/* roulang page: index */
:root{
  --bg-900:#05070F;
  --bg-800:#0A1020;
  --bg-700:#101A33;
  --brand-500:#2F7BFF;
  --brand-400:#5FA2FF;
  --accent-500:#FFC53D;
  --accent-600:#E8A100;
  --alert-500:#FF5A3C;
  --ok-500:#29D3A3;
  --text-1:#F2F6FF;
  --text-2:#B7C3DA;
  --text-3:#7C8AA5;
  --line:rgba(120,160,255,.16);
  --line-soft:rgba(120,160,255,.10);
  --glass:rgba(16,26,51,.62);
  --glass-hi:rgba(255,255,255,.08);
  --gold-line:rgba(255,197,61,.45);
  --r-card:18px;--r-btn:12px;--r-pill:999px;--r-input:12px;--r-media:16px;--r-zone:24px;
  --sh-card:0 8px 24px rgba(3,8,20,.55);
  --sh-hover:0 18px 44px rgba(47,123,255,.22);
  --sh-glow:0 0 0 1px rgba(255,197,61,.45),0 8px 28px rgba(255,197,61,.30);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--text-1);
  background-color:var(--bg-900);
  background-image:
    radial-gradient(900px 520px at 10% -8%, rgba(47,123,255,.17), transparent 62%),
    radial-gradient(760px 470px at 92% 4%, rgba(255,197,61,.12), transparent 64%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;
  pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(120,160,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,160,255,.055) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 72%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-1)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
@media (min-width:1440px){.wrap{max-width:1280px}}
.section{padding:88px 0;position:relative;z-index:1}
.section-alt{background:linear-gradient(180deg, rgba(10,16,32,.86), rgba(10,16,32,.35))}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;letter-spacing:.5px;color:var(--accent-500);border:1px solid var(--gold-line);border-radius:var(--r-pill);padding:4px 14px;margin-bottom:14px;background:rgba(255,197,61,.06)}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700}
.sec-head .sec-desc{margin-top:12px;font-size:15px;line-height:1.9;color:var(--text-2);max-width:640px}
.divider-line{height:1px;width:100%;background:linear-gradient(90deg, transparent, rgba(120,160,255,.28), rgba(255,197,61,.30), transparent)}

/* ---------- 倒计时条 ---------- */
.countdown-bar{
  position:relative;z-index:60;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg, rgba(255,197,61,0), rgba(255,197,61,.7), rgba(255,197,61,0)) 1;
  background:linear-gradient(90deg, rgba(16,26,51,.86), rgba(10,16,32,.82));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-soft);
}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px;padding:8px 0}
.cd-left{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cd-pill{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:500;letter-spacing:.5px;color:#1A0F00;background:linear-gradient(180deg,#FF8B6A,#FF5A3C);border-radius:var(--r-pill);padding:4px 12px}
.cd-label{font-size:13px;color:var(--text-2)}
.cd-clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.cd-num{min-width:38px;text-align:center;font-size:20px;font-weight:700;color:var(--text-1);background:rgba(5,7,15,.72);border:1px solid var(--line);border-radius:10px;padding:2px 4px;line-height:1.4}
.cd-sep{color:var(--accent-500);font-weight:700}
.cd-link{font-size:14px;font-weight:600;color:var(--accent-500);display:inline-flex;align-items:center;gap:6px}
.cd-link i{transition:transform .2s ease}
.cd-link:hover i{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(5,7,15,.72);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line);transition:background .25s ease, box-shadow .25s ease}
.site-header.is-stuck{background:rgba(5,7,15,.94);box-shadow:0 12px 32px rgba(3,8,20,.6)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:36px;height:36px;display:grid;place-items:center;flex-shrink:0}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.4px;color:var(--text-1)}
.brand:hover .brand-text{color:var(--accent-500)}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text-2);border-radius:10px}
.nav-link::after{content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;background:var(--accent-500);transform:translateX(-50%);transition:width .22s ease}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:calc(100% - 28px)}
.nav-link.is-active{color:var(--text-1)}
.nav-link.is-active::after{width:calc(100% - 28px)}
.nav-right{display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;font-size:14px;font-weight:600;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;transition:all .2s ease}
.mega-trigger:hover{color:var(--text-1);border-color:var(--gold-line);background:rgba(255,255,255,.08)}
.mega-trigger .caret{transition:transform .22s ease;font-size:12px;color:var(--accent-500)}
.mega-wrap.open .mega-trigger{color:var(--text-1);border-color:var(--gold-line)}
.mega-wrap.open .mega-trigger .caret{transform:rotate(180deg)}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:760px;max-width:calc(100vw - 40px);background:linear-gradient(180deg, rgba(16,26,51,.97), rgba(10,16,32,.97));border:1px solid var(--line);border-radius:var(--r-zone);box-shadow:var(--sh-card);padding:26px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .18s ease, transform .18s ease, visibility .18s ease}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mega-col h4{font-size:13px;font-weight:600;letter-spacing:.5px;color:var(--accent-500);margin-bottom:14px}
.mega-item{display:flex;gap:10px;padding:9px 10px;border-radius:12px;transition:background .2s ease}
.mega-item:hover{background:rgba(255,255,255,.06)}
.mega-item i{font-size:14px;color:var(--brand-400);margin-top:5px;flex-shrink:0}
.mega-item b{display:block;font-size:14px;font-weight:600;color:var(--text-1);line-height:1.5}
.mega-item span{display:block;font-size:12px;color:var(--text-3);line-height:1.6}
.mega-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line-soft)}
.mega-foot a{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px;font-weight:600;color:var(--text-1);background:rgba(47,123,255,.10);border:1px solid var(--line);border-radius:14px;padding:14px 18px;transition:all .2s ease}
.mega-foot a:hover{border-color:var(--gold-line);background:rgba(255,197,61,.08)}
.nav-toggle{display:none;align-items:center;gap:8px;height:40px;padding:0 14px;font-size:14px;font-weight:600;color:var(--text-1);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer}
.nav-toggle:hover{border-color:var(--gold-line)}

/* ---------- 按钮 ---------- */
.btn-gold{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;font-size:15px;font-weight:600;color:#231703;background:linear-gradient(180deg,#FFD871,var(--accent-500) 52%,var(--accent-600));border:1px solid rgba(255,197,61,.65);border-radius:var(--r-btn);cursor:pointer;transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;white-space:nowrap}
.btn-gold:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-glow);color:#231703}
.btn-gold:active{transform:translateY(1px);box-shadow:none}
.btn-gold.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-gold.btn-lg{height:52px;padding:0 32px;font-size:16px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;font-size:15px;font-weight:600;color:var(--text-1);background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;transition:all .2s ease;white-space:nowrap}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:var(--gold-line);color:var(--text-1);transform:translateY(-2px)}
.btn-ghost.btn-lg{height:52px;padding:0 30px;font-size:16px}
.link-gold{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent-500)}
.link-gold i{transition:transform .2s ease}
.link-gold:hover{color:#FFD871}
.link-gold:hover i{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 88px;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg, transparent, rgba(120,160,255,.28), rgba(255,197,61,.30), transparent)}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;min-height:560px}
.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.15;font-weight:800;letter-spacing:0}
.hero h1 em{font-style:normal;color:var(--accent-500)}
.hero-sub{margin-top:22px;font-size:16px;line-height:1.9;color:var(--text-2);max-width:520px}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.trust-row{margin-top:34px;display:flex;gap:12px;flex-wrap:wrap}
.trust-pill{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--text-2);background:var(--glass);border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px;-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%)}
.trust-pill i{font-size:13px;color:var(--ok-500)}
.hero-visual{position:relative}
.hero-media{position:relative;border-radius:var(--r-zone);overflow:hidden;border:1px solid var(--gold-line);box-shadow:var(--sh-card),0 0 40px rgba(255,197,61,.12);aspect-ratio:16/11;background:var(--bg-700)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(5,7,15,.10), rgba(5,7,15,.68))}
.hero-float{position:absolute;right:-14px;bottom:-24px;min-width:220px;background:rgba(16,26,51,.86);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--sh-card)}
.hero-float .hf-row{display:flex;align-items:center;justify-content:space-between;gap:16px}
.hero-float .hf-row + .hf-row{margin-top:12px;padding-top:12px;border-top:1px solid var(--line-soft)}
.hero-float span{font-size:12px;color:var(--text-3)}
.hero-float b{font-size:18px;font-weight:700;color:var(--accent-500);font-variant-numeric:tabular-nums}

/* ---------- 卖点步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{position:relative;padding:34px 28px;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease}
.step::before{content:"";position:absolute;top:0;left:24px;right:24px;height:2px;background:linear-gradient(90deg, var(--brand-500), var(--accent-500));border-radius:2px}
.step:hover{transform:translateY(-4px);border-color:rgba(255,197,61,.3);box-shadow:var(--sh-hover)}
.step-num{display:block;font-size:52px;line-height:1;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--accent-500);font-variant-numeric:tabular-nums;margin-bottom:18px}
.step h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:12px}
.step p{font-size:14px;line-height:1.9;color:var(--text-2)}

/* ---------- 图墙 ---------- */
.wall-frame{border:1px solid var(--line);border-radius:var(--r-zone);padding:24px;background:rgba(10,16,32,.5)}
.wall{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:190px;gap:24px}
.wall-item{position:relative;overflow:hidden;border-radius:var(--r-media);border:1px solid var(--line);background:var(--bg-700)}
.wall-item.tall{grid-row:span 2}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.wall-item:hover img{transform:scale(1.04)}
.wall-item .wall-cap{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;background:linear-gradient(180deg, rgba(5,7,15,0), rgba(5,7,15,.86));transform:translateY(6px);opacity:.94;transition:transform .25s ease}
.wall-item:hover .wall-cap{transform:translateY(0);opacity:1}
.wall-cap b{display:block;font-size:15px;font-weight:600;color:var(--text-1)}
.wall-cap span{display:block;font-size:12px;color:var(--text-3);margin-top:4px}

/* ---------- CTA + 表单 ---------- */
.cta-box{display:grid;grid-template-columns:5fr 7fr;gap:40px;background:linear-gradient(140deg, rgba(16,26,51,.9), rgba(10,16,32,.86));border:1px solid var(--line);border-radius:var(--r-zone);padding:40px;-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--sh-card)}
.cta-info h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:18px}
.cta-info p{font-size:15px;line-height:1.9;color:var(--text-2)}
.benefit-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.benefit-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.8}
.benefit-list i{color:var(--accent-500);margin-top:6px;font-size:12px}
.quota{margin-top:28px}
.quota-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);margin-bottom:10px}
.quota-head b{color:var(--alert-500);font-weight:600}
.quota-track{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);overflow:hidden}
.quota-fill{height:100%;width:68%;border-radius:var(--r-pill);background:linear-gradient(90deg, var(--alert-500), var(--accent-500))}
.form-panel{background:rgba(5,7,15,.55);border:1px solid var(--line);border-radius:var(--r-card);padding:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--text-2)}
.field input,.field select,.field textarea{width:100%;min-height:46px;padding:11px 14px;font-size:14px;font-family:inherit;color:var(--text-1);background:rgba(5,7,15,.75);border:1px solid var(--line);border-radius:var(--r-input);transition:border-color .2s ease, box-shadow .2s ease;outline:none}
.field textarea{min-height:96px;resize:vertical;line-height:1.8}
.field select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--accent-500) 50%),linear-gradient(135deg, var(--accent-500) 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:#5C6884}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold-line);box-shadow:0 0 0 3px rgba(255,197,61,.16)}
.field .hint{font-size:12px;color:var(--text-3)}
.form-actions{grid-column:1 / -1;margin-top:6px}
.form-actions .btn-gold{width:100%}
.form-note{grid-column:1 / -1;font-size:12px;color:var(--text-3)}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-lead{grid-column:1 / -1;display:grid;grid-template-columns:4fr 8fr;gap:0;overflow:hidden;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease}
.news-lead:hover{transform:translateY(-4px);border-color:rgba(255,197,61,.3);box-shadow:var(--sh-hover)}
.news-lead-media{position:relative;min-height:260px;overflow:hidden}
.news-lead-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.news-lead-body{padding:28px 30px;display:flex;flex-direction:column;gap:14px}
.news-lead-body h3{font-size:22px;line-height:1.45;font-weight:600}
.news-lead-body h3 a:hover{color:var(--accent-500)}
.news-lead-body p{font-size:14px;line-height:1.85;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card{overflow:hidden;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);border-color:rgba(255,197,61,.3);box-shadow:var(--sh-hover)}
.news-card-media{position:relative;overflow:hidden}
.news-card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-card-media img{transform:scale(1.04)}
.news-card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-card-body h3{font-size:18px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-body h3 a:hover{color:var(--accent-500)}
.news-card-body p{font-size:14px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:12px;color:var(--text-3)}
.meta-row i{color:var(--accent-500)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:500;letter-spacing:.5px;border-radius:var(--r-pill);padding:4px 12px;align-self:flex-start}
.badge-gold{color:var(--accent-500);border:1px solid var(--gold-line);background:rgba(255,197,61,.08)}
.badge-alert{color:#FF8B6A;border:1px solid rgba(255,90,60,.45);background:rgba(255,90,60,.08)}
.badge-ok{color:var(--ok-500);border:1px solid rgba(41,211,163,.4);background:rgba(41,211,163,.08)}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;min-height:260px;text-align:center;background:var(--glass);border:1px dashed var(--line);border-radius:var(--r-card);padding:48px 24px}
.empty-state i{font-size:30px;color:var(--text-3)}
.empty-state p{font-size:15px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:14px;-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);overflow:hidden;transition:border-color .2s ease}
.faq-item[open]{border-color:rgba(255,197,61,.35)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:62px;padding:18px 24px;font-size:16px;font-weight:600;color:var(--text-1)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--accent-500);opacity:0;transition:opacity .2s ease}
.faq-item[open] summary::before{opacity:1}
.faq-item summary .faq-icon{font-size:18px;color:var(--accent-500);transition:transform .25s ease;flex-shrink:0}
.faq-item[open] summary .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;border-top:1px solid var(--line-soft);margin-top:2px}
.faq-body p{font-size:15px;line-height:1.9;color:var(--text-2);padding-top:16px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:8px;background:linear-gradient(180deg, rgba(10,16,32,.9), rgba(5,7,15,.98));border-top:1px solid var(--line);position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--accent-500);margin-bottom:18px;letter-spacing:.4px}
.footer-col p{font-size:14px;line-height:1.9;color:var(--text-2);max-width:320px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{position:relative;font-size:14px;color:var(--text-2);padding-left:0;transition:color .2s ease, padding-left .2s ease}
.footer-links a::before{content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:var(--accent-500);opacity:0;transition:opacity .2s ease}
.footer-links a:hover{color:var(--text-1);padding-left:12px}
.footer-links a:hover::before{opacity:1}
.footer-contact li{font-size:14px;color:var(--text-2);line-height:1.9;display:flex;gap:10px}
.footer-contact li + li{margin-top:12px}
.footer-contact i{color:var(--brand-400);margin-top:6px;font-size:13px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:20px 0 28px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-3)}
.back-top{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 18px;cursor:pointer;transition:all .2s ease}
.back-top:hover{color:var(--accent-500);border-color:var(--gold-line)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mega-panel{width:680px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0}
  .hero-media{aspect-ratio:16/9}
  .hero-float{right:12px;bottom:-20px}
  .steps{grid-template-columns:1fr 1fr}
  .cta-box{grid-template-columns:1fr;padding:30px}
  .news-grid{grid-template-columns:1fr 1fr}
  .news-lead{grid-template-columns:1fr}
  .news-lead-media{min-height:200px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .main-nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 20px;background:rgba(5,7,15,.98);border-bottom:1px solid var(--line);display:none}
  .main-nav.open{display:flex}
  .nav-link{padding:14px 6px;font-size:15px;border-bottom:1px solid var(--line-soft)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--accent-500)}
  .nav-toggle{display:inline-flex}
  .nav-cta-desktop{display:none}
  .mega-panel{position:fixed;left:20px;right:20px;top:auto;width:auto;max-width:none}
  .mega-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .wall{grid-template-columns:1fr;grid-auto-rows:200px}
  .wall-item.tall{grid-row:span 1}
  .news-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .countdown-inner{flex-direction:column;align-items:flex-start;gap:10px;padding:12px 0}
  .cd-num{min-width:32px;font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%}
  .form-grid{grid-template-columns:1fr}
  .step-num{font-size:42px}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  .section{padding:48px 0}
  body{font-size:15px;line-height:1.9}
  .brand-text{font-size:17px}
  .cta-box{padding:22px}
  .form-panel{padding:20px}
  .sec-head{margin-bottom:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .wall-item:hover img{transform:none}
}

/* roulang page: article */
:root{
  --bg-900:#05070F;
  --bg-800:#0A1020;
  --bg-700:#101A33;
  --brand-500:#2F7BFF;
  --brand-400:#5FA2FF;
  --accent-500:#FFC53D;
  --accent-600:#E8A100;
  --alert-500:#FF5A3C;
  --ok-500:#29D3A3;
  --text-1:#F2F6FF;
  --text-2:#B7C3DA;
  --text-3:#7C8AA5;
  --line:rgba(120,160,255,.16);
  --line-gold:rgba(255,197,61,.45);
  --glass:rgba(255,255,255,.05);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:12px;
  --r-media:16px;
  --r-zone:24px;
  --sh-card:0 8px 24px rgba(3,8,20,.55);
  --sh-hover:0 18px 44px rgba(47,123,255,.22);
  --sh-glow:0 0 0 1px rgba(255,197,61,.45),0 8px 28px rgba(255,197,61,.30);
  --container:1200px;
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono: ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
@media (min-width:1440px){ :root{ --container:1280px; } }

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg-900);
  color:var(--text-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(620px 440px at 10% -4%, rgba(47,123,255,.16), transparent 72%),
    radial-gradient(520px 400px at 92% 8%, rgba(255,197,61,.11), transparent 72%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(120,160,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,160,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 62%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 62%);
  opacity:.5;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:inherit;}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text-1);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn i{font-size:13px;}
.btn-gold{
  background:linear-gradient(180deg,#FFD873 0%,var(--accent-500) 55%,var(--accent-600) 100%);
  color:#1A1200;
  box-shadow:0 8px 24px rgba(255,197,61,.22);
}
.btn-gold:hover,.btn-gold:focus{
  color:#1A1200;filter:brightness(1.06);transform:translateY(-2px);
  box-shadow:var(--sh-glow);
}
.btn-gold:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:var(--line);
  color:var(--text-1);
}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:var(--line-gold);color:var(--text-1);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent-500);font-size:14px;font-weight:600;
}
.link-more i{transition:transform .2s ease;font-size:12px;}
.link-more:hover{color:var(--accent-600);}
.link-more:hover i{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;letter-spacing:.5px;line-height:1.6;
  border:1px solid var(--line-gold);color:var(--accent-500);
  background:rgba(255,197,61,.08);
}
.badge-pill.blue{border-color:rgba(95,162,255,.45);color:var(--brand-400);background:rgba(47,123,255,.10);}
.badge-pill.alert{border-color:rgba(255,90,60,.45);color:var(--alert-500);background:rgba(255,90,60,.10);}
.badge-pill.ok{border-color:rgba(41,211,163,.42);color:var(--ok-500);background:rgba(41,211,163,.10);}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  transition:.2s;
}
.tag:hover{color:var(--accent-500);border-color:var(--line-gold);background:rgba(255,197,61,.08);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,15,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(5,7,15,.94);box-shadow:0 12px 34px rgba(3,8,20,.62);}
.nav-wrap{display:flex;align-items:center;gap:22px;height:68px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;filter:drop-shadow(0 4px 12px rgba(255,197,61,.25));}
.brand-text{
  font-size:19px;font-weight:700;letter-spacing:.2px;
  background:linear-gradient(92deg,#FFFFFF 0%,#F2F6FF 46%,#FFD873 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-right:auto;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;font-weight:500;
  color:var(--text-2);border-radius:10px;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent-500),var(--accent-600));
  transition:left .25s ease,right .25s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{left:12px;right:12px;}
.nav-link.is-active{color:var(--text-1);}
.nav-link.is-active::after{left:12px;right:12px;}
.nav-cta-mobile{display:none;}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-1);
  cursor:pointer;font-size:16px;transition:.2s;
}
.nav-toggle:hover{border-color:var(--line-gold);color:var(--accent-500);}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text-2);font-size:14px;font-weight:500;cursor:pointer;
  transition:.2s;
}
.mega-trigger .caret{font-size:11px;transition:transform .2s ease;color:var(--accent-500);}
.mega-trigger:hover,.mega-wrap.open .mega-trigger{color:var(--text-1);border-color:var(--line-gold);background:rgba(255,197,61,.07);}
.mega-wrap.open .mega-trigger .caret{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:760px;padding:22px;
  border-radius:22px;
  background:linear-gradient(180deg,rgba(16,26,51,.97),rgba(8,13,26,.98));
  border:1px solid var(--line);
  box-shadow:0 26px 64px rgba(3,8,20,.72);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
  z-index:70;
}
.mega-wrap.open .mega-panel,.mega-wrap:hover .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.mega-title{
  display:block;font-size:12px;font-weight:600;letter-spacing:1px;
  color:var(--accent-500);margin-bottom:12px;
}
.mega-item{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px;border-radius:12px;transition:.2s;
}
.mega-item i{font-size:14px;color:var(--brand-400);margin-top:4px;flex-shrink:0;}
.mega-item span{display:block;}
.mega-item b{display:block;font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:2px;}
.mega-item span span{font-size:12px;color:var(--text-3);line-height:1.6;}
.mega-item:hover{background:rgba(47,123,255,.10);}
.mega-item:hover i{color:var(--accent-500);}
.mega-feature{
  display:flex;align-items:center;gap:14px;margin-top:18px;padding:12px;
  border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:.2s;
}
.mega-feature:hover{border-color:var(--line-gold);background:rgba(255,197,61,.06);}
.mega-feature img{width:76px;height:52px;object-fit:cover;border-radius:12px;flex-shrink:0;}
.mega-feature b{display:block;font-size:14px;color:var(--text-1);}
.mega-feature span{display:block;font-size:12px;color:var(--text-3);}
.mega-feature > i{margin-left:auto;color:var(--accent-500);font-size:13px;}

/* ============ 页面主体 ============ */
.site-main{position:relative;padding:0 0 88px;z-index:1;}
.page-top-bg{
  position:absolute;top:0;left:0;right:0;height:420px;overflow:hidden;pointer-events:none;z-index:0;
}
.page-top-bg img{width:100%;height:100%;object-fit:cover;opacity:.16;}
.page-top-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.35) 0%,rgba(5,7,15,.85) 60%,var(--bg-900) 100%);
}

/* 面包屑 */
.crumb-bar{position:relative;z-index:2;padding-top:18px;}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-height:40px;font-size:13px;color:var(--text-3);}
.breadcrumb-nav a{color:var(--text-3);}
.breadcrumb-nav a:hover{color:var(--text-1);}
.breadcrumb-nav .sep{color:var(--accent-500);opacity:.85;}
.breadcrumb-nav .current{color:var(--accent-500);}

/* 文章头 */
.article-head{position:relative;z-index:2;padding:22px 0 0;max-width:920px;}
.article-head h1{
  font-size:clamp(28px,4vw,46px);line-height:1.25;font-weight:800;
  margin:18px 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.meta-row i{font-size:12px;color:var(--brand-400);margin-right:4px;}
.meta-row .dot{color:var(--accent-500);}
.glow-line{
  height:1px;margin:28px 0 0;border-radius:2px;
  background:linear-gradient(90deg,rgba(255,197,61,.65),rgba(47,123,255,.45) 45%,transparent 100%);
}

/* 正文玻璃容器 */
.article-shell{position:relative;z-index:2;max-width:900px;margin:0 auto;padding-top:34px;}
.article-body-wrap{
  border-radius:var(--r-zone);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,26,51,.72),rgba(10,16,32,.9));
  box-shadow:var(--sh-card);
  padding:26px;
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
}
.article-body{
  background:#0A1020;
  border:1px solid rgba(120,160,255,.10);
  border-radius:16px;
  padding:34px 38px;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{font-size:16px;line-height:1.95;color:#E8EEFA;margin:0 0 1.2em;}
.article-body h2{
  position:relative;padding-left:16px;
  font-size:clamp(20px,2.4vw,26px);line-height:1.4;font-weight:700;color:var(--text-1);
  margin:40px 0 16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.2em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent-500),var(--accent-600));
}
.article-body h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--text-1);margin:28px 0 12px;}
.article-body h4{font-size:16px;font-weight:600;color:var(--text-1);margin:22px 0 10px;}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.2em;line-height:1.9;color:#E8EEFA;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--accent-500);}
.article-body ol li::marker{color:var(--accent-500);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--accent-500);
  background:rgba(255,255,255,.045);
  border-radius:0 12px 12px 0;
  color:var(--text-2);font-style:italic;
}
.article-body blockquote p{color:var(--text-2);margin-bottom:0;}
.article-body img{margin:24px auto;border-radius:12px;width:100%;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand-400);border-bottom:1px solid rgba(95,162,255,.45);}
.article-body a:hover{color:var(--accent-500);border-bottom-color:var(--line-gold);}
.article-body strong{color:#FFFFFF;font-weight:700;}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,rgba(255,197,61,.4),transparent);margin:32px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;overflow:hidden;border-radius:12px;}
.article-body thead th{
  background:rgba(47,123,255,.14);color:var(--text-1);font-weight:600;
  padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);
}
.article-body td{padding:12px 14px;color:var(--text-2);border-bottom:1px solid rgba(120,160,255,.10);}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.article-body tbody tr:hover{background:rgba(47,123,255,.08);}
.article-body code{
  font-family:var(--mono);font-size:13px;color:var(--accent-500);
  background:rgba(5,7,15,.85);border:1px solid var(--line);border-radius:6px;padding:2px 6px;
}
.article-body .num-chip{
  display:inline-block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  background:rgba(5,7,15,.85);border:1px solid var(--line);border-radius:8px;
  padding:1px 8px;color:var(--accent-500);font-size:14px;
}

/* 空态 */
.article-empty{
  text-align:center;padding:56px 24px;
  background:#0A1020;border:1px solid rgba(120,160,255,.10);border-radius:16px;
}
.article-empty i{font-size:40px;color:var(--brand-400);opacity:.8;}
.article-empty h2{font-size:22px;margin:18px 0 10px;}
.article-empty p{color:var(--text-2);font-size:15px;max-width:560px;margin:0 auto 24px;}

/* 文末操作 */
.article-foot{padding:28px 0 0;}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tag-label{font-size:13px;color:var(--text-3);letter-spacing:.5px;}
.article-actions{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:24px;padding-top:24px;border-top:1px solid var(--line);
}
.share-group{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.share-group button{
  width:40px;height:40px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);
  transition:.2s;
}
.share-group button:hover{color:var(--accent-500);border-color:var(--line-gold);background:rgba(255,197,61,.08);}
.copy-tip{font-size:12px;color:var(--ok-500);opacity:0;transition:opacity .25s ease;}
.copy-tip.show{opacity:1;}

/* ============ 相关推荐 ============ */
.section{margin-top:72px;position:relative;z-index:2;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rcard{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,26,51,.72),rgba(10,16,32,.86));
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rcard::before{content:"";height:2px;background:linear-gradient(90deg,var(--brand-500),var(--accent-500));}
.rcard:hover{transform:translateY(-4px);border-color:rgba(255,197,61,.35);box-shadow:var(--sh-hover);}
.rcard-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rcard:hover .rcard-media img{transform:scale(1.04);}
.rcard-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,0) 35%,rgba(5,7,15,.75) 100%);
}
.rcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rcard-body h3{
  font-size:18px;line-height:1.45;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard-body p{
  font-size:14px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard-body .rcard-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--text-3);
}

/* ============ CTA 条 ============ */
.cta-bar{
  margin-top:56px;position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:34px 38px;min-height:140px;
  border-radius:var(--r-zone);
  border:1px solid var(--line);
  background:
    radial-gradient(520px 220px at 8% 10%, rgba(47,123,255,.20), transparent 70%),
    radial-gradient(420px 200px at 92% 90%, rgba(255,197,61,.16), transparent 72%),
    rgba(10,16,32,.85);
  box-shadow:var(--sh-card);
}
.cta-bar .cta-text{max-width:660px;}
.cta-bar h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;margin-bottom:10px;}
.cta-bar p{font-size:14px;color:var(--text-2);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;margin-top:80px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,32,.7),rgba(5,7,15,.97));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px;padding:56px 0 34px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-col p{font-size:14px;line-height:1.9;color:var(--text-2);max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--accent-500);letter-spacing:.6px;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{position:relative;font-size:14px;color:var(--text-2);padding-left:0;transition:color .2s ease,padding-left .2s ease;}
.footer-links a::before{
  content:"";position:absolute;left:-12px;top:50%;width:5px;height:5px;border-radius:50%;
  background:var(--accent-500);transform:translateY(-50%) scale(0);transition:transform .2s ease;
}
.footer-links a:hover{color:var(--text-1);padding-left:12px;}
.footer-links a:hover::before{transform:translateY(-50%) scale(1);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:13px;line-height:1.8;color:var(--text-2);}
.footer-contact i{color:var(--brand-400);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text-2);font-size:13px;cursor:pointer;transition:.2s;
}
.back-top:hover{color:var(--accent-500);border-color:var(--line-gold);background:rgba(255,197,61,.08);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .mega-panel{width:700px;}
}
@media (max-width:991.98px){
  .nav-wrap{height:60px;gap:12px;}
  .nav-toggle{display:inline-flex;margin-left:auto;order:3;}
  .brand-text{font-size:16px;}
  .main-nav{
    position:absolute;left:-20px;right:-20px;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:14px 20px 22px;
    background:rgba(8,13,26,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 22px 50px rgba(3,8,20,.7);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{width:100%;padding:13px 10px;font-size:16px;border-radius:12px;}
  .nav-link::after{display:none;}
  .nav-link:hover{background:rgba(255,255,255,.05);}
  .nav-link.is-active{color:var(--accent-500);background:rgba(255,197,61,.08);}
  .nav-cta-mobile{display:flex;width:100%;margin-top:12px;}
  .nav-right{gap:8px;}
  .nav-right > .btn-gold{display:none;}
  .mega-panel{
    position:absolute;left:-20px;right:-20px;top:calc(100% + 10px);
    width:auto;max-height:74vh;overflow-y:auto;padding:18px;
    border-radius:18px;
  }
  .mega-grid{grid-template-columns:1fr;gap:14px;}
  .section{margin-top:56px;}
  .article-body{padding:26px 22px;}
  .article-body p{font-size:15px;line-height:1.9;}
  .article-body-wrap{padding:16px;}
  .related-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .cta-bar{padding:28px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 28px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .main-nav{left:-16px;right:-16px;padding-left:16px;padding-right:16px;}
  .mega-panel{left:-16px;right:-16px;}
  .article-head h1{font-size:26px;}
  .article-body-wrap{padding:12px;border-radius:20px;}
  .article-body{padding:20px 16px;border-radius:14px;}
  .article-body h2{margin-top:32px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-bar{padding:24px 18px;}
  .cta-bar .btn{width:100%;}
  .article-actions{flex-direction:column;align-items:stretch;}
  .article-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;padding:36px 0 24px;}
  .footer-col p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .rcard:hover .rcard-media img{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-900:#05070F;
  --bg-800:#0A1020;
  --bg-700:#101A33;
  --brand-500:#2F7BFF;
  --brand-400:#5FA2FF;
  --accent-500:#FFC53D;
  --accent-600:#E8A100;
  --alert-500:#FF5A3C;
  --ok-500:#29D3A3;
  --text-1:#F2F6FF;
  --text-2:#B7C3DA;
  --text-3:#7C8AA5;
  --line:rgba(120,160,255,.16);
  --glass-hi:rgba(255,255,255,.08);
  --gold-line:rgba(255,197,61,.45);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:12px;
  --r-media:16px;
  --r-zone:24px;
  --sh-card:0 8px 24px rgba(3,8,20,.55);
  --sh-hover:0 18px 44px rgba(47,123,255,.22);
  --sh-glow:0 0 0 1px rgba(255,197,61,.45),0 8px 28px rgba(255,197,61,.30);
  --wrap:1200px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-400);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent-500)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}

.aura{position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 10% -8%, rgba(47,123,255,.18), transparent 66%),
    radial-gradient(560px 380px at 90% 2%, rgba(255,197,61,.10), transparent 70%);
}
.aura::after{content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(120,160,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,160,255,.055) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), transparent 68%);
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), transparent 68%);
}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;position:relative;z-index:2}
@media (min-width:1440px){.wrap{max-width:1280px}}
@media (max-width:575px){.wrap{padding:0 16px}}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent-500);color:#1A1405;padding:10px 16px;border-radius:0 0 12px 0;z-index:99}
.skip-link:focus{left:0}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,15,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(5,7,15,.92);box-shadow:0 10px 30px rgba(3,8,20,.6)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center}
.brand-text{font-size:19px;font-weight:700;color:var(--text-1);letter-spacing:.2px;white-space:nowrap}

.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:10px;white-space:nowrap;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;height:2px;width:calc(100% - 26px);
  background:linear-gradient(90deg,var(--accent-500),var(--accent-600));
  border-radius:2px;transform:translateX(-50%) scaleX(0);transform-origin:center;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-link.is-active{color:var(--text-1)}
.nav-link.is-active::after{transform:translateX(-50%) scaleX(1)}

.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text-2);font-size:14px;font-weight:500;cursor:pointer;
  transition:all .2s ease;
}
.mega-trigger:hover{color:var(--text-1);border-color:var(--gold-line)}
.mega-trigger .caret{font-size:11px;transition:transform .2s ease}
.mega-wrap.is-open .mega-trigger{color:var(--text-1);border-color:var(--gold-line)}
.mega-wrap.is-open .mega-trigger .caret{transform:rotate(180deg)}

.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:780px;max-width:calc(100vw - 40px);
  background:linear-gradient(180deg, rgba(16,26,51,.96), rgba(8,13,26,.96));
  border:1px solid var(--line);border-radius:var(--r-zone);
  box-shadow:var(--sh-card);padding:22px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.mega-col h4{font-size:14px;font-weight:600;color:var(--accent-500);margin-bottom:12px;letter-spacing:.4px}
.mega-item{
  display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:12px;
  color:var(--text-2);font-size:14px;transition:all .2s ease;
}
.mega-item i{color:var(--brand-500);font-size:14px;margin-top:5px;flex-shrink:0}
.mega-item b{display:block;color:var(--text-1);font-size:14px;font-weight:600;line-height:1.5}
.mega-item span span{display:block;font-size:12px;color:var(--text-3);line-height:1.6;margin-top:2px}
.mega-item:hover{background:rgba(255,255,255,.06);color:var(--text-1)}
.mega-item:hover i{color:var(--accent-500)}
.mega-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:14px;
}
.mega-foot img{width:96px;height:62px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.mega-foot-copy{flex:1}
.mega-foot-copy b{display:block;font-size:15px;font-weight:600;color:var(--text-1)}
.mega-foot-copy span{font-size:12px;color:var(--text-3)}
.mega-foot .fa-arrow-right{color:var(--accent-500)}

.nav-toggle{
  display:none;align-items:center;gap:8px;height:40px;padding:0 14px;
  border-radius:var(--r-btn);background:rgba(255,255,255,.04);
  border:1px solid var(--line);color:var(--text-1);font-size:14px;cursor:pointer;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;text-align:center;line-height:1;
}
.btn-gold{
  background:linear-gradient(180deg,#FFD469,#E8A100);
  color:#1A1405;border-color:rgba(255,197,61,.6);
  box-shadow:0 6px 18px rgba(232,161,0,.26);
}
.btn-gold:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-glow);color:#1A1405}
.btn-gold:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text-1);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--gold-line);color:var(--text-1);transform:translateY(-2px)}
.btn-lg{height:52px;padding:0 34px;font-size:16px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent-500);font-weight:600;font-size:14px}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover{color:var(--accent-500)}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 分类页头 ============ */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(5,7,15,.94) 0%, rgba(5,7,15,.82) 46%, rgba(5,7,15,.55) 100%);
}
.page-hero .wrap{padding-top:40px;padding-bottom:44px}

.crumb{display:flex;align-items:center;gap:8px;font-size:13px;height:40px;color:var(--text-3);margin-bottom:6px;flex-wrap:wrap}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--text-1)}
.crumb span{color:var(--accent-500)}
.crumb em{font-style:normal;color:var(--accent-500)}

.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);line-height:1.18;font-weight:800;letter-spacing:0;
  max-width:820px;margin-bottom:14px;
}
.page-hero .hero-sub{
  font-size:16px;color:var(--text-2);max-width:620px;line-height:1.85;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;letter-spacing:.4px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text-2);
}
.pill i{color:var(--accent-500);font-size:12px}
.pill.is-ok i{color:var(--ok-500)}
.pill.is-alert i{color:var(--alert-500)}

/* ============ 通用板块 ============ */
.section{padding:88px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head .tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.6px;color:var(--accent-500);
  padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--gold-line);
  background:rgba(255,197,61,.06);margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:15px;line-height:1.95}
.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-title-row h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}

/* ============ 概览双栏（非对称） ============ */
.overview-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.overview-copy p{color:var(--text-2);font-size:15px;line-height:1.95;margin-bottom:16px}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.85}
.check-list i{color:var(--ok-500);font-size:13px;margin-top:6px;flex-shrink:0}

.overview-panel{
  background:linear-gradient(180deg, rgba(16,26,51,.78), rgba(10,16,32,.62));
  border:1px solid var(--line);border-radius:var(--r-zone);
  padding:26px;box-shadow:var(--sh-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.overview-panel h3{font-size:18px;font-weight:600;margin-bottom:18px}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(120,160,255,.18);font-size:14px}
.panel-row:last-of-type{border-bottom:none}
.panel-row span{color:var(--text-3)}
.panel-row b{color:var(--text-1);font-weight:600}
.panel-row b.gold{color:var(--accent-500)}
.overview-panel .btn{margin-top:18px}

/* ============ 叙事流 ============ */
.story-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:48px 0}
.story-row + .story-row{border-top:1px solid var(--line)}
.story-row.reverse .story-media{order:2}
.story-media{
  position:relative;border-radius:var(--r-zone);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-card);
  aspect-ratio:16/11;background:var(--bg-700);
}
.story-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.story-media:hover img{transform:scale(1.03)}
.story-no{
  position:absolute;left:18px;top:14px;
  font-size:13px;font-weight:700;letter-spacing:1px;color:var(--accent-500);
  background:rgba(5,7,15,.7);border:1px solid var(--gold-line);
  border-radius:var(--r-pill);padding:4px 12px;
}
.story-copy h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;margin-bottom:14px}
.story-copy p{color:var(--text-2);font-size:15px;line-height:1.95;margin-bottom:14px}
.story-points{display:grid;gap:10px;margin-top:18px}
.story-points li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.8}
.story-points i{color:var(--brand-400);font-size:13px;margin-top:6px;flex-shrink:0}

/* ============ 数据条带 ============ */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--r-zone);
  background:linear-gradient(180deg, rgba(16,26,51,.8), rgba(8,13,26,.68));
  overflow:hidden;backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.stat-cell{padding:26px 22px;border-right:1px solid var(--line);text-align:left}
.stat-cell:last-child{border-right:none}
.stat-num{
  font-size:28px;font-weight:700;color:var(--accent-500);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.stat-label{display:block;font-size:12px;color:var(--text-3);letter-spacing:.5px;margin-top:8px}
.stat-desc{display:block;font-size:13px;color:var(--text-2);margin-top:6px;line-height:1.7}

/* ============ 准备清单卡 ============ */
.prep-card{
  height:100%;padding:24px;border-radius:var(--r-card);
  background:linear-gradient(180deg, rgba(16,26,51,.72), rgba(10,16,32,.6));
  border:1px solid var(--line);box-shadow:var(--sh-card);
  position:relative;overflow:hidden;transition:all .2s ease;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.prep-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg, var(--brand-500), var(--accent-500));
  opacity:.7;
}
.prep-card:hover{transform:translateY(-4px);border-color:var(--gold-line);box-shadow:var(--sh-hover)}
.prep-icon{
  width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(47,123,255,.12);border:1px solid var(--line);color:var(--brand-400);
  font-size:17px;margin-bottom:16px;
}
.prep-card h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px}
.prep-card p{font-size:14px;color:var(--text-2);line-height:1.85}

/* ============ CTA 条 ============ */
.cta-strip{padding:56px 0}
.strip-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:32px 34px;border-radius:var(--r-zone);
  background:linear-gradient(120deg, rgba(16,26,51,.9), rgba(8,13,26,.78));
  border:1px solid var(--gold-line);box-shadow:var(--sh-card);
  position:relative;overflow:hidden;
}
.strip-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  background:radial-gradient(circle, rgba(255,197,61,.16), transparent 66%);
  pointer-events:none;
}
.strip-copy h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin-bottom:10px;line-height:1.4}
.strip-copy p{font-size:14px;color:var(--text-2);line-height:1.85}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:linear-gradient(180deg, rgba(16,26,51,.74), rgba(10,16,32,.6));
  border:1px solid var(--line);border-radius:14px;margin-bottom:12px;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:var(--gold-line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  min-height:60px;padding:16px 20px 16px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text-1);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--accent-500);
  line-height:1;transition:transform .22s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--accent-500);border-radius:0 2px 2px 0;
}
.faq-body{
  padding:16px 20px 20px 22px;border-top:1px solid var(--line);
  font-size:15px;line-height:1.9;color:var(--text-2);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(8,13,26,.7), rgba(5,7,15,.96));
  padding:64px 0 0;position:relative;z-index:2;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.9}
.footer-col h4{font-size:14px;font-weight:600;color:var(--accent-500);letter-spacing:.4px;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{
  position:relative;font-size:14px;color:var(--text-2);padding-left:0;
  transition:all .2s ease;
}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--accent-500);transform:translateY(-50%) scale(0);transition:transform .2s ease;
}
.footer-links a:hover{color:var(--text-1);padding-left:12px}
.footer-links a:hover::before{transform:translateY(-50%) scale(1)}
.footer-contact{display:grid;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:13px;color:var(--text-2);line-height:1.75}
.footer-contact i{color:var(--brand-400);font-size:13px;margin-top:5px;flex-shrink:0}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:var(--text-3)}
.back-top{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--text-2);font-size:13px;cursor:pointer;
  transition:all .2s ease;
}
.back-top:hover{color:var(--text-1);border-color:var(--gold-line);background:rgba(255,255,255,.08)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .nav-wrap{height:56px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(6,10,22,.98);border-bottom:1px solid var(--line);
    padding:12px 16px 16px;
    backdrop-filter:blur(14px) saturate(140%);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    box-shadow:0 20px 40px rgba(3,8,20,.7);
  }
  body.nav-open .main-nav{display:flex}
  .nav-link{padding:12px 10px;border-radius:10px}
  .nav-link::after{left:10px;transform:none;width:0;bottom:6px}
  .nav-link:hover::after,.nav-link.is-active::after{transform:none;width:22px}
  .nav-right{gap:8px}
  .mega-panel{
    position:fixed;left:16px;right:16px;top:auto;width:auto;max-width:none;
    margin-top:8px;
  }
  .mega-grid{grid-template-columns:1fr 1fr}
  .nav-right .btn-gold{display:none}
  .overview-grid{grid-template-columns:1fr;gap:26px}
  .story-row{grid-template-columns:1fr;gap:26px;padding:40px 0}
  .story-row.reverse .story-media{order:0}
  .stat-band{grid-template-columns:1fr 1fr}
  .stat-cell:nth-child(2){border-right:none}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .section{padding:64px 0}
  .strip-inner{flex-direction:column;align-items:flex-start;padding:26px}
  .strip-inner .btn{width:100%}
}
@media (max-width:575px){
  .brand-text{font-size:17px}
  .page-hero h1{font-size:28px}
  .page-hero .hero-sub{font-size:15px}
  .mega-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .stat-band{grid-template-columns:1fr}
  .stat-cell{border-right:none;border-bottom:1px solid var(--line)}
  .stat-cell:last-child{border-bottom:none}
  .section{padding:48px 0}
  .btn{width:100%}
  .section-title-row .btn,.section-title-row .link-arrow{width:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .story-media:hover img{transform:none}
}

/* roulang page: category2 */
:root{
  --bg-900:#05070F;
  --bg-800:#0A1020;
  --bg-700:#101A33;
  --brand-500:#2F7BFF;
  --brand-400:#5FA2FF;
  --accent-500:#FFC53D;
  --accent-600:#E8A100;
  --alert-500:#FF5A3C;
  --ok-500:#29D3A3;
  --text-1:#F2F6FF;
  --text-2:#B7C3DA;
  --text-3:#7C8AA5;
  --line:rgba(120,160,255,.16);
  --glass:rgba(255,255,255,.08);
  --gold-line:rgba(255,197,61,.45);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:12px;
  --r-media:16px;
  --r-zone:24px;
  --sh-card:0 8px 24px rgba(3,8,20,.55);
  --sh-hover:0 18px 44px rgba(47,123,255,.22);
  --sh-glow:0 0 0 1px rgba(255,197,61,.45),0 8px 28px rgba(255,197,61,.30);
  --sec:88px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 12% -6%, rgba(47,123,255,.16), transparent 70%),
    radial-gradient(560px 380px at 88% 4%, rgba(255,197,61,.10), transparent 72%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(120,160,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(120,160,255,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),transparent 62%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),transparent 62%);
}
img{max-width:100%;display:block;}
a{color:var(--brand-400);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--text-1);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:2;
}
@media (min-width:1440px){
  .wrap{max-width:1280px;}
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(8,13,26,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(5,8,18,.92);
  box-shadow:0 10px 30px rgba(2,5,14,.6);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--text-1);
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  display:flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(160deg,rgba(255,197,61,.16),rgba(47,123,255,.14));
  border:1px solid var(--gold-line);
}
.brand-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:0;
  height:2px;
  background:var(--accent-500);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .22s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{width:60%;}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:all .2s ease;
}
.mega-trigger:hover{color:var(--text-1);border-color:var(--gold-line);background:rgba(255,255,255,.08);}
.mega-trigger .caret{font-size:11px;transition:transform .2s ease;color:var(--accent-500);}
.mega-trigger[aria-expanded="true"]{border-color:var(--gold-line);color:var(--text-1);}
.mega-trigger[aria-expanded="true"] .caret{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 12px);
  width:760px;
  max-width:calc(100vw - 40px);
  padding:22px;
  border-radius:var(--r-zone);
  background:rgba(10,16,32,.94);
  border:1px solid var(--line);
  box-shadow:0 26px 60px rgba(2,5,14,.68);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.mega-col h4{
  font-size:12px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--accent-500);
  margin-bottom:12px;
}
.mega-item{
  display:flex;
  gap:10px;
  padding:9px 10px;
  border-radius:12px;
  color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.mega-item:hover{background:rgba(255,255,255,.06);color:var(--text-1);}
.mega-item i{color:var(--brand-400);margin-top:4px;font-size:14px;}
.mega-item b{display:block;font-size:14px;font-weight:600;color:var(--text-1);}
.mega-item span span{display:block;font-size:12px;color:var(--text-3);line-height:1.7;}
.mega-entry{
  margin-top:18px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
}
.mega-entry:hover{border-color:var(--gold-line);color:var(--text-1);}
.mega-entry img{width:78px;height:52px;object-fit:cover;border-radius:10px;}
.mega-entry b{display:block;color:var(--text-1);font-size:14px;}
.mega-entry em{font-style:normal;font-size:12px;color:var(--text-3);}
.mega-entry .arrow{margin-left:auto;color:var(--accent-500);}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-1);
  font-size:16px;
  cursor:pointer;
}

/* ============ 按钮 ============ */
.btn-gold,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:all .2s ease;
  border:1px solid transparent;
  white-space:nowrap;
}
.btn-gold{
  color:#20160A;
  background:linear-gradient(180deg,#FFD971,var(--accent-600));
  box-shadow:var(--sh-glow);
}
.btn-gold:hover{
  color:#20160A;
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(255,197,61,.6),0 12px 34px rgba(255,197,61,.36);
}
.btn-gold:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--text-1);
  background:rgba(255,255,255,.05);
  border-color:var(--line);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  color:var(--text-1);
  background:rgba(255,255,255,.10);
  border-color:var(--gold-line);
  transform:translateY(-2px);
}
.btn-lg{height:52px;padding:0 32px;font-size:16px;}
.link-gold{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--accent-500);
}
.link-gold i{transition:transform .2s ease;}
.link-gold:hover{color:#FFD971;}
.link-gold:hover i{transform:translateX(4px);}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:14px 0 0;
  font-size:13px;
  color:var(--text-3);
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--text-1);}
.crumb-sep{color:var(--accent-500);}
.crumbs .current{color:var(--accent-500);}

/* ============ 分类页头 ============ */
.page-hero{
  position:relative;
  margin-top:16px;
  border-radius:var(--r-zone);
  overflow:hidden;
  border:1px solid var(--line);
  min-height:290px;
  display:flex;
  align-items:center;
  box-shadow:var(--sh-card);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(5,7,15,.94) 8%,rgba(10,16,32,.72) 58%,rgba(47,123,255,.16) 100%);
}
.page-hero-inner{
  position:relative;
  z-index:2;
  padding:44px 40px;
  max-width:760px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.5px;
  color:var(--accent-500);
  border:1px solid var(--gold-line);
  border-radius:var(--r-pill);
  background:rgba(255,197,61,.08);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.2;
  font-weight:800;
  margin-bottom:14px;
}
.page-hero p{
  font-size:16px;
  color:var(--text-2);
  line-height:1.9;
  max-width:620px;
}
.hero-actions{
  display:flex;
  gap:14px;
  margin-top:26px;
  flex-wrap:wrap;
}

/* ============ 通用板块 ============ */
.section{
  padding:var(--sec) 0;
  position:relative;
}
.section-plain{padding-top:calc(var(--sec) * .75);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.sec-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:700;
  position:relative;
  padding-left:16px;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--accent-500),var(--brand-500));
}
.sec-head p{
  font-size:14px;
  color:var(--text-3);
  margin-top:10px;
  padding-left:16px;
  max-width:640px;
}
.sec-line{
  height:1px;
  width:100%;
  background:linear-gradient(90deg,transparent,rgba(120,160,255,.28),transparent);
  margin:0 0 var(--sec);
}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  font-size:11px;
  font-weight:500;
  letter-spacing:.5px;
  border-radius:var(--r-pill);
  border:1px solid var(--gold-line);
  color:var(--accent-500);
  background:rgba(255,197,61,.07);
}
.badge-pill.blue{border-color:rgba(95,162,255,.45);color:var(--brand-400);background:rgba(47,123,255,.10);}
.badge-pill.orange{border-color:rgba(255,90,60,.45);color:var(--alert-500);background:rgba(255,90,60,.08);}
.badge-pill.green{border-color:rgba(41,211,163,.42);color:var(--ok-500);background:rgba(41,211,163,.08);}

/* ============ 数据条带 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-radius:var(--r-zone);
  border:1px solid var(--line);
  background:rgba(16,26,51,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  box-shadow:var(--sh-card);
}
.stat{
  padding:26px 24px;
  border-right:1px solid var(--line);
  position:relative;
}
.stat:last-child{border-right:none;}
.stat::before{
  content:"";
  position:absolute;
  left:24px;
  top:0;
  width:44px;
  height:2px;
  background:linear-gradient(90deg,var(--accent-500),var(--brand-500));
}
.stat-num{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:700;
  color:var(--accent-500);
  line-height:1.2;
  letter-spacing:-.5px;
}
.stat-num small{font-size:14px;color:var(--text-2);margin-left:4px;font-weight:500;}
.stat-label{
  margin-top:8px;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.5px;
}

/* ============ 非对称卡片墙 ============ */
.wall{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:24px;
  align-items:stretch;
}
.wall-card{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(16,26,51,.5);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.wall-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--accent-500),rgba(47,123,255,.7),transparent);
}
.wall-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,197,61,.3);
  box-shadow:var(--sh-hover);
}
.wall-feature{padding:0;}
.wall-feature .wall-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.wall-feature .wall-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.wall-card:hover .wall-media img{transform:scale(1.04);}
.wall-feature .wall-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,0) 30%,rgba(5,7,15,.78) 100%);
}
.wall-media .badge-pill{
  position:absolute;
  left:18px;
  top:18px;
  z-index:2;
  background:rgba(5,7,15,.72);
}
.wall-body{
  padding:22px 24px 26px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1 1 auto;
}
.wall-body h3{
  font-size:20px;
  line-height:1.45;
  font-weight:600;
}
.wall-body p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
}
.wall-feature .wall-body{padding:24px 26px 28px;}
.wall-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:var(--text-3);
  margin-top:auto;
  padding-top:10px;
  border-top:1px solid var(--line);
}
.wall-side{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.wall-side .wall-card{
  padding:20px;
  gap:10px;
  justify-content:flex-start;
}
.wall-icon{
  width:40px;
  height:40px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  color:var(--accent-500);
  background:rgba(255,197,61,.10);
  border:1px solid var(--gold-line);
  margin-bottom:4px;
}
.wall-side h3{
  font-size:17px;
  line-height:1.5;
  font-weight:600;
}
.wall-side p{
  font-size:13.5px;
  line-height:1.8;
  color:var(--text-2);
}
.wall-side .link-gold{margin-top:auto;font-size:13px;}

/* ============ 流程 ============ */
.flow{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.flow-item{
  padding:26px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(10,16,32,.5);
  transition:border-color .2s ease,transform .2s ease;
}
.flow-item:hover{border-color:rgba(255,197,61,.3);transform:translateY(-4px);}
.flow-num{
  font-family:var(--mono);
  font-size:44px;
  font-weight:700;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px var(--accent-500);
  margin-bottom:16px;
}
.flow-item h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
}
.flow-item p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
}

/* ============ 须知 + 名额 ============ */
.notice-grid{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:24px;
  align-items:start;
}
.notice-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.notice-item{
  display:flex;
  gap:14px;
  padding:18px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(16,26,51,.42);
  transition:border-color .2s ease,background .2s ease;
}
.notice-item:hover{border-color:rgba(255,197,61,.28);background:rgba(16,26,51,.6);}
.notice-item i{
  flex:0 0 34px;
  width:34px;
  height:34px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  color:var(--brand-400);
  background:rgba(47,123,255,.12);
  border:1px solid rgba(95,162,255,.3);
}
.notice-item h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.notice-item p{font-size:13.5px;line-height:1.8;color:var(--text-2);}
.quota-panel{
  padding:26px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--gold-line);
  background:linear-gradient(160deg,rgba(255,197,61,.09),rgba(16,26,51,.66));
  position:sticky;
  top:96px;
}
.quota-panel h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.quota-panel .quota-note{font-size:13px;color:var(--text-2);line-height:1.8;margin-bottom:18px;}
.quota-row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:8px;
}
.quota-row b{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:20px;
  color:var(--accent-500);
}
.quota-bar{
  height:8px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  overflow:hidden;
  margin-bottom:20px;
}
.quota-fill{
  height:100%;
  width:76%;
  border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--alert-500),var(--accent-500));
}
.quota-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:22px;
}
.quota-list li{
  display:flex;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  line-height:1.75;
}
.quota-list li i{color:var(--ok-500);margin-top:5px;font-size:12px;}
.quota-panel .btn-gold{width:100%;}

/* ============ CTA 条 ============ */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:32px 34px;
  border-radius:var(--r-zone);
  border:1px solid var(--line);
  background:linear-gradient(100deg,rgba(47,123,255,.16),rgba(16,26,51,.7) 48%,rgba(255,197,61,.12));
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  line-height:1.4;
  margin-bottom:8px;
}
.cta-band p{
  font-size:14px;
  color:var(--text-2);
}

/* ============ FAQ ============ */
.faq{
  max-width:860px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(16,26,51,.45);
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:rgba(255,197,61,.28);}
.faq-item.is-open{border-color:var(--gold-line);background:rgba(16,26,51,.68);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:62px;
  padding:14px 20px;
  background:transparent;
  border:none;
  color:var(--text-1);
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--accent-500);
  opacity:0;
  transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q i{
  color:var(--accent-500);
  font-size:15px;
  transition:transform .22s ease;
  flex-shrink:0;
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
  border-top:1px solid var(--line);
  padding-top:16px;
  margin:0 20px 20px;
  padding-left:0;
  padding-right:0;
}
.faq-item.is-open .faq-a{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:var(--sec);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,32,.6),rgba(5,7,15,.95));
  padding-top:56px;
  z-index:2;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-col p{
  font-size:14px;
  line-height:1.9;
  color:var(--text-2);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--accent-500);
  margin-bottom:16px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  position:relative;
  font-size:14px;
  color:var(--text-2);
  padding-left:0;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--accent-500);
  transform:translateY(-50%) scale(0);
  transition:transform .2s ease;
}
.footer-links a:hover{color:var(--text-1);padding-left:12px;}
.footer-links a:hover::before{transform:translateY(-50%) scale(1);}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.8;
}
.footer-contact li i{
  color:var(--brand-400);
  margin-top:5px;
  font-size:13px;
  flex-shrink:0;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  flex-wrap:wrap;
}
.back-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 16px;
  font-size:13px;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:all .2s ease;
}
.back-top:hover{color:var(--text-1);border-color:var(--gold-line);background:rgba(255,255,255,.1);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .mega-panel{width:640px;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .nav-wrap{min-height:60px;}
  .main-nav{
    display:none;
    position:absolute;
    left:20px;
    right:20px;
    top:calc(100% + 10px);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:16px;
    border-radius:var(--r-zone);
    background:rgba(10,16,32,.97);
    border:1px solid var(--line);
    box-shadow:0 24px 50px rgba(2,5,14,.6);
    margin-left:0;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{height:44px;padding:0 14px;border-radius:12px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:rgba(255,197,61,.10);border-left:3px solid var(--accent-500);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .mega-panel{
    position:static;
    width:100%;
    max-width:none;
    margin-top:12px;
    opacity:1;
    visibility:visible;
    transform:none;
    display:none;
  }
  .mega-panel.is-open{display:block;}
  .mega-grid{grid-template-columns:1fr 1fr;}
  .wall{grid-template-columns:1fr;}
  .wall-side{grid-template-columns:1fr 1fr;}
  .notice-grid{grid-template-columns:1fr;}
  .quota-panel{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .flow{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .brand-text{font-size:16px;}
  .page-hero-inner{padding:32px 22px;}
  .section{padding:var(--sec) 0;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat{border-right:none;border-bottom:1px solid var(--line);padding:20px;}
  .stat:nth-child(odd){border-right:1px solid var(--line);}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:none;}
  .stat-num{font-size:24px;}
  .flow{grid-template-columns:1fr;}
  .flow-num{font-size:36px;}
  .wall-side{grid-template-columns:1fr;}
  .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%;}
  .cta-band{padding:24px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band .btn-gold{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .back-top{width:100%;justify-content:center;}
  body{font-size:15px;line-height:1.9;}
  .faq-q{font-size:15px;min-height:56px;padding:12px 16px;}
  .faq-a{margin:0 16px 16px;padding-top:14px;font-size:14.5px;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .mega-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .stat{border-right:none !important;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:none;}
  .page-hero{min-height:240px;}
  .wall-feature .wall-body{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .wall-card:hover{transform:none;}
  .wall-card:hover .wall-media img{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg-900:#05070F;--bg-800:#0A1020;--bg-700:#101A33;
  --brand-500:#2F7BFF;--brand-400:#5FA2FF;
  --accent-500:#FFC53D;--accent-600:#E8A100;
  --alert-500:#FF5A3C;--ok-500:#29D3A3;
  --text-1:#F2F6FF;--text-2:#B7C3DA;--text-3:#7C8AA5;
  --line:rgba(120,160,255,.16);
  --gold-line:rgba(255,197,61,.45);
  --r-card:18px;--r-btn:12px;--r-pill:999px;--r-input:12px;--r-media:16px;--r-zone:24px;
  --sh-card:0 8px 24px rgba(3,8,20,.55);
  --sh-hover:0 18px 44px rgba(47,123,255,.22);
  --sh-glow:0 0 0 1px rgba(255,197,61,.45),0 8px 28px rgba(255,197,61,.30);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg-900);color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:15.5px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(620px 420px at 12% 6%,rgba(47,123,255,.18),transparent 70%),
    radial-gradient(520px 380px at 88% 24%,rgba(255,197,61,.13),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.35;
  background-image:linear-gradient(rgba(120,160,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,160,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 62%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 62%);
}
img{max-width:100%;display:block}
a{color:var(--brand-400);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent-500)}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
@media (min-width:1440px){.wrap{max-width:1280px}}
@media (max-width:575px){.wrap{padding:0 16px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;height:68px;display:flex;align-items:center;
  background:rgba(10,16,32,.72);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);transition:background .25s,box-shadow .25s;
}
.site-header.is-scrolled{background:rgba(5,7,15,.92);box-shadow:0 12px 32px rgba(0,0,0,.5)}
.nav-wrap{display:flex;align-items:center;gap:20px;width:100%}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;flex:0 0 36px}
.brand-text{font-size:19px;font-weight:800;color:var(--text-1);letter-spacing:.5px;white-space:nowrap}
.brand:hover .brand-text{color:var(--accent-500)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;padding:9px 12px;font-size:15px;font-weight:500;color:var(--text-2);border-radius:8px;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:3px;width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent-500),var(--accent-600));
  transform:translateX(-50%);transition:width .22s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:58%}
.nav-link.is-active{color:var(--text-1)}
.nav-link.is-active::after{width:58%}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);
  font-size:14px;font-weight:500;cursor:pointer;transition:.2s;
}
.mega-trigger:hover{color:var(--text-1);border-color:var(--gold-line);background:rgba(255,255,255,.08)}
.mega-trigger .caret{font-size:11px;color:var(--accent-500);transition:transform .2s}
.mega-wrap.is-open .mega-trigger{border-color:var(--gold-line);color:var(--text-1)}
.mega-wrap.is-open .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:790px;padding:20px;border-radius:var(--r-zone);
  background:rgba(10,16,32,.94);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);box-shadow:0 24px 60px rgba(3,8,20,.7);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mega-col h4{font-size:12.5px;font-weight:600;color:var(--accent-500);letter-spacing:.6px;margin-bottom:10px}
.mega-item{display:flex;gap:10px;padding:9px 10px;border-radius:12px;color:var(--text-2);font-size:14px}
.mega-item:hover{background:rgba(255,255,255,.06);color:var(--text-1)}
.mega-item i{color:var(--brand-400);font-size:14px;margin-top:3px;flex:0 0 auto}
.mega-item b{display:block;font-size:14px;font-weight:600;color:var(--text-1);line-height:1.4}
.mega-item span span{display:block;font-size:12.5px;color:var(--text-3);line-height:1.6;margin-top:2px}
.mega-feature{
  margin-top:16px;padding:14px;border-radius:14px;display:flex;align-items:center;gap:14px;
  background:linear-gradient(90deg,rgba(47,123,255,.16),rgba(255,197,61,.10));
  border:1px solid var(--line);
}
.mega-feature img{width:84px;height:56px;object-fit:cover;border-radius:10px;flex:0 0 84px}
.mega-feature b{display:block;color:var(--text-1);font-size:14.5px;font-weight:600}
.mega-feature span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px}
.mega-feature .arrow{margin-left:auto;color:var(--accent-500);font-size:14px}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;color:#1A1205;text-decoration:none;
  background:linear-gradient(180deg,#FFD978,#FFC53D 46%,#E8A100);
  border:1px solid rgba(255,197,61,.55);box-shadow:var(--sh-glow);transition:.2s;
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-2px);color:#1A1205}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--text-1);font-size:16px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--gold-line)}

/* ---------- buttons ---------- */
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;
  border-radius:var(--r-btn);font-size:15.5px;font-weight:600;color:#1A1205;text-decoration:none;
  background:linear-gradient(180deg,#FFD978,#FFC53D 46%,#E8A100);
  border:1px solid rgba(255,197,61,.55);box-shadow:var(--sh-glow);cursor:pointer;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.btn-gold:hover{filter:brightness(1.06);transform:translateY(-2px);color:#1A1205;box-shadow:0 0 0 1px rgba(255,197,61,.6),0 12px 34px rgba(255,197,61,.34)}
.btn-gold:active{transform:translateY(0)}
.btn-gold.lg{height:52px;padding:0 32px;font-size:16px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--r-btn);font-size:15.5px;font-weight:600;color:var(--text-1);text-decoration:none;
  background:rgba(255,255,255,.04);border:1px solid var(--line);backdrop-filter:blur(10px);
  transition:.2s;
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--gold-line);color:var(--text-1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.link-gold{display:inline-flex;align-items:center;gap:6px;color:var(--accent-500);font-weight:600;font-size:14.5px}
.link-gold i{transition:transform .2s}
.link-gold:hover i{transform:translateX(4px)}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:26px 0 70px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,7,15,.95) 0%,rgba(5,7,15,.82) 46%,rgba(5,7,15,.55) 100%);
}
.page-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:26px;flex-wrap:wrap}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--text-1)}
.crumb .sep{color:var(--accent-500);font-weight:700}
.crumb .cur{color:var(--accent-500)}
.hero-inner{max-width:720px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;letter-spacing:.5px;color:var(--accent-500);
  background:rgba(255,197,61,.08);border:1px solid var(--gold-line);margin-bottom:18px;
}
.page-hero h1{font-size:clamp(30px,4.4vw,46px);line-height:1.2;font-weight:800;letter-spacing:.5px}
.page-hero .sub{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text-2);max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:500;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);backdrop-filter:blur(10px);
}
.pill i{font-size:12px;color:var(--brand-400)}
.pill.gold{color:var(--accent-500);border-color:var(--gold-line);background:rgba(255,197,61,.07)}
.pill.gold i{color:var(--accent-500)}
.pill.ok{color:var(--ok-500);border-color:rgba(41,211,163,.35);background:rgba(41,211,163,.07)}
.pill.ok i{color:var(--ok-500)}

/* ---------- sections ---------- */
section.block{padding:88px 0;position:relative}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.6px;
  color:var(--accent-500);font-weight:600;margin-bottom:12px;
}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent-500),transparent)}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
.sec-head p{margin-top:14px;font-size:15.5px;color:var(--text-2);line-height:1.9}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}

/* ---------- timeline ---------- */
.tl{position:relative;max-width:900px;margin:0 auto;padding:8px 0 0}
.tl::before{
  content:"";position:absolute;left:25px;top:14px;bottom:22px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(255,197,61,.85),rgba(47,123,255,.5) 45%,rgba(47,123,255,.05));
}
.tl-item{position:relative;display:flex;gap:24px;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:relative;z-index:1;flex:0 0 52px;width:52px;height:52px;border-radius:50%;
  display:grid;place-items:center;font-family:var(--mono);font-size:16px;font-weight:700;
  color:var(--accent-500);background:rgba(10,16,32,.92);
  border:2px solid rgba(255,197,61,.55);box-shadow:0 0 0 6px rgba(255,197,61,.05);
}
.tl-item.is-done .tl-node{color:var(--ok-500);border-color:rgba(41,211,163,.55);box-shadow:0 0 0 6px rgba(41,211,163,.05)}
.tl-body{
  flex:1;padding:20px 22px;border-radius:var(--r-card);background:rgba(16,26,51,.55);
  border:1px solid var(--line);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tl-body:hover{transform:translateY(-4px);border-color:rgba(255,197,61,.32);box-shadow:var(--sh-hover)}
.tl-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.tl-body h3{font-size:19px;line-height:1.45}
.tl-body p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--text-2)}
.tl-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:14px;padding-top:14px;border-top:1px solid rgba(120,160,255,.12)}
.tl-meta li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.tl-meta i{color:var(--brand-400);font-size:12.5px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);
  font-size:11.5px;font-weight:600;letter-spacing:.4px;
}
.badge.gold{color:var(--accent-500);background:rgba(255,197,61,.1);border:1px solid var(--gold-line)}
.badge.alert{color:var(--alert-500);background:rgba(255,90,60,.1);border:1px solid rgba(255,90,60,.45)}
.badge.ok{color:var(--ok-500);background:rgba(41,211,163,.1);border:1px solid rgba(41,211,163,.4)}
.badge.blue{color:var(--brand-400);background:rgba(47,123,255,.12);border:1px solid rgba(47,123,255,.4)}

/* ---------- rank table ---------- */
.toolbar{
  display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;padding:18px 20px;margin-bottom:22px;
  border-radius:var(--r-card);background:rgba(16,26,51,.5);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.field{display:flex;flex-direction:column;gap:8px;flex:1 1 200px;min-width:170px}
.field label{font-size:13px;color:var(--text-2);font-weight:500}
.field input,.field select{
  height:46px;padding:0 14px;border-radius:var(--r-input);font-size:14.5px;width:100%;
  background:rgba(5,7,15,.6);border:1px solid var(--line);color:var(--text-1);
  transition:border-color .2s,box-shadow .2s;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--accent-500) 50%),linear-gradient(135deg,var(--accent-500) 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::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{outline:none;border-color:var(--gold-line);box-shadow:0 0 0 3px rgba(255,197,61,.14)}
.toolbar .btn-gold{flex:0 0 auto;height:46px}
.table-card{
  border-radius:var(--r-zone);background:rgba(10,16,32,.6);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.rank-table{width:100%;border-collapse:collapse;min-width:660px}
table.rank-table thead th{
  padding:15px 18px;font-size:12.5px;font-weight:600;letter-spacing:.5px;color:var(--text-3);
  text-align:left;white-space:nowrap;border-bottom:1px solid var(--line);background:rgba(5,7,15,.5);
}
table.rank-table tbody td{padding:16px 18px;font-size:14.5px;color:var(--text-2);border-bottom:1px solid rgba(120,160,255,.08);white-space:nowrap}
table.rank-table tbody tr:nth-child(odd){background:rgba(255,255,255,.028)}
table.rank-table tbody tr:hover{background:rgba(47,123,255,.09)}
table.rank-table tbody tr:last-child td{border-bottom:none}
.rk-no{font-family:var(--mono);font-weight:700;color:var(--accent-500)}
.rk-team{color:var(--text-1);font-weight:600}
.rk-num{font-variant-numeric:tabular-nums}
.rk-pts{font-family:var(--mono);font-weight:700;color:var(--accent-500);font-variant-numeric:tabular-nums}
.rk-delta{font-size:12.5px;color:var(--text-3)}
.table-note{padding:14px 18px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);background:rgba(5,7,15,.45)}

/* ---------- rule cards ---------- */
.glass-card{
  border-radius:var(--r-card);background:rgba(16,26,51,.55);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);padding:26px;position:relative;overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.glass-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(47,123,255,.9),rgba(255,197,61,.65),transparent);
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(255,197,61,.32);box-shadow:var(--sh-hover)}
.glass-card h3{font-size:19px;line-height:1.45}
.glass-card p{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--text-2)}
.glass-card .num{font-family:var(--mono);font-size:34px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px rgba(255,197,61,.7);line-height:1;margin-bottom:14px}
.stack{display:grid;gap:24px}
.icon-line{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--brand-400);font-size:17px}

/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:5fr 6fr;gap:48px;align-items:center}
.split.rev .split-media{order:2}
.split-media{position:relative;border-radius:var(--r-zone);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,15,0),rgba(5,7,15,.55))}
.split-body h2{font-size:clamp(23px,2.8vw,32px);line-height:1.32}
.split-body p{margin-top:16px;font-size:15.5px;line-height:1.9;color:var(--text-2)}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;font-size:14.5px;color:var(--text-2);line-height:1.8}
.check-list i{color:var(--accent-500);font-size:13px;margin-top:6px}

/* ---------- stats strip ---------- */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-radius:var(--r-card);
  background:rgba(16,26,51,.55);border:1px solid var(--line);overflow:hidden;
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.stat{padding:22px 20px;border-right:1px solid var(--line);text-align:center}
.stat:last-child{border-right:none}
.stat b{display:block;font-family:var(--mono);font-size:28px;font-weight:800;color:var(--accent-500);font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:6px;font-size:12px;color:var(--text-3);letter-spacing:.5px}

/* ---------- cta band ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:30px 34px;border-radius:var(--r-zone);
  background:linear-gradient(100deg,rgba(47,123,255,.16),rgba(255,197,61,.10)),rgba(16,26,51,.6);
  border:1px solid var(--gold-line);box-shadow:var(--sh-glow);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35}
.cta-band p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:620px}
.cta-band .btn-gold{flex:0 0 auto}

/* ---------- faq ---------- */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  border-radius:14px;background:rgba(16,26,51,.55);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:19px 22px;font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent-500);font-size:20px;line-height:1;flex:0 0 auto}
.faq-item[open] summary::after{content:"–"}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--accent-500);
}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--text-2);border-top:1px solid rgba(120,160,255,.12);padding-top:16px;margin:0 22px 20px;padding-left:0;padding-right:0}

/* ---------- footer ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:20px;border-top:1px solid var(--line);
  background:rgba(5,7,15,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding:56px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.85;color:var(--text-3);max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--accent-500);margin-bottom:16px;letter-spacing:.5px}
.footer-links{display:grid;gap:11px}
.footer-links a{position:relative;font-size:14px;color:var(--text-2);padding-left:0;transition:padding-left .2s,color .2s}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:5px;border-radius:50%;
  background:var(--accent-500);transform:translateY(-50%);opacity:0;transition:width .2s,opacity .2s;
}
.footer-links a:hover{color:var(--text-1);padding-left:12px}
.footer-links a:hover::before{width:5px;opacity:1}
.footer-contact{display:grid;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-3);line-height:1.75}
.footer-contact i{color:var(--brand-400);font-size:13px;margin-top:5px;flex:0 0 auto}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0 26px;border-top:1px solid rgba(120,160,255,.12);font-size:13px;color:var(--text-3);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);
  font-size:13px;cursor:pointer;transition:.2s;
}
.back-top:hover{color:var(--text-1);border-color:var(--gold-line);transform:translateY(-2px)}
.back-top i{color:var(--accent-500)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .mega-panel{width:700px}
  .split{gap:36px}
}
@media (max-width:991px){
  section.block{padding:64px 0}
  .main-nav{
    display:none;position:fixed;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:2px;padding:14px 20px 22px;background:rgba(10,16,32,.97);
    border-bottom:1px solid var(--line);box-shadow:0 24px 50px rgba(0,0,0,.6);
    max-height:calc(100vh - 68px);overflow-y:auto;margin-left:0;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:13px 10px;font-size:15.5px;border-radius:10px}
  .nav-link::after{display:none}
  .nav-link.is-active{background:rgba(255,197,61,.08);color:var(--accent-500)}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta{height:38px;padding:0 14px;font-size:14px}
  .mega-panel{
    position:fixed;top:68px;left:0;right:0;width:100%;max-height:76vh;overflow-y:auto;
    border-radius:0 0 var(--r-zone) var(--r-zone);transform:translateY(0);padding:18px;
  }
  .mega-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .split.rev .split-media{order:0}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
  .footer-col p{max-width:none}
}
@media (max-width:767px){
  .page-hero{padding:22px 0 52px}
  body::after{background-size:44px 44px}
  .tl{gap:0}
  .tl::before{left:15px}
  .tl-item{gap:14px;padding-bottom:26px}
  .tl-node{flex:0 0 32px;width:32px;height:32px;font-size:12.5px;border-width:2px;box-shadow:0 0 0 4px rgba(255,197,61,.05)}
  .tl-body{padding:16px 16px}
  .tl-body h3{font-size:17px}
  .tl-meta{gap:12px}
  .cta-band{flex-direction:column;align-items:stretch;padding:24px 20px;text-align:left}
  .cta-band .btn-gold{width:100%}
  .btn-gold.lg,.btn-ghost{width:100%}
  .hero-actions{display:grid;gap:12px}
  .mega-grid{grid-template-columns:1fr}
  .brand-text{font-size:16.5px}
  .glass-card{padding:20px}
  .toolbar .btn-gold{width:100%}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-body{margin:0 18px 18px;font-size:14.5px}
}
@media (max-width:575px){
  .stats-strip{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-text{font-size:15px}
  .nav-cta{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --bg-900:#05070F;
  --bg-800:#0A1020;
  --bg-700:#101A33;
  --brand-500:#2F7BFF;
  --brand-400:#5FA2FF;
  --accent-500:#FFC53D;
  --accent-600:#E8A100;
  --alert-500:#FF5A3C;
  --ok-500:#29D3A3;
  --text-1:#F2F6FF;
  --text-2:#B7C3DA;
  --text-3:#7C8AA5;
  --line:rgba(120,160,255,.16);
  --line-gold:rgba(255,197,61,.45);
  --glass:rgba(255,255,255,.08);
  --paper:rgba(16,26,51,.62);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:12px;
  --r-media:16px;
  --r-zone:24px;
  --sh-card:0 8px 24px rgba(3,8,20,.55);
  --sh-hover:0 18px 44px rgba(47,123,255,.22);
  --sh-glow:0 0 0 1px rgba(255,197,61,.45),0 8px 28px rgba(255,197,61,.30);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background-color:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(680px 420px at 12% -8%, rgba(47,123,255,.18), transparent 62%),
    radial-gradient(560px 400px at 92% 2%, rgba(255,197,61,.14), transparent 64%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.4;
  background-image:
    linear-gradient(rgba(120,160,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,160,255,.07) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(to bottom,#000 0,transparent 68%);
  mask-image:linear-gradient(to bottom,#000 0,transparent 68%);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--accent-500);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#FFD873;}
h1,h2,h3,h4,h5{margin:0;color:var(--text-1);font-weight:700;letter-spacing:0;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 16px;padding-left:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--accent-500);
  outline-offset:2px;
  border-radius:6px;
}
::selection{background:rgba(255,197,61,.28);color:#fff;}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:1;
}
@media (min-width:1440px){
  .wrap{max-width:1280px;}
}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(10,16,32,.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,22,.92);
  box-shadow:0 10px 30px rgba(3,8,20,.6);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:22px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:rgba(255,197,61,.08);
  border:1px solid var(--line-gold);
}
.brand-text{
  font-size:19px;
  font-weight:700;
  color:var(--text-1);
  white-space:nowrap;
}
.brand:hover .brand-text{color:#fff;}

.main-nav{
  display:flex;
  align-items:center;
  gap:22px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 2px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent-500),rgba(255,197,61,.25));
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}

.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 16px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.mega-trigger .caret{font-size:11px;transition:transform .2s ease;color:var(--accent-500);}
.mega-trigger:hover{color:var(--text-1);border-color:var(--line-gold);background:rgba(255,197,61,.07);}
.mega-wrap.is-open .mega-trigger{border-color:var(--line-gold);color:var(--text-1);}
.mega-wrap.is-open .caret{transform:rotate(180deg);}

.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:780px;
  padding:24px;
  border-radius:20px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,26,51,.96),rgba(8,13,28,.96));
  box-shadow:0 24px 60px rgba(3,8,20,.7);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.mega-wrap:hover .mega-panel,
.mega-wrap.is-open .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.mega-col h4{
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--accent-500);
  margin-bottom:12px;
}
.mega-col--nav{display:none;}
.mega-item{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:9px 10px;
  border-radius:12px;
  color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.mega-item i{
  font-size:15px;
  color:var(--brand-400);
  margin-top:3px;
  flex:0 0 auto;
}
.mega-item b{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text-1);
}
.mega-item span span{
  display:block;
  font-size:12px;
  line-height:1.6;
  color:var(--text-3);
}
.mega-item:hover{background:rgba(255,255,255,.06);color:var(--text-1);}
.mega-card{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:18px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:border-color .2s ease,transform .2s ease;
}
.mega-card img{width:64px;height:44px;object-fit:cover;border-radius:10px;}
.mega-card b{display:block;font-size:14px;color:var(--text-1);}
.mega-card span{font-size:12px;color:var(--text-3);}
.mega-card .fa-arrow-right{margin-left:auto;color:var(--accent-500);transition:transform .2s ease;}
.mega-card:hover{border-color:var(--line-gold);transform:translateY(-2px);}
.mega-card:hover .fa-arrow-right{transform:translateX(4px);}

/* ============ page head ============ */
.page-head{
  position:relative;
  padding:60px 0 56px;
  min-height:300px;
  display:flex;
  align-items:center;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(5,7,15,.92) 0%,rgba(5,7,15,.84) 48%,rgba(10,16,32,.7) 100%);
}
.page-head::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,197,61,.5),transparent);
}
.page-head .wrap{position:relative;z-index:2;}
.page-head-inner{max-width:720px;}

.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  margin-bottom:22px;
  color:var(--text-3);
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--text-1);}
.crumb .sep{color:var(--accent-500);}
.crumb .current{color:var(--accent-500);}

.page-head h1{
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.2;
  font-weight:800;
  margin-bottom:16px;
}
.page-head .lead{
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  max-width:600px;
  margin-bottom:22px;
}
.head-badges{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.head-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  font-size:12.5px;
  color:var(--text-2);
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.head-badge i{color:var(--accent-500);font-size:13px;}

/* ============ sections ============ */
.section{padding:88px 0;position:relative;z-index:1;}
.section--tight{padding:64px 0;}

.section-head{
  max-width:760px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:700;
  margin-bottom:12px;
}
.section-head h2::before{
  content:"";
  display:block;
  width:56px;
  height:3px;
  border-radius:3px;
  margin-bottom:18px;
  background:linear-gradient(90deg,var(--accent-500),rgba(47,123,255,.5));
}
.section-head p{font-size:15px;line-height:1.85;color:var(--text-2);}

/* ============ 图文对照 ============ */
.rules-layout{
  display:grid;
  grid-template-columns:minmax(280px,340px) minmax(0,1fr);
  gap:24px;
  align-items:start;
}
.rule-list{
  padding:12px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--paper);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
}
.rule-list h3{
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--text-3);
  padding:8px 12px 12px;
}
.rule-item{
  display:flex;
  align-items:center;
  gap:12px;
  width:100%;
  padding:13px 14px;
  margin-bottom:6px;
  text-align:left;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  background:transparent;
  border:1px solid transparent;
  border-radius:14px;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.rule-item:last-child{margin-bottom:0;}
.rule-item .num{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  font-size:12.5px;
  font-variant-numeric:tabular-nums;
  color:var(--accent-500);
  border:1px solid rgba(255,197,61,.35);
  border-radius:50%;
}
.rule-item:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.rule-item.is-active{
  color:var(--text-1);
  background:rgba(255,197,61,.07);
  border-color:var(--line-gold);
}
.rule-item.is-active .num{
  background:rgba(255,197,61,.16);
  border-color:var(--line-gold);
}

.rule-panel-box{
  padding:30px 32px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,26,51,.9),rgba(8,13,28,.86));
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
  min-height:380px;
  position:relative;
  overflow:hidden;
}
.rule-panel-box::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--accent-500),rgba(47,123,255,.4),transparent);
}
.rule-panel{display:none;}
.rule-panel.is-active{display:block;animation:fadeUp .28s ease both;}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(10px);}
  to{opacity:1;transform:translateY(0);}
}
.rule-panel .tagline{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.5px;
  color:var(--accent-500);
  border:1px solid rgba(255,197,61,.35);
  border-radius:var(--r-pill);
  padding:5px 12px;
  margin-bottom:16px;
}
.rule-panel h3{
  font-size:20px;
  line-height:1.45;
  font-weight:600;
  margin-bottom:14px;
}
.rule-panel .panel-text{
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
  margin-bottom:18px;
  max-width:720px;
}
.rule-points{
  list-style:none;
  padding:0;
  margin:0 0 22px;
}
.rule-points li{
  position:relative;
  padding-left:20px;
  margin-bottom:9px;
  font-size:14.5px;
  line-height:1.9;
  color:var(--text-2);
}
.rule-points li::before{
  content:"";
  position:absolute;
  left:3px;
  top:.78em;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent-500);
  box-shadow:0 0 8px rgba(255,197,61,.6);
}
.rule-points li:last-child{margin-bottom:0;}
.panel-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--accent-500);
}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(4px);}
.panel-meta{
  font-size:12.5px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

/* ============ 数据条带 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--line);
  box-shadow:var(--sh-card);
}
.stat{
  padding:26px 20px;
  background:linear-gradient(180deg,rgba(16,26,51,.92),rgba(8,13,28,.92));
  text-align:center;
}
.stat b{
  display:block;
  font-size:30px;
  font-weight:700;
  line-height:1.2;
  color:var(--accent-500);
  font-variant-numeric:tabular-nums;
  margin-bottom:8px;
}
.stat span{
  display:block;
  font-size:12.5px;
  letter-spacing:.4px;
  color:var(--text-3);
}

/* ============ 图文块 ============ */
.media-block{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:40px;
  align-items:center;
}
.media-figure{
  position:relative;
  border-radius:var(--r-media);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
}
.media-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .4s ease;
}
.media-figure:hover img{transform:scale(1.04);}
.media-figure .fig-badge{
  position:absolute;
  left:16px;
  bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  font-size:12px;
  color:#0B1220;
  font-weight:600;
  border-radius:var(--r-pill);
  background:linear-gradient(180deg,#FFD873,var(--accent-500));
}
.media-text h3{
  font-size:20px;
  line-height:1.45;
  font-weight:600;
  margin-bottom:14px;
}
.media-text p{
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}
.media-text .rule-points{margin-top:6px;}

/* ============ CTA 条 ============ */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:34px 40px;
  min-height:140px;
  border-radius:var(--r-zone);
  border:1px solid var(--line);
  background:
    radial-gradient(400px 180px at 88% 20%, rgba(255,197,61,.14), transparent 70%),
    linear-gradient(180deg,rgba(16,26,51,.94),rgba(8,13,28,.92));
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--line-gold),transparent);
}
.cta-band .cta-copy{max-width:640px;}
.cta-band h3{
  font-size:clamp(19px,2.2vw,24px);
  line-height:1.4;
  font-weight:700;
  margin-bottom:8px;
}
.cta-band p{
  font-size:14.5px;
  line-height:1.85;
  color:var(--text-2);
}
.cta-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}

/* ============ 按钮 ============ */
.btn-gold,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 28px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-gold{
  color:#0B1220;
  background:linear-gradient(180deg,#FFD873,var(--accent-500) 55%,var(--accent-600));
  box-shadow:var(--sh-glow);
}
.btn-gold:hover{
  color:#0B1220;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(255,197,61,.6),0 12px 34px rgba(255,197,61,.4);
}
.btn-gold:active{transform:translateY(0);}
.btn-gold.btn-lg{height:52px;padding:0 32px;font-size:16px;}
.btn-ghost{
  color:var(--text-1);
  background:rgba(255,255,255,.04);
  border-color:var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  color:#fff;
  background:rgba(255,255,255,.09);
  border-color:var(--line-gold);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-gold:disabled,.btn-ghost:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ FAQ ============ */
.faq-list{
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--paper);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:var(--line-gold);background:rgba(255,197,61,.05);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:60px;
  padding:16px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
  cursor:pointer;
  list-style:none;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  bottom:12px;
  width:3px;
  border-radius:3px;
  background:var(--accent-500);
  opacity:0;
  transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary i{
  flex:0 0 auto;
  font-size:15px;
  color:var(--accent-500);
  transition:transform .25s ease;
}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-item .faq-body{
  padding:4px 22px 20px;
  border-top:1px solid var(--line);
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}
.faq-item .faq-body p{margin-top:14px;}

/* ============ footer ============ */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,32,.86),rgba(5,7,15,.96));
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  padding:64px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.footer-col p{
  font-size:14px;
  line-height:1.9;
  color:var(--text-2);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--accent-500);
  letter-spacing:.4px;
  margin-bottom:18px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-links a{
  position:relative;
  font-size:14px;
  color:var(--text-2);
  padding-left:0;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:5px;
  height:5px;
  margin-top:-2.5px;
  border-radius:50%;
  background:var(--accent-500);
  opacity:0;
  transition:opacity .2s ease;
}
.footer-links a:hover{
  color:var(--text-1);
  padding-left:12px;
}
.footer-links a:hover::before{opacity:1;}
.footer-contact{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
}
.footer-contact li i{
  color:var(--accent-500);
  font-size:14px;
  margin-top:5px;
  flex:0 0 auto;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.back-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  font-size:13px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.back-top:hover{color:var(--text-1);border-color:var(--line-gold);transform:translateY(-2px);}
.back-top i{color:var(--accent-500);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .rules-layout{grid-template-columns:minmax(240px,300px) minmax(0,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  .nav-wrap{height:60px;gap:14px;}
  .main-nav{display:none;}
  .brand-text{font-size:17px;}
  .mega-panel{
    width:min(94vw,460px);
    max-height:calc(100vh - 90px);
    overflow-y:auto;
  }
  .mega-grid{grid-template-columns:1fr;gap:18px;}
  .mega-col--nav{display:block;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .page-head{padding:48px 0 44px;min-height:260px;}
  .rule-panel-box{padding:26px 24px;min-height:0;}
  .media-block{grid-template-columns:1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 26px;min-height:0;}
  .cta-actions{width:100%;}
  .cta-actions .btn-gold,.cta-actions .btn-ghost{width:100%;}
  .site-footer{margin-top:64px;padding-top:52px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:36px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:767px){
  .rules-layout{grid-template-columns:1fr;}
  .rule-list{position:static;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat b{font-size:26px;}
  .page-head h1{font-size:clamp(26px,7vw,34px);}
  .head-badges{gap:8px;}
  .head-badge{padding:7px 13px;font-size:12px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  body{font-size:15px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:24px;}
  .section-head h2::before{width:44px;margin-bottom:14px;}
  .brand-text{font-size:15.5px;}
  .mega-panel{width:min(96vw,360px);padding:18px;}
  .rule-item{font-size:14.5px;padding:12px;}
  .rule-panel h3{font-size:18px;}
  .panel-foot{flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:15px;padding:14px 18px;}
  .faq-item .faq-body{padding:2px 18px 18px;font-size:14.5px;}
  .stat{padding:20px 14px;}
  .stat b{font-size:24px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .media-figure:hover img{transform:none;}
  .btn-gold:hover,.btn-ghost:hover{transform:none;}
}