/* roulang page: index */
:root{
  --bg:#080a0f;
  --bg-soft:#0c0f16;
  --panel:#12161f;
  --panel-2:#171c27;
  --panel-3:#1d2330;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --text:#edf0f7;
  --muted:#98a1b3;
  --dim:#6d768a;
  --red:#ff2f45;
  --red-deep:#c8162b;
  --red-soft:rgba(255,47,69,.12);
  --amber:#ffab3d;
  --green:#2fe0a4;
  --blue:#4b8dff;
  --radius-xs:8px;
  --radius-s:12px;
  --radius:18px;
  --radius-l:26px;
  --shadow-s:0 6px 18px rgba(0,0,0,.32);
  --shadow:0 18px 44px rgba(0,0,0,.46);
  --shadow-red:0 14px 34px rgba(255,47,69,.26);
  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 82% -8%,rgba(255,47,69,.10),transparent 62%),
    radial-gradient(900px 480px at 8% 4%,rgba(75,141,255,.08),transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
a:hover{color:var(--red);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 22px;
}
.container-wide{max-width:1340px;}

/* ---------- 通用元素 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--muted);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 13px;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px var(--red-soft);}
.section{padding:88px 0;position:relative;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:38px;max-width:760px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:clamp(22px,2.5vw,32px);
  line-height:1.34;
  letter-spacing:.4px;
  margin:14px 0 12px;
  font-weight:800;
}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.section-head p + p{margin-top:10px;}
hr.rule{border:0;height:1px;background:var(--line);margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;
  border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  color:#fff;
  box-shadow:var(--shadow-red);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,47,69,.36);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--red);color:#fff;}
.btn-line{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--muted);
  padding:9px 18px;
  font-size:13.5px;
  font-weight:600;
}
.btn-line:hover{color:#fff;border-color:var(--red);background:var(--red-soft);}
.btn-block{width:100%;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.6px;
  padding:4px 11px;border-radius:999px;
  background:var(--red-soft);color:#ff8b98;border:1px solid rgba(255,47,69,.28);
}
.tag-amber{background:rgba(255,171,61,.12);color:#ffc477;border-color:rgba(255,171,61,.28);}
.tag-green{background:rgba(47,224,164,.12);color:#71e9bf;border-color:rgba(47,224,164,.26);}
.tag-blue{background:rgba(75,141,255,.12);color:#8db4ff;border-color:rgba(75,141,255,.26);}
.tag-plain{background:rgba(255,255,255,.05);color:var(--muted);border-color:var(--line);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  padding:14px 0;
  background:rgba(8,10,15,.42);
  border-bottom:1px solid rgba(255,255,255,.07);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  transition:background-color .3s ease,border-color .3s ease,padding .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(9,11,17,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
  padding:9px 0;
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--red),#8d0f1f);
  box-shadow:0 8px 20px rgba(255,47,69,.32);
  font-weight:900;font-size:15px;color:#fff;letter-spacing:-.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-weight:800;font-size:18px;letter-spacing:.6px;}
.brand-sub{font-size:11px;color:var(--dim);letter-spacing:1.4px;text-transform:uppercase;}

.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  display:inline-block;
  font-size:14.5px;font-weight:600;
  color:var(--muted);
  padding:8px 14px;border-radius:10px;
  border:1px solid transparent;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-menu a.active{color:#fff;background:rgba(255,47,69,.14);border-color:rgba(255,47,69,.3);}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 14px;
  transition:border-color .22s ease,background-color .22s ease;
}
.nav-search:focus-within{border-color:var(--red);background:rgba(255,47,69,.08);}
.nav-search i{color:var(--dim);font-size:13px;}
.nav-search input{
  background:transparent;border:0;outline:none;
  width:118px;font-size:13.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--dim);}
.nav-toggle{
  display:none;background:rgba(255,255,255,.06);
  border:1px solid var(--line);color:var(--text);
  width:42px;height:42px;border-radius:11px;cursor:pointer;
  font-size:16px;
}
.nav-toggle:hover{border-color:var(--red);color:var(--red);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:150px 0 74px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:50%;top:52%;transform:translateX(-50%);
  width:min(1180px,96vw);height:520px;
  background:radial-gradient(closest-side,rgba(255,47,69,.16),transparent 72%);
  pointer-events:none;z-index:0;
}
.hero-inner{position:relative;z-index:2;text-align:center;}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:22px;}
.hero h1{
  font-size:clamp(28px,4vw,52px);
  line-height:1.24;
  font-weight:900;
  letter-spacing:.6px;
  max-width:940px;
  margin:0 auto 18px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#ff5a6c,#ffab3d);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:clamp(16px,1.6vw,19px);
  color:#c7cedd;
  font-weight:600;
  max-width:720px;margin:0 auto 16px;
}
.hero-intro{
  color:var(--muted);
  font-size:15.5px;
  line-height:1.9;
  max-width:820px;margin:0 auto 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.hero-metrics{
  display:flex;flex-wrap:wrap;justify-content:center;gap:14px;
  margin-top:34px;
}
.hero-metrics li{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px 20px;
  min-width:150px;
}
.hero-metrics b{display:block;font-size:21px;font-weight:900;color:#fff;letter-spacing:.5px;}
.hero-metrics span{font-size:12.5px;color:var(--dim);}

/* Hero 产品舞台 */
.stage{
  position:relative;z-index:2;
  margin-top:58px;
  display:grid;
  grid-template-columns:236px minmax(0,1fr) 236px;
  gap:20px;
  align-items:center;
}
.stage-side{display:flex;flex-direction:column;gap:16px;}
.side-card{
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px 17px;
  box-shadow:var(--shadow-s);
  text-align:left;
  transition:transform .25s ease,border-color .25s ease;
}
.side-card:hover{transform:translateY(-4px);border-color:rgba(255,47,69,.4);}
.side-card i{color:var(--red);font-size:16px;margin-bottom:9px;display:block;}
.side-card h4{font-size:14.5px;font-weight:800;margin-bottom:5px;}
.side-card p{font-size:12.8px;color:var(--muted);line-height:1.7;}

.mock{
  background:linear-gradient(180deg,#151a25,#0e1219);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.mock-bar{
  display:flex;align-items:center;gap:9px;
  padding:13px 18px;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.mock-bar span.dotr{width:10px;height:10px;border-radius:50%;background:#2a3040;}
.mock-bar span.dotr:nth-child(2){background:#3a2718;}
.mock-bar span.dotr:nth-child(3){background:#12352b;}
.mock-title{margin-left:10px;font-size:12.5px;color:var(--dim);letter-spacing:1px;}
.mock-body{display:grid;grid-template-columns:170px minmax(0,1fr);min-height:330px;}
.mock-nav{
  border-right:1px solid var(--line);
  padding:18px 14px;
  background:rgba(0,0,0,.22);
}
.mock-nav li{
  font-size:12.5px;color:var(--dim);
  padding:9px 11px;border-radius:9px;margin-bottom:4px;
}
.mock-nav li.on{background:var(--red-soft);color:#ff8b98;border:1px solid rgba(255,47,69,.28);}
.mock-main{padding:20px;}
.mock-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px;}
.mock-kpi{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:12px;padding:12px 13px;
}
.mock-kpi em{display:block;font-style:normal;font-size:11.5px;color:var(--dim);margin-bottom:4px;}
.mock-kpi b{font-size:19px;font-weight:900;color:#fff;}
.mock-kpi b.small{color:var(--green);font-size:16px;}
.mock-chart{
  display:flex;align-items:flex-end;gap:10px;height:122px;
  padding:14px;border:1px solid var(--line);border-radius:14px;
  background:rgba(255,255,255,.02);margin-bottom:16px;
}
.mock-chart i{
  flex:1;border-radius:6px 6px 3px 3px;
  background:linear-gradient(180deg,rgba(255,47,69,.85),rgba(255,47,69,.18));
  display:block;
}
.mock-chart i.alt{background:linear-gradient(180deg,rgba(75,141,255,.8),rgba(75,141,255,.14));}
.mock-list li{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
  padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.07);
}
.mock-list li:last-child{border-bottom:0;}
.mock-list li b{color:#fff;font-weight:700;font-size:12.5px;}
.mock-list li span.ok{color:var(--green);font-size:12px;}

/* ---------- 状态条 ---------- */
.status-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(255,47,69,.07),transparent 55%);
}
.status-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);
}
.status-item{
  background:var(--bg-soft);
  padding:26px 22px;
}
.status-item b{display:block;font-size:26px;font-weight:900;letter-spacing:.5px;color:#fff;}
.status-item b small{font-size:14px;color:var(--muted);font-weight:600;margin-left:3px;}
.status-item span{display:block;font-size:13px;color:var(--dim);margin-top:4px;}
.status-item i{color:var(--red);font-size:14px;margin-bottom:8px;display:block;}

/* ---------- 佣金亮点 ---------- */
.commission-grid{
  display:grid;
  grid-template-columns:1.25fr 1fr;
  gap:20px;
}
.commission-hero{
  background:linear-gradient(150deg,rgba(255,47,69,.16),rgba(18,22,31,.9) 58%);
  border:1px solid rgba(255,47,69,.28);
  border-radius:var(--radius-l);
  padding:34px 32px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.commission-hero::after{
  content:"";position:absolute;right:-60px;bottom:-70px;
  width:230px;height:230px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,47,69,.32),transparent);
}
.commission-hero h3{font-size:24px;font-weight:900;line-height:1.4;margin:14px 0 12px;}
.commission-hero p{color:#b9c1d1;font-size:14.5px;line-height:1.85;max-width:520px;}
.commission-hero .big-rate{
  font-size:52px;font-weight:900;line-height:1;
  color:#fff;margin:18px 0 6px;letter-spacing:-1px;
}
.commission-hero .big-rate small{font-size:18px;color:var(--muted);font-weight:600;margin-left:6px;}
.commission-side{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.hi-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 18px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.hi-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-s);}
.hi-card i{font-size:17px;color:var(--amber);margin-bottom:10px;display:block;}
.hi-card h4{font-size:15.5px;font-weight:800;margin-bottom:7px;}
.hi-card p{font-size:13.2px;color:var(--muted);line-height:1.72;}

/* ---------- 能力矩阵 ---------- */
.matrix{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
}
.matrix-item{
  background:var(--bg-soft);
  padding:28px 26px;
  transition:background-color .25s ease;
}
.matrix-item:hover{background:var(--panel-2);}
.matrix-item .mk{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,47,69,.12);
  border:1px solid rgba(255,47,69,.26);
  color:var(--red);font-size:17px;
  margin-bottom:15px;
}
.matrix-item h4{font-size:16.5px;font-weight:800;margin-bottom:8px;}
.matrix-item p{font-size:13.6px;color:var(--muted);line-height:1.78;}

/* ---------- 物料中心 ---------- */
.material-wrap{
  display:grid;grid-template-columns:0.95fr 1.05fr;gap:26px;align-items:start;
}
.material-panel{
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:30px 28px;
}
.material-panel h3{font-size:21px;font-weight:900;margin:14px 0 12px;line-height:1.4;}
.material-panel p{color:var(--muted);font-size:14.5px;line-height:1.86;}
.chip-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px;}

.track{display:flex;flex-direction:column;gap:14px;}
.track-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:19px 20px;
  transition:border-color .25s ease,transform .25s ease;
}
.track-item:hover{border-color:rgba(255,47,69,.36);transform:translateX(4px);}
.track-item .no{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  font-size:13px;font-weight:800;color:var(--red);
}
.track-item h4{font-size:15.5px;font-weight:800;margin-bottom:6px;}
.track-item p{font-size:13.4px;color:var(--muted);line-height:1.74;}

/* ---------- 频道入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.channel-card{
  display:block;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:28px 26px;
  position:relative;
  overflow:hidden;
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.channel-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--red),transparent);
  opacity:.6;
}
.channel-card:hover{transform:translateY(-6px);border-color:rgba(255,47,69,.4);box-shadow:var(--shadow);color:var(--text);}
.channel-card i{font-size:20px;color:var(--red);margin-bottom:14px;display:block;}
.channel-card h3{font-size:18px;font-weight:800;margin-bottom:9px;}
.channel-card p{font-size:13.6px;color:var(--muted);line-height:1.78;min-height:74px;}
.channel-more{font-size:13.5px;font-weight:700;color:#ff8b98;margin-top:14px;display:inline-flex;align-items:center;gap:7px;}

/* ---------- 物料形态清单 ---------- */
.form-list{
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
}
.form-row{
  display:grid;grid-template-columns:200px 1fr 150px;
  gap:18px;align-items:center;
  padding:22px 26px;
  background:var(--bg-soft);
  border-bottom:1px solid var(--line);
  transition:background-color .22s ease;
}
.form-row:last-child{border-bottom:0;}
.form-row:hover{background:var(--panel-2);}
.form-row h4{font-size:16px;font-weight:800;}
.form-row p{font-size:13.6px;color:var(--muted);line-height:1.72;}
.form-row .meta{font-size:12.8px;color:var(--dim);text-align:right;}
.form-row .meta b{display:block;color:var(--green);font-size:13.5px;font-weight:700;}

/* ---------- 结算说明 ---------- */
.settle{
  background:linear-gradient(180deg,#10141c,#0b0e14);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;
}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:19px;height:1px;
  background:linear-gradient(90deg,var(--red),rgba(255,47,69,.12));
}
.tl-item{position:relative;padding-top:52px;}
.tl-item .pin{
  position:absolute;top:0;left:0;
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--panel-2);border:1px solid var(--line-strong);
  color:var(--red);font-size:14px;font-weight:800;
  box-shadow:0 0 0 6px rgba(8,10,15,.9);
}
.tl-item h4{font-size:16px;font-weight:800;margin-bottom:8px;}
.tl-item p{font-size:13.4px;color:var(--muted);line-height:1.76;}
.tl-item .tl-time{
  display:inline-block;margin-top:10px;font-size:12px;color:#ff8b98;
  background:var(--red-soft);border:1px solid rgba(255,47,69,.26);
  padding:3px 10px;border-radius:999px;
}

/* ---------- 阶梯 ---------- */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.ladder-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.ladder-card:hover{transform:translateY(-6px);border-color:rgba(255,47,69,.4);box-shadow:var(--shadow);}
.ladder-card.feature{
  background:linear-gradient(170deg,rgba(255,47,69,.16),var(--panel) 62%);
  border-color:rgba(255,47,69,.34);
}
.ladder-card .lv{font-size:12px;letter-spacing:1.4px;color:var(--dim);text-transform:uppercase;}
.ladder-card h4{font-size:17.5px;font-weight:800;margin:8px 0 6px;}
.ladder-card .rate{font-size:32px;font-weight:900;color:#fff;letter-spacing:-.5px;margin:6px 0 12px;}
.ladder-card .rate small{font-size:14px;color:var(--muted);font-weight:600;margin-left:4px;}
.ladder-card ul{display:flex;flex-direction:column;gap:9px;margin-bottom:18px;}
.ladder-card li{font-size:13.3px;color:var(--muted);display:flex;gap:9px;align-items:flex-start;line-height:1.7;}
.ladder-card li i{color:var(--green);font-size:12px;margin-top:6px;}
.ladder-card .btn{margin-top:auto;}

/* ---------- 案例墙 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.case-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:26px 24px;
  display:flex;flex-direction:column;
  transition:transform .26s ease,border-color .26s ease;
}
.case-card:hover{transform:translateY(-6px);border-color:var(--line-strong);}
.case-top{display:flex;align-items:center;gap:13px;margin-bottom:16px;}
.case-avatar{
  width:46px;height:46px;border-radius:13px;
  display:grid;place-items:center;
  font-weight:900;font-size:16px;color:#fff;
  background:linear-gradient(140deg,#3b4256,#222838);
  flex-shrink:0;
}
.case-card.lead .case-avatar{background:linear-gradient(140deg,var(--red),#8d0f1f);}
.case-top h4{font-size:15.5px;font-weight:800;line-height:1.3;}
.case-top span{font-size:12.4px;color:var(--dim);}
.case-card p{font-size:13.6px;color:var(--muted);line-height:1.8;margin-bottom:18px;}
.case-nums{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
  padding-top:16px;border-top:1px dashed rgba(255,255,255,.1);
  margin-top:auto;
}
.case-nums b{display:block;font-size:19px;font-weight:900;color:#fff;}
.case-nums span{font-size:12px;color:var(--dim);}

/* ---------- 口碑 ---------- */
.quote-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.bubble{
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 20px 18px;
  position:relative;
  transition:background-color .24s ease,border-color .24s ease;
}
.bubble:hover{background:rgba(255,255,255,.06);border-color:var(--line-strong);}
.bubble i.q{color:rgba(255,47,69,.5);font-size:15px;margin-bottom:10px;display:block;}
.bubble p{font-size:13.8px;color:#c2cad9;line-height:1.82;}
.bubble .who{display:flex;align-items:center;gap:10px;margin-top:14px;}
.bubble .who b{font-size:13px;color:#fff;}
.bubble .who span{font-size:11.8px;color:var(--dim);}
.bubble .av{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,255,255,.07);font-size:12px;font-weight:800;color:var(--muted);
}

/* ---------- 渠道墙 ---------- */
.partner-wall{
  display:grid;grid-template-columns:repeat(6,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.partner-wall div{
  background:var(--bg-soft);
  padding:22px 10px;text-align:center;
  font-size:13.5px;font-weight:700;color:var(--dim);
  letter-spacing:.5px;
  transition:color .22s ease,background-color .22s ease;
}
.partner-wall div:hover{color:#fff;background:var(--panel-2);}

/* ---------- 资讯 ---------- */
.news-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;align-items:start;}
.news-feature{
  background:linear-gradient(160deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:30px 28px;
}
.news-feature h3{font-size:22px;font-weight:900;line-height:1.42;margin:14px 0 12px;}
.news-feature p{font-size:14.4px;color:var(--muted);line-height:1.86;margin-bottom:18px;}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.6px;color:var(--dim);}
.news-list{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.news-item{
  background:var(--bg-soft);
  padding:20px 22px;
  display:flex;gap:16px;align-items:flex-start;
  transition:background-color .22s ease;
}
.news-item:hover{background:var(--panel-2);}
.news-item .date{
  flex-shrink:0;width:56px;font-size:12px;color:var(--dim);line-height:1.6;
  border-right:1px solid var(--line);padding-right:12px;
}
.news-item h4{font-size:15px;font-weight:700;line-height:1.55;margin-bottom:6px;}
.news-item p{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- 版本更新 ---------- */
.log{
  border-left:2px solid rgba(255,47,69,.32);
  padding-left:24px;display:flex;flex-direction:column;gap:22px;
}
.log-item{position:relative;}
.log-item::before{
  content:"";position:absolute;left:-31px;top:9px;
  width:12px;height:12px;border-radius:50%;
  background:var(--red);box-shadow:0 0 0 5px rgba(255,47,69,.14);
}
.log-item h4{font-size:15.5px;font-weight:800;margin-bottom:7px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.log-item p{font-size:13.6px;color:var(--muted);line-height:1.78;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 24px;
  transition:border-color .24s ease,background-color .24s ease;
}
.faq-item:hover{border-color:rgba(255,47,69,.32);background:var(--panel-2);}
.faq-item h4{font-size:16px;font-weight:800;margin-bottom:9px;display:flex;gap:11px;align-items:flex-start;}
.faq-item h4 i{color:var(--red);font-size:14px;margin-top:6px;}
.faq-item p{font-size:14px;color:var(--muted);line-height:1.86;padding-left:25px;}

/* ---------- 加入入口 ---------- */
.join{
  background:
    radial-gradient(760px 380px at 78% 0%,rgba(255,47,69,.2),transparent 62%),
    linear-gradient(180deg,#10141d,#0a0d13);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.join-wrap{display:grid;grid-template-columns:1fr 0.92fr;gap:34px;align-items:center;}
.join-text h2{font-size:clamp(23px,2.7vw,34px);font-weight:900;line-height:1.34;margin:14px 0 14px;}
.join-text p{color:var(--muted);font-size:15px;line-height:1.88;max-width:520px;}
.join-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px;max-width:520px;}
.join-points div{
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--radius-s);padding:14px 16px;
}
.join-points b{display:block;font-size:14.5px;font-weight:800;margin-bottom:4px;}
.join-points span{font-size:12.6px;color:var(--dim);}
.join-form{
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line-strong);
  border-radius:var(--radius-l);
  padding:30px 28px;
  box-shadow:var(--shadow);
}
.join-form h3{font-size:19px;font-weight:900;margin-bottom:6px;}
.join-form > p{font-size:13.2px;color:var(--dim);margin-bottom:20px;}
.field{margin-bottom:15px;}
.field label{display:block;font-size:12.8px;color:var(--muted);margin-bottom:7px;font-weight:600;}
.field input,.field select{
  width:100%;padding:12px 14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-xs);
  font-size:14px;color:var(--text);
  outline:none;
  transition:border-color .2s ease,background-color .2s ease;
}
.field input::placeholder{color:var(--dim);}
.field input:focus,.field select:focus{border-color:var(--red);background:rgba(255,47,69,.07);}
.field select option{background:#141824;color:#edf0f7;}
.form-note{font-size:12px;color:var(--dim);margin-top:13px;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#070910;
  border-top:1px solid var(--line);
  padding:62px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;
  padding-bottom:38px;border-bottom:1px solid var(--line);
}
.footer-brand p{font-size:13.6px;color:var(--muted);line-height:1.85;margin-top:16px;max-width:330px;}
.footer-col h5{font-size:13.5px;font-weight:800;letter-spacing:.8px;margin-bottom:16px;color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.6px;color:var(--muted);}
.footer-col a:hover{color:var(--red);}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  padding-top:22px;font-size:12.6px;color:var(--dim);
}
.footer-bottom a{color:var(--dim);}
.footer-bottom a:hover{color:var(--red);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1180px){
  .container{padding:0 18px;}
  .stage{grid-template-columns:200px minmax(0,1fr) 200px;gap:14px;}
}
@media screen and (max-width:1024px){
  .section{padding:70px 0;}
  .stage{grid-template-columns:1fr;gap:18px;}
  .stage-side{flex-direction:row;flex-wrap:wrap;}
  .stage-side .side-card{flex:1 1 calc(50% - 8px);}
  .mock{order:-1;}
  .commission-grid{grid-template-columns:1fr;}
  .material-wrap{grid-template-columns:1fr;}
  .news-wrap{grid-template-columns:1fr;}
  .join-wrap{grid-template-columns:1fr;gap:28px;}
  .matrix{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:1fr;}
  .channel-card p{min-height:0;}
  .case-grid{grid-template-columns:1fr;}
  .quote-wall{grid-template-columns:1fr 1fr;}
  .ladder{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px;}
  .timeline::before{display:none;}
  .partner-wall{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:860px){
  .nav-menu{
    position:absolute;top:calc(100% + 10px);left:14px;right:14px;
    flex-direction:column;align-items:stretch;
    background:rgba(12,15,22,.98);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:12px;
    box-shadow:var(--shadow);
    display:none;
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-search{display:none;}
  .hero{padding:126px 0 60px;}
  .status-grid{grid-template-columns:repeat(2,1fr);}
  .form-row{grid-template-columns:1fr;gap:10px;}
  .form-row .meta{text-align:left;}
}
@media screen and (max-width:520px){
  .hero h1{font-size:26px;}
  .hero-metrics li{min-width:130px;padding:10px 14px;}
  .matrix{grid-template-columns:1fr;}
  .ladder{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .quote-wall{grid-template-columns:1fr;}
  .partner-wall{grid-template-columns:repeat(2,1fr);}
  .commission-side{grid-template-columns:1fr;}
  .join-points{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .mock-body{grid-template-columns:1fr;}
  .mock-nav{display:none;}
  .mock-kpis{grid-template-columns:1fr;}
  .stage-side .side-card{flex:1 1 100%;}
  .section{padding:56px 0;}
  .brand-sub{display:none;}
}

/* roulang page: category1 */
:root{
 --bg:#080a0f;
 --bg-soft:#0c0f16;
 --panel:#12161f;
 --panel-2:#171c27;
 --panel-3:#1d2330;
 --line:rgba(255,255,255,.09);
 --line-strong:rgba(255,255,255,.18);
 --text:#edf0f7;
 --muted:#98a1b3;
 --dim:#6d768a;
 --red:#ff2f45;
 --red-deep:#c8162b;
 --red-soft:rgba(255,47,69,.12);
 --amber:#ffab3d;
 --green:#2fe0a4;
 --blue:#4b8dff;
 --radius-xs:8px;
 --radius-s:12px;
 --radius:18px;
 --radius-l:26px;
 --shadow-s:0 6px 18px rgba(0,0,0,.32);
 --shadow:0 18px 44px rgba(0,0,0,.46);
 --shadow-red:0 14px 34px rgba(255,47,69,.26);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 background:
 radial-gradient(1100px 520px at 82% -8%,rgba(255,47,69,.10),transparent 62%),
 radial-gradient(900px 480px at 8% 4%,rgba(75,141,255,.08),transparent 60%),
 var(--bg);
 color:var(--text);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
 font-size:16px;
 line-height:1.75;
 letter-spacing:.2px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:var(--text);margin:0;line-height:1.35;letter-spacing:.3px;}
p{margin:0;}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
a:hover{color:var(--red);}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{
 width:100%;
 max-width:var(--container);
 margin:0 auto;
 padding:0 22px;
}
.container-wide{max-width:1340px;}

/* ---------- 通用元素 ---------- */
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:1.6px;text-transform:uppercase;
 color:var(--muted);
 background:rgba(255,255,255,.04);
 border:1px solid var(--line);
 border-radius:999px;
 padding:5px 13px;
}
.section{padding:88px 0;position:relative;}
.section-tight{padding:64px 0;}
.section-alt{background:linear-gradient(180deg,rgba(18,22,31,.55),rgba(8,10,15,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:38px;max-width:780px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
 font-size:clamp(22px,2.5vw,32px);
 line-height:1.34;
 letter-spacing:.4px;
 margin:14px 0 12px;
 font-weight:800;
}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.section-head p + p{margin-top:10px;}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 24px;
 border-radius:999px;
 font-size:15px;font-weight:700;letter-spacing:.4px;
 border:1px solid transparent;
 cursor:pointer;
 transition:transform .2s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
 white-space:nowrap;
}
.btn-primary{
 background:linear-gradient(135deg,var(--red),var(--red-deep));
 color:#fff;
 box-shadow:var(--shadow-red);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,47,69,.36);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-primary:focus-visible{outline:2px solid #fff;outline-offset:3px;}
.btn-ghost{
 background:rgba(255,255,255,.05);
 border-color:var(--line-strong);
 color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--red);color:#fff;}
.btn-ghost:focus-visible{outline:2px solid var(--red);outline-offset:3px;}
.btn-line{
 background:transparent;
 border-color:var(--line-strong);
 color:var(--muted);
 padding:9px 18px;
 font-size:13.5px;
 font-weight:600;
}
.btn-line:hover{color:#fff;border-color:var(--red);background:var(--red-soft);}
.btn-block{width:100%;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12px;font-weight:600;letter-spacing:.6px;
 padding:4px 11px;border-radius:999px;
 background:var(--red-soft);color:#ff8b98;border:1px solid rgba(255,47,69,.28);
}
.tag-amber{background:rgba(255,171,61,.12);color:#ffc477;border-color:rgba(255,171,61,.28);}
.tag-green{background:rgba(47,224,164,.12);color:#71e9bf;border-color:rgba(47,224,164,.26);}
.tag-blue{background:rgba(75,141,255,.12);color:#8db4ff;border-color:rgba(75,141,255,.26);}
.tag-plain{background:rgba(255,255,255,.05);color:var(--muted);border-color:var(--line);}

/* ---------- 导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:120;
 padding:14px 0;
 background:rgba(8,10,15,.42);
 border-bottom:1px solid rgba(255,255,255,.07);
 backdrop-filter:blur(16px) saturate(160%);
 -webkit-backdrop-filter:blur(16px) saturate(160%);
 transition:background-color .3s ease,border-color .3s ease,padding .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
 background:rgba(9,11,17,.94);
 border-bottom-color:var(--line);
 box-shadow:0 10px 30px rgba(0,0,0,.5);
 padding:9px 0;
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
 width:38px;height:38px;border-radius:11px;
 display:grid;place-items:center;
 background:linear-gradient(140deg,var(--red),#8d0f1f);
 box-shadow:0 8px 20px rgba(255,47,69,.32);
 font-weight:900;font-size:15px;color:#fff;letter-spacing:-.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-weight:800;font-size:18px;letter-spacing:.6px;}
.brand-sub{font-size:11px;color:var(--dim);letter-spacing:1.4px;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
 display:inline-block;
 font-size:14.5px;font-weight:600;
 color:var(--muted);
 padding:8px 14px;border-radius:10px;
 border:1px solid transparent;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-menu a.active{color:#fff;background:rgba(255,47,69,.14);border-color:rgba(255,47,69,.3);}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
 display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.05);
 border:1px solid var(--line);
 border-radius:999px;
 padding:7px 14px;
 transition:border-color .22s ease,background-color .22s ease;
}
.nav-search:focus-within{border-color:var(--red);background:rgba(255,47,69,.08);}
.nav-search i{color:var(--dim);font-size:13px;}
.nav-search input{
 background:transparent;border:0;outline:none;
 width:118px;font-size:13.5px;color:var(--text);
 height:auto;margin:0;
}
.nav-search input::placeholder{color:var(--dim);}
.nav-toggle{
 display:none;background:rgba(255,255,255,.06);
 border:1px solid var(--line);color:var(--text);
 width:42px;height:42px;border-radius:11px;cursor:pointer;
 font-size:16px;
}
.nav-toggle:hover{border-color:var(--red);color:var(--red);}

/* ---------- 首屏 ---------- */
.hero{
 position:relative;
 padding:168px 0 96px;
 overflow:hidden;
 border-bottom:1px solid var(--line);
}
.hero::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 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:64px 64px;
 -webkit-mask-image:radial-gradient(circle at 68% 22%,#000,transparent 74%);
 mask-image:radial-gradient(circle at 68% 22%,#000,transparent 74%);
}
.hero::after{
 content:"";position:absolute;right:-160px;top:-140px;width:560px;height:560px;
 background:radial-gradient(circle,rgba(255,47,69,.22),transparent 68%);
 pointer-events:none;
}
.hero-inner{
 position:relative;z-index:2;
 display:grid;
 grid-template-columns:1.06fr .94fr;
 gap:52px;
 align-items:center;
}
.hero h1{
 font-size:clamp(28px,3.6vw,46px);
 font-weight:900;
 line-height:1.26;
 letter-spacing:.5px;
 margin:20px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--red);}
.hero-lead{color:var(--muted);font-size:16px;line-height:1.9;max-width:600px;}
.hero-points{
 display:flex;flex-wrap:wrap;gap:10px 22px;
 margin:24px 0 30px;
}
.hero-points li{
 display:flex;align-items:center;gap:9px;
 font-size:14px;color:var(--muted);
}
.hero-points i{color:var(--green);font-size:13px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{
 display:flex;flex-wrap:wrap;gap:28px;
 margin-top:38px;
 padding-top:26px;
 border-top:1px solid var(--line);
}
.hero-meta div span{display:block;}
.hero-meta .num{font-size:24px;font-weight:900;color:#fff;letter-spacing:.5px;}
.hero-meta .lab{font-size:12.5px;color:var(--dim);letter-spacing:1px;margin-top:2px;}

/* 首屏侧栏：裂变邀请面板 */
.hero-panel{
 background:linear-gradient(165deg,rgba(29,35,48,.96),rgba(12,15,22,.98));
 border:1px solid var(--line-strong);
 border-radius:var(--radius-l);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.panel-head{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:18px 22px;
 border-bottom:1px solid var(--line);
 background:rgba(255,47,69,.07);
}
.panel-week{font-size:12.5px;color:var(--dim);letter-spacing:1.2px;}
.panel-body{padding:24px 22px 26px;}
.panel-title{font-size:17px;font-weight:800;line-height:1.5;margin-bottom:16px;}
.reward-list{display:flex;flex-direction:column;gap:12px;}
.reward-list li{
 display:flex;gap:10px;
 font-size:14px;color:var(--muted);line-height:1.75;
}
.reward-list i{color:var(--red);margin-top:5px;font-size:13px;}
.reward-list b{color:#fff;}
.progress-block{
 margin:22px 0 20px;
 padding:16px 16px 14px;
 background:rgba(255,255,255,.035);
 border:1px solid var(--line);
 border-radius:var(--radius-s);
}
.progress-top{
 display:flex;justify-content:space-between;align-items:center;
 font-size:13px;color:var(--muted);margin-bottom:10px;
}
.progress-top b{color:#fff;font-size:14px;letter-spacing:.6px;}
.progress-bar{
 height:9px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;
}
.progress-bar span{
 display:block;height:100%;border-radius:999px;
 background:linear-gradient(90deg,var(--red),#ff7a5c);
 box-shadow:0 0 14px rgba(255,47,69,.5);
}
.progress-note{margin-top:9px;font-size:12.5px;color:var(--dim);}

/* ---------- 物料矩阵 ---------- */
.material-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.material-card{
 position:relative;
 background:linear-gradient(160deg,var(--panel),var(--bg-soft));
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px 24px 22px;
 transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.material-card::after{
 content:"";position:absolute;right:20px;top:22px;
 width:7px;height:7px;border-radius:50%;background:var(--red);
 box-shadow:0 0 0 4px rgba(255,47,69,.14);
}
.material-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.material-icon{
 width:44px;height:44px;border-radius:13px;
 display:grid;place-items:center;
 background:rgba(255,47,69,.12);
 border:1px solid rgba(255,47,69,.24);
 color:var(--red);font-size:17px;
}
.material-card h3{font-size:17.5px;font-weight:800;margin:16px 0 10px;}
.material-card p{color:var(--muted);font-size:14.5px;line-height:1.82;}
.material-spec{
 display:flex;justify-content:space-between;gap:12px;
 margin-top:18px;padding-top:14px;
 border-top:1px dashed var(--line);
 font-size:12.5px;color:var(--dim);letter-spacing:.5px;
}

/* ---------- 数据条 ---------- */
.stat-grid{
 display:grid;grid-template-columns:repeat(5,1fr);
 gap:1px;background:var(--line);
 border:1px solid var(--line);
 border-radius:var(--radius);
 overflow:hidden;
}
.stat-cell{background:var(--bg-soft);padding:28px 22px;transition:background-color .24s ease;}
.stat-cell:hover{background:var(--panel-2);}
.stat-num{
 font-size:clamp(24px,2.4vw,32px);font-weight:900;
 letter-spacing:.5px;color:#fff;line-height:1.2;
}
.stat-num small{font-size:14px;color:var(--red);margin-left:3px;font-weight:800;}
.stat-lab{margin-top:8px;font-size:13.5px;color:var(--muted);}
.stat-hint{margin-top:6px;font-size:12px;color:var(--dim);}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.flow-step{
 position:relative;
 padding:24px 20px 22px;
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 transition:border-color .24s ease,transform .24s ease;
}
.flow-step:hover{border-color:rgba(255,47,69,.34);transform:translateY(-4px);}
.flow-step .step-no{
 display:inline-grid;place-items:center;
 width:30px;height:30px;border-radius:9px;
 background:rgba(255,47,69,.14);border:1px solid rgba(255,47,69,.3);
 color:#ff8b98;font-size:13px;font-weight:800;
}
.flow-step h3{font-size:15.5px;font-weight:800;margin:14px 0 8px;}
.flow-step p{font-size:13.5px;color:var(--muted);line-height:1.78;}

/* ---------- 规格清单 ---------- */
.spec-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:26px;align-items:start;}
.spec-box{
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:12px 24px;
}
.spec-row{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:16px 0;
 border-bottom:1px solid var(--line);
 font-size:14.5px;
}
.spec-row:last-child{border-bottom:0;}
.spec-row span:first-child{color:var(--muted);}
.spec-row span:last-child{color:#fff;font-weight:700;letter-spacing:.5px;}
.check-box{
 background:linear-gradient(160deg,var(--panel-2),var(--bg-soft));
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px 24px;
}
.check-box h3{font-size:17px;font-weight:800;margin-bottom:16px;}
.check-list{display:flex;flex-direction:column;gap:13px;}
.check-list li{
 display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.78;
}
.check-list i{color:var(--green);font-size:13px;margin-top:5px;}

/* ---------- 案例墙 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.case-card{
 display:flex;flex-direction:column;
 background:linear-gradient(170deg,var(--panel-2),var(--bg-soft));
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px 24px;
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-strong);}
.case-card h3{font-size:16.5px;font-weight:800;margin:14px 0 10px;}
.case-card p{font-size:14.5px;color:var(--muted);line-height:1.82;flex:1;}
.case-meta{
 display:flex;justify-content:space-between;align-items:center;gap:12px;
 margin-top:18px;padding-top:14px;
 border-top:1px solid var(--line);
 font-size:12.5px;color:var(--dim);
}
.case-meta b{color:var(--green);font-size:14px;}

/* ---------- 周更日志 ---------- */
.log-list{
 border:1px solid var(--line);
 border-radius:var(--radius);
 overflow:hidden;
 background:var(--bg-soft);
}
.log-item{
 display:grid;grid-template-columns:132px 1fr auto;gap:20px;align-items:center;
 padding:20px 24px;
 border-bottom:1px solid var(--line);
 transition:background-color .22s ease;
}
.log-item:last-child{border-bottom:0;}
.log-item:hover{background:rgba(255,255,255,.03);}
.log-week{font-size:13px;color:var(--dim);letter-spacing:1px;}
.log-text{font-size:14.5px;color:var(--text);line-height:1.7;}
.log-text em{font-style:normal;color:var(--muted);}

/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
 position:relative;
 display:block;
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:28px 24px;
 transition:transform .24s ease,border-color .24s ease,background-color .24s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:rgba(255,47,69,.36);background:var(--panel-2);color:var(--text);}
.channel-card h3{font-size:18px;font-weight:800;margin:14px 0 9px;color:#fff;}
.channel-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.channel-more{
 display:inline-flex;align-items:center;gap:8px;
 margin-top:18px;font-size:13.5px;font-weight:700;color:var(--red);
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius-s);
 overflow:hidden;
 transition:border-color .22s ease;
}
.faq-item[open]{border-color:rgba(255,47,69,.32);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;cursor:pointer;
 font-size:15.5px;font-weight:700;
 list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"\f078";
 font-family:"Font Awesome 6 Free";font-weight:900;
 font-size:12px;color:var(--red);
 transition:transform .24s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item p{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.85;}

/* ---------- 转化区 ---------- */
.cta-panel{
 position:relative;
 display:grid;grid-template-columns:1.04fr .96fr;gap:42px;
 background:linear-gradient(135deg,rgba(255,47,69,.16),rgba(18,22,31,.94) 62%);
 border:1px solid rgba(255,47,69,.28);
 border-radius:var(--radius-l);
 padding:46px 44px;
 overflow:hidden;
}
.cta-panel::after{
 content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;
 background:radial-gradient(circle,rgba(255,47,69,.2),transparent 68%);
 pointer-events:none;
}
.cta-left{position:relative;z-index:2;}
.cta-left h2{font-size:clamp(22px,2.4vw,30px);font-weight:900;line-height:1.36;margin:16px 0 14px;}
.cta-left p{color:var(--muted);font-size:15px;line-height:1.88;max-width:540px;}
.assure-bar{
 display:flex;flex-wrap:wrap;gap:12px;
 margin-top:26px;padding-top:22px;
 border-top:1px solid var(--line);
}
.assure-bar span{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;color:var(--muted);
}
.assure-bar i{color:var(--green);font-size:12.5px;}
.cta-form{
 position:relative;z-index:2;
 background:rgba(8,10,15,.62);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px 24px;
 display:grid;gap:15px;
}
.cta-form h3{font-size:16.5px;font-weight:800;}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13px;color:var(--muted);letter-spacing:.6px;}
.field input,.field select{
 width:100%;
 background:rgba(255,255,255,.04);
 border:1px solid var(--line);
 border-radius:var(--radius-xs);
 padding:12px 15px;
 font-size:14.5px;
 color:var(--text);
 outline:none;
 transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.field input::placeholder{color:var(--dim);}
.field input:focus,.field select:focus{
 border-color:var(--red);
 background:rgba(255,47,69,.06);
 box-shadow:0 0 0 3px rgba(255,47,69,.16);
}
.form-note{font-size:12.5px;color:var(--dim);line-height:1.7;}
.form-msg{font-size:13px;color:var(--green);min-height:18px;}

/* ---------- 页脚 ---------- */
.site-footer{
 margin-top:20px;
 padding:66px 0 28px;
 border-top:1px solid var(--line);
 background:linear-gradient(180deg,rgba(18,22,31,.62),rgba(8,10,15,.96));
}
.footer-grid{
 display:grid;
 grid-template-columns:1.7fr 1fr 1fr 1fr;
 gap:38px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.88;max-width:360px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-col h5{
 font-size:14px;font-weight:800;letter-spacing:1.1px;margin-bottom:16px;color:#fff;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:var(--red);}
.footer-bottom{
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
 margin-top:46px;padding-top:22px;
 border-top:1px solid var(--line);
 font-size:13px;color:var(--dim);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .nav-menu{
  position:absolute;left:22px;right:22px;top:76px;
  flex-direction:column;align-items:stretch;gap:4px;
  background:rgba(12,15,22,.98);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:12px;
  box-shadow:var(--shadow);
  display:none;
 }
 .nav-menu.open{display:flex;}
 .nav-menu a{padding:12px 14px;}
 .nav-toggle{display:grid;place-items:center;}
 .nav-search{display:none;}
 .hero{padding:140px 0 76px;}
 .hero-inner{grid-template-columns:1fr;gap:40px;}
 .material-grid,.case-grid,.channel-grid{grid-template-columns:repeat(2,1fr);}
 .stat-grid{grid-template-columns:repeat(3,1fr);}
 .flow-grid{grid-template-columns:repeat(3,1fr);}
 .spec-layout{grid-template-columns:1fr;}
 .cta-panel{grid-template-columns:1fr;padding:38px 32px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
 .container{padding:0 18px;}
 .section{padding:64px 0;}
 .section-tight{padding:52px 0;}
 .hero{padding:126px 0 64px;}
 .brand-sub{display:none;}
 .material-grid,.case-grid,.channel-grid{grid-template-columns:1fr;}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .flow-grid{grid-template-columns:repeat(2,1fr);}
 .log-item{grid-template-columns:1fr;gap:8px;}
 .hero-meta{gap:22px;}
 .cta-panel{padding:32px 22px;border-radius:var(--radius);}
 .footer-grid{grid-template-columns:1fr;gap:30px;}
}
@media (max-width:520px){
 .hero h1{font-size:26px;}
 .hero-actions .btn{width:100%;}
 .stat-grid{grid-template-columns:1fr;}
 .flow-grid{grid-template-columns:1fr;}
 .spec-box{padding:8px 18px;}
 .spec-row{flex-direction:column;align-items:flex-start;gap:4px;}
 .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
 --bg:#080a0f;
 --bg-soft:#0c0f16;
 --panel:#12161f;
 --panel-2:#171c27;
 --panel-3:#1d2330;
 --line:rgba(255,255,255,.09);
 --line-strong:rgba(255,255,255,.18);
 --text:#edf0f7;
 --muted:#98a1b3;
 --dim:#6d768a;
 --red:#ff2f45;
 --red-deep:#c8162b;
 --red-soft:rgba(255,47,69,.12);
 --amber:#ffab3d;
 --green:#2fe0a4;
 --blue:#4b8dff;
 --radius-xs:8px;
 --radius-s:12px;
 --radius:18px;
 --radius-l:26px;
 --shadow-s:0 6px 18px rgba(0,0,0,.32);
 --shadow:0 18px 44px rgba(0,0,0,.46);
 --shadow-red:0 14px 34px rgba(255,47,69,.26);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 background:
 radial-gradient(1100px 520px at 82% -8%,rgba(255,47,69,.10),transparent 62%),
 radial-gradient(900px 480px at 8% 4%,rgba(75,141,255,.08),transparent 60%),
 var(--bg);
 color:var(--text);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
 font-size:16px;
 line-height:1.75;
 letter-spacing:.2px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-family:inherit;font-weight:800;color:var(--text);line-height:1.35;letter-spacing:.3px;}
p{margin:0 0 1em;line-height:1.82;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
a:hover{color:var(--red);}
button,input,textarea,select{font:inherit;color:inherit;}
input,textarea,select{box-shadow:none;}
::selection{background:rgba(255,47,69,.34);color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;}
.container-wide{max-width:1340px;}
/* ---------- 通用元素 ---------- */
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:1.6px;text-transform:uppercase;
 color:var(--muted);
 background:rgba(255,255,255,.04);
 border:1px solid var(--line);
 border-radius:999px;
 padding:5px 13px;
}
.section{padding:88px 0;position:relative;}
.section-tight{padding:64px 0;}
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:38px;max-width:780px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
 font-size:clamp(22px,2.5vw,32px);
 line-height:1.34;
 letter-spacing:.4px;
 margin:14px 0 12px;
 font-weight:800;
}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.section-head p + p{margin-top:10px;}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 24px;
 border-radius:999px;
 font-size:15px;font-weight:700;letter-spacing:.4px;
 border:1px solid transparent;
 cursor:pointer;
 transition:transform .2s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
 white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;box-shadow:var(--shadow-red);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,47,69,.36);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--red);color:#fff;}
.btn-line{background:transparent;border-color:var(--line-strong);color:var(--muted);padding:9px 18px;font-size:13.5px;font-weight:600;}
.btn-line:hover{color:#fff;border-color:var(--red);background:var(--red-soft);}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid rgba(255,47,69,.7);outline-offset:2px;}
/* ---------- 标签 / 徽章 ---------- */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12px;font-weight:600;letter-spacing:.6px;
 padding:4px 11px;border-radius:999px;
 background:var(--red-soft);color:#ff8b98;border:1px solid rgba(255,47,69,.28);
}
.tag-amber{background:rgba(255,171,61,.12);color:#ffc477;border-color:rgba(255,171,61,.28);}
.tag-green{background:rgba(47,224,164,.12);color:#71e9bf;border-color:rgba(47,224,164,.26);}
.tag-blue{background:rgba(75,141,255,.12);color:#8db4ff;border-color:rgba(75,141,255,.26);}
.tag-plain{background:rgba(255,255,255,.05);color:var(--muted);border-color:var(--line);}
/* ---------- 导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:120;
 padding:14px 0;
 background:rgba(8,10,15,.42);
 border-bottom:1px solid rgba(255,255,255,.07);
 backdrop-filter:blur(16px) saturate(160%);
 -webkit-backdrop-filter:blur(16px) saturate(160%);
 transition:background-color .3s ease,border-color .3s ease,padding .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(9,11,17,.94);border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.5);padding:9px 0;}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
 width:38px;height:38px;border-radius:11px;
 display:grid;place-items:center;
 background:linear-gradient(140deg,var(--red),#8d0f1f);
 box-shadow:0 8px 20px rgba(255,47,69,.32);
 font-weight:900;font-size:15px;color:#fff;letter-spacing:-.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-weight:800;font-size:18px;letter-spacing:.6px;}
.brand-sub{font-size:11px;color:var(--dim);letter-spacing:1.4px;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{display:inline-block;font-size:14.5px;font-weight:600;color:var(--muted);padding:8px 14px;border-radius:10px;border:1px solid transparent;}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-menu a.active{color:#fff;background:rgba(255,47,69,.14);border-color:rgba(255,47,69,.3);}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
 display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.05);
 border:1px solid var(--line);
 border-radius:999px;
 padding:7px 14px;
 transition:border-color .22s ease,background-color .22s ease;
}
.nav-search:focus-within{border-color:var(--red);background:rgba(255,47,69,.08);}
.nav-search i{color:var(--dim);font-size:13px;}
.nav-search input{
 background:transparent;border:0;outline:none;
 width:118px;font-size:13.5px;color:var(--text);
 height:auto;min-height:0;margin:0;padding:0;line-height:1.4;
}
.nav-search input::placeholder{color:var(--dim);}
.nav-search input:focus{background:transparent;border:0;box-shadow:none;}
.nav-toggle{
 display:none;background:rgba(255,255,255,.06);
 border:1px solid var(--line);color:var(--text);
 width:42px;height:42px;border-radius:11px;cursor:pointer;
 font-size:16px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--red);color:var(--red);}
/* ---------- Hero ---------- */
.hero{position:relative;padding:152px 0 74px;overflow:hidden;}
.hero::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 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:66px 66px;
 mask-image:radial-gradient(circle at 62% 18%,#000,transparent 70%);
 -webkit-mask-image:radial-gradient(circle at 62% 18%,#000,transparent 70%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(27px,3.5vw,45px);line-height:1.25;margin:18px 0 16px;letter-spacing:.5px;}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--red),#ff9aa5);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{color:var(--muted);font-size:16.5px;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 20px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
/* ---------- 代码面板 ---------- */
.code-panel{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.code-head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.03);}
.dots{display:flex;gap:6px;}
.dots span{width:10px;height:10px;border-radius:50%;background:var(--panel-3);}
.dots span:nth-child(1){background:#ff5f57;}
.dots span:nth-child(2){background:#ffbd2e;}
.dots span:nth-child(3){background:#28c840;}
.code-head strong{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.6px;}
.code-head .tag{margin-left:auto;}
.code-body{padding:18px;}
.code-body pre{margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;font-size:12.8px;line-height:1.95;color:#c9d3e6;white-space:pre;overflow-x:auto;}
.tk-key{color:#ff8b98;}
.tk-str{color:#8de0b8;}
.tk-num{color:#ffc477;}
.tk-com{color:#6d768a;}
.tk-ok{color:#8db4ff;}
.code-foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--dim);}
.code-foot strong{color:var(--green);font-weight:700;}
/* ---------- 统计条 ---------- */
.stat-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;}
.stat{background:var(--panel);padding:24px 22px;}
.stat b{display:block;font-size:27px;font-weight:900;letter-spacing:.5px;margin-bottom:4px;}
.stat b.r{color:var(--red);}
.stat b.g{color:var(--green);}
.stat b.a{color:var(--amber);}
.stat b.b{color:var(--blue);}
.stat span{color:var(--muted);font-size:13.6px;line-height:1.6;display:block;}
/* ---------- Foundation 网格定制 ---------- */
.f-grid{margin:0 -12px;}
.f-grid > .cell{padding:0 12px;margin-bottom:24px;}
/* ---------- 等级卡 ---------- */
.level-card{
 height:100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;display:flex;flex-direction:column;gap:14px;
 transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background-color .24s ease;
}
.level-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.level-card.featured{border-color:rgba(255,47,69,.42);background:linear-gradient(180deg,rgba(255,47,69,.09),var(--panel));}
.level-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.level-top h3{font-size:17px;}
.level-rate{font-size:30px;font-weight:900;color:var(--red);line-height:1.1;}
.level-rate small{font-size:13px;color:var(--muted);font-weight:600;margin-left:6px;letter-spacing:.4px;}
.level-card > p{color:var(--muted);font-size:14px;margin:0;}
.level-list{margin-top:2px;}
.level-list li{display:flex;gap:9px;padding:8px 0;color:var(--muted);font-size:13.8px;border-top:1px dashed rgba(255,255,255,.08);}
.level-list li:first-child{border-top:0;}
.level-list i{color:var(--green);font-size:11px;margin-top:6px;flex-shrink:0;}
/* ---------- 规则列表 ---------- */
.rule-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.rule-item{
 display:flex;gap:16px;padding:20px 22px;
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-s);
 transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.rule-item:hover{border-color:var(--line-strong);background:var(--panel-2);transform:translateY(-2px);}
.rule-num{
 flex:0 0 38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:var(--red-soft);color:#ff8b98;font-weight:800;font-size:14px;border:1px solid rgba(255,47,69,.28);
}
.rule-item h3{font-size:16px;margin-bottom:6px;}
.rule-item p{color:var(--muted);font-size:14.3px;margin:0;}
/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.timeline::before{content:"";position:absolute;top:19px;left:4%;right:4%;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);}
.tl-item{position:relative;padding-top:48px;}
.tl-dot{
 position:absolute;top:0;left:0;width:38px;height:38px;border-radius:50%;
 display:grid;place-items:center;background:var(--panel-2);border:1px solid var(--line-strong);
 color:#fff;font-weight:800;font-size:13px;box-shadow:0 0 0 6px rgba(8,10,15,.9);
}
.tl-item h3{font-size:15.5px;margin-bottom:7px;}
.tl-item p{color:var(--muted);font-size:13.8px;margin:0;}
/* ---------- 接口区 ---------- */
.api-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:26px;align-items:start;}
.field-list{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.field{display:flex;gap:14px;padding:13px 20px;border-bottom:1px solid var(--line);}
.field:last-child{border-bottom:0;}
.field code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#8db4ff;font-size:13px;flex:0 0 116px;}
.field span{color:var(--muted);font-size:13.6px;}
.api-note{margin-top:16px;color:var(--dim);font-size:13.6px;}
/* ---------- 收款卡 ---------- */
.pay-card{
 height:100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.pay-card:hover{transform:translateY(-3px);border-color:rgba(75,141,255,.4);box-shadow:var(--shadow-s);}
.pay-icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:rgba(75,141,255,.12);border:1px solid rgba(75,141,255,.26);color:#8db4ff;font-size:17px;margin-bottom:16px;
}
.pay-card h3{font-size:16.5px;margin-bottom:8px;}
.pay-card p{color:var(--muted);font-size:14px;margin:0;}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-s);overflow:hidden;transition:border-color .22s ease,background-color .22s ease;}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item[open]{border-color:rgba(255,47,69,.34);background:var(--panel-2);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;gap:14px;
 font-weight:700;font-size:15.5px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
 margin-left:auto;color:var(--dim);font-size:12px;transition:transform .24s ease,color .24s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--red);}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.85;}
/* ---------- 转化区 ---------- */
.cta-band{
 background:linear-gradient(135deg,rgba(255,47,69,.14),rgba(75,141,255,.08)),var(--panel);
 border:1px solid rgba(255,47,69,.26);border-radius:var(--radius-l);padding:44px;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.cta-grid h2{font-size:clamp(21px,2.3vw,29px);margin:14px 0 12px;line-height:1.36;}
.cta-grid .lead{color:var(--muted);font-size:15.3px;}
.cta-points{margin-top:22px;display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;color:var(--muted);font-size:14.3px;}
.cta-points i{color:var(--red);font-size:12px;margin-top:6px;flex-shrink:0;}
.form-card{background:rgba(9,11,17,.62);border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
.form-card h3{font-size:16.5px;margin-bottom:18px;}
.form-row{display:grid;gap:12px;margin-bottom:14px;}
.field-input{
 width:100%;height:auto;margin:0;
 background:rgba(255,255,255,.04);
 border:1px solid var(--line-strong);
 border-radius:var(--radius-s);
 padding:12px 15px;
 font-size:14.5px;color:var(--text);
 box-shadow:none;
 transition:border-color .22s ease,background-color .22s ease;
}
.field-input::placeholder{color:var(--dim);}
.field-input:focus{outline:none;border-color:var(--red);background:rgba(255,47,69,.08);}
select.field-input{
 appearance:none;-webkit-appearance:none;
 padding-right:38px;
 background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2398a1b3'%3E%3Cpath d='M8 11L3 5.5h10z'/%3E%3C/svg%3E");
 background-repeat:no-repeat;background-position:right 14px center;background-size:14px;
}
select.field-input option{background:#12161f;color:var(--text);}
.form-tip{color:var(--dim);font-size:12.8px;margin-top:12px;line-height:1.7;}
/* ---------- 页脚 ---------- */
.site-footer{background:linear-gradient(180deg,var(--bg-soft),#070910);border-top:1px solid var(--line);padding:64px 0 26px;margin-top:10px;}
.footer-grid{display:grid;grid-template-columns:1.45fr .85fr .85fr .85fr;gap:34px;padding-bottom:38px;border-bottom:1px solid var(--line);}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14px;max-width:370px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-col h5{font-size:14.5px;letter-spacing:1px;margin-bottom:14px;color:#fff;}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul a{color:var(--muted);font-size:14px;}
.footer-col ul a:hover{color:var(--red);}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;color:var(--dim);font-size:13px;line-height:1.7;}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .nav-menu{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:rgba(12,15,22,.98);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:10px;box-shadow:var(--shadow);display:none;
 }
 .nav-menu.open{display:flex;}
 .nav-menu a{padding:12px 14px;font-size:15px;}
 .nav-toggle{display:inline-flex;}
 .hero{padding:130px 0 58px;}
 .hero-inner{grid-template-columns:1fr;gap:36px;}
 .hero-lead{max-width:none;}
 .stat-strip{grid-template-columns:repeat(2,1fr);}
 .timeline{grid-template-columns:repeat(2,1fr);gap:22px;}
 .timeline::before{display:none;}
 .api-grid{grid-template-columns:1fr;}
 .cta-grid{grid-template-columns:1fr;gap:28px;}
 .cta-band{padding:34px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
 .section{padding:62px 0;}
 .section-tight{padding:48px 0;}
 .nav-search{display:none;}
 .rule-list{grid-template-columns:1fr;}
 .hero h1{font-size:26px;}
 .hero-lead{font-size:15.5px;}
 .code-body pre{font-size:12px;}
 .footer-grid{grid-template-columns:1fr;}
 .footer-bottom{flex-direction:column;gap:8px;}
 .cta-band{padding:26px;}
 .form-card{padding:20px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .f-grid{margin:0 -8px;}
 .f-grid > .cell{padding:0 8px;margin-bottom:18px;}
 .stat-strip{grid-template-columns:1fr;}
 .timeline{grid-template-columns:1fr;}
 .hero-actions .btn{width:100%;}
 .brand-sub{display:none;}
 .code-head{flex-wrap:wrap;}
 .code-head .tag{margin-left:0;}
}

/* roulang page: category3 */
:root{
  --bg:#080a0f;
  --bg-soft:#0c0f16;
  --panel:#12161f;
  --panel-2:#171c27;
  --panel-3:#1d2330;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --text:#edf0f7;
  --muted:#98a1b3;
  --dim:#6d768a;
  --red:#ff2f45;
  --red-deep:#c8162b;
  --red-soft:rgba(255,47,69,.12);
  --amber:#ffab3d;
  --green:#2fe0a4;
  --blue:#4b8dff;
  --radius-xs:8px;
  --radius-s:12px;
  --radius:18px;
  --radius-l:26px;
  --shadow-s:0 6px 18px rgba(0,0,0,.32);
  --shadow:0 18px 44px rgba(0,0,0,.46);
  --shadow-red:0 14px 34px rgba(255,47,69,.26);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 82% -8%,rgba(255,47,69,.10),transparent 62%),
    radial-gradient(900px 480px at 8% 4%,rgba(75,141,255,.08),transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{color:var(--text);margin:0;font-weight:800;line-height:1.34;letter-spacing:.3px;}
p{margin:0 0 14px;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
a:hover{color:var(--red);}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--red);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 22px;
}
.container-wide{max-width:1340px;}
/* ---------- 通用元素 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--muted);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 13px;
}
.eyebrow i{color:var(--red);font-size:11px;}
.section{padding:88px 0;position:relative;}
.section-tight{padding:64px 0;}
.section-alt{
  background:rgba(12,15,22,.6);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{margin-bottom:38px;max-width:780px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:clamp(22px,2.5vw,32px);
  line-height:1.34;
  letter-spacing:.4px;
  margin:14px 0 12px;
  font-weight:800;
}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.section-head p + p{margin-top:10px;}
.split-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;flex-wrap:wrap;margin-bottom:38px;
}
.split-head .section-head{margin-bottom:0;}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;
  border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  color:#fff;
  box-shadow:var(--shadow-red);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,47,69,.36);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--red);color:#fff;}
.btn-line{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--muted);
  padding:9px 18px;
  font-size:13.5px;
  font-weight:600;
}
.btn-line:hover{color:#fff;border-color:var(--red);background:var(--red-soft);}
.btn-block{width:100%;}
/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.6px;
  padding:4px 11px;border-radius:999px;
  background:var(--red-soft);color:#ff8b98;border:1px solid rgba(255,47,69,.28);
}
.tag-amber{background:rgba(255,171,61,.12);color:#ffc477;border-color:rgba(255,171,61,.28);}
.tag-green{background:rgba(47,224,164,.12);color:#71e9bf;border-color:rgba(47,224,164,.26);}
.tag-blue{background:rgba(75,141,255,.12);color:#8db4ff;border-color:rgba(75,141,255,.26);}
.tag-plain{background:rgba(255,255,255,.05);color:var(--muted);border-color:var(--line);}
/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  padding:14px 0;
  background:rgba(8,10,15,.42);
  border-bottom:1px solid rgba(255,255,255,.07);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  transition:background-color .3s ease,border-color .3s ease,padding .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(9,11,17,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
  padding:9px 0;
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--red),#8d0f1f);
  box-shadow:0 8px 20px rgba(255,47,69,.32);
  font-weight:900;font-size:15px;color:#fff;letter-spacing:-.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-weight:800;font-size:18px;letter-spacing:.6px;}
.brand-sub{font-size:11px;color:var(--dim);letter-spacing:1.4px;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  display:inline-block;
  font-size:14.5px;font-weight:600;
  color:var(--muted);
  padding:8px 14px;border-radius:10px;
  border:1px solid transparent;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-menu a.active{color:#fff;background:rgba(255,47,69,.14);border-color:rgba(255,47,69,.3);}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 14px;
  transition:border-color .22s ease,background-color .22s ease;
}
.nav-search:focus-within{border-color:var(--red);background:rgba(255,47,69,.08);}
.nav-search i{color:var(--dim);font-size:13px;}
.nav-search input{
  background:transparent;border:0;outline:none;
  width:118px;font-size:13.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--dim);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);color:var(--text);
  width:42px;height:42px;border-radius:11px;cursor:pointer;
  font-size:16px;
}
.nav-toggle:hover{border-color:var(--red);color:var(--red);}
/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;
  padding:158px 0 78px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(880px 420px at 78% -6%,rgba(255,47,69,.14),transparent 62%),
    radial-gradient(700px 400px at 2% 12%,rgba(75,141,255,.09),transparent 60%),
    linear-gradient(180deg,rgba(13,16,24,.95),rgba(8,10,15,.65));
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.028) 0 1px,transparent 1px 74px);
  opacity:.55;
}
.breadcrumb{
  display:flex;align-items:center;gap:9px;
  font-size:13px;color:var(--dim);margin-bottom:20px;
  position:relative;z-index:2;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--red);}
.breadcrumb i{font-size:10px;color:var(--dim);}
.hero-copy{position:relative;z-index:2;padding-right:26px;}
.hero-title{
  font-size:clamp(29px,3.7vw,47px);
  line-height:1.2;
  letter-spacing:.5px;
  margin:18px 0 18px;
}
.hero-title em{
  font-style:normal;
  color:var(--red);
  text-shadow:0 0 34px rgba(255,47,69,.4);
}
.hero-lead{
  color:var(--muted);font-size:16px;line-height:1.9;
  max-width:560px;margin-bottom:0;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.kpi-row{
  display:flex;flex-wrap:wrap;gap:26px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
}
.kpi{min-width:118px;}
.kpi-num{font-size:26px;font-weight:900;color:#fff;letter-spacing:.6px;line-height:1.2;}
.kpi-num span{font-size:14px;color:var(--red);margin-left:2px;}
.kpi-label{font-size:12.5px;color:var(--dim);letter-spacing:.8px;margin-top:2px;}
.hero-media{position:relative;z-index:2;}
.hero-panel{
  position:relative;
  background:linear-gradient(160deg,rgba(24,29,41,.96),rgba(13,16,23,.97));
  border:1px solid var(--line-strong);
  border-radius:var(--radius-l);
  padding:28px 26px 24px;
  box-shadow:var(--shadow);
  transform:rotate(-1.1deg) translateY(6px);
}
.hero-panel::before{
  content:"";position:absolute;left:26px;top:0;width:70px;height:3px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--red),transparent);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.panel-head h2{font-size:17px;letter-spacing:.5px;}
.panel-state{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:#71e9bf;letter-spacing:.7px;
}
.dot-live{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(47,224,164,.16);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.5;transform:scale(.86);}
}
.panel-list{margin-top:20px;display:grid;gap:12px;}
.panel-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:15px 17px;
  transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.panel-item:hover{border-color:rgba(255,47,69,.42);background:rgba(255,47,69,.06);transform:translateX(4px);}
.panel-left{display:flex;flex-direction:column;gap:3px;}
.panel-name{font-weight:700;font-size:15px;}
.panel-tag{font-size:12px;color:var(--dim);letter-spacing:.5px;}
.panel-metric{text-align:right;font-size:15.5px;font-weight:800;color:#fff;line-height:1.3;}
.panel-metric em{display:block;font-style:normal;font-size:11.5px;color:var(--dim);font-weight:600;letter-spacing:.4px;}
.panel-foot{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--dim);display:flex;align-items:center;gap:8px;
}
.panel-foot i{color:var(--red);}
/* ---------- 赛道状态条 ---------- */
.strip-bar{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(23,28,39,.92),rgba(13,16,23,.92));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:20px 24px;
  box-shadow:var(--shadow-s);
}
.strip-label{
  display:flex;align-items:center;gap:9px;
  font-size:14.5px;font-weight:800;letter-spacing:.5px;white-space:nowrap;
}
.strip-label i{color:var(--red);}
.strip-tags{display:flex;flex-wrap:wrap;gap:10px;}
.strip-tag{
  font-size:13px;color:var(--muted);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px;
  transition:color .22s ease,border-color .22s ease,background-color .22s ease;
  cursor:default;
}
.strip-tag:hover{color:#fff;border-color:rgba(255,47,69,.45);background:var(--red-soft);}
/* ---------- 案例卡片 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.case-card{
  position:relative;
  display:flex;flex-direction:column;gap:14px;
  background:linear-gradient(165deg,rgba(23,28,39,.94),rgba(17,21,30,.94));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:24px 24px 22px;
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.case-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--red),rgba(255,47,69,0));
  opacity:.75;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line-strong);}
.case-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.case-title{font-size:17.5px;line-height:1.5;letter-spacing:.3px;margin:0;}
.case-desc{color:var(--muted);font-size:14.3px;line-height:1.85;margin:0;}
.case-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
  padding:14px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.metric-value{font-size:17px;font-weight:900;color:#fff;letter-spacing:.3px;line-height:1.3;}
.metric-label{font-size:11.5px;color:var(--dim);letter-spacing:.5px;margin-top:2px;}
.case-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--dim);margin-top:auto;
}
.case-foot i{color:var(--red);font-size:11px;}
/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
}
.stat-item{background:rgba(10,13,19,.94);padding:32px 26px;transition:background-color .25s ease;}
.stat-item:hover{background:rgba(255,47,69,.07);}
.stat-num{font-size:clamp(26px,3vw,38px);font-weight:900;color:#fff;letter-spacing:.5px;line-height:1.15;}
.stat-num i{font-style:normal;font-size:14px;color:var(--red);margin-left:3px;font-weight:800;}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:6px;letter-spacing:.5px;}
.stat-sub{font-size:12px;color:var(--dim);margin-top:4px;}
/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:18px;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--red),rgba(255,47,69,.06));
}
.tl-item{position:relative;padding-left:62px;}
.tl-dot{
  position:absolute;left:8px;top:8px;
  width:24px;height:24px;border-radius:50%;
  background:var(--panel-3);
  border:2px solid var(--red);
  display:grid;place-items:center;
  font-size:11px;font-weight:800;color:#fff;
  box-shadow:0 0 0 5px rgba(255,47,69,.1);
}
.tl-card{
  background:rgba(255,255,255,.032);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px 22px;
  transition:border-color .22s ease,background-color .22s ease;
}
.tl-card:hover{border-color:rgba(255,47,69,.4);background:rgba(255,47,69,.045);}
.tl-week{font-size:12.5px;color:var(--red);font-weight:800;letter-spacing:1.2px;}
.tl-card h3{font-size:17px;margin:7px 0 8px;}
.tl-card p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.85;}
/* ---------- 赛道对照 ---------- */
.lane-list{display:grid;gap:12px;}
.lane-row{
  display:grid;grid-template-columns:170px 1fr 150px 200px;
  gap:18px;align-items:center;
  background:rgba(255,255,255,.032);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:17px 22px;
  transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.lane-row:hover{border-color:rgba(255,47,69,.42);background:rgba(255,47,69,.05);transform:translateX(4px);}
.lane-name{font-weight:800;font-size:15.5px;display:flex;align-items:center;gap:9px;}
.lane-name i{color:var(--red);font-size:12px;}
.lane-desc{color:var(--muted);font-size:14px;}
.lane-range{font-size:14px;color:#fff;font-weight:700;}
.lane-range em{display:block;font-style:normal;font-size:11.5px;color:var(--dim);font-weight:600;letter-spacing:.5px;}
.lane-material{font-size:13px;color:var(--dim);}
/* ---------- 评价 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote-card{
  background:linear-gradient(170deg,rgba(22,27,38,.94),rgba(15,19,27,.94));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:26px 24px;
  display:flex;flex-direction:column;gap:16px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.quote-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-s);}
.quote-mark{font-size:22px;color:rgba(255,47,69,.55);line-height:1;}
.quote-text{font-size:15px;line-height:1.9;color:var(--text);margin:0;}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.quote-avatar{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(255,47,69,.9),rgba(141,15,31,.9));
  font-weight:800;font-size:14px;color:#fff;
}
.quote-meta{display:flex;flex-direction:column;line-height:1.35;}
.quote-name{font-weight:700;font-size:14.5px;}
.quote-role{font-size:12px;color:var(--dim);}
/* ---------- 等级 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.tier-card{
  background:rgba(255,255,255,.032);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:26px 22px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tier-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-s);}
.tier-card.featured{
  background:linear-gradient(165deg,rgba(255,47,69,.14),rgba(17,21,30,.95));
  border-color:rgba(255,47,69,.4);
  box-shadow:var(--shadow-red);
}
.tier-name{font-size:17px;font-weight:800;letter-spacing:.4px;}
.tier-fit{font-size:13px;color:var(--muted);line-height:1.8;margin:0;}
.tier-list{display:grid;gap:9px;margin-top:2px;}
.tier-list li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--muted);line-height:1.7;}
.tier-list i{color:var(--green);font-size:12px;margin-top:6px;flex-shrink:0;}
.tier-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;letter-spacing:.8px;color:#ff8b98;
  background:var(--red-soft);border:1px solid rgba(255,47,69,.3);
  border-radius:999px;padding:3px 10px;align-self:flex-start;
}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{
  background:rgba(255,255,255,.032);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .22s ease,background-color .22s ease;
}
.faq-item[open]{border-color:rgba(255,47,69,.42);background:rgba(255,47,69,.05);}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;
  font-weight:700;font-size:16px;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:#fff;}
.faq-item summary::after{
  content:"+";color:var(--red);font-size:20px;font-weight:600;line-height:1;
  transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.8px;line-height:1.9;}
/* ---------- 转化区 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(255,47,69,.18),rgba(12,15,22,.94) 58%);
  border:1px solid rgba(255,47,69,.34);
  border-radius:var(--radius-l);
  padding:46px 44px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:38px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,47,69,.22),transparent 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(23px,2.6vw,33px);line-height:1.32;margin:14px 0 14px;}
.cta-copy p{color:var(--muted);font-size:15.5px;line-height:1.9;max-width:460px;}
.cta-points{display:grid;gap:9px;margin-top:20px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--muted);}
.cta-points i{color:var(--red);font-size:12px;margin-top:7px;flex-shrink:0;}
.join-form{
  position:relative;z-index:2;
  background:rgba(9,11,17,.72);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  display:grid;gap:13px;
}
.join-form .field{display:grid;gap:6px;}
.join-form label{font-size:12.5px;color:var(--muted);letter-spacing:.6px;}
.join-form input,.join-form select,.join-form textarea{
  width:100%;
  background:rgba(6,8,13,.85);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-s);
  padding:11px 14px;
  font-size:14.5px;color:var(--text);
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.join-form textarea{resize:vertical;min-height:76px;}
.join-form input:focus,.join-form select:focus,.join-form textarea:focus{
  border-color:var(--red);
  background:rgba(12,15,22,.95);
  box-shadow:0 0 0 3px rgba(255,47,69,.15);
}
.join-form input::placeholder,.join-form textarea::placeholder{color:var(--dim);}
.form-note{
  display:none;
  font-size:13.5px;color:#71e9bf;
  background:rgba(47,224,164,.1);
  border:1px solid rgba(47,224,164,.3);
  border-radius:var(--radius-s);
  padding:10px 14px;
}
.form-note.show{display:block;}
.form-hint{font-size:12px;color:var(--dim);text-align:center;margin:0;}
/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  padding:70px 0 26px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,15,22,.6),rgba(8,10,15,.98));
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{color:var(--muted);font-size:14.5px;line-height:1.9;margin:16px 0 18px;max-width:370px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;}
.footer-col h5{font-size:15px;margin-bottom:16px;letter-spacing:.6px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:var(--muted);font-size:14px;}
.footer-col ul a:hover{color:#fff;}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--dim);font-size:13px;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:3px;
    background:rgba(9,11,17,.98);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:14px 20px 20px;
    display:none;
    box-shadow:0 20px 40px rgba(0,0,0,.5);
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{padding:12px 12px;border-radius:10px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .page-hero{padding:136px 0 66px;}
  .hero-copy{padding-right:0;}
  .hero-panel{transform:none;margin-top:38px;}
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .tier-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px 30px;gap:28px;}
  .lane-row{grid-template-columns:1fr 1fr;gap:8px 18px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .section{padding:62px 0;}
  .section-tight{padding:50px 0;}
  .page-hero{padding:124px 0 54px;}
  .hero-title{font-size:clamp(26px,7vw,34px);}
  .brand-sub{display:none;}
  .case-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .tier-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .lane-row{grid-template-columns:1fr;gap:6px;}
  .lane-name{font-size:16px;}
  .kpi-row{gap:20px;}
  .kpi{min-width:104px;}
  .split-head{align-items:flex-start;flex-direction:column;gap:14px;}
  .cta-band{padding:28px 22px;}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .cta-band .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .strip-bar{padding:16px 18px;gap:14px;}
  .case-metrics{grid-template-columns:1fr 1fr;}
  .hero-panel{padding:22px 18px 18px;}
  .panel-item{flex-direction:column;align-items:flex-start;gap:8px;}
  .panel-metric{text-align:left;}
}