/* roulang page: index */
:root{
  --brand:#E8462B;
  --brand-600:#d13d24;
  --brand-700:#b8331d;
  --amber:#FF9F1C;
  --ink:#1F1712;
  --ink-soft:#4a3a2e;
  --muted:#7c6a5c;
  --bg:#FFF8F1;
  --surface:#FFFFFF;
  --line:#F1E4D6;
  --line-strong:#e2cfba;
  --green:#1F7A5C;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 6px 20px rgba(31,23,18,.06);
  --shadow-hover:0 14px 36px rgba(31,23,18,.12);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","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;transition:color .2s ease}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-weight:800;line-height:1.3;letter-spacing:.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 4px #fff}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--white{background:var(--surface)}
.section--ink{background:var(--ink);color:#fff}
.section--tight{padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.1em}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--amber))}
.section-title{font-size:clamp(22px,2.5vw,32px);margin-top:10px}
.section-title em{font-style:normal;color:var(--brand)}
.section-desc{font-size:15px;color:var(--muted);line-height:1.85}
.section--ink .section-desc{color:rgba(255,255,255,.72)}
.section--ink .section-title{color:#fff}
.section--ink .eyebrow{color:var(--amber)}
.section-head{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:end;margin-bottom:44px}
@media (max-width:900px){
  .section-head{grid-template-columns:1fr;gap:16px;margin-bottom:32px}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,241,.86);
  backdrop-filter:saturate(150%) blur(12px);
  -webkit-backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--amber));
  color:#fff;font-weight:800;font-size:20px;
  box-shadow:0 6px 16px rgba(232,70,43,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font-size:16px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.main-nav a{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-soft);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.main-nav a:hover{background:rgba(232,70,43,.09);color:var(--brand-700)}
.main-nav a.is-active{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:700;line-height:1.2;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  will-change:transform;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(232,70,43,.26)}
.btn--primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,70,43,.32)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(232,70,43,.24)}
.btn--outline{background:#fff;color:var(--ink);border:1px solid var(--ink)}
.btn--outline:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn--outline:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn--ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn--sm{padding:9px 18px;font-size:13.5px}
.btn--block{width:100%}
.btn:disabled,.btn.is-loading{opacity:.6;cursor:not-allowed;transform:none}

/* badges */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1.5;
  white-space:nowrap;
}
.badge--amber{background:var(--amber);color:var(--ink)}
.badge--outline{background:#fff;border:1px solid var(--brand);color:var(--brand)}
.badge--gray{background:#f3ece3;color:#6a5a4c}
.badge--green{background:rgba(31,122,92,.12);color:var(--green)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block;box-shadow:0 0 0 3px rgba(31,122,92,.16)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:26px 0 0;background:var(--bg)}
.hero::before{
  content:"";position:absolute;right:-160px;top:-160px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,159,28,.20),rgba(255,159,28,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-180px;bottom:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,70,43,.14),rgba(232,70,43,0) 70%);
  pointer-events:none;
}
.flash-bar{
  position:relative;z-index:2;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:var(--ink);color:#fff;border-radius:999px;
  padding:10px 12px 10px 18px;margin-bottom:36px;
}
.flash-text{font-size:13.5px;font-weight:600;letter-spacing:.02em}
.flash-timer{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  padding:5px 14px;border-radius:999px;font-size:13px;color:rgba(255,255,255,.82);
}
.flash-timer b{font-variant-numeric:tabular-nums;color:var(--amber);font-size:14px;letter-spacing:.04em}
.flash-link{font-size:13.5px;font-weight:700;color:var(--amber)}
.flash-link:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:52px;align-items:start;padding-bottom:64px}
.hero-copy h1{font-size:clamp(28px,3.6vw,46px);line-height:1.24;margin:18px 0 20px;letter-spacing:-.01em}
.hero-copy h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:16px;line-height:1.85;color:var(--ink-soft);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:30px;padding-top:22px;border-top:1px dashed var(--line-strong)}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);font-weight:600}
.hero-points li::before{content:"";width:16px;height:16px;border-radius:5px;background:rgba(232,70,43,.12);border:1px solid rgba(232,70,43,.42)}
.hero-strip{height:8px;border-radius:8px 8px 0 0;background:linear-gradient(135deg,var(--brand),var(--amber))}

/* deal card */
.deal-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:box-shadow .25s ease,transform .25s ease;
}
.deal-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.deal-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#f6ece1}
.deal-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.deal-card:hover .deal-media img{transform:scale(1.03)}
.deal-flag{
  position:absolute;left:16px;top:16px;background:var(--brand);color:#fff;
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.04em;
}
.deal-badges{position:absolute;right:14px;bottom:14px;display:flex;gap:8px;flex-wrap:wrap}
.deal-body{padding:22px 22px 24px}
.deal-title{font-size:19px;line-height:1.4}
.deal-price{display:flex;align-items:flex-end;gap:10px;margin:12px 0 14px}
.deal-price b{font-size:38px;line-height:1;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.deal-price span{font-size:13px;color:var(--muted);padding-bottom:4px}
.deal-list{display:grid;gap:8px;margin-bottom:18px}
.deal-list li{display:flex;gap:9px;font-size:14px;color:var(--ink-soft)}
.deal-list li::before{content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;margin-top:9px;background:var(--amber)}
.deal-note{margin-top:12px;font-size:12.5px;color:var(--muted);text-align:center}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.metric-num{
  display:flex;align-items:baseline;gap:4px;margin:12px 0 6px;
  font-size:clamp(30px,3vw,44px);font-weight:800;line-height:1;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.metric-num span{font-size:13px;font-weight:600;color:var(--muted)}
.metric-card p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- directory ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:48px;align-items:start}
.split-main p{font-size:15.5px;color:var(--ink-soft);line-height:1.9;margin-top:18px}
.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow);position:sticky;top:96px;
}
.toc-card h3{font-size:16px;margin-bottom:14px}
.toc-card ol{counter-reset:toc;display:grid;gap:2px}
.toc-card li{counter-increment:toc}
.toc-card a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--ink-soft);transition:background .2s ease,color .2s ease;
}
.toc-card a::before{
  content:counter(toc,decimal-leading-zero);font-size:12px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;min-width:22px;
}
.toc-card a:hover{background:var(--bg);color:var(--brand-700)}

/* ---------- services ---------- */
.service-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}
.service-card{
  grid-column:span 2;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.service-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.service-card--wide{
  grid-column:span 3;position:relative;overflow:hidden;color:#fff;border:0;
  background:var(--ink);min-height:236px;justify-content:flex-end;
}
.service-card--wide::before{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(31,23,18,.35),rgba(31,23,18,.9));
  z-index:1;
}
.service-card--wide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .4s ease}
.service-card--wide:hover img{transform:scale(1.04)}
.service-card--wide > *{position:relative;z-index:2}
.service-num{font-size:12.5px;font-weight:800;color:var(--brand);letter-spacing:.14em;font-variant-numeric:tabular-nums}
.service-card--wide .service-num{color:var(--amber)}
.service-card h3{font-size:17px}
.service-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.service-card--wide p{color:rgba(255,255,255,.78)}
.service-link{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--brand)}
.service-link:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.service-card--wide .service-link{color:var(--amber)}
.icon-box{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:rgba(232,70,43,.10);color:var(--brand);border:1px solid rgba(232,70,43,.20);
}
.icon-box svg{width:22px;height:22px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;position:relative}
.step{position:relative;padding:24px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow)}
.step-num{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--ink);color:#fff;font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:16px;margin:12px 0 6px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.7}
.step::after{
  content:"";position:absolute;right:-16px;top:40px;width:16px;height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(232,70,43,.15));
}
.step:last-child::after{display:none}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.plan--hot{
  border:2px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,var(--brand),var(--amber)) border-box;
  position:relative;
}
.plan-tag{
  position:absolute;top:-14px;left:24px;background:linear-gradient(135deg,var(--brand),var(--amber));
  color:#fff;font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:999px;
}
.plan h3{font-size:18px}
.plan-price{display:flex;align-items:baseline;gap:6px;margin:14px 0 6px}
.plan-price b{font-size:42px;line-height:1;font-weight:800;font-variant-numeric:tabular-nums;color:var(--ink)}
.plan--hot .plan-price b{color:var(--brand)}
.plan-price span{font-size:13px;color:var(--muted)}
.plan-meta{font-size:13px;color:var(--muted);padding-bottom:16px;border-bottom:1px solid var(--line)}
.plan ul{display:grid;gap:10px;margin:18px 0 22px}
.plan li{display:flex;gap:9px;font-size:14px;color:var(--ink-soft);line-height:1.65}
.plan li::before{content:"";flex:0 0 7px;width:7px;height:7px;border-radius:2px;margin-top:8px;background:var(--amber)}
.plan .btn{margin-top:auto}

/* ---------- coverage ---------- */
.coverage-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:44px;align-items:start}
.tag-group{margin-bottom:20px}
.tag-group h4{font-size:13.5px;color:var(--muted);font-weight:700;letter-spacing:.06em;margin-bottom:10px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line-strong);font-size:13.5px;font-weight:600;color:var(--ink-soft);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-1px)}
.coverage-bar-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow);margin-top:8px}
.coverage-bar{display:grid;grid-template-columns:repeat(24,1fr);gap:3px;height:34px}
.coverage-bar i{display:block;border-radius:4px;background:#f2e7da}
.coverage-bar i.lv1{background:rgba(255,159,28,.55)}
.coverage-bar i.lv2{background:var(--amber)}
.coverage-bar i.lv3{background:var(--brand)}
.coverage-labels{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:10px;font-variant-numeric:tabular-nums}
.coverage-legend{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px;font-size:12.5px;color:var(--muted)}
.coverage-legend span{display:inline-flex;align-items:center;gap:6px}
.legend-dot{width:10px;height:10px;border-radius:3px;display:inline-block}

/* ---------- milestones ---------- */
.mile-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:8px}
.mile{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);padding:22px;transition:transform .25s ease,border-color .25s ease;
}
.mile:hover{transform:translateY(-3px);border-color:rgba(255,159,28,.5)}
.mile-year{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--amber);color:var(--ink);font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.mile-num{font-size:32px;font-weight:800;color:#fff;margin:14px 0 4px;font-variant-numeric:tabular-nums;line-height:1.1}
.mile-num span{font-size:13px;font-weight:600;color:rgba(255,255,255,.6);margin-left:4px}
.mile p{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.7}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#f6ece1}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-media img{transform:scale(1.03)}
.news-cat{position:absolute;left:14px;top:14px;background:#fff;color:var(--brand);border:1px solid rgba(232,70,43,.4);font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:16.5px;line-height:1.5}
.news-body p{font-size:13.5px;color:var(--muted);line-height:1.75}
.news-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.link-arrow{font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap}
.link-arrow:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

/* ---------- guarantee ---------- */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.guarantee-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.guarantee-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.guarantee-card h3{font-size:16px;margin:14px 0 8px}
.guarantee-card p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.stars{display:inline-flex;gap:3px;color:var(--amber);font-size:14px;letter-spacing:2px}
.review-card p{font-size:14px;color:var(--ink-soft);line-height:1.78}
.review-foot{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}

/* ---------- quick answers ---------- */
.quick-list{display:grid;gap:14px}
.quick-item{
  display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 24px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.quick-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.quick-item h3{font-size:16px}
.quick-item p{font-size:13.5px;color:var(--muted)}
.quick-arrow{margin-left:auto;color:var(--brand);font-weight:800;font-size:18px}

/* ---------- topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow)}
.topic-card h3{font-size:15.5px;margin-bottom:12px}
.topic-card .tags .tag{font-size:13px;padding:5px 12px}

/* ---------- faq ---------- */
.faq{max-width:920px;margin:0 auto;display:grid;gap:12px}
.acc-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow)}
.acc-btn{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:20px 22px;font-size:16px;font-weight:700;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.acc-btn:hover{background:rgba(255,159,28,.08);color:var(--brand-700)}
.acc-icon{margin-left:auto;flex:0 0 24px;width:24px;height:24px;position:relative;color:var(--brand)}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;
}
.acc-icon::before{width:14px;height:2px}
.acc-icon::after{width:2px;height:14px}
.acc-item.is-open .acc-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .32s ease}
.acc-panel p{
  padding:0 22px 22px 22px;font-size:14.5px;color:var(--ink-soft);line-height:1.85;
  border-left:3px solid var(--brand);margin-left:22px;padding-left:16px;
}
.acc-item.is-open .acc-btn{color:var(--brand-700)}

/* ---------- form ---------- */
.form-section{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand),var(--amber))}
.form-section::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 20%,rgba(31,23,18,.28),transparent 58%),
             radial-gradient(circle at 82% 78%,rgba(31,23,18,.24),transparent 56%);
  pointer-events:none;
}
.form-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:start}
.form-copy h2{font-size:clamp(24px,2.8vw,34px);color:#fff;line-height:1.3}
.form-copy p{color:rgba(255,255,255,.88);font-size:15px;line-height:1.85;margin-top:16px;max-width:46ch}
.form-call{display:inline-flex;align-items:center;gap:10px;margin-top:26px;padding:14px 26px;border-radius:999px;background:#fff;color:var(--brand-700);font-weight:800;font-size:16px;box-shadow:0 12px 30px rgba(31,23,18,.18);transition:transform .2s ease,box-shadow .2s ease}
.form-call:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(31,23,18,.24)}
.form-call small{font-size:12px;font-weight:600;color:var(--muted);display:block;line-height:1.2}
.form-card{background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:0 24px 60px rgba(31,23,18,.22)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-soft);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border-radius:var(--r-sm);border:1px solid var(--line-strong);
  background:var(--bg);font-size:14.5px;color:var(--ink);font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#a89484}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid var(--brand);outline-offset:1px;border-color:var(--brand);background:#fff;
}
.field textarea{resize:vertical;min-height:78px}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.form-msg{font-size:13.5px;font-weight:700;color:var(--green);margin-top:12px;min-height:20px}

/* ---------- duty strip ---------- */
.duty-strip{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 26px;box-shadow:var(--shadow);
}
.duty-strip h3{font-size:16px}
.duty-strip p{font-size:13.5px;color:var(--muted)}
.duty-actions{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.76);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:18px;border-radius:12px}
.footer-brand strong{color:#fff;font-size:15.5px;line-height:1.4;display:block}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.55)}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-phone{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:10px 20px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:700;font-size:14px;transition:background .2s ease,transform .2s ease;
}
.footer-phone:hover{background:var(--brand-600);transform:translateY(-1px)}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-status{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.7)}

/* ---------- mobile sticky cta ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding:10px 16px;gap:10px;align-items:center;
  box-shadow:0 -6px 22px rgba(31,23,18,.10);
}
.mobile-cta .btn{flex:1;padding:11px 12px;font-size:14px}
.to-top{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;
  background:var(--ink);color:#fff;display:grid;place-items:center;z-index:70;
  box-shadow:0 10px 24px rgba(31,23,18,.24);transition:transform .2s ease,background .2s ease;
}
.to-top:hover{background:var(--brand);transform:translateY(-2px)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .metric-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-bottom:52px}
  .deal-card{max-width:560px}
  .split{grid-template-columns:1fr;gap:28px}
  .toc-card{position:static}
  .coverage-grid{grid-template-columns:1fr;gap:28px}
  .form-grid{grid-template-columns:1fr;gap:32px}
  .guarantee-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
}
@media (max-width:960px){
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .service-card,.service-card--wide{grid-column:span 2}
  .steps{grid-template-columns:1fr;gap:12px}
  .step::after{display:none}
  .plan-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .mile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:64px 0}
  .hero{padding-top:18px}
  .flash-bar{border-radius:20px;padding:14px 18px;gap:10px}
  .flash-timer{margin-left:0;width:100%;justify-content:center}
  .flash-link{margin-left:auto}
  .mobile-cta{display:flex}
  body{padding-bottom:74px}
  .to-top{bottom:88px;right:16px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .brand-text strong{font-size:14.5px}
  .brand-text em{font-size:11px}
  .hero-copy h1{font-size:28px}
  .hero-actions .btn{flex:1 1 auto}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .metric-card{padding:18px 16px}
  .service-grid{grid-template-columns:1fr}
  .service-card,.service-card--wide{grid-column:span 1}
  .guarantee-grid{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:1fr}
  .mile-grid{grid-template-columns:1fr}
  .form-card{padding:20px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .quick-item{align-items:flex-start;flex-wrap:wrap;gap:12px}
  .quick-arrow{margin-left:0}
  .duty-actions{margin-left:0;width:100%}
  .duty-actions .btn{flex:1}
  .footer-bottom{font-size:12px}
  .coverage-bar{height:26px}
}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(255,248,241,.99);
  transform:translateY(-100%);transition:transform .32s ease;display:flex;flex-direction:column;
  padding:18px 20px 24px;overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:#fff;
  display:grid;place-items:center;font-size:20px;color:var(--ink);
}
.drawer-nav{display:grid;gap:4px;margin-bottom:auto}
.drawer-nav a{
  display:flex;align-items:center;height:56px;padding:0 14px;border-radius:14px;
  font-size:16.5px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{background:#fff;color:var(--brand)}
.drawer-foot{display:grid;gap:10px;margin-top:20px}
.drawer-foot .badge{justify-self:start}

/* roulang page: category1 */
:root{
 --brand:#E8462B;
 --brand-600:#d13d24;
 --brand-700:#b8331d;
 --amber:#FF9F1C;
 --ink:#1F1712;
 --ink-soft:#4a3a2e;
 --muted:#7c6a5c;
 --bg:#FFF8F1;
 --surface:#FFFFFF;
 --line:#F1E4D6;
 --line-strong:#e2cfba;
 --green:#1F7A5C;
 --r-lg:24px;
 --r-md:16px;
 --r-sm:12px;
 --shadow:0 6px 20px rgba(31,23,18,.06);
 --shadow-hover:0 14px 36px rgba(31,23,18,.12);
 --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:100px}
html body{
 margin:0;
 font-family:"PingFang SC","HarmonyOS Sans SC","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;transition:color .2s ease}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 4px #ffffff}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section--tight{padding:60px 0}
.section--white{background:var(--surface)}
.section--ink{background:var(--ink);color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.1em}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--amber))}
.section-title{font-size:clamp(22px,2.5vw,32px);line-height:1.3;margin-top:10px}
.section-desc{font-size:15px;color:var(--muted);line-height:1.85}
.section--ink .section-title{color:#fff}
.section--ink .section-desc{color:rgba(255,255,255,.72)}
.section--ink .eyebrow{color:var(--amber)}
.section-head{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:30px;max-width:820px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:90;
 background:rgba(255,248,241,.88);
 backdrop-filter:saturate(150%) blur(12px);
 -webkit-backdrop-filter:saturate(150%) blur(12px);
 border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
 width:44px;height:44px;flex:0 0 44px;border-radius:14px;
 display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand),var(--amber));
 color:#fff;font-weight:800;font-size:20px;
 box-shadow:0 6px 16px rgba(232,70,43,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font-size:15.5px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:10px}
.main-nav a{
 padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-soft);
 transition:background .2s ease,color .2s ease,transform .2s ease;
}
.main-nav a:hover{background:rgba(232,70,43,.09);color:var(--brand-700)}
.main-nav a.is-active{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
 align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* buttons */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:999px;font-size:15px;font-weight:700;line-height:1.2;
 transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
 will-change:transform;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(232,70,43,.26)}
.btn--primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,70,43,.32)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(232,70,43,.24)}
.btn--outline{background:#fff;color:var(--ink);border:1px solid var(--ink)}
.btn--outline:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn--outline:active{transform:translateY(1px)}
.btn--sm{padding:9px 18px;font-size:13.5px}
.btn--block{width:100%}

/* badges */
.badge{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1.5;
 white-space:nowrap;
}
.badge--amber{background:var(--amber);color:var(--ink)}
.badge--outline{background:#fff;border:1px solid var(--brand);color:var(--brand)}
.badge--gray{background:#f3ece3;color:#6a5a4c}
.badge--green{background:rgba(31,122,92,.12);color:var(--green)}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fdf3e8;border-bottom:1px solid var(--line)}
.crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:52px;font-size:14px;color:var(--muted);flex-wrap:wrap}
.crumb-trail{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb-trail a{font-weight:600}
.crumb-trail a:hover{color:var(--brand)}
.crumb-sep{color:#c9b7a6}
.crumb-current{color:var(--brand);font-weight:700}
.crumb-back{font-weight:600;color:var(--ink-soft);display:inline-flex;align-items:center;gap:6px}
.crumb-back:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}

/* ---------- category hero ---------- */
.cat-hero{position:relative;padding:52px 0 12px;background:var(--bg);overflow:hidden}
.cat-hero::before{
 content:"";position:absolute;right:-180px;top:-140px;width:520px;height:520px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,159,28,.18),rgba(255,159,28,0) 68%);
 pointer-events:none;
}
.cat-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.5fr);gap:40px;align-items:start}
.cat-hero h1{font-size:clamp(26px,3.2vw,40px);line-height:1.26;letter-spacing:-.01em;margin:16px 0 18px}
.cat-hero h1 em{font-style:normal;color:var(--brand)}
.cat-lead{font-size:16px;line-height:1.85;color:var(--ink-soft);max-width:64ch}
.cat-lead + .cat-lead{margin-top:10px}
.cat-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow);padding:20px 22px}
.stat-card .stat-title{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.stat-list{margin-top:10px}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px dashed var(--line-strong)}
.stat-row:first-child{border-top:0}
.stat-row dt{font-size:13.5px;color:var(--muted)}
.stat-row dd{font-weight:800;font-size:16px;font-variant-numeric:tabular-nums}
.stat-row dd small{font-size:12.5px;color:var(--muted);font-weight:600;margin-left:3px}

/* ---------- filter ---------- */
.filter-bar{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow);padding:8px 22px 14px}
.filter-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0 10px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.filter-head strong{font-size:15px}
.filter-head span{font-size:13px;color:var(--muted)}
.filter-row{display:flex;gap:16px;align-items:flex-start;padding:12px 0}
.filter-row + .filter-row{border-top:1px dashed var(--line)}
.filter-label{flex:0 0 76px;font-size:13.5px;font-weight:700;color:var(--muted);padding-top:6px}
.chip-group{display:flex;flex-wrap:wrap;gap:8px}
.chip{
 padding:6px 14px;border-radius:999px;border:1px solid var(--line-strong);background:#fff;
 font-size:13.5px;font-weight:600;color:var(--ink-soft);
 transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 14px rgba(232,70,43,.22)}
.chip:active{transform:translateY(1px)}

/* ---------- entry list ---------- */
.entry-list{display:grid;gap:16px;margin-top:30px}
.entry{
 display:grid;grid-template-columns:104px minmax(0,1fr);gap:20px;align-items:start;
 background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px;
 box-shadow:var(--shadow);
 transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.entry:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--line-strong)}
.entry-thumb{width:104px;aspect-ratio:1/1;border-radius:12px;overflow:hidden;background:#f3ece3}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.entry:hover .entry-thumb img{transform:scale(1.03)}
.entry-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.entry-top h3{font-size:17px;line-height:1.5;font-weight:800}
.entry-top h3 a:hover{color:var(--brand)}
.entry-sum{font-size:14.5px;line-height:1.72;color:var(--ink-soft);margin-top:6px}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}
.entry-meta .sep{width:4px;height:4px;border-radius:50%;background:#c9b7a6;display:inline-block}
.entry-meta .meta-text{font-size:13px;color:var(--muted)}
.list-foot{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:30px}
.list-foot p{font-size:13.5px;color:var(--muted)}

/* ---------- guide ---------- */
.guide-grid{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:44px;align-items:start}
.guide-text h2{font-size:clamp(21px,2.4vw,29px);line-height:1.35}
.guide-text h3{font-size:18px;margin-top:28px}
.guide-text p{font-size:15.5px;line-height:1.85;color:var(--ink-soft);margin-top:14px}
.guide-list{margin-top:12px}
.guide-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.8;color:var(--ink-soft);margin-top:8px}
.guide-list li::before{
 content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;
 background:linear-gradient(135deg,var(--brand),var(--amber));
}
.toc-card{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow);padding:20px 20px 12px}
.toc-card h3{font-size:13px;letter-spacing:.1em;color:var(--muted);font-weight:700}
.toc-card a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 0;font-size:14.5px;font-weight:600;color:var(--ink-soft);border-bottom:1px dashed var(--line)}
.toc-card a:last-child{border-bottom:0}
.toc-card a::after{content:"›";color:#c9b7a6;font-weight:700}
.toc-card a:hover{color:var(--brand)}
.toc-card a:hover::after{color:var(--brand)}

/* ---------- tag cloud ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
 display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;
 background:#fff;border:1px solid var(--line-strong);font-size:14px;font-weight:600;color:var(--ink-soft);
 transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:0 8px 18px rgba(31,23,18,.08)}

/* ---------- dark stat strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:30px}
.stat-box{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);padding:22px 24px}
.stat-num{font-size:clamp(30px,4vw,44px);font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:#fff}
.stat-num span{font-size:15px;font-weight:700;margin-left:5px;color:var(--amber)}
.stat-box p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.7);margin-top:8px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;margin-top:28px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow);overflow:hidden}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:17px 22px;font-size:16px;font-weight:700;line-height:1.55;cursor:pointer;list-style:none;
 transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand);background:#fffaf4}
.faq-item summary::after{
 content:"+";flex:0 0 28px;width:28px;height:28px;border-radius:50%;
 background:#f3ece3;color:var(--ink);display:grid;place-items:center;
 font-size:18px;font-weight:700;transition:background .2s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--brand);color:#fff}
.faq-answer{
 margin:0 22px 20px 22px;padding-left:16px;border-left:3px solid var(--brand);
 font-size:15px;line-height:1.85;color:var(--ink-soft);
}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
 background:linear-gradient(135deg,var(--brand),var(--amber));
 border-radius:var(--r-lg);padding:36px 40px;color:#fff;
 box-shadow:0 18px 40px rgba(232,70,43,.24);
}
.cta-band::after{
 content:"";position:absolute;right:-70px;top:-90px;width:280px;height:280px;border-radius:50%;
 background:rgba(255,255,255,.15);pointer-events:none;
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);line-height:1.35;position:relative;z-index:2}
.cta-band p{margin-top:8px;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.9);position:relative;z-index:2;max-width:56ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}
.cta-band .btn--light{background:#fff;color:var(--brand-700);box-shadow:0 10px 22px rgba(31,23,18,.16)}
.cta-band .btn--light:hover{background:#fff7ee;transform:translateY(-1px)}
.cta-band .btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.75)}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-mark{flex:0 0 40px;width:40px;height:40px;font-size:18px;box-shadow:none}
.footer-brand strong{display:block;color:#fff;font-size:15px;font-weight:800;line-height:1.35}
.footer-brand em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.04em}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-phone{
 display:inline-flex;align-items:center;margin-top:16px;padding:10px 20px;border-radius:999px;
 background:var(--brand);color:#fff;font-size:14px;font-weight:700;
 transition:background .2s ease,transform .2s ease;
}
.footer-phone:hover{background:var(--brand-600);transform:translateY(-1px)}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;font-weight:700}
.footer-col li{margin-bottom:9px;font-size:14px;line-height:1.6}
.footer-col a:hover{color:var(--amber)}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.12);
 padding:18px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 font-size:13px;color:rgba(255,255,255,.6);
}
.footer-status{display:inline-flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(31,122,92,.25);display:inline-block}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
 position:fixed;inset:0;z-index:120;background:var(--bg);
 display:none;flex-direction:column;padding:18px 20px 0;
}
.mobile-drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
 width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
 display:grid;place-items:center;font-size:22px;line-height:1;background:#fff;
}
.drawer-nav{margin-top:10px}
.drawer-nav a{display:flex;align-items:center;min-height:56px;font-size:17px;font-weight:700;border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-cta{margin-top:auto;padding:20px 0 26px;display:grid;gap:10px}

/* ---------- responsive ---------- */
@media (max-width:1100px){
 .main-nav{display:none}
 .nav-toggle{display:flex}
 .header-actions .btn--outline{display:none}
 .cat-hero-grid{grid-template-columns:1fr;gap:26px}
 .stat-card{max-width:420px}
 .guide-grid{grid-template-columns:1fr;gap:30px}
 .toc-card{position:static;order:-1}
}
@media (max-width:1024px){
 .section{padding:64px 0}
 .section--tight{padding:48px 0}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .stat-strip{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .container{padding:0 20px}
 .header-inner{min-height:66px;gap:12px}
 .brand-text strong{font-size:14px}
 .brand-text em{font-size:11px}
 .header-actions .btn{padding:9px 16px;font-size:13.5px}
 .crumb-inner{min-height:48px;font-size:13px}
 .cat-hero{padding:38px 0 6px}
 .filter-row{flex-direction:column;gap:8px}
 .filter-label{flex:none;padding-top:0}
 .entry{grid-template-columns:84px minmax(0,1fr);gap:14px;padding:14px}
 .entry-thumb{width:84px}
 .entry-top{flex-direction:column;gap:8px}
 .entry-top h3{font-size:16px}
 .entry-sum{font-size:14px}
 .cta-band{padding:26px 22px;border-radius:var(--r-md)}
 .faq-item summary{font-size:15px;padding:15px 18px}
 .faq-answer{margin:0 18px 18px 18px;font-size:14.5px}
 .stat-strip{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
 .site-footer{padding-top:48px;margin-top:48px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;font-size:18px}
 .brand-text strong{max-width:150px}
 .cat-hero h1{font-size:25px}
 .cat-lead{font-size:15px}
 .entry{grid-template-columns:72px minmax(0,1fr);gap:12px}
 .entry-thumb{width:72px}
 .entry-meta{gap:6px}
 .entry-meta .badge{font-size:11.5px;padding:3px 8px}
 .cta-actions{width:100%}
 .cta-actions .btn{width:100%}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}