/* roulang page: index */
:root{
  --brand:#E1571C;
  --brand-hover:#BE4412;
  --brand-active:#A93A0C;
  --brand-soft:#FDECE3;
  --teal:#2C7A6B;
  --teal-soft:#E7F1EE;
  --ink:#1C2626;
  --ink-2:#4A5754;
  --ink-3:#8A938F;
  --bg:#FAF6F0;
  --bg-alt:#F1EBE1;
  --card:#FFFFFF;
  --line:#E6DFD3;
  --amber:#B98A16;
  --r-card:14px;
  --r-input:8px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(28,38,38,.05);
  --sh-2:0 14px 34px -20px rgba(28,38,38,.35);
  --sh-3:0 30px 70px -30px rgba(28,38,38,.45);
  --bs-primary:#E1571C;
  --bs-primary-rgb:225,87,28;
  --bs-body-color:#1C2626;
  --bs-body-bg:#FAF6F0;
  --bs-border-color:#E6DFD3;
  --bs-link-color:#BE4412;
  --bs-link-hover-color:#A93A0C;
  --bs-font-sans-serif:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  --bs-body-font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-hover);text-decoration:none;transition:color .18s ease,border-color .18s ease}
a:hover{color:var(--brand-active)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);line-height:1.3}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(225,87,28,.25);outline-offset:2px;border-radius:4px}

.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
@media (min-width:1200px){.container{max-width:1200px}}

/* ============ 导航 ============ */
.site-nav{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:height .18s ease,box-shadow .18s ease;
}
.site-nav .nav-inner{
  height:68px;display:flex;align-items:center;gap:24px;
  transition:height .18s ease;
}
.site-nav.is-scrolled{box-shadow:0 8px 24px -18px rgba(28,38,38,.45)}
.site-nav.is-scrolled .nav-inner{height:58px}
.brand{display:flex;align-items:center;gap:10px;position:relative;padding-left:12px}
.brand::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:20px;background:var(--brand);border-radius:2px;transition:width .18s ease;
}
.brand:hover::before{width:3px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex:none;
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.brand:hover .brand-text{color:var(--brand-hover)}
.nav-links{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav-links a{
  display:inline-block;padding:8px 14px;font-size:15px;color:var(--ink-2);font-weight:500;
  border-radius:var(--r-input);transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{color:var(--brand-hover);background:var(--brand-soft)}
.nav-links a.is-active{color:var(--brand-hover);font-weight:600;background:transparent;box-shadow:inset 0 -2px 0 var(--brand)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{position:relative}
.nav-search i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:13px}
.nav-search input{
  width:200px;height:40px;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 14px 0 32px;font-size:14px;background:#fff;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(225,87,28,.12)}
.nav-toggle{
  width:42px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-input);
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
@media (max-width:991.98px){
  .nav-toggle{display:flex}
  .nav-links,.nav-right{display:none}
  .site-nav.is-open .nav-links,
  .site-nav.is-open .nav-right{
    display:flex;flex-direction:column;align-items:stretch;gap:8px;
    position:absolute;left:0;right:0;top:100%;background:#fff;padding:16px 20px 20px;
    border-bottom:1px solid var(--line);box-shadow:0 20px 40px -30px rgba(28,38,38,.5);
  }
  .site-nav.is-open .nav-links a{padding:10px 12px}
  .site-nav.is-open .nav-search input{width:100%}
  .site-nav.is-open .btn-brand{width:100%;justify-content:center}
}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:var(--r-input);border:1px solid var(--brand);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-brand:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(225,87,28,.9)}
.btn-brand:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:var(--r-input);border:1px solid var(--brand);
  background:transparent;color:var(--brand-hover);font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .18s ease,transform .18s ease,color .18s ease;
}
.btn-ghost:hover{background:rgba(225,87,28,.08);color:var(--brand-active);transform:translateY(-1px)}
.btn-lgx{height:48px;padding:0 28px;font-size:16px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--brand-hover)}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(3px)}
.text-link{color:var(--brand-hover);border-bottom:1px solid currentColor;padding-bottom:1px}
.text-link:hover{color:var(--brand-active)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:
    repeating-linear-gradient(115deg,rgba(28,38,38,.045) 0 1px,transparent 1px 12px),
    var(--bg);
  padding:72px 0 84px;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--amber);letter-spacing:.4px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--amber);display:block}
.hero h1{font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:-.5px;margin-bottom:18px}
.hero-sub{font-size:17px;color:var(--ink-2);margin-bottom:28px;max-width:520px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.trust-bar{display:flex;flex-wrap:wrap;gap:10px 22px}
.trust-bar li{position:relative;padding-left:14px;font-size:14px;color:var(--ink-3)}
.trust-bar li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--brand)}
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;background:rgba(225,87,28,.12);
  box-shadow:var(--sh-2);
  clip-path:polygon(0 0,calc(100% - 44px) 0,100% 44px,100% 100%,0 100%);
}
.hero-frame img{width:100%;aspect-ratio:5/4;object-fit:cover}
.hero-frame::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--brand)}
.hero-badge{
  position:absolute;right:-14px;bottom:26px;width:64px;height:64px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;
}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero{padding:48px 0 56px}
  .hero-visual{order:2}
  .hero-frame img{aspect-ratio:16/10}
}
@media (max-width:767.98px){
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .hero-badge{right:8px;bottom:16px;width:54px;height:54px;font-size:17px}
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:40px;max-width:760px}
.section-head .kicker{font-size:13px;font-weight:700;color:var(--brand-hover);letter-spacing:1px;margin-bottom:10px;display:block}
.section-head h2{font-size:30px;font-weight:800;letter-spacing:-.3px;margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:15.5px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .head-row{flex-direction:column;align-items:flex-start;gap:12px}
}

/* ============ 痛点问句 ============ */
.pain-list{border-top:1px solid var(--line)}
.pain-item{display:grid;grid-template-columns:76px 1fr;gap:22px;padding:28px 0;border-bottom:1px solid var(--line)}
.pain-num{font-size:38px;font-weight:800;color:var(--brand);line-height:1;font-variant-numeric:tabular-nums;opacity:.9}
.pain-item h3{font-size:20px;font-weight:600;margin-bottom:8px}
.pain-item p{font-size:15px;color:var(--ink-2);margin:0;max-width:760px}
@media (max-width:767.98px){
  .pain-item{grid-template-columns:1fr;gap:10px;padding:22px 0}
  .pain-num{font-size:28px}
  .pain-item h3{font-size:18px}
}

/* ============ 方案卡片（非对称） ============ */
.plan-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px}
.plan-main{
  grid-row:span 2;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:0;overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.plan-main:hover{transform:translateY(-3px);border-color:rgba(225,87,28,.4);box-shadow:var(--sh-2)}
.plan-main .thumb{background:rgba(225,87,28,.12);width:100%;aspect-ratio:16/9;object-fit:cover}
.plan-main .body{padding:26px;display:flex;flex-direction:column;flex:1}
.plan-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.plan-side:hover{transform:translateY(-3px);border-color:rgba(225,87,28,.4);box-shadow:var(--sh-2)}
.chip-num{
  display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:24px;padding:0 8px;
  border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-hover);
  font-size:12px;font-weight:700;letter-spacing:.5px;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.plan-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.plan-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px}
.plan-points{margin:0 0 20px;display:grid;gap:8px}
.plan-points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2)}
.plan-points li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border:2px solid var(--teal);border-radius:50%}
.plan-card .link-arrow{margin-top:auto}
@media (max-width:991.98px){
  .plan-grid{grid-template-columns:1fr}
  .plan-main{grid-row:auto}
}

/* ============ 数据横条 ============ */
.stat-band{
  background:
    repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 1px,transparent 1px 12px),
    var(--ink);
  border-top:3px solid var(--brand);
  padding:56px 0 52px;color:#fff;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:0 24px;border-left:1px solid rgba(255,255,255,.14)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-size:44px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums;margin-bottom:8px}
.stat-item:nth-child(2) .stat-num,.stat-item:nth-child(4) .stat-num{color:#5FBBA6}
.stat-desc{font-size:14px;color:rgba(255,255,255,.72);line-height:1.6}
@media (max-width:767.98px){
  .stat-band{padding:40px 0}
  .stat-grid{grid-template-columns:1fr 1fr;gap:28px 0}
  .stat-item{padding:0 16px}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .stat-num{font-size:34px}
}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step{position:relative;padding-right:28px}
.step::after{
  content:"";position:absolute;right:12px;top:14px;width:calc(100% - 40px);
  border-top:1px dashed var(--line);
}
.step:last-child::after{display:none}
.step-node{
  width:28px;height:28px;border-radius:50%;border:2px solid var(--brand);background:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--brand-hover);
  margin-bottom:16px;position:relative;z-index:1;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);margin:0}
@media (max-width:991.98px){
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 26px 40px;position:relative}
  .step::after{
    left:13px;top:30px;right:auto;width:0;height:calc(100% - 26px);border-top:0;border-left:1px dashed var(--line);
  }
  .step-node{position:absolute;left:0;top:0;margin:0}
  .step:last-child{padding-bottom:0}
}

/* ============ 最新信息 ============ */
.news-list{display:grid;gap:20px}
.news-card{
  display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:stretch;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(225,87,28,.4);box-shadow:var(--sh-2)}
.news-thumb{
  display:block;border-radius:var(--r-img);overflow:hidden;background:rgba(225,87,28,.12);
}
.news-thumb img{width:100%;height:100%;min-height:130px;object-fit:cover}
.news-body{display:flex;flex-direction:column;min-width:0}
.news-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--teal-soft);color:var(--teal);font-size:12px;font-weight:600;
}
.news-title{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px}
.news-title a{color:var(--ink)}
.news-title a:hover{color:var(--brand-hover)}
.news-excerpt{
  font-size:14px;color:var(--ink-2);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-3)}
.news-meta .sep{width:1px;height:12px;background:var(--line)}
.empty-state{
  min-height:220px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:32px;
}
.empty-state i{font-size:30px;color:var(--ink-3)}
.empty-state p{color:var(--ink-2);font-size:15px;margin:0}
@media (max-width:767.98px){
  .news-card{grid-template-columns:1fr;padding:16px}
  .news-thumb img{min-height:0;height:170px}
}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 18px;position:relative;
  font-size:17px;font-weight:600;color:var(--ink);transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:22px;background:var(--brand);border-radius:2px;transition:width .18s ease;
}
.faq-item summary::after{
  content:"+";position:absolute;right:12px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--ink-3);line-height:1;transition:color .18s ease;
}
.faq-item[open] summary{color:var(--brand-hover)}
.faq-item[open] summary::before{width:3px}
.faq-item[open] summary::after{content:"−";color:var(--brand)}
.faq-answer{padding:0 44px 24px 18px;font-size:15px;color:var(--ink-2);line-height:1.75;max-width:900px}

/* ============ 表单 & CTA ============ */
.lead-block{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px;display:grid;grid-template-columns:1fr 1.1fr;gap:44px;
  box-shadow:var(--sh-1);
}
.lead-block h2{font-size:26px;font-weight:800;margin-bottom:14px}
.lead-block .lead-desc{font-size:15px;color:var(--ink-2);margin-bottom:22px}
.lead-points{display:grid;gap:10px}
.lead-points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2)}
.lead-points li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field .form-control,.field .form-select{
  width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 14px;font-size:15px;background:#fff;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea.form-control{height:110px;padding:12px 14px;resize:vertical;line-height:1.7}
.field .form-control:focus,.field .form-select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(225,87,28,.12);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-check{display:flex;align-items:flex-start;gap:9px;margin:14px 0 18px;font-size:13.5px;color:var(--ink-2)}
.form-check input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);flex:none}
.form-note{font-size:13px;color:var(--amber);margin-top:12px;display:none}
.form-note.is-on{display:block}
@media (max-width:991.98px){
  .lead-block{grid-template-columns:1fr;padding:28px;gap:28px}
}
@media (max-width:767.98px){
  .field-row{grid-template-columns:1fr}
  .lead-block{padding:22px}
  .lead-block .btn-brand{width:100%}
}

/* ============ 弹层 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,38,38,.5);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:460px;max-width:100%;background:#fff;
  border-top:4px solid var(--brand);box-shadow:var(--sh-3);z-index:1060;
  transform:translateX(102%);transition:transform .22s ease;display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:24px 24px 16px;border-bottom:1px solid var(--line)}
.drawer-head h3{font-size:19px;font-weight:700}
.drawer-head p{font-size:13.5px;color:var(--ink-3);margin:6px 0 0}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-input);
  display:flex;align-items:center;justify-content:center;color:var(--ink-2);cursor:pointer;flex:none;
  transition:border-color .18s ease,color .18s ease;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-body{padding:20px 24px 28px;overflow-y:auto}
.drawer .form-check{font-size:13px}
@media (max-width:767.98px){
  .drawer{width:100%;height:100%;border-radius:0}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);border-top:3px solid var(--brand);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--brand)}
.footer-brand span{color:#fff;font-size:17px;font-weight:700}
.site-footer p{font-size:14px;color:rgba(255,255,255,.72);margin:0;line-height:1.75}
.footer-col h4{
  font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;position:relative;padding-left:14px;
}
.footer-col h4::before{content:"";position:absolute;left:0;top:7px;width:12px;height:2px;background:var(--brand)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;font-size:13px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--brand)}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand:#E1571C;
  --brand-hover:#BE4412;
  --brand-active:#A93A0C;
  --brand-soft:#FDECE3;
  --green:#2C7A6B;
  --green-soft:#E7F1EE;
  --ink:#1C2626;
  --text-2:#4A5754;
  --text-3:#8A938F;
  --bg:#FAF6F0;
  --bg-alt:#F1EBE1;
  --card:#FFFFFF;
  --line:#E6DFD3;
  --warn:#B98A16;
  --r-card:14px;
  --r-input:8px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(28,38,38,.05);
  --sh-2:0 14px 34px -20px rgba(28,38,38,.35);
  --sh-3:0 30px 70px -30px rgba(28,38,38,.45);
  --font:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*,*::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:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-hover);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(225,87,28,.28);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease,padding .18s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -16px rgba(28,38,38,.45);}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;transition:height .18s ease;}
.site-header.is-scrolled .header-inner{height:58px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px;letter-spacing:.2px;position:relative;padding-left:0;}
.brand:hover{color:var(--ink);}
.brand::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--brand);border-radius:2px;transition:height .18s ease;
}
.brand:hover::before{height:22px;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;font-size:15px;
}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-links a{
  position:relative;color:var(--text-2);font-size:15px;line-height:1;padding:10px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:40px;padding:0 14px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;font-size:14px;outline:none;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(225,87,28,.14);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-input);border:1px solid transparent;
  padding:12px 22px;font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(225,87,28,.75);}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 16px 28px -16px rgba(190,68,18,.8);}
.btn-primary:active{background:var(--brand-active);transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(225,87,28,.08);color:var(--brand-hover);border-color:var(--brand-hover);}
.btn-sm{padding:10px 18px;font-size:14px;height:40px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.link-arrow i{transition:transform .18s ease;}
.link-arrow:hover i{transform:translateX(2px);}
.nav-toggle{
  display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.mobile-panel{border-top:1px solid var(--line);background:#fff;}
.mobile-panel-inner{padding:16px 24px 22px;display:flex;flex-direction:column;gap:14px;}
.mobile-panel .search-box{width:100%;}
.mobile-panel .nav-links{flex-direction:column;align-items:flex-start;gap:0;}
.mobile-panel .nav-links a{width:100%;padding:12px 0;border-bottom:1px solid var(--line);}
.mobile-panel .nav-links a::after{display:none;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  background:var(--bg);
  background-image:repeating-linear-gradient(115deg, rgba(28,38,38,.045) 0 1px, transparent 1px 12px);
  padding:56px 0 60px;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.breadcrumb-bar{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;}
.breadcrumb-bar a{color:var(--text-3);}
.breadcrumb-bar a:hover{color:var(--brand);}
.breadcrumb-bar i{font-size:10px;color:var(--text-3);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--warn);font-size:13px;font-weight:600;letter-spacing:.5px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--warn);border-radius:2px;}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.28;font-weight:800;letter-spacing:-.2px;
  margin:14px 0 16px;
}
.hero-lead{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-media{
  position:relative;padding:1px;background:var(--line);
  border-radius:var(--r-img);
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%);
  box-shadow:var(--sh-2);
}
.hero-media img{
  width:100%;height:290px;object-fit:cover;border-radius:var(--r-img) 0 var(--r-img) var(--r-img);
  clip-path:polygon(0 0,calc(100% - 17px) 0,100% 17px,100% 100%,0 100%);
}
.hero-media::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--brand);
}
.hero-media .media-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(28,38,38,.78);color:#fff;font-size:12px;letter-spacing:.4px;
  padding:6px 12px;border-radius:var(--r-pill);
}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.hero-facts span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ---------- doc layout ---------- */
.doc-section{padding:72px 0 80px;background:#fff;border-top:1px solid var(--line);}
.doc-grid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:44px;align-items:start;}
.anchor-nav{
  position:sticky;top:96px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 18px;box-shadow:var(--sh-1);
}
.anchor-title{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:1px;margin-bottom:12px;}
.anchor-nav a{
  display:block;position:relative;font-size:14px;color:var(--text-2);
  padding:9px 0 9px 14px;border-bottom:1px dashed var(--line);
}
.anchor-nav a:last-child{border-bottom:0;}
.anchor-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--brand);border-radius:2px;transition:height .18s ease;
}
.anchor-nav a:hover{color:var(--brand);}
.anchor-nav a.is-active{color:var(--brand);font-weight:600;}
.anchor-nav a.is-active::before{height:18px;}
.doc-body{max-width:820px;}
.doc-block{padding-bottom:44px;margin-bottom:44px;border-bottom:1px solid var(--line);}
.doc-block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.doc-block h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.5;
  padding-left:16px;margin-bottom:18px;
}
.doc-block h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--brand);border-radius:2px;
}
.doc-block h2 em{font-style:normal;color:var(--brand);font-size:15px;font-weight:700;margin-right:8px;font-variant-numeric:tabular-nums;}
.doc-block h3{font-size:19px;font-weight:600;margin:26px 0 10px;}
.doc-block p{color:var(--text-2);margin-bottom:14px;}
.doc-block p strong{color:var(--ink);}
.doc-list{margin:18px 0 22px;display:grid;gap:12px;}
.doc-list li{
  position:relative;padding-left:26px;color:var(--text-2);font-size:15px;
}
.doc-list li::before{
  content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;
  border-radius:2px;background:var(--brand);transform:rotate(45deg);
}
.step-list{counter-reset:step;margin:18px 0 24px;display:grid;gap:14px;}
.step-list li{
  counter-increment:step;position:relative;padding:16px 18px 16px 58px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  font-size:15px;color:var(--text-2);
}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:18px;top:16px;
  font-size:14px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
}
.step-list li b{display:block;color:var(--ink);font-weight:600;margin-bottom:2px;}
.doc-figure{margin:22px 0 6px;}
.doc-figure img{
  width:100%;height:250px;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);
}
.doc-figure figcaption{font-size:13px;color:var(--text-3);margin-top:10px;line-height:1.6;}
.doc-note{
  background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:0 var(--r-card) var(--r-card) 0;
  padding:16px 20px;font-size:15px;color:var(--text-2);margin:20px 0;
}
.comply-bar{
  display:flex;align-items:flex-start;gap:12px;
  background:#FBF4E2;border:1px solid rgba(185,138,22,.4);border-radius:var(--r-card);
  padding:16px 20px;font-size:14px;color:#7A5C10;margin-top:8px;
}
.comply-bar i{color:var(--warn);margin-top:3px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  background-image:repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 1px, transparent 1px 12px);
  border-top:3px solid var(--brand);
  padding:64px 0;
}
.cta-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;font-weight:700;line-height:1.45;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-band .btn-primary:focus-visible{outline-color:rgba(255,255,255,.6);}
.cta-privacy{font-size:13px;color:rgba(255,255,255,.6);}
.cta-privacy a{color:#fff;text-decoration:underline;text-underline-offset:3px;}

/* ---------- related ---------- */
.related-section{padding:80px 0;background:var(--bg-alt);border-top:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:28px;font-weight:700;}
.section-head p{font-size:15px;color:var(--text-2);margin-top:8px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;height:100%;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(225,87,28,.4);}
.related-card img{width:100%;height:158px;object-fit:cover;}
.related-card .rc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge-cat{
  align-self:flex-start;background:var(--green-soft);color:var(--green);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);
}
.related-card h3{font-size:17px;font-weight:600;line-height:1.55;}
.related-card p{font-size:14px;color:var(--text-2);line-height:1.7;flex:1;}
.related-card .link-arrow{margin-top:2px;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);
  border-top:3px solid var(--brand);padding:60px 0 0;font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px;}
.footer-col h4{
  position:relative;color:#fff;font-size:14px;font-weight:700;
  padding-left:16px;margin-bottom:16px;
}
.footer-col h4::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:12px;height:2px;background:var(--brand);border-radius:2px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--brand);}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:8px;font-size:14px;}
.footer-col p{line-height:1.75;max-width:280px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.8);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-media img{height:260px;}
}
@media (max-width:991px){
  .nav-links,.header-tools{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:44px 0 48px;}
  .hero-media img{height:240px;}
  .doc-grid{grid-template-columns:1fr;gap:28px;}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;}
  .anchor-title{width:100%;margin-bottom:4px;}
  .anchor-nav a{border-bottom:0;padding:6px 0 6px 12px;font-size:13px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .doc-section{padding:52px 0 56px;}
  .doc-block h2{font-size:21px;}
  .doc-block h3{font-size:18px;}
  .doc-figure img{height:190px;}
  .related-grid{grid-template-columns:1fr;}
  .related-section{padding:56px 0;}
  .cta-band{padding:48px 0;}
  .cta-band h2{font-size:23px;}
  .cta-actions{align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  body{font-size:15px;}
  .header-inner{height:60px;gap:12px;}
  .brand{font-size:16px;}
  .page-hero h1{font-size:27px;}
  .hero-lead{font-size:15px;}
  .hero-facts{gap:14px;}
  .hero-media img{height:186px;}
  .related-card img{height:170px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .step-list li{padding:14px 16px 14px 52px;}
  .step-list li::before{left:16px;top:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#E1571C;
  --brand-hover:#BE4412;
  --brand-active:#A93A0C;
  --brand-soft:#FDECE3;
  --green:#2C7A6B;
  --green-soft:#E7F1EE;
  --ink:#1C2626;
  --ink-2:#4A5754;
  --ink-3:#8A938F;
  --bg:#FAF6F0;
  --bg-alt:#F1EBE1;
  --card:#FFFFFF;
  --line:#E6DFD3;
  --amber:#B98A16;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,38,38,.05);
  --sh-2:0 14px 34px -20px rgba(28,38,38,.35);
  --sh-3:0 30px 70px -30px rgba(28,38,38,.45);
  --t:200ms ease;
  --font:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t)}
a:hover{color:var(--brand-hover)}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35;color:var(--ink)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(225,87,28,.28);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),height var(--t);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height var(--t)}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.site-header.is-scrolled .header-inner{height:58px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px;letter-spacing:.2px;position:relative;padding-left:2px}
.brand:hover{color:var(--ink)}
.brand::before{
  content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--brand);border-radius:2px;transition:height var(--t);
}
.brand:hover::before{height:22px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;flex:none;
}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-links a{
  position:relative;color:var(--ink-2);font-size:15px;font-weight:500;padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand);font-weight:600}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  position:relative;display:flex;align-items:center;width:200px;height:40px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  transition:border-color var(--t),box-shadow var(--t);
}
.search-box i{position:absolute;left:14px;color:var(--ink-3);font-size:13px}
.search-box input{
  width:100%;height:100%;border:0;background:transparent;padding:0 14px 0 34px;
  font-size:14px;color:var(--ink);border-radius:var(--r-pill);
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{outline:none}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(225,87,28,.12)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;
  padding:12px 22px;border:1px solid transparent;cursor:pointer;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  line-height:1.2;
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(225,87,28,.85)}
.btn-primary:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(225,87,28,.08);color:var(--brand-hover);border-color:var(--brand-hover)}
.btn-cta{height:40px;padding:0 20px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);border-bottom:1px solid transparent}
.link-arrow i{transition:transform var(--t)}
.link-arrow:hover i{transform:translateX(2px)}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 20px 22px}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:block;padding:12px 0;font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-panel a.is-active{color:var(--brand)}
.mobile-panel .search-box{width:100%;margin:16px 0 14px}
.mobile-panel .btn{width:100%}

/* ---------- breadcrumb ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:#fff}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px;color:var(--ink-3);padding:16px 0}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--line)}
.crumb .current{color:var(--ink);font-weight:500}

/* ---------- article head ---------- */
.article-head{padding:48px 0 32px;background:#fff;border-bottom:1px solid var(--line)}
.article-head-inner{max-width:860px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--green-soft);color:var(--green);
  border-radius:var(--r-pill);padding:5px 14px;font-size:13px;font-weight:600;
}
.article-head h1{
  font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:-.2px;
  margin:18px 0 14px;position:relative;padding-bottom:18px;
}
.article-head h1::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:3px;background:var(--brand);border-radius:2px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:14px;color:var(--ink-3)}
.article-meta .divider{width:1px;height:13px;background:var(--line)}

/* ---------- layout ---------- */
.article-main{padding:48px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}

/* ---------- article body ---------- */
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px 44px;box-shadow:var(--sh-1);
  font-size:17px;line-height:1.92;color:var(--ink-2);
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:24px;font-weight:700;color:var(--ink);
  margin:2em 0 .8em;padding-left:14px;position:relative;line-height:1.45;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;background:var(--brand);border-radius:2px}
.article-body h3{font-size:20px;font-weight:600;color:var(--ink);margin:1.6em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em}
.article-body ul{list-style:none}
.article-body ul>li{position:relative;padding-left:18px;margin-bottom:.55em}
.article-body ul>li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.article-body ol{list-style:decimal;padding-left:1.6em}
.article-body ol>li{margin-bottom:.55em;padding-left:4px}
.article-body ol>li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:18px auto;height:auto}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(225,87,28,.4)}
.article-body a:hover{color:var(--brand-hover);border-bottom-color:var(--brand-hover)}
.article-body strong{color:var(--ink);font-weight:600}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;
}
.article-body thead th{background:var(--bg-alt);color:var(--ink);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FBF8F3}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-empty{text-align:center;padding:56px 20px;color:var(--ink-3)}
.article-empty i{font-size:34px;color:var(--line);margin-bottom:14px;display:block}
.article-empty p{font-size:16px;margin-bottom:12px;color:var(--ink-2)}

/* tags */
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:14px;color:var(--ink-3)}
.tag{
  display:inline-flex;align-items:center;background:var(--bg-alt);color:var(--ink-2);
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;transition:background-color var(--t),color var(--t);
}
.tag:hover{background:var(--brand-soft);color:var(--brand-hover)}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:16px}
.side-card h3::before{content:"";width:12px;height:2px;background:var(--brand);border-radius:2px}
.side-nav li+li{margin-top:8px}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:border-color var(--t),color var(--t),background-color var(--t),transform var(--t);
}
.side-nav a i{font-size:12px;color:var(--ink-3);transition:transform var(--t),color var(--t)}
.side-nav a:hover{border-color:rgba(225,87,28,.4);color:var(--brand);background:var(--brand-soft);transform:translateY(-1px)}
.side-nav a:hover i{color:var(--brand);transform:translateX(2px)}
.side-list li+li{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.side-list a{font-size:14px;font-weight:500;color:var(--ink);line-height:1.6;display:block}
.side-list a:hover{color:var(--brand)}
.side-list span{display:block;font-size:12px;color:var(--ink-3);margin-top:4px}
.side-cta{background:var(--brand-soft);border:1px solid rgba(225,87,28,.28)}
.side-cta p{font-size:14px;color:var(--ink-2);margin-bottom:16px}
.side-cta .btn{width:100%}

/* ---------- continue / related ---------- */
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:26px;font-weight:700}
.continue-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.continue-card{
  display:flex;flex-direction:column;gap:8px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.continue-card:hover{transform:translateY(-3px);border-color:rgba(225,87,28,.4);box-shadow:var(--sh-2)}
.continue-card .idx{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px}
.continue-card h3{font-size:18px;font-weight:600;color:var(--ink)}
.continue-card p{font-size:14px;color:var(--ink-2);margin:0}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.related-card:hover{transform:translateY(-3px);border-color:rgba(225,87,28,.4);box-shadow:var(--sh-2)}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;background:rgba(225,87,28,.12)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover}
.related-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.related-card h3{font-size:17px;font-weight:600;line-height:1.5}
.related-card p{font-size:14px;color:var(--ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .foot{margin-top:auto;padding-top:10px}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:#fff;position:relative}
.cta-band::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--brand)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:52px 0}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:8px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin:0;max-width:640px}
.cta-actions{display:flex;align-items:center;gap:14px;flex:none}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-1px)}
.privacy-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:10px;display:block}
.privacy-note a{color:var(--brand);border-bottom:1px solid rgba(225,87,28,.55)}
.privacy-note a:hover{color:#fff;border-bottom-color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);position:relative;margin-top:0}
.site-footer::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--brand)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:56px 0 36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;font-size:13px}
.footer-col p{font-size:14px;line-height:1.7;margin:0;color:rgba(255,255,255,.72);max-width:280px}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.footer-col h4::before{content:"";width:12px;height:2px;background:var(--brand);border-radius:2px}
.footer-col ul li+li{margin-top:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72);border-bottom:1px solid rgba(255,255,255,.24)}
.footer-bottom a:hover{color:var(--brand);border-bottom-color:var(--brand)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,38,38,.5);opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);z-index:1100;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:460px;max-width:100%;background:#fff;z-index:1200;
  transform:translateX(102%);transition:transform 240ms ease;display:flex;flex-direction:column;box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateX(0)}
.drawer::before{content:"";display:block;height:4px;background:var(--brand);flex:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid var(--line)}
.drawer-head h3{font-size:18px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  color:var(--ink-2);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--t);
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.drawer-body{padding:24px;overflow-y:auto}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
  padding:0 14px;height:46px;font-size:15px;color:var(--ink);font-family:inherit;
  transition:border-color var(--t),box-shadow var(--t);
}
.form-field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(225,87,28,.14);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--ink-3)}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);margin:6px 0 18px}
.consent input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);flex:none}
.consent a{color:var(--brand);border-bottom:1px solid rgba(225,87,28,.4)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
}
@media (max-width:991.98px){
  .nav-links,.header-actions .search-box,.header-actions .btn-cta{display:none}
  .nav-toggle{display:flex}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .sidebar{position:static;top:auto}
  .article-body{padding:28px 24px;font-size:16px;line-height:1.85}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding:44px 0 28px}
}
@media (max-width:767.98px){
  .section{padding:52px 0}
  .article-head{padding:32px 0 24px}
  .article-main{padding:32px 0 0}
  .continue-grid,.related-grid{grid-template-columns:1fr}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .drawer{width:100%}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .header-inner{height:60px;gap:12px}
  .brand{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .article-body{padding:22px 18px}
  .article-meta{gap:8px;font-size:13px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --brand:#E1571C;
  --brand-hover:#BE4412;
  --brand-active:#A93A0C;
  --brand-soft:#FDECE3;
  --jade:#2C7A6B;
  --jade-soft:#E7F1EE;
  --ink:#1C2626;
  --text-2:#4A5754;
  --text-3:#8A938F;
  --bg:#FAF6F0;
  --bg-alt:#F1EBE1;
  --card:#FFFFFF;
  --border:#E6DFD3;
  --ochre:#B98A16;
  --r-card:14px;
  --r-btn:8px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(28,38,38,.05);
  --sh-2:0 14px 34px -20px rgba(28,38,38,.35);
  --sh-3:0 30px 70px -30px rgba(28,38,38,.45);
  --bs-primary:#E1571C;
  --bs-primary-rgb:225,87,28;
  --bs-body-bg:#FAF6F0;
  --bs-body-color:#1C2626;
  --bs-font-sans-serif:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --bs-border-color:#E6DFD3;
  --bs-link-color:#E1571C;
  --bs-link-hover-color:#BE4412;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-hover);border-bottom-color:var(--brand-hover);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(225,87,28,.28);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;line-height:1.32;color:var(--ink);letter-spacing:.2px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
@media (min-width:992px){.container{max-width:1200px;padding-left:24px;padding-right:24px;}}
.tnum{font-variant-numeric:tabular-nums;}

/* ======== 顶部导航 ======== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(28,38,38,.45);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;transition:height .18s ease;}
.site-header.is-scrolled .header-inner{height:58px;}
.brand{display:flex;align-items:center;gap:10px;border-bottom:0;flex:0 0 auto;}
.brand:hover{border-bottom:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;flex:0 0 auto;
  transition:background .18s ease;
}
.brand-text{
  position:relative;
  font-size:18px;font-weight:700;color:var(--ink);
  padding-left:0;
  transition:color .18s ease,padding-left .18s ease;
}
.brand-text::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:16px;background:var(--brand);border-radius:2px;
  transition:width .18s ease;
}
.brand:hover .brand-text{color:var(--brand);padding-left:10px;}
.brand:hover .brand-text::before{width:3px;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:14px;}
.nav-links a{
  position:relative;
  font-size:15px;color:var(--text-2);border-bottom:0;
  padding:6px 0;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--brand);border-bottom:0;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:40px;padding:0 14px;
  border:1px solid var(--border);border-radius:var(--r-pill);
  background:var(--bg);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(225,87,28,.14);
}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;
  background:var(--brand);color:#fff;
  border:1px solid var(--brand);border-radius:var(--r-btn);
  font-size:15px;font-weight:600;font-family:inherit;
  cursor:pointer;border-bottom:1px solid var(--brand);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-brand:hover{
  background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;
  transform:translateY(-1px);
  box-shadow:0 12px 26px -16px rgba(225,87,28,.85);
}
.btn-brand:active{background:var(--brand-active);transform:translateY(0);box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;
  background:transparent;color:var(--brand);
  border:1px solid var(--brand);border-radius:var(--r-btn);
  font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:rgba(225,87,28,.08);color:var(--brand-hover);transform:translateY(-1px);}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:40px;height:40px;
  border:1px solid var(--border);border-radius:var(--r-btn);
  background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:background .18s ease;}
.nav-toggle:hover span{background:var(--brand);}
.mobile-panel{display:none;border-top:1px solid var(--border);padding:16px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:14px;}
.mobile-nav a{padding:11px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--border);}
.mobile-nav a.is-active{color:var(--brand);font-weight:600;}
.mobile-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border:1px solid var(--border);border-radius:var(--r-pill);background:var(--bg);margin-bottom:12px;
}
.mobile-search i{color:var(--text-3);font-size:13px;}
.mobile-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;font-family:inherit;}
@media (max-width:991.98px){
  .nav-links,.search-box,.header-actions>.btn-brand{display:none;}
  .nav-toggle{display:flex;}
}

/* ======== 分类头图区 ======== */
.hero-flow{
  position:relative;
  padding:44px 0 60px;
  background-color:var(--bg);
  background-image:repeating-linear-gradient(115deg, rgba(28,38,38,.045) 0 1px, transparent 1px 12px);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a{color:var(--text-3);border-bottom:0;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9C1B3;}
.crumb .now{color:var(--text-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.6px;color:var(--ochre);font-weight:600;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--ochre);border-radius:2px;}
.hero-flow h1{
  font-size:clamp(28px,4vw,46px);
  font-weight:800;
  line-height:1.24;
  letter-spacing:.5px;
  margin-bottom:16px;
}
.hero-flow h1 .accent{color:var(--brand);}
.hero-lead{
  font-size:16px;color:var(--text-2);max-width:560px;margin-bottom:24px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:14px;color:var(--text-3);}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.hero-trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.hero-figure{position:relative;}
.hero-figure .frame{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--border);
  clip-path:polygon(0 0,calc(100% - 34px) 0,100% 34px,100% 100%,0 100%);
  box-shadow:var(--sh-2);
  background:rgba(225,87,28,.12);
}
.hero-figure .frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-figure .stamp{
  position:absolute;right:-6px;bottom:-14px;
  width:66px;height:66px;border-radius:50%;
  background:#fff;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:var(--brand);
  box-shadow:var(--sh-2);
}
.hero-figure .bar{
  position:absolute;left:0;right:0;bottom:-1px;height:4px;background:var(--brand);
}
.metric-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-top:40px;
}
.metric-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.metric-card:hover{border-color:rgba(225,87,28,.4);transform:translateY(-3px);box-shadow:var(--sh-2);}
.metric-card .num{
  font-size:34px;font-weight:800;color:var(--brand);line-height:1.1;
  margin-bottom:6px;letter-spacing:-.5px;
}
.metric-card .num small{font-size:15px;font-weight:600;margin-left:4px;}
.metric-card .label{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:4px;}
.metric-card .desc{font-size:13.5px;color:var(--text-3);line-height:1.6;}

/* ======== 标签切换条 ======== */
.tabs-strip{
  background:var(--bg-alt);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:14px 0;
}
.tabs-scroll{
  display:flex;gap:10px;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:none;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab-pill{
  flex:0 0 auto;
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--border);background:#fff;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.tab-pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.tab-pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* ======== 通用板块 ======== */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{font-size:30px;font-weight:800;margin-bottom:12px;}
.section-head p{font-size:15.5px;color:var(--text-2);margin:0;}
.section-tag{
  display:inline-block;padding:5px 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-hover);
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.h2-line{position:relative;padding-left:16px;}
.h2-line::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;
  width:4px;border-radius:2px;background:var(--brand);
}

/* 总览图文 */
.overview-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.overview-text h2{font-size:30px;font-weight:800;}
.overview-text p{color:var(--text-2);font-size:16px;}
.check-list{margin:22px 0 0;}
.check-list li{
  position:relative;padding-left:30px;margin-bottom:14px;
  font-size:15.5px;color:var(--text-2);
}
.check-list li strong{color:var(--ink);font-weight:600;}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;
  width:19px;height:19px;border-radius:50%;
  background:var(--jade-soft);color:var(--jade);
  font-size:10px;display:flex;align-items:center;justify-content:center;
}
.overview-figure{
  border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--sh-1);
  background:rgba(225,87,28,.12);
}
.overview-figure img{width:100%;aspect-ratio:5/4;object-fit:cover;}

/* 卡片矩阵 */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.flow-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%);
  overflow:hidden;
}
.flow-card::after{
  content:"";position:absolute;right:0;top:0;width:16px;height:16px;
  border-left:1px solid var(--border);border-bottom:1px solid var(--border);
  background:var(--bg-alt);
}
.flow-card:hover{transform:translateY(-4px);border-color:rgba(225,87,28,.4);box-shadow:var(--sh-2);}
.flow-card .idx{
  font-size:13px;font-weight:800;letter-spacing:1px;
  color:var(--brand);margin-bottom:12px;
}
.flow-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.flow-card p{font-size:14.5px;color:var(--text-2);margin:0 0 16px;line-height:1.72;}
.flow-card .go{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand);font-weight:600;
}
.flow-card .go i{transition:transform .18s ease;}
.flow-card:hover .go i{transform:translateX(3px);}

/* 时间线 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--brand),rgba(225,87,28,.18));
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:6px;
  width:19px;height:19px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
  box-shadow:0 0 0 4px rgba(225,87,28,.10);
}
.tl-item h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.tl-item .tl-meta{
  display:inline-block;font-size:12.5px;color:var(--jade);
  background:var(--jade-soft);border-radius:var(--r-pill);
  padding:3px 11px;margin-bottom:8px;
}
.tl-item p{font-size:15px;color:var(--text-2);margin:0;}

/* FAQ */
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;background:transparent;border:0;border-bottom:0;
  text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  font-family:inherit;cursor:pointer;position:relative;
  transition:color .2s ease,padding-left .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  background:var(--brand);border-radius:2px;
  transform:scaleY(0);transform-origin:top;
  transition:transform .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q:not(.collapsed){color:var(--brand);padding-left:14px;}
.faq-q:not(.collapsed)::before{transform:scaleY(1);}
.faq-q .mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--border);color:var(--text-3);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.faq-q:not(.collapsed) .mark{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(180deg);}
.faq-a{padding:0 4px 24px;font-size:15px;color:var(--text-2);line-height:1.78;max-width:880px;}
.faq-a ul{margin:10px 0 0;}
.faq-a li{position:relative;padding-left:16px;margin-bottom:6px;}
.faq-a li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--brand);}

/* 表单 */
.apply-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:start;}
.apply-intro h2{font-size:30px;font-weight:800;margin-bottom:14px;}
.apply-intro p{color:var(--text-2);font-size:16px;}
.apply-points{margin-top:24px;}
.apply-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text-2);margin-bottom:14px;
}
.apply-points li i{color:var(--brand);margin-top:5px;font-size:14px;}
.form-panel{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
  border-top:4px solid var(--brand);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--border);border-radius:var(--r-btn);
  background:#fff;color:var(--ink);font-size:15px;font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(225,87,28,.14);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-3);margin:6px 0 20px;line-height:1.6;}
.consent input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto;}
.consent a{color:var(--brand);}
.form-note{
  display:none;margin-top:16px;padding:12px 16px;
  border:1px solid rgba(185,138,22,.4);background:#FBF4E2;
  border-radius:var(--r-btn);font-size:14px;color:#7A5B0F;
}
.form-note.is-show{display:block;}

/* 底部 CTA 条 */
.cta-band{
  background:var(--ink);color:#fff;
  padding:56px 0;position:relative;
  border-top:3px solid var(--brand);
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-inner h2{color:#fff;font-size:26px;font-weight:800;margin-bottom:8px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease;
}
.btn-on-dark:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);}
.btn-line-light{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);
  font-size:15px;font-weight:600;transition:background .18s ease,color .18s ease;
}
.btn-line-light:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ======== 页脚 ======== */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  border-top:3px solid var(--brand);
  padding:60px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-col h4{
  position:relative;
  color:#fff;font-size:14px;font-weight:600;
  padding-left:16px;margin-bottom:18px;
}
.footer-col h4::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:9px;height:2px;background:var(--brand);border-radius:2px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:12px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;font-size:13px;}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);margin:0;max-width:280px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);border-bottom:0;}
.footer-col ul a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.75);border-bottom:0;}
.footer-bottom a:hover{color:var(--brand);}

/* ======== 响应式 ======== */
@media (max-width:1199.98px){
  .hero-grid{grid-template-columns:1.2fr 1fr;gap:32px;}
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .section{padding:60px 0;}
  .hero-flow{padding:34px 0 46px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-figure{order:-1;max-width:560px;}
  .metric-row{grid-template-columns:repeat(3,1fr);gap:14px;}
  .overview-grid{grid-template-columns:1fr;gap:30px;}
  .overview-figure{order:-1;}
  .apply-grid{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  .section{padding:52px 0;}
  .section-head h2,.overview-text h2,.apply-intro h2{font-size:24px;}
  .metric-row{grid-template-columns:1fr 1fr;gap:12px;}
  .metric-card{padding:18px;}
  .metric-card .num{font-size:28px;}
  .matrix-grid{grid-template-columns:1fr;gap:18px;}
  .hero-btns .btn-brand,.hero-btns .btn-ghost{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions a{width:100%;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .form-panel{padding:24px 20px;}
  .faq-q{font-size:16px;padding:18px 4px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519.98px){
  .metric-row{grid-template-columns:1fr;}
  .hero-flow h1{font-size:26px;}
  .hero-figure .stamp{width:56px;height:56px;font-size:17px;right:0;bottom:-10px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}