/* roulang page: index */
:root{
  --bg:#f5f7fb;
  --surface:#ffffff;
  --ink:#111a2e;
  --ink-2:#33415c;
  --muted:#626e85;
  --line:#e3e8f1;
  --brand:#1f3b73;
  --brand-600:#2a4f96;
  --brand-050:#eaf0fb;
  --accent:#c8862a;
  --accent-050:#fbf2e3;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(17,26,46,.05),0 6px 18px -10px rgba(17,26,46,.18);
  --shadow-md:0 14px 34px -16px rgba(17,26,46,.32);
  --container:1180px;
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--header-h);
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 10px 26px -20px rgba(17,26,46,.55)}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;color:var(--ink);flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-600));
  color:#fff;box-shadow:0 8px 16px -10px rgba(31,59,115,.95);
}
.brand-mark svg{width:18px;height:18px}
.brand-sub{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.14em;line-height:1}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 13px;border-radius:9px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-050);color:var(--brand)}
.nav-link.is-active{background:var(--brand-050);color:var(--brand);font-weight:700}
.nav-ico{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.header-cta{margin-left:auto;height:38px;padding:0 16px;font-size:14px}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(31,59,115,.95)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(31,59,115,1)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#1d1408;box-shadow:0 10px 22px -14px rgba(200,134,42,.95)}
.btn-accent:hover{background:#b1761f;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.38);color:#eef3fb}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#0d1729;color:#eef3fb}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.36;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(9,16,30,.96) 0%,rgba(9,16,30,.78) 48%,rgba(9,16,30,.34) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:82px;padding-bottom:54px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:#9cb8e8;text-transform:uppercase;
}
.hero-eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--accent)}
.hero h1{
  font-size:clamp(30px,4.1vw,44px);
  line-height:1.3;font-weight:800;letter-spacing:-.012em;
  margin-top:18px;max-width:17em;color:#fff;
}
.hero-lead{margin-top:20px;max-width:56em;font-size:15.8px;line-height:1.9;color:#c4d3ea}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  font-size:13px;font-weight:500;color:#cfdcf0;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
}
.hero-metrics{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.13);background:rgba(8,14,26,.55)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:22px 22px 24px;border-right:1px solid rgba(255,255,255,.09)}
.metric:last-child{border-right:0}
.metric-num{font-size:27px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2}
.metric-num span{font-size:13px;font-weight:600;color:#93aed6;margin-left:5px}
.metric-label{font-size:12.8px;color:#9db1cd;margin-top:4px}

/* ---------- Sections ---------- */
.section{padding:74px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:#0d1729;color:#e7eefb}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:#9fb3d1}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.8px;font-weight:700;letter-spacing:.08em;color:var(--accent);
}
.sec-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.sec-title{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.38;margin-top:12px;letter-spacing:-.01em;color:var(--ink)}
.sec-desc{margin-top:14px;font-size:15.4px;line-height:1.82;color:var(--muted)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- Cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cbd7ec}
.cap-card{padding:26px 24px}
.cap-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand);margin-bottom:16px;
  transition:background .2s ease,color .2s ease;
}
.cap-card:hover .cap-ico{background:var(--brand);color:#fff}
.cap-ico svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.cap-card h3{font-size:16.5px;font-weight:700;color:var(--ink);letter-spacing:.005em}
.cap-card p{margin-top:9px;font-size:14.4px;line-height:1.78;color:var(--muted)}

/* ---------- Spec table ---------- */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow-x:auto;
}
.spec-table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
.spec-table thead th{
  text-align:left;padding:16px 20px;font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-050);border-bottom:1px solid var(--line);white-space:nowrap;
}
.spec-table tbody td{padding:16px 20px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table tbody tr{transition:background .18s ease}
.spec-table tbody tr:hover{background:#f8fafe}
.spec-table .cell-name{font-weight:700;color:var(--ink);white-space:nowrap}
.pill{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--accent-050);color:#8a5a12;
}

/* ---------- Compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm)}
.compare-col.is-good{border-color:#c9d9f3;background:linear-gradient(180deg,#f7faff,#fff)}
.compare-head{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--ink)}
.compare-head .dot{width:9px;height:9px;border-radius:50%;background:#b3bfd4;flex:none}
.compare-col.is-good .compare-head .dot{background:var(--brand-600)}
.compare-list{margin-top:16px;display:grid;gap:12px}
.compare-list li{display:flex;gap:10px;font-size:14.4px;line-height:1.75;color:var(--muted)}
.compare-list li svg{width:17px;height:17px;flex:none;margin-top:3px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;color:#9aa8bf}
.compare-col.is-good .compare-list li svg{color:var(--brand-600)}

/* ---------- Stage timeline ---------- */
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stage-card{
  position:relative;padding:26px 24px;border-radius:var(--radius);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.stage-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.24)}
.stage-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;font-size:13px;font-weight:800;
  background:rgba(200,134,42,.18);color:#e8b56c;margin-bottom:14px;
}
.stage-card h3{font-size:16.5px;font-weight:700;color:#fff}
.stage-card p{margin-top:9px;font-size:14.3px;line-height:1.78;color:#9fb3d1}

/* ---------- Case ---------- */
.case-card{display:flex;flex-direction:column;height:100%}
.case-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#dfe6f2}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-card:hover .case-media img{transform:scale(1.05)}
.case-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.case-tag{align-self:flex-start;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;background:var(--brand-050);color:var(--brand)}
.case-body h3{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--ink)}
.case-body p{font-size:14.3px;line-height:1.78;color:var(--muted);flex:1}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cbd7ec}
.step-no{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:var(--brand);background:var(--brand-050);margin-bottom:14px;
}
.step h3{font-size:16px;font-weight:700;color:var(--ink)}
.step p{margin-top:8px;font-size:14.2px;line-height:1.78;color:var(--muted)}

/* ---------- Topic entry ---------- */
.topic-card{display:flex;flex-direction:column;gap:12px;padding:26px 24px}
.topic-ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand);transition:background .2s ease,color .2s ease;
}
.topic-card:hover .topic-ico{background:var(--brand);color:#fff}
.topic-ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.topic-card h3{font-size:17px;font-weight:700;color:var(--ink)}
.topic-card p{font-size:14.3px;line-height:1.78;color:var(--muted);flex:1}
.topic-more{display:inline-flex;align-items:center;gap:6px;font-size:13.6px;font-weight:700;color:var(--brand)}
.topic-more svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.topic-card:hover .topic-more svg{transform:translateX(3px)}

/* ---------- Guarantee strip ---------- */
.guard-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
}
.guard{display:flex;gap:12px;align-items:flex-start}
.guard svg{width:21px;height:21px;flex:none;margin-top:3px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.guard b{display:block;font-size:14.6px;font-weight:700;color:var(--ink)}
.guard span{display:block;font-size:13.2px;color:var(--muted);line-height:1.7;margin-top:2px}

/* ---------- Voices ---------- */
.voice-card{padding:24px 24px 22px;display:flex;flex-direction:column;gap:14px}
.voice-text{font-size:14.6px;line-height:1.85;color:var(--ink-2);flex:1}
.voice-user{display:flex;align-items:center;gap:11px}
.voice-avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand);font-weight:800;font-size:14px;flex:none;
}
.voice-name{font-size:14px;font-weight:700;color:var(--ink);line-height:1.3}
.voice-role{font-size:12.5px;color:var(--muted);line-height:1.5}

/* ---------- News ---------- */
.news-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:28px;align-items:start}
.news-list{display:grid;gap:16px}
.news-item{
  display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cbd7ec}
.news-thumb{aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:#dfe6f2}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body h3{font-size:15.6px;font-weight:700;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover .news-body h3{color:var(--brand-600)}
.news-body p{margin-top:6px;font-size:13.6px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;font-size:12.4px;color:#8794ab}
.news-meta .m-cat{color:var(--brand);font-weight:700}
.side-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px}
.side-panel h3{font-size:15.6px;font-weight:800;color:var(--ink);padding-bottom:14px;border-bottom:1px solid var(--line)}
.side-list{display:grid;gap:14px;margin-top:16px}
.side-item{display:flex;gap:12px;align-items:flex-start}
.side-idx{
  width:22px;height:22px;flex:none;border-radius:6px;display:grid;place-items:center;
  font-size:11.5px;font-weight:800;background:var(--brand-050);color:var(--brand);margin-top:2px;
}
.side-item h4{font-size:13.9px;font-weight:600;line-height:1.6;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-item:hover h4{color:var(--brand-600)}
.side-item span{display:block;font-size:12.2px;color:#8794ab;margin-top:3px}
.empty-note{
  padding:34px 24px;border:1px dashed var(--line);border-radius:var(--radius);
  background:#fff;color:var(--muted);font-size:14.5px;text-align:center;
}

/* ---------- Partners ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.partner{
  display:grid;place-items:center;height:74px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);
  font-size:14px;font-weight:700;color:#7c8aa1;letter-spacing:.02em;
  transition:color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.partner:hover{color:var(--brand);border-color:#cbd7ec;transform:translateY(-3px);box-shadow:var(--shadow-sm)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:#c7d7f0;box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:19px 22px;font-size:15.6px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";margin-left:auto;width:10px;height:10px;flex:none;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item p{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- Consult ---------- */
.consult{position:relative;overflow:hidden}
.consult-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.2}
.consult::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(9,16,30,.95),rgba(9,16,30,.78))}
.consult .container{position:relative;z-index:2}
.consult-list{display:grid;gap:14px;margin-top:26px}
.consult-list li{display:flex;gap:11px;font-size:14.6px;line-height:1.8;color:#a9bcd8}
.consult-list li svg{width:18px;height:18px;flex:none;margin-top:4px;stroke:#e0b070;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.consult-form{background:#fff;border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.consult-form h3{font-size:18px;font-weight:800;color:var(--ink)}
.consult-form .form-hint{margin-top:6px;font-size:13.6px;color:var(--muted);line-height:1.7}
.field{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.field label{font-size:13.4px;font-weight:700;color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:10px;
  background:#fbfcfe;font-size:14.8px;color:var(--ink);font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);background:#fff;box-shadow:0 0 0 3px rgba(42,79,150,.14);
}
.form-note{margin-top:14px;font-size:12.6px;color:#8794ab;line-height:1.7}

/* ---------- Footer ---------- */
.site-footer{background:#0b1424;color:#a7b8d1;padding:60px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-top{
  display:flex;align-items:center;gap:14px;padding-bottom:28px;margin-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff}
.footer-logo .brand-mark{box-shadow:none}
.footer-slogan{font-size:13.8px;color:#8399b8;margin-left:auto;text-align:right;max-width:34em;line-height:1.7}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;gap:34px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:13.8px;color:#9bb0cc;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:13.6px;line-height:1.85;color:#8fa4c1}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.8px;color:#7b8fae;
}
.footer-bottom a{color:#9bb0cc}
.footer-bottom a:hover{color:#fff}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid rgba(255,255,255,.09)}
  .stage-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .guard-strip{grid-template-columns:1fr 1fr}
  .news-layout{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 16px 14px;display:none;
    box-shadow:0 20px 34px -24px rgba(17,26,46,.55);
  }
  .main-nav.open{display:flex}
  .nav-link{height:46px;padding:0 12px}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .brand-sub{display:none}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:54px 0}
  .hero-inner{padding-top:58px;padding-bottom:40px}
  .hero-lead{font-size:15px}
  .compare-grid{grid-template-columns:1fr}
  .stage-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:112px 1fr;gap:14px}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-slogan{margin-left:0;text-align:left;max-width:none;width:100%}
  .footer-top{flex-wrap:wrap}
}
@media (max-width:520px){
  .metrics-grid{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.09)}
  .metric:last-child{border-bottom:0}
  .steps{grid-template-columns:1fr}
  .guard-strip{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-thumb{aspect-ratio:16/9}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .header-cta{display:none}
}

/* roulang page: category1 */
:root{
  --bg:#f5f7fb;
  --surface:#ffffff;
  --ink:#111a2e;
  --ink-2:#33415c;
  --muted:#626e85;
  --line:#e3e8f1;
  --brand:#1f3b73;
  --brand-600:#2a4f96;
  --brand-050:#eaf0fb;
  --accent:#c8862a;
  --accent-050:#fbf2e3;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(17,26,46,.05),0 6px 18px -10px rgba(17,26,46,.18);
  --shadow-md:0 14px 34px -16px rgba(17,26,46,.32);
  --container:1180px;
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em}
p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--header-h);
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 10px 26px -20px rgba(17,26,46,.55)}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;color:var(--ink);flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-600));
  color:#fff;box-shadow:0 8px 16px -10px rgba(31,59,115,.95);
}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand-name{display:block;line-height:1.2}
.brand-sub{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.14em;line-height:1.4}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 13px;border-radius:9px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-050);color:var(--brand)}
.nav-link:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.nav-link.is-active{background:var(--brand-050);color:var(--brand);font-weight:700}
.nav-ico{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.header-cta{margin-left:auto;height:38px;padding:0 16px;font-size:14px}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}
.nav-toggle:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(31,59,115,.95)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(31,59,115,1)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#1d1408;box-shadow:0 10px 22px -14px rgba(200,134,42,.95)}
.btn-accent:hover{background:#b1761f;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.38);color:#eef3fb}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-block{width:100%}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px;border-radius:9px}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#0d1729;color:#eef3fb}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(9,16,30,.97) 0%,rgba(9,16,30,.85) 46%,rgba(9,16,30,.46) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:38px;padding-bottom:56px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:46px;align-items:start}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:#9cb8e8;text-transform:uppercase;
}
.hero-eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--accent)}
.hero h1{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.34;font-weight:800;letter-spacing:-.012em;
  margin-top:16px;max-width:20em;color:#fff;
}
.hero-lead{margin-top:18px;max-width:44em;font-size:15.6px;line-height:1.92;color:#c4d3ea}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags li{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  font-size:13px;font-weight:500;color:#cfdcf0;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
}
/* 创作者主页头图区域 */
.profile-bar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:12px 16px;border-radius:14px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
}
.avatar-badge{
  width:48px;height:48px;flex:none;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(200,134,42,.95),rgba(160,102,28,.95));
  color:#1d1408;box-shadow:0 10px 20px -14px rgba(0,0,0,.9);
}
.avatar-badge svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.profile-id{display:flex;flex-direction:column;line-height:1.42;margin-right:auto}
.profile-id strong{font-size:15.5px;font-weight:800;color:#fff;letter-spacing:.01em}
.profile-id em{font-style:normal;font-size:12.8px;color:#a7bcdc}
.hero-side{display:flex;flex-direction:column;gap:16px}
.badge-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.badge-cell{
  padding:12px 10px;border-radius:12px;text-align:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
}
.badge-cell b{display:block;font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em}
.badge-cell span{display:block;font-size:12px;color:#a7bcdc;margin-top:2px}
.hero-figure{
  margin:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 26px 50px -30px rgba(0,0,0,.95);
  background:#0a1322;
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-figure figcaption{
  padding:10px 14px;font-size:12.5px;color:#a7bcdc;
  background:rgba(8,14,26,.75);border-top:1px solid rgba(255,255,255,.1);
}
/* ---------- Sections ---------- */
.section{padding:70px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:#0d1729;color:#e7eefb}
.section-tight{padding:56px 0}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.8px;font-weight:700;letter-spacing:.08em;color:var(--accent);
}
.sec-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.sec-title{font-size:clamp(21px,2.5vw,29px);font-weight:800;line-height:1.4;margin-top:12px;color:var(--ink)}
.sec-desc{margin-top:14px;font-size:15px;line-height:1.88;color:var(--muted);max-width:58em}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:#9fb3d1}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
/* ---------- Metric board ---------- */
.metric-board{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  margin-top:34px;
}
.metric{
  padding:22px 20px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfd9ea}
.metric b{display:block;font-size:27px;font-weight:800;letter-spacing:-.02em;color:var(--brand)}
.metric span{display:block;margin-top:6px;font-size:13.4px;color:var(--muted);line-height:1.7}
/* ---------- Card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:34px}
.card-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd9ea}
.card-thumb{position:relative;overflow:hidden;background:#e8eef7}
.card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-kicker{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-050);
}
.card-title{font-size:16.5px;font-weight:800;line-height:1.5;color:var(--ink)}
.card-text{font-size:14.2px;line-height:1.8;color:var(--muted)}
.card-meta{margin-top:auto;font-size:12.5px;color:#8a94a8;padding-top:8px;border-top:1px dashed var(--line)}
/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:34px;counter-reset:step}
.step{
  position:relative;padding:26px 20px 22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfd9ea}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:24px;font-weight:800;letter-spacing:-.02em;
  color:var(--accent);margin-bottom:10px;
}
.step h3{font-size:15.8px;font-weight:800;line-height:1.5}
.step p{margin-top:8px;font-size:14px;line-height:1.78;color:var(--muted)}
/* ---------- Timeline ---------- */
.timeline{margin-top:34px;position:relative;padding-left:28px}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(31,59,115,.12));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 26px 8px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:8px;width:14px;height:14px;
  border-radius:50%;background:#fff;border:3px solid var(--brand);
  box-shadow:0 0 0 4px rgba(31,59,115,.1);
}
.tl-item h3{font-size:15.8px;font-weight:800;line-height:1.5}
.tl-item p{margin-top:6px;font-size:14.2px;line-height:1.82;color:var(--muted);max-width:56em}
.tl-item em{font-style:normal;font-size:12.5px;font-weight:700;color:var(--accent);letter-spacing:.06em;display:block;margin-bottom:2px}
/* ---------- Compare ---------- */
.compare-wrap{margin-top:34px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-col{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.compare-head{
  padding:16px 20px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:linear-gradient(180deg,#fbfcfe,#f4f7fc);
}
.compare-head h3{font-size:16px;font-weight:800}
.compare-head span{font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-050);padding:3px 10px;border-radius:999px}
.compare-list{padding:6px 20px 18px}
.compare-list li{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.2px;color:var(--ink-2);
}
.compare-list li:last-child{border-bottom:0}
.compare-list b{font-weight:800;color:var(--ink);flex:none;min-width:74px}
.compare-list span{color:var(--muted);text-align:right;line-height:1.7}
/* ---------- News list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:32px}
.news-card{
  display:flex;flex-direction:column;gap:10px;
  padding:22px 20px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd9ea}
.news-card:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.news-tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--accent);
  background:var(--accent-050);padding:3px 10px;border-radius:999px;
}
.news-card h3{font-size:16px;font-weight:800;line-height:1.55;color:var(--ink)}
.news-card p{font-size:14px;line-height:1.78;color:var(--muted)}
.news-foot{
  margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:#8a94a8;
}
.news-empty{
  margin-top:30px;padding:28px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px dashed var(--line);
  color:var(--muted);font-size:14.5px;
}
/* ---------- Guard ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:34px}
.guard-item{
  padding:24px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.guard-item:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.09)}
.guard-item h3{font-size:16px;font-weight:800;color:#fff}
.guard-item p{margin-top:9px;font-size:14.2px;line-height:1.82;color:#a7bcdc}
.guard-ico{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(200,134,42,.18);color:var(--accent);
}
.guard-ico svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
/* ---------- FAQ ---------- */
.faq-list{margin-top:32px;display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfd9ea;box-shadow:var(--shadow-md)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;
  font-size:15.4px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:19px;font-weight:700;color:var(--brand);line-height:1;flex:none;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(0deg)}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary:focus-visible{outline:2px solid var(--brand-600);outline-offset:-2px}
.faq-body{padding:0 20px 18px;font-size:14.4px;line-height:1.85;color:var(--muted)}
/* ---------- Consult form ---------- */
.consult-wrap{
  margin-top:34px;display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:36px;
  align-items:start;
}
.consult-points{display:grid;gap:14px}
.consult-point{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.consult-point i{
  width:26px;height:26px;flex:none;border-radius:8px;display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand);
  font-style:normal;font-size:13px;font-weight:800;
}
.consult-point strong{display:block;font-size:14.6px;font-weight:800;color:var(--ink)}
.consult-point span{display:block;font-size:13.6px;color:var(--muted);line-height:1.75;margin-top:2px}
.consult-form{
  padding:26px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-md);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.4px;font-weight:700;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border-radius:10px;
  border:1px solid var(--line);background:#fbfcfe;
  font-family:inherit;font-size:14.4px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.75}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);background:#fff;
  box-shadow:0 0 0 3px rgba(42,79,150,.14);
}
.form-hint{font-size:12.6px;color:#8a94a8;line-height:1.7;margin-top:12px}
.form-done{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:var(--accent-050);border:1px solid #efdcc0;
  font-size:13.4px;color:#7a5216;
}
.form-done.is-show{display:block}
/* ---------- Footer ---------- */
.site-footer{background:#0b1424;color:#9fb3d1;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-top{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff}
.footer-slogan{font-size:14px;line-height:1.8;color:#8ea3c1;max-width:52em}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px;padding:32px 0 26px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;letter-spacing:.02em;margin-bottom:12px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.8px;color:#9fb3d1;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.footer-col p{font-size:13.4px;line-height:1.8;color:#8ea3c1}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12.8px;color:#7b8ea9;
}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-board{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guard-grid{grid-template-columns:1fr}
  .consult-wrap{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  .main-nav{
    position:absolute;top:var(--header-h);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    margin-left:0;padding:10px 16px 16px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px -22px rgba(17,26,46,.55);
  }
  .main-nav.is-open{display:flex}
  .nav-link{height:44px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .hero-inner{padding-top:28px;padding-bottom:42px}
  .hero h1{font-size:26px}
  .hero-lead{font-size:14.8px}
  .card-grid,.card-grid-3,.metric-board,.steps,.news-grid,.compare-wrap{grid-template-columns:1fr}
  .badge-row{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .sec-head-row{align-items:flex-start}
  .brand-sub{display:none}
}
@media (max-width:520px){
  .hero h1{font-size:23px;line-height:1.36}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .profile-bar{padding:12px}
  .badge-cell b{font-size:16px}
  .badge-cell span{font-size:11px}
  .compare-list li{flex-direction:column;gap:4px;align-items:flex-start}
  .compare-list span{text-align:left}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
 --bg:#f5f7fb;
 --surface:#ffffff;
 --ink:#111a2e;
 --ink-2:#33415c;
 --muted:#626e85;
 --line:#e3e8f1;
 --brand:#1f3b73;
 --brand-600:#2a4f96;
 --brand-050:#eaf0fb;
 --accent:#c8862a;
 --accent-050:#fbf2e3;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(17,26,46,.05),0 6px 18px -10px rgba(17,26,46,.18);
 --shadow-md:0 14px 34px -16px rgba(17,26,46,.32);
 --container:1180px;
 --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
 font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;height:var(--header-h);
 background:rgba(255,255,255,.95);
 backdrop-filter:saturate(140%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 10px 26px -20px rgba(17,26,46,.55)}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;color:var(--ink);flex:none}
.brand-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(145deg,var(--brand),var(--brand-600));
 color:#fff;box-shadow:0 8px 16px -10px rgba(31,59,115,.95);
}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand-name{display:block;line-height:1.2}
.brand-sub{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.14em;line-height:1}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
 display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 13px;border-radius:9px;
 font-size:14.5px;font-weight:500;color:var(--ink-2);
 transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-050);color:var(--brand)}
.nav-link.is-active{background:var(--brand-050);color:var(--brand);font-weight:700}
.nav-ico{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.header-cta{margin-left:auto;height:38px;padding:0 16px;font-size:14px}
.nav-toggle{
 display:none;margin-left:10px;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);background:#fff;color:var(--ink-2);
 align-items:center;justify-content:center;cursor:pointer;
 transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--brand-050);border-color:var(--brand)}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}

/* ---------- Buttons / chips ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:44px;padding:0 20px;border-radius:10px;
 font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
 transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
 white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(31,59,115,.95)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(31,59,115,1)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#1d1408;box-shadow:0 10px 22px -14px rgba(200,134,42,.95)}
.btn-accent:hover{background:#b1761f;transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-block{width:100%}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.8px;font-weight:600;
 background:var(--brand-050);color:var(--brand);border:1px solid rgba(31,59,115,.14);
}
.chip-soft{background:rgba(255,255,255,.09);color:#cfdcf0;border-color:rgba(255,255,255,.18);font-weight:500}

/* ---------- Article hero ---------- */
.post-hero{position:relative;overflow:hidden;background:#0d1729;color:#eef3fb}
.post-hero .hero-bg{
 position:absolute;inset:0;
 background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 opacity:.3;
}
.post-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(118deg,rgba(9,16,30,.96) 0%,rgba(9,16,30,.82) 52%,rgba(9,16,30,.42) 100%);
}
.post-hero-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
 gap:52px;align-items:center;
 padding-top:58px;padding-bottom:58px;
}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:#93a9c9}
.breadcrumb a{color:#bfd0e8;transition:color .18s ease}
.breadcrumb a:hover{color:#fff}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:9px;margin-top:18px;
 font-size:12.5px;font-weight:700;letter-spacing:.16em;color:#9cb8e8;
}
.hero-eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--accent)}
.post-hero h1{
 margin-top:16px;font-size:clamp(27px,3.5vw,40px);line-height:1.32;
 font-weight:800;letter-spacing:-.012em;color:#fff;
}
.post-lead{margin-top:18px;font-size:15.6px;line-height:1.9;color:#c4d3ea;max-width:44em}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px}
.post-date{font-size:13.2px;color:#9db2d4}
.post-hero-figure{position:relative}
.post-hero-figure img{
 width:100%;aspect-ratio:4/3;object-fit:cover;
 border-radius:16px;border:1px solid rgba(255,255,255,.16);
 box-shadow:0 26px 60px -32px rgba(0,0,0,.95);
}
.post-hero-figure .fig-badge{
 position:absolute;left:16px;top:16px;
 display:inline-flex;align-items:center;gap:7px;
 padding:6px 12px;border-radius:999px;
 background:rgba(200,134,42,.94);color:#1d1408;
 font-size:12.4px;font-weight:800;letter-spacing:.04em;
}
.post-hero-figure figcaption{margin-top:12px;font-size:12.8px;color:#93a9c9;line-height:1.7}

/* ---------- Metrics strip ---------- */
.hero-metrics{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.13);background:rgba(8,14,26,.6)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:20px 18px;border-right:1px solid rgba(255,255,255,.11)}
.metric:last-child{border-right:0}
.metric-num{display:block;font-size:22px;font-weight:800;color:#fff;letter-spacing:-.01em}
.metric-label{display:block;font-size:12.8px;color:#9db2d4;margin-top:4px}

/* ---------- Sections ---------- */
.section{padding:72px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:#0d1729;color:#e7eefb}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:#9fb3d1}
.sec-eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.8px;font-weight:700;letter-spacing:.08em;color:var(--accent);
}
.sec-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.sec-title{font-size:clamp(21px,2.5vw,29px);font-weight:800;line-height:1.4;margin-top:12px;letter-spacing:-.01em;color:var(--ink)}
.sec-desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);max-width:52em}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- Article body ---------- */
.post-body-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start}
.article-body{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:38px 40px;box-shadow:var(--shadow-sm);
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
 font-size:23px;line-height:1.45;font-weight:800;color:var(--ink);
 margin:34px 0 14px;padding-left:14px;position:relative;
}
.article-body h2::before{
 content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
 background:linear-gradient(var(--brand),var(--accent));
}
.article-body h3{font-size:18px;font-weight:700;color:var(--ink);margin:26px 0 10px}
.article-body p{margin:0 0 16px;font-size:15.6px;line-height:1.92;color:var(--ink-2)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px;font-size:15.4px;line-height:1.9;color:var(--ink-2)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(31,59,115,.3);transition:border-color .18s ease,color .18s ease}
.article-body a:hover{color:var(--brand-600);border-color:var(--brand)}
.article-body img{border-radius:12px;margin:22px 0;border:1px solid var(--line)}
.article-body blockquote{
 margin:22px 0;padding:16px 20px;border-left:4px solid var(--accent);
 background:var(--accent-050);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
 color:#5a4620;font-size:15.2px;line-height:1.9;
}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.8px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:var(--brand-050);color:var(--brand);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0}
.article-empty{padding:16px 0 8px}
.article-empty h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:12px}
.article-empty p{font-size:15.4px;color:var(--muted);line-height:1.9;margin-bottom:20px}

.side-stack{display:grid;gap:18px;position:sticky;top:84px}
.side-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 22px 20px;box-shadow:var(--shadow-sm);
 transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.side-card:hover{box-shadow:var(--shadow-md);border-color:#cfd9ea;transform:translateY(-2px)}
.side-card h3{font-size:15px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.side-list li{
 position:relative;padding-left:16px;font-size:14.2px;line-height:1.85;color:var(--ink-2);
 margin-bottom:10px;
}
.side-list li:last-child{margin-bottom:0}
.side-list li::before{
 content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
 background:var(--brand);opacity:.5;
}
.side-links a{
 display:flex;align-items:center;justify-content:space-between;gap:10px;
 padding:10px 0;font-size:14.2px;color:var(--ink-2);
 border-bottom:1px dashed var(--line);
 transition:color .18s ease;
}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--brand)}
.side-links a span.arw{color:var(--brand);font-weight:700}
.guard-note{background:linear-gradient(160deg,#12203a,#0d1729);border-color:#22314f}
.guard-note h3{color:#fff}
.guard-note p{font-size:13.8px;line-height:1.9;color:#a9bcd9;margin:0}
.guard-note .dot{background:var(--accent)}

/* ---------- Info cards ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}
.info-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd9ea}
.info-ico{
 width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:var(--brand-050);color:var(--brand);margin-bottom:16px;
}
.info-ico svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.info-card h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:9px}
.info-card p{font-size:14.4px;line-height:1.85;color:var(--muted)}
.info-card .tagline{display:inline-block;margin-top:14px;font-size:12.6px;font-weight:700;color:var(--accent)}

/* ---------- Tables ---------- */
.table-wrap{
 overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-sm);
 background:var(--surface);box-shadow:var(--shadow-sm);
}
.data-table{width:100%;border-collapse:collapse;min-width:520px}
.data-table th,.data-table td{padding:14px 18px;text-align:left;font-size:14.6px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.data-table thead th{background:var(--brand-050);color:var(--brand);font-weight:700;font-size:13.6px;letter-spacing:.02em}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover{background:#f8fafd}
.data-table td strong{color:var(--ink)}
.two-col-tables{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}
.table-note{margin-top:14px;font-size:13.4px;color:var(--muted);line-height:1.8}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:28px;margin-top:34px;max-width:760px}
.timeline::before{
 content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(var(--accent),rgba(200,134,42,.15));
}
.timeline-item{position:relative;padding-bottom:28px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
 content:"";position:absolute;left:-28px;top:5px;width:14px;height:14px;border-radius:50%;
 background:#0d1729;border:3px solid var(--accent);
}
.timeline-item h3{font-size:16.5px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px}
.timeline-item h3 em{
 font-style:normal;font-size:12px;font-weight:700;color:var(--accent);
 border:1px solid rgba(200,134,42,.5);border-radius:999px;padding:2px 9px;letter-spacing:.06em;
}
.timeline-item p{margin-top:8px;font-size:14.6px;line-height:1.9;color:#a9bcd9;max-width:46em}

/* ---------- Guard grid ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}
.guard-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease;
}
.guard-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.guard-card .num{
 display:inline-block;font-size:12.6px;font-weight:800;letter-spacing:.1em;color:var(--accent);
 margin-bottom:10px;
}
.guard-card h3{font-size:15.6px;font-weight:800;color:var(--ink);margin-bottom:8px}
.guard-card p{font-size:14.2px;line-height:1.85;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin-top:30px}
.faq-item{
 border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);
 margin-bottom:12px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9d6ea;box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 22px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:15.4px;font-weight:700;color:var(--ink);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--brand);
 transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 22px 20px;margin:0;font-size:14.8px;line-height:1.92;color:var(--ink-2)}

/* ---------- Consult ---------- */
.consult{
 background:linear-gradient(150deg,#12203a 0%,#0d1729 62%,#101d33 100%);
 color:#e7eefb;border-radius:var(--radius);
 border:1px solid #22314f;padding:44px 44px 40px;
 box-shadow:var(--shadow-md);
 display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:40px;align-items:center;
}
.consult h2{font-size:clamp(21px,2.4vw,27px);font-weight:800;color:#fff;line-height:1.42}
.consult p{margin-top:14px;font-size:14.8px;line-height:1.9;color:#a9bcd9;max-width:34em}
.consult-form{display:grid;gap:12px}
.consult-form label{font-size:13.2px;font-weight:700;color:#c9d8ee;letter-spacing:.02em}
.consult-form input{
 width:100%;height:46px;padding:0 15px;border-radius:10px;
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
 color:#f2f6fd;font-size:14.6px;
 transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.consult-form input::placeholder{color:#8ba0c0}
.consult-form input:focus{
 outline:none;border-color:var(--accent);background:rgba(255,255,255,.1);
 box-shadow:0 0 0 3px rgba(200,134,42,.22);
}
.form-note{font-size:13px;color:#9db2d4;min-height:20px;margin:0}

/* ---------- Footer ---------- */
.site-footer{background:#0b1324;color:#a9b9d3;padding:54px 0 0}
.footer-top{display:block;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px}
.footer-slogan{margin-top:12px;max-width:52em;font-size:14px;color:#93a6c4;line-height:1.88}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:34px 0 36px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;font-weight:700;letter-spacing:.02em}
.footer-col ul li{margin-bottom:9px}
.footer-col a{font-size:14px;color:#9fb2cf;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:13.4px;line-height:1.88;color:#8fa3c2}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#7f93b3;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .main-nav{
  position:absolute;top:var(--header-h);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;margin:0;
  background:#fff;border-bottom:1px solid var(--line);
  padding:12px 20px 18px;display:none;box-shadow:var(--shadow-md);
 }
 .main-nav.is-open{display:flex}
 .nav-link{height:44px;padding:0 14px;font-size:15px}
 .nav-toggle{display:inline-flex}
 .header-cta{margin-left:auto}
 .post-hero-inner{grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:44px}
 .post-hero-figure{max-width:520px}
 .post-body-grid{grid-template-columns:1fr;gap:26px}
 .side-stack{position:static;grid-template-columns:1fr 1fr;display:grid}
 .rule-grid{grid-template-columns:1fr 1fr}
 .guard-grid{grid-template-columns:1fr 1fr}
 .two-col-tables{grid-template-columns:1fr}
 .consult{grid-template-columns:1fr;padding:34px 28px 30px;gap:26px}
 .article-body{padding:30px 26px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .section{padding:52px 0}
 .metrics-grid{grid-template-columns:1fr 1fr}
 .metric:nth-child(2n){border-right:0}
 .metric{border-bottom:1px solid rgba(255,255,255,.11)}
 .metric:nth-last-child(-n+2){border-bottom:0}
 .side-stack{grid-template-columns:1fr}
 .article-body{padding:26px 20px}
 .article-body h2{font-size:20.5px}
 .sec-head-row{flex-direction:column;align-items:flex-start;gap:12px}
 .footer-top{flex-direction:column}
 .header-cta{display:none}
}
@media (max-width:520px){
 .brand-sub{display:none}
 .rule-grid,.guard-grid{grid-template-columns:1fr}
 .post-hero h1{font-size:25px}
 .hero-metrics .metric{padding:16px 14px}
 .metric-num{font-size:19px}
 .btn{width:100%}
 .header-cta{width:auto}
 .footer-grid{grid-template-columns:1fr}
 .consult{padding:28px 20px}
 .post-meta{gap:8px}
}

/* roulang page: category2 */
:root{
 --bg:#f5f7fb;
 --surface:#ffffff;
 --ink:#111a2e;
 --ink-2:#33415c;
 --muted:#626e85;
 --line:#e3e8f1;
 --brand:#1f3b73;
 --brand-600:#2a4f96;
 --brand-050:#eaf0fb;
 --accent:#c8862a;
 --accent-050:#fbf2e3;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(17,26,46,.05),0 6px 18px -10px rgba(17,26,46,.18);
 --shadow-md:0 14px 34px -16px rgba(17,26,46,.32);
 --container:1180px;
 --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
 font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- Header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;height:var(--header-h);
 background:rgba(255,255,255,.95);
 backdrop-filter:saturate(140%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 10px 26px -20px rgba(17,26,46,.55)}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);flex:none}
.brand-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(145deg,var(--brand),var(--brand-600));
 color:#fff;box-shadow:0 8px 16px -10px rgba(31,59,115,.95);
}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand-name{display:block;line-height:1.25}
.brand-sub{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.14em;line-height:1}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
 display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 13px;border-radius:9px;
 font-size:14.5px;font-weight:500;color:var(--ink-2);
 transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-050);color:var(--brand)}
.nav-link.is-active{background:var(--brand-050);color:var(--brand);font-weight:700}
.nav-ico{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.header-cta{margin-left:auto;height:38px;padding:0 16px;font-size:14px}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);background:#fff;color:var(--ink-2);
 align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}
/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:44px;padding:0 20px;border-radius:10px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;white-space:nowrap;
 transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(31,59,115,.95)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(31,59,115,1)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#1d1408;box-shadow:0 10px 22px -14px rgba(200,134,42,.95)}
.btn-accent:hover{background:#b1761f;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#eef3fb}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-block{width:100%}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#0d1729;color:#eef3fb}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.34}
.hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(9,16,30,.97) 0%,rgba(9,16,30,.82) 46%,rgba(9,16,30,.36) 100%);
}
.hero-inner{position:relative;z-index:2;padding:72px 0 62px}
.hero-grid{display:grid;grid-template-columns:1.32fr .82fr;gap:48px;align-items:center}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 12px;border-radius:999px;
 background:rgba(200,134,42,.16);border:1px solid rgba(200,134,42,.55);
 color:#f0c489;font-size:12.5px;font-weight:700;letter-spacing:.06em;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.hero h1{
 font-size:clamp(27px,3.7vw,42px);line-height:1.3;font-weight:800;
 letter-spacing:-.012em;margin-top:18px;color:#fff;max-width:19em;
}
.hero h1 em{font-style:normal;color:#f0c489}
.hero-lead{margin-top:18px;max-width:44em;font-size:15.5px;line-height:1.9;color:#c4d3ea}
.hero-note{
 margin-top:16px;font-size:13.5px;color:#9cb0cd;
 display:flex;align-items:center;gap:9px;flex-wrap:wrap;
}
.hero-note span{display:inline-flex;align-items:center;gap:6px}
.hero-note b{color:#f0c489;font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{
 display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
 font-size:13px;font-weight:500;color:#cfdcf0;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
}
.hero-panel{
 background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.16);
 border-radius:16px;padding:22px;backdrop-filter:blur(6px);
 box-shadow:0 24px 48px -28px rgba(0,0,0,.75);
}
.hero-panel h2{font-size:14px;font-weight:700;letter-spacing:.1em;color:#9cb8e8;text-transform:uppercase}
.hero-panel ul{margin-top:16px;display:grid;gap:12px}
.hero-panel li{display:flex;gap:11px;align-items:flex-start;font-size:13.8px;line-height:1.65;color:#d3e0f2}
.hero-panel li b{color:#fff;font-weight:700}
.dot{
 flex:none;width:22px;height:22px;border-radius:7px;margin-top:2px;
 display:grid;place-items:center;font-size:11.5px;font-weight:800;
 background:rgba(200,134,42,.2);color:#f0c489;border:1px solid rgba(200,134,42,.42);
}
/* ---------- Metrics ---------- */
.hero-metrics{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.13);background:rgba(8,14,26,.55)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:22px 20px;border-right:1px solid rgba(255,255,255,.1)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1.2}
.metric span{display:block;margin-top:5px;font-size:13px;color:#9fb3d1}
/* ---------- Sections ---------- */
.section{padding:74px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:#0d1729;color:#e7eefb}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:#9fb3d1}
.sec-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.8px;font-weight:700;letter-spacing:.08em;color:var(--accent)}
.sec-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.sec-title{font-size:clamp(21px,2.5vw,29px);font-weight:800;line-height:1.4;margin-top:12px;letter-spacing:-.01em;color:var(--ink)}
.sec-desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);max-width:62em}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.sec-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:color .18s ease,gap .18s ease}
.sec-more:hover{color:var(--brand-600);gap:10px}
/* ---------- Grids & Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mt-34{margin-top:34px}
.mt-26{margin-top:26px}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;padding:24px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d6ea}
.card-ico{
 width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
 background:var(--brand-050);color:var(--brand);margin-bottom:16px;
}
.card-ico svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.45}
.card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
 display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
 font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-050);border:1px solid #d6e2f5;
}
.tag.warm{color:#8a5a12;background:var(--accent-050);border-color:#f0dcbc}
/* ---------- Compare table ---------- */
.table-wrap{margin-top:30px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:720px}
table.compare th,table.compare td{padding:15px 18px;text-align:left;font-size:14.3px;border-bottom:1px solid var(--line);vertical-align:top}
table.compare thead th{background:#f0f4fa;color:var(--ink);font-weight:700;font-size:13.5px;letter-spacing:.02em;white-space:nowrap}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr{transition:background .16s ease}
table.compare tbody tr:hover{background:#f8fafd}
table.compare td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.lv{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ink-2)}
.lv i{width:8px;height:8px;border-radius:50%;display:inline-block;background:#3f9d6a}
.lv.mid i{background:var(--accent)}
.lv.high i{background:#c4544a}
/* ---------- Timeline ---------- */
.timeline{margin-top:34px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid #d8e2f1}
.tl-item{position:relative;padding:26px 22px 0 0}
.tl-item::before{
 content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;
 background:var(--surface);border:2px solid var(--brand);
}
.tl-item .tl-no{font-size:12.5px;font-weight:800;letter-spacing:.1em;color:var(--accent)}
.tl-item h3{margin-top:8px;font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5}
.tl-item p{margin-top:8px;font-size:14px;line-height:1.78;color:var(--muted)}
/* ---------- News list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:32px}
.news-card{
 display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d6ea}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#e8edf6}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:16.5px;font-weight:700;line-height:1.55;color:var(--ink)}
.news-body p{margin-top:9px;font-size:14px;line-height:1.78;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:14px;display:flex;gap:12px;align-items:center;font-size:12.5px;color:#8894a9}
.news-meta span:first-child{color:var(--brand);font-weight:600}
.empty-tip{margin-top:26px;padding:34px 24px;text-align:center;border:1px dashed #cfdaea;border-radius:var(--radius);background:#f8fafd;font-size:14.5px;color:var(--muted)}
/* ---------- Assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:32px}
.assure-item{
 display:flex;gap:14px;padding:20px 22px;border-radius:var(--radius);
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.assure-item:hover{background:rgba(255,255,255,.085);border-color:rgba(255,255,255,.26);transform:translateY(-3px)}
.assure-item h3{font-size:15.5px;font-weight:700;color:#fff}
.assure-item p{margin-top:7px;font-size:14px;line-height:1.78;color:#a8bcd8}
.assure-ico{
 flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
 background:rgba(200,134,42,.18);color:#f0c489;border:1px solid rgba(200,134,42,.4);
}
.assure-ico svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
/* ---------- FAQ ---------- */
.faq-list{margin-top:30px;display:grid;gap:12px;max-width:960px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c3d3ea;box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 52px 17px 20px;position:relative;
 font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 font-size:20px;font-weight:500;color:var(--brand);line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-ans{padding:0 20px 19px;font-size:14.5px;line-height:1.85;color:var(--muted)}
/* ---------- Consult ---------- */
.consult-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:start}
.consult-points{margin-top:24px;display:grid;gap:13px}
.consult-points li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;line-height:1.7;color:#c4d3ea}
.consult-points .dot{background:rgba(200,134,42,.2);color:#f0c489;border:1px solid rgba(200,134,42,.42)}
.form-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-md);padding:28px;
}
.form-card h3{font-size:18px;font-weight:800;color:var(--ink)}
.form-card .form-tip{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7}
.field{margin-top:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{
 width:100%;padding:11px 13px;font-size:14.5px;font-family:inherit;color:var(--ink);
 background:#fbfcfe;border:1px solid var(--line);border-radius:var(--radius-sm);
 transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{resize:vertical;min-height:96px;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;background:#fff;border-color:var(--brand-600);
 box-shadow:0 0 0 3px rgba(42,79,150,.14);
}
.form-card .btn{margin-top:20px}
.form-msg{margin-top:14px;font-size:13.5px;font-weight:600;color:#2a7a55;display:none}
.form-msg.is-show{display:block}
/* ---------- Footer ---------- */
.site-footer{background:#0c1524;color:#a9bbd4;padding:58px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-top{display:flex;gap:32px;justify-content:space-between;align-items:flex-start;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff}
.footer-slogan{margin-top:12px;font-size:14px;line-height:1.8;color:#8fa3bf;max-width:46em}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding:34px 0}
.footer-col h4{font-size:14px;font-weight:700;color:#e8effa;letter-spacing:.04em;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col li a{font-size:14px;color:#9db1cc;transition:color .18s ease,padding-left .18s ease}
.footer-col li a:hover{color:#fff;padding-left:3px}
.footer-col p{font-size:13.5px;line-height:1.8;color:#8fa3bf}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#7e93b0;
}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .hero-panel{max-width:620px}
 .grid-3,.news-grid{grid-template-columns:repeat(2,1fr)}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .timeline{grid-template-columns:repeat(2,1fr);gap:26px 0}
 .consult-wrap{grid-template-columns:1fr;gap:30px}
 .assure-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .main-nav{
  position:absolute;top:var(--header-h);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:#fff;border-bottom:1px solid var(--line);
  padding:10px 18px 16px;box-shadow:0 18px 30px -22px rgba(17,26,46,.55);
  display:none;
 }
 .main-nav.is-open{display:flex}
 .nav-link{height:44px;font-size:15px}
 .nav-toggle{display:inline-flex}
 .header-cta{display:none}
 .hero-inner{padding:52px 0 44px}
 .section{padding:54px 0}
 .grid-3,.grid-2,.grid-4,.news-grid{grid-template-columns:1fr}
 .metrics-grid{grid-template-columns:repeat(2,1fr)}
 .metric:nth-child(2){border-right:0}
 .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1)}
 .timeline{grid-template-columns:1fr;border-top:0}
 .tl-item{padding:0 0 0 22px}
 .tl-item::before{top:6px;left:0}
 .tl-item + .tl-item{margin-top:20px;border-top:1px dashed #dbe4f1;padding-top:20px}
 .timeline{border-top:0}
 .footer-top{flex-direction:column;gap:0}
 .form-card{padding:22px}
}
@media (max-width:520px){
 .hero h1{font-size:26px}
 .hero-actions .btn{width:100%}
 .metrics-grid{grid-template-columns:1fr}
 .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.1);padding:16px 0}
 .card,.news-body{padding:18px}
 .footer-grid{grid-template-columns:1fr;gap:24px}
 .footer-bottom{flex-direction:column}
 table.compare th,table.compare td{padding:12px 13px;font-size:13.5px}
}

/* roulang page: category3 */
:root{
  --bg:#f5f7fb;
  --surface:#ffffff;
  --ink:#111a2e;
  --ink-2:#33415c;
  --muted:#626e85;
  --line:#e3e8f1;
  --brand:#1f3b73;
  --brand-600:#2a4f96;
  --brand-050:#eaf0fb;
  --accent:#c8862a;
  --accent-050:#fbf2e3;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(17,26,46,.05),0 6px 18px -10px rgba(17,26,46,.18);
  --shadow-md:0 14px 34px -16px rgba(17,26,46,.32);
  --container:1180px;
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
button{font:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;height:var(--header-h);
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 10px 26px -20px rgba(17,26,46,.55)}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;color:var(--ink);flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-600));
  color:#fff;box-shadow:0 8px 16px -10px rgba(31,59,115,.95);flex:none;
}
.brand-mark svg{width:18px;height:18px}
.brand-name{display:block;line-height:1.2}
.brand-sub{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.14em;line-height:1}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 13px;border-radius:9px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-050);color:var(--brand)}
.nav-link.is-active{background:var(--brand-050);color:var(--brand);font-weight:700}
.nav-ico{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.header-cta{margin-left:auto;height:38px;padding:0 16px;font-size:14px}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(31,59,115,.95)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(31,59,115,1)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#1d1408;box-shadow:0 10px 22px -14px rgba(200,134,42,.95)}
.btn-accent:hover{background:#b1761f;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.38);color:#eef3fb}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#0d1729;color:#eef3fb}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.36}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(9,16,30,.96) 0%,rgba(9,16,30,.8) 48%,rgba(9,16,30,.36) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:66px;padding-bottom:64px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:44px;align-items:start}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;color:#9cb8e8;
}
.hero-eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--accent)}
.hero h1{
  font-size:clamp(29px,3.9vw,42px);line-height:1.32;font-weight:800;
  letter-spacing:-.012em;margin:18px 0 0;max-width:16em;color:#fff;
}
.hero-lead{margin-top:20px;max-width:54em;font-size:15.8px;line-height:1.9;color:#c4d3ea}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  font-size:13px;font-weight:500;color:#cfdcf0;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
}
.roadmap-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);padding:22px;backdrop-filter:blur(6px);
  box-shadow:0 24px 50px -34px rgba(0,0,0,.9);
}
.roadmap-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.14)}
.roadmap-kicker{font-size:13px;font-weight:700;color:#e8f0fb;letter-spacing:.04em}
.roadmap-batch{font-size:12px;font-weight:700;color:#f0c07a;background:rgba(200,134,42,.18);border:1px solid rgba(200,134,42,.4);padding:3px 9px;border-radius:999px}
.roadmap-list{padding:14px 0 4px}
.roadmap-list li{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:9px 0}
.rm-dot{width:10px;height:10px;border-radius:50%;background:#64789b;box-shadow:0 0 0 3px rgba(255,255,255,.08)}
.roadmap-list .is-done .rm-dot{background:#5cc48c;box-shadow:0 0 0 3px rgba(92,196,140,.2)}
.roadmap-list .is-now .rm-dot{background:var(--accent);box-shadow:0 0 0 3px rgba(200,134,42,.24)}
.roadmap-list strong{display:block;font-size:14.5px;font-weight:700;color:#f1f6fd;line-height:1.4}
.roadmap-list p{font-size:12.5px;color:#93a8c6;line-height:1.6;margin-top:2px}
.roadmap-list em{font-style:normal;font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:999px;background:rgba(255,255,255,.12);color:#cfe0f7;white-space:nowrap}
.roadmap-list .is-done em{background:rgba(92,196,140,.18);color:#8fe0b4}
.roadmap-list .is-now em{background:rgba(200,134,42,.22);color:#f0c07a}
.subscribe-form{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14)}
.subscribe-form label{display:block;font-size:13px;font-weight:600;color:#d7e3f5}
.subscribe-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.subscribe-row input{
  flex:1 1 160px;min-width:0;height:42px;padding:0 12px;border-radius:9px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;transition:border-color .18s,background .18s;
}
.subscribe-row input::placeholder{color:#9db1cc}
.subscribe-row input:focus{outline:none;border-color:#8fb2e8;background:rgba(255,255,255,.14)}
.subscribe-row .btn{height:42px;padding:0 16px;flex:0 0 auto}
.form-hint{margin-top:9px;font-size:12px;color:#8ba0c0;line-height:1.6}
.form-ok{margin-top:9px;font-size:12.5px;font-weight:600;color:#8fe0b4;display:none}
.form-ok.is-show{display:block}

/* ---------- Sections ---------- */
.section{padding:74px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:#0d1729;color:#e7eefb}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:#9fb3d1}
.sec-head{margin-bottom:36px;max-width:60em}
.sec-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.8px;font-weight:700;letter-spacing:.08em;color:var(--accent)}
.sec-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.sec-title{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.4;margin:12px 0 0;letter-spacing:-.01em;color:var(--ink)}
.sec-desc{margin-top:14px;font-size:15.2px;line-height:1.85;color:var(--muted)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}

/* ---------- Stats ---------- */
.stats-section{padding:52px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 20px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d7ee}
.stat-num{font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1.1}
.stat-num span{font-size:14px;font-weight:700;color:var(--muted);margin-left:4px;letter-spacing:0}
.stat-label{margin-top:9px;font-size:14.5px;font-weight:600;color:var(--ink-2)}
.stat-note{margin-top:5px;font-size:12.8px;color:var(--muted);line-height:1.65}

/* ---------- Matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.matrix-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:11px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d7ee}
.matrix-ico{width:40px;height:40px;border-radius:11px;background:var(--brand-050);color:var(--brand);display:grid;place-items:center}
.matrix-ico svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.matrix-card h3{margin:0;font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.45}
.matrix-card p{font-size:14.2px;line-height:1.78;color:var(--muted)}
.chip{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:3px 10px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--accent-050);color:#8a5c14;border:1px solid #f0dcbd;
}

/* ---------- Compare ---------- */
.compare-wrap{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:44px;align-items:start}
.compare-list{display:grid;gap:22px}
.compare-row{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm)}
.compare-title{font-size:14.8px;font-weight:800;color:var(--ink);margin-bottom:14px}
.bar-group{display:grid;grid-template-columns:78px 1fr auto;gap:12px;align-items:center;margin-bottom:10px}
.bar-group:last-child{margin-bottom:0}
.bar-name{font-size:13px;font-weight:600;color:var(--ink-2)}
.bar{height:9px;border-radius:999px;background:#eef2f8;overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-600))}
.bar.is-warn span{background:linear-gradient(90deg,#c8862a,#a86c1c)}
.bar-group b{font-size:13.2px;font-weight:700;color:var(--ink);white-space:nowrap}
.compare-figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);background:var(--surface)}
.compare-figure img{width:100%;height:260px;object-fit:cover}
.compare-figure figcaption{padding:14px 18px;font-size:13px;color:var(--muted);line-height:1.7;border-top:1px solid var(--line);background:#fbfcfe}
.compare-note{margin-top:18px;font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--brand-050),var(--line))}
.tl-item{position:relative;display:grid;grid-template-columns:40px 1fr;gap:18px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  width:40px;height:40px;border-radius:50%;background:#fff;border:2px solid var(--brand);
  color:var(--brand);font-weight:800;display:grid;place-items:center;font-size:15px;
  position:relative;z-index:1;
}
.tl-body h3{margin:0 0 6px;font-size:16px;font-weight:800;color:var(--ink);line-height:1.5}
.tl-body p{font-size:14.2px;line-height:1.8;color:var(--muted)}
.tl-body .chip{margin-top:10px}

/* ---------- News list ---------- */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.news-item{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d7ee}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:9px}
.news-cat{font-size:12.5px;font-weight:700;color:var(--brand);background:var(--brand-050);padding:3px 10px;border-radius:999px}
.news-date{font-size:12.5px;color:var(--muted)}
.news-item h3{margin:0 0 8px;font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.5}
.news-item p{font-size:14px;line-height:1.78;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more-link{display:inline-flex;align-items:center;gap:6px;margin-top:9px;font-size:13.5px;font-weight:700;color:var(--brand-600)}
.news-empty{grid-column:1/-1;padding:34px;text-align:center;color:var(--muted);font-size:14.5px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius)}

/* ---------- Guard ---------- */
.guard-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:44px;align-items:center}
.guard-figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.guard-figure img{width:100%;height:100%;min-height:320px;object-fit:cover}
.guard-list{display:grid;gap:14px;margin-top:26px}
.guard-item{display:grid;grid-template-columns:auto 1fr;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow-sm);transition:border-color .2s,box-shadow .2s,transform .2s}
.guard-item:hover{border-color:#c9d7ee;box-shadow:var(--shadow-md);transform:translateY(-2px)}
.guard-ico{width:34px;height:34px;border-radius:9px;background:var(--accent-050);color:#96631a;display:grid;place-items:center}
.guard-ico svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.guard-item h3{margin:0 0 4px;font-size:15.2px;font-weight:800;color:var(--ink)}
.guard-item p{font-size:13.8px;line-height:1.75;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:44px;align-items:start}
.quick-list{display:grid;gap:14px;margin-top:24px}
.quick-card{background:var(--brand-050);border:1px solid #d3e0f5;border-radius:var(--radius-sm);padding:16px 18px}
.quick-card strong{display:block;font-size:14.6px;font-weight:800;color:var(--brand);margin-bottom:5px}
.quick-card p{font-size:13.8px;line-height:1.75;color:var(--ink-2)}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:12px;box-shadow:var(--shadow-sm)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:16px 20px;font-weight:700;font-size:15px;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  transition:background .18s ease,color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:600;color:var(--brand);line-height:1}
.faq-item summary:hover{background:#f7f9fd}
.faq-item[open] summary{background:var(--brand-050);color:var(--brand)}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:14px 20px 18px;font-size:14.2px;line-height:1.8;color:var(--ink-2);border-top:1px solid var(--line)}

/* ---------- Consult ---------- */
.consult-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:44px;align-items:start}
.consult-points{display:grid;gap:12px;margin-top:24px}
.consult-points li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;font-size:14.2px;line-height:1.75;color:var(--ink-2)}
.consult-points li::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px;flex:none;
}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-md)}
.form-card h3{margin:0 0 6px;font-size:18px;font-weight:800;color:var(--ink)}
.form-card > p{font-size:13.6px;color:var(--muted);line-height:1.7;margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border-radius:9px;border:1px solid var(--line);
  background:#fbfcfe;font-size:14.5px;color:var(--ink);font-family:inherit;
  transition:border-color .18s,box-shadow .18s,background .18s;
}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(42,79,150,.14);background:#fff;
}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:6px}
.form-foot .form-hint{color:var(--muted);margin:0}

/* ---------- Footer ---------- */
.site-footer{background:#0d1729;color:#c2cfe4;padding:56px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-top{display:flex;align-items:flex-start;gap:20px;flex-wrap:wrap;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;flex:none}
.footer-slogan{margin:0;max-width:52em;font-size:14px;color:#93a6c1;line-height:1.8}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:32px 0}
.footer-col h4{margin:0 0 14px;font-size:14px;font-weight:800;color:#fff;letter-spacing:.02em}
.footer-col ul li{margin-bottom:9px}
.footer-col a{color:#a9bad3;font-size:14px;line-height:1.7;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col p{margin:0;font-size:13.4px;color:#8ea1bd;line-height:1.85}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:12.8px;color:#7f92ae;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:var(--header-h);left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 16px 16px;box-shadow:var(--shadow-md);display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{height:44px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{max-width:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .compare-wrap,.guard-grid,.faq-grid,.consult-grid{grid-template-columns:1fr;gap:32px}
  .news-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .guard-figure img{min-height:240px;height:240px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero-inner{padding-top:48px;padding-bottom:48px}
  .container{padding:0 18px}
  .hero-lead{font-size:15px}
  .compare-figure img{height:220px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .brand-sub{display:none}
  .hero-actions .btn{width:100%}
  .subscribe-row .btn{width:100%}
  .bar-group{grid-template-columns:66px 1fr;gap:10px}
  .bar-group b{grid-column:2;justify-self:end}
  .news-item{padding:18px}
  .form-card{padding:20px}
}