/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --bg:#05070E;
  --space-1:#080D1C;
  --card:#0F1830;
  --card-2:#131E3A;
  --line:rgba(154,178,220,.18);
  --line-strong:rgba(154,178,220,.34);
  --text:#F2F6FF;
  --text-2:#A9B7D0;
  --text-3:#6E7D99;
  --primary:#6C7BFF;
  --cyan:#43D9E8;
  --gold:#FFC46B;
  --success:#4BE3A3;
  --danger:#FF6B8A;
  --r-s:12px;
  --r-m:18px;
  --r-l:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow:0 16px 60px rgba(0,0,0,.35);
  --shadow-soft:0 10px 30px rgba(0,0,0,.28);
  --container:1240px;
  --gutter:32px;
  --section-pad:112px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:112px;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 620px at 6% -6%, rgba(108,123,255,.24), transparent 62%),
    radial-gradient(760px 540px at 94% 2%, rgba(67,217,232,.15), transparent 64%),
    radial-gradient(880px 700px at 50% 112%, rgba(255,196,107,.07), transparent 66%),
    linear-gradient(180deg,#05070E 0%,#070B18 52%,#05070E 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(154,178,220,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(154,178,220,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 76%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 76%);
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
::selection{background:rgba(108,123,255,.4);color:#fff}

/* ===== 容器 ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.container--wide{max-width:1440px}

/* ===== 通用按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease,color .2s ease;
}
.btn--primary{
  background:linear-gradient(118deg,#6C7BFF 0%,#43D9E8 100%);
  color:#04101A;
  box-shadow:0 10px 30px rgba(108,123,255,.32);
}
.btn--primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 16px 40px rgba(108,123,255,.5)}
.btn--primary:active{transform:translateY(0);filter:brightness(.96)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn--ghost:hover{border-color:rgba(108,123,255,.72);background:rgba(108,123,255,.1);transform:translateY(-1px)}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px}
.btn--lg{min-height:52px;padding:0 30px;font-size:16px}
.btn--block{width:100%}
.btn svg{width:16px;height:16px;flex:0 0 auto}

/* ===== 浮动 Dock 导航 ===== */
.dock-wrap{
  position:fixed;top:18px;left:0;right:0;z-index:120;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock{
  pointer-events:auto;position:relative;
  width:min(1180px,100%);
  display:flex;align-items:center;gap:18px;
  padding:11px 20px;border-radius:22px;
  background:rgba(10,16,32,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:0 12px 40px rgba(0,0,0,.45);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.dock.is-scrolled{background:rgba(8,13,28,.93);border-color:rgba(154,178,220,.3);box-shadow:0 16px 46px rgba(0,0,0,.55)}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--text)}
.logo__mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 auto;position:relative;overflow:hidden;
  background:linear-gradient(142deg,#6C7BFF,#43D9E8);
  box-shadow:0 0 22px rgba(108,123,255,.45);
}
.logo__mark::before{content:"";position:absolute;inset:8px;border-radius:50%;border:1.4px solid rgba(255,255,255,.58)}
.logo__mark::after{content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:#fff;top:8px;right:9px;box-shadow:0 0 9px #fff}
.logo__main{display:block;font-size:18px;font-weight:800;line-height:1.16;letter-spacing:.01em}
.logo__sub{display:block;font-size:11px;font-weight:500;line-height:1.2;letter-spacing:.12em;color:var(--text-2)}
.dock__nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;margin:0;padding:0}
.dock__nav li{list-style:none}
.dock__nav a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);
  transition:color .18s ease,background .18s ease;
}
.dock__nav a:hover{color:var(--text);background:rgba(154,178,220,.09)}
.dock__nav a.is-active{color:#fff}
.dock__nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--primary));
}
.dock__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock__search{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(154,178,220,.08);border:1px solid var(--line);color:var(--text-2);
  transition:color .18s,border-color .18s,background .18s;
}
.dock__search:hover{color:#fff;border-color:rgba(108,123,255,.6);background:rgba(108,123,255,.14)}
.dock__search svg{width:16px;height:16px}
.dock__toggle{
  display:none;width:40px;height:40px;border-radius:50%;
  align-items:center;justify-content:center;
  background:rgba(154,178,220,.08);border:1px solid var(--line);color:var(--text);
}
.dock__toggle svg{width:18px;height:18px}

/* ===== 首屏 Hero ===== */
.hero{position:relative;padding:158px 0 104px;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero__bg::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.22;
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.58) 0%,rgba(5,7,14,.9) 62%,var(--bg) 100%);
}
.hero__inner{position:relative;z-index:2}
.hero__grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(15,24,48,.7);
  font-size:13px;color:var(--text-2);letter-spacing:.04em;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:inline-block}
.hero h1{
  margin:20px 0 20px;
  font-size:clamp(32px,4.15vw,58px);
  line-height:1.16;font-weight:800;letter-spacing:-.012em;
  background:linear-gradient(180deg,#FFFFFF 24%,#C7D3EE 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{font-size:17px;line-height:1.9;color:var(--text-2);max-width:560px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__note{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(15,24,48,.6);
}
.chip b{color:var(--cyan);font-weight:600}
.hero__visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);aspect-ratio:16/11;
  background:linear-gradient(160deg,#0F1830,#080D1C);
}
.hero__visual img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:.92}
.hero__visual::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,7,14,.06) 0%,rgba(5,7,14,.72) 100%);
  box-shadow:inset 0 0 0 1px rgba(154,178,220,.14);
  border-radius:inherit;
}
.hero__tags{position:absolute;z-index:3;left:18px;right:18px;bottom:18px;display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:12.5px;color:#E7EEFF;
  background:rgba(10,16,32,.74);border:1px solid rgba(154,178,220,.3);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--success);display:inline-block;box-shadow:0 0 8px var(--success)}

/* ===== 板块通用 ===== */
.section{padding:var(--section-pad) 0;position:relative}
.section--tight{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:48px;flex-wrap:wrap}
.section-head__label{
  display:inline-block;font-size:12.5px;letter-spacing:.18em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:12px;font-weight:600;
}
.section-head__title{font-size:clamp(24px,3vw,40px);line-height:1.28;font-weight:800;letter-spacing:-.01em}
.section-head__desc{margin-top:34px;font-size:15.5px;line-height:1.9;color:var(--text-2);max-width:660px}
.section-head__link{
  font-size:14.5px;color:var(--cyan);display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid rgba(67,217,232,.35);padding-bottom:2px;
  transition:color .18s,border-color .18s;
}
.section-head__link:hover{color:#7FEBF5;border-color:#7FEBF5}

/* ===== Bento 卖点 ===== */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.bento__item{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(19,30,58,.92) 0%,rgba(15,24,48,.92) 100%);
  border:1px solid var(--line);border-radius:var(--r-l);
  padding:28px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.bento__item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(154,178,220,.5),transparent);
}
.bento__item:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.55);box-shadow:0 18px 44px rgba(0,0,0,.42)}
.bento__item--glass{
  background:linear-gradient(180deg,rgba(108,123,255,.14) 0%,rgba(15,24,48,.82) 100%);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.bento__item--wide{grid-column:span 12;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.bento__icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(108,123,255,.28),rgba(67,217,232,.2));
  border:1px solid rgba(154,178,220,.26);color:#DCE6FF;margin-bottom:18px;
}
.bento__icon svg{width:20px;height:20px}
.bento__title{font-size:21px;font-weight:700;margin-bottom:10px;letter-spacing:-.005em}
.bento__desc{font-size:14.6px;line-height:1.85;color:var(--text-2)}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.span-12{grid-column:span 12}

/* ===== 在线演示 ===== */
.demo__grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.demo__tabs{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 24px}
.demo__tab{
  padding:9px 18px;border-radius:var(--r-pill);
  background:rgba(15,24,48,.8);border:1px solid var(--line);
  color:var(--text-2);font-size:14px;
  transition:all .2s ease;
}
.demo__tab:hover{color:var(--text);border-color:rgba(108,123,255,.5)}
.demo__tab.is-on{
  color:#fff;border-color:rgba(108,123,255,.85);
  background:rgba(108,123,255,.2);
  box-shadow:0 0 0 1px rgba(108,123,255,.22),0 8px 24px rgba(108,123,255,.22);
}
.demo__panel{display:none;animation:fadeUp .4s ease both}
.demo__panel.is-shown{display:block}
.demo__panel h3{font-size:20px;font-weight:700;margin-bottom:12px}
.demo__panel p{font-size:15px;color:var(--text-2);line-height:1.9}
.demo__list{margin-top:22px;display:grid;gap:12px}
.demo__list li{
  position:relative;padding-left:26px;font-size:14.6px;color:var(--text-2);line-height:1.8;
}
.demo__list li::before{
  content:"";position:absolute;left:6px;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:linear-gradient(140deg,var(--cyan),var(--primary));
  box-shadow:0 0 10px rgba(67,217,232,.7);
}
.demo__media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-strong);background:var(--card-2);
  box-shadow:var(--shadow);
}
.demo__media-bar{
  display:flex;align-items:center;gap:7px;padding:12px 16px;
  background:rgba(8,13,28,.9);border-bottom:1px solid var(--line);
}
.demo__media-bar span{width:9px;height:9px;border-radius:50%;background:rgba(154,178,220,.28)}
.demo__media-bar span:first-child{background:rgba(255,107,138,.7)}
.demo__media-bar span:nth-child(2){background:rgba(255,196,107,.7)}
.demo__media-bar span:nth-child(3){background:rgba(75,227,163,.7)}
.demo__media-bar em{margin-left:10px;font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.06em}
.demo__media img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.95}
.demo__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(5,7,14,.6) 100%);
}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ===== 证据区 ===== */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:32px}
.stat{
  padding:26px 24px;border-radius:var(--r-l);
  background:linear-gradient(180deg,rgba(19,30,58,.9),rgba(15,24,48,.9));
  border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease;
}
.stat:hover{border-color:rgba(108,123,255,.5);transform:translateY(-2px)}
.stat__value{font-size:32px;font-weight:800;line-height:1.25;letter-spacing:-.01em;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#DFE7FF,#43D9E8);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat__label{font-size:13.5px;color:var(--text-2);margin-top:8px;line-height:1.7}
.proof__grid{display:grid;grid-template-columns:1.35fr 1fr;gap:22px;align-items:stretch}
.quote{
  padding:30px;border-radius:var(--r-l);
  background:linear-gradient(180deg,rgba(19,30,58,.92),rgba(15,24,48,.92));
  border:1px solid var(--line);
}
.quote__text{
  position:relative;padding-left:20px;font-size:16px;line-height:1.9;color:#DCE5F7;
}
.quote__text::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--cyan),var(--primary));
}
.quote__meta{margin-top:16px;font-size:13px;color:var(--text-3);letter-spacing:.05em}
.compliance{
  padding:26px 28px;border-radius:var(--r-l);
  border:1px dashed rgba(154,178,220,.32);
  background:rgba(15,24,48,.5);
  font-size:14.4px;line-height:1.9;color:var(--text-2);
}
.compliance strong{display:block;color:var(--text);font-size:15.5px;margin-bottom:8px;font-weight:700}

/* ===== 价格 ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price-card{
  position:relative;display:flex;flex-direction:column;
  padding:32px 28px;border-radius:var(--r-xl);
  background:linear-gradient(180deg,rgba(19,30,58,.9),rgba(13,20,40,.94));
  border:1px solid var(--line);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.price-card:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.5);box-shadow:0 20px 48px rgba(0,0,0,.45)}
.price-card--best{
  border-color:rgba(108,123,255,.7);
  background:linear-gradient(180deg,rgba(108,123,255,.16),rgba(13,20,40,.94));
  box-shadow:0 0 0 1px rgba(108,123,255,.18),0 24px 60px rgba(76,88,220,.26);
  transform:translateY(-8px);
}
.price-card--best:hover{transform:translateY(-11px)}
.price-card__badge{
  position:absolute;top:-13px;left:28px;
  padding:4px 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.06em;
  background:linear-gradient(118deg,#6C7BFF,#43D9E8);color:#04101A;
}
.price-card__name{font-size:17px;font-weight:700;color:var(--text-2);letter-spacing:.02em}
.price-card__price{margin-top:14px;font-size:38px;font-weight:800;line-height:1.2;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.price-card__price small{font-size:15px;font-weight:600;color:var(--text-2);margin-left:6px}
.price-card__cycle{font-size:13px;color:var(--text-3);margin-top:6px}
.price-card__list{margin:24px 0 28px;display:grid;gap:12px;flex:1 1 auto}
.price-card__list li{
  position:relative;padding-left:24px;font-size:14.4px;line-height:1.75;color:var(--text-2);
}
.price-card__list li::before{
  content:"";position:absolute;left:4px;top:9px;width:8px;height:8px;
  border-radius:2px;transform:rotate(45deg);
  background:linear-gradient(140deg,var(--cyan),var(--primary));
}

/* ===== 最新信息 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-l);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,30,58,.9),rgba(15,24,48,.94));
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.55);box-shadow:0 18px 44px rgba(0,0,0,.42)}
.news-card__media{position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(150deg,#131E3A,#080D1C)}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;opacity:.94}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card__badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;color:#EAF1FF;
  background:rgba(8,13,28,.8);border:1px solid rgba(154,178,220,.3);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.news-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.news-card__meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-bottom:10px}
.news-card__meta em{font-style:normal;color:var(--cyan)}
.news-card__title{
  font-size:17px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-card__title{color:#C9D6FF}
.news-card__desc{
  margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  flex:1 1 auto;
}
.news-card__more{
  margin-top:16px;display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;color:var(--cyan);align-self:flex-end;
}
.news-card__more svg{width:14px;height:14px;transition:transform .2s ease}
.news-card:hover .news-card__more svg{transform:translateX(3px)}
.news-empty{
  grid-column:1/-1;
  padding:56px 28px;text-align:center;border-radius:var(--r-l);
  border:1px dashed rgba(154,178,220,.34);
  background:rgba(15,24,48,.42);
  color:var(--text-2);font-size:15px;
}
.news-empty span{display:block;font-size:26px;color:var(--cyan);margin-bottom:10px}

/* ===== FAQ ===== */
.faq__grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:44px;align-items:start}
.faq__aside{padding:30px;border-radius:var(--r-xl);border:1px solid var(--line);background:rgba(15,24,48,.62)}
.faq__aside h2{font-size:clamp(22px,2.4vw,30px);line-height:1.4;font-weight:800;margin-bottom:14px}
.faq__aside p{font-size:14.6px;line-height:1.9;color:var(--text-2)}
.faq__aside .btn{margin-top:22px}
.acc{display:grid;gap:12px}
.acc__item{
  border-radius:var(--r-m);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,30,58,.85),rgba(15,24,48,.9));
  overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.acc__item:hover{border-color:rgba(108,123,255,.45)}
.acc__item.is-open{border-color:rgba(108,123,255,.65);background:linear-gradient(180deg,rgba(108,123,255,.14),rgba(15,24,48,.92))}
.acc__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:transparent;border:0;color:var(--text);
  font-size:16.5px;font-weight:600;line-height:1.6;text-align:left;
}
.acc__icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(154,178,220,.36);color:var(--cyan);
  font-size:15px;line-height:1;transition:transform .28s ease,border-color .2s ease;
}
.acc__item.is-open .acc__icon{transform:rotate(45deg);border-color:var(--cyan)}
.acc__a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s ease}
.acc__item.is-open .acc__a{grid-template-rows:1fr}
.acc__a > div{overflow:hidden}
.acc__a p{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--text-2)}

/* ===== 最终 CTA ===== */
.final-cta{position:relative;overflow:hidden;padding:0 0 var(--section-pad)}
.final-cta__box{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);border:1px solid var(--line-strong);
  padding:72px 56px;text-align:center;
  background:linear-gradient(160deg,rgba(19,30,58,.96),rgba(8,13,28,.98));
  box-shadow:var(--shadow);
}
.final-cta__box::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.16;
}
.final-cta__box::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(620px 340px at 50% 0%,rgba(108,123,255,.28),transparent 68%),
             linear-gradient(180deg,rgba(5,7,14,.1),rgba(5,7,14,.6));
}
.final-cta__inner{position:relative;z-index:2}
.final-cta__inner h2{font-size:clamp(24px,3vw,38px);line-height:1.35;font-weight:800;margin-bottom:16px}
.final-cta__inner p{font-size:16px;color:var(--text-2);max-width:620px;margin:0 auto;line-height:1.9}
.final-cta__btns{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ===== 页脚 ===== */
.footer{
  position:relative;padding:72px 0 0;
  border-top:1px solid rgba(154,178,220,.16);
  background:linear-gradient(180deg,rgba(5,7,14,.4),rgba(3,5,10,.95));
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.foot-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:var(--text-3);max-width:320px}
.foot-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--text-3);text-transform:uppercase;margin-bottom:16px}
.foot-list{display:grid;gap:11px}
.foot-list a,.foot-list span{font-size:14.2px;color:var(--text-2);transition:color .18s ease}
.foot-list a:hover{color:var(--cyan)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(154,178,220,.14);
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3)}
.foot-bottom a:hover{color:var(--cyan)}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:24px;bottom:26px;z-index:110;
  display:inline-flex;align-items:center;gap:9px;
  padding:0 24px;min-height:52px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;color:#04101A;
  background:linear-gradient(118deg,#6C7BFF,#43D9E8);
  box-shadow:0 12px 34px rgba(108,123,255,.42),0 0 0 1px rgba(255,255,255,.08) inset;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,box-shadow .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none}
.float-cta:hover{box-shadow:0 18px 44px rgba(108,123,255,.6)}
.float-cta svg{width:17px;height:17px}

/* ===== 搜索面板 ===== */
.search-modal{
  position:fixed;inset:0;z-index:200;display:none;
  background:rgba(3,5,10,.78);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  padding:96px 20px 40px;
}
.search-modal.is-open{display:block}
.search-box{
  width:min(680px,100%);margin:0 auto;
  border-radius:var(--r-xl);border:1px solid var(--line-strong);
  background:linear-gradient(180deg,rgba(19,30,58,.98),rgba(8,13,28,.98));
  box-shadow:var(--shadow);padding:30px;
  animation:fadeUp .3s ease both;
}
.search-box h3{font-size:20px;font-weight:700;margin-bottom:6px}
.search-box p{font-size:13.6px;color:var(--text-3);margin-bottom:20px}
.search-field{display:flex;gap:10px;flex-wrap:wrap}
.search-field input{
  flex:1 1 240px;min-height:48px;padding:0 16px;border-radius:var(--r-s);
  background:rgba(5,7,14,.85);border:1px solid var(--line);color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-field input::placeholder{color:var(--text-3)}
.search-field input:focus{outline:none;border-color:rgba(108,123,255,.9);box-shadow:0 0 0 3px rgba(108,123,255,.2)}
.search-hot{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.search-hot a{
  padding:6px 13px;border-radius:var(--r-pill);font-size:12.8px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(15,24,48,.7);
  transition:all .18s ease;
}
.search-hot a:hover{color:#fff;border-color:rgba(108,123,255,.6);background:rgba(108,123,255,.16)}
.search-close{
  float:right;width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(154,178,220,.1);border:1px solid var(--line);color:var(--text-2);
}
.search-close:hover{color:#fff;border-color:rgba(108,123,255,.6)}

/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}
.reveal.is-in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1180px){
  :root{--gutter:24px}
  .dock__nav a{padding:8px 9px;font-size:13.4px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  :root{--section-pad:80px}
  .hero{padding:132px 0 80px}
  .hero__grid{grid-template-columns:1fr;gap:44px}
  .hero__lead{max-width:100%}
  .bento{grid-template-columns:repeat(6,1fr)}
  .span-7,.span-5{grid-column:span 6}
  .bento__item--wide{grid-column:span 6;display:block}
  .demo__grid{grid-template-columns:1fr;gap:32px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .proof__grid{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr;gap:20px}
  .price-card--best{transform:none}
  .price-card--best:hover{transform:translateY(-3px)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq__grid{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .final-cta__box{padding:56px 32px}
  /* 移动导航 */
  .dock__nav{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;border-radius:20px;
    background:rgba(8,13,28,.97);border:1px solid var(--line-strong);
    box-shadow:0 22px 50px rgba(0,0,0,.6);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  }
  .dock.is-open .dock__nav{display:flex}
  .dock__nav a{padding:12px 14px;font-size:15px;border-radius:12px}
  .dock__nav a.is-active{background:rgba(108,123,255,.16)}
  .dock__nav a.is-active::after{left:14px;right:auto;width:22px;bottom:8px}
  .dock__toggle{display:inline-flex}
  .dock__actions{gap:8px}
  .dock__actions .btn--sm{padding:0 15px;min-height:38px;font-size:13.4px}
}
@media (max-width:768px){
  .section-head{margin-bottom:34px}
  .news-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr;gap:14px}
  .stat__value{font-size:27px}
  .dock{padding:10px 14px;gap:10px}
  .logo__main{font-size:16.5px}
  .logo__sub{font-size:10px}
  .hero__cta .btn{width:100%}
  .hero__cta{flex-direction:column;align-items:stretch}
  .final-cta__box{padding:44px 22px}
}
@media (max-width:639px){
  :root{--gutter:20px;--section-pad:56px}
  .hero{padding:118px 0 60px}
  .hero__visual{aspect-ratio:4/3}
  .bento{grid-template-columns:1fr;gap:16px}
  .span-7,.span-5,.span-12{grid-column:span 1}
  .bento__item{padding:24px}
  .stat-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .dock__search{display:none}
  .float-cta{
    right:0;left:0;bottom:0;justify-content:center;
    border-radius:0;min-height:56px;
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -8px 26px rgba(0,0,0,.5);
  }
  body{padding-bottom:64px}
  .search-modal{padding:80px 16px 30px}
  .search-box{padding:22px}
  .acc__q{font-size:15.4px;padding:16px 18px}
  .acc__a p{padding:0 18px 18px}
  .demo__media img{aspect-ratio:4/3}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --bg:#05070E;
  --bg-deep:#080D1C;
  --card:#0F1830;
  --card-2:#131E3A;
  --line:rgba(154,178,220,.18);
  --line-strong:rgba(154,178,220,.34);
  --text:#F2F6FF;
  --text-2:#A9B7D0;
  --text-3:#6E7D99;
  --primary:#6C7BFF;
  --cyan:#43D9E8;
  --gold:#FFC46B;
  --ok:#4BE3A3;
  --danger:#FF6B8A;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:28px;
  --shadow:0 16px 60px rgba(0,0,0,.35);
  --shadow-glow:0 12px 40px rgba(108,123,255,.28);
  --container:1240px;
  --gutter:32px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 8% -6%,rgba(108,123,255,.20),transparent 62%),
    radial-gradient(760px 460px at 96% 4%,rgba(67,217,232,.14),transparent 60%),
    radial-gradient(1px 1px at 22% 18%,rgba(242,246,255,.55),transparent 100%),
    radial-gradient(1px 1px at 68% 8%,rgba(242,246,255,.4),transparent 100%),
    radial-gradient(1px 1px at 84% 32%,rgba(242,246,255,.35),transparent 100%);
  background-attachment:fixed,fixed,scroll,scroll,scroll;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--cyan);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:#7ee9f3}
button{font-family:inherit}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:1.1em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:18px;left:0;right:0;z-index:80;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;
  width:min(1180px,calc(100% - 0px));
  margin:0 auto;
  min-height:70px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 20px;
  border-radius:22px;
  border:1px solid var(--line);
  background:rgba(8,13,28,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 18px 50px rgba(0,0,0,.42);
  transition:border-color .2s ease,background-color .2s ease;
}
.dock.is-scrolled{border-color:var(--line-strong);background:rgba(8,13,28,.9)}
.logo{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto}
.logo:hover{color:var(--text)}
.logo__mark{
  width:34px;height:34px;border-radius:12px;flex:0 0 auto;
  background:radial-gradient(circle at 30% 26%,rgba(255,255,255,.92) 0 2px,transparent 3px),
             radial-gradient(circle at 72% 68%,rgba(255,255,255,.7) 0 1.6px,transparent 3px),
             linear-gradient(140deg,var(--primary),var(--cyan));
  box-shadow:0 0 0 1px rgba(255,255,255,.14) inset,0 8px 22px rgba(108,123,255,.4);
  position:relative;
}
.logo__mark::after{
  content:"";position:absolute;inset:7px;border-radius:50%;
  border:1px solid rgba(255,255,255,.55);border-top-color:transparent;transform:rotate(-24deg);
}
.logo__text{display:flex;flex-direction:column;line-height:1.18}
.logo__main{font-size:18px;font-weight:800;letter-spacing:.02em}
.logo__sub{font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--text-2)}
.dock__nav{display:flex;align-items:center;gap:4px;list-style:none;margin:0 auto;padding:0}
.dock__nav li{margin:0}
.dock__nav a{
  position:relative;display:inline-block;padding:9px 13px;border-radius:12px;
  font-size:14px;color:var(--text-2);white-space:nowrap;transition:color .18s ease,background-color .18s ease;
}
.dock__nav a:hover{color:var(--text);background:rgba(108,123,255,.12)}
.dock__nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--primary));
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.dock__nav a:hover::after,.dock__nav a.is-active::after{transform:scaleX(1)}
.dock__nav a.is-active{color:var(--text)}
.dock__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock__search{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:rgba(19,30,58,.7);color:var(--text-2);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .18s ease;
}
.dock__search svg{width:18px;height:18px}
.dock__search:hover{color:var(--text);border-color:var(--line-strong);background:rgba(108,123,255,.16)}
.dock__toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:rgba(19,30,58,.7);color:var(--text);align-items:center;justify-content:center;cursor:pointer;
}
.dock__toggle svg{width:20px;height:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform .16s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn--primary{
  color:#fff;
  background:linear-gradient(112deg,var(--primary),#5c8bff 46%,var(--cyan));
  box-shadow:0 10px 28px rgba(108,123,255,.32);
}
.btn--primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 16px 38px rgba(108,123,255,.46)}
.btn--primary:active{transform:translateY(0);box-shadow:0 8px 20px rgba(108,123,255,.32)}
.btn--ghost{color:var(--text);background:transparent;border-color:var(--line-strong)}
.btn--ghost:hover{color:var(--text);border-color:var(--primary);background:rgba(108,123,255,.12)}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px}
.btn:focus-visible,.dock__search:focus-visible,.dock__toggle:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--gold);outline-offset:3px;
}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;padding:150px 0 8px;overflow:hidden}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.16;filter:saturate(110%);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.72),rgba(5,7,14,.96) 78%,var(--bg));
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb span[aria-hidden]{color:var(--text-3)}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
  color:var(--cyan);border:1px solid rgba(67,217,232,.34);background:rgba(67,217,232,.1);
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.article-title{
  margin:20px 0 0;font-size:clamp(30px,4.2vw,52px);line-height:1.22;font-weight:800;
  letter-spacing:-.01em;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;
  font-size:13.5px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3)}
.article-cover{
  margin-top:38px;border-radius:var(--r-lg);overflow:hidden;position:relative;
  border:1px solid var(--line);box-shadow:var(--shadow);background:var(--card);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.article-cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,7,14,0) 55%,rgba(5,7,14,.55));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);
}

/* ---------- 正文布局 ---------- */
.article-section{padding:64px 0 96px}
.article-layout{margin:0 -16px}
.article-main{padding:0 16px}
.article-side{padding:0 16px}
.article-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:38px 40px;
  box-shadow:var(--shadow);
  background-image:linear-gradient(180deg,rgba(108,123,255,.07),transparent 34%);
}
.prose{font-size:17px;line-height:1.95;color:var(--text-2);max-width:760px}
.prose>*+*{margin-top:1em}
.prose h2{
  position:relative;margin:44px 0 14px;padding-left:16px;
  font-size:clamp(22px,2.4vw,29px);line-height:1.35;font-weight:700;color:var(--text);
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.24em;width:4px;height:1em;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--primary));
}
.prose h3{
  margin:32px 0 10px;font-size:clamp(18px,1.9vw,22px);line-height:1.45;font-weight:700;color:var(--text);
}
.prose h4{margin:24px 0 8px;font-size:17px;font-weight:700;color:var(--text)}
.prose p{margin:0 0 1em}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(67,217,232,.4);padding-bottom:1px}
.prose a:hover{color:#8ff0f8;border-bottom-color:#8ff0f8}
.prose strong{color:var(--text);font-weight:700}
.prose em{color:var(--text-2)}
.prose ul,.prose ol{margin:0 0 1em;padding-left:1.35em}
.prose li{margin:.4em 0}
.prose ul li::marker{color:var(--cyan)}
.prose ol li::marker{color:var(--primary);font-weight:700}
.prose blockquote{
  margin:26px 0;padding:18px 22px;border-radius:var(--r-md);
  border:1px solid var(--line);border-left:2px solid var(--cyan);
  background:rgba(19,30,58,.72);color:var(--text-2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-md);border:1px solid var(--line);margin:22px 0;width:100%}
.prose figure{margin:24px 0}
.prose figcaption{font-size:13.5px;color:var(--text-3);margin-top:10px;text-align:center}
.prose hr{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:34px 0}
.prose table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.prose thead th{
  background:rgba(108,123,255,.16);color:var(--text);font-weight:700;
  text-align:left;padding:13px 16px;border-bottom:1px solid var(--line-strong);
}
.prose tbody td{padding:12px 16px;border-bottom:1px solid rgba(154,178,220,.1);color:var(--text-2)}
.prose tbody tr:nth-child(even){background:rgba(19,30,58,.5)}
.prose tbody tr:last-child td{border-bottom:0}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;
  background:rgba(108,123,255,.16);color:#cfd6ff;padding:2px 6px;border-radius:6px;
}
.prose pre{
  background:var(--bg-deep);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;overflow:auto;font-size:14px;line-height:1.7;
}
.prose pre code{background:none;padding:0;color:var(--text-2)}
.prose-note{
  margin:26px 0;padding:18px 22px;border-radius:var(--r-md);
  border:1px dashed var(--line-strong);background:rgba(255,196,107,.06);color:var(--text-2);font-size:15.5px;
}

/* ---------- 侧栏 ---------- */
.side-inner{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 22px;box-shadow:0 14px 40px rgba(0,0,0,.28);
}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--text);
  letter-spacing:.04em;margin-bottom:14px;
}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--cyan),var(--primary))}
.toc{list-style:none;margin:0;padding:0;font-size:14px}
.toc li{margin:0}
.toc a{
  display:block;padding:8px 10px;border-radius:10px;color:var(--text-2);
  border-left:1px solid transparent;transition:all .16s ease;
}
.toc a:hover{color:var(--text);background:rgba(108,123,255,.14)}
.toc a.is-current{color:var(--cyan);border-left-color:var(--cyan);background:rgba(67,217,232,.1)}
.toc .toc-empty{color:var(--text-3);font-size:13.5px;padding:6px 10px}
.side-cta{
  background:linear-gradient(160deg,rgba(108,123,255,.22),rgba(19,30,58,.94) 58%);
  border:1px solid rgba(108,123,255,.4);
}
.side-cta h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:16px;line-height:1.75}
.side-cta .btn{width:100%}
.side-list{list-style:none;margin:0;padding:0;font-size:14px}
.side-list li+li{margin-top:6px}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 10px;border-radius:10px;color:var(--text-2)}
.side-list a:hover{color:var(--text);background:rgba(108,123,255,.14)}
.side-list a span:last-child{color:var(--text-3);font-size:12px}

/* ---------- 文末操作 ---------- */
.article-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.article-foot .spacer{flex:1 1 auto}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-md);
  padding:56px 28px;text-align:center;background:rgba(19,30,58,.4);
}
.empty-state .star{font-size:26px;color:var(--gold);letter-spacing:.3em}
.empty-state h2{font-size:22px;color:var(--text);margin:14px 0 8px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:20px}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 96px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.sec-label{font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--cyan);text-transform:uppercase;margin-bottom:10px}
.sec-title{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.3;color:var(--text)}
.sec-sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:600px}
.sec-more{font-size:14px;color:var(--cyan);border-bottom:1px solid rgba(67,217,232,.4);padding-bottom:2px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.6);box-shadow:0 18px 46px rgba(0,0,0,.42)}
.post-card__media{position:relative;overflow:hidden;background:linear-gradient(140deg,#101a33,#0a1020)}
.post-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-card__media img{transform:scale(1.03)}
.post-card__badge{
  position:absolute;left:12px;top:12px;padding:4px 11px;border-radius:999px;
  font-size:11.5px;font-weight:600;color:#0a1020;background:linear-gradient(120deg,var(--cyan),#8ef0f8);
}
.post-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3)}
.post-card__title{font-size:17px;font-weight:700;line-height:1.5;color:var(--text)}
.post-card__desc{font-size:14px;color:var(--text-2);line-height:1.75;flex:1}
.post-card__link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--cyan);font-weight:600}

/* ---------- 最终 CTA ---------- */
.cta-band{padding:0 0 100px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid rgba(108,123,255,.36);
  background:linear-gradient(150deg,rgba(108,123,255,.24),rgba(8,13,28,.96) 62%);
  padding:56px 48px;box-shadow:var(--shadow);
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.14;
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 240px at 82% 12%,rgba(67,217,232,.22),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.32;color:var(--text)}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(112deg,var(--primary),var(--cyan));
  box-shadow:0 14px 36px rgba(108,123,255,.4);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .24s ease,transform .24s ease,box-shadow .2s ease;
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{color:#fff;box-shadow:0 18px 44px rgba(108,123,255,.56)}

/* ---------- 搜索面板 ---------- */
.search-modal{
  position:fixed;inset:0;z-index:120;display:none;
  background:rgba(4,6,12,.78);backdrop-filter:blur(6px);
  padding:96px 20px 40px;
}
.search-modal.is-open{display:block}
.search-box{
  max-width:620px;margin:0 auto;background:var(--card);border:1px solid var(--line-strong);
  border-radius:var(--r-lg);padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.search-box h2{font-size:20px;font-weight:800;color:var(--text);margin-bottom:6px}
.search-box p{font-size:14px;color:var(--text-2);margin-bottom:18px}
.search-field{display:flex;gap:10px}
.search-field input{
  flex:1;min-height:46px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(8,13,28,.9);color:var(--text);font-size:15px;
}
.search-field input::placeholder{color:var(--text-3)}
.search-field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(108,123,255,.26)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;
  font-size:13px;color:var(--text-2);border:1px solid var(--line);background:rgba(19,30,58,.7);
  transition:all .18s ease;cursor:pointer;
}
.tag:hover{color:var(--text);border-color:var(--primary);background:rgba(108,123,255,.16)}
.search-close{
  display:block;margin:20px auto 0;background:none;border:0;color:var(--text-3);
  font-size:13.5px;cursor:pointer;padding:8px 12px;border-radius:10px;
}
.search-close:hover{color:var(--text)}

/* ---------- 页脚 ---------- */
.footer{
  background:var(--bg-deep);border-top:1px solid var(--line);
  padding:64px 0 26px;position:relative;
}
.footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(108,123,255,.65),rgba(67,217,232,.5),transparent);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:330px}
.foot-title{font-size:13.5px;font-weight:700;color:var(--text);letter-spacing:.06em;margin-bottom:16px}
.foot-list{list-style:none;margin:0;padding:0;font-size:14px}
.foot-list li+li{margin-top:10px}
.foot-list a,.foot-list span{color:var(--text-2)}
.foot-list a:hover{color:var(--cyan)}
.foot-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(154,178,220,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--gutter:24px}
  .dock__nav{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 12px);
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;border-radius:20px;border:1px solid var(--line);
    background:rgba(8,13,28,.97);box-shadow:0 22px 60px rgba(0,0,0,.55);
  }
  .dock__nav.is-open{display:flex}
  .dock__nav a{padding:12px 14px;font-size:15px}
  .dock__nav a::after{display:none}
  .dock__nav a.is-active{background:rgba(108,123,255,.18);color:var(--text)}
  .dock__toggle{display:flex}
  .dock__search{display:none}
  .article-hero{padding-top:132px}
  .article-panel{padding:28px 24px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .side-inner{position:static}
  .cta-card{padding:40px 30px}
}
@media (max-width:767px){
  .dock{min-height:62px;padding:8px 14px;border-radius:18px;gap:10px}
  .logo__main{font-size:16px}
  .logo__sub{font-size:10px}
  .logo__mark{width:30px;height:30px;border-radius:10px}
  .article-hero{padding-top:118px}
  .article-title{margin-top:16px}
  .article-cover{margin-top:26px;border-radius:20px}
  .article-section{padding:44px 0 64px}
  .article-layout{margin:0 -12px}
  .article-main,.article-side{padding:0 12px}
  .article-panel{padding:24px 18px;border-radius:20px}
  .prose{font-size:16px;line-height:1.9}
  .prose h2{margin-top:34px}
  .cta-card{padding:32px 22px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .float-cta{
    right:16px;left:16px;bottom:calc(14px + env(safe-area-inset-bottom));
    justify-content:center;min-height:52px;
  }
  .related{padding-bottom:72px}
  .foot-bottom{flex-direction:column}
}
@media (max-width:639px){
  :root{--gutter:20px}
  .related-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start}
  .article-meta{gap:8px 16px}
  .search-box{padding:22px 18px;border-radius:20px}
  .search-field{flex-direction:column}
  .search-field .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg:#05070E;
  --deep:#080D1C;
  --card:#0F1830;
  --card-2:#131E3A;
  --line:rgba(154,178,220,.18);
  --line-strong:rgba(154,178,220,.34);
  --text:#F2F6FF;
  --muted:#A9B7D0;
  --weak:#6E7D99;
  --primary:#6C7BFF;
  --cyan:#43D9E8;
  --gold:#FFC46B;
  --ok:#4BE3A3;
  --danger:#FF6B8A;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:28px;
  --r-pill:999px;
  --shadow:0 16px 60px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(108,123,255,.35), 0 14px 40px rgba(108,123,255,.24);
  --container:1240px;
  --gutter:32px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 620px at 10% -12%,rgba(108,123,255,.20),transparent 62%),
    radial-gradient(760px 540px at 92% -4%,rgba(67,217,232,.13),transparent 64%),
    radial-gradient(820px 560px at 50% 112%,rgba(108,123,255,.12),transparent 66%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.34;
  background-image:
    radial-gradient(1.4px 1.4px at 24px 36px,rgba(255,255,255,.5),transparent 55%),
    radial-gradient(1.4px 1.4px at 122px 92px,rgba(160,190,255,.45),transparent 55%),
    radial-gradient(1px 1px at 68px 152px,rgba(255,255,255,.38),transparent 55%);
  background-size:186px 186px;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text);text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
::selection{background:rgba(108,123,255,.4);color:#fff}

/* ============ 容器 ============ */
.container{
  width:100%;max-width:var(--container);
  margin:0 auto;padding:0 var(--gutter);
  position:relative;z-index:1;
}
.page{position:relative;z-index:1}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(100deg,var(--primary) 0%,#5B8CFF 48%,var(--cyan) 100%);
  color:#06101F;font-weight:700;
  box-shadow:0 10px 30px rgba(108,123,255,.30);
}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 14px 38px rgba(108,123,255,.46);filter:brightness(1.07);color:#06101F}
.btn--primary:active{transform:translateY(0);filter:brightness(.98)}
.btn--ghost{
  background:transparent;border-color:var(--line-strong);color:var(--text);
}
.btn--ghost:hover{border-color:rgba(67,217,232,.7);color:#fff;box-shadow:0 0 0 1px rgba(67,217,232,.2),0 10px 26px rgba(67,217,232,.14)}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}

/* ============ 徽章 / 小标签 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:16px;
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 12px var(--cyan);
}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(108,123,255,.14);border:1px solid rgba(108,123,255,.36);color:#C7CEFF;
}
.badge--live{background:rgba(75,227,163,.12);border-color:rgba(75,227,163,.4);color:#9DF3CE}
.badge--live i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);display:inline-block}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:18px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock{
  pointer-events:auto;position:relative;
  width:min(1180px,100%);
  display:flex;align-items:center;gap:20px;
  padding:10px 18px;border-radius:22px;
  background:rgba(9,14,28,.74);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 14px 44px rgba(0,0,0,.42);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.dock.is-scrolled{
  background:rgba(7,11,23,.9);
  border-color:rgba(154,178,220,.30);
  box-shadow:0 18px 50px rgba(0,0,0,.55),0 0 0 1px rgba(108,123,255,.12);
}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo__mark{
  width:30px;height:30px;border-radius:50%;position:relative;flex:none;
  background:radial-gradient(circle at 32% 28%,#FFFFFF 0%,var(--cyan) 34%,var(--primary) 72%,rgba(108,123,255,0) 74%);
  box-shadow:0 0 18px rgba(108,123,255,.55);
}
.logo__mark::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:1px solid rgba(67,217,232,.32);
}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--text)}
.logo__sub{font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--cyan)}
.dock__nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock__nav li{list-style:none}
.dock__nav a{
  position:relative;display:inline-block;
  padding:9px 13px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--muted);
  transition:color .18s ease,background .18s ease;
}
.dock__nav a:hover{color:var(--text);background:rgba(154,178,220,.08)}
.dock__nav a.is-active{color:var(--text);font-weight:600}
.dock__nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--primary));
}
.dock__actions{display:flex;align-items:center;gap:10px;flex:none}
.dock__search,.dock__toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;flex:none;border-radius:50%;
  background:rgba(154,178,220,.08);border:1px solid var(--line);color:var(--muted);
  cursor:pointer;transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.dock__search svg,.dock__toggle svg{width:18px;height:18px}
.dock__search:hover,.dock__toggle:hover{color:var(--cyan);border-color:rgba(67,217,232,.55);background:rgba(67,217,232,.10)}
.dock__toggle{display:none}

/* ============ 主体 ============ */
main{padding-top:112px}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--weak);margin-bottom:20px;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.crumb span{color:var(--weak)}

/* ============ Hero ============ */
.hero{position:relative;padding:12px 0 0}
.hero__grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:56px;align-items:start;
}
.hero__copy{padding-top:8px}
.hero h1{
  font-size:clamp(32px,3.6vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--cyan),var(--primary));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{
  font-size:16.5px;line-height:1.9;color:var(--muted);max-width:600px;margin-bottom:24px;
}
.hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(15,24,48,.85);border:1px solid var(--line);
  font-size:13px;color:var(--muted);transition:border-color .18s ease,color .18s ease;
}
.tag:hover{border-color:rgba(67,217,232,.5);color:var(--text)}
.tag::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary)}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:22px;padding-top:20px;border-top:1px solid var(--line);
}
.hero__meta div{font-size:13px;color:var(--weak)}
.hero__meta strong{display:block;font-size:15px;color:var(--muted);font-weight:600;margin-top:2px}

/* ============ 登录面板 ============ */
.login-card{
  position:relative;
  background:linear-gradient(180deg,rgba(19,30,58,.94),rgba(12,19,38,.97));
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
}
.login-card::before{
  content:"";position:absolute;top:-90px;right:-70px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,123,255,.35),transparent 68%);
  pointer-events:none;
}
.login-card__head{position:relative;margin-bottom:22px}
.login-card__head h2{font-size:22px;font-weight:700;margin:12px 0 6px}
.login-card__head p{font-size:13.5px;color:var(--weak);line-height:1.7}
.login-form{position:relative}
.field{margin-bottom:16px}
.field label{
  display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:8px;
}
.field input{
  width:100%;height:48px;padding:0 14px;
  border-radius:var(--r-sm);background:#0A1122;
  border:1px solid var(--line);color:var(--text);font-size:15px;
  font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field input::placeholder{color:#5A6884}
.field input:hover{border-color:rgba(154,178,220,.32)}
.field input:focus{
  outline:none;border-color:var(--primary);background:#0C1428;
  box-shadow:0 0 0 3px rgba(108,123,255,.18);
}
.field__row{display:flex;gap:10px;align-items:stretch}
.field__row input{flex:1;min-width:0}
.captcha-btn{
  flex:none;height:48px;padding:0 15px;border-radius:var(--r-sm);
  background:#0A1122;border:1px dashed var(--line-strong);color:var(--muted);
  font-size:13px;font-family:inherit;cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.captcha-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.field__err{display:none;margin:6px 0 0;font-size:12.5px;color:var(--danger)}
.field.is-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,107,138,.14)}
.field.is-error .field__err{display:block}
.login-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin:4px 0 20px;font-size:13px;color:var(--muted);
}
.login-row label{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:var(--muted)}
.login-row input[type="checkbox"]{
  appearance:none;-webkit-appearance:none;width:16px;height:16px;flex:none;
  border-radius:5px;border:1px solid var(--line-strong);background:#0A1122;cursor:pointer;
  transition:border-color .18s ease,background .18s ease;position:relative;
}
.login-row input[type="checkbox"]:checked{background:var(--primary);border-color:var(--primary)}
.login-row input[type="checkbox"]:checked::after{
  content:"";position:absolute;left:4.5px;top:1.5px;width:5px;height:9px;
  border:2px solid #06101F;border-top:0;border-left:0;transform:rotate(42deg);
}
.login-row a{color:var(--cyan);font-size:13px}
.login-row a:hover{text-decoration:underline;text-underline-offset:3px}
.form-note{
  display:none;margin-top:14px;padding:12px 14px;border-radius:12px;
  font-size:13.5px;line-height:1.7;
}
.form-note.is-show{display:block}
.form-note--err{background:rgba(255,107,138,.1);border:1px solid rgba(255,107,138,.35);color:#FFB7C6}
.form-note--ok{background:rgba(75,227,163,.1);border:1px solid rgba(75,227,163,.35);color:#9DF3CE}
.login-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--weak);line-height:1.8;
}

/* ============ 板块通用 ============ */
.section{padding:96px 0 0}
.section__head{max-width:760px;margin-bottom:40px}
.section__head h2{
  font-size:clamp(26px,2.8vw,38px);font-weight:800;line-height:1.3;letter-spacing:-.01em;
  margin-bottom:14px;
}
.section__head p{font-size:16px;color:var(--muted);line-height:1.9}

/* ============ 步骤时间线 ============ */
.timeline{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.step{
  position:relative;padding:26px 26px 26px 84px;
  border-radius:var(--r-md);
  background:linear-gradient(180deg,var(--card),var(--card-2));
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.55);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.step__num{
  position:absolute;left:24px;top:26px;
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#06101F;
  background:linear-gradient(135deg,var(--cyan),var(--primary));
  box-shadow:0 8px 22px rgba(67,217,232,.28);
}
.step h3{font-size:19px;font-weight:700;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ 检查清单 ============ */
.check-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:44px;align-items:start;
}
.check-panel{
  border-radius:var(--r-lg);overflow:hidden;position:relative;
  border:1px solid var(--line);background:var(--deep);
  box-shadow:var(--shadow);
}
.check-panel img{width:100%;height:100%;min-height:280px;object-fit:cover;object-position:center;opacity:.9}
.check-panel__caption{
  position:absolute;left:0;right:0;bottom:0;padding:36px 24px 22px;
  background:linear-gradient(180deg,transparent,rgba(5,7,14,.94));
}
.check-panel__caption span{font-size:12.5px;letter-spacing:.12em;color:var(--cyan);font-weight:600}
.check-panel__caption h3{font-size:20px;font-weight:700;margin-top:6px}
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.check{
  display:flex;gap:12px;padding:16px 18px;border-radius:14px;
  background:rgba(15,24,48,.8);border:1px solid var(--line);
  font-size:14px;line-height:1.75;color:var(--muted);
  transition:border-color .2s ease,transform .2s ease;
}
.check:hover{border-color:rgba(67,217,232,.5);transform:translateY(-2px)}
.check i{
  flex:none;width:20px;height:20px;border-radius:50%;margin-top:3px;
  display:grid;place-items:center;
  background:rgba(75,227,163,.14);border:1px solid rgba(75,227,163,.4);
  color:var(--ok);font-style:normal;font-size:11px;font-weight:800;
}
.check b{color:var(--text);font-weight:600}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  margin-top:20px;padding:20px 24px;border-radius:var(--r-md);
  background:linear-gradient(100deg,rgba(255,196,107,.10),rgba(255,196,107,.02));
  border:1px solid rgba(255,196,107,.32);
}
.notice__ico{
  flex:none;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,196,107,.16);color:var(--gold);font-weight:800;font-size:15px;
}
.notice h4{font-size:15.5px;font-weight:700;margin-bottom:4px;color:#FFDCAA}
.notice p{font-size:14px;color:var(--muted);line-height:1.85}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border-radius:var(--r-md);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(15,24,48,.9),rgba(12,19,38,.9));
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(108,123,255,.48)}
.faq-item.is-open{border-color:rgba(108,123,255,.6);box-shadow:0 14px 38px rgba(0,0,0,.32)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text);font-family:inherit;line-height:1.6;
  transition:color .18s ease;
}
.faq-q:hover{color:#fff}
.faq-icon{
  flex:none;position:relative;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line-strong);
  transition:transform .28s ease,border-color .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--muted);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:9px;height:1.6px}
.faq-icon::after{width:1.6px;height:9px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:rgba(67,217,232,.65);background:rgba(67,217,232,.12)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--cyan)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{
  padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--muted);
}

/* ============ 相关分类 ============ */
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--card);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.related-card:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.6);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.related-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--deep)}
.related-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-card__media img{transform:scale(1.03)}
.related-card__body{padding:18px 20px 22px}
.related-card__body h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.related-card__body p{font-size:13.5px;color:var(--weak);line-height:1.75;margin-bottom:12px}
.related-card__link{font-size:13px;font-weight:600;color:var(--cyan);display:inline-flex;align-items:center;gap:6px}
.related-card:hover .related-card__link{text-decoration:underline;text-underline-offset:4px}

/* ============ 结束 CTA ============ */
.final-cta{
  position:relative;margin-top:96px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  background:
    linear-gradient(120deg,rgba(8,13,28,.94),rgba(12,19,38,.9)),
    url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  box-shadow:var(--shadow);
}
.final-cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 320px at 82% 12%,rgba(108,123,255,.28),transparent 66%);
}
.final-cta__inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:52px 48px;flex-wrap:wrap;
}
.final-cta h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.32;margin-bottom:12px}
.final-cta p{font-size:15px;color:var(--muted);max-width:560px;line-height:1.9}
.final-cta__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 24px;border-radius:var(--r-pill);
  background:linear-gradient(100deg,var(--primary),var(--cyan));
  color:#06101F;font-size:15px;font-weight:700;
  box-shadow:0 14px 40px rgba(108,123,255,.4),0 0 0 1px rgba(67,217,232,.3);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,filter .2s ease;
}
.float-cta svg{width:17px;height:17px}
.float-cta.is-show{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{filter:brightness(1.08)}

/* ============ 搜索面板 ============ */
.search-modal{
  position:fixed;inset:0;z-index:90;display:none;
  place-items:center;padding:20px;
  background:rgba(4,6,12,.84);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.search-modal.is-open{display:grid}
.search-box{
  width:min(560px,100%);padding:28px;border-radius:var(--r-lg);
  background:linear-gradient(180deg,var(--card-2),var(--card));
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.search-box h3{font-size:19px;font-weight:700;margin-bottom:6px}
.search-box p{font-size:13.5px;color:var(--weak);margin-bottom:18px}
.search-box input{
  width:100%;height:50px;padding:0 16px;border-radius:var(--r-sm);
  background:#0A1122;border:1px solid var(--line);color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box input::placeholder{color:#5A6884}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(108,123,255,.18)}
.search-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.search-tags a{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--muted);background:rgba(154,178,220,.08);border:1px solid var(--line);
  transition:border-color .18s ease,color .18s ease;
}
.search-tags a:hover{border-color:rgba(67,217,232,.6);color:var(--cyan)}
.search-actions{display:flex;gap:10px;margin-top:20px}
.search-actions .btn{flex:1}
.search-empty{
  display:none;margin-top:16px;padding:16px;border-radius:12px;text-align:center;
  font-size:13.5px;color:var(--weak);
  border:1px dashed var(--line-strong);background:rgba(154,178,220,.04);
}
.search-empty.is-show{display:block}

/* ============ 页脚 ============ */
.footer{
  position:relative;z-index:1;margin-top:104px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,13,28,.65),#04060C);
  padding:68px 0 28px;
}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.foot-brand p{font-size:14px;color:var(--weak);line-height:1.9;margin-top:16px;max-width:330px}
.foot-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.foot-list{display:grid;gap:10px}
.foot-list li{font-size:13.5px;color:var(--weak);line-height:1.7}
.foot-list a{color:var(--muted);transition:color .18s ease}
.foot-list a:hover{color:var(--cyan)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--weak);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero__grid{gap:40px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  :root{--gutter:24px}
  main{padding-top:100px}
  .dock__nav{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:12px;
    border-radius:20px;background:rgba(8,13,28,.97);
    border:1px solid var(--line);box-shadow:var(--shadow);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  }
  .dock.open .dock__nav{display:flex}
  .dock__nav a{padding:12px 14px;font-size:15px;border-radius:12px}
  .dock__nav a.is-active::after{left:14px;right:auto;width:18px;bottom:8px}
  .dock__toggle{display:inline-flex}
  .dock__actions{margin-left:auto}
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .hero__lead{max-width:none}
  .check-wrap{grid-template-columns:1fr;gap:28px}
  .timeline{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .final-cta__inner{padding:40px 32px}
  .section{padding-top:72px}
}
@media (max-width:767px){
  .check-list{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .hero__meta{gap:16px}
  .login-card{padding:22px}
  .faq-q{padding:18px;font-size:15.5px}
  .faq-a p{padding:0 18px 20px;font-size:14.5px}
  .final-cta__inner{padding:34px 24px}
  .final-cta__actions{width:100%}
  .final-cta__actions .btn{flex:1}
}
@media (max-width:639px){
  :root{--gutter:20px}
  body{font-size:15.5px}
  .dock-wrap{top:12px;padding:0 12px}
  .dock{padding:8px 12px;gap:10px;border-radius:18px}
  .logo__main{font-size:16px}
  .logo__sub{font-size:10px}
  .dock__search{display:none}
  .dock__actions .btn--sm{min-height:38px;padding:0 14px;font-size:13.5px}
  main{padding-top:88px}
  .hero{padding-top:4px}
  .hero__cta .btn{width:100%}
  .float-cta{
    left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));
    height:54px;padding:0;border-radius:14px;
  }
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .section{padding-top:56px}
  .final-cta{margin-top:64px}
  .footer{margin-top:72px;padding-top:48px}
  .notice{padding:16px;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg:#05070E;
  --bg-2:#080D1C;
  --card:#0F1830;
  --card-2:#131E3A;
  --line:rgba(154,178,220,.18);
  --line-strong:rgba(154,178,220,.34);
  --text:#F2F6FF;
  --muted:#A9B7D0;
  --dim:#6E7D99;
  --primary:#6C7BFF;
  --cyan:#43D9E8;
  --gold:#FFC46B;
  --success:#4BE3A3;
  --danger:#FF6B8A;
  --r-sm:12px;
  --r:18px;
  --r-lg:28px;
  --r-pill:999px;
  --shadow:0 16px 60px rgba(0,0,0,.35);
  --glow:0 10px 34px rgba(92,110,255,.30);
  --container:1240px;
  --gutter:32px;
  --sec:112px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 540px at 6% -8%, rgba(108,123,255,.20), transparent 62%),
    radial-gradient(760px 480px at 98% 2%, rgba(67,217,232,.12), transparent 60%),
    radial-gradient(820px 720px at 50% 112%, rgba(108,123,255,.10), transparent 66%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(242,246,255,.10) 1px, transparent 1px);
  background-size:140px 140px;
  opacity:.45;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font);color:var(--text);margin:0;line-height:1.28;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,opacity .18s ease}
img{max-width:100%;display:block;border:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:var(--font);cursor:pointer}
input,textarea,select{font-family:var(--font)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
::selection{background:rgba(108,123,255,.35);color:#fff}

/* Foundation 覆盖 */
body,h1,h2,h3,h4,h5,h6,p,li,td,th,label,a{font-family:var(--font)}
table{background:transparent;border-collapse:collapse;border-spacing:0;margin-bottom:0;color:var(--text)}
table thead,tbody,tfoot{background:transparent;border:0}
table tbody tr:nth-child(even){background:transparent}
a:hover{color:var(--cyan)}
.button,button{font-family:var(--font);letter-spacing:0}
.menu{margin:0;padding:0}
.grid-x{margin:0}
.grid-container{padding-left:0;padding-right:0}

/* ===== 容器与板块 ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
main{position:relative;z-index:1}
.section{padding:var(--sec) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,13,28,0),rgba(8,13,28,.78) 18%,rgba(8,13,28,.78) 82%,rgba(8,13,28,0))}
.section--tight{padding:80px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;margin-bottom:44px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(28px,3.1vw,42px);font-weight:800;margin-top:14px}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--cyan);
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(67,217,232,.30);
  background:rgba(67,217,232,.08);
}
.sec-sub{color:var(--muted);font-size:16px;max-width:520px;line-height:1.85;margin:0}

/* ===== 导航 Dock ===== */
.dock-wrap{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;position:relative;
  width:min(1180px,100%);
  display:flex;align-items:center;gap:18px;
  padding:10px 16px;
  border-radius:22px;
  background:rgba(9,14,28,.74);
  border:1px solid var(--line);
  box-shadow:0 18px 50px rgba(0,0,0,.42);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.dock.is-scrolled{background:rgba(9,14,28,.92);border-color:var(--line-strong);box-shadow:0 20px 60px rgba(0,0,0,.55)}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo__mark{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;position:relative;
  background:radial-gradient(circle at 32% 30%,#8CE9F5,#6C7BFF 58%,rgba(108,123,255,.15) 78%);
  box-shadow:0 0 20px rgba(108,123,255,.55);
}
.logo__mark::after{
  content:"";position:absolute;inset:7px;border-radius:50%;
  border:1px solid rgba(242,246,255,.55);
  transform:rotate(-24deg) scaleY(.42);
}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--text)}
.logo__sub{font-size:11px;font-weight:500;letter-spacing:.10em;color:var(--dim);margin-top:2px}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock__nav a{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:14px;color:var(--muted);border-radius:10px;
  transition:color .18s ease,background .18s ease;
}
.dock__nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--primary));
  opacity:0;transform:scaleX(.4);transition:opacity .2s ease,transform .2s ease;
}
.dock__nav a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.dock__nav a:hover::after,.dock__nav a.is-active::after{opacity:1;transform:scaleX(1)}
.dock__nav a.is-active{color:var(--text);font-weight:600}
.dock__actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.dock__toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text);
  align-items:center;justify-content:center;padding:0;
}
.dock__toggle svg{width:20px;height:20px}
.dock__search{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--muted);
  display:inline-flex;align-items:center;justify-content:center;padding:0;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.dock__search svg{width:18px;height:18px}
.dock__search:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.07)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.btn--sm{min-height:38px;padding:8px 18px;font-size:14px}
.btn--primary{
  background:linear-gradient(96deg,#7B87FF,#5B6CF6 46%,#3FBFD6);
  color:#fff;box-shadow:0 10px 26px rgba(92,110,255,.32);
}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 14px 36px rgba(92,110,255,.46);color:#fff}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--text);background:rgba(67,217,232,.07)}
.btn--block{width:100%}
.btn:active{transform:translateY(0)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-size:14px;font-weight:600;border-bottom:1px solid transparent;padding-bottom:2px}
.link-more:hover{border-bottom-color:var(--cyan);color:var(--cyan)}

/* ===== 分类页 Hero ===== */
.phero{
  position:relative;
  padding:152px 0 76px;
  min-height:46vh;
  overflow:hidden;
}
.phero__bg{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(720px 420px at 12% 0%, rgba(108,123,255,.22), transparent 64%),
    linear-gradient(180deg,rgba(5,7,14,.2),rgba(5,7,14,.92)),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.9;
}
.phero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--muted);
  border:1px solid var(--line);background:rgba(19,30,58,.7);
  margin-bottom:20px;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.phero h1{
  font-size:clamp(32px,4.2vw,54px);
  font-weight:800;line-height:1.18;letter-spacing:-.015em;
  margin-bottom:20px;
}
.phero h1 em{
  font-style:normal;
  background:linear-gradient(96deg,#8CE9F5,#7B87FF 62%,#FFC46B);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{color:var(--muted);font-size:17px;line-height:1.9;max-width:620px;margin-bottom:26px}
.phero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.anchor-tags{display:flex;flex-wrap:wrap;gap:8px}
.anchor-tags a{
  display:inline-block;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--muted);border:1px solid var(--line);
  background:rgba(15,24,48,.6);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.anchor-tags a:hover{color:var(--text);border-color:var(--cyan);background:rgba(67,217,232,.10)}
.media-frame{
  position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:radial-gradient(circle at 30% 20%,rgba(108,123,255,.28),rgba(5,7,14,.95));
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,7,14,.05) 40%,rgba(5,7,14,.82));
}
.media-frame__cap{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  display:flex;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text);
}
.media-frame__cap span{
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(9,14,28,.78);border:1px solid var(--line);
}
.media-frame__cap span:last-child{color:var(--success);border-color:rgba(75,227,163,.35)}

/* ===== 资格卡 ===== */
.card-row{margin-left:-10px;margin-right:-10px}
.card-row > .cell{padding-left:10px;padding-right:10px;margin-bottom:20px;display:flex}
.qcard{
  width:100%;display:flex;flex-direction:column;
  padding:26px;border-radius:var(--r);
  background:linear-gradient(180deg,var(--card-2),var(--card));
  border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.24);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.qcard:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.55);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.qcard__icon{
  width:42px;height:42px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(108,123,255,.14);border:1px solid rgba(108,123,255,.32);
  color:var(--cyan);margin-bottom:16px;
}
.qcard__icon svg{width:20px;height:20px}
.qcard h3{font-size:20px;font-weight:700;margin-bottom:10px}
.qcard p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:16px}
.ticks{margin-top:auto;display:flex;flex-direction:column;gap:8px}
.ticks li{position:relative;padding-left:22px;font-size:14px;color:var(--dim)}
.ticks li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px rgba(67,217,232,.7);
}
.prep-bar{
  margin-top:16px;display:flex;flex-wrap:wrap;gap:14px 30px;align-items:center;
  padding:20px 26px;border-radius:var(--r);
  border:1px dashed rgba(154,178,220,.3);
  background:rgba(19,30,58,.5);
}
.prep-bar strong{font-size:15px;color:var(--text);font-weight:700;margin-right:6px}
.prep-bar span{font-size:14px;color:var(--muted)}
.prep-bar .sep{width:1px;height:16px;background:var(--line);display:inline-block}

/* ===== 对照表 ===== */
.table-wrap{
  overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,30,58,.92),rgba(15,24,48,.92));
  box-shadow:var(--shadow);
}
.cmp-table{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
.cmp-table caption{
  caption-side:top;text-align:left;padding:22px 26px 14px;
  color:var(--dim);font-size:13px;line-height:1.7;
}
.cmp-table thead th{
  text-align:left;padding:16px 22px;font-size:14px;font-weight:600;color:var(--muted);
  background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.cmp-table thead th:first-child{border-top-left-radius:14px}
.cmp-table thead th.is-reco{
  color:var(--text);background:rgba(108,123,255,.16);
  border-left:1px solid rgba(108,123,255,.4);border-right:1px solid rgba(108,123,255,.4);
}
.reco-tag{
  display:inline-block;margin-left:8px;padding:2px 9px;border-radius:var(--r-pill);
  font-size:11px;font-weight:700;color:#0A0E1C;
  background:linear-gradient(96deg,var(--cyan),#8CE9F5);
}
.cmp-table tbody th{
  text-align:left;padding:16px 22px;font-size:14px;font-weight:600;color:var(--text);
  background:transparent;border-bottom:1px solid rgba(154,178,220,.10);white-space:nowrap;
}
.cmp-table tbody td{
  padding:16px 22px;color:var(--muted);font-size:14.5px;line-height:1.75;
  border-bottom:1px solid rgba(154,178,220,.10);
}
.cmp-table tbody tr:nth-child(odd) td,
.cmp-table tbody tr:nth-child(odd) th{background:rgba(255,255,255,.018)}
.cmp-table tbody td.is-reco{
  color:var(--text);background:rgba(108,123,255,.10);
  border-left:1px solid rgba(108,123,255,.32);border-right:1px solid rgba(108,123,255,.32);
}
.cmp-table tbody tr:nth-child(odd) td.is-reco{background:rgba(108,123,255,.14)}
.cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0}
.table-note{margin-top:16px;font-size:13px;color:var(--dim)}

/* ===== 使用边界 ===== */
.bound-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.bound-card{
  padding:28px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--card-2),var(--card));
}
.bound-card--in{border-color:rgba(75,227,163,.28)}
.bound-card--out{border-color:rgba(255,107,138,.26)}
.bound-card h3{display:flex;align-items:center;gap:10px;font-size:20px;margin-bottom:16px}
.mark-dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto}
.mark-dot--in{background:var(--success);box-shadow:0 0 12px rgba(75,227,163,.7)}
.mark-dot--out{background:var(--danger);box-shadow:0 0 12px rgba(255,107,138,.7)}
.bound-list li{
  position:relative;padding:10px 0 10px 26px;font-size:15px;color:var(--muted);
  border-bottom:1px dashed rgba(154,178,220,.14);
}
.bound-list li:last-child{border-bottom:0}
.bound-list li::before{
  content:"";position:absolute;left:2px;top:19px;width:8px;height:8px;border-radius:50%;
  border:1px solid var(--dim);
}
.bound-card--in .bound-list li::before{border-color:var(--success);background:rgba(75,227,163,.3)}
.bound-card--out .bound-list li::before{border-color:var(--danger);background:rgba(255,107,138,.25)}
.note-strip{
  margin-top:22px;display:flex;gap:14px;align-items:flex-start;
  padding:20px 24px;border-radius:var(--r);
  border:1px solid rgba(255,196,107,.28);
  background:rgba(255,196,107,.07);
}
.note-strip .ico{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:rgba(255,196,107,.18);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:3px;
}
.note-strip p{font-size:14.5px;color:var(--muted);margin:0}
.note-strip strong{color:var(--gold)}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative}
.step{
  position:relative;padding:28px 26px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,30,58,.95),rgba(15,24,48,.95));
  transition:transform .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);border-color:rgba(67,217,232,.45)}
.step__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;margin-bottom:18px;
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--cyan);background:rgba(67,217,232,.10);
  border:1px solid rgba(67,217,232,.32);
}
.step h3{font-size:19px;margin-bottom:10px}
.step p{color:var(--muted);font-size:15px;line-height:1.85;margin:0}
.step::after{
  content:"";position:absolute;top:50px;right:-13px;width:24px;height:1px;
  background:linear-gradient(90deg,var(--line-strong),transparent);
}
.step:last-child::after{display:none}
.step-figure{margin-top:36px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);position:relative}
.step-figure img{width:100%;height:auto;aspect-ratio:21/8;object-fit:cover;background:radial-gradient(circle at 30% 30%,rgba(108,123,255,.3),rgba(5,7,14,.9))}
.step-figure figcaption{
  position:absolute;left:20px;bottom:16px;
  font-size:13px;color:var(--text);
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(9,14,28,.8);border:1px solid var(--line);
}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:.68fr 1.32fr;gap:48px;align-items:start}
.faq-aside h2{font-size:clamp(28px,3vw,40px);font-weight:800;margin:14px 0 16px}
.faq-aside p{color:var(--muted);font-size:15.5px;line-height:1.9;margin-bottom:22px}
.faq-aside .mini-cta{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--cyan);
  padding:10px 18px;border-radius:var(--r-pill);border:1px solid rgba(67,217,232,.32);
  background:rgba(67,217,232,.07);
}
.faq-aside .mini-cta:hover{background:rgba(67,217,232,.14);color:var(--text)}
.faq-item{
  border:1px solid var(--line);border-radius:16px;
  background:linear-gradient(180deg,rgba(19,30,58,.9),rgba(15,24,48,.9));
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:rgba(108,123,255,.5)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:transparent;border:0;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text);line-height:1.55;
}
.faq-q:hover{color:#fff}
.faq-icon{
  position:relative;flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  border:1px solid rgba(67,217,232,.4);transition:transform .25s ease,background .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--cyan);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:9px;height:1.6px}
.faq-icon::after{width:1.6px;height:9px;transition:opacity .25s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(67,217,232,.16)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows .3s ease,opacity .3s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr;opacity:1}
.faq-a__inner{overflow:hidden}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.9;margin:0}

/* ===== 分类入口 ===== */
.cat-card{
  width:100%;display:flex;flex-direction:column;
  border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--card-2),var(--card));
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.cat-card:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.55);box-shadow:0 18px 40px rgba(0,0,0,.42)}
.cat-card__media{position:relative;overflow:hidden;background:radial-gradient(circle at 40% 30%,rgba(108,123,255,.3),rgba(5,7,14,.9))}
.cat-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.cat-card:hover .cat-card__media img{transform:scale(1.02)}
.cat-card__body{padding:20px 22px 24px}
.cat-card__body h3{font-size:18px;margin-bottom:8px}
.cat-card__body p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:12px}
.cat-card__link{font-size:13px;color:var(--cyan);font-weight:600}

/* ===== 最终 CTA ===== */
.final-cta{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line);
  padding:60px 48px;
  background:
    linear-gradient(120deg,rgba(5,7,14,.94),rgba(9,14,28,.86)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  box-shadow:var(--shadow);
  text-align:center;
}
.final-cta h2{font-size:clamp(26px,3vw,40px);font-weight:800;margin-bottom:16px}
.final-cta p{color:var(--muted);font-size:16px;max-width:640px;margin:0 auto 28px;line-height:1.9}
.final-cta .btn-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ===== 页脚 ===== */
.footer{
  position:relative;z-index:1;
  background:#04060C;
  border-top:1px solid var(--line);
  padding:72px 0 34px;margin-top:40px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.foot-brand p{color:var(--muted);font-size:14px;line-height:1.9;margin-top:18px;max-width:340px}
.foot-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.foot-list{display:flex;flex-direction:column;gap:10px}
.foot-list a,.foot-list span{font-size:14px;color:var(--dim);line-height:1.7}
.foot-list a:hover{color:var(--cyan)}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(154,178,220,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:#fff;
  background:linear-gradient(96deg,#7B87FF,#5B6CF6 48%,#3FBFD6);
  box-shadow:0 12px 34px rgba(92,110,255,.45);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,box-shadow .2s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:#fff;box-shadow:0 16px 44px rgba(92,110,255,.6)}

/* ===== 搜索面板 ===== */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal__backdrop{position:absolute;inset:0;background:rgba(3,5,10,.78);backdrop-filter:blur(6px)}
.modal__panel{
  position:relative;z-index:2;
  width:min(640px,calc(100% - 32px));
  margin:14vh auto 0;padding:32px;
  border-radius:var(--r-lg);border:1px solid var(--line-strong);
  background:linear-gradient(180deg,#131E3A,#0B1428);
  box-shadow:0 30px 80px rgba(0,0,0,.65);
}
.modal__close{
  position:absolute;top:14px;right:16px;
  width:34px;height:34px;border-radius:50%;padding:0;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--muted);font-size:18px;line-height:1;
}
.modal__close:hover{color:var(--text);border-color:var(--line-strong)}
.modal__title{font-size:21px;font-weight:700;margin-bottom:20px}
.field-label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;letter-spacing:.02em}
.search-form__row{display:flex;gap:10px}
.search-form__row input{
  flex:1 1 auto;min-height:46px;padding:11px 16px;border-radius:var(--r-sm);
  background:rgba(5,7,14,.72);border:1px solid var(--line);color:var(--text);
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form__row input::placeholder{color:var(--dim)}
.search-form__row input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(108,123,255,.22)}
.search-hint{margin-top:16px;font-size:13px;color:var(--dim);line-height:2}
.search-hint a{display:inline-block;margin-right:8px;padding:3px 11px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--muted)}
.search-hint a:hover{border-color:var(--cyan);color:var(--cyan)}
.search-empty{
  margin-top:18px;padding:22px;border-radius:var(--r);
  border:1px dashed rgba(154,178,220,.3);
  text-align:center;font-size:14px;color:var(--dim);
}
.search-empty::before{content:"✧";display:block;font-size:20px;color:var(--cyan);margin-bottom:8px}

/* ===== 入场动效 ===== */
.reveal-up{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal-up.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal-up{opacity:1;transform:none;transition:none}
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  :root{--gutter:26px;--sec:88px}
  .dock__nav a{padding:8px 9px;font-size:13.5px}
  .phero__inner{gap:38px}
}

@media (max-width:1023px){
  :root{--gutter:22px;--sec:76px}
  .dock__toggle{display:inline-flex}
  .dock__nav{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;border-radius:20px;
    background:rgba(9,14,28,.97);
    border:1px solid var(--line-strong);
    box-shadow:0 24px 60px rgba(0,0,0,.6);
    margin-left:0;
  }
  .dock.is-open .dock__nav{display:flex}
  .dock__nav a{padding:12px 14px;font-size:15px}
  .dock__nav a::after{left:14px;right:auto;width:24px;bottom:8px}
  .dock__actions{margin-left:auto}
  .phero{padding-top:130px;min-height:auto}
  .phero__inner{grid-template-columns:1fr;gap:32px}
  .phero__side{order:2}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .bound-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step::after{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .final-cta{padding:44px 26px}
}

@media (max-width:767px){
  :root{--gutter:20px;--sec:56px}
  body{font-size:15.5px;line-height:1.8}
  .dock{padding:8px 12px;border-radius:18px}
  .logo__main{font-size:16px}
  .logo__sub{font-size:10px}
  .logo__mark{width:32px;height:32px}
  .dock__actions .btn--sm{display:none}
  .phero{padding:118px 0 52px}
  .phero h1{font-size:clamp(28px,7.6vw,36px)}
  .lead{font-size:15.5px}
  .phero__cta .btn{flex:1 1 auto}
  .media-frame img{aspect-ratio:16/11}
  .sec-head{margin-bottom:30px}
  .sec-sub{max-width:100%}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px;font-size:14.5px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:8px;margin-top:36px}
  .float-cta{
    right:0;left:0;bottom:0;justify-content:center;
    border-radius:0;padding:16px 20px calc(16px + env(safe-area-inset-bottom));
    font-size:15px;
  }
  .float-cta.is-show{transform:none}
  .footer{padding-bottom:96px}
}

@media (max-width:520px){
  .phero__cta{flex-direction:column;align-items:stretch}
  .phero__cta .btn{width:100%}
  .modal__panel{margin-top:9vh;padding:24px 20px}
  .search-form__row{flex-direction:column}
  .search-form__row .btn{width:100%}
  .prep-bar{gap:10px}
  .prep-bar .sep{display:none}
  .bound-card{padding:22px}
  .step{padding:22px}
  .cmp-table{font-size:13.5px}
}

/* roulang page: category3 */
:root{
  --bg:#05070E;
  --deep:#080D1C;
  --card:#0F1830;
  --card-2:#131E3A;
  --line:rgba(154,178,220,.18);
  --line-strong:rgba(154,178,220,.34);
  --text:#F2F6FF;
  --muted:#A9B7D0;
  --dim:#6E7D99;
  --primary:#6C7BFF;
  --cyan:#43D9E8;
  --gold:#FFC46B;
  --success:#4BE3A3;
  --danger:#FF6B8A;
  --radius-sm:12px;
  --radius:20px;
  --radius-lg:28px;
  --shadow:0 16px 60px rgba(0,0,0,.35);
  --container:1240px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:
    radial-gradient(900px 620px at 10% -8%, rgba(108,123,255,.20), transparent 62%),
    radial-gradient(760px 520px at 92% 2%, rgba(67,217,232,.13), transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(rgba(255,255,255,.30) 1px, transparent 1px),
    radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:150px 150px, 230px 230px;
  background-position:0 0, 76px 92px;
  opacity:.32;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--cyan)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.page{position:relative;z-index:1}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section--tight{padding:64px 0}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;
  top:18px;
  left:0;
  right:0;
  z-index:80;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  position:relative;
  width:min(1180px,100%);
  display:flex;
  align-items:center;
  gap:18px;
  padding:12px 20px;
  border-radius:22px;
  background:rgba(9,14,30,.74);
  border:1px solid var(--line);
  box-shadow:0 18px 50px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:background .3s,border-color .3s;
}
.dock.is-scrolled{background:rgba(8,13,28,.92);border-color:var(--line-strong)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:34px;height:34px;border-radius:50%;flex:0 0 auto;position:relative;
  background:
    radial-gradient(circle at 34% 30%, rgba(255,255,255,.95), rgba(255,255,255,.06) 42%),
    linear-gradient(140deg,var(--primary),var(--cyan));
  box-shadow:0 0 0 1px rgba(255,255,255,.16), 0 6px 18px rgba(108,123,255,.35);
}
.logo__mark::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:1px solid rgba(67,217,232,.5);
  transform:rotate(-24deg) scaleY(.4);
}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--text)}
.logo__sub{font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--dim)}
.dock__nav{display:flex;align-items:center;gap:2px;margin:0 0 0 auto;flex-wrap:nowrap}
.dock__nav li{list-style:none}
.dock__nav a{
  position:relative;
  display:inline-block;
  padding:8px 13px;
  font-size:14px;
  color:var(--muted);
  border-radius:999px;
  transition:color .2s,background .2s;
  white-space:nowrap;
}
.dock__nav a:hover{color:var(--text);background:rgba(154,178,220,.08)}
.dock__nav a.is-active{color:var(--text);font-weight:600}
.dock__nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--primary));
}
.dock__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock__search,.dock__toggle{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(154,178,220,.07);
  border:1px solid var(--line);
  color:var(--muted);cursor:pointer;
  transition:color .2s,border-color .2s,background .2s;
}
.dock__search:hover,.dock__toggle:hover{color:var(--text);border-color:var(--line-strong);background:rgba(154,178,220,.14)}
.dock__search svg,.dock__toggle svg{width:18px;height:18px}
.dock__toggle{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn--primary{
  background:linear-gradient(118deg,var(--primary),var(--cyan));
  color:#06101F;
  box-shadow:0 12px 32px rgba(76,120,255,.30);
}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 40px rgba(67,217,232,.32);color:#06101F}
.btn--primary:active{transform:translateY(0);filter:brightness(.98)}
.btn--ghost{
  background:transparent;border-color:var(--line-strong);color:var(--text);
}
.btn--ghost:hover{border-color:rgba(67,217,232,.62);color:var(--text);box-shadow:0 0 0 1px rgba(67,217,232,.16)}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- 标签 / 徽章 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;letter-spacing:.06em;color:var(--cyan);
  border:1px solid rgba(67,217,232,.28);
  background:rgba(67,217,232,.06);
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px rgba(67,217,232,.9);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;color:var(--muted);
  border:1px solid var(--line);
  background:rgba(15,24,48,.7);
}
.badge--gold{color:var(--gold);border-color:rgba(255,196,107,.34);background:rgba(255,196,107,.08)}
.badge--cyan{color:var(--cyan);border-color:rgba(67,217,232,.34);background:rgba(67,217,232,.08)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;
  font-size:14px;color:var(--muted);
  border:1px solid var(--line);
  background:rgba(15,24,48,.6);
  cursor:pointer;
  transition:color .2s,border-color .2s,background .2s,transform .2s;
}
.chip:hover{color:var(--text);border-color:var(--line-strong)}
.chip.is-active{
  color:#06101F;font-weight:600;
  background:linear-gradient(118deg,var(--primary),var(--cyan));
  border-color:transparent;
  box-shadow:0 8px 24px rgba(76,120,255,.28);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:146px 0 72px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.18;
  z-index:-1;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.55),rgba(5,7,14,.94) 78%,var(--bg));
  z-index:-1;
}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:center}
.hero h1{
  margin:20px 0 0;
  font-size:clamp(32px,4.4vw,56px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.01em;
}
.hero h1 span{color:var(--cyan)}
.hero__lead{
  margin-top:20px;
  max-width:640px;
  font-size:17px;
  color:var(--muted);
}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero__anchors{margin-top:30px;display:flex;flex-wrap:wrap;gap:10px}

/* 内容索引面板 */
.index-panel{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,30,58,.86),rgba(15,24,48,.72));
  box-shadow:var(--shadow);
  padding:26px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.index-panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.index-panel__head h2{font-size:16px;font-weight:700;letter-spacing:.02em}
.index-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 0;
  border-bottom:1px dashed rgba(154,178,220,.16);
}
.index-list li:last-child{border-bottom:0;padding-bottom:0}
.index-list strong{display:block;font-size:15px;font-weight:600;color:var(--text)}
.index-list small{display:block;font-size:13px;color:var(--dim);line-height:1.6}
.index-list .dot{
  width:8px;height:8px;border-radius:50%;flex:0 0 auto;
  background:var(--cyan);box-shadow:0 0 10px rgba(67,217,232,.8);
}
.index-list .dot--purple{background:var(--primary);box-shadow:0 0 10px rgba(108,123,255,.8)}
.index-list .dot--gold{background:var(--gold);box-shadow:0 0 10px rgba(255,196,107,.8)}
.index-list .dot--green{background:var(--success);box-shadow:0 0 10px rgba(75,227,163,.8)}

/* ---------- 区块标题 ---------- */
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap}
.section__title{font-size:clamp(26px,3.2vw,40px);line-height:1.22;font-weight:800;margin-top:16px}
.section__desc{margin-top:14px;max-width:660px;color:var(--muted);font-size:16px}
.textlink{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--cyan);
  border-bottom:1px solid rgba(67,217,232,.4);
  padding-bottom:2px;
  transition:color .2s,border-color .2s;
}
.textlink:hover{color:var(--text);border-color:var(--text)}

/* ---------- 画廊 ---------- */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.gcard{
  position:relative;
  grid-column:span 4;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:0 12px 40px rgba(0,0,0,.28);
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.gcard:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.55);box-shadow:0 20px 50px rgba(0,0,0,.42)}
.gcard--w7{grid-column:span 7}
.gcard--w5{grid-column:span 5}
.gcard--band{grid-column:span 12}
.gcard__media{position:relative;overflow:hidden;aspect-ratio:4/3}
.gcard--w7 .gcard__media{aspect-ratio:16/10}
.gcard--w5 .gcard__media{aspect-ratio:16/11}
.gcard--band .gcard__media{aspect-ratio:21/6}
.gcard__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
  background:radial-gradient(circle at 30% 30%,rgba(108,123,255,.35),rgba(5,7,14,.9));
}
.gcard:hover .gcard__media img{transform:scale(1.03)}
.gcard__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.05) 30%,rgba(5,7,14,.86));
}
.gcard__tag{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;color:var(--text);
  background:rgba(5,7,14,.72);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(8px);
}
.gcard__body{position:relative;z-index:2;padding:0 22px 22px;margin-top:-46px}
.gcard__body h3{font-size:19px;font-weight:700;line-height:1.4}
.gcard__body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75}
.gcard__meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.gcard--band .gcard__body{position:absolute;left:0;right:0;bottom:0;margin:0;padding:26px;max-width:640px}
.gcard.is-hidden{display:none}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split + .split{margin-top:64px}
.split__media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--card);
}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(5,7,14,.05),rgba(5,7,14,.5));
  pointer-events:none;
}
.split--rev .split__media{order:-1}
.split__body h3{font-size:clamp(22px,2.6vw,28px);font-weight:800;line-height:1.35;margin-top:14px}
.split__body p{margin-top:14px;color:var(--muted);font-size:16px}
.checklist{margin-top:20px;display:grid;gap:12px}
.checklist li{display:flex;gap:10px;font-size:15px;color:var(--muted)}
.checklist li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:11px;border-radius:50%;
  background:linear-gradient(140deg,var(--primary),var(--cyan));
  box-shadow:0 0 10px rgba(67,217,232,.6);
}

/* ---------- 栏目入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.entry{
  display:flex;flex-direction:column;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--card-2),var(--card));
  overflow:hidden;
  transition:transform .3s,border-color .3s;
}
.entry:hover{transform:translateY(-3px);border-color:rgba(67,217,232,.5)}
.entry img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.9}
.entry__body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.entry__body h3{font-size:17px;font-weight:700}
.entry__body p{font-size:14px;color:var(--muted);line-height:1.7;flex:1}
.entry__body .textlink{align-self:flex-start;margin-top:6px;font-size:13px}

/* ---------- 提示条 ---------- */
.tipband{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(15,24,48,.6);
  padding:26px 28px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.tipband__item{display:flex;gap:12px;font-size:14px;color:var(--muted);line-height:1.75}
.tipband__num{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--gold);
  background:rgba(255,196,107,.1);
  border:1px solid rgba(255,196,107,.3);
}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq__item{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card);
  overflow:hidden;
  transition:border-color .25s,background .25s;
}
.faq__item:hover{border-color:var(--line-strong)}
.faq__item.is-open{border-color:rgba(108,123,255,.55);background:var(--card-2)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;
  background:transparent;border:0;cursor:pointer;
  color:var(--text);font-size:16px;font-weight:600;text-align:left;line-height:1.6;
}
.faq__icon{
  position:relative;flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  border:1px solid var(--line-strong);
  transition:transform .3s,border-color .3s;
}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--muted);
  transform:translate(-50%,-50%);transition:background .3s;
}
.faq__icon::before{width:9px;height:1.5px}
.faq__icon::after{width:1.5px;height:9px}
.faq__item.is-open .faq__icon{transform:rotate(45deg);border-color:rgba(67,217,232,.6)}
.faq__item.is-open .faq__icon::before,.faq__item.is-open .faq__icon::after{background:var(--cyan)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq__a p{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  padding:56px 48px;
  background:
    linear-gradient(120deg,rgba(9,14,30,.92),rgba(19,30,58,.86));
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.16;
}
.cta-band__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;margin-top:14px}
.cta-band p{margin-top:12px;max-width:560px;color:var(--muted)}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}

/* 相关分类 */
.relnav{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.relnav a{
  padding:9px 18px;border-radius:999px;font-size:14px;color:var(--muted);
  border:1px solid var(--line);background:rgba(15,24,48,.6);
  transition:color .2s,border-color .2s,transform .2s;
}
.relnav a:hover{color:var(--text);border-color:rgba(67,217,232,.5);transform:translateY(-1px)}

/* ---------- 页脚 ---------- */
.footer{
  position:relative;
  margin-top:80px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,13,28,.7),#04060C);
}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding:64px 0 40px;
}
.foot-brand p{margin-top:18px;font-size:14px;color:var(--muted);line-height:1.85;max-width:340px}
.foot-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.foot-list li{margin-bottom:10px}
.foot-list a,.foot-list span{font-size:14px;color:var(--dim);transition:color .2s}
.foot-list a:hover{color:var(--cyan)}
.foot-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 34px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;bottom:24px;
  z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:0 22px;height:50px;border-radius:999px;
  font-size:15px;font-weight:600;color:#06101F;
  background:linear-gradient(118deg,var(--primary),var(--cyan));
  box-shadow:0 14px 36px rgba(76,120,255,.35);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s;
}
.float-cta svg{width:18px;height:18px}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:#06101F;filter:brightness(1.06)}

/* ---------- 搜索面板 ---------- */
.modal{position:fixed;inset:0;z-index:100;display:none}
.modal.is-open{display:block}
.modal__backdrop{position:absolute;inset:0;background:rgba(3,5,12,.78);backdrop-filter:blur(6px)}
.modal__panel{
  position:relative;
  width:min(640px,calc(100% - 32px));
  margin:14vh auto 0;
  padding:32px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(180deg,rgba(19,30,58,.98),rgba(9,14,30,.98));
  box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.modal__panel h2{font-size:20px;font-weight:800}
.modal__close{
  position:absolute;top:14px;right:16px;
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:transparent;color:var(--muted);
  font-size:20px;line-height:1;cursor:pointer;
}
.modal__close:hover{color:var(--text);border-color:var(--line-strong)}
.search-form{margin-top:20px}
.search-form label{display:block;font-size:13px;color:var(--dim);margin-bottom:8px}
.search-form__row{display:flex;gap:10px;flex-wrap:wrap}
.search-form__row input{
  flex:1 1 220px;
  height:46px;padding:0 16px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(5,7,14,.8);
  color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .2s,box-shadow .2s;
}
.search-form__row input::placeholder{color:var(--dim)}
.search-form__row input:focus{
  outline:none;border-color:rgba(108,123,255,.8);
  box-shadow:0 0 0 3px rgba(108,123,255,.18);
}
.search-hot{margin-top:22px}
.search-hot__label{display:block;font-size:13px;color:var(--dim);margin-bottom:10px}
.search-hot .chips a{font-size:13px;padding:6px 14px}
.search-empty{margin-top:20px;font-size:13px;color:var(--dim);border-top:1px dashed var(--line);padding-top:16px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .dock__nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;border-radius:20px;
    background:rgba(8,13,28,.97);
    border:1px solid var(--line-strong);
    box-shadow:0 24px 60px rgba(0,0,0,.55);
    display:none;
  }
  .dock__nav.is-open{display:flex}
  .dock__nav a{padding:11px 14px;border-radius:12px;font-size:15px}
  .dock__nav a.is-active::after{left:14px;right:auto;width:22px}
  .dock__toggle{display:inline-flex}
  .dock{margin-left:auto;margin-right:auto;gap:10px;padding:10px 14px}
  .hero{padding:126px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .section{padding:72px 0}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .gcard--w7,.gcard--w5{grid-column:span 6}
  .gcard--band{grid-column:span 12}
  .gcard--band .gcard__media{aspect-ratio:16/8}
  .split{grid-template-columns:1fr;gap:32px}
  .split--rev .split__media{order:0}
  .tipband{grid-template-columns:1fr}
  .faq{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px 28px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  body{font-size:15px}
  .section{padding:56px 0}
  .hero{padding:118px 0 48px}
  .hero__lead{font-size:16px}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .gallery{gap:16px}
  .gcard,.gcard--w7,.gcard--w5,.gcard--band{grid-column:span 12}
  .gcard__media,.gcard--w7 .gcard__media,.gcard--w5 .gcard__media{aspect-ratio:4/3}
  .gcard--band .gcard__media{aspect-ratio:4/3}
  .gcard--band .gcard__body{position:relative;margin-top:-46px;padding:0 20px 20px}
  .entry-grid{grid-template-columns:1fr}
  .index-panel{padding:20px}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .foot-bottom{flex-direction:column;gap:8px}
  .float-cta{
    left:0;right:0;bottom:0;
    width:100%;height:56px;border-radius:0;
    justify-content:center;
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -10px 30px rgba(0,0,0,.5);
    transform:translateY(0);
  }
  .float-cta.is-visible{transform:translateY(0)}
  .cta-band__actions .btn{width:100%}
  .modal__panel{margin-top:10vh;padding:24px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --bg:#05070E;--bg-2:#080D1C;--card:#0F1830;--card-2:#131E3A;
  --line:rgba(154,178,220,.18);--line-strong:rgba(154,178,220,.34);
  --text:#F2F6FF;--muted:#A9B7D0;--dim:#6E7D99;
  --primary:#6C7BFF;--cyan:#43D9E8;--gold:#FFC46B;--ok:#4BE3A3;--danger:#FF6B8A;
  --r-sm:12px;--r-md:18px;--r-lg:28px;--r-pill:999px;
  --shadow:0 16px 60px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(108,123,255,.35),0 12px 40px rgba(108,123,255,.22);
  --gap:112px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(108,123,255,.20),transparent 70%),
    radial-gradient(620px 420px at 92% 4%,rgba(67,217,232,.14),transparent 72%),
    radial-gradient(2px 2px at 22% 18%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.6px 1.6px at 68% 32%,rgba(255,255,255,.40),transparent 60%),
    radial-gradient(1.4px 1.4px at 44% 66%,rgba(255,255,255,.35),transparent 60%),
    radial-gradient(1.6px 1.6px at 84% 78%,rgba(255,255,255,.32),transparent 60%),
    linear-gradient(180deg,#05070E 0%,#070B16 40%,#05070E 100%);
  background-size:auto,auto,auto,auto,auto,auto,auto;
  opacity:.95;
}
img{max-width:100%;display:block;border:0}
a{color:var(--cyan);text-decoration:none;transition:color .18s ease}
a:hover{color:#8ef1fa}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.22;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(108,123,255,.42);color:#fff}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{width:min(1240px,calc(100% - 40px));margin-inline:auto;position:relative;z-index:1}
.container--wide{width:min(1440px,calc(100% - 40px))}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:18px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;position:relative;display:flex;align-items:center;gap:18px;
  width:min(1180px,100%);padding:11px 20px;border-radius:22px;
  background:rgba(9,14,28,.74);border:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 16px 50px rgba(0,0,0,.42);transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.dock.is-scrolled{background:rgba(7,11,24,.94);border-color:var(--line-strong);box-shadow:0 18px 60px rgba(0,0,0,.55)}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text);flex:0 0 auto}
.logo__mark{
  width:36px;height:36px;border-radius:13px;flex:0 0 auto;position:relative;
  background:radial-gradient(circle at 30% 28%,#8f9bff,#3a44b8 55%,#101a3c 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),0 6px 20px rgba(108,123,255,.35);
}
.logo__mark::before{content:"";position:absolute;inset:8px;border-radius:50%;border:1px solid rgba(255,255,255,.55);border-left-color:transparent;border-bottom-color:rgba(67,217,232,.8);transform:rotate(-32deg)}
.logo__mark::after{content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:var(--gold);top:9px;right:9px;box-shadow:0 0 10px rgba(255,196,107,.9)}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:18px;font-weight:800;letter-spacing:.02em}
.logo__sub{font-size:11px;font-weight:500;letter-spacing:.16em;color:var(--muted)}
.dock__nav{display:flex;align-items:center;gap:2px;flex:1 1 auto;justify-content:center;position:relative}
.dock__nav a{
  display:inline-block;padding:7px 13px;border-radius:11px;font-size:14px;color:var(--muted);
  text-decoration:none;white-space:nowrap;position:relative;transition:color .18s ease,background .18s ease;
}
.dock__nav a:hover{color:#fff;background:rgba(108,123,255,.12)}
.dock__nav a.is-active{color:#fff}
.dock__nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--primary));
}
.dock__actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.dock__search,.dock__toggle{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--muted);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.dock__search svg,.dock__toggle svg{width:18px;height:18px}
.dock__search:hover,.dock__toggle:hover{color:#fff;border-color:var(--line-strong);background:rgba(108,123,255,.16)}
.dock__toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.02em;cursor:pointer;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn--sm{min-height:44px;padding:0 18px;font-size:14px}
.btn--primary{background:linear-gradient(120deg,#6C7BFF 0%,#58a8f5 55%,#43D9E8 100%);color:#FFF;box-shadow:0 10px 28px rgba(108,123,255,.30)}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(108,123,255,.46);color:#fff}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(108,123,255,.35)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn--ghost:hover{border-color:rgba(108,123,255,.6);background:rgba(108,123,255,.12);color:#fff;transform:translateY(-1px)}
.btn--gold{background:rgba(255,196,107,.12);border-color:rgba(255,196,107,.45);color:var(--gold)}
.btn--gold:hover{background:rgba(255,196,107,.2);color:#fff3dc}

/* ---------- 通用板块 ---------- */
main{position:relative;z-index:1}
.section{padding-block:var(--gap)}
.section--tight{padding-block:72px}
.sec-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;letter-spacing:.14em;color:var(--cyan);
  background:rgba(67,217,232,.08);border:1px solid rgba(67,217,232,.28);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:inline-block}
.sec-head h2{margin:18px 0 14px;font-size:clamp(28px,3.2vw,40px)}
.sec-head p{color:var(--muted);font-size:16px;max-width:680px}
.tag{display:inline-block;padding:4px 11px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.06em;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.03)}
.tag--ok{color:var(--ok);border-color:rgba(75,227,163,.35);background:rgba(75,227,163,.08)}
.tag--warn{color:var(--gold);border-color:rgba(255,196,107,.35);background:rgba(255,196,107,.08)}
.tag--danger{color:var(--danger);border-color:rgba(255,107,138,.35);background:rgba(255,107,138,.08)}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:150px 0 78px;min-height:44vh;
  border-bottom:1px solid rgba(154,178,220,.10);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.20;filter:saturate(115%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(180deg,rgba(5,7,14,.72) 0%,rgba(5,7,14,.88) 60%,var(--bg) 100%),
    linear-gradient(90deg,rgba(5,7,14,.92) 0%,rgba(5,7,14,.35) 60%,rgba(5,7,14,.8) 100%);
}
.hero-grid{display:grid;grid-template-columns:1.32fr .88fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(32px,4.1vw,56px);line-height:1.14;margin:20px 0 20px;letter-spacing:-.01em}
.hero-copy h1 span{display:block;font-size:.52em;font-weight:700;color:var(--cyan);letter-spacing:.06em;margin-top:12px}
.hero-copy .lead{color:var(--muted);font-size:17px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.jump-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.jump-tags a{
  display:inline-block;padding:8px 16px;border-radius:var(--r-pill);font-size:13.5px;color:var(--muted);
  border:1px solid var(--line);background:rgba(255,255,255,.03);text-decoration:none;
  transition:color .18s,border-color .18s,background .18s;
}
.jump-tags a:hover{color:#fff;border-color:rgba(108,123,255,.55);background:rgba(108,123,255,.14)}
.hero-panel{
  border-radius:var(--r-lg);padding:26px 26px 22px;
  background:linear-gradient(160deg,rgba(19,30,58,.92),rgba(10,16,32,.94));
  border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(10px);
}
.panel-head{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--text);padding-bottom:16px;border-bottom:1px solid rgba(154,178,220,.14)}
.panel-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(67,217,232,.9)}
.panel-list{display:grid;gap:2px;margin-top:8px}
.panel-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 2px;border-bottom:1px dashed rgba(154,178,220,.13);font-size:14.5px;color:var(--muted)}
.panel-list li:last-child{border-bottom:0}
.state{font-style:normal;font-size:12.5px;padding:3px 10px;border-radius:var(--r-pill)}
.state--ok{color:var(--ok);background:rgba(75,227,163,.10);border:1px solid rgba(75,227,163,.32)}
.state--warn{color:var(--gold);background:rgba(255,196,107,.10);border:1px solid rgba(255,196,107,.32)}
.panel-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--dim)}

/* ---------- 安全清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.check-item{
  display:flex;gap:16px;padding:24px;border-radius:var(--r-md);
  background:linear-gradient(170deg,var(--card),rgba(11,17,34,.96));
  border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.check-item:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.5);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.check-ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(67,217,232,.10);border:1px solid rgba(67,217,232,.3);color:var(--cyan);font-size:17px;font-weight:800;
}
.check-item h3{font-size:18px;margin-bottom:6px}
.check-item p{color:var(--muted);font-size:14.5px;line-height:1.8}

/* ---------- 三步验证时间线 ---------- */
.verify-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--cyan),var(--primary),rgba(108,123,255,.08))}
.tl-item{position:relative;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:8px;width:12px;height:12px;border-radius:50%;
  background:#070B16;border:2px solid var(--cyan);box-shadow:0 0 0 4px rgba(67,217,232,.12);
}
.tl-item:nth-child(2)::before{border-color:var(--primary);box-shadow:0 0 0 4px rgba(108,123,255,.14)}
.tl-item:nth-child(3)::before{border-color:var(--gold);box-shadow:0 0 0 4px rgba(255,196,107,.14)}
.tl-step{font-size:12.5px;letter-spacing:.18em;color:var(--dim);font-weight:700}
.tl-item h3{font-size:20px;margin:6px 0 8px}
.tl-item p{color:var(--muted);font-size:15px;max-width:520px}
.tl-item .mini-list{margin-top:10px;display:grid;gap:5px}
.tl-item .mini-list li{position:relative;padding-left:16px;font-size:14px;color:var(--dim)}
.tl-item .mini-list li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--cyan);opacity:.8}
.media-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:#0A1124;
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.media-frame:hover img{transform:scale(1.03)}
.media-bar{display:flex;align-items:center;gap:7px;padding:11px 16px;background:rgba(9,15,30,.92);border-bottom:1px solid rgba(154,178,220,.14)}
.media-bar i{width:9px;height:9px;border-radius:50%;background:rgba(154,178,220,.35);display:inline-block}
.media-bar i:first-child{background:rgba(255,107,138,.6)}
.media-bar i:nth-child(2){background:rgba(255,196,107,.6)}
.media-bar i:nth-child(3){background:rgba(75,227,163,.6)}
.media-bar span{margin-left:8px;font-size:12px;color:var(--dim);letter-spacing:.06em}
.media-cap{padding:16px 20px;font-size:13.5px;color:var(--muted);border-top:1px solid rgba(154,178,220,.12);background:rgba(9,15,30,.6)}

/* ---------- 风险提示 ---------- */
.risk-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.risk-card{
  padding:26px 24px;border-radius:var(--r-md);
  background:linear-gradient(170deg,rgba(19,30,58,.9),rgba(10,16,32,.95));
  border:1px solid rgba(255,196,107,.24);position:relative;overflow:hidden;
  transition:transform .2s ease,border-color .2s ease;
}
.risk-card::after{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:linear-gradient(180deg,var(--gold),rgba(255,196,107,0))}
.risk-card:hover{transform:translateY(-3px);border-color:rgba(255,196,107,.5)}
.risk-card h3{font-size:19px;margin:14px 0 8px}
.risk-card p{color:var(--muted);font-size:14.5px}
.risk-card .risk-foot{margin-top:16px;font-size:13px;color:var(--gold)}

/* ---------- 安全习惯 图文 ---------- */
.habit-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}
.habit-list{display:grid;gap:14px;margin-top:26px}
.habit-list li{
  display:flex;gap:14px;padding:16px 18px;border-radius:var(--r-md);
  background:rgba(15,24,48,.72);border:1px solid var(--line);
  transition:border-color .2s ease,background .2s ease;
}
.habit-list li:hover{border-color:rgba(108,123,255,.45);background:rgba(19,30,58,.9)}
.habit-list b{color:var(--cyan);font-size:15px;flex:0 0 auto;min-width:64px}
.habit-list span{color:var(--muted);font-size:14.5px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:.62fr 1.38fr;gap:44px;align-items:start}
.faq-side p{color:var(--muted);font-size:15px;margin-top:14px;max-width:340px}
.faq-list{display:grid;gap:12px}
.faq-item{
  border-radius:var(--r-md);border:1px solid var(--line);background:rgba(15,24,48,.7);
  overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(108,123,255,.5);background:rgba(19,30,58,.9)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 22px;position:relative;
  font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;margin-top:-6px;
  background:
    linear-gradient(var(--cyan),var(--cyan)) center/12px 2px no-repeat,
    linear-gradient(var(--cyan),var(--cyan)) center/2px 12px no-repeat;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:#fff}
.faq-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;border-top:1px solid rgba(154,178,220,.10);padding-top:16px}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.rel-card{
  display:block;padding:22px 20px;border-radius:var(--r-md);text-decoration:none;
  background:linear-gradient(170deg,var(--card),rgba(9,14,28,.96));
  border:1px solid var(--line);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(67,217,232,.5);box-shadow:0 16px 40px rgba(0,0,0,.4);color:inherit}
.rel-card .rel-kicker{font-size:12px;letter-spacing:.16em;color:var(--dim)}
.rel-card h3{font-size:17px;margin:8px 0 6px;color:var(--text)}
.rel-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.rel-card .rel-arrow{display:inline-block;margin-top:12px;font-size:13px;color:var(--cyan)}

/* ---------- 最终 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:56px 48px;
  border:1px solid rgba(108,123,255,.32);
  background:linear-gradient(140deg,rgba(19,30,58,.96),rgba(8,13,28,.98));
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 85% 20%,rgba(67,217,232,.16),transparent 70%)}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,2.8vw,34px);max-width:640px}
.cta-inner p{color:var(--muted);font-size:15px;margin-top:12px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{position:relative;z-index:1;margin-top:var(--gap);padding:68px 0 30px;background:#04060C;border-top:1px solid rgba(154,178,220,.16)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand .logo{margin-bottom:18px}
.foot-brand p{color:var(--dim);font-size:14px;max-width:360px;line-height:1.85}
.foot-title{font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:16px;color:var(--text)}
.foot-list{display:grid;gap:11px}
.foot-list a,.foot-list span{font-size:14px;color:var(--dim);text-decoration:none}
.foot-list a:hover{color:var(--cyan)}
.foot-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(154,178,220,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  padding:0 24px;height:52px;border-radius:var(--r-pill);
  background:linear-gradient(120deg,#6C7BFF,#43D9E8);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 12px 34px rgba(108,123,255,.42);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,box-shadow .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:#fff;box-shadow:0 16px 44px rgba(108,123,255,.6)}
.float-cta svg{width:17px;height:17px}

/* ---------- 搜索浮层 ---------- */
.search-modal{
  position:fixed;inset:0;z-index:120;display:none;place-items:center;padding:20px;
  background:rgba(3,5,11,.78);backdrop-filter:blur(6px);
}
.search-modal.is-open{display:grid}
.search-box{
  width:min(620px,100%);border-radius:var(--r-lg);padding:28px;
  background:linear-gradient(160deg,rgba(19,30,58,.98),rgba(8,13,28,.99));
  border:1px solid var(--line-strong);box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.search-box h3{font-size:20px;margin-bottom:6px}
.search-box p.hint{font-size:13.5px;color:var(--dim);margin-bottom:18px}
.search-field{display:flex;gap:10px}
.search-field input{
  flex:1;height:50px;border-radius:var(--r-sm);padding:0 16px;font-size:15px;
  background:rgba(5,9,20,.9);border:1px solid var(--line);color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-field input::placeholder{color:var(--dim)}
.search-field input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(108,123,255,.22)}
.search-hot{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.search-hot a{font-size:13px;padding:6px 13px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--muted);text-decoration:none}
.search-hot a:hover{color:#fff;border-color:rgba(108,123,255,.5);background:rgba(108,123,255,.14)}
.search-close{position:absolute;top:22px;right:22px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;font-size:18px;line-height:1}
.search-box{position:relative}
.search-close:hover{color:#fff;border-color:var(--line-strong)}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  :root{--gap:88px}
  .hero-grid{gap:34px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  :root{--gap:76px}
  .dock__nav{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;padding:12px;
    background:rgba(8,13,28,.98);border:1px solid var(--line-strong);border-radius:18px;
    box-shadow:0 24px 60px rgba(0,0,0,.55);
    display:none;
  }
  .dock__nav.is-open{display:flex}
  .dock__nav a{padding:12px 14px;font-size:15px}
  .dock__nav a.is-active::after{left:14px;right:auto;width:26px;bottom:8px}
  .dock__toggle{display:grid}
  .hero-grid{grid-template-columns:1fr}
  .page-hero{padding:132px 0 62px;min-height:0}
  .verify-wrap,.habit-wrap,.faq-grid{grid-template-columns:1fr;gap:32px}
  .check-grid{grid-template-columns:1fr}
  .risk-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:44px 32px}
}
@media (max-width:767px){
  :root{--gap:58px}
  body{font-size:15.5px}
  .container{width:calc(100% - 32px)}
  .dock{padding:10px 14px;border-radius:18px;gap:10px}
  .logo__main{font-size:16px}
  .logo__sub{font-size:10px;letter-spacing:.12em}
  .dock__actions .btn--sm{padding:0 14px;font-size:13px;min-height:40px}
  .dock__search,.dock__toggle{width:38px;height:38px}
  .page-hero{padding:120px 0 52px}
  .hero-copy h1{font-size:clamp(28px,7.4vw,36px)}
  .hero-copy .lead{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .risk-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:34px 22px;border-radius:22px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .faq-item summary{font-size:15.5px;padding:17px 48px 17px 18px}
  .faq-body{padding:14px 18px 20px}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;justify-content:center;
    padding-bottom:env(safe-area-inset-bottom);
  }
  .footer{margin-top:var(--gap);padding-bottom:96px}
}
@media (max-width:519px){
  .jump-tags a{font-size:12.5px;padding:7px 12px}
  .check-item{padding:20px 18px;gap:13px}
  .search-field{flex-direction:column}
  .search-field .btn{width:100%}
}

/* roulang page: category5 */
:root{
  --bg:#05070E;
  --layer:#080D1C;
  --card:#0F1830;
  --card-2:#131E3A;
  --line:rgba(154,178,220,.18);
  --line-strong:rgba(154,178,220,.34);
  --text:#F2F6FF;
  --muted:#A9B7D0;
  --dim:#6E7D99;
  --primary:#6C7BFF;
  --cyan:#43D9E8;
  --gold:#FFC46B;
  --ok:#4BE3A3;
  --danger:#FF6B8A;
  --radius-s:12px;
  --radius-m:20px;
  --radius-l:28px;
  --shadow:0 16px 60px rgba(0,0,0,.35);
  --shadow-soft:0 10px 30px rgba(0,0,0,.28);
  --glow:0 12px 34px rgba(108,123,255,.32);
  --space-section:96px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 10% -12%,rgba(108,123,255,.20),transparent 70%),
    radial-gradient(820px 520px at 92% 2%,rgba(67,217,232,.13),transparent 72%),
    radial-gradient(760px 700px at 50% 112%,rgba(108,123,255,.10),transparent 70%);
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:190px 190px;
  opacity:.30;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--cyan)}
img{display:block;max-width:100%;height:auto;border:0}
button{font-family:inherit;font-size:inherit;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);background:#0A1122;border:1px solid var(--line);border-radius:var(--radius-s);padding:12px 14px;width:100%;min-height:48px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
input::placeholder,textarea::placeholder{color:var(--dim)}
input:focus,select:focus,textarea:focus{outline:none;border-color:rgba(108,123,255,.8);box-shadow:0 0 0 3px rgba(108,123,255,.18);background:#0B1326}
textarea{min-height:132px;resize:vertical;line-height:1.8}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.container{width:min(1240px,calc(100% - 64px));margin:0 auto;position:relative;z-index:2}
main{position:relative;z-index:1}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,filter .18s ease,color .18s ease;
}
.btn--primary{background:linear-gradient(118deg,#5A67F2 0%,#2FA9BC 100%);color:#FFFFFF;box-shadow:0 8px 24px rgba(80,110,240,.24)}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 34px rgba(90,115,240,.4);color:#FFFFFF}
.btn--primary:active{transform:translateY(0);filter:brightness(.98)}
.btn--ghost{background:rgba(255,255,255,.02);border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:rgba(108,123,255,.62);background:rgba(108,123,255,.10);color:#fff;transform:translateY(-1px)}
.btn--sm{min-height:42px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--muted);
  background:rgba(108,123,255,.10);border:1px solid rgba(108,123,255,.26);
}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(67,217,232,.9)}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:999px;
  font-size:13px;color:var(--muted);
  border:1px solid var(--line);background:rgba(15,24,48,.7);
}
.chip:hover{color:var(--cyan);border-color:rgba(67,217,232,.45)}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:20px;left:0;right:0;z-index:60;display:flex;justify-content:center;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;position:relative;
  width:min(1180px,100%);
  display:flex;align-items:center;gap:18px;
  padding:10px 20px;border-radius:22px;
  background:rgba(9,14,30,.72);
  border:1px solid var(--line);
  box-shadow:0 16px 60px rgba(0,0,0,.45);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.dock.is-scrolled{background:rgba(8,12,26,.92);border-color:rgba(154,178,220,.30);box-shadow:0 18px 50px rgba(0,0,0,.55),0 0 0 1px rgba(108,123,255,.10)}
.logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--text)}
.logo:hover{color:var(--text)}
.logo__mark{
  position:relative;width:36px;height:36px;border-radius:12px;
  background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.9),transparent 42%),linear-gradient(140deg,#2B3A86,#123B58);
  border:1px solid rgba(108,123,255,.55);
  box-shadow:inset 0 0 14px rgba(67,217,232,.35);
  overflow:hidden;
}
.logo__mark::after{
  content:"";position:absolute;inset:0;border-radius:12px;
  background:
    radial-gradient(circle at 70% 72%,rgba(67,217,232,.85) 0 2px,transparent 3px),
    radial-gradient(circle at 34% 66%,rgba(255,196,107,.85) 0 1.6px,transparent 2.6px),
    conic-gradient(from 200deg at 50% 50%,transparent 0 62%,rgba(108,123,255,.55) 76%,transparent 92%);
}
.logo__text{display:flex;flex-direction:column;line-height:1.12}
.logo__main{font-size:18px;font-weight:800;letter-spacing:.02em}
.logo__sub{font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--muted)}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock__nav a{
  position:relative;display:inline-flex;align-items:center;
  min-height:38px;padding:0 12px;border-radius:12px;
  font-size:14px;color:var(--muted);
  transition:color .18s ease,background .18s ease;
}
.dock__nav a:hover{color:var(--text);background:rgba(108,123,255,.10)}
.dock__nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:18px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--primary));
  transition:transform .2s ease;
}
.dock__nav a.is-active{color:#fff}
.dock__nav a.is-active::after{transform:translateX(-50%) scaleX(1)}
.dock__actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.dock__search{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  color:var(--muted);cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.dock__search:hover{color:var(--cyan);border-color:rgba(67,217,232,.5);background:rgba(67,217,232,.08)}
.dock__search svg{width:18px;height:18px}
.dock__toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  color:var(--text);cursor:pointer;
}
.dock__toggle svg{width:20px;height:20px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:152px 0 76px;overflow:hidden}
.hero::before{
  content:"";position:absolute;left:-6%;right:-6%;top:-14%;height:132%;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.20;filter:saturate(.85);
  -webkit-mask-image:linear-gradient(180deg,#000 42%,transparent 96%);
  mask-image:linear-gradient(180deg,#000 42%,transparent 96%);
  z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(154,178,220,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(154,178,220,.07) 1px,transparent 1px);
  background-size:88px 88px;
  -webkit-mask-image:radial-gradient(70% 60% at 30% 30%,#000,transparent 78%);
  mask-image:radial-gradient(70% 60% at 30% 30%,#000,transparent 78%);
}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{
  margin-top:20px;
  font-size:clamp(34px,4.2vw,52px);
  line-height:1.18;font-weight:800;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;background:linear-gradient(96deg,#8E9BFF,#43D9E8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__lead{margin-top:18px;max-width:620px;font-size:16.5px;line-height:1.9;color:var(--muted)}
.hero__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.help-search{
  display:flex;gap:8px;align-items:center;
  margin-top:28px;padding:8px;
  background:rgba(15,24,48,.86);
  border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-soft);
  max-width:620px;
}
.help-search input{flex:1;background:transparent;border:0;min-height:48px;padding:0 14px;font-size:15px}
.help-search input:focus{box-shadow:none;background:transparent}
.help-search .btn{flex:0 0 auto}
.hero__hint{margin-top:12px;font-size:13px;color:var(--dim)}
.hero__card{
  border-radius:var(--radius-l);
  background:linear-gradient(180deg,rgba(19,30,58,.92),rgba(10,16,32,.92));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero__card-media{position:relative;aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line)}
.hero__card-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero__card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,0) 40%,rgba(5,7,14,.82) 100%)}
.hero__card-badge{position:absolute;left:16px;bottom:16px;z-index:2;display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;font-size:12.5px;color:#fff;background:rgba(9,14,30,.78);border:1px solid rgba(67,217,232,.42)}
.hero__card-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px rgba(75,227,163,.9)}
.hero__card-body{padding:24px 26px 28px}
.hero__card-body h2{font-size:19px;font-weight:700;margin-bottom:10px}
.mini-list{display:grid;gap:12px;margin-top:16px}
.mini-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--muted);line-height:1.75}
.mini-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;background:linear-gradient(140deg,var(--cyan),var(--primary));box-shadow:0 0 10px rgba(67,217,232,.55)}

/* ---------- 板块通用 ---------- */
.section{padding:var(--space-section) 0;position:relative}
.section--tight{padding:64px 0}
.section__head{max-width:760px;margin-bottom:42px}
.section__label{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.12em;color:var(--cyan);text-transform:uppercase}
.section__label::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.section h2{margin:14px 0 14px;font-size:clamp(26px,3vw,38px);line-height:1.28;font-weight:800;letter-spacing:-.01em}
.section__desc{font-size:16px;color:var(--muted);line-height:1.9;max-width:680px}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(154,178,220,.28),transparent)}

/* ---------- 帮助主题卡 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{
  position:relative;display:flex;flex-direction:column;
  padding:26px;border-radius:var(--radius-m);
  background:linear-gradient(180deg,var(--card-2),var(--card));
  border:1px solid var(--line);
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.topic-card:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.55);box-shadow:0 18px 42px rgba(0,0,0,.4)}
.topic-card__icon{
  display:grid;place-items:center;
  width:46px;height:46px;border-radius:14px;
  color:var(--cyan);
  background:rgba(108,123,255,.14);
  border:1px solid rgba(108,123,255,.28);
}
.topic-card__icon svg{width:22px;height:22px}
.topic-card h3{margin:18px 0 8px;font-size:20px;font-weight:700;line-height:1.4}
.topic-card p{font-size:14.5px;color:var(--muted);line-height:1.85;margin-bottom:18px}
.topic-card__meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.topic-card__meta span{font-size:12.5px;color:var(--dim);padding:4px 10px;border-radius:999px;border:1px solid var(--line)}

/* ---------- 自助排查时间线 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  position:relative;padding:24px 22px;border-radius:var(--radius-m);
  background:rgba(15,24,48,.72);border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease;
}
.step:hover{border-color:rgba(67,217,232,.5);transform:translateY(-3px)}
.step__num{font-size:12px;letter-spacing:.18em;color:var(--dim)}
.step__num strong{display:block;margin-top:6px;font-size:26px;font-weight:800;letter-spacing:-.02em;background:linear-gradient(120deg,#9AA6FF,#43D9E8);-webkit-background-clip:text;background-clip:text;color:transparent}
.step h3{margin:14px 0 8px;font-size:17px;font-weight:700}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:44px;align-items:start}
.faq-side{position:sticky;top:120px}
.faq-hint{margin-top:16px;font-size:13.5px;color:var(--dim);min-height:22px}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:rgba(15,24,48,.72);overflow:hidden;transition:border-color .2s ease,background .2s ease}
.faq-item:hover{border-color:rgba(108,123,255,.45)}
.faq-item.is-open{border-color:rgba(108,123,255,.6);background:rgba(19,30,58,.9)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:19px 22px;border:0;background:none;cursor:pointer;
  text-align:left;font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-icon{position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);transition:transform .25s ease,border-color .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--cyan);border-radius:2px}
.faq-icon::before{width:11px;height:1.6px;transform:translate(-50%,-50%)}
.faq-icon::after{width:1.6px;height:11px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:rgba(67,217,232,.6)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-item.is-open .faq-a{max-height:520px}
.faq-a__inner{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.9}
.faq-empty{margin-top:16px;padding:26px;border:1px dashed var(--line-strong);border-radius:16px;text-align:center;color:var(--dim);font-size:14.5px}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:32px;align-items:start}
.form-card{
  padding:32px;border-radius:var(--radius-l);
  background:linear-gradient(180deg,rgba(19,30,58,.9),rgba(10,16,32,.94));
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.form-card h2{font-size:24px;font-weight:800;margin-bottom:8px}
.form-card .form-sub{font-size:14.5px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:8px;font-size:14px;font-weight:600;color:var(--muted)}
.field label span{color:var(--danger);margin-left:2px}
.field--half{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.notice{padding:14px 16px;border-radius:14px;font-size:14.5px;line-height:1.75;margin-bottom:20px}
.notice--ok{border:1px solid rgba(75,227,163,.42);background:rgba(75,227,163,.10);color:#C9F7E3}
.notice--error{border:1px solid rgba(255,107,138,.45);background:rgba(255,107,138,.10);color:#FFD6DF}
.info-card{padding:28px;border-radius:var(--radius-l);background:rgba(15,24,48,.8);border:1px solid var(--line)}
.info-card h3{font-size:19px;font-weight:700;margin-bottom:14px}
.info-list{display:grid;gap:16px}
.info-list li{padding-left:20px;position:relative;font-size:14.5px;color:var(--muted);line-height:1.85}
.info-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;border:2px solid rgba(67,217,232,.75)}
.info-note{margin-top:22px;padding:16px;border-radius:14px;border:1px solid rgba(255,196,107,.34);background:rgba(255,196,107,.08);font-size:13.5px;color:#FFE2B8;line-height:1.8}

/* ---------- 相关栏目 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-m);border:1px solid var(--line);
  background:rgba(15,24,48,.7);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(108,123,255,.55);box-shadow:0 18px 40px rgba(0,0,0,.4)}
.rel-card__media{aspect-ratio:4/3;overflow:hidden;position:relative}
.rel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-card__media img{transform:scale(1.02)}
.rel-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,0) 45%,rgba(5,7,14,.78) 100%)}
.rel-card__body{padding:16px 18px 20px}
.rel-card__body h3{font-size:16px;font-weight:700;margin-bottom:6px}
.rel-card__body p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  padding:64px 48px;border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(24,34,72,.95),rgba(9,14,30,.95));
  text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.16;z-index:0;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.32}
.cta-band p{margin:16px auto 0;max-width:640px;font-size:15.5px;color:var(--muted);line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}

/* ---------- 页脚 ---------- */
.footer{position:relative;z-index:1;margin-top:40px;padding:72px 0 34px;background:#04060C;border-top:1px solid rgba(154,178,220,.16)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot-brand p{margin-top:18px;font-size:14px;color:var(--dim);line-height:1.9;max-width:320px}
.foot-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px}
.foot-list{display:grid;gap:10px}
.foot-list a,.foot-list span{font-size:14px;color:var(--muted)}
.foot-list a:hover{color:var(--cyan)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(154,178,220,.14);
  font-size:13px;color:var(--dim);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:0 24px;min-height:52px;border-radius:999px;
  background:linear-gradient(118deg,#5A67F2,#2FA9BC);color:#fff;
  font-size:15px;font-weight:600;
  box-shadow:0 14px 36px rgba(90,115,240,.36);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,filter .2s ease;
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{filter:brightness(1.08);color:#fff}
.float-cta svg{width:18px;height:18px}

/* ---------- 搜索浮层 ---------- */
.search-overlay{
  position:fixed;inset:0;z-index:90;
  display:none;padding:120px 20px 40px;
  background:rgba(3,5,12,.76);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.search-overlay.is-open{display:flex;justify-content:center;align-items:flex-start}
.search-panel{
  width:min(640px,100%);padding:28px;border-radius:24px;
  background:linear-gradient(180deg,rgba(19,30,58,.98),rgba(10,16,32,.98));
  border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.search-panel__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.search-panel__head h2{font-size:19px;font-weight:700}
.search-close{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted);cursor:pointer;display:grid;place-items:center}
.search-close:hover{color:#fff;border-color:rgba(255,107,138,.5)}
.search-panel form{display:flex;gap:8px}
.search-hot{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.search-hot button{cursor:pointer}

/* ---------- 入场动效 ---------- */
.js-ready .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.js-ready .reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .dock__nav a{padding:0 9px;font-size:13.5px}
}
@media (max-width:1023px){
  :root{--space-section:80px}
  .container{width:calc(100% - 48px)}
  .dock__nav{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;border-radius:20px;
    background:rgba(9,14,30,.97);border:1px solid var(--line);
    box-shadow:0 24px 60px rgba(0,0,0,.55);
  }
  .dock__nav a{min-height:44px;padding:0 14px;font-size:14.5px}
  .dock__nav a::after{left:14px;transform:translateX(0) scaleX(0);bottom:8px}
  .dock__nav a.is-active::after{transform:translateX(0) scaleX(1)}
  .dock.is-open .dock__nav{display:flex}
  .dock__toggle{display:inline-flex}
  .dock__search{display:none}
  .hero{padding:132px 0 64px}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .contact-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  :root{--space-section:56px}
  body{font-size:15.5px}
  .container{width:calc(100% - 40px)}
  .dock-wrap{top:12px;padding:0 10px}
  .dock{padding:8px 12px;gap:10px;border-radius:18px}
  .logo__main{font-size:16px}
  .logo__sub{font-size:10px;letter-spacing:.1em}
  .logo__mark{width:32px;height:32px;border-radius:10px}
  .dock__actions .btn--sm{display:none}
  .hero{padding:118px 0 48px}
  .hero h1{font-size:clamp(30px,8vw,38px)}
  .hero__lead{font-size:15.5px}
  .help-search{flex-direction:column;align-items:stretch;padding:10px;gap:10px}
  .help-search .btn{width:100%}
  .topic-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .section__head{margin-bottom:28px}
  .cta-band{padding:40px 22px}
  .form-card{padding:22px}
  .field--half{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .float-cta{
    left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));
    justify-content:center;min-height:52px;
  }
  .faq-q{font-size:15.5px;padding:16px 16px}
  .faq-a__inner{padding:0 16px 18px}
  .search-overlay{padding:88px 14px 30px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .js-ready .reveal{opacity:1;transform:none}
}