/* roulang page: index */
:root{
  --bg-base:#050A14;
  --bg-elev:#0A1220;
  --bg-elev2:#0C1728;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(140,180,255,.14);
  --brand:#2D7BFF;
  --brand-400:#5A9CFF;
  --brand-700:#1B4FCC;
  --cyan:#22D3C5;
  --cyan-700:#12998F;
  --amber:#FFB454;
  --t1:#EAF1FF;
  --t2:#A8B8D0;
  --t3:#6B7C99;
  --line:rgba(140,180,255,.12);
  --glow:0 0 0 1px rgba(45,123,255,.35), 0 10px 34px rgba(45,123,255,.32);
  --shadow-soft:0 8px 24px rgba(0,0,0,.35);
  --radius-card:16px;
  --radius-sm:12px;
  --radius-lg:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--t2);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:600;line-height:1.3;}
p{margin:0;}
::selection{background:rgba(45,123,255,.35);color:#fff;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#070D1A;}
::-webkit-scrollbar-thumb{background:#1B2B45;border-radius:999px;border:2px solid #070D1A;}
::-webkit-scrollbar-thumb:hover{background:#28405f;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:.02em;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(5,10,20,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;
  background-image:linear-gradient(rgba(5,10,20,.82),rgba(5,10,20,.82)),
    linear-gradient(90deg,transparent,rgba(140,180,255,.35),transparent);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.nav-inner{height:64px;display:flex;align-items:center;gap:24px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:26px;height:26px;border-radius:9px;
  background:linear-gradient(135deg,rgba(45,123,255,.9),rgba(34,211,197,.9));
  box-shadow:0 0 18px rgba(45,123,255,.45);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:6px;border-radius:5px;
  background:var(--bg-base);
}
.logo-text{font-size:16px;font-weight:700;color:var(--t1);letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-link{
  position:relative;font-size:14.5px;color:var(--t2);padding:6px 0;
  transition:color .18s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-16px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  opacity:0;transform:scaleX(.4);transition:.2s ease;
}
.nav-link:hover{color:var(--t1);}
.nav-link.active{color:var(--t1);}
.nav-link.active::after,.nav-link:hover::after{opacity:1;transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:38px;padding:0 14px;
  border-radius:999px;background:var(--glass);
  border:1px solid var(--glass-border);
  transition:.2s ease;
}
.search-box svg{flex:none;color:var(--t3);}
.search-box input{
  background:transparent;border:0;outline:none;width:100%;font-size:14px;color:var(--t1);
}
.search-box input::placeholder{color:var(--t3);}
.search-box:focus-within{border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(45,123,255,.16);}
.link-login{font-size:14.5px;color:var(--t2);transition:color .18s ease;}
.link-login:hover{color:var(--t1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:14.5px;font-weight:600;cursor:pointer;
  border:1px solid transparent;padding:10px 22px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,filter .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-700));
  color:#fff;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(90,156,255,.5),0 14px 38px rgba(45,123,255,.42);}
.btn-primary:active{filter:brightness(.94);transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.02);
  border-color:var(--glass-border);
  color:var(--t1);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--brand-400);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:8px 18px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:15.5px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-border);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;position:relative;transition:.2s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:.2s;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.open span{background:transparent;}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg);}
.drawer{
  position:fixed;inset:0;z-index:60;background:rgba(5,10,20,.97);
  backdrop-filter:blur(18px);padding:76px 20px 40px;
  transform:translateX(100%);transition:transform .26s ease;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer .search-box{width:100%;margin-bottom:22px;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  padding:16px 4px;border-bottom:1px solid var(--line);
  font-size:16px;color:var(--t1);font-weight:500;
}
.drawer-links a.active{color:var(--brand-400);}
.drawer-cta{display:grid;gap:12px;margin-top:26px;}
.drawer-cta .btn{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center 30%;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(60% 55% at 12% 8%, rgba(45,123,255,.34), transparent 62%),
    radial-gradient(48% 48% at 92% 88%, rgba(34,211,197,.20), transparent 65%),
    linear-gradient(rgba(5,10,20,.72),rgba(5,10,20,.88));
}
.hero-grid-lines{
  position:absolute;inset:0;pointer-events:none;opacity:.045;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
}
.hero-inner{position:relative;padding:84px 0 44px;}
.hero-cols{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--cyan);
  border:1px solid rgba(34,211,197,.32);
  background:rgba(34,211,197,.07);
  padding:5px 14px;border-radius:999px;margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
h1.hero-title{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:700;line-height:1.22;color:var(--t1);
  max-width:15em;
}
.hero-sub{margin-top:18px;font-size:16.5px;color:var(--t2);max-width:34em;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--t1);
  background:var(--glass);border:1px solid rgba(34,211,197,.30);
  padding:6px 14px;border-radius:999px;
  backdrop-filter:blur(10px);
}
.pill svg{color:var(--cyan);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{margin-top:18px;font-size:13px;color:var(--t3);}

/* 会员卡可视化 */
.member-card{
  position:relative;
  border-radius:var(--radius-lg);
  padding:26px;
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--glass-border);
  backdrop-filter:blur(18px);
  box-shadow:0 24px 60px rgba(0,0,0,.5);
  transform:rotate(-1.2deg);
  overflow:hidden;
}
.member-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--brand-400),var(--cyan),transparent);
}
.mc-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;}
.mc-label{font-size:12.5px;color:var(--t3);letter-spacing:.08em;}
.mc-tier{margin-top:6px;font-size:26px;color:var(--t1);font-weight:700;}
.tag-official{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:#2A1B00;font-weight:700;
  background:linear-gradient(135deg,#FFD08A,var(--amber));
  padding:4px 12px;border-radius:999px;white-space:nowrap;
}
.mc-rows{margin-top:22px;display:grid;gap:10px;}
.mc-row{display:flex;justify-content:space-between;font-size:13.5px;color:var(--t2);padding-bottom:10px;border-bottom:1px dashed rgba(140,180,255,.14);}
.mc-row:last-child{border-bottom:0;padding-bottom:0;}
.mc-row b{color:var(--t1);font-weight:600;}
.progress-wrap{margin-top:22px;}
.progress-head{display:flex;justify-content:space-between;font-size:12.5px;color:var(--t3);margin-bottom:8px;}
.progress-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.progress-fill{
  height:100%;width:72%;border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  box-shadow:0 0 16px rgba(34,211,197,.5);
}
.mc-foot{margin-top:20px;display:flex;gap:10px;}
.mc-chip{
  font-size:12px;color:var(--t2);
  border:1px solid var(--line);border-radius:10px;
  padding:6px 12px;background:rgba(255,255,255,.02);
}

/* 数据条 */
.stat-strip{
  position:relative;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:22px 0;margin-top:56px;
}
.stat-item{padding:0 20px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:26px;color:var(--t1);font-variant-numeric:tabular-nums;font-weight:700;}
.stat-num em{font-style:normal;font-size:14px;color:var(--cyan);margin-left:4px;}
.stat-desc{font-size:13px;color:var(--t3);margin-top:4px;}

/* ============ 通用板块 ============ */
.section{padding:112px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(22px,2.4vw,30px);font-weight:600;color:var(--t1);
  padding-left:14px;position:relative;line-height:1.3;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.section-desc{font-size:14.5px;color:var(--t2);margin-top:12px;padding-left:14px;max-width:60ch;}
.text-link{font-size:14px;color:var(--brand-400);transition:color .18s ease;white-space:nowrap;}
.text-link:hover{color:var(--cyan);}

/* 权益对比表 */
.table-wrap{
  border-radius:18px;border:1px solid var(--glass-border);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  overflow:hidden;
}
table.benefit{width:100%;border-collapse:collapse;font-size:14.5px;}
table.benefit thead th{
  position:sticky;top:64px;z-index:5;
  background:rgba(11,19,34,.94);
  backdrop-filter:blur(14px);
  color:var(--t1);font-weight:600;font-size:14px;
  padding:18px 16px;text-align:center;border-bottom:1px solid var(--line);
}
table.benefit thead th:first-child{text-align:left;padding-left:26px;}
table.benefit tbody td{
  padding:16px;text-align:center;border-bottom:1px solid rgba(140,180,255,.08);
  color:var(--t2);height:56px;
}
table.benefit tbody td:first-child{text-align:left;padding-left:26px;color:var(--t1);}
table.benefit tbody tr:nth-child(odd){background:rgba(255,255,255,.02);}
table.benefit tbody tr:nth-child(even){background:rgba(255,255,255,.05);}
table.benefit tbody tr:last-child td{border-bottom:0;}
.col-feature{
  position:relative;
  background:rgba(45,123,255,.09)!important;
  color:var(--t1)!important;
}
.col-feature::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
}
th.col-feature{box-shadow:inset 0 -1px 0 rgba(45,123,255,.35);}
.th-inner{display:inline-flex;align-items:center;gap:8px;justify-content:center;}
.ic-yes{color:var(--cyan);font-size:17px;line-height:1;}
.ic-no{color:var(--t3);font-size:15px;line-height:1;}
.badge-mini{
  font-size:11px;color:#2A1B00;font-weight:700;background:linear-gradient(135deg,#FFD08A,var(--amber));
  border-radius:999px;padding:2px 8px;
}
.table-cards{display:none;}
@media (max-width:640px){
  .table-wrap{display:none;}
  .table-cards{display:grid;gap:14px;}
  .tc-item{
    border-radius:14px;border:1px solid var(--glass-border);
    background:var(--glass);padding:18px;
  }
  .tc-item h4{font-size:15px;color:var(--t1);margin-bottom:14px;}
  .tc-rows{display:grid;gap:10px;}
  .tc-row{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;}
  .tc-row span:first-child{color:var(--t2);}
  .tc-flags{display:flex;gap:14px;}
}

/* 等级亮点卡 */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:stretch;}
.tier-card{
  position:relative;border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid var(--glass-border);
  padding:26px 22px;overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tier-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));opacity:.5;
}
.tier-card .watermark{
  position:absolute;top:8px;right:14px;font-size:56px;font-weight:700;
  color:var(--brand-400);opacity:.13;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.tier-card:hover{transform:translateY(-4px);border-color:rgba(90,156,255,.4);}
.tier-card.featured{
  transform:scale(1.05);
  border-color:rgba(90,156,255,.45);
  box-shadow:var(--glow);
}
.tier-card.featured:hover{transform:scale(1.05) translateY(-4px);}
.tier-card.featured::before{opacity:1;}
.tier-badge{
  position:absolute;top:-1px;left:22px;
  font-size:11px;font-weight:700;color:#2A1B00;
  background:linear-gradient(135deg,#FFD08A,var(--amber));
  padding:3px 12px;border-radius:0 0 10px 10px;
}
.tier-name{font-size:19px;color:var(--t1);font-weight:600;}
.tier-sub{margin-top:8px;font-size:13.5px;color:var(--t3);}
.tier-points{margin-top:18px;display:grid;gap:10px;}
.tier-points li{display:flex;gap:9px;font-size:14px;color:var(--t2);line-height:1.6;}
.tier-points li i{
  flex:none;width:6px;height:6px;border-radius:50%;margin-top:9px;
  background:var(--cyan);box-shadow:0 0 8px rgba(34,211,197,.7);
}
.tier-foot{margin-top:22px;}

/* 专属内容预览 */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.content-card{
  position:relative;border-radius:var(--radius-card);
  border:1px solid var(--glass-border);background:var(--bg-elev2);
  overflow:hidden;display:block;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.content-card:hover{transform:translateY(-4px);border-color:rgba(90,156,255,.4);}
.content-card .thumb{position:relative;overflow:hidden;background:rgba(255,255,255,.04);}
.content-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.content-card:hover .thumb img{transform:scale(1.03);}
.content-card.big .thumb{aspect-ratio:16/9;}
.content-card.small{display:grid;grid-template-columns:150px 1fr;}
.content-card.small .thumb{aspect-ratio:4/3;height:100%;}
.thumb::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:64px;
  background:linear-gradient(180deg,transparent,rgba(5,10,20,.92));
}
.tier-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:11.5px;color:var(--cyan);
  border:1px solid rgba(34,211,197,.42);background:rgba(5,10,20,.7);
  padding:4px 10px;border-radius:999px;backdrop-filter:blur(8px);
}
.card-body{padding:18px 20px 20px;}
.cat-chip{
  display:inline-block;font-size:11.5px;color:var(--brand-400);
  background:rgba(45,123,255,.12);border-radius:999px;padding:3px 10px;
}
.card-title{margin-top:10px;font-size:16px;color:var(--t1);font-weight:600;line-height:1.5;}
.card-text{margin-top:8px;font-size:13.5px;color:var(--t2);line-height:1.7;}
.card-meta{margin-top:12px;font-size:12.5px;color:var(--t3);display:flex;gap:14px;}
.side-stack{display:grid;gap:24px;align-content:start;}

/* 最新信息列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-card);
  border:1px solid var(--glass-border);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  padding:22px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(90,156,255,.4);box-shadow:var(--shadow-soft);}
.news-card .card-title{font-size:16.5px;}
.news-card:hover .card-title{color:var(--brand-400);}
.news-card .card-text{
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .card-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  border-radius:var(--radius-card);border:1px dashed var(--glass-border);background:var(--glass);
}
.empty-state svg{color:var(--brand-400);margin:0 auto 14px;}
.empty-state p{font-size:14.5px;color:var(--t2);margin-bottom:16px;}

/* 社会认同 5/7 */
.proof-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch;}
.quote-block{
  border-radius:var(--radius-lg);padding:30px;
  border:1px solid var(--glass-border);
  background:linear-gradient(150deg,rgba(45,123,255,.12),rgba(255,255,255,.02));
  position:relative;
}
.quote-block::before{
  content:"“";position:absolute;top:6px;left:20px;font-size:64px;color:var(--brand-400);opacity:.28;line-height:1;
}
.quote-block p{position:relative;font-size:16px;color:var(--t1);line-height:1.9;padding-top:22px;}
.quote-author{margin-top:20px;font-size:13px;color:var(--t3);display:flex;align-items:center;gap:10px;}
.quote-author img{width:36px;height:36px;border-radius:50%;object-fit:cover;}
.score-panel{
  border-radius:var(--radius-lg);padding:26px;
  border:1px solid var(--glass-border);background:var(--glass);
  display:grid;gap:18px;align-content:start;
}
.score-row{display:grid;grid-template-columns:120px 1fr 46px;align-items:center;gap:14px;font-size:13.5px;color:var(--t2);}
.score-track{height:6px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.score-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--cyan));}
.score-val{text-align:right;color:var(--t1);font-variant-numeric:tabular-nums;font-weight:600;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  border-radius:14px;border:1px solid var(--glass-border);
  background:var(--glass);overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(90,156,255,.42);background:rgba(255,255,255,.06);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;color:var(--t1);font-weight:600;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
  opacity:0;transition:.2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-sign{
  flex:none;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--glass-border);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-400);font-size:15px;transition:transform .2s ease,color .2s ease;
}
.faq-item[open] .faq-sign{transform:rotate(45deg);color:var(--cyan);}
.faq-body{padding:0 24px 22px 24px;font-size:15px;color:var(--t2);line-height:1.9;}

/* CTA */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--glass-border);
  padding:64px 40px;text-align:center;
  background:
    radial-gradient(70% 120% at 50% 0%, rgba(45,123,255,.24), transparent 70%),
    radial-gradient(50% 90% at 85% 100%, rgba(34,211,197,.16), transparent 70%),
    var(--bg-elev);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);color:var(--t1);}
.cta-panel p{max-width:56ch;margin:16px auto 0;font-size:15.5px;color:var(--t2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px;}

/* 页脚 */
.site-footer{margin-top:112px;border-top:1px solid var(--line);background:var(--bg-elev);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--t3);line-height:1.9;max-width:34ch;}
.footer-col h4{font-size:14px;color:var(--t1);margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:var(--t2);transition:color .18s ease;}
.footer-col a:hover{color:var(--brand-400);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--t2);margin-bottom:12px;}
.footer-contact svg{color:var(--brand-400);flex:none;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--t3);
}
.footer-bottom .domain{color:var(--t3);}

/* 进场动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1024px){
  .nav-links{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:flex;}
  .hero-inner{padding:64px 0 36px;}
  .hero-cols{grid-template-columns:1fr;gap:36px;}
  .member-card{transform:none;}
  .tier-grid{grid-template-columns:repeat(2,1fr);}
  .tier-card.featured{transform:none;}
  .tier-card.featured:hover{transform:translateY(-4px);}
  .feature-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .proof-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding-top:88px;}
  .site-footer{margin-top:88px;}
  table.benefit thead th{top:56px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);row-gap:20px;}
  .stat-item{border-right:0;padding:0 12px;}
  .stat-item:nth-child(odd){border-right:1px solid var(--line);}
  .section{padding-top:64px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .news-grid{grid-template-columns:1fr;}
  .content-card.small{grid-template-columns:110px 1fr;}
  .cta-panel{padding:48px 22px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:520px){
  .tier-grid{grid-template-columns:1fr;}
  .hero-inner{padding:52px 0 32px;}
  .footer-grid{grid-template-columns:1fr;}
  .stat-num{font-size:22px;}
  .content-card.small{grid-template-columns:1fr;}
  .content-card.small .thumb{aspect-ratio:16/9;}
  .score-row{grid-template-columns:88px 1fr 40px;}
}

/* roulang page: article */
:root{
  --bg-base:#050A14;
  --bg-elev:#0A1220;
  --bg-elev2:#0C1728;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.06);
  --glass-border:rgba(140,180,255,.14);
  --brand:#2D7BFF;
  --brand-400:#5A9CFF;
  --brand-700:#1B4FCC;
  --cyan:#22D3C5;
  --cyan-700:#12998F;
  --amber:#FFB454;
  --t1:#EAF1FF;
  --t2:#A8B8D0;
  --t3:#6B7C99;
  --line:rgba(140,180,255,.12);
  --glow:0 0 0 1px rgba(45,123,255,.35), 0 10px 34px rgba(45,123,255,.32);
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --r-sm:12px;
  --r:16px;
  --r-lg:20px;
  --max:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.85;
  color:var(--t2);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(680px 420px at 8% -6%, rgba(45,123,255,.20), transparent 66%),
    radial-gradient(620px 420px at 96% 8%, rgba(34,211,197,.13), transparent 68%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background-image:
    linear-gradient(rgba(140,180,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,180,255,.05) 1px, transparent 1px);
  background-size:24px 24px;
  opacity:.55;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--t2);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--brand-400);}
img{max-width:100%;display:block;}
button,input{font-family:inherit;font-size:inherit;}
button{border:0;background:none;cursor:pointer;color:inherit;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(45,123,255,.35);color:#fff;}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,12,24,.78);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(90,156,255,.55),transparent);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:24px;height:24px;border-radius:7px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--cyan) 100%);
  box-shadow:0 0 0 1px rgba(90,156,255,.4),0 6px 16px rgba(45,123,255,.4);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;border-radius:2px;
  background:rgba(5,10,20,.82);
}
.logo-text{font-size:17px;font-weight:700;color:var(--t1);letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:6px;}
.nav-link{
  position:relative;font-size:14.5px;color:var(--t2);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--t1);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:210px;padding:8px 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-border);
  color:var(--t3);transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search-box:focus-within{border-color:rgba(90,156,255,.6);box-shadow:0 0 0 3px rgba(45,123,255,.18);background:rgba(255,255,255,.06);}
.search-box input{
  width:100%;border:0;background:transparent;color:var(--t1);font-size:13.5px;outline:none;
}
.search-box input::placeholder{color:var(--t3);}
.link-login{font-size:14px;color:var(--t2);white-space:nowrap;}
.link-login:hover{color:var(--brand-400);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;letter-spacing:.01em;
  padding:12px 26px;font-size:15px;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  border:1px solid transparent;
}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-700) 100%);
  color:#fff;box-shadow:var(--glow);
}
.btn-primary:hover{color:#fff;filter:brightness(1.08);transform:translateY(-1px);}
.btn-primary:active{filter:brightness(.94);transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.02);color:var(--t1);border-color:var(--glass-border);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(90,156,255,.55);color:var(--t1);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--glass-border);background:var(--glass);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--t1);position:relative;transition:transform .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--t1);transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
body.nav-open .nav-toggle span{transform:rotate(45deg);}
body.nav-open .nav-toggle span::before{transform:rotate(-90deg) translateX(-5px);opacity:0;}
body.nav-open .nav-toggle span::after{transform:rotate(-90deg) translateX(5px);}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:56px 0 40px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(180deg,rgba(5,10,20,.72) 0%,rgba(5,10,20,.92) 100%),
    radial-gradient(520px 320px at 12% 0%, rgba(45,123,255,.28), transparent 70%),
    radial-gradient(480px 320px at 92% 100%, rgba(34,211,197,.16), transparent 72%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover,auto,auto,cover;
  background-position:center,center,center,center 30%;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:20px;}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand-400);}
.crumb .sep{color:rgba(140,180,255,.35);}
.crumb .cur{color:var(--t2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-size:clamp(26px,3.4vw,42px);line-height:1.28;font-weight:700;color:var(--t1);
  max-width:900px;letter-spacing:.01em;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--t3);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  border:1px solid rgba(34,211,197,.42);background:rgba(34,211,197,.09);color:#8CE9DF;
}
.badge-amber{border-color:rgba(255,180,84,.45);background:rgba(255,180,84,.10);color:var(--amber);}
.meta-row time,.meta-row .num{font-variant-numeric:tabular-nums;letter-spacing:.02em;font-weight:600;color:var(--t2);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(140,180,255,.35);}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;
  padding-top:56px;padding-bottom:24px;align-items:start;
}
.article-body{
  max-width:820px;font-size:17.5px;line-height:1.9;color:var(--t2);
}
.article-body > * + *{margin-top:1.15em;}
.article-body p{max-width:42em;}
.article-body h2{
  position:relative;font-size:25px;line-height:1.35;font-weight:600;color:var(--t1);
  margin-top:52px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.article-body h3{font-size:19px;font-weight:600;color:var(--t1);margin-top:34px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--t1);margin-top:24px;}
.article-body a{color:var(--brand-400);border-bottom:1px solid rgba(90,156,255,.4);}
.article-body a:hover{color:#9CC4FF;border-color:#9CC4FF;}
.article-body strong{color:var(--t1);font-weight:600;}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:1.4em;}
.article-body ul li,.article-body ol li{margin:.5em 0;}
.article-body ul li::marker{color:var(--cyan);}
.article-body ol{list-style:decimal;}
.article-body ol li::marker{color:var(--cyan);font-weight:600;font-variant-numeric:tabular-nums;}
.article-body ul{list-style:disc;}
.article-body img{border-radius:14px;margin:26px auto;box-shadow:var(--shadow);}
.article-body figure{margin:28px 0;}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px;}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--glass-border);border-left:3px solid var(--cyan);
  color:var(--t1);font-weight:400;
}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;border-radius:var(--r);overflow:hidden;}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:rgba(255,255,255,.05);color:var(--t1);font-weight:600;}
.article-body td{color:var(--t2);}
.article-body code{
  background:rgba(255,255,255,.07);padding:2px 7px;border-radius:6px;
  font-size:.92em;color:#9CE7DF;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;
  padding:64px 28px;border-radius:var(--r-lg);
  background:var(--glass);border:1px dashed var(--glass-border);
}
.empty-state svg{color:var(--brand-400);}
.empty-state h2{font-size:20px;color:var(--t1);}
.empty-state p{color:var(--t3);font-size:14.5px;}

/* 侧栏 */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  padding:22px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
}
.side-card h3{
  font-size:15px;font-weight:600;color:var(--t1);margin-bottom:14px;letter-spacing:.02em;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--cyan));}
.side-list li + li{margin-top:10px;}
.side-list a{display:block;font-size:14px;color:var(--t2);padding:8px 12px;border-radius:10px;border:1px solid transparent;}
.side-list a:hover{background:rgba(255,255,255,.05);border-color:var(--glass-border);color:var(--t1);}
.side-note{font-size:13px;color:var(--t3);line-height:1.75;margin-top:12px;}
.side-media{border-radius:14px;overflow:hidden;margin-bottom:14px;}
.side-media img{width:100%;height:132px;object-fit:cover;transition:transform .25s ease;}
.side-card:hover .side-media img{transform:scale(1.03);}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:48px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row .label{font-size:13px;color:var(--t3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  font-size:13px;color:var(--t2);background:var(--glass);border:1px solid var(--glass-border);
}
.tag:hover{color:var(--t1);border-color:rgba(90,156,255,.5);background:rgba(45,123,255,.10);}
.back-row{margin-top:26px;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-head{max-width:720px;margin-bottom:38px;}
.section-head h2{
  position:relative;font-size:clamp(22px,2.4vw,29px);font-weight:600;color:var(--t1);
  line-height:1.35;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.section-head p{margin-top:14px;font-size:15px;color:var(--t3);max-width:640px;}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r);background:var(--bg-elev2);
  border:1px solid var(--glass-border);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(90,156,255,.4);box-shadow:var(--shadow);}
.post-thumb{position:relative;overflow:hidden;background:rgba(255,255,255,.04);}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .28s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-tag{
  position:absolute;top:12px;left:12px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(5,10,20,.72);border:1px solid rgba(34,211,197,.42);color:#8CE9DF;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17px;font-weight:600;color:var(--t1);line-height:1.5;}
.post-body p{font-size:14px;color:var(--t2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{margin-top:auto;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.post-card:hover h3{color:var(--brand-400);}

/* CTA */
.cta-panel{
  position:relative;overflow:hidden;text-align:center;
  padding:64px 32px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(45,123,255,.16),rgba(34,211,197,.08) 70%,rgba(255,255,255,.02));
  border:1px solid rgba(90,156,255,.28);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 240px at 50% 0%, rgba(45,123,255,.30), transparent 70%);
  pointer-events:none;
}
.cta-panel h2{position:relative;font-size:clamp(21px,2.6vw,30px);font-weight:600;color:var(--t1);line-height:1.4;}
.cta-panel p{position:relative;margin:16px auto 0;max-width:600px;font-size:15px;color:var(--t2);}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:48px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,18,32,.6),rgba(5,10,20,.95));
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t3);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:16px;letter-spacing:.03em;}
.footer-col ul li + li{margin-top:10px;}
.footer-col a{font-size:14px;color:var(--t2);}
.footer-col a:hover{color:var(--brand-400);}
.footer-contact li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--t3);}
.footer-contact svg{flex-shrink:0;color:var(--brand-400);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0 30px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.footer-bottom .domain{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .search-box{width:170px;}
  .nav-links{gap:20px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(6,12,24,.97);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    padding:8px 24px 20px;
    display:none;
  }
  body.nav-open .nav-links{display:flex;}
  .nav-link{padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--brand-400);}
  .search-box,.link-login{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{gap:16px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;padding-top:44px;}
  .article-side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  .article-hero{padding:36px 0 30px;}
  .article-body{font-size:17px;}
  .article-body h2{font-size:21px;margin-top:40px;}
  .article-body h3{font-size:18px;margin-top:28px;}
  .cta-panel{padding:44px 20px;}
  .article-body table{display:block;overflow-x:auto;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .crumb .cur{max-width:220px;}
  .search-box{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg-base:#050A14;
  --bg-elev:#0A1220;
  --bg-elev2:#0C1728;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(140,180,255,.14);
  --brand:#2D7BFF;
  --brand-400:#5A9CFF;
  --brand-700:#1B4FCC;
  --cyan:#22D3C5;
  --cyan-700:#12998F;
  --amber:#FFB454;
  --t1:#EAF1FF;
  --t2:#A8B8D0;
  --t3:#6B7C99;
  --line:rgba(140,180,255,.12);
  --glow:0 0 0 1px rgba(45,123,255,.35), 0 10px 34px rgba(45,123,255,.32);
  --shadow-soft:0 8px 24px rgba(0,0,0,.35);
  --r-card:16px;
  --r-sm:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-base);color:var(--t2);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(900px 420px at 8% -6%,rgba(45,123,255,.16),transparent 65%),radial-gradient(760px 420px at 96% 12%,rgba(34,211,197,.10),transparent 68%);
  background-repeat:no-repeat;
}
h1,h2,h3,h4{color:var(--t1);margin:0;font-weight:600;line-height:1.32}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
img{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px}
::selection{background:rgba(45,123,255,.35);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#060C18}
::-webkit-scrollbar-thumb{background:rgba(90,156,255,.28);border-radius:999px;border:2px solid #060C18}
::-webkit-scrollbar-thumb:hover{background:rgba(90,156,255,.45)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(5,10,20,.82);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent 4%,rgba(140,180,255,.34) 50%,transparent 96%);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  position:relative;width:24px;height:24px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  box-shadow:0 0 16px rgba(45,123,255,.5);
}
.logo-mark::after{content:"";position:absolute;inset:6px;border-radius:4px;background:var(--bg-base)}
.logo-text{color:var(--t1);font-weight:700;font-size:16px;white-space:nowrap;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:6px}
.nav-link{position:relative;font-size:14.5px;color:var(--t2);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--t1)}
.nav-link.active{color:var(--t1);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;width:200px;padding:7px 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-border);color:var(--t3);transition:.2s ease;
}
.search-box:focus-within{border-color:rgba(45,123,255,.6);box-shadow:0 0 0 3px rgba(45,123,255,.15)}
.search-box input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:13.5px;color:var(--t1)}
.search-box input::placeholder{color:var(--t3)}
.link-login{font-size:14px;color:var(--t2);white-space:nowrap}
.link-login:hover{color:var(--brand-400)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-700));color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(90,156,255,.5),0 14px 40px rgba(45,123,255,.45)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94)}
.btn-ghost{background:rgba(255,255,255,.02);border:1px solid var(--glass-border);color:var(--t1)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(90,156,255,.6)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:8px 18px;font-size:13.5px}
.btn-lg{padding:13px 30px;font-size:15px}
.nav-toggle{
  display:none;position:relative;width:40px;height:40px;flex:none;
  border-radius:10px;border:1px solid var(--glass-border);background:var(--glass);
}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{
  content:"";position:absolute;left:11px;width:18px;height:2px;border-radius:2px;background:var(--t1);
  transition:transform .22s ease,opacity .22s ease,top .22s ease;
}
.nav-toggle span{top:19px}
.nav-toggle::before{top:13px}
.nav-toggle::after{top:25px}
.nav-toggle[aria-expanded="true"] span{opacity:0;transform:scaleX(.4)}
.nav-toggle[aria-expanded="true"]::before{top:19px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"]::after{top:19px;transform:rotate(-45deg)}

.mobile-drawer{position:fixed;inset:0;z-index:60;visibility:hidden;opacity:0;transition:opacity .24s ease,visibility .24s ease}
.mobile-drawer.open{visibility:visible;opacity:1}
.drawer-backdrop{position:absolute;inset:0;background:rgba(3,6,12,.68)}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,88vw);
  background:var(--bg-elev);border-left:1px solid var(--glass-border);
  padding:24px 22px 32px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s ease;
}
.mobile-drawer.open .drawer-panel{transform:translateX(0)}
.drawer-panel .search-box{width:100%}
.drawer-links{display:grid;gap:2px;margin-top:6px}
.drawer-links a{padding:13px 4px;font-size:15px;color:var(--t2);border-bottom:1px solid var(--line)}
.drawer-links a:hover,.drawer-links a.active{color:var(--t1)}
.drawer-links a.active{font-weight:600}
.drawer-cta{display:grid;gap:10px;margin-top:auto;padding-top:20px}
body.lock{overflow:hidden}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:64px 0 56px}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center 32%;
  opacity:.42;
}
.cat-hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,10,20,.88) 0%,rgba(5,10,20,.72) 45%,rgba(5,10,20,.96) 100%),
    radial-gradient(680px 340px at 12% 0%,rgba(45,123,255,.28),transparent 68%),
    radial-gradient(560px 320px at 92% 88%,rgba(34,211,197,.16),transparent 70%);
}
.cat-hero-grid{
  position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(140,180,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(140,180,255,.7) 1px,transparent 1px);
  background-size:24px 24px;
}
.cat-hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--t3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--brand-400)}
.breadcrumb .sep{color:rgba(107,124,153,.6)}
.breadcrumb .current{color:var(--t2)}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,52px);font-weight:700;line-height:1.22;letter-spacing:-.01em;
  max-width:20em;
}
.cat-hero .lede{margin-top:18px;font-size:17px;line-height:1.9;color:var(--t2);max-width:56ch}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;font-size:13px;
  background:var(--glass);border:1px solid rgba(34,211,197,.32);color:#B9E9E3;
}
.tag-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.anchor-pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-border);font-size:13.5px;color:var(--t2);
  transition:transform .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-pill:hover{color:var(--t1);border-color:rgba(90,156,255,.55);transform:translateY(-2px)}
.anchor-pill .dot{width:5px;height:5px;border-radius:50%;background:var(--brand-400)}

/* ============ 板块 ============ */
.section{padding:104px 0}
.section-tight{padding:84px 0}
.section-alt{background:var(--bg-elev);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:44px}
.section-eyebrow{
  font-size:12.5px;letter-spacing:.16em;font-weight:600;color:var(--cyan);
  text-transform:uppercase;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,30px);position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.section-head p{margin-top:16px;font-size:15.5px;color:var(--t2);max-width:64ch;line-height:1.9}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:44px}
.head-row .section-head{margin-bottom:0}

/* ============ 权益对照表 ============ */
.table-wrap{
  border:1px solid var(--glass-border);border-radius:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
  overflow:hidden;overflow:clip;
}
.benefit-table{width:100%;border-collapse:collapse;font-size:14.5px}
.benefit-table thead th{
  position:sticky;top:64px;z-index:5;
  padding:18px 14px;text-align:center;font-size:14px;font-weight:600;color:var(--t1);
  background:rgba(10,18,32,.95);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.benefit-table thead th:first-child{text-align:left;padding-left:26px}
.benefit-table tbody td{
  padding:16px 14px;text-align:center;color:var(--t2);
  border-bottom:1px solid rgba(140,180,255,.08);
}
.benefit-table tbody tr:nth-child(odd){background:rgba(255,255,255,.02)}
.benefit-table tbody tr:nth-child(even){background:rgba(255,255,255,.05)}
.benefit-table tbody tr:last-child td{border-bottom:0}
.benefit-table tbody td:first-child{
  text-align:left;padding-left:26px;color:var(--t1);font-weight:500;white-space:nowrap;
}
.benefit-table .col-feature{background:rgba(45,123,255,.09)}
.benefit-table thead .col-feature{color:#CFE2FF}
.benefit-table thead th.col-feature{position:sticky}
.benefit-table thead th.col-feature::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,rgba(45,123,255,.2),var(--brand),var(--cyan),rgba(45,123,255,.2));
}
.ico-ok{color:var(--cyan);font-weight:700}
.ico-no{color:var(--t3)}
.cell-note{display:block;font-size:12.5px;color:var(--t3);margin-top:2px}
.badge-amber{
  display:inline-flex;align-items:center;gap:5px;margin-left:8px;
  padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600;
  color:#2A1B03;background:linear-gradient(135deg,#FFD28A,var(--amber));
}
.table-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:22px;font-size:13.5px;color:var(--t3);
}

/* ============ 等级卡组 ============ */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:stretch}
.tier-card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-card);border:1px solid var(--glass-border);background:var(--bg-elev2);
  padding:26px 22px;overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tier-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
}
.tier-card:hover{transform:translateY(-4px);border-color:rgba(90,156,255,.4)}
.tier-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;min-height:34px;margin-bottom:14px}
.tier-num{
  font-variant-numeric:tabular-nums;font-size:34px;font-weight:700;line-height:1;
  color:var(--brand-400);opacity:.2;
}
.tier-flag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  font-size:11.5px;font-weight:600;color:#2A1B03;background:linear-gradient(135deg,#FFD28A,var(--amber));
}
.tier-card h3{font-size:19px;margin-bottom:10px}
.tier-sum{font-size:14px;color:var(--t2);line-height:1.8;min-height:52px}
.tier-list{display:grid;gap:9px;margin:18px 0 24px}
.tier-list li{display:flex;gap:9px;font-size:13.8px;color:var(--t2);line-height:1.7}
.tier-list li::before{
  content:"";flex:none;width:6px;height:6px;border-radius:50%;margin-top:9px;
  background:var(--cyan);box-shadow:0 0 8px rgba(34,211,197,.7);
}
.tier-link{
  margin-top:auto;font-size:13.8px;font-weight:600;color:var(--brand-400);
  display:inline-flex;align-items:center;gap:6px;
}
.tier-link::after{content:"→";transition:transform .2s ease}
.tier-link:hover{color:var(--t1)}
.tier-link:hover::after{transform:translateX(3px)}
.tier-card.featured{
  transform:scale(1.05);z-index:2;
  border-color:rgba(90,156,255,.5);
  background:linear-gradient(180deg,rgba(45,123,255,.14),rgba(12,23,40,.92));
  box-shadow:var(--glow);
}
.tier-card.featured:hover{transform:scale(1.05) translateY(-4px)}
.tier-card.featured::before{height:3px}

/* ============ 5/7 分栏 ============ */
.split{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center}
.split-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--glass-border);background:var(--bg-elev2);box-shadow:var(--shadow-soft);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .35s ease}
.split-media:hover img{transform:scale(1.03)}
.split-media::after{
  content:"";position:absolute;inset:auto 0 0 0;height:38%;
  background:linear-gradient(180deg,transparent,rgba(5,10,20,.85));
}
.rule-list{display:grid;gap:14px;margin-top:26px}
.rule-item{
  display:flex;gap:16px;padding:18px 20px;border-radius:14px;
  background:var(--glass);border:1px solid var(--glass-border);
  transition:border-color .2s ease,background .2s ease;
}
.rule-item:hover{border-color:rgba(90,156,255,.42);background:rgba(255,255,255,.06)}
.rule-num{
  flex:none;font-variant-numeric:tabular-nums;font-weight:700;font-size:14px;
  color:var(--brand-400);letter-spacing:.04em;padding-top:3px;
}
.rule-item h3{font-size:16px;margin-bottom:6px}
.rule-item p{font-size:14.5px;line-height:1.8;color:var(--t2)}
.split-body h2{font-size:clamp(24px,3vw,30px);position:relative;padding-left:16px}
.split-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.split-body > p{margin-top:18px;font-size:15.5px;line-height:1.9;color:var(--t2)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
  border-radius:14px;border:1px solid var(--glass-border);background:var(--glass);
  overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(90,156,255,.42);background:rgba(255,255,255,.05)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-400)}
.faq-item[open] summary{color:var(--brand-400)}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.faq-icon{position:relative;flex:none;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-400);border-radius:2px;transition:transform .2s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--t2)}
.faq-more{text-align:center;margin-top:30px;font-size:14px;color:var(--t3)}
.faq-more a{color:var(--brand-400);font-weight:600}
.faq-more a:hover{color:var(--t1)}

/* ============ CTA ============ */
.cta-wrap{padding:88px 0 96px}
.cta-panel{
  position:relative;border-radius:20px;border:1px solid var(--glass-border);
  background:var(--bg-elev2);overflow:hidden;padding:64px 40px;text-align:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 260px at 50% 0%,rgba(45,123,255,.26),transparent 70%),
             radial-gradient(520px 240px at 88% 100%,rgba(34,211,197,.14),transparent 72%);
}
.cta-panel::after{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(140,180,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(140,180,255,.7) 1px,transparent 1px);
  background-size:24px 24px;
}
.cta-content{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-panel h2{font-size:clamp(24px,3.2vw,32px)}
.cta-panel p{margin-top:16px;font-size:15.5px;color:var(--t2);line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.cta-link{font-size:14px;color:var(--brand-400);font-weight:600;align-self:center}
.cta-link:hover{color:var(--t1)}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:var(--bg-elev);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--t3);line-height:1.85;max-width:36ch}
.footer-col h4{font-size:14px;color:var(--t1);margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--t2)}
.footer-col a:hover{color:var(--brand-400)}
.footer-contact li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--t2)}
.footer-contact svg{color:var(--cyan);flex:none}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.footer-bottom .domain{color:rgba(107,124,153,.75)}

/* ============ 进场动效 ============ */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}
.js .reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .search-box{width:170px}
}
@media (max-width:1120px){
  .nav-links{gap:18px}
  .nav-link{font-size:14px}
}
@media (max-width:1024px){
  .nav-links,.search-box{display:none}
  .nav-toggle{display:block}
  .section{padding:84px 0}
  .section-tight{padding:72px 0}
  .tier-grid{grid-template-columns:repeat(2,1fr)}
  .tier-card.featured{transform:none}
  .tier-card.featured:hover{transform:translateY(-4px)}
  .split{grid-template-columns:1fr;gap:34px}
  .split-media{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .link-login{display:none}
  .nav-inner{height:56px}
  .logo-text{font-size:15px}
  .cat-hero{padding:44px 0 40px}
  .cat-hero .lede{font-size:15.5px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .section-head{margin-bottom:32px}
  .head-row{margin-bottom:32px}
  .benefit-table thead th{top:56px}
  .cta-wrap{padding:64px 0 72px}
  .cta-panel{padding:48px 24px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
}
@media (max-width:640px){
  .table-wrap{border:0;background:none;border-radius:0;overflow:visible}
  .benefit-table thead{display:none}
  .benefit-table,.benefit-table tbody,.benefit-table tr,.benefit-table td{display:block;width:100%}
  .benefit-table tr{
    border:1px solid var(--glass-border);border-radius:16px;
    background:rgba(255,255,255,.03);margin-bottom:14px;padding:10px 0 6px;
  }
  .benefit-table tr:nth-child(odd),.benefit-table tr:nth-child(even){background:rgba(255,255,255,.03)}
  .benefit-table tbody td{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:9px 16px;border:0;text-align:right;
  }
  .benefit-table tbody td::before{
    content:attr(data-label);flex:none;font-size:12.5px;color:var(--t3);
  }
  .benefit-table tbody td:first-child{
    display:block;padding:4px 16px 12px;margin-bottom:6px;
    border-bottom:1px solid var(--line);font-size:15.5px;font-weight:600;
  }
  .benefit-table tbody td:first-child::before{display:none}
  .benefit-table .col-feature{background:rgba(45,123,255,.09)}
  .cell-note{display:inline;margin-left:6px}
  .tier-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand p{max-width:none}
  .cta-actions .btn{width:100%}
  .cta-link{align-self:center;width:100%;text-align:center}
}

/* roulang page: category2 */
:root{
  --bg-base:#050A14;
  --bg-elev:#0A1220;
  --bg-elev2:#0C1728;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(140,180,255,.14);
  --brand:#2D7BFF;
  --brand-400:#5A9CFF;
  --brand-700:#1B4FCC;
  --cyan:#22D3C5;
  --cyan-700:#12998F;
  --amber:#FFB454;
  --t1:#EAF1FF;
  --t2:#A8B8D0;
  --t3:#6B7C99;
  --line:rgba(140,180,255,.12);
  --glow:0 0 0 1px rgba(45,123,255,.35), 0 10px 34px rgba(45,123,255,.32);
  --radius-card:16px;
  --radius-sm:12px;
  --shadow-soft:0 8px 24px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--t2);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--t2);text-decoration:none;}
a:hover{color:var(--brand-400);}
button,input{font-family:inherit;}
h1,h2,h3,h4{color:var(--t1);margin:0;letter-spacing:.01em;}
p{margin:0 0 1.15em;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(6,12,24,.84);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(90,156,255,.55),transparent);
  pointer-events:none;
}
.nav-inner{display:flex;align-items:center;gap:26px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--t1);font-weight:700;font-size:17px;white-space:nowrap;}
.logo:hover{color:var(--t1);}
.logo-mark{
  width:24px;height:24px;border-radius:8px;position:relative;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  box-shadow:0 0 16px rgba(45,123,255,.5);
}
.logo-mark::after{content:"";position:absolute;inset:5px;border-radius:4px;border:1.5px solid rgba(5,10,20,.78);}
.logo-text{letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px;}
.nav-link{position:relative;color:var(--t2);font-size:15px;padding:6px 0;transition:color .18s ease;white-space:nowrap;}
.nav-link:hover{color:var(--t1);}
.nav-link.active{color:var(--t1);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-21px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px;}
.search-box{
  display:inline-flex;align-items:center;gap:8px;width:200px;padding:8px 14px;
  border-radius:999px;background:var(--glass);border:1px solid var(--glass-border);
  color:var(--t3);transition:border-color .18s ease, box-shadow .18s ease;
}
.search-box input{background:transparent;border:none;outline:none;color:var(--t1);font-size:14px;width:100%;}
.search-box input::placeholder{color:var(--t3);}
.search-box:focus-within{border-color:rgba(90,156,255,.6);box-shadow:0 0 0 3px rgba(45,123,255,.16);}
.link-login{color:var(--t2);font-size:14px;transition:color .18s ease;}
.link-login:hover{color:var(--brand-400);}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:10px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--t1);position:relative;transition:background .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--t1);transition:transform .2s ease, top .2s ease;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:filter .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, transform .12s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-lg{padding:14px 34px;font-size:16px;}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-700));color:#fff;box-shadow:var(--glow);}
.btn-primary:hover{color:#fff;filter:brightness(1.08);box-shadow:0 0 0 1px rgba(45,123,255,.5),0 14px 40px rgba(45,123,255,.45);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
.btn-ghost{background:rgba(255,255,255,.02);border-color:var(--glass-border);color:var(--t1);}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(90,156,255,.5);color:var(--t1);}
.btn-ghost:active{transform:translateY(1px);}

/* ---------- 精简 Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center 30%;
  opacity:.42;transform:scale(1.02);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(620px 420px at 10% 8%, rgba(45,123,255,.30), transparent 70%),
    radial-gradient(520px 420px at 90% 92%, rgba(34,211,197,.18), transparent 72%),
    linear-gradient(180deg, rgba(5,10,20,.72), rgba(5,10,20,.94));
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(140,180,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,180,255,.06) 1px, transparent 1px);
  background-size:24px 24px;
}
.hero-inner{position:relative;z-index:2;padding:56px 0 0;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:22px;}
.breadcrumb a{color:var(--t3);}
.breadcrumb a:hover{color:var(--brand-400);}
.breadcrumb .sep{color:rgba(107,124,153,.6);}
.breadcrumb .current{color:var(--t2);}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);font-weight:700;line-height:1.22;max-width:20ch;
}
.hero-sub{margin:18px 0 0;font-size:17px;color:var(--t2);max-width:640px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.badge-pill{
  padding:7px 16px;border-radius:999px;font-size:13px;color:#9FE9E1;
  background:var(--glass);border:1px solid rgba(34,211,197,.35);
}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.anchor-bar a{
  padding:8px 16px;border-radius:999px;font-size:13px;color:var(--t2);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.anchor-bar a:hover{background:rgba(255,255,255,.07);border-color:rgba(90,156,255,.5);color:var(--t1);}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:44px;padding:24px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-num{font-variant-numeric:tabular-nums;font-size:26px;font-weight:600;color:var(--t1);letter-spacing:.02em;}
.stat-label{font-size:13px;color:var(--t3);margin-top:2px;}

/* ---------- 通用板块 ---------- */
.section{padding:112px 0;}
.section--elev{background:var(--bg-elev);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.section-head h2{
  position:relative;padding-left:16px;font-size:clamp(24px,3vw,30px);font-weight:600;line-height:1.3;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.section-desc{margin-top:14px;font-size:15px;color:var(--t2);max-width:660px;}
.text-link{color:var(--brand-400);font-size:14px;font-weight:600;}
.text-link:hover{color:#8FBBFF;}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;}
.filter-btn{
  padding:9px 18px;border-radius:999px;font-size:14px;color:var(--t2);cursor:pointer;
  background:rgba(255,255,255,.02);border:1px solid var(--line);
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.filter-btn:hover{color:var(--t1);border-color:rgba(90,156,255,.45);}
.filter-btn.active{
  color:var(--t1);border-color:rgba(90,156,255,.55);
  background:linear-gradient(135deg,rgba(45,123,255,.24),rgba(34,211,197,.16));
}

/* ---------- 频道图文横排 ---------- */
.channel-row{
  display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center;
  padding:28px;margin-bottom:24px;border-radius:var(--radius-card);
  background:var(--bg-elev2);border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.channel-row:hover{transform:translateY(-4px);border-color:rgba(90,156,255,.4);box-shadow:0 14px 36px rgba(0,0,0,.42);}
.channel-row.reverse .channel-media{order:2;}
.channel-media{overflow:hidden;border-radius:14px;background:rgba(140,180,255,.06);}
.channel-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;transition:transform .25s ease;}
.channel-row:hover .channel-media img{transform:scale(1.03);}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;
  color:#9FE9E1;background:rgba(34,211,197,.10);border:1px solid rgba(34,211,197,.35);
}
.tag-amber{color:var(--amber);background:rgba(255,180,84,.10);border-color:rgba(255,180,84,.38);}
.channel-body h3{margin:14px 0 10px;font-size:20px;font-weight:600;line-height:1.4;}
.channel-body p{font-size:15px;color:var(--t2);margin-bottom:14px;}
.dot-list{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:8px;}
.dot-list li{position:relative;padding-left:18px;font-size:14px;color:var(--t2);}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px rgba(34,211,197,.6);
}
.channel-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;}
.channel-foot{margin-top:16px;}
.channel-row.hide{display:none;}
.center-cta{display:flex;justify-content:center;margin-top:36px;}

/* ---------- 对照表 ---------- */
.access-wrap{
  border-radius:18px;border:1px solid var(--glass-border);background:var(--bg-elev);overflow-x:auto;
}
table.access-table{width:100%;min-width:720px;border-collapse:collapse;}
table.access-table caption{
  text-align:left;padding:20px 22px 6px;color:var(--t3);font-size:13px;
}
table.access-table thead th{
  position:sticky;top:0;z-index:2;
  padding:16px 22px;text-align:left;font-size:14px;font-weight:600;color:var(--t1);
  background:rgba(10,18,32,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);letter-spacing:.02em;
}
table.access-table tbody td{
  padding:16px 22px;font-size:15px;color:var(--t2);border-top:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
table.access-table tbody tr:nth-child(odd){background:rgba(255,255,255,.02);}
table.access-table tbody tr:nth-child(even){background:rgba(255,255,255,.05);}
table.access-table tbody td:first-child{color:var(--t1);font-weight:600;}
.table-note{margin-top:16px;font-size:13px;color:var(--t3);}

/* ---------- 5/7 分栏 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.split-text h2{position:relative;padding-left:16px;font-size:clamp(24px,3vw,30px);font-weight:600;line-height:1.3;}
.split-text h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.split-text p{margin-top:18px;font-size:15px;color:var(--t2);}
.num-list{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:18px;}
.num-item{display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;}
.num-idx{
  font-variant-numeric:tabular-nums;font-size:20px;font-weight:600;color:var(--brand-400);
  border-right:1px solid var(--line);padding-right:12px;line-height:1.5;
}
.num-item h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.num-item p{font-size:14px;margin:0;color:var(--t2);}
.split-figure{margin:0;}
.split-figure img{width:100%;border-radius:14px;object-fit:cover;aspect-ratio:4/3;background:rgba(140,180,255,.06);}
.split-figure figcaption{margin-top:12px;text-align:center;font-size:13px;color:var(--t3);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  border-radius:14px;background:var(--glass);border:1px solid var(--line);
  overflow:hidden;transition:border-color .18s ease, box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(90,156,255,.4);box-shadow:inset 2px 0 0 0 var(--brand);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--brand-400);transition:transform .2s ease;}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:#fff;}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--t2);}

/* ---------- CTA ---------- */
.cta-panel{
  border-radius:20px;border:1px solid var(--glass-border);padding:64px 40px;text-align:center;
  background:
    radial-gradient(620px 300px at 50% 0%, rgba(45,123,255,.20), transparent 70%),
    radial-gradient(420px 260px at 82% 100%, rgba(34,211,197,.14), transparent 72%),
    var(--bg-elev);
}
.cta-panel h2{font-size:clamp(23px,3vw,30px);font-weight:600;line-height:1.35;}
.cta-panel p{margin:16px auto 0;max-width:620px;font-size:15px;color:var(--t2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px;}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-elev);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}
.footer-brand p{margin-top:16px;max-width:320px;font-size:14px;color:var(--t3);line-height:1.8;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--t2);transition:color .18s ease;}
.footer-col a:hover{color:var(--brand-400);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--t3);}
.footer-contact svg{flex:0 0 auto;color:var(--brand-400);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 32px;border-top:1px solid var(--line);font-size:13px;color:var(--t3);
}
.footer-bottom .domain{color:var(--t3);}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .search-box{width:170px;}
  .nav-links{gap:22px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:88px 0;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;top:64px;right:0;width:min(330px,86vw);height:calc(100vh - 64px);
    margin-left:0;padding:22px;gap:0;flex-direction:column;align-items:stretch;
    background:rgba(8,16,30,.98);backdrop-filter:blur(18px);
    border-left:1px solid var(--line);overflow-y:auto;
    transform:translateX(105%);transition:transform .28s ease;z-index:60;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-link{padding:15px 4px;border-bottom:1px solid var(--line);font-size:15px;}
  .nav-link.active::after{display:none;}
  .search-box,.link-login{display:none;}
  .split{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .channel-row{grid-template-columns:1fr;gap:22px;padding:20px;}
  .channel-row.reverse .channel-media{order:0;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .hero-inner{padding-top:40px;}
  .cta-panel{padding:44px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px;}
  .access-wrap{overflow:visible;border:none;background:transparent;}
  table.access-table{min-width:0;display:block;}
  table.access-table caption{padding:0 0 14px;}
  table.access-table thead{display:none;}
  table.access-table tbody,table.access-table tr,table.access-table td{display:block;width:100%;}
  table.access-table tbody tr{
    border:1px solid var(--line);border-radius:14px;background:var(--bg-elev2);
    margin-bottom:14px;padding:8px 0;overflow:hidden;
  }
  table.access-table tbody td{
    border-top:none;padding:9px 18px;display:flex;justify-content:space-between;gap:16px;align-items:baseline;
    background:transparent !important;
  }
  table.access-table tbody td::before{
    content:attr(data-label);font-size:13px;color:var(--t3);flex:0 0 auto;
  }
  table.access-table tbody td:first-child{padding-top:14px;}
  .num-item{grid-template-columns:44px 1fr;}
}

/* roulang page: category3 */
:root{
    --bg-base:#050A14;
    --bg-elev:#0A1220;
    --bg-elev2:#0C1728;
    --glass:rgba(255,255,255,.045);
    --glass-border:rgba(140,180,255,.14);
    --brand:#2D7BFF;
    --brand-400:#5A9CFF;
    --brand-700:#1B4FCC;
    --cyan:#22D3C5;
    --cyan-700:#12998F;
    --amber:#FFB454;
    --t1:#EAF1FF;
    --t2:#A8B8D0;
    --t3:#6B7C99;
    --line:rgba(140,180,255,.12);
    --glow:0 0 0 1px rgba(45,123,255,.35), 0 10px 34px rgba(45,123,255,.32);
    --radius-card:16px;
    --radius-sm:12px;
    --shadow-soft:0 8px 24px rgba(0,0,0,.35);
  }
  *,*::before,*::after{box-sizing:border-box}
  .page-body{
    margin:0;
    background:var(--bg-base);
    color:var(--t2);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  .num{font-variant-numeric:tabular-nums;letter-spacing:.02em;font-weight:600}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
  .page-main{position:relative;z-index:1}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(6,11,22,.78);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
  }
  .site-header::after{
    content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
    background:linear-gradient(90deg,transparent,rgba(90,156,255,.55),rgba(34,211,197,.4),transparent);
  }
  .nav-inner{display:flex;align-items:center;gap:24px;height:64px}
  .logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
  .logo-mark{
    width:24px;height:24px;border-radius:8px;display:block;
    background:linear-gradient(135deg,rgba(45,123,255,.18),rgba(34,211,197,.16));
    border:1.5px solid transparent;
    background-clip:padding-box;
    box-shadow:inset 0 0 0 1.5px rgba(90,156,255,.75), 0 0 14px rgba(45,123,255,.4);
    position:relative;
  }
  .logo-mark::after{
    content:"";position:absolute;inset:6px;border-radius:4px;
    background:linear-gradient(135deg,var(--brand-400),var(--cyan));
  }
  .logo-text{color:var(--t1);font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
  .nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;flex:1}
  .nav-link{
    position:relative;color:var(--t2);text-decoration:none;font-size:15px;
    padding:20px 0;transition:color .18s ease;white-space:nowrap;
  }
  .nav-link:hover{color:var(--t1)}
  .nav-link.active{color:var(--t1);font-weight:600}
  .nav-link.active::after{
    content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--brand),var(--cyan));
  }
  .nav-right{display:flex;align-items:center;gap:16px;flex-shrink:0}
  .search-box{
    display:flex;align-items:center;gap:8px;width:196px;height:38px;padding:0 14px;
    border-radius:999px;background:rgba(255,255,255,.04);
    border:1px solid var(--glass-border);color:var(--t3);
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .search-box:focus-within{border-color:rgba(90,156,255,.65);box-shadow:0 0 0 3px rgba(45,123,255,.16)}
  .search-box input{
    flex:1;min-width:0;background:transparent;border:0;outline:none;
    color:var(--t1);font-size:13.5px;font-family:inherit;
  }
  .search-box input::placeholder{color:var(--t3)}
  .link-login{color:var(--t2);font-size:14px;text-decoration:none;transition:color .18s ease}
  .link-login:hover{color:var(--brand-400)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;border:1px solid transparent;cursor:pointer;
    font-family:inherit;font-size:15px;font-weight:600;text-decoration:none;
    padding:13px 26px;transition:all .2s ease;white-space:nowrap;
  }
  .btn-sm{padding:9px 20px;font-size:14px}
  .btn-primary{
    background:linear-gradient(135deg,var(--brand),var(--brand-700));
    color:#fff;box-shadow:var(--glow);
  }
  .btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(90,156,255,.5),0 14px 40px rgba(45,123,255,.42)}
  .btn-primary:active{filter:brightness(.94);transform:translateY(1px)}
  .btn-ghost{
    background:rgba(255,255,255,.02);color:var(--t1);
    border:1px solid var(--glass-border);
  }
  .btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(90,156,255,.55);color:#fff}
  .btn-ghost:active{transform:translateY(1px)}
  .nav-toggle{
    display:none;width:40px;height:40px;border-radius:12px;
    background:rgba(255,255,255,.04);border:1px solid var(--glass-border);
    align-items:center;justify-content:center;cursor:pointer;padding:0;
  }
  .nav-toggle span{display:block;width:16px;height:1.6px;background:var(--t1);position:relative;border-radius:2px}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--t1);border-radius:2px;
    transition:transform .2s ease;
  }
  .nav-toggle span::before{top:-5px}
  .nav-toggle span::after{top:5px}
  .site-header.open .nav-toggle span{background:transparent}
  .site-header.open .nav-toggle span::before{transform:translateY(5px) rotate(45deg)}
  .site-header.open .nav-toggle span::after{transform:translateY(-5px) rotate(-45deg)}
  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand-400);outline-offset:2px;
  }

  /* ---------- 内页 banner ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center 32%;
    border-bottom:1px solid var(--line);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(680px 360px at 12% 6%, rgba(45,123,255,.32), transparent 68%),
      radial-gradient(560px 380px at 88% 92%, rgba(34,211,197,.18), transparent 70%),
      linear-gradient(180deg, rgba(5,10,20,.74), rgba(5,10,20,.94));
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;opacity:.05;
    background-image:linear-gradient(rgba(160,200,255,.6) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(160,200,255,.6) 1px,transparent 1px);
    background-size:24px 24px;
  }
  .hero-inner{position:relative;z-index:2;padding:56px 0 48px;max-width:840px}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:22px}
  .breadcrumb a{color:var(--t3);text-decoration:none;transition:color .18s ease}
  .breadcrumb a:hover{color:var(--brand-400)}
  .breadcrumb .sep{color:rgba(107,124,153,.55)}
  .breadcrumb .current{color:var(--t2)}
  .hero-title{
    margin:0 0 16px;color:var(--t1);
    font-size:clamp(30px,4.4vw,48px);font-weight:700;line-height:1.22;letter-spacing:.005em;
  }
  .hero-sub{margin:0 0 24px;font-size:16.5px;color:var(--t2);max-width:640px;line-height:1.85}
  .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 14px;border-radius:999px;font-size:13px;
    color:var(--cyan);background:rgba(34,211,197,.08);
    border:1px solid rgba(34,211,197,.32);
  }
  .badge.is-amber{color:var(--amber);background:rgba(255,180,84,.09);border-color:rgba(255,180,84,.36)}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px}
  .anchor-bar{
    position:relative;z-index:2;display:flex;gap:10px;flex-wrap:wrap;
    padding:16px 0 20px;border-top:1px solid var(--line);
  }
  .anchor-chip{
    display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:999px;
    font-size:13.5px;color:var(--t2);text-decoration:none;
    background:rgba(255,255,255,.035);border:1px solid var(--glass-border);
    transition:all .2s ease;
  }
  .anchor-chip:hover{color:#fff;border-color:rgba(90,156,255,.5);background:rgba(255,255,255,.07);transform:translateY(-1px)}

  /* ---------- 板块通用 ---------- */
  .section{padding:84px 0}
  .section.is-alt{background:var(--bg-elev);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-head{max-width:760px;margin-bottom:44px}
  .section-eyebrow{
    display:inline-block;font-size:12.5px;letter-spacing:.16em;color:var(--cyan);
    text-transform:uppercase;margin-bottom:12px;font-weight:600;
  }
  .section-title{
    position:relative;margin:0 0 16px;padding-left:16px;
    color:var(--t1);font-size:clamp(23px,2.6vw,30px);font-weight:600;line-height:1.32;
  }
  .section-title::before{
    content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
    background:linear-gradient(180deg,var(--brand),var(--cyan));
  }
  .section-desc{margin:0;font-size:16px;color:var(--t2);line-height:1.88;max-width:44em}

  /* ---------- 时间线 ---------- */
  .timeline{position:relative;list-style:none;margin:0;padding:0}
  .timeline::before{
    content:"";position:absolute;left:23px;top:12px;bottom:24px;width:2px;
    background:linear-gradient(180deg,var(--brand),rgba(34,211,197,.55),transparent);
    opacity:.6;
  }
  .tl-item{position:relative;padding:0 0 30px 78px}
  .tl-item:last-child{padding-bottom:0}
  .tl-num{
    position:absolute;left:0;top:0;width:48px;height:48px;border-radius:14px;
    display:flex;align-items:center;justify-content:center;
    font-size:15px;color:var(--brand-400);
    background:var(--bg-elev2);border:1px solid var(--glass-border);
    box-shadow:0 0 0 1px rgba(45,123,255,.12), 0 8px 20px rgba(0,0,0,.4);
  }
  .tl-item:hover .tl-num{border-color:rgba(90,156,255,.5);color:var(--cyan)}
  .tl-card{
    background:var(--glass);border:1px solid var(--glass-border);
    border-radius:var(--radius-card);padding:22px 26px;
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    transition:transform .2s ease,border-color .2s ease;
  }
  .tl-card:hover{transform:translateY(-4px);border-color:rgba(90,156,255,.4)}
  .tl-title{margin:0 0 8px;color:var(--t1);font-size:19px;font-weight:600;line-height:1.45}
  .tl-text{margin:0;font-size:15.5px;line-height:1.86;color:var(--t2)}
  .tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
  .tl-tag{
    font-size:12.5px;color:var(--t3);padding:4px 12px;border-radius:999px;
    border:1px solid var(--line);background:rgba(255,255,255,.02);
  }

  /* ---------- 规则条列 ---------- */
  .rule-list{display:grid;gap:14px}
  .rule-item{
    display:flex;gap:22px;align-items:flex-start;
    padding:22px 26px;border-radius:var(--radius-card);
    background:var(--bg-elev2);border:1px solid var(--glass-border);
    transition:border-color .2s ease,transform .2s ease;
  }
  .rule-item:hover{border-color:rgba(90,156,255,.42);transform:translateX(4px)}
  .rule-id{
    flex-shrink:0;width:52px;font-size:14px;color:var(--cyan);
    padding-top:2px;border-right:1px solid var(--line);
  }
  .rule-body{flex:1;min-width:0}
  .rule-title{margin:0 0 6px;color:var(--t1);font-size:17.5px;font-weight:600}
  .rule-text{margin:0;font-size:15.5px;line-height:1.86;color:var(--t2)}

  /* ---------- 5/7 分栏 ---------- */
  .split{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center}
  .split.is-reverse{grid-template-columns:7fr 5fr}
  .panel{
    background:var(--glass);border:1px solid var(--glass-border);border-radius:18px;
    padding:30px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  }
  .check-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
  .check-list li{display:flex;gap:12px;font-size:15.5px;line-height:1.8;color:var(--t2)}
  .check-list li::before{
    content:"";flex-shrink:0;width:8px;height:8px;margin-top:9px;border-radius:50%;
    background:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,197,.14);
  }
  .media-card{
    position:relative;border-radius:var(--radius-card);overflow:hidden;
    border:1px solid var(--glass-border);background:var(--bg-elev2);
  }
  .media-card img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
  .media-card:hover img{transform:scale(1.03)}
  .media-caption{padding:12px 18px;font-size:13px;color:var(--t3);text-align:center;border-top:1px solid var(--line)}

  /* ---------- 数据条 ---------- */
  .stat-row{
    display:grid;grid-template-columns:repeat(4,1fr);
    border:1px solid var(--glass-border);border-radius:18px;overflow:hidden;
    background:rgba(255,255,255,.025);
  }
  .stat-cell{padding:26px 24px;border-right:1px solid var(--line)}
  .stat-cell:last-child{border-right:0}
  .stat-num{display:block;font-size:30px;color:var(--t1);line-height:1.2;margin-bottom:6px}
  .stat-num em{font-style:normal;font-size:15px;color:var(--brand-400);margin-left:4px}
  .stat-label{font-size:13.5px;color:var(--t3)}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto}
  .faq-item{
    background:var(--glass);border:1px solid var(--glass-border);
    border-radius:14px;margin-bottom:12px;overflow:hidden;
    transition:border-color .2s ease,background .2s ease;
  }
  .faq-item[open]{border-color:rgba(90,156,255,.4);background:rgba(255,255,255,.06)}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:19px 24px;cursor:pointer;list-style:none;
    color:var(--t1);font-size:16.5px;font-weight:600;line-height:1.5;
  }
  .faq-q::-webkit-details-marker{display:none}
  .faq-icon{position:relative;flex-shrink:0;width:18px;height:18px;transition:transform .2s ease}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--brand-400);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-icon::before{width:14px;height:2px}
  .faq-icon::after{width:2px;height:14px;transition:opacity .2s ease}
  .faq-item[open] .faq-icon::after{opacity:0}
  .faq-item[open] .faq-q{color:#fff}
  .faq-a{padding:0 24px 22px;font-size:15.5px;line-height:1.9;color:var(--t2)}
  .faq-a p{margin:0}

  /* ---------- CTA ---------- */
  .cta-section{padding:88px 0}
  .cta-panel{
    position:relative;overflow:hidden;text-align:center;
    border-radius:20px;border:1px solid var(--glass-border);
    background:var(--bg-elev2);
    padding:64px 36px;
  }
  .cta-panel::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(540px 300px at 50% -10%, rgba(45,123,255,.34), transparent 70%),
               radial-gradient(420px 260px at 85% 110%, rgba(34,211,197,.18), transparent 72%);
  }
  .cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto}
  .cta-title{margin:0 0 14px;color:var(--t1);font-size:clamp(22px,2.8vw,30px);font-weight:600;line-height:1.35}
  .cta-text{margin:0 0 28px;font-size:16px;color:var(--t2);line-height:1.86}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center}
  .text-link{color:var(--brand-400);text-decoration:none;font-size:15px;transition:color .18s ease}
  .text-link:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:4px}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#040810;border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
  .footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.85;color:var(--t3);max-width:32em}
  .footer-col h4{margin:0 0 16px;color:var(--t1);font-size:15px;font-weight:600}
  .footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
  .footer-col a{color:var(--t2);font-size:14px;text-decoration:none;transition:color .18s ease}
  .footer-col a:hover{color:var(--brand-400)}
  .footer-contact li{display:flex;align-items:center;gap:9px;color:var(--t2);font-size:14px}
  .footer-contact svg{color:var(--t3);flex-shrink:0}
  .footer-bottom{
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
    font-size:13px;color:var(--t3);
  }
  .footer-bottom .domain{color:rgba(107,124,153,.75)}

  /* ---------- 响应式 ---------- */
  @media (max-width:1080px){
    .nav-links{gap:18px}
    .nav-link{font-size:14px}
    .search-box{width:160px}
  }
  @media (max-width:1023px){
    .container{padding:0 24px}
    .nav-links,.nav-right{display:none}
    .nav-toggle{display:flex}
    .site-header.open .nav-links{
      display:flex;flex-direction:column;gap:0;
      position:fixed;left:0;right:0;top:64px;bottom:150px;overflow-y:auto;
      background:#070D18;padding:16px 24px 28px;margin:0;
      border-top:1px solid var(--line);
    }
    .site-header.open .nav-link{
      width:100%;padding:16px 0;font-size:16px;border-bottom:1px solid var(--line);
    }
    .site-header.open .nav-link.active::after{display:none}
    .site-header.open .nav-right{
      display:flex;position:fixed;left:0;right:0;bottom:0;
      flex-direction:column;align-items:stretch;gap:12px;
      padding:18px 24px 24px;background:#070D18;border-top:1px solid var(--line);
    }
    .site-header.open .search-box{width:100%}
    .site-header.open .link-login{text-align:center;padding:6px 0}
    .site-header.open .btn-primary{width:100%}
    .split,.split.is-reverse{grid-template-columns:1fr;gap:28px}
    .stat-row{grid-template-columns:repeat(2,1fr)}
    .stat-cell:nth-child(2){border-right:0}
    .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  }
  @media (max-width:767px){
    .section{padding:60px 0}
    .hero-inner{padding:40px 0 36px}
    .cta-section{padding:64px 0}
    .cta-panel{padding:44px 22px}
    .rule-item{flex-direction:column;gap:12px;padding:20px}
    .rule-id{border-right:0;border-bottom:1px solid var(--line);padding:0 0 8px;width:auto}
    .tl-item{padding-left:66px}
    .tl-num{width:42px;height:42px;border-radius:12px;font-size:14px}
    .timeline::before{left:20px}
    .panel{padding:22px}
  }
  @media (max-width:520px){
    .container{padding:0 18px}
    .page-body{font-size:15.5px}
    .hero-cta{flex-direction:column;align-items:stretch}
    .hero-cta .btn{width:100%}
    .stat-row{grid-template-columns:1fr}
    .stat-cell{border-right:0;border-bottom:1px solid var(--line)}
    .stat-cell:last-child{border-bottom:0}
    .footer-grid{grid-template-columns:1fr}
    .faq-q{padding:16px 18px;font-size:15.5px}
    .faq-a{padding:0 18px 18px}
    .footer-bottom{flex-direction:column;gap:8px}
  }

/* roulang page: category4 */
:root{
    --bg-base:#050A14;
    --bg-elev:#0A1220;
    --bg-elev2:#0C1728;
    --glass:rgba(255,255,255,.045);
    --glass-strong:rgba(255,255,255,.07);
    --glass-border:rgba(140,180,255,.14);
    --glass-border-hi:rgba(90,156,255,.4);
    --brand:#2D7BFF;
    --brand-400:#5A9CFF;
    --brand-700:#1B4FCC;
    --cyan:#22D3C5;
    --cyan-700:#12998F;
    --amber:#FFB454;
    --t1:#EAF1FF;
    --t2:#A8B8D0;
    --t3:#6B7C99;
    --line:rgba(140,180,255,.12);
    --glow:0 0 0 1px rgba(45,123,255,.35), 0 10px 34px rgba(45,123,255,.32);
    --shadow-soft:0 8px 24px rgba(0,0,0,.35);
    --radius-lg:18px;
    --radius-md:16px;
    --radius-sm:12px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg-base);
    color:var(--t2);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(760px 460px at 8% -6%, rgba(45,123,255,.18), transparent 62%),
      radial-gradient(680px 420px at 96% 12%, rgba(34,211,197,.11), transparent 60%);
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;}
  h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:650;line-height:1.3;}
  p{margin:0;}

  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 32px;
    position:relative;
    z-index:1;
  }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(5,10,20,.82);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
  }
  .site-header::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:0;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(140,180,255,.34),transparent);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    gap:26px;
    height:64px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-weight:700;
    font-size:16px;
    color:var(--t1);
    letter-spacing:.01em;
    white-space:nowrap;
  }
  .logo-mark{
    width:24px;
    height:24px;
    border-radius:8px;
    background:linear-gradient(135deg,var(--brand),var(--cyan));
    box-shadow:0 0 0 1px rgba(45,123,255,.4), 0 6px 18px rgba(45,123,255,.35);
    position:relative;
    flex:0 0 24px;
  }
  .logo-mark::after{
    content:"";
    position:absolute;
    inset:5px;
    border-radius:4px;
    background:var(--bg-base);
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:26px;
    margin-left:6px;
  }
  .nav-link{
    position:relative;
    padding:20px 0;
    font-size:15px;
    color:var(--t2);
    transition:color .18s ease;
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--t1);}
  .nav-link.active{color:var(--t1);}
  .nav-link.active::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:13px;
    height:2px;
    border-radius:2px;
    background:linear-gradient(90deg,var(--brand),var(--cyan));
  }
  .nav-right{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:14px;
  }
  .search-box{
    display:flex;
    align-items:center;
    gap:8px;
    width:210px;
    padding:8px 14px;
    border-radius:999px;
    background:var(--glass);
    border:1px solid var(--glass-border);
    color:var(--t3);
    transition:border-color .18s ease, box-shadow .18s ease;
  }
  .search-box input{
    width:100%;
    background:none;
    border:none;
    outline:none;
    font-size:13px;
    color:var(--t1);
  }
  .search-box input::placeholder{color:var(--t3);}
  .search-box:focus-within{
    border-color:var(--glass-border-hi);
    box-shadow:var(--glow);
  }
  .link-login{
    font-size:14px;
    color:var(--t2);
    transition:color .18s ease;
    white-space:nowrap;
  }
  .link-login:hover{color:var(--brand-400);}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:999px;
    border:1px solid transparent;
    font-weight:600;
    cursor:pointer;
    transition:transform .18s ease, filter .18s ease, background .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
    text-align:center;
    white-space:nowrap;
  }
  .btn-sm{padding:8px 18px;font-size:14px;}
  .btn-lg{padding:14px 30px;font-size:16px;}
  .btn-block{width:100%;}
  .btn-primary{
    background:linear-gradient(135deg,var(--brand),var(--brand-700));
    color:#fff;
    box-shadow:var(--glow);
  }
  .btn-primary:hover{filter:brightness(1.08);}
  .btn-primary:active{filter:brightness(.94);transform:translateY(1px);}
  .btn-ghost{
    background:rgba(255,255,255,.02);
    border-color:var(--glass-border);
    color:var(--t1);
  }
  .btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--glass-border-hi);}
  .btn-ghost:active{transform:translateY(1px);}

  .nav-toggle{
    display:none;
    width:40px;
    height:40px;
    border-radius:12px;
    background:var(--glass);
    border:1px solid var(--glass-border);
    position:relative;
    cursor:pointer;
  }
  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after{
    position:absolute;
    left:11px;
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--t1);
    transition:transform .2s ease, opacity .2s ease;
  }
  .nav-toggle span{top:19px;}
  .nav-toggle span::before{content:"";left:0;top:-6px;}
  .nav-toggle span::after{content:"";left:0;top:6px;}
  .nav-toggle[aria-expanded="true"] span{transform:rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span::before{transform:rotate(-90deg) translateX(6px);opacity:0;}
  .nav-toggle[aria-expanded="true"] span::after{transform:rotate(-90deg) translateX(-6px);opacity:0;}

  /* ============ 移动抽屉 ============ */
  .drawer-backdrop{
    position:fixed;
    inset:0;
    background:rgba(3,6,12,.62);
    backdrop-filter:blur(4px);
    z-index:70;
    opacity:0;
    transition:opacity .28s ease;
  }
  .drawer-backdrop.show{opacity:1;}
  .nav-drawer{
    position:fixed;
    top:0;right:0;
    height:100%;
    width:min(88vw,360px);
    background:var(--bg-elev);
    border-left:1px solid var(--line);
    z-index:80;
    padding:20px;
    overflow-y:auto;
    transform:translateX(102%);
    transition:transform .3s ease;
    display:flex;
    flex-direction:column;
    gap:18px;
  }
  .nav-drawer.open{transform:none;}
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:16px;
    border-bottom:1px solid var(--line);
    font-weight:700;
    color:var(--t1);
  }
  .drawer-close{
    width:34px;height:34px;
    border-radius:10px;
    background:var(--glass);
    border:1px solid var(--glass-border);
    color:var(--t1);
    font-size:20px;
    line-height:1;
    cursor:pointer;
  }
  .search-box--wide{width:100%;}
  .drawer-links{display:flex;flex-direction:column;}
  .drawer-links a{
    padding:14px 0;
    border-bottom:1px solid var(--line);
    color:var(--t2);
    font-size:15px;
  }
  .drawer-links a.active{color:var(--t1);}
  .drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:auto;}
  body.drawer-open{overflow:hidden;}

  /* ============ 通用板块 ============ */
  .section{padding:96px 0;position:relative;}
  .section--alt{background:linear-gradient(180deg,rgba(10,18,32,.65),rgba(5,10,20,0));}
  .section-head{max-width:760px;margin-bottom:44px;}
  .section-head h2{
    position:relative;
    padding-left:16px;
    font-size:clamp(22px,2.6vw,30px);
  }
  .section-head h2::before{
    content:"";
    position:absolute;
    left:0;top:.18em;
    width:4px;
    height:1.05em;
    border-radius:3px;
    background:linear-gradient(180deg,var(--brand),var(--cyan));
  }
  .section-desc{
    margin-top:12px;
    font-size:15px;
    color:var(--t2);
    max-width:42em;
  }
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 12px;
    border-radius:999px;
    border:1px solid rgba(34,211,197,.35);
    background:rgba(34,211,197,.08);
    color:var(--cyan);
    font-size:12px;
    letter-spacing:.04em;
  }
  .badge--amber{
    border-color:rgba(255,180,84,.42);
    background:rgba(255,180,84,.1);
    color:var(--amber);
  }
  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--brand-400);
    transition:color .18s ease, gap .18s ease;
  }
  .text-link:hover{color:var(--cyan);gap:10px;}

  /* ============ 分类页 Hero ============ */
  .page-hero{
    position:relative;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .page-hero .hero-bg{
    position:absolute;
    inset:0;
    background-image:url("/assets/images/backpic/back-2.webp");
    background-size:cover;
    background-position:center 32%;
    opacity:.34;
  }
  .page-hero .hero-overlay{
    position:absolute;
    inset:0;
    background:
      linear-gradient(180deg,rgba(5,10,20,.72),rgba(5,10,20,.92)),
      radial-gradient(600px 320px at 12% 0%, rgba(45,123,255,.28), transparent 66%),
      radial-gradient(520px 280px at 92% 96%, rgba(34,211,197,.16), transparent 62%);
  }
  .page-hero .hero-inner{
    position:relative;
    z-index:1;
    padding:64px 0 56px;
    max-width:900px;
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--t3);
    margin-bottom:18px;
  }
  .breadcrumb a:hover{color:var(--brand-400);}
  .breadcrumb .current{color:var(--t2);}
  .page-hero h1{
    font-size:clamp(30px,4.4vw,48px);
    line-height:1.22;
    font-weight:700;
    letter-spacing:.005em;
  }
  .hero-sub{
    margin-top:18px;
    font-size:17px;
    color:var(--t2);
    max-width:38em;
  }
  .anchor-pills{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:30px;
  }
  .anchor-pills a{
    padding:7px 16px;
    border-radius:999px;
    background:var(--glass);
    border:1px solid var(--glass-border);
    font-size:13px;
    color:var(--t2);
    transition:border-color .18s ease, color .18s ease, background .18s ease;
  }
  .anchor-pills a:hover{
    color:var(--t1);
    border-color:var(--glass-border-hi);
    background:rgba(255,255,255,.06);
  }

  /* ============ 7:5 分栏 ============ */
  .split{
    display:grid;
    grid-template-columns:7fr 5fr;
    gap:32px;
    align-items:start;
  }

  /* ============ FAQ ============ */
  .faq-item{
    background:var(--glass);
    border:1px solid var(--glass-border);
    border-radius:14px;
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .2s ease, background .2s ease;
  }
  .faq-item:hover{border-color:rgba(90,156,255,.28);}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:18px 22px;
    color:var(--t1);
    font-size:16px;
    font-weight:600;
    line-height:1.5;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";
    flex:0 0 auto;
    font-size:20px;
    font-weight:400;
    color:var(--brand-400);
    transition:transform .2s ease, color .2s ease;
  }
  .faq-item[open]{
    background:rgba(255,255,255,.06);
    border-color:var(--glass-border-hi);
    position:relative;
  }
  .faq-item[open]::before{
    content:"";
    position:absolute;
    left:0;top:0;bottom:0;
    width:2px;
    background:linear-gradient(180deg,var(--brand),var(--cyan));
  }
  .faq-item[open] summary::after{content:"−";color:var(--cyan);}
  .faq-body{
    padding:0 22px 20px;
    font-size:15px;
    line-height:1.85;
    color:var(--t2);
    max-width:40em;
  }

  /* ============ 侧栏 ============ */
  .side{
    display:flex;
    flex-direction:column;
    gap:20px;
    position:sticky;
    top:88px;
  }
  .side-card{
    background:linear-gradient(180deg,rgba(12,23,40,.9),rgba(10,18,32,.9));
    border:1px solid var(--glass-border);
    border-radius:var(--radius-lg);
    padding:24px;
  }
  .side-card h3{
    font-size:17px;
    margin-bottom:14px;
  }
  .side-list{display:flex;flex-direction:column;}
  .side-list a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:11px 0;
    border-bottom:1px dashed var(--line);
    font-size:14.5px;
    color:var(--t2);
    transition:color .18s ease, padding-left .18s ease;
  }
  .side-list a:last-child{border-bottom:none;}
  .side-list a:hover{color:var(--brand-400);padding-left:4px;}
  .side-list a span{color:var(--t3);font-size:13px;}
  .side-card--contact{
    background:
      radial-gradient(320px 180px at 100% 0%, rgba(34,211,197,.14), transparent 65%),
      linear-gradient(180deg,rgba(12,23,40,.9),rgba(10,18,32,.9));
  }
  .contact-line{
    display:flex;
    align-items:center;
    gap:10px;
    padding:10px 0;
    font-size:14.5px;
    color:var(--t2);
  }
  .contact-line svg{flex:0 0 auto;color:var(--cyan);}
  .side-note{
    margin-top:14px;
    font-size:13px;
    color:var(--t3);
    line-height:1.75;
  }

  /* ============ 主题卡（2+1） ============ */
  .topic-grid{
    display:grid;
    grid-template-columns:7fr 5fr;
    gap:24px;
    align-items:stretch;
  }
  .card{
    background:var(--bg-elev2);
    border:1px solid var(--glass-border);
    border-radius:var(--radius-md);
    overflow:hidden;
    transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  }
  .card:hover{
    transform:translateY(-4px);
    border-color:var(--glass-border-hi);
    box-shadow:var(--shadow-soft);
  }
  .card-lg{display:flex;flex-direction:column;}
  .card-lg .card-media{
    aspect-ratio:16/9;
    overflow:hidden;
    background:rgba(12,23,40,.9);
    position:relative;
  }
  .card-lg .card-media img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .35s ease;
  }
  .card-lg:hover .card-media img{transform:scale(1.03);}
  .card-body{padding:24px;display:flex;flex-direction:column;gap:12px;}
  .card-body h3{font-size:19px;}
  .card-body p{font-size:15px;color:var(--t2);}
  .stack{display:flex;flex-direction:column;gap:24px;}
  .card-sm{display:flex;gap:16px;padding:16px;align-items:center;}
  .card-sm .thumb{
    width:96px;height:76px;
    flex:0 0 96px;
    border-radius:12px;
    overflow:hidden;
    background:rgba(12,23,40,.9);
  }
  .card-sm .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
  .card-sm:hover .thumb img{transform:scale(1.05);}
  .card-sm h3{font-size:16px;margin-bottom:6px;}
  .card-sm p{font-size:13.5px;color:var(--t3);line-height:1.75;}

  /* ============ 时间线 ============ */
  .timeline{
    list-style:none;
    position:relative;
    padding-left:38px;
    max-width:780px;
  }
  .timeline::before{
    content:"";
    position:absolute;
    left:11px;top:8px;bottom:8px;
    width:2px;
    border-radius:2px;
    background:linear-gradient(180deg,var(--brand),var(--cyan));
    opacity:.85;
  }
  .tl-item{
    position:relative;
    padding-bottom:34px;
  }
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{
    content:"";
    position:absolute;
    left:-32px;top:8px;
    width:12px;height:12px;
    border-radius:50%;
    background:var(--bg-base);
    border:2px solid var(--brand-400);
    box-shadow:0 0 0 4px rgba(45,123,255,.12);
  }
  .tl-num{
    display:block;
    font-size:13px;
    font-weight:600;
    letter-spacing:.06em;
    color:var(--brand-400);
    font-variant-numeric:tabular-nums;
    margin-bottom:4px;
  }
  .tl-item h3{font-size:17px;margin-bottom:6px;}
  .tl-item p{font-size:15px;color:var(--t2);max-width:44em;}

  /* ============ 反馈表单 ============ */
  .feedback-panel{
    background:
      radial-gradient(520px 260px at 0% 0%, rgba(45,123,255,.14), transparent 62%),
      linear-gradient(180deg,rgba(12,23,40,.92),rgba(10,18,32,.92));
    border:1px solid var(--glass-border);
    border-radius:var(--radius-lg);
    padding:32px;
  }
  .form-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:20px;
  }
  .field{display:flex;flex-direction:column;gap:8px;}
  .field--full{grid-column:1 / -1;}
  .field label{font-size:13.5px;color:var(--t2);}
  .field input,
  .field select,
  .field textarea{
    width:100%;
    padding:12px 14px;
    border-radius:var(--radius-sm);
    background:var(--glass);
    border:1px solid var(--glass-border);
    color:var(--t1);
    font-size:14.5px;
    outline:none;
    transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
  }
  .field input::placeholder,
  .field textarea::placeholder{color:var(--t3);}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    border-color:var(--glass-border-hi);
    background:rgba(255,255,255,.05);
    box-shadow:var(--glow);
  }
  .field textarea{resize:vertical;min-height:110px;line-height:1.8;}
  .field select option{background:var(--bg-elev);color:var(--t1);}
  .form-actions{
    grid-column:1 / -1;
    display:flex;
    align-items:center;
    gap:16px;
    flex-wrap:wrap;
    margin-top:4px;
  }
  .form-hint{font-size:13px;color:var(--t3);}
  .form-msg{
    grid-column:1 / -1;
    font-size:14px;
    color:var(--cyan);
    min-height:20px;
  }

  /* ============ CTA ============ */
  .cta-panel{
    position:relative;
    overflow:hidden;
    border-radius:20px;
    border:1px solid var(--glass-border);
    background:
      radial-gradient(640px 320px at 50% 0%, rgba(45,123,255,.22), transparent 66%),
      linear-gradient(180deg,rgba(12,23,40,.94),rgba(8,14,26,.94));
    padding:64px 32px;
    text-align:center;
  }
  .cta-panel h2{
    font-size:clamp(23px,3vw,32px);
    margin-bottom:14px;
  }
  .cta-panel p{
    max-width:44em;
    margin:0 auto;
    font-size:16px;
    color:var(--t2);
  }
  .cta-actions{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:18px;
    flex-wrap:wrap;
    margin-top:30px;
  }

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:24px;
    border-top:1px solid var(--line);
    background:linear-gradient(180deg,rgba(10,18,32,.6),rgba(5,10,20,1));
    padding:64px 0 28px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.2fr;
    gap:40px;
  }
  .footer-brand p{
    margin-top:16px;
    font-size:14px;
    color:var(--t3);
    line-height:1.85;
    max-width:34em;
  }
  .footer-col h4{
    font-size:15px;
    margin-bottom:16px;
    color:var(--t1);
  }
  .footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
  .footer-col a{
    font-size:14px;
    color:var(--t2);
    transition:color .18s ease;
  }
  .footer-col a:hover{color:var(--brand-400);}
  .footer-contact li{
    display:flex;
    align-items:center;
    gap:9px;
    font-size:13.5px;
    color:var(--t2);
  }
  .footer-contact svg{color:var(--cyan);flex:0 0 auto;}
  .footer-bottom{
    margin-top:44px;
    padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:13px;
    color:var(--t3);
  }
  .footer-bottom .domain{color:var(--t3);}

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .nav-links{display:none;}
    .search-box{display:none;}
    .link-login{display:none;}
    .nav-toggle{display:block;}
    .split{grid-template-columns:1fr;}
    .side{position:static;top:auto;flex-direction:row;flex-wrap:wrap;}
    .side > .side-card{flex:1 1 320px;}
    .topic-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:768px){
    .container{padding:0 20px;}
    .section{padding:64px 0;}
    .page-hero .hero-inner{padding:48px 0 44px;}
    .hero-sub{font-size:15.5px;}
    .card-sm{align-items:flex-start;}
    .feedback-panel{padding:24px;}
    .form-grid{grid-template-columns:1fr;}
    .cta-panel{padding:48px 22px;}
    .timeline{padding-left:30px;}
    .tl-item::before{left:-27px;}
  }
  @media (max-width:640px){
    .logo-text{font-size:14.5px;}
    .card-sm .thumb{width:80px;height:64px;flex:0 0 80px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .anchor-pills a{font-size:12.5px;padding:6px 13px;}
  }
  @media (max-width:520px){
    .btn-lg{padding:12px 22px;font-size:15px;}
    .cta-actions{flex-direction:column;align-items:stretch;}
    .cta-actions .btn{width:100%;}
  }

/* roulang page: category5 */
:root{
  --bg-base:#050A14;
  --bg-elev:#0A1220;
  --bg-elev2:#0C1728;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(140,180,255,.14);
  --brand:#2D7BFF;
  --brand-400:#5A9CFF;
  --brand-700:#1B4FCC;
  --cyan:#22D3C5;
  --cyan-700:#12998F;
  --amber:#FFB454;
  --t1:#EAF1FF;
  --t2:#A8B8D0;
  --t3:#6B7C99;
  --line:rgba(140,180,255,.12);
  --glow:0 0 0 1px rgba(45,123,255,.35), 0 10px 34px rgba(45,123,255,.32);
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--t2);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:600;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:8px;}
::selection{background:rgba(45,123,255,.35);color:#fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:.02em;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;font-weight:600;
  cursor:pointer;transition:background-color .18s ease,box-shadow .18s ease,transform .18s ease,filter .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-md{padding:11px 22px;font-size:15px;}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-700));color:#fff;box-shadow:var(--glow);}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(90,156,255,.55),0 16px 44px rgba(45,123,255,.42);}
.btn-primary:active{filter:brightness(.94);transform:translateY(1px);}
.btn-ghost{background:rgba(255,255,255,.02);border-color:var(--glass-border);color:var(--t1);}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--brand-400);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.link-arrow{color:var(--brand-400);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:color .18s ease,gap .18s ease;}
.link-arrow:hover{color:var(--cyan);gap:10px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,10,20,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(90,156,255,.5),transparent);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  position:relative;width:24px;height:24px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  box-shadow:0 0 0 1px rgba(140,180,255,.35),0 6px 18px rgba(45,123,255,.35);
}
.logo-mark::after{content:"";position:absolute;inset:6px;border-radius:4px;background:var(--bg-base);}
.logo-text{color:var(--t1);font-weight:700;font-size:16px;letter-spacing:.02em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{position:relative;font-size:15px;color:var(--t2);padding:6px 0;transition:color .18s ease;}
.nav-link:hover{color:var(--t1);}
.nav-link.active{color:var(--t1);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-19px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;width:200px;padding:8px 14px;
  border-radius:999px;border:1px solid var(--glass-border);
  background:rgba(255,255,255,.03);color:var(--t3);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(45,123,255,.18);}
.search-box input{
  width:100%;border:0;background:transparent;color:var(--t1);font-size:14px;outline:none;
}
.search-box input::placeholder{color:var(--t3);}
.link-login{font-size:15px;color:var(--t2);transition:color .18s ease;}
.link-login:hover{color:var(--brand-400);}
.nav-toggle{
  display:none;position:relative;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--glass-border);background:rgba(255,255,255,.03);cursor:pointer;
}
.nav-toggle::before{
  content:"";position:absolute;left:11px;top:14px;width:18px;height:2px;border-radius:2px;
  background:var(--t1);box-shadow:0 6px 0 var(--t1);transition:transform .2s ease,box-shadow .2s ease;
}
.nav-toggle::after{
  content:"";position:absolute;left:11px;top:26px;width:18px;height:2px;border-radius:2px;
  background:var(--t1);transition:transform .2s ease;
}
.nav-toggle.open::before{transform:translateY(6px) rotate(45deg);box-shadow:none;}
.nav-toggle.open::after{transform:translateY(-6px) rotate(-45deg);}
.nav-drawer{
  position:fixed;inset:0;z-index:70;background:rgba(5,10,20,.86);
  backdrop-filter:blur(12px);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.nav-drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(86vw,340px);height:100%;
  background:var(--bg-elev);border-left:1px solid var(--glass-border);
  padding:26px 22px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s ease;
}
.nav-drawer.open .drawer-panel{transform:translateX(0);}
.drawer-search{width:100%;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  padding:14px 2px;font-size:15px;color:var(--t2);border-bottom:1px solid var(--line);
  transition:color .18s ease,padding-left .18s ease;
}
.drawer-links a:hover,.drawer-links a.active{color:var(--t1);padding-left:6px;}
.drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:auto;}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:64px 0 56px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,10,20,.84),rgba(5,10,20,.95)),
    radial-gradient(circle at 12% 16%,rgba(45,123,255,.30),transparent 55%),
    radial-gradient(circle at 86% 84%,rgba(34,211,197,.18),transparent 55%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(140,180,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(140,180,255,.6) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px;margin-bottom:20px;}
.breadcrumb a{transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand-400);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--t2);}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.22;font-weight:700;
  max-width:900px;margin-bottom:16px;
}
.page-hero .lede{font-size:17px;color:var(--t2);max-width:640px;margin-bottom:28px;}
.anchor-bar{display:flex;flex-wrap:wrap;gap:12px;}
.anchor-pill{
  padding:8px 18px;border-radius:999px;font-size:14px;
  border:1px solid rgba(34,211,197,.35);background:var(--glass);color:var(--t1);
  transition:border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.anchor-pill:hover{border-color:var(--cyan);background:rgba(34,211,197,.10);transform:translateY(-2px);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.alt{background:var(--bg-elev);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-title{
  position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:600;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.section-sub{color:var(--t3);font-size:14px;margin-top:10px;padding-left:16px;max-width:720px;}
.lead-text{font-size:17px;line-height:1.9;color:var(--t2);max-width:44em;}

/* ---------- 图文两栏 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;}
.split.reverse{grid-template-columns:7fr 5fr;}
.split-media{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--glass-border);background:var(--bg-elev2);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.split-media:hover img{transform:scale(1.03);}
.media-caption{font-size:13px;color:var(--t3);text-align:center;margin-top:12px;}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.check-list li{position:relative;padding-left:24px;color:var(--t2);font-size:16px;}
.check-list li::before{
  content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,197,.13);
}
.check-list strong{color:var(--t1);font-weight:600;}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:26px 22px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat-num{font-size:28px;color:var(--t1);font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:.02em;}
.stat-num span{font-size:15px;color:var(--t3);margin-left:4px;font-weight:400;}
.stat-label{font-size:13px;color:var(--t3);margin-top:6px;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px;max-width:820px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));opacity:.85;
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:8px;width:10px;height:10px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,197,.14);
}
.tl-num{font-size:13px;color:var(--brand-400);font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:.1em;}
.tl-item h3{font-size:18px;margin:6px 0 8px;line-height:1.4;}
.tl-item p{margin:0;color:var(--t2);font-size:15.5px;max-width:40em;}

/* ---------- 清单卡与提示卡 ---------- */
.two-col{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
.panel{
  border:1px solid var(--glass-border);border-radius:18px;background:var(--glass);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:26px;
}
.panel h3{font-size:19px;margin-bottom:14px;}
.panel-list{display:flex;flex-direction:column;gap:16px;}
.panel-list li{display:flex;gap:14px;align-items:flex-start;}
.panel-list .idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:13px;font-weight:600;color:var(--brand-400);background:rgba(45,123,255,.12);
  border:1px solid rgba(45,123,255,.28);font-variant-numeric:tabular-nums;
}
.panel-list p{margin:0;font-size:15px;color:var(--t2);}
.panel-list strong{color:var(--t1);display:block;margin-bottom:2px;font-size:15.5px;}
.tip-card{
  border:1px solid var(--glass-border);border-radius:18px;overflow:hidden;
  background:var(--bg-elev2);display:flex;flex-direction:column;
}
.tip-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.tip-body{padding:24px;}
.tip-body h3{font-size:19px;margin-bottom:12px;}
.tip-body p{font-size:15px;color:var(--t2);margin-bottom:14px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;color:var(--t1);border:1px solid rgba(34,211,197,.35);background:rgba(34,211,197,.08);
}
.badge-amber{border-color:rgba(255,180,84,.4);background:rgba(255,180,84,.10);color:var(--amber);}

/* ---------- 表格 ---------- */
.table-wrap{
  border:1px solid var(--glass-border);border-radius:18px;overflow:hidden;
  background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.record-table{width:100%;border-collapse:collapse;font-size:15px;}
.record-table th{
  text-align:left;padding:15px 20px;background:rgba(255,255,255,.045);
  color:var(--t2);font-weight:600;font-size:14px;white-space:nowrap;
}
.record-table td{padding:16px 20px;border-top:1px solid var(--line);color:var(--t2);vertical-align:middle;}
.record-table tbody tr:nth-child(odd){background:rgba(255,255,255,.02);}
.record-table tbody tr:hover{background:rgba(45,123,255,.07);}
.record-table .cell-title{color:var(--t1);font-weight:600;}
.record-table time{font-variant-numeric:tabular-nums;color:var(--t3);font-size:14px;}
.state{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--cyan);}
.state::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,197,.14);}
.table-note{font-size:13px;color:var(--t3);margin-top:14px;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;border:1px solid var(--glass-border);border-radius:14px;
  background:var(--glass);overflow:hidden;transition:border-color .2s ease,background-color .2s ease;
}
.faq-item:hover{border-color:rgba(90,156,255,.35);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 54px 18px 22px;font-size:16.5px;font-weight:600;color:var(--t1);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--brand-400);transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);color:var(--cyan);}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.faq-item[open]{background:rgba(255,255,255,.06);}
.faq-body{padding:0 22px 20px;font-size:15.5px;color:var(--t2);line-height:1.9;}

/* ---------- CTA ---------- */
.cta-section{padding:88px 0;}
.cta-panel{
  position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--glass-border);
  background:var(--glass);padding:56px 32px;text-align:center;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 0%,rgba(45,123,255,.26),transparent 62%);
}
.cta-panel > *{position:relative;z-index:1;}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;}
.cta-panel p{max-width:620px;margin:0 auto 28px;color:var(--t2);}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;align-items:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-elev);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand p{font-size:14px;color:var(--t3);margin-top:18px;max-width:34em;line-height:1.85;}
.footer-col h4{font-size:15px;color:var(--t1);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--t2);transition:color .18s ease;}
.footer-col a:hover{color:var(--brand-400);}
.footer-contact li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--t2);}
.footer-contact svg{color:var(--brand-400);flex:0 0 auto;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.footer-bottom .domain{color:var(--t3);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links,.nav-right .search-box,.nav-right .link-login,.nav-right .btn{display:none;}
  .nav-toggle{display:block;}
  .split,.split.reverse,.two-col{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:80px 0;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .page-hero{padding:48px 0 44px;background-position:center 30%;}
  .stat-bar{grid-template-columns:1fr 1fr;}
  .stat{border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
  .stat:nth-child(2n){border-right:0;}
  .stat:nth-child(n+3){border-bottom:0;}
  .cta-panel{padding:44px 22px;}
  .cta-section{padding:64px 0;}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;}
  .record-table thead{display:none;}
  .record-table,.record-table tbody,.record-table tr,.record-table td{display:block;width:100%;}
  .record-table tr{
    padding:14px 16px;border-top:1px solid var(--line);
    background:rgba(255,255,255,.02);
  }
  .record-table tr:first-child{border-top:0;}
  .record-table td{
    border-top:0;padding:6px 0;display:flex;justify-content:space-between;gap:18px;
  }
  .record-table td::before{
    content:attr(data-label);color:var(--t3);font-size:13px;flex:0 0 auto;
  }
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .stat-bar{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat:nth-child(n+3){border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:0;}
  .btn-lg{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .link-arrow{justify-content:center;}
}