/* roulang page: index */
:root{
  --c-primary:#C2402A;
  --c-primary-dark:#A6341F;
  --c-second:#1F5C46;
  --c-accent:#E8A33D;
  --c-bg:#F7F5F1;
  --c-line:#ECEAE4;
  --c-text:#1C1B19;
  --c-text-2:#5A5751;
  --c-text-3:#8A867E;
  --r-card:14px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(28,27,25,.06),0 8px 24px rgba(28,27,25,.06);
  --shadow-hover:0 12px 32px rgba(28,27,25,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  text-align:left;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(194,64,42,.16);}

.site-container{max-width:1200px;margin:0 auto;padding:0 32px;}
.sec{padding:88px 0;}
.sec-alt{background:#fff;}
.sec-grey{background:var(--c-line);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;}
.brandbar{background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .18s ease-out;}
.brandbar.is-scrolled{box-shadow:0 1px 8px rgba(28,27,25,.08);}
.brandbar-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.logo{display:flex;align-items:center;gap:10px;}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex:0 0 auto;}
.logo-name{display:block;font-size:18px;font-weight:700;line-height:1.35;color:var(--c-text);}
.logo-sub{display:block;font-size:12px;font-weight:500;color:var(--c-text-3);line-height:1.4;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{width:38px;height:38px;display:none;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:10px;background:#fff;color:var(--c-text-2);cursor:pointer;transition:color .18s ease-out,border-color .18s ease-out;}
.icon-btn:hover{color:var(--c-primary);border-color:rgba(194,64,42,.4);}
.icon-btn.search-desktop{display:inline-flex;}

.channelbar{background:#fff;border-bottom:1px solid var(--c-line);}
.channelbar-inner{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel-link{flex:0 0 auto;padding:13px 0 11px;font-size:15px;color:var(--c-text-2);border-bottom:2px solid transparent;transition:color .18s ease-out,border-color .18s ease-out;}
.channel-link:hover{color:var(--c-primary);}
.channel-link.is-active{color:var(--c-text);font-weight:600;border-bottom-color:var(--c-primary);}

.menu-toggle{display:none;width:38px;height:38px;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:10px;background:#fff;cursor:pointer;}
.drawer-mask{position:fixed;inset:0;background:rgba(28,27,25,.5);opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;z-index:60;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;background:#fff;transform:translateX(101%);transition:transform .24s ease-out;z-index:70;padding:22px;overflow-y:auto;}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:9px;background:#fff;cursor:pointer;font-size:16px;color:var(--c-text-2);}
.drawer-nav{margin-top:22px;display:flex;flex-direction:column;}
.drawer-nav a{padding:13px 0;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-line);}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:24px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;white-space:nowrap;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--c-second);border-color:var(--c-second);}
.btn-outline:hover{background:rgba(31,92,70,.06);}
.btn-white{background:#fff;color:var(--c-primary);}
.btn-white:hover{background:#F7F5F1;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);transition:transform .18s ease-out,color .18s ease-out;}
.link-arrow:hover{transform:translateX(2px);color:var(--c-primary-dark);}

/* ---------- badges / titles ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;font-size:13px;font-weight:500;background:rgba(31,92,70,.1);color:var(--c-second);}
.badge-accent{background:rgba(232,163,61,.2);color:#7A5214;}
.badge-red{background:rgba(194,64,42,.1);color:var(--c-primary);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-title{position:relative;padding-left:16px;font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.35;}
.sec-title::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--c-primary);}
.sec-sub{margin-top:12px;padding-left:16px;font-size:15px;color:var(--c-text-2);}
.eyebrow{font-size:13px;font-weight:600;color:var(--c-second);}

/* ---------- hero ---------- */
.hero{position:relative;background:#fff;padding:72px 0 0;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-120px;top:-60px;width:520px;height:520px;background-image:repeating-linear-gradient(115deg,rgba(194,64,42,.06) 0,rgba(194,64,42,.06) 1px,transparent 1px,transparent 14px);pointer-events:none;}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding-bottom:64px;}
.hero-title{font-size:clamp(28px,4.4vw,44px);font-weight:700;line-height:1.25;margin-top:18px;}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.9;color:var(--c-text-2);max-width:36em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{font-size:14px;color:var(--c-text-2);display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-second);}
.hero-visual{position:relative;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--c-line);}
.data-strip{position:absolute;left:16px;right:16px;bottom:-26px;background:#fff;border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--shadow-card);display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:14px 16px;}
.data-strip .num{font-size:22px;font-weight:700;line-height:1.2;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.data-strip .lab{font-size:12px;color:var(--c-text-3);line-height:1.5;}
.trustbar{background:var(--c-line);border-top:1px solid #E2DFD8;}
.trustbar-inner{min-height:48px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 34px;padding-top:10px;padding-bottom:10px;}
.trustbar-inner span{font-size:13px;color:var(--c-text-2);display:flex;align-items:center;gap:8px;}
.trustbar-inner span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-accent);}

/* ---------- pain list ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 40px;}
.pain-item{display:flex;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--c-line);}
.pain-dot{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:rgba(31,92,70,.12);position:relative;margin-top:6px;}
.pain-dot::after{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--c-second);}
.pain-item h3{font-size:17px;font-weight:600;line-height:1.5;}
.pain-item p{margin-top:6px;font-size:14px;color:var(--c-text-2);}

/* ---------- plan cards ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden;transition:box-shadow .18s ease-out,transform .18s ease-out;}
.plan-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.plan-card.is-featured{border-top:3px solid var(--c-primary);}
.plan-thumb{aspect-ratio:16/9;background:var(--c-line);overflow:hidden;}
.plan-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.plan-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.plan-icon{width:44px;height:44px;border-radius:10px;background:rgba(31,92,70,.08);color:var(--c-second);display:flex;align-items:center;justify-content:center;}
.plan-body h3{font-size:18px;font-weight:600;line-height:1.45;}
.plan-body p{font-size:14.5px;color:var(--c-text-2);}
.plan-body .link-arrow{margin-top:auto;}

/* ---------- stats band ---------- */
.stats-band{background:var(--c-second);color:#F7F5F1;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.stat-num{font-size:clamp(28px,3.4vw,38px);font-weight:700;line-height:1.15;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.stat-lab{margin-top:8px;font-size:14px;color:rgba(247,245,241,.78);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.steps li{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-card);}
.step-num{display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:.06em;}
.steps h3{margin-top:12px;font-size:17px;font-weight:600;line-height:1.45;}
.steps p{margin-top:8px;font-size:14px;color:var(--c-text-2);}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);transition:box-shadow .18s ease-out,transform .18s ease-out;}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.news-thumb{aspect-ratio:16/9;background:var(--c-line);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-excerpt{font-size:14px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums;}
.empty-state{border:1px dashed #D8D5CE;border-radius:var(--r-card);background:#fff;padding:52px 24px;text-align:center;}
.empty-icon{width:46px;height:46px;margin:0 auto 14px;border-radius:50%;background:rgba(31,92,70,.1);color:var(--c-second);display:flex;align-items:center;justify-content:center;font-weight:700;}
.empty-state p{color:var(--c-text-2);font-size:15px;}
.empty-state .btn{margin-top:18px;}

/* ---------- faq ---------- */
.faq-list{max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .18s ease-out;}
.faq-item.is-open{border-left:3px solid var(--c-second);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;line-height:1.55;cursor:pointer;transition:color .18s ease-out;}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--c-text-2);}
.faq-item.is-open .faq-icon{background:var(--c-second);border-color:var(--c-second);color:#fff;}
.faq-a{display:none;padding:0 20px 20px;font-size:15px;color:var(--c-text-2);}
.faq-item.is-open .faq-a{display:block;}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-primary);color:#fff;}
.cta-band-inner{min-height:180px;display:flex;align-items:center;justify-content:space-between;gap:32px;padding-top:36px;padding-bottom:36px;}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;line-height:1.4;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);}

/* ---------- form ---------- */
.form-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.form-intro p{margin-top:16px;font-size:15px;color:var(--c-text-2);}
.contact-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.contact-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-text-2);}
.contact-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:11px;border-radius:50%;background:var(--c-primary);}
.form-card{padding:28px;border-radius:var(--r-card);background:#fff;border:1px solid var(--c-line);box-shadow:var(--shadow-card);}
.field{display:block;margin-bottom:16px;}
.field-label{display:block;font-size:14px;font-weight:500;margin-bottom:7px;}
.input,.select,.textarea{width:100%;border:1px solid #D8D5CE;border-radius:10px;background:#fff;padding:11px 14px;font-size:15px;line-height:1.6;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.textarea{resize:vertical;min-height:96px;}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(194,64,42,.18);}
.form-note{margin-top:14px;font-size:13px;color:var(--c-text-3);line-height:1.7;}
.form-note a{color:var(--c-second);text-decoration:underline;text-underline-offset:4px;}

/* ---------- modal (reserved) ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(28,27,25,.5);display:flex;align-items:center;justify-content:center;z-index:90;}
.modal-card{width:min(520px,92vw);background:#fff;border-radius:16px;box-shadow:0 24px 64px rgba(28,27,25,.2);padding:28px;position:relative;}
.modal-close{position:absolute;top:10px;right:10px;width:32px;height:32px;border-radius:9px;border:1px solid var(--c-line);background:#fff;cursor:pointer;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-text);color:#F7F5F1;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}
.footer-brand{font-size:18px;font-weight:700;color:#fff;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.9;color:rgba(247,245,241,.68);}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-link{display:block;padding:6px 0;font-size:14px;color:rgba(247,245,241,.72);transition:color .18s ease-out;}
.footer-link:hover{color:var(--c-accent);}
.footer-text{font-size:14px;color:rgba(247,245,241,.68);line-height:1.9;}
.footer-bottom{border-top:1px solid rgba(247,245,241,.14);padding:20px 0;text-align:center;font-size:13px;color:rgba(247,245,241,.55);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .site-container{padding:0 24px;}
  .sec{padding:64px 0;}
  .channelbar{display:none;}
  .menu-toggle{display:inline-flex;}
  .hero{padding-top:48px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding-bottom:56px;}
  .hero-visual img{aspect-ratio:16/10;}
  .data-strip{position:static;margin-top:16px;bottom:auto;}
  .plan-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .form-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;gap:20px;}
}
@media (max-width:639px){
  .site-container{padding:0 16px;}
  .sec{padding:48px 0;}
  .pain-grid{grid-template-columns:1fr;gap:18px;}
  .plan-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .data-strip{grid-template-columns:repeat(3,1fr);gap:6px;padding:12px;}
  .data-strip .num{font-size:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .logo-name{font-size:16px;}
  .logo-sub{font-size:11px;}
  .icon-btn.search-desktop{display:none;}
}

/* roulang page: article */
:root{
  --c-primary:#C2402A;
  --c-primary-dark:#A6341F;
  --c-second:#1F5C46;
  --c-accent:#E8A33D;
  --c-bg:#F7F5F1;
  --c-card:#FFFFFF;
  --c-line:#ECEAE4;
  --c-line-2:#D8D5CE;
  --c-text:#1C1B19;
  --c-text-2:#5A5751;
  --c-text-3:#8A867E;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(28,27,25,.06), 0 8px 24px rgba(28,27,25,.06);
  --sh-hover:0 12px 32px rgba(28,27,25,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;font-size:15px;color:var(--c-text);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ============ 顶部品牌行 ============ */
.site-header{position:sticky;top:0;z-index:60;}
.brandbar{background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease-out;}
.site-header.is-scrolled .brandbar{box-shadow:0 1px 8px rgba(28,27,25,.08);}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;flex:0 0 auto;
}
.logo-name{display:block;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:0;}
.logo-sub{display:block;font-size:12px;color:var(--c-text-3);line-height:1.3;margin-top:2px;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;color:var(--c-text-2);
  display:flex;align-items:center;justify-content:center;border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.icon-btn:hover{background:var(--c-line);color:var(--c-text);}
.menu-toggle{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);
  display:none;align-items:center;justify-content:center;color:var(--c-text-2);
}
.menu-toggle:hover{background:var(--c-line);}

/* ============ 频道行 ============ */
.channelbar{background:#fff;border-bottom:1px solid var(--c-line);}
.channelbar-inner{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;padding:14px 0;font-size:15px;font-weight:500;color:var(--c-text-2);white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.channel-link:hover{color:var(--c-text);}
.channel-link.is-active{color:var(--c-text);font-weight:600;}
.channel-link.is-active::after{transform:scaleX(1);}

/* ============ 抽屉菜单 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,27,25,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .26s ease-out;
  padding:22px 22px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:15px;font-weight:700;}
.drawer-close{
  width:34px;height:34px;border-radius:9px;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-text-2);
}
.drawer-close:hover{background:var(--c-line);}
.drawer-link{
  display:block;padding:12px 12px;border-radius:10px;font-size:15px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-line);
}
.drawer-link:hover{background:var(--c-bg);color:var(--c-text);}
.drawer-link.is-active{color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.drawer-note{font-size:13px;color:var(--c-text-3);line-height:1.8;margin-top:16px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);}
.btn-outline{border-color:var(--c-second);color:var(--c-second);background:transparent;}
.btn-outline:hover{background:rgba(31,92,70,.06);}
.btn-light{background:#fff;color:var(--c-primary);}
.btn-light:hover{background:#F7F5F1;transform:translateY(-1px);}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-second);
  transition:transform .18s ease-out,color .18s ease-out;
}
.text-link:hover{color:var(--c-primary);transform:translateX(2px);}

/* ============ 面包屑 / 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--c-line);
  padding:24px 0 42px;
}
.article-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:460px;height:300px;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(194,64,42,.07) 0 2px,transparent 2px 13px);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);position:relative;z-index:1;}
.crumb a:hover{color:var(--c-primary);}
.crumb-sep{color:var(--c-line-2);}
.crumb-now{color:var(--c-text-2);}
.article-title{
  position:relative;z-index:1;
  font-size:clamp(28px,4.4vw,44px);
  font-weight:700;line-height:1.25;letter-spacing:0;
  max-width:900px;margin-top:18px;
}
.article-meta{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;font-weight:500;color:var(--c-text-3);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:rgba(31,92,70,.1);color:var(--c-second);font-size:13px;font-weight:600;
}
.badge-accent{background:rgba(232,163,61,.16);color:#8A5B12;}
.meta-dot{color:var(--c-line-2);}

/* ============ 正文区域 ============ */
.article-layout{padding:48px 0 72px;}
.article-body{
  max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:42px 46px;box-shadow:var(--sh-card);
}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.35;
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary);
}
.article-body h3{font-size:19px;font-weight:600;line-height:1.45;margin:26px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-body p{margin:0 0 1.2em;line-height:1.9;text-align:left;color:var(--c-text);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em;}
.article-body li{margin-bottom:.55em;line-height:1.85;}
.article-body li::marker{color:var(--c-second);}
.article-body strong{font-weight:700;color:var(--c-text);}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-primary-dark);}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--c-second);
  background:var(--c-bg);border-radius:0 10px 10px 0;color:var(--c-text-2);
}
.article-body img{
  width:100%;border-radius:var(--r-img);margin:24px 0;border:1px solid var(--c-line);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--c-line);text-align:left;}
.article-body th{background:var(--c-bg);font-weight:600;}
.article-body tbody tr:nth-child(even){background:var(--c-line);}
.article-body pre{
  background:var(--c-line);border-radius:12px;padding:16px 18px;overflow-x:auto;
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;margin:20px 0;
}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--c-line);
  border-radius:6px;padding:2px 6px;font-size:14px;
}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}

.article-empty{text-align:center;}
.article-empty h2{
  border-left:0;padding-left:0;font-size:24px;margin:0 0 12px;
}
.article-empty p{color:var(--c-text-2);margin-bottom:24px;}

/* 文末标签与分享 */
.article-foot{
  margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:flex-start;
}
.foot-label{font-size:13px;font-weight:600;color:var(--c-text-3);margin-right:8px;}
.tag-row,.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.tag{
  display:inline-flex;padding:4px 12px;border-radius:999px;background:var(--c-bg);
  border:1px solid var(--c-line);font-size:13px;color:var(--c-text-2);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);}
.share-item{
  display:inline-flex;padding:4px 12px;border-radius:999px;border:1px dashed var(--c-line-2);
  font-size:13px;color:var(--c-text-3);
}
.article-links{
  margin-top:28px;padding-top:20px;border-top:1px solid var(--c-line);
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.link-item{
  display:block;padding:14px 16px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-bg);transition:border-color .18s ease-out,background-color .18s ease-out;
}
.link-item:hover{border-color:var(--c-primary);background:#fff;}
.link-label{display:block;font-size:12px;color:var(--c-text-3);margin-bottom:4px;}
.link-title{display:block;font-size:15px;font-weight:600;color:var(--c-text);}

/* ============ 相关阅读 ============ */
.related-section{padding:0 0 80px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid var(--c-line);
}
.section-title{
  font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;
  padding-left:14px;border-left:4px solid var(--c-primary);
}
.section-sub{font-size:14px;color:var(--c-text-3);margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.info-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--c-line-2);}
.card-thumb{aspect-ratio:16/9;background:var(--c-line);overflow:hidden;}
.card-thumb img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;font-weight:600;line-height:1.45;}
.card-desc{
  font-size:14px;color:var(--c-text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-more{margin-top:auto;}

/* ============ CTA 横幅 ============ */
.cta-section{padding:0 0 88px;}
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--r-card);padding:56px 44px;color:#fff;
  background-image:linear-gradient(rgba(194,64,42,.93),rgba(166,52,31,.95)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-title{font-size:clamp(21px,2.6vw,28px);font-weight:700;line-height:1.35;max-width:640px;}
.cta-desc{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);max-width:640px;}

/* ============ 页脚 ============ */
.site-footer{background:#1C1B19;color:#F7F5F1;padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(247,245,241,.66);max-width:36ch;}
.footer-title{font-size:14px;font-weight:600;color:var(--c-accent);margin-bottom:14px;}
.footer-link{display:block;font-size:14px;color:rgba(247,245,241,.72);padding:5px 0;}
.footer-link:hover{color:var(--c-accent);}
.footer-text{font-size:14px;color:rgba(247,245,241,.66);margin:0 0 6px;}
.footer-bottom{
  margin-top:44px;padding:20px 0;border-top:1px solid rgba(247,245,241,.12);
  text-align:center;font-size:13px;color:rgba(247,245,241,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .site-container{padding:0 24px;}
  .channelbar{display:none;}
  .menu-toggle{display:flex;}
  .search-desktop{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .article-body{padding:34px 30px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .article-hero{padding:20px 0 32px;}
  .article-layout{padding:32px 0 56px;}
  .article-body{padding:26px 22px;}
  .article-links{grid-template-columns:1fr;}
  .cta-banner{padding:38px 26px;}
  .cta-section{padding-bottom:64px;}
  .related-section{padding-bottom:56px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:640px){
  .site-container{padding:0 16px;}
  .logo-sub{display:none;}
  .brandbar-inner{height:58px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .card-grid{grid-template-columns:1fr;}
  .article-meta{gap:8px;font-size:12px;}
  .cta-banner{text-align:left;}
  .btn{padding:10px 18px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#C2402A;
  --c-primary-dark:#A6341F;
  --c-second:#1F5C46;
  --c-accent:#E8A33D;
  --c-bg:#F7F5F1;
  --c-card:#FFFFFF;
  --c-line:#ECEAE4;
  --c-line-strong:#D8D5CE;
  --c-text:#1C1B19;
  --c-text-2:#5A5751;
  --c-text-3:#8A867E;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-card:0 1px 2px rgba(28,27,25,.06), 0 8px 24px rgba(28,27,25,.06);
  --shadow-card-hover:0 12px 32px rgba(28,27,25,.12);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.site-container{padding:0 24px}}
@media (min-width:1024px){.site-container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 8px rgba(28,27,25,.06)}
.brandbar{background:#fff;border-bottom:1px solid var(--c-line)}
.brandbar-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;min-width:0}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:9px;background:var(--c-primary);
  color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;
}
.logo-name{display:block;font-size:16px;font-weight:700;line-height:1.25;white-space:nowrap}
.logo-sub{display:block;font-size:12px;color:var(--c-text-3);line-height:1.35;white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--c-text-2);
  transition:color .18s ease-out,border-color .18s ease-out,background-color .18s ease-out;
}
.icon-btn:hover{color:var(--c-second);border-color:var(--c-second);background:rgba(31,92,70,.06)}
.menu-toggle{
  display:none;width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);
  place-items:center;color:var(--c-text-2);
}
.menu-toggle:hover{color:var(--c-primary);border-color:var(--c-primary)}

.channelbar{background:#fff;border-bottom:1px solid var(--c-line)}
.channelbar-inner{display:flex;align-items:stretch;gap:26px;height:48px;overflow-x:auto;scrollbar-width:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-flex;align-items:center;white-space:nowrap;
  font-size:14.5px;font-weight:500;color:var(--c-text-2);
  border-bottom:2px solid transparent;transition:color .18s ease-out,border-color .18s ease-out;
}
.channel-link:hover{color:var(--c-primary)}
.channel-link.is-active{color:var(--c-text);font-weight:700;border-bottom-color:var(--c-primary)}

@media (max-width:1023px){
  .menu-toggle{display:grid}
  .search-desktop{display:none}
}
@media (max-width:639px){
  .logo-sub{display:none}
  .logo-name{font-size:15px}
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,27,25,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;z-index:90;
  background:#fff;padding:22px 20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .25s ease-out;
}
.drawer.is-open{transform:translateX(0)}
.drawer-title{font-size:13px;font-weight:700;color:var(--c-text-3);margin:6px 0 12px}
.drawer-link{
  display:block;padding:12px 12px;border-radius:10px;font-size:15px;color:var(--c-text-2);
  border:1px solid transparent;transition:background-color .18s,color .18s,border-color .18s;
}
.drawer-link:hover{background:var(--c-bg);color:var(--c-primary)}
.drawer-link.is-active{color:var(--c-text);font-weight:700;background:rgba(194,64,42,.07);border-color:rgba(194,64,42,.2)}
.drawer-close{position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:10px;border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-text-2)}
.drawer-close:hover{color:var(--c-primary);border-color:var(--c-primary)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;padding:12px 22px;font-size:15px}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--c-second);color:var(--c-second);padding:12px 22px;font-size:15px}
.btn-ghost:hover{background:rgba(31,92,70,.06)}
.btn-white{background:#fff;color:var(--c-primary);padding:12px 24px;font-size:15px}
.btn-white:hover{background:#f4efec;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;
  color:var(--c-primary);text-underline-offset:4px;
}
.btn-link:hover{text-decoration:underline;gap:9px}

/* ---------- hero ---------- */
.cat-hero{position:relative;background:#fff;border-bottom:1px solid var(--c-line);overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.10;
}
.cat-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:320px;height:320px;
  background-image:repeating-linear-gradient(115deg,rgba(194,64,42,.35) 0 1px,transparent 1px 14px);
  opacity:.06;pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:1;padding:48px 0 44px;max-width:820px}
@media (min-width:1024px){.cat-hero-inner{padding:64px 0 56px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 13px;border-radius:999px;
  background:rgba(31,92,70,.1);color:var(--c-second);font-size:13px;font-weight:600;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--c-accent)}
.cat-hero h1{
  margin-top:18px;font-size:clamp(28px,4.4vw,44px);line-height:1.25;font-weight:700;
}
.cat-hero h1 em{font-style:normal;color:var(--c-primary);position:relative}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--c-text-2);max-width:720px}
.hero-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{
  margin-top:34px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--shadow-card);
}
.hero-stat-value{font-size:26px;font-weight:700;color:var(--c-accent);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stat-label{font-size:13px;color:var(--c-text-3);margin-top:4px}
@media (max-width:639px){
  .hero-stats{grid-template-columns:1fr;gap:14px;padding:16px}
  .hero-stat-value{font-size:23px}
}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:16px 0 4px;font-size:13px;color:var(--c-text-3);
}
.breadcrumb a{transition:color .18s ease-out}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:var(--c-line-strong)}

/* ---------- anchor strip ---------- */
.anchor-strip{display:flex;gap:10px;overflow-x:auto;padding:16px 0 4px;scrollbar-width:none}
.anchor-strip::-webkit-scrollbar{display:none}
.anchor-chip{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:8px 15px;border-radius:999px;background:#fff;border:1px solid var(--c-line-strong);
  font-size:13.5px;color:var(--c-text-2);
  transition:color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.anchor-chip:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px)}

/* ---------- sections ---------- */
.section{padding:48px 0}
@media (min-width:768px){.section{padding:64px 0}}
@media (min-width:1024px){.section{padding:84px 0}}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-title{display:flex;align-items:center;gap:12px;font-size:clamp(22px,2.8vw,30px);line-height:1.3}
.section-title::before{content:"";flex:none;width:4px;height:26px;border-radius:2px;background:var(--c-primary)}
.section-note{font-size:14.5px;color:var(--c-text-3);max-width:560px}

/* ---------- feature rows ---------- */
.feature-row{display:grid;gap:28px;align-items:center}
.feature-row + .feature-row{margin-top:44px}
@media (min-width:900px){
  .feature-row{grid-template-columns:1fr 1fr;gap:52px}
  .feature-row + .feature-row{margin-top:64px}
  .feature-row.reverse .feature-media{order:2}
}
.feature-media{position:relative}
.feature-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--c-line);box-shadow:var(--shadow-card);
}
.feature-media::after{
  content:"";position:absolute;left:-14px;bottom:-14px;width:96px;height:96px;border-radius:14px;
  background-image:radial-gradient(rgba(194,64,42,.5) 1px,transparent 1px);
  background-size:12px 12px;opacity:.5;z-index:-1;
}
.feature-body h2{font-size:clamp(21px,2.4vw,27px);line-height:1.35}
.feature-body p{margin-top:14px;color:var(--c-text-2);font-size:15.5px;line-height:1.85}
.feature-points{margin-top:18px;display:grid;gap:10px}
.feature-points li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--c-text-2);
}
.feature-points li::before{
  content:"";flex:none;width:7px;height:7px;margin-top:9px;border-radius:999px;background:var(--c-second);
}
.feature-body .btn-link{margin-top:20px}

/* ---------- steps ---------- */
.steps{display:grid;gap:14px}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
.step{
  display:flex;gap:16px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--shadow-card);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.step:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px)}
.step-num{
  flex:none;font-size:19px;font-weight:700;color:var(--c-accent);
  font-variant-numeric:tabular-nums;line-height:1.4;
}
.step-title{font-size:16.5px;font-weight:600;line-height:1.5}
.step-desc{margin-top:6px;font-size:14px;color:var(--c-text-3);line-height:1.7}

/* ---------- dark panel ---------- */
.dark-panel{
  background:var(--c-second);color:#fff;border-radius:16px;padding:30px 26px;
}
@media (min-width:768px){.dark-panel{padding:40px 38px}}
.dark-panel h2{font-size:clamp(21px,2.4vw,26px);line-height:1.35}
.dark-panel .panel-sub{margin-top:12px;font-size:15px;color:rgba(255,255,255,.76);max-width:640px}
.panel-grid{margin-top:26px;display:grid;gap:14px}
@media (min-width:768px){.panel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.panel-item{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:12px;padding:18px;
}
.panel-item h3{font-size:16px;font-weight:600;color:#fff}
.panel-item p{margin-top:8px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.78)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:var(--c-line-strong)}
.faq-item.is-open{border-left:3px solid var(--c-second);box-shadow:var(--shadow-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-icon{
  flex:none;width:24px;height:24px;border-radius:999px;border:1px solid var(--c-line-strong);
  display:grid;place-items:center;color:var(--c-text-3);font-size:15px;line-height:1;
  transition:color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.faq-item.is-open .faq-icon{color:var(--c-second);border-color:var(--c-second);transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a-inner{
  padding:0 20px 18px;font-size:15px;color:var(--c-text-2);line-height:1.85;
}

/* ---------- cta ---------- */
.cta-band{
  background:var(--c-primary);color:#fff;border-radius:16px;
  padding:36px 28px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
@media (min-width:1024px){.cta-band{padding:52px 48px}}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);line-height:1.35;color:#fff}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.85);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#1C1B19;color:#F7F5F1;margin-top:40px;padding:52px 0 0}
.footer-grid{display:grid;gap:30px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{font-size:18px;font-weight:700}
.footer-desc{margin-top:12px;font-size:13.5px;line-height:1.85;color:rgba(247,245,241,.66);max-width:340px}
.footer-title{font-size:14px;font-weight:700;margin-bottom:12px}
.footer-link{display:block;padding:5px 0;font-size:13.5px;color:rgba(247,245,241,.7);transition:color .18s ease-out}
.footer-link:hover{color:var(--c-accent)}
.footer-text{font-size:13.5px;color:rgba(247,245,241,.7)}
.footer-bottom{
  margin-top:38px;padding:20px 0;text-align:center;font-size:13px;
  color:rgba(247,245,241,.55);border-top:1px solid rgba(247,245,241,.12);
}

/* roulang page: category2 */
:root{
  --c-primary:#C2402A;
  --c-primary-dark:#A6341F;
  --c-second:#1F5C46;
  --c-accent:#E8A33D;
  --c-bg:#F7F5F1;
  --c-card:#FFFFFF;
  --c-line:#ECEAE4;
  --c-line-strong:#D8D5CE;
  --c-text:#1C1B19;
  --c-muted:#5A5751;
  --c-weak:#8A867E;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(28,27,25,.06), 0 8px 24px rgba(28,27,25,.06);
  --sh-card-hover:0 12px 32px rgba(28,27,25,.12);
  --tr:180ms ease-out;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{border:none;background:none;cursor:pointer;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  border-radius:6px;
}
.site-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 16px;
}
@media (min-width:768px){ .site-container{padding:0 24px;} }
@media (min-width:1024px){ .site-container{padding:0 32px;} }

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;}
.brandbar{background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--tr);}
.brandbar.is-scrolled{box-shadow:0 1px 8px rgba(28,27,25,.08);}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:0;}
.logo-mark{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;
  background:var(--c-primary);color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.logo-name{display:block;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:0;}
.logo-sub{display:block;font-size:12px;color:var(--c-weak);line-height:1.4;margin-top:2px;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-muted);
  background:#fff;transition:var(--tr);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}
.menu-toggle{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);
  display:none;align-items:center;justify-content:center;color:var(--c-text);background:#fff;
}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
@media (max-width:767px){
  .menu-toggle{display:inline-flex;}
  .search-desktop{display:none;}
}
.channelbar{background:#fff;border-bottom:1px solid var(--c-line);}
.channelbar-inner{display:flex;align-items:stretch;gap:26px;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:block;padding:13px 0 11px;font-size:15px;color:var(--c-muted);
  text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent;
  transition:color var(--tr),border-color var(--tr);
}
.channel-link:hover{color:var(--c-primary);}
.channel-link.is-active{color:var(--c-text);font-weight:600;border-bottom-color:var(--c-primary);}
@media (max-width:767px){ .channelbar{display:none;} }

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,27,25,.5);opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform 220ms ease-out;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-title{font-weight:700;font-size:16px;}
.drawer-close{width:32px;height:32px;border-radius:8px;font-size:20px;line-height:1;color:var(--c-muted);border:1px solid var(--c-line);}
.drawer-close:hover{color:var(--c-primary);border-color:var(--c-primary);}
.drawer-nav{display:flex;flex-direction:column;padding:12px 0 18px;}
.drawer-link{padding:11px 0;font-size:15px;color:var(--c-muted);text-decoration:none;border-bottom:1px dashed var(--c-line);}
.drawer-link:hover{color:var(--c-primary);}
.drawer-link.is-active{color:var(--c-primary);font-weight:600;}
.drawer-note{margin-top:14px;font-size:13px;color:var(--c-weak);}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--c-second);color:var(--c-second);}
.btn-outline:hover{background:rgba(31,92,70,.06);}
.btn-white{background:#fff;color:var(--c-primary);}
.btn-white:hover{background:#F3EFE6;transform:translateY(-1px);}
.btn-sm{height:36px;padding:0 14px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:600;color:var(--c-primary);text-decoration:none;transition:transform var(--tr);}
.link-arrow:hover{transform:translateX(2px);}
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:13px;font-weight:500;background:rgba(31,92,70,.1);color:var(--c-second);}
.tag-amber{background:rgba(232,163,61,.18);color:#8A5A12;}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
@media (max-width:1023px){ .section{padding:64px 0;} }
@media (max-width:767px){ .section{padding:48px 0;} }
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-title{position:relative;padding-left:14px;font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;}
.section-title::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--c-primary);}
.section-sub{margin-top:10px;font-size:15px;color:var(--c-muted);max-width:720px;}

/* ============ 面包屑 / 页头 ============ */
.crumb{padding:18px 0 6px;font-size:13px;color:var(--c-weak);}
.crumb a{color:var(--c-weak);text-decoration:none;}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{margin:0 7px;color:var(--c-line-strong);}
.page-head{padding:10px 0 8px;}
.page-head h1{font-size:clamp(28px,4.2vw,44px);font-weight:700;line-height:1.25;max-width:900px;}
.page-head .lead{margin-top:16px;font-size:16px;line-height:1.9;color:var(--c-muted);max-width:800px;}
.page-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}
.anchor-row{display:flex;gap:10px;overflow-x:auto;padding:26px 0 4px;scrollbar-width:none;}
.anchor-row::-webkit-scrollbar{display:none;}
.anchor-chip{
  flex:0 0 auto;padding:7px 14px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;font-size:13px;color:var(--c-muted);text-decoration:none;transition:var(--tr);
}
.anchor-chip:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ============ 通栏横幅 ============ */
.banner{
  position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--c-line);
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(28,27,25,.92) 0%,rgba(31,92,70,.86) 52%,rgba(31,92,70,.62) 100%);}
.banner-inner{position:relative;z-index:1;padding:48px 40px;color:#F7F5F1;}
@media (max-width:767px){ .banner-inner{padding:34px 22px;} }
.banner-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 13px;border-radius:999px;background:rgba(232,163,61,.2);color:#F2C77C;font-size:13px;font-weight:500;}
.banner-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.banner-title{margin-top:18px;font-size:clamp(22px,2.9vw,32px);font-weight:700;line-height:1.3;}
.banner-text{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(247,245,241,.82);max-width:640px;}
.banner-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(247,245,241,.2);}
@media (max-width:639px){ .banner-stats{grid-template-columns:1fr 1fr;} }
.stat-num{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.2;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.stat-unit{font-size:14px;font-weight:600;margin-left:2px;color:var(--c-accent);}
.stat-label{margin-top:4px;font-size:13px;color:rgba(247,245,241,.72);}

/* ============ 卡片 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
@media (max-width:767px){ .grid-2{grid-template-columns:1fr;} }
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-card-hover);border-color:var(--c-line-strong);}
.card-media{position:relative;aspect-ratio:16/9;background:var(--c-line);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:18px;font-weight:600;line-height:1.45;}
.card-text{font-size:15px;line-height:1.85;color:var(--c-muted);}
.card-body .link-arrow{margin-top:auto;}

/* ============ 深色数据带 ============ */
.stat-band{background:var(--c-second);border-radius:18px;padding:48px 40px;color:#F7F5F1;}
@media (max-width:767px){ .stat-band{padding:34px 22px;} }
.stat-band-head{font-size:clamp(20px,2.4vw,26px);font-weight:700;}
.stat-band-sub{margin-top:10px;font-size:15px;color:rgba(247,245,241,.78);max-width:680px;}
.stat-band-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:34px;padding-top:28px;border-top:1px solid rgba(247,245,241,.18);}
@media (max-width:1023px){ .stat-band-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
.stat-band .stat-label{color:rgba(247,245,241,.72);}

/* ============ 数据表 ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:12px;background:#fff;}
.data-table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px;}
.data-table th{background:var(--c-line);color:var(--c-text);font-weight:600;text-align:left;padding:14px 18px;white-space:nowrap;}
.data-table td{padding:14px 18px;border-top:1px solid var(--c-line);color:var(--c-muted);}
.data-table td:first-child{color:var(--c-text);font-weight:600;}
.data-table tbody tr:nth-child(even) td{background:#FAF9F6;}
.data-table .num{font-variant-numeric:tabular-nums;color:var(--c-primary);font-weight:600;}

/* ============ 步骤清单 ============ */
.step-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;}
@media (max-width:1023px){ .step-list{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (max-width:639px){ .step-list{grid-template-columns:1fr;} }
.step-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-card);transition:transform var(--tr),box-shadow var(--tr);}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-card-hover);}
.step-index{font-size:26px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1;}
.step-title{margin-top:14px;font-size:16px;font-weight:600;}
.step-text{margin-top:8px;font-size:14px;line-height:1.8;color:var(--c-muted);}

/* ============ 要点列表 ============ */
.point-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 32px;}
@media (max-width:767px){ .point-list{grid-template-columns:1fr;} }
.point-item{display:flex;gap:12px;align-items:flex-start;}
.point-dot{flex:0 0 auto;width:9px;height:9px;border-radius:50%;background:var(--c-second);margin-top:11px;}
.point-title{font-size:16px;font-weight:600;}
.point-text{font-size:14px;color:var(--c-muted);line-height:1.8;margin-top:2px;}

/* ============ FAQ ============ */
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--tr),border-color var(--tr);
}
.faq-item:hover{border-color:var(--c-line-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:19px;line-height:1;color:var(--c-weak);font-weight:500;}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--c-second),var(--sh-card);}
.faq-item[open] summary::after{content:"−";color:var(--c-second);}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--c-muted);}

/* ============ CTA 横幅 ============ */
.cta-band{
  background:var(--c-primary);border-radius:18px;padding:56px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
@media (max-width:767px){ .cta-band{padding:34px 22px;} }
.cta-title{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.35;}
.cta-text{margin-top:10px;font-size:15px;color:rgba(255,255,255,.86);max-width:560px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-text);color:#F7F5F1;margin-top:80px;padding-top:64px;}
@media (max-width:767px){ .site-footer{margin-top:52px;padding-top:44px;} }
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
@media (max-width:1023px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (max-width:639px){ .footer-grid{grid-template-columns:1fr;} }
.footer-brand{font-size:17px;font-weight:700;color:#fff;}
.footer-desc{margin-top:12px;font-size:14px;line-height:1.85;color:#B9B5AD;max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-link{display:block;font-size:14px;color:#B9B5AD;text-decoration:none;padding:5px 0;transition:color var(--tr);}
.footer-link:hover{color:var(--c-accent);}
.footer-text{font-size:14px;color:#B9B5AD;line-height:1.9;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:13px;color:#8A867E;
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;}
}

/* roulang page: category3 */
:root{
  --c-primary:#C2402A;
  --c-primary-dark:#A6341F;
  --c-second:#1F5C46;
  --c-accent:#E8A33D;
  --c-bg:#F7F5F1;
  --c-white:#FFFFFF;
  --c-line:#ECEAE4;
  --c-text:#1C1B19;
  --c-text-2:#5A5751;
  --c-text-3:#8A867E;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(28,27,25,.06), 0 8px 24px rgba(28,27,25,.06);
  --shadow-card-hover:0 12px 32px rgba(28,27,25,.12);
  --font-sans:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.site-container{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 24px;transition:all .18s ease-out;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--c-second);border-color:var(--c-second);}
.btn-outline:hover{background:rgba(31,92,70,.06);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-text);border:none;padding:14px 4px;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.btn-ghost:hover{color:var(--c-primary);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-white{background:#fff;color:var(--c-primary);border-color:#fff;}
.btn-white:hover{background:#F7F5F1;transform:translateY(-1px);}
.btn-light-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-light-outline:hover{background:rgba(255,255,255,.12);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:5px 12px;font-size:13px;font-weight:500;
  background:rgba(31,92,70,.1);color:var(--c-second);
}
.badge-accent{background:rgba(232,163,61,.18);color:#8A5A08;}
.badge-line{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;}
.brandbar{background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;}
.site-header.is-scrolled .brandbar{box-shadow:0 1px 8px rgba(28,27,25,.08);}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:36px;height:36px;flex:none;border-radius:9px;
  background:var(--c-primary);color:#fff;font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.logo-name{display:block;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:0;}
.logo-sub{display:block;font-size:12px;color:var(--c-text-3);line-height:1.4;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:9px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-text-2);
  display:inline-flex;align-items:center;justify-content:center;transition:all .18s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);}
.menu-toggle{
  width:38px;height:38px;border-radius:9px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-text);display:none;align-items:center;justify-content:center;
}
.channelbar{background:#fff;border-bottom:1px solid var(--c-line);}
.channelbar-inner{display:flex;align-items:center;gap:28px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);
  padding:14px 0;white-space:nowrap;transition:color .18s ease;
}
.channel-link:hover{color:var(--c-primary);}
.channel-link.is-active{color:var(--c-primary);font-weight:600;}
.channel-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.nav-drawer{
  position:fixed;inset:0 0 0 auto;width:82vw;max-width:360px;background:#fff;
  transform:translateX(100%);transition:transform .26s ease-out;z-index:90;
  padding:24px 22px;box-shadow:-16px 0 40px rgba(28,27,25,.14);
  display:flex;flex-direction:column;gap:6px;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer-title{font-size:13px;color:var(--c-text-3);margin-bottom:6px;}
.nav-drawer .channel-link{padding:12px 0;border-bottom:1px solid var(--c-line);white-space:normal;}
.nav-drawer .btn{margin-top:18px;}
.drawer-close{
  position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:8px;
  border:1px solid var(--c-line);background:#fff;display:flex;align-items:center;justify-content:center;
}
.scrim{
  position:fixed;inset:0;background:rgba(28,27,25,.5);opacity:0;visibility:hidden;
  transition:opacity .26s ease;z-index:80;
}
.scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--c-text-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{margin:0 8px;color:#C9C5BC;}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;margin-top:20px;border-radius:18px;overflow:hidden;
  background-color:#1C1B19;
  background-image:linear-gradient(100deg,rgba(28,27,25,.88) 0%,rgba(28,27,25,.72) 52%,rgba(28,27,25,.46) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  color:#F7F5F1;
}
.page-hero-inner{padding:56px 0 44px;max-width:760px;}
.page-hero h1{
  font-size:clamp(28px,4.4vw,44px);font-weight:700;line-height:1.25;color:#fff;
}
.page-hero h1 em{font-style:normal;color:var(--c-accent);}
.page-hero p{margin-top:18px;font-size:17px;line-height:1.85;color:rgba(247,245,241,.86);max-width:660px;}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;padding-top:26px;
  border-top:1px solid rgba(247,245,241,.18);
}
.hero-meta-num{
  font-size:26px;font-weight:700;color:var(--c-accent);line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-meta-label{font-size:13px;color:rgba(247,245,241,.66);margin-top:4px;}

/* ---------- 锚点标签条 ---------- */
.anchorbar{background:#fff;border-bottom:1px solid var(--c-line);}
.anchorbar-inner{display:flex;gap:12px;padding:14px 32px;overflow-x:auto;scrollbar-width:none;max-width:1200px;margin:0 auto;}
.anchorbar-inner::-webkit-scrollbar{display:none;}
.anchor-chip{
  flex:none;font-size:14px;font-weight:500;color:var(--c-text-2);
  border:1px solid var(--c-line);border-radius:999px;padding:8px 16px;background:#fff;
  transition:all .18s ease;white-space:nowrap;
}
.anchor-chip:hover{color:var(--c-primary);border-color:var(--c-primary);background:rgba(194,64,42,.04);}

/* ---------- 板块 ---------- */
.section{padding:80px 0;}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{
  font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;
  padding-left:14px;border-left:4px solid var(--c-primary);
}
.section-lead{margin-top:14px;color:var(--c-text-2);font-size:16px;max-width:760px;}
.more-link{font-size:15px;font-weight:600;color:var(--c-second);white-space:nowrap;}
.more-link:hover{color:var(--c-primary);}
.more-link span{display:inline-block;transition:transform .18s ease;}
.more-link:hover span{transform:translateX(3px);}

/* ---------- 时间轴 / 步骤条 ---------- */
.timeline{position:relative;margin-top:8px;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--c-primary) 0%,var(--c-second) 70%,var(--c-line) 100%);
}
.tl-item{position:relative;display:flex;gap:24px;padding:0 0 30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-index{
  position:relative;z-index:1;flex:none;width:48px;height:48px;border-radius:12px;
  background:#fff;border:1px solid var(--c-line);color:var(--c-primary);
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 1px 2px rgba(28,27,25,.05);
}
.tl-item:first-child .tl-index{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.tl-card{
  flex:1;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-card);transition:all .18s ease-out;
}
.tl-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px);}
.tl-card h3{font-size:18px;font-weight:600;line-height:1.45;}
.tl-card p{margin-top:10px;color:var(--c-text-2);font-size:15px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split + .split{margin-top:64px;}
.split-media{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--c-line);background:var(--c-line);aspect-ratio:4/3;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-badge{
  position:absolute;left:16px;top:16px;background:#fff;color:var(--c-second);
  font-size:13px;font-weight:600;border-radius:999px;padding:6px 14px;
  box-shadow:0 4px 14px rgba(28,27,25,.14);
}
.split h2{font-size:clamp(21px,2.4vw,26px);font-weight:700;line-height:1.35;padding-left:14px;border-left:4px solid var(--c-primary);}
.split p{margin-top:16px;color:var(--c-text-2);}
.split-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.split-list li{display:flex;gap:12px;font-size:15px;color:var(--c-text-2);}
.split-list li::before{
  content:"";flex:none;width:7px;height:7px;border-radius:50%;background:var(--c-second);margin-top:11px;
}
.split .more-link{display:inline-block;margin-top:22px;}

/* ---------- 编号清单 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:8px;}
.rule-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:22px 24px;display:flex;gap:16px;box-shadow:var(--shadow-card);transition:all .18s ease-out;
}
.rule-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);}
.rule-no{
  flex:none;width:34px;height:34px;border-radius:9px;background:rgba(31,92,70,.1);
  color:var(--c-second);font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.rule-item h3{font-size:17px;font-weight:600;line-height:1.45;}
.rule-item p{margin-top:8px;font-size:15px;color:var(--c-text-2);}

/* ---------- 数据区 ---------- */
.stat-band{background:var(--c-second);color:#F7F5F1;border-radius:18px;padding:44px 40px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.stat-num{font-size:clamp(28px,3.4vw,38px);font-weight:700;color:var(--c-accent);line-height:1.15;font-variant-numeric:tabular-nums;}
.stat-label{font-size:14px;color:rgba(247,245,241,.76);margin-top:8px;line-height:1.6;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:8px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .18s ease;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:17px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-sign{
  flex:none;width:26px;height:26px;border-radius:8px;border:1px solid var(--c-line);
  color:var(--c-text-2);font-size:16px;font-weight:600;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:all .18s ease;
}
.faq-item[open] .faq-sign{background:var(--c-second);border-color:var(--c-second);color:#fff;}
.faq-item[open]{border-left:3px solid var(--c-second);}
.faq-body{padding:0 22px 20px;color:var(--c-text-2);font-size:15.5px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary);color:#fff;border-radius:18px;overflow:hidden;
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  min-height:180px;
  background-image:linear-gradient(105deg,rgba(194,64,42,.96) 0%,rgba(166,52,31,.9) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;color:#fff;}
.cta-band p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.88);max-width:660px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:#1C1B19;color:#F7F5F1;margin-top:80px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px;}
.footer-brand{font-size:18px;font-weight:700;color:#fff;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(247,245,241,.66);max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-link{display:block;font-size:14px;color:rgba(247,245,241,.72);padding:5px 0;transition:color .18s ease;}
.footer-link:hover{color:var(--c-accent);}
.footer-text{font-size:14px;color:rgba(247,245,241,.72);padding:4px 0;}
.footer-bottom{
  border-top:1px solid rgba(247,245,241,.12);text-align:center;
  font-size:13px;color:rgba(247,245,241,.5);padding:22px 0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .site-container{padding:0 24px;}
  .anchorbar-inner{padding:14px 24px;}
  .menu-toggle{display:inline-flex;}
  .search-desktop{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
  .split{gap:32px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .brand-actions .btn-primary{display:none;}
  .page-hero-inner{padding:44px 0 36px;}
  .section{padding:52px 0;}
  .split{grid-template-columns:1fr;gap:26px;}
  .split.reverse .split-media{order:-1;}
  .rule-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .tl-item{gap:16px;}
  .tl-card{padding:18px 18px;}
  .stat-band{padding:32px 24px;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .anchorbar-inner{padding:12px 16px;}
  .logo-sub{display:none;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .hero-meta{gap:22px;}
  .btn{padding:13px 20px;font-size:14px;}
  .page-hero{margin-top:14px;border-radius:14px;}
}

/* roulang page: category4 */
:root{
    --c-primary:#C2402A;
    --c-primary-dark:#A6341F;
    --c-second:#1F5C46;
    --c-second-soft:rgba(31,92,70,.08);
    --c-accent:#E8A33D;
    --c-bg:#F7F5F1;
    --c-line:#ECEAE4;
    --c-input:#D8D5CE;
    --c-text:#1C1B19;
    --c-text-2:#5A5751;
    --c-text-3:#8A867E;
    --r-card:14px;
    --r-btn:10px;
    --r-badge:999px;
    --sd-card:0 1px 2px rgba(28,27,25,.06), 0 8px 24px rgba(28,27,25,.06);
    --sd-card-hover:0 12px 32px rgba(28,27,25,.12);
    --sd-header:0 1px 8px rgba(28,27,25,.08);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text);
    font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    text-align:left;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-radius:12px;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
  ul,ol{list-style:none;}
  .num{font-variant-numeric:tabular-nums;}

  /* ---------- 容器 ---------- */
  .site-container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:16px;
    padding-right:16px;
  }
  @media (min-width:768px){ .site-container{padding-left:24px;padding-right:24px;} }
  @media (min-width:1024px){ .site-container{padding-left:32px;padding-right:32px;} }

  /* ---------- 头部 ---------- */
  .site-header{position:sticky;top:0;z-index:60;}
  .brandbar{
    background:#fff;
    border-bottom:1px solid var(--c-line);
    transition:box-shadow .2s ease;
  }
  .brandbar.is-scrolled{box-shadow:var(--sd-header);}
  .brandbar-inner{
    height:64px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
  }
  .logo{display:flex;align-items:center;gap:10px;min-width:0;}
  .logo-mark{
    width:38px;height:38px;flex:0 0 38px;
    border-radius:10px;
    background:var(--c-primary);
    color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-size:19px;font-weight:700;
    letter-spacing:.02em;
  }
  .logo-name{
    display:block;
    font-size:18px;font-weight:700;line-height:1.2;
    color:var(--c-text);
    white-space:nowrap;
  }
  .logo-sub{
    display:block;
    font-size:12px;line-height:1.4;
    color:var(--c-text-3);
    white-space:nowrap;
  }
  .brand-actions{display:flex;align-items:center;gap:10px;}
  .icon-btn{
    width:38px;height:38px;
    display:flex;align-items:center;justify-content:center;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:10px;
    color:var(--c-text-2);
    cursor:pointer;
    transition:border-color .18s ease,color .18s ease,background .18s ease;
  }
  .icon-btn:hover{border-color:var(--c-second);color:var(--c-second);background:var(--c-second-soft);}
  .menu-toggle{
    width:38px;height:38px;
    display:flex;align-items:center;justify-content:center;
    background:#fff;border:1px solid var(--c-line);border-radius:10px;
    color:var(--c-text);cursor:pointer;
  }
  .menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
  @media (min-width:1024px){ .menu-toggle{display:none;} }
  @media (max-width:640px){ .search-desktop{display:none;} .logo-sub{display:none;} }

  /* ---------- 频道行 ---------- */
  .channelbar{background:#fff;border-bottom:1px solid var(--c-line);}
  .channelbar-inner{
    display:flex;align-items:center;gap:26px;
    height:50px;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .channelbar-inner::-webkit-scrollbar{display:none;}
  .channel-link{
    position:relative;
    flex:0 0 auto;
    font-size:15px;
    color:var(--c-text-2);
    padding:13px 0 12px;
    white-space:nowrap;
    transition:color .18s ease;
  }
  .channel-link::after{
    content:"";
    position:absolute;left:0;right:0;bottom:6px;height:2px;
    background:transparent;border-radius:2px;
    transition:background .18s ease;
  }
  .channel-link:hover{color:var(--c-primary);}
  .channel-link:hover::after{background:rgba(194,64,42,.35);}
  .channel-link.is-active{color:var(--c-primary);font-weight:600;}
  .channel-link.is-active::after{background:var(--c-primary);}

  /* ---------- 抽屉 ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(28,27,25,.5);
    opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
    z-index:80;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;
    background:#fff;z-index:90;
    transform:translateX(100%);
    transition:transform .26s ease-out;
    display:flex;flex-direction:column;
    padding:20px;
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-title{font-size:15px;font-weight:600;}
  .drawer-close{
    width:32px;height:32px;border:1px solid var(--c-line);background:#fff;border-radius:9px;
    cursor:pointer;color:var(--c-text-2);
  }
  .drawer-link{
    display:block;padding:12px 0;font-size:15px;color:var(--c-text-2);
    border-bottom:1px solid var(--c-line);
  }
  .drawer-link.is-active{color:var(--c-primary);font-weight:600;}
  .drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line);}
  .drawer-foot p{font-size:13px;color:var(--c-text-3);line-height:1.7;}

  /* ---------- 按钮 ---------- */
  .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 .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--c-primary);color:#fff;}
  .btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(194,64,42,.24);}
  .btn-ghost{background:transparent;color:var(--c-second);border-color:var(--c-second);}
  .btn-ghost:hover{background:var(--c-second-soft);transform:translateY(-1px);}
  .btn-light{background:#fff;color:var(--c-primary);}
  .btn-light:hover{background:#F7F5F1;transform:translateY(-1px);}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);}
  .btn-sm{padding:9px 16px;font-size:14px;border-radius:9px;}
  .btn:focus-visible,.icon-btn:focus-visible,.menu-toggle:focus-visible,.channel-link:focus-visible,.drawer-close:focus-visible{
    outline:2px solid var(--c-primary);outline-offset:2px;
  }
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--c-primary);font-size:14px;font-weight:600;
    transition:gap .18s ease,color .18s ease;
  }
  .link-arrow:hover{gap:10px;color:var(--c-primary-dark);}

  .badge{
    display:inline-flex;align-items:center;
    padding:4px 11px;
    border-radius:var(--r-badge);
    background:var(--c-second-soft);
    color:var(--c-second);
    font-size:13px;font-weight:500;
    line-height:1.6;
  }
  .badge-accent{background:rgba(232,163,61,.18);color:#8A5A12;}

  /* ---------- 面包屑 ---------- */
  .crumb{
    padding:20px 0 0;
    font-size:13px;
    color:var(--c-text-3);
  }
  .crumb a{transition:color .18s ease;}
  .crumb a:hover{color:var(--c-primary);}
  .crumb span.sep{margin:0 8px;color:#C9C5BC;}

  /* ---------- 板块通用 ---------- */
  .section{padding:56px 0;}
  @media (min-width:768px){ .section{padding:64px 0;} }
  @media (min-width:1024px){ .section{padding:88px 0;} }
  .section-head{margin-bottom:28px;}
  .section-title{
    position:relative;
    font-size:clamp(22px,2.8vw,30px);
    font-weight:700;line-height:1.3;
    padding-left:14px;
  }
  .section-title::before{
    content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
    background:var(--c-primary);border-radius:2px;
  }
  .section-sub{margin-top:12px;color:var(--c-text-2);font-size:15.5px;max-width:820px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--c-second);
    letter-spacing:.04em;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--c-accent);border-radius:2px;}

  /* ---------- 内页 Hero ---------- */
  .page-hero{
    position:relative;
    background:#fff;
    border-bottom:1px solid var(--c-line);
    overflow:hidden;
  }
  .page-hero::after{
    content:"";
    position:absolute;right:-80px;top:-40px;width:520px;height:520px;
    background-image:repeating-linear-gradient(115deg,rgba(28,27,25,.05) 0 2px,transparent 2px 14px);
    opacity:.55;pointer-events:none;
  }
  .page-hero-inner{
    position:relative;z-index:2;
    padding:40px 0 52px;
    display:grid;gap:36px;
  }
  @media (min-width:1024px){
    .page-hero-inner{grid-template-columns:7fr 5fr;align-items:center;padding:64px 0 76px;gap:48px;}
  }
  .page-hero h1{
    font-size:clamp(28px,4.4vw,44px);
    font-weight:700;line-height:1.25;
    max-width:22ch;
  }
  .page-hero h1 em{font-style:normal;color:var(--c-primary);}
  .page-hero-lead{
    margin-top:18px;
    font-size:16.5px;
    color:var(--c-text-2);
    max-width:58ch;
  }
  .hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}
  .hero-media{position:relative;}
  .hero-media img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border:1px solid var(--c-line);
    box-shadow:var(--sd-card);
  }
  .status-panel{
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sd-card);
    overflow:hidden;
  }
  .status-panel-head{
    padding:14px 18px;
    background:#1C1B19;color:#F7F5F1;
    font-size:13px;letter-spacing:.04em;
    display:flex;align-items:center;justify-content:space-between;
  }
  .dot-live{display:inline-flex;align-items:center;gap:6px;}
  .dot-live i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;}
  .status-row{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:13px 18px;
    border-bottom:1px solid var(--c-line);
    font-size:14px;color:var(--c-text-2);
  }
  .status-row:last-child{border-bottom:none;}
  .status-val{font-weight:700;color:var(--c-text);font-variant-numeric:tabular-nums;}
  .status-val.accent{color:#B57214;}

  /* ---------- 锚点标签条 ---------- */
  .anchorbar{
    background:#fff;
    border-bottom:1px solid var(--c-line);
  }
  .anchorbar-inner{
    display:flex;gap:10px;
    padding:14px 0;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .anchorbar-inner::-webkit-scrollbar{display:none;}
  .anchor-chip{
    flex:0 0 auto;
    padding:8px 15px;
    border:1px solid var(--c-line);
    border-radius:var(--r-badge);
    font-size:14px;color:var(--c-text-2);
    background:#fff;
    transition:all .18s ease;
  }
  .anchor-chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(194,64,42,.05);}

  /* ---------- 对比表格 ---------- */
  .table-wrap{
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sd-card);
    overflow-x:auto;
  }
  .cmp-table{
    width:100%;
    min-width:760px;
    border-collapse:collapse;
    font-size:14.5px;
  }
  .cmp-table thead th{
    background:#1C1B19;
    color:#F7F5F1;
    font-weight:600;
    font-size:13.5px;
    text-align:left;
    padding:14px 18px;
    white-space:nowrap;
  }
  .cmp-table tbody td{
    padding:15px 18px;
    border-bottom:1px solid var(--c-line);
    color:var(--c-text-2);
    vertical-align:top;
    line-height:1.75;
  }
  .cmp-table tbody tr:nth-child(even){background:var(--c-line);}
  .cmp-table tbody tr:last-child td{border-bottom:none;}
  .cmp-table td:first-child{color:var(--c-text);font-weight:600;white-space:nowrap;}
  .tag-yes{color:var(--c-second);font-weight:600;}
  .tag-no{color:var(--c-text-3);}
  .table-note{margin-top:12px;font-size:13px;color:var(--c-text-3);}

  /* ---------- 图文块 ---------- */
  .media-block{display:grid;gap:28px;align-items:center;}
  @media (min-width:1024px){
    .media-block{grid-template-columns:1fr 1fr;gap:56px;}
    .media-block.reverse .media-text{order:2;}
    .media-block.reverse .media-figure{order:1;}
  }
  .media-figure img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border:1px solid var(--c-line);
    box-shadow:var(--sd-card);
  }
  .media-figure figcaption{margin-top:10px;font-size:12.5px;color:var(--c-text-3);text-align:center;}
  .media-text h2{
    position:relative;
    font-size:clamp(21px,2.6vw,28px);
    font-weight:700;line-height:1.35;
    padding-left:14px;
  }
  .media-text h2::before{
    content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
    background:var(--c-primary);border-radius:2px;
  }
  .media-text p{margin-top:16px;color:var(--c-text-2);font-size:15.5px;}
  .media-text .hero-actions{margin-top:22px;}

  /* ---------- 编号清单 ---------- */
  .steps-list{display:grid;gap:14px;}
  @media (min-width:768px){ .steps-list{grid-template-columns:1fr 1fr;} }
  .step-item{
    display:flex;gap:14px;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    padding:18px;
    transition:box-shadow .18s ease,transform .18s ease;
  }
  .step-item:hover{box-shadow:var(--sd-card-hover);transform:translateY(-3px);}
  .step-num{
    flex:0 0 32px;width:32px;height:32px;border-radius:9px;
    background:var(--c-second-soft);color:var(--c-second);
    display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
  }
  .step-item h3{font-size:16.5px;font-weight:600;line-height:1.45;}
  .step-item p{margin-top:6px;font-size:14.5px;color:var(--c-text-2);}

  /* ---------- 提示条 ---------- */
  .notice{
    display:flex;gap:14px;
    background:#fff;
    border:1px solid var(--c-line);
    border-left:3px solid var(--c-second);
    border-radius:var(--r-card);
    padding:18px 20px;
  }
  .notice-icon{
    flex:0 0 36px;width:36px;height:36px;border-radius:9px;
    background:var(--c-second-soft);color:var(--c-second);
    display:flex;align-items:center;justify-content:center;font-weight:700;
  }
  .notice h3{font-size:16px;font-weight:600;}
  .notice p{margin-top:6px;font-size:14.5px;color:var(--c-text-2);}

  /* ---------- 副文本表格（自助处理） ---------- */
  .self-table{
    width:100%;min-width:720px;border-collapse:collapse;font-size:14.5px;
  }
  .self-table thead th{
    text-align:left;padding:12px 16px;
    background:var(--c-line);color:var(--c-text);
    font-size:13.5px;font-weight:600;
    border-bottom:1px solid #DEDBD3;
  }
  .self-table tbody td{
    padding:14px 16px;border-bottom:1px solid var(--c-line);
    color:var(--c-text-2);vertical-align:top;
  }
  .self-table tbody tr:hover{background:rgba(232,163,61,.08);}
  .self-table td:first-child{color:var(--c-text);font-weight:600;white-space:nowrap;}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:12px;}
  .faq-item{
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    overflow:hidden;
    transition:box-shadow .18s ease;
  }
  .faq-item[open]{box-shadow:var(--sd-card);border-left:3px solid var(--c-second);}
  .faq-item summary{
    cursor:pointer;
    list-style:none;
    padding:17px 52px 17px 20px;
    position:relative;
    font-size:16px;font-weight:600;
    color:var(--c-text);
    line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";
    position:absolute;right:20px;top:50%;transform:translateY(-50%);
    font-size:20px;font-weight:400;color:var(--c-second);line-height:1;
  }
  .faq-item[open] summary::after{content:"−";color:var(--c-primary);}
  .faq-item summary:hover{color:var(--c-primary);}
  .faq-answer{
    padding:0 22px 20px;
    font-size:15px;color:var(--c-text-2);
    line-height:1.85;
  }

  /* ---------- CTA 横幅 ---------- */
  .cta-band{
    background:var(--c-primary);
    color:#fff;
    border-radius:16px;
    padding:36px 28px;
    display:grid;gap:22px;align-items:center;
    position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;right:-60px;bottom:-90px;width:320px;height:320px;
    background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.09) 0 2px,transparent 2px 13px);
    pointer-events:none;
  }
  @media (min-width:1024px){
    .cta-band{grid-template-columns:1fr auto;padding:52px 56px;min-height:190px;}
  }
  .cta-band h2{
    font-size:clamp(21px,2.6vw,28px);
    font-weight:700;line-height:1.35;
    position:relative;z-index:2;
  }
  .cta-band p{
    margin-top:10px;font-size:15px;color:rgba(255,255,255,.88);
    max-width:60ch;position:relative;z-index:2;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

  /* ---------- 工单表单 ---------- */
  .form-card{
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sd-card);
    padding:26px;
  }
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
  .field input,.field select,.field textarea{
    width:100%;
    border:1px solid var(--c-input);
    border-radius:10px;
    padding:12px 14px;
    font-size:15px;
    font-family:inherit;
    color:var(--c-text);
    background:#fff;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .field textarea{min-height:96px;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;
    border-color:var(--c-primary);
    box-shadow:0 0 0 3px rgba(194,64,42,.18);
  }
  .field input::placeholder,.field textarea::placeholder{color:var(--c-text-3);}
  .form-tip{margin-top:12px;font-size:13px;color:var(--c-text-3);line-height:1.7;}
  .form-tip a{color:var(--c-second);text-decoration:underline;text-underline-offset:3px;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:#1C1B19;
    color:#F7F5F1;
    padding:56px 0 0;
    margin-top:8px;
  }
  .footer-grid{display:grid;gap:32px;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr;} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;} }
  .footer-brand{font-size:19px;font-weight:700;margin-bottom:14px;}
  .footer-desc{font-size:14px;color:rgba(247,245,241,.66);line-height:1.85;max-width:40ch;}
  .footer-title{font-size:14px;font-weight:600;margin-bottom:14px;letter-spacing:.03em;}
  .footer-link{
    display:block;font-size:14px;color:rgba(247,245,241,.7);
    padding:5px 0;transition:color .18s ease,transform .18s ease;
  }
  .footer-link:hover{color:var(--c-accent);transform:translateX(2px);}
  .footer-text{font-size:14px;color:rgba(247,245,241,.7);line-height:1.8;}
  .footer-bottom{
    margin-top:44px;
    border-top:1px solid rgba(247,245,241,.14);
    padding:20px 0 26px;
    text-align:center;
    font-size:13px;
    color:rgba(247,245,241,.55);
  }

  /* ---------- 工具 ---------- */
  .grid-2{display:grid;gap:20px;}
  @media (min-width:768px){ .grid-2{grid-template-columns:1fr 1fr;} }
  .grid-3{display:grid;gap:20px;}
  @media (min-width:768px){ .grid-3{grid-template-columns:1fr 1fr;} }
  @media (min-width:1024px){ .grid-3{grid-template-columns:repeat(3,1fr);} }
  .mt-24{margin-top:24px;}
  .mt-32{margin-top:32px;}
  .mt-40{margin-top:40px;}