/* roulang page: index */
:root{
  --bg:#05080F;
  --bg-2:#080D18;
  --bg-3:#0B1220;
  --panel:#101828;
  --panel-2:#0C1424;
  --mint:#2AD8C4;
  --mint-deep:#12A99A;
  --amber:#FFB443;
  --violet:#6E7CFF;
  --ok:#3ED598;
  --err:#FF6B5B;
  --text:#E9F1FF;
  --text-2:#9DAEC8;
  --text-3:#6B7B95;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.06);
  --glass:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:12px;
  --sh-card:0 18px 40px rgba(0,0,0,.45);
  --sh-hover:0 24px 56px rgba(0,0,0,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 460px at 6% -8%,rgba(42,216,196,.10),transparent 65%),
    radial-gradient(760px 520px at 98% 106%,rgba(255,180,67,.07),transparent 68%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.03;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:48px 48px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mint);text-decoration:none;transition:color .2s var(--ease)}
a:hover,a:focus{color:var(--amber)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
.tabular{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px;position:relative;z-index:2}
.wrap-wide{max-width:1320px}
.site-main{position:relative;z-index:1}
.section{padding:96px 0;position:relative}
.section-alt{background:var(--bg-2)}
.section-alt-2{background:var(--bg-3)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap}
.sec-title{display:flex;align-items:center;gap:14px}
.sec-num{
  font-size:14px;font-weight:700;color:var(--mint);letter-spacing:.06em;
  padding-right:14px;border-right:1px solid rgba(42,216,196,.35);line-height:1;
  font-variant-numeric:tabular-nums;
}
.sec-title h2{font-size:32px}
.sec-desc{color:var(--text-2);font-size:15px;max-width:520px;line-height:1.8}
.link-more{color:var(--mint);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px}
.link-more i{transition:transform .2s var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn-lg{height:52px;padding:0 30px;font-size:16px;border-radius:14px}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-pill{border-radius:999px}
.btn-primary{
  background:linear-gradient(135deg,var(--mint),var(--mint-deep));
  color:#05121A;
  box-shadow:0 0 0 1px rgba(42,216,196,.5),0 0 24px rgba(42,216,196,.35);
}
.btn-primary:hover,.btn-primary:focus{
  color:#05121A;filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(42,216,196,.6),0 0 34px rgba(42,216,196,.55);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.97);box-shadow:0 0 0 1px rgba(42,216,196,.45),0 0 14px rgba(42,216,196,.28)}
.btn-ghost{background:transparent;border-color:rgba(42,216,196,.4);color:var(--mint)}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(42,216,196,.1);border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.14);color:var(--text)}
.btn-line:hover,.btn-line:focus{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.05);color:var(--text)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}
.btn:focus-visible,.link-more:focus-visible,.nav-chip:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--mint);outline-offset:2px;
}

/* 标签 / 徽章 */
.cat-chip{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(110,124,255,.14);color:#A9B2FF;border:1px solid rgba(110,124,255,.28);
}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge-amber{background:rgba(255,180,67,.15);color:var(--amber)}
.badge-mint{background:rgba(42,216,196,.14);color:var(--mint)}
.badge-violet{background:rgba(110,124,255,.16);color:#A9B2FF}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(5,8,15,.86);transition:all .25s var(--ease)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:transparent;transition:background .25s var(--ease)}
.site-header.is-scrolled{background:rgba(5,8,15,.72);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%)}
.site-header.is-scrolled::after{background:var(--line)}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;transition:min-height .25s var(--ease)}
.site-header.is-scrolled .header-top-inner{min-height:62px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(150deg,rgba(42,216,196,.22),rgba(255,180,67,.16));
  border:1px solid rgba(42,216,196,.42);color:var(--mint);font-size:15px;
  box-shadow:0 0 18px rgba(42,216,196,.25);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.01em}
.header-actions{display:flex;align-items:center;gap:16px}
.link-quiet{color:var(--text-2);font-size:15px;font-weight:600}
.link-quiet:hover{color:var(--mint)}
.header-chips{border-top:1px solid var(--line-2)}
.chips-scroll{display:flex;align-items:center;gap:10px;padding:11px 20px;overflow-x:auto;scrollbar-width:none}
.chips-scroll::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:999px;
  background:transparent;border:1px solid rgba(255,255,255,.12);color:var(--text-2);
  font-size:14px;font-weight:600;white-space:nowrap;transition:all .2s var(--ease);
}
.nav-chip:hover{border-color:rgba(42,216,196,.4);color:var(--text)}
.nav-chip.is-active{
  border-color:var(--mint);color:var(--mint);background:rgba(42,216,196,.12);
  box-shadow:0 0 18px rgba(42,216,196,.18);
}
.nav-chip.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:transparent;
  border:1px solid rgba(255,255,255,.14);color:var(--text);font-size:16px;
}
.nav-toggle:hover{border-color:rgba(42,216,196,.5);color:var(--mint)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,12,.72);z-index:80;opacity:0;transition:opacity .25s var(--ease)}
.drawer-mask.is-open{opacity:1}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;z-index:90;
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s var(--ease);
  padding:22px 22px 34px;overflow-y:auto;display:flex;flex-direction:column;gap:22px;
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:16px;font-weight:800}
.drawer-close{width:40px;height:40px;border-radius:11px;border:1px solid var(--line);background:transparent;color:var(--text-2);font-size:15px}
.drawer-close:hover{color:var(--mint);border-color:rgba(42,216,196,.4)}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;min-height:46px;padding:0 14px;
  border-radius:12px;border:1px solid var(--line-2);color:var(--text-2);font-weight:600;font-size:15px;
}
.drawer-nav a.is-active{color:var(--mint);border-color:rgba(42,216,196,.45);background:rgba(42,216,196,.1)}
.drawer-nav a:hover{color:var(--text);border-color:rgba(255,255,255,.2)}
.drawer-info{border-top:1px solid var(--line-2);padding-top:18px;color:var(--text-3);font-size:13.5px;line-height:2}
.drawer-info strong{color:var(--text-2);font-weight:600}

/* Hero */
.hero{position:relative;overflow:hidden;padding:84px 0 70px;background:var(--bg-3)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 28%;opacity:.45}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 420px at 12% 8%,rgba(42,216,196,.20),transparent 62%),
    radial-gradient(680px 460px at 92% 96%,rgba(255,180,67,.16),transparent 66%),
    linear-gradient(180deg,rgba(5,8,15,.72),rgba(5,8,15,.94));
}
.hero-inner{position:relative;z-index:2;row-gap:44px}
.hero-copy h1{font-size:48px;line-height:1.2;margin:18px 0 16px}
.hero-sub{font-size:18px;color:var(--text-2);max-width:520px;line-height:1.75}
.hero-btns{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-points{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:30px;color:var(--text-2);font-size:14.5px}
.hero-points li{display:flex;align-items:center;gap:9px}
.hero-points i{color:var(--mint);font-size:13px}
.glass{
  background:var(--glass);border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  border-radius:var(--r-panel);
}
.seat-card{padding:26px 26px 22px;box-shadow:var(--sh-card)}
.seat-card h2{font-size:17px;margin-bottom:6px}
.seat-note{color:var(--text-3);font-size:13px;margin-bottom:18px}
.seat-list li{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--line-2)}
.seat-list li:last-child{border-bottom:0}
.seat-key{color:var(--text-2);font-size:14px}
.seat-val{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums}
.seat-val.mint{color:var(--mint)}
.seat-val.amber{color:var(--amber)}
.seat-card .btn{width:100%;margin-top:16px}

/* 数据条 */
.statbar{background:var(--bg-2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);padding:30px 0}
.stat{text-align:left;padding:10px 4px;border-left:1px solid var(--line-2);padding-left:20px}
.stat-num{font-size:32px;font-weight:800;color:var(--mint);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:var(--text-3);margin-top:6px}

/* 议程时间线 */
.chip-group{display:flex;gap:10px;margin-bottom:32px;flex-wrap:wrap}
.timeline{position:relative;padding-top:6px}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(42,216,196,.75),rgba(42,216,196,.05));
}
.tl-item{position:relative;width:50%;padding:0 42px 34px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 34px 42px}
.tl-dot{
  position:absolute;right:-8px;top:24px;width:14px;height:14px;border-radius:50%;
  background:var(--mint);box-shadow:0 0 0 4px rgba(42,216,196,.14),0 0 18px rgba(42,216,196,.65);
}
.tl-item:nth-child(even) .tl-dot{left:-8px;right:auto;background:var(--amber);box-shadow:0 0 0 4px rgba(255,180,67,.14),0 0 18px rgba(255,180,67,.6)}
.tl-card{
  background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-card);transition:all .25s var(--ease);
}
.tl-card:hover{border-color:rgba(42,216,196,.35);transform:translateY(-3px)}
.tl-time{font-size:13px;color:var(--mint);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tl-card h3{font-size:19px;margin:8px 0 8px}
.tl-meta{color:var(--text-3);font-size:13.5px;display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:10px}
.is-hidden{display:none}

/* 嘉宾区 */
.feature-card{overflow:hidden;border-radius:var(--r-panel);border:1px solid var(--line-2);background:var(--panel);box-shadow:var(--sh-card);transition:all .25s var(--ease)}
.feature-card:hover{border-color:rgba(42,216,196,.32);box-shadow:var(--sh-hover)}
.feature-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.feature-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.feature-card:hover .feature-cover img{transform:scale(1.03)}
.feature-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.05),rgba(16,24,40,.9))}
.feature-body{padding:22px 24px 26px}
.feature-body h3{font-size:22px;margin-bottom:8px}
.feature-role{color:var(--mint);font-size:14px;font-weight:600;margin-bottom:12px}
.feature-body p{color:var(--text-2);font-size:15px;line-height:1.85}
.mini-card{
  display:flex;gap:16px;align-items:center;padding:16px;border-radius:var(--r-card);
  background:var(--panel);border:1px solid var(--line-2);box-shadow:var(--sh-card);
  transition:all .25s var(--ease);margin-bottom:20px;
}
.mini-card:last-child{margin-bottom:0}
.mini-card:hover{border-color:rgba(42,216,196,.32);transform:translateY(-3px)}
.mini-card img{width:78px;height:78px;border-radius:12px;object-fit:cover;flex:0 0 auto}
.mini-card h3{font-size:17px;margin-bottom:6px}
.mini-card span{color:var(--text-3);font-size:13.5px}

/* 票种对比 */
.ticket{
  position:relative;height:100%;display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-panel);
  padding:28px 24px;box-shadow:var(--sh-card);transition:all .25s var(--ease);
}
.ticket:hover{transform:translateY(-6px);box-shadow:var(--sh-hover);border-color:rgba(42,216,196,.3)}
.ticket.is-featured{
  background:var(--glass);border-color:rgba(42,216,196,.55);
  transform:translateY(-12px);box-shadow:0 24px 56px rgba(0,0,0,.55),0 0 0 1px rgba(42,216,196,.2);
}
.ticket.is-featured:hover{transform:translateY(-18px)}
.ticket-badge{position:absolute;top:-11px;left:24px}
.ticket-name{font-size:16px;color:var(--text-2);font-weight:600}
.ticket-price{display:flex;align-items:baseline;gap:8px;margin:12px 0 6px}
.ticket-price strong{font-size:38px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;line-height:1}
.ticket-price span{color:var(--text-3);font-size:14px}
.ticket-note{color:var(--text-2);font-size:14px;padding-bottom:18px;border-bottom:1px solid var(--line-2)}
.ticket-feats{margin:18px 0 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.ticket-feats li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2)}
.ticket-feats i{font-size:13px;margin-top:6px}
.ticket-feats .yes i{color:var(--mint)}
.ticket-feats .no{color:var(--text-3)}
.ticket-feats .no i{color:var(--text-3)}
.ticket .btn{width:100%}

/* 表单 */
.signup{padding:34px;border-radius:var(--r-panel)}
.signup h2{font-size:28px;margin-bottom:12px}
.signup-lead{color:var(--text-2);font-size:15px;margin-bottom:22px}
.notice-list{display:flex;flex-direction:column;gap:14px;margin-bottom:26px}
.notice-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2)}
.notice-list i{color:var(--mint);font-size:14px;margin-top:5px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px}
.field label .req{color:var(--amber);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:10px;
  background:var(--panel-2);border:1px solid rgba(255,255,255,.12);
  color:var(--text);font-size:15px;outline:none;transition:all .2s var(--ease);
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--mint);box-shadow:0 0 0 4px rgba(42,216,196,.16);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field.has-error input,.field.has-error select{border-color:var(--err);box-shadow:0 0 0 4px rgba(255,107,91,.14)}
.field-error{display:none;color:var(--err);font-size:13px;margin-top:7px}
.field.has-error .field-error{display:flex;align-items:center;gap:6px}
.form-foot{display:flex;align-items:center;gap:16px;margin-top:22px;flex-wrap:wrap}
.privacy{font-size:12.5px;color:var(--text-3);line-height:1.7}
.form-msg{margin-top:14px;font-size:14px;color:var(--ok);display:none}
.form-msg.is-show{display:block}

/* 资讯列表 */
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);transition:all .25s var(--ease);color:inherit;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--mint);box-shadow:var(--sh-hover);color:inherit}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#12203A,#0B1220)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s var(--ease)}
.news-card:hover .news-title{color:var(--mint)}
.news-sum{color:var(--text-2);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2);color:var(--text-3);font-size:13px}
.news-meta .read{color:var(--mint);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.empty-state{
  text-align:center;padding:54px 26px;border-radius:var(--r-panel);
  background:var(--glass);border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.empty-state i{font-size:28px;color:var(--mint);margin-bottom:16px;display:block}
.empty-state p{color:var(--text-2);margin-bottom:20px;font-size:15px}

/* 口碑 */
.quote{
  height:100%;padding:26px 24px;border-radius:var(--r-card);
  background:var(--panel);border:1px solid var(--line-2);box-shadow:var(--sh-card);
  transition:all .25s var(--ease);
}
.quote:hover{border-color:rgba(42,216,196,.3);transform:translateY(-3px)}
.quote i.q{color:var(--mint);font-size:18px;margin-bottom:14px;display:block}
.quote p{color:var(--text-2);font-size:15px;line-height:1.9}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2)}
.quote-foot img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.quote-name{font-size:14px;font-weight:700}
.quote-role{font-size:12.5px;color:var(--text-3)}

/* FAQ */
.faq-item{
  background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;transition:border-color .25s var(--ease);
}
.faq-item.is-open{border-color:rgba(42,216,196,.4)}
.faq-q{
  width:100%;min-height:62px;display:flex;align-items:center;gap:12px;
  padding:16px 20px 16px 22px;background:transparent;border:0;text-align:left;
  color:var(--text);font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q i{color:var(--mint);font-size:15px;flex:0 0 auto;transition:transform .25s var(--ease)}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);border-left:2px solid transparent}
.faq-item.is-open .faq-a{max-height:420px;border-left-color:var(--mint)}
.faq-a p{padding:0 24px 22px 36px;color:var(--text-2);font-size:15px;line-height:1.95}

/* 底部 CTA */
.cta-panel{
  padding:44px 40px;border-radius:var(--r-panel);text-align:center;
  background:linear-gradient(150deg,rgba(42,216,196,.14),rgba(255,180,67,.08) 60%,rgba(110,124,255,.1));
  border:1px solid rgba(42,216,196,.28);box-shadow:var(--sh-card);
}
.cta-panel h2{font-size:30px;margin-bottom:14px}
.cta-panel p{color:var(--text-2);font-size:15.5px;max-width:620px;margin:0 auto 26px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line-2);padding:70px 0 0;position:relative;z-index:1}
.footer-grid{row-gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--text-3);font-size:14px;line-height:1.9;max-width:320px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:var(--text-2);font-size:14px}
.footer-links a:hover{color:var(--mint)}
.footer-contact{display:flex;flex-direction:column;gap:12px;color:var(--text-2);font-size:14px}
.footer-contact span{display:flex;align-items:flex-start;gap:10px}
.footer-contact i{color:var(--mint);font-size:13px;margin-top:6px}
.footer-sub{
  padding:20px;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line-2);
}
.footer-sub p{color:var(--text-3);font-size:13px;margin-bottom:14px;line-height:1.8}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1;height:44px;padding:0 14px;border-radius:10px;background:var(--panel-2);
  border:1px solid rgba(255,255,255,.12);color:var(--text);font-size:14px;outline:none;
}
.sub-form input:focus{border-color:var(--mint);box-shadow:0 0 0 4px rgba(42,216,196,.16)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-2);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--mint)}

/* 移动端底部条 / 回顶 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;align-items:center;justify-content:space-between;
  gap:14px;padding:10px 16px;background:rgba(8,13,24,.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);transform:translateY(110%);transition:transform .3s var(--ease);
}
.mobile-bar.is-show{transform:none}
.mobile-bar strong{display:block;font-size:15px;font-variant-numeric:tabular-nums;color:var(--mint)}
.mobile-bar span{font-size:12.5px;color:var(--text-3)}
.to-top{
  position:fixed;right:22px;bottom:88px;z-index:65;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;background:rgba(16,24,40,.9);border:1px solid rgba(42,216,196,.35);
  color:var(--mint);opacity:0;pointer-events:none;transition:all .25s var(--ease);
  backdrop-filter:blur(10px);
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{background:rgba(42,216,196,.16);transform:translateY(-3px)}

/* 动效 */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* 响应式 */
@media screen and (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding:60px 0 54px}
  .hero-copy h1{font-size:34px}
  .sec-title h2{font-size:26px}
  .timeline::before{left:9px;transform:none}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 28px 34px}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:2px;right:auto;top:22px}
  .stat{border-left:0;padding-left:0}
  .ticket.is-featured{transform:none}
  .ticket.is-featured:hover{transform:translateY(-6px)}
  .to-top{bottom:96px}
}
@media screen and (max-width:639px){
  body::after{display:none}
  .section{padding:56px 0}
  .wrap{padding:0 16px}
  .header-top-inner{min-height:62px}
  .brand-text{font-size:17px}
  .link-quiet{display:none}
  .nav-toggle{display:grid;place-items:center}
  .header-actions .btn-sm{display:none}
  .hero{padding:46px 0 44px}
  .hero-copy h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-btns .btn{width:100%}
  .sec-title h2{font-size:22px}
  .sec-head{margin-bottom:26px}
  .stat-num{font-size:26px}
  .ticket-price strong{font-size:32px}
  .signup{padding:22px 18px}
  .signup h2{font-size:22px}
  .cta-panel{padding:32px 20px}
  .cta-panel h2{font-size:22px}
  .cta-btns .btn{width:100%}
  .faq-q{font-size:15px}
  .faq-a p{padding:0 18px 20px 30px}
  .mobile-bar{display:flex}
  .site-footer{padding-bottom:72px}
  .footer-bottom{padding-bottom:84px}
  .to-top{bottom:88px;right:16px}
}

/* roulang page: article */
:root{
  --bg:#05080F;
  --bg-2:#080D18;
  --bg-3:#0B1220;
  --panel:#101828;
  --panel-2:#0C1424;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.14);
  --txt:#E9F1FF;
  --txt-2:#9DAEC8;
  --txt-3:#6B7B95;
  --teal:#2AD8C4;
  --teal-d:#12A99A;
  --amber:#FFB443;
  --violet:#6E7CFF;
  --ok:#3ED598;
  --err:#FF6B5B;
  --r-s:10px;
  --r-m:12px;
  --r-c:16px;
  --r-p:20px;
  --sh-1:0 18px 40px rgba(0,0,0,.45);
  --sh-2:0 24px 56px rgba(0,0,0,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--txt);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 6% -6%, rgba(42,216,196,.08), transparent 62%),
    radial-gradient(820px 520px at 98% 10%, rgba(255,180,67,.06), transparent 60%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(circle at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 20%, transparent 78%);
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-m)}
a{color:var(--teal);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--amber)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--txt);line-height:1.35}
p{margin:0 0 1.2em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px}
::selection{background:rgba(42,216,196,.3);color:#fff}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.wrap{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:2}
@media screen and (min-width:1024px){
  .wrap{max-width:1320px;padding:0 24px}
}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--teal);color:#05121A;padding:10px 16px;border-radius:0 0 10px 0;z-index:99}
.skip-link:focus{left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-m);
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:all .2s var(--ease);white-space:nowrap;text-decoration:none;background:none;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--teal),var(--teal-d));
  color:#05121A;
  box-shadow:0 0 0 1px rgba(42,216,196,.5),0 0 24px rgba(42,216,196,.35);
}
.btn-primary:hover,.btn-primary:focus{
  color:#05121A;filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(42,216,196,.6),0 0 34px rgba(42,216,196,.55);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);box-shadow:0 0 0 1px rgba(42,216,196,.45),0 0 14px rgba(42,216,196,.28)}
.btn-ghost{
  background:rgba(255,255,255,.03);color:var(--teal);
  border-color:rgba(42,216,196,.4);
}
.btn-ghost:hover,.btn-ghost:focus{color:var(--teal);border-color:var(--teal);background:rgba(42,216,196,.1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-line{
  background:transparent;color:var(--txt);border-color:var(--line-2);
}
.btn-line:hover,.btn-line:focus{color:var(--teal);border-color:rgba(42,216,196,.5);background:rgba(255,255,255,.04)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn:disabled{opacity:.45;box-shadow:none;pointer-events:none}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--teal)}
.link-more:hover{gap:12px;color:var(--amber)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.82);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.92);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px rgba(0,0,0,.5);
}
.header-main{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:12px;transition:padding .25s var(--ease)}
.site-header.is-scrolled .header-main{padding-top:8px;padding-bottom:8px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--txt);font-weight:700;letter-spacing:.01em}
.brand:hover{color:var(--txt)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,rgba(42,216,196,.9),rgba(110,124,255,.65));
  color:#04121A;font-size:15px;
  box-shadow:0 0 18px rgba(42,216,196,.35);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.02em}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.03);color:var(--txt);font-size:16px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
}
.menu-toggle:hover{border-color:rgba(42,216,196,.5);color:var(--teal)}

.chips-scroll{
  display:flex;align-items:center;gap:10px;
  padding-top:4px;padding-bottom:14px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.chips-scroll::-webkit-scrollbar{display:none}
.nav-chip{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:transparent;color:var(--txt-2);
  font-size:14px;font-weight:600;
  transition:all .2s var(--ease);
}
.nav-chip:hover{color:var(--txt);border-color:rgba(42,216,196,.4);background:rgba(255,255,255,.04)}
.nav-chip.is-active{
  color:var(--teal);border-color:var(--teal);background:rgba(42,216,196,.12);
}
.nav-chip.is-active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 10px rgba(42,216,196,.9);
}
@media screen and (min-width:1024px){
  .menu-toggle{display:none}
}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(2,5,10,.7);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:86vw;z-index:80;
  background:linear-gradient(180deg,#0B1220,#070C16);
  border-left:1px solid var(--line);
  transform:translateX(104%);transition:transform .3s var(--ease);
  padding:22px 20px;overflow-y:auto;
  display:flex;flex-direction:column;gap:18px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:40px;height:40px;border-radius:11px;border:1px solid var(--line-2);
  background:transparent;color:var(--txt);cursor:pointer;font-size:16px;
}
.drawer-close:hover{border-color:var(--teal);color:var(--teal)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:12px;border:1px solid var(--line);
  color:var(--txt-2);font-size:15px;font-weight:600;background:rgba(255,255,255,.02);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--teal);border-color:rgba(42,216,196,.4);background:rgba(42,216,196,.08)}
.drawer-contact{display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--txt-3);margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.drawer-contact span{display:flex;align-items:center;gap:9px}
.drawer-contact i{color:var(--teal);width:14px}

/* ---------- 页面头部 ---------- */
.crumbs{padding:18px 0 0}
.crumbs ol{
  list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:0;padding:0;font-size:13px;color:var(--txt-3);
}
.crumbs li{display:flex;align-items:center;gap:10px}
.crumbs li+li::before{content:"";width:1px;height:11px;background:var(--line-2);display:inline-block}
.crumbs a{color:var(--txt-3)}
.crumbs a:hover{color:var(--teal)}
.crumbs .current{color:var(--teal);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding:26px 0 34px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13px;color:var(--txt-3);margin-bottom:16px}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--teal);
  background:rgba(42,216,196,.12);border:1px solid rgba(42,216,196,.3);
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--txt-3);font-size:12px}
.article-head h1{font-size:40px;line-height:1.32;font-weight:800;letter-spacing:-.015em;max-width:960px}
.page-lead{color:var(--txt-2);font-size:16px;max-width:760px;margin-top:16px}
@media screen and (max-width:1023px){
  .article-head h1{font-size:30px}
}
@media screen and (max-width:639px){
  .article-head h1{font-size:26px}
}

.hero-figure{
  border-radius:var(--r-p);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-1);margin-bottom:38px;position:relative;
}
.hero-figure img{width:100%;border-radius:0;aspect-ratio:21/9;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 45%,rgba(5,8,15,.72) 100%);
  pointer-events:none;
}

/* ---------- 布局 ---------- */
.article-layout{padding-bottom:20px}
.main-col{padding-bottom:10px}
.side-col{padding-bottom:30px}

/* ---------- 正文 ---------- */
.article-body{
  font-size:17.5px;line-height:1.95;color:#D8E3F5;
  max-width:800px;
}
.article-body p{margin:0 0 1.4em;color:#D8E3F5}
.article-body h2{
  position:relative;font-size:26px;font-weight:800;color:var(--txt);
  margin:2.1em 0 .85em;padding-left:16px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:3px;height:20px;border-radius:2px;
  background:linear-gradient(180deg,var(--teal),var(--teal-d));
  box-shadow:0 0 12px rgba(42,216,196,.6);
}
.article-body h3{font-size:20px;font-weight:700;color:var(--txt);margin:1.7em 0 .7em}
.article-body h4{font-size:17px;font-weight:600;color:var(--txt);margin:1.4em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.3em}
.article-body li{margin-bottom:.6em;color:#D8E3F5}
.article-body ul li::marker{color:var(--teal)}
.article-body ol li::marker{color:var(--teal);font-weight:600}
.article-body blockquote{
  margin:1.7em 0;padding:20px 22px;border-left:3px solid var(--teal);
  border-radius:0 var(--r-c) var(--r-c) 0;
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  color:var(--txt-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:1.6em 0;border-radius:var(--r-m);border:1px solid var(--line)}
.article-body a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--amber)}
.article-body figcaption{font-size:13px;color:var(--txt-3);text-align:center;margin-top:-.8em;margin-bottom:1.6em}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
}
.article-body th{background:rgba(42,216,196,.09);color:var(--txt);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  background:rgba(110,124,255,.14);color:#C9D2FF;border-radius:6px;padding:2px 7px;font-size:.92em;
}
.table-scroll{overflow-x:auto;scrollbar-width:thin}
.table-scroll::-webkit-scrollbar{height:6px}
.table-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}

.empty-state{
  text-align:center;padding:56px 26px;border-radius:var(--r-p);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);
}
.empty-state i{font-size:26px;color:var(--teal);margin-bottom:14px;display:block}
.empty-state p{color:var(--txt-2);font-size:15px;margin-bottom:20px}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:42px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.tag-label{font-size:13px;color:var(--txt-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--txt-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);transition:all .2s var(--ease);
}
.tag:hover{color:var(--teal);border-color:rgba(42,216,196,.45);background:rgba(42,216,196,.08)}

/* ---------- 侧栏 ---------- */
.side-card{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  border:1px solid var(--line);border-radius:var(--r-c);
  padding:20px;box-shadow:var(--sh-1);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.side-card + .side-card{margin-top:20px}
.side-card h3{
  font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:9px;
}
.side-card h3 i{color:var(--teal);font-size:13px}
.side-sticky{position:sticky;top:120px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:46vh;overflow:auto;scrollbar-width:thin}
.toc-list::-webkit-scrollbar{width:5px}
.toc-list::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.toc-link{
  display:block;padding:8px 12px;border-radius:9px;font-size:13.5px;color:var(--txt-2);
  border-left:2px solid transparent;line-height:1.6;transition:all .2s var(--ease);
}
.toc-link.is-sub{padding-left:24px;font-size:13px;color:var(--txt-3)}
.toc-link:hover{color:var(--txt);background:rgba(255,255,255,.045);border-left-color:rgba(42,216,196,.4)}
.toc-link.is-current{color:var(--teal);border-left-color:var(--teal);background:rgba(42,216,196,.09)}
.rank-list{list-style:none;margin:0;padding:0}
.rank-list li+li{border-top:1px solid rgba(255,255,255,.06)}
.rank-list a{
  display:flex;gap:12px;padding:12px 8px;border-radius:10px;align-items:flex-start;color:var(--txt-2);
  font-size:14px;line-height:1.65;
}
.rank-list a:hover{background:rgba(255,255,255,.045);color:var(--teal)}
.rank-num{
  flex:0 0 20px;font-size:13px;font-weight:700;color:var(--txt-3);
  font-variant-numeric:tabular-nums;
}
.rank-list li:nth-child(1) .rank-num{color:var(--amber)}
.rank-list li:nth-child(2) .rank-num{color:var(--teal)}
.rank-list li:nth-child(3) .rank-num{color:var(--violet)}
.side-cta p{font-size:13.5px;color:var(--txt-2);margin-bottom:16px}
.side-contact{display:flex;flex-direction:column;gap:11px;font-size:13.5px;color:var(--txt-2)}
.side-contact span{display:flex;align-items:center;gap:10px}
.side-contact i{color:var(--teal);width:15px}

.mobile-toc{display:none;margin-bottom:26px}
.mobile-toc details{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--r-c);padding:4px 6px;
}
.mobile-toc summary{
  cursor:pointer;padding:13px 14px;font-size:14px;font-weight:600;color:var(--txt);
  list-style:none;display:flex;align-items:center;gap:9px;
}
.mobile-toc summary::-webkit-details-marker{display:none}
.mobile-toc summary i{color:var(--teal);font-size:13px}
.mobile-toc .toc-list{padding:0 8px 10px;max-height:none}
@media screen and (max-width:1023px){
  .side-col{display:none}
  .mobile-toc{display:block}
}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0}
.section-alt{background:var(--bg-2);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:20px;margin-bottom:32px}
.section-head h2{
  font-size:30px;font-weight:800;position:relative;padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:24px;border-radius:2px;
  background:linear-gradient(180deg,var(--teal),var(--teal-d));
  box-shadow:0 0 12px rgba(42,216,196,.6);
}
.section-head .section-desc{font-size:14px;color:var(--txt-3);margin-top:10px}
@media screen and (max-width:639px){
  .section{padding:52px 0}
  .section-head h2{font-size:23px}
}

.card-grid{display:grid;gap:20px;grid-template-columns:repeat(3,minmax(0,1fr))}
@media screen and (max-width:1023px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media screen and (max-width:639px){.card-grid{grid-template-columns:1fr}}

.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-c);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(42,216,196,.45);box-shadow:var(--sh-2)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;position:relative}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s var(--ease)}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card .body h3{font-size:17px;line-height:1.55;font-weight:700;color:var(--txt)}
.post-card:hover .body h3{color:var(--teal)}
.post-card .body p{font-size:14px;color:var(--txt-2);line-height:1.75;margin:0}
.post-card .meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--txt-3);margin-top:auto;padding-top:10px}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;width:fit-content;
  color:var(--violet);background:rgba(110,124,255,.13);border:1px solid rgba(110,124,255,.28);
}
.chip-amber{color:var(--amber);background:rgba(255,180,67,.14);border-color:rgba(255,180,67,.3)}
.chip-teal{color:var(--teal);background:rgba(42,216,196,.12);border-color:rgba(42,216,196,.3)}

/* ---------- 上下篇 ---------- */
.post-nav{display:grid;gap:18px;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:44px}
@media screen and (max-width:639px){.post-nav{grid-template-columns:1fr}}
.post-nav-card{
  display:flex;flex-direction:column;gap:10px;padding:20px 22px;
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-c);
  transition:all .25s var(--ease);
}
.post-nav-card:hover{border-color:rgba(42,216,196,.45);transform:translateY(-3px);background:#0F1830}
.post-nav-label{font-size:12.5px;color:var(--txt-3);display:inline-flex;align-items:center;gap:8px}
.post-nav-card:hover .post-nav-label{color:var(--teal)}
.post-nav-title{font-size:16px;font-weight:600;color:var(--txt);line-height:1.6}
.back-line{display:flex;justify-content:center;margin-top:34px}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-p);border:1px solid rgba(42,216,196,.28);
  background:
    radial-gradient(620px 320px at 12% 0%, rgba(42,216,196,.16), transparent 62%),
    radial-gradient(520px 300px at 92% 100%, rgba(255,180,67,.12), transparent 60%),
    linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  padding:44px 40px;
  display:grid;grid-template-columns:1.35fr 1fr;gap:34px;align-items:center;
  box-shadow:var(--sh-1);
}
.cta-panel h2{font-size:29px;font-weight:800;margin-bottom:14px}
.cta-panel p{color:var(--txt-2);font-size:15px;margin-bottom:0}
.cta-points{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-direction:column;gap:11px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--txt-2)}
.cta-points i{color:var(--teal);margin-top:5px;font-size:13px}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-figure{border-radius:var(--r-c);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3}
.cta-figure img{width:100%;height:100%;object-fit:cover;border-radius:0}
@media screen and (max-width:1023px){
  .cta-panel{grid-template-columns:1fr;padding:34px 26px}
  .cta-figure{display:none}
  .cta-panel h2{font-size:24px}
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;background:linear-gradient(180deg,#070C16,#05080F);
  border-top:1px solid var(--line);padding:62px 0 34px;position:relative;z-index:2;
}
.footer-grid{row-gap:34px}
.footer-brand p{font-size:14px;color:var(--txt-3);line-height:1.85;margin-top:16px;max-width:300px}
.site-footer .brand{margin-bottom:4px}
.footer-title{font-size:14px;font-weight:700;color:var(--txt);margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--txt-2)}
.footer-links a:hover{color:var(--teal)}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--txt-2)}
.footer-contact span{display:flex;align-items:flex-start;gap:10px;line-height:1.6}
.footer-contact i{color:var(--teal);width:16px;margin-top:4px;font-size:13px}
.footer-sub p{font-size:14px;color:var(--txt-3);margin-bottom:14px;max-width:330px}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 160px;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-m);
  background:var(--panel-2);border:1px solid rgba(255,255,255,.12);color:var(--txt);font-size:14px;
}
.sub-form input::placeholder{color:var(--txt-3)}
.sub-form input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(42,216,196,.16)}
.sub-form input.is-error{border-color:var(--err);box-shadow:0 0 0 4px rgba(255,107,91,.14)}
.form-note{font-size:12.5px;color:var(--txt-3);margin-top:10px;display:block}
.form-note.is-error{color:var(--err)}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--txt-3);
}

/* ---------- 回顶 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:55;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line-2);
  background:rgba(16,24,40,.85);backdrop-filter:blur(12px);color:var(--teal);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:all .25s var(--ease);
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{border-color:var(--teal);box-shadow:0 0 22px rgba(42,216,196,.4)}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
@media screen and (max-width:639px){
  body::after{display:none}
  body{background-image:none}
  .to-top{right:16px;bottom:20px}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg:#05080F;
  --bg-2:#080D18;
  --bg-3:#0B1220;
  --panel:#101828;
  --panel-2:#0C1424;
  --ink:#E9F1FF;
  --ink-2:#9DAEC8;
  --ink-3:#6B7B95;
  --primary:#2AD8C4;
  --primary-deep:#12A99A;
  --amber:#FFB443;
  --violet:#6E7CFF;
  --success:#3ED598;
  --danger:#FF6B5B;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.12);
  --glass:linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --sh-card:0 18px 40px rgba(0,0,0,.45);
  --sh-card-h:0 24px 56px rgba(0,0,0,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec-y:96px;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  position:relative;
  min-height:100%;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(620px 440px at 6% 2%, rgba(42,216,196,.09), transparent 70%),
    radial-gradient(560px 460px at 98% 92%, rgba(255,180,67,.06), transparent 72%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:48px 48px;
}
.site-header,.site-main,.site-footer,.to-top{position:relative;z-index:1}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.35;color:var(--ink)}
p{margin:0}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--amber)}
img{max-width:100%;display:block}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.wrap{max-width:1320px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease);
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,#2AD8C4,#12A99A);
  color:#05121A;
  box-shadow:0 0 0 1px rgba(42,216,196,.5),0 0 24px rgba(42,216,196,.35);
}
.btn-primary:hover,.btn-primary:focus{
  filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(42,216,196,.6),0 0 34px rgba(42,216,196,.55);
  color:#05121A;
}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);box-shadow:0 0 0 1px rgba(42,216,196,.45),0 0 14px rgba(42,216,196,.3)}
.btn-outline{
  border-color:rgba(42,216,196,.4);color:var(--primary);
}
.btn-outline:hover{border-color:var(--primary);background:rgba(42,216,196,.1);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:rgba(42,216,196,.5);color:var(--primary);background:rgba(255,255,255,.04)}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.link-more:hover{gap:10px;color:var(--amber)}
.link-plain{font-size:14px;color:var(--ink-2);padding:10px 4px}
.link-plain:hover{color:var(--primary)}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.74);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(5,8,15,.92);box-shadow:0 12px 32px rgba(0,0,0,.5)}
.head-top{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
.site-header.is-scrolled .head-top{padding:8px 0}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(42,216,196,.9),rgba(110,124,255,.75));
  color:#05121A;font-size:15px;
  box-shadow:0 0 18px rgba(42,216,196,.4);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em}
.head-actions{display:flex;align-items:center;gap:14px}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);
  background:transparent;cursor:pointer;padding:0;place-items:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;margin:3px auto;transition:.2s var(--ease)}
.burger:hover{border-color:rgba(42,216,196,.5)}
.burger:hover span{background:var(--primary)}

/* chips 分段导航 */
.chips-scroll{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;padding-top:10px;padding-bottom:14px;
  scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.chips-scroll::-webkit-scrollbar{display:none}
.nav-chip{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  background:transparent;border:1px solid var(--line-2);
  transition:.2s var(--ease);
}
.nav-chip:hover{border-color:rgba(42,216,196,.4);color:var(--ink)}
.nav-chip.is-active{
  color:var(--primary);border-color:var(--primary);
  background:rgba(42,216,196,.12);
  box-shadow:0 0 20px rgba(42,216,196,.18);
}
.nav-chip.is-active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 10px var(--primary);
}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(2,4,8,.7);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:.25s var(--ease);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:86vw;z-index:90;
  background:var(--bg-3);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s var(--ease);
  padding:22px 20px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:15px;font-weight:700}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-2);background:transparent;color:var(--ink);cursor:pointer}
.drawer-close:hover{border-color:rgba(42,216,196,.5);color:var(--primary)}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.drawer-links a{
  padding:13px 14px;border-radius:12px;color:var(--ink-2);font-size:15px;font-weight:600;
  border:1px solid transparent;
}
.drawer-links a:hover{background:rgba(255,255,255,.05);color:var(--ink)}
.drawer-links a.is-active{color:var(--primary);border-color:rgba(42,216,196,.45);background:rgba(42,216,196,.1)}
.drawer-info{font-size:13px;color:var(--ink-3);line-height:2}
.drawer-info i{color:var(--primary);width:16px}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"";width:1px;height:12px;background:var(--line-2)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb [aria-current]{color:var(--primary)}

/* ============ 首屏（窄 KV） ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:48px 0 64px;
  background:
    linear-gradient(180deg,rgba(5,8,15,.55),rgba(5,8,15,.96)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(42,216,196,.45),transparent);
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--amber);background:rgba(255,180,67,.15);border:1px solid rgba(255,180,67,.3);
}
.hero-h1{font-size:44px;margin:18px 0 14px;font-weight:800}
.hero-h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-media{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--sh-card);
  background:var(--glass);
  aspect-ratio:16/11;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(180deg,transparent,rgba(5,8,15,.92));
  font-size:13px;color:var(--ink-2);
}

/* ============ 板块通用 ============ */
.section{padding:var(--sec-y) 0}
.section.alt{background:var(--bg-2)}
.section.deep{background:var(--bg-3)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-title{font-size:30px;display:flex;align-items:center;gap:14px}
.sec-num{
  font-size:14px;font-weight:700;color:var(--primary);
  border:1px solid rgba(42,216,196,.45);border-radius:8px;
  padding:2px 9px;letter-spacing:.08em;
}
.sec-sub{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:640px}

/* ============ 步骤 + 要点双栏 ============ */
.step-list{display:flex;flex-direction:column;gap:8px}
.step-item{
  position:relative;display:flex;gap:18px;
  padding:20px 22px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--panel);
  transition:.25s var(--ease);
}
.step-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),transparent);opacity:0;transition:.25s var(--ease);
}
.step-item:hover{transform:translateX(4px);border-color:rgba(42,216,196,.35);box-shadow:var(--sh-card)}
.step-item:hover::before{opacity:1}
.step-num{
  flex:0 0 44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:var(--primary);
  border:1px solid rgba(42,216,196,.4);background:rgba(42,216,196,.08);
}
.step-body h3{font-size:19px;margin-bottom:6px}
.step-body p{color:var(--ink-2);font-size:15px}

.side-card{
  position:sticky;top:132px;
  border-radius:var(--r-panel);padding:26px 24px;
  background:var(--glass);border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
}
.side-card h3{font-size:18px;margin-bottom:6px}
.side-card .side-note{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:11px;font-size:15px;color:var(--ink-2);line-height:1.7}
.check-list i{color:var(--primary);font-size:14px;margin-top:6px}
.check-list strong{color:var(--ink);font-weight:600}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  border-radius:var(--r-panel);overflow:hidden;
  background:rgba(255,255,255,.08);
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
}
.stat-item{background:var(--panel);padding:28px 22px;text-align:center}
.stat-num{font-size:32px;font-weight:800;color:var(--primary);line-height:1.2}
.stat-num small{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:8px}

/* ============ 情形列表 ============ */
.case-list{border-top:1px solid var(--line)}
.case-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 12px;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.case-item:hover{background:rgba(255,255,255,.04)}
.case-thumb{
  flex:0 0 96px;width:96px;height:64px;border-radius:8px;overflow:hidden;
  border:1px solid var(--line-2);
}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.case-item:hover .case-thumb img{transform:scale(1.05)}
.case-body{flex:1;min-width:0}
.case-body h3{font-size:17px;margin-bottom:4px}
.case-item:hover .case-body h3{color:var(--primary)}
.case-body p{font-size:15px;color:var(--ink-2)}
.case-meta{font-size:13px;color:var(--ink-3);margin-top:6px;display:flex;gap:14px;flex-wrap:wrap}
.case-meta i{color:var(--violet);margin-right:5px}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--panel);overflow:hidden;transition:.25s var(--ease);
}
.faq-item:hover{border-color:rgba(42,216,196,.28)}
.faq-item.is-open{border-color:rgba(42,216,196,.45);background:var(--panel-2)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;text-align:left;
  padding:18px 20px;min-height:44px;background:transparent;border:0;cursor:pointer;
  color:var(--ink);font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q:hover{color:var(--primary)}
.faq-q .faq-icon{color:var(--primary);font-size:16px;flex:0 0 auto}
.faq-q .faq-text{flex:1}
.faq-q .faq-caret{color:var(--ink-3);font-size:13px;transition:transform .25s var(--ease)}
.faq-item.is-open .faq-caret{transform:rotate(180deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{
  position:relative;padding:0 20px 20px 48px;font-size:15px;color:var(--ink-2);line-height:1.9;
}
.faq-a p::before{
  content:"";position:absolute;left:20px;top:6px;bottom:22px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),rgba(42,216,196,0));
}

/* ============ 报名 CTA + 表单 ============ */
.cta-panel{
  border-radius:var(--r-panel);padding:38px;
  background:var(--glass);
  border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
}
.cta-panel h2{font-size:28px;margin-bottom:12px}
.cta-panel .cta-desc{color:var(--ink-2);font-size:15px;max-width:460px}
.notice-list{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.notice-list li{display:flex;gap:11px;font-size:14px;color:var(--ink-2)}
.notice-list i{color:var(--amber);margin-top:5px;font-size:13px}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--ink-2);font-weight:600}
.field label .req{color:var(--amber)}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:10px;
  background:var(--panel-2);border:1px solid var(--line-2);
  color:var(--ink);font-size:15px;font-family:inherit;
  transition:.2s var(--ease);
}
.field textarea{height:88px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(42,216,196,.18);
}
.form-foot{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:6px}
.form-privacy{font-size:13px;color:var(--ink-3)}
.form-tip{grid-column:1 / -1;font-size:13px;color:var(--success);display:none}
.form-tip.is-show{display:block}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:72px 0 40px;
}
.footer-grid{row-gap:36px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--ink-3);line-height:1.9;max-width:280px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--ink-2)}
.footer-links a:hover{color:var(--primary)}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--ink-2)}
.footer-contact i{color:var(--primary);width:18px;font-size:13px}
.footer-sub p{font-size:14px;color:var(--ink-3);line-height:1.9;margin-bottom:14px}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 160px;height:44px;padding:0 14px;border-radius:10px;
  background:var(--panel-2);border:1px solid var(--line-2);color:var(--ink);font-size:15px;
}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(42,216,196,.16)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:rgba(16,24,40,.85);border:1px solid rgba(42,216,196,.4);color:var(--primary);
  backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:.25s var(--ease);z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);box-shadow:0 0 22px rgba(42,216,196,.35)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .38s var(--ease),transform .38s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none !important;transition-duration:.01ms !important}
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--sec-y:72px}
  .hero-h1{font-size:34px}
  .sec-title{font-size:24px}
  .side-card{position:static}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .cta-panel{padding:28px}
}
@media (max-width:767px){
  :root{--sec-y:56px}
  .wrap{padding-left:20px;padding-right:20px}
  .burger{display:grid}
  .head-actions .link-plain{display:none}
  .hero-h1{font-size:29px;line-height:1.4}
  .hero-sub{font-size:16px}
  .cat-hero{padding:34px 0 46px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .faq-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .case-thumb{flex:0 0 80px;width:80px;height:56px}
  .stat-num{font-size:26px}
  .footer-bottom{flex-direction:column}
  body::after{opacity:.35}
}
@media (max-width:519px){
  .brand-text{font-size:16px}
  .hero-cta .btn{width:100%}
  .step-item{padding:16px}
  .step-num{flex:0 0 38px;height:38px;font-size:14px}
  .cta-panel{padding:22px}
}

/* roulang page: category2 */
:root{
  --bg:#05080F;
  --bg-2:#080D18;
  --bg-3:#0B1220;
  --panel:#101828;
  --panel-2:#0C1424;
  --brand:#2AD8C4;
  --brand-deep:#12A99A;
  --amber:#FFB443;
  --violet:#6E7CFF;
  --ok:#3ED598;
  --err:#FF6B5B;
  --text:#E9F1FF;
  --text-2:#9DAEC8;
  --text-3:#6B7B95;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 56px rgba(0,0,0,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gutter:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(700px 520px at 6% 4%, rgba(42,216,196,.08), transparent 70%),
    radial-gradient(760px 560px at 96% 92%, rgba(255,180,67,.06), transparent 72%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 50% 26%, #000 0%, transparent 76%);
  mask-image:radial-gradient(circle at 50% 26%, #000 0%, transparent 76%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
button{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.35;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.page{position:relative;z-index:1;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#05121A;
  box-shadow:0 0 0 1px rgba(42,216,196,.5), 0 0 24px rgba(42,216,196,.35);
}
.btn-primary:hover{
  color:#05121A;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(42,216,196,.6), 0 0 34px rgba(42,216,196,.55);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(42,216,196,.45), 0 0 16px rgba(42,216,196,.3);}
.btn-outline{
  background:transparent;
  border-color:rgba(42,216,196,.45);
  color:var(--brand);
}
.btn-outline:hover{
  background:rgba(42,216,196,.1);
  border-color:rgba(42,216,196,.75);
  color:var(--brand);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.14);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:rgba(42,216,196,.5);
  color:var(--brand);
  transform:translateY(-2px);
}
.btn-lg{height:52px;padding:0 30px;font-size:16px;border-radius:999px;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
}
.text-link i{font-size:12px;transition:transform .2s var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(5,8,15,.78);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease), border-color .3s var(--ease), padding .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.94);
  border-bottom-color:var(--line);
}
.header-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:16px;
  padding-bottom:14px;
  transition:padding .3s var(--ease);
}
.site-header.is-scrolled .header-top{padding-top:10px;padding-bottom:10px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  display:grid;
  place-items:center;
  font-size:15px;
  color:#05121A;
  background:linear-gradient(150deg,rgba(42,216,196,.95),rgba(110,124,255,.8));
  box-shadow:0 0 0 1px rgba(42,216,196,.35), 0 0 20px rgba(42,216,196,.25);
}
.header-actions{display:flex;align-items:center;gap:16px;}
.header-link{
  font-size:14px;
  color:var(--text-2);
  font-weight:600;
}
.header-link:hover{color:var(--brand);}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background:transparent;
  color:var(--text);
  cursor:pointer;
}
.menu-toggle:hover{border-color:rgba(42,216,196,.5);color:var(--brand);}

.chips-scroll{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  padding:0 var(--gutter) 14px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.chips-scroll::-webkit-scrollbar{display:none;}
.nav-chip{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  color:var(--text-2);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  scroll-snap-align:start;
  transition:all .2s var(--ease);
}
.nav-chip:hover{
  border-color:rgba(42,216,196,.4);
  color:var(--text);
}
.nav-chip.is-active{
  border-color:rgba(42,216,196,.7);
  background:rgba(42,216,196,.12);
  color:var(--brand);
}
.nav-chip.is-active::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 10px rgba(42,216,196,.9);
}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  top:0;
  right:0;
  width:320px;
  max-width:86vw;
  height:100%;
  z-index:80;
  padding:22px 22px 32px;
  background:linear-gradient(180deg,#0B1220,#05080F);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .32s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background:transparent;color:var(--text);cursor:pointer;
}
.drawer-close:hover{border-color:rgba(42,216,196,.5);color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:46px;padding:0 14px;border-radius:12px;
  color:var(--text-2);font-weight:600;font-size:15px;
  border:1px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.04);color:var(--text);}
.drawer-nav a.is-current{
  background:rgba(42,216,196,.12);
  border-color:rgba(42,216,196,.45);
  color:var(--brand);
}
.drawer-note{margin-top:12px;font-size:13px;color:var(--text-3);text-align:center;}
.drawer-mask{
  position:fixed;inset:0;z-index:70;
  background:rgba(2,4,9,.72);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 60px;
  border-bottom:1px solid var(--line-2);
  background:
    linear-gradient(180deg, rgba(5,8,15,.74) 0%, rgba(5,8,15,.93) 72%, var(--bg) 100%),
    url("/assets/images/backpic/back-1.png") center 30%/cover no-repeat;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(560px 420px at 12% 8%, rgba(42,216,196,.16), transparent 68%),
    radial-gradient(520px 400px at 92% 96%, rgba(255,180,67,.1), transparent 70%);
}
.page-hero .wrap{position:relative;z-index:2;}
.breadcrumb{margin-bottom:22px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.breadcrumb li{display:flex;align-items:center;gap:10px;}
.breadcrumb li + li::before{content:"";width:1px;height:12px;background:rgba(255,255,255,.2);display:inline-block;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb [aria-current]{color:var(--brand);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  margin-bottom:18px;
  border-radius:999px;
  border:1px solid rgba(42,216,196,.32);
  background:rgba(42,216,196,.08);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
}
.page-hero h1{
  font-size:clamp(28px,4.6vw,46px);
  max-width:820px;
  margin-bottom:16px;
}
.page-hero .lead{
  max-width:640px;
  font-size:17px;
  color:var(--text-2);
  line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ---------- 板块 ---------- */
.section{padding:96px 0;position:relative;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.section-head{
  display:flex;
  align-items:flex-start;
  gap:18px;
  margin-bottom:40px;
}
.head-index{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  border-radius:12px;
  border:1px solid rgba(42,216,196,.35);
  color:var(--brand);
  font-size:15px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  background:rgba(42,216,196,.06);
}
.head-index::after{
  content:"";
  position:absolute;
}
.section-head h2{font-size:clamp(23px,3vw,32px);margin-bottom:10px;}
.section-head p{color:var(--text-2);font-size:15px;max-width:680px;}
.section-head .head-side{margin-left:auto;align-self:center;}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
  padding:26px 24px;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.09);
  box-shadow:var(--shadow);
}
.stat-item{padding:0 12px;border-right:1px solid var(--line-2);}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-size:clamp(24px,3vw,32px);
  font-weight:800;
  color:var(--brand);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-label{margin-top:6px;font-size:13px;color:var(--text-3);}

/* ---------- 卡片 ---------- */
.card-grid > .cell{margin-bottom:24px;}
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  height:100%;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--panel);
  overflow:hidden;
  box-shadow:0 12px 30px rgba(0,0,0,.35);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(42,216,196,.32);
  box-shadow:var(--shadow-hover);
}
.card-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(140deg,#122036,#0A1220);
}
.card-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(5,8,15,.05), rgba(5,8,15,.55));
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:19px;font-weight:700;line-height:1.45;transition:color .2s var(--ease);}
.card:hover .card-title{color:var(--brand);}
.card-desc{font-size:14.5px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 14px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.card-meta i{color:var(--brand);margin-right:5px;font-size:12px;}
.card-foot{margin-top:auto;padding-top:4px;display:flex;align-items:center;justify-content:space-between;gap:12px;}

.tag{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.01em;
  background:rgba(110,124,255,.15);
  color:#A9B3FF;
}
.tag-brand{background:rgba(42,216,196,.15);color:var(--brand);}
.tag-amber{background:rgba(255,180,67,.16);color:var(--amber);}

/* 大卡 */
.card-feature{flex-direction:row;}
.card-feature::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:64px;
  height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(42,216,196,0));
  z-index:3;
}
.card-feature .card-thumb{
  flex:1 1 56%;
  aspect-ratio:auto;
  min-height:320px;
}
.card-feature .card-body{flex:1 1 44%;padding:28px 26px;}
.card-feature .card-title{font-size:23px;}
.card-feature .card-desc{-webkit-line-clamp:4;font-size:15px;}

/* 横条小卡 */
.card-wide{flex-direction:row;}
.card-wide .card-thumb{flex:0 0 42%;aspect-ratio:auto;min-height:150px;}
.card-wide .card-body{padding:16px 18px;gap:8px;}
.card-wide .card-title{font-size:17px;}
.card-wide .card-desc{-webkit-line-clamp:2;font-size:14px;}

/* ---------- 卡带 ---------- */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.rail-head h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:8px;}
.rail-head p{color:var(--text-2);font-size:15px;}
.rail-wrap{position:relative;}
.rail-wrap::before,
.rail-wrap::after{
  content:"";
  position:absolute;
  top:0;
  bottom:8px;
  width:56px;
  pointer-events:none;
  z-index:2;
}
.rail-wrap::before{left:0;background:linear-gradient(90deg,var(--bg-2),rgba(8,13,24,0));}
.rail-wrap::after{right:0;background:linear-gradient(270deg,var(--bg-2),rgba(8,13,24,0));}
.rail{
  display:flex;
  gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 18px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 272px;
  scroll-snap-align:start;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--panel);
  overflow:hidden;
  transition:transform .25s var(--ease), border-color .25s var(--ease);
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(42,216,196,.32);}
.rail-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#122036,#0A1220);}
.rail-thumb img{width:100%;height:100%;object-fit:cover;}
.rail-body{padding:16px 18px 18px;}
.rail-time{
  font-size:22px;
  font-weight:800;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.rail-name{margin-top:6px;font-size:16px;font-weight:700;}
.rail-note{margin-top:6px;font-size:13px;color:var(--text-3);}
.rail-tip{margin-top:12px;font-size:12px;color:var(--text-3);}

/* ---------- 到馆节奏 ---------- */
.step-card{
  height:100%;
  padding:26px 24px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--bg-3);
  transition:border-color .25s var(--ease), transform .25s var(--ease);
}
.step-card:hover{border-color:rgba(42,216,196,.3);transform:translateY(-4px);}
.step-dot{
  position:relative;
  width:44px;
  height:44px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-weight:800;
  color:#05121A;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(42,216,196,.4), 0 0 22px rgba(42,216,196,.35);
  margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--text-2);}
.step-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.step-card li{position:relative;padding-left:16px;font-size:14px;color:var(--text-3);}
.step-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand);
  opacity:.85;
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.faq-item{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--panel-2);
  overflow:hidden;
  transition:border-color .25s var(--ease), background .25s var(--ease);
}
.faq-item.is-open{border-color:rgba(42,216,196,.34);background:#0E1728;}
.faq-q{margin:0;font-size:16px;}
.faq-btn{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 20px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:700;
  text-align:left;
  cursor:pointer;
}
.faq-btn .fa-circle-question{color:var(--brand);font-size:15px;flex:0 0 auto;}
.faq-btn .faq-caret{
  margin-left:auto;
  color:var(--text-3);
  font-size:13px;
  transition:transform .3s var(--ease), color .3s var(--ease);
}
.faq-item.is-open .faq-caret{transform:rotate(180deg);color:var(--brand);}
.faq-btn:hover{color:var(--brand);}
.faq-a{
  max-height:0;
  opacity:0;
  overflow:hidden;
  transition:max-height .35s var(--ease), opacity .3s var(--ease), padding .3s var(--ease);
  padding:0 20px;
  border-left:2px solid transparent;
}
.faq-item.is-open .faq-a{
  max-height:340px;
  opacity:1;
  padding:0 20px 20px 20px;
  border-left-color:rgba(42,216,196,.6);
}
.faq-a p{font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ---------- CTA 报名 ---------- */
.cta-panel{
  position:relative;
  padding:44px;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(42,216,196,.22), transparent 68%);
  pointer-events:none;
}
.cta-panel h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:12px;}
.cta-panel .cta-lead{color:var(--text-2);font-size:15px;max-width:520px;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);}
.cta-points i{color:var(--brand);margin-top:6px;font-size:13px;}

.form-field{margin-bottom:16px;}
.form-field label{
  display:block;
  margin-bottom:8px;
  font-size:13px;
  color:var(--text-2);
  font-weight:600;
}
.form-field .req{color:var(--amber);margin-left:2px;}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.12);
  background:var(--panel-2);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.form-field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-field input::placeholder,
.form-field textarea::placeholder{color:var(--text-3);}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(42,216,196,.18);
}
.form-field.has-error input{border-color:var(--err);box-shadow:0 0 0 4px rgba(255,107,91,.15);}
.field-error{display:none;margin-top:8px;font-size:13px;color:var(--err);}
.field-error i{margin-right:6px;}
.form-field.has-error .field-error{display:block;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--text-3);}
.form-tip{margin-top:14px;font-size:13px;color:var(--brand);min-height:20px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:0;
  padding:72px 0 40px;
  background:var(--bg-2);
  border-top:1px solid var(--line);
}
.footer-grid > .cell{margin-bottom:32px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:320px;}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-3);}
.footer-links a:hover{color:var(--brand);}
.footer-contact{display:flex;flex-direction:column;gap:10px;}
.footer-contact span{font-size:14px;color:var(--text-3);display:flex;align-items:center;gap:10px;}
.footer-contact i{color:var(--brand);width:16px;text-align:center;font-size:13px;}
.footer-sub p{font-size:14px;color:var(--text-3);margin-bottom:14px;}
.sub-form{display:flex;gap:10px;}
.sub-form input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.12);
  background:var(--panel-2);
  color:var(--text);
  font-size:14px;
}
.sub-form input::placeholder{color:var(--text-3);}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(42,216,196,.16);}
.sub-tip{margin-top:10px;font-size:13px;color:var(--brand);min-height:18px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  align-items:center;
  justify-content:space-between;
  padding-top:24px;
  border-top:1px solid var(--line-2);
  font-size:13px;
  color:var(--text-3);
}
.site-footer .brand-text{font-weight:800;font-size:18px;}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:32px;
  z-index:60;
  width:46px;
  height:46px;
  border-radius:50%;
  display:grid;
  place-items:center;
  cursor:pointer;
  color:var(--brand);
  border:1px solid rgba(42,216,196,.35);
  background:rgba(16,24,40,.82);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:all .3s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{box-shadow:0 0 22px rgba(42,216,196,.4);}

/* 进入视口动画 */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .4s var(--ease), transform .4s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media (min-width:1440px){
  .wrap{padding:0 24px;}
  .chips-scroll{padding:0 24px 14px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .card-feature{flex-direction:column;}
  .card-feature .card-thumb{flex:none;min-height:220px;aspect-ratio:16/9;}
  .card-feature .card-body{flex:none;}
  .faq-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px 8px;}
  .stat-item:nth-child(2n){border-right:0;}
  .footer-grid{margin-left:-0.625rem;margin-right:-0.625rem;}
}
@media (max-width:1023px){
  .header-link{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn-primary{
    background:transparent;
    color:var(--brand);
    border-color:rgba(42,216,196,.45);
    box-shadow:none;
    height:38px;
    padding:0 16px;
    font-size:14px;
  }
}
@media (max-width:767px){
  .cta-panel{padding:28px 22px;}
  .card-wide{flex-direction:column;}
  .card-wide .card-thumb{flex:none;aspect-ratio:16/9;min-height:0;}
  .section-head{flex-direction:column;gap:14px;}
  .section-head .head-side{margin-left:0;}
  .rail-card{flex:0 0 240px;}
}
@media (max-width:639px){
  .section{padding:56px 0;}
  body::after{display:none;}
  body::before{opacity:.7;}
  .page-hero{padding:36px 0 44px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stats{padding:20px 16px;}
  .stat-num{font-size:24px;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
  .to-top{right:16px;bottom:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --bg:#05080F;
  --bg-alt:#080D18;
  --bg-alt2:#0B1220;
  --panel:#101828;
  --primary:#2AD8C4;
  --primary-deep:#12A99A;
  --amber:#FFB443;
  --violet:#6E7CFF;
  --success:#3ED598;
  --danger:#FF6B5B;
  --text:#E9F1FF;
  --text-2:#9DAEC8;
  --text-3:#6B7B95;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --glass:linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 56px rgba(0,0,0,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(680px 480px at 6% 3%, rgba(42,216,196,.08), transparent 65%),
    radial-gradient(640px 460px at 97% 90%, rgba(255,180,67,.06), transparent 62%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  background-attachment:fixed,fixed,scroll,scroll;
  overflow-x:hidden;
  padding-bottom:80px;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--amber);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.35;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){.wrap{max-width:1320px;}}
::selection{background:rgba(42,216,196,.3);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(5,8,15,.95);border-bottom-color:var(--line);}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:16px;padding-bottom:10px;transition:padding .25s var(--ease);}
.site-header.is-scrolled .header-top{padding-top:10px;padding-bottom:6px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:19px;letter-spacing:-.02em;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg, rgba(42,216,196,.9), rgba(18,169,154,.85));
  color:#05121A;font-size:15px;
  box-shadow:0 0 0 1px rgba(42,216,196,.4),0 0 20px rgba(42,216,196,.28);
}
.brand-text{white-space:nowrap;}
.header-actions{display:flex;align-items:center;gap:14px;}
.link-quiet{font-size:14px;color:var(--text-2);}
.link-quiet:hover{color:var(--primary);}
.chips-scroll{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding-top:4px;padding-bottom:12px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chips-scroll::-webkit-scrollbar{display:none;}
.nav-chip{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:7px;
  height:36px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-2);
  background:transparent;border:1px solid rgba(255,255,255,.12);
  transition:all .2s var(--ease);
}
.nav-chip:hover{color:var(--text);border-color:rgba(42,216,196,.4);}
.nav-chip.is-active{
  color:var(--primary);border-color:rgba(42,216,196,.75);
  background:rgba(42,216,196,.12);
}
.nav-chip.is-active::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(42,216,196,.9);
}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.12);
  color:var(--text-2);display:none;align-items:center;justify-content:center;font-size:16px;
}
.menu-toggle:hover{color:var(--primary);border-color:rgba(42,216,196,.45);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#05121A;
  box-shadow:0 0 0 1px rgba(42,216,196,.5),0 0 24px rgba(42,216,196,.35);
}
.btn-primary:hover{
  color:#05121A;filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(42,216,196,.6),0 0 34px rgba(42,216,196,.55);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(42,216,196,.45),0 0 12px rgba(42,216,196,.25);}
.btn-outline{
  background:transparent;color:var(--primary);
  border:1px solid rgba(42,216,196,.45);
}
.btn-outline:hover{color:var(--primary);background:rgba(42,216,196,.1);border-color:var(--primary);}
.btn-ghost{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.14);}
.btn-ghost:hover{color:var(--primary);border-color:rgba(42,216,196,.45);background:rgba(255,255,255,.04);}
.btn-sm{height:36px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;border-radius:999px;}
.btn:disabled,.btn.is-disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed;}
.btn:focus-visible,.nav-chip:focus-visible,.link-quiet:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-more::after{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;transition:transform .2s var(--ease);}
.link-more:hover::after{transform:translateX(3px);}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);padding:22px 0 0;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--primary);}

/* ============ Hero ============ */
.hero{position:relative;padding:26px 0 0;}
.hero-inner{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  border:1px solid var(--line);
  background-image:
    linear-gradient(110deg, rgba(5,8,15,.94) 0%, rgba(5,8,15,.78) 46%, rgba(8,13,24,.6) 100%),
    radial-gradient(520px 320px at 10% 8%, rgba(42,216,196,.16), transparent 70%),
    radial-gradient(420px 300px at 92% 96%, rgba(255,180,67,.12), transparent 68%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center 32%;
}
.hero-grid{display:flex;flex-wrap:wrap;align-items:center;gap:32px;padding:44px 34px 40px;}
.hero-copy{flex:1 1 420px;min-width:280px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:999px;margin-bottom:16px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--primary);background:rgba(42,216,196,.1);border:1px solid rgba(42,216,196,.28);
}
.hero-title{font-size:clamp(28px,4.2vw,46px);font-weight:800;line-height:1.24;margin-bottom:14px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:16px;color:var(--text-2);max-width:520px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-side{flex:0 1 340px;min-width:260px;}
.glass-card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.glass-card::after{
  content:"";position:absolute;top:0;left:0;width:64px;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.hero-cover{border-radius:var(--r-card);overflow:hidden;margin-bottom:16px;border:1px solid var(--line);}
.hero-cover img{width:100%;height:168px;object-fit:cover;}
.info-list{padding:6px 20px 16px;}
.info-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-soft);font-size:14px;}
.info-row:last-child{border-bottom:0;}
.info-row span:first-child{color:var(--text-2);}
.info-row b{font-size:16px;font-weight:700;color:var(--primary);}
.info-row b.amber{color:var(--amber);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.alt{background:var(--bg-alt);}
.section.alt2{background:var(--bg-alt2);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px;}
.sec-index{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.sec-index .line{width:1px;height:20px;background:linear-gradient(180deg,var(--primary),transparent);}
.sec-index .no{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--primary);}
.section-title{font-size:clamp(22px,2.4vw,32px);font-weight:800;}
.section-desc{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
}
.tag-amber{color:var(--amber);background:rgba(255,180,67,.15);border:1px solid rgba(255,180,67,.3);}
.tag-mint{color:var(--primary);background:rgba(42,216,196,.13);border:1px solid rgba(42,216,196,.3);}
.tag-violet{color:var(--violet);background:rgba(110,124,255,.14);border:1px solid rgba(110,124,255,.32);}

/* ============ 时间线 + 对比 ============ */
.split-grid{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-start;}
.tl-col{flex:1 1 300px;min-width:270px;}
.cmp-col{flex:1 1 560px;min-width:300px;}
.timeline{position:relative;padding-left:32px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(42,216,196,.25) 62%,transparent);
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-32px;top:6px;width:20px;height:20px;border-radius:50%;
  background:#0B1220;border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(42,216,196,.12),0 0 16px rgba(42,216,196,.5);
}
.tl-item:nth-child(even) .tl-dot{border-color:var(--amber);box-shadow:0 0 0 4px rgba(255,180,67,.12),0 0 16px rgba(255,180,67,.45);}
.tl-title{font-size:17px;font-weight:700;margin-bottom:6px;}
.tl-desc{font-size:14px;color:var(--text-2);}
.tl-meta{margin-top:8px;font-size:12px;color:var(--text-3);}

.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare-col{
  border-radius:var(--r-card);padding:22px 20px 20px;
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.compare-col:hover{transform:translateY(-4px);border-color:rgba(42,216,196,.3);box-shadow:var(--shadow-hover);}
.compare-col.is-feature{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-color:rgba(42,216,196,.35);
}
.cmp-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line-soft);}
.cmp-name{font-size:18px;font-weight:800;}
.cmp-price{margin-top:12px;font-size:30px;font-weight:800;color:var(--primary);line-height:1;}
.cmp-price small{font-size:13px;font-weight:500;color:var(--text-3);margin-left:4px;}
.compare-col.is-feature .cmp-price{color:var(--amber);}
.cmp-note{margin-top:8px;font-size:13px;color:var(--text-3);}
.cmp-rows{margin-top:16px;}
.cmp-row{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:14px;color:var(--text-2);}
.cmp-row:last-child{border-bottom:0;}
.cmp-row i{flex:0 0 16px;margin-top:5px;font-size:13px;}
.cmp-row .fa-circle-check{color:var(--success);}
.cmp-row .fa-circle-minus{color:var(--text-3);}
.cmp-foot{margin-top:18px;}
.cmp-foot .btn{width:100%;}
@media (max-width:639px){.compare-grid{grid-template-columns:1fr;}}

/* ============ 票种速览 ============ */
.ticket-card{
  height:100%;border-radius:var(--r-card);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.ticket-card:hover{transform:translateY(-4px);border-color:rgba(42,216,196,.35);box-shadow:var(--shadow-hover);}
.ticket-cover{position:relative;overflow:hidden;}
.ticket-cover img{width:100%;height:150px;object-fit:cover;border-radius:0;transition:transform .35s var(--ease);}
.ticket-card:hover .ticket-cover img{transform:scale(1.04);}
.ticket-cover .badge{position:absolute;top:12px;left:12px;}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:700;line-height:1;}
.badge-amber{color:#3A2405;background:var(--amber);}
.badge-mint{color:#04211D;background:var(--primary);}
.badge-violet{color:#0B0F33;background:var(--violet);}
.ticket-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.ticket-name{font-size:17px;font-weight:700;}
.ticket-price{font-size:26px;font-weight:800;color:var(--primary);line-height:1;}
.ticket-price small{font-size:13px;font-weight:500;color:var(--text-3);margin-left:4px;}
.ticket-desc{font-size:14px;color:var(--text-2);flex:1;}
.ticket-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px;}
.ticket-seat{font-size:12px;color:var(--text-3);}

/* ============ 核验提示 ============ */
.notice-panel{
  border-radius:var(--r-panel);padding:30px;
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.notice-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.notice-item{display:flex;gap:14px;align-items:flex-start;}
.notice-item .ico{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:16px;
  background:rgba(42,216,196,.12);color:var(--primary);border:1px solid rgba(42,216,196,.28);
}
.notice-item .ico.v{background:rgba(110,124,255,.12);color:var(--violet);border-color:rgba(110,124,255,.3);}
.notice-item .ico.a{background:rgba(255,180,67,.12);color:var(--amber);border-color:rgba(255,180,67,.3);}
.notice-item h3{font-size:16px;margin-bottom:6px;}
.notice-item p{font-size:14px;color:var(--text-2);}
.tip-block{
  margin-top:24px;border-radius:var(--r-card);padding:18px 20px;
  background:linear-gradient(160deg, rgba(255,180,67,.1), rgba(255,180,67,.03));
  border:1px solid rgba(255,180,67,.28);
  display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--text-2);
}
.tip-block i{color:var(--amber);margin-top:5px;}
@media (max-width:1023px){.notice-list{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.faq-item{
  border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);
  overflow:hidden;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(42,216,196,.4);background:#0E1725;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;text-align:left;
  padding:18px 20px;font-size:15px;font-weight:600;color:var(--text);
  min-height:44px;transition:color .2s var(--ease);
}
.faq-q i{color:var(--primary);font-size:15px;flex:0 0 18px;}
.faq-q .arrow{margin-left:auto;font-size:12px;color:var(--text-3);transition:transform .25s var(--ease);}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);color:var(--primary);}
.faq-q:hover{color:var(--primary);}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a-inner{padding:0 20px 18px 50px;font-size:14px;color:var(--text-2);border-left:2px solid transparent;}
.faq-item.is-open .faq-a-inner{border-left-color:var(--primary);}
@media (max-width:767px){.faq-grid{grid-template-columns:1fr;}}

/* ============ 报名 CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  border:1px solid rgba(42,216,196,.28);padding:36px;
  background-image:
    linear-gradient(120deg, rgba(8,13,24,.94), rgba(11,18,32,.86)),
    radial-gradient(420px 260px at 88% 10%, rgba(255,180,67,.14), transparent 70%),
    radial-gradient(520px 320px at 4% 96%, rgba(42,216,196,.16), transparent 72%);
  box-shadow:var(--shadow-card);
}
.cta-grid{display:flex;flex-wrap:wrap;gap:34px;align-items:flex-start;}
.cta-copy{flex:1 1 340px;min-width:270px;}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
.cta-copy p{font-size:15px;color:var(--text-2);margin-bottom:20px;}
.cta-points{display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:14px;color:var(--text-2);align-items:flex-start;}
.cta-points i{color:var(--primary);margin-top:5px;font-size:13px;}
.cta-form{flex:1 1 460px;min-width:280px;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;color:var(--text-2);}
.field label .req{color:var(--amber);margin-left:2px;}
.field input,.field select,.field textarea{
  height:46px;padding:0 14px;border-radius:10px;
  background:#0C1424;border:1px solid rgba(255,255,255,.12);color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(42,216,196,.18);
}
.form-note{grid-column:1 / -1;font-size:12px;color:var(--text-3);}
.form-msg{grid-column:1 / -1;font-size:13px;color:var(--success);display:none;}
.form-msg.show{display:block;}
@media (max-width:767px){.cta-panel{padding:24px 20px;}.cta-form{grid-template-columns:1fr;}}

/* ============ 页脚 ============ */
.site-footer{background:#060A13;border-top:1px solid var(--line);padding:62px 0 26px;margin-top:20px;}
.footer-grid{gap:28px 20px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:300px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--primary);}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--text-2);}
.footer-contact span{display:flex;gap:9px;align-items:flex-start;}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px;flex:0 0 16px;}
.footer-sub p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.sub-form{display:flex;gap:10px;}
.sub-form input{
  flex:1;height:46px;padding:0 14px;border-radius:10px;
  background:#0C1424;border:1px solid rgba(255,255,255,.12);color:var(--text);
}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(42,216,196,.16);}
.sub-form input::placeholder{color:var(--text-3);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
@media (max-width:639px){.sub-form{flex-direction:column;}.sub-form .btn{width:100%;}}

/* ============ 抽屉 / 回到顶部 / 底部条 ============ */
.drawer{
  position:fixed;top:0;right:-360px;width:320px;max-width:88vw;height:100%;
  background:#080D18;border-left:1px solid var(--line);z-index:90;
  padding:24px 22px;transition:right .3s var(--ease);overflow-y:auto;
}
.drawer.is-open{right:0;}
.drawer-mask{position:fixed;inset:0;background:rgba(2,4,9,.7);z-index:80;opacity:0;visibility:hidden;transition:opacity .3s var(--ease);}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.12);color:var(--text-2);display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{color:var(--primary);border-color:rgba(42,216,196,.45);}
.drawer-title{font-size:13px;color:var(--text-3);margin:18px 0 12px;letter-spacing:.06em;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{padding:12px 14px;border-radius:12px;font-size:15px;color:var(--text-2);border:1px solid transparent;}
.drawer-links a:hover{color:var(--primary);background:rgba(42,216,196,.08);border-color:rgba(42,216,196,.24);}
.drawer-info{margin-top:22px;padding-top:18px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-3);display:flex;flex-direction:column;gap:10px;}
.to-top{
  position:fixed;right:20px;bottom:96px;width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;z-index:70;
  background:rgba(16,24,40,.9);border:1px solid rgba(42,216,196,.35);color:var(--primary);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .25s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--amber);border-color:rgba(255,180,67,.5);}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;height:64px;z-index:75;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  padding:0 18px;background:rgba(8,13,24,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);transition:transform .3s var(--ease);
}
.mobile-bar .mb-txt{font-size:13px;color:var(--text-2);line-height:1.4;}
.mobile-bar .mb-txt b{display:block;font-size:15px;color:var(--primary);}

@media (max-width:1023px){
  .menu-toggle{display:inline-flex;}
  .header-actions .link-quiet{display:none;}
  .hero-grid{padding:34px 22px 32px;}
  .section{padding:72px 0;}
}
@media (max-width:639px){
  .header-actions .btn-sm{display:none;}
  .hero-grid{padding:28px 18px 26px;gap:24px;}
  .hero-cover img{height:140px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:26px;}
  .notice-panel{padding:22px 18px;}
  .mobile-bar{display:flex;}
  .to-top{bottom:82px;right:14px;}
  body{
    background-image:
      radial-gradient(420px 320px at 8% 4%, rgba(42,216,196,.07), transparent 68%),
      radial-gradient(380px 300px at 96% 92%, rgba(255,180,67,.05), transparent 66%);
    background-attachment:scroll,scroll;
  }
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important;}
  .reveal{opacity:1 !important;transform:none !important;}
  html{scroll-behavior:auto;}
}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* roulang page: category4 */
:root{
  --bg:#05080F;
  --bg-2:#080D18;
  --bg-3:#0B1220;
  --panel:#101828;
  --panel-2:#0C1424;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.12);
  --text:#E9F1FF;
  --text-2:#9DAEC8;
  --text-3:#6B7B95;
  --teal:#2AD8C4;
  --teal-d:#12A99A;
  --amber:#FFB443;
  --violet:#6E7CFF;
  --success:#3ED598;
  --danger:#FF6B5B;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-chip:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-lg:0 24px 56px rgba(0,0,0,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 520px at 6% -6%, rgba(42,216,196,.08), transparent 66%),
    radial-gradient(680px 520px at 100% 100%, rgba(255,180,67,.06), transparent 66%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    repeating-linear-gradient(to right, rgba(255,255,255,.03) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(to bottom, rgba(255,255,255,.03) 0 1px, transparent 1px 48px);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.35}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
@media (min-width:1440px){.wrap{max-width:1320px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,8,15,.82);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),padding .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.94);
  border-bottom-color:var(--line);
}
.header-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:16px;
  padding-bottom:12px;
  transition:padding .25s var(--ease);
}
.site-header.is-scrolled .header-top{padding-top:10px;padding-bottom:8px}
.brand{display:inline-flex;align-items:center;gap:12px;min-height:44px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(150deg,rgba(42,216,196,.22),rgba(110,124,255,.14));
  border:1px solid rgba(42,216,196,.42);
  color:var(--teal);
  font-size:16px;
  box-shadow:0 0 22px rgba(42,216,196,.22);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.01em}
.header-actions{display:flex;align-items:center;gap:16px}
.link-quiet{
  font-size:14px;color:var(--text-2);
  padding:10px 2px;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-quiet:hover{color:var(--teal);border-bottom-color:rgba(42,216,196,.5)}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.menu-toggle:hover{border-color:rgba(42,216,196,.5);color:var(--teal)}

/* chips nav */
.chips-scroll{
  display:flex;
  gap:10px;
  padding-top:4px;
  padding-bottom:14px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
}
.chips-scroll::-webkit-scrollbar{display:none}
.nav-chip{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  border-radius:var(--r-chip);
  border:1px solid var(--line-2);
  color:var(--text-2);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.nav-chip:hover{color:var(--text);border-color:rgba(42,216,196,.4)}
.nav-chip.is-active{
  color:var(--teal);
  border-color:rgba(42,216,196,.85);
  background:rgba(42,216,196,.12);
  box-shadow:0 0 0 1px rgba(42,216,196,.18) inset;
}
.nav-chip.is-active::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--teal);
  box-shadow:0 0 10px rgba(42,216,196,.9);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),opacity .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--teal),var(--teal-d));
  color:#05121A;
  box-shadow:0 0 0 1px rgba(42,216,196,.5),0 0 24px rgba(42,216,196,.35);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(42,216,196,.6),0 0 34px rgba(42,216,196,.55);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(42,216,196,.45),0 0 14px rgba(42,216,196,.25)}
.btn-outline{
  background:transparent;
  border-color:rgba(42,216,196,.4);
  color:var(--teal);
}
.btn-outline:hover{border-color:var(--teal);background:rgba(42,216,196,.1);transform:translateY(-2px)}
.btn-ghost{
  background:transparent;
  border-color:var(--line-2);
  color:var(--text);
}
.btn-ghost:hover{border-color:rgba(42,216,196,.5);color:var(--teal);transform:translateY(-2px)}
.btn-lg{min-height:52px;padding:0 30px;font-size:16px;border-radius:999px}
.btn:focus-visible,.nav-chip:focus-visible,.link-quiet:focus-visible,.menu-toggle:focus-visible,a:focus-visible,summary:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:2px;
}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}

.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--teal);font-size:14px;font-weight:600;
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.link-more:hover{gap:10px;color:var(--amber)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 52px;
  background:
    linear-gradient(180deg,rgba(5,8,15,.72),rgba(5,8,15,.96)),
    url("/assets/images/backpic/back-1.png") center 32%/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(520px 320px at 8% 22%, rgba(42,216,196,.16), transparent 70%),
    radial-gradient(460px 320px at 96% 88%, rgba(255,180,67,.12), transparent 70%);
  pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--teal)}
.breadcrumb li{display:inline-flex;align-items:center;gap:10px}
.breadcrumb li+li::before{content:"";width:1px;height:11px;background:var(--line-2)}
.breadcrumb li[aria-current] span{color:var(--teal)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-chip);
  font-size:12px;font-weight:600;
  color:var(--violet);
  background:rgba(110,124,255,.14);
  border:1px solid rgba(110,124,255,.34);
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  font-weight:800;
  max-width:900px;
  margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--teal)}
.lede{max-width:660px;color:var(--text-2);font-size:17px;line-height:1.8;margin-bottom:26px}
.meta-strip{
  display:flex;flex-wrap:wrap;gap:12px 28px;
  padding:16px 20px;
  border-radius:var(--r-card);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.meta-item{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.meta-item i{color:var(--teal)}
.meta-item b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- main / doc layout ---------- */
main{position:relative;z-index:1}
.section{padding:var(--sec) 0}
.section--tight{padding-top:64px}
.section-head{margin-bottom:34px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:800}
.section-head p{color:var(--text-2);margin-top:10px;max-width:720px}

.doc-grid{align-items:flex-start}

/* toc */
.toc-card{
  position:sticky;
  top:104px;
  padding:22px 20px;
  border-radius:var(--r-panel);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line-2);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
}
.toc-title{
  font-size:13px;font-weight:700;color:var(--text-3);
  letter-spacing:.08em;margin-bottom:14px;
}
.toc-list li+li{margin-top:2px}
.toc-list a{
  display:block;
  padding:9px 12px 9px 14px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.toc-list a.is-active{
  color:var(--teal);
  border-left-color:var(--teal);
  background:rgba(42,216,196,.09);
}
.toc-aside{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);line-height:1.75;
}
.toc-aside a{color:var(--teal)}
.toc-aside a:hover{color:var(--amber)}

.toc-mobile{
  border:1px solid var(--line-2);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.04);
  margin-bottom:26px;
  overflow:hidden;
}
.toc-mobile summary{
  cursor:pointer;list-style:none;
  padding:15px 18px;
  font-size:15px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--teal)}
.toc-mobile[open] summary::after{content:"\f077"}
.toc-mobile .toc-list{padding:0 12px 14px}

/* ---------- doc body ---------- */
.doc-panel{
  padding:34px 34px 38px;
  border-radius:var(--r-panel);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.doc-body{counter-reset:sec;max-width:800px}
.doc-body section+section{margin-top:46px;padding-top:40px;border-top:1px solid var(--line)}
.doc-body h2{
  counter-increment:sec;
  display:flex;align-items:baseline;gap:12px;
  font-size:clamp(20px,2.2vw,26px);
  font-weight:800;
  margin-bottom:18px;
}
.doc-body h2::before{
  content:counter(sec,decimal-leading-zero);
  font-size:14px;
  font-weight:700;
  color:var(--teal);
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
  padding-left:12px;
  position:relative;
  flex:0 0 auto;
}
.doc-body h2::after{display:none}
.doc-body h2 .h2-bar{
  display:inline-block;width:3px;height:20px;border-radius:2px;
  background:linear-gradient(180deg,var(--teal),rgba(42,216,196,0));
  flex:0 0 3px;
}
.doc-body h3{
  font-size:18px;font-weight:700;margin:26px 0 12px;color:var(--text);
}
.doc-body p{color:var(--text-2);line-height:1.95;font-size:16.5px}
.doc-body strong{color:var(--text);font-weight:600}
.doc-body a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.doc-body a:hover{color:var(--amber)}

.tick-list{margin:16px 0 4px}
.tick-list li{
  position:relative;
  padding-left:28px;
  margin-bottom:12px;
  color:var(--text-2);
  line-height:1.85;
}
.tick-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;left:0;top:3px;
  font-size:12px;
  color:var(--teal);
}
.num-list{counter-reset:n;margin:16px 0 4px}
.num-list li{
  position:relative;
  padding-left:34px;
  margin-bottom:14px;
  color:var(--text-2);
  counter-increment:n;
}
.num-list li::before{
  content:counter(n);
  position:absolute;left:0;top:2px;
  width:22px;height:22px;border-radius:7px;
  display:grid;place-items:center;
  font-size:12px;font-weight:700;
  color:var(--teal);
  background:rgba(42,216,196,.12);
  border:1px solid rgba(42,216,196,.32);
}

.note{
  position:relative;
  margin:22px 0;
  padding:18px 20px 18px 22px;
  border-radius:var(--r-card);
  background:rgba(42,216,196,.07);
  border:1px solid rgba(42,216,196,.26);
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.note::before{
  content:"";
  position:absolute;left:0;top:16px;bottom:16px;
  width:3px;border-radius:2px;background:var(--teal);
}
.note .note-label{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:700;color:var(--teal);
  margin-bottom:6px;
}
.note--warn{
  background:rgba(255,180,67,.08);
  border-color:rgba(255,180,67,.3);
}
.note--warn::before{background:var(--amber)}
.note--warn .note-label{color:var(--amber)}

.field-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  margin:20px 0 4px;
}
.field-item{
  padding:16px 18px;
  border-radius:14px;
  background:var(--panel-2);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.field-item:hover{border-color:rgba(42,216,196,.36);transform:translateY(-2px)}
.field-item dt{
  font-size:14px;font-weight:700;color:var(--text);
  display:flex;align-items:center;gap:8px;margin-bottom:6px;
}
.field-item dt i{color:var(--teal);font-size:13px}
.field-item dd{margin:0;font-size:14px;color:var(--text-2);line-height:1.8}

.tier-list{margin:18px 0 4px}
.tier-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
}
.tier-list li:last-child{border-bottom:none}
.tier-name{
  flex:0 0 96px;
  font-size:14px;font-weight:700;color:var(--text);
}
.tier-name span{display:block;font-size:12px;color:var(--text-3);font-weight:500;margin-top:2px}
.tier-desc{font-size:14.5px;color:var(--text-2);line-height:1.8}

.qa-list{margin-top:18px}
.qa-list details{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--bg-3);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s var(--ease);
}
.qa-list details[open]{border-color:rgba(42,216,196,.4)}
.qa-list summary{
  cursor:pointer;list-style:none;
  padding:16px 20px 16px 46px;
  font-size:15.5px;font-weight:600;color:var(--text);
  position:relative;
  transition:color .2s var(--ease);
}
.qa-list summary::-webkit-details-marker{display:none}
.qa-list summary::before{
  content:"\f059";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;left:19px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--teal);
}
.qa-list summary:hover{color:var(--teal)}
.qa-list .qa-body{
  padding:0 20px 18px 46px;
  font-size:15px;color:var(--text-2);line-height:1.9;
}

/* ---------- related cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  background:var(--panel);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(42,216,196,.45);box-shadow:var(--shadow-lg)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(140deg,#0C1424,#123047)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0),rgba(5,8,15,.55));
}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;font-weight:700;line-height:1.5}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;
  height:24px;padding:0 11px;
  border-radius:var(--r-chip);
  font-size:12px;font-weight:600;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-2);
}
.chip--teal{color:var(--teal);background:rgba(42,216,196,.12);border-color:rgba(42,216,196,.32)}
.chip--amber{color:var(--amber);background:rgba(255,180,67,.13);border-color:rgba(255,180,67,.32)}
.chip--violet{color:var(--violet);background:rgba(110,124,255,.14);border-color:rgba(110,124,255,.32)}
.card-foot{margin-top:auto;padding-top:4px}

/* ---------- cta ---------- */
.cta-section{padding:0 0 var(--sec)}
.cta-inner{
  display:grid;
  grid-template-columns:1.35fr .85fr;
  gap:34px;
  align-items:center;
  padding:40px;
  border-radius:var(--r-panel);
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid rgba(42,216,196,.3);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;margin-bottom:12px}
.cta-inner p{color:var(--text-2);max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:18px}
.cta-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.cta-points i{color:var(--teal)}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-actions .btn{width:100%}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  z-index:1;
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 32px;
}
.footer-grid{gap:32px 0}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;max-width:320px}
.footer-title{
  font-size:13px;font-weight:700;color:var(--text);
  letter-spacing:.06em;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;color:var(--text-2);
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:var(--teal)}
.footer-contact{display:flex;flex-direction:column;gap:11px}
.footer-contact span{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--text-2);
}
.footer-contact i{color:var(--teal);width:16px;text-align:center}
.footer-sub p{font-size:14px;color:var(--text-2);margin-bottom:14px}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 180px;min-width:0;
  height:46px;padding:0 16px;
  border-radius:10px;
  background:var(--panel-2);
  border:1px solid var(--line-2);
  color:var(--text);
  font-size:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{
  outline:none;
  border-color:var(--teal);
  box-shadow:0 0 0 4px rgba(42,216,196,.18);
}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .36s var(--ease),transform .36s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sec:72px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;padding:32px;gap:24px}
  .toc-card{position:static}
  .doc-panel{padding:28px 24px 30px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .wrap{padding:0 20px}
  .link-quiet{display:none}
  .menu-toggle{display:inline-grid;place-items:center}
  .header-top{gap:12px}
  .chips-scroll{margin:0 -20px;padding-left:20px;padding-right:20px}
  .page-hero{padding:40px 0 38px}
  .lede{font-size:16px}
  .field-list{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .doc-body section+section{margin-top:34px;padding-top:30px}
  .tier-list li{flex-direction:column;gap:6px}
  .tier-name{flex:0 0 auto}
  .qa-list summary{padding-left:42px;font-size:15px}
  .qa-list .qa-body{padding-left:20px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:519px){
  .brand-text{font-size:17px}
  .page-hero h1{font-size:27px}
  .doc-panel{padding:22px 18px 26px}
  .cta-inner{padding:24px 20px}
  .btn-lg{width:100%}
}
@media (max-width:1023px){
  body::after{background-size:auto}
}