/* roulang page: index */
*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#05090F;--bg-2:#0A1322;--bg-3:#0E1A2E;
  --glass:rgba(140,185,255,.06);
  --line:rgba(120,170,255,.16);--line-strong:rgba(120,170,255,.32);
  --ink:#E9F0FF;--muted:#93A6C2;--dim:#66799A;
  --accent:#35D9FF;--accent-deep:#2A6BFF;--hot:#FF4D6D;
  --r:16px;
}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
body.lock{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- 通用组件 ---------- */
.glass{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px);
}
@supports not (backdrop-filter:blur(2px)){.glass{background:var(--bg-2)}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;
}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#03121A;box-shadow:0 8px 24px rgba(53,217,255,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 32px rgba(53,217,255,.44)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(53,217,255,.3)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);box-shadow:inset 0 0 0 1px rgba(53,217,255,.22)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

section{padding:56px 0;position:relative}
@media(min-width:768px){section{padding:76px 0}}
@media(min-width:1024px){section{padding:92px 0}}
.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px 24px;margin-bottom:26px}
.sec-title{position:relative;padding-left:14px;font-size:22px;font-weight:700;line-height:1.35;letter-spacing:0}
.sec-title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--accent)}
.sec-title small{display:block;margin-top:4px;font-size:12px;font-weight:400;color:var(--dim);letter-spacing:.14em}
@media(min-width:768px){.sec-title{font-size:26px}}
.sec-note{max-width:560px;font-size:13px;color:var(--muted)}
.sec-link{font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:2px;transition:color .2s,border-color .2s}
.sec-link:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(5,9,15,.55);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .24s,border-color .24s;
}
.site-header.is-scrolled{background:rgba(5,9,15,.86);border-bottom-color:var(--line)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.logo{display:flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));
  color:#03121A;font-weight:800;font-size:15px;letter-spacing:-.5px;
  box-shadow:0 6px 18px rgba(53,217,255,.28);
}
.logo-text b{display:block;font-size:16px;font-weight:700;line-height:1.2}
.logo-text span{display:block;font-size:11px;color:var(--muted);line-height:1.5;letter-spacing:.04em}
.nav-links{display:none}
.nav-cta{display:none}
.menu-btn{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;border:1px solid var(--line);border-radius:12px;
  background:transparent;cursor:pointer;
}
.menu-btn i{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.menu-btn[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] i:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(min-width:1024px){
  .menu-btn{display:none}
  .nav-links{display:flex;align-items:center;gap:26px}
  .nav-cta{display:inline-flex}
  .nav-bar{height:72px}
}
.nav-links a{position:relative;padding:10px 2px;font-size:14px;color:var(--muted);transition:color .2s}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{transform:scaleX(1)}

/* 移动抽屉 */
.mask{position:fixed;inset:0;background:rgba(5,9,15,.66);opacity:0;pointer-events:none;transition:opacity .24s;z-index:55}
.mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:320px;z-index:60;
  padding:22px;background:rgba(10,19,34,.97);backdrop-filter:blur(16px);
  border-left:1px solid var(--line);transform:translateX(100%);
  transition:transform .28s;display:flex;flex-direction:column;gap:6px;
}
.drawer.open{transform:none}
.drawer b{font-size:16px;margin-bottom:10px}
.drawer a{display:flex;align-items:center;min-height:44px;font-size:15px;color:var(--muted);border-bottom:1px solid var(--line);transition:color .2s}
.drawer a:hover{color:var(--accent)}
.drawer .btn{margin-top:18px}

/* ---------- Hero ---------- */
.hero{overflow:hidden;padding:40px 0 52px;background:var(--bg)}
@media(min-width:768px){.hero{padding:56px 0 72px}}
@media(min-width:1024px){.hero{padding:64px 0 88px}}
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.3}
.hero-bg::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-image:repeating-linear-gradient(0deg,rgba(120,170,255,.5) 0 1px,transparent 1px 44px),
                   repeating-linear-gradient(90deg,rgba(120,170,255,.5) 0 1px,transparent 1px 44px);
  opacity:.05;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(180deg,rgba(5,9,15,.72),rgba(5,9,15,.96) 78%),
             radial-gradient(58% 58% at 82% 16%,rgba(53,217,255,.18),transparent 72%);
}
.scan{
  position:absolute;left:0;right:0;top:0;height:1px;z-index:3;opacity:.6;
  background:linear-gradient(90deg,transparent,rgba(53,217,255,.7),transparent);
  animation:scan 16s linear infinite;
}
@keyframes scan{0%{transform:translateY(0)}100%{transform:translateY(620px)}}
@media(prefers-reduced-motion:reduce){.scan{animation:none;opacity:.25}}

.hero-inner{position:relative;z-index:4;display:grid;gap:34px}
@media(min-width:768px){.hero-inner{grid-template-columns:1.05fr .95fr;align-items:center;gap:44px}}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  padding:6px 14px;border-radius:999px;font-size:12px;color:var(--muted);
  border:1px solid var(--line);background:var(--glass);
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--hot);box-shadow:0 0 8px var(--hot)}
.hero h1{
  font-size:clamp(28px,4.2vw,52px);line-height:1.18;font-weight:700;letter-spacing:0;margin-bottom:14px;
}
.hero h1 .hl{
  display:block;font-size:clamp(18px,2.6vw,28px);font-weight:600;color:var(--accent);
  margin-top:10px;padding-bottom:10px;letter-spacing:.02em;
  background:linear-gradient(90deg,var(--accent),transparent 72%) left bottom/60% 3px no-repeat;
}
.hero-sub{font-size:14px;color:var(--accent);letter-spacing:.02em;margin-bottom:14px}
@media(min-width:768px){.hero-sub{font-size:16px}}
.hero-desc{max-width:62ch;font-size:14px;color:var(--muted);line-height:1.85}
@media(min-width:768px){.hero-desc{font-size:15px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:22px;font-size:12px;color:var(--dim)}
.hero-facts li{display:flex;align-items:center;gap:6px}
.hero-facts li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:.8}

.hero-stage{position:relative;display:flex;justify-content:center}
.hero-poster{
  position:relative;width:100%;max-width:340px;aspect-ratio:3/4;border-radius:20px;overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:0 24px 60px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.08);
}
.hero-poster img{width:100%;height:100%;object-fit:cover}
.hero-poster::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,15,.15) 40%,rgba(5,9,15,.92))}
.poster-chip{
  position:absolute;top:12px;left:12px;z-index:2;display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,77,109,.18);border:1px solid rgba(255,77,109,.5);color:#FFC9D3;
}
.poster-chip i{width:6px;height:6px;border-radius:50%;background:var(--hot);box-shadow:0 0 8px var(--hot)}
.poster-caption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:16px}
.poster-caption b{display:block;font-size:16px;margin-bottom:4px}
.poster-caption span{font-size:12px;color:var(--muted)}
.poster-float{
  position:absolute;right:-6px;bottom:26px;z-index:3;padding:10px 14px;border-radius:14px;font-size:12px;
  background:rgba(10,19,34,.86);border:1px solid var(--line-strong);backdrop-filter:blur(12px);
}
.poster-float b{display:block;font-size:20px;font-weight:700;color:var(--accent);line-height:1.2;font-variant-numeric:tabular-nums}

/* ---------- 指标看板 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr);gap:16px}}
.stat{padding:18px 16px;transition:border-color .2s}
.stat:hover{border-color:var(--line-strong)}
.stat b{display:block;font-size:30px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;transition:color .2s}
@media(min-width:768px){.stat b{font-size:36px}}
.stat:hover b{color:var(--accent)}
.stat b em{font-size:13px;font-style:normal;color:var(--muted);font-weight:500;margin-left:4px}
.stat span{display:block;font-size:12px;color:var(--muted);margin-top:2px}

/* ---------- 品牌故事 ---------- */
.story{display:grid;gap:24px;align-items:center}
@media(min-width:1024px){.story{grid-template-columns:1.05fr .95fr;gap:44px}}
.story-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10}
.story-media img{width:100%;height:100%;object-fit:cover}
.story-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(5,9,15,.1),rgba(5,9,15,.7))}
.story-body h2{position:relative;padding-left:14px;font-size:22px;font-weight:700;line-height:1.4;margin-bottom:14px}
.story-body h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--accent)}
@media(min-width:768px){.story-body h2{font-size:26px}}
.story-body p{font-size:14px;color:var(--muted);margin-bottom:12px;line-height:1.85}
.story-points{display:grid;gap:10px;margin-top:18px}
.story-points li{display:flex;gap:10px;font-size:13px;color:var(--ink)}
.story-points li b{color:var(--accent);font-variant-numeric:tabular-nums;min-width:22px}

/* ---------- 频道分类 ---------- */
.cat-bar{display:grid;border-top:1px solid var(--line)}
.cat-item{display:block;padding:18px 0;border-bottom:1px solid var(--line);transition:color .2s;color:var(--muted)}
.cat-item:hover{color:var(--ink)}
.cat-no{
  display:inline-grid;place-items:center;width:32px;height:22px;margin-bottom:10px;
  font-size:12px;font-variant-numeric:tabular-nums;color:var(--dim);
  border:1px solid var(--line-strong);border-radius:6px;transition:color .2s,border-color .2s;
}
.cat-item:hover .cat-no{color:var(--accent);border-color:var(--accent)}
.cat-item b{display:block;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px}
.cat-item span{font-size:13px;line-height:1.75;display:block}
@media(min-width:1024px){
  .cat-bar{grid-template-columns:repeat(5,1fr);border-top:none}
  .cat-item{padding:4px 20px;border-bottom:none;border-left:1px solid var(--line)}
  .cat-item:first-child{border-left:none;padding-left:0}
}

/* ---------- 内容卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:768px){.card-grid{grid-template-columns:repeat(3,1fr);gap:18px}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(4,1fr);gap:20px}}
.pcard{
  position:relative;overflow:hidden;border-radius:var(--r);
  border:1px solid var(--line);background:var(--glass);
  transition:transform .2s,border-color .2s,background .2s;
}
.pcard:hover{transform:translateY(-2px);border-color:var(--line-strong);background:rgba(140,185,255,.09)}
.pcard .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.pcard:hover .thumb img{transform:scale(1.05)}
.pcard .badge{
  position:absolute;top:8px;left:8px;padding:2px 8px;border-radius:999px;font-size:11px;
  background:rgba(5,9,15,.74);border:1px solid var(--line);color:var(--ink);
}
.badge.bd{color:#DCEBFF;border-color:rgba(220,235,255,.4)}
.badge.hd{color:#9FE6FF;border-color:rgba(53,217,255,.45)}
.badge.live{color:#FFC9D3;border-color:rgba(255,77,109,.55);background:rgba(255,77,109,.2)}
.pcard .score{
  position:absolute;top:8px;right:8px;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;color:var(--accent);background:rgba(5,9,15,.78);border:1px solid var(--line);
}
.pcard .play{
  position:absolute;left:0;right:0;bottom:0;padding:26px 12px 10px;font-size:12px;color:var(--accent);
  background:linear-gradient(180deg,transparent,rgba(5,9,15,.9));
  opacity:0;transform:translateY(6px);transition:opacity .2s,transform .2s;
}
.pcard:hover .play{opacity:1;transform:none}
@media(hover:none){.pcard .play{display:none}}
.pcard h3{
  padding:10px 12px 12px;font-size:14px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- 热门推荐 ---------- */
.feat-grid{display:grid;gap:16px}
@media(min-width:1024px){.feat-grid{grid-template-columns:1.35fr 1fr;gap:20px}}
.feat-lead{position:relative;overflow:hidden;border-radius:18px;border:1px solid var(--line);min-height:260px}
.feat-lead img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feat-lead::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,15,.05) 30%,rgba(5,9,15,.94))}
.feat-lead .lead-body{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2}
.feat-lead h3{font-size:19px;font-weight:700;margin-bottom:8px}
.feat-lead p{font-size:13px;color:var(--muted);margin-bottom:12px;max-width:44ch}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:11px;padding:3px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.tag.on{color:var(--accent);border-color:rgba(53,217,255,.45);background:rgba(53,217,255,.1)}
.feat-list{display:grid;gap:12px}
@media(min-width:520px){.feat-list{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.feat-list{grid-template-columns:1fr;gap:12px}}
.feat-item{
  display:grid;grid-template-columns:110px 1fr;gap:12px;align-items:center;padding:8px;
  border-radius:14px;border:1px solid var(--line);background:var(--glass);transition:border-color .2s,background .2s;
}
.feat-item:hover{border-color:var(--line-strong);background:rgba(140,185,255,.09)}
.feat-item img{width:110px;height:66px;object-fit:cover;border-radius:8px}
.feat-item b{display:block;font-size:14px;font-weight:600;line-height:1.5;margin-bottom:3px}
.feat-item span{font-size:12px;color:var(--dim)}

/* ---------- 排行榜 ---------- */
.rank-grid{display:grid;gap:0}
@media(min-width:768px){.rank-grid{grid-template-columns:1fr 1fr;grid-auto-flow:column;grid-template-rows:repeat(5,auto);column-gap:36px}}
.rank-row{
  display:flex;align-items:center;gap:10px;padding:11px 8px;border-radius:8px;min-height:48px;
  transition:background .2s;
}
.rank-row:hover{background:rgba(255,255,255,.04)}
.rank-no{width:26px;flex:none;font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--dim);transition:color .2s}
.rank-row.top .rank-no{color:var(--hot)}
.rank-row:hover .rank-no{color:var(--accent)}
.rank-name{font-size:14px;font-weight:600;flex:none;max-width:7.2em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-cat{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:1px 8px;flex:none}
.bar{flex:1;min-width:36px;height:4px;border-radius:2px;background:rgba(120,170,255,.14);overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent-deep),var(--accent))}
.rank-score{flex:none;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--accent)}

/* ---------- 多端矩阵 ---------- */
.matrix{display:grid;gap:14px}
@media(min-width:1024px){.matrix{grid-template-columns:1.25fr repeat(3,1fr);gap:16px}}
.matrix-lead{position:relative;overflow:hidden;border-radius:18px;border:1px solid var(--line);min-height:220px}
.matrix-lead img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.matrix-lead::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(5,9,15,.35),rgba(5,9,15,.9))}
.matrix-lead .lead-body{position:relative;z-index:2;padding:22px}
.matrix-lead b{display:block;font-size:17px;margin-bottom:8px}
.matrix-lead p{font-size:13px;color:var(--muted);max-width:38ch}
.matrix-item{padding:18px 16px;border-top:1px solid var(--line);transition:border-color .2s}
@media(min-width:1024px){.matrix-item{border-top:none;border-left:1px solid var(--line);padding:6px 0 6px 18px}}
.matrix-item em{display:block;font-style:normal;font-size:12px;color:var(--dim);font-variant-numeric:tabular-nums;margin-bottom:8px}
.matrix-item b{display:block;font-size:15px;font-weight:700;margin-bottom:6px;transition:color .2s}
.matrix-item:hover b{color:var(--accent)}
.matrix-item span{display:block;font-size:13px;color:var(--muted);line-height:1.75}

/* ---------- 画质对比 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--glass)}
.cmp{width:100%;min-width:540px;font-size:13px}
.cmp th,.cmp td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.cmp thead th{font-size:12px;font-weight:600;color:var(--muted)}
.cmp tbody th{
  font-weight:500;color:var(--muted);position:sticky;left:0;z-index:2;
  background:var(--bg-3);min-width:96px;
}
.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:none}
.cmp .reco{background:rgba(53,217,255,.08);box-shadow:inset 0 0 0 1px rgba(53,217,255,.36);color:var(--ink);font-weight:600}
.cmp td{color:var(--ink);font-variant-numeric:tabular-nums}
.cmp thead .reco{border-radius:12px 12px 0 0}
.cmp thead .reco span{display:inline-block;margin-left:6px;padding:1px 7px;border-radius:999px;font-size:10px;background:var(--accent);color:#03121A}

/* ---------- 里程碑 ---------- */
.tl{position:relative;display:grid;gap:22px;padding-left:22px}
.tl::before{content:"";position:absolute;left:4px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--accent),rgba(53,217,255,.05))}
.tl-node{position:relative}
.tl-node::before{
  content:"";position:absolute;left:-22px;top:8px;width:9px;height:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(53,217,255,.85);
}
.tl-node em{display:block;font-style:normal;font-size:12px;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.08em;margin-bottom:4px}
.tl-node p{font-size:13px;color:var(--muted);line-height:1.75}
@media(min-width:768px){
  .tl{grid-template-columns:repeat(4,1fr);gap:24px;padding-left:0;padding-top:28px}
  .tl::before{left:0;right:0;top:4px;bottom:auto;width:auto;height:1px;background:linear-gradient(90deg,var(--accent),rgba(53,217,255,.06))}
  .tl-node::before{left:0;top:-28px}
}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;gap:22px}
@media(min-width:1024px){.news-grid{grid-template-columns:1.05fr 1fr;gap:36px}}
.news-lead{display:block;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:var(--glass);transition:border-color .2s,transform .2s}
.news-lead:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.news-lead .pic{aspect-ratio:4/3;overflow:hidden}
.news-lead img{width:100%;height:100%;object-fit:cover}
.news-lead .txt{padding:16px 18px 18px}
.news-lead h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:8px}
.news-lead p{font-size:13px;color:var(--muted);margin-bottom:10px}
.news-lead time,.news-item time{font-size:12px;color:var(--dim);font-variant-numeric:tabular-nums}
.news-list{display:grid;gap:8px}
.news-item{display:grid;grid-template-columns:96px 1fr;gap:12px;align-items:center;padding:8px;border-radius:12px;transition:background .2s}
.news-item:hover{background:rgba(255,255,255,.04)}
.news-item img{width:96px;height:64px;object-fit:cover;border-radius:8px}
.news-item b{display:block;font-size:14px;font-weight:600;line-height:1.5;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 保障条 ---------- */
.guard{display:grid;gap:0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.guard li{padding:20px 18px;border-bottom:1px solid var(--line);transition:background .2s}
.guard li:last-child{border-bottom:none}
.guard li:hover{background:rgba(140,185,255,.06)}
.guard b{display:block;font-size:15px;font-weight:700;margin-bottom:6px;transition:color .2s}
.guard li:hover b{color:var(--accent)}
.guard p{font-size:13px;color:var(--muted);line-height:1.75}
@media(min-width:768px){
  .guard{grid-template-columns:repeat(2,1fr)}
  .guard li{border-right:1px solid var(--line)}
  .guard li:nth-child(2n){border-right:none}
  .guard li:nth-last-child(-n+2){border-bottom:none}
}
@media(min-width:1024px){
  .guard{grid-template-columns:repeat(4,1fr)}
  .guard li{border-bottom:none;border-right:1px solid var(--line)}
  .guard li:nth-child(2n){border-right:1px solid var(--line)}
  .guard li:last-child{border-right:none}
}

/* ---------- 快速解答 ---------- */
.quick{display:grid;gap:14px}
@media(min-width:768px){.quick{grid-template-columns:repeat(3,1fr);gap:18px}}
.quick li{padding:18px 18px 18px 20px;border-left:3px solid var(--accent);background:var(--glass);border-radius:0 14px 14px 0;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.quick b{display:block;font-size:16px;font-weight:600;margin-bottom:6px}
.quick p{font-size:13px;color:var(--muted);line-height:1.75}

/* ---------- FAQ ---------- */
.faq{overflow:hidden;padding:0}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 18px;cursor:pointer;list-style:none;
  font-size:15px;font-weight:600;transition:box-shadow .2s,background .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:19px;line-height:1;color:var(--accent);transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--accent);background:rgba(53,217,255,.05)}
.faq-body{padding:0 18px 16px;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 订阅表单 ---------- */
.sub-card{padding:22px;display:grid;gap:26px}
@media(min-width:768px){.sub-card{padding:28px}}
@media(min-width:1024px){.sub-card{grid-template-columns:1fr 1fr;gap:40px;padding:36px}}
.sub-copy h2{font-size:22px;font-weight:700;margin-bottom:12px}
@media(min-width:768px){.sub-copy h2{font-size:26px}}
.sub-copy p{font-size:14px;color:var(--muted);margin-bottom:10px;line-height:1.85}
.sub-copy ul{display:grid;gap:8px;margin-top:16px}
.sub-copy li{display:flex;gap:8px;font-size:13px;color:var(--ink)}
.sub-copy li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);margin-top:9px;flex:none}
.field{display:grid;gap:6px;margin-bottom:14px}
.field label{font-size:12px;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;min-height:44px;padding:10px 12px;border-radius:10px;font-size:14px;
  background:rgba(5,9,15,.65);border:1px solid var(--line);color:var(--ink);
  outline:none;transition:border-color .2s,box-shadow .2s;
}
.field textarea{min-height:88px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(53,217,255,.16);
}
.field input:invalid:not(:placeholder-shown),.field textarea:invalid:not(:placeholder-shown){border-color:rgba(255,77,109,.7)}
.field-row{display:grid;gap:0}
@media(min-width:768px){.field-row{grid-template-columns:1fr 1fr;gap:0 14px}}
::placeholder{color:var(--dim)}
.form-note{font-size:12px;color:var(--dim);margin-top:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:44px 0 22px}
.foot-grid{display:grid;gap:28px}
@media(min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}}
.foot-brand b{display:block;font-size:17px;font-weight:700;margin-bottom:8px}
.foot-brand p{font-size:13px;color:var(--muted);line-height:1.8;max-width:34ch}
.foot-col h3{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:12px;letter-spacing:.04em}
.foot-col li{margin-bottom:8px}
.foot-col a{font-size:13px;color:var(--muted);transition:color .2s}
.foot-col a:hover{color:var(--accent)}
.foot-col p{font-size:13px;color:var(--muted);line-height:1.8}
.foot-bottom{
  margin-top:32px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;
  font-size:12px;color:var(--dim);
}