/* roulang page: index */
:root{
  --ink:#0b1624;
  --ink-soft:#14263c;
  --gold:#c9a24d;
  --gold-2:#e0c07a;
  --paper:#f7f5ef;
  --card:#ffffff;
  --text:#1b2431;
  --muted:#5f6b7a;
  --line:#e5e0d4;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 44px rgba(15,25,40,.10);
  --shadow-sm:0 8px 20px rgba(15,25,40,.07);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  padding-bottom:62px;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
.site-container{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,22,36,.95);
  border-bottom:1px solid rgba(201,162,77,.22);
  backdrop-filter:blur(10px);
}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:0 24px;
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:11px;min-width:0;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(140deg,#e0c07a,#b98f38);
  color:#1a1206;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(201,162,77,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-name{color:#fff;font-size:17px;font-weight:700;letter-spacing:.4px;white-space:nowrap;}
.brand-sub{color:#93a3b8;font-size:12px;letter-spacing:1.5px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  color:#c9d3e0;font-size:15px;padding:8px 16px;border-radius:999px;
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link.is-active{color:#1a1206;background:linear-gradient(135deg,#e0c07a,#bd9440);font-weight:600;}
.nav-dl{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 20px;border-radius:999px;font-size:15px;font-weight:600;
  color:#1a1206;background:linear-gradient(135deg,#e6c983,#c19a44);
  box-shadow:0 8px 20px rgba(201,162,77,.3);
  transition:transform .22s ease,box-shadow .22s ease;
}
.nav-dl:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,162,77,.42);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  color:#fff;font-size:20px;line-height:1;cursor:pointer;
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{background:linear-gradient(135deg,#e2c47e,#b98f38);color:#1a1206;box-shadow:0 12px 26px rgba(201,162,77,.32);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(201,162,77,.44);}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.07);color:#eef3f9;border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-2px);}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-line:hover{border-color:var(--gold);color:#8a6a1f;transform:translateY(-2px);}

/* hero */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:74px 0 82px;
  background:
    radial-gradient(circle at 82% -12%,rgba(214,178,94,.30),transparent 56%),
    radial-gradient(circle at 6% 108%,rgba(70,116,168,.30),transparent 58%),
    linear-gradient(158deg,#0b1624 0%,#102034 56%,#0c1a2b 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:100% 56px;opacity:.5;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:54px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;font-size:13px;letter-spacing:1px;
  color:#e8cf9a;background:rgba(201,162,77,.14);border:1px solid rgba(201,162,77,.4);
}
.hero-title{
  margin-top:20px;
  font-size:clamp(27px,3.3vw,42px);line-height:1.3;letter-spacing:-.4px;font-weight:800;
  color:#fff;
}
.hero-title span{color:var(--gold-2);}
.hero-text{margin-top:18px;color:#b8c6d8;font-size:16px;line-height:1.92;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.13);color:#9fb0c5;font-size:13.5px;
}
.hero-meta strong{display:block;color:#fff;font-size:19px;font-weight:700;margin-bottom:2px;}

.hero-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.15);
  border-radius:22px;padding:22px;
  box-shadow:0 26px 60px rgba(4,10,20,.45);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px;}
.panel-title{font-size:15px;font-weight:700;color:#fff;}
.panel-badge{font-size:12px;color:#e0c07a;border:1px solid rgba(224,192,122,.5);border-radius:999px;padding:2px 10px;}
.slot-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;}
.slot-tab{
  padding:9px 4px;border-radius:10px;font-size:13.5px;cursor:pointer;
  background:transparent;color:#c7d3e2;border:1px solid rgba(255,255,255,.18);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.slot-tab:hover{background:rgba(255,255,255,.1);color:#fff;}
.slot-tab.is-active{background:linear-gradient(135deg,#e2c47e,#bd9440);color:#1a1206;border-color:transparent;font-weight:700;}
.slot-body{margin-top:18px;min-height:186px;}
.slot-pane{display:none;}
.slot-pane.is-active{display:block;animation:fade .28s ease;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.slot-pane h3{font-size:15px;color:var(--gold-2);margin-bottom:8px;}
.slot-pane p{font-size:14px;line-height:1.85;color:#c2cfdf;}
.slot-list{margin-top:10px;}
.slot-list li{
  position:relative;padding-left:16px;font-size:13.5px;line-height:1.8;color:#aebccd;margin-bottom:6px;
}
.slot-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--gold);}
.slot-note{margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.16);font-size:12.5px;color:#8e9fb4;}

/* sections */
.section{padding:76px 0;}
.section-white{background:#fff;}
.section-ink{background:var(--ink);color:#dbe4ef;}
.sec-head{max-width:780px;margin-bottom:40px;}
.sec-label{
  display:inline-block;font-size:13px;letter-spacing:2px;color:#9a7629;
  border-left:3px solid var(--gold);padding-left:10px;margin-bottom:14px;
}
.section-ink .sec-label{color:var(--gold-2);}
.sec-title{font-size:clamp(21px,2.4vw,30px);line-height:1.4;font-weight:800;letter-spacing:-.2px;}
.section-ink .sec-title{color:#fff;}
.sec-sub{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9;}
.section-ink .sec-sub{color:#a9b8ca;}

/* grids */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-6{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2>*,.grid-3>*,.grid-6>*{min-width:0;}

/* cards */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8cdad;}
.card-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;font-weight:800;font-size:15px;
  color:#8a6a1f;background:#f4ecd8;margin-bottom:14px;
}
.card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.card p{color:var(--muted);font-size:14.5px;line-height:1.85;}

/* summary list */
.summary-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 32px;}
.summary-item{display:flex;gap:14px;align-items:flex-start;min-width:0;}
.summary-index{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e2c47e,#b98f38);color:#1a1206;font-weight:800;font-size:13px;
}
.summary-item p{font-size:15px;line-height:1.8;color:#33404f;}

/* split */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;}
.split-media{
  background:linear-gradient(160deg,#0f1e31,#16293f);
  border-radius:20px;padding:28px;color:#c6d2e2;box-shadow:var(--shadow);
  border:1px solid rgba(201,162,77,.24);
}
.split-media .media-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.media-row{
  display:flex;justify-content:space-between;gap:14px;padding:12px 0;
  border-bottom:1px dashed rgba(255,255,255,.14);font-size:14px;
}
.media-row:last-child{border-bottom:none;}
.media-row span:last-child{color:var(--gold-2);white-space:nowrap;}
.prose p{color:var(--muted);font-size:15.5px;line-height:1.95;margin-bottom:14px;}
.prose strong{color:#1b2431;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px 26px;box-shadow:var(--shadow-sm);min-width:0;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-16px;left:26px;
  font-size:13px;font-weight:800;letter-spacing:1px;color:#1a1206;
  background:linear-gradient(135deg,#e2c47e,#b98f38);
  padding:4px 12px;border-radius:999px;
}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.step p{color:var(--muted);font-size:14.5px;line-height:1.85;}

/* audience */
.audience{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.aud-card{border-radius:var(--radius);padding:28px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);min-width:0;}
.aud-card h3{font-size:17px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.aud-dot{width:10px;height:10px;border-radius:50%;display:inline-block;}
.aud-yes .aud-dot{background:#2f8f6b;}
.aud-no .aud-dot{background:#b8593f;}
.aud-card li{
  position:relative;padding-left:18px;font-size:15px;line-height:1.85;color:#3a4655;margin-bottom:9px;
}
.aud-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:#c3bda9;}
.aud-yes li::before{background:#7dbfa4;}
.aud-no li::before{background:#d3a094;}

/* compare */
.compare{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);}
.compare-head,.compare-row{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.05fr) minmax(0,1.05fr);}
.compare-head>div,.compare-row>div{padding:16px 20px;font-size:14.5px;border-bottom:1px solid var(--line);min-width:0;}
.compare-head>div{background:#f4efe2;font-weight:700;color:#6d5520;font-size:14px;}
.compare-row:last-child>div{border-bottom:none;}
.compare-row>div:first-child{font-weight:600;color:#26313f;background:#fbfaf6;}
.compare-row>div:nth-child(2){color:#7d8794;}
.compare-row>div:nth-child(3){color:#2c5c48;background:#f7fbf9;}

/* checklist */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 32px;}
.check-item{display:flex;gap:12px;min-width:0;align-items:flex-start;}
.check-box{
  flex:0 0 22px;width:22px;height:22px;border-radius:6px;margin-top:3px;
  border:1.5px solid rgba(201,162,77,.6);background:rgba(201,162,77,.12);
  display:flex;align-items:center;justify-content:center;color:#a9812c;font-size:12px;font-weight:800;
}
.section-ink .check-item p{color:#c3d0df;font-size:15px;line-height:1.8;}
.risk-note{
  margin-top:30px;padding:18px 22px;border-radius:14px;
  background:rgba(201,162,77,.1);border:1px solid rgba(201,162,77,.34);
  font-size:14px;line-height:1.85;color:#e6d7b4;
}

/* news */
.news-wrap{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,.85fr);gap:34px;align-items:start;}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px 22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d8cdad;}
.news-title{font-size:16.5px;font-weight:700;line-height:1.55;color:#1b2431;}
.news-item:hover .news-title{color:#8a6a1f;}
.news-abs{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8;}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;font-size:12.5px;color:#96a0ac;}
.news-meta span{padding:2px 10px;border-radius:999px;background:#f4f1e8;}
.news-empty{font-size:15px;color:var(--muted);padding:26px;border:1px dashed var(--line);border-radius:14px;background:#fff;}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);}
.side-box h3{font-size:16px;font-weight:700;margin-bottom:14px;}
.side-box li{
  position:relative;padding-left:16px;font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:10px;
}
.side-box li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--gold);}
.side-box .btn{width:100%;margin-top:12px;}

/* entry */
.entry-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:linear-gradient(145deg,#0f1e31,#172b43);color:#fff;
  border-radius:20px;padding:32px 34px;border:1px solid rgba(201,162,77,.26);
  box-shadow:var(--shadow);
}
.entry-card h3{font-size:20px;font-weight:800;margin-bottom:8px;}
.entry-card p{color:#a9b9cc;font-size:14.5px;line-height:1.85;max-width:620px;}

/* download */
.dl-section{
  background:linear-gradient(160deg,#0c1a2b,#12263c 60%,#0d1c2d);
  color:#fff;
}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:34px;}
.dl-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius);padding:26px;text-align:center;min-width:0;
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.dl-card:hover{transform:translateY(-4px);border-color:rgba(201,162,77,.55);background:rgba(255,255,255,.09);}
.dl-icon{
  width:52px;height:52px;margin:0 auto 14px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e2c47e,#b98f38);color:#1a1206;font-weight:800;font-size:15px;
}
.dl-card h3{font-size:16.5px;font-weight:700;margin-bottom:6px;color:#fff;}
.dl-card p{font-size:13.5px;color:#98a9bd;line-height:1.8;margin-bottom:18px;}
.dl-btn{
  display:block;width:100%;padding:12px 10px;border-radius:999px;font-size:14.5px;font-weight:700;
  background:rgba(255,255,255,.1);color:#f2f6fb;border:1px solid rgba(255,255,255,.25);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.dl-btn:hover{background:linear-gradient(135deg,#e6c983,#c19a44);color:#1a1206;border-color:transparent;transform:translateY(-2px);}
.dl-note{margin-top:24px;font-size:13px;color:#8e9fb4;line-height:1.85;}

/* faq */
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0;overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:12px;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:16px;font-weight:700;color:#1b2431;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;color:var(--gold);line-height:1;font-weight:400;}
.faq-item[open] summary::after{content:"–";}
.faq-item summary:hover{background:#fbf8f0;color:#8a6a1f;}
.faq-item p{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.9;}

/* cta */
.cta-band{
  background:linear-gradient(120deg,#101f33,#1a3450);
  border-radius:22px;padding:44px 40px;color:#fff;text-align:center;
  border:1px solid rgba(201,162,77,.28);box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;line-height:1.45;}
.cta-band p{margin:14px auto 0;max-width:720px;color:#aebabf;font-size:15px;line-height:1.9;color:#a9b8ca;}
.cta-band .hero-actions{justify-content:center;}

/* footer */
.site-footer{background:#0a1420;color:#8e9fb4;padding:56px 0 26px;border-top:1px solid rgba(201,162,77,.2);}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr) minmax(0,.8fr);gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:18px;}
.footer-brand strong{color:#fff;font-size:16.5px;letter-spacing:.4px;}
.footer-desc{font-size:14px;line-height:1.9;color:#8697ab;max-width:420px;}
.footer-col h4{color:#e3e9f1;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:14px;color:#93a3b8;transition:color .2s ease;}
.footer-col a:hover{color:var(--gold-2);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#708196;
}
.footer-risk{margin-top:18px;font-size:12.5px;line-height:1.9;color:#6d7f93;max-width:900px;}

/* sticky bar */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(10,20,32,.97);border-top:1px solid rgba(201,162,77,.34);
  padding:10px 0;backdrop-filter:blur(8px);
}
.sticky-inner{
  max-width:var(--max);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.sticky-text{font-size:14px;color:#c2cfdf;}
.sticky-text b{color:var(--gold-2);font-weight:700;}
.sticky-bar .btn{padding:10px 24px;font-size:14px;}

/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .hero-panel{max-width:620px;}
  .split{grid-template-columns:minmax(0,1fr);gap:32px;}
  .grid-6{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-wrap{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:860px){
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-links{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#0d1b2c;border-bottom:1px solid rgba(201,162,77,.25);
    padding:12px 18px 18px;display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:11px 14px;border-radius:10px;}
  .nav-dl{display:none;}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .summary-list{grid-template-columns:minmax(0,1fr);}
  .check-grid{grid-template-columns:minmax(0,1fr);}
  .compare-head>div,.compare-row>div{padding:13px 14px;font-size:13.5px;}
}
@media (max-width:768px){
  body{padding-bottom:58px;}
  .section{padding:56px 0;}
  .hero{padding:52px 0 60px;}
  .grid-2,.grid-3,.grid-6,.audience,.steps,.dl-grid{grid-template-columns:minmax(0,1fr);}
  .slots{width:100%;}
  .cta-band{padding:34px 22px;}
  .entry-card{padding:26px 22px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .sticky-text{font-size:13px;}
}
@media (max-width:520px){
  .nav-inner{height:64px;padding:0 16px;}
  .nav-links{top:64px;}
  .site-container{padding:0 16px;}
  .brand-name{font-size:16px;}
  .brand-sub{font-size:11px;letter-spacing:1px;}
  .hero-title{font-size:25px;}
  .hero-text{font-size:15px;line-height:1.85;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:16px;}
  .slot-tabs{grid-template-columns:repeat(3,minmax(0,1fr));}
  .slot-tab{font-size:12.5px;padding:8px 2px;}
  .compare-head,.compare-row{grid-template-columns:minmax(0,1fr);}
  .compare-head>div:nth-child(1){display:none;}
  .compare-row>div:first-child{font-weight:700;background:#f4efe2;}
  .sticky-inner{padding:0 14px;gap:10px;}
  .sticky-bar .btn{padding:9px 18px;font-size:13.5px;white-space:nowrap;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --ink:#0b1624;
  --ink-soft:#14263c;
  --gold:#c9a24d;
  --gold-2:#e0c07a;
  --paper:#f7f5ef;
  --card:#ffffff;
  --text:#1b2431;
  --muted:#5f6b7a;
  --line:#e5e0d4;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 44px rgba(15,25,40,.10);
  --shadow-sm:0 8px 20px rgba(15,25,40,.07);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
}
h1,h2,h3,h4,h5,h6,p,ul,ol,dl,dd,figure,blockquote{margin:0;}
ul,ol{padding-left:1.15rem;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
button{font-family:inherit;}
.site-container{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,22,36,.95);
  border-bottom:1px solid rgba(201,162,77,.22);
  backdrop-filter:blur(10px);
}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:0 24px;
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:11px;min-width:0;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(140deg,#e0c07a,#b98f38);
  color:#1a1206;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(201,162,77,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-name{color:#fff;font-size:17px;font-weight:700;letter-spacing:.4px;white-space:nowrap;}
.brand-sub{color:#93a3b8;font-size:12px;letter-spacing:1.5px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  color:#c9d3e0;font-size:15px;padding:8px 16px;border-radius:999px;
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link.is-active{color:#1a1206;background:linear-gradient(135deg,#e0c07a,#bd9440);font-weight:600;}
.nav-dl{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 20px;border-radius:999px;font-size:15px;font-weight:600;
  color:#1a1206;background:linear-gradient(135deg,#e6c983,#c19a44);
  box-shadow:0 8px 20px rgba(201,162,77,.3);
  transition:transform .22s ease,box-shadow .22s ease;
}
.nav-dl:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,162,77,.42);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  color:#fff;font-size:20px;line-height:1;cursor:pointer;
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{background:linear-gradient(135deg,#e2c47e,#b98f38);color:#1a1206;box-shadow:0 12px 26px rgba(201,162,77,.32);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(201,162,77,.44);}
.btn-gold:active{transform:translateY(0);}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-line:hover{border-color:var(--gold);color:#8a6a1f;transform:translateY(-2px);}

/* article hero */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:52px 0 48px;
  background:
    radial-gradient(circle at 84% -20%,rgba(214,178,94,.28),transparent 58%),
    radial-gradient(circle at 4% 120%,rgba(70,116,168,.28),transparent 60%),
    linear-gradient(158deg,#0b1624 0%,#102034 58%,#0c1a2b 100%);
  border-bottom:1px solid rgba(201,162,77,.22);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:100% 56px;opacity:.45;
}
.hero-inner{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#93a3b8;}
.crumb a{color:#c9d3e0;transition:color .2s ease;}
.crumb a:hover{color:var(--gold-2);}
.crumb .sep{color:#5b6b80;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  padding:6px 16px;border-radius:999px;font-size:13px;letter-spacing:.6px;
  color:#e8cf9a;background:rgba(201,162,77,.14);border:1px solid rgba(201,162,77,.4);
}
.article-title{
  margin-top:16px;font-size:clamp(24px,3vw,38px);line-height:1.36;
  font-weight:800;letter-spacing:-.3px;color:#fff;max-width:920px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  color:#b9c7d8;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
}
.meta-chip strong{color:#fff;font-weight:600;}

/* layout */
.article-main{padding:56px 0 76px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start;}
.article-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:36px 38px;
}
.article-shell + .article-shell{margin-top:26px;}
.shell-label{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;
  color:#8a6a1f;background:#fbf6e9;border:1px solid #ecdfbe;border-radius:999px;padding:4px 14px;
}
.shell-title{margin-top:14px;font-size:clamp(19px,2.1vw,24px);line-height:1.45;font-weight:800;color:var(--ink);}
.shell-sub{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.9;}

/* article body */
.article-body{font-size:16.5px;line-height:1.95;color:#26313f;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(19px,2vw,22px);line-height:1.5;font-weight:800;color:var(--ink);
  margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--gold);border-radius:2px;
}
.article-body h3{font-size:17.5px;font-weight:700;color:var(--ink-soft);margin:26px 0 10px;}
.article-body h4{font-size:16px;font-weight:700;color:var(--ink-soft);margin:20px 0 8px;}
.article-body p{margin:0 0 18px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:1.35rem;}
.article-body li{margin-bottom:8px;}
.article-body blockquote{
  margin:0 0 18px;padding:14px 18px;border-left:3px solid var(--gold);
  background:#fbf8f0;color:#4a5665;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;}
.article-body th{background:#faf7f0;font-weight:700;color:var(--ink);}
.article-body a{color:#8a6a1f;text-decoration:underline;}
.article-body a:hover{color:#b98f38;}
.article-body img{border-radius:var(--radius-sm);margin:0 0 18px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:24px 0;}
.article-empty{text-align:center;padding:26px 0 10px;}
.article-empty h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:10px;}
.article-empty p{color:var(--muted);margin-bottom:22px;}

/* checklist */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px;}
.check-item{
  min-width:0;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fdfcfa;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-item:hover{transform:translateY(-3px);border-color:#e3d3a9;box-shadow:var(--shadow-sm);}
.check-item h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.check-item p{font-size:14.5px;line-height:1.85;color:var(--muted);margin:0;}

/* download */
.download-band{
  position:relative;overflow:hidden;margin-top:26px;padding:34px 34px 30px;
  border-radius:20px;color:#fff;
  background:
    radial-gradient(circle at 90% 0%,rgba(214,178,94,.26),transparent 58%),
    linear-gradient(150deg,#0b1624,#132542);
  box-shadow:0 22px 46px rgba(11,22,36,.28);
}
.download-band h2{font-size:clamp(19px,2.1vw,24px);font-weight:800;color:#fff;margin-bottom:10px;}
.download-band p{color:#a9b8ca;font-size:14.5px;line-height:1.9;margin:0;}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px;}
.dl-card{
  min-width:0;display:flex;flex-direction:column;gap:10px;
  padding:18px;border-radius:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.dl-card:hover{transform:translateY(-3px);border-color:rgba(224,192,122,.6);background:rgba(255,255,255,.1);}
.dl-name{font-size:15.5px;font-weight:700;color:#fff;}
.dl-note{font-size:13px;color:#9fb0c5;line-height:1.7;}
.dl-btn{
  margin-top:auto;display:inline-flex;align-items:center;justify-content:center;
  padding:10px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:#1a1206;background:linear-gradient(135deg,#e6c983,#c19a44);
  transition:transform .2s ease,box-shadow .2s ease;
}
.dl-btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(201,162,77,.38);}
.dl-tip{margin-top:18px;font-size:13px;color:#8fa1b6;line-height:1.8;}

/* channel entry */
.channel-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  margin-top:26px;padding:28px 30px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.channel-card h2{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.channel-card p{color:var(--muted);font-size:14.5px;line-height:1.85;max-width:620px;margin:0;}

/* risk */
.risk-strip{
  margin-top:26px;padding:22px 26px;border-radius:var(--radius);
  background:#fdf7ea;border:1px solid #ecdfbe;
  color:#6d5a2e;font-size:14px;line-height:1.9;
}
.risk-strip strong{color:#8a6a1f;}

/* side */
.article-side{position:sticky;top:90px;display:flex;flex-direction:column;gap:20px;min-width:0;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-title{
  font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.5px;
  padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.side-dl{margin:0;font-size:14px;}
.side-dl dt{color:#8a97a6;font-size:13px;margin-bottom:2px;}
.side-dl dd{margin:0 0 14px;color:var(--text);line-height:1.7;word-break:normal;overflow-wrap:anywhere;}
.side-dl dd:last-child{margin-bottom:0;}
.side-text{font-size:14px;line-height:1.9;color:var(--muted);margin:0;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{
  position:relative;padding-left:16px;font-size:14px;line-height:1.85;color:var(--muted);margin-bottom:10px;
}
.side-list li:last-child{margin-bottom:0;}
.side-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--gold);}
.side-link{
  display:inline-flex;align-items:center;justify-content:center;width:100%;
  margin-top:14px;padding:11px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:#1a1206;background:linear-gradient(135deg,#e6c983,#c19a44);
  transition:transform .2s ease,box-shadow .2s ease;
}
.side-link:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(201,162,77,.34);}

/* footer */
.site-footer{background:#0a1420;color:#93a3b8;padding:56px 0 26px;border-top:1px solid rgba(201,162,77,.2);}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;color:#fff;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px;border-radius:10px;}
.footer-desc{margin-top:14px;font-size:13.5px;line-height:1.9;color:#8697ac;max-width:520px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:#9aabc0;transition:color .2s ease;}
.footer-col a:hover{color:var(--gold-2);}
.footer-risk{
  margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);
  font-size:12.5px;line-height:1.9;color:#75869b;
}
.footer-bottom{
  margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:#6c7d92;
}

/* responsive */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;}
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-links{
    position:absolute;top:70px;left:0;right:0;display:none;flex-direction:column;
    align-items:stretch;gap:4px;padding:10px 18px 16px;
    background:#0b1624;border-bottom:1px solid rgba(201,162,77,.25);
    box-shadow:0 18px 34px rgba(4,10,20,.4);
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:12px 12px;border-radius:10px;}
  .nav-dl{display:none;}
}
@media (max-width:768px){
  .site-container{padding:0 18px;}
  .nav-inner{padding:0 18px;}
  .article-hero{padding:38px 0 36px;}
  .article-main{padding:38px 0 56px;}
  .article-shell{padding:24px 20px;}
  .article-body{font-size:16px;}
  .check-grid{grid-template-columns:minmax(0,1fr);}
  .dl-grid{grid-template-columns:minmax(0,1fr);}
  .download-band{padding:26px 22px;}
  .channel-card{padding:22px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .brand-sub{display:none;}
}
@media (max-width:520px){
  .article-title{font-size:22px;line-height:1.45;}
  .article-meta{gap:8px;}
  .meta-chip{font-size:12px;padding:5px 12px;}
  .article-shell{padding:20px 16px;border-radius:14px;}
  .btn{width:100%;padding:12px 18px;}
  .channel-card .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --ink:#0b1624;
  --ink-soft:#14263c;
  --gold:#c9a24d;
  --gold-2:#e0c07a;
  --paper:#f7f5ef;
  --card:#ffffff;
  --text:#1b2431;
  --muted:#5f6b7a;
  --line:#e5e0d4;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 44px rgba(15,25,40,.10);
  --shadow-sm:0 8px 20px rgba(15,25,40,.07);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:var(--paper);
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.site-container{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,22,36,.95);
  border-bottom:1px solid rgba(201,162,77,.22);
  backdrop-filter:blur(10px);
}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:0 24px;
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:11px;min-width:0;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(140deg,#e0c07a,#b98f38);
  color:#1a1206;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(201,162,77,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-name{color:#fff;font-size:17px;font-weight:700;letter-spacing:.4px;white-space:nowrap;}
.brand-sub{color:#93a3b8;font-size:12px;letter-spacing:1.5px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  color:#c9d3e0;font-size:15px;padding:8px 16px;border-radius:999px;
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link.is-active{color:#1a1206;background:linear-gradient(135deg,#e0c07a,#bd9440);font-weight:600;}
.nav-dl{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 20px;border-radius:999px;font-size:15px;font-weight:600;
  color:#1a1206;background:linear-gradient(135deg,#e6c983,#c19a44);
  box-shadow:0 8px 20px rgba(201,162,77,.3);
  transition:transform .22s ease,box-shadow .22s ease;
}
.nav-dl:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,162,77,.42);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  color:#fff;font-size:20px;line-height:1;cursor:pointer;
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-gold{background:linear-gradient(135deg,#e2c47e,#b98f38);color:#1a1206;box-shadow:0 12px 26px rgba(201,162,77,.32);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(201,162,77,.44);}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.07);color:#eef3f9;border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-2px);}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-line:hover{border-color:var(--gold);color:#8a6a1f;transform:translateY(-2px);}

/* category hero */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:52px 0 62px;
  background:
    radial-gradient(circle at 88% -18%,rgba(214,178,94,.30),transparent 58%),
    radial-gradient(circle at 2% 112%,rgba(70,116,168,.30),transparent 60%),
    linear-gradient(160deg,#0b1624 0%,#102034 60%,#0c1a2b 100%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:100% 52px;opacity:.45;
}
.cat-hero .site-container{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:#8fa0b6;}
.crumbs a{color:#cfd9e6;transition:color .2s ease;}
.crumbs a:hover{color:var(--gold-2);}
.crumbs span.sep{color:#5a6a7e;}
.cat-tag{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  padding:6px 16px;border-radius:999px;font-size:13px;letter-spacing:.6px;
  color:#e8cf9a;background:rgba(201,162,77,.14);border:1px solid rgba(201,162,77,.4);
}
.cat-title{
  margin-top:16px;max-width:900px;color:#fff;
  font-size:clamp(25px,3.2vw,38px);line-height:1.34;
}
.cat-lead{margin-top:18px;max-width:840px;color:#b8c6d8;font-size:16px;line-height:1.94;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;
  font-size:14px;color:#dbe4ef;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.chip:hover{background:rgba(224,192,122,.18);border-color:rgba(224,192,122,.62);color:#fff;transform:translateY(-2px);}
.chip.is-key{color:#1a1206;background:linear-gradient(135deg,#e6c983,#c19a44);border-color:transparent;font-weight:600;}
.chip.is-key:hover{color:#1a1206;background:linear-gradient(135deg,#f0d795,#cfaa55);}

/* sections */
.section{padding:68px 0;}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-ink{background:var(--ink);color:#dbe4ef;border:none;}
.section-ink .sec-title{color:#fff;}
.section-ink .sec-sub{color:#a9b8ca;}
.section-ink .sec-label{color:var(--gold-2);}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-label{
  font-size:13px;letter-spacing:2px;color:#a8842f;font-weight:700;margin-bottom:10px;
}
.sec-title{font-size:clamp(21px,2.4vw,29px);line-height:1.42;}
.sec-sub{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9;}

/* dimension cards */
.cat-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.cat-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.cat-grid-3>*,.cat-grid-2>*{min-width:0;}
.dim-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px 24px;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.dim-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(201,162,77,.55);}
.dim-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;font-size:14px;font-weight:800;
  color:#1a1206;background:linear-gradient(140deg,#e6c983,#c19a44);margin-bottom:14px;
}
.dim-card h3{font-size:17.5px;line-height:1.5;margin-bottom:10px;}
.dim-card p{color:var(--muted);font-size:14.8px;line-height:1.88;}
.dim-note{
  display:block;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13.4px;color:#8a6a1f;line-height:1.8;
}

/* compare table */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);}
table.cmp-table{width:100%;min-width:640px;border-collapse:collapse;font-size:14.8px;}
table.cmp-table thead th{
  text-align:left;padding:16px 20px;background:#f2eee3;color:var(--ink);
  font-size:14px;letter-spacing:.5px;font-weight:700;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.cmp-table tbody td{padding:16px 20px;border-bottom:1px solid var(--line);color:var(--text);vertical-align:top;line-height:1.8;}
table.cmp-table tbody tr:last-child td{border-bottom:none;}
table.cmp-table tbody tr:hover td{background:#fbf9f4;}
table.cmp-table td.key{font-weight:700;color:var(--ink);white-space:nowrap;}
table.cmp-table td.warn{color:#8a6a1f;}

/* steps */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .24s ease,box-shadow .24s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.step-idx{display:block;font-size:13px;letter-spacing:2px;color:#a8842f;font-weight:700;margin-bottom:10px;}
.step-item h3{font-size:16.5px;margin-bottom:8px;}
.step-item p{font-size:14.5px;color:var(--muted);line-height:1.86;}

/* scenes */
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);min-width:0;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(201,162,77,.5);}
.scene-card h3{font-size:17px;line-height:1.5;}
.scene-card p{font-size:14.6px;color:var(--muted);line-height:1.9;}
.scene-list li{position:relative;padding-left:16px;font-size:14.2px;color:#3c4858;line-height:1.85;margin-top:6px;}
.scene-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--gold);}

/* myths (dark) */
.myth-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.myth-item{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:24px 24px;min-width:0;
  transition:background .24s ease,border-color .24s ease;
}
.myth-item:hover{background:rgba(255,255,255,.09);border-color:rgba(224,192,122,.45);}
.myth-item h3{color:#fff;font-size:16.5px;line-height:1.55;margin-bottom:10px;}
.myth-item p{color:#a9b8ca;font-size:14.6px;line-height:1.88;}
.myth-item .myth-fix{display:block;margin-top:12px;color:var(--gold-2);font-size:14px;line-height:1.8;}

/* faq */
.faq-list{max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 22px;margin-bottom:12px;box-shadow:var(--shadow-sm);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(201,162,77,.55);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 0;display:flex;justify-content:space-between;
  align-items:center;gap:14px;font-weight:700;font-size:16px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold);font-size:20px;font-weight:600;flex:0 0 auto;}
.faq-item[open] summary::after{content:"–";}
.faq-body{padding:0 0 18px;color:var(--muted);font-size:15px;line-height:1.92;}

/* news */
.news-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(201,162,77,.55);}
.news-meta{display:block;font-size:12.5px;color:#8a6a1f;letter-spacing:.6px;margin-bottom:10px;}
.news-title{font-size:16.5px;line-height:1.6;margin-bottom:10px;}
.news-desc{font-size:14.4px;color:var(--muted);line-height:1.88;}
.news-empty{
  padding:26px;border:1px dashed var(--line);border-radius:var(--radius);
  color:var(--muted);font-size:15px;background:#fff;
}

/* download */
.dl-band{
  background:linear-gradient(150deg,#0b1624,#132842 62%,#0d1c2e);
  border-radius:22px;padding:38px 36px;color:#fff;
  box-shadow:0 24px 56px rgba(11,22,36,.28);
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:32px;align-items:center;
}
.dl-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);line-height:1.45;}
.dl-band p{margin-top:12px;color:#a9b8ca;font-size:14.8px;line-height:1.9;}
.dl-actions{display:grid;grid-template-columns:1fr;gap:12px;}
.dl-btn{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 20px;border-radius:12px;font-size:15px;font-weight:600;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.2);color:#eef3f9;
  transition:background .22s ease,transform .22s ease,border-color .22s ease,color .22s ease;
}
.dl-btn span.dl-os{color:#8fa0b6;font-size:13px;font-weight:400;}
.dl-btn:hover{background:rgba(224,192,122,.18);border-color:rgba(224,192,122,.62);color:#fff;transform:translateX(3px);}
.dl-btn.is-primary{background:linear-gradient(135deg,#e6c983,#c19a44);color:#1a1206;border-color:transparent;}
.dl-btn.is-primary span.dl-os{color:#4a3810;}
.dl-btn.is-primary:hover{background:linear-gradient(135deg,#f0d795,#cfaa55);color:#1a1206;}

/* cta */
.cta-band{
  background:linear-gradient(135deg,#f2ead8,#fbf8f1);
  border:1px solid var(--line);border-radius:22px;
  padding:40px 36px;display:flex;flex-wrap:wrap;gap:24px;
  align-items:center;justify-content:space-between;
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);line-height:1.45;}
.cta-band p{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.9;max-width:660px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* footer */
.site-footer{background:#0b1624;color:#a9b8ca;padding:56px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16px;line-height:1.5;}
.footer-desc{font-size:14px;line-height:1.9;color:#93a3b8;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul li a{color:#a9b8ca;font-size:14px;transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--gold-2);}
.footer-risk{
  margin-top:36px;padding:16px 18px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  font-size:13.2px;line-height:1.85;color:#93a3b8;
}
.footer-bottom{
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7d8ea3;
}

/* responsive */
@media (max-width:1024px){
  .cat-grid-3,.news-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dl-band{grid-template-columns:1fr;gap:26px;padding:32px 28px;}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .footer-grid>div:first-child{grid-column:1 / -1;}
}
@media (max-width:860px){
  .nav-links{
    position:absolute;top:70px;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:10px 16px 16px;background:rgba(11,22,36,.98);
    border-bottom:1px solid rgba(201,162,77,.22);
    box-shadow:0 18px 34px rgba(4,10,20,.4);
  }
  .nav-links.is-open{display:flex;}
  .nav-link{width:100%;border-radius:10px;padding:12px 14px;font-size:15px;}
  .nav-dl{display:none;}
  .nav-toggle{display:block;}
  .cat-hero{padding:40px 0 48px;}
  .section{padding:52px 0;}
}
@media (max-width:768px){
  .cat-grid-3,.cat-grid-2,.news-list,.myth-grid,.step-list{grid-template-columns:1fr;}
  .cta-band{padding:30px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .sec-head{margin-bottom:26px;}
  .cat-lead{font-size:15.4px;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .nav-inner{padding:0 16px;gap:10px;}
  .brand-name{font-size:15.5px;}
  .brand-sub{font-size:11px;letter-spacing:1px;}
  .cat-title{font-size:22px;}
  .hero-chips{gap:8px;}
  .chip{font-size:13px;padding:7px 13px;}
  .dl-band{padding:26px 20px;border-radius:18px;}
  .cta-band{padding:26px 20px;border-radius:18px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
}