/* roulang page: index */
:root{
  --bg:#0B0910;
  --panel:#141020;
  --card:#1A1428;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --lime:#C9F73A;
  --magenta:#FF3D7F;
  --amber:#FFC46B;
  --text:#EDEAF5;
  --muted:#A9A2BE;
  --r-card:14px;
  --r-btn:10px;
  --shadow-card:0 8px 24px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(201,247,58,.35), 0 12px 32px rgba(201,247,58,.12);
  --max:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(201,247,58,.28);}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0B0910;}
::-webkit-scrollbar-thumb{background:#2A2340;border-radius:999px;border:2px solid #0B0910;}
::-webkit-scrollbar-thumb:hover{background:#3A3157;}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ============ 公告条 ============ */
.announce{
  background:linear-gradient(90deg,rgba(201,247,58,.14),rgba(255,61,127,.12));
  border-bottom:1px solid var(--line);
  font-size:13.5px;
  color:var(--text);
}
.announce-inner{display:flex;align-items:center;gap:12px;min-height:42px;padding:6px 0;}
.announce .tag{
  background:var(--lime);color:#12100A;font-weight:700;border-radius:999px;
  padding:2px 10px;font-size:12px;white-space:nowrap;
}
.announce p{margin:0;color:var(--muted);}
.announce p strong{color:var(--text);font-weight:700;}
.announce-close{
  margin-left:auto;background:transparent;border:1px solid var(--line-strong);color:var(--muted);
  width:26px;height:26px;border-radius:8px;cursor:pointer;line-height:1;flex:none;
  transition:all .2s ease;
}
.announce-close:hover{color:var(--lime);border-color:rgba(201,247,58,.5);}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,9,16,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:34px;height:34px;flex:none;
  background:linear-gradient(135deg,var(--lime),#8FBE1E);
  color:#12100A;font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  clip-path:polygon(22% 0,100% 0,100% 78%,78% 100%,0 100%,0 22%);
}
.logo-text{font-weight:800;font-size:18px;letter-spacing:-.01em;}
.logo-text small{display:block;font-size:10.5px;font-weight:500;color:var(--muted);letter-spacing:.14em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-links a{
  padding:8px 12px;border-radius:8px;font-size:14.5px;color:var(--muted);
  border:1px solid transparent;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-links a.active{color:var(--lime);background:rgba(201,247,58,.08);border-color:rgba(201,247,58,.22);}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search{
  display:flex;align-items:center;gap:8px;background:var(--panel);
  border:1px solid var(--line-strong);border-radius:var(--r-btn);
  padding:7px 10px;width:280px;transition:all .2s ease;
}
.search:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,247,58,.15);}
.search i{color:var(--muted);font-size:13px;}
.search input{background:transparent;border:0;outline:0;width:100%;font-size:14px;}
.search input::placeholder{color:#6E6788;}
.search kbd{
  font-size:11px;color:var(--muted);border:1px solid var(--line-strong);
  border-radius:6px;padding:1px 6px;background:rgba(255,255,255,.03);white-space:nowrap;
}
.tool-select{
  background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--r-btn);
  padding:7px 10px;font-size:13.5px;color:var(--muted);cursor:pointer;
}
.tool-select:hover{color:var(--text);border-color:rgba(255,255,255,.24);}
.burger{
  display:none;background:var(--panel);border:1px solid var(--line-strong);color:var(--text);
  width:40px;height:38px;border-radius:var(--r-btn);cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(11,9,16,.98);
  padding:14px 20px 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px;color:var(--muted);
}
.mobile-drawer a.active{color:var(--lime);}
.mobile-drawer .mobile-cta{margin-top:16px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-btn);font-size:14.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{
  background:var(--lime);color:#12100A;
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 24px rgba(201,247,58,.35);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:rgba(201,247,58,.55);color:var(--lime);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.55;transform:scale(1.02);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(90deg,#0B0910 8%,rgba(11,9,16,.86) 44%,rgba(11,9,16,.55) 100%);
}
.hero-glow{
  position:absolute;top:-140px;left:-80px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,247,58,.20),rgba(201,247,58,0) 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;
  padding-top:76px;padding-bottom:76px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(201,247,58,.35);color:var(--lime);
  background:rgba(201,247,58,.07);border-radius:999px;padding:5px 14px;
  font-size:12.5px;letter-spacing:.06em;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
}
.hero h1{
  font-size:clamp(28px,3.4vw,46px);margin:20px 0 18px;line-height:1.28;
}
.hero h1 em{color:var(--lime);font-style:normal;}
.hero-lead{color:var(--muted);font-size:16px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 30px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:22px;border-top:1px solid var(--line);padding-top:18px;
}
.hero-stats li{font-size:13.5px;color:var(--muted);}
.hero-stats b{display:block;color:var(--text);font-size:19px;font-weight:800;}
.hero-code{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.code-head{
  display:flex;align-items:center;gap:8px;padding:11px 16px;border-bottom:1px solid var(--line);
  font-size:12.5px;color:var(--muted);letter-spacing:.04em;
}
.code-head .dot{width:8px;height:8px;border-radius:50%;background:var(--magenta);}
.code-head .dot.two{background:var(--amber);}
.code-head .dot.three{background:var(--lime);}
.hero-code pre{
  margin:0;padding:18px 16px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;line-height:1.85;color:#D7D2E8;overflow-x:auto;
}
.hero-code .k{color:var(--lime);}
.hero-code .c{color:#6E6788;}
.hero-code .s{color:var(--amber);}
.code-foot{
  border-top:1px solid var(--line);padding:11px 16px;font-size:12.5px;color:var(--muted);
  display:flex;justify-content:space-between;gap:10px;
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;border-bottom:1px solid var(--line);}
.section.alt{background:#0E0B16;}
.section-head{margin-bottom:34px;max-width:840px;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--magenta);margin-bottom:12px;font-weight:700;
}
.section-title{font-size:clamp(22px,2.4vw,32px);}
.section-sub{color:var(--muted);margin-top:14px;font-size:15.5px;}

/* ============ 指标看板 ============ */
.stat-board{display:grid;grid-template-columns:repeat(6,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel);}
.stat-card{padding:26px 24px;border-right:1px solid var(--line);position:relative;}
.stat-card:last-child{border-right:0;}
.stat-card.big{grid-column:span 3;background:linear-gradient(135deg,rgba(201,247,58,.07),rgba(20,16,32,0));}
.stat-card.small{grid-column:span 2;border-top:1px solid var(--line);}
.stat-card .label{font-size:13px;color:var(--muted);}
.stat-card .value{font-size:42px;font-weight:800;line-height:1.1;margin:10px 0 6px;color:var(--lime);font-variant-numeric:tabular-nums;}
.stat-card.small .value{font-size:32px;color:var(--text);}
.stat-card .note{font-size:13px;color:var(--muted);}
.stat-card i.deco{
  position:absolute;right:20px;top:22px;color:var(--magenta);opacity:.5;font-size:15px;
}

/* ============ Bento 模块矩阵 ============ */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.bento-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);transition:all .25s ease;position:relative;overflow:hidden;
}
.bento-item:hover{border-color:rgba(201,247,58,.35);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.bento-item .ico{
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  background:rgba(201,247,58,.12);color:var(--lime);font-size:16px;margin-bottom:16px;
  clip-path:polygon(20% 0,100% 0,100% 80%,80% 100%,0 100%,0 20%);
}
.bento-item h3{font-size:17px;margin-bottom:10px;}
.bento-item p{font-size:14px;color:var(--muted);margin:0;}
.bento-item.hero-cell{
  grid-column:span 2;grid-row:span 2;padding:30px;display:flex;flex-direction:column;justify-content:space-between;
  background:linear-gradient(150deg,#1F1830,#161126 70%);
}
.bento-item.hero-cell h3{font-size:23px;}
.bento-item.hero-cell .mini-list{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}
.bento-item.wide{grid-column:span 2;}
.pill{
  display:inline-block;border-radius:999px;padding:4px 12px;font-size:12px;
  border:1px solid var(--line-strong);color:var(--muted);
}
.pill.lime{border-color:rgba(201,247,58,.4);color:var(--lime);background:rgba(201,247,58,.08);}
.pill.magenta{border-color:rgba(255,61,127,.4);color:var(--magenta);background:rgba(255,61,127,.08);}
.pill.amber{border-color:rgba(255,196,107,.4);color:var(--amber);background:rgba(255,196,107,.08);}

/* ============ 对比 ============ */
.compare{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);overflow:hidden;
}
.compare table{width:100%;border-collapse:collapse;}
.compare th,.compare td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:middle;}
.compare thead th{font-size:13px;color:var(--muted);letter-spacing:.04em;background:rgba(255,255,255,.02);}
.compare thead th.new{color:var(--lime);}
.compare thead th.old{color:var(--magenta);}
.compare td.dim{color:var(--muted);}
.compare tbody tr:last-child td{border-bottom:0;}
.compare tbody tr:hover{background:rgba(255,255,255,.02);}
.bar{height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;margin-bottom:6px;}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),#86B320);}
.bar.alt span{background:linear-gradient(90deg,var(--magenta),#9B2350);}
.bar-note{font-size:12.5px;color:var(--muted);}

/* ============ 里程碑 ============ */
.timeline{position:relative;padding:20px 0 0;}
.timeline-line{position:absolute;left:0;right:0;top:52px;height:1px;background:var(--line-strong);}
.timeline-track{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;}
.tl-node{text-align:left;}
.tl-dot{
  width:12px;height:12px;border-radius:50%;background:var(--amber);margin:0 auto 22px;
  box-shadow:0 0 0 6px rgba(255,196,107,.12);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px;
  box-shadow:var(--shadow-card);transition:all .25s ease;
}
.tl-card:hover{border-color:rgba(255,196,107,.45);transform:translateY(-2px);}
.tl-track .tl-node:nth-child(even) .tl-card{transform:translateY(26px);}
.tl-track .tl-node:nth-child(even) .tl-card:hover{transform:translateY(24px);}
.tl-card .ver{font-size:13px;color:var(--amber);font-weight:700;}
.tl-card h3{font-size:16px;margin:8px 0 8px;}
.tl-card p{font-size:13.5px;color:var(--muted);margin:0;}

/* ============ 目录索引 ============ */
.doc-index{display:grid;grid-template-columns:1fr 1fr;gap:28px 40px;}
.doc-group{border-top:1px solid var(--line-strong);padding-top:16px;}
.doc-group h3{font-size:15px;color:var(--lime);margin-bottom:14px;letter-spacing:.02em;}
.doc-group li{border-bottom:1px solid var(--line);}
.doc-group a{
  display:flex;justify-content:space-between;gap:14px;padding:11px 6px;font-size:14.5px;color:var(--muted);
  border-left:2px solid transparent;
}
.doc-group a span{font-size:12.5px;color:#6E6788;white-space:nowrap;}
.doc-group a:hover{color:var(--text);border-left-color:var(--lime);background:rgba(201,247,58,.05);padding-left:12px;}

/* ============ 资讯 ============ */
.news-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:28px;align-items:start;}
.news-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:all .25s ease;
}
.news-main:hover{border-color:rgba(201,247,58,.35);box-shadow:var(--shadow-hover);}
.news-main figure{margin:0;position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:14px 14px 0 0;}
.news-main figure img{width:100%;height:100%;object-fit:cover;}
.news-main figure::after{content:"";position:absolute;inset:0;background:rgba(11,9,16,.12);}
.news-main .body{padding:22px;}
.news-main h3{font-size:19px;margin:10px 0 10px;}
.news-main p{font-size:14px;color:var(--muted);}
.news-rows{display:flex;flex-direction:column;}
.news-row{
  display:grid;grid-template-columns:104px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);
  align-items:center;
}
.news-row:first-child{padding-top:0;}
.news-row:hover h3{color:var(--lime);}
.news-row figure{margin:0;aspect-ratio:3/2;overflow:hidden;border-radius:10px;background:var(--card);}
.news-row figure img{width:100%;height:100%;object-fit:cover;}
.news-row h3{font-size:15px;margin-bottom:6px;transition:color .2s ease;}
.news-row .meta{font-size:12.5px;color:#6E6788;display:flex;gap:12px;flex-wrap:wrap;}
.more-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;color:var(--lime);font-weight:700;font-size:14.5px;
}
.more-link:hover{gap:12px;}

/* ============ 平台保障 ============ */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.guarantee-item{
  border:1px solid var(--line-strong);border-radius:var(--r-card);padding:22px;background:transparent;
  transition:all .25s ease;
}
.guarantee-item:hover{border-color:rgba(201,247,58,.4);background:rgba(201,247,58,.04);}
.guarantee-item i{color:var(--lime);font-size:16px;}
.guarantee-item h3{font-size:16px;margin:12px 0 8px;}
.guarantee-item p{font-size:13.5px;color:var(--muted);margin:0;}

/* ============ 快速解答 ============ */
.qa-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.qa-row{display:grid;grid-template-columns:280px 1fr;gap:20px;padding:16px 22px;font-size:14.5px;}
.qa-row:nth-child(odd){background:rgba(255,255,255,.025);}
.qa-row .q{color:var(--lime);font-weight:700;}
.qa-row .a{color:var(--muted);}

/* ============ 专题合集 ============ */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:all .25s ease;display:grid;grid-template-columns:180px 1fr;
}
.scene-card.wide{grid-column:span 2;grid-template-columns:280px 1fr;}
.scene-card:hover{border-color:rgba(255,61,127,.4);box-shadow:0 0 0 1px rgba(255,61,127,.28),0 12px 32px rgba(255,61,127,.1);}
.scene-card figure{margin:0;aspect-ratio:1/1;overflow:hidden;}
.scene-card.wide figure{aspect-ratio:16/10;}
.scene-card figure img{width:100%;height:100%;object-fit:cover;}
.scene-card .body{padding:22px;}
.scene-card h3{font-size:18px;margin:12px 0 10px;}
.scene-card p{font-size:14px;color:var(--muted);}

/* ============ 资源清单 ============ */
.res-table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.res-table thead th{
  background:rgba(255,255,255,.03);font-size:13px;color:var(--muted);text-align:left;
  padding:14px 18px;border-bottom:1px solid var(--line);letter-spacing:.04em;
}
.res-table td{padding:15px 18px;font-size:14px;border-bottom:1px solid var(--line);color:var(--text);vertical-align:top;}
.res-table tbody tr{transition:all .2s ease;border-left:3px solid transparent;}
.res-table tbody tr:hover{background:rgba(201,247,58,.05);border-left-color:var(--lime);}
.res-table tbody tr:last-child td{border-bottom:0;}
.res-table td.name{font-weight:700;}
.res-table td.dim{color:var(--muted);}

/* ============ 分类入口 ============ */
.cat-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.cat-cloud a{
  border:1px solid var(--line-strong);border-radius:999px;padding:8px 18px;font-size:14px;color:var(--muted);
  transition:all .2s ease;
}
.cat-cloud a:hover{color:#12100A;background:var(--lime);border-color:var(--lime);}
.cat-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:22px;}
.cat-card{
  border:1px solid var(--line);background:var(--card);border-radius:var(--r-card);padding:20px;
  transition:all .25s ease;
}
.cat-card:hover{border-color:rgba(201,247,58,.4);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.cat-card h3{font-size:16px;margin-bottom:8px;}
.cat-card p{font-size:13.5px;color:var(--muted);margin:0;}

/* ============ FAQ ============ */
.faq-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:700;
  display:flex;justify-content:space-between;gap:16px;align-items:center;transition:all .2s ease;
  border-left:3px solid transparent;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(255,255,255,.025);color:var(--lime);}
.faq-item summary .plus{color:var(--muted);font-size:13px;transition:transform .2s ease;}
.faq-item[open] summary{border-left-color:var(--lime);color:var(--lime);}
.faq-item[open] summary .plus{transform:rotate(45deg);color:var(--lime);}
.faq-body{padding:0 22px 20px 25px;color:var(--muted);font-size:14.5px;animation:fadeIn .2s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ============ 更新日志 ============ */
.log-list{border-top:1px solid var(--line-strong);}
.log-item{
  display:flex;gap:18px;align-items:flex-start;padding:14px 6px;border-bottom:1px solid var(--line);font-size:14px;
}
.log-item .date{
  flex:none;font-size:12.5px;color:#12100A;background:var(--amber);border-radius:999px;padding:2px 12px;
  font-weight:700;font-variant-numeric:tabular-nums;
}
.log-item p{margin:0;color:var(--muted);}
.log-item p b{color:var(--text);}

/* ============ 表单 ============ */
.contact-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:start;}
.contact-points{margin-top:22px;}
.contact-points li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--muted);}
.contact-points i{color:var(--lime);margin-top:5px;}
.form-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  box-shadow:var(--shadow-card);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;background:var(--panel);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-btn);
  padding:11px 14px;font-size:14.5px;outline:0;transition:all .2s ease;
}
.field textarea{min-height:110px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,247,58,.15);
}
.field input::placeholder,.field textarea::placeholder{color:#6E6788;}
.form-note{font-size:12.5px;color:#6E6788;margin-top:14px;}
.form-result{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--r-btn);
  border:1px solid rgba(201,247,58,.35);background:rgba(201,247,58,.08);color:var(--lime);font-size:14px;
}
.form-result.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:#0A0810;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand p{font-size:14px;color:var(--muted);margin-top:16px;}
.footer-domain{font-size:13px;color:#6E6788;margin-top:14px;}
.footer-col h3{font-size:14px;letter-spacing:.1em;color:var(--text);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--lime);}
.footer-sub{display:flex;gap:10px;margin-top:14px;}
.footer-sub input{
  flex:1;background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--r-btn);
  padding:10px 12px;font-size:14px;outline:0;
}
.footer-sub input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,247,58,.14);}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#6E6788;
}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .nav-links{display:none;}
  .search{width:200px;}
  .burger{display:inline-flex;align-items:center;justify-content:center;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-item.hero-cell{grid-column:span 2;grid-row:auto;}
  .bento-item.wide{grid-column:span 2;}
  .timeline-track{grid-template-columns:repeat(3,1fr);}
  .timeline-line{display:none;}
  .tl-track .tl-node:nth-child(even) .tl-card{transform:none;}
  .news-grid{grid-template-columns:1fr;}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .contact-wrap{grid-template-columns:1fr;gap:30px;}
  .scene-card,.scene-card.wide{grid-column:span 2;grid-template-columns:220px 1fr;}
}
@media (max-width:900px){
  .stat-board{grid-template-columns:repeat(2,1fr);}
  .stat-card.big,.stat-card.small{grid-column:span 2;border-right:0;}
  .stat-card{border-bottom:1px solid var(--line);}
  .doc-index{grid-template-columns:1fr;}
  .cat-cards{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero-inner{padding-top:52px;padding-bottom:52px;}
  .timeline-track{grid-template-columns:1fr;}
  .guarantee-grid{grid-template-columns:1fr;}
  .qa-row{grid-template-columns:1fr;gap:6px;}
  .footer-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .search{display:none;}
  .tool-select{display:none;}
  .compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
  .compare-scroll table{min-width:560px;}
  .scene-card,.scene-card.wide{grid-template-columns:1fr;}
  .scene-card figure,.scene-card.wide figure{aspect-ratio:16/9;}
  .res-table thead{display:none;}
  .res-table,.res-table tbody,.res-table tr,.res-table td{display:block;width:100%;}
  .res-table tr{border-bottom:1px solid var(--line);padding:6px 0;}
  .res-table tr:last-child{border-bottom:0;}
  .res-table td{border:0;padding:6px 18px;}
  .res-table td.name{font-size:15px;padding-top:12px;}
  .res-table td.dim::before{content:"说明：";color:#6E6788;}
  .news-row{grid-template-columns:84px 1fr;}
  .hero-stats{gap:16px 26px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero h1{font-size:26px;}
  .stat-card .value{font-size:34px;}
  .stat-card.small .value{font-size:26px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .footer-sub{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --bg:#0B0910;
  --panel:#141020;
  --card:#1A1428;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --lime:#C9F73A;
  --magenta:#FF3D7F;
  --amber:#FFC46B;
  --text:#EDEAF5;
  --muted:#A9A2BE;
  --r-card:14px;
  --r-btn:10px;
  --shadow-card:0 8px 24px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(201,247,58,.35), 0 12px 32px rgba(201,247,58,.12);
  --max:1280px;
  --shell:1440px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
html body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:0;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
body a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
body p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(201,247,58,.7);outline-offset:2px;}
::selection{background:rgba(201,247,58,.28);color:#12100A;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0B0910;}
::-webkit-scrollbar-thumb{background:#2A2340;border-radius:999px;border:2px solid #0B0910;}
::-webkit-scrollbar-thumb:hover{background:#3A3155;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ===== 公告条 ===== */
.announce{background:linear-gradient(90deg,rgba(201,247,58,.10),rgba(255,61,127,.08));border-bottom:1px solid var(--line);}
.announce-inner{display:flex;align-items:center;gap:12px;min-height:44px;font-size:13.5px;color:var(--muted);}
.announce .tag{background:var(--lime);color:#12100A;font-weight:800;border-radius:999px;padding:1px 10px;font-size:12px;flex:none;}
.announce-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.announce-close{background:transparent;border:1px solid var(--line-strong);color:var(--muted);border-radius:8px;padding:3px 10px;font-size:12.5px;cursor:pointer;flex:none;}
.announce-close:hover{color:var(--lime);border-color:rgba(201,247,58,.5);}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(11,9,16,.85);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:16px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:34px;height:34px;flex:none;background:linear-gradient(135deg,var(--lime),#8FBE1E);
  color:#12100A;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;
  clip-path:polygon(22% 0,100% 0,100% 78%,78% 100%,0 100%,0 22%);
}
.logo-text{font-weight:800;font-size:18px;letter-spacing:-.01em;line-height:1.15;}
.logo-text small{display:block;font-size:10.5px;font-weight:500;color:var(--muted);letter-spacing:.14em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-links a{padding:8px 12px;border-radius:8px;font-size:14.5px;color:var(--muted);border:1px solid transparent;white-space:nowrap;}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-links a.active{color:var(--lime);background:rgba(201,247,58,.08);border-color:rgba(201,247,58,.22);}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--r-btn);padding:7px 10px;width:270px;transition:all .2s ease;}
.search:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,247,58,.15);}
.search i{color:var(--muted);font-size:13px;}
.search input{background:transparent;border:0;outline:0;width:100%;font-size:14px;}
.search input::placeholder{color:#6E6788;}
.search kbd{font-size:11px;color:var(--muted);border:1px solid var(--line-strong);border-radius:6px;padding:1px 6px;background:rgba(255,255,255,.03);white-space:nowrap;}
.tool-select{background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--r-btn);padding:7px 10px;font-size:13.5px;color:var(--muted);cursor:pointer;}
.tool-select:hover{color:var(--text);border-color:rgba(255,255,255,.24);}
.icon-btn{
  display:none;align-items:center;justify-content:center;width:38px;height:38px;flex:none;
  background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--r-btn);
  color:var(--muted);cursor:pointer;font-size:15px;
}
.icon-btn:hover{color:var(--lime);border-color:rgba(201,247,58,.45);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;
  border-radius:var(--r-btn);font-size:14.5px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{
  background:var(--lime);color:#12100A;
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 24px rgba(201,247,58,.35);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:rgba(201,247,58,.55);color:var(--lime);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ===== 文档式主体布局 ===== */
.doc-shell{
  max-width:var(--shell);margin:0 auto;padding:34px 20px 76px;
  display:grid;grid-template-columns:256px minmax(0,1fr);gap:40px;align-items:start;
}
.doc-side{
  position:sticky;top:92px;max-height:calc(100vh - 120px);overflow-y:auto;
  padding-right:6px;border-right:1px solid var(--line);
}
.toc-group+.toc-group{margin-top:24px;}
.toc-title{font-size:11.5px;letter-spacing:.16em;color:#6E6788;font-weight:700;margin-bottom:10px;padding-left:12px;}
.toc-link{
  display:block;position:relative;padding:8px 12px;border-radius:8px;font-size:14px;
  color:var(--muted);border-left:3px solid transparent;line-height:1.5;
}
.toc-link:hover{background:rgba(255,255,255,.05);color:var(--text);}
.toc-link.active{color:var(--lime);background:rgba(201,247,58,.08);border-left-color:var(--lime);font-weight:700;}
.toc-link i{font-size:11px;color:#5F5878;margin-right:7px;}
.toc-link.active i{color:var(--lime);}
.drawer-mask{position:fixed;inset:0;background:rgba(6,5,10,.66);z-index:70;opacity:0;pointer-events:none;transition:opacity .25s ease;}
.drawer-mask.open{opacity:1;pointer-events:auto;}

.doc-main{min-width:0;}
.doc-section{padding:36px 0;border-bottom:1px solid var(--line);}
.doc-section:first-child{padding-top:0;}
.doc-section:last-child{border-bottom:0;padding-bottom:0;}
.sec-head{margin-bottom:26px;}
.sec-head h2{font-size:clamp(20px,2.1vw,26px);line-height:1.3;}
.sec-head p{color:var(--muted);font-size:14.5px;margin:8px 0 0;max-width:760px;}

/* ===== 1. 分类头部 ===== */
.cat-head{
  border:1px solid var(--line);border-radius:var(--r-card);padding:26px 28px;
  background:linear-gradient(160deg,rgba(201,247,58,.07),rgba(26,20,40,.92) 46%);
  box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:minmax(0,1fr) 236px;gap:28px;
}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:14px;}
.crumbs a:hover{color:var(--lime);}
.crumbs span{color:#5F5878;}
.cat-head h1{font-size:clamp(23px,2.7vw,33px);line-height:1.3;}
.cat-head h1 em{color:var(--lime);font-style:normal;}
.cat-lead{color:var(--muted);font-size:15px;margin:14px 0 0;max-width:640px;}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.cat-facts{border-left:1px solid var(--line);padding-left:24px;display:flex;flex-direction:column;gap:16px;justify-content:center;}
.cat-facts b{display:block;font-size:22px;font-weight:800;color:var(--lime);line-height:1.2;}
.cat-facts span{font-size:12.5px;color:var(--muted);}
.cat-facts .plain{color:var(--text);font-size:17px;}

/* ===== 2. 指标条 ===== */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);background:var(--panel);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.metric-strip > div{padding:15px 18px;border-right:1px solid var(--line);}
.metric-strip > div:last-child{border-right:0;}
.metric-strip b{font-size:20px;font-weight:800;color:var(--text);line-height:1.25;}
.metric-strip b.lime{color:var(--lime);}
.metric-strip span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;}

/* ===== 3. 筛选 chips ===== */
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line-strong);font-size:13.5px;color:var(--muted);
  background:rgba(255,255,255,.02);cursor:pointer;transition:all .2s ease;
}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.28);}
.chip.is-active{background:rgba(201,247,58,.12);border-color:rgba(201,247,58,.45);color:var(--lime);font-weight:700;}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--magenta);}
.chip.is-active .dot{background:var(--lime);}

/* ===== 4. 行式列表 ===== */
.row-list{border-top:1px solid var(--line);}
.row-item{
  display:grid;grid-template-columns:112px minmax(0,1fr);gap:20px;padding:20px 6px;
  border-bottom:1px solid var(--line);transition:background .2s ease;
}
.row-item:hover{background:rgba(255,255,255,.03);}
.row-thumb{width:112px;aspect-ratio:16/10;border-radius:10px;overflow:hidden;position:relative;border:1px solid var(--line);background:var(--panel);}
.row-thumb img{width:100%;height:100%;object-fit:cover;}
.row-thumb::after{content:"";position:absolute;inset:0;background:rgba(11,9,16,.12);}
.row-item h3{font-size:17px;margin-bottom:6px;transition:color .2s ease;}
.row-item:hover h3{color:var(--lime);}
.row-item p{color:var(--muted);font-size:14.5px;margin:0 0 10px;}
.row-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:#7C7594;align-items:center;}
.badge{
  display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:12px;
  border:1px solid rgba(255,61,127,.4);color:var(--magenta);background:rgba(255,61,127,.08);
}
.badge.lime{border-color:rgba(201,247,58,.4);color:var(--lime);background:rgba(201,247,58,.08);}
.badge.amber{border-color:rgba(255,196,107,.4);color:var(--amber);background:rgba(255,196,107,.08);}
.list-more{display:flex;justify-content:center;padding-top:26px;}

/* ===== 5. 精选推荐 ===== */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pick-card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;background:var(--card);box-shadow:var(--shadow-card);transition:all .25s ease;
}
.pick-card:hover{transform:translateY(-2px);border-color:rgba(201,247,58,.3);box-shadow:var(--shadow-hover);}
.pick-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.pick-body{padding:16px 18px 20px;}
.pick-body h3{font-size:16px;margin-bottom:8px;}
.pick-body p{font-size:13.5px;color:var(--muted);margin:0 0 10px;}
.pick-body span{font-size:12.5px;color:#7C7594;}

/* ===== 6. 快速解答 ===== */
.qa-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel);}
.qa-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:18px;padding:14px 20px;font-size:14.5px;border-bottom:1px solid var(--line);}
.qa-row:nth-child(odd){background:rgba(255,255,255,.025);}
.qa-row:last-child{border-bottom:0;}
.qa-row b{color:var(--text);font-weight:700;}
.qa-row span{color:var(--muted);}

/* ===== 7. FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item[open]{border-color:rgba(201,247,58,.35);box-shadow:0 0 0 1px rgba(201,247,58,.12);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 20px;font-weight:700;font-size:15.5px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--lime);font-size:20px;line-height:1;flex:none;}
.faq-item[open] summary::after{content:"–";}
.faq-body{position:relative;padding:0 20px 18px 24px;color:var(--muted);font-size:14.5px;animation:fadeIn .22s ease;}
.faq-item[open] .faq-body::before{content:"";position:absolute;left:8px;top:4px;bottom:18px;width:3px;border-radius:2px;background:var(--lime);}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ===== 8. 分类入口 ===== */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.entry-card{
  display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--line);
  border-radius:var(--r-card);background:var(--panel);transition:all .22s ease;
}
.entry-card:hover{border-color:rgba(201,247,58,.4);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.entry-icon{
  width:38px;height:38px;flex:none;display:flex;align-items:center;justify-content:center;
  border-radius:10px;background:rgba(201,247,58,.12);color:var(--lime);font-size:15px;
  clip-path:polygon(20% 0,100% 0,100% 80%,80% 100%,0 100%,0 20%);
}
.entry-card b{display:block;font-size:15px;}
.entry-card small{color:var(--muted);font-size:12.5px;}
.entry-card .arrow{margin-left:auto;color:#5F5878;font-size:13px;}
.entry-card:hover .arrow{color:var(--lime);}

/* ===== 9. 订阅 CTA ===== */
.sub-cta{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center;
  border:1px solid var(--line);border-radius:var(--r-card);padding:26px 28px;
  background:linear-gradient(120deg,rgba(255,61,127,.07),rgba(20,16,32,.92) 58%);
}
.sub-cta h3{font-size:19px;margin-bottom:8px;}
.sub-cta p{color:var(--muted);font-size:14px;margin:0;}
.sub-form{display:flex;gap:10px;}
.sub-form input{
  flex:1;min-width:0;background:var(--panel);border:1px solid var(--line-strong);
  border-radius:var(--r-btn);padding:11px 14px;font-size:14.5px;outline:0;transition:all .2s ease;
}
.sub-form input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,247,58,.15);}
.form-note{font-size:12.5px;color:var(--muted);margin:10px 0 0;transition:color .2s ease;}

/* ===== 页脚 ===== */
.site-footer{border-top:1px solid var(--line);background:#0A080F;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;}
.footer-brand p{color:var(--muted);font-size:14px;margin:14px 0 0;max-width:420px;}
.footer-domain{font-size:12.5px;color:#6E6788;letter-spacing:.06em;margin-top:14px;}
.footer-col h3{font-size:14px;margin-bottom:14px;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.footer-sub{display:flex;gap:8px;margin-top:6px;}
.footer-sub input{
  flex:1;min-width:0;background:var(--panel);border:1px solid var(--line-strong);
  border-radius:var(--r-btn);padding:9px 12px;font-size:13.5px;outline:0;transition:all .2s ease;
}
.footer-sub input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,247,58,.15);}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:12px;font-size:13px;color:#7C7594;
}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .icon-btn{display:inline-flex;}
  .nav-links,.search,.tool-select{display:none;}
  .doc-shell{grid-template-columns:1fr;gap:0;padding-top:24px;}
  .doc-side{
    position:fixed;top:0;left:0;bottom:0;width:86%;max-width:320px;max-height:none;
    background:#0F0C16;border-right:1px solid var(--line);border-left:0;
    padding:26px 18px 48px;z-index:80;transform:translateX(-102%);
    transition:transform .28s ease;overflow-y:auto;
  }
  .doc-side.open{transform:translateX(0);box-shadow:24px 0 60px rgba(0,0,0,.6);}
  .cat-head{grid-template-columns:1fr;gap:20px;}
  .cat-facts{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:18px;flex-direction:row;justify-content:flex-start;gap:34px;flex-wrap:wrap;}
  .pick-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .doc-section{padding:30px 0;}
  .sub-cta{grid-template-columns:1fr;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .doc-shell{padding:20px 16px 60px;}
  .announce-text{white-space:normal;}
  .nav-inner{height:62px;}
  .logo-text{font-size:16.5px;}
  .cat-head{padding:20px 18px;}
  .metric-strip{grid-template-columns:1fr 1fr;}
  .metric-strip > div:nth-child(2){border-right:0;}
  .metric-strip > div:nth-child(1),.metric-strip > div:nth-child(2){border-bottom:1px solid var(--line);}
  .row-item{grid-template-columns:1fr;gap:12px;padding:18px 4px;}
  .row-thumb{width:100%;aspect-ratio:16/9;}
  .qa-row{grid-template-columns:1fr;gap:6px;}
  .pick-grid,.entry-grid{grid-template-columns:1fr;}
  .sub-form{flex-direction:column;}
  .sub-cta{padding:20px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}