/* roulang page: index */
:root{
  --ink:#0A1020; --ink-2:#101A2E; --ink-3:#182642;
  --gold:#D8A93A; --gold-2:#F2CE73; --gold-soft:rgba(216,169,58,.12); --gold-line:rgba(216,169,58,.32);
  --paper:#F6F7FB; --card:#FFFFFF; --text:#101828; --muted:#5A6478; --line:#E4E8F0;
  --r-lg:24px; --r-md:16px; --r-sm:10px;
  --sh-1:0 10px 30px rgba(12,20,40,.08); --sh-2:0 18px 48px rgba(12,20,40,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--text);line-height:1.7;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(216,169,58,.55);outline-offset:2px;border-radius:6px}
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 20px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241a02;font-weight:800;font-size:14px;letter-spacing:.5px;box-shadow:0 6px 16px rgba(216,169,58,.35)}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.3px;line-height:1.3;white-space:nowrap}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.6px}
.header-actions{display:flex;align-items:center;gap:10px}
.header-nav{background:var(--ink);border-top:1px solid rgba(255,255,255,.06)}
.nav-icons{display:flex;gap:8px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.nav-icons::-webkit-scrollbar{display:none}
.nav-item{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:12px;font-size:14px;color:rgba(255,255,255,.72);white-space:nowrap;transition:background .2s ease,color .2s ease}
.nav-item i{font-size:13px;color:rgba(242,206,115,.85)}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:linear-gradient(135deg,rgba(242,206,115,.24),rgba(216,169,58,.14));color:var(--gold-2);box-shadow:inset 0 0 0 1px rgba(216,169,58,.38)}
.nav-item.active i{color:var(--gold-2)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241a02;box-shadow:0 8px 20px rgba(216,169,58,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(216,169,58,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--gold);color:#8a6a12;transform:translateY(-2px)}
.btn-outline-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-block{width:100%}

/* hero */
.hero{padding:52px 0 72px;color:#fff;background:
  radial-gradient(900px 420px at 88% -12%,rgba(216,169,58,.26),transparent 62%),
  radial-gradient(700px 380px at 6% 10%,rgba(56,90,168,.28),transparent 65%),
  linear-gradient(180deg,#0A1020 0%,#101A2E 58%,#0A1020 100%)}
.hb-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:20px;align-items:start}
.bento{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.11);border-radius:var(--r-lg);padding:28px;min-width:0;backdrop-filter:blur(6px);box-shadow:0 18px 40px rgba(0,0,0,.18)}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(216,169,58,.16);border:1px solid rgba(216,169,58,.4);color:var(--gold-2);font-size:13px;letter-spacing:.3px}
.hero h1{margin:18px 0 16px;font-size:clamp(25px,3.3vw,41px);line-height:1.32;font-weight:800;letter-spacing:.3px;overflow-wrap:break-word}
.hero-lead{font-size:15.5px;line-height:1.95;color:rgba(255,255,255,.78)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;padding-top:22px;border-top:1px dashed rgba(255,255,255,.16)}
.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;font-size:12.5px;color:rgba(255,255,255,.82);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
.chip i{color:var(--gold-2);font-size:11px}
.hb-side{display:grid;gap:20px;min-width:0}
.mini-title{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.mini-title i{color:var(--gold-2)}
.mini-list li{display:flex;align-items:flex-start;gap:10px;font-size:13.8px;color:rgba(255,255,255,.76);line-height:1.8;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.12)}
.mini-list li:last-child{border-bottom:0;padding-bottom:0}
.mini-list b{color:var(--gold-2);font-weight:700;flex:0 0 auto}
.hb-cta{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;background:linear-gradient(120deg,rgba(216,169,58,.18),rgba(255,255,255,.06));border-color:rgba(216,169,58,.34)}
.hb-cta p{font-size:14.5px;color:rgba(255,255,255,.84);max-width:720px;line-height:1.85}

/* sections */
.section{padding:clamp(52px,6vw,88px) 0}
.section-alt{background:var(--paper)}
.section-white{background:#fff}
.section-dark{background:linear-gradient(180deg,#0A1020,#101A2E);color:#fff}
.section-head{max-width:780px;margin-bottom:34px}
.section-head h2{font-size:clamp(21px,2.5vw,31px);font-weight:800;line-height:1.4;letter-spacing:.2px}
.section-head p{margin-top:12px;font-size:15px;line-height:1.9;color:var(--muted)}
.section-dark .section-head p{color:rgba(255,255,255,.7)}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.2px;color:#96731a;background:var(--gold-soft);border:1px solid var(--gold-line);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.section-dark .eyebrow{color:var(--gold-2);background:rgba(216,169,58,.16);border-color:rgba(216,169,58,.36)}

.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.grid-2>*,.grid-3>*,.grid-4>*{min-width:0}

/* download */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--gold-line)}
.dl-card .os{display:flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;letter-spacing:.6px;color:#96731a}
.dl-card .os i{font-size:16px}
.dl-card strong{display:block;font-size:19px;font-weight:800;margin:10px 0 8px}
.dl-card p{font-size:13.8px;color:var(--muted);line-height:1.8;margin-bottom:18px}
.dl-note{margin-top:18px;font-size:13.5px;color:var(--muted);background:#fff;border:1px dashed var(--gold-line);border-radius:var(--r-md);padding:14px 18px;line-height:1.85}

/* cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--gold-line)}
.card .icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--gold-soft);color:#8a6a12;font-size:18px;margin-bottom:16px;border:1px solid var(--gold-line)}
.card h3{font-size:17px;font-weight:700;margin-bottom:9px;line-height:1.5}
.card p{font-size:14.2px;color:var(--muted);line-height:1.85}

/* metrics */
.metric{background:linear-gradient(180deg,#fff 0%,#FBF7EC 100%);border:1px solid var(--gold-line);border-radius:20px;padding:22px;min-width:0;transition:transform .2s ease,box-shadow .2s ease}
.metric:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.metric .k{font-size:12.5px;font-weight:700;letter-spacing:.6px;color:#96731a;display:flex;align-items:center;gap:7px}
.metric .v{font-size:16.5px;font-weight:800;margin-top:9px;line-height:1.5}
.metric .d{font-size:13.2px;color:var(--muted);margin-top:6px;line-height:1.75}

/* scene / compare */
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);min-width:0}
.scene-card h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.85}
.scene-tag{display:inline-block;font-size:12px;padding:4px 10px;border-radius:999px;background:var(--gold-soft);color:#8a6a12;border:1px solid var(--gold-line);margin-bottom:12px}
.alert-card{background:#101A2E;color:#fff;border-radius:var(--r-lg);padding:26px;border:1px solid rgba(216,169,58,.3)}
.alert-card h3{font-size:17px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.alert-card h3 i{color:var(--gold-2)}
.alert-card li{font-size:14px;color:rgba(255,255,255,.76);line-height:1.85;padding-left:18px;position:relative;margin-bottom:8px}
.alert-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--gold)}

.compare{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);min-width:0}
.compare h3{font-size:16.5px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.compare h3 i{color:#96731a}
.compare li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.8;padding:9px 0;border-bottom:1px dashed var(--line)}
.compare li:last-child{border-bottom:0}
.compare li i{margin-top:6px;font-size:11px;color:#b0b7c6}
.compare.good{border-color:var(--gold-line);background:linear-gradient(180deg,#fff,#FCF9F1)}
.compare.good li i{color:var(--gold)}

/* timeline */
.timeline{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;min-width:0;box-shadow:var(--sh-1);transition:transform .2s ease,border-color .2s ease}
.step:hover{transform:translateY(-3px);border-color:var(--gold-line)}
.step .num{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--ink);color:var(--gold-2);font-size:13px;font-weight:800;margin-bottom:12px}
.step h3{font-size:15.5px;font-weight:700;margin-bottom:7px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.8}

/* news */
.news-wrap{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:24px;align-items:start}
.news-wrap.single{grid-template-columns:minmax(0,1fr)}
.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:8px 26px;box-shadow:var(--sh-1)}
.news-item{display:block;padding:20px 0;border-bottom:1px dashed var(--line)}
.news-item:last-child{border-bottom:0}
.news-item h3{font-size:16px;font-weight:700;line-height:1.6;transition:color .2s ease}
.news-item:hover h3{color:#96731a}
.news-item p{font-size:13.8px;color:var(--muted);line-height:1.8;margin-top:7px}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px;font-size:12.5px;color:#8a93a6}
.news-meta span{display:inline-flex;align-items:center;gap:5px}
.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.news-side h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.news-side h3 i{color:#96731a}
.side-item{display:block;padding:11px 0;border-bottom:1px dashed var(--line);font-size:13.8px;line-height:1.75;color:var(--text);transition:color .2s ease}
.side-item:last-child{border-bottom:0}
.side-item:hover{color:#96731a}
.more-link{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:14px;font-weight:600;color:#8a6a12}
.more-link:hover{color:#5f4a0c}
.empty-tip{font-size:14px;color:var(--muted);padding:20px 0}

/* faq */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 22px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--gold-line);box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;font-size:15.5px;font-weight:700;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:#96731a;font-weight:800;font-size:18px;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin-top:12px;font-size:14.2px;color:var(--muted);line-height:1.9}

/* form */
.form-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,3vw,38px);box-shadow:var(--sh-1)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:8px;min-width:0}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:700;color:var(--text)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#FBFCFE;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:#fff;box-shadow:0 0 0 4px rgba(216,169,58,.16)}
.form-tip{font-size:13px;color:var(--muted);line-height:1.85;margin-top:14px}
.form-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:800}
.footer-brand em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.5px}
.footer-desc{font-size:13.8px;line-height:1.9;color:rgba(255,255,255,.62);max-width:420px}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.8px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--gold-2)}
.footer-risk{margin-top:30px;padding:16px 20px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);font-size:13px;line-height:1.95;color:rgba(255,255,255,.6)}
.footer-bottom{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.8px;color:rgba(255,255,255,.5)}

@media (max-width:1024px){
  .grid-3,.grid-4,.dl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(3,minmax(0,1fr))}
  .news-wrap{grid-template-columns:minmax(0,1fr)}
  .hb-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:40px 0 56px}
  .bento{padding:22px}
}
@media (max-width:768px){
  .grid-2,.grid-3,.grid-4,.dl-grid{grid-template-columns:minmax(0,1fr)}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .brand-text strong{font-size:15.5px}
  .brand-text em{font-size:11px}
  .header-actions .btn span{display:none}
  .header-actions .btn{padding:10px 14px}
  .news-list{padding:8px 18px}
}
@media (max-width:520px){
  .timeline{grid-template-columns:minmax(0,1fr)}
  .hero h1{font-size:23px}
  .hero-lead{font-size:14.5px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .card,.dl-card,.scene-card,.compare,.form-panel,.news-side{border-radius:18px;padding:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --ink:#0A1020; --ink-2:#101A2E; --ink-3:#182642;
  --gold:#D8A93A; --gold-2:#F2CE73; --gold-soft:rgba(216,169,58,.12); --gold-line:rgba(216,169,58,.32);
  --paper:#F6F7FB; --card:#FFFFFF; --text:#101828; --muted:#5A6478; --line:#E4E8F0;
  --r-lg:24px; --r-md:16px; --r-sm:10px;
  --sh-1:0 10px 30px rgba(12,20,40,.08); --sh-2:0 18px 48px rgba(12,20,40,.16);
  --container:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--text);line-height:1.7;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 20px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241a02;font-weight:800;font-size:14px;letter-spacing:.5px;box-shadow:0 6px 16px rgba(216,169,58,.35)}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.3px;line-height:1.3;white-space:nowrap}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.6px}
.header-actions{display:flex;align-items:center;gap:10px}
.header-nav{background:var(--ink);border-top:1px solid rgba(255,255,255,.06)}
.nav-icons{display:flex;gap:8px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.nav-icons::-webkit-scrollbar{display:none}
.nav-item{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:12px;font-size:14px;color:rgba(255,255,255,.72);white-space:nowrap;transition:background .2s ease,color .2s ease}
.nav-item i{font-size:13px;color:rgba(242,206,115,.85)}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:linear-gradient(135deg,rgba(242,206,115,.24),rgba(216,169,58,.14));color:var(--gold-2);box-shadow:inset 0 0 0 1px rgba(216,169,58,.38)}
.nav-item.active i{color:var(--gold-2)}
.nav-item:focus-visible,.btn:focus-visible,.footer-col a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241a02;box-shadow:0 8px 20px rgba(216,169,58,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(216,169,58,.42);color:#241a02}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--gold);color:#8a6a12;transform:translateY(-2px)}
.btn-outline-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff}
.btn-block{width:100%}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;padding:30px 0 66px;color:#fff;background:
  radial-gradient(900px 420px at 88% -14%,rgba(216,169,58,.26),transparent 62%),
  radial-gradient(700px 380px at 4% 8%,rgba(56,90,168,.28),transparent 65%),
  linear-gradient(180deg,#0A1020 0%,#101A2E 58%,#0A1020 100%)}
.article-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(600px 300px at 70% 0%,#000,transparent 78%);-webkit-mask-image:radial-gradient(600px 300px at 70% 0%,#000,transparent 78%)}
.article-hero .site-container{position:relative;z-index:2}
.hero-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.58)}
.hero-crumbs a:hover{color:var(--gold-2)}
.hero-crumbs i{font-size:10px;color:rgba(255,255,255,.35)}
.hero-crumbs .current{color:rgba(255,255,255,.82);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:32px;align-items:start;margin-top:24px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(216,169,58,.16);border:1px solid rgba(216,169,58,.4);color:var(--gold-2);font-size:13px;letter-spacing:.3px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.article-hero h1{font-size:clamp(24px,3.2vw,40px);line-height:1.34;font-weight:800;letter-spacing:.2px;overflow-wrap:break-word;color:#fff}
.article-lead{margin-top:18px;font-size:15.5px;line-height:1.95;color:rgba(255,255,255,.78);max-width:760px}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;padding-top:20px;border-top:1px dashed rgba(255,255,255,.18);font-size:13.5px;color:rgba(255,255,255,.66)}
.article-meta span{display:inline-flex;align-items:center;gap:8px;min-width:0}
.article-meta i{color:var(--gold-2);font-size:12px}
.hero-side{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:22px;backdrop-filter:blur(10px);box-shadow:0 18px 40px rgba(0,0,0,.28)}
.hero-side h2{font-size:14.5px;font-weight:700;color:#fff;display:flex;align-items:center;gap:9px;margin-bottom:14px}
.hero-side h2 i{color:var(--gold-2)}
.topic-chips{display:flex;flex-wrap:wrap;gap:9px}
.topic-chips span{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;font-size:12.5px;color:rgba(255,255,255,.82);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13)}
.hero-side-note{margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.16);font-size:12.8px;line-height:1.85;color:rgba(255,255,255,.6)}

/* ---------- sections ---------- */
.section{padding:clamp(46px,5.4vw,82px) 0}
.section-white{background:#fff}
.section-alt{background:var(--paper)}
.section-dark{background:linear-gradient(180deg,#0A1020,#101A2E);color:#fff}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(20px,2.4vw,30px);font-weight:800;line-height:1.42}
.section-head p{margin-top:12px;font-size:15px;line-height:1.9;color:var(--muted)}
.section-dark .section-head p{color:rgba(255,255,255,.7)}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.2px;color:#96731a;background:var(--gold-soft);border:1px solid var(--gold-line);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.section-dark .eyebrow{color:var(--gold-2);background:rgba(216,169,58,.16);border-color:rgba(216,169,58,.36)}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:26px;align-items:start}
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:clamp(20px,3.4vw,44px);min-width:0}
.article-body{font-size:16.2px;line-height:1.95;color:#1B2436;overflow-wrap:break-word}
.article-body>:first-child{margin-top:0}
.article-body h2{font-size:clamp(19px,2.2vw,24px);font-weight:800;line-height:1.5;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--gold)}
.article-body h3{font-size:17.5px;font-weight:700;margin:26px 0 12px;color:#0F1729}
.article-body h4{font-size:16px;font-weight:700;margin:20px 0 10px;color:#0F1729}
.article-body p{margin:0 0 16px}
.article-body ul{list-style:disc;padding-left:22px;margin:0 0 18px}
.article-body ol{list-style:decimal;padding-left:22px;margin:0 0 18px}
.article-body li{margin:8px 0}
.article-body a{color:#8a6a12;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#5d4708}
.article-body strong{color:#0F1729}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--gold-soft);border-left:4px solid var(--gold);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#4A3B12;font-size:15.4px}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.6px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:#F8F6EE;font-weight:700}
.article-body img{border-radius:var(--r-md);margin:18px 0;max-width:100%;height:auto}
.article-body iframe,.article-body video{max-width:100%;border-radius:var(--r-md)}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:26px 0}
.article-empty{text-align:center;padding:44px 16px;color:var(--muted);font-size:15.5px}
.article-empty a{display:inline-block;margin-top:14px;color:#8a6a12;font-weight:700;text-decoration:underline;text-underline-offset:4px}

.side-stack{display:flex;flex-direction:column;gap:18px;min-width:0}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);min-width:0}
.side-panel h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:9px;margin-bottom:14px;color:#0F1729}
.side-panel h3 i{color:var(--gold)}
.side-list li{display:flex;justify-content:space-between;gap:14px;font-size:13.6px;padding:9px 0;border-bottom:1px dashed var(--line);color:var(--muted);min-width:0}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list b{color:var(--text);font-weight:600;text-align:right;overflow-wrap:break-word}
.side-note{margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);background:var(--gold-soft);border:1px solid var(--gold-line);font-size:12.8px;line-height:1.85;color:#6b5410}
.dl-mini{display:grid;gap:10px}
.dl-mini .btn{justify-content:flex-start;padding:10px 16px;font-size:13.6px}
.dl-mini .btn i{width:16px}

/* ---------- point cards ---------- */
.point-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.point-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;min-width:0}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--gold-line)}
.point-index{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:var(--gold-soft);border:1px solid var(--gold-line);color:#96731a;font-weight:800;font-size:14px;margin-bottom:14px}
.point-card h3{font-size:17px;font-weight:800;margin-bottom:10px;line-height:1.5}
.point-card p{font-size:14.6px;line-height:1.9;color:var(--muted)}

/* ---------- topic rail ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 18px;min-width:0;transition:border-color .2s ease,box-shadow .2s ease}
.topic-card:hover{border-color:var(--gold-line);box-shadow:var(--sh-1)}
.topic-card i{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--gold-soft);color:#96731a;font-size:15px;margin-bottom:12px}
.topic-card h3{font-size:15.4px;font-weight:700;margin-bottom:8px}
.topic-card p{font-size:13.6px;line-height:1.85;color:var(--muted)}

/* ---------- risk ---------- */
.risk-card{background:linear-gradient(120deg,rgba(216,169,58,.16),rgba(255,255,255,.05));border:1px solid rgba(216,169,58,.34);border-radius:var(--r-lg);padding:clamp(22px,3vw,34px);display:grid;grid-template-columns:auto minmax(0,1fr);gap:20px;align-items:start}
.risk-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:rgba(216,169,58,.2);border:1px solid rgba(216,169,58,.42);color:var(--gold-2);font-size:20px}
.risk-card h2{font-size:clamp(19px,2.2vw,24px);font-weight:800;color:#fff;margin-bottom:12px}
.risk-card p{font-size:14.8px;line-height:1.95;color:rgba(255,255,255,.78)}
.risk-list{margin-top:14px;display:grid;gap:9px}
.risk-list li{display:flex;gap:10px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.76)}
.risk-list i{color:var(--gold-2);font-size:11px;margin-top:8px}

/* ---------- download ---------- */
.dl-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:clamp(22px,3.2vw,38px);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:26px;align-items:center}
.dl-copy h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;line-height:1.45;margin-bottom:12px}
.dl-copy p{font-size:14.8px;line-height:1.92;color:var(--muted)}
.dl-features{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.dl-features span{display:inline-flex;align-items:center;gap:7px;font-size:12.8px;color:#7a5f11;background:var(--gold-soft);border:1px solid var(--gold-line);border-radius:999px;padding:6px 12px}
.dl-features i{font-size:11px}
.dl-buttons{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
.dl-btn{display:flex;align-items:center;gap:14px;padding:14px 18px;border-radius:var(--r-md);border:1px solid var(--line);background:#FBFBFD;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;min-width:0}
.dl-btn:hover{transform:translateY(-2px);border-color:var(--gold);box-shadow:0 12px 26px rgba(216,169,58,.2)}
.dl-btn .ico{width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241a02;font-size:16px}
.dl-btn .txt{display:flex;flex-direction:column;min-width:0}
.dl-btn .txt strong{font-size:14.6px;font-weight:700;line-height:1.4}
.dl-btn .txt em{font-style:normal;font-size:12.4px;color:var(--muted);overflow-wrap:break-word}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 20px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--gold-line);box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:15.4px;font-weight:700;color:#0F1729}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--gold);transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item p{margin-top:12px;font-size:14.6px;line-height:1.92;color:var(--muted)}

/* ---------- closing ---------- */
.closing{background:linear-gradient(120deg,#0A1020,#182642);border-radius:var(--r-lg);padding:clamp(24px,3.4vw,40px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;color:#fff}
.closing h2{font-size:clamp(19px,2.2vw,25px);font-weight:800;line-height:1.5}
.closing p{margin-top:10px;font-size:14.6px;line-height:1.9;color:rgba(255,255,255,.74);max-width:640px}

/* ---------- footer ---------- */
.site-footer{background:linear-gradient(180deg,#0A1020,#101A2E);color:rgba(255,255,255,.76);padding:clamp(44px,5vw,72px) 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(2,minmax(0,1fr));gap:30px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand > span:not(.brand-mark){display:flex;flex-direction:column;min-width:0}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;line-height:1.4}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.5px}
.footer-desc{font-size:13.8px;line-height:1.92;color:rgba(255,255,255,.62);max-width:430px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.6px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--gold-2)}
.footer-risk{margin-top:34px;padding:16px 18px;border-radius:var(--r-md);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);font-size:12.8px;line-height:1.9;color:rgba(255,255,255,.6)}
.footer-bottom{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.8px;color:rgba(255,255,255,.5)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-hero-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .point-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-panel{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .header-top{flex-wrap:wrap;row-gap:10px}
  .brand-text strong{font-size:16px}
  .article-hero{padding:22px 0 52px}
  .point-grid,.topic-grid,.dl-buttons{grid-template-columns:minmax(0,1fr)}
  .risk-card{grid-template-columns:minmax(0,1fr)}
  .risk-icon{width:44px;height:44px;font-size:17px;border-radius:13px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .closing{flex-direction:column;align-items:flex-start}
  .article-meta{gap:14px;font-size:12.8px}
}
@media (max-width:520px){
  .site-container{padding:0 16px}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:12.5px}
  .brand-text em{font-size:11px}
  .btn{padding:10px 18px;font-size:13.6px}
  .btn-sm{padding:8px 14px;font-size:12.8px}
  .article-hero h1{font-size:22px}
  .article-lead{font-size:14.6px}
  .article-body{font-size:15.6px}
  .faq-item{padding:14px 16px}
  .faq-item summary{font-size:14.6px}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
:root{
  --ink:#0A1020; --ink-2:#101A2E; --ink-3:#182642;
  --gold:#D8A93A; --gold-2:#F2CE73; --gold-soft:rgba(216,169,58,.12); --gold-line:rgba(216,169,58,.32);
  --paper:#F6F7FB; --card:#FFFFFF; --text:#101828; --muted:#5A6478; --line:#E4E8F0;
  --r-lg:24px; --r-md:16px; --r-sm:10px;
  --sh-1:0 10px 30px rgba(12,20,40,.08); --sh-2:0 18px 48px rgba(12,20,40,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--text);line-height:1.7;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* header（与首页一致） */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 20px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241a02;font-weight:800;font-size:14px;letter-spacing:.5px;box-shadow:0 6px 16px rgba(216,169,58,.35)}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.3px;line-height:1.3;white-space:nowrap}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.6px}
.header-actions{display:flex;align-items:center;gap:10px}
.header-nav{background:var(--ink);border-top:1px solid rgba(255,255,255,.06)}
.nav-icons{display:flex;gap:8px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.nav-icons::-webkit-scrollbar{display:none}
.nav-item{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:12px;font-size:14px;color:rgba(255,255,255,.72);white-space:nowrap;transition:background .2s ease,color .2s ease}
.nav-item i{font-size:13px;color:rgba(242,206,115,.85)}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:linear-gradient(135deg,rgba(242,206,115,.24),rgba(216,169,58,.14));color:var(--gold-2);box-shadow:inset 0 0 0 1px rgba(216,169,58,.38)}
.nav-item.active i{color:var(--gold-2)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241a02;box-shadow:0 8px 20px rgba(216,169,58,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(216,169,58,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--gold);color:#8a6a12;transform:translateY(-2px)}
.btn-outline-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-block{width:100%}

/* 分类页 Hero */
.cat-hero{padding:44px 0 60px;color:#fff;background:
  radial-gradient(880px 400px at 90% -18%,rgba(216,169,58,.26),transparent 62%),
  radial-gradient(680px 360px at 4% 12%,rgba(56,90,168,.26),transparent 66%),
  linear-gradient(180deg,#0A1020 0%,#101A2E 60%,#0A1020 100%)}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:30px;align-items:start}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(216,169,58,.16);border:1px solid rgba(216,169,58,.4);color:var(--gold-2);font-size:13px;letter-spacing:.3px}
.cat-hero h1{margin:18px 0 16px;font-size:clamp(25px,3.2vw,40px);line-height:1.34;font-weight:800;letter-spacing:.2px;overflow-wrap:break-word}
.hero-lead{font-size:15.5px;line-height:1.95;color:rgba(255,255,255,.78);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;padding-top:22px;border-top:1px dashed rgba(255,255,255,.16)}
.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;font-size:12.5px;color:rgba(255,255,255,.82);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
.chip i{color:var(--gold-2);font-size:11px}
.cat-hero-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-2)}
.panel-title{font-size:16px;font-weight:800;color:#fff;display:flex;align-items:center;gap:9px;margin-bottom:6px}
.panel-title i{color:var(--gold-2)}
.panel-sub{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px}
.check-list li{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.13);font-size:13.8px;line-height:1.8;color:rgba(255,255,255,.8)}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list i{color:var(--gold-2);font-size:12px;margin-top:7px;flex:0 0 auto}

/* 板块 */
.section{padding:clamp(50px,6vw,84px) 0}
.section-white{background:#fff}
.section-alt{background:var(--paper)}
.section-dark{background:linear-gradient(180deg,#0A1020,#101A2E);color:#fff}
.section-head{max-width:800px;margin-bottom:32px}
.section-head h2{font-size:clamp(21px,2.5vw,30px);font-weight:800;line-height:1.42;letter-spacing:.2px}
.section-head p{margin-top:12px;font-size:15px;line-height:1.9;color:var(--muted)}
.section-dark .section-head p{color:rgba(255,255,255,.72)}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.2px;color:#96731a;background:var(--gold-soft);border:1px solid var(--gold-line);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.section-dark .eyebrow{color:var(--gold-2);background:rgba(216,169,58,.16);border-color:rgba(216,169,58,.36)}

.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.grid-2>*,.grid-3>*,.grid-4>*{min-width:0}

/* 下载区 */
.download-panel{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:28px;align-items:center;padding:34px;border-radius:var(--r-lg);background:
  radial-gradient(560px 260px at 92% -30%,rgba(216,169,58,.28),transparent 62%),
  linear-gradient(120deg,#0A1020,#16233C);color:#fff;border:1px solid rgba(216,169,58,.28);box-shadow:var(--sh-2)}
.download-panel h2{font-size:clamp(20px,2.3vw,26px);font-weight:800;line-height:1.45}
.download-panel p{margin-top:12px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.75)}
.dl-buttons{display:grid;grid-template-columns:1fr;gap:12px}
.dl-btn{display:flex;align-items:center;gap:14px;padding:14px 18px;border-radius:var(--r-md);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);transition:transform .18s ease,background .18s ease,border-color .18s ease}
.dl-btn:hover{transform:translateY(-2px);background:rgba(216,169,58,.18);border-color:rgba(216,169,58,.5)}
.dl-btn i{width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241a02;font-size:15px}
.dl-btn strong{display:block;font-size:14.5px;font-weight:700;color:#fff}
.dl-btn span{display:block;font-size:12.5px;color:rgba(255,255,255,.62)}

/* 参数看板 */
.spec-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--gold-line)}
.spec-no{font-size:12px;font-weight:800;letter-spacing:1.4px;color:var(--gold);margin-bottom:10px}
.spec-card h3{font-size:16.5px;font-weight:800;margin-bottom:10px}
.spec-card p{font-size:14px;color:var(--muted);line-height:1.85}

/* 实务要点卡 */
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--gold-line)}
.info-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--gold-soft);border:1px solid var(--gold-line);color:#96731a;font-size:17px;margin-bottom:16px}
.info-card h3{font-size:16.5px;font-weight:800;margin-bottom:10px}
.info-card p{font-size:14px;color:var(--muted);line-height:1.88}
.info-card ul{margin-top:12px}
.info-card ul li{position:relative;padding-left:16px;font-size:13.5px;color:var(--muted);line-height:1.9}
.info-card ul li::before{content:"";position:absolute;left:0;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* 对照 */
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;min-width:0}
.compare-card .ratio{font-size:26px;font-weight:800;color:#96731a;line-height:1.2}
.compare-card .ratio small{font-size:13px;font-weight:600;color:var(--muted);margin-left:4px}
.compare-card dl{margin:16px 0 0}
.compare-card dt{font-size:12.5px;color:var(--muted);letter-spacing:.4px}
.compare-card dd{margin:2px 0 12px;font-size:15px;font-weight:700;color:var(--text)}
.compare-card dd:last-child{margin-bottom:0}
.compare-note{margin-top:20px;font-size:13px;color:var(--muted);line-height:1.85;padding:14px 18px;background:#fff;border:1px dashed var(--gold-line);border-radius:var(--r-sm)}

/* 流程 */
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;min-width:0}
.step-idx{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:var(--gold-2);font-weight:800;font-size:14px;margin-bottom:14px}
.step-card h3{font-size:16px;font-weight:800;margin-bottom:8px}
.step-card p{font-size:13.8px;color:var(--muted);line-height:1.88}

/* 误区 */
.pitfall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.pitfall-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--r-sm);padding:18px 20px;min-width:0}
.pitfall-item i{color:#b4801c;font-size:16px;margin-top:4px;flex:0 0 auto}
.pitfall-item h3{font-size:15.5px;font-weight:800;margin-bottom:6px}
.pitfall-item p{font-size:13.8px;color:var(--muted);line-height:1.85}

/* 资讯列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;min-width:0;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--gold-line)}
.post-tag{align-self:flex-start;font-size:12px;color:#96731a;background:var(--gold-soft);border:1px solid var(--gold-line);border-radius:999px;padding:3px 10px}
.post-card h3{font-size:15.5px;font-weight:800;line-height:1.6;overflow-wrap:break-word}
.post-date{font-size:12.5px;color:var(--muted);margin-top:auto}
.post-empty{padding:26px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);color:var(--muted);font-size:14px}

/* FAQ */
.faq-list{display:grid;grid-template-columns:1fr;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 22px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:var(--gold-line);box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;font-size:15.5px;font-weight:700;line-height:1.7}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--gold);font-size:13px;margin-top:7px;flex:0 0 auto;transition:transform .2s ease}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.9}

/* 表单 */
.lead-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:32px;align-items:start}
.lead-copy h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;line-height:1.45;margin-bottom:14px}
.lead-copy p{font-size:14.6px;color:var(--muted);line-height:1.95}
.lead-points{margin-top:22px;display:grid;gap:12px}
.lead-points li{display:flex;gap:10px;font-size:14px;color:var(--text);line-height:1.8}
.lead-points i{color:var(--gold);margin-top:6px;flex:0 0 auto;font-size:12px}
.lead-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1)}
.field{margin-bottom:16px;min-width:0}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:#FBFCFE;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px rgba(216,169,58,.16)}
.field textarea{resize:vertical;min-height:96px}
.form-tip{font-size:12.5px;color:var(--muted);line-height:1.8;margin-top:12px}

/* 页脚 */
.site-footer{background:linear-gradient(180deg,#0A1020,#101A2E);color:rgba(255,255,255,.78);padding:52px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr) minmax(0,1fr);gap:32px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand strong{display:block;color:#fff;font-size:16.5px;font-weight:800;line-height:1.3}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.6px}
.footer-desc{font-size:13.6px;line-height:1.95;color:rgba(255,255,255,.62);max-width:520px}
.footer-col h4{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:13.6px;color:rgba(255,255,255,.66)}
.footer-col ul li a:hover{color:var(--gold-2)}
.footer-risk{margin:22px 0 0;font-size:12.6px;line-height:1.9;color:rgba(255,255,255,.5);padding:16px 18px;border:1px solid rgba(255,255,255,.1);border-radius:var(--r-sm);background:rgba(255,255,255,.03)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;margin-top:20px;font-size:12.6px;color:rgba(255,255,255,.52)}

/* 响应式 */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:26px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .download-panel{grid-template-columns:1fr;padding:28px}
  .lead-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .header-top{flex-wrap:wrap;gap:10px}
  .grid-2,.grid-3,.grid-4,.post-grid,.pitfall{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:44px 0}
  .download-panel{padding:22px}
  .lead-form{padding:20px}
}
@media (max-width:520px){
  .site-container{padding:0 16px}
  .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:13px}
  .brand-text strong{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .nav-item{padding:8px 13px;font-size:13.4px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}