/* roulang page: index */
:root{
  --brand-900:#04212f;
  --brand-800:#062d40;
  --brand-700:#0a4a66;
  --brand-600:#0e7490;
  --brand-500:#159bb8;
  --brand-300:#8ad7e6;
  --accent:#f3a92b;
  --accent-deep:#cf8504;
  --bg:#f2f6f9;
  --surface:#ffffff;
  --surface-soft:#e8f1f6;
  --ink:#0a1e2b;
  --ink-2:#33505f;
  --ink-3:#6d8492;
  --line:#dbe6ec;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --shadow-s:0 2px 10px rgba(6,45,64,.06);
  --shadow:0 14px 32px rgba(6,45,64,.11);
  --shadow-l:0 28px 64px rgba(6,45,64,.18);
  --container:1180px;
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:-.01em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* header / dock nav */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:16px 0 8px;
  background:linear-gradient(180deg,rgba(242,246,249,.98) 55%,rgba(242,246,249,0));
}
.dock{
  position:relative;
  display:flex;align-items:center;gap:22px;
  padding:9px 12px 9px 20px;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(219,230,236,.95);
  border-radius:999px;
  box-shadow:0 6px 22px rgba(6,45,64,.07);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:box-shadow var(--ease),border-color var(--ease);
}
.dock.is-stuck{box-shadow:0 14px 34px rgba(6,45,64,.16);border-color:#c6dfea}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  box-shadow:0 6px 16px rgba(14,116,144,.32);
}
.logo-mark svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:16px;letter-spacing:.2px}
.logo-text small{font-size:11px;color:var(--ink-3);letter-spacing:.6px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background var(--ease),color var(--ease);
}
.nav-link:hover{background:var(--surface-soft);color:var(--brand-700)}
.nav-link.is-active{background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;box-shadow:0 6px 16px rgba(14,116,144,.26)}
.nav-consult{display:none}
.dock-cta{flex-shrink:0}
.menu-btn{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform var(--ease),opacity var(--ease)}
.dock.open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.dock.open .menu-btn span:nth-child(2){opacity:0}
.dock.open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#fff;box-shadow:0 10px 22px rgba(14,116,144,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,116,144,.36);background:linear-gradient(135deg,var(--brand-700),var(--brand-600))}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-700)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#3a2400;box-shadow:0 10px 22px rgba(207,133,4,.28)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(207,133,4,.34)}

/* hero */
.hero{position:relative;margin-top:18px;overflow:hidden;background:var(--brand-900);border-radius:0 0 34px 34px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/a8afc8aeeeeb247b.webp') center/cover no-repeat;opacity:.46}
.hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 12% 8%,rgba(21,155,184,.36),transparent 62%),
    linear-gradient(150deg,rgba(4,33,47,.94) 8%,rgba(6,45,64,.86) 46%,rgba(10,74,102,.78) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;padding:72px 0 66px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(138,215,230,.42);
  color:#d8f2f8;font-size:12.5px;letter-spacing:1.1px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.hero h1{color:#fff;font-size:clamp(28px,3.5vw,42px);margin:20px 0 18px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:#ffd680}
.hero-lead{color:#cfe3ec;font-size:16px;line-height:1.85;max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag-pill{
  padding:7px 15px;border-radius:999px;font-size:13px;
  color:#d9eff6;background:rgba(255,255,255,.09);
  border:1px solid rgba(138,215,230,.3);
}
.lead-card{
  background:rgba(255,255,255,.97);
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--radius-l);
  padding:26px 26px 22px;
  box-shadow:var(--shadow-l);
}
.lead-kicker{font-size:12px;letter-spacing:1.6px;color:var(--brand-600);font-weight:700;margin-bottom:6px}
.lead-title{font-size:21px;margin-bottom:8px}
.lead-sub{font-size:13.5px;color:var(--ink-3);line-height:1.7;margin-bottom:16px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{
  padding:6px 13px;border-radius:999px;font-size:13px;
  background:var(--surface-soft);color:var(--brand-700);
  border:1px solid #d3e5ee;
}
.lead-form{display:flex;flex-direction:column;gap:10px}
.lead-form input{
  width:100%;padding:12px 14px;border-radius:10px;
  border:1px solid var(--line);background:#fbfdfe;
  font-size:14px;transition:border-color var(--ease),box-shadow var(--ease);
}
.lead-form input:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(21,155,184,.14);outline:none}
.lead-note{font-size:12px;color:var(--ink-3);margin:12px 0 0;line-height:1.6}

/* sections */
.section{padding:76px 0}
.section--soft{background:linear-gradient(180deg,#eef4f8 0%,#f6fafc 100%)}
.section--plain{background:var(--bg)}
.section--dark{position:relative;overflow:hidden;background:var(--brand-800);color:#e6f1f6}
.section-head{max-width:760px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-500),var(--accent))}
.section--dark .eyebrow{color:var(--brand-300)}
.section-title{font-size:clamp(22px,2.6vw,31px);letter-spacing:-.4px}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.8}
.section--dark .section-desc{color:#bcd6e2}

/* grid helpers */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* cards */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bedbe7}
.case-card{overflow:hidden;display:flex;flex-direction:column}
.case-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-badge{
  position:absolute;left:14px;bottom:14px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  color:#062d40;background:rgba(255,255,255,.92);
  border:1px solid rgba(255,255,255,.6);
}
.case-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.case-body h3{font-size:17.5px}
.case-body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:0}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;
  color:var(--brand-700);background:#e9f5f9;border:1px solid #d2e8f0;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  padding:26px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(138,215,230,.26);
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.stat:hover{transform:translateY(-4px);background:rgba(255,255,255,.11);border-color:rgba(138,215,230,.46)}
.stat-num{
  display:block;font-size:34px;font-weight:800;letter-spacing:-1px;
  background:linear-gradient(120deg,#ffffff,#8ad7e6);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{display:block;margin-top:6px;font-size:13.5px;color:#b9d5e1;letter-spacing:.4px}
.stat-grid + .stat-note{margin-top:22px;font-size:14px;color:#a9c8d6}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
  padding:28px 26px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
}
.compare-col.is-good{border-color:#b7dceb;box-shadow:0 16px 34px rgba(14,116,144,.12)}
.compare-col h3{font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare-col h3 .dot{width:10px;height:10px;border-radius:50%;background:#c7d5dd}
.compare-col.is-good h3 .dot{background:linear-gradient(135deg,var(--brand-600),var(--brand-500))}
.compare-list li{
  position:relative;padding-left:24px;margin-bottom:12px;
  font-size:14.5px;color:var(--ink-2);line-height:1.75;
}
.compare-list li:last-child{margin-bottom:0}
.compare-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:9px;height:9px;border-radius:3px;background:#cfdde4;
}
.compare-col.is-good .compare-list li::before{background:linear-gradient(135deg,var(--brand-500),var(--accent))}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;padding:28px 22px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-index{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  box-shadow:0 8px 18px rgba(14,116,144,.28);
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.75}

/* news */
.news-grid{display:grid;grid-template-columns:1.55fr .85fr;gap:26px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:flex;align-items:center;gap:18px;
  padding:20px 22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bedbe7}
.news-item-body{flex:1;min-width:0}
.news-item h3{font-size:16.5px;margin:8px 0 6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-item p{font-size:14px;color:var(--ink-2);margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-time{font-size:12.5px;color:var(--ink-3);letter-spacing:.4px}
.news-arrow{flex:0 0 auto;color:var(--brand-500);font-size:18px;font-weight:700}
.news-side{
  padding:24px;border-radius:var(--radius-l);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
}
.news-side h3{font-size:16.5px;margin-bottom:6px}
.news-side .side-sub{font-size:13px;color:var(--ink-3);margin-bottom:16px}
.side-list li + li{border-top:1px dashed var(--line);margin-top:12px;padding-top:12px}
.side-list a{display:block;font-size:14.5px;color:var(--ink-2);transition:color var(--ease)}
.side-list a:hover{color:var(--brand-600)}
.side-list .side-cat{display:block;font-size:12px;color:var(--brand-500);margin-bottom:4px}
.empty-note{
  padding:26px;border-radius:var(--radius);
  border:1px dashed var(--line);background:#fff;
  color:var(--ink-3);font-size:14.5px;text-align:center;
}

/* topic entry */
.topic-card{
  display:flex;flex-direction:column;gap:10px;
  padding:30px 26px;border-radius:var(--radius-l);
  background:linear-gradient(150deg,#ffffff 0%,#f2f9fc 100%);
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#a8d5e4}
.topic-index{
  font-size:13px;font-weight:800;letter-spacing:2px;color:var(--brand-500);
}
.topic-card h3{font-size:19px}
.topic-card p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.75}
.topic-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-600)}
.topic-card:hover .topic-more{color:var(--accent-deep)}

/* feature cards */
.feature-card{overflow:hidden;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-s);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bedbe7}
.feature-media{aspect-ratio:16/9;overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.feature-card:hover .feature-media img{transform:scale(1.04)}
.feature-body{padding:20px;display:flex;flex-direction:column;gap:9px}
.feature-body h3{font-size:17px}
.feature-body p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.75}

/* scenario */
.scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scenario{
  display:flex;gap:16px;padding:24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scenario:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bedbe7}
.scenario-icon{
  flex:0 0 46px;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;background:linear-gradient(140deg,#e6f4f9,#d6ecf4);
  border:1px solid #cde6ef;
}
.scenario-icon svg{width:22px;height:22px;stroke:var(--brand-600);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.scenario h3{font-size:16.5px;margin-bottom:6px}
.scenario p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.75}

/* testimonials */
.quote{
  padding:26px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
  display:flex;flex-direction:column;gap:14px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.quote-mark{font-size:30px;line-height:1;color:var(--brand-300);font-weight:800}
.quote p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.8}
.quote-meta{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.quote-meta .avatar{
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
}

/* objections */
.objection-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.objection{
  padding:26px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
}
.objection h3{font-size:16.5px;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
.objection h3 span{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
}
.objection p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.8}

/* promise strip */
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.promise{
  display:flex;align-items:flex-start;gap:12px;padding:22px;
  border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-s);
}
.promise svg{width:22px;height:22px;flex:0 0 22px;margin-top:2px;stroke:var(--brand-600);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.promise strong{display:block;font-size:15px;margin-bottom:4px}
.promise span{font-size:13.5px;color:var(--ink-3);line-height:1.7}

/* consult */
.consult-wrap{
  display:grid;grid-template-columns:.92fr 1.08fr;gap:0;
  border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:var(--surface);
}
.consult-aside{
  padding:44px 38px;color:#e8f3f8;
  background:
    radial-gradient(520px 260px at 10% 0%,rgba(21,155,184,.42),transparent 65%),
    linear-gradient(155deg,var(--brand-800),var(--brand-700));
}
.consult-aside h2{font-size:26px;color:#fff;margin-bottom:14px}
.consult-aside p{font-size:14.5px;color:#bfd8e4;line-height:1.8}
.consult-points{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.consult-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#d5e8f0}
.consult-points li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;margin-top:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand-300),var(--accent));
}
.consult-form{padding:44px 38px}
.consult-form h2{font-size:22px;margin-bottom:8px}
.consult-form .form-sub{font-size:14px;color:var(--ink-3);margin-bottom:22px}
.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:12px 14px;border-radius:10px;
  border:1px solid var(--line);background:#fbfdfe;font-size:14.5px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:108px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(21,155,184,.14);outline:none;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-tip{margin-top:12px;font-size:13.5px;color:var(--brand-600);font-weight:600;opacity:0;transition:opacity var(--ease)}
.form-tip.is-on{opacity:1}
.privacy-note{font-size:12.5px;color:var(--ink-3);margin:14px 0 0;line-height:1.7}

/* footer */
.site-footer{background:var(--brand-900);color:#c3d8e2;padding:58px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(138,215,230,.18)}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text small{color:#8fb2c1}
.footer-brand p{font-size:14px;color:#9fbccb;line-height:1.8;margin-top:16px;max-width:360px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:1.2px;margin-bottom:16px}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:#a8c4d2;transition:color var(--ease)}
.footer-col a:hover{color:var(--brand-300)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:22px;font-size:12.5px;color:#7fa0b1;
}
.footer-bottom a{color:#9dbdcc}
.footer-bottom a:hover{color:var(--brand-300)}

/* responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 52px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .promise-grid{grid-template-columns:repeat(2,1fr)}
  .consult-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:900px){
  .menu-btn{display:inline-flex}
  .nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;background:#fff;border:1px solid var(--line);
    border-radius:20px;box-shadow:var(--shadow);
  }
  .dock.open .nav{display:flex}
  .nav-link{padding:12px 16px;border-radius:12px}
  .nav-consult{display:inline-flex;margin-top:4px;background:linear-gradient(135deg,var(--brand-600),var(--brand-500));color:#fff;justify-content:center}
  .nav-consult:hover{color:#fff;background:linear-gradient(135deg,var(--brand-700),var(--brand-600))}
  .dock-cta{display:none}
  .dock{padding:9px 12px 9px 14px;gap:12px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .grid-3,.grid-4,.grid-2,.compare,.scenario-grid,.objection-list,.steps,.stat-grid{grid-template-columns:1fr}
  .promise-grid{grid-template-columns:1fr}
  .hero-inner{padding:44px 0 44px}
  .lead-card{padding:22px}
  .consult-aside,.consult-form{padding:30px 22px}
  .field-row{grid-template-columns:1fr}
  .news-item{padding:18px}
  .news-item h3{white-space:normal}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo-text small{display:none}
  .logo-text strong{font-size:14.5px}
  .hero h1{font-size:26px}
  .hero-lead{font-size:15px}
  .section-title{font-size:22px}
  .stat-num{font-size:28px}
  .btn{width:100%}
  .dock-cta{width:auto}
  .hero-tags{gap:8px}
  .tag-pill{font-size:12px;padding:6px 12px}
}

/* roulang page: article */
:root{
  --brand-900:#04212f;
  --brand-800:#062d40;
  --brand-700:#0a4a66;
  --brand-600:#0e7490;
  --brand-500:#159bb8;
  --brand-300:#8ad7e6;
  --accent:#f3a92b;
  --accent-deep:#cf8504;
  --bg:#f2f6f9;
  --surface:#ffffff;
  --surface-soft:#e8f1f6;
  --ink:#0a1e2b;
  --ink-2:#33505f;
  --ink-3:#6d8492;
  --line:#dbe6ec;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --shadow-s:0 2px 10px rgba(6,45,64,.06);
  --shadow:0 14px 32px rgba(6,45,64,.11);
  --shadow-l:0 28px 64px rgba(6,45,64,.18);
  --container:1180px;
  --ease:.22s ease;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin-top:0}
ul{padding-left:1.15em}
::selection{background:rgba(21,155,184,.24)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid rgba(243,169,43,.62);
  outline-offset:3px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* 顶部悬浮 Dock 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:16px 0 8px;
  background:linear-gradient(180deg,rgba(242,246,249,.98) 55%,rgba(242,246,249,0));
}
.dock{
  position:relative;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.9);
  border:1px solid rgba(219,230,236,.92);
  box-shadow:0 10px 30px rgba(6,45,64,.08);
  backdrop-filter:blur(16px);
}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  box-shadow:0 6px 16px rgba(14,116,144,.32);
}
.logo-mark svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:16px;letter-spacing:.2px}
.logo-text small{font-size:11px;color:var(--ink-3);letter-spacing:.6px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.nav-link:hover{background:var(--surface-soft);color:var(--brand-700);transform:translateY(-1px)}
.nav-link.is-active{background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;box-shadow:0 6px 16px rgba(14,116,144,.26)}
.nav-consult{display:none}
.dock-cta{flex-shrink:0}
.menu-btn{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:background var(--ease),border-color var(--ease);
}
.menu-btn:hover{background:var(--surface-soft);border-color:var(--brand-300)}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform var(--ease),opacity var(--ease)}
.dock.open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.dock.open .menu-btn span:nth-child(2){opacity:0}
.dock.open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 按钮系统 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#fff;box-shadow:0 10px 22px rgba(14,116,144,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,116,144,.36);background:linear-gradient(135deg,var(--brand-700),var(--brand-600))}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-700)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#3a2400;box-shadow:0 10px 22px rgba(207,133,4,.28)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(207,133,4,.34)}

/* 文章首屏 */
.article-hero{
  position:relative;margin-top:18px;overflow:hidden;
  background:var(--brand-900);color:#fff;
  border-radius:0 0 34px 34px;
}
.article-hero .hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/989367308b8c8191.webp') center/cover no-repeat;
  opacity:.3;
}
.article-hero .hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(850px 420px at 8% 4%,rgba(21,155,184,.38),transparent 62%),
    linear-gradient(150deg,rgba(4,33,47,.96) 8%,rgba(6,45,64,.9) 48%,rgba(10,74,102,.82) 100%);
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:48px;align-items:center;
  padding:62px 0 58px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:7px;
  margin-bottom:18px;font-size:12.5px;color:#b9d7e2;letter-spacing:.3px;
}
.breadcrumb a{color:#d9f0f6}
.breadcrumb a:hover{color:#ffd680}
.breadcrumb span{color:#7fa9b9}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.11);
  border:1px solid rgba(138,215,230,.4);
  color:#d8f2f8;font-size:12.5px;letter-spacing:1.1px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.article-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,44px);
  line-height:1.28;letter-spacing:-.5px;
  margin:20px 0 18px;
}
.hero-lead{
  color:#cfe3ec;font-size:16px;line-height:1.85;
  max-width:650px;margin-bottom:0;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:10px 18px;
  margin-top:24px;font-size:13px;color:#a9c9d6;
}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row span::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--brand-300);display:block;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag-pill{
  padding:7px 15px;border-radius:999px;font-size:13px;
  color:#d9eff6;background:rgba(255,255,255,.09);
  border:1px solid rgba(138,215,230,.3);
}
.feature-card{
  background:rgba(255,255,255,.98);
  border:1px solid rgba(255,255,255,.72);
  border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow-l);
  color:var(--ink);
}
.feature-card img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
}
.feature-body{padding:22px 24px 24px}
.badge{
  display:inline-flex;align-items:center;
  padding:5px 11px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.4px;
  background:rgba(243,169,43,.15);color:#8a5700;
  border:1px solid rgba(207,133,4,.22);
}
.badge-teal{
  background:rgba(21,155,184,.1);color:var(--brand-700);
  border-color:rgba(21,155,184,.2);
}
.feature-body h2{
  font-size:21px;line-height:1.42;
  margin:12px 0 9px;letter-spacing:-.2px;
}
.feature-body p{font-size:13.5px;line-height:1.7;color:var(--ink-3);margin-bottom:17px}

/* 摘要条 */
.summary-bar{position:relative;z-index:3;margin-top:-26px}
.summary-inner{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:#fff;border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--shadow);overflow:hidden;
}
.summary-item{
  display:flex;align-items:flex-start;gap:13px;
  padding:20px 22px;border-right:1px solid var(--line);
}
.summary-item:last-child{border-right:0}
.summary-icon{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--surface-soft);color:var(--brand-600);
}
.summary-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.summary-item strong{display:block;font-size:14.5px;margin-bottom:3px}
.summary-item p{font-size:12.5px;line-height:1.6;color:var(--ink-3);margin:0}

/* 通用板块 */
.section{padding:62px 0}
.section-soft{background:var(--surface-soft)}
.section-dark{
  background:
    radial-gradient(700px 340px at 88% 0%,rgba(21,155,184,.26),transparent 58%),
    linear-gradient(135deg,var(--brand-900),var(--brand-800));
  color:#fff;
}
.section-heading{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:26px;margin-bottom:30px;
}
.section-heading .heading-copy{max-width:740px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.7px;
  color:var(--brand-600);text-transform:uppercase;
}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.section-heading h2{
  font-size:clamp(24px,2.4vw,31px);
  line-height:1.3;letter-spacing:-.4px;
  margin:9px 0 0;
}
.section-heading p{
  margin:9px 0 0;color:var(--ink-3);font-size:14.5px;line-height:1.8;
}
.section-dark .kicker{color:var(--brand-300)}
.section-dark .section-heading h2{color:#fff}
.section-dark .section-heading p{color:#b9d1dc}

/* 正文区 */
.article-main{padding:54px 0 10px}
.article-shell{
  max-width:900px;margin:0 auto;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);box-shadow:var(--shadow);
  padding:38px 42px 42px;
}
.article-body{font-size:16px;line-height:1.82;color:var(--ink-2)}
.article-body > :first-child{margin-top:0}
.article-body > :last-child{margin-bottom:0}
.article-body h2{
  font-size:25px;line-height:1.4;color:var(--ink);
  margin:2em 0 .7em;padding-left:14px;border-left:4px solid var(--accent);
  letter-spacing:-.3px;
}
.article-body h3{
  font-size:19.5px;line-height:1.5;color:var(--ink);
  margin:1.7em 0 .6em;
}
.article-body h4{font-size:16.5px;color:var(--ink);margin:1.4em 0 .5em}
.article-body p{margin:0 0 1.1em}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-700)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{margin:.32em 0}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;
  border-radius:14px;background:var(--surface-soft);
  border-left:4px solid var(--brand-500);
  color:var(--brand-800);font-size:15px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:1.5em auto;box-shadow:var(--shadow-s)}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;
  font-size:14px;border-radius:12px;overflow:hidden;
  box-shadow:0 0 0 1px var(--line);
}
.article-body th,.article-body td{padding:11px 13px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--surface-soft);color:var(--brand-800);font-weight:700}
.article-body tr:last-child td{border-bottom:0}
.empty-state{
  text-align:center;padding:48px 20px;
  background:var(--surface-soft);border-radius:18px;
}
.empty-state h2{font-size:24px;margin-bottom:10px}
.empty-state p{color:var(--ink-3);margin-bottom:20px}

/* 要点卡 */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.point-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 23px;
  box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c6dde8}
.point-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  color:#fff;font-size:14px;font-weight:700;margin-bottom:15px;
}
.point-card h3{font-size:17px;margin-bottom:8px}
.point-card p{font-size:14px;line-height:1.72;color:var(--ink-3);margin:0}

/* 倍率数据 */
.data-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.data-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(138,215,230,.2);
  border-radius:var(--radius);
  padding:24px;transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.data-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(138,215,230,.4)}
.data-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px}
.data-value{font-size:31px;line-height:1;font-weight:800;color:#ffd680;letter-spacing:-1px}
.data-value small{font-size:14px;font-weight:600;color:#b8dae5;margin-left:3px}
.data-card h3{font-size:17px;color:#fff;margin-bottom:8px}
.data-card p{font-size:13.5px;line-height:1.7;color:#b9d1dc;margin:0 0 14px}
.data-list{list-style:none;padding:0;margin:0;font-size:13px;color:#cfe4ec}
.data-list li{display:flex;gap:8px;padding:5px 0;border-top:1px solid rgba(255,255,255,.08)}
.data-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);margin-top:8px;flex:0 0 5px}

/* 时间线 */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.timeline-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 20px;
  box-shadow:var(--shadow-s);position:relative;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.timeline-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c6dde8}
.timeline-step{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:58px;height:28px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--brand-700);
  background:rgba(21,155,184,.1);border:1px solid rgba(21,155,184,.18);
  margin-bottom:14px;
}
.timeline-item h3{font-size:16.5px;margin-bottom:7px}
.timeline-item p{font-size:13.5px;line-height:1.7;color:var(--ink-3);margin:0}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;margin-bottom:12px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:#c6dde8;box-shadow:var(--shadow-s)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:17px 20px;font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";width:28px;height:28px;flex:0 0 28px;
  display:grid;place-items:center;border-radius:8px;
  background:var(--surface-soft);color:var(--brand-600);
  font-size:20px;font-weight:600;line-height:1;
  transition:transform var(--ease),background var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(243,169,43,.16);color:#8a5700}
.faq-answer{padding:0 20px 18px;font-size:14px;line-height:1.78;color:var(--ink-3)}

/* 分类矩阵 */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c6dde8}
.channel-icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(21,155,184,.15),rgba(243,169,43,.12));
  color:var(--brand-600);
}
.channel-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.channel-card h3{font-size:18px;margin:0}
.channel-card p{font-size:13.5px;line-height:1.72;color:var(--ink-3);margin:0}
.channel-more{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:auto;padding-top:5px;
  font-size:13.5px;font-weight:700;color:var(--brand-600);
}
.channel-more svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease)}
.channel-card:hover .channel-more svg{transform:translateX(3px)}

/* 相关阅读 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{
  overflow:hidden;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c6dde8}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.related-body{padding:18px 19px 20px}
.related-body h3{font-size:16.5px;line-height:1.48;margin:11px 0 8px}
.related-body p{font-size:13px;line-height:1.68;color:var(--ink-3);margin:0}
.related-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;font-size:13px;font-weight:700;color:var(--brand-600);
}
.related-link:hover{color:var(--brand-700)}

/* 咨询 CTA */
.consult-section{padding:0 0 64px}
.consult-box{
  position:relative;overflow:hidden;
  border-radius:26px;padding:38px 42px;
  background:
    radial-gradient(700px 320px at 92% 12%,rgba(243,169,43,.28),transparent 58%),
    linear-gradient(135deg,var(--brand-700),var(--brand-900));
  color:#fff;box-shadow:var(--shadow-l);
}
.consult-grid{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;position:relative}
.consult-box h2{font-size:clamp(23px,2.4vw,30px);margin:0 0 10px;letter-spacing:-.3px}
.consult-box p{color:#c6dfe8;font-size:14.5px;line-height:1.8;margin:0;max-width:720px}
.consult-points{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.consult-points span{
  padding:6px 12px;border-radius:999px;
  font-size:12.5px;color:#dceff5;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(138,215,230,.26);
}
.consult-box .btn-accent{white-space:nowrap}

/* 页脚 */
.site-footer{
  background:var(--brand-900);color:#c6dce5;
  padding:54px 0 26px;margin-top:10px;
}
.footer-grid{
  display:grid;grid-template-columns:1.45fr 1fr 1fr;
  gap:34px;padding-bottom:34px;
  border-bottom:1px solid rgba(138,215,230,.16);
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text small{color:#8fb8c8}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#a9c8d4;margin:0;max-width:420px}
.footer-col h4{font-size:14px;color:#fff;margin:7px 0 14px;letter-spacing:.4px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13.5px;color:#b7d2dd;transition:color var(--ease),transform var(--ease);display:inline-block}
.footer-col a:hover{color:#ffd680;transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding-top:22px;font-size:12px;color:#8fb3c1;
}
.footer-bottom p{margin:0}
.footer-bottom p:last-child{text-align:right}

/* 响应式 */
@media (max-width:1024px){
  .hero-grid{gap:34px;padding:52px 0 50px}
  .article-shell{padding:32px 30px 36px}
  .point-grid,.data-grid,.channel-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .summary-inner{grid-template-columns:1fr}
  .summary-item{border-right:0;border-bottom:1px solid var(--line)}
  .summary-item:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
}
@media (max-width:860px){
  .dock-cta{display:none}
  .menu-btn{display:flex}
  .nav{
    display:none;position:absolute;top:calc(100% + 10px);
    left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);
    border-radius:18px;padding:10px;box-shadow:var(--shadow);
    z-index:90;
  }
  .dock.open .nav{display:flex}
  .nav-link{justify-content:flex-start;padding:12px 14px;border-radius:10px;font-size:15px}
  .nav-consult{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:30px;padding:46px 0 48px}
  .feature-card{max-width:560px}
  .consult-grid{grid-template-columns:1fr}
  .consult-box{padding:32px 26px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom p:last-child{text-align:left}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .site-header{padding:10px 0 6px}
  .dock{padding:9px 10px 9px 12px;gap:10px}
  .logo-mark{width:34px;height:34px;flex-basis:34px;border-radius:10px}
  .logo-mark svg{width:19px;height:19px}
  .logo-text strong{font-size:14px}
  .logo-text small{display:none}
  .article-hero{border-radius:0 0 24px 24px}
  .article-hero h1{font-size:27px}
  .hero-lead{font-size:14.5px}
  .meta-row{gap:8px 14px;font-size:12px}
  .hero-tags{gap:7px}
  .tag-pill{padding:6px 11px;font-size:12px}
  .summary-bar{margin-top:-18px}
  .summary-item{padding:17px 18px}
  .section{padding:48px 0}
  .article-main{padding:38px 0 6px}
  .article-shell{padding:25px 20px 28px;border-radius:18px}
  .article-body{font-size:15px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .point-grid,.data-grid,.channel-grid,.related-grid,.timeline{grid-template-columns:1fr}
  .section-heading{display:block}
  .section-heading h2{margin-top:8px}
  .data-value{font-size:28px}
  .consult-section{padding:0 0 48px}
  .consult-box{padding:28px 20px;border-radius:20px}
  .consult-box .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:42px 0 22px}
  .faq-item summary{padding:15px 16px;font-size:14.5px}
  .faq-answer{padding:0 16px 16px}
}
@media (max-width:400px){
  .feature-body{padding:18px}
  .feature-body h2{font-size:18px}
  .article-hero h1{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --brand-900:#04212f;
  --brand-800:#062d40;
  --brand-700:#0a4a66;
  --brand-600:#0e7490;
  --brand-500:#159bb8;
  --brand-300:#8ad7e6;
  --accent:#f3a92b;
  --accent-deep:#cf8504;
  --bg:#f2f6f9;
  --surface:#ffffff;
  --surface-soft:#e8f1f6;
  --ink:#0a1e2b;
  --ink-2:#33505f;
  --ink-3:#6d8492;
  --line:#dbe6ec;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --shadow-s:0 2px 10px rgba(6,45,64,.06);
  --shadow:0 14px 32px rgba(6,45,64,.11);
  --shadow-l:0 28px 64px rgba(6,45,64,.18);
  --container:1180px;
  --ease:.22s ease;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p{margin-top:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid rgba(21,155,184,.42);
  outline-offset:3px;
}
/* header / dock nav */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:16px 0 8px;
  background:linear-gradient(180deg,rgba(242,246,249,.98) 55%,rgba(242,246,249,0));
}
.dock{
  display:flex;align-items:center;gap:14px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(219,230,236,.92);
  border-radius:999px;
  box-shadow:0 10px 28px rgba(6,45,64,.10);
  backdrop-filter:blur(14px);
  position:relative;
}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;min-width:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  box-shadow:0 6px 16px rgba(14,116,144,.32);
}
.logo-mark svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.logo-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.logo-text strong{font-size:16px;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo-text small{font-size:11px;color:var(--ink-3);letter-spacing:.6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.nav-link:hover{background:var(--surface-soft);color:var(--brand-700)}
.nav-link.is-active{background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;box-shadow:0 6px 16px rgba(14,116,144,.26)}
.nav-consult{display:none}
.dock-cta{flex-shrink:0}
.menu-btn{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform var(--ease),opacity var(--ease)}
.dock.open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.dock.open .menu-btn span:nth-child(2){opacity:0}
.dock.open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#fff;box-shadow:0 10px 22px rgba(14,116,144,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,116,144,.36);background:linear-gradient(135deg,var(--brand-700),var(--brand-600))}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-700)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#3a2400;box-shadow:0 10px 22px rgba(207,133,4,.28)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(207,133,4,.34)}
.btn-sm{min-height:38px;padding:8px 15px;font-size:13.5px;border-radius:9px}
/* hero */
.page-hero{position:relative;margin-top:18px;overflow:hidden;background:var(--brand-900);border-radius:0 0 34px 34px;color:#fff}
.page-hero-bg{position:absolute;inset:0;background:url('/assets/images/a8afc8aeeeeb247b.webp') center/cover no-repeat;opacity:.42}
.page-hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 430px at 12% 8%,rgba(21,155,184,.36),transparent 62%),
    linear-gradient(150deg,rgba(4,33,47,.95) 8%,rgba(6,45,64,.88) 46%,rgba(10,74,102,.80) 100%);
}
.page-hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;padding:66px 0 62px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-bottom:18px;font-size:12.5px;color:#bfe0ea;letter-spacing:.4px;
}
.breadcrumb a{color:#e4f6fa;border-bottom:1px solid rgba(228,246,250,.34);padding-bottom:2px}
.breadcrumb a:hover{color:#ffd680;border-color:#ffd680}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(138,215,230,.42);
  color:#d8f2f8;font-size:12.5px;letter-spacing:1.1px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.page-hero h1{color:#fff;font-size:clamp(28px,3.5vw,42px);margin:20px 0 18px;letter-spacing:-.5px;line-height:1.32}
.page-hero h1 em{font-style:normal;color:#ffd680}
.hero-lead{color:#cfe3ec;font-size:16px;line-height:1.85;max-width:620px;margin-bottom:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-pill{
  padding:7px 15px;border-radius:999px;font-size:13px;
  color:#d9eff6;background:rgba(255,255,255,.09);
  border:1px solid rgba(138,215,230,.3);
}
/* tip wall */
.tip-wall{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tip-card{
  background:rgba(255,255,255,.97);
  border:1px solid rgba(255,255,255,.72);
  border-radius:18px;
  padding:20px;
  color:var(--ink);
  box-shadow:var(--shadow-l);
  transition:transform var(--ease),box-shadow var(--ease);
}
.tip-card:hover{transform:translateY(-3px);box-shadow:0 32px 70px rgba(4,33,47,.28)}
.tip-card-main{grid-column:1/-1;padding:24px}
.tip-card-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;border-radius:999px;
  background:linear-gradient(135deg,rgba(243,169,43,.18),rgba(207,133,4,.10));
  color:#8b5a00;font-size:11.5px;font-weight:700;letter-spacing:.6px;
  margin-bottom:12px;
}
.tip-card h3{font-size:21px;line-height:1.4;margin-bottom:8px}
.tip-card p{color:var(--ink-3);font-size:13.5px;line-height:1.7;margin-bottom:14px}
.tip-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.tip-note{font-size:12px;color:var(--ink-3)}
.tip-card-small .tip-icon{width:34px;height:34px;margin-bottom:12px;border-radius:10px;background:var(--surface-soft);display:grid;place-items:center;color:var(--brand-600)}
.tip-card-small .tip-icon svg{width:18px;height:18px}
.tip-card-small h3{font-size:16px;margin-bottom:6px}
.tip-card-small p{font-size:12.5px;margin-bottom:0}
/* sections */
.page-section{padding:70px 0}
.section-soft{background:linear-gradient(180deg,var(--surface-soft),#f8fbfd)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:32px}
.section-kicker{display:flex;align-items:center;gap:8px;color:var(--brand-600);font-size:12px;font-weight:700;letter-spacing:1.6px;margin-bottom:10px}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-deep))}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;letter-spacing:-.3px;margin-bottom:10px}
.section-desc{color:var(--ink-3);font-size:14.5px;max-width:720px;margin-bottom:0}
.section-link{flex-shrink:0;color:var(--brand-600);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.section-link:hover{color:var(--brand-700);gap:9px}
/* cards */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bcd9e4}
.icon-badge{
  width:46px;height:46px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--surface-soft),#f5fbfd);
  border:1px solid #d5e7ee;color:var(--brand-600);
  margin-bottom:16px;
}
.icon-badge svg{width:23px;height:23px}
.info-card h3{font-size:18px;margin-bottom:8px;line-height:1.45}
.info-card p{font-size:14px;color:var(--ink-3);line-height:1.75;margin-bottom:14px}
.tag-list{display:flex;flex-wrap:wrap;gap:7px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  background:var(--surface-soft);color:var(--brand-700);
  border:1px solid #d5e7ee;font-size:12px;line-height:1.5;
}
/* scenario */
.scenario-card{
  overflow:hidden;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bcd9e4}
.scenario-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#dbe9ef}
.scenario-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.scenario-card:hover .scenario-media img{transform:scale(1.04)}
.scenario-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(4,33,47,.28))}
.scenario-body{padding:20px}
.scenario-body h3{font-size:18px;margin-bottom:8px}
.scenario-body p{font-size:13.5px;color:var(--ink-3);line-height:1.7;margin-bottom:14px}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 20px 20px;box-shadow:var(--shadow-s);
}
.step-number{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;margin-bottom:14px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 6px 14px rgba(14,116,144,.26);
}
.step-card h3{font-size:16px;margin-bottom:7px}
.step-card p{font-size:13px;color:var(--ink-3);line-height:1.7;margin-bottom:0}
.step-card:not(:last-child)::after{
  content:"";position:absolute;top:38px;right:-11px;width:22px;height:2px;
  background:linear-gradient(90deg,#bcd9e4,transparent);
}
/* stats */
.stats-panel{
  position:relative;overflow:hidden;
  padding:36px;border-radius:26px;
  background:
    radial-gradient(520px 260px at 88% 12%,rgba(21,155,184,.32),transparent 66%),
    linear-gradient(135deg,var(--brand-900),var(--brand-700));
  color:#fff;box-shadow:var(--shadow-l);
}
.stats-panel::after{
  content:"";position:absolute;right:-50px;bottom:-70px;
  width:240px;height:240px;border-radius:50%;
  border:1px solid rgba(138,215,230,.25);
}
.stats-head{position:relative;max-width:760px;margin-bottom:26px}
.stats-head h2{color:#fff;font-size:clamp(24px,2.6vw,31px);margin-bottom:10px}
.stats-head p{color:#cfe3ec;font-size:14px;margin-bottom:0}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.stat-card{
  background:rgba(255,255,255,.09);
  border:1px solid rgba(138,215,230,.26);
  border-radius:16px;padding:20px;
}
.stat-label{font-size:12px;letter-spacing:1.4px;color:#a8dce8;margin-bottom:8px}
.stat-value{font-size:32px;line-height:1.2;font-weight:700;color:#ffd680;margin-bottom:6px}
.stat-text{font-size:13px;color:#d3e9f0;line-height:1.7;margin-bottom:0}
/* channel */
.channel-card{
  display:flex;flex-direction:column;gap:12px;
  padding:22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bcd9e4}
.channel-card.is-current{
  border-color:rgba(21,155,184,.44);
  background:linear-gradient(145deg,#fff,#eef8fb);
}
.channel-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.channel-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--surface-soft);color:var(--brand-600)}
.channel-icon svg{width:21px;height:21px}
.channel-mark{font-size:11px;font-weight:700;letter-spacing:1px;color:var(--brand-600);background:rgba(21,155,184,.10);padding:4px 9px;border-radius:999px}
.channel-card h3{font-size:18px;margin-bottom:0}
.channel-card p{font-size:13.5px;color:var(--ink-3);line-height:1.7;margin-bottom:0}
.channel-link{color:var(--brand-600);font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;margin-top:auto}
.channel-link:hover{color:var(--brand-700);gap:9px}
/* update list */
.updates-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.update-card{
  display:flex;flex-direction:column;gap:12px;
  min-height:210px;padding:22px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.update-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bcd9e4}
.update-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.update-cat{font-size:12px;color:var(--brand-600);background:rgba(21,155,184,.10);padding:4px 9px;border-radius:999px;font-weight:600}
.update-date{font-size:12px;color:var(--ink-3)}
.update-card h3{font-size:17px;line-height:1.48;margin-bottom:0}
.update-card p{font-size:13.5px;color:var(--ink-3);line-height:1.7;margin-bottom:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.update-more{margin-top:auto;color:var(--brand-600);font-size:13px;font-weight:600}
.empty-state{
  grid-column:1/-1;padding:38px 20px;text-align:center;
  background:var(--surface);border:1px dashed #bfd8e2;border-radius:var(--radius);
  color:var(--ink-3);font-size:14px;
}
/* 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-s);
  overflow:hidden;
}
.faq-item[open]{border-color:#bcd9e4;box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-weight:600;font-size:15.5px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 18px;width:18px;height:18px;
  background:
    linear-gradient(var(--brand-600),var(--brand-600)) center/10px 2px no-repeat,
    linear-gradient(var(--brand-600),var(--brand-600)) center/2px 10px no-repeat;
  transition:transform var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;color:var(--ink-3);font-size:14px;line-height:1.8}
/* consult */
.consult-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;
  padding:34px;border-radius:26px;
  background:linear-gradient(145deg,#fff,#f2f9fc);
  border:1px solid #d4e5ed;box-shadow:var(--shadow);
}
.consult-copy h2{font-size:clamp(24px,2.5vw,31px);margin-bottom:12px}
.consult-copy p{color:var(--ink-3);font-size:14.5px;line-height:1.8;margin-bottom:16px}
.consult-points{display:grid;gap:9px;margin:0;padding:0;list-style:none}
.consult-points li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--ink-2)}
.consult-points li::before{content:"";flex:0 0 7px;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-top:8px}
.consult-form{display:grid;gap:14px}
.field{display:grid;gap:7px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border-radius:10px;
  border:1px solid var(--line);background:#fbfdfe;
  font-size:14px;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{min-height:108px;resize:vertical}
.field input:hover,.field textarea:hover,.field select:hover{border-color:#bedbe5}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand-500);background:#fff;
  box-shadow:0 0 0 4px rgba(21,155,184,.13);
}
.form-note{font-size:12px;color:var(--ink-3);line-height:1.65;margin-bottom:0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
/* footer */
.site-footer{background:var(--brand-800);color:#cfe3ec;padding:54px 0 24px;margin-top:46px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:36px;padding-bottom:30px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text small{color:#91b9c8}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#a9cbd7;margin-bottom:0;max-width:360px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.4px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:#a9cbd7;transition:color var(--ease),padding-left var(--ease)}
.footer-col a:hover{color:#ffd680;padding-left:3px}
.footer-bottom{border-top:1px solid rgba(138,215,230,.18);padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{margin:0;font-size:12.5px;color:#87acbb}
/* responsive */
@media (max-width:1024px){
  .page-hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-lead{max-width:none}
  .tip-wall{max-width:680px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .updates-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-card:not(:last-child)::after{display:none}
}
@media (max-width:860px){
  .site-header{padding-top:10px}
  .dock{padding:9px 10px 9px 13px;border-radius:22px;gap:10px}
  .logo-text strong{font-size:14px}
  .logo-text small{font-size:10px}
  .menu-btn{display:flex}
  .dock-cta{display:none}
  .nav{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:6px;
    margin:0;padding:12px;
    background:rgba(255,255,255,.98);
    border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow-l);
  }
  .dock.open .nav{display:flex}
  .nav-link{justify-content:flex-start;min-height:44px;padding:11px 14px;border-radius:12px}
  .nav-consult{display:inline-flex;color:var(--brand-600)}
  .page-hero-inner{padding:50px 0 48px}
  .page-section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .grid-3,.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats-grid{grid-template-columns:1fr}
  .consult-panel{grid-template-columns:1fr;padding:26px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:620px){
  .container{padding:0 16px}
  .logo-mark{width:34px;height:34px;flex-basis:34px;border-radius:10px}
  .logo-text strong{max-width:148px}
  .logo-text small{max-width:148px}
  .page-hero{border-radius:0 0 24px 24px}
  .page-hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .tip-wall{grid-template-columns:1fr}
  .tip-card-main{grid-column:auto}
  .tip-card{box-shadow:var(--shadow)}
  .grid-4,.grid-3,.grid-2,.updates-grid,.steps{grid-template-columns:1fr}
  .stats-panel{padding:24px}
  .stat-value{font-size:28px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-item summary{padding:16px 17px;font-size:14.5px}
  .faq-body{padding:0 17px 18px}
  .consult-panel{padding:21px;border-radius:20px}
}

/* roulang page: category2 */
:root{
 --brand-900:#04212f;
 --brand-800:#062d40;
 --brand-700:#0a4a66;
 --brand-600:#0e7490;
 --brand-500:#159bb8;
 --brand-300:#8ad7e6;
 --accent:#f3a92b;
 --accent-deep:#cf8504;
 --bg:#f2f6f9;
 --surface:#ffffff;
 --surface-soft:#e8f1f6;
 --ink:#0a1e2b;
 --ink-2:#33505f;
 --ink-3:#6d8492;
 --line:#dbe6ec;
 --radius-s:8px;
 --radius:14px;
 --radius-l:22px;
 --shadow-s:0 2px 10px rgba(6,45,64,.06);
 --shadow:0 14px 32px rgba(6,45,64,.11);
 --shadow-l:0 28px 64px rgba(6,45,64,.18);
 --container:1180px;
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* header / floating dock */
.site-header{
 position:sticky;top:0;z-index:80;
 padding:16px 0 10px;
 background:linear-gradient(180deg,rgba(242,246,249,.98) 58%,rgba(242,246,249,0));
}
.dock{
 display:flex;align-items:center;gap:14px;
 padding:10px 14px;
 background:rgba(255,255,255,.94);
 -webkit-backdrop-filter:blur(12px);
 backdrop-filter:blur(12px);
 border:1px solid var(--line);
 border-radius:20px;
 box-shadow:var(--shadow-s);
 transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header:hover .dock,
.dock.open{box-shadow:var(--shadow);border-color:#c9dde7}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
 width:38px;height:38px;flex:0 0 38px;border-radius:12px;
 display:grid;place-items:center;
 background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
 box-shadow:0 6px 16px rgba(14,116,144,.32);
}
.logo-mark svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:16px;letter-spacing:.2px}
.logo-text small{font-size:11px;color:var(--ink-3);letter-spacing:.6px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 position:relative;display:inline-flex;align-items:center;
 padding:9px 15px;border-radius:999px;
 font-size:14.5px;font-weight:500;color:var(--ink-2);
 transition:background var(--ease),color var(--ease),transform var(--ease);
}
.nav-link:hover{background:var(--surface-soft);color:var(--brand-700);transform:translateY(-1px)}
.nav-link.is-active{
 background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
 color:#fff;box-shadow:0 6px 16px rgba(14,116,144,.26);
}
.nav-consult{display:none}
.dock-cta{flex-shrink:0}
.menu-btn{
 display:none;margin-left:auto;
 width:44px;height:44px;border-radius:14px;
 border:1px solid var(--line);background:#fff;
 align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform var(--ease),opacity var(--ease)}
.dock.open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.dock.open .menu-btn span:nth-child(2){opacity:0}
.dock.open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* buttons */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:10px;border:1px solid transparent;
 font-size:15px;font-weight:600;letter-spacing:.2px;
 transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{
 background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
 color:#fff;box-shadow:0 10px 22px rgba(14,116,144,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,116,144,.36);background:linear-gradient(135deg,var(--brand-700),var(--brand-600))}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-700)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#3a2400;box-shadow:0 10px 22px rgba(207,133,4,.28)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(207,133,4,.34)}

/* hero */
.hero{position:relative;margin-top:16px;overflow:hidden;background:var(--brand-900);border-radius:0 0 34px 34px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/989367308b8c8191.webp') center/cover no-repeat;opacity:.4}
.hero-mask{
 position:absolute;inset:0;
 background:
 radial-gradient(880px 420px at 14% 6%,rgba(21,155,184,.36),transparent 62%),
 linear-gradient(150deg,rgba(4,33,47,.95) 6%,rgba(6,45,64,.88) 48%,rgba(10,74,102,.8) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:64px 0 60px}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 15px;border-radius:999px;
 background:rgba(255,255,255,.12);border:1px solid rgba(138,215,230,.42);
 color:#d8f2f8;font-size:12.5px;letter-spacing:1.1px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.hero h1{color:#fff;font-size:clamp(27px,3.4vw,40px);margin:18px 0 16px;letter-spacing:-.4px;line-height:1.32}
.hero h1 em{font-style:normal;color:#ffd680}
.hero-lead{color:#cfe3ec;font-size:16px;line-height:1.85;max-width:600px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-pill{
 padding:7px 15px;border-radius:999px;font-size:13px;
 color:#d9eff6;background:rgba(255,255,255,.09);
 border:1px solid rgba(138,215,230,.3);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* hero side panel */
.power-card{
 background:rgba(255,255,255,.98);
 border:1px solid rgba(255,255,255,.8);
 border-radius:var(--radius-l);
 padding:24px;
 box-shadow:var(--shadow-l);
}
.power-head{display:flex;align-items:center;gap:18px;padding-bottom:18px;border-bottom:1px dashed var(--line)}
.ring{
 width:124px;height:124px;flex:0 0 124px;border-radius:50%;
 display:grid;place-items:center;
 background:conic-gradient(var(--accent) calc(var(--p) * 1%), rgba(14,116,144,.13) 0);
 box-shadow:inset 0 0 0 1px rgba(14,116,144,.08);
}
.ring-inner{
 width:96px;height:96px;border-radius:50%;background:#fff;
 display:flex;flex-direction:column;align-items:center;justify-content:center;
 box-shadow:inset 0 0 0 1px rgba(14,116,144,.08);
}
.ring-inner strong{font-size:22px;color:var(--brand-700);line-height:1.1}
.ring-inner span{font-size:11px;color:var(--ink-3);letter-spacing:.6px;margin-top:2px}
.power-head h3{font-size:17px;margin-bottom:6px}
.power-head p{font-size:13px;color:var(--ink-3);line-height:1.7}
.gear-list{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.gear-item{
 border:1px solid var(--line);border-radius:var(--radius);
 padding:12px 14px;background:#fbfdfe;
 transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.gear-item:hover{border-color:var(--brand-300);box-shadow:var(--shadow-s);transform:translateY(-2px)}
.gear-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:7px}
.gear-top strong{font-size:14.5px}
.gear-top em{font-style:normal;font-size:12.5px;color:var(--brand-600);font-weight:700}
.gear-bar{height:6px;border-radius:99px;background:var(--surface-soft);overflow:hidden}
.gear-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand-500),var(--brand-300))}
.gear-item.is-hot .gear-bar i{background:linear-gradient(90deg,var(--accent-deep),var(--accent))}
.gear-note{font-size:12px;color:var(--ink-3);margin-top:7px}

/* sections */
.section{padding:66px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--brand-600);
 margin-bottom:10px;
}
.kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand-500),var(--accent))}
.section-head h2{font-size:clamp(22px,2.4vw,30px);letter-spacing:-.3px;line-height:1.4}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15px;line-height:1.85}

/* grid + cards */
.grid{display:grid;gap:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:22px;
 box-shadow:var(--shadow-s);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c6dde8}
.card-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(140deg,var(--surface-soft),#f7fbfd);
 border:1px solid #d5e7ef;margin-bottom:14px;
}
.card-icon svg{width:21px;height:21px;stroke:var(--brand-600);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:16.5px;margin-bottom:8px;line-height:1.45}
.card p{font-size:14px;color:var(--ink-2);line-height:1.75}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{
 padding:5px 12px;border-radius:999px;font-size:12.5px;
 background:var(--surface-soft);color:var(--brand-700);
 border:1px solid #d3e5ee;
}
.chip-accent{background:#fdf3e0;border-color:#f3dcb2;color:var(--accent-deep)}

/* step timeline */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 22px 22px;box-shadow:var(--shadow-s);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c6dde8}
.step::before{
 counter-increment:step;content:counter(step,decimal-leading-zero);
 position:absolute;top:-14px;left:20px;
 display:grid;place-items:center;
 width:38px;height:28px;border-radius:9px;
 background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
 color:#fff;font-size:13px;font-weight:700;letter-spacing:.6px;
 box-shadow:0 8px 18px rgba(14,116,144,.28);
}
.step h3{font-size:16.5px;margin:10px 0 8px}
.step p{font-size:14px;color:var(--ink-2)}
.step-note{margin-top:12px;font-size:12.5px;color:var(--brand-600);font-weight:600}

/* data table block */
.data-panel{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 box-shadow:var(--shadow);overflow:hidden;
}
.data-row{
 display:grid;grid-template-columns:1.1fr 1fr 1.3fr 1.1fr;gap:16px;
 padding:16px 22px;align-items:center;
 border-bottom:1px solid var(--line);
 font-size:14px;
 transition:background var(--ease);
}
.data-row:last-child{border-bottom:0}
.data-row:hover{background:#f8fbfd}
.data-row.head{
 background:linear-gradient(135deg,var(--brand-800),var(--brand-700));
 color:#e6f5fa;font-size:13px;letter-spacing:.6px;font-weight:600;
 border-bottom:0;
}
.data-row .cell-strong{font-weight:700;color:var(--brand-700)}
.data-row.head .cell-strong{color:#fff}
.data-row .cell-soft{color:var(--ink-3);font-size:13px}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 padding:26px;box-shadow:var(--shadow-s);
}
.compare-col.warn{border-top:4px solid #e0785a}
.compare-col.good{border-top:4px solid var(--brand-500)}
.compare-col h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.compare-col h3 span{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px}
.compare-col.warn h3 span{background:#fdeceb;color:#c05039}
.compare-col.good h3 span{background:#e5f4f8;color:var(--brand-700)}
.compare-col li{
 position:relative;padding-left:22px;margin-bottom:12px;
 font-size:14px;color:var(--ink-2);line-height:1.75;
}
.compare-col li::before{
 content:"";position:absolute;left:0;top:9px;
 width:8px;height:8px;border-radius:3px;
 background:var(--brand-300);
}
.compare-col.warn li::before{background:#efb2a2}

/* scene cards with image */
.scene-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-s);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c6dde8}
.scene-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-soft)}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.scene-card:hover .scene-thumb img{transform:scale(1.04)}
.scene-body{padding:20px 22px 24px}
.scene-body h3{font-size:16.5px;margin-bottom:8px}
.scene-body p{font-size:14px;color:var(--ink-2)}
.scene-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* stats strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
 background:linear-gradient(160deg,var(--brand-800),var(--brand-700));
 color:#dff1f7;border-radius:var(--radius);padding:22px;
 border:1px solid rgba(138,215,230,.22);
 box-shadow:var(--shadow-s);
}
.stat strong{display:block;font-size:26px;color:#fff;line-height:1.2;letter-spacing:-.5px}
.stat span{display:block;margin-top:6px;font-size:13px;color:#a9cddb}

/* faq */
.faq{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:4px 22px;box-shadow:var(--shadow-s);
 transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:var(--brand-300);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 34px 18px 0;position:relative;
 font-size:15.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";position:absolute;right:2px;top:50%;
 width:9px;height:9px;border-right:2px solid var(--brand-600);border-bottom:2px solid var(--brand-600);
 transform:translateY(-70%) rotate(45deg);transition:transform var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item p{padding:0 0 20px;font-size:14px;color:var(--ink-2);line-height:1.85}

/* channel entry */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel{
 display:block;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-s);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-300);background:#fbfdfe}
.channel h3{font-size:16.5px;margin-bottom:8px}
.channel p{font-size:14px;color:var(--ink-2)}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--brand-600)}
.channel-more::after{content:"→";transition:transform var(--ease)}
.channel:hover .channel-more::after{transform:translateX(4px)}

/* cta */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-l);
 background:linear-gradient(135deg,var(--brand-800),var(--brand-700) 55%,var(--brand-600));
 padding:44px;
 display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;
 box-shadow:var(--shadow-l);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle,rgba(243,169,43,.28),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.3vw,27px);line-height:1.45}
.cta-band p{color:#c6e2ec;font-size:14.5px;margin-top:12px;line-height:1.85;max-width:560px}
.cta-side{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px}
.cta-side .btn{width:100%}
.cta-tip{font-size:12.5px;color:#9fc4d3;text-align:center}

/* footer */
.site-footer{
 margin-top:72px;padding:52px 0 26px;
 background:var(--brand-900);color:#c3d9e3;
 border-top:1px solid rgba(138,215,230,.16);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid rgba(138,215,230,.16)}
.footer-brand p{font-size:13.5px;color:#9fbecb;line-height:1.85;margin-top:16px;max-width:400px}
.site-footer .logo-text strong{color:#fff}
.site-footer .logo-text small{color:#87a9b8}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13.5px;color:#a6c6d3;transition:color var(--ease),transform var(--ease)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:20px}
.footer-bottom p{font-size:12.5px;color:#7fa0af;margin:0}

/* responsive */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:34px;padding:52px 0 50px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:1fr}
 .stats{grid-template-columns:repeat(2,1fr)}
 .channel-grid{grid-template-columns:1fr}
 .cta-band{grid-template-columns:1fr;padding:34px}
 .data-row{grid-template-columns:1fr 1fr;gap:10px;row-gap:4px}
 .data-row.head{display:none}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-brand{grid-column:1/-1}
}
@media (max-width:860px){
 .nav{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:12px;border-radius:18px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-l);
  display:none;margin-left:0;
 }
 .dock{position:relative}
 .dock.open .nav{display:flex}
 .nav-link{padding:12px 14px;border-radius:12px;font-size:15px}
 .nav-consult{display:inline-flex}
 .menu-btn{display:flex}
 .dock-cta{display:none}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .grid-3,.grid-2,.compare{grid-template-columns:1fr}
 .power-head{flex-direction:column;align-items:flex-start;text-align:left}
 .ring{width:112px;height:112px;flex-basis:112px}
 .ring-inner{width:86px;height:86px}
 .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .hero-inner{padding:40px 0 40px}
 .grid-4,.stats{grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .card,.step,.scene-body,.compare-col{padding:20px}
 .cta-band{padding:26px 20px}
 .logo-text small{display:none}
 .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
  --brand-900:#04212f;
  --brand-800:#062d40;
  --brand-700:#0a4a66;
  --brand-600:#0e7490;
  --brand-500:#159bb8;
  --brand-300:#8ad7e6;
  --accent:#f3a92b;
  --accent-deep:#cf8504;
  --bg:#f2f6f9;
  --surface:#ffffff;
  --surface-soft:#e8f1f6;
  --ink:#0a1e2b;
  --ink-2:#33505f;
  --ink-3:#6d8492;
  --line:#dbe6ec;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --shadow-s:0 2px 10px rgba(6,45,64,.06);
  --shadow:0 14px 32px rgba(6,45,64,.11);
  --shadow-l:0 28px 64px rgba(6,45,64,.18);
  --container:1180px;
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header / dock nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:16px 0 8px;
  background:linear-gradient(180deg,rgba(242,246,249,.98) 55%,rgba(242,246,249,0));
}
.dock{
  position:relative;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px 10px 16px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-s);
  backdrop-filter:blur(12px);
  transition:box-shadow var(--ease),border-color var(--ease);
}
.dock:hover{box-shadow:var(--shadow)}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  box-shadow:0 6px 16px rgba(14,116,144,.32);
}
.logo-mark svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:16px;letter-spacing:.2px}
.logo-text small{font-size:11px;color:var(--ink-3);letter-spacing:.6px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.nav-link:hover{background:var(--surface-soft);color:var(--brand-700)}
.nav-link.is-active{background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;box-shadow:0 6px 16px rgba(14,116,144,.26)}
.nav-consult{display:none}
.dock-cta{flex-shrink:0}
.menu-btn{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.menu-btn:hover{border-color:var(--brand-300);box-shadow:var(--shadow-s)}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform var(--ease),opacity var(--ease)}
.dock.open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.dock.open .menu-btn span:nth-child(2){opacity:0}
.dock.open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#fff;box-shadow:0 10px 22px rgba(14,116,144,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,116,144,.36);background:linear-gradient(135deg,var(--brand-700),var(--brand-600))}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-700)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#3a2400;box-shadow:0 10px 22px rgba(207,133,4,.28)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(207,133,4,.34)}

/* ---------- category hero ---------- */
.cat-hero{position:relative;overflow:hidden;margin-top:16px;background:var(--brand-900);border-radius:0 0 34px 34px}
.cat-hero-bg{position:absolute;inset:0;background:url('/assets/images/7248ed8573ceb41e.webp') center/cover no-repeat;opacity:.42}
.cat-hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(760px 380px at 84% 10%,rgba(243,169,43,.24),transparent 62%),
    linear-gradient(140deg,rgba(4,33,47,.95) 6%,rgba(6,45,64,.88) 50%,rgba(10,74,102,.8) 100%);
}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;padding:62px 0 64px}
.crumb{font-size:12.5px;letter-spacing:.8px;color:#a6c8d7}
.crumb a{color:#cfe6ef}
.crumb a:hover{color:#fff}
.crumb span{color:#ffd680}
.cat-hero h1{
  color:#fff;font-size:clamp(26px,3.3vw,40px);line-height:1.32;
  margin:16px 0 16px;letter-spacing:-.4px;
}
.cat-hero h1 em{font-style:normal;color:#ffd680}
.cat-hero-lead{color:#cfe3ec;font-size:15.5px;line-height:1.85;max-width:600px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-pill{
  padding:7px 15px;border-radius:999px;font-size:13px;
  color:#d9eff6;background:rgba(255,255,255,.09);
  border:1px solid rgba(138,215,230,.3);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

.verify-card{
  background:rgba(255,255,255,.98);
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--radius-l);
  padding:26px;
  box-shadow:var(--shadow-l);
}
.verify-top{display:flex;align-items:center;gap:18px;margin-bottom:18px}
.ring{
  position:relative;flex:0 0 92px;width:92px;height:92px;border-radius:50%;
  background:conic-gradient(var(--accent) 0deg 300deg,rgba(10,74,102,.14) 300deg 360deg);
  display:grid;place-items:center;
}
.ring::before{content:"";position:absolute;inset:9px;border-radius:50%;background:#fff;box-shadow:inset 0 0 0 1px var(--line)}
.ring b{position:relative;font-size:19px;color:var(--brand-700);line-height:1}
.ring b small{display:block;font-size:10.5px;color:var(--ink-3);font-weight:500;margin-top:3px;letter-spacing:.4px}
.verify-top h3{font-size:17px;margin-bottom:6px}
.verify-top p{font-size:13px;color:var(--ink-3);line-height:1.7}
.check-list{display:grid;gap:9px;margin-bottom:20px}
.check-list li{
  display:flex;align-items:center;gap:10px;
  font-size:13.5px;color:var(--ink-2);
  padding:8px 12px;border-radius:10px;background:#f5f9fb;
  border:1px solid #e6eff4;
}
.check-list .dot{
  width:18px;height:18px;flex:0 0 18px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;font-weight:700;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-500));color:#fff;
}
.check-list li.is-pending .dot{background:#dbe6ec;color:var(--ink-3)}
.verify-card .btn{width:100%}

/* ---------- sections ---------- */
.section{padding:74px 0;position:relative}
.section.is-soft{background:var(--surface-soft)}
.section.is-dark{background:linear-gradient(160deg,var(--brand-900),var(--brand-800) 58%,var(--brand-700));color:#d3e6ee}
.section-head{max-width:780px;margin-bottom:38px}
.kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:12px;
}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.section.is-dark .kicker{color:var(--brand-300)}
.section-head h2{font-size:clamp(22px,2.5vw,31px);line-height:1.4;letter-spacing:-.3px}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15px;line-height:1.85;max-width:720px}
.section.is-dark .section-head p{color:#b9d3df}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.v-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.v-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-300)}
.v-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(14,116,144,.14),rgba(21,155,184,.22));
  margin-bottom:16px;
}
.v-icon svg{width:23px;height:23px;stroke:var(--brand-700);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.v-card h3{font-size:17.5px;margin-bottom:9px}
.v-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-size:12.5px;padding:4px 11px;border-radius:999px;
  background:var(--surface-soft);color:var(--brand-700);
  border:1px solid #d5e6ee;
}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:6px;padding-left:30px}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand-500),rgba(21,155,184,.16));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 30px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:8px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-500);box-shadow:0 0 0 4px rgba(21,155,184,.12);
}
.tl-item h3{font-size:17px;margin-bottom:7px}
.tl-item p{font-size:14.5px;color:var(--ink-2);line-height:1.8;max-width:760px}
.tl-note{
  display:inline-block;margin-top:10px;font-size:12.5px;letter-spacing:.4px;
  color:var(--brand-600);background:rgba(21,155,184,.1);
  border:1px solid rgba(21,155,184,.22);border-radius:999px;padding:4px 12px;
}

/* ---------- compare table ---------- */
.compare{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:var(--surface);box-shadow:var(--shadow-s);
}
.compare-head,.compare-row{
  display:grid;grid-template-columns:1.05fr 1.35fr 1.35fr;gap:0;
}
.compare-head{
  background:linear-gradient(135deg,var(--brand-800),var(--brand-600));
  color:#eaf6fa;font-size:13.5px;font-weight:600;letter-spacing:.6px;
}
.compare-head div,.compare-row div{padding:15px 20px;border-right:1px solid rgba(219,230,236,.7)}
.compare-row div{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.compare-head div:last-child,.compare-row div:last-child{border-right:none}
.compare-row:last-child div{border-bottom:none}
.compare-row{font-size:14px;color:var(--ink-2);background:#fff;transition:background var(--ease)}
.compare-row:nth-child(even){background:#f8fbfd}
.compare-row:hover{background:#eef7fb}
.compare-row div:first-child{font-weight:600;color:var(--ink)}
.compare-row .good{color:var(--brand-700)}
.compare-row .bad{color:#8a5a12}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-300)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;margin-bottom:14px;
  background:linear-gradient(140deg,var(--accent),var(--accent-deep));
  color:#3a2400;font-size:14px;font-weight:800;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.stat{
  flex:1 1 200px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow-s);
}
.stat b{display:block;font-size:24px;color:var(--brand-700);letter-spacing:-.5px}
.stat span{font-size:13px;color:var(--ink-3)}

/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-figure{position:relative;border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-l);border:1px solid rgba(255,255,255,.2)}
.split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.split-figure:hover img{transform:scale(1.04)}
.split-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 22px 16px;
  color:#eaf6fa;font-size:13px;letter-spacing:.4px;
  background:linear-gradient(180deg,rgba(4,33,47,0),rgba(4,33,47,.82));
}
.detail-list{display:grid;gap:16px;margin-top:22px}
.detail-list li{
  display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;
  font-size:14.5px;color:var(--ink-2);line-height:1.8;
}
.detail-list .mk{
  width:22px;height:22px;flex:0 0 22px;border-radius:7px;margin-top:2px;
  display:grid;place-items:center;font-size:12px;font-weight:800;
  background:rgba(21,155,184,.14);color:var(--brand-700);
}
.detail-list strong{color:var(--ink)}

/* ---------- dark pitfalls ---------- */
.pit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:6px}
.pit{
  border:1px solid rgba(138,215,230,.24);
  border-radius:var(--radius);
  padding:22px;
  background:rgba(255,255,255,.05);
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.pit:hover{transform:translateY(-4px);background:rgba(255,255,255,.09);border-color:rgba(243,169,43,.5)}
.pit h3{font-size:16px;color:#fff;margin-bottom:8px}
.pit p{font-size:14px;color:#b9d3df;line-height:1.8}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.qa{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-s);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.qa:hover{border-color:var(--brand-300);box-shadow:var(--shadow)}
.qa summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{
  content:"+";font-size:19px;font-weight:500;color:var(--brand-600);
  transition:transform var(--ease);line-height:1;
}
.qa[open] summary::after{transform:rotate(45deg)}
.qa p{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-l);
  padding:48px 44px;
  background:linear-gradient(130deg,var(--brand-800),var(--brand-600) 62%,var(--brand-500));
  color:#eaf6fa;box-shadow:var(--shadow-l);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(243,169,43,.32),rgba(243,169,43,0) 68%);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.cta-inner h2{font-size:clamp(21px,2.3vw,29px);color:#fff;margin-bottom:12px;line-height:1.4}
.cta-inner p{font-size:14.5px;color:#c9e1ec;line-height:1.85}
.ask-form{display:grid;gap:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius);padding:20px}
.ask-form label{font-size:13px;color:#d6ecf4;letter-spacing:.3px}
.ask-form input,.ask-form textarea{
  width:100%;padding:11px 13px;border-radius:10px;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.94);color:var(--ink);font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.ask-form textarea{resize:vertical;min-height:86px}
.ask-form input:focus,.ask-form textarea:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(243,169,43,.28);
}
.ask-form .btn{width:100%}
.form-note{font-size:12.5px;color:#a9cddc;margin-top:2px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:#a9c6d4;margin-top:76px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;
  padding:56px 0 36px;border-top:1px solid rgba(138,215,230,.18);
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text small{color:#7fa3b4}
.footer-col p{font-size:13.5px;line-height:1.9;color:#93b4c3;max-width:340px}
.footer-col h4{font-size:14.5px;color:#e6f3f8;margin-bottom:16px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:#9dbccb;transition:color var(--ease),padding-left var(--ease)}
.footer-col ul a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:20px 0 34px;border-top:1px solid rgba(138,215,230,.14);
  font-size:12.5px;color:#7fa3b4;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;gap:34px;padding:52px 0 56px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .pit-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .dock{flex-wrap:wrap;gap:10px}
  .menu-btn{display:flex}
  .dock-cta{display:none}
  .nav{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;margin-left:0;
    padding:12px;background:#fff;border:1px solid var(--line);
    border-radius:18px;box-shadow:var(--shadow);
  }
  .dock.open .nav{display:flex}
  .nav-link{padding:12px 16px;border-radius:12px;font-size:15px}
  .nav-consult{display:inline-flex}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .grid-3,.pit-grid,.faq-grid,.steps{grid-template-columns:1fr}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;gap:0;padding:0}
  .compare-row div{border-right:none;padding:12px 18px}
  .compare-row div:first-child{background:#eef6fa;font-weight:700;border-bottom:1px solid var(--line)}
  .compare-row div:not(:first-child)::before{
    content:attr(data-label);display:block;font-size:11.5px;letter-spacing:.6px;
    color:var(--ink-3);margin-bottom:3px;
  }
  .cta-band{padding:34px 22px;border-radius:18px}
  .verify-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo-text strong{font-size:14.5px}
  .logo-text small{font-size:10px}
  .cat-hero h1{font-size:24px}
  .hero-actions .btn{width:100%}
  .verify-top{flex-direction:column;align-items:flex-start;gap:14px}
  .ring{width:82px;height:82px;flex-basis:82px}
  .timeline{padding-left:24px}
  .tl-item::before{left:-24px;width:13px;height:13px}
  .section-head h2{font-size:21px}
  .compare-row div{padding:11px 14px}
  .btn{padding:10px 18px;font-size:14.5px}
}