/* roulang page: index */
:root{
  --bg-0:#060A15;--bg-1:#0A1024;--bg-2:#0E1730;
  --surface:rgba(22,34,62,.55);--surface-2:rgba(30,45,80,.42);
  --line:rgba(140,175,255,.14);--line-strong:rgba(140,175,255,.28);
  --primary:#3D7BFF;--primary-2:#2A5BE0;--accent:#37E6C8;--warm:#FFB65C;
  --text:#E9F0FF;--text-2:#A9B8D6;--text-3:#6F80A6;
  --ok:#3DDC97;--warn:#FFB020;--danger:#FF5F6D;
  --r-lg:16px;--r-sm:12px;--r-badge:6px;
  --shadow:0 8px 32px rgba(3,8,20,.55);
  --shadow-hover:0 14px 40px rgba(61,123,255,.22);
  --glow-blue:0 0 0 1px rgba(61,123,255,.35),0 10px 30px rgba(61,123,255,.35);
  --glow-warm:0 8px 26px rgba(255,182,92,.32);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg-0);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.16;letter-spacing:-.5px}
h2{font-size:clamp(22px,2.6vw,32px)}
h3{font-size:18px;font-weight:600}
p{color:var(--text-2)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(55,230,200,.28);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 50% at 50% 0%,rgba(61,123,255,.10),transparent 70%);
}
.section-head{max-width:780px;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;letter-spacing:.12em;
  color:var(--accent);text-transform:uppercase;margin-bottom:12px;font-weight:600;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
.section-head h2{margin-bottom:12px}
.section-head p{font-size:15px;color:var(--text-2)}

/* 顶部合规提示条 */
.compliance-bar{
  background:var(--bg-1);border-bottom:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);line-height:28px;
}
.compliance-bar .container{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:center}
.compliance-bar b{color:var(--warm);font-weight:600}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,10,21,.82);backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);transition:padding .2s ease,background .2s ease;
}
.site-header.compact .nav-brand-row{padding:8px 0}
.nav-brand-row{
  display:flex;align-items:center;gap:16px;padding:14px 0;transition:padding .2s ease;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(61,123,255,.9),rgba(55,230,200,.85));
  box-shadow:var(--glow-blue);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand-text em{font-size:11.5px;font-style:normal;color:var(--text-3);white-space:nowrap}
.city-pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  font-size:12.5px;white-space:nowrap;transition:.18s ease;
}
.city-pill:hover{border-color:var(--line-strong);color:var(--text);transform:translateY(-1px)}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  cursor:pointer;transition:.18s ease;
}
.icon-btn:hover{color:var(--accent);border-color:var(--line-strong);transform:translateY(-1px)}
.icon-btn svg{width:17px;height:17px}
.hamburger{display:none}
.chip-row{
  display:flex;gap:10px;overflow-x:auto;padding:0 0 12px;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:7px 16px;border-radius:999px;font-size:13.5px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  transition:.18s ease;white-space:nowrap;
}
.chip:hover{color:var(--text);transform:translateY(-1px);border-color:var(--line-strong)}
.chip.active{
  color:var(--text);border-color:rgba(55,230,200,.6);
  box-shadow:inset 0 0 12px rgba(55,230,200,.18),0 0 0 1px rgba(55,230,200,.15);
}
.mobile-menu{
  display:none;flex-direction:column;gap:2px;padding:10px 0 16px;
  border-top:1px solid var(--line);
}
.mobile-menu.open{display:flex}
.mobile-menu a{
  padding:11px 6px;border-radius:10px;font-size:14.5px;color:var(--text-2);
  transition:.16s ease;
}
.mobile-menu a:hover{background:var(--surface-2);color:var(--text);padding-left:12px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease,border-color .16s ease,color .16s ease;
  white-space:nowrap;
}
.btn-lg{height:48px;padding:0 26px;font-size:15.5px}
.btn-md{height:40px;padding:0 20px;font-size:14.5px}
.btn-sm{height:34px;padding:0 16px;font-size:13.5px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--accent));color:#04101F;
  box-shadow:var(--glow-blue);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 34px rgba(61,123,255,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(61,123,255,.3)}
.btn-warm{
  background:linear-gradient(135deg,#FFC879,var(--warm));color:#22140A;
  box-shadow:var(--glow-warm);
}
.btn-warm:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,182,92,.42)}
.btn-warm:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,182,92,.3)}
.btn-ghost{
  background:rgba(61,123,255,.08);border-color:var(--line-strong);color:var(--text);
}
.btn-ghost:hover{background:rgba(55,230,200,.1);border-color:rgba(55,230,200,.55);transform:translateY(-2px);color:#fff}
.btn-outline{
  background:transparent;border-color:var(--line-strong);color:var(--text);
}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn[disabled],.btn.disabled{opacity:.4;filter:saturate(.4);box-shadow:none;pointer-events:none}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;line-height:1.4;font-weight:500;
}
.badge-cyan{background:rgba(55,230,200,.12);color:var(--accent);border:1px solid rgba(55,230,200,.3)}
.badge-warm{background:rgba(255,182,92,.13);color:var(--warm);border:1px solid rgba(255,182,92,.32)}
.badge-mute{background:var(--surface-2);color:var(--text-2);border:1px solid var(--line)}

/* 卡片通用 */
.card{
  background:var(--surface);backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  position:relative;display:flex;flex-direction:column;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-hover),inset 0 1px 0 rgba(255,255,255,.08)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:70px 0 72px;isolation:isolate}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.32;z-index:-2;transform:scale(1.02);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(160deg,rgba(6,10,21,.92),rgba(6,10,21,.72) 45%,rgba(10,16,36,.95)),
             radial-gradient(60% 50% at 18% 12%,rgba(61,123,255,.24),transparent 65%),
             radial-gradient(50% 48% at 88% 78%,rgba(55,230,200,.16),transparent 70%);
}
.hero-inner{position:relative;max-width:900px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,182,92,.12);border:1px solid rgba(255,182,92,.4);color:var(--warm);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:20px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--warm);box-shadow:0 0 8px var(--warm)}
.hero h1{margin-bottom:18px}
.hero h1 span{
  background:linear-gradient(120deg,#7FA9FF,#37E6C8);-webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.hero-sub{font-size:15.5px;line-height:1.9;max-width:760px;margin-bottom:18px}
.hero-limit{
  display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:12px;
  background:rgba(255,182,92,.08);border-left:3px solid var(--warm);
  font-size:13px;color:#FFD6A1;margin-bottom:26px;flex-wrap:wrap;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--surface);backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);
}
.hero-stat{padding:18px 20px;border-right:1px solid var(--line)}
.hero-stat:last-child{border-right:0}
.hero-stat b{
  display:block;font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#8FB6FF,#37E6C8);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stat span{font-size:12.5px;color:var(--text-3);display:block;margin-top:2px}

/* 下载区 */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dl-card{
  display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(22,34,62,.75),rgba(14,23,48,.55));
  border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s ease;
}
.dl-card:hover{transform:translateY(-3px);border-color:rgba(55,230,200,.45);box-shadow:var(--shadow-hover)}
.dl-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(61,123,255,.14);border:1px solid var(--line-strong);color:var(--accent);
}
.dl-icon svg{width:22px;height:22px}
.dl-card h3{font-size:17px}
.dl-card p{font-size:13.5px;color:var(--text-3);margin:0}
.dl-btn{margin-top:auto;width:100%}
.dl-note{font-size:12.5px;color:var(--text-3);margin-top:18px;text-align:center}

/* 指标看板 */
.metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.metric{
  padding:22px 20px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s ease;
}
.metric:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.metric b{
  display:block;font-size:clamp(30px,3.4vw,42px);font-weight:700;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#9CC0FF,#37E6C8);-webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 22px rgba(55,230,200,.18);line-height:1.2;
}
.metric i{font-style:normal;font-size:13px;color:var(--text-3);margin-left:4px}
.metric span{display:block;font-size:13px;color:var(--text-2);margin-top:6px}
.metric .tagline{margin-top:10px;font-size:11.5px;color:var(--accent)}

/* 栏目矩阵 */
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.matrix-card{
  position:relative;padding:24px;border-radius:var(--r-lg);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:.2s ease;display:flex;flex-direction:column;min-height:178px;
}
.matrix-card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--accent),transparent);transition:width .28s ease;
}
.matrix-card:hover::before{width:100%}
.matrix-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.matrix-card.wide{grid-column:span 2}
.matrix-card h3{font-size:17px;margin-bottom:8px}
.matrix-card p{font-size:13.5px;line-height:1.8;color:var(--text-3)}
.matrix-card .count{
  margin-top:auto;padding-top:14px;font-size:12px;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.03em;
}
.matrix-ico{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(61,123,255,.14);border:1px solid var(--line-strong);color:var(--accent);
}
.matrix-ico svg{width:18px;height:18px}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step{
  padding:24px 20px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);position:relative;box-shadow:var(--shadow);transition:.2s ease;
}
.step:hover{border-color:rgba(55,230,200,.4);transform:translateY(-2px)}
.step .num{
  font-size:30px;font-weight:700;color:transparent;-webkit-text-stroke:1.4px rgba(140,175,255,.55);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:12px;
}
.step:hover .num{-webkit-text-stroke-color:var(--accent)}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--text-3)}

/* 对比 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line)}
.compare-col{padding:30px 28px}
.compare-col.before{background:var(--bg-2);border-right:1px solid var(--line)}
.compare-col.after{
  background:linear-gradient(160deg,rgba(55,230,200,.09),rgba(14,23,48,.6));
  box-shadow:inset 0 0 60px rgba(55,230,200,.05);
}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:16px;margin-bottom:18px}
.compare-col h3 .mk{width:8px;height:8px;border-radius:50%}
.before .mk{background:var(--text-3)}
.after .mk{background:var(--accent);box-shadow:0 0 10px var(--accent)}
.cmp-line{display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--text-2)}
.cmp-line:last-child{border-bottom:0}
.cmp-line svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px}
.before .cmp-line svg{color:var(--text-3)}
.after .cmp-line svg{color:var(--accent)}

/* 城市标签云 */
.city-cloud{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.city-tag{
  text-align:center;padding:12px 8px;border-radius:12px;font-size:14px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  transition:.18s ease;
}
.city-tag:hover{color:#fff;border-color:rgba(55,230,200,.5);background:rgba(55,230,200,.08);transform:translateY(-2px)}
.city-note{margin-top:20px;font-size:13px;color:var(--text-3)}

/* 卡住点 */
.blockers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.blocker{padding:24px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s ease}
.blocker:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.blocker .q{font-size:15.5px;font-weight:600;color:var(--text);margin-bottom:8px;display:flex;gap:8px}
.blocker .q span{color:var(--warm);font-weight:700}
.blocker p{font-size:13.5px;color:var(--text-3)}

/* 时间线 */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;padding-top:26px}
.timeline::before{
  content:"";position:absolute;top:6px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(140,175,255,.35),rgba(55,230,200,.45),rgba(140,175,255,.35),transparent);
}
.tl-item{position:relative;padding-top:8px}
.tl-item .dot{
  position:absolute;top:-26px;left:0;width:13px;height:13px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--accent);box-shadow:0 0 12px rgba(55,230,200,.6);
}
.tl-item b{display:block;font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums;margin-bottom:6px;letter-spacing:.05em}
.tl-item h3{font-size:16px;margin-bottom:6px}
.tl-item p{font-size:13.5px;color:var(--text-3)}

/* 场景专题 */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow);transition:.22s ease;
  display:flex;flex-direction:column;
}
.topic:hover{transform:translateY(-3px);border-color:rgba(55,230,200,.4);box-shadow:var(--shadow-hover)}
.topic .bar{height:3px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.topic-img{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.topic-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;opacity:.86}
.topic:hover .topic-img img{transform:scale(1.04);opacity:1}
.topic-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.topic-body h3{font-size:16px}
.topic-body p{font-size:13px;color:var(--text-3);margin:0}
.topic-body .badge{align-self:flex-start}

/* 热榜 */
.rank-wrap{display:grid;grid-template-columns:6fr 4fr;gap:24px}
.rank-list{padding:8px 24px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.rank-row{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.rank-row:last-child{border-bottom:0}
.rank-no{
  width:28px;height:28px;flex:0 0 28px;border-radius:8px;display:grid;place-items:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  border:1px solid var(--line-strong);color:var(--text-2);
}
.rank-no.top{border-color:rgba(255,182,92,.6);color:var(--warm);background:rgba(255,182,92,.08)}
.rank-name{font-size:14.5px;color:var(--text)}
.rank-desc{font-size:12.5px;color:var(--text-3)}
.rank-val{margin-left:auto;font-size:12.5px;color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap}
.feature-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.feature-card img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.9}
.feature-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px}

/* 资讯列表（CMS） */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:.2s ease;
}
.news-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;opacity:.88}
.news-card:hover .news-thumb img{transform:scale(1.03);opacity:1}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body .badge{align-self:flex-start}
.news-body h3{
  font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13.5px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;margin:0;
}
.news-meta{
  margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);border-top:1px dashed var(--line);
}
.news-meta .arrow{color:var(--accent);transition:transform .2s ease}
.news-card:hover .news-meta .arrow{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;padding:64px 20px;text-align:center;border-radius:var(--r-lg);
  background:var(--surface-2);border:1px dashed var(--line-strong);
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state svg{width:44px;height:44px;color:var(--text-3);stroke-width:1.5}
.empty-state p{color:var(--text-3);font-size:14px;margin:0}

/* 保障 */
.guard-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.guard{
  display:flex;gap:16px;padding:22px 24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s ease;
}
.guard:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.guard-ico{
  width:42px;height:42px;flex:0 0 42px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(61,123,255,.2),rgba(55,230,200,.16));
  border:1px solid var(--line-strong);color:var(--accent);
}
.guard-ico svg{width:19px;height:19px}
.guard h3{font-size:16px;margin-bottom:6px}
.guard p{font-size:13.5px;color:var(--text-3);margin:0}

/* 速答 */
.quick-list{display:grid;gap:14px}
.quick{
  padding:18px 22px;border-left:3px solid var(--accent);border-radius:0 12px 12px 0;
  background:rgba(55,230,200,.05);transition:.2s ease;
}
.quick:hover{background:rgba(55,230,200,.09);transform:translateX(3px)}
.quick h3{font-size:15.5px;margin-bottom:6px}
.quick p{font-size:13.5px;color:var(--text-3);margin:0}

/* FAQ */
.faq{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;transition:.2s ease;
}
.faq-item[open]{border-color:rgba(55,230,200,.45);box-shadow:var(--shadow-hover)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;gap:12px;color:var(--text);transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"＋";margin-left:auto;color:var(--accent);font-size:18px;font-weight:400;
  transition:transform .3s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--accent)}
.faq-body{
  padding:0 22px 20px 22px;font-size:14px;color:var(--text-2);line-height:1.9;
  border-left:2px solid var(--accent);margin-left:0;
}

/* 安全合规 */
.safety-wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start}
.safety-list{display:grid;gap:14px}
.safety-item{display:flex;gap:12px;font-size:14.5px;color:var(--text-2)}
.safety-item svg{width:18px;height:18px;flex:0 0 18px;margin-top:5px;color:var(--accent)}
.adult-card{
  padding:28px 26px;border-radius:var(--r-lg);background:var(--bg-2);
  border:1px solid rgba(255,182,92,.45);box-shadow:0 12px 34px rgba(255,182,92,.14);
  text-align:center;
}
.adult-card .mark{
  font-size:44px;font-weight:800;color:var(--warm);letter-spacing:.04em;line-height:1;
  text-shadow:0 0 24px rgba(255,182,92,.35);
}
.adult-card p{font-size:13.5px;color:var(--text-2);margin:14px 0 18px}

/* 表单 */
.form-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:start}
.form-card{
  padding:30px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(14px) saturate(140%);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;font-weight:500}
.field .req{color:var(--warm);margin-left:3px}
.input,.select,.textarea{
  width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;font-size:14.5px;color:var(--text);transition:.18s ease;
}
.input::placeholder,.textarea::placeholder{color:var(--text-3)}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(55,230,200,.16);
}
.textarea{min-height:110px;resize:vertical;line-height:1.75}
.select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.chip-select{display:flex;flex-wrap:wrap;gap:10px}
.chip-select input{position:absolute;opacity:0;width:0;height:0}
.chip-select label{
  margin:0;padding:7px 16px;border-radius:999px;font-size:13.5px;cursor:pointer;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);transition:.18s ease;
}
.chip-select label:hover{border-color:var(--line-strong);color:var(--text)}
.chip-select input:checked + label{
  border-color:rgba(55,230,200,.6);color:var(--text);
  background:rgba(55,230,200,.1);box-shadow:inset 0 0 12px rgba(55,230,200,.16);
}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-3)}
.check-row input{margin-top:5px;accent-color:var(--accent);width:15px;height:15px;flex:0 0 15px}
.err-tip{display:none;color:var(--danger);font-size:12px;margin-top:6px}
.field.has-error .input,.field.has-error .select,.field.has-error .textarea{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,95,109,.14)}
.field.has-error .err-tip{display:block}
.form-success{display:none;text-align:center;padding:40px 10px}
.form-success.show{display:block}
.form-success .ok-ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;display:grid;place-items:center;
  background:rgba(55,230,200,.14);border:1px solid rgba(55,230,200,.5);color:var(--accent);
}
.form-success h3{font-size:18px;margin-bottom:8px}
.form-success p{font-size:13.5px;color:var(--text-3)}
.subscribe-card{
  padding:26px;border-radius:var(--r-lg);background:var(--bg-2);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.subscribe-card h3{font-size:16px;margin-bottom:8px}
.subscribe-card p{font-size:13px;color:var(--text-3);margin-bottom:16px}
.sub-row{display:flex;gap:10px;flex-wrap:wrap}
.sub-row .input{flex:1;min-width:180px}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.85}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:14px;font-weight:600}
.footer-col a{display:block;font-size:13.5px;color:var(--text-3);padding:5px 0;transition:.18s ease}
.footer-col a:hover{color:var(--accent);padding-left:4px}
.footer-sub h4{font-size:14px;margin-bottom:14px;font-weight:600}
.footer-note{
  border-top:1px solid var(--line);padding:20px 0;font-size:12.5px;color:var(--text-3);
  display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;
}
.footer-note .badge{font-size:11.5px}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:18px;display:flex;flex-wrap:wrap;
  gap:10px 24px;align-items:center;font-size:12.5px;color:var(--text-3);
}
.footer-bottom .sp{margin-left:auto}

/* 响应式 */
@media (max-width:1279px){
  .metric-grid{grid-template-columns:repeat(3,1fr)}
  .city-cloud{grid-template-columns:repeat(4,1fr)}
  .matrix{grid-template-columns:repeat(3,1fr)}
  .matrix-card.wide{grid-column:span 2}
  .footer-top{grid-template-columns:1.2fr 1fr 1fr 1fr}
  .footer-sub{grid-column:1/-1}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stat:nth-child(2){border-right:0}
  .hero-stat:nth-child(1),.hero-stat:nth-child(2){border-bottom:1px solid var(--line)}
  .dl-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px}
  .timeline::before{display:none}
  .tl-item .dot{position:static;display:inline-block;margin-bottom:8px}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .rank-wrap{grid-template-columns:1fr}
  .safety-wrap{grid-template-columns:1fr}
  .form-wrap{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .compare-col.before{border-right:0;border-bottom:1px solid var(--line)}
  .blockers{grid-template-columns:1fr 1fr}
  .guard-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767px){
  .brand-text em{display:none}
  .city-pill{display:none}
  .brand-actions .btn{display:none}
  .hamburger{display:grid}
  .chip-row{padding-bottom:10px}
  .section{padding:48px 0}
  .hero{padding:44px 0 48px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:1fr}
  .matrix-card.wide{grid-column:span 1}
  .city-cloud{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:1fr}
  .blockers{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom .sp{margin-left:0}
}
@media (max-width:480px){
  body{font-size:15px}
  h1{font-size:26px}
  .container{padding:0 16px}
  .hero-stats{grid-template-columns:1fr}
  .hero-stat{border-right:0;border-bottom:1px solid var(--line)}
  .hero-stat:last-child{border-bottom:0}
  .metric-grid{grid-template-columns:1fr}
  .city-cloud{grid-template-columns:repeat(2,1fr)}
  .form-card{padding:22px 18px}
  .btn-lg{height:46px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .card:hover,.matrix-card:hover,.news-card:hover,.topic:hover,.dl-card:hover,.btn:hover{transform:none!important}
}

/* roulang page: article */
:root{
  --bg-0:#060A15;--bg-1:#0A1024;--bg-2:#0E1730;
  --surface:rgba(22,34,62,.55);--surface-2:rgba(30,45,80,.42);
  --line:rgba(140,175,255,.14);--line-strong:rgba(140,175,255,.28);
  --primary:#3D7BFF;--primary-2:#2A5BE0;--accent:#37E6C8;--warm:#FFB65C;
  --text:#E9F0FF;--text-2:#A9B8D6;--text-3:#6F80A6;
  --ok:#3DDC97;--warn:#FFB020;--danger:#FF5F6D;
  --r-lg:16px;--r-sm:12px;--r-badge:6px;
  --shadow:0 8px 32px rgba(3,8,20,.55);
  --shadow-hover:0 14px 40px rgba(61,123,255,.22);
  --glow-blue:0 0 0 1px rgba(61,123,255,.35),0 10px 30px rgba(61,123,255,.35);
  --glow-warm:0 8px 26px rgba(255,182,92,.32);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700}
p{margin:0}
h1{font-size:clamp(28px,4.2vw,40px);letter-spacing:-.5px}
h2{font-size:clamp(22px,2.6vw,30px)}
h3{font-size:19px;font-weight:600}
::selection{background:rgba(55,230,200,.28);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 50% at 50% 0%,rgba(61,123,255,.10),transparent 70%);
}
.section-head{max-width:800px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin-bottom:12px}
.section-head p{font-size:15px;color:var(--text-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;
  color:var(--accent);margin-bottom:12px;font-weight:600;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
/* 顶部合规提示条 */
.compliance-bar{background:var(--bg-1);border-bottom:1px solid var(--line)}
.compliance-bar .container{
  display:flex;gap:10px 22px;flex-wrap:wrap;align-items:center;justify-content:center;
  min-height:28px;padding:5px 16px;font-size:12.5px;color:var(--text-3);line-height:1.6;
}
.compliance-bar span{display:inline-flex;align-items:center;gap:6px}
.compliance-bar span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:.7}
/* 头部 */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(6,10,21,.82);
  backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);transition:background .2s ease;
}
.site-header.compact{background:rgba(6,10,21,.94)}
.site-header .container{position:relative}
.nav-brand-row{display:flex;align-items:center;gap:16px;padding:14px 0;transition:padding .2s ease}
.site-header.compact .nav-brand-row{padding:8px 0}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(61,123,255,.9),rgba(55,230,200,.85));
  box-shadow:var(--glow-blue);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand-text em{font-size:11.5px;font-style:normal;color:var(--text-3);white-space:nowrap}
.city-pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  font-size:12.5px;white-space:nowrap;transition:.18s ease;
}
.city-pill:hover{border-color:var(--line-strong);color:var(--text);transform:translateY(-1px)}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  cursor:pointer;transition:.18s ease;padding:0;
}
.icon-btn:hover{color:var(--accent);border-color:var(--line-strong);transform:translateY(-1px)}
.icon-btn svg{width:17px;height:17px}
.hamburger{display:none}
.chip-row{
  display:flex;gap:10px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:7px 16px;border-radius:999px;font-size:13.5px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  transition:.18s ease;white-space:nowrap;
}
.chip:hover{color:var(--text);transform:translateY(-1px);border-color:var(--line-strong)}
.chip.active{
  color:var(--text);border-color:rgba(55,230,200,.6);
  box-shadow:inset 0 0 12px rgba(55,230,200,.18),0 0 0 1px rgba(55,230,200,.15);
}
.mobile-menu{display:none;flex-direction:column;gap:2px;padding:10px 0 16px;border-top:1px solid var(--line)}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:11px 6px;border-radius:10px;font-size:14.5px;color:var(--text-2);transition:.16s ease}
.mobile-menu a:hover{background:var(--surface-2);color:var(--text);padding-left:12px}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;
  font-weight:600;cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease,border-color .16s ease,color .16s ease,background .16s ease;
}
.btn-lg{height:48px;padding:0 26px;font-size:15.5px}
.btn-md{height:40px;padding:0 20px;font-size:14.5px}
.btn-sm{height:34px;padding:0 16px;font-size:13.5px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#04101F;box-shadow:var(--glow-blue)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 34px rgba(61,123,255,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(61,123,255,.3)}
.btn-warm{background:linear-gradient(135deg,#FFC879,var(--warm));color:#22140A;box-shadow:var(--glow-warm)}
.btn-warm:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,182,92,.42)}
.btn-warm:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,182,92,.3)}
.btn-ghost{background:rgba(61,123,255,.08);border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(55,230,200,.1);border-color:rgba(55,230,200,.55);transform:translateY(-2px);color:#fff}
.btn-outline{background:transparent;border-color:var(--line-strong);color:var(--text-2)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;line-height:1.5;
}
.badge-accent{background:rgba(55,230,200,.12);color:var(--accent);border:1px solid rgba(55,230,200,.32)}
.badge-warm{background:rgba(255,182,92,.13);color:var(--warm);border:1px solid rgba(255,182,92,.32)}
.badge-gray{background:var(--surface-2);color:var(--text-2);border:1px solid var(--line)}
/* 文章头 */
.article-head{
  position:relative;padding:56px 0 48px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,36,.92),rgba(6,10,21,.98)),
             url("/assets/images/65bebd650a973190.webp") center/cover no-repeat;
}
.article-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(70% 60% at 20% 0%,rgba(61,123,255,.16),transparent 70%);
}
.article-head .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-2);transition:.18s ease;border-bottom:1px solid transparent}
.breadcrumb a:hover{color:var(--accent);border-bottom-color:rgba(55,230,200,.5)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .now{color:var(--text-2);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head h1{max-width:900px;margin-bottom:18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}
/* 正文布局 */
.article-main{padding:56px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:40px;align-items:start}
.article-body-wrap{min-width:0}
.key-points{
  background:var(--surface);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--shadow);margin-bottom:34px;position:relative;
}
.key-points h2{font-size:16px;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.key-points h2 .badge{margin-left:auto}
.key-points ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.key-points li{
  position:relative;padding-left:24px;font-size:14.5px;color:var(--text-2);line-height:1.75;
}
.key-points li::before{
  content:"";position:absolute;left:4px;top:.62em;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
}
.article-body{font-size:16px;line-height:1.9;color:var(--text-2);word-wrap:break-word;overflow-wrap:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:22px;color:var(--text);margin:2em 0 .8em;padding-left:14px;position:relative;
  scroll-margin-top:120px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.article-body h3{font-size:18px;color:var(--text);margin:1.6em 0 .6em;scroll-margin-top:120px}
.article-body h4{font-size:16px;color:var(--text);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{margin-bottom:.5em}
.article-body ul li::marker{color:var(--accent)}
.article-body ol li::marker{color:var(--accent);font-variant-numeric:tabular-nums}
.article-body a{
  color:var(--accent);border-bottom:1px solid rgba(55,230,200,.42);transition:.18s ease;
}
.article-body a:hover{color:#7CF2DE;border-bottom-color:rgba(124,242,222,.8)}
.article-body strong{color:var(--text);font-weight:600}
.article-body blockquote{
  margin:1.4em 0;padding:14px 20px;border-left:3px solid var(--warm);
  background:rgba(255,182,92,.07);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body img{border-radius:12px;margin:1.3em auto;box-shadow:var(--shadow);height:auto}
.article-body code{background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--accent)}
.article-body table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--surface-2);color:var(--text)}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2em 0}
.article-sign{
  margin-top:38px;padding:20px 22px;border-radius:var(--r-lg);
  background:var(--surface-2);border:1px solid var(--line);
  display:flex;gap:14px;align-items:flex-start;
}
.article-sign .avatar{
  width:42px;height:42px;flex:0 0 42px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(61,123,255,.85),rgba(55,230,200,.8));color:#04101F;
  font-weight:700;font-size:15px;
}
.article-sign strong{display:block;font-size:14.5px;color:var(--text)}
.article-sign p{font-size:13px;color:var(--text-3);margin-top:4px;line-height:1.75}
.disclaimer{
  margin-top:16px;padding:12px 16px;border-radius:12px;font-size:12.5px;color:var(--text-3);
  background:rgba(255,182,92,.06);border:1px solid rgba(255,182,92,.2);line-height:1.8;
}
.disclaimer a{color:var(--warm);border-bottom:1px solid rgba(255,182,92,.4)}
/* 侧栏 */
.article-aside{display:grid;gap:20px;position:sticky;top:104px}
.aside-card{
  background:var(--surface);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;
  box-shadow:var(--shadow);transition:border-color .18s ease,box-shadow .18s ease;
}
.aside-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.aside-card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--accent))}
.toc-list{list-style:none;margin:0;padding:0;display:grid;gap:2px;max-height:320px;overflow:auto}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;font-size:13.5px;color:var(--text-2);
  border-left:2px solid transparent;transition:.16s ease;line-height:1.6;
}
.toc-list a:hover{background:var(--surface-2);color:var(--text);border-left-color:var(--accent)}
.quick-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.quick-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:13.5px;color:var(--text-2);
  border:1px dashed transparent;transition:.16s ease;
}
.quick-list a::after{content:"→";color:var(--text-3);transition:.16s ease}
.quick-list a:hover{background:var(--surface-2);color:var(--text);border-color:var(--line)}
.quick-list a:hover::after{color:var(--accent);transform:translateX(3px)}
.cta-card{background:linear-gradient(160deg,rgba(61,123,255,.18),rgba(55,230,200,.08));border-color:rgba(255,182,92,.28)}
.cta-card p{font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:16px}
.cta-card .btn{width:100%}
/* 空态 */
.empty-state{
  text-align:center;padding:64px 20px;border-radius:var(--r-lg);
  background:var(--surface);border:1px dashed var(--line-strong);
}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--text-3);margin-bottom:20px}
/* 上下篇与返回 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:44px}
.post-nav-card{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;border-radius:var(--r-lg);
  background:var(--surface-2);border:1px solid var(--line);transition:.18s ease;
}
.post-nav-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.post-nav-card span{font-size:12px;color:var(--text-3)}
.post-nav-card strong{font-size:14.5px;color:var(--text);font-weight:600}
.back-row{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:center}
/* 相关入口 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.rel-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{font-size:16px;color:var(--text);line-height:1.5}
.rel-body p{font-size:13.5px;color:var(--text-3);line-height:1.75}
.rel-body .more{margin-top:auto;font-size:13px;color:var(--accent);display:inline-flex;gap:6px;align-items:center}
/* 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-sm);
  overflow:hidden;transition:.18s ease;
}
.faq-item[open]{border-color:rgba(55,230,200,.42);box-shadow:0 0 0 1px rgba(55,230,200,.12)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 20px;font-size:15px;font-weight:600;
  color:var(--text);display:flex;align-items:center;gap:12px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";width:3px;height:16px;border-radius:2px;background:var(--line-strong);
  transition:.18s ease;flex:0 0 3px;
}
.faq-item[open] summary::before{background:var(--accent)}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:18px;color:var(--text-3);transition:.25s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--accent)}
.faq-item .faq-a{padding:0 20px 18px 35px;font-size:14px;color:var(--text-2);line-height:1.85}
/* 反馈条 */
.report-card{
  display:grid;grid-template-columns:1.35fr .65fr;gap:24px;align-items:center;
  padding:28px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.report-card h2{font-size:20px;margin-bottom:10px}
.report-card p{font-size:14px;color:var(--text-2);line-height:1.85}
.report-card .side{display:grid;gap:12px;justify-items:start}
/* 下载 */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-btn{
  display:flex;flex-direction:column;align-items:flex-start;gap:6px;
  padding:22px 22px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.dl-btn:hover{transform:translateY(-3px);border-color:rgba(55,230,200,.5);box-shadow:var(--shadow-hover)}
.dl-btn .dl-top{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--text)}
.dl-btn .dl-top svg{width:20px;height:20px;color:var(--accent)}
.dl-btn small{font-size:12.5px;color:var(--text-3);line-height:1.7}
.dl-note{margin-top:18px;font-size:12.5px;color:var(--text-3);text-align:center}
/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-top{display:grid;grid-template-columns:1.5fr .8fr .8fr .8fr 1.1fr;gap:32px}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.8;margin-top:14px;max-width:360px}
.footer-col h4,.footer-sub h4{font-size:14px;color:var(--text);margin-bottom:14px}
.footer-col a{display:block;font-size:13.5px;color:var(--text-2);padding:5px 0;transition:.18s ease}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.sub-row{display:flex;gap:8px}
.input{
  width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  padding:10px 14px;font-size:14px;color:var(--text);transition:.18s ease;outline:none;
}
.input::placeholder{color:var(--text-3)}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(55,230,200,.14)}
.footer-note{
  display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:36px;padding-top:20px;
  border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);line-height:1.7;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:18px;font-size:12.5px;color:var(--text-3);
}
.footer-bottom .sp{opacity:.8}
/* 响应式 */
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:28px}
  .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .article-layout{grid-template-columns:1fr}
  .article-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-grid{grid-template-columns:1fr}
  .report-card{grid-template-columns:1fr}
  .article-head{padding:44px 0 38px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .brand-text em{display:none}
  .brand-actions .btn-warm{display:none}
  .brand-actions .icon-btn.search{display:none}
  .hamburger{display:grid}
  .city-pill{font-size:12px;padding:5px 11px}
  .article-main{padding:36px 0 52px}
  .article-aside{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .key-points{padding:18px 18px}
  .article-body{font-size:15.5px}
  .breadcrumb .now{max-width:42vw}
  .report-card{padding:22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .article-head{padding:34px 0 30px}
  .article-meta{font-size:12.5px;gap:8px 12px}
  .btn-lg{height:46px;padding:0 20px;font-size:15px}
  .dl-btn{padding:18px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .rel-card:hover,.dl-btn:hover,.btn:hover,.post-nav-card:hover{transform:none!important}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A15;--bg-1:#0A1024;--bg-2:#0E1730;
  --surface:rgba(22,34,62,.55);--surface-2:rgba(30,45,80,.42);
  --line:rgba(140,175,255,.14);--line-strong:rgba(140,175,255,.28);
  --primary:#3D7BFF;--primary-2:#2A5BE0;--accent:#37E6C8;--warm:#FFB65C;
  --text:#E9F0FF;--text-2:#A9B8D6;--text-3:#6F80A6;
  --ok:#3DDC97;--warn:#FFB020;--danger:#FF5F6D;
  --r-lg:16px;--r-sm:12px;--r-badge:6px;
  --shadow:0 8px 32px rgba(3,8,20,.55);
  --shadow-hover:0 14px 40px rgba(61,123,255,.22);
  --glow-blue:0 0 0 1px rgba(61,123,255,.35),0 10px 30px rgba(61,123,255,.35);
  --glow-warm:0 8px 26px rgba(255,182,92,.32);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1{font-size:clamp(28px,4.4vw,46px);line-height:1.16;letter-spacing:-.5px;font-weight:700}
h2{font-size:clamp(21px,2.6vw,31px);line-height:1.32;font-weight:700;letter-spacing:-.2px}
h3{font-size:18px;font-weight:600;line-height:1.5}
p{font-size:15.5px;line-height:1.9;color:var(--text-2)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 50% at 50% 0%,rgba(61,123,255,.10),transparent 70%);
}
.section-head{max-width:820px;margin-bottom:34px}
.section-head h2{margin-bottom:12px}
.section-head p{font-size:15px;color:var(--text-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;
  color:var(--accent);text-transform:uppercase;margin-bottom:12px;font-weight:600;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
.compliance-bar{background:var(--bg-1);border-bottom:1px solid var(--line);padding:6px 0;font-size:12.5px;color:var(--text-3)}
.compliance-bar .container{display:flex;gap:16px;flex-wrap:wrap;align-items:center;justify-content:center;text-align:center}
.compliance-bar span{white-space:nowrap}
/* 头部 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,10,21,.82);backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);transition:padding .2s ease,background .2s ease;
}
.site-header.compact .nav-brand-row{padding:8px 0}
.nav-brand-row{display:flex;align-items:center;gap:16px;padding:14px 0;transition:padding .2s ease}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(61,123,255,.9),rgba(55,230,200,.85));
  box-shadow:var(--glow-blue);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand-text em{font-size:11.5px;font-style:normal;color:var(--text-3);white-space:nowrap}
.city-pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  font-size:12.5px;white-space:nowrap;transition:.18s ease;
}
.city-pill:hover{border-color:var(--line-strong);color:var(--text);transform:translateY(-1px)}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  cursor:pointer;transition:.18s ease;
}
.icon-btn:hover{color:var(--accent);border-color:var(--line-strong);transform:translateY(-1px)}
.icon-btn svg{width:17px;height:17px}
.hamburger{display:none}
.chip-row{
  display:flex;gap:10px;overflow-x:auto;padding:0 0 12px;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:7px 16px;border-radius:999px;font-size:13.5px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  transition:.18s ease;white-space:nowrap;
}
.chip:hover{color:var(--text);transform:translateY(-1px);border-color:var(--line-strong)}
.chip.active{
  color:var(--text);border-color:rgba(55,230,200,.6);
  box-shadow:inset 0 0 12px rgba(55,230,200,.18),0 0 0 1px rgba(55,230,200,.15);
}
.mobile-menu{display:none;flex-direction:column;gap:2px;padding:10px 0 16px;border-top:1px solid var(--line)}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:11px 6px;border-radius:10px;font-size:14.5px;color:var(--text-2);transition:.16s ease}
.mobile-menu a:hover{background:var(--surface-2);color:var(--text);padding-left:12px}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease,border-color .16s ease,color .16s ease;
  white-space:nowrap;
}
.btn-lg{height:48px;padding:0 26px;font-size:15.5px}
.btn-md{height:40px;padding:0 20px;font-size:14.5px}
.btn-sm{height:34px;padding:0 16px;font-size:13.5px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#04101F;box-shadow:var(--glow-blue)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 34px rgba(61,123,255,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(61,123,255,.3)}
.btn-warm{background:linear-gradient(135deg,#FFC879,var(--warm));color:#22140A;box-shadow:var(--glow-warm)}
.btn-warm:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,182,92,.42)}
.btn-warm:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,182,92,.3)}
.btn-ghost{background:rgba(61,123,255,.08);border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(55,230,200,.1);border-color:rgba(55,230,200,.55);transform:translateY(-2px);color:#fff}
.btn-outline{background:transparent;border-color:var(--line-strong);color:var(--text-2)}
.btn-outline:hover{border-color:rgba(55,230,200,.55);color:var(--text);transform:translateY(-2px)}
.btn:disabled,.btn.is-disabled{opacity:.4;box-shadow:none;cursor:not-allowed;filter:saturate(.4)}
/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;line-height:1.6;border:1px solid transparent;white-space:nowrap;
}
.badge-info{background:rgba(55,230,200,.1);border-color:rgba(55,230,200,.35);color:#8FF3E3}
.badge-warm{background:rgba(255,182,92,.12);border-color:rgba(255,182,92,.38);color:#FFD7A3}
.badge-mute{background:rgba(140,175,255,.08);border-color:var(--line);color:var(--text-3)}
/* 分类页头 */
.page-hero{
  position:relative;padding:44px 0 40px;overflow:hidden;
  background:
    radial-gradient(70% 120% at 12% 0%,rgba(61,123,255,.18),transparent 62%),
    radial-gradient(60% 110% at 92% 10%,rgba(55,230,200,.12),transparent 66%),
    linear-gradient(180deg,rgba(14,23,48,.92),rgba(6,10,21,.72));
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(140,175,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(140,175,255,.06) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(70% 80% at 50% 30%,#000,transparent 78%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap}
.crumb a{color:var(--text-2);transition:.16s ease}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--text-3);opacity:.7}
.page-hero h1{margin-bottom:14px}
.page-hero .lead{max-width:760px;font-size:15.5px;color:var(--text-2);line-height:1.9}
.mini-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.mini-stat{
  display:flex;flex-direction:column;gap:2px;min-width:132px;padding:10px 16px;border-radius:var(--r-sm);
  background:var(--surface);border:1px solid var(--line);backdrop-filter:blur(14px) saturate(140%);
}
.mini-stat b{font-size:19px;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.mini-stat span{font-size:12px;color:var(--text-3)}
/* 筛选条 */
.filter-bar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:16px 18px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow);
}
.filter-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-width:0}
.filter-label{font-size:12.5px;color:var(--text-3);margin-right:2px}
.filter-bar .chip{cursor:pointer;font-size:12.5px;padding:6px 14px}
.filter-search{margin-left:auto;display:flex;align-items:center;gap:8px;min-width:220px;flex:1 1 220px;max-width:320px}
.input{
  width:100%;height:40px;padding:0 14px;border-radius:var(--r-sm);
  background:var(--bg-2);border:1px solid var(--line);color:var(--text);
  font-size:14px;transition:.16s ease;
}
.input::placeholder{color:var(--text-3)}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(55,230,200,.16)}
/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);backdrop-filter:blur(14px) saturate(140%);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.post-thumb{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;opacity:.92}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:18px 18px 16px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-badges{display:flex;gap:8px;flex-wrap:wrap}
.post-title{font-size:16px;font-weight:600;line-height:1.55;color:var(--text);transition:color .16s ease}
.post-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title{color:var(--accent)}
.post-desc{
  font-size:13.5px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--text-3);
}
.post-meta .arrow{transition:transform .18s ease;color:var(--accent)}
.post-card:hover .post-meta .arrow{transform:translateX(3px)}
.empty{
  grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:64px 20px;text-align:center;
  background:var(--surface-2);border:1px dashed var(--line-strong);border-radius:var(--r-lg);
}
.empty svg{width:44px;height:44px;color:var(--text-3)}
.empty p{font-size:14px;color:var(--text-3)}
.list-foot{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:34px}
.list-foot .count{font-size:12.5px;color:var(--text-3)}
/* 城市覆盖 */
.city-cloud{display:flex;flex-wrap:wrap;gap:10px}
.city-tag{
  padding:8px 16px;border-radius:999px;font-size:13.5px;color:var(--text-2);
  background:var(--surface-2);border:1px solid var(--line);transition:.18s ease;white-space:nowrap;
}
.city-tag:hover{color:var(--text);border-color:rgba(55,230,200,.5);transform:translateY(-1px);background:rgba(55,230,200,.08)}
/* 时段档期 */
.slot-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.slot-card{
  padding:18px;border-radius:var(--r-sm);background:var(--surface-2);
  border:1px solid var(--line);transition:.18s ease;position:relative;overflow:hidden;
}
.slot-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.5;
}
.slot-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.slot-card b{display:block;font-size:15.5px;color:var(--text);margin-bottom:6px}
.slot-card span{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;display:block;margin-bottom:8px}
.slot-card p{font-size:13px;line-height:1.75;color:var(--text-2);margin:0}
/* 排行 */
.rank-list{margin-top:22px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 28px}
.rank-item{display:flex;align-items:center;gap:14px;padding:12px 4px;border-bottom:1px dashed var(--line)}
.rank-no{
  width:26px;height:26px;flex:0 0 26px;border-radius:8px;display:grid;place-items:center;
  font-size:12.5px;font-variant-numeric:tabular-nums;color:var(--text-2);
  border:1px solid var(--line-strong);background:rgba(61,123,255,.08);
}
.rank-item:nth-child(-n+2) .rank-no{color:#FFD7A3;border-color:rgba(255,182,92,.5);background:rgba(255,182,92,.1)}
.rank-item b{font-size:14.5px;color:var(--text);font-weight:600}
.rank-item em{font-style:normal;margin-left:auto;font-size:12.5px;color:var(--text-3);white-space:nowrap}
/* 两栏说明 */
.split{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.prose h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:16px}
.prose p{margin-bottom:1em;font-size:15px;line-height:1.95;color:var(--text-2)}
.prose p:last-child{margin-bottom:0}
.info-card{
  padding:24px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(14px) saturate(140%);
}
.info-card h3{margin-bottom:14px;font-size:16px}
.info-card ul{display:flex;flex-direction:column;gap:12px}
.info-card li{display:flex;gap:10px;font-size:13.5px;line-height:1.8;color:var(--text-2)}
.info-card li svg{width:16px;height:16px;flex:0 0 16px;margin-top:6px;color:var(--accent)}
.info-card .stamp{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--text-3);
}
/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:var(--r-sm);background:var(--surface);border:1px solid var(--line);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
  backdrop-filter:blur(14px) saturate(140%);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:rgba(55,230,200,.4);box-shadow:0 0 0 1px rgba(55,230,200,.12)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 20px;display:flex;align-items:center;gap:12px;
  font-size:15px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";margin-left:auto;width:9px;height:9px;flex:0 0 9px;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transition:transform .25s ease,border-color .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--accent)}
.faq-item .faq-body{
  padding:0 20px 18px;font-size:14px;line-height:1.9;color:var(--text-2);
  border-left:3px solid var(--accent);margin-left:20px;padding-left:16px;
}
/* 编辑准则 */
.rule-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.rule-card{
  padding:26px;border-radius:var(--r-lg);background:var(--surface-2);
  border:1px solid var(--line);
}
.rule-card h3{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:16.5px}
.rule-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(55,230,200,.7)}
.rule-card ul{display:flex;flex-direction:column;gap:10px}
.rule-card li{position:relative;padding-left:20px;font-size:13.8px;line-height:1.85;color:var(--text-2)}
.rule-card li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:5px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg);
}
/* 下载 */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-card{
  padding:24px;border-radius:var(--r-lg);display:flex;flex-direction:column;gap:12px;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  backdrop-filter:blur(14px) saturate(140%);
}
.dl-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.dl-card .dl-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(61,123,255,.28),rgba(55,230,200,.22));
  border:1px solid var(--line-strong);color:var(--accent);
}
.dl-card .dl-ico svg{width:20px;height:20px}
.dl-card h3{font-size:16px}
.dl-card p{font-size:13px;color:var(--text-3);line-height:1.75;margin:0}
.dl-card .btn{width:100%;margin-top:auto}
/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.5fr;gap:32px;padding-bottom:32px;border-bottom:1px solid var(--line)}
.footer-brand p{font-size:13px;color:var(--text-3);line-height:1.8;margin-top:14px}
.footer-col h4,.footer-sub h4{font-size:13px;color:var(--text);margin-bottom:14px;font-weight:600;letter-spacing:.04em}
.footer-col a{display:block;font-size:13px;color:var(--text-3);padding:5px 0;transition:.16s ease}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.sub-row{display:flex;gap:8px}
.sub-row .input{height:38px;font-size:13px}
.footer-note{
  display:flex;gap:20px;flex-wrap:wrap;padding:18px 0;font-size:12.5px;color:var(--text-3);
  border-bottom:1px solid var(--line);
}
.footer-bottom{display:flex;gap:16px;flex-wrap:wrap;justify-content:space-between;padding-top:18px;font-size:12.5px;color:var(--text-3)}
.footer-bottom .sp{color:var(--text-3);opacity:.85}
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:26px}
  .footer-sub{grid-column:1 / -1}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:24px}
  .slot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:24px}
  .brand-text em{display:none}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .container{padding:0 16px}
  .hamburger{display:grid}
  .brand-actions .btn-warm{display:none}
  .city-pill{display:none}
  .page-hero{padding:30px 0 28px}
  .mini-stats{gap:10px}
  .mini-stat{flex:1 1 calc(50% - 10px);min-width:0;padding:10px 12px}
  .filter-bar{padding:14px}
  .filter-search{margin-left:0;max-width:none;width:100%}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .slot-grid{grid-template-columns:1fr}
  .dl-grid{grid-template-columns:1fr}
  .rule-grid{grid-template-columns:1fr}
  .rank-list{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:22px}
  .footer-note{flex-direction:column;gap:8px}
  .faq-item summary{font-size:14px;padding:14px 16px}
  .faq-item .faq-body{margin-left:16px;padding-left:12px;padding-right:16px}
}
@media (max-width:480px){
  h1{font-size:26px}
  .post-body{padding:16px 14px 14px}
  .dl-card{padding:18px}
  .btn-lg{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .post-card:hover,.dl-card:hover,.slot-card:hover{transform:none}
}