/* roulang page: index */
:root{
  --bg:#0a1310;
  --bg-soft:#0e1a16;
  --panel:#132420;
  --panel-2:#172b25;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(46,196,166,.40);
  --ink:#e9f4f0;
  --ink-2:#c2d6ce;
  --muted:#8ba39b;
  --jade:#2ec4a6;
  --jade-deep:#14a184;
  --gold:#e9c46a;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 20px 48px rgba(0,0,0,.5);
  --container:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.78;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,19,16,.80);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.45);background:rgba(10,19,16,.94)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.3px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(140deg,#3ddcb9,#0f7f6a);color:#04150f;font-size:16px;font-weight:900;box-shadow:0 6px 20px rgba(46,196,166,.35);flex:0 0 auto}
.brand:hover .brand-mark{transform:translateY(-1px)}
.brand-mark{transition:transform .2s ease}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:8px 14px;border-radius:9px;font-size:14.5px;color:var(--ink-2);white-space:nowrap;transition:background .2s,color .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.active{color:var(--jade);background:rgba(46,196,166,.13);font-weight:600}
.header-cta{margin-left:12px;padding:9px 20px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;margin-left:auto;border:1px solid var(--line);border-radius:10px;background:transparent;padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons / tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:12px 24px;font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn-primary{background:linear-gradient(135deg,#3ddcb9,#14a184);color:#04150f;box-shadow:0 10px 26px rgba(46,196,166,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(46,196,166,.42);color:#04150f}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.20);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,#f2d693,#d8a63c);color:#261b05;box-shadow:0 10px 26px rgba(233,196,106,.25)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(233,196,106,.35);color:#261b05}
.btn-sm{padding:9px 18px;font-size:13.5px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;color:var(--ink-2);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.tag-jade{color:var(--jade);border-color:rgba(46,196,166,.35);background:rgba(46,196,166,.10)}
.tag-gold{color:var(--gold);border-color:rgba(233,196,106,.35);background:rgba(233,196,106,.10)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 60px;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.20;filter:saturate(.75)}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 50% 0%,rgba(46,196,166,.20),transparent 62%),linear-gradient(180deg,rgba(10,19,16,.55) 0%,rgba(10,19,16,.88) 60%,var(--bg) 100%);pointer-events:none}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:900px;margin:0 auto}
.hero-status{display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;border:1px solid rgba(46,196,166,.35);background:rgba(46,196,166,.10);font-size:13px;color:var(--ink-2);margin-bottom:22px}
.hero-status .dot{width:8px;height:8px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 0 rgba(46,196,166,.6);animation:pulse 2s infinite}
.hero-status strong{color:var(--jade);font-weight:700}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,196,166,.55)}70%{box-shadow:0 0 0 10px rgba(46,196,166,0)}100%{box-shadow:0 0 0 0 rgba(46,196,166,0)}}
.hero h1{font-size:40px;line-height:1.28;font-weight:900;letter-spacing:.5px;margin-bottom:14px}
.hero h1 em{font-style:normal;color:var(--jade)}
.hero-sub{font-size:16px;color:var(--gold);letter-spacing:.6px;margin-bottom:18px}
.hero-desc{font-size:15px;line-height:1.9;color:var(--ink-2);max-width:760px;margin:0 auto 28px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.hero-tags{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}

/* icon matrix */
.icon-matrix{display:grid;grid-template-columns:repeat(9,1fr);gap:12px;text-align:center}
.icon-cell{background:rgba(19,36,32,.78);border:1px solid var(--line);border-radius:12px;padding:16px 8px 13px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease}
.icon-cell:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow);background:rgba(23,43,37,.95)}
.icon-cell svg{width:22px;height:22px;color:var(--jade);margin:0 auto 9px;display:block}
.icon-cell span{font-size:12.5px;color:var(--ink-2);line-height:1.4;display:block}

/* ---------- sections ---------- */
.section{padding:72px 0;position:relative}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:740px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-label{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:2.4px;color:var(--jade);margin-bottom:12px;font-weight:600}
.sec-label::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--jade)}
.sec-title{font-size:28px;line-height:1.42;font-weight:800;letter-spacing:.4px;margin-bottom:12px}
.sec-desc{font-size:14.5px;line-height:1.88;color:var(--muted)}

/* ---------- stats bar ---------- */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat-item{background:var(--panel);padding:26px 20px;text-align:center}
.stat-num{font-size:28px;font-weight:900;color:var(--jade);letter-spacing:.5px;line-height:1.2}
.stat-num small{font-size:14px;font-weight:700;margin-left:2px}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);background:var(--panel-2)}
.card-icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:rgba(46,196,166,.12);border:1px solid rgba(46,196,166,.26);color:var(--jade);margin-bottom:16px}
.card-icon svg{width:20px;height:20px}
.card h3{font-size:17px;font-weight:700;margin-bottom:9px;letter-spacing:.2px}
.card p{font-size:14px;line-height:1.82;color:var(--muted)}
.card-meta{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- ladder ---------- */
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ladder-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.ladder-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.ladder-card.featured{border-color:rgba(233,196,106,.45);background:linear-gradient(180deg,rgba(233,196,106,.07),rgba(19,36,32,1) 42%)}
.ladder-badge{position:absolute;top:-11px;right:18px;padding:3px 12px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:1px;background:linear-gradient(135deg,#f2d693,#d8a63c);color:#261b05}
.ladder-step{font-size:12.5px;letter-spacing:2px;color:var(--jade);font-weight:700;margin-bottom:10px}
.ladder-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.ladder-card p{font-size:14px;color:var(--muted);line-height:1.8;min-height:76px}
.progress{height:7px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin:18px 0 10px}
.progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#3ddcb9,#14a184)}
.ladder-card.featured .progress span{background:linear-gradient(90deg,#f2d693,#d8a63c)}
.ladder-note{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted)}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.compare-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.compare-card h3{font-size:17px;font-weight:800;margin-bottom:6px}
.compare-price{font-size:13px;color:var(--gold);margin-bottom:18px}
.compare-list li{display:flex;gap:10px;align-items:flex-start;font-size:13.8px;color:var(--ink-2);padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.07)}
.compare-list li:last-child{border-bottom:none}
.compare-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--jade);flex:0 0 auto;margin-top:8px}
.compare-list li.off{color:var(--muted)}
.compare-list li.off::before{background:#4a5c56}

/* ---------- limited entry ---------- */
.limited{position:relative;overflow:hidden;border-radius:18px;border:1px solid rgba(233,196,106,.28);background:linear-gradient(135deg,rgba(233,196,106,.10),rgba(19,36,32,.95) 55%);padding:46px 40px;display:grid;grid-template-columns:1.25fr 1fr;gap:36px;align-items:center}
.limited::before{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(46,196,166,.20),transparent 68%)}
.limited h3{font-size:25px;font-weight:800;margin-bottom:12px;position:relative}
.limited p{font-size:14.5px;line-height:1.86;color:var(--ink-2);position:relative}
.countdown{display:flex;gap:10px;justify-content:center;position:relative}
.cd-box{min-width:74px;padding:14px 8px;text-align:center;background:rgba(10,19,16,.72);border:1px solid var(--line);border-radius:12px}
.cd-num{font-size:26px;font-weight:900;color:var(--gold);line-height:1.1;font-variant-numeric:tabular-nums}
.cd-label{font-size:12px;color:var(--muted);margin-top:5px}
.limited-cta{position:relative;margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- hot list ---------- */
.hot-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.hot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.hot-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.hot-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.hot-card:hover .hot-thumb img{transform:scale(1.05)}
.hot-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,19,16,0) 40%,rgba(10,19,16,.82) 100%)}
.hot-rank{position:absolute;top:12px;left:12px;z-index:2;padding:3px 11px;border-radius:8px;font-size:12px;font-weight:700;background:rgba(10,19,16,.82);color:var(--gold);border:1px solid rgba(233,196,106,.4)}
.hot-body{padding:20px 22px 24px}
.hot-body h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.hot-body p{font-size:13.8px;color:var(--muted);line-height:1.8}
.hot-body .tag{margin-top:14px}

/* ---------- channel wall ---------- */
.channel-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);background:var(--panel-2);color:inherit}
.channel-card .card-icon{margin-bottom:18px}
.channel-card h3{font-size:18px;font-weight:800;margin-bottom:9px}
.channel-card p{font-size:14px;color:var(--muted);line-height:1.82}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:13.5px;font-weight:600;color:var(--jade)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px 24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.step-num{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:900;font-size:16px;background:rgba(46,196,166,.13);border:1px solid rgba(46,196,166,.3);color:var(--jade);margin-bottom:16px}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:9px}
.step p{font-size:14px;color:var(--muted);line-height:1.82}

/* ---------- reviews ---------- */
.review{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.review-stars{display:flex;gap:3px;margin-bottom:14px;color:var(--gold);font-size:13px;letter-spacing:2px}
.review p{font-size:14.2px;line-height:1.86;color:var(--ink-2)}
.review-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:15px;color:#04150f;background:linear-gradient(135deg,#3ddcb9,#14a184);flex:0 0 auto}
.review-user b{display:block;font-size:14px;font-weight:700}
.review-user span{font-size:12.5px;color:var(--muted)}

/* ---------- guarantee strip ---------- */
.guarantee{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.g-item{display:flex;gap:14px;align-items:flex-start;padding:22px 20px;border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(19,36,32,.65);transition:border-color .22s ease,background .22s ease,transform .22s ease}
.g-item:hover{border-color:var(--line-strong);background:var(--panel);transform:translateY(-3px)}
.g-item svg{width:22px;height:22px;color:var(--jade);flex:0 0 auto;margin-top:2px}
.g-item h4{font-size:14.5px;font-weight:700;margin-bottom:5px}
.g-item p{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:26px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{display:block;padding:22px 24px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease}
.news-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow);background:var(--panel-2);color:inherit}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);margin-bottom:9px}
.news-cat{color:var(--jade);background:rgba(46,196,166,.11);border:1px solid rgba(46,196,166,.28);padding:2px 10px;border-radius:999px;font-weight:600}
.news-item h3{font-size:16.5px;font-weight:700;margin-bottom:7px;line-height:1.55}
.news-item p{font-size:13.8px;color:var(--muted);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px}
.side-panel h3{font-size:16px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-panel h3::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--jade)}
.side-list li+li{margin-top:14px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.08)}
.side-list a{display:block;font-size:14px;line-height:1.66;color:var(--ink-2);transition:color .2s}
.side-list a:hover{color:var(--jade)}
.side-list time{display:block;font-size:12.5px;color:var(--muted);margin-top:6px}
.empty-tip{padding:32px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);font-size:14px}

/* ---------- final CTA ---------- */
.final-cta{position:relative;overflow:hidden;border-radius:18px;border:1px solid var(--line-strong);background:linear-gradient(135deg,rgba(46,196,166,.14),rgba(19,36,32,.96) 60%);padding:52px 44px;text-align:center}
.final-cta::before{content:"";position:absolute;left:-100px;bottom:-120px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(46,196,166,.22),transparent 68%)}
.final-cta h2{position:relative;font-size:27px;font-weight:800;margin-bottom:14px}
.final-cta p{position:relative;font-size:14.6px;line-height:1.86;color:var(--ink-2);max-width:720px;margin:0 auto 26px}
.final-cta .btn{position:relative}

/* ---------- footer ---------- */
.site-footer{background:#08110e;border-top:1px solid var(--line);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-about{font-size:13.8px;line-height:1.86;color:var(--muted);max-width:360px}
.footer-col h4{font-size:14.5px;font-weight:700;margin-bottom:16px;color:var(--ink)}
.footer-col li+li{margin-top:11px}
.footer-col a,.footer-col span{font-size:13.8px;color:var(--muted);transition:color .2s}
.footer-col a:hover{color:var(--jade)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.footer-bottom .beian{color:#5f7a72}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .icon-matrix{grid-template-columns:repeat(5,1fr)}
  .hero h1{font-size:34px}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .ladder,.compare,.steps{grid-template-columns:1fr 1fr}
  .guarantee{grid-template-columns:1fr 1fr}
  .news-layout{grid-template-columns:1fr}
  .limited{grid-template-columns:1fr;padding:38px 28px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stats-bar{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .main-nav{position:absolute;top:64px;left:0;right:0;background:rgba(9,17,14,.98);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 20px 18px;gap:4px;display:none;box-shadow:0 18px 36px rgba(0,0,0,.5)}
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .header-inner{gap:14px}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .hero{padding:44px 0 48px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:14.5px}
  .hero-desc{font-size:14.2px}
  .sec-title{font-size:22px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .ladder,.compare,.steps,.guarantee{grid-template-columns:1fr}
  .icon-matrix{grid-template-columns:repeat(3,1fr)}
  .stats-bar{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .final-cta{padding:38px 24px}
  .final-cta h2{font-size:22px}
  .limited h3{font-size:21px}
  .cd-box{min-width:62px;padding:11px 6px}
  .cd-num{font-size:21px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .brand-text{font-size:15px}
  .hero h1{font-size:24px}
  .hero-actions .btn{width:100%}
  .btn{padding:11px 18px}
  .card{padding:20px}
  .stat-num{font-size:23px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
 --bg:#0a1310;
 --bg-soft:#0e1a16;
 --panel:#132420;
 --panel-2:#172b25;
 --line:rgba(255,255,255,.08);
 --line-strong:rgba(46,196,166,.40);
 --ink:#e9f4f0;
 --ink-2:#c2d6ce;
 --muted:#8ba39b;
 --jade:#2ec4a6;
 --jade-deep:#14a184;
 --gold:#e9c46a;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 10px 30px rgba(0,0,0,.35);
 --shadow-lg:0 20px 48px rgba(0,0,0,.5);
 --container:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;background:var(--bg);color:var(--ink);
 font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.78;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:22px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,19,16,.80);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.45);background:rgba(10,19,16,.94)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.3px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(140deg,#3ddcb9,#0f7f6a);color:#04150f;font-size:16px;font-weight:900;box-shadow:0 6px 20px rgba(46,196,166,.35);flex:0 0 auto;transition:transform .2s ease}
.brand:hover .brand-mark{transform:translateY(-1px)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:8px 14px;border-radius:9px;font-size:14.5px;color:var(--ink-2);white-space:nowrap;transition:background .2s,color .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.active{color:var(--jade);background:rgba(46,196,166,.13);font-weight:600}
.header-cta{margin-left:12px;padding:9px 20px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;margin-left:auto;border:1px solid var(--line);border-radius:10px;background:transparent;padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons / tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:12px 24px;font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn-primary{background:linear-gradient(135deg,#3ddcb9,#14a184);color:#04150f;box-shadow:0 10px 26px rgba(46,196,166,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(46,196,166,.42);color:#04150f}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.20);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;color:var(--ink-2);background:rgba(255,255,255,.05);border:1px solid var(--line);line-height:1.5}
.tag-jade{color:var(--jade);border-color:rgba(46,196,166,.35);background:rgba(46,196,166,.10)}
.tag-gold{color:var(--gold);border-color:rgba(233,196,106,.35);background:rgba(233,196,106,.10)}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;padding:44px 0 52px;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.20;filter:saturate(.75)}
.article-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 30% 0%,rgba(46,196,166,.20),transparent 62%),linear-gradient(180deg,rgba(10,19,16,.60) 0%,rgba(10,19,16,.90) 62%,var(--bg) 100%);pointer-events:none}
.article-hero-inner{position:relative;z-index:2;max-width:880px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a:hover{color:var(--jade)}
.breadcrumb .sep{opacity:.45}
.article-hero h1{font-size:36px;line-height:1.32;font-weight:900;letter-spacing:.4px;margin:16px 0 14px}
.article-lead{font-size:15px;line-height:1.88;color:var(--ink-2);margin-bottom:22px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:13px;color:var(--muted)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-dot{width:7px;height:7px;border-radius:50%;background:var(--jade);flex:0 0 auto}

/* ---------- sections ---------- */
.section{padding:70px 0;position:relative}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-tight{padding:54px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:30px}
.sec-title{font-size:26px;line-height:1.42;font-weight:800;letter-spacing:.3px;position:relative;padding-left:14px;margin:0 0 8px}
.sec-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:20px;border-radius:2px;background:linear-gradient(180deg,#3ddcb9,#14a184)}
.sec-sub{font-size:14px;color:var(--muted);margin:0;max-width:640px;line-height:1.8}

/* ---------- cards & grids ---------- */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);background:var(--panel-2)}
.card-icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:rgba(46,196,166,.12);border:1px solid rgba(46,196,166,.30);color:var(--jade);margin-bottom:16px;font-weight:800;font-size:15px}
.card-title{font-size:17px;font-weight:700;line-height:1.5;margin:0 0 10px;color:var(--ink)}
.card-text{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 14px}
.card-foot{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}
.article-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;box-shadow:var(--shadow)}
.article-cover{margin:0 0 26px;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body{font-size:15.5px;line-height:1.9;color:var(--ink-2);word-break:break-word}
.article-body h2{font-size:22px;line-height:1.45;color:var(--ink);margin:34px 0 14px;padding-left:12px;border-left:3px solid var(--jade)}
.article-body h3{font-size:18px;line-height:1.5;color:var(--ink);margin:26px 0 10px}
.article-body h4{font-size:16px;color:var(--ink);margin:22px 0 8px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--jade);border-bottom:1px dashed rgba(46,196,166,.5)}
.article-body a:hover{color:#5ff0d3}
.article-body strong{color:var(--gold);font-weight:700}
.article-body blockquote{margin:22px 0;padding:16px 20px;border-left:3px solid var(--jade);background:rgba(46,196,166,.07);border-radius:0 10px 10px 0;color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:20px 0}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:rgba(255,255,255,.05);color:var(--ink);font-weight:700}
.article-body code{background:rgba(255,255,255,.07);padding:2px 6px;border-radius:5px;font-size:13.5px}
.article-side{display:grid;gap:20px;position:sticky;top:84px}
.side-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side-card h3{font-size:15px;margin:0 0 14px;color:var(--ink);font-weight:700}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.side-list li{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--muted);border-bottom:1px dashed rgba(255,255,255,.07);padding-bottom:10px}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list b{color:var(--ink-2);font-weight:600}
.side-card .btn{width:100%;margin-top:6px}
.side-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin:12px 0 0}
.empty-state{text-align:center;padding:40px 10px}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ---------- param table ---------- */
.table-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.param-table{width:100%;border-collapse:collapse;font-size:14px}
.param-table thead th{background:rgba(46,196,166,.10);color:var(--ink);font-weight:700;text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap}
.param-table tbody td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
.param-table tbody tr:last-child td{border-bottom:0}
.param-table tbody tr:hover td{background:rgba(255,255,255,.03)}
.param-table .num{color:var(--jade);font-weight:700;white-space:nowrap}
.table-scroll{overflow-x:auto}

/* ---------- post cards ---------- */
.post-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.post-thumb{display:block;overflow:hidden}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body .card-title{margin:0;font-size:16.5px}
.post-body .card-title a:hover{color:var(--jade)}
.post-body .card-text{margin:0;flex:1}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0;overflow:hidden;transition:border-color .2s ease,background .2s ease}
.faq-item[open]{border-color:var(--line-strong);background:var(--panel-2)}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--jade);font-size:20px;font-weight:700;line-height:1;transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border:1px solid rgba(46,196,166,.32);border-radius:18px;padding:40px 36px;background:linear-gradient(135deg,rgba(46,196,166,.16),rgba(20,161,132,.05) 60%,rgba(233,196,106,.08));box-shadow:var(--shadow)}
.cta-band h2{font-size:26px;font-weight:800;margin:0 0 12px;line-height:1.45}
.cta-band p{color:var(--ink-2);margin:0 0 24px;max-width:680px;font-size:14.5px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.muted{color:var(--muted);font-size:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-about{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:430px;margin:0}
.footer-col h4{font-size:14px;margin:0 0 14px;color:var(--ink);font-weight:700}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--muted)}
.footer-col a:hover{color:var(--jade)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.footer-bottom .beian{opacity:.75}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:26px}
 .article-panel{padding:24px}
 .article-hero h1{font-size:31px}
 .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
 .main-nav{position:absolute;top:64px;left:-20px;right:-20px;flex-direction:column;align-items:stretch;gap:4px;padding:12px 20px 18px;background:rgba(10,19,16,.98);border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(0,0,0,.45);display:none;margin-left:0}
 .main-nav.open{display:flex}
 .nav-link{padding:12px 14px;min-height:44px;display:flex;align-items:center}
 .nav-toggle{display:flex}
 .header-cta{display:none}
 .article-layout{grid-template-columns:1fr}
 .article-side{position:static}
 .section{padding:54px 0}
 .article-hero{padding:34px 0 42px}
 .article-hero h1{font-size:27px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .cta-band{padding:30px 24px}
 .cta-band h2{font-size:22px}
}
@media (max-width:520px){
 .wrap{padding:0 16px}
 .main-nav{left:-16px;right:-16px}
 .brand-text{font-size:15px}
 .article-hero h1{font-size:23px;line-height:1.4}
 .article-lead{font-size:14px}
 .sec-title{font-size:22px}
 .grid-3,.grid-2{grid-template-columns:1fr}
 .article-panel{padding:20px 18px}
 .article-body{font-size:15px}
 .article-body h2{font-size:19px}
 .footer-grid{grid-template-columns:1fr;gap:24px}
 .param-table thead th,.param-table tbody td{padding:11px 13px;font-size:13.5px}
 .btn{width:100%}
 .header-cta{width:auto}
 .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --bg:#0a1310;
  --bg-soft:#0e1a16;
  --panel:#132420;
  --panel-2:#172b25;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(46,196,166,.40);
  --ink:#e9f4f0;
  --ink-2:#c2d6ce;
  --muted:#8ba39b;
  --jade:#2ec4a6;
  --jade-deep:#14a184;
  --gold:#e9c46a;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 20px 48px rgba(0,0,0,.5);
  --container:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.78;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,19,16,.80);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.45);background:rgba(10,19,16,.94)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.3px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(140deg,#3ddcb9,#0f7f6a);color:#04150f;font-size:16px;font-weight:900;box-shadow:0 6px 20px rgba(46,196,166,.35);flex:0 0 auto;transition:transform .2s ease}
.brand:hover .brand-mark{transform:translateY(-1px)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:8px 14px;border-radius:9px;font-size:14.5px;color:var(--ink-2);white-space:nowrap;transition:background .2s,color .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.active{color:var(--jade);background:rgba(46,196,166,.13);font-weight:600}
.header-cta{margin-left:12px;padding:9px 20px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;margin-left:auto;border:1px solid var(--line);border-radius:10px;background:transparent;padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* ---------- buttons / tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:12px 24px;font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn-primary{background:linear-gradient(135deg,#3ddcb9,#14a184);color:#04150f;box-shadow:0 10px 26px rgba(46,196,166,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(46,196,166,.42);color:#04150f}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.20);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,#f2d693,#d8a63c);color:#261b05;box-shadow:0 10px 26px rgba(233,196,106,.25)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(233,196,106,.35);color:#261b05}
.btn-sm{padding:9px 18px;font-size:13.5px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;color:var(--ink-2);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.tag-jade{color:var(--jade);border-color:rgba(46,196,166,.35);background:rgba(46,196,166,.10)}
.tag-gold{color:var(--gold);border-color:rgba(233,196,106,.35);background:rgba(233,196,106,.10)}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 62px;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.18;filter:saturate(.75)}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(100% 80% at 20% 0%,rgba(46,196,166,.18),transparent 60%),linear-gradient(180deg,rgba(10,19,16,.60) 0%,rgba(10,19,16,.90) 62%,var(--bg) 100%);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.hero-status{display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;border:1px solid rgba(46,196,166,.35);background:rgba(46,196,166,.10);font-size:13px;color:var(--ink-2);margin-bottom:20px}
.hero-status .dot{width:8px;height:8px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 0 rgba(46,196,166,.6);animation:pulse 2s infinite}
.hero-status strong{color:var(--jade);font-weight:700}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,196,166,.55)}70%{box-shadow:0 0 0 10px rgba(46,196,166,0)}100%{box-shadow:0 0 0 0 rgba(46,196,166,0)}}
.hero h1{font-size:38px;line-height:1.32;font-weight:900;letter-spacing:.4px;margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--jade)}
.hero-sub{font-size:15px;color:var(--gold);letter-spacing:.5px;margin-bottom:16px}
.hero-desc{font-size:15px;line-height:1.9;color:var(--ink-2);margin-bottom:26px;max-width:600px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-figure{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow-lg)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,19,16,0) 45%,rgba(10,19,16,.72) 100%)}
.hero-figure-cap{position:absolute;left:18px;right:18px;bottom:14px;z-index:2;font-size:13px;color:var(--ink-2)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:-26px;position:relative;z-index:3;padding:0 10px}
.hero-stat{background:rgba(19,36,32,.96);border:1px solid var(--line);border-radius:12px;padding:14px 12px;text-align:center;box-shadow:var(--shadow);backdrop-filter:blur(8px)}
.hero-stat b{display:block;font-size:20px;color:var(--jade);font-weight:900;line-height:1.2}
.hero-stat span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
/* ---------- sections ---------- */
.section{padding:72px 0;position:relative}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--jade);letter-spacing:1.4px;margin-bottom:10px}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--jade);border-radius:2px}
.sec-title{font-size:28px;line-height:1.42;font-weight:800;letter-spacing:.3px;margin-bottom:12px}
.sec-desc{color:var(--ink-2);font-size:15px;line-height:1.85}
/* ---------- cards ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);background:var(--panel-2)}
.card-icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:rgba(46,196,166,.12);border:1px solid rgba(46,196,166,.28);color:var(--jade);margin-bottom:16px}
.card-icon svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:17.5px;font-weight:800;margin-bottom:9px;line-height:1.5}
.card p{color:var(--ink-2);font-size:14.5px;line-height:1.82}
.card .tag{margin-top:16px}
/* ---------- stat strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat-cell{background:var(--panel);padding:26px 20px;text-align:center}
.stat-cell b{display:block;font-size:26px;font-weight:900;color:var(--gold);line-height:1.25}
.stat-cell span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:5/4;object-fit:cover}
/* ---------- steps ---------- */
.steps{display:grid;gap:14px}
.step{display:flex;gap:16px;padding:18px 20px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s ease,border-color .2s ease,background .2s ease}
.step:hover{transform:translateX(3px);border-color:var(--line-strong);background:var(--panel-2)}
.step-no{flex:0 0 40px;height:40px;border-radius:11px;display:grid;place-items:center;background:rgba(46,196,166,.12);color:var(--jade);font-weight:900;border:1px solid rgba(46,196,166,.3)}
.step-body h4{font-size:16px;font-weight:800;margin-bottom:6px}
.step-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
/* ---------- compare rows ---------- */
.compare-list{display:grid;gap:14px}
.compare-row{display:grid;grid-template-columns:.9fr 1.9fr auto;gap:24px;align-items:center;padding:22px 26px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease}
.compare-row:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow);background:var(--panel-2)}
.compare-name{font-size:17px;font-weight:800}
.compare-name small{display:block;font-size:12.5px;font-weight:500;color:var(--muted);margin-top:4px}
.compare-desc{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.compare-badge{justify-self:end}
/* ---------- channel ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.channel-card{display:block;padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(160deg,var(--panel-2),var(--panel));transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.channel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-lg)}
.channel-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.channel-card p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:14px}
.channel-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--jade)}
.channel-card:hover .channel-link{color:#5ff0d0}
/* ---------- news ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;display:flex;flex-direction:column;height:100%}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-lg);background:var(--panel-2)}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:12px;flex-wrap:wrap}
.news-meta .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--muted)}
.news-card h3{font-size:16.5px;font-weight:800;line-height:1.6;margin-bottom:10px}
.news-card h3 a:hover{color:var(--jade)}
.news-excerpt{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:16px}
.news-more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--jade);display:inline-flex;align-items:center;gap:6px}
.news-empty{padding:30px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius);font-size:14px}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 22px;transition:border-color .2s ease,background .2s ease}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{background:var(--panel-2);border-color:var(--line-strong)}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--jade);font-size:20px;font-weight:700;line-height:1;transition:transform .22s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 0 18px;color:var(--ink-2);font-size:14.5px;line-height:1.85}
/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:20px;border:1px solid rgba(46,196,166,.35);background:linear-gradient(135deg,rgba(46,196,166,.16),rgba(20,161,132,.05) 55%,rgba(233,196,106,.10));padding:44px 42px;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-band::before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(46,196,166,.28),transparent 68%);right:-70px;top:-90px;pointer-events:none}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:26px;font-weight:900;line-height:1.44;margin-bottom:10px}
.cta-copy p{font-size:14.8px;color:var(--ink-2);line-height:1.85}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:40px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-about{color:var(--muted);font-size:14px;line-height:1.85;max-width:420px}
.footer-col h4{font-size:15px;margin-bottom:14px;color:var(--ink);font-weight:800}
.footer-col ul{display:grid;gap:9px}
.footer-col a{color:var(--muted);font-size:14px}
.footer-col a:hover{color:var(--jade)}
.footer-col span{color:var(--muted);font-size:14px}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.beian{letter-spacing:.4px}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .hero h1{font-size:33px}
  .hero-desc{max-width:none}
  .split{grid-template-columns:1fr;gap:30px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3,.channel-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .compare-row{grid-template-columns:1fr;gap:12px}
  .compare-badge{justify-self:start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:60px 0}
}
@media (max-width:900px){
  .main-nav{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;background:rgba(10,19,16,.98);border-bottom:1px solid var(--line);padding:12px 16px 18px;display:none;box-shadow:0 22px 40px rgba(0,0,0,.5)}
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .hero{padding:38px 0 48px}
  .hero h1{font-size:29px}
  .sec-title{font-size:24px}
  .cta-band{padding:32px 24px}
  .cta-copy h2{font-size:22px}
}
@media (max-width:560px){
  body{font-size:14.5px}
  .wrap{padding:0 16px}
  .hero-stats{grid-template-columns:1fr 1fr;padding:0}
  .hero-stat:last-child{grid-column:span 2}
  .hero h1{font-size:26px}
  .grid-2,.grid-3,.grid-4,.channel-grid,.news-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .section{padding:48px 0}
  .card{padding:20px}
  .compare-row{padding:18px 18px}
}

/* roulang page: category3 */
:root{
  --bg:#0a1310;
  --bg-soft:#0e1a16;
  --panel:#132420;
  --panel-2:#172b25;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(46,196,166,.40);
  --ink:#e9f4f0;
  --ink-2:#c2d6ce;
  --muted:#8ba39b;
  --jade:#2ec4a6;
  --jade-deep:#14a184;
  --gold:#e9c46a;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 20px 48px rgba(0,0,0,.5);
  --container:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.78;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,19,16,.80);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.45);background:rgba(10,19,16,.94)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.3px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(140deg,#3ddcb9,#0f7f6a);color:#04150f;font-size:16px;font-weight:900;box-shadow:0 6px 20px rgba(46,196,166,.35);flex:0 0 auto;transition:transform .2s ease}
.brand:hover .brand-mark{transform:translateY(-1px)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:8px 14px;border-radius:9px;font-size:14.5px;color:var(--ink-2);white-space:nowrap;transition:background .2s,color .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.active{color:var(--jade);background:rgba(46,196,166,.13);font-weight:600}
.header-cta{margin-left:12px;padding:9px 20px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;margin-left:auto;border:1px solid var(--line);border-radius:10px;background:transparent;padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons / tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:12px 24px;font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn-primary{background:linear-gradient(135deg,#3ddcb9,#14a184);color:#04150f;box-shadow:0 10px 26px rgba(46,196,166,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(46,196,166,.42);color:#04150f}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.20);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,#f2d693,#d8a63c);color:#261b05;box-shadow:0 10px 26px rgba(233,196,106,.25)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(233,196,106,.35);color:#261b05}
.btn-sm{padding:9px 18px;font-size:13.5px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;color:var(--ink-2);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.tag-jade{color:var(--jade);border-color:rgba(46,196,166,.35);background:rgba(46,196,166,.10)}
.tag-gold{color:var(--gold);border-color:rgba(233,196,106,.35);background:rgba(233,196,106,.10)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:64px 0 68px;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.18;filter:saturate(.7)}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(110% 80% at 18% 0%,rgba(46,196,166,.22),transparent 58%),linear-gradient(180deg,rgba(10,19,16,.62) 0%,rgba(10,19,16,.90) 62%,var(--bg) 100%);pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-status{display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;border:1px solid rgba(46,196,166,.35);background:rgba(46,196,166,.10);font-size:13px;color:var(--ink-2);margin-bottom:20px}
.hero-status .dot{width:8px;height:8px;border-radius:50%;background:var(--jade);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,196,166,.55)}70%{box-shadow:0 0 0 9px rgba(46,196,166,0)}100%{box-shadow:0 0 0 0 rgba(46,196,166,0)}}
.hero-status strong{color:var(--jade);font-weight:700}
.page-hero h1{font-size:36px;line-height:1.32;font-weight:900;letter-spacing:.4px;margin:0 0 16px}
.page-hero h1 em{font-style:normal;color:var(--jade)}
.hero-sub{font-size:15.5px;color:var(--gold);letter-spacing:.4px;margin-bottom:16px}
.hero-desc{font-size:15px;line-height:1.9;color:var(--ink-2);margin-bottom:26px;max-width:620px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}

/* hero side panel */
.hero-panel{background:linear-gradient(165deg,rgba(23,43,37,.96),rgba(19,36,32,.94));border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow-lg)}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.hero-panel-head h2{font-size:15px;font-weight:700;margin:0;letter-spacing:.3px}
.hero-panel-img{border-radius:12px;overflow:hidden;border:1px solid var(--line);margin-bottom:16px}
.hero-panel-img img{width:100%;height:150px;object-fit:cover}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.metric{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 8px;text-align:center}
.metric b{display:block;font-size:19px;color:var(--jade);font-weight:800;line-height:1.3}
.metric span{font-size:12px;color:var(--muted)}
.panel-list li{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--ink-2);padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.07)}
.panel-list li:last-child{border-bottom:0}
.panel-list .bullet{width:6px;height:6px;border-radius:50%;background:var(--jade);margin-top:8px;flex:0 0 auto}

/* ---------- sections ---------- */
.section{padding:72px 0;position:relative}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:34px;max-width:760px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.4px;text-transform:uppercase;color:var(--jade);margin-bottom:12px}
.sec-kicker::before{content:"";display:block;width:22px;height:2px;border-radius:2px;background:var(--jade)}
.sec-title{font-size:28px;line-height:1.42;font-weight:800;letter-spacing:.4px;margin:0 0 12px}
.sec-desc{color:var(--ink-2);font-size:14.5px;line-height:1.85;margin:0}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);background:var(--panel-2)}
.card-icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:rgba(46,196,166,.12);border:1px solid rgba(46,196,166,.28);color:var(--jade);margin-bottom:16px}
.card-icon svg{width:20px;height:20px}
.card h3{font-size:17.5px;font-weight:700;margin:0 0 10px;line-height:1.5}
.card p{font-size:14px;color:var(--ink-2);line-height:1.8;margin:0 0 14px}
.card-tags{display:flex;flex-wrap:wrap;gap:8px}
.card-meta{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:8px}
.card-cover{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);margin-bottom:16px}
.card-cover img{width:100%;height:158px;object-fit:cover;transition:transform .3s ease}
.card:hover .card-cover img{transform:scale(1.04)}

/* ---------- split block ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split-media{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;min-height:280px;object-fit:cover}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.08);font-size:14.5px;color:var(--ink-2)}
.checklist li:last-child{border-bottom:0}
.checklist b{color:var(--ink);font-weight:700}
.check-mark{width:22px;height:22px;border-radius:7px;display:grid;place-items:center;background:rgba(46,196,166,.14);border:1px solid rgba(46,196,166,.30);color:var(--jade);font-size:12px;flex:0 0 auto;margin-top:2px}

/* ---------- steps ---------- */
.steps{counter-reset:step}
.step{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px 22px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.step:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:16px;right:20px;font-size:26px;font-weight:900;color:rgba(46,196,166,.20);letter-spacing:1px}
.step h3{font-size:16.5px;margin:0 0 10px;font-weight:700}
.step p{font-size:13.8px;color:var(--ink-2);margin:0}

/* ---------- params table ---------- */
.table-shell{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.param-table{width:100%;border-collapse:collapse}
.param-table thead th{background:rgba(46,196,166,.10);color:var(--ink);font-size:13.5px;font-weight:700;text-align:left;padding:15px 20px;border-bottom:1px solid var(--line);letter-spacing:.3px;white-space:nowrap}
.param-table tbody td{padding:15px 20px;font-size:14px;color:var(--ink-2);border-bottom:1px solid rgba(255,255,255,.05);vertical-align:top}
.param-table tbody tr:last-child td{border-bottom:0}
.param-table tbody tr:hover td{background:rgba(46,196,166,.05)}
.param-table td b{color:var(--ink);font-weight:700}
.table-note{font-size:13px;color:var(--muted);margin-top:14px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:0 22px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.faq-item[open]{border-color:var(--line-strong);background:var(--panel-2);box-shadow:var(--shadow)}
.faq-item summary{cursor:pointer;list-style:none;padding:19px 34px 19px 0;font-size:15.5px;font-weight:700;position:relative;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:20px;color:var(--jade);font-weight:700;transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 0 20px;font-size:14px;color:var(--ink-2);line-height:1.85;border-top:1px dashed rgba(255,255,255,.08);padding-top:16px}

/* ---------- news list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--panel-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:15.5px;font-weight:700;line-height:1.6;margin:0}
.news-body p{font-size:13.5px;color:var(--ink-2);line-height:1.75;margin:0}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted)}
.empty-note{padding:28px;text-align:center;color:var(--muted);font-size:14px;background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius)}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:20px;border:1px solid rgba(46,196,166,.28);background:linear-gradient(140deg,rgba(23,43,37,.96),rgba(11,32,27,.96));padding:46px 40px;box-shadow:var(--shadow-lg)}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(46,196,166,.24),transparent 68%);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:25px;font-weight:800;margin:0 0 10px;line-height:1.4}
.cta-inner p{margin:0;color:var(--ink-2);font-size:14.5px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#08100d;border-top:1px solid var(--line);padding:52px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid var(--line)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;margin-bottom:14px}
.footer-about{font-size:13.5px;color:var(--muted);line-height:1.85;margin:0;max-width:420px}
.footer-col h4{font-size:14px;font-weight:700;margin:0 0 14px;color:var(--ink);letter-spacing:.4px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13.5px;color:var(--muted);transition:color .2s ease}
.footer-col ul li a:hover{color:var(--jade)}
.footer-col ul li span{font-size:13px;color:var(--muted)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.footer-bottom .beian{letter-spacing:.4px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .page-hero h1{font-size:32px}
  .grid-3,.grid-4,.news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .main-nav{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:12px 20px 18px;background:rgba(10,19,16,.98);border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(0,0,0,.5);display:none}
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:14px}
}
@media (max-width:768px){
  .section{padding:54px 0}
  .page-hero{padding:48px 0 52px}
  .page-hero h1{font-size:27px}
  .sec-title{font-size:23px}
  .grid-3,.grid-4,.grid-2,.news-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:26px}
  .split-media img{min-height:200px}
  .cta-band{padding:32px 24px}
  .cta-inner h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr}
  .table-shell{overflow-x:auto}
  .param-table{min-width:560px}
}
@media (max-width:520px){
  body{font-size:14.5px}
  .wrap{padding:0 16px}
  .brand-text{font-size:15px}
  .page-hero h1{font-size:23.5px}
  .hero-actions .btn{width:100%}
  .metric-row{grid-template-columns:1fr 1fr 1fr;gap:8px}
  .metric b{font-size:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category2 */
:root{
 --bg:#0a1310;
 --bg-soft:#0e1a16;
 --panel:#132420;
 --panel-2:#172b25;
 --line:rgba(255,255,255,.08);
 --line-strong:rgba(46,196,166,.40);
 --ink:#e9f4f0;
 --ink-2:#c2d6ce;
 --muted:#8ba39b;
 --jade:#2ec4a6;
 --jade-deep:#14a184;
 --gold:#e9c46a;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 10px 30px rgba(0,0,0,.35);
 --shadow-lg:0 20px 48px rgba(0,0,0,.5);
 --container:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--bg);color:var(--ink);
 font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.78;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,19,16,.80);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.45);background:rgba(10,19,16,.94)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.3px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(140deg,#3ddcb9,#0f7f6a);color:#04150f;font-size:16px;font-weight:900;box-shadow:0 6px 20px rgba(46,196,166,.35);flex:0 0 auto;transition:transform .2s ease}
.brand:hover .brand-mark{transform:translateY(-1px)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:8px 14px;border-radius:9px;font-size:14.5px;color:var(--ink-2);white-space:nowrap;transition:background .2s,color .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.active{color:var(--jade);background:rgba(46,196,166,.13);font-weight:600}
.header-cta{margin-left:12px;padding:9px 20px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;margin-left:auto;border:1px solid var(--line);border-radius:10px;background:transparent;padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* ---------- buttons / tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:12px 24px;font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn-primary{background:linear-gradient(135deg,#3ddcb9,#14a184);color:#04150f;box-shadow:0 10px 26px rgba(46,196,166,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(46,196,166,.42);color:#04150f}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.20);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,#f2d693,#d8a63c);color:#261b05;box-shadow:0 10px 26px rgba(233,196,106,.25)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(233,196,106,.35);color:#261b05}
.btn-sm{padding:9px 18px;font-size:13.5px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;color:var(--ink-2);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.tag-jade{color:var(--jade);border-color:rgba(46,196,166,.35);background:rgba(46,196,166,.10)}
.tag-gold{color:var(--gold);border-color:rgba(233,196,106,.35);background:rgba(233,196,106,.10)}
/* ---------- category hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:54px 0 64px;border-bottom:1px solid var(--line)}
.cat-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.16;filter:saturate(.7)}
.cat-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(110% 80% at 15% 0%,rgba(46,196,166,.20),transparent 60%),linear-gradient(180deg,rgba(10,19,16,.70) 0%,rgba(10,19,16,.92) 65%,var(--bg) 100%);pointer-events:none}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:start}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a:hover{color:var(--jade)}
.crumb .sep{opacity:.5}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;border:1px solid rgba(46,196,166,.35);background:rgba(46,196,166,.10);font-size:12.8px;color:var(--ink-2);margin-bottom:20px}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--jade);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,196,166,.55)}70%{box-shadow:0 0 0 9px rgba(46,196,166,0)}100%{box-shadow:0 0 0 0 rgba(46,196,166,0)}}
.cat-hero h1{font-size:40px;line-height:1.3;font-weight:900;letter-spacing:.5px;margin:0 0 14px}
.cat-hero h1 em{font-style:normal;color:var(--jade)}
.hero-lead{font-size:15.5px;color:var(--gold);letter-spacing:.4px;margin-bottom:16px}
.hero-desc{font-size:15px;line-height:1.9;color:var(--ink-2);margin-bottom:24px;max-width:560px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}
/* ---------- rule kit ---------- */
.rule-kit{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:22px}
.kit-cover{position:relative;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);margin-bottom:18px}
.kit-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.kit-cover span{position:absolute;left:12px;bottom:12px;padding:5px 12px;border-radius:8px;background:rgba(6,16,13,.82);border:1px solid rgba(46,196,166,.35);font-size:12.5px;color:var(--jade)}
.kit-title{font-size:16px;font-weight:800;margin:0 0 12px;display:flex;align-items:center;gap:8px}
.kit-title i{width:4px;height:16px;border-radius:2px;background:var(--jade);display:inline-block}
.kit-toc li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.07);font-size:13.6px;color:var(--ink-2)}
.kit-toc li:last-child{border-bottom:0}
.kit-toc b{color:var(--jade);font-variant-numeric:tabular-nums;font-weight:700;flex:0 0 22px}
.lead-form{margin-top:16px;display:grid;gap:10px}
.lead-form input{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:9px;padding:11px 14px;color:var(--ink);font-size:14px;transition:border-color .2s,background .2s}
.lead-form input::placeholder{color:var(--muted)}
.lead-form input:focus{outline:none;border-color:var(--line-strong);background:rgba(46,196,166,.07)}
.lead-form .btn{width:100%}
.form-tip{font-size:12.5px;color:var(--muted);margin:2px 0 0}
.form-msg{font-size:13px;color:var(--jade);min-height:20px;margin:0}
/* ---------- sections ---------- */
.section{padding:72px 0;position:relative}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.4px;color:var(--jade);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--jade);display:inline-block}
.sec-title{font-size:28px;line-height:1.42;font-weight:800;letter-spacing:.4px;margin:0 0 12px}
.sec-desc{font-size:15px;color:var(--ink-2);line-height:1.85;margin:0}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
/* ---------- cards ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);background:var(--panel-2)}
.card-icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:rgba(46,196,166,.12);border:1px solid rgba(46,196,166,.28);color:var(--jade);margin-bottom:16px}
.card-icon svg{width:21px;height:21px}
.card h3{font-size:17px;font-weight:700;margin:0 0 10px;letter-spacing:.2px}
.card p{font-size:14px;color:var(--ink-2);line-height:1.8;margin:0 0 14px}
.card-tags{display:flex;gap:8px;flex-wrap:wrap}
/* ---------- rate rows ---------- */
.rate-list{display:grid;gap:12px;margin-top:6px}
.rate-row{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 20px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.rate-row:hover{transform:translateX(3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.rate-name{font-weight:700;font-size:15px;color:var(--ink)}
.rate-cond{font-size:13.6px;color:var(--muted);line-height:1.7}
.rate-badge{padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;color:#04150f;background:linear-gradient(135deg,#3ddcb9,#14a184);white-space:nowrap}
.rate-badge.gold{background:linear-gradient(135deg,#f2d693,#d8a63c);color:#261b05}
.rate-badge.plain{background:rgba(255,255,255,.08);color:var(--ink-2);border:1px solid var(--line)}
/* ---------- steps ---------- */
.steps{display:grid;gap:16px;counter-reset:step}
.step{display:grid;grid-template-columns:52px 1fr;gap:18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.step:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-3px)}
.step-no{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(46,196,166,.12);border:1px solid rgba(46,196,166,.28);color:var(--jade);font-weight:900;font-size:16px;font-variant-numeric:tabular-nums}
.step h3{font-size:16.5px;font-weight:700;margin:0 0 8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8;margin:0}
/* ---------- media cards ---------- */
.media-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.media-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-body{padding:20px 22px 22px}
.media-body h3{font-size:16.5px;font-weight:700;margin:0 0 9px}
.media-body p{font-size:13.8px;color:var(--ink-2);line-height:1.8;margin:0 0 14px}
/* ---------- stat band ---------- */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat-item{padding:30px 22px;text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:32px;font-weight:900;line-height:1.2;color:var(--jade);letter-spacing:.5px;font-variant-numeric:tabular-nums}
.stat-num small{font-size:14px;color:var(--gold);font-weight:700;margin-left:3px}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:8px}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 22px;transition:border-color .2s ease,background .2s ease}
.faq-item[open]{border-color:var(--line-strong);background:var(--panel-2)}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 0;font-size:15.5px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--jade);font-size:22px;font-weight:400;line-height:1;transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-answer{padding:0 0 20px;font-size:14px;color:var(--ink-2);line-height:1.85;margin:0;border-top:1px dashed rgba(255,255,255,.08);padding-top:16px}
/* ---------- news list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.news-card h3{font-size:16px;font-weight:700;line-height:1.6;margin:0}
.news-card h3 a:hover{color:var(--jade)}
.news-card p{font-size:13.6px;color:var(--ink-2);line-height:1.8;margin:0}
.news-more{margin-top:14px;font-size:13px;color:var(--jade);font-weight:600}
.news-more:hover{color:#fff}
.empty-note{background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius);padding:34px;text-align:center;color:var(--muted);font-size:14px}
/* ---------- cta ---------- */
.cta-panel{position:relative;overflow:hidden;border-radius:18px;border:1px solid rgba(46,196,166,.30);background:linear-gradient(135deg,rgba(46,196,166,.16),rgba(19,36,32,.9) 55%,rgba(19,36,32,.96));padding:48px 44px;display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center}
.cta-panel h2{font-size:26px;font-weight:900;margin:0 0 12px;line-height:1.45}
.cta-panel p{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin:0 0 22px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-side{background:rgba(6,16,13,.55);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.cta-side li{display:flex;justify-content:space-between;gap:12px;font-size:13.6px;color:var(--ink-2);padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.cta-side li:last-child{border-bottom:0}
.cta-side b{color:var(--jade);font-weight:700}
/* ---------- footer ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:52px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;margin-bottom:14px}
.footer-about{font-size:13.8px;color:var(--muted);line-height:1.85;margin:0;max-width:420px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin:0 0 14px;letter-spacing:.4px}
.footer-col li{margin-bottom:10px;font-size:13.6px}
.footer-col a{color:var(--muted)}
.footer-col a:hover{color:var(--jade)}
.footer-col span{color:var(--muted)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding:20px 0 26px;font-size:13px;color:var(--muted)}
.footer-bottom .beian{letter-spacing:.4px}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .cat-hero-inner{grid-template-columns:1fr;gap:32px}
 .hero-desc{max-width:none}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .stat-band{grid-template-columns:repeat(2,1fr)}
 .stat-item:nth-child(2){border-right:0}
 .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
 .cta-panel{grid-template-columns:1fr;padding:38px 30px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
 .main-nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;background:rgba(10,19,16,.98);border-bottom:1px solid var(--line);padding:14px 20px 18px;box-shadow:0 18px 34px rgba(0,0,0,.5)}
 .main-nav.open{display:flex}
 .nav-link{padding:12px 14px;font-size:15px}
 .header-cta{display:none}
 .nav-toggle{display:inline-flex}
 .site-header{position:sticky}
 .cat-hero h1{font-size:32px}
 .sec-title{font-size:24px}
 .section{padding:56px 0}
 .rate-row{grid-template-columns:1fr auto;gap:10px}
 .rate-cond{grid-column:1 / -1}
}
@media (max-width:640px){
 .cat-hero{padding:38px 0 46px}
 .cat-hero h1{font-size:27px}
 .hero-lead{font-size:14.5px}
 .grid-2,.grid-3,.grid-4,.news-grid{grid-template-columns:1fr}
 .stat-band{grid-template-columns:1fr}
 .stat-item{border-right:0;border-bottom:1px solid var(--line)}
 .stat-item:last-child{border-bottom:0}
 .step{grid-template-columns:1fr;gap:12px}
 .cta-panel{padding:30px 22px}
 .footer-grid{grid-template-columns:1fr}
 .faq-item{padding:0 16px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .btn{width:100%}
 .hero-actions .btn,.cta-actions .btn{width:100%}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}