/* roulang page: index */
:root{
  --bg:#050B14;
  --bg-2:#0A1420;
  --bg-3:#101D2C;
  --primary:#2FD8C6;
  --primary-dark:#17A99C;
  --primary-light:#7DF0E4;
  --amber:#FFB25C;
  --success:#3FD68A;
  --warn:#FF7A6B;
  --info:#5FB8FF;
  --text:#E8F3F7;
  --text-2:#9BB2C2;
  --text-3:#62798B;
  --line:rgba(125,240,228,.12);
  --line-strong:rgba(125,240,228,.16);
  --glass:rgba(255,255,255,.045);
  --radius-s:10px;
  --radius-m:18px;
  --radius-l:24px;
  --shadow-card:0 16px 38px rgba(0,0,0,.45);
  --shadow-hover:0 22px 46px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(125,240,228,.5), 0 10px 28px rgba(47,216,198,.28);
  --glow-hover:0 0 0 1px rgba(125,240,228,.6), 0 14px 36px rgba(47,216,198,.42);
  --container:1240px;
  --section:96px;
}
*,*::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:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,ui-sans-serif,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:
    radial-gradient(620px 420px at 6% 2%, rgba(47,216,198,.09), transparent 72%),
    radial-gradient(720px 520px at 98% 92%, rgba(255,178,92,.07), transparent 74%);
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-light)}
h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:700;letter-spacing:.005em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,216,198,.28);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:var(--section) 0;position:relative}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:800}
.section-head p{color:var(--text-2);font-size:15px;max-width:640px;margin-top:10px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--amber);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--amber);opacity:.7}
.grid-texture{
  position:absolute;inset:0;pointer-events:none;z-index:0;opacity:.35;
  background-image:linear-gradient(rgba(125,240,228,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(125,240,228,.05) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(70% 60% at 50% 40%,#000 20%,transparent 100%);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000 20%,transparent 100%);
}
/* ---------- 导航 Dock ---------- */
.site-header{
  position:fixed;top:20px;left:0;right:0;z-index:120;
  display:flex;justify-content:center;padding:0 24px;pointer-events:none;
}
.header-inner{position:relative;width:100%;max-width:1080px;pointer-events:auto}
.dock{
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 20px;
  border-radius:999px;
  background:rgba(10,20,32,.74);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06), var(--shadow-card);
  transition:padding .25s ease,background .25s ease,box-shadow .25s ease;
}
.dock.scrolled{padding:6px 12px 6px 18px;background:rgba(5,11,20,.9);box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 12px 30px rgba(0,0,0,.55)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  position:relative;width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(150deg,rgba(47,216,198,.95),rgba(23,169,156,.75));
  box-shadow:0 0 0 1px rgba(125,240,228,.45),0 6px 18px rgba(47,216,198,.3);
}
.brand-mark::before{content:"";position:absolute;inset:8px 7px 12px 7px;border-radius:6px;background:rgba(5,11,20,.85)}
.brand-mark::after{content:"";position:absolute;left:7px;right:7px;bottom:8px;height:4px;border-radius:2px;background:rgba(5,11,20,.85);box-shadow:0 -6px 0 rgba(5,11,20,.85)}
.brand-text{font-size:16px;font-weight:800;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;padding:8px 12px;border-radius:999px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:16px;height:2px;border-radius:2px;background:var(--primary);
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-link.active{color:var(--primary-light);background:rgba(47,216,198,.1)}
.nav-link.active::after{transform:translateX(-50%) scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--primary-light);border-color:var(--line-strong);background:rgba(47,216,198,.1)}
.icon-btn svg{width:18px;height:18px}
.menu-btn{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,#3FE4D2,#2FD8C6);
  color:#04241F;box-shadow:var(--glow);
}
.btn-primary:hover{color:#04241F;transform:translateY(-2px);box-shadow:var(--glow-hover);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(125,240,228,.45),0 6px 16px rgba(47,216,198,.3)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{color:var(--primary-light);border-color:rgba(125,240,228,.4);transform:translateY(-2px);background:rgba(47,216,198,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;filter:saturate(.4);pointer-events:none}
.search-pop{
  position:absolute;top:calc(100% + 12px);left:0;right:0;
  display:none;gap:10px;padding:14px;border-radius:20px;
  background:rgba(10,20,32,.94);border:1px solid var(--line-strong);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-card);
}
.search-pop.open{display:flex}
.search-pop input{
  flex:1;min-width:0;padding:11px 16px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);color:var(--text);
  font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-pop input::placeholder{color:var(--text-3)}
.search-pop input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,216,198,.16)}
/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:190;background:rgba(5,11,20,.6);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(400px,88vw);z-index:200;
  padding:26px 24px 32px;display:flex;flex-direction:column;gap:22px;
  background:rgba(10,20,32,.97);
  border-left:1px solid var(--line-strong);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:13px;letter-spacing:.14em;color:var(--text-3);text-transform:uppercase}
.drawer-group{display:flex;flex-direction:column;gap:6px}
.drawer-group h4{font-size:12px;letter-spacing:.12em;color:var(--amber);margin-bottom:6px;font-weight:600}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 16px;border-radius:14px;font-size:15px;color:var(--text-2);
  border:1px solid transparent;background:rgba(255,255,255,.03);
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.drawer-link:hover{color:var(--text);background:rgba(47,216,198,.1);border-color:var(--line-strong)}
.drawer-link.active{color:var(--primary-light);border-color:var(--line-strong);background:rgba(47,216,198,.12)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
/* ---------- Hero ---------- */
.hero{position:relative;padding:150px 0 88px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;letter-spacing:-.01em}
.hero h1 .hl{color:var(--primary-light)}
.hero-sub{margin-top:20px;font-size:17px;color:var(--text-2);max-width:560px}
.hero-text{margin-top:16px;font-size:15px;color:var(--text-3);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:12px;
  color:var(--text-2);background:rgba(255,255,255,.035);border:1px solid var(--line);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px rgba(47,216,198,.8)}
.badge--amber{color:var(--amber);border-color:rgba(255,178,92,.28);background:rgba(255,178,92,.07)}
.badge--amber::before{background:var(--amber);box-shadow:0 0 8px rgba(255,178,92,.7)}
.hero-visual{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow-card)}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,11,20,.15) 0%,rgba(5,11,20,.72) 100%)}
.hero-visual img{width:100%;height:440px;object-fit:cover;transition:transform .5s ease}
.hero-visual:hover img{transform:scale(1.03)}
.hero-glass{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:2;
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  padding:16px 18px;border-radius:var(--radius-m);
  background:var(--glass);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.metric{display:flex;flex-direction:column;gap:2px}
.metric b{font-size:22px;color:var(--amber);font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.metric span{font-size:12px;color:var(--text-2)}
.hero-corners{position:absolute;inset:14px;pointer-events:none;z-index:3}
.hero-corners i{position:absolute;width:16px;height:16px;border:1px solid rgba(125,240,228,.5)}
.hero-corners i:nth-child(1){top:0;left:0;border-right:0;border-bottom:0}
.hero-corners i:nth-child(2){top:0;right:0;border-left:0;border-bottom:0}
.hero-corners i:nth-child(3){bottom:0;left:0;border-right:0;border-top:0}
.hero-corners i:nth-child(4){bottom:0;right:0;border-left:0;border-top:0}
/* ---------- 主题封面区 ---------- */
.cover-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:24px}
.cover-card{
  position:relative;display:block;border-radius:var(--radius-m);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);min-height:220px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.cover-card:hover{transform:translateY(-4px);border-color:rgba(125,240,228,.34);box-shadow:var(--shadow-hover)}
.cover-card img{width:100%;height:100%;min-height:inherit;object-fit:cover;transition:transform .5s ease;background:rgba(47,216,198,.08)}
.cover-card:hover img{transform:scale(1.04)}
.cover-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,11,20,.05) 30%,rgba(5,11,20,.82) 100%)}
.cover-card--lg{grid-column:span 2;grid-row:span 2;min-height:464px}
.cover-card--wide{grid-column:span 3;min-height:210px}
.cover-index{
  position:absolute;top:16px;left:16px;z-index:2;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;letter-spacing:.14em;color:var(--primary-light);
  padding:4px 10px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(5,11,20,.6);
}
.cover-body{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
  padding:14px 16px;border-radius:14px;
  background:rgba(5,11,20,.78);
  border:1px solid rgba(125,240,228,.14);
}
.cover-body h3{font-size:18px;color:var(--text)}
.cover-card--lg .cover-body h3{font-size:22px}
.cover-body p{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.7}
.cover-tag{display:inline-block;margin-bottom:8px;font-size:12px;color:var(--amber)}
/* ---------- 内容目录 ---------- */
.catalog{display:grid;grid-template-columns:270px 1fr;gap:56px;align-items:start}
.catalog-nav{position:sticky;top:112px;display:flex;flex-direction:column;border-left:1px solid var(--line)}
.catalog-nav a{
  display:flex;align-items:flex-start;gap:12px;padding:12px 16px;
  font-size:15px;color:var(--text-2);border-left:3px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.catalog-nav a em{
  font-style:normal;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12px;color:var(--text-3);padding-top:3px;
}
.catalog-nav a .count{
  margin-left:auto;font-size:12px;color:var(--amber);
  padding:1px 8px;border-radius:999px;border:1px solid rgba(255,178,92,.28);background:rgba(255,178,92,.06);
}
.catalog-nav a:hover{color:var(--text);background:rgba(255,255,255,.03)}
.catalog-nav a.active{color:var(--text);border-left-color:var(--primary);background:linear-gradient(90deg,rgba(47,216,198,.1),transparent)}
.catalog-nav a.active em{color:var(--primary)}
.catalog-group{margin-bottom:40px}
.catalog-group:last-child{margin-bottom:0}
.catalog-group-head{display:flex;align-items:center;gap:14px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:8px}
.catalog-group-head h3{font-size:20px}
.catalog-group-head span{font-size:12px;color:var(--text-3);letter-spacing:.1em}
.catalog-item{
  display:flex;gap:16px;padding:18px 16px;border-radius:14px;
  border-bottom:1px solid rgba(125,240,228,.07);
  transition:background .2s ease,transform .2s ease;
}
.catalog-item:hover{background:rgba(255,255,255,.035);transform:translateX(3px)}
.catalog-item .dot{
  flex:0 0 auto;width:8px;height:8px;border-radius:2px;background:var(--primary);
  margin-top:11px;box-shadow:0 0 10px rgba(47,216,198,.55);
}
.catalog-item h4{font-size:16px;font-weight:600;color:var(--text)}
.catalog-item p{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.75}
.catalog-item .arrow{margin-left:auto;align-self:center;color:var(--text-3);font-size:18px;transition:color .2s ease,transform .2s ease}
.catalog-item:hover .arrow{color:var(--primary);transform:translateX(3px)}
/* ---------- 精选条目 ---------- */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.feature-card{
  border-radius:var(--radius-m);overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(125,240,228,.34);box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-hover)}
.feature-card:nth-child(2){margin-top:36px}
.feature-card img{width:100%;height:210px;object-fit:cover;background:rgba(47,216,198,.08)}
.feature-body{padding:24px 26px 26px}
.feature-body h3{font-size:20px;margin-top:12px}
.feature-body p{margin-top:12px;font-size:15px;color:var(--text-2)}
.feature-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.feature-foot time{font-size:13px;color:var(--text-3)}
.feature-foot .go{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.feature-card:hover .feature-foot .go{color:var(--primary-light)}
/* ---------- 最新信息（CMS 列表） ---------- */
.post-list{display:flex;flex-direction:column;gap:16px}
.post-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px 26px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(125,240,228,.3);box-shadow:var(--shadow-hover);background:var(--bg-3)}
.post-title{font-size:18px}
.post-title a{color:var(--text)}
.post-title a:hover{color:var(--primary-light)}
.post-summary{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:16px;padding-top:14px;border-top:1px solid rgba(125,240,228,.08);font-size:13px;color:var(--text-3)}
.post-cat{color:var(--amber);padding:2px 10px;border-radius:999px;border:1px solid rgba(255,178,92,.26);background:rgba(255,178,92,.06)}
.post-time{font-variant-numeric:tabular-nums}
.post-link{margin-left:auto;font-size:13px;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.post-link:hover{color:var(--primary-light)}
.more-wrap{display:flex;justify-content:center;margin-top:34px}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:220px;padding:34px 24px;text-align:center;
  background:var(--bg-2);border:1px dashed var(--line-strong);border-radius:var(--radius-m);
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);background:rgba(47,216,198,.08);color:var(--primary);
}
.empty-state .empty-icon svg{width:24px;height:24px}
.empty-state p{font-size:15px;color:var(--text-2)}
/* ---------- 相关推荐横滚 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:18px;width:72px;pointer-events:none;z-index:2;
}
.rail-wrap::before{left:-4px;background:linear-gradient(90deg,var(--bg),transparent)}
.rail-wrap::after{right:-4px;background:linear-gradient(270deg,var(--bg),transparent)}
.rail-card{
  flex:0 0 320px;scroll-snap-align:start;border-radius:var(--radius-m);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(125,240,228,.3);box-shadow:var(--shadow-hover)}
.rail-card img{width:100%;height:150px;object-fit:cover;background:rgba(47,216,198,.08)}
.rail-body{padding:16px 18px 18px}
.rail-body h3{font-size:16px;line-height:1.5}
.rail-body h3 a{color:var(--text)}
.rail-body h3 a:hover{color:var(--primary-light)}
.rail-body time{display:block;margin-top:10px;font-size:12px;color:var(--amber);font-variant-numeric:tabular-nums}
/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  padding:40px 44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  background:var(--glass);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:0;opacity:.22;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,2.4vw,30px)}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq details{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:0 22px;transition:border-color .2s ease,background .2s ease;
}
.faq details[open]{border-color:rgba(125,240,228,.3);background:var(--bg-3)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--text);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;
  color:var(--primary);border:1px solid var(--line-strong);background:rgba(47,216,198,.08);
  transition:transform .25s ease;
}
.faq details[open] summary::after{content:"–";transform:rotate(180deg)}
.faq .faq-body{padding:0 0 20px;font-size:15px;color:var(--text-2);line-height:1.8}
/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:24px;padding:64px 0 28px;
  border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(10,20,32,.5),rgba(5,11,20,.9));
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-desc{font-size:14px;color:var(--text-2);max-width:320px}
.footer-col h4{font-size:14px;color:var(--text);letter-spacing:.04em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary-light)}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:8px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom span{font-variant-numeric:tabular-nums}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--section:72px}
  .cover-grid{grid-template-columns:1fr 1fr}
  .cover-card--lg{grid-column:span 2;grid-row:auto;min-height:320px}
  .cover-card--wide{grid-column:span 2;min-height:200px}
  .hero-grid{gap:40px}
  .hero-visual img{height:380px}
}
@media (max-width:1023px){
  .dock-nav{display:none}
  .menu-btn{display:inline-flex}
  .hero{padding:130px 0 64px}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual img{height:340px}
  .catalog{grid-template-columns:1fr;gap:28px}
  .catalog-nav{
    position:static;flex-direction:row;overflow-x:auto;gap:10px;
    border-left:0;padding-bottom:8px;scrollbar-width:none;
  }
  .catalog-nav::-webkit-scrollbar{display:none}
  .catalog-nav a{
    flex:0 0 auto;border-left:0;border:1px solid var(--line);border-radius:999px;
    padding:9px 16px;white-space:nowrap;align-items:center;
  }
  .catalog-nav a .count{margin-left:8px}
  .feature-grid{grid-template-columns:1fr}
  .feature-card:nth-child(2){margin-top:0}
  .faq{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .cover-grid{grid-template-columns:1fr}
  .cover-card--lg,.cover-card--wide{grid-column:span 1;min-height:250px}
  .catalog-item{flex-wrap:wrap}
  .catalog-item .arrow{display:none}
}
@media (max-width:560px){
  :root{--section:56px}
  .container{padding:0 18px}
  .site-header{padding:0 14px;top:14px}
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .brand-text{font-size:14px}
  .dock .btn-sm{padding:8px 14px;font-size:13px}
  .hero{padding:118px 0 52px;text-align:center}
  .hero h1{font-size:clamp(26px,7.6vw,34px)}
  .hero-sub,.hero-text{margin-left:auto;margin-right:auto}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .badge-row{justify-content:center}
  .hero-visual img{height:250px}
  .hero-glass{grid-template-columns:1fr;gap:10px}
  .cta-band{padding:28px 22px;text-align:center}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .post-card{padding:18px}
}

/* roulang page: category1 */
:root{
  --bg:#050B14;
  --panel:#0A1420;
  --raise:#101D2C;
  --primary:#2FD8C6;
  --primary-dark:#17A99C;
  --primary-light:#7DF0E4;
  --amber:#FFB25C;
  --ok:#3FD68A;
  --warn:#FF7A6B;
  --info:#5FB8FF;
  --text:#E8F3F7;
  --text-2:#9BB2C2;
  --text-3:#62798B;
  --line:rgba(125,240,228,.16);
  --line-soft:rgba(125,240,228,.10);
  --glass:rgba(255,255,255,.045);
  --r-sm:10px;
  --r-md:18px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-card:0 16px 38px rgba(0,0,0,.45);
  --shadow-lift:0 22px 46px rgba(0,0,0,.55),0 0 0 1px rgba(125,240,228,.22);
  --glow:0 0 0 1px rgba(125,240,228,.5),0 10px 28px rgba(47,216,198,.28);
  --glow-hover:0 0 0 1px rgba(125,240,228,.65),0 14px 36px rgba(47,216,198,.42);
  --space-sec:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::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-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;z-index:0;pointer-events:none;
  background:
    radial-gradient(760px 520px at 6% -8%,rgba(47,216,198,.10),transparent 70%),
    radial-gradient(720px 560px at 102% 104%,rgba(255,178,92,.08),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(125,240,228,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,240,228,.03) 1px,transparent 1px);
  background-size:24px 24px;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-light)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800}
h2{font-size:clamp(24px,2.6vw,34px)}
h3{font-size:20px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 头部 Dock ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;padding:20px 0;pointer-events:none}
.header-inner{max-width:1240px;margin:0 auto;padding:0 24px}
.dock{
  pointer-events:auto;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  max-width:1080px;margin:0 auto;
  padding:10px 12px 10px 20px;
  border-radius:var(--r-pill);
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 18px 40px rgba(0,0,0,.45);
  transition:padding .25s ease,background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .dock{
  padding:6px 10px 6px 16px;
  background:rgba(8,16,26,.86);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 22px 46px rgba(0,0,0,.55);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 26px;position:relative;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  box-shadow:0 0 0 1px rgba(125,240,228,.35),0 6px 18px rgba(47,216,198,.32);
}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;border-radius:2px;background:#04141A}
.brand-mark::before{width:10px;height:10px;left:5px;top:5px}
.brand-mark::after{width:5px;height:5px;right:5px;bottom:5px}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.02em}
.dock-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 12px;border-radius:var(--r-pill);
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:center;transition:transform .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(125,240,228,.06)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary-light)}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-pill);
  border:1px solid var(--line-soft);color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{color:var(--primary-light);border-color:var(--line);background:rgba(125,240,228,.07)}
.menu-btn{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#03211D;box-shadow:var(--glow);
}
.btn-primary:hover{color:#03211D;transform:translateY(-2px);box-shadow:var(--glow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--glow)}
.btn-ghost{background:rgba(255,255,255,.02);color:var(--text);border-color:var(--line)}
.btn-ghost:hover{color:var(--primary-light);border-color:rgba(125,240,228,.4);background:rgba(125,240,228,.07);transform:translateY(-2px)}
.btn-block{width:100%}
.search-pop{
  pointer-events:auto;display:none;gap:12px;align-items:center;
  max-width:1080px;margin:12px auto 0;padding:14px 16px;
  border-radius:var(--r-md);
  background:rgba(10,20,32,.94);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:0 18px 40px rgba(0,0,0,.5);
}
.search-pop.open{display:flex}
.search-pop input{
  flex:1;min-width:0;padding:12px 16px;border-radius:var(--r-pill);
  background:var(--panel);border:1px solid var(--line-soft);color:var(--text);font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-pop input::placeholder{color:var(--text-3)}
.search-pop input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,216,198,.18)}

/* ---------- 移动端抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:200;display:none}
.drawer.open{display:block}
.drawer-backdrop{position:absolute;inset:0;background:rgba(3,8,14,.7);backdrop-filter:blur(4px)}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(360px,88vw);
  padding:24px;display:flex;flex-direction:column;gap:20px;
  background:rgba(10,20,32,.94);
  backdrop-filter:blur(16px) saturate(140%);
  border-left:1px solid var(--line);
  box-shadow:-20px 0 60px rgba(0,0,0,.6);
  overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-link{
  padding:14px 16px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:15px;border:1px solid transparent;
}
.drawer-link:hover{color:var(--text);background:var(--panel);border-color:var(--line-soft)}
.drawer-link.active{color:var(--primary-light);background:rgba(47,216,198,.1);border-color:var(--line)}
.drawer-note{font-size:13px;color:var(--text-3);line-height:1.8}

/* ---------- 主体 ---------- */
main{position:relative;z-index:1;padding-top:150px}
.section{padding:var(--space-sec) 0 0}
.section:last-of-type{padding-bottom:var(--space-sec)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amber);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--amber)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}

/* ---------- Hero ---------- */
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary-light)}
.crumbs span[aria-current]{color:var(--text-2)}
.hero-copy h1{margin-bottom:18px;max-width:15em}
.hero-sub{font-size:18px;color:var(--text-2);margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.badge-row li{
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:12px;color:var(--primary-light);
  border:1px solid var(--line-soft);background:rgba(47,216,198,.06);
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/12;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  background:rgba(47,216,198,.08);
}
.glass-strip{
  position:absolute;left:18px;right:18px;bottom:18px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
  padding:16px 18px;border-radius:var(--r-md);
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.stat b{display:block;font-family:var(--font-mono);font-size:26px;line-height:1.2;color:var(--amber);font-weight:700}
.stat span{font-size:12px;color:var(--text-2)}

/* ---------- 简介条 ---------- */
.intro-bar{
  display:flex;align-items:flex-start;justify-content:space-between;gap:28px;
  padding:28px 32px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
}
.intro-bar h2{font-size:22px;margin-bottom:12px}
.intro-bar p{color:var(--text-2);font-size:15px;max-width:900px}
.count-badge{
  flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);
  font-size:13px;font-family:var(--font-mono);color:var(--amber);
  border:1px solid rgba(255,178,92,.35);background:rgba(255,178,92,.08);
}

/* ---------- 编号目录 ---------- */
.toc-list{display:flex;flex-direction:column;gap:14px}
.toc-item{
  display:grid;grid-template-columns:64px 1fr 32px;gap:22px;align-items:center;
  padding:22px 26px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line-soft);
  transition:background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.toc-item:hover{
  background:var(--raise);border-color:var(--line);
  transform:translateY(-3px);box-shadow:var(--shadow-card);
}
.toc-num{
  font-family:var(--font-mono);font-size:22px;font-weight:700;
  color:var(--text-3);letter-spacing:.06em;transition:color .22s ease;
}
.toc-item:hover .toc-num{color:var(--primary)}
.toc-body h3{font-size:18px;margin-bottom:8px}
.toc-body p{font-size:14px;color:var(--text-2);line-height:1.8}
.toc-arrow{color:var(--text-3);font-size:18px;text-align:right;transition:color .22s ease,transform .22s ease}
.toc-item:hover .toc-arrow{color:var(--primary-light);transform:translateX(4px)}

/* ---------- 准备与排查 ---------- */
.prep-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.prep-panel{
  padding:30px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
}
.prep-panel h3{font-size:20px;margin-bottom:20px}
.task-list li{
  position:relative;padding-left:22px;margin-bottom:14px;
  font-size:15px;color:var(--text-2);line-height:1.8;
}
.task-list li:last-child{margin-bottom:0}
.task-list li::before{
  content:"";position:absolute;left:0;top:12px;
  width:8px;height:8px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 10px rgba(47,216,198,.55);
}
.step-list{counter-reset:step}
.step-list li{
  position:relative;padding-left:40px;margin-bottom:16px;
  font-size:15px;color:var(--text-2);line-height:1.8;
}
.step-list li:last-child{margin-bottom:0}
.step-list li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  font-family:var(--font-mono);font-size:13px;color:var(--amber);
  padding:2px 7px;border-radius:8px;background:rgba(255,178,92,.1);
  border:1px solid rgba(255,178,92,.28);
}

/* ---------- 交叉推荐 ---------- */
.cross-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cross-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-md);overflow:hidden;
  background:var(--panel);border:1px solid var(--line-soft);
  color:var(--text);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cross-card:nth-child(2){margin-top:32px}
.cross-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-lift);color:var(--text)}
.cross-card img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:0;
  transition:transform .4s ease;background:rgba(47,216,198,.08);
}
.cross-card:hover img{transform:scale(1.04)}
.cross-body{padding:24px}
.tag{
  display:inline-block;margin-bottom:12px;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;color:var(--amber);background:rgba(255,178,92,.1);
  border:1px solid rgba(255,178,92,.28);
}
.cross-body h3{font-size:18px;margin-bottom:10px}
.cross-body p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:16px}
.cross-more{font-size:13px;color:var(--primary);font-weight:600}

/* ---------- CTA 玻璃条 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:36px 40px;border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 18px 44px rgba(0,0,0,.45);
}
.cta-band h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.faq-item{
  border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line-soft);
  padding:0 24px;transition:border-color .22s ease,background .22s ease;
}
.faq-item:hover{border-color:var(--line)}
.faq-item[open]{background:var(--raise);border-color:var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 16px;height:16px;color:var(--primary);
  background:
    linear-gradient(currentColor,currentColor) center/12px 2px no-repeat,
    linear-gradient(currentColor,currentColor) center/2px 12px no-repeat;
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:var(--space-sec);
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(10,20,32,.6),rgba(5,11,20,.95));
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--primary-light)}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.85;margin-bottom:10px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .dock-nav{gap:0}
  .nav-link{padding:9px 9px;font-size:13px}
}
@media (max-width:1023px){
  :root{--space-sec:72px}
  .dock-nav{display:none}
  .menu-btn{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy h1{max-width:none}
  .prep-grid,.cross-grid,.faq-grid{grid-template-columns:1fr}
  .cross-card:nth-child(2){margin-top:0}
  .cta-band{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  main{padding-top:132px}
}
@media (max-width:767px){
  .search-pop{flex-direction:column;align-items:stretch}
  .search-pop .btn{width:100%}
  .toc-item{grid-template-columns:48px 1fr;gap:16px;padding:20px}
  .toc-arrow{display:none}
  .toc-num{font-size:19px}
  .intro-bar{flex-direction:column;padding:24px}
}
@media (max-width:560px){
  :root{--space-sec:56px}
  .container{padding:0 18px}
  .header-inner{padding:0 14px}
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .brand-text{font-size:14px}
  .brand-mark{width:22px;height:22px;flex:0 0 22px}
  .dock-actions .btn{display:none}
  main{padding-top:118px}
  .hero-grid{text-align:center}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .badge-row{justify-content:center}
  .crumbs{justify-content:center}
  .hero-visual img{aspect-ratio:16/9}
  .glass-strip{position:static;margin-top:14px;left:auto;right:auto;bottom:auto}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .prep-panel{padding:24px}
}

/* roulang page: article */
/* ==================== 设计变量 ==================== */
:root{
  --bg:#050B14;
  --panel:#0A1420;
  --elev:#101D2C;
  --brand:#2FD8C6;
  --brand-deep:#17A99C;
  --brand-light:#7DF0E4;
  --amber:#FFB25C;
  --ok:#3FD68A;
  --warn:#FF7A6B;
  --info:#5FB8FF;
  --text:#E8F3F7;
  --text-2:#9BB2C2;
  --text-3:#62798B;
  --line:rgba(125,240,228,.16);
  --line-2:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --r-xs:10px;
  --r-sm:14px;
  --r-md:18px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-card:0 16px 38px rgba(0,0,0,.45);
  --shadow-glow:0 10px 28px rgba(47,216,198,.28);
  --shadow-glow-hover:0 14px 36px rgba(47,216,198,.42);
  --maxw:1240px;
  --sec:96px;
}

/* ==================== 基础重置 ==================== */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:118px;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Inter",ui-sans-serif,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at -8% -6%, rgba(47,216,198,.10), transparent 62%),
    radial-gradient(760px 480px at 108% 4%, rgba(255,178,92,.08), transparent 64%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-light)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:rgba(47,216,198,.3);color:#ffffff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

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

/* ==================== 顶部阅读进度 ==================== */
.progress-bar{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--brand-light));
  box-shadow:0 0 12px rgba(47,216,198,.7);
  z-index:90;transition:width .12s linear;
}

/* ==================== 浮动 Dock 导航 ==================== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;padding:20px 0 0;pointer-events:none}
.header-inner{max-width:1080px;margin:0 auto;padding:0 24px;position:relative;pointer-events:auto}
.dock{
  display:flex;align-items:center;gap:16px;
  padding:10px 14px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(10,20,32,.62);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:padding .28s ease,background .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled .dock{
  padding:6px 12px 6px 16px;
  background:rgba(6,13,22,.88);
  box-shadow:0 12px 30px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:24px;height:24px;border-radius:8px;position:relative;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand-light),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(125,240,228,.4),0 6px 18px rgba(47,216,198,.35);
}
.brand-mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:rgba(5,11,20,.78)}
.brand-text{font-weight:700;font-size:15px;letter-spacing:.02em;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{
  position:relative;padding:8px 10px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;
  background:var(--brand);transform:translateX(-50%);transition:width .25s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{width:18px}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{width:18px}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  color:var(--text-2);border:1px solid transparent;transition:.2s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--brand);border-color:var(--line);background:rgba(125,240,228,.08)}
.menu-btn{display:none}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);color:#04161A;
  box-shadow:0 0 0 1px rgba(125,240,228,.5),var(--shadow-glow);
}
.btn-primary:hover{background:#3AE4D1;color:#04161A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(125,240,228,.6),var(--shadow-glow-hover)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(125,240,228,.45),0 6px 16px rgba(47,216,198,.24)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-light);transform:translateY(-2px);background:rgba(125,240,228,.06)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:8px 16px;font-size:13px}

/* 站内搜索 */
.search-pop{
  position:absolute;right:24px;top:calc(100% + 12px);display:none;align-items:center;gap:10px;
  padding:10px;border-radius:var(--r-pill);
  background:rgba(10,20,32,.92);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.search-pop.open{display:flex}
.search-pop input{
  width:280px;padding:9px 16px;border-radius:var(--r-pill);
  background:var(--elev);border:1px solid var(--line-2);color:var(--text);
  font-size:14px;outline:none;transition:.2s ease;
}
.search-pop input::placeholder{color:var(--text-3)}
.search-pop input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,216,198,.16)}

/* ==================== 移动端抽屉 ==================== */
.mobile-drawer{
  position:fixed;inset:0;z-index:100;
  background:rgba(2,6,11,.68);
  backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
}
.mobile-drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(88vw,360px);height:100%;
  display:flex;flex-direction:column;gap:20px;padding:24px 22px 32px;
  background:rgba(10,20,32,.96);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.mobile-drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-head .brand-text{font-size:15px;font-weight:700}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-link{
  padding:14px 16px;border-radius:14px;font-size:15px;color:var(--text-2);
  border:1px solid transparent;transition:.2s ease;
}
.drawer-link:hover{background:rgba(125,240,228,.07);color:var(--text)}
.drawer-link.active{color:var(--brand);border-color:var(--line);background:rgba(47,216,198,.08)}
.drawer-cta{margin-top:auto}

/* ==================== 页面 Hero（文章头部） ==================== */
.page-hero{position:relative;padding:168px 0 60px;overflow:hidden;border-bottom:1px solid var(--line-2)}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.26;filter:saturate(1.05);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,20,.70) 0%,rgba(5,11,20,.90) 58%,var(--bg) 100%);
}
.page-hero-inner{position:relative;z-index:2}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand-light)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{
  color:var(--amber);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--amber);background:rgba(255,178,92,.10);
  border:1px solid rgba(255,178,92,.35);
}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(28px,3.6vw,44px);
  font-weight:800;line-height:1.28;letter-spacing:.005em;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;font-size:13.5px;color:var(--text-2);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.7}
.article-meta .meta-num{color:var(--amber);font-weight:600}
.head-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* ==================== 文章布局 ==================== */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 260px;
  gap:56px;
  justify-content:center;
  padding-top:64px;
  padding-bottom:24px;
  align-items:start;
}
.article-main{min-width:0}

.article-body{
  font-size:16px;line-height:1.85;color:#DBE9F0;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.25em}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.2vw,28px);
  font-weight:800;line-height:1.35;
  margin:2.2em 0 .9em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 12px rgba(47,216,198,.45);
}
.article-body h3{
  position:relative;
  font-size:20px;font-weight:700;line-height:1.45;
  margin:1.8em 0 .7em;padding-left:18px;color:var(--text);
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:2px;
  background:var(--amber);box-shadow:0 0 10px rgba(255,178,92,.5);
}
.article-body strong{color:var(--brand-light);font-weight:600}
.article-body a{border-bottom:1px solid rgba(47,216,198,.4)}
.article-body a:hover{border-bottom-color:var(--brand-light)}
.article-body ul,.article-body ol{margin:0 0 1.4em}
.article-body li{position:relative;padding-left:22px;margin-bottom:.6em}
.article-body li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(47,216,198,.55);
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:rgba(125,240,228,.05);
  color:var(--text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;border-radius:12px;margin:1.8em auto;
  box-shadow:var(--shadow-card);
  background:rgba(47,216,198,.08);
}
.article-body figure{margin:1.8em 0}
.article-body figure img{margin:0}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--text-3);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;
  display:block;overflow-x:auto;
}
.article-body th,.article-body td{border:1px solid var(--line-2);padding:10px 14px;text-align:left}
.article-body th{background:var(--elev);color:var(--brand-light);font-weight:600;white-space:nowrap}
.article-body hr{border:0;border-top:1px solid var(--line-2);margin:2.4em 0}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;padding:2px 6px;border-radius:6px;
  background:var(--elev);color:var(--brand-light);
}

/* 空态 */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:44px 24px;
  border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--panel);
}
.empty-icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:rgba(47,216,198,.10);border:1px solid var(--line);color:var(--brand);
}
.empty-icon svg{width:24px;height:24px}
.empty-state h2{font-size:20px;font-weight:700}
.empty-state p{color:var(--text-2);font-size:14.5px;max-width:44ch}

/* 标签行 */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line-2);
}
.tag{
  display:inline-flex;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);
  background:var(--elev);border:1px solid var(--line-2);
  transition:.2s ease;
}
.tag:hover{color:var(--brand-light);border-color:var(--line);background:rgba(125,240,228,.07)}

/* 右侧目录 */
.article-aside{position:sticky;top:118px}
.aside-card{
  padding:22px 18px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line-2);
}
.aside-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--text-2);margin-bottom:14px;
}
.toc{display:flex;flex-direction:column;gap:2px;max-height:58vh;overflow-y:auto;scrollbar-width:thin}
.toc::-webkit-scrollbar{width:4px}
.toc::-webkit-scrollbar-thumb{background:rgba(125,240,228,.25);border-radius:4px}
.toc-link{
  display:block;padding:8px 10px 8px 14px;border-radius:8px;
  font-size:13.5px;line-height:1.55;color:var(--text-2);
  border-left:3px solid transparent;transition:.2s ease;
}
.toc-link:hover{color:var(--brand-light);background:rgba(125,240,228,.06)}
.toc-link.lvl-3{padding-left:26px;font-size:13px;color:var(--text-3)}
.toc-link.is-active{color:var(--brand);border-left-color:var(--brand);background:rgba(47,216,198,.08)}
.toc-empty{font-size:13px;color:var(--text-3);line-height:1.7}

/* ==================== 板块通用 ==================== */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:36px;
}
.section-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.25}
.section-sub{margin-top:10px;color:var(--text-2);font-size:15px;max-width:62ch}
.eyebrow{
  display:block;font-size:12px;font-weight:700;letter-spacing:.18em;
  color:var(--brand);margin-bottom:12px;
}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-md);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rel-card:hover{
  transform:translateY(-4px);border-color:var(--line);
  box-shadow:var(--shadow-card),0 0 0 1px rgba(125,240,228,.22);
  color:inherit;
}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:rgba(47,216,198,.08)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.rel-cat{
  align-self:flex-start;font-size:11.5px;font-weight:600;letter-spacing:.05em;
  color:var(--amber);background:rgba(255,178,92,.10);
  border:1px solid rgba(255,178,92,.32);border-radius:var(--r-pill);
  padding:3px 10px;margin-bottom:12px;
}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--text)}
.rel-time{margin-top:auto;padding-top:14px;font-size:12.5px;color:var(--amber);letter-spacing:.04em}

/* CTA 玻璃条 */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:36px 40px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-card);
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.35}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:14.5px;max-width:58ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:28px;
  font-size:14px;color:var(--text-2);
}
.back-link:hover{color:var(--brand-light)}

/* ==================== 页脚 ==================== */
.site-footer{margin-top:0;padding:72px 0 28px;border-top:1px solid var(--line-2);background:var(--panel)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:16px;font-weight:700;color:var(--text)}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.85;max-width:40ch}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.04em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a{color:var(--text-2);font-size:14px}
.footer-col li a:hover{color:var(--brand-light)}
.footer-col p{color:var(--text-2);font-size:14px;line-height:1.85;margin-bottom:10px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-2);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}

/* ==================== 响应式 ==================== */
@media (max-width:1200px){
  .nav-link{font-size:12.5px;padding:8px 7px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .dock-nav{display:none}
  .menu-btn{display:grid}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:52px}
  .article-aside{display:none}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero{padding:150px 0 52px}
}
@media (max-width:767px){
  :root{--sec:64px}
  .header-inner{padding:0 16px}
  .search-pop{right:16px;left:16px;justify-content:space-between}
  .search-pop input{width:100%;min-width:0}
  .page-hero{padding:136px 0 44px}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-band{padding:28px 22px;gap:22px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18.5px}
}
@media (max-width:560px){
  :root{--sec:56px}
  .container{padding:0 18px}
  .header-inner{padding:0 14px}
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .dock-actions .btn-sm{display:none}
  .brand-text{font-size:14px}
  .page-hero h1{font-size:30px}
  .breadcrumb .current{white-space:normal;max-width:100%}
  .btn{width:100%}
  .cta-actions{width:100%}
  .head-actions{width:100%}
  .rel-body{padding:16px 16px 18px}
}

/* roulang page: category3 */
:root{
  --bg:#050B14;
  --panel:#0A1420;
  --raise:#101D2C;
  --primary:#2FD8C6;
  --primary-d:#17A99C;
  --primary-l:#7DF0E4;
  --amber:#FFB25C;
  --ok:#3FD68A;
  --warn:#FF7A6B;
  --info:#5FB8FF;
  --text:#E8F3F7;
  --muted:#9BB2C2;
  --weak:#62798B;
  --line:rgba(125,240,228,.16);
  --line-soft:rgba(125,240,228,.09);
  --glass:rgba(255,255,255,.045);
  --r-sm:10px;
  --r-md:18px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-card:0 16px 38px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(125,240,228,.5),0 10px 28px rgba(47,216,198,.28);
  --glow-hover:0 0 0 1px rgba(125,240,228,.6),0 14px 36px rgba(47,216,198,.42);
  --container:1240px;
  --sec:96px;
}

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

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

body{
  margin:0;
  min-height:100%;
  background-color:var(--bg);
  background-image:
    radial-gradient(680px 420px at 8% 4%, rgba(47,216,198,.09), transparent 65%),
    radial-gradient(720px 460px at 96% 88%, rgba(255,178,92,.075), transparent 68%),
    repeating-linear-gradient(0deg, rgba(125,240,228,.03) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(125,240,228,.03) 0 1px, transparent 1px 24px);
  background-attachment:fixed,fixed,scroll,scroll;
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Inter,ui-sans-serif,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  background:rgba(3,7,12,.74);
  backdrop-filter:blur(5px);
  opacity:0;
  pointer-events:none;
  transition:opacity .28s ease;
  z-index:90;
}
body.nav-open::before{opacity:1;pointer-events:auto;}
body.nav-open{overflow:hidden;}

img{max-width:100%;display:block;border-style:none;border-radius:inherit;}
a{color:var(--primary-l);text-decoration:none;transition:color .2s ease;}
a:hover{color:#fff;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.25;font-weight:700;letter-spacing:.005em;}

:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

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

/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  padding:20px 0 0;
}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 24px;}
.dock{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  max-width:1080px;
  margin:0 auto;
  padding:10px 12px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(10,20,32,.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.06);
  transition:padding .28s ease, background .28s ease, box-shadow .28s ease;
}
.site-header.is-scrolled .dock{
  padding:6px 12px 6px 16px;
  background:rgba(8,16,26,.92);
  box-shadow:0 14px 34px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.05);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;
  width:26px;height:26px;
  border-radius:8px;
  background:linear-gradient(140deg,var(--primary),var(--primary-d));
  box-shadow:0 0 0 1px rgba(125,240,228,.45),0 6px 18px rgba(47,216,198,.32);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:6px;right:6px;top:7px;
  height:3px;
  border-radius:2px;
  background:rgba(5,11,20,.78);
  box-shadow:0 5px 0 rgba(5,11,20,.55),0 10px 0 rgba(5,11,20,.32);
}
.brand-text{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap;}

.dock-nav{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 13px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--muted);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  width:0;height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:translateX(-50%);
  transition:width .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link:hover::after{width:18px;}
.nav-link.active{color:var(--primary-l);}
.nav-link.active::after{width:22px;}

.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--muted);
  background:rgba(255,255,255,.03);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .18s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{color:var(--primary-l);border-color:rgba(125,240,228,.4);background:rgba(47,216,198,.1);}
.menu-btn{display:none;}

.search-pop{
  display:none;
  max-width:1080px;
  margin:12px auto 0;
  padding:12px 14px;
  gap:12px;
  align-items:center;
  border-radius:var(--r-md);
  background:rgba(10,20,32,.9);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.search-pop.open{display:flex;}
.search-pop input{
  flex:1 1 auto;
  height:44px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(5,11,20,.85);
  color:var(--text);
  font-size:15px;
}
.search-pop input::placeholder{color:var(--weak);}
.search-pop input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,216,198,.16);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease,filter .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-d));
  color:#03241F;
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--glow-hover);color:#03241F;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(125,240,228,.4),0 6px 16px rgba(47,216,198,.24);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{border-color:rgba(125,240,228,.45);background:rgba(47,216,198,.1);transform:translateY(-2px);color:var(--primary-l);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 17px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 通用标签 / 徽章 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,178,92,.32);
  background:rgba(255,178,92,.08);
  color:var(--amber);
  font-size:12px;
  letter-spacing:.08em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  color:var(--amber);
  background:rgba(255,178,92,.1);
  border:1px solid rgba(255,178,92,.24);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:13px;
  color:var(--muted);
}
.tag:hover{border-color:rgba(125,240,228,.4);color:var(--primary-l);}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  padding:56px 0 0;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:-10% -10% 30% -10%;
  background-image:linear-gradient(180deg,rgba(5,11,20,.78),rgba(5,11,20,.96)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.5;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:52px;
  align-items:center;
  padding-bottom:64px;
}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--weak);margin-bottom:22px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary-l);}
.crumb span.sep{color:var(--weak);}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;
  margin:18px 0 16px;
  letter-spacing:-.01em;
}
.hero-copy h1 em{font-style:normal;color:var(--primary-l);}
.hero-sub{font-size:17px;color:var(--muted);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  background:rgba(47,216,198,.08);
}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(5,11,20,0) 35%,rgba(5,11,20,.78));
  pointer-events:none;
}
.glass-chip{
  position:absolute;
  left:14px;right:14px;bottom:14px;
  z-index:2;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
  padding:14px 16px;
  border-radius:var(--r-md);
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid rgba(125,240,228,.22);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.glass-chip .cell{text-align:center;}
.glass-chip .num{
  display:block;
  font-family:Inter,ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:22px;
  font-weight:700;
  color:var(--amber);
  line-height:1.2;
}
.glass-chip .lbl{display:block;font-size:12px;color:var(--muted);line-height:1.6;}
.corner{position:absolute;width:22px;height:22px;border:1px solid rgba(125,240,228,.5);z-index:3;}
.corner.tl{top:14px;left:14px;border-right:0;border-bottom:0;border-radius:6px 0 0 0;}
.corner.br{bottom:14px;right:14px;border-left:0;border-top:0;border-radius:0 0 6px 0;z-index:4;}
.hero-visual .corner.br{bottom:calc(14px + 92px);right:14px;}

/* ---------- 板块通用 ---------- */
section{padding:var(--sec) 0;}
.section-tight{padding:calc(var(--sec) * .62) 0;}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:16px;}
.sec-head .kicker{
  display:block;
  font-family:Inter,ui-monospace,Menlo,monospace;
  font-size:12px;
  letter-spacing:.22em;
  color:var(--primary);
  margin-bottom:12px;
  text-transform:uppercase;
}

/* ---------- 流程节点 ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  position:relative;
}
.flow::before{
  content:"";
  position:absolute;
  top:34px;left:24px;right:24px;
  height:2px;
  background:linear-gradient(90deg,rgba(47,216,198,.55),rgba(255,178,92,.35));
  opacity:.5;
}
.flow-node{
  position:relative;
  padding:26px 22px 24px;
  border-radius:var(--r-md);
  background:var(--panel);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.flow-node:hover{transform:translateY(-4px);border-color:rgba(125,240,228,.32);box-shadow:var(--shadow-card);}
.flow-node .dot{
  position:relative;
  display:flex;align-items:center;justify-content:center;
  width:34px;height:34px;
  margin-bottom:16px;
  border-radius:50%;
  background:rgba(47,216,198,.12);
  border:1px solid rgba(125,240,228,.35);
  font-family:Inter,ui-monospace,Menlo,monospace;
  font-size:12px;
  color:var(--primary-l);
}
.flow-node h3{font-size:18px;margin-bottom:8px;}
.flow-node p{font-size:14px;color:var(--muted);}

/* ---------- 叙事分栏 ---------- */
.split-list{display:flex;flex-direction:column;}
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
  padding:52px 0;
  border-top:1px solid var(--line-soft);
}
.split:first-child{border-top:0;padding-top:6px;}
.split-media figure{
  position:relative;
  margin:0;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  background:rgba(47,216,198,.08);
}
.split-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  transition:transform .5s ease;
}
.split-media figure:hover img{transform:scale(1.04);}
.split-media figure:hover{border-color:rgba(125,240,228,.34);}
.split.reverse .split-media{order:2;}
.split-no{
  display:inline-block;
  font-family:Inter,ui-monospace,Menlo,monospace;
  font-size:13px;
  letter-spacing:.18em;
  color:var(--amber);
  margin-bottom:14px;
}
.split-body h3{font-size:clamp(20px,2.1vw,26px);margin-bottom:14px;}
.split-body p{color:var(--muted);margin-bottom:14px;}
.point-list{margin-top:8px;display:flex;flex-direction:column;gap:10px;}
.point-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--text);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 0 3px rgba(47,216,198,.14);
}

/* ---------- 玻璃引用条 ---------- */
.quote-band{
  position:relative;
  padding:40px 44px 40px 52px;
  border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid rgba(125,240,228,.2);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-card);
}
.quote-band::before{
  content:"";
  position:absolute;
  left:24px;top:34px;bottom:34px;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(47,216,198,.15));
}
.quote-band p{
  font-size:clamp(18px,1.9vw,23px);
  font-weight:600;
  line-height:1.7;
  color:var(--text);
}
.quote-band span{display:block;margin-top:14px;font-size:13px;color:var(--weak);letter-spacing:.06em;}

/* ---------- 自检清单 ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 44px;}
.check-col h3{font-size:18px;margin-bottom:6px;color:var(--primary-l);}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;
  border-bottom:1px solid var(--line-soft);
  font-size:15px;
  color:var(--muted);
}
.check-item .box{
  flex:0 0 auto;
  margin-top:6px;
  width:18px;height:18px;
  border-radius:6px;
  border:1px solid rgba(125,240,228,.45);
  background:rgba(47,216,198,.12);
  position:relative;
}
.check-item .box::after{
  content:"";
  position:absolute;
  left:5px;top:2px;
  width:5px;height:9px;
  border-right:2px solid var(--primary-l);
  border-bottom:2px solid var(--primary-l);
  transform:rotate(40deg);
}
.check-item strong{display:block;color:var(--text);font-weight:600;margin-bottom:2px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  background:var(--panel);
  padding:0 20px;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:rgba(125,240,228,.3);background:var(--raise);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 0;
  font-size:17px;
  font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-family:Inter,ui-monospace,Menlo,monospace;
  font-size:20px;
  color:var(--primary);
  line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-item .answer{
  padding:0 0 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:36px 40px;
  border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid rgba(125,240,228,.22);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-card);
}
.cta-band h2{font-size:clamp(22px,2.3vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--muted);font-size:15px;max-width:46em;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap;}
.copy-note{font-size:13px;color:var(--ok);min-height:20px;margin-top:10px;opacity:0;transition:opacity .25s ease;}
.copy-note.show{opacity:1;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(10,20,32,.5),rgba(5,11,20,.9));
  padding:72px 0 28px;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--muted);max-width:30em;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li a{font-size:14px;color:var(--muted);}
.footer-col li a:hover{color:var(--primary-l);}
.footer-col p{font-size:14px;color:var(--muted);margin-bottom:10px;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  color:var(--weak);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:40px;}
}

@media (max-width:1023px){
  :root{--sec:72px;}
  .menu-btn{display:inline-flex;}
  .dock-nav{
    position:fixed;
    top:14px;right:14px;bottom:14px;
    width:min(88vw,400px);
    margin:0;
    padding:76px 22px 26px;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    overflow-y:auto;
    border-radius:var(--r-lg);
    background:rgba(10,20,32,.96);
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    border:1px solid var(--line);
    box-shadow:0 24px 60px rgba(0,0,0,.65);
    transform:translateX(calc(100% + 24px));
    transition:transform .3s ease;
    z-index:95;
  }
  body.nav-open .dock-nav{transform:translateX(0);}
  .dock-nav::before{
    content:"内容导航";
    position:absolute;
    top:26px;left:22px;
    font-size:12px;
    letter-spacing:.2em;
    color:var(--weak);
  }
  .dock-nav::after{
    content:"点按上方条目进入对应内容区，返回后再继续浏览本页。";
    margin-top:auto;
    padding-top:22px;
    border-top:1px solid var(--line-soft);
    font-size:13px;
    color:var(--weak);
    line-height:1.7;
  }
  .nav-link{padding:14px 12px;font-size:16px;border-bottom:1px solid var(--line-soft);border-radius:0;}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--primary);}
  .hero-grid{grid-template-columns:1fr;gap:34px;padding-bottom:48px;}
  .flow{grid-template-columns:1fr 1fr;}
  .flow::before{display:none;}
  .split{grid-template-columns:1fr;gap:26px;padding:40px 0;}
  .split.reverse .split-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}

@media (max-width:767px){
  .check-grid{grid-template-columns:1fr;}
  .quote-band{padding:32px 26px 32px 42px;}
  .quote-band::before{left:18px;}
  .search-pop{flex-wrap:wrap;}
  .search-pop input{flex:1 1 100%;}
}

@media (max-width:560px){
  :root{--sec:56px;}
  .container{padding:0 18px;}
  .header-inner{padding:0 18px;}
  .dock{padding:8px 10px 8px 14px;gap:10px;}
  .brand-text{font-size:15px;}
  .hero-copy{text-align:center;}
  .hero-copy h1{margin-left:auto;margin-right:auto;}
  .hero-sub{margin:0 auto;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-tags{justify-content:center;}
  .glass-chip{position:static;margin:0;border-radius:0;border:0;border-top:1px solid rgba(125,240,228,.18);}
  .hero-visual::after{display:none;}
  .hero-visual .corner{display:none;}
  .flow{grid-template-columns:1fr;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --bg:#050B14;
  --panel:#0A1420;
  --elev:#101D2C;
  --primary:#2FD8C6;
  --primary-dark:#17A99C;
  --primary-light:#7DF0E4;
  --amber:#FFB25C;
  --success:#3FD68A;
  --warning:#FF7A6B;
  --info:#5FB8FF;
  --text:#E8F3F7;
  --muted:#9BB2C2;
  --dim:#62798B;
  --line:rgba(125,240,228,.16);
  --line-soft:rgba(155,178,194,.14);
  --glass:rgba(255,255,255,.045);
  --r-sm:10px;
  --r-md:18px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-card:0 16px 38px rgba(0,0,0,.45);
  --shadow-glow:0 10px 28px rgba(47,216,198,.28);
  --shadow-glow-hover:0 14px 36px rgba(47,216,198,.42);
  --ease:.28s cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Inter,ui-sans-serif,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:
    radial-gradient(760px 520px at 6% -6%, rgba(47,216,198,.10), transparent 62%),
    radial-gradient(680px 520px at 100% 108%, rgba(255,178,92,.08), transparent 60%),
    linear-gradient(180deg,rgba(255,255,255,.012),transparent 30%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.03;
  background-image:linear-gradient(rgba(125,240,228,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(125,240,228,.9) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-light);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}

/* ============ 顶部 Dock 导航 ============ */
.site-header{position:fixed;top:20px;left:0;right:0;z-index:80;transition:top var(--ease);}
.site-header.is-scrolled{top:12px;}
.header-inner{max-width:1120px;margin:0 auto;padding:0 18px;position:relative;}
.dock{
  display:flex;align-items:center;gap:14px;
  padding:10px 14px;
  background:rgba(10,20,32,.74);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:padding var(--ease),background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled .dock{
  padding:6px 12px;
  background:rgba(5,11,20,.9);
  box-shadow:0 14px 32px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);font-weight:800;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:26px;height:26px;border-radius:9px;flex:0 0 auto;position:relative;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  box-shadow:0 0 0 1px rgba(125,240,228,.4),0 6px 16px rgba(47,216,198,.35);
}
.brand-mark::after{
  content:"";position:absolute;inset:6px 5px auto 5px;height:5px;border-radius:3px;
  background:rgba(5,11,20,.55);
  box-shadow:0 7px 0 rgba(5,11,20,.35),0 13px 0 rgba(5,11,20,.2);
}
.brand-text{font-size:15px;letter-spacing:.02em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:var(--r-pill);
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;
  background:var(--primary);transform:translateX(-50%);
  transition:width var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(125,240,228,.07);}
.nav-link:hover::after{width:22px;}
.nav-link.active{color:var(--primary-light);background:rgba(47,216,198,.1);}
.nav-link.active::after{width:22px;}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);cursor:pointer;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line-soft);
  color:var(--muted);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.icon-btn svg{width:19px;height:19px;}
.icon-btn:hover{color:var(--primary-light);border-color:var(--line);background:rgba(47,216,198,.1);}
.icon-btn:active{transform:translateY(1px);}
.menu-btn{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#04170f;
  box-shadow:0 0 0 1px rgba(125,240,228,.5),var(--shadow-glow);
}
.btn-primary:hover{
  color:#04170f;filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(125,240,228,.55),var(--shadow-glow-hover);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(125,240,228,.45),0 4px 14px rgba(47,216,198,.24);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  color:var(--text);
  border-color:var(--line);
}
.btn-ghost:hover{color:var(--primary-light);border-color:rgba(125,240,228,.4);background:rgba(47,216,198,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.4;filter:saturate(.4);pointer-events:none;}

/* 搜索弹层 */
.search-pop{
  display:none;
  gap:10px;align-items:center;
  margin-top:10px;padding:12px 14px;
  background:rgba(10,20,32,.9);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
}
.search-pop.open{display:flex;}
.search-pop input{
  flex:1 1 auto;min-width:0;
  padding:11px 14px;border-radius:var(--r-sm);
  background:#08111c;border:1px solid var(--line-soft);
  color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-pop input::placeholder{color:var(--dim);}
.search-pop input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,216,198,.16);}

/* 移动抽屉 */
.drawer-backdrop{
  position:fixed;inset:0;z-index:90;
  background:rgba(3,7,12,.66);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer-backdrop.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;inset:0;z-index:100;
  display:flex;flex-direction:column;
  padding:22px 20px 28px;
  background:rgba(6,13,22,.94);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transform:translateX(100%);
  transition:transform var(--ease);
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:26px;}
.drawer-title{font-size:12px;letter-spacing:.16em;color:var(--dim);text-transform:uppercase;margin-bottom:12px;}
.drawer-list{display:flex;flex-direction:column;gap:6px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:var(--r-md);
  color:var(--text);font-size:15.5px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.drawer-list a:hover,.drawer-list a.active{background:rgba(47,216,198,.1);border-color:var(--line);color:var(--primary-light);}
.drawer-foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:10px;}
.drawer-foot .btn{width:100%;}
body.no-scroll{overflow:hidden;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:150px 0 90px;
  background-image:
    linear-gradient(180deg,rgba(5,11,20,.82) 0%,rgba(5,11,20,.94) 68%,var(--bg) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,178,92,.1);
  border:1px solid rgba(255,178,92,.28);
  color:var(--amber);font-size:12.5px;font-weight:600;letter-spacing:.06em;
  margin-bottom:20px;
}
.hero h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;margin-bottom:18px;}
.hero-sub{font-size:18px;color:var(--primary-light);font-weight:600;margin-bottom:16px;}
.hero-text{color:var(--muted);font-size:16px;max-width:56ch;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--muted);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-soft);
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(0,0,0,.55);
  background:rgba(47,216,198,.08);
}
.hero-info{
  position:absolute;left:18px;right:18px;bottom:-26px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  padding:16px 18px;
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.info-item{text-align:center;}
.info-item strong{display:block;font-size:24px;font-weight:800;color:var(--amber);letter-spacing:.02em;}
.info-item span{font-size:12.5px;color:var(--muted);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;position:relative;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head .kicker{
  display:block;font-size:12px;letter-spacing:.18em;color:var(--amber);
  font-weight:700;margin-bottom:12px;text-transform:uppercase;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px;}
.section-head p{color:var(--muted);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 筛选标签条 ============ */
.filter-bar{padding:0 0 26px;}
.filter-shell{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:14px 16px;
  border-radius:var(--r-pill);
  background:var(--panel);
  border:1px solid var(--line-soft);
}
.filter-label{font-size:13px;color:var(--dim);letter-spacing:.08em;flex:0 0 auto;}
.chip-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none;}
.chip-row::-webkit-scrollbar{display:none;}
.chip-btn{
  flex:0 0 auto;
  padding:8px 16px;border-radius:var(--r-pill);cursor:pointer;
  font-size:13.5px;color:var(--muted);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.chip-btn:hover{color:var(--text);border-color:var(--line);transform:translateY(-1px);}
.chip-btn.active{
  color:#04170f;font-weight:600;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  border-color:rgba(125,240,228,.5);
  box-shadow:0 6px 18px rgba(47,216,198,.26);
}
.filter-count{margin-left:auto;font-size:13px;color:var(--dim);flex:0 0 auto;}

/* ============ 模块图录网格 ============ */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.module-card{
  display:flex;flex-direction:column;
  background:var(--elev);
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.module-card:hover,.module-card:focus-within{
  transform:translateY(-4px);
  border-color:rgba(125,240,228,.34);
  box-shadow:0 22px 46px rgba(0,0,0,.55),0 0 0 1px rgba(125,240,228,.22);
}
.module-card.is-hidden{display:none;}
.card-media{position:relative;display:block;overflow:hidden;background:rgba(47,216,198,.08);}
.card-media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s var(--ease);}
.module-card:hover .card-media img{transform:scale(1.04);}
.card-index{
  position:absolute;left:14px;top:12px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--amber);
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(5,11,20,.66);
  border:1px solid rgba(255,178,92,.3);
  backdrop-filter:blur(8px);
}
.card-glass{
  position:absolute;left:12px;right:12px;bottom:12px;
  padding:9px 13px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  font-size:12.5px;color:var(--text);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.badge{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  color:var(--amber);
  background:rgba(255,178,92,.1);
  border:1px solid rgba(255,178,92,.26);
}
.badge.badge-cyan{color:var(--primary-light);background:rgba(47,216,198,.1);border-color:rgba(125,240,228,.26);}
.module-card h3{font-size:18px;font-weight:700;}
.module-card .card-desc{font-size:14px;color:var(--muted);line-height:1.8;flex:1 1 auto;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;margin-top:2px;
  border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--dim);
}
.card-foot .arrow{color:var(--primary);font-size:16px;transition:transform var(--ease);}
.module-card:hover .card-foot .arrow{transform:translateX(4px);}

/* 分页 */
.pagination{
  display:flex;align-items:center;justify-content:center;gap:10px;
  margin-top:44px;flex-wrap:wrap;
}
.page-btn{
  min-width:42px;height:42px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  font-size:14px;color:var(--muted);
  background:var(--panel);
  border:1px solid var(--line-soft);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.page-btn:hover{color:var(--primary-light);border-color:var(--line);transform:translateY(-2px);}
.page-btn.current{
  color:#04170f;font-weight:700;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  border-color:rgba(125,240,228,.5);
  box-shadow:0 8px 22px rgba(47,216,198,.26);
}
.page-dots{color:var(--dim);padding:0 4px;letter-spacing:.1em;}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding:30px 28px;
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
}
.stat-item{position:relative;padding-left:18px;}
.stat-item::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-dark));
}
.stat-item strong{display:block;font-size:28px;font-weight:800;color:var(--text);letter-spacing:.02em;}
.stat-item em{font-style:normal;color:var(--amber);font-size:15px;margin-left:2px;}
.stat-item span{font-size:13.5px;color:var(--muted);}

/* ============ 相关推荐横滚 ============ */
.scroll-shell{position:relative;}
.scroll-row{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x proximity;scrollbar-width:none;
}
.scroll-row::-webkit-scrollbar{display:none;}
.rec-card{
  flex:0 0 320px;scroll-snap-align:start;
  display:flex;gap:14px;align-items:center;
  padding:14px;
  background:var(--elev);
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(125,240,228,.32);box-shadow:var(--shadow-card);}
.rec-card img{width:76px;height:76px;flex:0 0 auto;object-fit:cover;border-radius:12px;border:1px solid var(--line-soft);background:rgba(47,216,198,.08);}
.rec-card h3{font-size:15.5px;color:var(--text);margin-bottom:6px;}
.rec-card span{font-size:12.5px;color:var(--dim);}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.faq-item{
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item[open]{border-color:var(--line);background:var(--elev);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;color:var(--primary);
  background:rgba(47,216,198,.1);
  border:1px solid var(--line);
  transition:transform var(--ease),background var(--ease);
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);background:rgba(47,216,198,.18);}
.faq-body{padding:0 20px 20px;color:var(--muted);font-size:15px;line-height:1.8;}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 96px;}
.cta-panel{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:34px 36px;
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-panel h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:10px;}
.cta-panel p{color:var(--muted);font-size:15px;max-width:62ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn.is-saved{background:rgba(47,216,198,.16);color:var(--primary-light);border-color:var(--line);box-shadow:none;filter:none;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;
  background:#040910;
  border-top:1px solid var(--line-soft);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:800;}
.footer-desc{color:var(--muted);font-size:14px;line-height:1.85;max-width:34ch;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{color:var(--muted);font-size:14px;}
.footer-col li a:hover{color:var(--primary-light);}
.footer-col p{color:var(--muted);font-size:14px;margin-bottom:8px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--dim);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-grid{gap:36px;}
  .dock-nav{gap:0;}
  .nav-link{padding:8px 9px;font-size:13.5px;}
}
@media (max-width:1023px){
  .site-header{top:14px;}
  .dock-nav{display:none;}
  .menu-btn{display:inline-flex;}
  .dock{justify-content:space-between;}
  .dock-actions{margin-left:auto;}
  .hero{padding:130px 0 78px;}
  .hero-grid{grid-template-columns:1fr;gap:52px;}
  .hero-text{max-width:none;}
  .module-grid{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:24px;}
  .faq-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
  .section{padding:72px 0;}
  .cta-band{padding-bottom:72px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .header-inner{padding:0 12px;}
  .dock-actions .btn-sm{display:none;}
  .brand-text{font-size:14px;}
  .hero{padding:118px 0 66px;}
  .hero h1{text-align:center;}
  .hero-copy{text-align:center;}
  .hero-sub,.hero-text{margin-left:auto;margin-right:auto;}
  .hero-actions{justify-content:center;}
  .hero-actions .btn{width:100%;}
  .hero-badges{justify-content:center;}
  .eyebrow{margin-left:auto;margin-right:auto;}
  .hero-info{position:static;margin-top:16px;left:auto;right:auto;bottom:auto;}
  .module-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;padding:24px 20px;}
  .cta-panel{padding:26px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .rec-card{flex:0 0 88%;}
}
@media (max-width:420px){
  .pagination .page-btn.hide-xs{display:none;}
}

/* roulang page: category4 */
:root{
  --bg:#050B14;
  --panel:#0A1420;
  --raised:#101D2C;
  --primary:#2FD8C6;
  --primary-dark:#17A99C;
  --primary-light:#7DF0E4;
  --amber:#FFB25C;
  --ok:#3FD68A;
  --warn:#FF7A6B;
  --info:#5FB8FF;
  --text:#E8F3F7;
  --text-2:#9BB2C2;
  --text-3:#62798B;
  --line:rgba(125,240,228,.16);
  --line-soft:rgba(125,240,228,.10);
  --glass:rgba(255,255,255,.045);
  --radius-s:10px;
  --radius-m:18px;
  --radius-l:24px;
  --radius-pill:999px;
  --shadow-card:0 16px 38px rgba(0,0,0,.45);
  --shadow-dock:0 18px 42px rgba(0,0,0,.5);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(720px 520px at 6% 2%,rgba(47,216,198,.09),transparent 68%),
    radial-gradient(760px 560px at 98% 92%,rgba(255,178,92,.07),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(125,240,228,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,240,228,.045) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--primary-light)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.005em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ 浮动 Dock 导航 ============ */
.site-header{position:fixed;top:20px;left:0;right:0;z-index:60;pointer-events:none}
.header-inner{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative}
.dock{
  pointer-events:auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  max-width:1080px;margin:0 auto;
  padding:10px 12px 10px 20px;
  border-radius:var(--radius-pill);
  background:rgba(10,20,32,.74);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-dock),inset 0 1px 0 rgba(255,255,255,.06);
  transition:padding .28s ease,background .28s ease,box-shadow .28s ease;
}
.site-header.scrolled .dock{padding:6px 10px 6px 16px;background:rgba(7,14,23,.9);box-shadow:0 14px 34px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.06)}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex-shrink:0;position:relative;
  background:linear-gradient(135deg,#2FD8C6 0%,#7DF0E4 55%,#17A99C 100%);
  box-shadow:0 0 0 1px rgba(125,240,228,.45),0 6px 16px rgba(47,216,198,.32);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px 6px 6px 7px;border-radius:2px;
  background:
    linear-gradient(#04211E,#04211E) 0 0/5px 3px no-repeat,
    linear-gradient(#04211E,#04211E) 7px 0/5px 3px no-repeat,
    linear-gradient(#04211E,#04211E) 0 6px/5px 3px no-repeat,
    linear-gradient(#04211E,#04211E) 7px 6px/5px 3px no-repeat;
  opacity:.85;
}
.brand-text{font-size:16px;font-weight:800;color:var(--text);white-space:nowrap}
.brand:hover .brand-text{color:var(--primary-light)}
.dock-nav{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:var(--radius-pill);
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:center;transition:transform .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.045)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary-light)}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--radius-pill);cursor:pointer;
  background:rgba(255,255,255,.045);border:1px solid var(--line-soft);color:var(--text-2);
  transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--primary-light);background:rgba(47,216,198,.1);border-color:var(--line)}
.icon-btn:active{transform:translateY(1px)}
.menu-btn{display:none}
.search-pop{
  position:absolute;top:calc(100% + 10px);right:24px;width:min(420px,calc(100% - 48px));
  display:none;align-items:center;gap:10px;padding:10px 12px;
  border-radius:var(--radius-m);background:rgba(10,20,32,.94);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
}
.search-pop.open{display:flex}
.search-pop input{
  flex:1;min-width:0;padding:10px 14px;border-radius:var(--radius-pill);
  background:#0A1420;border:1px solid var(--line-soft);color:var(--text);font-size:14px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.search-pop input::placeholder{color:var(--text-3)}
.search-pop input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,216,198,.18)}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--radius-pill);
  padding:13px 24px;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--primary);color:#04211E;
  box-shadow:0 0 0 1px rgba(125,240,228,.5),0 10px 28px rgba(47,216,198,.28);
}
.btn-primary:hover{background:var(--primary-light);color:#04211E;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(125,240,228,.6),0 14px 36px rgba(47,216,198,.42)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(125,240,228,.45),0 6px 16px rgba(47,216,198,.24)}
.btn-ghost{background:transparent;border-color:rgba(125,240,228,.35);color:var(--primary-light)}
.btn-ghost:hover{background:rgba(47,216,198,.09);border-color:rgba(125,240,228,.6);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;filter:saturate(.4);cursor:not-allowed;transform:none}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(47,216,198,.1);border:1px solid var(--line);color:var(--primary-light);
}
.badge-amber{background:rgba(255,178,92,.12);border-color:rgba(255,178,92,.28);color:var(--amber)}
.badge-plain{background:rgba(255,255,255,.045);border-color:var(--line-soft);color:var(--text-2)}

/* ============ 通用板块 ============ */
main{position:relative;z-index:1}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,2.6vw,34px)}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--amber);font-family:var(--font-mono);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--amber);opacity:.7}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}

/* ============ Hero ============ */
.hero{padding:146px 0 72px;position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary-light)}
.breadcrumb span.sep{color:var(--text-3)}
.breadcrumb .current{color:var(--primary-light)}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;letter-spacing:.005em}
.hero-sub{margin-top:20px;font-size:18px;color:var(--text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-visual{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line-soft);box-shadow:var(--shadow-card)}
.hero-visual img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;background:rgba(47,216,198,.08)}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,11,20,.1) 0%,rgba(5,11,20,.72) 100%)}
.hero-glass{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:2;
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  padding:16px 18px;border-radius:var(--radius-m);
  background:rgba(255,255,255,.045);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.hero-glass .stat{display:flex;flex-direction:column;gap:2px}
.hero-glass .stat b{font-family:var(--font-mono);font-size:22px;color:var(--amber);font-weight:700;line-height:1.2}
.hero-glass .stat span{font-size:12px;color:var(--text-2)}

/* ============ 速览锚点条 ============ */
.quick-nav{position:sticky;top:96px;z-index:20;margin-bottom:38px}
.quick-nav-inner{
  display:flex;align-items:center;gap:10px;overflow-x:auto;
  padding:12px 14px;border-radius:var(--radius-pill);
  background:rgba(10,20,32,.86);border:1px solid var(--line-soft);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:0 10px 26px rgba(0,0,0,.4);
  scrollbar-width:none;
}
.quick-nav-inner::-webkit-scrollbar{display:none}
.quick-nav-label{font-size:12px;font-family:var(--font-mono);color:var(--amber);white-space:nowrap;padding-left:6px}
.quick-chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--line-soft);
  font-size:13px;color:var(--text-2);white-space:nowrap;
  transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease;
}
.quick-chip i{font-style:normal;font-family:var(--font-mono);font-size:11px;color:var(--amber)}
.quick-chip:hover{color:var(--text);background:rgba(47,216,198,.1);border-color:var(--line);transform:translateY(-1px)}

/* ============ 速查分组折叠 ============ */
.group-list{display:flex;flex-direction:column;gap:16px}
.group{
  border:1px solid var(--line-soft);background:var(--panel);
  border-radius:var(--radius-m);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.group:hover{border-color:var(--line)}
.group[open]{border-color:var(--line);box-shadow:0 16px 38px rgba(0,0,0,.35)}
.group>summary{
  display:flex;align-items:center;gap:14px;
  padding:20px 22px;cursor:pointer;list-style:none;
  transition:background .22s ease;
}
.group>summary::-webkit-details-marker{display:none}
.group>summary:hover{background:rgba(47,216,198,.05)}
.group-index{font-family:var(--font-mono);font-size:13px;color:var(--amber);flex-shrink:0}
.group-title{font-size:19px;font-weight:700;flex:1;min-width:0}
.group-count{font-size:12px;color:var(--text-3);padding:4px 10px;border-radius:var(--radius-pill);background:rgba(255,255,255,.045);border:1px solid var(--line-soft);white-space:nowrap}
.group>summary::after{
  content:"+";font-family:var(--font-mono);font-size:20px;line-height:1;
  color:var(--primary);flex-shrink:0;transition:transform .25s ease;
}
.group[open]>summary::after{content:"–";transform:rotate(180deg)}
.rows{padding:0 22px 14px}
.row{
  display:grid;grid-template-columns:232px 1fr;gap:22px;
  padding:16px 4px;border-top:1px solid var(--line-soft);
  transition:background .2s ease;
}
.row:hover{background:rgba(47,216,198,.035)}
.row-term{font-size:15px;font-weight:600;color:var(--text)}
.row-term em{display:block;font-style:normal;font-family:var(--font-mono);font-size:11px;color:var(--text-3);margin-top:3px;letter-spacing:.08em}
.row-desc{font-size:15px;color:var(--text-2)}
.row-desc strong{color:var(--primary-light);font-weight:600}

/* ============ 处理顺序图文 ============ */
.flow-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.steps{display:flex;flex-direction:column;gap:16px;margin-top:26px}
.step{
  display:flex;gap:16px;padding:18px 20px;
  background:var(--raised);border:1px solid var(--line-soft);border-radius:var(--radius-m);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:0 16px 38px rgba(0,0,0,.45),0 0 0 1px rgba(125,240,228,.22)}
.step-num{
  flex-shrink:0;width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:14px;color:var(--amber);
  background:rgba(255,178,92,.1);border:1px solid rgba(255,178,92,.24);
}
.step h3{font-size:16px;margin-bottom:4px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}
.flow-visual{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line-soft);box-shadow:var(--shadow-card);position:relative}
.flow-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;background:rgba(47,216,198,.08)}
.flow-visual figcaption{
  position:absolute;left:14px;right:14px;bottom:14px;
  padding:12px 16px;border-radius:var(--radius-s);
  background:rgba(10,20,32,.82);border:1px solid var(--line-soft);
  font-size:13px;color:var(--text-2);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}

/* ============ CTA 玻璃条 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:38px 40px;border-radius:var(--radius-l);
  background:rgba(255,255,255,.045);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:-80px;right:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,216,198,.22),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px)}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ============ 表单 ============ */
.form-panel{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;
  padding:44px;border-radius:var(--radius-l);
  background:var(--panel);border:1px solid var(--line-soft);box-shadow:var(--shadow-card);
}
.form-intro h2{font-size:clamp(24px,2.6vw,32px)}
.form-intro p{margin-top:16px;color:var(--text-2);font-size:15px}
.form-points{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.form-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2)}
.form-points li::before{content:"";flex-shrink:0;width:6px;height:6px;border-radius:2px;background:var(--primary);margin-top:9px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1/-1}
.field label{font-size:13px;color:var(--text-2);font-weight:600;letter-spacing:.02em}
.field input,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-s);
  background:#0A1420;border:1px solid var(--line-soft);color:var(--text);
  font-size:15px;transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,216,198,.18);background:#0C1826}
.field.has-error input,.field.has-error textarea{border-color:var(--warn);box-shadow:0 0 0 3px rgba(255,122,107,.14)}
.field-hint{font-size:12px;color:var(--text-3)}
.field-error{font-size:12px;color:var(--warn);display:none}
.field.has-error .field-error{display:block}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-tip{font-size:13px;color:var(--ok);opacity:0;transform:translateY(4px);transition:opacity .25s ease,transform .25s ease}
.form-tip.show{opacity:1;transform:translateY(0)}

/* ============ 页脚 ============ */
.site-footer{position:relative;z-index:1;margin-top:40px;padding:72px 0 0;border-top:1px solid var(--line-soft);background:linear-gradient(180deg,rgba(10,20,32,.5) 0%,rgba(5,11,20,.95) 100%)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-2);max-width:320px;line-height:1.8}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--primary-light)}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8}
.footer-col p + p{margin-top:10px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}

/* ============ 移动端抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(3,7,13,.68);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(360px,86vw);
  display:flex;flex-direction:column;gap:24px;padding:26px 24px;
  background:rgba(10,20,32,.96);
  border-left:1px solid var(--line);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:-24px 0 60px rgba(0,0,0,.5);
  overflow-y:auto;
  animation:drawerIn .28s ease;
}
@keyframes drawerIn{from{transform:translateX(18px);opacity:.4}to{transform:translateX(0);opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  display:block;padding:13px 14px;border-radius:var(--radius-s);
  font-size:15px;color:var(--text-2);background:rgba(255,255,255,.03);border:1px solid transparent;
  transition:color .22s ease,background .22s ease,border-color .22s ease;
}
.drawer-nav a:hover{color:var(--text);background:rgba(47,216,198,.09);border-color:var(--line)}
.drawer-nav a.active{color:var(--primary-light);border-color:var(--line);background:rgba(47,216,198,.1)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .dock-nav{display:none}
  .menu-btn{display:inline-flex}
}
@media (max-width:1024px){
  .hero{padding:130px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:none}
  .hero-visual{max-width:640px}
  .flow-grid{grid-template-columns:1fr;gap:36px}
  .form-panel{grid-template-columns:1fr;gap:32px;padding:32px}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .quick-nav{top:88px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .header-inner{padding:0 16px}
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .brand-text{font-size:15px}
  .hero{padding:118px 0 48px}
  .hero-badges{gap:8px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-glass{grid-template-columns:repeat(3,1fr);gap:8px;padding:12px 14px;left:12px;right:12px;bottom:12px}
  .hero-glass .stat b{font-size:18px}
  .hero-glass .stat span{font-size:11px}
  .section{padding:56px 0}
  .row{grid-template-columns:1fr;gap:8px;padding:14px 2px}
  .rows{padding:0 16px 12px}
  .group>summary{padding:16px 16px}
  .group-title{font-size:17px}
  .group-count{display:none}
  .cta-band{padding:28px 22px;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;min-width:140px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-desc{max-width:none}
  .form-panel{padding:26px 20px}
}
@media (max-width:560px){
  .dock{padding:7px 8px 7px 12px}
  .brand-text{font-size:14px}
  .dock-actions .btn{display:none}
  .hero-visual img{aspect-ratio:16/9}
  .hero-glass{position:static;margin-top:-1px;border-radius:0 0 var(--radius-m) var(--radius-m);left:0;right:0;bottom:0;background:rgba(10,20,32,.9)}
  .hero-visual::after{display:none}
  .hero-glass .stat{text-align:center}
  .quick-nav{position:static}
  .quick-nav-inner{border-radius:var(--radius-m);flex-wrap:nowrap}
  .btn{width:100%}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .form-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}