/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-soft:#252c57;
  --gold:#ffb400;
  --gold-deep:#c98600;
  --bg:#f5f6fb;
  --card:#ffffff;
  --text:#1d2133;
  --muted:#6c7389;
  --line:#e6e9f3;
  --radius:12px;
  --radius-lg:18px;
  --shadow:0 6px 20px rgba(26,31,61,.07);
  --shadow-lg:0 18px 44px rgba(26,31,61,.14);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink);box-shadow:0 2px 20px rgba(10,14,35,.35)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px}
.nav-side{display:flex;align-items:center;gap:28px;flex:1;min-width:0}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;color:#ccd2e8;font-size:15px;font-weight:500;padding:8px 0;white-space:nowrap;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);transition:width .25s ease}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--gold);font-weight:600}
.nav-link.is-active::after{width:100%}
.brand{display:flex;flex-direction:column;align-items:center;line-height:1.15;white-space:nowrap;padding:0 10px}
.brand strong{font-size:19px;font-weight:800;letter-spacing:.5px;color:#fff}
.brand span{font-size:11px;letter-spacing:4px;color:var(--gold);margin-top:3px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.1);color:#fff;font-size:20px;line-height:1;align-items:center;justify-content:center}
.mobile-menu{display:none;background:var(--ink-soft);border-top:1px solid rgba(255,255,255,.08)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 24px;color:#d5d9ec;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-menu a.is-active{color:var(--gold);font-weight:600}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap}
.btn-gold{background:linear-gradient(135deg,#ffcf4d,#ffb400 55%,#e89700);color:#2b1d00;box-shadow:0 10px 22px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.44)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,180,0,.3)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.07)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 10px 22px rgba(26,31,61,.24)}
.btn-dark:hover{background:#2c3468;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#12162e 0%,#1a1f3d 42%,#2a1d46 100%);color:#fff;padding:64px 0 76px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22;filter:saturate(.9)}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 78% 12%,rgba(255,180,0,.16),transparent 62%),radial-gradient(700px 400px at 8% 88%,rgba(94,124,255,.18),transparent 65%)}
.hero-inner{position:relative;z-index:2}
.hero-tag{display:inline-block;font-size:13px;letter-spacing:1.5px;color:var(--gold);border:1px solid rgba(255,180,0,.45);background:rgba(255,180,0,.1);padding:6px 16px;border-radius:999px}
.hero-title{font-size:clamp(30px,4.6vw,50px);font-weight:800;letter-spacing:1px;margin-top:20px;line-height:1.22;color:#fff}
.hero-title em{font-style:normal;color:var(--gold)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;margin-top:28px}
.hero-sub{font-size:16px;color:#c9cee6;line-height:1.95;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px}
.hero-points li{font-size:14px;color:#aeb6d4;display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);flex:none}

/* ticket */
.ticket{position:relative;background:linear-gradient(165deg,#262e5c,#151932);border:1px solid rgba(255,180,0,.35);border-radius:var(--radius-lg);padding:26px 26px 22px;box-shadow:0 28px 60px rgba(6,10,26,.55)}
.ticket-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#a9b0cf}
.ticket-head .ticket-label{color:var(--gold);font-weight:700;letter-spacing:1px}
.ticket-main{margin-top:18px;text-align:center;padding:18px 0 20px;border-top:1px dashed rgba(255,180,0,.35);border-bottom:1px dashed rgba(255,180,0,.35)}
.ticket-main strong{display:block;font-size:56px;line-height:1;font-weight:800;color:var(--gold);letter-spacing:2px}
.ticket-main strong i{font-style:normal;font-size:22px;margin-left:6px;letter-spacing:0;color:#ffd267}
.ticket-main p{margin-top:10px;font-size:13px;color:#a9b0cf;letter-spacing:1px}
.ticket-meta{margin:18px 0 6px;display:grid;gap:10px}
.ticket-meta li{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:#a9b0cf}
.ticket-meta li b{color:#fff;font-weight:600}
.ticket-btn{width:100%;margin-top:12px}
.ticket-note{margin-top:12px;font-size:12px;color:#858db0;text-align:center}

/* ---------- stat bar ---------- */
.stat-strip{position:relative;z-index:3;margin-top:-44px}
.stat-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.stat{background:#fff;padding:26px 18px;text-align:center}
.stat b{display:block;font-size:30px;font-weight:800;color:var(--ink);letter-spacing:.5px;line-height:1.2}
.stat b i{font-style:normal;font-size:16px;color:var(--gold-deep);margin-left:3px}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section--light{background:#fff}
.section--mist{background:var(--bg)}
.section--ink{background:var(--ink);color:#dfe3f2}
.section--ink .section-title{color:#fff}
.section--ink .section-desc{color:#a9b0cf}
.section--ink .eyebrow{color:var(--gold);background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.35)}
.section-head{max-width:780px;margin:0 auto 44px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:1px;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);padding:5px 15px;border-radius:999px;margin-bottom:14px}
.section-title{font-size:clamp(22px,3vw,32px);font-weight:800;line-height:1.4;color:var(--ink);letter-spacing:.5px}
.section-desc{margin-top:14px;font-size:15px;color:var(--muted)}

/* ---------- grids & cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;overflow:hidden}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5)}
.card-body{padding:22px}
.card-title{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.card-text{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#e9ecf6}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.05)}
.badge{display:inline-block;font-size:12px;font-weight:600;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);padding:4px 11px;border-radius:999px;letter-spacing:.4px}
.badge--ink{color:#c3cae8;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}

/* features */
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s}
.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45)}
.feature-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:var(--gold-deep);background:linear-gradient(140deg,rgba(255,180,0,.2),rgba(255,180,0,.06));border:1px solid rgba(255,180,0,.3)}
.feature h3{margin-top:16px;font-size:17px;font-weight:700;color:var(--ink)}
.feature p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85}

/* scenes */
.scene-tag{position:absolute;left:14px;top:14px;z-index:2;font-size:12px;font-weight:700;color:#22190a;background:linear-gradient(135deg,#ffd35c,#ffb400);padding:4px 12px;border-radius:999px;box-shadow:0 6px 14px rgba(255,180,0,.35)}
.scene-meta{display:flex;gap:14px;margin-top:14px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.scene-meta span{display:flex;align-items:center;gap:6px}
.scene-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* routes */
.route{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s}
.route:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45)}
.route::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:0 4px 4px 0;background:linear-gradient(180deg,var(--gold),#ffe1a1)}
.route h3{font-size:18px;font-weight:700;color:var(--ink);padding-left:8px}
.route p{margin-top:12px;font-size:14px;color:var(--muted);padding-left:8px;line-height:1.85}
.route-list{margin-top:16px;padding-left:8px;display:grid;gap:8px}
.route-list li{font-size:13.5px;color:#4c5370;display:flex;gap:8px}
.route-list li::before{content:"·";color:var(--gold);font-weight:800}

/* trust wall */
.trust-item{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:20px;transition:background .25s ease,border-color .25s ease,transform .25s ease}
.trust-item:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.4);transform:translateY(-3px)}
.trust-mark{flex:none;width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#2a1d00;background:linear-gradient(135deg,#ffd35c,#ffb400)}
.trust-item h4{font-size:15px;font-weight:700;color:#fff}
.trust-item p{margin-top:6px;font-size:13px;color:#a4abc9;line-height:1.75}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45)}
.step-no{font-size:13px;font-weight:800;color:var(--gold-deep);letter-spacing:2px}
.step h3{margin-top:10px;font-size:16.5px;font-weight:700;color:var(--ink)}
.step p{margin-top:10px;font-size:13.8px;color:var(--muted);line-height:1.8}

/* cases */
.case-quote{font-size:14.5px;color:#454b66;line-height:1.9;margin-top:12px}
.case-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.case-score{font-weight:800;color:var(--gold-deep);font-size:15px}

/* data analysis */
.chart{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;box-shadow:var(--shadow)}
.chart-row{margin-bottom:22px}
.chart-row:last-child{margin-bottom:0}
.chart-top{display:flex;align-items:baseline;justify-content:space-between;font-size:14px;color:var(--ink);font-weight:600}
.chart-top i{font-style:normal;color:var(--muted);font-weight:500;font-size:13px}
.chart-track{margin-top:9px;height:10px;border-radius:999px;background:#eef0f8;overflow:hidden}
.chart-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#ffcf4d,#ffb400 70%,#e89700);transition:width .6s ease}
.chart-note{margin-top:18px;font-size:13px;color:var(--muted)}
.chart-side{display:grid;gap:16px}
.mini-stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.mini-stat b{display:block;font-size:24px;font-weight:800;color:var(--ink)}
.mini-stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* news */
.news-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45)}
.news-body{min-width:0;flex:1}
.news-cat{display:inline-block;font-size:12px;font-weight:600;color:var(--gold-deep);background:rgba(255,180,0,.13);padding:3px 10px;border-radius:999px}
.news-title{margin-top:9px;font-size:16px;font-weight:700;color:var(--ink);line-height:1.55;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-excerpt{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-time{display:block;margin-top:10px;font-size:12.5px;color:#9aa1b8}
.news-arrow{flex:none;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--gold-deep);background:rgba(255,180,0,.12);transition:background .22s ease,transform .22s ease}
.news-item:hover .news-arrow{background:var(--gold);color:#2b1d00;transform:translateX(3px)}
.news-empty{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:26px;color:var(--muted);font-size:14px;text-align:center}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}
.side-panel h3{font-size:16px;font-weight:700;color:var(--ink);padding-bottom:14px;border-bottom:1px solid var(--line)}
.side-list{margin-top:16px;display:grid;gap:14px}
.side-item{display:block;padding:12px 14px;border-radius:10px;background:var(--bg);transition:background .2s ease,transform .2s ease}
.side-item:hover{background:rgba(255,180,0,.12);transform:translateX(3px)}
.side-item strong{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.6;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.side-item span{display:block;margin-top:6px;font-size:12px;color:#9aa1b8}
.side-more{display:inline-flex;margin-top:18px;font-size:13.5px;font-weight:600;color:var(--gold-deep)}
.side-more:hover{text-decoration:underline}

/* category entry */
.cat-card{display:block;position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;overflow:hidden}
.cat-card::after{content:"";position:absolute;right:-40px;bottom:-40px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.22),transparent 70%);transition:transform .3s ease}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55)}
.cat-card:hover::after{transform:scale(1.25)}
.cat-card h3{font-size:18px;font-weight:800;color:var(--ink)}
.cat-card p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.85}
.cat-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:700;color:var(--gold-deep)}
.cat-card:hover .cat-link{color:var(--ink)}

/* faq */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);transition:border-color .25s ease,box-shadow .25s ease}
.faq-item:hover{border-color:rgba(255,180,0,.45);box-shadow:var(--shadow-lg)}
.faq-item h3{font-size:16px;font-weight:700;color:var(--ink);display:flex;gap:10px}
.faq-item h3::before{content:"Q";flex:none;width:24px;height:24px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:13px;color:#2b1d00;background:linear-gradient(135deg,#ffd35c,#ffb400)}
.faq-item p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.9;padding-left:34px}

/* promise strip */
.promise{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.promise-item{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.promise-item .dot{flex:none;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:rgba(255,180,0,.16);color:var(--gold-deep);font-weight:800}
.promise-item p{font-size:14px;color:#454b66}
.promise-item p b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:3px}

/* form */
.form-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:40px;overflow:hidden}
.form-panel h2{font-size:clamp(20px,2.6vw,28px);font-weight:800;color:var(--ink);line-height:1.45}
.form-panel .lead{margin-top:14px;font-size:14.5px;color:var(--muted);line-height:1.9}
.form-visual{margin-top:22px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.review-form{display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:block}
.field span{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field input,.field textarea{width:100%;border:1px solid var(--line);background:#fbfcff;border-radius:10px;padding:12px 14px;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.field input::placeholder,.field textarea::placeholder{color:#a7adc2}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:#fff;box-shadow:0 0 0 4px rgba(255,180,0,.16)}
.field textarea{resize:vertical;min-height:110px}
.form-tip{font-size:13.5px;color:var(--gold-deep);min-height:20px}

/* footer */
.site-footer{background:var(--ink);color:#a9b0cf;padding:58px 0 24px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.footer-brand strong{display:block;font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px}
.footer-brand em{display:block;font-style:normal;font-size:12px;letter-spacing:4px;color:var(--gold);margin-top:6px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;max-width:360px;color:#98a0c0}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px}
.footer-col a{display:block;font-size:14px;color:#98a0c0;padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#828ab0}
.footer-bottom a{color:#828ab0}
.footer-bottom a:hover{color:var(--gold)}

/* sticky cta */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(20,25,50,.96);backdrop-filter:blur(8px);border-top:1px solid rgba(255,180,0,.28);padding:12px 0}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.sticky-inner p{font-size:14px;color:#c6cce6}
.sticky-inner p strong{color:var(--gold);margin-right:8px}

/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .news-wrap{grid-template-columns:1fr}
  .form-panel{grid-template-columns:1fr;padding:32px}
  .promise{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .nav-side{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{height:66px;justify-content:flex-start;gap:12px}
  .brand{align-items:flex-start;margin:0 auto}
  .brand strong{font-size:17px}
  .nav-wrap .nav-toggle{margin-left:auto}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .hero{padding:46px 0 66px}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4,.grid-2,.steps{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .promise{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .sticky-inner p{font-size:13px;line-height:1.5}
  body{padding-bottom:0}
  .site-footer{padding-bottom:96px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero-title{letter-spacing:0}
  .ticket-main strong{font-size:46px}
  .btn{padding:12px 20px;font-size:14px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 auto}
  .stat b{font-size:24px}
  .sticky-inner p{display:none}
  .sticky-inner{justify-content:center}
  .sticky-inner .btn{width:100%}
  .news-item{padding:16px}
  .faq-item p{padding-left:0}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-soft:#252c57;
 --gold:#ffb400;
 --gold-deep:#c98600;
 --bg:#f5f6fb;
 --card:#ffffff;
 --text:#1d2133;
 --muted:#6c7389;
 --line:#e6e9f3;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 6px 20px rgba(26,31,61,.07);
 --shadow-lg:0 18px 44px rgba(26,31,61,.14);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 color:var(--text);
 background:var(--bg);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,table{margin:0;padding:0}
ul,ol{list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink);box-shadow:0 2px 20px rgba(10,14,35,.35)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px;position:relative}
.nav-side{display:flex;align-items:center;gap:28px;flex:1;min-width:0}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;color:#ccd2e8;font-size:15px;font-weight:500;padding:8px 0;white-space:nowrap;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);transition:width .25s ease}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:100%}
.nav-link:focus-visible{outline:2px solid var(--gold);outline-offset:4px;border-radius:4px}
.nav-link.is-active{color:var(--gold);font-weight:600}
.nav-link.is-active::after{width:100%}
.brand{display:flex;flex-direction:column;align-items:center;line-height:1.15;white-space:nowrap;padding:0 10px;flex:none}
.brand strong{font-size:19px;font-weight:800;letter-spacing:.5px;color:#fff}
.brand span{font-size:11px;letter-spacing:4px;color:var(--gold);margin-top:3px}
.nav-cta{padding:10px 20px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.1);color:#fff;font-size:20px;line-height:1;align-items:center;justify-content:center;flex:none}
.nav-toggle:hover{background:rgba(255,255,255,.2)}
.mobile-menu{display:none;background:var(--ink-soft);border-top:1px solid rgba(255,255,255,.08)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 24px;color:#d5d9ec;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-menu a:hover{background:rgba(255,255,255,.06);color:#fff}
.mobile-menu a.is-active{color:var(--gold);font-weight:600}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;white-space:nowrap}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.5);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,#ffcf4d,#ffb400 55%,#e89700);color:#2b1d00;box-shadow:0 10px 22px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.44)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,180,0,.3)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.07)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 10px 22px rgba(26,31,61,.24)}
.btn-dark:hover{background:#2c3468;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px)}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section--light{background:#fff}
.section--mist{background:var(--bg)}
.section--ink{background:var(--ink);color:#dfe3f2}
.section--ink .section-title{color:#fff}
.section--ink .section-desc{color:#a9b0cf}
.section--ink .eyebrow{color:var(--gold);background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.35)}
.section-head{max-width:780px;margin:0 auto 44px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:1px;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);padding:5px 15px;border-radius:999px;margin-bottom:14px}
.section-title{font-size:clamp(22px,3vw,32px);font-weight:800;line-height:1.4;color:var(--ink);letter-spacing:.5px}
.section-desc{margin-top:14px;font-size:15px;color:var(--muted)}

/* ---------- cards & grids ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tag{display:inline-block;font-size:12px;letter-spacing:.5px;color:var(--gold-deep);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.28);padding:4px 12px;border-radius:999px}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#12162e 0%,#1a1f3d 45%,#2a1d46 100%);color:#fff;padding:44px 0 64px}
.article-hero .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.2;filter:saturate(.9)}
.article-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 80% 8%,rgba(255,180,0,.16),transparent 62%),radial-gradient(700px 400px at 4% 92%,rgba(94,124,255,.18),transparent 65%)}
.hero-inner{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9aa3c4;margin-bottom:26px}
.crumb a{color:#c3cbe6;transition:color .2s}
.crumb a:hover{color:var(--gold)}
.crumb span{color:#5c648a}
.crumb em{font-style:normal;color:var(--gold)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-tag{display:inline-block;font-size:13px;letter-spacing:1.5px;color:var(--gold);border:1px solid rgba(255,180,0,.45);background:rgba(255,180,0,.1);padding:6px 16px;border-radius:999px}
.hero-title{font-size:clamp(26px,3.6vw,42px);font-weight:800;letter-spacing:.5px;margin-top:20px;line-height:1.32;color:#fff}
.hero-sub{font-size:15.5px;color:#c3cae4;line-height:1.95;margin-top:20px;max-width:660px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;font-size:13px;color:#9aa3c4}
.meta-row span{display:flex;align-items:center;gap:7px}
.meta-row span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none}
.hero-cover{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:12px;box-shadow:0 22px 50px rgba(6,9,26,.45)}
.hero-cover img{width:100%;border-radius:10px;aspect-ratio:16/10;object-fit:cover}
.hero-cover figcaption{margin-top:12px;font-size:12.5px;color:#9aa3c4;text-align:center;letter-spacing:.5px}

/* ---------- stat strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;box-shadow:var(--shadow)}
.stat-item{text-align:center;padding:6px 10px;border-right:1px dashed var(--line)}
.stat-item:last-child{border-right:0}
.stat-item strong{display:block;font-size:30px;font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:.5px}
.stat-item strong i{font-style:normal;font-size:16px;color:var(--gold-deep);margin-left:4px}
.stat-item span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}

/* ---------- article body ---------- */
.article-card{max-width:920px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:48px 54px}
.article-body{font-size:16.5px;line-height:2.05;color:#2b304a}
.article-body>*:first-child{margin-top:0}
.article-body h2{font-size:24px;font-weight:800;color:var(--ink);line-height:1.5;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--gold)}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink);line-height:1.6;margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:24px 0 10px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:10px}
.article-body li::marker{color:var(--gold-deep)}
.article-body img{border-radius:12px;margin:24px 0;box-shadow:var(--shadow)}
.article-body a{color:var(--gold-deep);border-bottom:1px solid rgba(201,134,0,.4);transition:color .2s}
.article-body a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.article-body blockquote{margin:26px 0;padding:18px 22px;background:rgba(255,180,0,.08);border-left:4px solid var(--gold);border-radius:0 12px 12px 0;color:#4a516e;font-size:15.5px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:#f3f5fc;color:var(--ink);font-weight:700}
.article-body strong{color:var(--ink)}
.empty-state{text-align:center;padding:30px 10px 10px}
.empty-state h2{font-size:22px;color:var(--ink);border:0;padding:0;margin:0 0 14px}
.empty-state p{color:var(--muted);margin-bottom:24px}

/* ---------- split points ---------- */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.split-head .section-title{text-align:left}
.split-head .section-desc{text-align:left}
.split-head .eyebrow{margin-bottom:16px}
.point-list{display:grid;gap:16px}
.point-item{display:flex;gap:16px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.point-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5)}
.point-num{flex:none;width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#ffe08a,#ffb400);color:#3a2600;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px}
.point-item h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px}
.point-item p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- rhythm table ---------- */
.table-wrap{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:10px 14px;overflow-x:auto}
.rhythm-table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px}
.rhythm-table th{text-align:left;color:var(--gold);font-weight:700;font-size:13px;letter-spacing:1px;padding:16px 14px;border-bottom:1px solid rgba(255,255,255,.14)}
.rhythm-table td{padding:16px 14px;color:#c6cde6;border-bottom:1px solid rgba(255,255,255,.08);line-height:1.75}
.rhythm-table tr:last-child td{border-bottom:0}
.rhythm-table tbody tr{transition:background .2s}
.rhythm-table tbody tr:hover{background:rgba(255,180,0,.07)}
.rhythm-table td:first-child{color:#fff;font-weight:600;white-space:nowrap}

/* ---------- media split ---------- */
.media-split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.media-split figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line);background:#fff}
.media-split img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.media-split figure:hover img{transform:scale(1.04)}
.media-body h2{font-size:clamp(21px,2.6vw,29px);font-weight:800;color:var(--ink);line-height:1.45}
.media-body p{margin-top:16px;font-size:15px;color:var(--muted);line-height:1.95}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
.mini-cell{background:#f7f8fd;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.mini-cell b{display:block;font-size:20px;color:var(--ink);font-weight:800}
.mini-cell span{font-size:12.5px;color:var(--muted)}

/* ---------- related cards ---------- */
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;height:100%}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rel-body{padding:20px 20px 24px}
.rel-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.rel-body p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85}
.rel-body .tag{margin-bottom:12px}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:0 12px 28px rgba(26,31,61,.1)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px;transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--gold-deep);font-weight:400;transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--gold-deep)}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-4px}
.faq-answer{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.95}

/* ---------- channel matrix ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{position:relative;display:block;padding:26px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55)}
.channel-card em{display:block;font-style:normal;font-size:12px;letter-spacing:2px;color:var(--gold-deep);font-weight:700;margin-bottom:10px}
.channel-card strong{display:block;font-size:18px;color:var(--ink);font-weight:800}
.channel-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85}
.channel-card span{display:inline-block;margin-top:16px;font-size:13.5px;font-weight:600;color:var(--gold-deep)}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(120deg,#161b38,#1a1f3d 48%,#2a1d46);border-radius:var(--radius-lg);padding:48px 44px;color:#fff;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%)}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);font-weight:800;line-height:1.45;position:relative;z-index:1}
.cta-band p{margin-top:12px;font-size:14.5px;color:#b7bfdc;max-width:620px;position:relative;z-index:1}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#a9b0cf;padding:56px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand strong{display:block;font-size:19px;color:#fff;font-weight:800;letter-spacing:.5px}
.footer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:4px;color:var(--gold);margin-top:6px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:#9aa3c4;max-width:420px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.footer-col a{display:block;font-size:14px;color:#9aa3c4;padding:6px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;padding-top:22px;font-size:13px;color:#7d86a8}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .split{grid-template-columns:1fr;gap:30px}
 .media-split{grid-template-columns:1fr;gap:30px}
 .stat-strip{grid-template-columns:repeat(2,1fr);gap:22px 12px}
 .stat-item:nth-child(2){border-right:0}
 .article-card{padding:38px 34px}
 .channel-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
 .nav-left,.nav-right{display:none}
 .nav-toggle{display:flex}
 .brand{align-items:flex-start;padding:0}
 .brand strong{font-size:16px}
 .brand span{letter-spacing:3px}
 .nav-wrap{height:66px}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .section{padding:56px 0}
 .article-hero{padding:32px 0 48px}
 .hero-title{font-size:26px}
 .hero-sub{font-size:14.5px}
 .article-card{padding:28px 22px;border-radius:var(--radius)}
 .article-body{font-size:15.5px;line-height:1.95}
 .article-body h2{font-size:20px;margin-top:30px}
 .article-body h3{font-size:17px}
 .grid-2,.grid-3{grid-template-columns:1fr}
 .channel-grid{grid-template-columns:1fr}
 .cta-band{padding:32px 24px}
 .footer-top{grid-template-columns:1fr;gap:28px}
 .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
 .stat-strip{grid-template-columns:1fr;padding:22px 18px}
 .stat-item{border-right:0;border-bottom:1px dashed var(--line);padding-bottom:16px}
 .stat-item:last-child{border-bottom:0;padding-bottom:0}
 .mini-grid{grid-template-columns:1fr}
 .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
 .hero-actions .btn,.cta-actions .btn{width:100%}
 .btn{padding:12px 20px;font-size:14.5px}
 .meta-row{font-size:12.5px}
 .point-item{padding:18px}
}

/* roulang page: category1 */
:root{
  --ink:#1a1f3d;
  --ink-soft:#252c57;
  --gold:#ffb400;
  --gold-deep:#c98600;
  --bg:#f5f6fb;
  --card:#ffffff;
  --text:#1d2133;
  --muted:#6c7389;
  --line:#e6e9f3;
  --radius:12px;
  --radius-lg:18px;
  --shadow:0 6px 20px rgba(26,31,61,.07);
  --shadow-lg:0 18px 44px rgba(26,31,61,.14);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p{margin:0}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(255,180,0,.7);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink);box-shadow:0 2px 20px rgba(10,14,35,.35)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px}
.nav-side{display:flex;align-items:center;gap:28px;flex:1;min-width:0}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;color:#ccd2e8;font-size:15px;font-weight:500;padding:8px 0;white-space:nowrap;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);transition:width .25s ease}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--gold);font-weight:600}
.nav-link.is-active::after{width:100%}
.brand{display:flex;flex-direction:column;align-items:center;line-height:1.15;white-space:nowrap;padding:0 10px}
.brand strong{font-size:19px;font-weight:800;letter-spacing:.5px;color:#fff}
.brand span{font-size:11px;letter-spacing:4px;color:var(--gold);margin-top:3px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.1);color:#fff;font-size:20px;line-height:1;align-items:center;justify-content:center}
.mobile-menu{display:none;background:var(--ink-soft);border-top:1px solid rgba(255,255,255,.08)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 24px;color:#d5d9ec;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-menu a.is-active{color:var(--gold);font-weight:600}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap}
.btn-gold{background:linear-gradient(135deg,#ffcf4d,#ffb400 55%,#e89700);color:#2b1d00;box-shadow:0 10px 22px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.44)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,180,0,.3)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.07)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 10px 22px rgba(26,31,61,.24)}
.btn-dark:hover{background:#2c3468;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:9px;box-shadow:0 6px 16px rgba(255,180,0,.26)}

/* ---------- category hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:linear-gradient(122deg,#111530 0%,#1a1f3d 48%,#2b1f47 100%);color:#fff;padding:34px 0 84px}
.cat-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.2;filter:saturate(.85)}
.cat-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(820px 380px at 82% 6%,rgba(255,180,0,.16),transparent 62%),radial-gradient(660px 380px at 4% 92%,rgba(90,122,255,.18),transparent 66%)}
.cat-hero-inner{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9aa3c6;flex-wrap:wrap}
.crumb a{color:#b9c1dd;transition:color .2s}
.crumb a:hover{color:var(--gold)}
.crumb span.sep{color:#5c6490}
.crumb strong{color:var(--gold);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:48px;align-items:start;margin-top:26px}
.hero-tag{display:inline-block;font-size:13px;letter-spacing:1.5px;color:var(--gold);border:1px solid rgba(255,180,0,.45);background:rgba(255,180,0,.1);padding:6px 16px;border-radius:999px}
.hero-title{font-size:clamp(27px,3.9vw,42px);font-weight:800;letter-spacing:.6px;margin-top:18px;line-height:1.28;color:#fff}
.hero-title em{font-style:normal;color:var(--gold)}
.hero-sub{font-size:15.5px;color:#c3cae4;line-height:1.95;max-width:620px;margin-top:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px}
.hero-points li{font-size:14px;color:#aeb6d4;display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);flex:none}
.hero-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-lg);padding:24px 24px 20px;backdrop-filter:blur(6px);box-shadow:0 22px 48px rgba(6,9,25,.35)}
.hero-panel-head{display:flex;align-items:center;gap:9px;font-size:13px;letter-spacing:1px;color:#c8cfea;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.12)}
.hero-panel-head .dot{width:8px;height:8px;border-radius:50%;background:#57e39b;box-shadow:0 0 0 4px rgba(87,227,155,.16)}
.node-mini li{display:grid;grid-template-columns:38px 1fr;gap:12px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.12)}
.node-mini li span{font-size:12.5px;font-weight:700;color:var(--gold);letter-spacing:1px;line-height:1.6}
.node-mini li b{display:block;font-size:14.5px;color:#fff;font-weight:600;line-height:1.5}
.node-mini li em{display:block;font-style:normal;font-size:12.5px;color:#9fa8ca;line-height:1.6}
.hero-panel-foot{display:flex;align-items:baseline;gap:10px;padding:16px 0 4px}
.hero-panel-foot strong{font-size:40px;font-weight:800;color:var(--gold);line-height:1;letter-spacing:1px}
.hero-panel-foot span{font-size:12.5px;color:#a9b0cf;letter-spacing:.5px}
.subscribe{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.subscribe input{flex:1 1 140px;min-width:0;padding:11px 14px;border-radius:9px;border:1px solid rgba(255,255,255,.2);background:rgba(8,12,28,.45);color:#fff;font-size:13.5px}
.subscribe input::placeholder{color:#8b93b6}
.subscribe .btn{padding:11px 16px;font-size:13.5px;border-radius:9px}
.subscribe-note{flex:1 1 100%;font-size:12px;color:#8f97ba;margin-top:2px}

/* ---------- sections ---------- */
.section{padding:78px 0}
.section--light{background:#fff}
.section--mist{background:var(--bg)}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin:0 auto 42px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:1px;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);padding:5px 15px;border-radius:999px;margin-bottom:14px}
.section-title{font-size:clamp(21px,2.7vw,30px);font-weight:800;line-height:1.42;color:var(--ink);letter-spacing:.4px}
.section-desc{margin-top:14px;font-size:15px;color:var(--muted)}
.head-left{text-align:left;margin:0 0 34px;max-width:720px}

/* ---------- stat strip ---------- */
.stat-wrap{position:relative;z-index:6;margin-top:-46px}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}
.stat{padding:26px 22px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:29px;font-weight:800;color:var(--ink);line-height:1.2;letter-spacing:.5px}
.stat b i{font-style:normal;font-size:16px;color:var(--gold-deep);margin-left:3px}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#d8ddee}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.05)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,21,48,0) 40%,rgba(17,21,48,.55) 100%)}
.card-body{padding:22px 22px 24px}
.card-body h3{font-size:17.5px;font-weight:700;color:var(--ink);line-height:1.5}
.card-body p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85}
.card-note{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:#8a90a8;display:flex;justify-content:space-between;gap:10px}
.card-note b{color:var(--gold-deep);font-weight:700}
.tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.5px;padding:4px 11px;border-radius:999px;background:rgba(26,31,61,.06);color:var(--ink-soft);border:1px solid rgba(26,31,61,.08)}
.tag-gold{background:rgba(255,180,0,.15);color:var(--gold-deep);border-color:rgba(255,180,0,.32)}
.card-media .tag{position:absolute;left:14px;top:14px;z-index:2;background:rgba(255,255,255,.94);border-color:rgba(255,255,255,.6);color:var(--ink)}

/* ---------- node timeline ---------- */
.node-list{border-top:1px solid var(--line)}
.node{display:grid;grid-template-columns:76px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);align-items:start}
.node-idx{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;color:#2b1d00;background:linear-gradient(135deg,#ffcf4d,#ffb400);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.node h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5}
.node p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.9;max-width:840px}
.node-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.compare-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 26px 22px;box-shadow:var(--shadow)}
.compare-col h3{font-size:17.5px;font-weight:700;display:flex;align-items:center;gap:10px;line-height:1.5}
.compare-col h3 .mark{width:10px;height:10px;border-radius:50%;flex:none}
.compare-col.is-on{border-color:rgba(255,180,0,.42);background:linear-gradient(180deg,#fffdf6,#ffffff 46%)}
.compare-col.is-on h3 .mark{background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
.compare-col.is-off h3 .mark{background:#b8bfd4;box-shadow:0 0 0 4px rgba(184,191,212,.2)}
.compare-col ul{margin-top:16px}
.compare-col li{position:relative;padding:11px 0 11px 22px;font-size:14.5px;color:#525a74;border-bottom:1px dashed var(--line);line-height:1.8}
.compare-col li:last-child{border-bottom:0}
.compare-col li::before{content:"";position:absolute;left:0;top:20px;width:7px;height:7px;border-radius:2px;background:var(--gold)}
.compare-col.is-off li::before{background:#c6ccdd}

/* ---------- scenes ---------- */
.scene{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column;height:100%}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.scene .scene-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.scene h3{font-size:17.5px;font-weight:700;color:var(--ink);line-height:1.5}
.scene p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.88;flex:1}
.scene .scene-foot{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:#8a90a8}
.scene .scene-foot b{color:var(--gold-deep)}

/* ---------- case band ---------- */
.case-band{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center}
.case-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.case-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.case-media .case-badge{position:absolute;left:18px;bottom:18px;background:rgba(15,19,42,.82);color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;letter-spacing:.5px;backdrop-filter:blur(4px)}
.case-media .case-badge b{color:var(--gold);font-size:16px;margin-left:4px}
.case-list{margin-top:22px}
.case-list li{display:grid;grid-template-columns:30px 1fr;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:#535b75;line-height:1.85}
.case-list li:last-child{border-bottom:0}
.case-list li b{color:var(--gold-deep);font-weight:800;font-size:13px;letter-spacing:1px;line-height:1.9}

/* ---------- channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel{display:block;position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.channel:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5)}
.channel .ch-no{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--gold-deep)}
.channel h3{margin-top:10px;font-size:19px;font-weight:800;color:var(--ink);line-height:1.45}
.channel p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85}
.channel .ch-go{margin-top:18px;font-size:13.5px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:7px}
.channel:hover .ch-go{color:var(--gold-deep)}
.channel.is-current{border-color:rgba(255,180,0,.62);box-shadow:0 16px 36px rgba(255,180,0,.18)}
.channel .ch-flag{position:absolute;right:20px;top:20px;font-size:12px;font-weight:700;color:var(--gold-deep);background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.34);padding:3px 10px;border-radius:999px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:0 22px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:rgba(255,180,0,.45);box-shadow:0 12px 28px rgba(26,31,61,.1)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 0;font-size:16px;font-weight:700;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--gold-deep);line-height:1;transition:transform .2s ease;flex:none}
.faq-item[open] summary::after{content:"−";transform:rotate(0deg)}
.faq-item p{padding:0 0 22px;font-size:14.5px;color:var(--muted);line-height:1.92;border-top:1px dashed var(--line);padding-top:16px}

/* ---------- claim ---------- */
.claim{position:relative;overflow:hidden;background:linear-gradient(135deg,#151a35 0%,#1a1f3d 46%,#2b2350 100%);color:#fff;border-radius:var(--radius-lg);padding:46px 44px;display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center;box-shadow:var(--shadow-lg)}
.claim::after{content:"";position:absolute;inset:0;background:radial-gradient(520px 260px at 88% 10%,rgba(255,180,0,.2),transparent 64%)}
.claim-text{position:relative;z-index:2}
.claim-text h2{font-size:clamp(21px,2.6vw,29px);font-weight:800;line-height:1.42;color:#fff}
.claim-text p{margin-top:14px;font-size:14.5px;color:#c3cae4;line-height:1.9;max-width:620px}
.claim-action{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;align-items:stretch}
.claim-action .btn{width:100%}
.claim-action small{font-size:12.5px;color:#9fa8ca;text-align:center;letter-spacing:.4px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#b9c0dc;padding:56px 0 24px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand strong{display:block;color:#fff;font-size:18px;font-weight:800;letter-spacing:.5px}
.footer-brand em{display:block;font-style:normal;color:var(--gold);letter-spacing:4px;font-size:11px;margin:8px 0 12px}
.footer-brand p{font-size:14px;color:#a3abc9;line-height:1.9;max-width:420px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 14px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:#b9c0dc;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;font-size:13px;color:#8d95b8}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-panel{max-width:640px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .case-band{grid-template-columns:1fr;gap:32px}
  .claim{grid-template-columns:1fr;padding:38px 30px}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:26px}
}
@media (max-width:960px){
  .nav-side{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{height:68px;justify-content:space-between}
  .brand{align-items:center;padding:0}
  .brand strong{font-size:17px}
  .cat-hero{padding:26px 0 72px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .grid-2,.grid-3,.channel-grid,.compare-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:20px 22px}
  .stat:last-child{border-bottom:0}
  .node{grid-template-columns:56px 1fr;gap:16px;padding:22px 0}
  .node-idx{width:44px;height:44px;border-radius:12px;font-size:15px}
  .footer-top{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
  .hero-panel{padding:20px}
  .claim{padding:32px 22px}
  .subscribe input,.subscribe .btn{flex:1 1 100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-title{font-size:26px}
  .hero-sub{font-size:14.5px}
  .btn{padding:12px 20px;font-size:14px}
  .hero-actions .btn{width:100%}
  .card-body{padding:18px}
  .section-title{font-size:20px}
  .stat b{font-size:25px}
  .hero-panel-foot strong{font-size:34px}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#252c57;
 --gold:#ffb400;
 --gold-deep:#c98600;
 --bg:#f5f6fb;
 --card:#ffffff;
 --text:#1d2133;
 --muted:#6c7389;
 --line:#e6e9f3;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 6px 20px rgba(26,31,61,.07);
 --shadow-lg:0 18px 44px rgba(26,31,61,.14);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 padding-bottom:78px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 color:var(--text);
 background:var(--bg);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink);box-shadow:0 2px 20px rgba(10,14,35,.35)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px}
.nav-side{display:flex;align-items:center;gap:28px;flex:1;min-width:0}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;color:#ccd2e8;font-size:15px;font-weight:500;padding:8px 0;white-space:nowrap;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);transition:width .25s ease}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--gold);font-weight:600}
.nav-link.is-active::after{width:100%}
.brand{display:flex;flex-direction:column;align-items:center;line-height:1.15;white-space:nowrap;padding:0 10px}
.brand strong{font-size:19px;font-weight:800;letter-spacing:.5px;color:#fff}
.brand span{font-size:11px;letter-spacing:4px;color:var(--gold);margin-top:3px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.1);color:#fff;font-size:20px;line-height:1;align-items:center;justify-content:center}
.mobile-menu{display:none;background:var(--ink-soft);border-top:1px solid rgba(255,255,255,.08)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 24px;color:#d5d9ec;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-menu a.is-active{color:var(--gold);font-weight:600}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap}
.btn-gold{background:linear-gradient(135deg,#ffcf4d,#ffb400 55%,#e89700);color:#2b1d00;box-shadow:0 10px 22px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.44)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,180,0,.3)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.07)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 10px 22px rgba(26,31,61,.24)}
.btn-dark:hover{background:#2c3468;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#12162e 0%,#1a1f3d 42%,#2a1d46 100%);color:#fff;padding:60px 0 72px}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.22;filter:saturate(.9)}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 78% 12%,rgba(255,180,0,.16),transparent 62%),radial-gradient(700px 400px at 8% 88%,rgba(94,124,255,.18),transparent 65%)}
.hero-inner{position:relative;z-index:2}
.hero-tag{display:inline-block;font-size:13px;letter-spacing:1.5px;color:var(--gold);border:1px solid rgba(255,180,0,.45);background:rgba(255,180,0,.1);padding:6px 16px;border-radius:999px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;margin-top:24px}
.hero-title{font-size:clamp(28px,4.2vw,46px);font-weight:800;letter-spacing:.5px;line-height:1.26;color:#fff}
.hero-title em{font-style:normal;color:var(--gold)}
.hero-sub{font-size:16px;color:#c9cee6;line-height:1.95;margin-top:20px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px}
.hero-points li{font-size:14px;color:#aeb6d4;display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);flex:none}

/* ---------- progress card ---------- */
.progress-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:0 24px 60px rgba(8,11,28,.45);backdrop-filter:blur(6px)}
.progress-card h2{font-size:15px;font-weight:600;color:#dfe3f2;letter-spacing:1px;text-align:center}
.ring{position:relative;width:142px;height:142px;margin:16px auto 6px}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:10}
.ring-track{stroke:rgba(255,255,255,.12)}
.ring-bar{stroke:var(--gold);stroke-linecap:round;filter:drop-shadow(0 0 6px rgba(255,180,0,.5))}
.ring-label{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-label strong{font-size:32px;font-weight:800;color:#fff;line-height:1}
.ring-label span{font-size:12px;color:#a9b0cf;margin-top:6px;letter-spacing:1px}
.progress-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0 16px}
.progress-stats li{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:10px 12px;font-size:12.5px;color:#a9b0cf}
.progress-stats li b{display:block;font-size:17px;color:#fff;font-weight:700;margin-bottom:2px}
.tier-list{display:grid;gap:9px;margin-bottom:18px}
.tier{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.5px;color:#c2c8e2;padding:9px 12px;border-radius:9px;background:rgba(255,255,255,.04);border-left:3px solid rgba(255,180,0,.55)}
.tier b{color:#fff;font-weight:700}
.tier span{color:#9ba3c4;font-size:12.5px}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section--light{background:#fff}
.section--mist{background:var(--bg)}
.section--ink{background:var(--ink);color:#dfe3f2}
.section--ink .section-title{color:#fff}
.section--ink .section-desc{color:#a9b0cf}
.section-head{max-width:800px;margin:0 auto 42px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:1px;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);padding:5px 15px;border-radius:999px;margin-bottom:14px}
.section--ink .eyebrow{color:var(--gold);background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.35)}
.section-title{font-size:clamp(22px,3vw,32px);font-weight:800;line-height:1.42;color:var(--ink);letter-spacing:.5px}
.section-desc{margin-top:14px;font-size:15px;color:var(--muted)}
.section-head--left{max-width:none;text-align:left;margin:0 0 34px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- grids & cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:22px 22px 24px}
.card-tag{display:inline-block;font-size:12px;font-weight:600;color:var(--gold-deep);background:rgba(255,180,0,.14);border-radius:999px;padding:3px 11px;margin-bottom:10px}
.card-title{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5}
.card-text{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85}
.card-meta{margin-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:#8b92a8;border-top:1px dashed var(--line);padding-top:12px}

/* ---------- feature ---------- */
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);position:relative;transition:transform .25s ease,box-shadow .25s ease}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature-idx{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#ffcf4d,#ffb400);color:#2b1d00;font-weight:800;font-size:15px;margin-bottom:14px}
.feature h3{font-size:17.5px;font-weight:700;color:var(--ink)}
.feature p{margin-top:9px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;gap:18px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,rgba(255,180,0,.7),rgba(255,180,0,.08))}
.tl-item{position:relative;padding-left:58px}
.tl-dot{position:absolute;left:8px;top:6px;width:24px;height:24px;border-radius:50%;background:var(--ink);border:3px solid var(--gold);box-shadow:0 0 0 5px rgba(255,180,0,.12)}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.tl-card h3{font-size:17px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tl-card h3 em{font-style:normal;font-size:12px;font-weight:600;color:var(--gold-deep);background:rgba(255,180,0,.14);padding:2px 10px;border-radius:999px}
.tl-card p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.85}
.tl-data{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.tl-data span{font-size:12.5px;color:#4d5473;background:#f3f5fc;border:1px solid var(--line);border-radius:8px;padding:4px 12px}

/* ---------- quote / social proof ---------- */
.quote{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.quote p{font-size:14.8px;color:#3a4160;line-height:1.9}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:16px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2c3468,#1a1f3d);color:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:none}
.quote-user b{display:block;font-size:14px;color:var(--ink)}
.quote-user small{color:#8b92a8;font-size:12.5px}

/* ---------- compare ---------- */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
.compare{font-size:14.5px}
.compare th,.compare td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare thead th{background:#f2f4fc;color:var(--ink);font-weight:700;font-size:14px}
.compare thead th.best{background:rgba(255,180,0,.16);color:var(--gold-deep)}
.compare td:first-child{font-weight:600;color:var(--ink);width:26%}
.compare tbody tr:last-child td{border-bottom:0}
.compare tbody tr:hover{background:#fafbff}
.compare .yes{color:#1f7a4d;font-weight:600}
.compare .no{color:#8b92a8}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:44px 40px;background:linear-gradient(120deg,#1a1f3d,#252c57 60%,#33224a);color:#fff;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(255,180,0,.28),transparent 68%)}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;line-height:1.45;position:relative;z-index:2}
.cta-band p{margin-top:12px;font-size:15px;color:#c2c8e2;max-width:720px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:2}
.guard{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;position:relative;z-index:2}
.guard span{font-size:12.5px;color:#c9cee6;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:5px 14px}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:0;transition:border-color .2s ease,box-shadow .2s ease}
.faq details[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-lg)}
.faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;font-weight:700;color:var(--gold-deep);transition:transform .25s ease;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.9}

/* ---------- fixed bar ---------- */
.fixed-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:rgba(26,31,61,.97);border-top:1px solid rgba(255,180,0,.3);box-shadow:0 -8px 26px rgba(10,14,35,.35);backdrop-filter:blur(8px);padding:10px 0}
.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.fixed-text{font-size:14px;color:#c2c8e2;line-height:1.5}
.fixed-text strong{color:var(--gold);font-weight:700;margin-right:6px}
.fixed-inner .btn{padding:11px 24px;font-size:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#b9c0da;padding:56px 0 0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand strong{display:block;font-size:19px;color:#fff;font-weight:800;letter-spacing:.5px}
.footer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:4px;color:var(--gold);margin:6px 0 14px}
.footer-brand p{font-size:14px;color:#9ba3c4;line-height:1.9;max-width:420px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px;letter-spacing:.5px}
.footer-col a{display:block;font-size:14px;color:#9ba3c4;padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;font-size:13px;color:#8b92a8}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .progress-card{max-width:520px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .footer-top{grid-template-columns:1fr 1fr;gap:32px}
 .footer-brand{grid-column:1/-1}
}
@media (max-width:900px){
 .nav-side{display:none}
 .nav-toggle{display:flex}
 .nav-wrap{height:68px}
 .brand{align-items:flex-start;padding:0}
 .brand strong{font-size:17px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .hero{padding:44px 0 56px}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
 .compare{font-size:13.5px}
 .compare th,.compare td{padding:12px 14px}
 .compare td:first-child{width:34%}
 .cta-band{padding:32px 24px}
 .section-head--left{flex-direction:column;align-items:flex-start}
 .fixed-text{font-size:13px}
 .footer-top{grid-template-columns:1fr}
}
@media (max-width:520px){
 .container{padding:0 18px}
 .hero-title{font-size:26px}
 .hero-actions .btn{width:100%}
 .progress-stats{grid-template-columns:1fr}
 .fixed-text span{display:none}
 .fixed-inner{gap:10px}
 .fixed-inner .btn{padding:10px 16px;font-size:13px}
 .footer-bottom{font-size:12px}
 body{padding-bottom:72px}
}

/* roulang page: category2 */
:root{
  --ink:#1a1f3d;
  --ink-soft:#252c57;
  --gold:#ffb400;
  --gold-deep:#c98600;
  --bg:#f5f6fb;
  --card:#ffffff;
  --text:#1d2133;
  --muted:#6c7389;
  --line:#e6e9f3;
  --radius:12px;
  --radius-lg:18px;
  --shadow:0 6px 20px rgba(26,31,61,.07);
  --shadow-lg:0 18px 44px rgba(26,31,61,.14);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
.page-body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
.page-body img{display:block;max-width:100%;height:auto}
.page-body a{color:inherit;text-decoration:none}
.page-body button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
.page-body ul,.page-body ol{margin:0;padding:0;list-style:none}
.page-body p{margin:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink);box-shadow:0 2px 20px rgba(10,14,35,.35)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px;position:relative}
.nav-side{display:flex;align-items:center;gap:28px;flex:1;min-width:0}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;color:#ccd2e8;font-size:15px;font-weight:500;padding:8px 0;white-space:nowrap;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);transition:width .25s ease}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--gold);font-weight:600}
.nav-link.is-active::after{width:100%}
.nav-link:focus-visible{outline:2px solid var(--gold);outline-offset:4px;border-radius:4px}
.brand{display:flex;flex-direction:column;align-items:center;line-height:1.15;white-space:nowrap;padding:0 10px}
.brand strong{font-size:19px;font-weight:800;letter-spacing:.5px;color:#fff}
.brand span{font-size:11px;letter-spacing:4px;color:var(--gold);margin-top:3px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.1);color:#fff;font-size:20px;line-height:1;align-items:center;justify-content:center}
.nav-toggle:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.mobile-menu{display:none;background:var(--ink-soft);border-top:1px solid rgba(255,255,255,.08)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 24px;color:#d5d9ec;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-menu a.is-active{color:var(--gold);font-weight:600}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap}
.btn-gold{background:linear-gradient(135deg,#ffcf4d,#ffb400 55%,#e89700);color:#2b1d00;box-shadow:0 10px 22px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.44)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,180,0,.3)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.07)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:3px}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#12162e 0%,#1a1f3d 46%,#2a1d46 100%);color:#fff;padding:70px 0 82px}
.cat-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.2;filter:saturate(.85)}
.cat-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(880px 420px at 80% 10%,rgba(255,180,0,.16),transparent 62%),radial-gradient(680px 380px at 6% 90%,rgba(94,124,255,.18),transparent 66%)}
.cat-hero__inner{position:relative;z-index:2}
.cat-hero__grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.hero-tag{display:inline-block;font-size:13px;letter-spacing:1.4px;color:var(--gold);border:1px solid rgba(255,180,0,.45);background:rgba(255,180,0,.1);padding:6px 16px;border-radius:999px}
.cat-hero__title{font-size:clamp(28px,4.2vw,44px);font-weight:800;letter-spacing:.5px;margin:20px 0 0;line-height:1.28;color:#fff}
.cat-hero__title em{font-style:normal;color:var(--gold)}
.cat-hero__sub{margin-top:18px;font-size:16px;color:#c9cee6;line-height:1.95;max-width:620px}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cat-hero__points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px}
.cat-hero__points li{font-size:14px;color:#aeb6d4;display:flex;align-items:center;gap:8px}
.cat-hero__points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);flex:none}

.rhythm-board{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:26px 24px;backdrop-filter:blur(6px);box-shadow:0 20px 50px rgba(6,9,26,.45)}
.rhythm-board__head{text-align:center;padding-bottom:18px;border-bottom:1px dashed rgba(255,180,0,.35)}
.rhythm-board__label{display:inline-block;font-size:12px;letter-spacing:1.6px;color:var(--gold);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);padding:4px 12px;border-radius:999px}
.rhythm-board__num{display:block;font-size:46px;line-height:1.05;font-weight:800;color:var(--gold);letter-spacing:1.5px;margin-top:14px}
.rhythm-board__num i{font-style:normal;font-size:18px;margin-left:6px;color:#ffd267;letter-spacing:0}
.rhythm-board__head em{display:block;font-style:normal;font-size:12.5px;color:#a9b0cf;margin-top:8px;letter-spacing:.5px}
.rhythm-row{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13.5px;color:#c3c9e2}
.rhythm-row > span{width:44px;flex:none}
.rhythm-row .bar{flex:1;height:8px;border-radius:99px;background:rgba(255,255,255,.14);overflow:hidden}
.rhythm-row .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#ffcf4d,#ffb400)}
.rhythm-row b{width:44px;text-align:right;color:#fff;font-weight:600;font-size:13px}
.rhythm-meta{margin-top:20px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.18);display:grid;gap:9px}
.rhythm-meta li{display:flex;justify-content:space-between;font-size:13px;color:#a9b0cf}
.rhythm-meta li b{color:#fff;font-weight:600}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section--light{background:#fff}
.section--mist{background:var(--bg)}
.section--ink{background:linear-gradient(125deg,#161b35,#1a1f3d 55%,#241c40);color:#dfe3f2}
.section--ink .section-title{color:#fff}
.section--ink .section-desc{color:#a9b0cf}
.section-head{max-width:820px;margin-bottom:42px}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center}
.section-head__row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:1px;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);padding:5px 15px;border-radius:999px;margin-bottom:14px}
.section--ink .eyebrow{color:var(--gold);background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.35)}
.section-title{font-size:clamp(22px,3vw,32px);font-weight:800;line-height:1.4;color:var(--ink);letter-spacing:.5px;margin:0}
.section-desc{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.9}

/* ---------- stats ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat-item strong{display:block;font-size:30px;font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:.5px}
.stat-item strong i{font-style:normal;font-size:15px;color:var(--gold-deep);margin-left:4px;font-weight:700}
.stat-item span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}

/* ---------- grids & cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 26px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45)}
.card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.card__title{font-size:19px;font-weight:800;color:var(--ink);margin:0 0 6px;line-height:1.5}
.card__range{display:block;font-size:13px;color:var(--gold-deep);font-weight:700;letter-spacing:.4px}
.card__text{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.95}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--gold);font-weight:800;font-size:17px;letter-spacing:.5px;flex:none}
.tag{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.4px;padding:4px 12px;border-radius:999px;background:rgba(26,31,61,.06);color:var(--ink-soft);border:1px solid var(--line)}
.tag--gold{background:rgba(255,180,0,.14);color:var(--gold-deep);border-color:rgba(255,180,0,.35)}

/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.split__media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.split__media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease}
.split__media:hover img{transform:scale(1.04)}
.split__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,25,55,0) 40%,rgba(20,25,55,.62) 100%)}
.split__caption{position:absolute;left:22px;right:22px;bottom:20px;z-index:2;color:#fff}
.split__caption strong{display:block;font-size:17px;font-weight:700}
.split__caption span{display:block;font-size:13px;color:#c8cee6;margin-top:4px}
.list-check{margin-top:22px;display:grid;gap:14px}
.list-check li{display:flex;gap:12px;font-size:14.5px;color:var(--muted);line-height:1.85}
.list-check li::before{content:"";flex:none;width:9px;height:9px;margin-top:9px;border-radius:50%;background:linear-gradient(135deg,#ffcf4d,#ffb400);box-shadow:0 0 0 4px rgba(255,180,0,.14)}
.list-check li b{color:var(--ink);font-weight:700}
.split__meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.compare__panel{border-radius:var(--radius-lg);padding:30px 28px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.compare__panel--ok{border-top:4px solid var(--gold)}
.compare__panel--warn{border-top:4px solid #6c7389;background:#fbfbfe}
.compare__panel h3{font-size:18px;font-weight:800;color:var(--ink);margin:0 0 6px}
.compare__panel p.compare__lead{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.compare__list{display:grid;gap:14px}
.compare__list li{position:relative;padding-left:26px;font-size:14.5px;color:#4a5170;line-height:1.85}
.compare__list li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px}
.compare__panel--ok .compare__list li::before{background:linear-gradient(135deg,#ffcf4d,#ffb400)}
.compare__panel--warn .compare__list li::before{background:#c9cee0}
.compare__list li b{color:var(--ink)}

/* ---------- cases ---------- */
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.case-card__img{width:100%;aspect-ratio:16/9;object-fit:cover}
.case-card__body{padding:22px 22px 24px}
.case-card__meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:10px}
.case-card__score{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.case-card__score i{font-style:normal;color:var(--gold-deep);margin:0 6px;font-weight:700}
.case-card__quote{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.9;border-left:3px solid rgba(255,180,0,.5);padding-left:14px}
.case-card__who{margin-top:16px;font-size:13px;color:var(--ink-soft);font-weight:600}

/* ---------- channel matrix ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-card{display:block;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:28px 26px;transition:transform .22s ease,background .22s ease,border-color .22s ease}
.channel-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.5)}
.channel-card__idx{font-size:12px;letter-spacing:2px;color:var(--gold);font-weight:700}
.channel-card h3{font-size:19px;font-weight:800;color:#fff;margin:10px 0 8px}
.channel-card p{font-size:14px;color:#a9b0cf;line-height:1.85}
.channel-card__go{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:13.5px;font-weight:600;color:var(--gold)}
.channel-card--current{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.08)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow);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:rgba(255,180,0,.45)}
.news-tag{align-self:flex-start;font-size:12px;font-weight:600;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);padding:3px 11px;border-radius:999px}
.news-title{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.6;margin:0}
.news-desc{font-size:13.5px;color:var(--muted);line-height:1.85}
.news-date{font-size:12.5px;color:#9aa1b8;margin-top:auto;padding-top:6px}
.news-empty{font-size:14.5px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:32px 24px;text-align:center}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:rgba(255,180,0,.45);box-shadow:var(--shadow-lg)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:none;width:26px;height:26px;border-radius:50%;background:rgba(255,180,0,.16);color:var(--gold-deep);font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:transform .25s ease,background .25s ease}
.faq-item[open] summary::after{content:"−";background:var(--gold);color:#2b1d00;transform:rotate(180deg)}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-4px}
.faq-body{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.95}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,#1a1f3d,#2a1d46 70%,#3a2352);color:#fff;padding:64px 0}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(620px 300px at 82% 20%,rgba(255,180,0,.2),transparent 65%)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;margin:0;line-height:1.42;color:#fff}
.cta-inner p{margin-top:12px;font-size:14.5px;color:#b9c0da;line-height:1.9;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#a9b0cf;padding:60px 0 28px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand strong{display:block;font-size:19px;font-weight:800;color:#fff;letter-spacing:.5px}
.footer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:4px;color:var(--gold);margin-top:6px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:#9aa2bd;max-width:380px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px}
.footer-col a{display:block;font-size:14px;color:#9aa2bd;padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:#7d85a3}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .cat-hero__grid{grid-template-columns:1fr;gap:36px}
  .split{grid-template-columns:1fr;gap:32px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .grid-3,.channel-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .nav-side{display:none}
  .nav-toggle{display:flex;position:absolute;right:24px;top:50%;transform:translateY(-50%)}
  .nav-wrap{justify-content:center}
  .brand strong{font-size:17px}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .cat-hero{padding:52px 0 62px}
  .compare{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .grid-3,.channel-grid,.news-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .section-head__row{flex-direction:column;align-items:flex-start}
  .rhythm-board__num{font-size:38px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .stat-strip{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .cat-hero__actions .btn,.cta-actions .btn{width:100%}
  .btn{padding:12px 20px}
  .card,.compare__panel,.channel-card{padding:22px 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}