/* roulang page: index */
:root{
  --ink:#08090d;
  --ink-2:#0c0e14;
  --panel:#12141b;
  --panel-2:#171a23;
  --line:#252a36;
  --crimson:#ff3b5c;
  --crimson-soft:rgba(255,59,92,.14);
  --amber:#ffb703;
  --text:#e9ebf1;
  --muted:#98a0b0;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 44px -24px rgba(0,0,0,.9);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:86px 0;}
.section-alt{background:var(--ink-2);}
.section-line{border-top:1px solid var(--line);}

.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--crimson);
  text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--crimson);border-radius:2px;}
.sec-title{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.sec-desc{color:var(--muted);font-size:15.5px;max-width:760px;}
.section-head-center{text-align:center;max-width:760px;margin:0 auto 52px;}
.section-head-center .sec-desc{margin:0 auto;}
.section-head{max-width:800px;margin-bottom:48px;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,9,13,.88);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;padding:13px 0;}
.logo{font-size:20px;font-weight:800;letter-spacing:.01em;color:#fff;white-space:nowrap;}
.logo em{font-style:normal;color:var(--crimson);}
.nav-search{
  flex:1;display:flex;align-items:center;gap:10px;
  max-width:520px;margin:0 auto;
  background:var(--panel);border:1px solid var(--line);
  border-radius:999px;padding:6px 6px 6px 16px;
  transition:border-color .22s ease, box-shadow .22s ease;
}
.nav-search:focus-within{border-color:rgba(255,59,92,.6);box-shadow:0 0 0 4px rgba(255,59,92,.1);}
.nav-search svg{flex:none;width:17px;height:17px;color:#6b7382;}
.nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14px;}
.nav-search input::placeholder{color:#6b7382;}
.nav-search button{
  flex:none;border:0;border-radius:999px;cursor:pointer;
  background:var(--crimson);color:#fff;font-size:13.5px;font-weight:600;
  padding:9px 18px;transition:filter .2s ease, transform .2s ease;
}
.nav-search button:hover{filter:brightness(1.12);transform:translateY(-1px);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  font-size:14px;color:var(--muted);padding:9px 15px;border-radius:10px;
  white-space:nowrap;transition:color .2s ease, background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:#fff;background:var(--crimson-soft);box-shadow:inset 0 0 0 1px rgba(255,59,92,.35);}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 84px;
  background:
    radial-gradient(1100px 520px at 12% -10%, rgba(255,59,92,.20), transparent 62%),
    radial-gradient(900px 480px at 96% 8%, rgba(255,183,3,.12), transparent 60%),
    linear-gradient(180deg,#0b0d13 0%, #08090d 100%);
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 30% 20%, #000 0%, transparent 78%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,59,92,.12);border:1px solid rgba(255,59,92,.34);
  color:#ffb9c5;font-size:13px;font-weight:600;
  padding:7px 15px;border-radius:999px;margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--crimson);box-shadow:0 0 0 4px rgba(255,59,92,.2);display:inline-block;}
.hero h1{font-size:clamp(29px,4.1vw,47px);line-height:1.22;margin-bottom:18px;}
.hero h1 span{color:var(--crimson);}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:#cdd3df;font-weight:500;margin-bottom:18px;}
.hero-text{color:var(--muted);font-size:15.5px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;padding-top:26px;border-top:1px solid var(--line);}
.stat-num{font-size:25px;font-weight:800;color:#fff;line-height:1.2;}
.stat-num small{font-size:14px;font-weight:600;color:var(--crimson);margin-left:2px;}
.stat-label{font-size:13px;color:var(--muted);}

.hero-posters{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.poster{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:172px;padding:18px;border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,255,255,.09);
  box-shadow:var(--shadow);
  transition:transform .3s ease, border-color .3s ease;
}
.poster:hover{transform:translateY(-5px);border-color:rgba(255,59,92,.5);}
.poster::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 80% 0%, rgba(255,255,255,.12), transparent 60%);
}
.poster-a{background:linear-gradient(155deg,#3d1024 0%, #150a13 55%, #0b0d14 100%);grid-row:span 2;min-height:360px;}
.poster-b{background:linear-gradient(155deg,#16283d 0%, #0d121c 60%, #0b0d14 100%);}
.poster-c{background:linear-gradient(155deg,#3a2a10 0%, #16110a 60%, #0b0d14 100%);}
.poster-inner{position:relative;z-index:2;}
.poster-rank{
  position:absolute;top:16px;left:16px;z-index:3;
  font-size:11.5px;font-weight:700;letter-spacing:.1em;
  background:rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.16);
  color:#ffd6de;padding:4px 10px;border-radius:999px;
}
.poster-tag{font-size:12px;color:#c3cad8;margin-bottom:8px;letter-spacing:.04em;}
.poster-inner h3{font-size:17px;color:#fff;margin-bottom:10px;}
.poster-heat{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  color:var(--amber);background:rgba(255,183,3,.1);
  border:1px solid rgba(255,183,3,.3);padding:3px 10px;border-radius:999px;
}

/* ============ CARDS ============ */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,59,92,.42);box-shadow:var(--shadow);}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--crimson-soft);color:var(--crimson);font-weight:800;font-size:16px;margin-bottom:18px;
  border:1px solid rgba(255,59,92,.28);
}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.5px;}
.card-amber .card-icon{background:rgba(255,183,3,.12);color:var(--amber);border-color:rgba(255,183,3,.3);}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

/* ============ 保障条 ============ */
.assure-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
}
.assure-item{background:var(--panel);padding:26px 24px;}
.assure-item strong{display:block;font-size:16px;color:#fff;margin-bottom:7px;}
.assure-item span{font-size:13.5px;color:var(--muted);}
.assure-item em{font-style:normal;color:var(--crimson);font-weight:700;font-size:13px;letter-spacing:.1em;display:block;margin-bottom:10px;}

/* ============ 场景 ============ */
.scene-row{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
}
.scene{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--panel-2);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:22px;
  transition:border-color .24s ease, background .24s ease;
}
.scene:hover{border-color:rgba(255,59,92,.45);background:#1a1e28;}
.scene-mark{
  flex:none;width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:var(--ink);background:var(--amber);
}
.scene h3{font-size:16px;margin-bottom:7px;}
.scene p{font-size:14px;color:var(--muted);}

/* ============ 预览舞台 ============ */
.stage{
  display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
}
.preview-stage{
  background:linear-gradient(180deg,#141821,#0d1016);
  border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);
}
.preview-chrome{
  display:flex;align-items:center;gap:8px;
  padding:13px 18px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.025);
}
.dot{width:10px;height:10px;border-radius:50%;background:#3a4152;}
.dot.d1{background:#ff5f57;}
.dot.d2{background:#ffbd2e;}
.dot.d3{background:#28c840;}
.preview-url{
  margin-left:12px;font-size:12.5px;color:#7f8798;
  background:rgba(255,255,255,.04);padding:3px 12px;border-radius:999px;
}
.preview-body{padding:22px;}
.preview-searchbar{
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:10px;padding:10px 14px;margin-bottom:18px;
}
.preview-searchbar span{font-size:13px;color:#6f7788;}
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.preview-tile{
  border-radius:12px;min-height:88px;padding:12px;
  border:1px solid rgba(255,255,255,.07);
  display:flex;flex-direction:column;justify-content:space-between;
  background:linear-gradient(150deg,#242a38,#141821);
}
.preview-tile b{font-size:12.5px;color:#dfe3ec;font-weight:600;}
.preview-tile i{font-style:normal;font-size:11px;color:#8b93a4;}
.preview-tile.t2{background:linear-gradient(150deg,#33182a,#141821);}
.preview-tile.t3{background:linear-gradient(150deg,#2c2514,#141821);}
.preview-list{display:grid;gap:14px;}
.preview-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding-bottom:14px;border-bottom:1px dashed var(--line);
}
.preview-list li:last-child{border-bottom:0;padding-bottom:0;}
.preview-list b{display:block;font-size:15px;color:#fff;margin-bottom:5px;}
.preview-list span{font-size:13.5px;color:var(--muted);}
.preview-idx{
  flex:none;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--crimson);
  background:var(--crimson-soft);border:1px solid rgba(255,59,92,.3);
}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-step{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px;
  transition:transform .26s ease, border-color .26s ease;
}
.flow-step:hover{transform:translateY(-5px);border-color:rgba(255,183,3,.45);}
.flow-num{
  font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--amber);
  display:block;margin-bottom:16px;
}
.flow-step h3{font-size:16.5px;margin-bottom:10px;}
.flow-step p{font-size:14px;color:var(--muted);}

/* ============ 案例 ============ */
.case-card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;display:flex;flex-direction:column;gap:16px;
  transition:border-color .25s ease, transform .25s ease;
}
.case-card:hover{border-color:rgba(255,59,92,.45);transform:translateY(-4px);}
.case-top{display:flex;align-items:center;gap:13px;}
.case-avatar{
  width:44px;height:44px;border-radius:12px;flex:none;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#fff;
  background:linear-gradient(140deg,#ff3b5c,#7a1b33);
}
.case-top b{display:block;font-size:15.5px;color:#fff;}
.case-top span{font-size:12.5px;color:var(--muted);}
.case-card p{font-size:14.5px;color:#b9c0cf;}
.case-metrics{display:flex;gap:22px;padding-top:14px;border-top:1px solid var(--line);}
.case-metrics div b{display:block;font-size:17px;color:var(--amber);}
.case-metrics div span{font-size:12.5px;color:var(--muted);}

/* ============ 权益表 ============ */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);}
table.benefit{width:100%;border-collapse:collapse;min-width:720px;}
table.benefit th,table.benefit td{
  padding:17px 22px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--line);
}
table.benefit thead th{
  background:rgba(255,255,255,.03);font-size:13.5px;letter-spacing:.05em;
  color:#cfd5e2;font-weight:600;white-space:nowrap;
}
table.benefit thead th.hl{color:#fff;background:rgba(255,59,92,.13);}
table.benefit tbody tr:hover{background:rgba(255,255,255,.02);}
table.benefit td:first-child{color:#c9cfdd;font-weight:500;}
table.benefit td.hl{color:#fff;font-weight:600;background:rgba(255,59,92,.055);}
table.benefit tr:last-child td{border-bottom:0;}
.tick{color:var(--crimson);font-weight:700;}
.dash{color:#5b6272;}

/* ============ 等级卡 ============ */
.tier{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px 26px;
  display:flex;flex-direction:column;gap:18px;
  transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.tier:hover{transform:translateY(-6px);border-color:rgba(255,59,92,.45);box-shadow:var(--shadow);}
.tier.featured{
  border-color:rgba(255,183,3,.55);
  background:linear-gradient(180deg,#1c1710 0%, #12141b 55%);
}
.tier-flag{
  position:absolute;top:-13px;left:26px;
  background:var(--amber);color:#221a00;font-size:12px;font-weight:800;
  padding:4px 13px;border-radius:999px;letter-spacing:.04em;
}
.tier h3{font-size:19px;}
.tier .price{font-size:34px;font-weight:800;color:#fff;line-height:1.1;}
.tier .price small{font-size:14px;font-weight:500;color:var(--muted);margin-left:6px;}
.tier ul{display:grid;gap:11px;}
.tier ul li{font-size:14.5px;color:#b8bfce;padding-left:22px;position:relative;}
.tier ul li::before{
  content:"";position:absolute;left:0;top:10px;width:9px;height:9px;border-radius:3px;
  background:var(--crimson);opacity:.85;
}
.tier .btn{width:100%;}

/* ============ 评价墙 ============ */
.quote{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:24px;display:flex;flex-direction:column;gap:16px;
  transition:border-color .24s ease, transform .24s ease;
}
.quote:hover{border-color:rgba(255,183,3,.4);transform:translateY(-4px);}
.quote p{font-size:14.5px;color:#c2c8d6;}
.quote-who{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.quote-who .av{
  width:36px;height:36px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,59,92,.16);color:#ff8ea1;font-weight:700;font-size:13px;
  border:1px solid rgba(255,59,92,.3);
}
.quote-who b{font-size:13.5px;color:#e8ebf2;display:block;}
.quote-who span{font-size:12px;color:var(--muted);}
.stars{color:var(--amber);font-size:13px;letter-spacing:2px;}

/* ============ 口碑数据 ============ */
.reputation{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  background:linear-gradient(135deg,#151824 0%, #10131a 100%);
  border:1px solid var(--line);border-radius:var(--radius);padding:40px 34px;
}
.reputation div{text-align:center;}
.reputation b{display:block;font-size:32px;font-weight:800;color:#fff;line-height:1.2;}
.reputation b em{font-style:normal;font-size:16px;color:var(--crimson);margin-left:2px;}
.reputation span{font-size:13.5px;color:var(--muted);}

/* ============ 资讯 ============ */
.news-list{display:grid;gap:0;border-top:1px solid var(--line);}
.news-item{
  display:grid;grid-template-columns:112px 1fr 130px;gap:24px;align-items:center;
  padding:24px 6px;border-bottom:1px solid var(--line);
  transition:background .22s ease, padding-left .22s ease;
}
.news-item:hover{background:rgba(255,255,255,.025);padding-left:16px;}
.news-date{font-size:13px;color:#7c8494;letter-spacing:.04em;}
.news-item h3{font-size:16.5px;margin-bottom:6px;}
.news-item p{font-size:14px;color:var(--muted);}
.news-tag{
  justify-self:end;font-size:12.5px;color:var(--crimson);
  background:var(--crimson-soft);border:1px solid rgba(255,59,92,.3);
  padding:4px 13px;border-radius:999px;white-space:nowrap;
}

/* ============ 分类入口墙 ============ */
.cat-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cat-card{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#181c26 0%, #101319 100%);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;display:flex;flex-direction:column;gap:14px;min-height:210px;
  transition:transform .26s ease, border-color .26s ease;
}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(255,59,92,.5);}
.cat-card::after{
  content:"";position:absolute;right:-40px;bottom:-50px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle, rgba(255,59,92,.22), transparent 70%);
}
.cat-card h3{font-size:19px;position:relative;z-index:2;}
.cat-card p{font-size:14.5px;color:var(--muted);position:relative;z-index:2;flex:1;}
.cat-more{
  position:relative;z-index:2;font-size:14px;font-weight:600;color:var(--crimson);
  display:inline-flex;align-items:center;gap:7px;
}
.cat-card:hover .cat-more{gap:12px;}

/* ============ 表单 ============ */
.join{
  background:
    radial-gradient(800px 400px at 15% 0%, rgba(255,59,92,.16), transparent 62%),
    linear-gradient(180deg,#0f1118,#0a0c11);
  border-top:1px solid var(--line);
}
.join-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:start;}
.join-form{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:#c3c9d6;margin-bottom:8px;font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;background:#0d1016;border:1px solid var(--line);
  border-radius:11px;padding:12px 15px;font-size:14.5px;outline:none;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#616a7b;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(255,59,92,.65);box-shadow:0 0 0 4px rgba(255,59,92,.1);
}
.field textarea{resize:vertical;min-height:104px;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#7c8494 50%),linear-gradient(135deg,#7c8494 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-note{font-size:12.5px;color:#6c7484;margin-top:14px;line-height:1.7;}
.join-points{display:grid;gap:18px;margin-top:32px;}
.join-points li{display:flex;gap:13px;align-items:flex-start;font-size:14.5px;color:#b7bece;}
.join-points li i{
  flex:none;width:22px;height:22px;border-radius:7px;margin-top:4px;
  background:var(--crimson-soft);border:1px solid rgba(255,59,92,.32);
  display:flex;align-items:center;justify-content:center;
  color:var(--crimson);font-size:11px;font-style:normal;font-weight:800;
}

/* ============ FOOTER ============ */
.site-footer{background:#06070a;border-top:1px solid var(--line);padding:60px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px;}
.footer-brand h3{font-size:19px;color:#fff;margin-bottom:14px;}
.footer-brand h3 em{font-style:normal;color:var(--crimson);}
.footer-brand p{font-size:14px;color:#7d8494;max-width:330px;}
.footer-col h4{font-size:14px;color:#dfe3ec;margin-bottom:16px;letter-spacing:.03em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#818998;transition:color .2s ease;}
.footer-col a:hover{color:var(--crimson);}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:24px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#6b7382;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-inner{flex-wrap:wrap;row-gap:12px;}
  .logo{order:1;}
  .nav-links{order:2;margin-left:auto;}
  .nav-search{order:3;flex-basis:100%;max-width:none;margin:0;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .assure-strip{grid-template-columns:repeat(2,1fr);}
  .stage{grid-template-columns:1fr;gap:34px;}
  .join-grid{grid-template-columns:1fr;gap:40px;}
  .reputation{grid-template-columns:repeat(2,1fr);gap:30px;}
  .cat-wall{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .section{padding:64px 0;}
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .scene-row{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;gap:10px;padding:22px 6px;}
  .news-tag{justify-self:start;}
}
@media (max-width:560px){
  .nav-links{order:3;width:100%;margin-left:0;overflow-x:auto;padding-bottom:3px;}
  .nav-search{order:2;}
  .hero{padding:52px 0 64px;}
  .hero-posters{grid-template-columns:1fr;}
  .poster-a{grid-row:auto;min-height:220px;}
  .hero-stats{gap:24px;}
  .stat-num{font-size:22px;}
  .assure-strip{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .reputation{grid-template-columns:1fr;padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .card,.tier,.join-form{padding:22px;}
  .preview-grid{grid-template-columns:1fr 1fr;}
}

/* roulang page: category3 */
:root{
 --ink:#08090d;
 --ink-2:#0c0e14;
 --panel:#12141b;
 --panel-2:#171a23;
 --line:#252a36;
 --crimson:#ff3b5c;
 --crimson-soft:rgba(255,59,92,.14);
 --amber:#ffb703;
 --text:#e9ebf1;
 --muted:#98a0b0;
 --radius:18px;
 --radius-sm:12px;
 --shadow:0 20px 44px -24px rgba(0,0,0,.9);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--ink);
 color:var(--text);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
 line-height:1.8;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:rgba(255,59,92,.35);color:#fff;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 22px;}

/* ============ HEADER ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(8,9,13,.88);
 backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;padding:13px 0;}
.logo{font-size:20px;font-weight:800;letter-spacing:.01em;color:#fff;white-space:nowrap;}
.logo em{font-style:normal;color:var(--crimson);}
.nav-search{
 flex:1;display:flex;align-items:center;gap:10px;
 max-width:520px;margin:0 auto;
 background:var(--panel);border:1px solid var(--line);
 border-radius:999px;padding:6px 6px 6px 16px;
 transition:border-color .22s ease, box-shadow .22s ease;
}
.nav-search:focus-within{border-color:rgba(255,59,92,.6);box-shadow:0 0 0 4px rgba(255,59,92,.1);}
.nav-search svg{flex:none;width:17px;height:17px;color:#6b7382;}
.nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14px;}
.nav-search input::placeholder{color:#6b7382;}
.nav-search button{
 flex:none;border:0;border-radius:999px;cursor:pointer;
 background:var(--crimson);color:#fff;font-size:13.5px;font-weight:600;
 padding:9px 18px;transition:filter .2s ease, transform .2s ease;
}
.nav-search button:hover{filter:brightness(1.12);transform:translateY(-1px);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
 font-size:14px;color:var(--muted);padding:9px 15px;border-radius:10px;
 white-space:nowrap;transition:color .2s ease, background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:#fff;background:var(--crimson-soft);box-shadow:inset 0 0 0 1px rgba(255,59,92,.35);}

/* ============ HERO ============ */
.page-hero{
 position:relative;overflow:hidden;
 padding:70px 0 78px;
 background:
 radial-gradient(1100px 520px at 10% -12%, rgba(255,59,92,.20), transparent 62%),
 radial-gradient(900px 470px at 96% 6%, rgba(255,183,3,.11), transparent 60%),
 linear-gradient(180deg,#0b0d13 0%, #08090d 100%);
 border-bottom:1px solid var(--line);
}
.page-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
 linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
 background-size:56px 56px;
 mask-image:radial-gradient(circle at 28% 18%, #000 0%, transparent 78%);
 -webkit-mask-image:radial-gradient(circle at 28% 18%, #000 0%, transparent 78%);
}
.hero-grid{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;
 background:rgba(255,59,92,.12);border:1px solid rgba(255,59,92,.34);
 color:#ffb9c5;font-size:13px;font-weight:600;
 padding:7px 15px;border-radius:999px;margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--crimson);box-shadow:0 0 0 4px rgba(255,59,92,.2);display:inline-block;}
.page-hero h1{font-size:clamp(28px,3.9vw,44px);line-height:1.24;margin-bottom:16px;letter-spacing:-.01em;}
.page-hero h1 span{color:var(--crimson);}
.hero-sub{font-size:clamp(16px,1.6vw,18.5px);color:#cdd3df;font-weight:500;margin-bottom:16px;}
.hero-text{color:var(--muted);font-size:15.5px;margin-bottom:28px;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;padding-top:26px;border-top:1px solid var(--line);}
.stat-item strong{display:block;font-size:22px;line-height:1.35;color:#fff;}
.stat-item span{font-size:13px;color:var(--muted);}

/* ============ BUTTONS ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:12px;padding:13px 24px;font-size:14.5px;font-weight:600;
 cursor:pointer;border:1px solid transparent;
 transition:transform .22s ease, filter .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
}
.btn:focus-visible{outline:2px solid var(--amber);outline-offset:3px;}
.btn-primary{background:var(--crimson);color:#fff;box-shadow:0 16px 32px -18px rgba(255,59,92,.95);}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:rgba(255,59,92,.5);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px;}
.btn-block{width:100%;}

/* ============ TAGS ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
 display:inline-flex;align-items:center;
 border-radius:999px;border:1px solid var(--line);
 padding:4px 12px;font-size:12px;color:var(--muted);
 background:rgba(255,255,255,.03);
}
.tag-hot{color:#ffb9c5;border-color:rgba(255,59,92,.4);background:var(--crimson-soft);}
.tag-amber{color:#ffd479;border-color:rgba(255,183,3,.38);background:rgba(255,183,3,.1);}
.tag-live{color:#8ef0c0;border-color:rgba(50,220,150,.34);background:rgba(50,220,150,.1);}

/* ============ SELECTED CARD ============ */
.pick-card{
 background:linear-gradient(160deg,#2b1020 0%, #14161f 56%, #0d1016 100%);
 border:1px solid rgba(255,59,92,.28);
 border-radius:22px;padding:28px;box-shadow:var(--shadow);
}
.pick-cover{
 position:relative;overflow:hidden;
 height:168px;border-radius:16px;
 background:linear-gradient(140deg,#3a1224 0%, #1c1122 58%, #0e1119 100%);
 border:1px solid var(--line);
 display:flex;align-items:flex-end;padding:16px;margin-bottom:22px;
}
.pick-cover::after{
 content:"";position:absolute;inset:0;
 background-image:linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
 linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
 background-size:34px 34px;
}
.pick-cover .tag-row{position:relative;z-index:2;}
.pick-card h3{font-size:19px;margin-bottom:10px;}
.pick-card p{color:var(--muted);font-size:14.5px;margin-bottom:16px;}
.pick-meta{display:flex;flex-wrap:wrap;gap:18px;padding:16px 0;margin:6px 0 18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.pick-meta div{font-size:13px;color:var(--muted);}
.pick-meta strong{display:block;color:#fff;font-size:15px;}
.pick-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.pick-note{font-size:12.5px;color:#6f7788;}

/* ============ SECTION ============ */
.section{padding:86px 0;}
.section-alt{background:var(--ink-2);}
.section-line{border-top:1px solid var(--line);}
.section-head{max-width:820px;margin-bottom:46px;}
.section-head-center{text-align:center;max-width:780px;margin:0 auto 52px;}
.sec-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.16em;
 color:var(--crimson);margin-bottom:14px;
}
.sec-title{font-size:clamp(23px,2.9vw,33px);line-height:1.32;margin-bottom:14px;}
.sec-desc{color:var(--muted);font-size:15.5px;}

/* ============ GRID ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

.card{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,59,92,.42);box-shadow:var(--shadow);}
.card-icon{
 width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
 background:var(--crimson-soft);color:var(--crimson);font-weight:800;font-size:15px;margin-bottom:18px;
 border:1px solid rgba(255,59,92,.28);
}
.card-amber .card-icon{background:rgba(255,183,3,.12);color:var(--amber);border-color:rgba(255,183,3,.3);}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.5px;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.card-foot span{font-size:12.5px;color:#6f7788;}

/* ============ 本周主推 ============ */
.stage{display:grid;grid-template-columns:1.35fr .65fr;gap:30px;align-items:start;}
.rail-list{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:6px 22px;}
.rail-item{display:flex;justify-content:space-between;gap:16px;padding:20px 0;border-bottom:1px dashed var(--line);}
.rail-item:last-child{border-bottom:0;}
.rail-item h4{font-size:15.5px;margin-bottom:6px;}
.rail-item span{font-size:12.5px;color:var(--muted);}
.rail-meta{text-align:right;font-size:12.5px;color:var(--muted);white-space:nowrap;}
.rail-meta strong{display:block;color:#fff;font-size:14px;}

/* ============ 时间线 ============ */
.tl{border-top:1px solid var(--line);}
.tl-item{display:grid;grid-template-columns:150px 1fr auto;gap:22px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line);}
.tl-day{font-size:15.5px;font-weight:700;color:#fff;}
.tl-body p{color:var(--muted);font-size:14.5px;}

/* ============ 规格列表 ============ */
.spec-list{margin-top:6px;}
.spec-list li{display:flex;gap:14px;padding:15px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:#c4cbd8;}
.spec-list li:last-child{border-bottom:0;}
.spec-list b{color:var(--crimson);flex:none;font-size:13px;letter-spacing:.08em;padding-top:3px;}

/* ============ 会员档位 ============ */
.price-card{
 position:relative;background:var(--panel);border:1px solid var(--line);
 border-radius:20px;padding:30px 26px;display:flex;flex-direction:column;
 transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.price-card:hover{transform:translateY(-5px);border-color:rgba(255,59,92,.42);box-shadow:var(--shadow);}
.price-card.is-featured{border-color:rgba(255,59,92,.55);background:linear-gradient(180deg,#1a1018 0%, #12141b 60%);}
.price-flag{
 position:absolute;top:-12px;left:26px;
 background:var(--crimson);color:#fff;font-size:12px;font-weight:700;
 padding:4px 12px;border-radius:999px;letter-spacing:.06em;
}
.price-name{font-size:16.5px;color:#fff;font-weight:700;margin-bottom:6px;}
.price-num{font-size:34px;font-weight:800;color:#fff;line-height:1.2;margin:12px 0 4px;}
.price-num small{font-size:14px;font-weight:500;color:var(--muted);margin-left:4px;}
.price-desc{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.price-feat{flex:1;margin-bottom:24px;}
.price-feat li{font-size:14px;color:#c4cbd8;padding:9px 0 9px 22px;position:relative;}
.price-feat li::before{
 content:"";position:absolute;left:0;top:17px;width:8px;height:8px;border-radius:2px;
 background:var(--crimson);opacity:.85;
}

/* ============ 口碑 ============ */
.quote-card{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;display:flex;flex-direction:column;gap:16px;
 transition:transform .26s ease, border-color .26s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(255,183,3,.4);}
.quote-mark{font-size:30px;line-height:1;color:var(--amber);font-weight:800;}
.quote-card p{font-size:14.5px;color:#ccd3df;}
.quote-who{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.avatar{
 width:38px;height:38px;border-radius:50%;flex:none;
 background:linear-gradient(140deg,#ff3b5c,#8a1f36);
 display:flex;align-items:center;justify-content:center;
 font-size:14px;font-weight:700;color:#fff;
}
.quote-who strong{display:block;font-size:14px;color:#fff;}
.quote-who span{font-size:12.5px;color:var(--muted);}

/* ============ 日志 ============ */
.log-item{display:grid;grid-template-columns:112px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);}
.log-item:first-child{border-top:1px solid var(--line);}
.log-item h4{font-size:15.5px;margin-bottom:6px;}
.log-item p{font-size:13.5px;color:var(--muted);}
.log-item time{font-size:12.5px;color:#6f7788;white-space:nowrap;}

/* ============ CTA ============ */
.cta-band{
 display:flex;align-items:center;justify-content:space-between;gap:36px;
 background:linear-gradient(120deg,#1d0d16 0%, #101319 60%, #0b0e14 100%);
 border:1px solid rgba(255,59,92,.3);
 border-radius:24px;padding:46px;
}
.cta-band h2{font-size:clamp(21px,2.5vw,28px);line-height:1.34;margin-bottom:12px;}
.cta-band p{color:var(--muted);font-size:14.5px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none;}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink-2);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid var(--line);}
.footer-brand h3{font-size:19px;font-weight:800;margin-bottom:12px;color:#fff;}
.footer-brand h3 em{font-style:normal;color:var(--crimson);}
.footer-brand p{color:var(--muted);font-size:14px;max-width:340px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:14px;transition:color .2s ease;}
.footer-col a:hover{color:var(--crimson);}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;font-size:13px;color:#6f7788;}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:40px;}
 .stage{grid-template-columns:1fr;}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .cta-band{flex-direction:column;align-items:flex-start;padding:38px;}
 .nav-inner{flex-wrap:wrap;row-gap:12px;}
 .nav-search{order:3;flex:1 1 100%;max-width:none;margin:0;}
 .nav-links{margin-left:auto;}
}
@media (max-width:768px){
 .section{padding:62px 0;}
 .page-hero{padding:52px 0 60px;}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
 .tl-item{grid-template-columns:1fr;gap:8px;}
 .log-item{grid-template-columns:1fr;gap:8px;}
 .nav-links{width:100%;margin-left:0;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
 .nav-links::-webkit-scrollbar{display:none;}
 .nav-link{flex:none;}
 .hero-stats{gap:24px;}
 .pick-card{padding:22px;}
}
@media (max-width:520px){
 .wrap{padding:0 16px;}
 .page-hero h1{font-size:25px;}
 .sec-title{font-size:22px;}
 .hero-actions .btn,.cta-actions .btn{width:100%;}
 .price-num{font-size:28px;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .footer-bottom{flex-direction:column;gap:6px;}
 .nav-search{padding-left:14px;}
 .nav-search button{padding:8px 14px;}
}

/* roulang page: category2 */
:root{
  --ink:#08090d;
  --ink-2:#0c0e14;
  --panel:#12141b;
  --panel-2:#171a23;
  --line:#252a36;
  --crimson:#ff3b5c;
  --crimson-soft:rgba(255,59,92,.14);
  --amber:#ffb703;
  --text:#e9ebf1;
  --muted:#98a0b0;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 44px -24px rgba(0,0,0,.9);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul{margin:0;}
ul{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--crimson);outline-offset:3px;}
.wrap{width:min(1180px,92vw);margin:0 auto;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,9,13,.88);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;padding:13px 0;}
.logo{font-size:20px;font-weight:800;letter-spacing:.01em;color:#fff;white-space:nowrap;}
.logo em{font-style:normal;color:var(--crimson);}
.nav-search{
  flex:1;display:flex;align-items:center;gap:10px;max-width:520px;margin:0 auto;
  background:var(--panel);border:1px solid var(--line);border-radius:999px;
  padding:6px 6px 6px 16px;transition:border-color .22s ease, box-shadow .22s ease;
}
.nav-search:focus-within{border-color:rgba(255,59,92,.6);box-shadow:0 0 0 4px rgba(255,59,92,.1);}
.nav-search svg{flex:none;width:17px;height:17px;color:#6b7382;}
.nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14px;}
.nav-search input::placeholder{color:#6b7382;}
.nav-search button{
  flex:none;border:0;border-radius:999px;cursor:pointer;background:var(--crimson);
  color:#fff;font-size:13.5px;font-weight:600;padding:9px 18px;
  transition:filter .2s ease, transform .2s ease;
}
.nav-search button:hover{filter:brightness(1.12);transform:translateY(-1px);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  font-size:14px;color:var(--muted);padding:9px 15px;border-radius:10px;white-space:nowrap;
  transition:color .2s ease, background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:#fff;background:var(--crimson-soft);box-shadow:inset 0 0 0 1px rgba(255,59,92,.35);}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section-alt{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:820px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--crimson);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--crimson);opacity:.7;}
.sec-title{font-size:clamp(23px,2.9vw,33px);line-height:1.32;font-weight:700;margin-bottom:14px;}
.sec-desc{color:var(--muted);font-size:15.5px;max-width:760px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--muted);white-space:nowrap;
}
.badge-live{color:#ffb9c5;border-color:rgba(255,59,92,.4);background:rgba(255,59,92,.12);}
.badge-amber{color:#ffd77a;border-color:rgba(255,183,3,.32);background:rgba(255,183,3,.1);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14.5px;font-weight:600;padding:12px 24px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
}
.btn-primary{background:var(--crimson);color:#fff;box-shadow:0 14px 30px -16px rgba(255,59,92,.9);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.1);}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:rgba(255,59,92,.5);color:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}

/* ---------- 首屏 ---------- */
.cat-hero{
  position:relative;overflow:hidden;padding:34px 0 0;
  background:
    radial-gradient(880px 420px at 84% -8%, rgba(255,59,92,.20), transparent 62%),
    radial-gradient(680px 360px at 4% 26%, rgba(255,183,3,.10), transparent 64%),
    linear-gradient(180deg,#0b0d13 0%, #08090d 100%);
  border-bottom:1px solid var(--line);
}
.hero-glow{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
  background-size:58px 58px;
  mask-image:radial-gradient(circle at 26% 18%, #000 0%, transparent 76%);
}
.breadcrumb{
  position:relative;z-index:2;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);padding:18px 0 26px;
}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:#fff;}
.crumb-now{color:#c9cfdb;}
.hero-main{
  position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:start;
  padding-bottom:56px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,59,92,.12);border:1px solid rgba(255,59,92,.34);
  color:#ffb9c5;font-size:13px;font-weight:600;padding:7px 15px;border-radius:999px;margin-bottom:20px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--crimson);box-shadow:0 0 0 4px rgba(255,59,92,.2);display:inline-block;}
.hero-copy h1{font-size:clamp(26px,3.7vw,43px);line-height:1.26;font-weight:700;margin-bottom:16px;}
.hero-copy h1 b{color:var(--crimson);font-weight:700;}
.hero-sub{font-size:clamp(15px,1.5vw,18px);color:#cdd3df;font-weight:500;margin-bottom:16px;}
.hero-text{color:var(--muted);font-size:15.5px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.lang-chips{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:24px;border-top:1px solid var(--line);}
.chips-label{font-size:12.5px;letter-spacing:.1em;color:#6f7788;margin-right:2px;}
.chip{
  font-size:13px;color:#c3cad8;padding:7px 15px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:border-color .2s ease, color .2s ease, background .2s ease, transform .2s ease;
}
.chip:hover{color:#fff;border-color:rgba(255,59,92,.5);transform:translateY(-1px);}
.chip.is-on{color:#fff;background:var(--crimson-soft);border-color:rgba(255,59,92,.45);}

/* ---------- 规格面板 ---------- */
.spec-panel{
  background:linear-gradient(180deg,#151922 0%, #101319 100%);
  border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow);
}
.spec-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.spec-head h3{font-size:16.5px;font-weight:700;}
.spec-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px dashed rgba(37,42,54,.9);font-size:14.5px;
}
.spec-list li:last-child{border-bottom:0;}
.spec-list span{color:var(--muted);}
.spec-list strong{color:#fff;font-weight:700;}
.spec-meter{margin-top:20px;}
.meter-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px;}
.meter-row em{font-style:normal;color:var(--amber);font-weight:700;}
.meter{height:6px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--crimson),var(--amber));}

/* ---------- 数据条 ---------- */
.stat-strip{
  position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
}
.stat-item{padding:26px 22px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{display:block;font-size:clamp(21px,2.4vw,27px);font-weight:800;color:#fff;line-height:1.3;}
.stat-num em{font-style:normal;color:var(--crimson);}
.stat-label{font-size:13.5px;color:var(--muted);}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,59,92,.42);box-shadow:var(--shadow);}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--crimson-soft);color:var(--crimson);font-weight:800;font-size:15px;margin-bottom:18px;
  border:1px solid rgba(255,59,92,.28);
}
.card h3{font-size:17.5px;font-weight:700;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.5px;}
.card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.card-amber .card-icon{background:rgba(255,183,3,.12);color:var(--amber);border-color:rgba(255,183,3,.3);}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.flow-step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:24px 20px;position:relative;transition:border-color .24s ease, transform .24s ease;
}
.flow-step:hover{border-color:rgba(255,183,3,.45);transform:translateY(-4px);}
.flow-num{
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--crimson);margin-bottom:12px;display:block;
}
.flow-step h3{font-size:15.5px;font-weight:700;margin-bottom:8px;}
.flow-step p{font-size:13.5px;color:var(--muted);}
.flow-note{
  margin-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  border-top:1px solid var(--line);padding-top:26px;
}
.flow-note div strong{display:block;font-size:15px;color:#fff;margin-bottom:6px;}
.flow-note div span{font-size:13.5px;color:var(--muted);}

/* ---------- 场景 ---------- */
.scene-card{
  background:linear-gradient(160deg,#15181f 0%, #10131a 100%);
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:transform .26s ease, border-color .26s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(255,59,92,.4);}
.scene-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--amber);
  margin-bottom:12px;
}
.scene-card h3{font-size:16.5px;font-weight:700;margin-bottom:10px;}
.scene-card p{font-size:14px;color:var(--muted);}

/* ---------- 演示 ---------- */
.demo{display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:start;}
.demo-frame{
  background:linear-gradient(180deg,#141821,#0d1016);border:1px solid var(--line);
  border-radius:20px;overflow:hidden;box-shadow:var(--shadow);
}
.demo-bar{
  display:flex;align-items:center;gap:8px;padding:12px 16px;
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.02);
}
.dot{width:9px;height:9px;border-radius:50%;background:#2c3241;display:inline-block;}
.demo-file{margin-left:auto;font-size:12.5px;color:#6f7788;}
.demo-screen{
  position:relative;min-height:290px;padding:22px;
  background:
    radial-gradient(520px 260px at 20% 10%, rgba(255,59,92,.22), transparent 62%),
    linear-gradient(150deg,#22131c 0%, #12151d 58%, #0b0d14 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
}
.demo-timecode{
  position:absolute;top:18px;right:20px;font-size:12px;color:#8d95a6;letter-spacing:.06em;
  background:rgba(0,0,0,.4);padding:4px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.08);
}
.demo-caption{padding-bottom:16px;}
.cap-jp{font-size:14.5px;color:#c9cfdb;margin-bottom:8px;letter-spacing:.02em;}
.cap-cn{
  display:inline-block;font-size:17px;font-weight:700;color:#fff;padding:6px 12px;border-radius:8px;
  background:rgba(0,0,0,.55);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.demo-timeline{height:5px;border-radius:999px;background:rgba(255,255,255,.09);overflow:hidden;}
.demo-timeline span{display:block;height:100%;background:linear-gradient(90deg,var(--crimson),var(--amber));}
.rule-list li{
  padding:16px 0;border-bottom:1px solid var(--line);
}
.rule-list li:last-child{border-bottom:0;}
.rule-key{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;}
.rule-key strong{font-size:15px;color:#fff;}
.rule-key em{font-style:normal;font-size:13px;color:var(--amber);font-weight:700;}
.rule-list p{font-size:13.5px;color:var(--muted);}

/* ---------- 案例 ---------- */
.case-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.case-card:hover{transform:translateY(-5px);border-color:rgba(255,59,92,.42);box-shadow:var(--shadow);}
.case-thumb{
  height:132px;background:linear-gradient(150deg,#2b1220 0%, #171a23 62%, #0d1016 100%);
  display:flex;align-items:flex-end;padding:16px;
}
.case-thumb span{font-size:12.5px;color:#cdd3df;background:rgba(0,0,0,.42);padding:4px 10px;border-radius:999px;}
.case-body{padding:24px;}
.case-body h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.case-body p{font-size:14px;color:var(--muted);margin-bottom:16px;}
.case-tag{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 会员档位 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.price-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;display:flex;flex-direction:column;
  transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.price-card:hover{transform:translateY(-5px);border-color:rgba(255,59,92,.4);}
.price-card.is-featured{
  background:linear-gradient(180deg,#1a1220 0%, #12141b 62%);
  border-color:rgba(255,59,92,.5);box-shadow:0 26px 56px -30px rgba(255,59,92,.75);
}
.price-tag{font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--muted);margin-bottom:14px;}
.price-card.is-featured .price-tag{color:#ffb9c5;}
.price-num{font-size:36px;font-weight:800;color:#fff;line-height:1.15;margin-bottom:8px;}
.price-num em{font-style:normal;font-size:18px;color:var(--crimson);margin-right:2px;}
.price-num span{font-size:14px;font-weight:500;color:var(--muted);margin-left:6px;}
.price-desc{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.price-list{margin-bottom:26px;}
.price-list li{
  font-size:14px;color:#c9cfdb;padding:9px 0 9px 22px;position:relative;border-bottom:1px dashed rgba(37,42,54,.85);
}
.price-list li:last-child{border-bottom:0;}
.price-list li::before{
  content:"";position:absolute;left:0;top:18px;width:8px;height:8px;border-radius:50%;
  background:var(--crimson);box-shadow:0 0 0 3px rgba(255,59,92,.16);
}
.price-card .btn{margin-top:auto;width:100%;}

/* ---------- 口碑 ---------- */
.voice-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:border-color .24s ease, transform .24s ease;
}
.voice-card:hover{border-color:rgba(255,183,3,.4);transform:translateY(-4px);}
.stars{color:var(--amber);font-size:13px;letter-spacing:.16em;margin-bottom:12px;}
.voice-text{font-size:14.5px;color:#cdd3df;margin-bottom:18px;}
.voice-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);padding-top:16px;border-top:1px solid var(--line);}
.voice-avatar{
  width:34px;height:34px;border-radius:50%;flex:none;
  background:linear-gradient(140deg,var(--crimson),#7a2338);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:#fff;font-weight:700;
}

/* ---------- 资讯列表 ---------- */
.news-list{border-top:1px solid var(--line);}
.news-item{
  display:grid;grid-template-columns:132px 1fr auto;gap:22px;align-items:center;
  padding:22px 6px;border-bottom:1px solid var(--line);transition:background .22s ease, padding-left .22s ease;
}
.news-item:hover{background:rgba(255,255,255,.025);padding-left:14px;}
.news-date{font-size:13px;color:var(--muted);letter-spacing:.04em;}
.news-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:4px;}
.news-sub{font-size:13.5px;color:var(--muted);}
.news-tag{font-size:12px;color:#ffb9c5;background:rgba(255,59,92,.12);border:1px solid rgba(255,59,92,.34);padding:4px 11px;border-radius:999px;white-space:nowrap;}

/* ---------- 收口 ---------- */
.cta-band{
  background:
    radial-gradient(680px 320px at 12% 0%, rgba(255,59,92,.24), transparent 62%),
    linear-gradient(180deg,#12141b 0%, #0b0d13 100%);
  border:1px solid var(--line);border-radius:22px;padding:44px 38px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(21px,2.6vw,29px);font-weight:700;margin-bottom:14px;line-height:1.34;}
.cta-band p{font-size:15px;color:var(--muted);margin-bottom:24px;}
.cta-points li{
  font-size:14px;color:#c9cfdb;padding:10px 0 10px 24px;position:relative;border-bottom:1px dashed rgba(37,42,54,.9);
}
.cta-points li:last-child{border-bottom:0;}
.cta-points li::before{
  content:"";position:absolute;left:0;top:19px;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,var(--crimson),var(--amber));
}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:#07080b;padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.footer-brand h3{font-size:19px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand h3 em{font-style:normal;color:var(--crimson);}
.footer-brand p{font-size:14px;color:var(--muted);max-width:340px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .2s ease;}
.footer-col a:hover{color:var(--crimson);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:22px;font-size:13px;color:#6b7382;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:64px 0;}
  .nav-inner{flex-wrap:wrap;gap:14px;}
  .nav-search{order:3;width:100%;max-width:none;margin:0;}
  .nav-links{order:2;margin-left:auto;}
  .hero-main{grid-template-columns:1fr;gap:34px;padding-bottom:44px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-note{grid-template-columns:1fr;}
  .demo{grid-template-columns:1fr;gap:28px;}
  .price-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:34px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:768px){
  .section{padding:54px 0;}
  .nav-links{order:4;width:100%;overflow-x:auto;padding-bottom:4px;}
  .nav-link{font-size:13.5px;padding:8px 12px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .hero-actions .btn{flex:1 1 100%;}
  .news-item{grid-template-columns:1fr;gap:8px;align-items:start;}
  .news-tag{justify-self:start;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
  .demo-screen{min-height:240px;}
  .cap-cn{font-size:15.5px;}
}
@media (max-width:520px){
  .wrap{width:92vw;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:20px 4px;}
  .stat-item:last-child{border-bottom:0;}
  .spec-panel{padding:20px;}
  .card{padding:22px;}
  .cta-band{padding:28px 20px;}
  .lang-chips{gap:8px;}
  .chip{font-size:12.5px;padding:6px 12px;}
}

/* roulang page: category1 */
:root{
 --ink:#08090d;
 --ink-2:#0c0e14;
 --panel:#12141b;
 --panel-2:#171a23;
 --line:#252a36;
 --crimson:#ff3b5c;
 --crimson-soft:rgba(255,59,92,.14);
 --amber:#ffb703;
 --text:#e9ebf1;
 --muted:#98a0b0;
 --radius:18px;
 --radius-sm:12px;
 --shadow:0 20px 44px -24px rgba(0,0,0,.9);
}
/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--ink);
 color:var(--text);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
 line-height:1.8;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 22px;}
.section{padding:86px 0;}
.section-alt{background:var(--ink-2);}
.section-line{border-top:1px solid var(--line);}
.sec-title{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.sec-desc{color:var(--muted);font-size:15.5px;max-width:780px;}
.section-head{max-width:820px;margin-bottom:48px;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:.1em;
 color:var(--crimson);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--crimson);}
/* ============ HEADER ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(8,9,13,.88);
 backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;padding:13px 0;}
.logo{font-size:20px;font-weight:800;letter-spacing:.01em;color:#fff;white-space:nowrap;}
.logo em{font-style:normal;color:var(--crimson);}
.nav-search{
 flex:1;display:flex;align-items:center;gap:10px;
 max-width:520px;margin:0 auto;
 background:var(--panel);border:1px solid var(--line);
 border-radius:999px;padding:6px 6px 6px 16px;
 transition:border-color .22s ease, box-shadow .22s ease;
}
.nav-search:focus-within{border-color:rgba(255,59,92,.6);box-shadow:0 0 0 4px rgba(255,59,92,.1);}
.nav-search svg{flex:none;width:17px;height:17px;color:#6b7382;}
.nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14px;}
.nav-search input::placeholder{color:#6b7382;}
.nav-search button{
 flex:none;border:0;border-radius:999px;cursor:pointer;
 background:var(--crimson);color:#fff;font-size:13.5px;font-weight:600;
 padding:9px 18px;transition:filter .2s ease, transform .2s ease;
}
.nav-search button:hover{filter:brightness(1.12);transform:translateY(-1px);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
 font-size:14px;color:var(--muted);padding:9px 15px;border-radius:10px;
 white-space:nowrap;transition:color .2s ease, background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:#fff;background:var(--crimson-soft);box-shadow:inset 0 0 0 1px rgba(255,59,92,.35);}
/* ============ 通用组件 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:600;cursor:pointer;
 transition:transform .22s ease, filter .22s ease, border-color .22s ease, background .22s ease, color .22s ease;
}
.btn-primary{background:var(--crimson);color:#fff;box-shadow:0 14px 32px -14px rgba(255,59,92,.8);}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:rgba(255,59,92,.5);background:rgba(255,59,92,.08);color:#fff;transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--amber);outline-offset:3px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;
 color:#c8cfdc;background:rgba(255,255,255,.05);border:1px solid var(--line);
 transition:border-color .2s ease,color .2s ease;
}
.tag-crimson{color:#ffb9c5;background:var(--crimson-soft);border-color:rgba(255,59,92,.34);}
.tag-amber{color:#ffd977;background:rgba(255,183,3,.12);border-color:rgba(255,183,3,.3);}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,59,92,.42);box-shadow:var(--shadow);}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.5px;}
.card .tag{margin-top:16px;}
.card-icon{
 width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
 background:var(--crimson-soft);color:var(--crimson);font-weight:800;font-size:15px;margin-bottom:18px;
 border:1px solid rgba(255,59,92,.28);
}
/* ============ 分类页 HERO ============ */
.cat-hero{
 position:relative;overflow:hidden;
 padding:52px 0 84px;
 background:
 radial-gradient(1100px 520px at 10% -12%, rgba(255,59,92,.20), transparent 62%),
 radial-gradient(900px 480px at 96% 6%, rgba(255,183,3,.12), transparent 60%),
 linear-gradient(180deg,#0b0d13 0%, #08090d 100%);
 border-bottom:1px solid var(--line);
}
.cat-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
 linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
 background-size:56px 56px;
 mask-image:radial-gradient(circle at 28% 18%, #000 0%, transparent 78%);
}
.cat-hero .wrap{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:#6f7788;margin-bottom:26px;}
.crumbs a{transition:color .2s ease;}
.crumbs a:hover{color:var(--crimson);}
.crumbs i{font-style:normal;color:#414857;}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:54px;align-items:center;}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;
 background:rgba(255,59,92,.12);border:1px solid rgba(255,59,92,.34);
 color:#ffb9c5;font-size:13px;font-weight:600;
 padding:7px 15px;border-radius:999px;margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--crimson);box-shadow:0 0 0 4px rgba(255,59,92,.2);display:inline-block;}
.cat-hero h1{font-size:clamp(28px,3.9vw,44px);line-height:1.24;margin-bottom:16px;}
.cat-hero h1 span{color:var(--crimson);}
.hero-sub{font-size:clamp(16px,1.5vw,18.5px);color:#cdd3df;font-weight:500;margin-bottom:16px;}
.hero-text{color:var(--muted);font-size:15.5px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-kpi{
 display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 26px;
 padding-top:26px;border-top:1px solid var(--line);
}
.kpi-val{font-size:clamp(20px,2.3vw,26px);font-weight:800;color:#fff;line-height:1.3;}
.kpi-val b{color:var(--crimson);font-weight:800;}
.kpi-label{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;transform:rotate(-1.6deg);}
.visual-frame{
 background:linear-gradient(155deg,#2b1020 0%,#111420 46%,#0a0c12 100%);
 border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow);
}
.visual-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:18px;}
.visual-head strong{font-size:15px;}
.spec-rows{display:grid;gap:10px;}
.spec-row{
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 font-size:13.5px;padding:9px 13px;border-radius:10px;
 background:rgba(255,255,255,.035);border:1px solid var(--line);
}
.spec-row span{color:var(--muted);}
.spec-row b{color:#fff;font-weight:600;}
.wave{display:flex;align-items:flex-end;gap:4px;height:74px;margin-top:18px;}
.wave i{flex:1;border-radius:3px 3px 0 0;background:linear-gradient(180deg,var(--crimson),rgba(255,59,92,.18));opacity:.88;}
.wave i:nth-child(1){height:34%;}
.wave i:nth-child(2){height:52%;}
.wave i:nth-child(3){height:41%;}
.wave i:nth-child(4){height:68%;}
.wave i:nth-child(5){height:57%;}
.wave i:nth-child(6){height:82%;}
.wave i:nth-child(7){height:64%;}
.wave i:nth-child(8){height:92%;}
.wave i:nth-child(9){height:71%;}
.wave i:nth-child(10){height:86%;}
.wave i:nth-child(11){height:60%;}
.wave i:nth-child(12){height:46%;}
.visual-chip{
 position:absolute;right:-14px;top:-18px;
 background:var(--amber);color:#1a1200;font-weight:700;font-size:12.5px;
 padding:8px 15px;border-radius:999px;box-shadow:0 14px 30px -14px rgba(255,183,3,.9);
}
/* ============ 规格矩阵 ============ */
.spec-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;}
.spec-card:hover{transform:translateY(-5px);border-color:rgba(255,59,92,.42);box-shadow:var(--shadow);}
.spec-no{font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--crimson);margin-bottom:16px;}
.spec-card h3{font-size:17.5px;margin-bottom:10px;}
.spec-card p{color:var(--muted);font-size:14.5px;min-height:88px;}
.spec-card .tag{margin-top:14px;margin-right:6px;}
/* ============ 专题矩阵 ============ */
.topic-card{display:flex;flex-direction:column;height:100%;}
.topic-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.topic-dot{width:10px;height:10px;border-radius:50%;background:var(--crimson);box-shadow:0 0 0 5px rgba(255,59,92,.16);}
.topic-count{font-size:12.5px;color:#6f7788;letter-spacing:.06em;}
/* ============ 画质对照 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.compare-list li{padding:15px 0;border-bottom:1px dashed var(--line);}
.compare-list li:last-child{border-bottom:0;}
.row-top{display:flex;align-items:baseline;justify-content:space-between;gap:14px;font-size:14.5px;margin-bottom:9px;}
.row-top b{font-size:13.5px;color:#fff;font-weight:600;}
.row-top b em{font-style:normal;color:#6f7788;font-weight:500;margin-left:6px;}
.bar{height:6px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--crimson),#ff7b92);}
.bar i.low{background:linear-gradient(90deg,#3c465c,#647089);}
.frame-panel{background:linear-gradient(150deg,#1b2030,#0b0d13);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow);}
.frame-box{position:relative;height:172px;border-radius:14px;border:1px solid var(--line);overflow:hidden;}
.frame-box + .frame-box{margin-top:16px;}
.frame-4k{background:radial-gradient(circle at 30% 28%,rgba(255,59,92,.28),transparent 62%),linear-gradient(135deg,#2c3a5e,#0d1119);}
.frame-sd{background:linear-gradient(135deg,#2a3346,#12151c);filter:saturate(.72) blur(.5px);}
.frame-label{
 position:absolute;left:12px;bottom:12px;
 font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
 background:rgba(8,9,13,.75);border:1px solid var(--line);color:#dfe4ee;
}
.frame-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
/* ============ 场景行 ============ */
.scene-row{display:grid;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel);}
.scene-item{
 display:grid;grid-template-columns:52px 1fr auto;gap:22px;align-items:center;
 padding:24px 26px;border-bottom:1px solid var(--line);
 transition:background .22s ease;
}
.scene-item:last-child{border-bottom:0;}
.scene-item:hover{background:rgba(255,59,92,.05);}
.scene-no{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--crimson);}
.scene-item h3{font-size:16.5px;margin-bottom:6px;}
.scene-item p{color:var(--muted);font-size:14px;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;}
/* ============ 精选清单 ============ */
.pick-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel);}
.pick-item{
 display:grid;grid-template-columns:60px 1fr auto;gap:22px;align-items:center;
 padding:22px 26px;border-bottom:1px solid var(--line);transition:background .22s ease;
}
.pick-item:last-child{border-bottom:0;}
.pick-item:hover{background:rgba(255,255,255,.03);}
.pick-idx{font-size:15px;font-weight:800;color:#3c4354;letter-spacing:.04em;}
.pick-item h3{font-size:16.5px;margin-bottom:6px;}
.pick-item p{color:var(--muted);font-size:14px;}
.pick-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;}
.pick-more{display:flex;justify-content:flex-end;margin-top:22px;}
.pick-more a{font-size:14.5px;font-weight:600;color:var(--crimson);display:inline-flex;align-items:center;gap:7px;transition:gap .2s ease,opacity .2s ease;}
.pick-more a:hover{gap:12px;opacity:.85;}
/* ============ 口碑 ============ */
.quote-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .26s ease,border-color .26s ease;}
.quote-card:hover{transform:translateY(-5px);border-color:rgba(255,183,3,.4);}
.quote-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.avatar{
 width:44px;height:44px;border-radius:50%;flex:none;
 display:flex;align-items:center;justify-content:center;
 background:var(--crimson-soft);color:#ffc0cb;font-weight:800;font-size:16px;
 border:1px solid rgba(255,59,92,.3);
}
.quote-name{font-size:15px;font-weight:700;color:#fff;}
.quote-meta{font-size:12.5px;color:#6f7788;}
.stars{color:var(--amber);letter-spacing:3px;font-size:13px;margin-bottom:10px;}
.quote-card p{color:#c5cbd8;font-size:14.5px;}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 24px;transition:border-color .22s ease,background .22s ease;}
.faq-item:hover{border-color:rgba(255,59,92,.35);}
.faq-item[open]{border-color:rgba(255,59,92,.45);background:var(--panel-2);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 0;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";flex:none;color:var(--crimson);font-size:20px;font-weight:400;line-height:1;}
.faq-item[open] summary::after{content:"–";}
.faq-item p{color:var(--muted);font-size:14.5px;padding:0 0 20px;max-width:900px;}
.faq-item summary:focus-visible{outline:2px solid var(--amber);outline-offset:4px;border-radius:6px;}
/* ============ CTA ============ */
.cta-band{
 position:relative;overflow:hidden;
 display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;
 border:1px solid rgba(255,59,92,.3);border-radius:24px;padding:50px;
 background:
 radial-gradient(900px 340px at 10% 0%, rgba(255,59,92,.22), transparent 62%),
 linear-gradient(140deg,#171a24,#0c0e14);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.cta-band p{color:var(--muted);font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
/* ============ FOOTER ============ */
.site-footer{background:var(--ink-2);border-top:1px solid var(--line);padding:66px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand h3{font-size:20px;margin-bottom:14px;}
.footer-brand h3 em{font-style:normal;color:var(--crimson);}
.footer-brand p{color:var(--muted);font-size:14.5px;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:14px;transition:color .2s ease;}
.footer-col a:hover{color:var(--crimson);}
.footer-bottom{
 margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 color:#6f7788;font-size:13px;
}
/* ============ 响应式 ============ */
@media (max-width:1024px){
 .nav-inner{flex-wrap:wrap;row-gap:12px;}
 .nav-links{order:2;margin-left:auto;}
 .nav-search{order:3;flex:1 1 100%;max-width:none;margin:0;}
 .hero-grid{grid-template-columns:1fr;gap:44px;}
 .hero-visual{transform:none;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .compare{grid-template-columns:1fr;gap:34px;}
 .cta-band{grid-template-columns:1fr;padding:38px;}
 .cta-actions{justify-content:flex-start;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .spec-card p{min-height:0;}
}
@media (max-width:768px){
 .section{padding:70px 0;}
 .section-head{margin-bottom:34px;}
 .pick-item{grid-template-columns:44px 1fr;gap:16px;}
 .pick-tags{grid-column:1 / -1;justify-content:flex-start;}
 .scene-item{grid-template-columns:44px 1fr;gap:16px;}
 .scene-tags{grid-column:1 / -1;justify-content:flex-start;}
}
@media (max-width:560px){
 .wrap{padding:0 16px;}
 .nav-links{order:3;width:100%;margin-left:0;justify-content:flex-start;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
 .nav-links::-webkit-scrollbar{display:none;}
 .nav-search{order:2;padding:5px 5px 5px 13px;}
 .nav-search button{padding:8px 14px;font-size:13px;}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
 .hero-kpi{grid-template-columns:1fr 1fr;gap:18px;}
 .hero-actions{flex-direction:column;align-items:stretch;}
 .hero-actions .btn{width:100%;}
 .visual-chip{right:auto;left:14px;top:-14px;}
 .cta-band{padding:28px 22px;border-radius:20px;}
 .cta-actions{flex-direction:column;align-items:stretch;}
 .cta-actions .btn{width:100%;}
 .footer-grid{grid-template-columns:1fr;}
 .card,.spec-card,.quote-card{padding:22px;}
 .pick-item{padding:18px;}
 .faq-item{padding:0 18px;}
}