/* roulang page: index */
:root{
  --brand:#E9442B;
  --brand-dark:#B62F19;
  --brand-rgb:233,68,43;
  --accent:#0F6B5C;
  --accent-soft:#E3F1ED;
  --amber:#FFB020;
  --bg:#FAF6F0;
  --ink:#17140F;
  --card:#FFFFFF;
  --line:#E9E0D4;
  --text:#3C3830;
  --muted:#7A736A;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --r-img:14px;
  --sh:0 2px 8px rgba(23,20,15,.08);
  --sh-h:0 10px 24px rgba(23,20,15,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;

  --bs-primary:#E9442B;
  --bs-primary-rgb:233,68,43;
  --bs-body-font-family:var(--font);
  --bs-body-color:#3C3830;
  --bs-body-bg:#FAF6F0;
  --bs-border-radius:12px;
  --bs-border-color:#E9E0D4;
  --bs-link-color:#E9442B;
  --bs-link-hover-color:#B62F19;
  --bs-emphasis-color:#17140F;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;background-color:#EFE8DE}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(233,68,43,.3);outline-offset:2px;border-radius:8px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.container-x{max-width:1280px}}
@media (max-width:767px){.container-x{padding-left:20px;padding-right:20px}}

.section{padding:96px 0}
.section.tight{padding:72px 0}
@media (max-width:767px){.section{padding:60px 0}.section.tight{padding:48px 0}}
.section-dark{background:var(--ink);color:rgba(255,255,255,.82)}
.section-dark h2,.section-dark h3{color:#fff}
.section-alt{background:#F3ECE3}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--accent);background:var(--accent-soft);
  padding:5px 12px;border-radius:999px;
}
.section-dark .eyebrow{background:rgba(15,107,92,.28);color:#8FE0CB}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);line-height:1.25;margin-top:14px}
.sec-sub{color:var(--muted);font-size:15px;margin-top:12px;max-width:640px}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;font-size:15px;color:var(--brand);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  white-space:nowrap;
}
.link-cta:hover{color:var(--accent)}
@media (max-width:767px){
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 2px 12px rgba(23,20,15,.08)}
.nav-wrap{display:flex;align-items:center;height:72px;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);font-weight:800;font-size:19px}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:36px;height:36px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:11px;background:linear-gradient(135deg,#E9442B 0%,#FF7A4D 100%);
  box-shadow:0 6px 16px rgba(233,68,43,.32);
}
.brand-mark svg{width:21px;height:21px;display:block}
.brand-text{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 14px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--text);
}
.nav-menu a:hover{background:rgba(233,68,43,.08);color:var(--brand)}
.nav-menu a.active{color:var(--brand)}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-icons{display:none;align-items:center;gap:16px;margin-left:auto}
.header-icons a{color:var(--ink);display:inline-flex}
.header-icons svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

@media (max-width:767px){
  .nav-wrap{height:56px;gap:16px}
  .brand{font-size:17px}
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .nav-menu,.nav-cta{display:none}
  .header-icons{display:flex}
}

/* ============ 按钮 ============ */
.btn-main,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .12s ease,box-shadow .2s ease;
  border:1.5px solid transparent;
}
.btn-main{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;box-shadow:0 8px 20px rgba(233,68,43,.28)}
.btn-main:active{transform:translateY(1px)}
.btn-outline{background:transparent;border-color:var(--accent);color:var(--accent)}
.btn-outline:hover{background:var(--accent);color:#fff}
.btn-outline:active{transform:translateY(1px)}
.btn-on-dark{background:transparent;border:1.5px solid rgba(255,255,255,.75);color:#fff}
.btn-on-dark:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-on-dark:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--ink);height:44px;padding:0 20px}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
@media (max-width:575px){
  .btn-main,.btn-outline,.btn-on-dark{height:44px;padding:0 20px;font-size:15px}
}

/* ============ Hero ============ */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.5;
}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(880px 420px at 82% 10%, rgba(233,68,43,.38), transparent 66%),
    radial-gradient(600px 320px at 6% 92%, rgba(15,107,92,.4), transparent 70%),
    linear-gradient(180deg, rgba(23,20,15,.86) 0%, rgba(23,20,15,.94) 100%);
}
.hero-arc{position:absolute;right:-90px;bottom:-120px;width:520px;opacity:.09;z-index:0;pointer-events:none}
.hero-inner{position:relative;z-index:1;padding:88px 0 68px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{
  color:#fff;
  font-size:clamp(30px,5vw,46px);
  line-height:1.15;font-weight:800;
}
.hero h1 .hl{color:var(--amber)}
.hero-sub{
  margin-top:16px;font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.78);max-width:560px;
}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:56px;padding-top:32px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-stat{padding-right:20px}
.hero-stat + .hero-stat{padding-left:24px;border-left:1px solid rgba(255,255,255,.12)}
.hero-stat .num{
  font-size:32px;font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stat .lbl{margin-top:6px;font-size:13px;color:rgba(255,255,255,.66)}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure .tag-float{
  position:absolute;left:16px;bottom:16px;
  background:rgba(23,20,15,.78);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:13px;font-weight:600;padding:8px 14px;border-radius:999px;
  backdrop-filter:blur(6px);
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-inner{padding:64px 0 52px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px 0;margin-top:40px}
  .hero-stat:nth-child(3){padding-left:0;border-left:0}
}
@media (max-width:767px){
  .hero-inner{padding:52px 0 44px}
  .hero-sub{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-on-dark{width:100%}
  .hero-arc{width:340px;right:-120px}
}

/* ============ 价值主张 ============ */
.value-grid{display:grid;grid-template-columns:380px 1fr;gap:56px;align-items:start}
.value-left{position:sticky;top:108px}
.value-left h2{font-size:clamp(24px,3.4vw,34px);line-height:1.25;margin-top:14px}
.value-left p{margin-top:16px;color:var(--muted);font-size:15px}
.value-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.value-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#DCCFBC}
.v-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);margin-bottom:18px;
}
.v-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.value-card h3{font-size:18px;margin-bottom:8px}
.value-card p{color:var(--muted);font-size:14.5px;line-height:1.75}
.value-card .link-cta{margin-top:16px;font-size:14px}
@media (max-width:991px){
  .value-grid{grid-template-columns:1fr;gap:32px}
  .value-left{position:static}
}
@media (max-width:575px){
  .value-cards{grid-template-columns:1fr}
}

/* ============ 功能分组 ============ */
.feature-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;margin-top:8px}
.fgroup{padding:36px 0;border-top:1px solid var(--line)}
.fgroup-head{margin-bottom:22px}
.fgroup-head h3{font-size:20px;display:flex;align-items:center;gap:10px}
.fgroup-head h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.fgroup-head p{color:var(--muted);font-size:14px;margin-top:8px}
.frow{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed #E5DACB}
.frow:last-child{border-bottom:0}
.frow-icon{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,176,32,.16);color:#A96A00;
}
.frow-icon svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.frow h4{font-size:15px;font-weight:700;color:var(--ink);line-height:1.6}
.frow p{font-size:14px;color:var(--muted);line-height:1.7;margin-top:2px}
@media (max-width:991px){.feature-wrap{grid-template-columns:1fr;gap:0}}

/* ============ 使用场景 ============ */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0}
.scene-row + .scene-row{border-top:1px dashed #DED2C1}
.scene-row.reverse .scene-copy{order:2}
.scene-num{
  font-size:44px;font-weight:800;line-height:1;
  color:rgba(15,107,92,.28);font-variant-numeric:tabular-nums;
}
.scene-copy h3{font-size:22px;margin-top:12px}
.scene-copy p{color:var(--muted);font-size:15px;margin-top:12px;max-width:460px}
.scene-copy .link-cta{margin-top:18px}
.scene-fig{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh)}
.scene-fig img{width:100%;aspect-ratio:16/10;object-fit:cover}
@media (max-width:991px){
  .scene-row{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .scene-row.reverse .scene-copy{order:0}
}

/* ============ 成功案例 ============ */
.case-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.case-name{font-size:17px;font-weight:800;color:var(--ink)}
.badge-soft{
  display:inline-block;font-size:13px;font-weight:600;
  color:var(--accent);background:var(--accent-soft);
  padding:4px 12px;border-radius:999px;line-height:1.6;
}
.case-card .badge-soft{margin-top:10px}
.case-metric{
  margin-top:22px;font-size:24px;font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.case-card p{color:var(--muted);font-size:14.5px;margin-top:8px}
@media (max-width:991px){.case-track{grid-template-columns:1fr 1fr}}
@media (max-width:767px){
  .case-track{
    display:flex;overflow-x:auto;scroll-snap-type:x mandatory;
    gap:16px;padding-bottom:8px;margin:0 -20px;padding-left:20px;padding-right:20px;
    -webkit-overflow-scrolling:touch;
  }
  .case-card{min-width:80%;scroll-snap-align:start}
}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:34px 28px;box-shadow:var(--sh);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.price-card.featured{border:2px solid var(--brand);transform:scale(1.02);z-index:2}
.price-card.featured:hover{transform:scale(1.02) translateY(-4px)}
.price-badge{
  position:absolute;top:-13px;right:22px;
  background:var(--brand);color:#fff;font-size:12px;font-weight:700;
  padding:4px 14px;border-radius:999px;letter-spacing:.04em;
}
.price-card h3{font-size:19px}
.price-card .desc{color:var(--muted);font-size:14px;margin-top:8px;min-height:44px}
.price-num{
  margin-top:18px;font-size:40px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.price-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px}
.price-list{margin:24px 0 28px;display:flex;flex-direction:column;gap:12px}
.price-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text);line-height:1.7}
.price-list li svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;stroke:var(--accent);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.price-card .btn-main,.price-card .btn-outline{width:100%;margin-top:auto}
@media (max-width:991px){.price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}.price-card.featured{transform:none}}

/* ============ 资讯 / CMS ============ */
.cms-news{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#DCCFBC}
.news-link{display:block;color:inherit;height:100%}
.news-link:hover{color:inherit}
.news-thumb{overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:22px 24px 24px}
.news-title{
  font-size:17px;line-height:1.55;margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  color:var(--muted);font-size:14px;line-height:1.75;margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
}
.news-date{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-go{font-size:13px;font-weight:700;color:var(--brand)}
.cms-empty{
  border:2px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;background:#FCF8F3;
}
.cms-empty p{color:var(--muted);font-size:15px;margin-bottom:18px}
@media (max-width:991px){.news-grid{grid-template-columns:1fr}}

/* ============ CTA ============ */
.cta-band{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 240px at 88% 20%, rgba(233,68,43,.42), transparent 68%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.045) 0 12px, transparent 12px 26px);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(22px,3vw,30px);line-height:1.3}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;max-width:620px}
@media (max-width:767px){
  .cta-band{padding:48px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn-main{width:100%}
}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:#DCCFBC;box-shadow:var(--sh)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);position:relative;
}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.faq-q:hover{color:var(--brand)}
.faq-sign{
  width:22px;height:22px;flex:0 0 auto;position:relative;transition:transform .25s ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-sign::before{left:0;right:0;top:10px;height:2px}
.faq-sign::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.open .faq-sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px}
.footer-brand:hover{color:#fff}
.footer-brand .brand-mark{box-shadow:none}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.footer-actions .btn-main{height:44px;padding:0 20px;font-size:14px}
.footer-actions .btn-on-dark{height:44px;padding:0 20px;font-size:14px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.45)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:575px){
  .site-footer{padding-top:52px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}

/* ============ 移动底部 Tab ============ */
.tabbar{display:none}
@media (max-width:767px){
  body{padding-bottom:76px}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1050;
    background:#fff;border-top:1px solid var(--line);
    padding:8px 6px calc(8px + env(safe-area-inset-bottom));
    box-shadow:0 -4px 16px rgba(23,20,15,.06);
  }
  .tabbar a{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
    font-size:11px;font-weight:600;color:var(--muted);padding:2px 0;
  }
  .tabbar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .tabbar a.active{color:var(--brand)}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand:#E9442B;
  --brand-dark:#B62F19;
  --brand-rgb:233,68,43;
  --green:#0F6B5C;
  --green-soft:#E3F1ED;
  --amber:#FFB020;
  --bg:#FAF6F0;
  --ink:#17140F;
  --card:#FFFFFF;
  --line:#E9E0D4;
  --text:#3C3830;
  --muted:#7A736A;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --r-img:14px;
  --sh-1:0 2px 8px rgba(23,20,15,.08);
  --sh-2:0 10px 24px rgba(23,20,15,.12);
  --ff:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-primary:#E9442B;
  --bs-primary-rgb:233,68,43;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-body-color:#3C3830;
  --bs-body-bg:#FAF6F0;
  --bs-border-radius:10px;
  --bs-link-color:#0F6B5C;
  --bs-link-hover-color:#E9442B;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:#EFE8DE}
a{color:var(--green);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button,input,textarea{font-family:inherit}
:focus-visible{outline:3px solid rgba(233,68,43,.3);outline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:0}
p{margin:0}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{--bs-btn-border-radius:var(--r-btn)}
.btn-main,.btn-ghost,.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  border:1.5px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn-main{background:var(--brand);color:#fff}
.btn-main:hover{background:var(--brand-dark);color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-main:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#fff}
.btn-on-dark{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-on-dark:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 2px 12px rgba(23,20,15,.08)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:17px;font-weight:800;text-decoration:none}
.brand:hover{color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#E9442B,#F2703F);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark svg{width:22px;height:22px}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{position:relative;padding:8px 10px;border-radius:8px;font-size:15px;font-weight:600;color:var(--text);text-decoration:none}
.nav-menu a:hover{background:rgba(233,68,43,.08);color:var(--brand)}
.nav-menu a.active{color:var(--brand)}
.nav-menu a.active::after{content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;border-radius:2px;background:var(--brand)}
.nav-cta{margin-left:auto;height:40px;padding:0 18px;font-size:14px}
.header-icons{display:flex;align-items:center;gap:6px}
.header-icons a{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;color:var(--text)}
.header-icons a:hover{background:rgba(233,68,43,.08);color:var(--brand)}
.header-icons svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);white-space:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.crumb::-webkit-scrollbar{display:none}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#CFC6B8}
.crumb .cur{color:var(--ink);font-weight:600}
.crumb .cat{color:var(--green)}

/* ---------- article ---------- */
.article-section{padding:24px 0 0}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.article-main{min-width:0}
.badge-cat{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:13px;font-weight:700}
.badge-key{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:rgba(255,176,32,.16);color:#9A6200;font-size:13px;font-weight:700}
.article-title{margin:14px 0 12px;font-size:clamp(26px,4vw,38px);line-height:1.3;font-weight:800;color:var(--ink)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.article-meta .divider{width:1px;height:12px;background:var(--line)}
.article-banner{margin:24px 0 0;border-radius:var(--r-img);overflow:hidden;background:#EFE8DE}
.article-banner img{width:100%;aspect-ratio:16/7;object-fit:cover}
.cms-article-body{max-width:760px;margin-top:28px;font-size:16px;line-height:1.9;color:var(--text);overflow-wrap:break-word}
.cms-article-body p{margin:0 0 1.2em}
.cms-article-body h2{margin:36px 0 14px;padding-left:12px;border-left:4px solid var(--brand);font-size:20px;font-weight:700;line-height:1.5;color:var(--ink)}
.cms-article-body h3{margin:26px 0 10px;font-size:17px;font-weight:700;color:var(--ink)}
.cms-article-body h4{margin:20px 0 8px;font-size:16px;font-weight:700;color:var(--ink)}
.cms-article-body blockquote{margin:20px 0;padding:16px;border-left:4px solid var(--brand);background:rgba(233,68,43,.08);border-radius:0 12px 12px 0;color:#4A4438}
.cms-article-body blockquote p:last-child{margin-bottom:0}
.cms-article-body img{margin:20px auto;border-radius:var(--r-img)}
.cms-article-body figure{margin:20px 0}
.cms-article-body figcaption{margin-top:8px;font-size:13px;color:var(--muted);text-align:center}
.cms-article-body ul,.cms-article-body ol{margin:0 0 1.2em;padding-left:1.4em;line-height:1.85}
.cms-article-body li{margin-bottom:.4em}
.cms-article-body table{width:100%;margin:20px 0;border-collapse:collapse;font-size:15px}
.cms-article-body th,.cms-article-body td{padding:10px 12px;border:1px solid var(--line);text-align:left}
.cms-article-body th{background:#F5EFE6;font-weight:700;color:var(--ink)}
.cms-article-body a{color:var(--green);border-bottom:1px solid rgba(15,107,92,.35)}
.cms-article-body a:hover{color:var(--brand);border-bottom-color:rgba(233,68,43,.45)}
.cms-article-body pre{margin:20px 0;padding:16px;border-radius:12px;background:#F3EDE4;overflow:auto;font-size:14px;line-height:1.7}
.cms-article-body code{padding:2px 6px;border-radius:8px;background:#F3EDE4;font-size:14px;font-family:ui-monospace,Menlo,Consolas,monospace}
.cms-empty-article{padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;text-align:center}
.cms-empty-article h2{margin:0 0 10px;font-size:20px;font-weight:700;color:var(--ink)}
.cms-empty-article p{margin:0 0 20px;font-size:15px;color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px}
.tag.is-key{border-color:transparent;background:var(--green-soft);color:var(--green);font-weight:600}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- related ---------- */
.related{padding:56px 0 0}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.related-head h2{font-size:22px;font-weight:800}
.related-head a{font-size:14px;font-weight:600;color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.related-head a:hover{color:var(--green)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card-post{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card-post:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DFD5C6}
.card-post .thumb{aspect-ratio:16/10;background-color:#EFE8DE;background-size:cover;background-position:center}
.card-post .body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-post h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.card-post .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.related-note{display:none;padding:18px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;font-size:14px;color:var(--muted)}

/* ---------- aside ---------- */
.article-aside{position:sticky;top:96px}
.aside-card{margin-bottom:20px;padding:20px;border:1px solid var(--line);border-radius:var(--r-card);background:#fff}
.aside-card h3{margin:0 0 14px;font-size:15px;font-weight:700;color:var(--ink)}
.reading-list{list-style:none;margin:0;padding:0}
.reading-list li{padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;line-height:1.6}
.reading-list li:last-child{border-bottom:none;padding-bottom:0}
.reading-list a{color:var(--text)}
.reading-list a:hover{color:var(--brand)}
.aside-card.convert{border-color:transparent;background:var(--ink);color:rgba(255,255,255,.72)}
.aside-card.convert h3{color:#fff}
.aside-card.convert p{font-size:13px;line-height:1.7;margin:0 0 14px}
.form-field{margin-bottom:12px}
.form-field label{display:block;margin-bottom:6px;font-size:13px;color:inherit}
.form-control-x{width:100%;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);font-size:14px;transition:border-color .2s ease,box-shadow .2s ease}
.form-control-x::placeholder{color:#A79E92}
.form-control-x:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(233,68,43,.18)}
.form-control-x.is-error{border-color:#D93025}
.field-error{display:none;margin-top:6px;font-size:13px;color:#F08A80}
.field-error.show{display:block}
.form-ok{display:none;margin-top:12px;font-size:13px;color:#7FE3C4}
.form-ok.show{display:block}
.aside-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.45)}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;margin-top:72px;padding:58px 0;background:var(--ink);color:#fff}
.cta-band::after{content:"";position:absolute;right:-80px;bottom:-60px;width:340px;height:200px;background:repeating-linear-gradient(135deg,rgba(255,176,32,.14) 0 8px,transparent 8px 20px);pointer-events:none}
.cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:800;color:#fff;line-height:1.3}
.cta-band p{margin:12px 0 24px;max-width:600px;font-size:15px;color:rgba(255,255,255,.72)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{margin-top:0;padding:72px 0 28px;background:var(--ink);color:rgba(255,255,255,.68)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;text-decoration:none}
.footer-brand:hover{color:#fff}
.footer-desc{margin:16px 0 20px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-actions{display:flex;gap:12px;flex-wrap:wrap}
.footer-actions .btn-main,.footer-actions .btn-on-dark{height:44px;padding:0 18px;font-size:14px}
.footer-col h4{margin:0 0 16px;font-size:14px;font-weight:700;color:#fff}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{color:rgba(255,255,255,.68)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.45)}

/* ---------- mobile tab ---------- */
.mobile-tab{display:none}
@media (max-width:991px){
  .article-shell{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static;margin-top:40px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-menu{gap:16px}
}
@media (max-width:767px){
  body{padding-bottom:76px}
  .container-x{padding:0 20px}
  .nav-wrap{height:56px;gap:12px}
  .nav-menu,.nav-cta{display:none}
  .header-icons{margin-left:auto}
  .brand-text{font-size:16px}
  .article-section{padding:16px 0 0}
  .cms-article-body{margin-top:22px;font-size:16px;line-height:1.9}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-on-dark{flex:1}
  .mobile-tab{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;border-top:1px solid var(--line);box-shadow:0 -2px 12px rgba(23,20,15,.06);padding-bottom:env(safe-area-inset-bottom)}
  .mobile-tab a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 0;font-size:11px;color:var(--muted);text-decoration:none}
  .mobile-tab a svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .mobile-tab a.active{color:var(--brand)}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .article-title{font-size:26px}
  .article-actions .btn-main,.article-actions .btn-ghost{width:100%}
}

/* roulang page: category1 */
:root{
  --bs-primary:#E9442B;
  --bs-primary-rgb:233,68,43;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-body-color:#3C3830;
  --bs-body-bg:#FAF6F0;
  --bs-border-radius:10px;
  --bs-link-color:#E9442B;
  --bs-link-hover-color:#B62F19;

  --primary:#E9442B;
  --primary-dark:#B62F19;
  --primary-rgb:233,68,43;
  --secondary:#0F6B5C;
  --secondary-soft:#E3F1ED;
  --amber:#FFB020;
  --bg:#FAF6F0;
  --dark:#17140F;
  --card:#FFFFFF;
  --line:#E9E0D4;
  --ink:#17140F;
  --text:#3C3830;
  --muted:#7A736A;
  --img-fallback:#EFE8DE;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-sm:0 2px 8px rgba(23,20,15,.08);
  --shadow-md:0 10px 24px rgba(23,20,15,.12);
  --sec-space:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
em{font-style:normal;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(233,68,43,.3);border-radius:6px;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container-x{max-width:1280px;}}

/* ---------- Bootstrap 覆盖 ---------- */
.btn{border-radius:var(--radius-btn);font-weight:700;border-width:1.5px;}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;}
.btn-primary:hover,.btn-primary:focus{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;}
.card{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);box-shadow:var(--shadow-sm);}
.navbar{background:#fff;border-bottom:1px solid var(--line);}
.nav-link{color:var(--text);font-weight:600;}
.nav-link:hover,.nav-link.active{color:var(--primary);}
.form-control{border:1px solid var(--line);border-radius:var(--radius-btn);min-height:44px;background:#fff;color:var(--text);}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(233,68,43,.18);}
.badge{background:var(--secondary-soft);color:var(--secondary);border-radius:999px;font-weight:600;padding:6px 12px;font-size:13px;}
.dropdown-menu{border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-md);}
.accordion-item{border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:12px;}
.accordion-button{font-weight:700;color:var(--ink);background:#fff;}
.accordion-button:not(.collapsed){color:var(--primary);background:#fff;box-shadow:none;}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  background:var(--primary);border:1.5px solid var(--primary);color:#fff;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;}
.btn-main:active{transform:translateY(1px);}
.btn-main:focus-visible{box-shadow:0 0 0 3px rgba(233,68,43,.3);}
.btn-main.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  background:transparent;border:1.5px solid var(--secondary);color:var(--secondary);
  font-size:15px;font-weight:700;transition:all .2s ease;
}
.btn-ghost:hover{background:var(--secondary);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline-light-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  background:transparent;border:1.5px solid rgba(255,255,255,.55);color:#fff;
  font-size:15px;font-weight:700;transition:all .2s ease;
}
.btn-outline-light-x:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  background:transparent;border:1.5px solid rgba(255,255,255,.4);color:#fff;
  font-size:14px;font-weight:700;transition:all .2s ease;
}
.btn-on-dark:hover{background:#fff;color:var(--ink);border-color:#fff;}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--primary);
  border-bottom:1px solid rgba(233,68,43,.35);padding-bottom:2px;
  transition:all .2s ease;
}
.link-cta:hover{color:var(--secondary);border-color:var(--secondary);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 2px 12px rgba(23,20,15,.08);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:18px;text-decoration:none;}
.brand:hover{color:var(--ink);}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);display:grid;place-items:center;flex:0 0 34px;}
.brand-mark svg{width:22px;height:22px;display:block;}
.brand-text{font-size:18px;font-weight:800;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-menu a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text);text-decoration:none;transition:all .2s ease;
}
.nav-menu a:hover{background:rgba(233,68,43,.08);color:var(--primary);}
.nav-menu a.active{color:var(--primary);}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.nav-cta{margin-left:auto;white-space:nowrap;}
.header-icons{display:none;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
  padding:12px 0;overflow-x:auto;white-space:nowrap;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb span{color:#C9BFB1;}
.crumb em{color:var(--ink);font-weight:600;}

/* ---------- 分类头图 ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;isolation:isolate;}
.cat-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;z-index:-2;}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(23,20,15,.92) 0%,rgba(23,20,15,.74) 55%,rgba(23,20,15,.46) 100%);
}
.cat-hero-inner{padding-top:64px;padding-bottom:70px;max-width:840px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--secondary);letter-spacing:.5px;margin-bottom:14px;
}
.cat-hero .eyebrow{color:var(--amber);}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px;}
.cat-hero h1{
  color:#fff;font-size:clamp(26px,4vw,36px);line-height:1.25;font-weight:800;
}
.cat-hero-desc{
  margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);max-width:660px;
}
.cat-hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-space) 0;}
.section-white{background:#fff;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,3.4vw,34px);line-height:1.25;}
.section-sub{margin-top:12px;font-size:16px;color:var(--muted);max-width:660px;}
.section-head .eyebrow{color:var(--secondary);margin-bottom:10px;}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.item-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;
}
.item-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.item-media{position:relative;aspect-ratio:16/10;background:var(--img-fallback);overflow:hidden;}
.item-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.item-card:hover .item-media img{transform:scale(1.04);}
.item-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.item-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.badge-soft{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  background:var(--secondary-soft);color:var(--secondary);font-size:13px;font-weight:700;
}
.spec-num{
  font-size:22px;font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;letter-spacing:0;
}
.item-card h3{font-size:20px;line-height:1.4;}
.item-desc{font-size:14px;line-height:1.8;color:var(--muted);}
.check-list{display:flex;flex-direction:column;gap:6px;margin-top:2px;}
.check-list li{display:flex;gap:8px;font-size:14px;line-height:1.7;color:var(--text);}
.check-list li::before{
  content:"✓";flex:0 0 auto;color:var(--secondary);font-weight:800;font-size:14px;line-height:1.7;
}
.item-body .link-cta{margin-top:auto;align-self:flex-start;}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.flow-step{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;transition:transform .25s ease,box-shadow .25s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);}
.flow-num{
  display:block;font-size:34px;font-weight:800;color:var(--secondary);opacity:.28;
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:12px;
}
.flow-step h3{font-size:18px;margin-bottom:8px;}
.flow-step p{font-size:14px;line-height:1.8;color:var(--muted);}

/* ---------- 对比表 ---------- */
.table-scroll{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;
}
.spec-table{width:100%;min-width:620px;border-collapse:collapse;font-size:15px;}
.spec-table thead th{
  background:#F5EEE4;color:var(--ink);font-weight:700;font-size:14px;
  padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.spec-table tbody th{
  text-align:left;font-weight:700;color:var(--ink);font-size:15px;
  padding:16px 20px;border-bottom:1px solid var(--line);background:#fff;white-space:nowrap;
}
.spec-table tbody td{
  padding:16px 20px;border-bottom:1px solid var(--line);color:var(--text);font-size:15px;
}
.spec-table tbody tr:last-child th,.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody td strong{color:var(--amber);font-weight:800;font-variant-numeric:tabular-nums;}

/* ---------- 深色保障带 ---------- */
.dark-band{background:var(--dark);color:rgba(255,255,255,.72);}
.dark-band h2{color:#fff;font-size:clamp(24px,3.4vw,34px);line-height:1.25;}
.dark-band .section-sub{color:rgba(255,255,255,.62);}
.dark-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:8px;}
.dark-cell{
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);
  padding:26px 22px;background:rgba(255,255,255,.03);
}
.dark-cell .stat-num{
  font-size:30px;font-weight:800;color:var(--amber);font-variant-numeric:tabular-nums;line-height:1.2;
}
.dark-cell h3{color:#fff;font-size:18px;margin:10px 0 8px;}
.dark-cell p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(233,68,43,.45);box-shadow:var(--shadow-sm);}
.faq-q{
  position:relative;width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:16px 20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--ink);transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-item.open .faq-q{color:var(--primary);}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--primary);border-radius:0 3px 3px 0;
}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;transition:transform .25s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-icon::before{left:0;right:0;top:8px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px;}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--dark);border-radius:var(--radius-lg);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,68,43,.35) 0%,rgba(233,68,43,0) 70%);
}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);line-height:1.3;position:relative;z-index:1;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.7);max-width:560px;position:relative;z-index:1;}
.cta-band .btn-main{position:relative;z-index:1;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);padding:64px 0 28px;margin-top:0;color:rgba(255,255,255,.72);}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;text-decoration:none;}
.footer-brand:hover{color:#fff;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px;}
.footer-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap;}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px;transition:color .2s ease;}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{color:rgba(255,255,255,.68);font-size:14px;line-height:1.7;}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.45);
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-space:84px;}
}
@media (max-width:991px){
  :root{--sec-space:72px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-menu{margin-left:6px;gap:2px;}
  .nav-menu a{padding:8px 10px;font-size:14px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
}
@media (max-width:767px){
  :root{--sec-space:60px;}
  body{padding-bottom:78px;}
  .container-x{padding:0 20px;}
  .nav-wrap{height:56px;gap:12px;}
  .nav-menu,.nav-cta{display:none;}
  .header-icons{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .header-icons a{
    width:38px;height:38px;display:grid;place-items:center;border-radius:10px;color:var(--ink);
  }
  .header-icons a:hover{background:rgba(233,68,43,.08);color:var(--primary);}
  .header-icons svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;}
  .brand-mark svg{width:19px;height:19px;}
  .brand-text{font-size:16px;}
  .cat-hero-inner{padding-top:48px;padding-bottom:52px;}
  .cat-hero-actions{flex-direction:column;}
  .cat-hero-actions .btn-main,.cat-hero-actions .btn-ghost{width:100%;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .flow-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .dark-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .section-head{margin-bottom:32px;}
  .cta-band{padding:32px 22px;}
  .cta-band .btn-main{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid > div:first-child{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    background:#fff;border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -2px 12px rgba(23,20,15,.06);
  }
  .mobile-tabbar a{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
    padding:8px 0 6px;font-size:11px;font-weight:600;color:#7A736A;text-decoration:none;
  }
  .mobile-tabbar a.active{color:var(--primary);}
  .mobile-tabbar svg{
    width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;
    stroke-linecap:round;stroke-linejoin:round;
  }
}
@media (max-width:575px){
  .item-card h3{font-size:18px;}
  .spec-num{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: category2 */
:root{
  --bs-primary:#E9442B;
  --bs-primary-rgb:233,68,43;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-body-color:#3C3830;
  --bs-body-bg:#FAF6F0;
  --bs-border-radius:16px;
  --bs-border-color:#E9E0D4;
  --bs-link-color:#B62F19;
  --bs-link-hover-color:#0F6B5C;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;

  --pri:#E9442B;
  --pri-dark:#B62F19;
  --pri-soft:rgba(233,68,43,.08);
  --sec:#0F6B5C;
  --sec-soft:#E3F1ED;
  --amber:#FFB020;
  --ink:#17140F;
  --bg:#FAF6F0;
  --card:#FFFFFF;
  --line:#E9E0D4;
  --text:#3C3830;
  --muted:#7A736A;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --r-img:14px;
  --sh:0 2px 8px rgba(23,20,15,.08);
  --sh-hover:0 10px 24px rgba(23,20,15,.12);
  --sec-pad:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--pri-dark);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--sec)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;
  background:var(--pri);color:#fff;
  border:1px solid var(--pri);
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  box-shadow:0 2px 8px rgba(233,68,43,.24);
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-main:hover,.btn-main:focus{background:var(--pri-dark);border-color:var(--pri-dark);color:#fff;box-shadow:0 10px 24px rgba(233,68,43,.28)}
.btn-main:active{transform:translateY(1px)}
.btn-main:focus-visible{outline:3px solid rgba(233,68,43,.30);outline-offset:2px}
.btn-main svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;
  background:transparent;color:#fff;
  border:1.5px solid rgba(255,255,255,.7);
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover,.btn-ghost:focus{background:#fff;color:var(--ink);border-color:#fff}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:3px solid rgba(255,255,255,.45);outline-offset:2px}

.btn-outline-sec{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;
  background:transparent;color:var(--sec);
  border:1.5px solid var(--sec);
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-outline-sec:hover,.btn-outline-sec:focus{background:var(--sec);color:#fff}
.btn-outline-sec:active{transform:translateY(1px)}
.btn-outline-sec:focus-visible{outline:3px solid rgba(15,107,92,.28);outline-offset:2px}

.btn-on-dark{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;
  background:transparent;color:#fff;
  border:1.5px solid rgba(255,255,255,.28);
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-on-dark:hover,.btn-on-dark:focus{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff}

.link-cta{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--pri);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.link-cta:hover{color:var(--sec)}
.link-cta svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.link-cta:hover svg{transform:translateX(3px)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 12px rgba(23,20,15,.08)}
.nav-wrap{
  height:72px;display:flex;align-items:center;gap:28px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,#E9442B,#B62F19);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(233,68,43,.28);
}
.brand-mark svg{width:23px;height:23px}
.brand-text{font-size:18px;letter-spacing:.5px}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-menu a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text);
  transition:background-color .2s ease,color .2s ease;
}
.nav-menu a:hover{background:var(--pri-soft);color:var(--pri-dark)}
.nav-menu a.active{
  color:var(--pri);background:var(--pri-soft);
  box-shadow:inset 0 -2px 0 var(--pri);
}
.nav-cta{margin-left:auto;height:44px;padding:0 20px;font-size:14px}
.header-icons{display:none;margin-left:auto;gap:6px}
.header-icons a{
  width:38px;height:38px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;
}
.header-icons svg{width:19px;height:19px;stroke:var(--text);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.header-icons a:hover{background:var(--pri-soft);border-color:rgba(233,68,43,.35)}
.header-icons a:hover svg{stroke:var(--pri)}

/* ============ 分类头图 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:44px 0 96px;
  isolation:isolate;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(150deg,rgba(23,20,15,.9) 0%,rgba(23,20,15,.72) 46%,rgba(15,107,92,.5) 100%);
}
.page-hero .stripes{
  position:absolute;right:-40px;bottom:-40px;width:420px;height:260px;
  background:repeating-linear-gradient(45deg,rgba(255,176,32,.16) 0 10px,transparent 10px 26px);
  transform:rotate(-6deg);opacity:.5;z-index:-1;pointer-events:none;
}
.crumbs{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.62);
  white-space:nowrap;overflow-x:auto;
}
.crumbs a{color:rgba(255,255,255,.62)}
.crumbs a:hover{color:#fff}
.crumbs .cur{color:#fff}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;align-items:center;margin-top:28px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,176,32,.14);
  border:1px solid rgba(255,176,32,.45);
  color:var(--amber);font-size:13px;font-weight:700;
  margin-bottom:18px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(26px,4vw,36px);
  line-height:1.25;
  font-weight:800;
  margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--amber)}
.hero-lead{
  font-size:17px;line-height:1.75;color:rgba(255,255,255,.78);
  max-width:560px;margin-bottom:28px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}

/* 实时数据面板 */
.live-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  padding:22px;
  backdrop-filter:blur(2px);
}
.live-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.live-head h2{font-size:15px;color:#fff;font-weight:700;letter-spacing:.3px}
.live-state{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--amber);font-weight:700}
.dot{
  width:8px;height:8px;border-radius:50%;background:var(--amber);
  box-shadow:0 0 0 4px rgba(255,176,32,.2);
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.86)}}
.live-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.14);
  font-size:14px;color:rgba(255,255,255,.75);
}
.live-row:last-child{border-bottom:0;padding-bottom:0}
.live-row b{color:#fff;font-weight:700}
.live-row .val{color:var(--amber);font-weight:800;font-variant-numeric:tabular-nums}
.badge-soft{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--sec-soft);color:var(--sec);
  font-size:13px;font-weight:700;
}
.badge-line{
  display:inline-block;padding:4px 12px;border-radius:999px;
  border:1px solid rgba(255,176,32,.5);color:var(--amber);
  font-size:13px;font-weight:700;
}

/* ============ 指标条 ============ */
.metrics{margin-top:-52px;position:relative;z-index:2}
.metrics-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  padding:28px 8px;
  display:grid;grid-template-columns:repeat(4,1fr);
}
.metric{
  padding:6px 24px;
  border-right:1px solid var(--line);
}
.metric:last-child{border-right:0}
.metric .val{
  font-size:32px;font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.2;
  display:flex;align-items:baseline;gap:4px;
}
.metric .val small{font-size:15px;font-weight:700;color:var(--muted)}
.metric .cap{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.6}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-pad) 0}
.section-tight{padding:72px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--sec);
  letter-spacing:1px;margin-bottom:12px;
}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--sec);border-radius:2px}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);line-height:1.25;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px;max-width:640px}
.section-dark{background:var(--ink);color:rgba(255,255,255,.78)}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark .sec-head p{color:rgba(255,255,255,.66)}

/* ============ 场景条目卡 ============ */
.scenes-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.scene-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(233,68,43,.32)}
.scene-media{position:relative;aspect-ratio:16/10;background:#EFE8DE;overflow:hidden}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.scene-card:hover .scene-media img{transform:scale(1.04)}
.scene-tag{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;border-radius:999px;
  background:rgba(23,20,15,.72);color:#fff;
  font-size:12px;font-weight:700;
  backdrop-filter:blur(2px);
}
.scene-body{padding:22px;display:flex;flex-direction:column;flex:1}
.scene-body h3{font-size:19px;font-weight:700;margin-bottom:10px}
.scene-body .desc{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px}
.points{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.points li{
  display:flex;align-items:flex-start;gap:9px;
  font-size:14px;color:var(--text);line-height:1.65;
}
.points svg{width:16px;height:16px;flex:0 0 auto;margin-top:4px;stroke:var(--sec);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.scene-body .link-cta{margin-top:auto}
.scenes-grid > .scene-card:nth-child(2),
.scenes-grid > .scene-card:nth-child(5){transform:translateY(24px)}
.scenes-grid > .scene-card:nth-child(2):hover,
.scenes-grid > .scene-card:nth-child(5):hover{transform:translateY(20px)}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px}
.flow-step{
  position:relative;
  padding:24px 22px 26px;
  border-radius:var(--r-card);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  transition:background-color .25s ease,border-color .25s ease,transform .25s ease;
}
.flow-step:hover{background:rgba(255,255,255,.09);border-color:rgba(255,176,32,.4);transform:translateY(-4px)}
.flow-step .idx{
  font-size:34px;font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1;display:block;margin-bottom:14px;
}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.flow-step p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66)}
.flow-step::after{
  content:"";position:absolute;right:-13px;top:44px;
  width:14px;height:2px;background:rgba(255,176,32,.4);
}
.flow-step:last-child::after{display:none}

/* ============ 对比表 ============ */
.table-scroll{overflow-x:auto;border-radius:var(--r-card);border:1px solid var(--line);background:#fff}
table.compare{
  width:100%;min-width:640px;border-collapse:collapse;
  font-size:15px;
}
table.compare th,table.compare td{
  padding:16px 20px;text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  background:#F5EFE6;font-size:14px;font-weight:800;color:var(--ink);
  white-space:nowrap;
}
table.compare thead th.hl{color:var(--pri)}
table.compare tbody th{
  font-weight:700;color:var(--ink);background:#FBF8F3;width:180px;
}
table.compare tbody tr:last-child th,
table.compare tbody tr:last-child td{border-bottom:0}
table.compare td{color:var(--muted)}
table.compare td b{color:var(--ink);font-weight:700}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-card)!important;
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:none;
}
.accordion-button{
  font-size:16px;font-weight:700;color:var(--ink);
  padding:16px 22px;line-height:1.6;
  background:#fff;border-radius:var(--r-card)!important;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){
  color:var(--pri);
  background:#fff;
  box-shadow:inset 3px 0 0 var(--pri)!important;
}
.accordion-button:focus{box-shadow:inset 3px 0 0 var(--pri)!important;border-color:transparent}
.accordion-button::after{
  content:"+";
  background-image:none!important;
  width:26px;height:26px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:600;color:var(--pri);
  line-height:1;margin-left:14px;
  transform:rotate(0deg);
  transition:transform .25s ease,color .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--sec)}
.accordion-body{
  font-size:15px;line-height:1.85;color:var(--muted);
  padding:2px 22px 22px 22px;
}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--ink);
  position:relative;overflow:hidden;
  padding:64px 0;
  color:#fff;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.16;
}
.cta-band::after{
  content:"";position:absolute;left:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,68,43,.30),transparent 68%);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,3vw,30px);color:#fff;margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.72);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);padding:72px 0 28px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;margin-bottom:20px}
.footer-actions{display:flex;gap:12px;flex-wrap:wrap}
.footer-actions .btn-main,.footer-actions .btn-on-dark{height:44px;padding:0 20px;font-size:14px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--pri)}
.footer-contact li{font-size:14px;line-height:1.7;color:rgba(255,255,255,.68)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:12px;color:rgba(255,255,255,.45);
}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:#fff;
  border-top:1px solid var(--line);
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  box-shadow:0 -4px 16px rgba(23,20,15,.06);
}
.mobile-tab ul{display:flex;align-items:stretch}
.mobile-tab li{flex:1}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:6px 0;font-size:11px;font-weight:600;color:#7A736A;
}
.mobile-tab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mobile-tab a.active{color:var(--pri)}
.mobile-tab a:hover{color:var(--pri)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container-x{max-width:100%}
}
@media (max-width:1023.98px){
  :root{--sec-pad:76px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .scenes-grid{grid-template-columns:repeat(2,1fr)}
  .scenes-grid > .scene-card:nth-child(2),
  .scenes-grid > .scene-card:nth-child(5){transform:translateY(18px)}
  .scenes-grid > .scene-card:nth-child(2):hover,
  .scenes-grid > .scene-card:nth-child(5):hover{transform:translateY(14px)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .flow-step:nth-child(2)::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .metrics-card{grid-template-columns:repeat(2,1fr);gap:0}
  .metric{padding:16px 22px}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:767.98px){
  body{padding-bottom:76px;font-size:15px}
  .nav-menu,.nav-cta{display:none}
  .header-icons{display:flex}
  .nav-wrap{height:56px;gap:12px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .brand-text{font-size:16px}
  .mobile-tab{display:block}
  .page-hero{padding:30px 0 88px}
  .container-x{padding:0 20px}
  :root{--sec-pad:60px}
  .metrics{margin-top:-44px}
  .metrics-card{grid-template-columns:1fr;padding:10px 4px}
  .metric{border-right:0;border-bottom:1px solid var(--line);padding:14px 18px}
  .metric:last-child{border-bottom:0}
  .scenes-grid{grid-template-columns:1fr}
  .scenes-grid > .scene-card:nth-child(2),
  .scenes-grid > .scene-card:nth-child(5){transform:none}
  .scenes-grid > .scene-card:nth-child(2):hover,
  .scenes-grid > .scene-card:nth-child(5):hover{transform:translateY(-4px)}
  .flow-grid{grid-template-columns:1fr}
  .flow-step::after{display:none}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:6px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions a{flex:1 1 auto;justify-content:center}
  .hero-btns{width:100%}
  .hero-btns a{flex:1 1 100%;justify-content:center}
}
@media (max-width:520px){
  .page-hero h1{font-size:25px}
  .hero-lead{font-size:15px}
  .metric .val{font-size:27px}
  .sec-head h2{font-size:23px}
  .accordion-button{font-size:15px;padding:14px 18px}
  .accordion-body{padding:0 18px 18px}
  .scene-body{padding:18px}
  .footer-actions a{flex:1 1 auto;justify-content:center}
}