/* roulang page: index */
:root{
  --navy:#0d1f33;
  --navy-2:#14304d;
  --navy-3:#1c4269;
  --gold:#c99a3f;
  --gold-2:#e2bb6d;
  --red:#c34a3f;
  --ink:#15202e;
  --ink-2:#3f5369;
  --muted:#6c7d92;
  --line:#e3e9f1;
  --bg:#f4f7fb;
  --surface:#ffffff;
  --radius-l:18px;
  --radius-m:12px;
  --radius-s:8px;
  --shadow-s:0 2px 8px rgba(15,35,58,.06);
  --shadow-m:0 12px 30px rgba(15,35,58,.10);
  --shadow-l:0 26px 60px rgba(11,29,48,.18);
  --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","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(201,154,63,.55);outline-offset:2px;}
h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.42;margin:0;}
p{margin:0;}
.plain{list-style:none;margin:0;padding:0;}
.site-wrap{max-width:var(--max);margin:0 auto;padding:0 22px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;text-align:center;min-height:46px;
}
.btn-primary{background:linear-gradient(180deg,#1b3e61,#122c47);color:#fff;box-shadow:0 8px 20px rgba(18,44,71,.24);}
.btn-primary:hover{background:linear-gradient(180deg,#23507c,#16385a);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-gold{background:linear-gradient(180deg,#e0b76b,#c1922f);color:#1d1403;box-shadow:0 10px 24px rgba(193,146,47,.30);}
.btn-gold:hover{background:linear-gradient(180deg,#eec681,#cb9c37);transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:#cfdae6;color:var(--navy-2);}
.btn-ghost:hover{border-color:var(--navy-2);background:#f4f8fc;}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.38);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.62);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;position:relative;gap:16px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(150deg,#1b3e61,#0d1f33);
  color:var(--gold-2);font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 1px rgba(226,187,109,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-text strong{font-size:18px;color:var(--navy);letter-spacing:.02em;font-weight:800;}
.brand-text small{font-size:11.5px;color:var(--muted);margin-top:3px;letter-spacing:.02em;}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{padding:9px 14px;border-radius:9px;font-size:15px;color:var(--ink-2);font-weight:500;}
.nav-link:hover{color:var(--navy);background:#eef3f9;}
.nav-link.is-active{color:var(--navy);font-weight:700;background:#edf3fa;}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:16px;flex-shrink:0;}
.nav-actions .btn{padding:10px 18px;font-size:14.5px;min-height:42px;}
.nav-toggle{
  display:none;align-items:center;gap:6px;
  border:1px solid #cfdae6;background:#fff;color:var(--navy-2);
  border-radius:9px;padding:8px 14px;font-size:14px;font-weight:700;cursor:pointer;margin-left:auto;
}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 420px at 82% 8%,rgba(201,154,63,.20),transparent 62%),
    radial-gradient(700px 380px at 8% 92%,rgba(56,120,180,.28),transparent 65%),
    linear-gradient(158deg,#0a1a2c 0%,#12304d 56%,#1a3d5f 100%);
  padding:70px 0 78px;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(226,187,109,.5),transparent);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:52px;align-items:start;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;
  border:1px solid rgba(226,187,109,.45);
  background:rgba(226,187,109,.10);
  color:var(--gold-2);font-size:13px;font-weight:700;letter-spacing:.06em;
}
.hero h1{
  margin-top:20px;color:#fff;
  font-size:clamp(27px,3.1vw,43px);line-height:1.36;letter-spacing:.01em;
}
.hero-lead{margin-top:20px;font-size:15.8px;line-height:1.95;color:rgba(255,255,255,.82);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:28px;font-size:13.5px;color:rgba(255,255,255,.66);}
.hero-trust span{display:inline-flex;align-items:center;gap:7px;}
.hero-trust i{width:6px;height:6px;border-radius:50%;background:var(--gold-2);display:inline-block;flex-shrink:0;}
.hero-panel{
  background:rgba(255,255,255,.065);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-l);
  padding:26px 26px 22px;
  box-shadow:var(--shadow-l);
  backdrop-filter:blur(6px);
  min-width:0;
}
.panel-head{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.panel-head b{color:#fff;font-size:16.5px;font-weight:800;}
.panel-sub{color:rgba(255,255,255,.58);font-size:13px;line-height:1.8;margin-bottom:18px;}
.panel-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-top:1px solid rgba(255,255,255,.10);
}
.panel-list li:first-child{border-top:none;padding-top:0;}
.panel-num{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:rgba(226,187,109,.16);color:var(--gold-2);
  font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.panel-list h3{color:#fff;font-size:14.6px;font-weight:700;line-height:1.5;}
.panel-list p{color:rgba(255,255,255,.62);font-size:13px;line-height:1.72;margin-top:3px;}
.panel-foot{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.10);font-size:12.5px;color:rgba(255,255,255,.5);}

/* ---------- trust bar ---------- */
.trust-bar{background:#fff;border-bottom:1px solid var(--line);padding:26px 0;}
.trust-cell{padding-bottom:10px;}
.trust-item{display:flex;align-items:flex-start;gap:12px;min-width:0;}
.trust-ico{
  flex:0 0 40px;width:40px;height:40px;border-radius:11px;
  background:#eef3f9;color:var(--navy-2);display:flex;align-items:center;justify-content:center;
}
.trust-ico svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.trust-item b{display:block;font-size:14.6px;color:var(--navy);font-weight:700;}
.trust-item span{display:block;font-size:12.8px;color:var(--muted);line-height:1.7;margin-top:2px;}

/* ---------- download ---------- */
.dl-band{
  position:relative;color:#fff;padding:58px 0;
  background:
    radial-gradient(700px 320px at 88% 12%,rgba(201,154,63,.22),transparent 60%),
    linear-gradient(120deg,#0b1c2e,#173a5b 68%,#1d466c);
}
.dl-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:44px;align-items:center;}
.dl-copy h2{color:#fff;font-size:clamp(21px,2.3vw,30px);line-height:1.4;}
.dl-copy p{margin-top:16px;font-size:14.8px;line-height:1.92;color:rgba(255,255,255,.76);}
.dl-note{margin-top:16px;font-size:12.6px;color:rgba(255,255,255,.5);line-height:1.8;}
.dl-list{display:grid;gap:12px;min-width:0;}
.dl-tile{
  display:flex;align-items:center;gap:14px;
  padding:15px 18px;border-radius:14px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  transition:background-color .22s ease,transform .22s ease,border-color .22s ease;
  min-width:0;
}
.dl-tile:hover{background:rgba(255,255,255,.14);border-color:rgba(226,187,109,.6);transform:translateX(4px);}
.dl-tile:active{transform:translateX(2px);}
.dl-ico{
  flex:0 0 40px;width:40px;height:40px;border-radius:11px;
  background:rgba(226,187,109,.16);color:var(--gold-2);
  display:flex;align-items:center;justify-content:center;
}
.dl-ico svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.dl-tile-txt{min-width:0;flex:1 1 auto;}
.dl-tile-txt b{display:block;font-size:15.2px;color:#fff;font-weight:700;}
.dl-tile-txt span{display:block;font-size:12.6px;color:rgba(255,255,255,.58);margin-top:2px;}
.dl-arrow{color:rgba(255,255,255,.45);font-size:18px;flex-shrink:0;}

/* ---------- generic section ---------- */
.section{padding:76px 0;}
.section--alt{background:var(--bg);}
.section--tight{padding:56px 0;}
.sec-head{max-width:740px;margin-bottom:42px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.6px;font-weight:800;letter-spacing:.14em;color:var(--gold);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);display:inline-block;}
.sec-head h2{margin-top:14px;font-size:clamp(21px,2.4vw,31px);}
.sec-desc{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.92;}

/* ---------- value ---------- */
.value-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:start;}
.value-copy p{color:var(--ink-2);font-size:15.3px;line-height:2;margin-top:16px;}
.value-list{display:grid;gap:16px;min-width:0;}
.value-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:18px 20px;box-shadow:var(--shadow-s);min-width:0;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.value-item:hover{box-shadow:var(--shadow-m);transform:translateY(-2px);border-color:#cfdceb;}
.value-item .num{
  flex:0 0 auto;font-size:15px;font-weight:800;color:var(--gold);
  letter-spacing:.04em;padding-top:2px;
}
.value-item b{display:block;font-size:15.4px;color:var(--navy);}
.value-item p{font-size:13.6px;color:var(--muted);line-height:1.8;margin-top:5px;}

/* ---------- features ---------- */
.feature-cell{padding-bottom:22px;}
.feature-card{
  height:100%;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px 22px;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.feature-card:hover{box-shadow:var(--shadow-m);transform:translateY(-4px);border-color:#cfdceb;}
.feature-ico{
  width:44px;height:44px;border-radius:12px;background:#eef3f9;color:var(--navy-2);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.feature-ico svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.feature-card h3{font-size:16.2px;color:var(--navy);}
.feature-card p{margin-top:9px;font-size:13.8px;color:var(--muted);line-height:1.82;}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.step-card{
  position:relative;min-width:0;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px 24px 24px;
  transition:box-shadow .22s ease,transform .22s ease;
}
.step-card:hover{box-shadow:var(--shadow-m);transform:translateY(-3px);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(150deg,#1b3e61,#0d1f33);color:var(--gold-2);
  font-weight:800;font-size:15px;margin-bottom:14px;
}
.step-card h3{font-size:16.2px;color:var(--navy);}
.step-card p{margin-top:9px;font-size:13.8px;color:var(--muted);line-height:1.82;}

/* ---------- risk ---------- */
.risk-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:52px;align-items:start;}
.risk-item{padding:0 0 22px 16px;border-left:3px solid var(--gold);margin-bottom:22px;}
.risk-item:last-child{margin-bottom:0;padding-bottom:0;}
.risk-item h3{font-size:15.8px;color:var(--navy);}
.risk-item p{margin-top:8px;font-size:13.9px;color:var(--muted);line-height:1.86;}
.check-card{
  background:linear-gradient(158deg,#0c1e32,#173a5b);
  border-radius:var(--radius-l);padding:30px 28px;color:#fff;
  box-shadow:var(--shadow-l);min-width:0;
}
.check-card h3{color:#fff;font-size:17px;}
.check-card .check-sub{color:rgba(255,255,255,.6);font-size:13px;margin-top:8px;line-height:1.8;}
.check-list{margin-top:20px;}
.check-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:12px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:14px;color:rgba(255,255,255,.86);line-height:1.7;
}
.check-list li:first-child{border-top:none;padding-top:0;}
.check-dot{
  flex:0 0 20px;width:20px;height:20px;border-radius:6px;margin-top:2px;
  background:rgba(226,187,109,.18);color:var(--gold-2);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.scene-card{
  min-width:0;background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy-3);
  border-radius:var(--radius-m);padding:22px 20px;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.scene-card:hover{box-shadow:var(--shadow-m);transform:translateY(-3px);border-top-color:var(--gold);}
.scene-card h3{font-size:15.8px;color:var(--navy);}
.scene-card p{margin-top:9px;font-size:13.6px;color:var(--muted);line-height:1.8;}

/* ---------- terminals ---------- */
.term-cell{padding-bottom:22px;}
.term-card{
  height:100%;min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-m);padding:24px 22px;
  transition:box-shadow .22s ease,transform .22s ease;
}
.term-card:hover{box-shadow:var(--shadow-m);transform:translateY(-3px);}
.term-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.term-badge{
  width:38px;height:38px;border-radius:11px;background:#eef3f9;color:var(--navy-2);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.term-badge svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.term-card h3{font-size:16px;color:var(--navy);}
.term-card p{font-size:13.7px;color:var(--muted);line-height:1.82;margin-top:6px;}
.term-link{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--navy-3);border-bottom:1px solid rgba(28,66,105,.3);}
.term-link:hover{color:var(--gold);border-bottom-color:var(--gold);}
.spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:34px;}
.spec-item{
  min-width:0;background:#f7f9fc;border-left:3px solid var(--navy-3);
  border-radius:10px;padding:16px 18px;
}
.spec-item b{display:block;font-size:14.4px;color:var(--navy);}
.spec-item p{font-size:13.3px;color:var(--muted);line-height:1.78;margin-top:5px;}

/* ---------- compare ---------- */
.compare-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:14px;border:1px solid var(--line);background:#fff;}
.compare-table{min-width:660px;}
.compare-head{
  display:grid;grid-template-columns:1.05fr 1fr 1fr;
  background:linear-gradient(120deg,#0e2137,#1b3f61);color:#fff;
  padding:16px 22px;font-size:14.6px;font-weight:700;
}
.compare-row{
  display:grid;grid-template-columns:1.05fr 1fr 1fr;
  padding:14px 22px;border-top:1px solid var(--line);
  font-size:13.9px;color:var(--ink-2);align-items:center;
}
.compare-row:nth-child(odd){background:#fafcfe;}
.compare-row b{color:var(--navy);font-weight:700;}
.compare-foot{margin-top:14px;font-size:12.8px;color:var(--muted);}

/* ---------- topic band ---------- */
.topic-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  background:radial-gradient(600px 260px at 92% 10%,rgba(201,154,63,.22),transparent 62%),linear-gradient(120deg,#102a44,#1d4a72);
  border-radius:var(--radius-l);padding:38px 36px;color:#fff;box-shadow:var(--shadow-m);
}
.topic-band h2{color:#fff;font-size:clamp(19px,2.1vw,25px);max-width:640px;}
.topic-band p{margin-top:12px;font-size:14.4px;line-height:1.9;color:rgba(255,255,255,.76);max-width:680px;}
.topic-band .btn{flex-shrink:0;}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);gap:44px;align-items:start;}
.news-item{padding:20px 0;border-bottom:1px solid var(--line);min-width:0;}
.news-item:first-child{padding-top:0;}
.news-item__title{font-size:16.6px;line-height:1.6;}
.news-item__title a{color:var(--navy);}
.news-item__title a:hover{color:var(--gold);}
.news-item__sum{margin-top:8px;font-size:13.8px;color:var(--muted);line-height:1.82;}
.news-item__meta{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:11px;font-size:12.6px;color:#93a3b6;}
.news-item__meta span{display:inline-flex;align-items:center;gap:6px;}
.news-item__meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:#c9d3de;}
.news-empty{padding:26px 0;color:var(--muted);font-size:14.4px;}
.news-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px 22px;box-shadow:var(--shadow-s);min-width:0;
}
.news-side h3{font-size:15.6px;color:var(--navy);}
.side-list{margin-top:14px;}
.side-list li{border-bottom:1px dashed #e6edf5;padding:11px 0;min-width:0;}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-list a{display:block;font-size:13.8px;color:var(--ink-2);line-height:1.72;}
.side-list a:hover{color:var(--gold);}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item[open]{box-shadow:var(--shadow-m);border-color:#cfdceb;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:15.4px;font-weight:700;color:var(--navy);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;color:var(--gold);font-weight:700;line-height:1;flex-shrink:0;}
.faq-item[open] summary::after{content:"−";}
.faq-answer{padding:0 22px 18px;font-size:14px;color:var(--muted);line-height:1.9;}

/* ---------- closing ---------- */
.closing{
  color:#fff;padding:56px 0;
  background:radial-gradient(680px 300px at 12% 6%,rgba(201,154,63,.20),transparent 62%),linear-gradient(140deg,#0a1929,#16395b);
}
.closing-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.closing h2{color:#fff;font-size:clamp(20px,2.3vw,28px);max-width:660px;}
.closing p{margin-top:13px;font-size:14.2px;line-height:1.9;color:rgba(255,255,255,.72);max-width:700px;}
.closing .btn{flex-shrink:0;}

/* ---------- footer ---------- */
.site-footer{background:#0a1728;color:#a9b8c9;padding:56px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.foot-brand .brand-mark{width:38px;height:38px;font-size:17px;border-radius:10px;}
.foot-brand b{color:#fff;font-size:16.4px;font-weight:800;}
.foot-about p{font-size:13.4px;line-height:1.86;color:#8fa2b7;}
.foot-title{color:#fff;font-size:14.6px;font-weight:800;margin-bottom:14px;}
.foot-links a{display:block;font-size:13.6px;color:#a9b8c9;padding:5px 0;}
.foot-links a:hover{color:var(--gold-2);}
.foot-risk p{font-size:13.2px;line-height:1.86;color:#8fa2b7;}
.friend-links{margin-top:38px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);}
.friend-links__label{
  display:block;color:#fff;font-size:14px;font-weight:800;margin-bottom:12px;
}
.friend-links__list{display:flex;flex-wrap:wrap;gap:8px 20px;}
.friend-links__list a{font-size:13.4px;color:#93a7bd;line-height:1.8;}
.friend-links__list a:hover{color:var(--gold-2);}
.foot-bottom{
  margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.8px;color:#7d90a6;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid,.value-grid,.risk-grid,.dl-grid,.news-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .hero{padding:56px 0 62px;}
  .section{padding:62px 0;}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .site-nav{
    display:none;position:absolute;top:100%;left:-22px;right:-22px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 22px 20px;flex-direction:column;align-items:stretch;gap:4px;
    box-shadow:0 18px 34px rgba(15,35,58,.14);
  }
  .site-nav.is-open{display:flex;}
  .nav-link{padding:11px 12px;font-size:15px;}
  .nav-actions{flex-direction:column;align-items:stretch;margin-left:0;margin-top:10px;gap:10px;}
  .nav-actions .btn{width:100%;}
}
@media (max-width:768px){
  .step-grid{grid-template-columns:minmax(0,1fr);}
  .spec-grid{grid-template-columns:minmax(0,1fr);}
  .topic-band{padding:28px 24px;}
  .topic-band .btn{width:100%;}
  .closing-inner{flex-direction:column;align-items:flex-start;}
  .closing .btn{width:100%;}
  .trust-bar{padding:22px 0;}
}
@media (max-width:520px){
  .site-wrap{padding:0 16px;}
  .brand-text strong{font-size:16px;}
  .brand-text small{font-size:10.8px;}
  .scene-grid{grid-template-columns:minmax(0,1fr);}
  .foot-grid{grid-template-columns:minmax(0,1fr);}
  .hero-actions .btn,.dl-tile{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .sec-head{margin-bottom:32px;}
  .hero h1{font-size:26px;}
  .hero-panel{padding:20px 18px;}
  .section{padding:52px 0;}
  .compare-head,.compare-row{padding-left:16px;padding-right:16px;}
}

/* roulang page: category1 */
:root{
  --navy:#0d1f33;
  --navy-2:#14304d;
  --navy-3:#1c4269;
  --gold:#c99a3f;
  --gold-2:#e2bb6d;
  --red:#c34a3f;
  --ink:#15202e;
  --ink-2:#3f5369;
  --muted:#6c7d92;
  --line:#e3e9f1;
  --bg:#f4f7fb;
  --surface:#ffffff;
  --radius-l:18px;
  --radius-m:12px;
  --radius-s:8px;
  --shadow-s:0 2px 8px rgba(15,35,58,.06);
  --shadow-m:0 12px 30px rgba(15,35,58,.10);
  --shadow-l:0 26px 60px rgba(11,29,48,.18);
  --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","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(201,154,63,.55);outline-offset:2px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.site-wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;text-align:center;min-height:46px;
}
.btn-primary{background:linear-gradient(180deg,#1b3e61,#122c47);color:#fff;box-shadow:0 8px 20px rgba(18,44,71,.24);}
.btn-primary:hover{background:linear-gradient(180deg,#23507c,#16385a);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-gold{background:linear-gradient(180deg,#e0b76b,#c1922f);color:#1d1403;box-shadow:0 10px 24px rgba(193,146,47,.30);}
.btn-gold:hover{background:linear-gradient(180deg,#eec681,#cb9c37);transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:#cfdae6;color:var(--navy-2);}
.btn-ghost:hover{border-color:var(--navy-2);background:#f4f8fc;}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.38);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.62);}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;position:relative;gap:16px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(150deg,#1b3e61,#0d1f33);
  color:var(--gold-2);font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 1px rgba(226,187,109,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-text strong{font-size:18px;color:var(--navy);letter-spacing:.02em;font-weight:800;}
.brand-text small{font-size:11.5px;color:var(--muted);margin-top:3px;letter-spacing:.02em;}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{padding:9px 14px;border-radius:9px;font-size:15px;color:var(--ink-2);font-weight:500;}
.nav-link:hover{color:var(--navy);background:#eef3f9;}
.nav-link.is-active{color:var(--navy);font-weight:700;background:#edf3fa;}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:16px;flex-shrink:0;}
.nav-actions .btn{padding:10px 18px;font-size:14.5px;min-height:42px;}
.nav-toggle{
  display:none;align-items:center;gap:6px;
  border:1px solid #cfdae6;background:#fff;color:var(--navy-2);
  border-radius:9px;padding:8px 14px;font-size:14px;font-weight:700;cursor:pointer;margin-left:auto;
}
/* category hero */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(860px 400px at 84% 6%,rgba(201,154,63,.22),transparent 62%),
    radial-gradient(680px 360px at 6% 96%,rgba(56,120,180,.26),transparent 66%),
    linear-gradient(158deg,#0a1a2c 0%,#12304d 58%,#1a3d5f 100%);
  padding:62px 0 68px;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(226,187,109,.5),transparent);
}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:48px;align-items:start;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);}
.crumb a{color:rgba(255,255,255,.75);}
.crumb a:hover{color:var(--gold-2);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  padding:6px 15px;border-radius:999px;
  border:1px solid rgba(226,187,109,.45);
  background:rgba(226,187,109,.10);
  color:var(--gold-2);font-size:13px;font-weight:700;letter-spacing:.06em;
}
.cat-hero h1{
  margin-top:18px;color:#fff;
  font-size:clamp(26px,3vw,40px);line-height:1.38;letter-spacing:.01em;
}
.cat-hero .hero-lead{margin-top:18px;font-size:15.6px;line-height:1.95;color:rgba(255,255,255,.82);max-width:660px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.66);}
.hero-trust span{display:inline-flex;align-items:center;gap:7px;}
.hero-trust i{width:6px;height:6px;border-radius:50%;background:var(--gold-2);display:inline-block;flex-shrink:0;}
.hero-panel{
  background:rgba(255,255,255,.065);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-l);
  padding:24px 24px 20px;
  box-shadow:var(--shadow-l);
  backdrop-filter:blur(6px);
  min-width:0;
}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.12);}
.hero-panel-head b{font-size:15px;color:#fff;font-weight:700;}
.hero-panel-head span{font-size:11.5px;letter-spacing:.14em;color:var(--gold-2);font-weight:800;}
.panel-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-top:1px solid rgba(255,255,255,.10);
}
.panel-list li:first-child{border-top:none;padding-top:14px;}
.panel-list .idx{
  flex-shrink:0;width:24px;height:24px;border-radius:7px;margin-top:2px;
  background:rgba(226,187,109,.16);color:var(--gold-2);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.panel-list h3{color:#fff;font-size:14.4px;font-weight:700;line-height:1.5;}
.panel-list p{color:rgba(255,255,255,.62);font-size:12.8px;line-height:1.72;margin-top:3px;}
/* section basics */
.section{padding:74px 0;}
.section--alt{background:var(--bg);}
.section--tight{padding:54px 0;}
.sec-head{max-width:780px;margin-bottom:38px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.4px;font-weight:800;letter-spacing:.14em;color:var(--gold);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);display:inline-block;}
.sec-head h2{margin-top:14px;font-size:clamp(22px,2.4vw,31px);line-height:1.42;color:var(--navy);letter-spacing:.01em;}
.sec-head p{margin-top:14px;font-size:15.2px;line-height:1.9;color:var(--ink-2);}
/* figure */
.cat-figure{
  border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-m);background:var(--surface);
}
.cat-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cat-figure figcaption{padding:14px 18px;font-size:13px;color:var(--muted);line-height:1.7;border-top:1px solid var(--line);}
/* value grid */
.value-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.value-card{
  min-width:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:26px 24px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.value-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cfdcea;}
.value-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#1b3e61,#0d1f33);color:var(--gold-2);font-size:17px;margin-bottom:16px;
}
.value-card h3{font-size:17px;color:var(--navy);line-height:1.5;font-weight:800;}
.value-card p{margin-top:10px;font-size:14.4px;line-height:1.85;color:var(--ink-2);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--navy-3);background:#eef4fa;border:1px solid #dbe6f1;
}
/* scenario split */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center;}
.split-body p{font-size:15px;line-height:1.92;color:var(--ink-2);margin-top:14px;}
.check-list{margin-top:22px;display:grid;gap:13px;}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.6px;line-height:1.8;color:var(--ink-2);min-width:0;}
.check-list i{color:var(--gold);font-size:14px;margin-top:5px;flex-shrink:0;}
.mini-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:24px;box-shadow:var(--shadow-m);
}
.mini-panel h3{font-size:16px;color:var(--navy);font-weight:800;margin-bottom:6px;}
.mini-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.mini-row:last-child{border-bottom:none;}
.mini-row span{color:var(--muted);flex-shrink:0;}
.mini-row b{color:var(--navy-2);text-align:right;min-width:0;}
/* steps */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step-card{
  min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px 20px;position:relative;box-shadow:var(--shadow-s);
}
.step-no{
  font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--gold);
}
.step-card h3{margin-top:10px;font-size:16px;color:var(--navy);line-height:1.5;font-weight:800;}
.step-card p{margin-top:9px;font-size:14px;line-height:1.82;color:var(--ink-2);}
/* compare table */
.compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-m);background:var(--surface);box-shadow:var(--shadow-s);}
table.compare{width:100%;border-collapse:collapse;min-width:640px;}
table.compare th,table.compare td{padding:15px 18px;text-align:left;font-size:14.2px;line-height:1.75;border-bottom:1px solid var(--line);vertical-align:top;}
table.compare thead th{background:#eef4fa;color:var(--navy);font-weight:800;font-size:14px;white-space:nowrap;}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare td:first-child{color:var(--navy-2);font-weight:700;width:150px;}
/* risk bar */
.risk-band{
  background:linear-gradient(158deg,#0d1f33,#173a5a);color:#fff;border-radius:var(--radius-l);
  padding:32px 34px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);
  gap:30px;align-items:center;box-shadow:var(--shadow-l);
}
.risk-band h2{font-size:clamp(20px,2.1vw,26px);color:#fff;line-height:1.45;}
.risk-band p{margin-top:12px;font-size:14.6px;line-height:1.88;color:rgba(255,255,255,.74);}
.risk-band .btn{width:100%;}
/* faq */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-m);background:var(--surface);box-shadow:var(--shadow-s);overflow:hidden;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;font-size:15.4px;font-weight:700;color:var(--navy);
  display:flex;align-items:center;justify-content:space-between;gap:14px;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"＋";color:var(--gold);font-size:16px;font-weight:800;flex-shrink:0;}
.faq-item[open] summary::after{content:"－";}
.faq-item summary:hover{background:#f7fafd;}
.faq-body{padding:0 20px 18px;font-size:14.4px;line-height:1.9;color:var(--ink-2);}
/* cms list */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
  min-width:0;display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-m);padding:22px;
  box-shadow:var(--shadow-s);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cfdcea;}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:12.4px;color:var(--muted);}
.post-meta em{font-style:normal;color:var(--gold);font-weight:700;}
.post-card h3{margin-top:10px;font-size:16.4px;line-height:1.58;color:var(--navy);font-weight:800;}
.post-card h3 a:hover{color:var(--navy-3);}
.post-card p{margin-top:10px;font-size:14px;line-height:1.82;color:var(--ink-2);flex:1;}
.post-more{margin-top:16px;font-size:13.6px;font-weight:700;color:var(--navy-3);display:inline-flex;align-items:center;gap:6px;}
.post-more:hover{color:var(--gold);}
.post-empty{grid-column:1 / -1;padding:34px 24px;text-align:center;color:var(--muted);font-size:14.4px;border:1px dashed var(--line);border-radius:var(--radius-m);background:var(--surface);}
.list-foot{margin-top:30px;text-align:center;}
/* download */
.dl-section{
  background:
    radial-gradient(720px 360px at 88% 10%,rgba(201,154,63,.18),transparent 62%),
    linear-gradient(158deg,#0b1c2f,#14304d 60%,#1a3d5f);
  color:#fff;padding:66px 0;
}
.dl-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:44px;align-items:center;}
.dl-grid h2{font-size:clamp(21px,2.3vw,29px);color:#fff;line-height:1.45;}
.dl-grid p{margin-top:14px;font-size:14.8px;line-height:1.9;color:rgba(255,255,255,.76);}
.dl-list{display:grid;gap:12px;min-width:0;}
.dl-item{
  display:flex;align-items:center;gap:15px;padding:15px 18px;
  border-radius:var(--radius-m);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.07);transition:background-color .22s ease,transform .22s ease,border-color .22s ease;
  min-width:0;
}
.dl-item:hover{background:rgba(226,187,109,.14);border-color:rgba(226,187,109,.5);transform:translateY(-2px);}
.dl-ico{
  width:40px;height:40px;border-radius:10px;flex-shrink:0;
  background:rgba(226,187,109,.16);color:var(--gold-2);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.dl-item b{display:block;font-size:15px;color:#fff;font-weight:700;line-height:1.4;}
.dl-item small{display:block;font-size:12.4px;color:rgba(255,255,255,.58);margin-top:2px;line-height:1.6;}
.dl-arrow{color:rgba(255,255,255,.45);font-size:17px;flex-shrink:0;margin-left:auto;}
/* footer */
.site-footer{background:#0a1725;color:rgba(255,255,255,.66);padding:58px 0 26px;}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.35fr);gap:34px;}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.foot-brand b{color:#fff;font-size:16.5px;letter-spacing:.02em;}
.foot-about p{font-size:13.4px;line-height:1.9;color:rgba(255,255,255,.55);}
.foot-title{font-size:13.6px;font-weight:800;color:#fff;letter-spacing:.06em;margin-bottom:14px;}
.foot-links{display:grid;gap:9px;}
.foot-links a{font-size:13.4px;color:rgba(255,255,255,.62);}
.foot-links a:hover{color:var(--gold-2);}
.foot-risk p{font-size:13.2px;line-height:1.88;color:rgba(255,255,255,.52);}
.friend-links{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;align-items:flex-start;gap:10px 16px;
}
.friend-links__label{font-size:13px;font-weight:800;color:#fff;flex-shrink:0;letter-spacing:.06em;}
.friend-links__list{display:flex;flex-wrap:wrap;gap:8px 18px;min-width:0;}
.friend-links__list a{font-size:13px;color:rgba(255,255,255,.56);}
.friend-links__list a:hover{color:var(--gold-2);}
.foot-bottom{
  margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.6px;color:rgba(255,255,255,.45);
}
/* responsive */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .value-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:minmax(0,1fr);gap:30px;}
  .dl-grid{grid-template-columns:minmax(0,1fr);gap:30px;}
  .risk-band{grid-template-columns:minmax(0,1fr);gap:22px;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-m);
    padding:12px 18px 18px;gap:4px;margin-left:0;
  }
  .site-nav.is-open{display:flex;}
  .nav-toggle{display:inline-flex;}
  .nav-actions{margin:10px 0 0;flex-wrap:wrap;}
  .nav-actions .btn{flex:1 1 140px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .cat-hero{padding:44px 0 50px;}
  .value-grid{grid-template-columns:minmax(0,1fr);}
  .step-grid{grid-template-columns:minmax(0,1fr);}
  .post-grid{grid-template-columns:minmax(0,1fr);}
  .brand-text small{display:none;}
  .dl-section{padding:52px 0;}
  .risk-band{padding:26px 22px;}
}
@media (max-width:520px){
  .site-wrap{padding:0 16px;}
  .cat-hero h1{font-size:24px;}
  .hero-actions .btn{width:100%;}
  .hero-panel{padding:20px 18px 16px;}
  .foot-grid{grid-template-columns:minmax(0,1fr);}
  .foot-bottom{flex-direction:column;gap:6px;}
  .value-card,.post-card,.step-card{padding:20px 18px;}
}

/* roulang page: article */
:root{
  --navy:#0d1f33;
  --navy-2:#14304d;
  --navy-3:#1c4269;
  --gold:#c99a3f;
  --gold-2:#e2bb6d;
  --red:#c34a3f;
  --ink:#15202e;
  --ink-2:#3f5369;
  --muted:#6c7d92;
  --line:#e3e9f1;
  --bg:#f4f7fb;
  --surface:#ffffff;
  --radius-l:18px;
  --radius-m:12px;
  --radius-s:8px;
  --shadow-s:0 2px 8px rgba(15,35,58,.06);
  --shadow-m:0 12px 30px rgba(15,35,58,.10);
  --shadow-l:0 26px 60px rgba(11,29,48,.18);
  --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","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(201,154,63,.55);outline-offset:2px;}
.site-wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;text-align:center;min-height:46px;
  line-height:1.3;
}
.btn-primary{background:linear-gradient(180deg,#1b3e61,#122c47);color:#fff;box-shadow:0 8px 20px rgba(18,44,71,.24);}
.btn-primary:hover{background:linear-gradient(180deg,#23507c,#16385a);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-gold{background:linear-gradient(180deg,#e0b76b,#c1922f);color:#1d1403;box-shadow:0 10px 24px rgba(193,146,47,.30);}
.btn-gold:hover{background:linear-gradient(180deg,#eec681,#cb9c37);transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:#cfdae6;color:var(--navy-2);}
.btn-ghost:hover{border-color:var(--navy-2);background:#f4f8fc;}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.38);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.62);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;position:relative;gap:16px;flex-wrap:nowrap;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(150deg,#1b3e61,#0d1f33);
  color:var(--gold-2);font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 1px rgba(226,187,109,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-text strong{font-size:18px;color:var(--navy);letter-spacing:.02em;font-weight:800;}
.brand-text small{font-size:11.5px;color:var(--muted);margin-top:3px;letter-spacing:.02em;}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{padding:9px 14px;border-radius:9px;font-size:15px;color:var(--ink-2);font-weight:500;white-space:nowrap;}
.nav-link:hover{color:var(--navy);background:#eef3f9;}
.nav-link.is-active{color:var(--navy);font-weight:700;background:#edf3fa;}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:16px;flex-shrink:0;}
.nav-actions .btn{padding:10px 18px;font-size:14.5px;min-height:42px;white-space:nowrap;}
.nav-toggle{
  display:none;align-items:center;gap:6px;
  border:1px solid #cfdae6;background:#fff;color:var(--navy-2);
  border-radius:9px;padding:8px 14px;font-size:14px;font-weight:700;cursor:pointer;margin-left:auto;
}
.nav-toggle:hover{border-color:var(--navy-2);background:#f4f8fc;}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 420px at 84% 4%,rgba(201,154,63,.20),transparent 62%),
    radial-gradient(700px 380px at 6% 96%,rgba(56,120,180,.26),transparent 65%),
    linear-gradient(158deg,#0a1a2c 0%,#12304d 56%,#1a3d5f 100%);
  padding:52px 0 60px;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(226,187,109,.5),transparent);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.52);}
.crumb a{color:rgba(255,255,255,.74);}
.crumb a:hover{color:var(--gold-2);}
.crumb-sep{color:rgba(255,255,255,.3);}
.article-hero h1{
  margin-top:18px;color:#fff;max-width:900px;
  font-size:clamp(24px,2.9vw,38px);line-height:1.44;letter-spacing:.01em;font-weight:800;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.64);}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;
  border:1px solid rgba(226,187,109,.40);background:rgba(226,187,109,.10);
  color:var(--gold-2);font-size:12.5px;font-weight:700;letter-spacing:.03em;
}
.meta-dot{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.34);display:inline-block;flex-shrink:0;}
.meta-row time{color:rgba(255,255,255,.64);}

/* ---------- 正文区 ---------- */
.article-section{padding:56px 0 70px;background:var(--surface);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start;}
.article-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);padding:36px 40px 42px;min-width:0;
}
.pull-quote{
  margin:0 0 26px;padding:20px 24px;border-left:4px solid var(--gold);
  background:linear-gradient(90deg,#fbf6ea,#ffffff);
  color:var(--ink);font-size:16px;line-height:1.92;border-radius:0 12px 12px 0;
}
.article-body{font-size:16.5px;line-height:2;color:var(--ink-2);word-wrap:break-word;overflow-wrap:break-word;}
.article-body > * + *{margin-top:16px;}
.article-body h2{
  font-size:22px;line-height:1.5;color:var(--navy);font-weight:800;
  margin-top:36px;padding-left:14px;border-left:4px solid var(--gold);
}
.article-body h3{font-size:18.5px;line-height:1.6;color:var(--navy);font-weight:700;margin-top:26px;}
.article-body h4{font-size:16.5px;color:var(--navy-2);font-weight:700;margin-top:20px;}
.article-body p{margin:14px 0;}
.article-body ul,.article-body ol{margin:14px 0;padding-left:24px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:7px 0;}
.article-body a{color:#17527f;text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--gold);}
.article-body blockquote{
  margin:22px 0;padding:16px 22px;background:#f6f9fd;border-left:3px solid var(--gold);
  border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body img{border-radius:var(--radius-m);margin:22px auto;box-shadow:var(--shadow-s);}
.article-body strong{color:var(--navy);font-weight:700;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:#f4f8fc;color:var(--navy);font-weight:700;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:28px 0;}
.article-empty{text-align:center;padding:48px 10px;color:var(--ink-2);}
.article-empty h2{font-size:22px;color:var(--navy);margin-bottom:12px;}
.article-empty p{margin-bottom:24px;color:var(--muted);font-size:15px;line-height:1.9;}

/* ---------- 侧栏 ---------- */
.article-side{min-width:0;display:grid;gap:20px;align-content:start;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);padding:22px 22px 20px;
}
.side-title{font-size:15.5px;font-weight:800;color:var(--navy);margin-bottom:6px;letter-spacing:.02em;}
.side-desc{font-size:13px;line-height:1.8;color:var(--muted);margin-bottom:16px;}
.side-dl{display:grid;gap:10px;}
.side-dl a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 15px;border-radius:10px;border:1px solid #d6e1ec;background:#f8fbfe;
  font-size:14px;font-weight:700;color:var(--navy-2);
}
.side-dl a:hover{border-color:var(--gold);background:#fdf8ee;color:var(--navy);}
.side-dl a span.arrow{color:var(--gold);font-size:15px;flex-shrink:0;}
.side-risk{background:linear-gradient(180deg,#fdf7f5,#ffffff);border-color:#f0dcd7;}
.side-risk .side-title{color:var(--red);}
.side-risk p{font-size:13px;line-height:1.85;color:var(--ink-2);}
.side-more{background:linear-gradient(160deg,#0f2539,#1a3d5f);border-color:transparent;color:#fff;}
.side-more .side-title{color:#fff;}
.side-more p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.7);margin-bottom:16px;}
.side-more .btn{width:100%;}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}
.section--alt{background:var(--bg);}
.section--tight{padding:54px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.6px;font-weight:800;letter-spacing:.14em;color:var(--gold);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px;}
.section-head{max-width:780px;margin-bottom:34px;}
.section-title{font-size:clamp(22px,2.4vw,30px);line-height:1.45;color:var(--navy);font-weight:800;}
.section-sub{margin-top:12px;font-size:15px;line-height:1.95;color:var(--muted);}
.point-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.point-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px 24px;box-shadow:var(--shadow-s);min-width:0;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.point-card:hover{box-shadow:var(--shadow-m);transform:translateY(-3px);border-color:#d5e2ef;}
.point-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(150deg,#1b3e61,#0d1f33);color:var(--gold-2);
  font-size:14px;font-weight:800;margin-bottom:14px;
}
.point-card h3{font-size:16.5px;color:var(--navy);font-weight:700;line-height:1.6;}
.point-card p{margin-top:9px;font-size:14px;line-height:1.9;color:var(--muted);}

/* ---------- 下载区 ---------- */
.download-band{
  background:
    radial-gradient(640px 320px at 88% 0%,rgba(201,154,63,.20),transparent 60%),
    linear-gradient(158deg,#0c2036,#16385a 62%,#1c4269 100%);
  border-radius:var(--radius-l);color:#fff;padding:38px 40px;
  box-shadow:var(--shadow-m);
}
.download-head{max-width:680px;margin-bottom:26px;}
.download-head h2{font-size:clamp(21px,2.3vw,27px);color:#fff;line-height:1.45;font-weight:800;}
.download-head p{margin-top:11px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72);}
.dl-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.dl-btn{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:15px 20px;border-radius:12px;min-width:0;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.20);
  color:#fff;font-size:15px;font-weight:700;
}
.dl-btn small{display:block;font-size:11.5px;font-weight:500;color:rgba(255,255,255,.58);margin-top:3px;letter-spacing:.02em;}
.dl-btn:hover{background:rgba(226,187,109,.16);border-color:rgba(226,187,109,.55);transform:translateY(-2px);}
.dl-btn .dl-arrow{color:var(--gold-2);font-size:17px;flex-shrink:0;}

/* ---------- 风险提示条 ---------- */
.risk-band{
  background:#fdf8f6;border:1px solid #f0dcd7;border-radius:var(--radius-m);
  padding:26px 28px;display:flex;gap:18px;align-items:flex-start;
}
.risk-badge{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;
  background:rgba(195,74,63,.10);color:var(--red);
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;
}
.risk-band h2{font-size:17px;color:var(--red);font-weight:800;margin-bottom:8px;}
.risk-band p{font-size:14px;line-height:1.95;color:var(--ink-2);}

/* ---------- 继续阅读 ---------- */
.more-band{background:var(--bg);border-top:1px solid var(--line);padding:52px 0;}
.more-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:28px 32px;box-shadow:var(--shadow-s);
}
.more-inner h2{font-size:19px;color:var(--navy);font-weight:800;line-height:1.5;}
.more-inner p{margin-top:8px;font-size:14px;line-height:1.9;color:var(--muted);max-width:600px;}
.more-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0b1c2e;color:rgba(255,255,255,.72);padding:56px 0 26px;}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.8fr) minmax(0,.8fr) minmax(0,1.15fr);gap:34px;}
.foot-about{min-width:0;}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px;}
.foot-brand .brand-mark{width:36px;height:36px;border-radius:10px;font-size:16px;}
.foot-about p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6);}
.foot-title{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px;letter-spacing:.03em;}
.foot-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.foot-links a{color:rgba(255,255,255,.66);}
.foot-links a:hover{color:var(--gold-2);}
.foot-risk p{font-size:13px;line-height:1.88;color:rgba(255,255,255,.58);}
.friend-links{
  display:flex;gap:10px 16px;flex-wrap:wrap;align-items:baseline;
  border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:22px;font-size:13.5px;
}
.friend-links__label{color:var(--gold-2);font-weight:700;flex-shrink:0;}
.friend-links__list{display:flex;flex-wrap:wrap;gap:8px 18px;min-width:0;}
.friend-links__list a{color:rgba(255,255,255,.66);}
.friend-links__list a:hover{color:var(--gold-2);}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);margin-top:22px;padding-top:18px;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;}
  .site-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;margin-top:10px;
    background:#fff;border:1px solid var(--line);border-radius:14px;
    box-shadow:var(--shadow-m);padding:14px;
  }
  .site-nav.is-open{display:flex;}
  .nav-link{padding:11px 14px;}
  .nav-actions{
    margin-left:0;margin-top:8px;padding-top:12px;border-top:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:10px;
  }
  .nav-actions .btn{width:100%;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .article-side{grid-template-columns:repeat(2,minmax(0,1fr));}
  .point-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .article-shell{padding:30px 28px 34px;}
  .download-band{padding:30px 26px;}
  .dl-buttons{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .site-wrap{padding:0 16px;}
  .brand-text small{display:none;}
  .brand-text strong{font-size:16.5px;}
  .article-hero{padding:38px 0 44px;}
  .article-hero h1{font-size:23px;line-height:1.5;}
  .article-section{padding:40px 0 52px;}
  .article-shell{padding:24px 18px 28px;border-radius:14px;}
  .article-body{font-size:16px;line-height:1.95;}
  .article-body h2{font-size:19.5px;margin-top:28px;padding-left:11px;}
  .article-body h3{font-size:17px;}
  .article-side{grid-template-columns:minmax(0,1fr);}
  .point-grid{grid-template-columns:minmax(0,1fr);}
  .dl-buttons{grid-template-columns:minmax(0,1fr);}
  .download-band{padding:26px 20px;border-radius:14px;}
  .risk-band{padding:22px 20px;gap:14px;}
  .more-inner{padding:24px 20px;flex-direction:column;align-items:flex-start;}
  .section{padding:52px 0;}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .site-footer{padding:42px 0 22px;}
}
@media (max-width:520px){
  .btn{width:100%;}
  .btn-inline{width:auto;}
  .meta-row{font-size:12.5px;}
  .article-hero h1{font-size:21px;}
  .pull-quote{font-size:15px;padding:16px 18px;}
  .more-actions{width:100%;}
  .more-actions .btn{width:100%;}
}