/* roulang page: index */
:root{
  --bg:#05080F;
  --bg-2:#0A1120;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.028);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --primary:#17E6C0;
  --primary-h:#3DF2D1;
  --primary-a:#0FC6A6;
  --blue:#2F6BFF;
  --amber:#FFB627;
  --text:#E6ECF5;
  --muted:#9AA7BD;
  --disabled:#56617A;
  --danger:#FF6B5E;
  --r-card:18px;
  --r-block:24px;
  --r-btn:12px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.7);
  --shadow-deep:0 26px 52px -26px rgba(0,0,0,.85);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::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:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(23,230,192,.28)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative;z-index:1}
.section-tight{padding:72px 0}
.mono{font-family:"Inter",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:20px;left:0;right:0;
  z-index:70;
  display:flex;
  justify-content:center;
  padding:0 24px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;
  max-width:1120px;
  height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 14px 0 18px;
  border-radius:999px;
  background:rgba(10,17,28,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 26px 60px -34px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.07);
  transition:height .25s var(--ease),max-width .3s var(--ease),background .25s var(--ease);
}
.dock.is-compact{height:56px;max-width:980px;background:rgba(8,14,24,.9)}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:28px;height:28px;flex:0 0 28px;
  display:grid;place-items:center;
  border-radius:9px;
  background:linear-gradient(150deg,rgba(23,230,192,.22),rgba(47,107,255,.16));
  border:1px solid rgba(23,230,192,.32);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:15px;font-weight:700;letter-spacing:.01em}
.logo-sub{font-size:11.5px;color:var(--muted);font-weight:500;letter-spacing:.02em}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 15px;
  border-radius:999px;
  font-size:14px;font-weight:500;
  color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.055)}
.nav-link.active{color:var(--primary);background:rgba(23,230,192,.1)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:999px;background:var(--primary);
  box-shadow:0 0 10px rgba(23,230,192,.9);
}
.dock-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--line-2);
  color:var(--muted);font-size:14px;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(23,230,192,.55);transform:translateY(-2px)}
.dock-burger{display:none}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:500;letter-spacing:.01em;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{
  background:var(--primary);
  color:#04140F;
  font-weight:700;
  box-shadow:0 10px 30px -12px rgba(23,230,192,.6),inset 0 0 0 1px rgba(23,230,192,.75);
}
.btn-primary:hover{background:var(--primary-h);transform:translateY(-2px);box-shadow:0 16px 36px -14px rgba(23,230,192,.75),inset 0 0 0 1px rgba(23,230,192,.9)}
.btn-primary:active{background:var(--primary-a);transform:scale(.98)}
.btn-ghost{
  border-color:rgba(255,255,255,.14);
  background:rgba(255,255,255,.02);
  color:var(--text);
}
.btn-ghost:hover{border-color:rgba(23,230,192,.6);color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:11px}
.btn-lg{height:56px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:500;
}
.link-more i{transition:transform .2s var(--ease)}
.link-more:hover i{transform:translateX(3px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;
  border-radius:999px;
  font-size:12px;line-height:1;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);
  color:var(--muted);
  white-space:nowrap;
}
.badge-blue{border-color:rgba(47,107,255,.38);background:rgba(47,107,255,.13);color:#A6BCFF}
.badge-amber{border-color:rgba(255,182,39,.38);background:rgba(255,182,39,.12);color:var(--amber)}
.badge-cyan{border-color:rgba(23,230,192,.36);background:rgba(23,230,192,.12);color:var(--primary)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 卡片 ============ */
.card{
  position:relative;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.07);
  overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.2);box-shadow:var(--shadow-deep),inset 0 1px 0 rgba(255,255,255,.11)}
.card-img{position:relative;overflow:hidden;background:var(--bg-2)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.card:hover .card-img img{transform:scale(1.03)}
.ratio-16-10{aspect-ratio:16/10}
.ratio-16-9{aspect-ratio:16/9}
.ratio-4-3{aspect-ratio:4/3}
.card-body{padding:22px 24px 24px}

/* ============ Hero ============ */
.hero{position:relative;padding:158px 0 72px;z-index:1}
.hero::after{
  content:"";position:absolute;left:50%;top:-120px;transform:translateX(-50%);
  width:900px;height:520px;pointer-events:none;z-index:-1;
  background:radial-gradient(ellipse at center,rgba(23,230,192,.09),transparent 68%);
}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.02em;
}
.hero-title span{color:var(--primary)}
.hero-sub{
  margin-top:18px;
  font-size:clamp(15px,1.4vw,17px);
  color:var(--muted);
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:22px;
  margin-top:34px;padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.hero-trust i{color:var(--primary);font-size:14px}
.hero-media{
  position:relative;
  border-radius:var(--r-block);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-deep),inset 0 1px 0 rgba(255,255,255,.08);
  aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media-veil{
  position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(5,8,15,.12) 0%,rgba(5,8,15,.42) 58%,rgba(5,8,15,.86) 100%);
}
.hero-chip{
  position:absolute;left:18px;bottom:18px;right:18px;
  display:flex;flex-wrap:wrap;gap:10px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(10,17,28,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.hero-chip-line{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted)}
.hero-chip-line b{color:var(--text);font-weight:500}
.stars{color:var(--amber);letter-spacing:1px;font-size:12px}
.dot-live{width:7px;height:7px;border-radius:999px;background:var(--primary);box-shadow:0 0 8px rgba(23,230,192,.9)}

/* ============ 数据细条 ============ */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.012)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:30px 26px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:.01em;font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;color:var(--primary);font-size:.62em;margin-left:2px}
.stat-label{margin-top:6px;font-size:13px;color:var(--muted)}

/* ============ 板块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.6vw,34px);line-height:1.3;font-weight:700;letter-spacing:.01em}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;max-width:620px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--primary);
  margin-bottom:14px;letter-spacing:.06em;
}
.section-tag::before{content:"";width:18px;height:1px;background:var(--primary);opacity:.7}

/* ============ 12 栅格 ============ */
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.span-4{grid-column:span 4}

/* 大卡 */
.feature-xl{display:flex;flex-direction:column}
.feature-xl .card-img{aspect-ratio:16/9}
.feature-xl .card-body{display:flex;flex-direction:column;gap:14px;padding:26px 28px 28px}
.feature-title{font-size:20px;font-weight:500;line-height:1.45}
.feature-desc{color:var(--muted);font-size:14.5px;line-height:1.8}
.feature-xl .card-body .btn{margin-top:auto}
/* 中卡 */
.feature-md{display:flex;flex-direction:column}
.feature-md .card-img{aspect-ratio:16/11}
.feature-md .card-body{display:flex;flex-direction:column;gap:14px;padding:26px 28px 28px}
/* 小卡 */
.card-sm{display:flex;flex-direction:column}
.card-sm .card-img{aspect-ratio:16/10}
.card-sm .card-body{display:flex;flex-direction:column;gap:12px;padding:22px 24px 24px}
.card-sm h3{font-size:17px;font-weight:500;line-height:1.5}
.card-sm p{color:var(--muted);font-size:14px;line-height:1.78}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
.price{color:var(--amber);font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}
.price small{font-size:12.5px;color:var(--muted);font-weight:400;margin-left:4px}

/* ============ 评价轮播 ============ */
.reel-head-controls{display:flex;gap:10px}
.round-btn{
  width:42px;height:42px;border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--line-2);
  color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.round-btn:hover{color:var(--primary);border-color:rgba(23,230,192,.55);transform:translateY(-2px);background:rgba(23,230,192,.06)}
.reel{
  display:flex;gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 18px;
  scrollbar-width:none;
}
.reel::-webkit-scrollbar{display:none}
.reel-card{
  flex:0 0 320px;
  scroll-snap-align:start;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.07);
  padding:24px;
  display:flex;flex-direction:column;gap:14px;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.reel-card:hover{border-color:rgba(255,255,255,.2);transform:translateY(-2px)}
.reel-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:999px;flex:0 0 40px;
  display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#04140F;
  background:linear-gradient(140deg,var(--primary),#2F6BFF);
}
.reel-name{font-size:14.5px;font-weight:500;line-height:1.3}
.reel-role{font-size:12.5px;color:var(--muted)}
.reel-text{font-size:14.5px;color:#CFD9E8;line-height:1.78;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.reel-dots{display:none;justify-content:center;gap:7px;margin-top:6px}
.reel-dot{width:7px;height:7px;border-radius:999px;background:rgba(255,255,255,.2);transition:background .2s var(--ease),width .2s var(--ease)}
.reel-dot.active{background:var(--primary);width:20px}

/* ============ 保障条 ============ */
.guard-bar{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guard-item{display:flex;align-items:center;gap:12px;padding:26px 22px;border-right:1px solid var(--line)}
.guard-item:last-child{border-right:0}
.guard-item i{font-size:20px;color:var(--primary);width:22px;text-align:center}
.guard-item span{font-size:14px;color:#CFD9E8}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:24px;align-items:stretch}
.news-feature{display:flex;flex-direction:column}
.news-feature .card-img{aspect-ratio:4/3;flex:0 0 auto}
.news-feature .card-body{display:flex;flex-direction:column;gap:12px;padding:24px 26px 26px;flex:1}
.news-feature h3{font-size:18px;font-weight:500;line-height:1.5}
.news-feature p{font-size:14px;color:var(--muted);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-row{
  display:flex;align-items:center;gap:18px;
  padding:20px 22px;
  border-radius:var(--r-card);
  background:var(--glass-2);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.news-row:hover{border-color:rgba(23,230,192,.42);transform:translateY(-2px);background:rgba(23,230,192,.045)}
.news-row-main{flex:1;min-width:0}
.news-row h3{font-size:16px;font-weight:500;line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-row p{margin-top:7px;font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12.5px;color:var(--muted)}
.news-meta .sep{width:4px;height:4px;border-radius:999px;background:rgba(255,255,255,.25)}
.news-row > i{color:var(--muted);font-size:14px;transition:color .2s var(--ease),transform .2s var(--ease)}
.news-row:hover > i{color:var(--primary);transform:translateX(3px)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:64px 24px;text-align:center;
  border-radius:var(--r-block);
  background:var(--glass-2);
  border:1px dashed rgba(255,255,255,.16);
}
.empty-state i{font-size:26px;color:var(--muted)}
.empty-state p{color:var(--muted);font-size:14.5px}

/* ============ CTA ============ */
.cta-block{
  position:relative;overflow:hidden;
  border-radius:var(--r-block);
  border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(12,20,34,.96),rgba(6,10,18,.98));
  box-shadow:var(--shadow-deep),inset 0 1px 0 rgba(255,255,255,.07);
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:64px;
}
.cta-block::before{
  content:"";position:absolute;right:-120px;top:-140px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(23,230,192,.10),transparent 66%);
  pointer-events:none;
}
.cta-copy{position:relative;max-width:660px}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35}
.cta-copy p{margin-top:14px;color:var(--muted);font-size:15px}
.cta-actions{position:relative;display:flex;gap:14px;flex-shrink:0}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start}
.faq-intro h2{font-size:clamp(22px,2.6vw,34px);font-weight:700;line-height:1.3}
.faq-intro p{margin-top:16px;color:var(--muted);font-size:15px;max-width:380px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass-2);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item.open{border-color:rgba(23,230,192,.34);background:rgba(23,230,192,.035)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 22px;
  text-align:left;
  font-size:15.5px;font-weight:500;
  color:var(--text);
}
.faq-plus{
  position:relative;flex:0 0 18px;width:18px;height:18px;
  transition:transform .2s var(--ease);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-plus::before{left:0;top:8px;width:18px;height:2px}
.faq-plus::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s var(--ease)}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.85}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(10,17,28,.6),rgba(5,8,15,.98));position:relative;z-index:1}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 48px}
.footer-brand{display:flex;flex-direction:column;gap:16px;max-width:340px}
.footer-brand .logo-main{font-size:16px}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.8}
.footer-col h4{font-size:13px;font-weight:500;color:var(--text);letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 0 32px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:var(--muted);
}
.footer-bottom .mono{color:#7E8BA3}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(4,7,13,.86);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:88px 24px 28px;
  display:none;
  flex-direction:column;
}
.drawer.open{display:flex}
.drawer-close{
  position:absolute;top:26px;right:24px;
  width:42px;height:42px;border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--text);
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.drawer-nav a{
  font-size:18px;font-weight:500;color:var(--text);
  padding:14px 16px;border-radius:14px;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.drawer-nav a.active{color:var(--primary);background:rgba(23,230,192,.09);border-color:rgba(23,230,192,.28)}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line)}
.drawer-foot p{font-size:13px;color:var(--muted);margin-bottom:16px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero{padding-top:146px}
}
@media (max-width:1024px){
  .section{padding:76px 0}
  .hero{padding:136px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{aspect-ratio:16/10}
  .span-7,.span-5{grid-column:span 12}
  .span-4{grid-column:span 6}
  .news-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .cta-block{flex-direction:column;align-items:flex-start;gap:32px;padding:44px 40px}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{max-width:none}
}
@media (max-width:900px){
  .dock-nav{display:none}
  .dock-tools .btn{display:none}
  .dock-burger{display:grid}
  .dock{justify-content:space-between}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .guard-bar{grid-template-columns:repeat(2,1fr)}
  .guard-item:nth-child(2){border-right:0}
  .guard-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .reel-dots{display:flex}
  .reel-head-controls{display:none}
}
@media (max-width:768px){
  .dock-wrap{top:14px;padding:0 14px}
  .dock{height:58px;padding:0 10px 0 14px;gap:10px}
  .dock.is-compact{height:54px}
  .logo-main{font-size:14px}
  .logo-sub{font-size:10.5px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .hero{padding:112px 0 40px}
  .hero-actions .btn{width:100%}
  .hero-trust{gap:14px;flex-direction:column;align-items:flex-start}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .grid-12{gap:16px}
  .span-4{grid-column:span 12}
  .card-body{padding:20px}
  .price{font-size:20px}
  .reel-card{flex:0 0 84%}
  .cta-block{padding:34px 24px;border-radius:20px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .news-row{padding:18px 16px;gap:14px}
  .footer-top{grid-template-columns:1fr;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .dock-wrap{padding:0 10px}
  .logo-sub{display:none}
  .stats-grid{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 6px}
  .stat-item:last-child{border-bottom:0}
  .guard-bar{grid-template-columns:1fr}
  .guard-item{border-right:0;border-bottom:1px solid var(--line)}
  .guard-item:last-child{border-bottom:0}
  .hero-chip{left:12px;right:12px;bottom:12px;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg:#05080F;
  --bg-2:#0A1120;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(10,17,28,.72);
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.06);
  --main:#17E6C0;
  --main-hover:#3DF2D1;
  --main-active:#0FC6A6;
  --blue:#2F6BFF;
  --amber:#FFB627;
  --text:#E6ECF5;
  --muted:#9AA7BD;
  --disabled:#56617A;
  --danger:#FF6B5E;
  --r-card:18px;
  --r-block:24px;
  --r-btn:12px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.7);
  --shadow-glow:0 10px 30px -10px rgba(23,230,192,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:Inter,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::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:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.mono{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ 阅读进度条 ============ */
.progress-track{position:fixed;top:0;left:0;right:0;height:2px;background:transparent;z-index:300;pointer-events:none}
.progress-bar{height:2px;width:0;background:linear-gradient(90deg,var(--main),var(--blue));transition:width .1s linear}

/* ============ 浮动 Dock 导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;padding:20px 24px 0;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1120px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 12px 0 18px;
  border-radius:999px;
  background:var(--glass-strong);
  border:1px solid var(--line);
  box-shadow:0 20px 40px -26px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.dock.is-scrolled{height:56px;background:rgba(8,13,24,.9);box-shadow:0 18px 36px -22px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.06)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:9px;background:rgba(23,230,192,.1);border:1px solid rgba(23,230,192,.28)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:15px;font-weight:700;letter-spacing:.04em}
.logo-sub{font-size:13px;font-weight:500;color:var(--muted)}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:14px;
  color:var(--muted);
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--main);background:rgba(23,230,192,.08)}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--main);box-shadow:0 0 8px rgba(23,230,192,.8)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:8px}
.icon-btn{
  width:38px;height:38px;border-radius:999px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--main);border-color:rgba(23,230,192,.5);background:rgba(23,230,192,.06)}
.menu-btn{display:none;width:38px;height:38px;border-radius:999px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--text)}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;letter-spacing:.02em;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:56px;padding:0 30px;font-size:16px}
.btn-primary{
  background:var(--main);color:#04211C;font-weight:700;
  box-shadow:var(--shadow-glow), inset 0 0 0 1px rgba(23,230,192,.7);
}
.btn-primary:hover{background:var(--main-hover);transform:translateY(-2px)}
.btn-primary:active{background:var(--main-active)}
.btn-ghost{border:1px solid rgba(255,255,255,.12);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:rgba(23,230,192,.5);color:var(--main);transform:translateY(-2px)}
.btn-outline-blue{border:1px solid rgba(47,107,255,.45);color:#B9CBFF;background:rgba(47,107,255,.06)}
.btn-outline-blue:hover{background:rgba(47,107,255,.14);transform:translateY(-2px)}
.text-link{color:var(--main);font-size:14px;display:inline-flex;align-items:center;gap:6px}
.text-link svg{transition:transform .2s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

/* 移动抽屉 */
.drawer{
  pointer-events:auto;
  position:fixed;inset:0;top:0;z-index:190;
  background:rgba(5,8,15,.94);
  backdrop-filter:blur(16px);
  padding:104px 24px 32px;
  display:none;
  flex-direction:column;
  gap:8px;
}
.drawer.is-open{display:flex}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  font-size:18px;padding:14px 16px;border-radius:14px;
  color:var(--muted);border:1px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--main);border-color:rgba(23,230,192,.25);background:rgba(23,230,192,.06)}
.drawer-cta{margin-top:auto;width:100%}

/* ============ 页面主体 ============ */
main{position:relative;z-index:1;padding-top:118px;padding-bottom:96px}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);flex-wrap:wrap;margin-bottom:22px}
.crumb a:hover{color:var(--main)}
.crumb .sep{color:var(--disabled)}
.crumb .current{color:var(--text)}
.section-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;color:#B9CBFF;background:rgba(47,107,255,.1);
  border:1px solid rgba(47,107,255,.25);
}
.section-title{font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:8px}
.section-line{width:44px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--blue),rgba(47,107,255,0));margin:14px 0 26px}

/* 文章头 */
.article-head{max-width:820px}
.article-head h1{
  font-size:clamp(26px,4.2vw,40px);
  line-height:1.34;
  font-weight:700;
  letter-spacing:.02em;
  margin:16px 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted);margin-bottom:26px}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--disabled);display:inline-block}
.meta-chip{padding:3px 10px;border-radius:999px;font-size:12px;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--muted)}
.cover-figure{margin:0 0 34px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);position:relative}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.cover-figure:hover img{transform:scale(1.02)}
.cover-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:12px;color:var(--muted);background:linear-gradient(180deg,rgba(5,8,15,0),rgba(5,8,15,.85))}
.lead-block{
  display:flex;gap:14px;
  padding:16px 20px;margin-bottom:36px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  border-left:3px solid var(--main);
  font-size:15px;color:#C7D2E4;
}

/* 正文布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 200px;gap:56px;justify-content:center;align-items:start}
.article-content{min-width:0;font-size:16px;line-height:1.9;color:#D8E1EE}
.article-content > *:first-child{margin-top:0}
.article-content h2{
  position:relative;
  font-size:clamp(20px,2.3vw,26px);
  line-height:1.4;
  margin:2.4em 0 .8em;
  padding-left:16px;
}
.article-content h2::before{content:"";position:absolute;left:0;top:.42em;width:3px;height:18px;border-radius:2px;background:var(--main)}
.article-content h3{font-size:18px;font-weight:500;line-height:1.5;margin:1.8em 0 .6em;color:#EAF1FA}
.article-content h4{font-size:16px;font-weight:500;margin:1.5em 0 .5em;color:#EAF1FA}
.article-content p{margin:0 0 1.4em}
.article-content strong{color:#fff;font-weight:700}
.article-content ul{margin:0 0 1.5em}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:.6em}
.article-content ul li::before{content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;border-radius:1px;background:var(--main)}
.article-content ol{margin:0 0 1.5em;padding-left:1.5em;list-style:decimal}
.article-content ol li{margin-bottom:.6em;padding-left:2px}
.article-content ol li::before{content:none}
.article-content blockquote{
  margin:0 0 1.6em;padding:16px 22px;
  border-left:3px solid var(--blue);
  background:rgba(255,255,255,.06);
  border-radius:12px;
  color:#C7D2E4;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:14px;margin:1.6em 0 .6em;border:1px solid var(--line-soft)}
.article-content figure{margin:1.6em 0}
.article-content figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:8px}
.article-content a{color:var(--main);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--main-hover)}
.article-content code{font-family:var(--font-num);font-size:14px;background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;color:#B9F5E7}
.article-content pre{
  background:var(--bg-2);border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;overflow-x:auto;margin:0 0 1.6em;font-family:var(--font-num);font-size:14px;line-height:1.7;color:#C7F5EA;
}
.article-content pre code{background:none;padding:0;color:inherit}
.article-content table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:0 0 1.8em;font-size:14px;
}
.article-content th{background:rgba(10,17,32,.95);color:#EAF1FA;font-weight:500;text-align:left}
.article-content th,.article-content td{padding:12px 16px;border:1px solid var(--line);white-space:nowrap}
.article-content tbody tr:nth-child(even) td{background:rgba(255,255,255,.025)}
.article-content hr{border:none;height:1px;background:var(--line);margin:2.4em 0}

/* 侧边目录 */
.toc{position:sticky;top:104px;font-size:13px;color:var(--muted)}
.toc-title{font-size:13px;font-weight:500;color:var(--text);letter-spacing:.06em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.toc-title::before{content:"";width:3px;height:14px;background:var(--blue);border-radius:2px}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);padding-left:0}
.toc-list a{
  position:relative;display:block;padding:7px 0 7px 14px;
  color:var(--muted);line-height:1.5;border-left:2px solid transparent;margin-left:-1px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--text)}
.toc-list a.is-active{color:var(--main);border-left-color:var(--main)}
.toc-list a.level-3{padding-left:26px;font-size:12.5px}

/* 空态 */
.empty-state{
  padding:56px 28px;text-align:center;border-radius:var(--r-card);
  border:1px dashed var(--line);background:var(--glass);
}
.empty-state svg{margin:0 auto 16px;display:block;color:var(--disabled)}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:14px;margin-bottom:22px}

/* 文末区 */
.article-foot{margin-top:56px;padding-top:32px;border-top:1px solid var(--line-soft)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:26px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:12.5px;color:var(--muted);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:all .2s var(--ease);
}
.tag:hover{color:var(--main);border-color:rgba(23,230,192,.4)}
.action-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:36px}
.pill-btn{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:14px;
  transition:all .2s var(--ease);
}
.pill-btn:hover{color:var(--main);border-color:rgba(23,230,192,.5);background:rgba(23,230,192,.06)}
.nav-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:34px}
.nav-card{
  display:block;padding:20px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-card:hover{transform:translateY(-2px);border-color:rgba(23,230,192,.4);box-shadow:var(--shadow-card)}
.nav-card span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:8px}
.nav-card strong{display:block;font-size:16px;font-weight:500;line-height:1.5;color:var(--text)}
.nav-card em{font-style:normal;display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;color:var(--main)}

/* 相关推荐 */
.related{margin-top:76px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  display:flex;gap:16px;padding:16px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(23,230,192,.4);box-shadow:var(--shadow-card)}
.rel-thumb{flex:0 0 40%;border-radius:12px;overflow:hidden;background:var(--bg-2)}
.rel-thumb img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{min-width:0;display:flex;flex-direction:column}
.rel-body h3{
  font-size:15px;font-weight:500;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  font-size:13px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:12px;
}
.rel-body em{font-style:normal;font-size:12.5px;color:var(--main);margin-top:auto}

/* CTA 条 */
.cta-band{
  margin-top:72px;
  position:relative;
  display:grid;grid-template-columns:1.4fr auto;gap:40px;align-items:center;
  padding:40px 44px;border-radius:var(--r-block);
  background:var(--bg-2);border:1px solid var(--line);
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(23,230,192,.1),rgba(23,230,192,0) 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);margin-bottom:10px;position:relative;z-index:1}
.cta-band p{color:var(--muted);font-size:15px;position:relative;z-index:1}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.08);background:rgba(6,10,18,.7);padding:64px 0 28px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.9;margin-top:18px;max-width:340px}
.footer-col h4{font-size:14px;font-weight:500;color:var(--text);margin-bottom:18px;letter-spacing:.06em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--main)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .toc{display:none}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:820px){
  .dock-nav{display:none}
  .menu-btn{display:flex}
  .dock-actions .btn-primary{display:none}
}
@media (max-width:768px){
  .site-header{padding:14px 18px 0}
  .dock{height:58px;padding:0 10px 0 14px;gap:10px}
  .dock.is-scrolled{height:54px}
  main{padding-top:104px;padding-bottom:72px}
  .container{padding:0 18px}
  .cta-band{grid-template-columns:1fr;gap:24px;padding:30px 24px}
  .cta-actions .btn{width:100%}
  .nav-cards{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .rel-card{flex-direction:row}
  .footer-top{grid-template-columns:1fr;gap:30px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .article-head h1{font-size:24px}
  .lead-block{font-size:14px;padding:14px 16px}
  .pill-btn{width:100%;justify-content:center}
  .cta-band h2{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg:#05080F;
  --bg-2:#0A1120;
  --bg-3:#0D1526;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --primary:#17E6C0;
  --primary-hover:#3DF2D1;
  --primary-press:#0FC6A6;
  --blue:#2F6BFF;
  --amber:#FFB627;
  --danger:#FF6B5E;
  --text:#E6ECF5;
  --muted:#9AA7BD;
  --disabled:#56617A;
  --r-card:18px;
  --r-block:24px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.7);
  --shadow-glow:0 10px 30px -10px rgba(23,230,192,.55);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%, rgba(0,0,0,.75), transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%, rgba(0,0,0,.75), transparent 72%);
  opacity:.6;
}

img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t),opacity var(--t)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ============ 浮动 Dock 导航 ============ */
.site-header{
  position:fixed;
  top:20px;
  left:0;
  right:0;
  z-index:90;
  display:flex;
  justify-content:center;
  padding:0 18px;
  pointer-events:none;
}

.dock-wrap{
  pointer-events:auto;
  width:100%;
  max-width:1120px;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 14px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(10,17,28,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 22px 44px -30px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.07);
  transition:height var(--t),background var(--t),box-shadow var(--t),border-color var(--t);
}

.site-header.is-scrolled .dock-wrap{
  height:56px;
  background:rgba(7,12,21,.9);
  border-color:var(--line-strong);
  box-shadow:0 24px 50px -28px rgba(0,0,0,1), inset 0 1px 0 rgba(255,255,255,.08);
}

.dock-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

.logo-mark{
  width:28px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:9px;
  background:linear-gradient(160deg, rgba(23,230,192,.2), rgba(47,107,255,.16));
  border:1px solid rgba(23,230,192,.4);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}

.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-main{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--text)}
.logo-sub{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.02em}

.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
  flex-wrap:nowrap;
}

.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{
  color:var(--primary);
  background:rgba(23,230,192,.1);
  box-shadow:inset 0 0 0 1px rgba(23,230,192,.22);
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(23,230,192,.9);
}

.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--muted);
  background:rgba(255,255,255,.03);
  transition:color var(--t),border-color var(--t),background var(--t),transform var(--t);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(23,230,192,.45);background:rgba(23,230,192,.08)}
.icon-btn:active{transform:scale(.96)}

.menu-btn{
  display:none;
  width:38px;height:38px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text);
  background:rgba(255,255,255,.03);
}
.menu-btn:hover{border-color:var(--line-strong)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  letter-spacing:.02em;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:56px;padding:0 30px;font-size:16px}

.btn-primary{
  background:linear-gradient(180deg,var(--primary-hover),var(--primary));
  color:#04231D;
  font-weight:700;
  border:1px solid rgba(23,230,192,.7);
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  background:linear-gradient(180deg,#5BF7DC,var(--primary-hover));
  box-shadow:0 14px 34px -10px rgba(23,230,192,.72);
  transform:translateY(-2px);
}
.btn-primary:active{background:var(--primary-press);transform:translateY(0) scale(.98)}

.btn-ghost{
  border:1px solid rgba(255,255,255,.16);
  color:var(--text);
  background:rgba(255,255,255,.03);
}
.btn-ghost:hover{
  border-color:rgba(23,230,192,.55);
  color:var(--primary);
  background:rgba(23,230,192,.07);
  transform:translateY(-2px);
}

.btn-text{
  height:auto;
  padding:0;
  color:var(--primary);
  font-size:14px;
  font-weight:500;
  gap:6px;
}
.btn-text i{transition:transform var(--t)}
.btn-text:hover i{transform:translateX(3px)}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative}
.section-tight{padding:72px 0}
.section-line{border-top:1px solid rgba(255,255,255,.08)}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 10px rgba(23,230,192,.8);
}

.section-title{
  font-size:clamp(22px,2.6vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.02em;
}
.section-sub{
  margin-top:14px;
  max-width:720px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:500;
  letter-spacing:.04em;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  color:var(--text);
}
.badge-blue{background:rgba(47,107,255,.12);border-color:rgba(47,107,255,.34);color:#9DBAFF}
.badge-amber{background:rgba(255,182,39,.12);border-color:rgba(255,182,39,.34);color:var(--amber)}
.badge-primary{background:rgba(23,230,192,.1);border-color:rgba(23,230,192,.32);color:var(--primary)}

/* ============ 横幅区 ============ */
.page-hero{
  padding:150px 0 84px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.13),transparent);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.75fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.02em;
  margin:18px 0 0;
}
.hero-title span{color:var(--primary)}
.hero-lead{
  margin-top:20px;
  max-width:620px;
  font-size:16px;
  line-height:1.9;
  color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  margin-top:30px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
}
.hero-points li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.hero-points i{color:var(--primary);font-size:13px}

.hero-media{
  position:relative;
  border-radius:var(--r-block);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.07);
  aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(5,8,15,.15) 0%, rgba(5,8,15,.72) 100%);
}
.hero-media-tag{
  position:absolute;
  left:18px;bottom:18px;right:18px;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 16px;
  border-radius:14px;
  background:rgba(10,17,28,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  font-size:13px;
  color:var(--muted);
}
.hero-media-tag .mono{font-variant-numeric:tabular-nums;color:var(--text);font-weight:500}

/* ============ 指标条 ============ */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.metric{
  padding:28px 24px;
  border-right:1px solid rgba(255,255,255,.08);
}
.metric:last-child{border-right:0}
.metric-num{
  font-size:clamp(20px,2.4vw,28px);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
  color:var(--text);
}
.metric-num em{font-style:normal;color:var(--primary);font-size:.7em;margin-left:2px}
.metric-label{margin-top:6px;font-size:13px;color:var(--muted)}

/* ============ 两栏：目录 + 卡片 ============ */
.layout-aside{
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  gap:40px;
  align-items:start;
  margin-top:48px;
}
.toc{
  position:sticky;
  top:104px;
  padding:22px 18px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
}
.toc-title{
  font-size:12px;
  letter-spacing:.18em;
  color:var(--muted);
  margin-bottom:14px;
}
.toc-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:10px;
  font-size:14px;
  color:var(--muted);
  transition:color var(--t),background var(--t);
}
.toc-link::before{
  content:"";
  width:5px;height:5px;border-radius:2px;
  background:currentColor;
  opacity:.55;
  flex:0 0 auto;
}
.toc-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.toc-link.active{
  color:var(--primary);
  background:rgba(23,230,192,.1);
  box-shadow:inset 0 0 0 1px rgba(23,230,192,.2);
}
.toc-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;
  line-height:1.8;
  color:var(--disabled);
}

.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.feature-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.07);
  overflow:hidden;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
  scroll-margin-top:120px;
}
.feature-card:hover{
  transform:translateY(-2px);
  border-color:rgba(23,230,192,.35);
  box-shadow:0 24px 48px -26px rgba(0,0,0,.9), 0 0 0 1px rgba(23,230,192,.14) inset;
}
.feature-media{
  aspect-ratio:16/10;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.feature-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 480ms cubic-bezier(.2,.7,.3,1);
}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.feature-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:12px;
}
.feature-title{font-size:19px;font-weight:500;line-height:1.4}
.feature-desc{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.85;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.dot-list{margin:16px 0 20px;display:flex;flex-direction:column;gap:9px}
.dot-list li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:13.5px;
  color:var(--muted);
  line-height:1.7;
}
.dot-list li::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;
  margin-top:7px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 8px rgba(23,230,192,.7);
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}

/* ============ 错位图文区 ============ */
.split{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:56px;
  align-items:center;
}
.split-body h2{margin-bottom:18px}
.split-body p{color:var(--muted);font-size:15px;line-height:1.95}
.split-body p + p{margin-top:16px}
.split-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.split-list li{
  display:flex;
  gap:12px;
  padding:14px 16px;
  border-radius:12px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
}
.split-list li i{color:var(--primary);margin-top:5px;font-size:13px}
.split-list li b{color:var(--text);font-weight:500}
.split-media{
  border-radius:var(--r-block);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:5/4;
}
.split-media img{width:100%;height:100%;object-fit:cover}

/* ============ 流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  margin-top:52px;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  left:34px;right:34px;top:22px;
  height:1px;
  background:linear-gradient(90deg,rgba(23,230,192,.5),rgba(47,107,255,.28),rgba(255,255,255,.06));
}
.step{position:relative;padding-top:58px}
.step-num{
  position:absolute;
  top:0;left:0;
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--bg-2);
  border:1px solid rgba(23,230,192,.45);
  color:var(--primary);
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px rgba(5,8,15,.9), 0 0 18px -4px rgba(23,230,192,.6);
}
.step h3{font-size:17px;font-weight:500;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.8}

/* ============ CTA 区块 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-block);
  border:1px solid var(--line);
  background:linear-gradient(120deg, rgba(10,17,32,.95), rgba(7,12,21,.98));
  overflow:hidden;
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:48px;
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-140px;right:-80px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(23,230,192,.16), transparent 68%);
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--primary),rgba(47,107,255,.5));
}
.cta-band h2{font-size:clamp(20px,2.4vw,30px);font-weight:700;line-height:1.35;position:relative}
.cta-band p{margin-top:12px;color:var(--muted);font-size:14.5px;position:relative;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;
  border-top:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(10,17,32,.6), rgba(5,8,15,1));
  padding:72px 0 28px;
  position:relative;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) repeat(3, minmax(0,1fr));
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand p{
  margin-top:18px;
  font-size:13.5px;
  color:var(--muted);
  line-height:1.9;
  max-width:340px;
}
.footer-col h4{
  font-size:13px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--disabled);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--disabled);
}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.02em}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(5,8,15,.96);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  display:flex;
  flex-direction:column;
  padding:28px 22px 28px;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  font-size:18px;
  padding:16px 14px;
  border-radius:14px;
  color:var(--text);
  border:1px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.active{
  color:var(--primary);
  background:rgba(23,230,192,.08);
  border-color:rgba(23,230,192,.22);
}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer-foot .btn{width:100%}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{max-width:620px}
  .layout-aside{grid-template-columns:1fr;gap:28px}
  .toc{position:static}
  .toc-list{display:flex;flex-wrap:wrap;gap:8px}
  .toc-link{padding:8px 12px;background:rgba(255,255,255,.03);border:1px solid var(--line)}
  .toc-note{display:none}
  .toc-title{width:100%}
  .split{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 22px}
  .steps::before{display:none}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
  .section{padding:72px 0}
  .page-hero{padding:132px 0 68px}
}

@media (max-width:768px){
  .dock-nav{display:none}
  .menu-btn{display:inline-flex}
  .dock-wrap{height:58px;padding:0 12px 0 14px}
  .site-header.is-scrolled .dock-wrap{height:54px}
  .dock-actions .btn{display:none}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.08);padding:22px 18px}
  .metric:nth-child(odd){border-right:1px solid rgba(255,255,255,.08)}
  .metric:nth-last-child(-n+2){border-bottom:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .section{padding:56px 0}
  .page-hero{padding:118px 0 56px}
  .container{padding:0 18px}
  .hero-title{font-size:clamp(26px,7.4vw,34px)}
  .section-title{font-size:clamp(20px,5.6vw,26px)}
  .steps{grid-template-columns:1fr;gap:26px}
  .step{padding-top:0;padding-left:60px;min-height:44px}
  .step-num{top:0;left:0}
}

@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .card-foot{flex-direction:column;align-items:flex-start}
  .card-foot .btn{width:100%}
  .hero-points{gap:10px 18px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg:#05080F;
  --bg-2:#0A1120;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.028);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.14);
  --mint:#17E6C0;
  --mint-hover:#3DF2D1;
  --mint-press:#0FC6A6;
  --blue:#2F6BFF;
  --amber:#FFB627;
  --text:#E6ECF5;
  --muted:#9AA7BD;
  --disabled:#56617A;
  --danger:#FF6B5E;
  --r-card:18px;
  --r-block:24px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.7);
  --shadow-glow:0 10px 30px -10px rgba(23,230,192,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:"Inter",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:68px 68px;
  -webkit-mask-image:radial-gradient(120% 80% at 50% 0%,#000 0%,transparent 78%);
  mask-image:radial-gradient(120% 80% at 50% 0%,#000 0%,transparent 78%);
}
body::after{
  content:"";
  position:fixed;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,192,.35),transparent);
  z-index:70;
  pointer-events:none;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}

.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:2;}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:20px;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:100%;
  max-width:1120px;
  height:64px;
  padding:0 14px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(10,17,28,.72);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.78),inset 0 1px 0 rgba(255,255,255,.07);
  transition:height .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.dock.is-scrolled{
  height:56px;
  background:rgba(6,10,18,.92);
  box-shadow:0 16px 34px -22px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.06);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:rgba(23,230,192,.08);
  border:1px solid rgba(23,230,192,.28);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-main{font-size:15px;font-weight:700;letter-spacing:.04em;color:var(--text);white-space:nowrap;}
.logo-sub{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.02em;white-space:nowrap;}

.dock-nav{display:flex;align-items:center;gap:4px;margin:0 auto;flex-wrap:nowrap;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--muted);
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{
  color:var(--mint);
  background:rgba(23,230,192,.10);
  box-shadow:inset 0 0 0 1px rgba(23,230,192,.20);
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:5px;
  transform:translateX(-50%);
  width:18px;height:2px;
  border-radius:2px;
  background:var(--mint);
  box-shadow:0 0 10px rgba(23,230,192,.85);
}

.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:transparent;
  border:1px solid var(--line-2);
  color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--mint);border-color:rgba(23,230,192,.55);transform:translateY(-1px);}
.icon-btn:active{transform:scale(.97);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:500;
  letter-spacing:.03em;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{
  background:var(--mint);
  color:#04211C;
  font-weight:700;
  box-shadow:var(--shadow-glow),inset 0 0 0 1px rgba(23,230,192,.7);
}
.btn-primary:hover{background:var(--mint-hover);transform:translateY(-2px);}
.btn-outline{
  background:rgba(255,255,255,.02);
  border-color:var(--line-2);
  color:var(--text);
}
.btn-outline:hover{border-color:rgba(255,255,255,.30);transform:translateY(-2px);background:rgba(255,255,255,.05);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:56px;padding:0 32px;font-size:16px;}
.btn-dock{height:40px;padding:0 20px;font-size:14px;font-weight:700;border-radius:var(--r-pill);}

.dock-burger{display:none;}
.search-panel{
  position:absolute;
  top:calc(100% + 12px);
  right:0;
  width:min(380px,86vw);
  padding:16px;
  border-radius:var(--r-card);
  background:rgba(8,13,23,.96);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  z-index:90;
}
.search-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.search-field{
  display:flex;align-items:center;gap:10px;
  height:46px;padding:0 14px;
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-field:focus-within{border-color:rgba(23,230,192,.6);box-shadow:0 0 0 3px rgba(23,230,192,.13);}
.search-field input{
  flex:1;background:transparent;border:0;outline:none;font-size:14.5px;
}
.search-field input::placeholder{color:var(--disabled);}
.search-hint{margin-top:10px;font-size:13px;color:var(--muted);}

.mobile-drawer{
  position:fixed;inset:0;z-index:95;
  background:rgba(4,7,13,.94);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  padding:96px 24px 32px;
  display:flex;flex-direction:column;
  transform:translateY(-12px);
  opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer a.m-link{
  display:block;
  padding:18px 4px;
  font-size:18px;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.m-link.active{color:var(--mint);}
.mobile-cta{margin-top:auto;}

/* ============ 通用区块 ============ */
.section{padding:100px 0;position:relative;}
.section-tight{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:12.5px;font-weight:500;letter-spacing:.08em;
  color:var(--mint);
  background:rgba(23,230,192,.08);
  border:1px solid rgba(23,230,192,.20);
  margin-bottom:22px;
}
.sec-title{font-size:clamp(22px,2.6vw,34px);line-height:1.3;}
.sec-desc{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:640px;}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* ============ Hero ============ */
.hero{padding:168px 0 84px;position:relative;overflow:hidden;}
.hero-glow{
  position:absolute;top:-160px;right:-120px;
  width:640px;height:640px;
  background:radial-gradient(circle,rgba(23,230,192,.12),transparent 66%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:64px;
  align-items:start;
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;
  letter-spacing:.02em;
  margin:0;
}
.hero h1 .hl{color:var(--mint);}
.hero-lead{
  margin-top:22px;
  font-size:17px;
  color:var(--muted);
  max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:26px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-fact{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);}
.hero-fact i{color:var(--mint);font-size:14px;}
.hero-note{
  padding:28px;
  border-radius:var(--r-block);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.07);
}
.hero-note h2{font-size:19px;font-weight:500;margin-bottom:16px;color:var(--text);}
.hero-note p{font-size:15.5px;color:var(--muted);line-height:1.9;}
.hero-note p + p{margin-top:18px;}
.hero-note .divider{height:1px;background:var(--line);margin:22px 0;}

/* ============ 准备清单 ============ */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin-top:44px;
}
.prep-card{
  padding:26px;
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.prep-card:hover{transform:translateY(-2px);border-color:rgba(23,230,192,.34);box-shadow:var(--shadow-card);}
.prep-num{
  font-family:var(--mono);
  font-size:28px;
  font-weight:700;
  color:transparent;
  -webkit-text-stroke:1.4px var(--mint);
  line-height:1;
  margin-bottom:16px;
}
@supports not ((-webkit-text-stroke:1px #000)){
  .prep-num{color:var(--mint);}
}
.prep-card h3{font-size:18px;font-weight:500;margin-bottom:10px;}
.prep-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ============ 步骤交错列表 ============ */
.steps{margin-top:8px;}
.step-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
  padding:64px 0;
  border-top:1px solid var(--line);
}
.step-row:first-child{border-top:0;padding-top:16px;}
.step-row.reverse .step-media{order:-1;}
.step-index{
  font-family:var(--mono);
  font-size:28px;
  font-weight:700;
  color:transparent;
  -webkit-text-stroke:1.4px var(--mint);
  line-height:1;
  display:inline-block;
  margin-bottom:18px;
}
@supports not ((-webkit-text-stroke:1px #000)){
  .step-index{color:var(--mint);}
}
.step-text h3{font-size:clamp(20px,2.1vw,26px);line-height:1.4;font-weight:700;margin-bottom:14px;}
.step-text p{color:var(--muted);font-size:15.5px;}
.step-list{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.step-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--muted);
}
.step-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:6px;height:6px;
  background:var(--mint);
  border-radius:1px;
}
.step-media{
  position:relative;
  border-radius:var(--r-block);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/10;
  background:var(--bg-2);
}
.step-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.step-media:hover img{transform:scale(1.03);}
.step-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.14),rgba(5,8,15,.62));
  pointer-events:none;
}
.step-tag{
  position:absolute;
  left:16px;bottom:16px;
  z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  color:var(--text);
  background:rgba(10,17,28,.72);
  border:1px solid var(--line-2);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}

/* ============ 停滞点提示 ============ */
.halt-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin-top:44px;
}
.halt-card{
  padding:26px;
  border-radius:var(--r-card);
  background:var(--surface-2);
  border:1px solid var(--line);
  border-left:3px solid var(--blue);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.halt-card:hover{transform:translateY(-2px);}
.halt-card h3{font-size:17px;font-weight:500;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.halt-card h3 i{color:var(--blue);font-size:15px;}
.halt-card p{font-size:14.5px;color:var(--muted);}
.halt-note{
  margin-top:26px;
  padding:18px 22px;
  border-radius:var(--r-card);
  background:rgba(255,182,39,.06);
  border:1px solid rgba(255,182,39,.22);
  font-size:14.5px;
  color:var(--text);
  display:flex;gap:12px;align-items:flex-start;
}
.halt-note i{color:var(--amber);margin-top:4px;}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
  gap:56px;
  align-items:start;
}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item.open{border-color:rgba(23,230,192,.34);background:rgba(23,230,192,.045);}
.faq-q{
  width:100%;
  min-height:60px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:14px 24px;
  background:none;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:500;
  color:var(--text);
  letter-spacing:.01em;
}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-2);
  color:var(--muted);
  font-size:12px;
  transition:transform .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--mint);border-color:rgba(23,230,192,.5);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s var(--ease);
}
.faq-a p{
  padding:0 24px 22px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}
.faq-aside{
  padding:28px;
  border-radius:var(--r-block);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.faq-aside h3{font-size:18px;font-weight:500;margin-bottom:14px;}
.faq-aside ul{display:flex;flex-direction:column;gap:12px;margin-top:18px;}
.faq-aside li{font-size:14.5px;color:var(--muted);display:flex;gap:10px;align-items:flex-start;}
.faq-aside li i{color:var(--mint);margin-top:5px;font-size:12px;}

/* ============ 表单 ============ */
.form-card{
  margin-top:44px;
  padding:40px;
  border-radius:var(--r-block);
  background:rgba(10,17,28,.68);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.07);
}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;color:var(--muted);letter-spacing:.04em;}
.field input,
.field textarea{
  width:100%;
  padding:13px 16px;
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  outline:none;
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.8;}
.field input::placeholder,
.field textarea::placeholder{color:var(--disabled);}
.field input:focus,
.field textarea:focus{
  border-color:rgba(23,230,192,.65);
  box-shadow:0 0 0 3px rgba(23,230,192,.13);
  background:rgba(23,230,192,.04);
}
.form-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  margin-top:28px;
}
.form-tip{font-size:13px;color:var(--muted);}
.form-success{
  display:none;
  margin-top:22px;
  padding:16px 20px;
  border-radius:var(--r-card);
  background:rgba(23,230,192,.08);
  border:1px solid rgba(23,230,192,.32);
  color:var(--mint);
  font-size:14.5px;
}
.form-success.show{display:block;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-block);
  padding:52px 56px;
  background:linear-gradient(120deg,rgba(15,26,42,.95),rgba(6,10,18,.98));
  border:1px solid var(--line);
  overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:48px;
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:460px;height:460px;
  background:radial-gradient(circle,rgba(23,230,192,.10),transparent 65%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,2.4vw,30px);line-height:1.35;}
.cta-band p{margin-top:12px;color:var(--muted);font-size:15px;max-width:540px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:rgba(6,10,18,.6);
  padding:64px 0 32px;
  position:relative;
  z-index:2;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:48px;
}
.footer-brand p{margin-top:18px;color:var(--muted);font-size:14.5px;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:500;color:var(--text);margin-bottom:18px;letter-spacing:.06em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14.5px;color:var(--muted);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--mint);}
.footer-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:76px 0;}
  .hero{padding:150px 0 68px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .step-row{gap:40px;padding:52px 0;}
  .faq-layout{grid-template-columns:1fr;gap:40px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 40px;}
}
@media (max-width:860px){
  .dock-nav{display:none;}
  .dock-burger{display:inline-flex;}
  .prep-grid{grid-template-columns:1fr;}
  .halt-grid{grid-template-columns:1fr;}
  .step-row{grid-template-columns:1fr;}
  .step-row.reverse .step-media{order:0;}
  .form-grid{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .section{padding:60px 0;}
  .hero{padding:132px 0 56px;}
  .dock{height:58px;gap:12px;padding:0 12px 0 14px;}
  .dock.is-scrolled{height:54px;}
  .logo-sub{display:none;}
  .form-card{padding:26px 22px;}
  .cta-band{padding:34px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:34px;}
  .footer-bottom{flex-direction:column;}
  .hero-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
    --bg:#05080F;
    --bg-2:#0A1120;
    --bg-3:#0D1526;
    --glass:rgba(255,255,255,.045);
    --glass-2:rgba(255,255,255,.06);
    --line:rgba(255,255,255,.09);
    --line-2:rgba(255,255,255,.14);
    --primary:#17E6C0;
    --primary-hover:#3DF2D1;
    --primary-active:#0FC6A6;
    --blue:#2F6BFF;
    --amber:#FFB627;
    --text:#E6ECF5;
    --text-2:#9AA7BD;
    --text-3:#56617A;
    --danger:#FF6B5E;
    --r-card:18px;
    --r-block:24px;
    --r-btn:12px;
    --r-pill:999px;
    --shadow-card:0 18px 40px -24px rgba(0,0,0,.7);
    --shadow-glow:0 10px 30px -10px rgba(23,230,192,.55);
    --t:200ms cubic-bezier(.2,.7,.3,1);
    --container:1240px;
  }

  *,*::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:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,Inter,sans-serif;
    font-size:16px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    background-image:
      linear-gradient(rgba(255,255,255,.021) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.021) 1px,transparent 1px);
    background-size:88px 88px,88px 88px;
    background-position:-1px -1px;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color var(--t),opacity var(--t)}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
  .mono{font-family:Inter,ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}

  /* ---------- Dock 导航 ---------- */
  .site-header{position:fixed;top:0;left:0;right:0;z-index:80;pointer-events:none}
  .dock-wrap{
    width:100%;max-width:1140px;margin:20px auto 0;padding:0 24px;
    pointer-events:none;
  }
  .dock{
    pointer-events:auto;
    display:flex;align-items:center;gap:18px;
    height:64px;padding:0 14px 0 18px;
    border-radius:var(--r-pill);
    background:rgba(10,17,28,.72);
    border:1px solid var(--line);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:0 20px 45px -28px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.07);
    transition:height var(--t),background var(--t),box-shadow var(--t);
  }
  .dock.is-compact{height:56px;background:rgba(7,12,22,.9);box-shadow:0 24px 50px -26px rgba(0,0,0,.95),inset 0 1px 0 rgba(255,255,255,.07)}
  .dock-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{
    width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
    background:rgba(23,230,192,.08);border:1px solid rgba(23,230,192,.28);
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15}
  .logo-main{font-size:15px;font-weight:700;letter-spacing:.02em}
  .logo-sub{font-size:13px;font-weight:500;color:var(--text-2)}
  .dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
  .nav-link{
    position:relative;padding:9px 14px;border-radius:var(--r-pill);
    font-size:14.5px;font-weight:500;color:var(--text-2);white-space:nowrap;
    transition:color var(--t),background var(--t);
  }
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
  .nav-link.active{color:var(--primary);background:rgba(23,230,192,.09);box-shadow:inset 0 0 0 1px rgba(23,230,192,.2)}
  .nav-link.active::after{
    content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
    width:18px;height:2px;border-radius:2px;background:var(--primary);
    box-shadow:0 0 10px rgba(23,230,192,.85);
  }
  .dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .icon-btn{
    width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
    border:1px solid var(--line-2);color:var(--text-2);
    transition:color var(--t),border-color var(--t),background var(--t),transform var(--t);
  }
  .icon-btn:hover{color:var(--primary);border-color:rgba(23,230,192,.5);background:rgba(23,230,192,.07)}
  .icon-btn:active{transform:scale(.96)}
  .menu-btn{display:none;width:38px;height:38px;border-radius:50%;place-items:center;border:1px solid var(--line-2);color:var(--text-2)}
  .menu-btn:hover{color:var(--primary);border-color:rgba(23,230,192,.5)}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:500;letter-spacing:.01em;white-space:nowrap;
    transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);
  }
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn-primary{
    background:var(--primary);color:#04140F;font-weight:700;
    border:1px solid rgba(23,230,192,.7);
    box-shadow:var(--shadow-glow);
  }
  .btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 16px 38px -12px rgba(23,230,192,.62)}
  .btn-primary:active{background:var(--primary-active);transform:scale(.98)}
  .btn-ghost{
    border:1px solid var(--line-2);color:var(--text);background:rgba(255,255,255,.02);
  }
  .btn-ghost:hover{border-color:rgba(23,230,192,.55);color:var(--primary);transform:translateY(-2px);background:rgba(23,230,192,.05)}
  .btn-ghost:active{transform:scale(.98)}

  .mobile-drawer{
    pointer-events:auto;display:none;position:fixed;inset:0;z-index:90;
    background:rgba(5,8,15,.94);backdrop-filter:blur(20px);
    padding:96px 24px 32px;flex-direction:column;gap:6px;
  }
  .mobile-drawer.open{display:flex}
  .mobile-drawer a.drawer-link{
    font-size:18px;font-weight:500;color:var(--text-2);padding:16px 4px;
    border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
  }
  .mobile-drawer a.drawer-link.active{color:var(--primary)}
  .drawer-cta{margin-top:auto}

  /* ---------- Hero ---------- */
  .hero{padding:152px 0 72px;position:relative}
  .hero::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(900px 420px at 78% 12%,rgba(23,230,192,.10),transparent 62%),
      radial-gradient(700px 380px at 10% 62%,rgba(47,107,255,.10),transparent 66%);
    pointer-events:none;
  }
  .hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:var(--r-pill);
    background:rgba(47,107,255,.12);border:1px solid rgba(47,107,255,.35);
    font-size:12.5px;color:#9FC0FF;letter-spacing:.04em;
  }
  .hero h1{
    margin-top:22px;
    font-size:clamp(30px,4.4vw,52px);
    line-height:1.22;font-weight:700;letter-spacing:.02em;
  }
  .hero h1 .kw{color:var(--primary)}
  .hero-lead{margin-top:18px;font-size:17px;color:var(--text-2);max-width:560px;line-height:1.9}
  .hero-sub{margin-top:10px;font-size:15px;color:var(--text-3);max-width:540px}
  .hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
  .hero-tags{margin-top:30px;display:flex;gap:10px;flex-wrap:wrap}
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 13px;border-radius:var(--r-pill);
    background:var(--glass);border:1px solid var(--line);
    font-size:12.5px;color:var(--text-2);
  }
  .tag--blue{background:rgba(47,107,255,.10);border-color:rgba(47,107,255,.3);color:#A8C3FF}
  .tag--amber{background:rgba(255,182,39,.10);border-color:rgba(255,182,39,.3);color:#FFD79A}

  .hero-visual{position:relative}
  .hero-visual img{
    width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-block);
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
  }
  .hero-visual::after{
    content:"";position:absolute;inset:0;border-radius:var(--r-block);
    background:linear-gradient(180deg,rgba(5,8,15,.12) 0%,rgba(5,8,15,.78) 100%);
    pointer-events:none;
  }
  .visual-badge{
    position:absolute;right:18px;bottom:18px;z-index:2;
    display:flex;align-items:center;gap:14px;
    padding:14px 18px;border-radius:16px;
    background:rgba(10,17,28,.82);border:1px solid var(--line);
    backdrop-filter:blur(16px);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  }
  .visual-badge span{display:block;font-size:12.5px;color:var(--text-2)}
  .visual-badge b{display:block;font-size:20px;color:var(--primary)}

  /* ---------- 数据条 ---------- */
  .metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(10,17,32,.5)}
  .metrics-inner{display:grid;grid-template-columns:repeat(4,1fr)}
  .metric{padding:32px 24px;border-right:1px solid var(--line)}
  .metric:last-child{border-right:0}
  .metric b{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:.01em}
  .metric b em{font-style:normal;font-size:16px;color:var(--text-2);margin-left:4px;font-weight:400}
  .metric span{display:block;margin-top:6px;font-size:13px;color:var(--text-2)}

  /* ---------- 通用板块 ---------- */
  .section{padding:104px 0}
  .section--tight{padding:80px 0}
  .section-head{display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:end;margin-bottom:52px}
  .section-head h2{font-size:clamp(22px,2.6vw,34px);line-height:1.3;font-weight:700}
  .section-head h2::before{
    content:"";display:block;width:34px;height:3px;border-radius:3px;
    background:var(--primary);margin-bottom:16px;
  }
  .section-head p{font-size:15px;color:var(--text-2);line-height:1.9}

  /* ---------- 四步时间轴 ---------- */
  .steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .steps::before{
    content:"";position:absolute;top:22px;left:24px;right:24px;height:1px;
    background:linear-gradient(90deg,rgba(23,230,192,.55),rgba(47,107,255,.5),rgba(255,255,255,.08));
  }
  .step{position:relative;padding-top:0}
  .step-dot{
    position:relative;z-index:2;
    width:44px;height:44px;border-radius:50%;
    display:grid;place-items:center;
    background:var(--bg-2);border:1px solid rgba(23,230,192,.45);
    color:var(--primary);font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
    box-shadow:0 0 0 6px rgba(5,8,15,.9);
  }
  .step-card{
    margin-top:24px;height:100%;
    background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
    padding:26px 24px;box-shadow:var(--shadow-card);
    transition:transform var(--t),border-color var(--t),background var(--t);
  }
  .step-card:hover{transform:translateY(-2px);border-color:rgba(23,230,192,.35);background:var(--glass-2)}
  .step-card h3{font-size:18px;font-weight:500;margin-bottom:12px}
  .step-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}
  .step-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
  .step-card li{position:relative;padding-left:16px;font-size:13.5px;color:var(--text-2)}
  .step-card li::before{
    content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--primary);opacity:.85;
  }

  /* ---------- 对比表 ---------- */
  .table-wrap{
    border:1px solid var(--line);border-radius:var(--r-block);
    background:var(--glass);overflow:hidden;box-shadow:var(--shadow-card);
  }
  .table-scroll{overflow-x:auto;position:relative}
  .table-scroll::after{
    content:"";position:absolute;top:0;right:0;bottom:0;width:44px;pointer-events:none;
    background:linear-gradient(270deg,rgba(5,8,15,.85),transparent);
  }
  table.compare{width:100%;min-width:820px;border-collapse:collapse;font-size:14.5px}
  table.compare thead th{
    background:rgba(10,17,32,.92);text-align:left;font-weight:500;
    padding:18px 22px;color:var(--text-2);font-size:13.5px;
    border-bottom:1px solid var(--line);
  }
  table.compare thead th:first-child{color:var(--text);font-weight:700}
  table.compare tbody td{padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.06);color:var(--text-2);vertical-align:top}
  table.compare tbody tr:nth-child(even) td{background:rgba(255,255,255,.018)}
  table.compare tbody tr:last-child td{border-bottom:0}
  table.compare tbody td:first-child{
    color:var(--text);font-weight:500;position:sticky;left:0;
    background:rgba(8,13,24,.96);border-right:1px solid var(--line);
  }
  .cell-yes{color:var(--primary)}
  .cell-amber{color:var(--amber)}
  .table-note{margin-top:16px;font-size:13px;color:var(--text-3)}

  /* ---------- 方案卡（非等宽） ---------- */
  .plans{display:grid;grid-template-columns:7fr 5fr;gap:24px}
  .plan{
    background:var(--glass);border:1px solid var(--line);border-radius:var(--r-block);
    padding:32px;box-shadow:var(--shadow-card);
    display:flex;flex-direction:column;
    transition:transform var(--t),border-color var(--t);
  }
  .plan:hover{transform:translateY(-2px);border-color:rgba(23,230,192,.34)}
  .plan--accent{background:linear-gradient(160deg,rgba(23,230,192,.07),rgba(10,17,32,.6) 42%),var(--glass)}
  .plan h3{font-size:20px;font-weight:500}
  .plan .plan-price{margin-top:14px;display:flex;align-items:baseline;gap:8px}
  .plan .plan-price b{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.01em}
  .plan .plan-price span{font-size:13px;color:var(--text-2)}
  .plan p{font-size:14.5px;color:var(--text-2);margin-top:12px}
  .plan ul{margin-top:20px;display:flex;flex-direction:column;gap:10px}
  .plan li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
  .plan li i{color:var(--primary);font-style:normal}
  .plan .plan-foot{margin-top:auto;padding-top:26px}

  /* ---------- 评价轮播 ---------- */
  .rail-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:32px}
  .rail-btns{display:flex;gap:10px}
  .rail{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;scrollbar-width:none}
  .rail::-webkit-scrollbar{display:none}
  .quote{
    scroll-snap-align:start;flex:0 0 300px;
    background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--shadow-card);
  }
  .quote .stars{color:var(--amber);font-size:13px;letter-spacing:2px}
  .quote p{margin-top:12px;font-size:14.5px;color:var(--text-2);line-height:1.85}
  .quote .who{margin-top:18px;display:flex;align-items:center;gap:12px}
  .avatar{
    width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
    background:rgba(47,107,255,.16);border:1px solid rgba(47,107,255,.34);
    font-size:14px;color:#A8C3FF;font-weight:700;
  }
  .who b{display:block;font-size:14px;font-weight:500}
  .who span{display:block;font-size:13px;color:var(--text-3)}

  /* ---------- FAQ ---------- */
  .faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
  .faq-list{display:flex;flex-direction:column;gap:12px}
  details.faq{
    background:var(--glass);border:1px solid var(--line);border-radius:14px;
    overflow:hidden;transition:border-color var(--t),background var(--t);
  }
  details.faq[open]{border-color:rgba(23,230,192,.34);background:var(--glass-2)}
  details.faq summary{
    list-style:none;cursor:pointer;padding:18px 56px 18px 22px;position:relative;
    font-size:15.5px;font-weight:500;line-height:1.6;
  }
  details.faq summary::-webkit-details-marker{display:none}
  details.faq summary::after{
    content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
    font-size:20px;color:var(--primary);line-height:1;transition:transform var(--t);
  }
  details.faq[open] summary::after{transform:translateY(-50%) rotate(45deg)}
  details.faq .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--text-2);line-height:1.9}

  /* ---------- CTA ---------- */
  .cta-block{
    position:relative;overflow:hidden;
    border-radius:var(--r-block);border:1px solid var(--line);
    background:linear-gradient(120deg,rgba(10,17,32,.96),rgba(13,21,38,.9));
    padding:52px;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
    box-shadow:var(--shadow-card);
  }
  .cta-block::before{
    content:"";position:absolute;inset:-40% 30% 30% -10%;
    background:radial-gradient(closest-side,rgba(23,230,192,.10),transparent 70%);
    pointer-events:none;
  }
  .cta-block h2{font-size:clamp(21px,2.4vw,31px);line-height:1.35;font-weight:700;position:relative}
  .cta-block p{margin-top:14px;font-size:15px;color:var(--text-2);max-width:520px;position:relative}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;position:relative}

  /* ---------- 页脚 ---------- */
  .site-footer{border-top:1px solid rgba(255,255,255,.08);background:rgba(6,10,18,.85);padding:72px 0 32px;margin-top:0}
  .footer-top{display:grid;grid-template-columns:5fr 2.4fr 2.4fr 2.4fr;gap:48px}
  .footer-brand p{margin-top:18px;font-size:14px;color:var(--text-2);max-width:360px;line-height:1.85}
  .dock-logo{display:flex;align-items:center;gap:10px}
  .footer-col h4{font-size:14px;font-weight:500;color:var(--text);margin-bottom:18px;letter-spacing:.02em}
  .footer-col ul{display:flex;flex-direction:column;gap:12px}
  .footer-col a{font-size:14px;color:var(--text-2)}
  .footer-col a:hover{color:var(--primary)}
  .footer-bottom{
    margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:var(--text-3);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .dock-nav{display:none}
    .menu-btn{display:grid}
    .hero{padding:132px 0 56px}
    .hero-inner{grid-template-columns:1fr;gap:40px}
    .hero-visual{max-width:640px}
    .section{padding:72px 0}
    .section--tight{padding:64px 0}
    .section-head{grid-template-columns:1fr;gap:20px;margin-bottom:40px}
    .steps{grid-template-columns:repeat(2,1fr);gap:28px}
    .steps::before{display:none}
    .plans{grid-template-columns:1fr}
    .faq-layout{grid-template-columns:1fr;gap:32px}
    .cta-block{grid-template-columns:1fr;padding:40px;gap:28px}
    .cta-actions{justify-content:flex-start}
    .footer-top{grid-template-columns:1fr 1fr;gap:36px}
  }
  @media (max-width:768px){
    .container{padding:0 18px}
    .dock-wrap{padding:0 18px;margin-top:14px}
    .dock{height:58px;padding:0 10px 0 14px;gap:10px}
    .dock.is-compact{height:54px}
    .logo-sub{display:none}
    .dock-actions .btn{display:none}
    .metrics-inner{grid-template-columns:1fr 1fr}
    .metric{border-bottom:1px solid var(--line);padding:24px 18px}
    .metric:nth-child(2n){border-right:0}
    .metric:nth-last-child(-n+2){border-bottom:0}
    .steps{grid-template-columns:1fr}
    .footer-top{grid-template-columns:1fr;gap:32px}
    .quote{flex:0 0 260px}
    .cta-block{padding:30px 24px}
    .hero-actions .btn{flex:1 1 100%}
  }
  @media (max-width:520px){
    body{font-size:15.5px}
    .hero{padding:116px 0 44px}
    .section{padding:56px 0}
    .cta-actions{flex-direction:column;align-items:stretch}
    .cta-actions .btn{width:100%}
    .rail-btns{display:none}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  }