/* roulang page: index */
:root{
  --brand:#0e4738;
  --brand-deep:#0a3227;
  --brand-soft:#17685a;
  --gold:#c19242;
  --gold-soft:#e6cd9b;
  --bg:#f7f5ef;
  --surface:#ffffff;
  --ink:#14231f;
  --ink-soft:#31423b;
  --muted:#6b766d;
  --line:#e4dfd3;
  --line-strong:#d5cec0;
  --radius-lg:16px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(20,35,31,.06);
  --shadow-md:0 10px 26px rgba(20,35,31,.10);
  --shadow-hover:0 16px 34px rgba(20,35,31,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.78;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:.2px}
p{margin:0}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid rgba(193,146,66,.65);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(20,35,31,.09)}
.nav-inner{display:flex;align-items:center;gap:16px;height:64px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--brand-deep);white-space:nowrap;letter-spacing:.4px}
.logo-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(140deg,var(--brand),var(--brand-soft));display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;letter-spacing:1px;flex:0 0 auto}
.logo:hover .logo-mark{background:linear-gradient(140deg,var(--brand-deep),var(--brand))}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-soft);transition:background .18s ease,color .18s ease}
.nav-link:hover{background:#eef2ee;color:var(--brand)}
.nav-link.active{color:var(--brand);background:#e8f0ec;box-shadow:inset 0 -2px 0 var(--gold)}
.caret{width:8px;height:8px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-1px);opacity:.6}
.dropdown{position:absolute;top:calc(100% + 10px);left:0;min-width:246px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 42px rgba(20,35,31,.14);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s ease,transform .18s ease,visibility .18s}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 12px;border-radius:8px;font-size:13.5px;color:var(--ink-soft);transition:background .16s ease,color .16s ease}
.dropdown a:hover{background:#f1f5f1;color:var(--brand)}
.dropdown .drop-title{font-size:11.5px;font-weight:800;letter-spacing:1.4px;color:var(--muted);padding:8px 12px 4px;text-transform:uppercase}
.nav-cta{margin-left:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-strong);align-items:center;justify-content:center;margin-left:auto;background:#fff}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;padding:11px 20px;border-radius:9px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap}
.btn-primary{background:var(--gold);color:#2a1f07;box-shadow:0 6px 16px rgba(193,146,66,.32)}
.btn-primary:hover{background:#d0a04d;transform:translateY(-2px);box-shadow:0 12px 24px rgba(193,146,66,.38)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(193,146,66,.3)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,71,56,.26)}
.btn-brand:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(14,71,56,.3)}
.btn-ghost{background:transparent;color:#eaf2ed;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.75);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{padding:8px 15px;font-size:13px}

/* ---------- shared ---------- */
.section{padding:66px 0;position:relative}
.section.tint{background:var(--bg)}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:30px;flex-wrap:wrap}
.section-head .head-main{max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1.8px;color:var(--gold);text-transform:uppercase;margin-bottom:10px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.section-title{font-size:26px;color:var(--brand-deep)}
.section-desc{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8;max-width:760px}
.link-more{font-size:13.5px;font-weight:700;color:var(--brand);border-bottom:2px solid var(--gold-soft);padding-bottom:2px;transition:color .18s ease,border-color .18s ease}
.link-more:hover{color:var(--gold);border-color:var(--gold)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--brand-deep)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(115deg,rgba(10,50,39,.96) 0%,rgba(10,50,39,.88) 42%,rgba(14,71,56,.62) 100%),url('/assets/images/7ecf051add79165f.webp');background-size:cover;background-position:center;z-index:0}
.hero::after{content:"";position:absolute;right:-160px;top:-120px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(193,146,66,.22),transparent 68%);z-index:0}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center;padding:74px 0 68px}
.hero-brand{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 8px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);font-size:12.5px;font-weight:700;letter-spacing:.8px;color:#f0e6d2;margin-bottom:20px}
.hero-brand .dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(193,146,66,.25)}
.hero h1{font-size:40px;line-height:1.24;letter-spacing:.5px;margin-bottom:18px}
.hero h1 .hl{color:var(--gold-soft)}
.hero-lead{font-size:15px;line-height:1.85;color:rgba(240,244,241,.86);max-width:640px}
.hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:700;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#e9efe9}
.tag-solid{background:rgba(193,146,66,.16);border-color:rgba(193,146,66,.45);color:var(--gold-soft)}
.tag-muted{background:#eef2ee;border-color:var(--line);color:var(--brand)}

/* tier panel */
.tier-panel{display:grid;gap:12px}
.tier{position:relative;border-radius:var(--radius);padding:16px 18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(6px);transition:transform .2s ease,background .2s ease,border-color .2s ease}
.tier:hover{transform:translateY(-3px);background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.38)}
.tier-name{font-size:11.5px;font-weight:800;letter-spacing:1.6px;color:var(--gold-soft)}
.tier h3{font-size:16px;margin:6px 0 6px;color:#fff}
.tier p{font-size:13px;line-height:1.7;color:rgba(238,244,240,.82)}
.tier-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tier-list li{font-size:11.5px;padding:3px 9px;border-radius:999px;background:rgba(255,255,255,.12);color:#e7eee9}
.tier.featured{background:#fff;border-color:var(--gold);box-shadow:0 20px 44px rgba(0,0,0,.28);transform:translateY(-2px)}
.tier.featured:hover{transform:translateY(-5px)}
.tier.featured .tier-name{color:var(--gold)}
.tier.featured h3{color:var(--brand-deep)}
.tier.featured p{color:var(--muted)}
.tier.featured .tier-list li{background:#f1f5f1;color:var(--brand)}
.tier-badge{position:absolute;top:-11px;right:16px;background:var(--gold);color:#2a1f07;font-size:11px;font-weight:800;letter-spacing:1px;padding:4px 11px;border-radius:999px;box-shadow:0 6px 14px rgba(193,146,66,.4)}
.tier .btn{margin-top:12px;width:100%}

/* ---------- quick find ---------- */
.quickfind{background:var(--surface);border-bottom:1px solid var(--line);padding:34px 0}
.qf-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:34px;align-items:center}
.qf-title{font-size:19px;color:var(--brand-deep);margin-bottom:8px}
.qf-desc{font-size:13.5px;color:var(--muted)}
.search-form{display:flex;gap:10px;background:#f4f5f0;border:1px solid var(--line);border-radius:12px;padding:8px;transition:border-color .2s ease,box-shadow .2s ease}
.search-form:focus-within{border-color:var(--brand-soft);box-shadow:0 0 0 4px rgba(23,104,90,.12)}
.search-form input{flex:1;border:none;background:transparent;font-size:14px;padding:9px 12px;color:var(--ink);outline:none;min-width:0}
.search-form input::placeholder{color:#98a09a}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.chip{font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;background:#fff;border:1px solid var(--line-strong);color:var(--ink-soft);transition:all .18s ease}
.chip:hover{border-color:var(--brand-soft);color:var(--brand);background:#eef4f0;transform:translateY(-1px)}

/* ---------- category matrix ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--gold-soft)}
.cat-ico{width:44px;height:44px;border-radius:12px;background:#eef4f0;display:grid;place-items:center;color:var(--brand);margin-bottom:16px}
.cat-ico svg{width:22px;height:22px}
.cat-card h3{font-size:17.5px;color:var(--brand-deep);margin-bottom:9px}
.cat-card p{font-size:13.5px;color:var(--muted);line-height:1.78;flex:1}
.cat-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;border-top:1px dashed var(--line)}
.cat-count{font-size:12px;color:var(--muted);font-weight:600}
.cat-link{font-size:13px;font-weight:800;color:var(--brand)}
.cat-link:hover{color:var(--gold)}

/* ---------- metrics ---------- */
.metrics{background:var(--brand-deep);color:#fff;padding:44px 0}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{padding:6px 18px;border-left:1px solid rgba(255,255,255,.16)}
.metric:first-child{border-left:none;padding-left:0}
.metric-num{font-size:30px;font-weight:800;color:var(--gold-soft);letter-spacing:.5px;line-height:1.2}
.metric-num small{font-size:14px;font-weight:700;color:rgba(255,255,255,.7);margin-left:4px}
.metric-label{font-size:13px;color:rgba(240,244,241,.78);margin-top:4px}

/* ---------- picks ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--gold-soft)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:#e9ece6}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.05)}
.card-media.placeholder{display:grid;place-items:center;background:linear-gradient(140deg,#eef4f0,#e3ece6);color:var(--brand);}
.card-media.placeholder svg{width:40px;height:40px;opacity:.7}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:8px}
.card-body p{font-size:13px;color:var(--muted);line-height:1.75;flex:1}
.card-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}
.mini-tag{font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:6px;background:#f1f5f1;color:var(--brand-soft)}
.card-foot{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:12.5px;font-weight:700;color:var(--brand)}

/* ---------- capability ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cap{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.cap:hover{border-color:var(--brand-soft);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.cap-ico{width:38px;height:38px;flex:0 0 auto;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center}
.cap-ico svg{width:19px;height:19px}
.cap h4{font-size:14.5px;color:var(--brand-deep);margin-bottom:5px}
.cap p{font-size:12.8px;color:var(--muted);line-height:1.7}

/* ---------- latest / post cards ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--gold-soft)}
.post-cat{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.6px;color:var(--brand);background:#eef4f0;padding:3px 10px;border-radius:6px;margin-bottom:12px;align-self:flex-start}
.post-card h3{font-size:15px;color:var(--brand-deep);line-height:1.5;margin-bottom:8px}
.post-card h3 a:hover{color:var(--gold)}
.post-card p{font-size:13px;color:var(--muted);line-height:1.72;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:12px;color:#8b948d}
.empty-tip{grid-column:1/-1;text-align:center;padding:36px 20px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);font-size:14px;background:var(--bg)}

/* ---------- ranking ---------- */
.rank-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.rank-row{display:grid;grid-template-columns:56px 1.5fr 1fr 1fr 1fr;gap:14px;align-items:center;padding:15px 22px;border-bottom:1px solid var(--line);transition:background .18s ease}
.rank-row:last-child{border-bottom:none}
.rank-row:hover{background:#f6f8f4}
.rank-row.head{background:#f1f5f1;font-size:12px;font-weight:800;letter-spacing:.8px;color:var(--muted);padding:12px 22px}
.rank-no{font-size:15px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums}
.rank-name{font-size:14px;font-weight:700;color:var(--brand-deep)}
.rank-cell{font-size:13px;color:var(--muted)}
.rank-up{color:#1c7a5c;font-weight:700}
.rank-flat{color:#8b948d}

/* ---------- library ---------- */
.lib-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center}
.lib-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.lib-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.lib-list{display:grid;gap:12px}
.lib-item{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.lib-item:hover{border-color:var(--gold-soft);transform:translateX(3px);box-shadow:var(--shadow)}
.lib-no{font-size:12px;font-weight:800;color:#fff;background:var(--brand);width:24px;height:24px;border-radius:7px;display:grid;place-items:center;flex:0 0 auto;margin-top:2px}
.lib-item h4{font-size:14px;color:var(--brand-deep);margin-bottom:4px}
.lib-item p{font-size:12.8px;color:var(--muted);line-height:1.68}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;position:relative;overflow:hidden}
.scene::after{content:"";position:absolute;right:-30px;bottom:-30px;width:90px;height:90px;border-radius:50%;background:rgba(23,104,90,.06)}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--gold-soft)}
.scene h4{font-size:15px;color:var(--brand-deep);margin-bottom:8px;position:relative;z-index:1}
.scene p{font-size:12.9px;color:var(--muted);line-height:1.72;position:relative;z-index:1}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative;transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-no{font-size:12px;font-weight:800;letter-spacing:1.4px;color:var(--gold);margin-bottom:10px}
.step h4{font-size:15.5px;color:var(--brand-deep);margin-bottom:8px}
.step p{font-size:13px;color:var(--muted);line-height:1.74}

/* ---------- compare ---------- */
.compare{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.cmp-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:16px;padding:16px 24px;border-bottom:1px solid var(--line);align-items:start}
.cmp-row:last-child{border-bottom:none}
.cmp-row.head{background:var(--brand-deep);color:#fff;font-size:13px;font-weight:800;letter-spacing:.6px;padding:14px 24px}
.cmp-row.head .cmp-col-2{color:rgba(255,255,255,.72)}
.cmp-row.head .cmp-col-3{color:var(--gold-soft)}
.cmp-key{font-size:13.8px;font-weight:700;color:var(--brand-deep)}
.cmp-col-2{font-size:13px;color:var(--muted)}
.cmp-col-3{font-size:13px;color:var(--ink-soft);font-weight:600}

/* ---------- news ---------- */
.news-wrap{display:grid;grid-template-columns:1.55fr .95fr;gap:28px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.news-item:hover{border-color:var(--gold-soft);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.news-item h3{font-size:15px;color:var(--brand-deep);margin-bottom:6px}
.news-item p{font-size:13px;color:var(--muted);line-height:1.7}
.news-meta{display:flex;gap:12px;align-items:center;margin-top:10px;font-size:12px;color:#8b948d}
.side-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.side-panel h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list{display:grid;gap:14px}
.side-item{display:block;padding-left:14px;position:relative;transition:transform .18s ease}
.side-item::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--gold-soft)}
.side-item:hover{transform:translateX(3px)}
.side-item h4{font-size:13.5px;color:var(--ink-soft);line-height:1.6;margin-bottom:4px}
.side-item:hover h4{color:var(--brand)}
.side-item time{font-size:11.5px;color:#98a09a}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.voice{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.voice:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.voice p{font-size:13.5px;color:var(--ink-soft);line-height:1.8}
.voice-by{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(140deg,var(--brand),var(--brand-soft));color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800}
.voice-by span{font-size:12.5px;color:var(--muted);font-weight:600}

/* ---------- faq ---------- */
.faq-wrap{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:4px 20px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--gold-soft);box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 26px 16px 0;font-size:14.5px;font-weight:700;color:var(--brand-deep);position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:18px;font-weight:700;color:var(--gold);transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item p{font-size:13.5px;color:var(--muted);line-height:1.82;padding:0 0 18px}

/* ---------- save bar ---------- */
.savebar{background:linear-gradient(120deg,var(--brand-deep),var(--brand));color:#fff;border-radius:var(--radius-lg);padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;box-shadow:0 18px 40px rgba(10,50,39,.24)}
.savebar h3{font-size:20px;margin-bottom:8px}
.savebar p{font-size:13.5px;color:rgba(240,244,241,.82);max-width:620px;line-height:1.78}
.savebar .save-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#0b271f;color:#c9d5cd;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .logo-mark{background:linear-gradient(140deg,var(--gold),#8f6c2b);color:#2a1f07}
.footer-desc{font-size:13px;line-height:1.8;color:#93a49a;max-width:330px}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:1.2px;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13px;color:#93a49a;transition:color .18s ease}
.footer-col a:hover{color:var(--gold-soft)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#7d8e84}
.footer-bottom a:hover{color:var(--gold-soft)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:56px 0 54px}
  .hero h1{font-size:32px}
  .cat-grid,.pick-grid,.scene-grid{grid-template-columns:repeat(2,1fr)}
  .cap-grid,.post-grid,.voice-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .metric:nth-child(3){border-left:none;padding-left:0}
  .qf-wrap,.lib-wrap,.news-wrap{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-toggle{display:grid}
  .nav-list{
    position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 16px 18px;display:none;
    box-shadow:0 22px 34px rgba(20,35,31,.14);margin-left:0;
  }
  body.nav-open .nav-list{display:flex}
  .nav-link{display:flex;justify-content:space-between;padding:12px 10px;font-size:14.5px;border-radius:8px}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0 0 4px 12px;display:block;min-width:0}
  .dropdown .drop-title{display:none}
  .dropdown a{padding:9px 10px;font-size:13px;background:#f6f8f4;margin-bottom:6px}
  .nav-cta{display:none}
  .caret{display:none}
  .section{padding:50px 0}
  .section-title{font-size:22px}
  .rank-row{grid-template-columns:44px 1.4fr 1fr;gap:10px;padding:13px 16px}
  .rank-row .rank-cell:nth-child(4),.rank-row .rank-cell:nth-child(5){display:none}
  .rank-row.head .rank-cell:nth-child(4),.rank-row.head .rank-cell:nth-child(5){display:none}
  .cmp-row{grid-template-columns:1fr;gap:6px;padding:16px 18px}
  .cmp-row.head{display:none}
  .savebar{padding:26px 22px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .logo{font-size:14.5px}
  .logo-mark{width:28px;height:28px;border-radius:9px;font-size:11px}
  .hero h1{font-size:26px;line-height:1.3}
  .hero-lead{font-size:14px}
  .hero-actions .btn{flex:1 1 auto}
  .cat-grid,.pick-grid,.cap-grid,.post-grid,.voice-grid,.steps,.scene-grid,.metric-grid{grid-template-columns:1fr}
  .metric{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:14px}
  .metric:first-child{border-top:none;padding-top:0}
  .section-head{margin-bottom:22px}
  .news-item,.post-card,.cat-card{padding:18px}
  .savebar h3{font-size:18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .search-form{flex-direction:column}
  .search-form .btn{width:100%}
}

/* roulang page: article */
:root{
 --brand:#0e4738;
 --brand-deep:#0a3227;
 --brand-soft:#17685a;
 --gold:#c19242;
 --gold-soft:#e6cd9b;
 --bg:#f7f5ef;
 --surface:#ffffff;
 --ink:#14231f;
 --ink-soft:#31423b;
 --muted:#6b766d;
 --line:#e4dfd3;
 --line-strong:#d5cec0;
 --radius-lg:16px;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 2px 10px rgba(20,35,31,.06);
 --shadow-md:0 10px 26px rgba(20,35,31,.10);
 --shadow-hover:0 16px 34px rgba(20,35,31,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:15px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(20,35,31,.09)}
.nav-inner{display:flex;align-items:center;gap:16px;height:64px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--brand-deep);white-space:nowrap;letter-spacing:.4px}
.logo-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(140deg,var(--brand),var(--brand-soft));display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;letter-spacing:1px;flex:0 0 auto}
.logo:hover .logo-mark{background:linear-gradient(140deg,var(--brand-deep),var(--brand))}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-soft);transition:background .18s ease,color .18s ease}
.nav-link:hover{background:#eef2ee;color:var(--brand)}
.nav-link.active{color:var(--brand);background:#e8f0ec;box-shadow:inset 0 -2px 0 var(--gold)}
.caret{width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);display:inline-block;opacity:.7}
.dropdown{position:absolute;top:calc(100% + 2px);left:0;min-width:224px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-md);padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease;z-index:90}
.dropdown::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 12px;border-radius:8px;font-size:13.5px;color:var(--ink-soft);transition:background .16s ease,color .16s ease}
.dropdown a:hover{background:#f1f5f1;color:var(--brand)}
.dropdown .drop-title{font-size:11.5px;font-weight:800;letter-spacing:1.4px;color:var(--muted);padding:8px 12px 4px;text-transform:uppercase}
.nav-cta{margin-left:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-strong);align-items:center;justify-content:center;margin-left:auto;background:#fff}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;padding:11px 20px;border-radius:9px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap}
.btn-primary{background:var(--gold);color:#2a1f07;box-shadow:0 6px 16px rgba(193,146,66,.32)}
.btn-primary:hover{background:#d0a04d;transform:translateY(-2px);box-shadow:0 12px 24px rgba(193,146,66,.38)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(193,146,66,.3)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,71,56,.26)}
.btn-brand:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(14,71,56,.3)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#eaf2ed;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.75);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{padding:8px 15px;font-size:13px}

/* ---------- shared ---------- */
.section{padding:66px 0;position:relative}
.section.tint{background:var(--bg)}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:30px;flex-wrap:wrap}
.section-head .head-main{max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1.8px;color:var(--gold);text-transform:uppercase;margin-bottom:10px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.section-title{font-size:26px;color:var(--brand-deep);line-height:1.35}
.section-desc{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:700;background:#eef2ee;color:var(--brand);border:1px solid #dfe9e2}
.tag-gold{background:#fbf3e3;color:#8b6520;border-color:#eddcbb}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;color:#fff;background:var(--brand-deep)}
.article-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(112deg,rgba(10,50,39,.96) 0%,rgba(10,50,39,.9) 46%,rgba(14,71,56,.66) 100%),url('/assets/images/7ecf051add79165f.webp');background-size:cover;background-position:center;z-index:0}
.article-hero::after{content:"";position:absolute;right:-160px;top:-140px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(193,146,66,.24),transparent 68%);z-index:0}
.article-hero .container{position:relative;z-index:1;padding-top:44px;padding-bottom:52px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:rgba(240,235,222,.72);margin-bottom:20px}
.breadcrumb a{color:rgba(240,235,222,.88)}
.breadcrumb a:hover{color:var(--gold-soft)}
.breadcrumb .sep{opacity:.5}
.article-hero h1{font-size:34px;line-height:1.32;letter-spacing:.3px;margin-bottom:16px;max-width:900px}
.hero-lead{font-size:14.8px;line-height:1.85;color:rgba(243,239,228,.9);max-width:820px;margin-bottom:22px}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.8px;color:rgba(240,235,222,.78)}
.meta-chip{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-weight:600}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.hero-tags .tag{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);color:#f4ecdb}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:42px;align-items:start}
.article-main{min-width:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 28px}
.article-body{font-size:15.5px;line-height:1.88;color:var(--ink-soft)}
.article-body>*:first-child{margin-top:0}
.article-body h2{font-size:22px;line-height:1.45;color:var(--brand-deep);margin:34px 0 14px;padding-left:14px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:var(--gold)}
.article-body h3{font-size:17.5px;color:var(--brand);margin:26px 0 10px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin:6px 0}
.article-body strong{color:var(--brand-deep);font-weight:800}
.article-body em{color:var(--brand-soft);font-style:normal;font-weight:700}
.article-body blockquote{margin:22px 0;padding:14px 18px;background:#f1f5f1;border-left:4px solid var(--brand-soft);border-radius:0 12px 12px 0;color:var(--ink-soft)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
.article-body th{background:#eef2ee;color:var(--brand-deep);font-weight:800}
.article-body img{border-radius:12px;margin:18px 0;border:1px solid var(--line)}
.article-body a{color:var(--brand-soft);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-deep)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:28px 0}
.article-cover{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:26px}
.article-cover img{aspect-ratio:16/7;object-fit:cover;width:100%}

/* ---------- aside ---------- */
.aside-stack{display:grid;gap:20px;position:sticky;top:84px}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 20px 22px}
.aside-title{font-size:14.5px;font-weight:800;color:var(--brand-deep);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--gold)}
.info-list{display:grid;gap:11px}
.info-row{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding-bottom:10px;border-bottom:1px dashed var(--line)}
.info-row:last-child{border-bottom:none;padding-bottom:0}
.info-row dt{color:var(--muted)}
.info-row dd{margin:0;color:var(--ink);font-weight:700;text-align:right}
.aside-links{display:grid;gap:4px}
.aside-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 11px;border-radius:9px;font-size:13.5px;color:var(--ink-soft);transition:background .16s ease,color .16s ease,transform .16s ease}
.aside-links a:hover{background:#f1f5f1;color:var(--brand);transform:translateX(2px)}
.aside-links a .go{color:var(--gold);font-weight:800;font-size:12px}
.aside-note{font-size:12.8px;color:var(--muted);line-height:1.75}

/* ---------- summary cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.card-icon{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:#eef2ee;color:var(--brand);margin-bottom:14px}
.card-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:8px}
.card p{font-size:13.6px;color:var(--muted);line-height:1.8}
.card .tag{margin-top:14px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.step-num{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:13.5px;font-weight:800;color:#2a1f07;background:var(--gold-soft);margin-bottom:13px}
.step h3{font-size:15px;color:var(--brand-deep);margin-bottom:7px}
.step p{font-size:13.4px;color:var(--muted);line-height:1.78}

/* ---------- ref table ---------- */
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
table.ref-table{width:100%;border-collapse:collapse;font-size:14px}
table.ref-table thead th{background:#eef2ee;color:var(--brand-deep);font-weight:800;text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
table.ref-table td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:top;line-height:1.75}
table.ref-table tbody tr:last-child td{border-bottom:none}
table.ref-table tbody tr:hover{background:#faf8f2}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700;background:#eef2ee;color:var(--brand)}
.pill-warn{background:#fbf3e3;color:#8b6520}

/* ---------- disputes ---------- */
.dispute{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.dispute:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.dispute h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:9px}
.dispute p{font-size:13.7px;color:var(--muted);line-height:1.82}

/* ---------- channel matrix ---------- */
.channel{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.channel-thumb{position:relative;overflow:hidden}
.channel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.channel:hover .channel-thumb img{transform:scale(1.04)}
.channel-body{padding:19px 20px 22px}
.channel-body h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:8px}
.channel-body p{font-size:13.5px;color:var(--muted);line-height:1.8}
.channel-more{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:13px;font-weight:800;color:var(--brand)}
.channel-more .arw{transition:transform .2s ease}
.channel:hover .channel-more .arw{transform:translateX(3px)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--surface);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[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:17px 22px;font-size:15px;font-weight:700;color:var(--brand-deep);display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:transform .2s ease;flex:0 0 auto;margin-top:-4px}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:2px}
.faq-item .faq-body{padding:0 22px 20px;font-size:14px;color:var(--ink-soft);line-height:1.85}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--brand-deep);color:#fff;padding:44px 42px;display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;box-shadow:var(--shadow-md)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(120deg,rgba(10,50,39,.95),rgba(14,71,56,.72)),url('/assets/images/4e40ca20c01ace72.webp');background-size:cover;background-position:center;z-index:0}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:24px;line-height:1.42;margin-bottom:12px}
.cta-band p{font-size:14.2px;color:rgba(243,239,228,.88);line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ---------- empty state ---------- */
.empty-state{text-align:center;padding:40px 20px}
.empty-state h2{font-size:20px;color:var(--brand-deep);margin-bottom:10px}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:20px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:#d9e3dc;padding:52px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:#fff;margin-bottom:14px}
.footer-brand .logo-mark{background:linear-gradient(140deg,var(--brand-soft),var(--brand))}
.footer-desc{font-size:13.4px;line-height:1.85;color:rgba(217,227,220,.78);max-width:330px}
.footer-col h4{font-size:13.5px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.2px;color:rgba(217,227,220,.78);transition:color .18s ease,padding-left .18s ease}
.footer-col a:hover{color:var(--gold-soft);padding-left:3px}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.6px;color:rgba(217,227,220,.62)}
.footer-bottom a:hover{color:var(--gold-soft)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
 .article-layout{grid-template-columns:1fr;gap:30px}
 .aside-stack{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
 .nav-toggle{display:flex}
 .nav-cta{display:none}
 .nav-list{position:absolute;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);padding:10px 14px 16px;margin-left:0}
 .nav-list.is-open{display:flex}
 .nav-item{width:100%}
 .nav-link{width:100%;justify-content:space-between;padding:11px 12px}
 .dropdown{display:none}
 .article-hero h1{font-size:28px}
}
@media (max-width:768px){
 .container{padding:0 16px}
 .section{padding:48px 0}
 .article-hero .container{padding-top:30px;padding-bottom:38px}
 .article-hero h1{font-size:24px;line-height:1.36}
 .hero-lead{font-size:14px}
 .section-title{font-size:22px}
 .grid-3,.grid-2{grid-template-columns:1fr}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
 .steps{grid-template-columns:1fr}
 .aside-stack{grid-template-columns:1fr}
 .panel{padding:20px 18px}
 .article-body{font-size:15px}
 .article-body h2{font-size:19.5px}
 .cta-band{grid-template-columns:1fr;padding:30px 22px}
 .cta-actions{justify-content:flex-start}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .table-wrap{overflow-x:auto}
 table.ref-table{min-width:620px}
 .breadcrumb{font-size:12px}
}
@media (max-width:520px){
 .logo{font-size:14.5px}
 .logo-mark{width:29px;height:29px}
 .grid-4{grid-template-columns:1fr}
 .article-hero h1{font-size:21.5px}
 .btn{padding:10px 16px;font-size:13.5px}
 .post-meta{gap:8px;font-size:12px}
 .meta-chip{padding:4px 10px}
 .dispute{padding:18px}
 .faq-item summary{padding:15px 16px;font-size:14.2px}
 .faq-item .faq-body{padding:0 16px 17px}
 .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
 --brand:#0e4738;
 --brand-deep:#0a3227;
 --brand-soft:#17685a;
 --gold:#c19242;
 --gold-soft:#e6cd9b;
 --bg:#f7f5ef;
 --surface:#ffffff;
 --ink:#14231f;
 --ink-soft:#31423b;
 --muted:#6b766d;
 --line:#e4dfd3;
 --line-strong:#d5cec0;
 --radius-lg:16px;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 2px 10px rgba(20,35,31,.06);
 --shadow-md:0 10px 26px rgba(20,35,31,.10);
 --shadow-hover:0 16px 34px rgba(20,35,31,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:15px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand-soft);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(20,35,31,.09)}
.nav-inner{display:flex;align-items:center;gap:16px;height:64px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--brand-deep);white-space:nowrap;letter-spacing:.4px}
.logo-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(140deg,var(--brand),var(--brand-soft));display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;letter-spacing:1px;flex:0 0 auto}
.logo:hover .logo-mark{background:linear-gradient(140deg,var(--brand-deep),var(--brand))}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-soft);transition:background .18s ease,color .18s ease}
.nav-link:hover{background:#eef2ee;color:var(--brand)}
.nav-link.active{color:var(--brand);background:#e8f0ec;box-shadow:inset 0 -2px 0 var(--gold)}
.caret{display:inline-block;width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.6}
.dropdown{position:absolute;top:calc(100% + 10px);left:0;min-width:224px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-md);padding:6px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease;z-index:90}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 12px;border-radius:8px;font-size:13.5px;color:var(--ink-soft);transition:background .16s ease,color .16s ease}
.dropdown a:hover{background:#f1f5f1;color:var(--brand)}
.dropdown .drop-title{font-size:11.5px;font-weight:800;letter-spacing:1.4px;color:var(--muted);padding:8px 12px 4px;text-transform:uppercase}
.nav-cta{margin-left:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-strong);align-items:center;justify-content:center;margin-left:auto;background:#fff}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-cta-mobile{display:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;padding:11px 20px;border-radius:9px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap}
.btn-primary{background:var(--gold);color:#2a1f07;box-shadow:0 6px 16px rgba(193,146,66,.32)}
.btn-primary:hover{background:#d0a04d;transform:translateY(-2px);box-shadow:0 12px 24px rgba(193,146,66,.38)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(193,146,66,.3)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,71,56,.26)}
.btn-brand:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(14,71,56,.3)}
.btn-ghost{background:transparent;color:#eaf2ed;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.75);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{padding:8px 15px;font-size:13px}

/* ---------- shared ---------- */
.section{padding:66px 0;position:relative}
.section.tint{background:var(--bg)}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:30px;flex-wrap:wrap}
.section-head .head-main{max-width:740px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1.8px;color:var(--gold);text-transform:uppercase;margin-bottom:10px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.section-title{font-size:26px;line-height:1.4;color:var(--brand-deep)}
.section-desc{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8;max-width:760px}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;background:#edf3ef;color:var(--brand-soft);border:1px solid #dfe9e3}
.tag.gold{background:#faf2e2;color:#8a6320;border-color:#eddcbb}

/* ---------- breadcrumb ---------- */
.crumbs{padding:16px 0 0;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--brand-soft);font-weight:600}
.crumbs a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.crumbs span.sep{margin:0 8px;opacity:.6}

/* ---------- category hero ---------- */
.cat-hero{position:relative;overflow:hidden;color:#fff;background:var(--brand-deep)}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(112deg,rgba(10,50,39,.97) 0%,rgba(10,50,39,.9) 44%,rgba(23,104,90,.6) 100%),url('/assets/images/df311ad922c389de.webp');background-size:cover;background-position:center;z-index:0}
.cat-hero::after{content:"";position:absolute;left:-140px;bottom:-180px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(193,146,66,.2),transparent 68%);z-index:0}
.cat-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:center;padding:38px 0 62px}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:6px 14px 6px 9px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);font-size:12.5px;font-weight:700;letter-spacing:.8px;color:#f0e6d2;margin-bottom:18px}
.hero-badge .dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(193,146,66,.25)}
.cat-hero h1{font-size:38px;line-height:1.26;letter-spacing:.5px;margin-bottom:16px;font-weight:800}
.cat-hero h1 em{font-style:normal;color:var(--gold-soft)}
.hero-lead{font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero-tags span{padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#e8f0ea}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-panel{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:16px;backdrop-filter:blur(6px);box-shadow:0 22px 48px rgba(0,0,0,.22)}
.hero-panel figure{margin:0;border-radius:12px;overflow:hidden;position:relative}
.hero-panel img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-panel figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;font-size:12.5px;color:#eaf2ed;background:linear-gradient(180deg,rgba(10,50,39,0),rgba(10,50,39,.88))}
.panel-rows{margin-top:14px;display:grid;gap:8px}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 13px;border-radius:10px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.13);font-size:13px;color:#e4efe8}
.panel-row b{color:var(--gold-soft);font-size:15px;font-weight:800}

/* ---------- metric board ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.metric-card .num{font-size:30px;font-weight:800;color:var(--brand);line-height:1.2}
.metric-card .num small{font-size:13px;font-weight:700;color:var(--muted);margin-left:4px}
.metric-card .label{margin-top:6px;font-size:14px;font-weight:700;color:var(--ink)}
.metric-card p{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- fan matrix ---------- */
.fan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.fan-card{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.fan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.fan-icon{flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:#edf3ef;color:var(--brand-soft);border:1px solid #dfe9e3}
.fan-icon svg{width:22px;height:22px}
.fan-card h3{font-size:17px;color:var(--brand-deep);margin-bottom:8px}
.fan-card p{font-size:14px;color:var(--ink-soft);line-height:1.78}
.fan-card .tag{margin-top:12px}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.step-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.step-item::before{counter-increment:step;content:"0" counter(step);display:block;font-size:13px;font-weight:800;letter-spacing:2px;color:var(--gold);margin-bottom:10px}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.step-item h3{font-size:16px;color:var(--brand-deep);margin-bottom:8px}
.step-item p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.compare-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.compare-card h3{font-size:16.5px;color:var(--brand-deep);margin-bottom:14px;padding-bottom:12px;border-bottom:1px dashed var(--line-strong)}
.compare-list li{display:flex;gap:9px;font-size:13.5px;line-height:1.75;color:var(--ink-soft);padding:6px 0}
.compare-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:8px;border-radius:50%;background:var(--gold)}

/* ---------- cases ---------- */
.case-list{display:grid;gap:12px}
.case-item{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.case-item:hover{transform:translateX(3px);box-shadow:var(--shadow-md)}
.case-item h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:6px}
.case-item p{font-size:13.5px;color:var(--muted);line-height:1.75}
.case-no{flex:0 0 auto;font-size:13px;font-weight:800;color:var(--gold);letter-spacing:1px;padding-top:2px}

/* ---------- picks ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pick-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.pick-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.pick-body{padding:20px 22px 22px}
.pick-body h3{font-size:16.5px;color:var(--brand-deep);margin-bottom:8px;line-height:1.5}
.pick-body p{font-size:13.5px;color:var(--ink-soft);line-height:1.78}
.pick-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px}
.pick-meta .rank{font-size:12px;font-weight:800;color:var(--muted);letter-spacing:1px}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.voice-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.voice-card p{font-size:14px;color:var(--ink-soft);line-height:1.82}
.voice-card .who{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#edf3ef;color:var(--brand-soft);font-size:13px;font-weight:800;border:1px solid #dfe9e3}
.who-name{font-size:13.5px;font-weight:700;color:var(--ink)}
.who-tag{font-size:12px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;font-size:15px;font-weight:700;color:var(--brand-deep)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:19px;font-weight:700;color:var(--gold);line-height:1;transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .answer{padding:0 20px 18px;font-size:14px;color:var(--ink-soft);line-height:1.82}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff;padding:60px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(110deg,rgba(10,50,39,.96),rgba(10,50,39,.82) 50%,rgba(23,104,90,.62)),url('/assets/images/4e40ca20c01ace72.webp');background-size:cover;background-position:center;z-index:0}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;line-height:1.42;margin-bottom:10px}
.cta-inner p{font-size:14.5px;color:rgba(255,255,255,.84);max-width:620px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#0a3227;color:#cfdcd4;padding:56px 0 0;border-top:3px solid var(--gold)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(207,220,212,.78);max-width:330px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:rgba(207,220,212,.8);transition:color .18s ease,padding-left .18s ease}
.footer-col a:hover{color:var(--gold-soft);padding-left:4px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 0 24px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(207,220,212,.66)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .cat-hero-inner{grid-template-columns:1fr;gap:32px;padding:30px 0 52px}
 .hero-panel{max-width:560px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .step-grid{grid-template-columns:repeat(2,1fr)}
 .compare-grid{grid-template-columns:repeat(2,1fr)}
 .voice-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:920px){
 .nav-toggle{display:flex}
 .nav-cta{display:none}
 .nav-list{position:absolute;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:4px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(20,35,31,.14);padding:10px 18px 18px;margin-left:0}
 .nav-list.open{display:flex}
 .nav-link{width:100%;justify-content:space-between;padding:12px 10px;font-size:15px}
 .dropdown{display:none!important}
 .nav-cta-mobile{display:flex;margin-top:8px}
 .nav-cta-mobile .btn{width:100%}
}
@media (max-width:768px){
 .cat-hero h1{font-size:29px}
 .hero-lead{font-size:14.5px}
 .section{padding:52px 0}
 .section-title{font-size:22px}
 .fan-grid{grid-template-columns:1fr}
 .pick-grid{grid-template-columns:1fr}
 .voice-grid{grid-template-columns:1fr}
 .compare-grid{grid-template-columns:1fr}
 .cta-inner{flex-direction:column;align-items:flex-start}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
 .btn{min-height:42px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .logo{font-size:14.5px}
 .logo-mark{width:28px;height:28px;border-radius:9px}
 .metric-grid{grid-template-columns:1fr}
 .step-grid{grid-template-columns:1fr}
 .cat-hero h1{font-size:25px}
 .hero-actions .btn{width:100%}
 .case-item{flex-direction:column;gap:6px}
 .faq-item summary{font-size:14px;padding:14px 16px}
}

/* roulang page: category2 */
:root{
 --brand:#0e4738;
 --brand-deep:#0a3227;
 --brand-soft:#17685a;
 --gold:#c19242;
 --gold-soft:#e6cd9b;
 --bg:#f7f5ef;
 --surface:#ffffff;
 --ink:#14231f;
 --ink-soft:#31423b;
 --muted:#6b766d;
 --line:#e4dfd3;
 --line-strong:#d5cec0;
 --radius-lg:16px;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 2px 10px rgba(20,35,31,.06);
 --shadow-md:0 10px 26px rgba(20,35,31,.10);
 --shadow-hover:0 16px 34px rgba(20,35,31,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:15px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:.3px}
:focus-visible{outline:2px solid var(--brand-soft);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(20,35,31,.09)}
.nav-inner{display:flex;align-items:center;gap:16px;height:64px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--brand-deep);white-space:nowrap;letter-spacing:.4px}
.logo-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(140deg,var(--brand),var(--brand-soft));display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;letter-spacing:1px;flex:0 0 auto}
.logo:hover .logo-mark{background:linear-gradient(140deg,var(--brand-deep),var(--brand))}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-soft);transition:background .18s ease,color .18s ease}
.nav-link:hover{background:#eef2ee;color:var(--brand)}
.nav-link.active{color:var(--brand);background:#e8f0ec;box-shadow:inset 0 -2px 0 var(--gold)}
.caret{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-1px);display:inline-block;opacity:.7}
.dropdown{position:absolute;top:calc(100% + 10px);left:0;min-width:208px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-md);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease;z-index:90}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 12px;border-radius:8px;font-size:13.5px;color:var(--ink-soft);transition:background .16s ease,color .16s ease}
.dropdown a:hover{background:#f1f5f1;color:var(--brand)}
.dropdown .drop-title{font-size:11.5px;font-weight:800;letter-spacing:1.4px;color:var(--muted);padding:8px 12px 4px;text-transform:uppercase}
.nav-cta{margin-left:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-strong);align-items:center;justify-content:center;margin-left:auto;background:#fff}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;padding:11px 20px;border-radius:9px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap;min-height:42px}
.btn-primary{background:var(--gold);color:#2a1f07;box-shadow:0 6px 16px rgba(193,146,66,.32)}
.btn-primary:hover{background:#d0a04d;transform:translateY(-2px);box-shadow:0 12px 24px rgba(193,146,66,.38)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(193,146,66,.3)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,71,56,.26)}
.btn-brand:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(14,71,56,.3)}
.btn-ghost{background:transparent;color:#eaf2ed;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.75);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{padding:8px 15px;font-size:13px}

/* ---------- shared section ---------- */
.section{padding:66px 0;position:relative}
.section.tint{background:var(--bg)}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:30px;flex-wrap:wrap}
.section-head .head-main{max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1.8px;color:var(--gold);text-transform:uppercase;margin-bottom:10px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.section-title{font-size:26px;color:var(--brand-deep)}
.section-desc{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8;max-width:760px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:#eaf1ec;color:var(--brand);font-size:12.5px;font-weight:700;border:1px solid #dbe7e0}
.tag.gold{background:#f7edda;color:#8a6520;border-color:#eeddbd}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--brand-deep)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(112deg,rgba(10,50,39,.97) 0%,rgba(10,50,39,.9) 46%,rgba(14,71,56,.62) 100%),url('/assets/images/4e40ca20c01ace72.webp');background-size:cover;background-position:center;z-index:0}
.hero::after{content:"";position:absolute;right:-140px;top:-120px;width:430px;height:430px;border-radius:50%;background:radial-gradient(circle,rgba(193,146,66,.22),transparent 68%);z-index:0}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center;padding:66px 0 62px}
.hero-brand{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 8px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);font-size:12.5px;font-weight:700;letter-spacing:.8px;color:#f0e6d2;margin-bottom:20px}
.hero-brand .dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(193,146,66,.25)}
.hero h1{font-size:38px;line-height:1.26;margin-bottom:16px}
.hero-sub{font-size:15.5px;color:#d5e3dc;max-width:560px;line-height:1.85}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.hero-tags .tag{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.26);color:#ecf3ee}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-panel{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:26px 24px;backdrop-filter:blur(4px)}
.gauge{position:relative;width:168px;height:168px;border-radius:50%;margin:0 auto 22px;display:grid;place-items:center;background:conic-gradient(var(--gold) 0 78%,rgba(255,255,255,.14) 78% 100%)}
.gauge::after{content:"";position:absolute;inset:13px;border-radius:50%;background:var(--brand-deep)}
.gauge-value{position:relative;z-index:1;text-align:center;color:#fff}
.gauge-value strong{display:block;font-size:30px;letter-spacing:.5px;line-height:1.2}
.gauge-value span{display:block;font-size:11.5px;color:#c8d8d0;letter-spacing:.6px;margin-top:2px}
.hero-points{display:grid;gap:10px}
.hero-points li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:#dbe8e2;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:10px 13px}
.pt-k{font-size:15px;font-weight:800;color:var(--gold-soft);min-width:24px;text-align:center}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.metric-num{font-size:34px;font-weight:800;color:var(--brand);letter-spacing:.5px;line-height:1.15}
.metric-num small{font-size:14px;font-weight:700;color:var(--muted);margin-left:4px}
.metric-label{margin-top:8px;font-size:14px;font-weight:700;color:var(--ink)}
.metric-note{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.72}

/* ---------- capability ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cap-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.cap-icon{width:40px;height:40px;border-radius:11px;background:#eaf1ec;color:var(--brand);display:grid;place-items:center;margin-bottom:14px}
.cap-icon svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.cap-card h3{font-size:16.5px;color:var(--brand-deep);margin-bottom:8px}
.cap-card p{font-size:13.8px;color:var(--muted);line-height:1.78}
.cap-card .tag{margin-top:14px}

/* ---------- scenes ---------- */
.scene-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center}
.scene-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);position:relative}
.scene-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.scene-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;background:linear-gradient(to top,rgba(10,50,39,.88),rgba(10,50,39,0));color:#e7f0ea;font-size:12.5px;letter-spacing:.5px}
.scene-list{display:grid;gap:14px}
.scene-item{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.scene-item h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:6px}
.scene-item p{font-size:13.6px;color:var(--muted);line-height:1.78}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow)}
.compare-col.highlight{border-color:#cfe0d6;background:linear-gradient(180deg,#fbfdfb,#ffffff)}
.compare-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare-head h3{font-size:17px;color:var(--brand-deep)}
.compare-col ul{display:grid;gap:12px}
.compare-col li{display:flex;gap:10px;font-size:13.8px;color:var(--ink-soft);line-height:1.76}
.mark{width:18px;height:18px;border-radius:50%;flex:0 0 auto;margin-top:3px;display:grid;place-items:center;font-size:11px;font-weight:800}
.mark.no{background:#f2ece2;color:#96743a}
.mark.yes{background:#e4efe8;color:var(--brand)}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-num{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;margin-bottom:14px}
.step-card h3{font-size:16.5px;color:var(--brand-deep);margin-bottom:8px}
.step-card p{font-size:13.8px;color:var(--muted);line-height:1.8}

/* ---------- picks ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.pick-card{display:grid;grid-template-columns:150px 1fr;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.pick-thumb{position:relative;overflow:hidden;background:#dfe7e1}
.pick-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.pick-card:hover .pick-thumb img{transform:scale(1.05)}
.pick-rank{position:absolute;left:10px;top:10px;background:rgba(10,50,39,.86);color:var(--gold-soft);font-size:11.5px;font-weight:800;letter-spacing:1px;padding:3px 9px;border-radius:999px}
.pick-body{padding:18px 20px}
.pick-body h3{font-size:15.8px;color:var(--brand-deep);margin-bottom:7px}
.pick-body p{font-size:13.4px;color:var(--muted);line-height:1.75}
.pick-body .tag{margin-top:12px}

/* ---------- news list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-bottom:10px;flex-wrap:wrap}
.news-meta .news-cat{color:var(--brand);background:#eaf1ec;border-radius:999px;padding:2px 9px;font-weight:700}
.news-card h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:8px;line-height:1.55}
.news-card p{font-size:13.4px;color:var(--muted);line-height:1.76;flex:1}
.news-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:700;color:var(--brand)}
.news-more::after{content:"→";transition:transform .2s ease}
.news-card:hover .news-more::after{transform:translateX(3px)}
.empty-note{grid-column:1/-1;padding:26px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);font-size:13.5px;text-align:center;background:#fbfaf6}

/* ---------- voices ---------- */
.voice-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:28px}
.voice-card{background:#f3f6f2;border:1px solid #e0e8e1;border-radius:var(--radius-sm);padding:16px 18px}
.voice-card p{font-size:13.6px;color:var(--ink-soft);line-height:1.78}
.voice-by{margin-top:10px;font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.4px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.faq-item[open]{border-color:#cfe0d6;box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 20px;font-size:15px;font-weight:700;color:var(--brand-deep)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:19px;font-weight:700;color:var(--gold);line-height:1;transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 20px 18px;font-size:13.8px;color:var(--muted);line-height:1.85}

/* ---------- form ---------- */
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:start}
.form-intro h2{font-size:26px;color:var(--brand-deep);margin-bottom:12px}
.form-intro p{font-size:14.2px;color:var(--muted);line-height:1.85}
.form-points{display:grid;gap:10px;margin-top:20px}
.form-points li{display:flex;gap:9px;font-size:13.5px;color:var(--ink-soft)}
.form-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);flex:0 0 auto;margin-top:9px}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-md)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field input,.field textarea{width:100%;font:inherit;font-size:14px;color:var(--ink);background:#fbfaf6;border:1px solid var(--line-strong);border-radius:9px;padding:11px 13px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.field textarea{min-height:108px;resize:vertical;line-height:1.75}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-soft);background:#fff;box-shadow:0 0 0 3px rgba(23,104,90,.14)}
.field .hint{display:block;margin-top:6px;font-size:12.5px;color:var(--muted)}
.form-note{margin-top:14px;font-size:13px;color:var(--brand);font-weight:700;min-height:20px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:#c9dad3;padding:52px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-desc{font-size:13.4px;line-height:1.85;color:#a9c0b7;max-width:340px}
.footer-col h4{font-size:13.5px;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.4px;color:#a9c0b7;transition:color .18s ease,transform .18s ease;display:inline-block}
.footer-col a:hover{color:var(--gold-soft);transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0 24px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.6px;color:#8ea9a0}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero h1{font-size:32px}
 .hero-inner{grid-template-columns:1fr;gap:32px;padding:54px 0 50px}
 .hero-panel{max-width:520px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .cap-grid{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
 .nav-toggle{display:flex}
 .nav-cta{display:none}
 .nav-list{position:absolute;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:4px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);padding:10px 16px 18px;margin-left:0;max-height:calc(100vh - 64px);overflow-y:auto}
 .nav-list.is-open{display:flex}
 .nav-item{width:100%}
 .nav-link{width:100%;justify-content:space-between;padding:11px 12px;font-size:14.5px}
 .dropdown{display:none}
 .scene-wrap{grid-template-columns:1fr;gap:24px}
 .compare-grid{grid-template-columns:1fr}
 .step-grid{grid-template-columns:1fr}
 .pick-grid{grid-template-columns:1fr}
 .form-wrap{grid-template-columns:1fr;gap:24px}
 .voice-row{grid-template-columns:1fr}
}
@media (max-width:640px){
 .container{padding:0 16px}
 .section{padding:48px 0}
 .hero h1{font-size:26px}
 .hero-sub{font-size:14.5px}
 .hero-panel{padding:20px 18px}
 .gauge{width:142px;height:142px}
 .gauge-value strong{font-size:25px}
 .metric-grid{grid-template-columns:1fr}
 .cap-grid{grid-template-columns:1fr}
 .news-grid{grid-template-columns:1fr}
 .pick-card{grid-template-columns:1fr}
 .pick-thumb img{aspect-ratio:16/9;height:auto}
 .section-title{font-size:22px}
 .form-intro h2{font-size:22px}
 .footer-grid{grid-template-columns:1fr;gap:24px}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
 .hero-actions .btn{width:100%}
}
@media (max-width:520px){
 .logo{font-size:14.5px}
 .logo-mark{width:29px;height:29px}
 .hero-tags .tag{font-size:12px}
}

/* roulang page: category3 */
:root{
  --brand:#0e4738;
  --brand-deep:#0a3227;
  --brand-soft:#17685a;
  --gold:#c19242;
  --gold-soft:#e6cd9b;
  --bg:#f7f5ef;
  --surface:#ffffff;
  --ink:#14231f;
  --ink-soft:#31423b;
  --muted:#6b766d;
  --line:#e4dfd3;
  --line-strong:#d5cec0;
  --radius-lg:16px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(20,35,31,.06);
  --shadow-md:0 10px 26px rgba(20,35,31,.10);
  --shadow-hover:0 16px 34px rgba(20,35,31,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.78;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(20,35,31,.09)}
.nav-inner{display:flex;align-items:center;gap:16px;height:64px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--brand-deep);white-space:nowrap;letter-spacing:.4px}
.logo-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(140deg,var(--brand),var(--brand-soft));display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;letter-spacing:1px;flex:0 0 auto}
.logo:hover .logo-mark{background:linear-gradient(140deg,var(--brand-deep),var(--brand))}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-soft);transition:background .18s ease,color .18s ease}
.nav-link:hover{background:#eef2ee;color:var(--brand)}
.nav-link.active{color:var(--brand);background:#e8f0ec;box-shadow:inset 0 -2px 0 var(--gold)}
.caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.6;display:inline-block}
.dropdown{position:absolute;top:calc(100% + 10px);left:0;min-width:216px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-md);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease;z-index:90}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 12px;border-radius:8px;font-size:13.5px;color:var(--ink-soft);transition:background .16s ease,color .16s ease}
.dropdown a:hover{background:#f1f5f1;color:var(--brand)}
.dropdown .drop-title{font-size:11.5px;font-weight:800;letter-spacing:1.4px;color:var(--muted);padding:8px 12px 4px;text-transform:uppercase}
.nav-cta{margin-left:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-strong);align-items:center;justify-content:center;margin-left:auto;background:#fff;transition:background .18s ease,border-color .18s ease}
.nav-toggle:hover{background:#f1f5f1;border-color:var(--brand-soft)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative;transition:background .18s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);transition:transform .2s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;padding:11px 20px;border-radius:9px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap;min-height:44px}
.btn-primary{background:var(--gold);color:#2a1f07;box-shadow:0 6px 16px rgba(193,146,66,.32)}
.btn-primary:hover{background:#d0a04d;transform:translateY(-2px);box-shadow:0 12px 24px rgba(193,146,66,.38)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(193,146,66,.3)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,71,56,.26)}
.btn-brand:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(14,71,56,.3)}
.btn-ghost{background:transparent;color:#eaf2ed;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.75);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{padding:8px 15px;font-size:13px;min-height:40px}

/* ---------- shared ---------- */
.section{padding:66px 0;position:relative}
.section.tint{background:var(--bg)}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:30px;flex-wrap:wrap}
.section-head .head-main{max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1.8px;color:var(--gold);text-transform:uppercase;margin-bottom:10px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.section-title{font-size:26px;line-height:1.4;color:var(--brand-deep);letter-spacing:.3px}
.section-desc{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.82;max-width:780px}
.tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.4px;background:#eaf1ed;color:var(--brand-soft);border:1px solid #dbe6df}
.tag.gold{background:#f7eeda;color:#8a6421;border-color:#ecdcb9}

/* ---------- hero bento ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(118deg,rgba(10,50,39,.97) 0%,rgba(10,50,39,.9) 44%,rgba(14,71,56,.66) 100%),url('/assets/images/9cb1c43f61b6e0df.webp');background-size:cover;background-position:center;z-index:0}
.cat-hero::after{content:"";position:absolute;right:-140px;top:-130px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(193,146,66,.24),transparent 68%);z-index:0}
.cat-hero .container{position:relative;z-index:1}
.bento{display:grid;grid-template-columns:1.42fr .58fr;gap:18px;padding:54px 0 58px}
.bento-main{background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:34px 32px;backdrop-filter:blur(4px)}
.hero-brand{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 8px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);font-size:12.5px;font-weight:700;letter-spacing:.8px;color:#f0e6d2;margin-bottom:18px}
.hero-brand .dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(193,146,66,.25)}
.cat-hero h1{font-size:38px;line-height:1.26;letter-spacing:.6px;font-weight:800}
.h1-sub{display:block;margin-top:10px;font-size:15px;font-weight:600;letter-spacing:1.6px;color:var(--gold-soft)}
.hero-sub{margin-top:16px;font-size:15px;line-height:1.85;color:#d8e5de;max-width:620px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.tag-row .tag{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);color:#ecf3ef}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.bento-side{display:grid;gap:18px;grid-template-rows:1fr 1fr}
.mini-card{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:20px 20px 18px;transition:transform .2s ease,background .2s ease}
.mini-card:hover{transform:translateY(-3px);background:rgba(255,255,255,.13)}
.mini-label{font-size:11.5px;font-weight:800;letter-spacing:1.6px;color:var(--gold-soft);text-transform:uppercase}
.mini-title{font-size:16px;font-weight:800;margin-top:6px;color:#fff}
.mini-text{font-size:13px;line-height:1.75;color:#c8d9d1;margin-top:6px}
.mini-formula{margin-top:10px;font-size:12.5px;font-weight:700;letter-spacing:.4px;color:#f3e6c9;background:rgba(0,0,0,.22);border-radius:8px;padding:8px 10px}
.bento-cta{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:linear-gradient(90deg,rgba(193,146,66,.24),rgba(193,146,66,.05));border:1px solid rgba(230,205,155,.34);border-radius:var(--radius);padding:16px 24px}
.bento-cta p{font-size:14px;color:#f1e9d8;font-weight:600}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.metric-num{font-size:34px;font-weight:800;color:var(--brand);letter-spacing:.5px;line-height:1.1}
.metric-num span{font-size:14px;font-weight:700;color:var(--gold);margin-left:5px}
.metric-name{font-size:14px;font-weight:700;color:var(--ink);margin-top:8px}
.metric-note{font-size:12.8px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ---------- algo cards ---------- */
.algo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.algo-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column}
.algo-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.algo-icon{width:42px;height:42px;border-radius:12px;background:#eaf1ed;display:grid;place-items:center;color:var(--brand);margin-bottom:16px}
.algo-icon svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.algo-card h3{font-size:17px;color:var(--brand-deep);letter-spacing:.2px}
.algo-card p{font-size:13.8px;color:var(--ink-soft);margin-top:10px;line-height:1.8}
.algo-foot{margin-top:auto;padding-top:16px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- compare ---------- */
.compare-wrap{display:grid;grid-template-columns:1.55fr .45fr;gap:24px;align-items:start}
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.calc-table{width:100%;border-collapse:collapse;min-width:660px}
.calc-table thead th{background:#eef3ef;color:var(--brand-deep);font-size:13px;font-weight:800;letter-spacing:.6px;text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.calc-table tbody td{padding:15px 16px;font-size:13.8px;color:var(--ink-soft);border-bottom:1px solid #f0ece2;vertical-align:top}
.calc-table tbody tr:last-child td{border-bottom:none}
.calc-table tbody tr:hover td{background:#faf9f4}
.calc-table strong{color:var(--brand);font-weight:800}
.compare-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.compare-side h3{font-size:16px;color:var(--brand-deep)}
.compare-side p{font-size:13.5px;color:var(--ink-soft);margin-top:10px;line-height:1.8}
.compare-side .tag-row{margin-top:14px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow);position:relative;transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step::before{counter-increment:step;content:"0" counter(step);display:block;font-size:13px;font-weight:800;letter-spacing:1.6px;color:var(--gold);margin-bottom:10px}
.step h3{font-size:15.5px;color:var(--brand-deep)}
.step p{font-size:13.2px;color:var(--muted);margin-top:8px;line-height:1.76}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;position:relative;overflow:hidden}
.news-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--gold),rgba(193,146,66,0))}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.2px;color:var(--muted);margin-bottom:9px}
.news-title{font-size:16px;line-height:1.55;color:var(--brand-deep);font-weight:800}
.news-card:hover .news-title{color:var(--brand-soft)}
.news-excerpt{font-size:13.4px;color:var(--ink-soft);margin-top:10px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:700;color:var(--brand)}
.news-more::after{content:"›";font-size:16px;line-height:1}
.empty-note{grid-column:1 / -1;padding:34px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--radius);font-size:14px}

/* ---------- scenes ---------- */
.scene-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:30px;align-items:center}
.scene-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.scene-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.scene-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:#fff;background:linear-gradient(180deg,rgba(10,50,39,0),rgba(10,50,39,.86))}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.scene-card h3{font-size:15px;color:var(--brand-deep)}
.scene-card p{font-size:13.2px;color:var(--muted);margin-top:8px;line-height:1.76}

/* ---------- assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.assure-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.assure-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.assure-card h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:9px}
.assure-card p{font-size:13.4px;color:var(--muted);line-height:1.78}
.voice{margin-top:22px;background:#eef3ef;border:1px solid #dbe6df;border-left:4px solid var(--gold);border-radius:var(--radius);padding:22px 24px}
.voice p{font-size:14.5px;color:var(--ink-soft);line-height:1.85}
.voice cite{display:block;margin-top:10px;font-style:normal;font-size:12.8px;font-weight:700;color:var(--brand-soft);letter-spacing:.6px}

/* ---------- faq ---------- */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{background:var(--surface);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[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-size:15px;font-weight:700;color:var(--brand-deep);display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:48px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:19px;font-weight:700;color:var(--gold);flex:0 0 auto;transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{background:#f6f7f2}
.faq-body{padding:0 20px 18px;font-size:13.8px;color:var(--ink-soft);line-height:1.82}

/* ---------- form ---------- */
.review-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-md)}
.review-panel h2{font-size:24px;color:var(--brand-deep);line-height:1.4}
.review-panel .lead{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.82}
.review-points{margin-top:18px;display:grid;gap:10px}
.review-points li{font-size:13.6px;color:var(--ink-soft);display:flex;gap:10px;align-items:flex-start;line-height:1.75}
.review-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);margin-top:8px;flex:0 0 auto}
.review-form{display:grid;gap:14px}
.field{display:grid;gap:7px}
.field label{font-size:13px;font-weight:700;color:var(--ink-soft)}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;font-size:14px;font-family:inherit;color:var(--ink);
  background:#fbfaf6;border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--brand-soft)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(23,104,90,.12)}
.form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.form-note{font-size:13px;color:var(--muted);line-height:1.7}
.form-note.is-active{color:var(--brand-soft);font-weight:700}

/* ---------- footer ---------- */
.site-footer{background:#0c2a22;color:#cfdad4;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-brand .logo-mark{background:linear-gradient(140deg,var(--brand-soft),var(--brand))}
.footer-desc{font-size:13.5px;line-height:1.85;color:#a7bcb3;max-width:360px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13.5px;color:#a7bcb3;transition:color .18s ease}
.footer-col a:hover{color:var(--gold-soft)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#8ba59a}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .bento{grid-template-columns:1fr;padding:44px 0 48px}
  .bento-side{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .algo-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .compare-wrap{grid-template-columns:1fr}
  .scene-layout{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .review-panel{grid-template-columns:1fr;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:980px){
  .nav-toggle{display:inline-flex}
  .nav-list{position:absolute;top:70px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:12px;margin:0;max-height:72vh;overflow:auto}
  .nav-list.is-open{display:flex}
  .nav-item{width:100%}
  .nav-link{width:100%;justify-content:space-between;padding:11px 12px;min-height:44px}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;background:transparent;padding:0 0 6px 12px;min-width:0;display:block}
  .dropdown .drop-title{display:none}
  .dropdown a{padding:9px 10px;font-size:13px;min-height:40px;color:var(--muted)}
  .nav-cta{display:none}
}
@media (max-width:768px){
  .section{padding:50px 0}
  .cat-hero h1{font-size:30px}
  .section-title{font-size:22px}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
  .algo-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:1fr}
  .faq-list{grid-template-columns:1fr}
  .bento-main{padding:26px 22px}
  .bento-side{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
  .review-panel{padding:22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .cat-hero h1{font-size:25px}
  .h1-sub{font-size:13px;letter-spacing:1px}
  .hero-sub{font-size:14px}
  .metric-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .bento-cta{flex-direction:column;align-items:flex-start}
  .hero-actions .btn{width:100%}
  .btn{width:100%}
  .bento-cta .btn,.form-actions .btn{width:100%}
  .metric-num{font-size:28px}
  .section-title{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;scroll-behavior:auto !important}
}