/* roulang page: index */
:root{
  --brand:#134b40;
  --brand-deep:#0b322b;
  --brand-light:#1d6d5b;
  --accent:#d99429;
  --accent-deep:#b97a17;
  --accent-soft:#fbefdb;
  --bg:#f6f4ee;
  --bg-alt:#eeede5;
  --surface:#ffffff;
  --ink:#16211e;
  --ink-2:#48584f;
  --ink-3:#7d8a83;
  --line:#e4dfd4;
  --line-soft:#efece4;
  --r-xs:6px;
  --r-sm:10px;
  --r:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,53,46,.05), 0 6px 18px rgba(18,53,46,.05);
  --sh-2:0 8px 20px rgba(18,53,46,.10), 0 20px 44px rgba(18,53,46,.10);
  --max:1180px;
  --font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", Arial, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:15px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-deep);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.section{padding:72px 0;position:relative;}
.section--tight{padding:52px 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:var(--surface);}
.section--dark{background:linear-gradient(160deg,var(--brand-deep) 0%,#123f36 60%,#0e352d 100%);color:#eaf1ee;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--accent-deep);text-transform:uppercase;
  background:var(--accent-soft);
  padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:14px;
}
.section-head.center .eyebrow{margin-left:auto;margin-right:auto;}
.eyebrow::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--accent);}
h2.title{font-size:clamp(23px,2.6vw,31px);line-height:1.34;font-weight:800;letter-spacing:-.4px;}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15px;line-height:1.85;}
.section--dark .section-head p{color:#b9cdc6;}
.section--dark h2.title{color:#fff;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;line-height:1;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--accent);color:#2b1c03;box-shadow:0 4px 14px rgba(217,148,41,.34);}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(185,122,23,.38);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06);}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-line{border:1px solid var(--brand);color:var(--brand);background:transparent;}
.btn-line:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,238,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,53,46,.09);background:rgba(250,249,245,.97);}
.header-inner{height:64px;display:flex;align-items:center;gap:22px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.2px;color:var(--brand);}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-light) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:-.5px;
  box-shadow:0 4px 12px rgba(19,75,64,.26);
}
.brand-text small{display:block;font-size:10.5px;font-weight:500;color:var(--ink-3);letter-spacing:.14em;line-height:1.2;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-list a{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.nav-list a:hover{background:rgba(19,75,64,.08);color:var(--brand);}
.nav-list a.active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(19,75,64,.22);}
.header-cta{margin-left:8px;}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;
  border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s ease,opacity .22s ease;}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--brand-deep);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(9,38,32,.94) 0%,rgba(12,48,41,.86) 46%,rgba(14,58,49,.6) 100%);
}
.hero-inner{position:relative;z-index:2;padding:52px 0 58px;}
.creator-bar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:14px 16px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(6px);
  max-width:640px;
}
.creator-bar img.avatar{
  width:56px;height:56px;border-radius:50%;object-fit:cover;flex:0 0 auto;
  border:2px solid rgba(255,255,255,.55);
}
.creator-meta{min-width:0;}
.creator-name{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:#fff;line-height:1.4;}
.verified{
  font-size:11px;font-weight:600;color:#3a2a06;background:var(--accent);
  padding:2px 8px;border-radius:var(--r-pill);letter-spacing:.02em;
}
.creator-sub{font-size:12.5px;color:#bcd3cb;letter-spacing:.02em;}
.btn-follow{margin-left:auto;min-height:40px;padding:0 20px;font-size:14px;}
.hero h1{
  margin-top:30px;
  font-size:clamp(28px,4.3vw,44px);
  line-height:1.24;font-weight:800;letter-spacing:-1px;
  max-width:860px;color:#fff;
}
.hero h1 em{font-style:normal;color:#f6c273;}
.hero-lead{
  margin-top:20px;max-width:740px;
  font-size:15.5px;line-height:1.9;color:#d2e2dc;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-badge{
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:var(--r);
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  min-width:150px;
}
.hero-badge b{display:block;font-size:19px;font-weight:800;color:#fff;line-height:1.25;letter-spacing:-.3px;}
.hero-badge span{font-size:12px;color:#b8cfc7;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;}
.hero-tags a{
  display:inline-flex;align-items:center;
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:13px;color:#e2edea;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.hero-tags a:hover{background:rgba(217,148,41,.22);border-color:rgba(217,148,41,.6);color:#fff;transform:translateY(-2px);}

/* ===== Pill 导航条 ===== */
.pillbar{background:var(--surface);border-bottom:1px solid var(--line-soft);}
.pillbar-inner{
  display:flex;align-items:center;gap:10px;
  padding:16px 0;overflow-x:auto;scrollbar-width:none;
}
.pillbar-inner::-webkit-scrollbar{display:none;}
.pillbar-label{font-size:12.5px;font-weight:600;color:var(--ink-3);letter-spacing:.06em;white-space:nowrap;margin-right:4px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:500;color:var(--ink-2);
  background:var(--bg);border:1px solid var(--line);
  white-space:nowrap;
  transition:all .2s ease;
}
.pill:hover{background:#fff;border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.pill.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(19,75,64,.2);}

/* ===== KPI ===== */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.kpi{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:22px 20px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.kpi:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfd8d1;}
.kpi b{display:block;font-size:29px;font-weight:800;color:var(--brand);letter-spacing:-1px;line-height:1.2;}
.kpi b i{font-style:normal;font-size:15px;font-weight:700;margin-left:2px;color:var(--accent-deep);}
.kpi span{display:block;margin-top:8px;font-size:13px;color:var(--ink-3);}

/* ===== 卡片通用 ===== */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-1);padding:24px 22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfd8d1;}
.card h3{font-size:16.5px;font-weight:700;line-height:1.45;letter-spacing:-.2px;}
.card p{margin-top:9px;font-size:13.8px;line-height:1.8;color:var(--ink-2);}
.icon-box{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(19,75,64,.08);color:var(--brand);
  margin-bottom:16px;
}
.icon-box svg{width:22px;height:22px;}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  font-size:11.5px;font-weight:600;letter-spacing:.03em;
  background:var(--accent-soft);color:var(--accent-deep);
}

/* ===== 卖点三连 ===== */
.points-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.point{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.point::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  opacity:.85;
}
.point:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.point h3{font-size:17.5px;font-weight:800;margin-top:6px;}
.point p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--ink-2);}
.point .num{
  font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--accent-deep);
}

/* ===== 服务矩阵 ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step;}
.step{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:26px 24px;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);background:rgba(255,255,255,.12);border-color:rgba(246,194,115,.5);}
.step .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--accent);color:#2b1c03;font-weight:800;font-size:14px;
  margin-bottom:14px;
}
.step h3{font-size:16.5px;font-weight:700;color:#fff;}
.step p{margin-top:9px;font-size:13.8px;line-height:1.82;color:#bdd2ca;}

/* ===== 对比 ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{
  border-radius:var(--r-lg);padding:26px 24px;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--sh-1);
}
.compare-col.bad{background:#f7f5f0;border-style:dashed;}
.compare-col.good{border-color:rgba(19,75,64,.34);box-shadow:0 10px 30px rgba(19,75,64,.1);}
.compare-col h3{font-size:16px;font-weight:800;display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.compare-col h3 .dot{width:9px;height:9px;border-radius:50%;background:var(--ink-3);}
.compare-col.good h3 .dot{background:var(--brand);}
.compare-col li{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 0;font-size:14px;line-height:1.75;color:var(--ink-2);
  border-bottom:1px dashed var(--line-soft);
}
.compare-col li:last-child{border-bottom:0;}
.compare-col li svg{width:17px;height:17px;flex:0 0 auto;margin-top:4px;}
.compare-col.bad li svg{color:#9aa79f;}
.compare-col.good li svg{color:var(--brand);}

/* ===== 里程碑 ===== */
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(19,75,64,.12));border-radius:2px;}
.tl-item{position:relative;padding:0 0 26px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:7px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-item span{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--accent-deep);}
.tl-item h3{font-size:15.5px;font-weight:700;margin-top:4px;}
.tl-item p{margin-top:6px;font-size:13.6px;color:var(--ink-2);line-height:1.78;}
.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;}

/* ===== 专题卡 ===== */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.topic{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfd8d1;color:inherit;}
.topic-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.topic:hover .topic-media img{transform:scale(1.05);}
.topic-body{padding:18px 20px 22px;}
.topic-body h3{font-size:15.5px;font-weight:700;line-height:1.5;}
.topic-body p{margin-top:8px;font-size:13.4px;color:var(--ink-2);line-height:1.78;}
.topic-meta{display:flex;align-items:center;gap:10px;margin-top:14px;}

/* ===== 分类入口墙 ===== */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.entry{
  display:block;position:relative;overflow:hidden;
  padding:26px 24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  color:inherit;
}
.entry:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(19,75,64,.35);color:inherit;}
.entry h3{font-size:16.5px;font-weight:800;}
.entry p{margin-top:9px;font-size:13.6px;color:var(--ink-2);line-height:1.78;}
.entry .arrow{
  margin-top:16px;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--brand);
}
.entry:hover .arrow{color:var(--accent-deep);}
.entry .arrow svg{width:15px;height:15px;transition:transform .2s ease;}
.entry:hover .arrow svg{transform:translateX(4px);}

/* ===== 资讯 ===== */
.feed-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:start;}
.feed-list{display:flex;flex-direction:column;gap:14px;}
.feed-item{
  display:block;padding:20px 22px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  color:inherit;
}
.feed-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#cfd8d1;color:inherit;}
.feed-item h3{font-size:15.5px;font-weight:700;line-height:1.5;}
.feed-item p{margin-top:7px;font-size:13.4px;color:var(--ink-2);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feed-meta{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:12px;color:var(--ink-3);}
.feed-cat{font-size:11.5px;font-weight:600;color:var(--brand);background:rgba(19,75,64,.08);padding:3px 10px;border-radius:var(--r-pill);}
.side-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:var(--sh-1);
}
.side-panel h3{font-size:14.5px;font-weight:800;letter-spacing:.02em;margin-bottom:6px;}
.side-panel .side-sub{font-size:12.5px;color:var(--ink-3);margin-bottom:14px;}
.side-link{
  display:block;padding:12px 0;border-bottom:1px dashed var(--line-soft);
  font-size:13.8px;color:var(--ink-2);line-height:1.6;
  transition:color .2s ease,padding-left .2s ease;
}
.side-link:last-child{border-bottom:0;}
.side-link:hover{color:var(--brand);padding-left:4px;}
.empty{padding:26px 4px;color:var(--ink-3);font-size:13.5px;}

/* ===== 保障 ===== */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.guard{
  display:flex;gap:13px;align-items:flex-start;
  padding:20px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.guard:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.guard .icon-box{margin-bottom:0;width:38px;height:38px;border-radius:10px;flex:0 0 auto;}
.guard .icon-box svg{width:19px;height:19px;}
.guard h3{font-size:14.5px;font-weight:700;}
.guard p{margin-top:5px;font-size:12.8px;color:var(--ink-2);line-height:1.7;}

/* ===== 口碑 ===== */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.voice{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.voice p{font-size:14px;line-height:1.85;color:var(--ink-2);}
.voice .who{display:flex;align-items:center;gap:10px;margin-top:16px;}
.voice .who b{font-size:13.5px;font-weight:700;}
.voice .who span{font-size:11.5px;color:var(--ink-3);}
.who-avatar{
  width:34px;height:34px;border-radius:50%;flex:0 0 auto;
  background:rgba(19,75,64,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.stars{display:flex;gap:3px;color:var(--accent);margin-bottom:12px;}
.stars svg{width:14px;height:14px;}

/* ===== 场景矩阵 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.scene{
  padding:22px 20px;border-radius:var(--r);border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(19,75,64,.3);}
.scene h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;}
.scene h3 i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;font-style:normal;}
.scene p{margin-top:8px;font-size:13.2px;color:var(--ink-2);line-height:1.75;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:0 20px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cfd8d1;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 30px 18px 0;position:relative;
  font-size:15px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:2px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-item .ans{padding:0 0 20px;font-size:14px;line-height:1.85;color:var(--ink-2);}

/* ===== 收口 ===== */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:52px 44px;color:#fff;background:var(--brand-deep);}
.cta-band .cta-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.3;
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,38,32,.94),rgba(13,58,49,.72));}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(21px,2.5vw,28px);font-weight:800;letter-spacing:-.4px;color:#fff;line-height:1.35;}
.cta-inner p{margin-top:10px;font-size:14px;color:#c6dad3;max-width:560px;line-height:1.8;}

/* ===== 页脚 ===== */
.site-footer{background:#0c2a25;color:#a9c0b8;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:40px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16.5px;}
.footer-brand .brand-mark{box-shadow:none;background:linear-gradient(150deg,#1d6d5b,#134b40);}
.footer-desc{margin-top:16px;font-size:13.4px;line-height:1.85;color:#93ada4;max-width:420px;}
.site-footer h4{font-size:13.5px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:13.4px;color:#a9c0b8;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:var(--accent);padding-left:3px;}
.footer-bottom{padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#7d968d;}
.footer-bottom a{color:#a9c0b8;}
.footer-bottom a:hover{color:var(--accent);}

/* ===== 移动固定条 ===== */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(12,42,37,.96);backdrop-filter:blur(10px);
  border-top:1px solid rgba(255,255,255,.12);
  padding:10px 16px;align-items:center;justify-content:space-between;gap:14px;
}
.sticky-cta span{font-size:13px;color:#d5e4de;}
.sticky-cta .btn{min-height:40px;padding:0 18px;font-size:13.5px;}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
  .points-grid,.steps,.topic-grid,.entry-grid,.voice-grid{grid-template-columns:repeat(2,1fr);}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .two-col{grid-template-columns:1fr;gap:32px;}
  .feed-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:860px){
  .nav-toggle{display:flex;}
  .nav-list{
    position:absolute;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fbfaf6;border-bottom:1px solid var(--line);
    padding:12px 18px 18px;box-shadow:0 16px 30px rgba(18,53,46,.12);
    display:none;
  }
  .site-header.nav-open .nav-list{display:flex;}
  .nav-list a{padding:12px 14px;border-radius:10px;font-size:14.5px;}
  .header-cta{display:none;}
  .section{padding:56px 0;}
  .hero-inner{padding:38px 0 46px;}
  .creator-bar{max-width:100%;}
  .btn-follow{margin-left:0;width:100%;}
  .cta-band{padding:36px 24px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  .sticky-cta{display:flex;}
  body{padding-bottom:64px;}
  .compare{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .kpi-grid,.matrix-grid,.points-grid,.steps,.topic-grid,.entry-grid,.voice-grid,.guard-grid,.scene-grid{grid-template-columns:1fr;}
  .hero-badges{gap:10px;}
  .hero-badge{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero h1{font-size:26px;line-height:1.3;}
  .pillbar-label{display:none;}
  .brand-text small{display:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --brand:#134b40;
  --brand-deep:#0b322b;
  --brand-light:#1d6d5b;
  --accent:#d99429;
  --accent-deep:#b97a17;
  --accent-soft:#fbefdb;
  --bg:#f6f4ee;
  --bg-alt:#eeede5;
  --surface:#ffffff;
  --ink:#16211e;
  --ink-2:#48584f;
  --ink-3:#7d8a83;
  --line:#e4dfd4;
  --line-soft:#efece4;
  --r-xs:6px;
  --r-sm:10px;
  --r:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,53,46,.05), 0 6px 18px rgba(18,53,46,.05);
  --sh-2:0 8px 20px rgba(18,53,46,.10), 0 20px 44px rgba(18,53,46,.10);
  --max:1180px;
  --font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", Arial, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:15px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-deep);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.section{padding:72px 0;position:relative;}
.section--tight{padding:52px 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:var(--surface);}
.section--dark{background:linear-gradient(160deg,var(--brand-deep) 0%,#123f36 60%,#0e352d 100%);color:#eaf1ee;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--accent-deep);
  background:var(--accent-soft);
  padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--accent);}
h2.title{font-size:clamp(23px,2.6vw,31px);line-height:1.34;font-weight:800;letter-spacing:-.4px;}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15px;line-height:1.85;}
.section--dark .section-head p{color:#b9cdc6;}
.section--dark h2.title{color:#fff;}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;line-height:1;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--accent);color:#2b1c03;box-shadow:0 4px 14px rgba(217,148,41,.34);}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(185,122,23,.38);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06);}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-line{border:1px solid var(--brand);color:var(--brand);background:transparent;}
.btn-line:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;}
/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,238,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,53,46,.09);background:rgba(250,249,245,.97);}
.header-inner{height:64px;display:flex;align-items:center;gap:22px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.2px;color:var(--brand);}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-light) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:-.5px;
  box-shadow:0 4px 12px rgba(19,75,64,.26);
}
.brand-text small{display:block;font-size:10.5px;font-weight:500;color:var(--ink-3);letter-spacing:.14em;line-height:1.2;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-list a{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.nav-list a:hover{background:rgba(19,75,64,.08);color:var(--brand);}
.nav-list a.active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(19,75,64,.22);}
.header-cta{margin-left:8px;}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;
  border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s ease,opacity .22s ease;}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* ===== 文章头部 ===== */
.article-hero{position:relative;overflow:hidden;color:#fff;background:var(--brand-deep);}
.article-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  transform:scale(1.03);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(9,38,32,.95) 0%,rgba(12,48,41,.88) 48%,rgba(14,58,49,.64) 100%);
}
.article-hero-inner{position:relative;z-index:2;padding:46px 0 86px;max-width:900px;}
.crumbs{display:flex;align-items:center;gap:9px;font-size:13px;color:#a9c2ba;flex-wrap:wrap;}
.crumbs a{color:#d9e6e1;}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{color:rgba(255,255,255,.35);}
.crumbs .current{color:#fff;}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:5px 13px;border-radius:var(--r-pill);
  color:#f4e3c6;background:rgba(217,148,41,.16);
  border:1px solid rgba(217,148,41,.38);
}
.tag--ghost{color:#cfe0da;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);}
.article-hero h1{
  font-size:clamp(24px,3vw,38px);
  line-height:1.36;
  font-weight:800;
  letter-spacing:-.5px;
  color:#fff;
  margin-top:18px;
  max-width:840px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:20px;font-size:13.5px;color:#bfd2cb;}
.article-meta b{color:#fff;font-weight:600;}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.35);align-self:center;}
/* ===== 摘要条 ===== */
.summary-strip{position:relative;z-index:5;margin-top:-48px;}
.summary-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.summary-item{padding:22px 24px;border-right:1px solid var(--line-soft);}
.summary-item:last-child{border-right:0;}
.summary-item .si-label{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--ink-3);}
.si-icon{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:var(--accent-deep);
  font-size:12px;font-weight:800;
}
.summary-item strong{display:block;margin-top:10px;font-size:16px;color:var(--brand);letter-spacing:-.2px;}
.summary-item p{margin-top:6px;font-size:13.5px;line-height:1.7;color:var(--ink-2);}
/* ===== 正文 ===== */
.article-section{padding-top:56px;}
.article-shell{max-width:900px;margin:0 auto;}
.article-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:40px 44px 44px;
  overflow-wrap:break-word;
}
.article-body h1{font-size:26px;line-height:1.4;color:var(--brand);margin:0 0 18px;}
.article-body h2{
  position:relative;
  font-size:22px;line-height:1.45;font-weight:800;
  color:var(--brand-deep);
  margin:34px 0 14px;
  padding-left:16px;
  letter-spacing:-.3px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:1.02em;border-radius:2px;background:var(--accent);
}
.article-body h3{font-size:18px;line-height:1.5;color:var(--brand);margin:26px 0 10px;font-weight:700;}
.article-body h4{font-size:16px;color:var(--brand);margin:20px 0 8px;}
.article-body p{margin:0 0 16px;font-size:15.5px;line-height:1.85;color:var(--ink-2);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:0;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--ink-2);line-height:1.8;}
.article-body ul li::before{
  content:"";position:absolute;left:3px;top:.74em;
  width:7px;height:7px;border-radius:2px;background:var(--accent);
  transform:rotate(45deg);
}
.article-body ol{list-style:decimal;padding-left:22px;}
.article-body ol li{margin-bottom:10px;color:var(--ink-2);line-height:1.8;}
.article-body strong{color:var(--brand-deep);font-weight:700;}
.article-body a{color:var(--accent-deep);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand);}
.article-body img{border-radius:var(--r);margin:22px 0;box-shadow:var(--sh-1);}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;
  background:var(--accent-soft);
  border-left:3px solid var(--accent);
  border-radius:0 var(--r) var(--r) 0;
  color:#5f4a22;font-size:14.5px;
}
.article-body blockquote p{margin:0;color:#5f4a22;}
.article-body table{display:block;overflow-x:auto;max-width:100%;width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;white-space:nowrap;}
.article-body th{background:var(--bg-alt);color:var(--brand);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0;}
.article-body .btn{text-decoration:none;}
.empty-state{padding:20px 0 8px;text-align:center;}
.empty-state h2{font-size:22px;color:var(--brand-deep);padding-left:0;margin:0 0 12px;}
.empty-state h2::before{display:none;}
.empty-state p{max-width:520px;margin:0 auto 22px;font-size:15px;color:var(--ink-2);}
/* ===== 通用卡片 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-1);
  padding:24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d0bf;}
.card .card-icon{
  width:40px;height:40px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(19,75,64,.08);color:var(--brand);
  font-weight:800;font-size:15px;margin-bottom:14px;
}
.card h3{font-size:16.5px;font-weight:700;color:var(--brand-deep);letter-spacing:-.2px;}
.card p{margin-top:9px;font-size:14px;line-height:1.78;color:var(--ink-2);}
/* ===== 步骤 ===== */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step;}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:30px 24px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  position:absolute;top:-16px;left:24px;
  width:36px;height:36px;border-radius:11px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
  box-shadow:0 6px 16px rgba(19,75,64,.28);
}
.step-card h3{font-size:16.5px;color:var(--brand-deep);margin-top:6px;}
.step-card p{margin-top:9px;font-size:14px;line-height:1.78;color:var(--ink-2);}
.step-card .step-note{
  display:inline-block;margin-top:14px;
  font-size:12.5px;font-weight:600;color:var(--accent-deep);
  background:var(--accent-soft);padding:4px 11px;border-radius:var(--r-pill);
}
/* ===== 对比表 ===== */
.compare-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.compare-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.compare-table th,.compare-table td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line-soft);}
.compare-table thead th{background:var(--bg-alt);color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.02em;}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody th{font-weight:600;color:var(--ink);width:26%;background:#fbfaf6;}
.compare-table tbody td{color:var(--ink-2);}
.compare-table tbody tr:hover td{background:#fcfbf7;}
/* ===== 频道矩阵 ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.matrix-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d0bf;}
.matrix-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);}
.matrix-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.matrix-card:hover .matrix-thumb img{transform:scale(1.05);}
.matrix-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.matrix-body h3{font-size:16.5px;color:var(--brand-deep);font-weight:700;}
.matrix-body p{font-size:13.8px;line-height:1.75;color:var(--ink-2);}
.matrix-more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--accent-deep);display:inline-flex;align-items:center;gap:6px;}
.matrix-card:hover .matrix-more{color:var(--brand);}
/* ===== FAQ ===== */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#d8d0bf;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:17px 22px;
  font-size:15.5px;font-weight:600;color:var(--brand-deep);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;
  width:24px;height:24px;border-radius:8px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:var(--accent-deep);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"–";background:var(--brand);color:#fff;}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--ink-2);}
/* ===== CTA 条 ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,var(--brand-deep) 0%,#12463b 62%,#0d352c 100%);
  color:#eaf1ee;
  border-radius:var(--r-lg);
  padding:44px 46px;
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,148,41,.28),rgba(217,148,41,0) 70%);
}
.cta-band-text{position:relative;z-index:2;flex:1 1 360px;min-width:260px;}
.cta-band h2{font-size:clamp(21px,2.4vw,27px);line-height:1.4;font-weight:800;color:#fff;letter-spacing:-.3px;}
.cta-band p{margin-top:12px;font-size:14.5px;line-height:1.8;color:#bed2ca;max-width:620px;}
.cta-band-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
/* ===== 浮动转化条 ===== */
.float-cta{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:330px;max-width:calc(100vw - 32px);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-2);
  padding:16px 18px;
  display:flex;gap:12px;align-items:center;
  transition:opacity .25s ease,transform .25s ease;
}
.float-cta.is-hidden{opacity:0;transform:translateY(14px);pointer-events:none;}
.float-cta .fc-text{flex:1;min-width:0;}
.float-cta strong{display:block;font-size:14px;color:var(--brand-deep);}
.float-cta span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:3px;}
.float-cta .btn{min-height:36px;padding:0 14px;font-size:13px;}
.float-close{
  position:absolute;top:6px;right:6px;
  width:20px;height:20px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--ink-3);background:var(--bg-alt);
}
.float-close:hover{background:var(--line);color:var(--ink);}
/* ===== 页脚 ===== */
.site-footer{background:#0c2f28;color:#c2d4cd;padding:58px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;}
.footer-brand .brand-mark{box-shadow:none;background:linear-gradient(150deg,var(--brand-light),#2c8471);}
.footer-desc{margin-top:14px;font-size:13.5px;line-height:1.85;color:#9db8b0;max-width:380px;}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:#a8c1ba;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:#8aa59d;
}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .summary-grid{grid-template-columns:1fr 1fr;}
  .summary-item:nth-child(2){border-right:0;}
  .summary-item:nth-child(3){grid-column:1 / -1;border-top:1px solid var(--line-soft);border-right:0;}
  .grid-3,.step-grid,.matrix-grid{grid-template-columns:repeat(2,1fr);}
  .grid-2{grid-template-columns:1fr;}
  .article-body{padding:32px 30px 34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .nav-list{
    position:absolute;top:64px;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 20px;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);
  }
  .site-header.nav-open .nav-list{display:flex;}
  .nav-list a{padding:12px 14px;border-radius:10px;font-size:15px;}
  .article-hero-inner{padding:36px 0 82px;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .section--tight{padding:40px 0;}
  .container{padding:0 18px;}
  .grid-3,.step-grid,.matrix-grid{grid-template-columns:1fr;}
  .summary-strip{margin-top:-40px;}
  .summary-grid{grid-template-columns:1fr;}
  .summary-item{border-right:0;border-bottom:1px solid var(--line-soft);}
  .summary-item:last-child{border-bottom:0;}
  .summary-item:nth-child(3){border-top:0;}
  .article-body{padding:26px 20px 28px;border-radius:var(--r);}
  .article-body h2{font-size:19.5px;}
  .article-body p{font-size:15px;}
  .cta-band{padding:32px 24px;border-radius:var(--r);}
  .compare-table th,.compare-table td{padding:12px 14px;font-size:13.5px;}
  .float-cta{right:12px;left:12px;bottom:12px;width:auto;max-width:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .faq-item summary{padding:15px 16px;font-size:14.5px;gap:10px;}
  .faq-item .faq-body{padding:0 16px 18px;}
}
@media (max-width:520px){
  .brand-text{font-size:15px;}
  .brand-mark{width:30px;height:30px;font-size:13px;}
  .article-hero h1{font-size:22px;}
  .article-meta{font-size:12.5px;gap:6px 14px;}
  .btn{width:100%;}
  .cta-band-actions{width:100%;}
  .float-cta .btn{width:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#134b40;
  --brand-deep:#0b322b;
  --brand-light:#1d6d5b;
  --accent:#d99429;
  --accent-deep:#b97a17;
  --accent-soft:#fbefdb;
  --bg:#f6f4ee;
  --bg-alt:#eeede5;
  --surface:#ffffff;
  --ink:#16211e;
  --ink-2:#48584f;
  --ink-3:#7d8a83;
  --line:#e4dfd4;
  --line-soft:#efece4;
  --r-xs:6px;
  --r-sm:10px;
  --r:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,53,46,.05), 0 6px 18px rgba(18,53,46,.05);
  --sh-2:0 8px 20px rgba(18,53,46,.10), 0 20px 44px rgba(18,53,46,.10);
  --max:1180px;
  --font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", Arial, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:15px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0;}
ul,ol{padding-left:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-deep);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.section{padding:72px 0;position:relative;}
.section--tight{padding:54px 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:var(--surface);}
.section--dark{background:linear-gradient(160deg,var(--brand-deep) 0%,#123f36 60%,#0e352d 100%);color:#eaf1ee;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;max-width:none;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--accent-deep);
  background:var(--accent-soft);
  padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--accent);}
.section--dark .eyebrow{background:rgba(217,148,41,.16);color:#f0c47a;}
h2.title{font-size:clamp(23px,2.6vw,31px);line-height:1.34;font-weight:800;letter-spacing:-.4px;}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15px;line-height:1.85;}
.section--dark .section-head p{color:#b9cdc6;}
.section--dark h2.title{color:#fff;}
.lead{color:var(--ink-2);font-size:15px;}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;line-height:1;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--accent);color:#2b1c03;box-shadow:0 4px 14px rgba(217,148,41,.34);}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(185,122,23,.38);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.07);}
.btn-ghost:hover{background:rgba(255,255,255,.17);color:#fff;transform:translateY(-2px);}
.btn-line{border:1px solid var(--brand);color:var(--brand);background:transparent;}
.btn-line:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;}
/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,238,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,53,46,.09);background:rgba(250,249,245,.97);}
.header-inner{height:64px;display:flex;align-items:center;gap:22px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.2px;color:var(--brand);}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-light) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:-.5px;
  box-shadow:0 4px 12px rgba(19,75,64,.26);
}
.brand-text small{display:block;font-size:10.5px;font-weight:500;color:var(--ink-3);letter-spacing:.14em;line-height:1.2;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-list a{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.nav-list a:hover{background:rgba(19,75,64,.08);color:var(--brand);}
.nav-list a.active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(19,75,64,.22);}
.header-cta{margin-left:8px;}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;
  border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s ease,opacity .22s ease;}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--brand-deep);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(8,34,29,.95) 0%,rgba(12,48,41,.88) 48%,rgba(15,62,52,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding:58px 0 62px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero h1{
  font-size:clamp(28px,3.5vw,42px);
  line-height:1.28;font-weight:800;letter-spacing:-.8px;
  color:#fff;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:#f2c579;}
.hero-sub{font-size:15.5px;line-height:1.85;color:#c8dbd4;max-width:600px;}
.hero-points{margin-top:26px;display:grid;gap:12px;max-width:580px;}
.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#dbe9e4;line-height:1.7;}
.hero-points svg{width:19px;height:19px;flex:0 0 auto;margin-top:2px;color:#f2c579;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  font-size:12.8px;color:#a9c4bc;
}
.hero-trust span{display:inline-flex;align-items:center;gap:7px;}
.hero-trust i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.spec-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-lg);
  padding:24px;
  backdrop-filter:blur(8px);
  box-shadow:0 18px 40px rgba(4,22,18,.28);
}
.spec-card h3{font-size:15px;font-weight:700;color:#fff;display:flex;align-items:center;gap:9px;margin-bottom:6px;}
.spec-card h3 svg{width:18px;height:18px;color:#f2c579;}
.spec-card .spec-note{font-size:12.5px;color:#a9c4bc;margin-bottom:16px;}
.spec-row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-top:1px dashed rgba(255,255,255,.16);font-size:13.4px;}
.spec-row:first-of-type{border-top:0;}
.spec-row dt{color:#a9c4bc;}
.spec-row dd{color:#fff;font-weight:600;text-align:right;}
/* ===== Pill 分类条 ===== */
.pill-strip{background:var(--surface);border-bottom:1px solid var(--line);}
.pill-inner{display:flex;align-items:center;gap:10px;padding:14px 22px;overflow-x:auto;scrollbar-width:none;}
.pill-inner::-webkit-scrollbar{display:none;}
.pill-label{font-size:12.5px;font-weight:600;color:var(--ink-3);letter-spacing:.08em;flex:0 0 auto;margin-right:2px;}
.pill{
  display:inline-flex;align-items:center;min-height:38px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--bg);color:var(--ink-2);
  font-size:13.8px;font-weight:500;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.pill:hover{background:var(--accent-soft);border-color:#eccfa2;color:var(--accent-deep);transform:translateY(-2px);}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(19,75,64,.22);}
/* ===== 通用卡片网格 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.card{
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--r);padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#dcd4c4;}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  background:var(--accent-soft);color:var(--accent-deep);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card-icon svg{width:22px;height:22px;}
.card h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;letter-spacing:-.2px;}
.card p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  margin-top:18px;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(19,75,64,.08);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.card--media{padding:0;overflow:hidden;}
.card--media .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.card--media .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card--media:hover .thumb img{transform:scale(1.05);}
.card--media .card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
/* ===== 流程步骤 ===== */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.step{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r);padding:26px;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.step:hover{background:rgba(255,255,255,.11);border-color:rgba(242,197,121,.5);transform:translateY(-4px);}
.step-num{
  font-size:26px;font-weight:800;letter-spacing:-1px;
  color:#f2c579;line-height:1;margin-bottom:14px;display:block;
}
.step h3{font-size:16.5px;font-weight:700;color:#fff;margin-bottom:10px;}
.step p{font-size:14px;color:#bdd2cb;line-height:1.8;}
.steps-foot{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.steps-foot .hint{font-size:13px;color:#a9c4bc;}
/* ===== 对比表 ===== */
.table-wrap{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-1);}
table.compare{width:100%;border-collapse:collapse;min-width:720px;font-size:14px;}
table.compare thead th{
  background:var(--bg-alt);color:var(--brand);
  font-weight:700;font-size:13.5px;text-align:left;
  padding:15px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.compare tbody td{padding:16px 20px;border-bottom:1px solid var(--line-soft);color:var(--ink-2);vertical-align:top;line-height:1.75;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover td{background:#faf8f2;}
table.compare td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
.badge{display:inline-block;padding:3px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;}
.badge--good{background:rgba(29,109,91,.12);color:var(--brand-light);}
.badge--mid{background:var(--accent-soft);color:var(--accent-deep);}
.badge--soft{background:#eceae2;color:var(--ink-3);}
/* ===== 玩家反馈 ===== */
.quote{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.quote .mark{font-size:30px;line-height:1;color:var(--accent);font-weight:800;margin-bottom:8px;font-family:Georgia,serif;}
.quote p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}
.quote .who{margin-top:16px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}
.quote .who b{color:var(--brand);font-weight:700;}
.quote .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
/* ===== 图文区块 ===== */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;}
.split-img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--line);}
.split-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.check-list{margin-top:22px;display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.check-list .ic{
  width:22px;height:22px;flex:0 0 auto;border-radius:50%;
  background:rgba(19,75,64,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.check-list .ic svg{width:13px;height:13px;}
.check-list b{color:var(--ink);font-weight:700;}
/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:0;box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open]{border-color:#d8cdb4;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;font-size:15.2px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";margin-left:auto;width:11px;height:11px;flex:0 0 auto;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item summary:hover{color:var(--brand-light);}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.2px;color:var(--ink-2);line-height:1.85;}
/* ===== 收口 CTA ===== */
.cta-band{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-light) 58%,#14584a 100%);
  border-radius:var(--r-lg);padding:38px 40px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:0 20px 44px rgba(12,52,44,.22);
}
.cta-band h2{font-size:clamp(21px,2.3vw,27px);font-weight:800;line-height:1.4;letter-spacing:-.3px;color:#fff;}
.cta-band p{margin-top:10px;font-size:14px;color:#cfe1db;max-width:560px;line-height:1.8;}
.cta-band .guards{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.cta-band .guards span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:#e4efeb;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  padding:5px 12px;border-radius:var(--r-pill);
}
/* ===== 页脚 ===== */
.site-footer{background:var(--brand-deep);color:#cfded8;padding:56px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-desc{font-size:13.8px;line-height:1.85;color:#a6bdb6;max-width:420px;}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:13.8px;color:#a6bdb6;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:#f2c579;padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:8px 20px;
  justify-content:space-between;font-size:12.8px;color:#8ea8a1;
}
/* ===== 底部固定转化条 ===== */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(11,50,43,.97);backdrop-filter:blur(10px);
  border-top:1px solid rgba(255,255,255,.14);
  padding:10px 16px;gap:12px;align-items:center;justify-content:space-between;
  box-shadow:0 -6px 20px rgba(6,26,22,.28);
}
.sticky-cta span{font-size:13px;color:#d3e3dd;line-height:1.4;}
.sticky-cta .btn{min-height:40px;padding:0 18px;font-size:13.5px;}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:48px 0 52px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:1fr;gap:16px;}
  .split{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:58px 0;}
}
@media (max-width:768px){
  .header-inner{height:60px;gap:12px;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .nav-list{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--surface);border-bottom:1px solid var(--line);
    padding:12px 18px 18px;box-shadow:0 14px 28px rgba(18,53,46,.12);
    margin-left:0;
  }
  .site-header.nav-open .nav-list{display:flex;}
  .nav-list a{padding:11px 14px;border-radius:var(--r-sm);font-size:14.5px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section--tight{padding:38px 0;}
  .hero h1{font-size:clamp(24px,6.4vw,30px);}
  .hero-sub{font-size:14.5px;}
  .spec-card{padding:20px;}
  .cta-band{padding:28px 22px;border-radius:var(--r);}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{justify-content:flex-start;}
  .sticky-cta{display:flex;}
  body{padding-bottom:66px;}
  .pill-label{display:none;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .pill-inner{padding:12px 16px;}
  .hero-inner{padding:38px 0 42px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-trust{gap:8px 16px;font-size:12px;}
  .card,.quote,.step{padding:20px;}
  .card--media .card-body{padding:18px 20px 20px;}
  .faq-item summary{padding:15px 18px;font-size:14.5px;}
  .faq-item .faq-body{padding:0 18px 18px;}
  .spec-row{font-size:12.8px;}
}

/* roulang page: category2 */
:root{
 --brand:#134b40;
 --brand-deep:#0b322b;
 --brand-light:#1d6d5b;
 --accent:#d99429;
 --accent-deep:#b97a17;
 --accent-soft:#fbefdb;
 --bg:#f6f4ee;
 --bg-alt:#eeede5;
 --surface:#ffffff;
 --ink:#16211e;
 --ink-2:#48584f;
 --ink-3:#7d8a83;
 --line:#e4dfd4;
 --line-soft:#efece4;
 --r-xs:6px;
 --r-sm:10px;
 --r:14px;
 --r-lg:20px;
 --r-pill:999px;
 --sh-1:0 1px 2px rgba(18,53,46,.05), 0 6px 18px rgba(18,53,46,.05);
 --sh-2:0 8px 20px rgba(18,53,46,.10), 0 20px 44px rgba(18,53,46,.10);
 --max:1180px;
 --font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", Arial, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--font);
 font-size:15px;
 line-height:1.75;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-deep);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.section{padding:72px 0;position:relative;}
.section--tight{padding:52px 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:var(--surface);}
.section--dark{background:linear-gradient(160deg,var(--brand-deep) 0%,#123f36 60%,#0e352d 100%);color:#eaf1ee;}
.section-head{max-width:760px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15px;line-height:1.85;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:600;letter-spacing:.06em;
 color:var(--accent-deep);
 background:var(--accent-soft);
 padding:5px 12px;border-radius:var(--r-pill);
 margin-bottom:14px;
}
.eyebrow::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--accent);}
h2.title{font-size:clamp(22px,2.5vw,30px);line-height:1.34;font-weight:800;letter-spacing:-.4px;}
.section--dark h2.title{color:#fff;}
.section--dark .section-head p{color:#b9cdc6;}
.section--dark .eyebrow{background:rgba(217,148,41,.16);color:#f0c489;}
/* 按钮 */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:44px;padding:0 22px;border-radius:var(--r-sm);
 font-size:14.5px;font-weight:600;line-height:1;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#2b1c03;box-shadow:0 4px 14px rgba(217,148,41,.34);}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(185,122,23,.38);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.07);}
.btn-ghost:hover{background:rgba(255,255,255,.17);color:#fff;transform:translateY(-2px);}
.btn-line{border:1px solid var(--brand);color:var(--brand);background:transparent;}
.btn-line:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;}
/* 头部导航 */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(246,244,238,.94);
 backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,53,46,.09);background:rgba(250,249,245,.97);}
.header-inner{height:64px;display:flex;align-items:center;gap:22px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.2px;color:var(--brand);}
.brand:hover{color:var(--brand);}
.brand-mark{
 width:34px;height:34px;border-radius:10px;flex:0 0 auto;
 background:linear-gradient(150deg,var(--brand) 0%,var(--brand-light) 100%);
 color:#fff;display:flex;align-items:center;justify-content:center;
 font-size:14px;font-weight:800;letter-spacing:-.5px;
 box-shadow:0 4px 12px rgba(19,75,64,.26);
}
.brand-text small{display:block;font-size:10.5px;font-weight:500;color:var(--ink-3);letter-spacing:.14em;line-height:1.2;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-list a{
 display:inline-flex;align-items:center;
 padding:8px 14px;border-radius:var(--r-pill);
 font-size:14px;font-weight:500;color:var(--ink-2);
 transition:background .2s ease,color .2s ease;
}
.nav-list a:hover{background:rgba(19,75,64,.08);color:var(--brand);}
.nav-list a.active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(19,75,64,.22);}
.header-cta{margin-left:8px;}
.nav-toggle{
 display:none;width:42px;height:42px;margin-left:auto;
 border-radius:10px;border:1px solid var(--line);
 background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s ease,opacity .22s ease;}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* 分类 Hero */
.cat-hero{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff;}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.03);}
.cat-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(118deg,rgba(9,38,32,.95) 0%,rgba(11,45,38,.88) 46%,rgba(14,58,49,.6) 100%);
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;padding-top:62px;padding-bottom:66px;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 background:rgba(217,148,41,.16);
 border:1px solid rgba(217,148,41,.5);
 color:#f2c983;font-size:12.5px;font-weight:600;letter-spacing:.05em;
 padding:5px 14px;border-radius:var(--r-pill);
}
.cat-hero h1{margin-top:18px;font-size:clamp(29px,4vw,44px);line-height:1.22;font-weight:800;letter-spacing:-1px;color:#fff;}
.hero-sub{margin-top:16px;font-size:15.5px;line-height:1.9;color:#c6d8d1;max-width:520px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags span{
 display:inline-flex;align-items:center;
 padding:6px 14px;border-radius:var(--r-pill);
 font-size:13px;color:#dcebe5;
 background:rgba(255,255,255,.09);
 border:1px solid rgba(255,255,255,.18);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cat-hero-media{position:relative;}
.cat-hero-media img{
 width:100%;aspect-ratio:4/3;object-fit:cover;
 border-radius:var(--r-lg);
 border:1px solid rgba(255,255,255,.22);
 box-shadow:0 24px 60px rgba(0,0,0,.34);
}
.media-tag{
 position:absolute;left:-12px;bottom:20px;
 background:var(--accent);color:#2b1c03;
 font-weight:700;font-size:13px;
 padding:8px 16px;border-radius:var(--r-sm);
 box-shadow:0 10px 26px rgba(0,0,0,.26);
}
.media-note{
 position:absolute;right:14px;top:14px;
 background:rgba(9,38,32,.72);
 border:1px solid rgba(255,255,255,.2);
 color:#dcebe5;font-size:12px;
 padding:5px 12px;border-radius:var(--r-pill);
}
/* 频道 pill */
.channel-bar{background:var(--bg-alt);border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;gap:10px;padding-top:14px;padding-bottom:14px;overflow-x:auto;scrollbar-width:thin;}
.channel-label{flex:0 0 auto;font-size:12.5px;font-weight:700;color:var(--ink-3);letter-spacing:.1em;margin-right:4px;}
.pill{
 flex:0 0 auto;display:inline-flex;align-items:center;
 padding:9px 18px;border-radius:var(--r-pill);
 font-size:13.5px;font-weight:500;color:var(--ink-2);
 background:var(--surface);border:1px solid var(--line);
 transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pill:hover{color:var(--brand);border-color:rgba(19,75,64,.4);transform:translateY(-2px);box-shadow:var(--sh-1);}
.pill.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(19,75,64,.24);}
/* 左右分栏 */
.split{display:grid;grid-template-columns:.88fr 1.12fr;gap:52px;align-items:start;}
.tip-list{display:grid;gap:16px;}
.tip-card{
 display:flex;gap:16px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--r);
 padding:20px 22px;
 box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tip-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(19,75,64,.28);}
.tip-no{
 flex:0 0 auto;width:34px;height:34px;border-radius:10px;
 background:var(--accent-soft);color:var(--accent-deep);
 display:flex;align-items:center;justify-content:center;
 font-weight:800;font-size:14px;
}
.tip-card h3{font-size:16px;font-weight:700;color:var(--ink);}
.tip-card p{margin-top:6px;font-size:14.5px;color:var(--ink-2);line-height:1.8;}
/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px;}
.scene-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
 overflow:hidden;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(19,75,64,.28);}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene-body{padding:20px 20px 24px;}
.scene-body h3{font-size:16.5px;font-weight:700;}
.scene-body p{margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.tag{
 display:inline-flex;align-items:center;
 font-size:12px;font-weight:600;color:var(--brand);
 background:rgba(19,75,64,.08);
 padding:3px 10px;border-radius:var(--r-pill);
 margin-bottom:10px;
}
.tag--accent{color:var(--accent-deep);background:var(--accent-soft);}
/* 流程步骤 */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:38px;}
.step-card{
 position:relative;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--r);
 padding:24px 20px 22px;
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:rgba(217,148,41,.5);}
.step-num{font-size:26px;font-weight:800;color:var(--accent);line-height:1;letter-spacing:-1px;}
.step-card h3{margin-top:12px;font-size:15.5px;font-weight:700;color:#fff;}
.step-card p{margin-top:8px;font-size:14px;color:#b9cdc6;line-height:1.8;}
/* 玩家反馈 */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px;}
.voice-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
 padding:24px 22px;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(19,75,64,.28);}
.voice-quote{font-size:14.5px;color:var(--ink);line-height:1.85;}
.voice-meta{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft);}
.voice-avatar{
 width:34px;height:34px;border-radius:50%;flex:0 0 auto;
 background:linear-gradient(150deg,var(--brand) 0%,var(--brand-light) 100%);
 color:#fff;display:flex;align-items:center;justify-content:center;
 font-size:13px;font-weight:700;
}
.voice-meta span{font-size:13px;color:var(--ink-3);}
/* 对比 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px;}
.compare-card{
 border-radius:var(--r);padding:26px 24px;
 border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease;
}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.compare-card--risk{border-top:3px solid #b0563f;}
.compare-card--safe{border-top:3px solid var(--brand);}
.compare-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;}
.compare-card .mark{
 width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;
 font-size:13px;font-weight:800;
}
.compare-card--risk .mark{background:#f7e6e1;color:#a44a33;}
.compare-card--safe .mark{background:rgba(19,75,64,.1);color:var(--brand);}
.compare-list{margin-top:16px;display:grid;gap:12px;}
.compare-list li{
 position:relative;padding-left:18px;
 font-size:14.5px;color:var(--ink-2);line-height:1.8;
}
.compare-list li::before{
 content:"";position:absolute;left:0;top:10px;
 width:7px;height:7px;border-radius:50%;
 background:var(--line);
}
.compare-card--risk .compare-list li::before{background:#c98a76;}
.compare-card--safe .compare-list li::before{background:var(--brand-light);}
/* 资讯列表 */
.feed-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px;}
.post-card{
 display:block;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
 padding:22px 20px;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(19,75,64,.32);color:var(--ink);}
.post-card h3{font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.5;}
.post-card p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8;}
.post-date{display:block;margin-top:14px;font-size:12.5px;color:var(--ink-3);}
.empty-tip{
 margin-top:30px;padding:26px;border:1px dashed var(--line);
 border-radius:var(--r);color:var(--ink-3);text-align:center;font-size:14px;
}
/* FAQ */
.faq-list{max-width:860px;margin:34px auto 0;display:grid;gap:12px;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
 padding:0 22px;box-shadow:var(--sh-1);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(19,75,64,.3);box-shadow:var(--sh-2);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 0;font-size:15.5px;font-weight:700;color:var(--ink);
 cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:8px;
 background:var(--accent-soft);color:var(--accent-deep);
 display:flex;align-items:center;justify-content:center;
 font-size:15px;font-weight:700;line-height:1;
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item p{padding:0 0 20px;font-size:14.5px;color:var(--ink-2);line-height:1.85;}
/* 收口 */
.cta-band{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(120deg,var(--brand-deep) 0%,#134b40 60%,#1d6d5b 100%);
}
.cta-band::after{
 content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;
 border-radius:50%;background:rgba(217,148,41,.16);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:48px 22px;}
.cta-inner h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.4;color:#fff;}
.cta-inner p{margin-top:10px;color:#c6d8d1;font-size:14.5px;max-width:560px;line-height:1.85;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* 页脚 */
.site-footer{background:#0b2b25;color:#c3d5ce;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;}
.footer-brand .brand-mark{background:linear-gradient(150deg,var(--brand-light) 0%,#2a8a72 100%);}
.footer-desc{color:#9db3ab;font-size:14px;margin-top:14px;line-height:1.85;max-width:380px;}
.footer-grid h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.04em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#c3d5ce;font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.12);
 padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13px;color:#8fa79f;
}
/* 响应式 */
@media (max-width:1024px){
 .header-inner{flex-wrap:wrap;}
 .nav-toggle{display:flex;}
 .nav-list{
  position:absolute;left:0;right:0;top:64px;
  display:none;flex-direction:column;align-items:stretch;gap:4px;
  background:var(--surface);border-bottom:1px solid var(--line);
  padding:14px 22px 20px;box-shadow:var(--sh-2);margin-left:0;
 }
 .site-header.nav-open .nav-list{display:flex;}
 .nav-list a{padding:12px 14px;border-radius:var(--r-sm);}
 .header-cta{display:none;}
 .cat-hero-inner{grid-template-columns:1fr;gap:34px;padding-top:48px;padding-bottom:52px;}
 .cat-hero-media{max-width:560px;}
 .split{grid-template-columns:1fr;gap:30px;}
 .scene-grid{grid-template-columns:repeat(2,1fr);}
 .step-grid{grid-template-columns:repeat(2,1fr);}
 .voice-grid{grid-template-columns:1fr;}
 .feed-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
 .section{padding:56px 0;}
 .section--tight{padding:42px 0;}
 .cat-hero h1{font-size:29px;}
 .hero-sub{font-size:14.5px;}
 .compare-grid{grid-template-columns:1fr;}
 .scene-grid{grid-template-columns:1fr;}
 .step-grid{grid-template-columns:1fr;}
 .feed-grid{grid-template-columns:1fr;}
 .media-tag{left:10px;bottom:12px;}
 .cta-inner{padding:40px 22px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .channel-inner{padding-top:12px;padding-bottom:12px;}
 .cat-hero-inner{padding-top:38px;padding-bottom:44px;}
 .hero-actions{flex-direction:column;align-items:stretch;}
 .hero-actions .btn{width:100%;}
 .footer-grid{grid-template-columns:1fr;}
 .footer-bottom{flex-direction:column;gap:8px;}
 .faq-item{padding:0 16px;}
 .tip-card{padding:18px 16px;gap:12px;}
 .footer-desc{max-width:none;}
}

/* roulang page: category3 */
:root{
  --brand:#134b40;
  --brand-deep:#0b322b;
  --brand-light:#1d6d5b;
  --accent:#d99429;
  --accent-deep:#b97a17;
  --accent-soft:#fbefdb;
  --bg:#f6f4ee;
  --bg-alt:#eeede5;
  --surface:#ffffff;
  --ink:#16211e;
  --ink-2:#48584f;
  --ink-3:#7d8a83;
  --line:#e4dfd4;
  --line-soft:#efece4;
  --r-xs:6px;
  --r-sm:10px;
  --r:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,53,46,.05), 0 6px 18px rgba(18,53,46,.05);
  --sh-2:0 8px 20px rgba(18,53,46,.10), 0 20px 44px rgba(18,53,46,.10);
  --max:1180px;
  --font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", Arial, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:15px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-deep);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;line-height:1.35;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.section{padding:72px 0;position:relative;}
.section--tight{padding:52px 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:var(--surface);}
.section--dark{background:linear-gradient(160deg,var(--brand-deep) 0%,#123f36 60%,#0e352d 100%);color:#eaf1ee;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--accent-deep);text-transform:uppercase;
  background:var(--accent-soft);
  padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--accent);}
h2.title{font-size:clamp(23px,2.6vw,31px);font-weight:800;letter-spacing:-.4px;color:var(--ink);}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15px;line-height:1.85;}
.section--dark .section-head p{color:#b9cdc6;}
.section--dark h2.title{color:#fff;}
.section--dark .eyebrow{background:rgba(217,148,41,.16);color:#f0c483;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;line-height:1;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--accent);color:#2b1c03;box-shadow:0 4px 14px rgba(217,148,41,.34);}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(185,122,23,.38);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06);}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-line{border:1px solid var(--brand);color:var(--brand);background:transparent;}
.btn-line:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,238,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,53,46,.09);background:rgba(250,249,245,.97);}
.header-inner{height:64px;display:flex;align-items:center;gap:22px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.2px;color:var(--brand);}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-light) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:-.5px;
  box-shadow:0 4px 12px rgba(19,75,64,.26);
}
.brand-text small{display:block;font-size:10.5px;font-weight:500;color:var(--ink-3);letter-spacing:.14em;line-height:1.2;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-list a{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.nav-list a:hover{background:rgba(19,75,64,.08);color:var(--brand);}
.nav-list a.active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(19,75,64,.22);}
.header-cta{margin-left:8px;}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;
  border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s ease,opacity .22s ease;}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* Hero */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--brand-deep);}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transform:scale(1.03);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(9,38,32,.95) 0%,rgba(12,48,41,.88) 48%,rgba(14,58,49,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding:56px 0 62px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(217,148,41,.18);color:#f2c98a;
  border:1px solid rgba(217,148,41,.34);
}
.hero h1{
  margin-top:20px;
  font-size:clamp(27px,3.4vw,42px);
  font-weight:800;letter-spacing:-.6px;line-height:1.24;color:#fff;
}
.hero-sub{margin-top:16px;font-size:15.5px;line-height:1.85;color:#c6d8d2;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.hero-chips li{
  font-size:12.5px;font-weight:500;color:#dfeae6;
  padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
}
.hero-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-lg);
  padding:24px;
  backdrop-filter:blur(8px);
  box-shadow:0 20px 44px rgba(4,22,18,.32);
}
.panel-head{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:#fff;letter-spacing:.02em;}
.panel-head .dot{width:8px;height:8px;border-radius:50%;background:#61d6a4;box-shadow:0 0 0 4px rgba(97,214,164,.18);}
.panel-list{margin-top:18px;display:grid;gap:0;}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:#b9cdc6;
}
.panel-list li:first-child{border-top:0;padding-top:4px;}
.panel-list strong{color:#fff;font-size:14px;font-weight:700;text-align:right;}
.panel-foot{margin-top:16px;font-size:12.5px;line-height:1.7;color:#9fb8b0;padding-top:14px;border-top:1px dashed rgba(255,255,255,.18);}

/* Pill 分类条 */
.pillbar{background:#0f3b33;border-bottom:1px solid rgba(255,255,255,.08);}
.pillbar-inner{
  display:flex;align-items:center;gap:10px;
  padding:12px 22px;overflow-x:auto;scrollbar-width:none;
}
.pillbar-inner::-webkit-scrollbar{display:none;}
.pillbar-label{font-size:12px;color:#8fa9a2;letter-spacing:.08em;flex:0 0 auto;padding-right:6px;}
.pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;min-height:34px;
  padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;color:#c6d8d2;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.pill:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.28);transform:translateY(-1px);}
.pill.is-active{background:var(--accent);color:#2b1c03;font-weight:700;border-color:var(--accent);}

/* 通用卡片 */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.card{
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-radius:var(--r);
  box-shadow:var(--sh-1);
  padding:26px 24px;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d2c4;}
.card-ico{
  width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(19,75,64,.09);color:var(--brand);
  margin-bottom:16px;
}
.card-ico svg{width:20px;height:20px;}
.card h3{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--ink);}
.card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-2);}
.tag{
  display:inline-flex;align-items:center;
  margin-top:16px;padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--brand);
  background:rgba(19,75,64,.08);
}

/* 步骤 */
.steps-wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:center;}
.step-list{display:grid;gap:16px;margin-top:8px;}
.step-item{
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--r);padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d8d2c4;}
.step-num{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;letter-spacing:-.5px;
  color:#fff;background:linear-gradient(150deg,var(--brand) 0%,var(--brand-light) 100%);
  box-shadow:0 6px 16px rgba(19,75,64,.24);
}
.step-item h3{font-size:16.5px;font-weight:700;color:var(--ink);}
.step-item p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-2);}
.steps-figure{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-2);background:var(--surface);
}
.steps-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.steps-figure figcaption{
  padding:16px 20px;font-size:13px;line-height:1.7;color:var(--ink-2);
  background:var(--surface);border-top:1px solid var(--line-soft);
}

/* 对比表 */
.compare-table{
  width:100%;border-collapse:separate;border-spacing:0;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1);
}
.compare-table th,.compare-table td{
  padding:16px 20px;text-align:left;font-size:14px;
  border-bottom:1px solid var(--line-soft);
}
.compare-table thead th{
  background:var(--bg-alt);font-size:13.5px;font-weight:700;color:var(--brand);
  letter-spacing:.02em;
}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr{transition:background .2s ease;}
.compare-table tbody tr:hover{background:#faf9f4;}
.compare-table td:first-child{font-weight:600;color:var(--ink);width:26%;}
.compare-table td strong{color:var(--brand);font-weight:700;}

/* 时间线 */
.timeline{position:relative;margin-top:8px;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--accent) 0%,rgba(217,148,41,.18) 100%);
  border-radius:2px;
}
.timeline li{position:relative;padding:0 0 26px 0;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:-26px;top:7px;
  width:14px;height:14px;border-radius:50%;
  background:var(--surface);border:3px solid var(--accent);
  box-shadow:0 0 0 3px rgba(217,148,41,.12);
}
.timeline h3{font-size:16px;font-weight:700;color:var(--ink);}
.timeline .time-meta{
  display:inline-block;margin-top:6px;margin-bottom:8px;
  font-size:12.5px;font-weight:600;color:var(--accent-deep);
  background:var(--accent-soft);padding:3px 10px;border-radius:var(--r-pill);
}
.timeline p{font-size:14px;line-height:1.8;color:var(--ink-2);}
.section--dark .timeline h3{color:#fff;}
.section--dark .timeline p{color:#b9cdc6;}
.section--dark .timeline li::before{background:#0f3b33;border-color:var(--accent);}
.section--dark .timeline .time-meta{background:rgba(217,148,41,.18);color:#f0c483;}

/* 更新日志卡 */
.log-list{display:grid;gap:16px;}
.log-item{
  display:grid;grid-template-columns:150px minmax(0,1fr);
  gap:22px;align-items:start;
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--r);padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.log-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d8d2c4;}
.log-ver{font-size:17px;font-weight:800;color:var(--brand);letter-spacing:-.2px;}
.log-date{display:block;margin-top:6px;font-size:12.5px;color:var(--ink-3);}
.log-item h3{font-size:15.5px;font-weight:700;color:var(--ink);}
.log-item p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-2);}
.log-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.log-tags span{
  font-size:11.5px;font-weight:600;color:var(--brand);
  background:rgba(19,75,64,.07);padding:3px 10px;border-radius:var(--r-pill);
}

/* 玩家反馈 */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.quote{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r);padding:24px;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.quote:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.26);}
.quote p{font-size:14px;line-height:1.85;color:#d5e3de;}
.quote-user{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);}
.quote-avatar{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#0e352d;background:#8fd0b8;
}
.quote-name{font-size:13.5px;font-weight:600;color:#fff;}
.quote-name small{display:block;font-size:11.5px;font-weight:400;color:#9fb8b0;}

/* FAQ */
.faq-grid{display:grid;gap:14px;max-width:880px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--sh-1);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfd8d2;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--ink);
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#faf9f4;color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(19,75,64,.08);color:var(--brand);
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .22s ease,background .22s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-body{padding:0 22px 20px;font-size:14px;line-height:1.85;color:var(--ink-2);}

/* 保障条 */
.assure{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.assure-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--r);padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.assure-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.assure-item svg{width:22px;height:22px;color:var(--brand);flex:0 0 auto;margin-top:2px;}
.assure-item h3{font-size:15px;font-weight:700;color:var(--ink);}
.assure-item p{margin-top:6px;font-size:13.5px;line-height:1.75;color:var(--ink-2);}

/* 频道矩阵 */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--r);padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d2c4;}
.channel-card h3{font-size:16.5px;font-weight:700;color:var(--ink);}
.channel-card p{font-size:13.5px;line-height:1.8;color:var(--ink-2);}
.channel-link{
  margin-top:auto;padding-top:12px;
  font-size:13.5px;font-weight:700;color:var(--accent-deep);
  display:inline-flex;align-items:center;gap:6px;
}
.channel-card:hover .channel-link{color:var(--brand);}
.channel-card[aria-current="true"]{border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,148,41,.14),var(--sh-1);}
.channel-card[aria-current="true"] .channel-link{color:var(--brand);}

/* 收口 CTA */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;border-radius:var(--r-lg);
  padding:46px 44px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:50%;background:rgba(217,148,41,.16);pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,2.3vw,27px);font-weight:800;color:#fff;position:relative;z-index:1;}
.cta-band p{margin-top:12px;font-size:14.5px;line-height:1.8;color:#c6d8d2;max-width:600px;position:relative;z-index:1;}
.cta-band .btn{position:relative;z-index:1;}

/* 底部固定转化条 */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(11,50,43,.97);
  backdrop-filter:blur(10px);
  border-top:1px solid rgba(255,255,255,.14);
  box-shadow:0 -8px 24px rgba(6,28,23,.28);
}
.sticky-inner{
  display:flex;align-items:center;gap:18px;
  min-height:64px;padding:10px 22px;
}
.sticky-text{font-size:13.5px;color:#c6d8d2;line-height:1.5;}
.sticky-text strong{color:#fff;font-weight:700;}
.sticky-inner .btn{margin-left:auto;}
body{padding-bottom:76px;}

/* 页脚 */
.site-footer{background:#0b2b25;color:#b9cdc6;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:#fff;}
.footer-desc{margin-top:14px;font-size:13.5px;line-height:1.85;color:#9fb8b0;max-width:340px;}
.site-footer h4{font-size:13.5px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:13.5px;color:#a8c0b8;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:var(--accent);padding-left:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:#8fa9a2;
}

/* 响应式 */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-sub{max-width:none;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quote-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps-wrap{grid-template-columns:1fr;gap:32px;}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .assure{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:38px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:60px 0;}
}
@media (max-width:768px){
  .header-inner{height:60px;gap:12px;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .nav-list{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(18,53,46,.14);
    padding:10px 16px 16px;
    display:none;
  }
  .site-header.nav-open .nav-list{display:flex;}
  .nav-list a{padding:12px 14px;border-radius:var(--r-sm);font-size:14.5px;}
  .hero-inner{padding:40px 0 46px;}
  .hero-actions .btn{flex:1 1 auto;}
  .grid-3,.grid-2,.quote-grid,.channel-grid{grid-template-columns:1fr;}
  .log-item{grid-template-columns:1fr;gap:10px;}
  .compare-table{display:block;overflow-x:auto;white-space:nowrap;}
  .compare-table th,.compare-table td{padding:13px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .sticky-inner{min-height:58px;gap:12px;padding:8px 16px;}
  .sticky-text{font-size:12.5px;}
  .sticky-text span{display:none;}
  body{padding-bottom:70px;}
  .section{padding:48px 0;}
  .section--tight{padding:38px 0;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:15.5px;}
  .brand-text small{font-size:9.5px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:14.5px;}
  .card,.step-item,.channel-card{padding:20px 18px;}
  .step-item{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .step-num{width:44px;height:44px;border-radius:12px;font-size:15px;}
  .cta-band{padding:30px 22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .sticky-inner .btn{width:auto;}
}