/* roulang page: index */
:root{
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --ink:#16181A;
  --ink-2:#4A5250;
  --ink-3:#7C827F;
  --line:#E4DFD5;
  --brand:#E24E22;
  --brand-dark:#B93A15;
  --accent:#0E4B3F;
  --accent-2:#F5C044;
  --on-dark:#F2F0EA;
  --on-dark-2:rgba(242,240,234,.72);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-sm:0 1px 2px rgba(22,24,26,.04),0 8px 24px -12px rgba(22,24,26,.14);
  --sh-lg:0 10px 28px -10px rgba(22,24,26,.22);
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.3;letter-spacing:-.01em}
h1{font-size:40px;font-weight:700}
h2{font-size:30px;font-weight:700}
h3{font-size:20px;font-weight:600}
h4{font-size:17px;font-weight:600}
::selection{background:rgba(226,78,34,.18)}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.bg-soft{background:var(--bg)}
.bg-white{background:#fff}
.bg-deep{background:var(--accent);color:var(--on-dark)}
.energy-line{height:3px;width:100%;background:linear-gradient(90deg,var(--brand),var(--accent-2))}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.95);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background-color .2s ease}
.site-header.scrolled{box-shadow:0 8px 24px -18px rgba(22,24,26,.5)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:15px;flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:-.01em}
.brand-text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.04em}
.main-nav{display:flex;gap:26px;margin-left:6px}
.main-nav .nav-link{font-size:15px;color:var(--ink-2);padding:8px 0;position:relative}
.main-nav .nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transition:transform .2s ease}
.main-nav .nav-link:hover{color:var(--brand)}
.main-nav .nav-link.active{color:var(--ink);font-weight:600}
.main-nav .nav-link.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.cmd-search{display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 10px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;transition:width .2s ease,border-color .2s ease,box-shadow .2s ease}
.cmd-search i{color:var(--ink-3);font-size:13px}
.cmd-search input{border:0;outline:0;background:transparent;font-size:14px;width:100%;min-width:0}
.cmd-search input::placeholder{color:var(--ink-3)}
.cmd-search kbd{font-size:11px;color:var(--ink-3);border:1px solid var(--line);border-radius:5px;padding:1px 6px;background:#FAF8F3;font-family:inherit}
.cmd-search:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(226,78,34,.15)}
.nav-quick{font-size:14px;color:var(--ink-2);white-space:nowrap}
.nav-quick:hover{color:var(--brand)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
body.menu-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .nav-toggle span:nth-child(2){opacity:0}
body.menu-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.btn:active{transform:translateY(0)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-lg)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:rgba(226,78,34,.55);color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;border-color:#fff;color:var(--accent)}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14.5px;font-weight:600}
.arrow-link i{transition:transform .18s ease}
.arrow-link:hover i{transform:translateX(4px)}

/* ============ 倒计时条 ============ */
.countdown-bar{background:var(--accent);color:var(--on-dark)}
.cd-wrap{height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.cd-label{font-size:14px;color:var(--on-dark-2);display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cd-clock{display:flex;align-items:center;gap:6px}
.cd-cell{display:inline-flex;align-items:baseline;gap:3px;min-width:46px;height:30px;padding:0 8px;border-radius:6px;background:rgba(255,255,255,.10);justify-content:center}
.cd-cell b{font-size:16px;color:var(--accent-2);font-variant-numeric:tabular-nums}
.cd-cell i{font-style:normal;font-size:11px;color:rgba(242,240,234,.68)}
.cd-sep{color:rgba(255,255,255,.45);font-size:13px}

/* ============ Hero ============ */
.hero{padding:76px 0 64px;background:#fff;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);background:rgba(226,78,34,.09);border-radius:999px;padding:5px 14px;margin-bottom:20px;font-weight:600}
.hero h1{margin-bottom:18px}
.hero-sub{font-size:18px;color:var(--ink-2);max-width:540px;margin-bottom:28px;line-height:1.75}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.trust-row{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.trust-row li{position:relative;font-size:14px;color:var(--ink-2);display:flex;align-items:baseline;gap:6px}
.trust-row li+li::before{content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);width:1px;height:14px;background:var(--line)}
.trust-row b{font-size:19px;color:var(--brand);font-variant-numeric:tabular-nums}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-sm)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,75,63,.18),rgba(14,75,63,.10))}
.seat-tag{position:absolute;right:14px;bottom:14px;z-index:2;background:rgba(255,255,255,.94);color:var(--accent);font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;font-variant-numeric:tabular-nums}

/* ============ 版块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-title{position:relative;padding-left:16px}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--accent-2))}
.section-sub{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:640px}

/* ============ 卖点横条 ============ */
.lane{border-top:1px solid var(--line)}
.lane-row{display:flex;align-items:center;gap:26px;padding:26px 4px;border-bottom:1px solid var(--line);transition:background-color .2s ease}
.lane-row:hover{background:#FBF9F4}
.lane-num{flex:0 0 48px;width:48px;height:48px;border-radius:12px;background:rgba(226,78,34,.09);color:var(--brand);display:grid;place-items:center;font-size:17px;font-weight:700;font-variant-numeric:tabular-nums}
.lane-main{flex:1;min-width:0}
.lane-main h3{font-size:20px;margin-bottom:4px}
.lane-main p{font-size:15px;color:var(--ink-2);margin:0}
.lane-arrow{color:var(--ink-3);font-size:15px;transition:transform .2s ease,color .2s ease}
.lane-row:hover .lane-arrow{transform:translateX(5px);color:var(--brand)}

/* ============ 图墙 ============ */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.gcell{position:relative;overflow:hidden;border-radius:var(--r-img);border:1px solid var(--line);background:#fff}
.gcell img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.gcell:hover img{transform:scale(1.03)}
.gcap{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 14px;background:linear-gradient(to top,rgba(14,75,63,.85),rgba(14,75,63,0));color:#fff;font-size:14px}
.g-a{grid-column:span 8;height:300px}
.g-b{grid-column:span 4;height:300px}
.g-c{grid-column:span 4;height:220px}
.g-text{grid-column:span 4;height:220px;background:var(--accent);color:#fff;border-color:var(--accent);padding:24px;display:flex;flex-direction:column;justify-content:center;gap:8px}
.g-text h3{color:#fff;font-size:19px}
.g-text p{font-size:14px;color:var(--on-dark-2);margin:0}
.g-text .gline{width:36px;height:3px;border-radius:2px;background:var(--accent-2)}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;position:relative;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:rgba(226,78,34,.35)}
.step-idx{font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.08em;margin-bottom:12px;display:block}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.75}

/* ============ 数据条 ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{border-left:2px solid var(--line);padding-left:20px}
.metric b{display:block;font-size:34px;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2}
.metric span{font-size:14px;color:var(--ink-2)}

/* ============ 深色 CTA + 表单 ============ */
.cta-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:start}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--on-dark-2);align-items:flex-start}
.cta-points i{color:var(--accent-2);margin-top:6px;font-size:13px}
.form-card{background:#fff;border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-lg)}
.form-card h3{font-size:18px;color:var(--ink);margin-bottom:6px}
.form-card .form-hint{font-size:13.5px;color:var(--ink-3);margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:6px}
.field input,.field textarea{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;font-size:15px;outline:0;transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(226,78,34,.15)}
.field input::placeholder,.field textarea::placeholder{color:#A8ADA9}
.form-tip{font-size:13px;margin-top:12px;display:none}
.form-tip.ok{display:block;color:var(--accent)}
.form-actions{display:flex;justify-content:flex-end;margin-top:6px}
.form-actions .btn{width:160px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.faq-side{position:sticky;top:100px}
.faq-side p{margin-top:12px;font-size:15px;color:var(--ink-2)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:transparent;border:0;padding:22px 40px 22px 0;text-align:left;font-size:17px;font-weight:600;position:relative;cursor:pointer;transition:color .18s ease}
.faq-q:hover{color:var(--brand)}
.faq-q::before,.faq-q::after{content:"";position:absolute;right:6px;top:50%;background:var(--brand);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.faq-q::before{width:13px;height:1.6px;transform:translateY(-50%)}
.faq-q::after{width:1.6px;height:13px;transform:translate(6px,-50%) translateX(-6px) translateY(-50%)}
.faq-item.is-open .faq-q::after{transform:translate(6px,-50%) translateX(-6px) translateY(-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 40px 22px 0;font-size:16px;line-height:1.85;color:var(--ink-2)}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:rgba(226,78,34,.35)}
.news-thumb{display:block;aspect-ratio:3/2;overflow:hidden;background:#EFEBE2}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-soft{align-self:flex-start;font-size:12.5px;padding:3px 10px;border-radius:999px;background:rgba(226,78,34,.10);color:var(--brand);font-weight:600}
.news-title{font-size:17px;font-weight:600;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--brand)}
.news-exc{font-size:14px;color:var(--ink-2);margin:0;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{font-size:13px;color:var(--ink-3);margin-top:auto;padding-top:4px;font-variant-numeric:tabular-nums}
.empty-card{grid-column:1/-1;min-height:200px;border:1px dashed var(--line);background:#FBF9F4;border-radius:var(--r-card);display:flex;align-items:center;justify-content:center;gap:10px;color:var(--ink-3);font-size:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--accent);color:var(--on-dark);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:var(--on-dark-2)}
.footer-brand .brand-mark{background:var(--brand)}
.footer-desc{margin-top:16px;font-size:14px;color:var(--on-dark-2);line-height:1.85;max-width:280px}
.footer-col h4{font-size:14px;color:rgba(242,240,234,.62);font-weight:600;margin-bottom:16px;letter-spacing:.04em}
.footer-col li{line-height:2.1;font-size:14px}
.footer-col a{color:var(--on-dark-2)}
.footer-col a:hover{color:var(--accent-2)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(242,240,234,.58)}
.footer-bottom a{color:rgba(242,240,234,.72)}
.footer-bottom a:hover{color:var(--accent-2)}

/* ============ 移动端抽屉 ============ */
.mobile-menu{display:none}
@media (max-width:991px){
  .main-nav,.cmd-search,.nav-quick{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{height:62px;gap:12px}
  .nav-right .btn-brand{display:none}
  .mobile-menu{display:block;position:fixed;inset:62px 0 0 0;background:#fff;z-index:1035;padding:24px;overflow-y:auto;transform:translateX(100%);transition:transform .24s ease;visibility:hidden}
  body.menu-open .mobile-menu{transform:translateX(0);visibility:visible}
  body.menu-open{overflow:hidden}
  .mobile-search{display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);margin-bottom:20px}
  .mobile-search input{border:0;outline:0;background:transparent;width:100%;font-size:15px}
  .mobile-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
  .mobile-nav a{padding:16px 4px;font-size:18px;color:var(--ink-2);border-bottom:1px solid var(--line)}
  .mobile-nav a.active{color:var(--brand);font-weight:600}
  .mobile-cta{width:100%;margin-top:24px}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  h1{font-size:36px}
  h2{font-size:27px}
  :root{--sp-section:80px}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  :root{--sp-section:72px}
  .shell{padding:0 20px}
  .hero{padding:56px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .hero h1{font-size:32px}
  .hero-sub{font-size:17px}
  .cta-grid,.faq-wrap{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .gallery{grid-template-columns:repeat(6,1fr)}
  .g-a,.g-b{grid-column:span 6;height:260px}
  .g-c,.g-text{grid-column:span 3;height:200px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  body{font-size:16px}
  h1{font-size:28px}
  h2{font-size:24px}
  .shell{padding:0 16px}
  .cd-wrap{height:36px;gap:10px}
  .cd-label{font-size:12.5px}
  .cd-cell{min-width:40px;height:26px;padding:0 6px}
  .cd-cell b{font-size:14px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .lane-row{gap:16px;padding:20px 0;align-items:flex-start}
  .lane-num{width:42px;height:42px;flex:0 0 42px;font-size:15px}
  .lane-main h3{font-size:17px}
  .steps{grid-template-columns:1fr}
  .g-a,.g-b,.g-c,.g-text{grid-column:span 6;height:200px}
  .news-grid{grid-template-columns:1fr}
  .form-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .trust-row{gap:16px}
  .trust-row li+li::before{display:none}
  .hero-cta .btn{width:100%}
}
@media (max-width:520px){
  h1{font-size:25px}
  .hero-sub{font-size:16px}
  .metric b{font-size:28px}
  .g-a,.g-b,.g-c,.g-text{height:180px}
  .cd-label span{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --ink:#16181A;
  --ink-2:#4A5250;
  --ink-3:#7C827F;
  --line:#E4DFD5;
  --brand:#E24E22;
  --brand-dark:#B93A15;
  --accent:#0E4B3F;
  --accent-2:#F5C044;
  --danger:#C0392B;
  --radius:14px;
  --radius-sm:10px;
  --radius-img:12px;
  --shadow:0 1px 2px rgba(22,24,26,.04), 0 8px 24px -12px rgba(22,24,26,.14);
  --shadow-hover:0 10px 28px -10px rgba(22,24,26,.22);
  --shell:1200px;
  --bs-body-font-family:inherit;
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand-dark);
  --bs-border-color:var(--line);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{letter-spacing:-.01em;line-height:1.32;margin:0;font-weight:700;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px;}

/* ---------- 顶部状态条 ---------- */
.status-bar{background:var(--accent);color:#F2F0EA;font-size:14px;}
.status-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px;}
.status-left{display:flex;align-items:center;gap:8px;}
.status-left i{color:var(--accent-2);font-size:12px;}
.status-right{color:rgba(242,240,234,.72);font-size:13px;}
@media (max-width:767.98px){
  .status-inner{flex-direction:column;align-items:flex-start;gap:2px;padding-top:8px;padding-bottom:8px;}
  .status-right{font-size:12.5px;}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(22,24,26,.38);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--accent);color:var(--accent-2);
  display:grid;place-items:center;font-size:15px;
}
.brand-text strong{display:block;font-size:17px;font-weight:700;line-height:1.15;}
.brand-text small{display:block;font-size:11.5px;color:var(--ink-3);letter-spacing:.08em;line-height:1.3;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:6px;}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--brand);border-radius:2px;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 10px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:width .2s ease,border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.command-search i{color:var(--ink-3);font-size:13px;}
.command-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;}
.command-search input::placeholder{color:var(--ink-3);}
.command-search kbd{
  font-size:11px;color:var(--ink-3);background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;font-family:inherit;
}
.command-search:focus-within{width:320px;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(226,78,34,.15);}
.quick-link{font-size:14.5px;color:var(--ink-2);white-space:nowrap;}
.quick-link:hover{color:var(--brand);}
.btn-primary{
  --bs-btn-bg:var(--brand);--bs-btn-border-color:var(--brand);
  --bs-btn-hover-bg:var(--brand-dark);--bs-btn-hover-border-color:var(--brand-dark);
  --bs-btn-active-bg:var(--brand-dark);--bs-btn-active-border-color:var(--brand-dark);
  --bs-btn-color:#fff;--bs-btn-hover-color:#fff;--bs-btn-active-color:#fff;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;font-size:15px;font-weight:600;
  border-radius:var(--radius-sm);border:1px solid var(--brand);background:var(--brand);color:#fff;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease;
}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 22px;
  font-size:15px;font-weight:600;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:#fff;color:var(--ink);transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{border-color:rgba(226,78,34,.55);color:var(--brand);transform:translateY(-1px);}
.header-cta{padding:10px 18px;font-size:14.5px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);
  color:var(--ink);align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:rgba(226,78,34,.5);color:var(--brand);}

/* 移动抽屉 */
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:1050;background:#fff;
  padding:20px 20px 28px;flex-direction:column;gap:18px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-nav a{font-size:18px;color:var(--ink);padding:16px 0;border-bottom:1px solid var(--line);}
.drawer-nav a.active{color:var(--brand);font-weight:600;}
.drawer-search{display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;}
.drawer-cta{margin-top:auto;width:100%;}

@media (max-width:991.98px){
  .main-nav,.command-search,.quick-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
}
@media (max-width:575.98px){
  .shell{padding:0 16px;}
  .brand-text small{display:none;}
}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:22px 0 0;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9C2B4;}
.crumb .current{color:var(--ink-2);}

/* ---------- 文章头部 ---------- */
.article-head{padding:18px 0 26px;border-bottom:1px solid var(--line);}
.article-head h1{font-size:34px;line-height:1.35;margin:14px 0 18px;max-width:900px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-3);}
.badge-tag{
  display:inline-flex;align-items:center;height:24px;padding:3px 10px;border-radius:999px;
  background:rgba(226,78,34,.10);color:var(--brand);font-size:12.5px;font-weight:600;
}
.badge-tag.green{background:rgba(14,75,63,.10);color:var(--accent);}
.meta-dot{width:3px;height:3px;border-radius:50%;background:#C9C2B4;display:inline-block;}

/* ---------- 布局 ---------- */
.article-section{padding:48px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;align-items:start;}

/* 正文排版 */
.article-body{font-size:17px;line-height:1.9;color:var(--ink);max-width:760px;}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  font-size:24px;font-weight:700;margin:40px 0 14px;display:flex;align-items:center;gap:10px;
}
.article-body h2::before{content:"";width:20px;height:3px;border-radius:2px;background:var(--brand);flex-shrink:0;}
.article-body h3{font-size:18px;font-weight:600;margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.15em;}
.article-body li{margin-bottom:.5em;line-height:1.8;}
.article-body ul li::marker{color:var(--brand);}
.article-body ol li::marker{color:var(--brand);font-weight:600;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(226,78,34,.35);}
.article-body a:hover{border-bottom-color:var(--brand);}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:#EFEAE0;border-left:3px solid var(--brand);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:26px auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:15.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:#F1EDE4;font-weight:600;}
.article-body code{background:#F1EDE4;border-radius:6px;padding:2px 6px;font-size:15px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.article-empty{
  background:#fff;border:1px dashed #D7D0C2;border-radius:var(--radius);padding:40px 28px;text-align:center;
}
.article-empty i{font-size:26px;color:var(--ink-3);}
.article-empty h2{font-size:20px;margin:14px 0 8px;}
.article-empty p{font-size:14.5px;color:var(--ink-2);max-width:460px;margin:0 auto 20px;}

/* 标签与翻页 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;}
.tag-pill{
  display:inline-flex;align-items:center;height:30px;padding:4px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:all .18s ease;
}
.tag-pill:hover{border-color:rgba(226,78,34,.4);color:var(--brand);}

.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px;}
.prevnext a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;color:var(--ink);transition:all .18s ease;
}
.prevnext a:hover{border-color:rgba(226,78,34,.35);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.prevnext span{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:6px;}
.prevnext strong{font-size:16.5px;font-weight:600;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:22px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand);font-size:13px;}
.side-list{display:flex;flex-direction:column;}
.side-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink);}
.side-item:last-child{border-bottom:0;padding-bottom:0;}
.side-item:first-child{padding-top:0;}
.side-item img{width:76px;height:56px;object-fit:cover;border-radius:8px;flex-shrink:0;}
.side-item strong{display:block;font-size:14.5px;font-weight:600;line-height:1.5;}
.side-item small{display:block;font-size:12.5px;color:var(--ink-3);margin-top:4px;}
.side-item:hover strong{color:var(--brand);}
.side-cta{background:var(--accent);color:#F2F0EA;border:0;}
.side-cta h3{color:#fff;}
.side-cta h3 i{color:var(--accent-2);}
.side-cta p{font-size:14px;color:rgba(242,240,234,.75);margin-bottom:16px;}
.side-cta .btn-white{
  display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:44px;padding:11px 18px;
  border-radius:var(--radius-sm);background:#fff;color:var(--accent);font-weight:600;font-size:15px;
  transition:background-color .18s ease,transform .18s ease;
}
.side-cta .btn-white:hover{background:var(--accent-2);color:var(--accent);transform:translateY(-1px);}

/* ---------- 相关推荐 ---------- */
.related{padding:80px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;}
.sec-head h2{font-size:30px;}
.sec-head p{font-size:14.5px;color:var(--ink-3);margin:8px 0 0;}
.more-link{font-size:14.5px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.more-link i{transition:transform .18s ease;}
.more-link:hover i{transform:translateX(4px);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:all .2s ease;height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(226,78,34,.35);}
.card-thumb{overflow:hidden;aspect-ratio:3/2;background:#EFEAE0;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;}
.card-body h3 a{color:var(--ink);}
.card-body h3 a:hover{color:var(--brand);}
.card-desc{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.card-meta{margin-top:auto;font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:8px;padding-top:8px;}

/* ---------- FAQ ---------- */
.faq-block{padding:80px 0;background:var(--bg);}
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start;}
.faq-intro{position:sticky;top:100px;}
.faq-intro h2{font-size:30px;margin-bottom:14px;}
.faq-intro p{font-size:15px;color:var(--ink-2);max-width:340px;}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;}
.faq-accordion .accordion-button{
  background:transparent;color:var(--ink);font-size:17px;font-weight:600;padding:20px 0;
  box-shadow:none;border-radius:0;display:flex;align-items:center;gap:16px;
}
.faq-accordion .accordion-button:not(.collapsed){background:transparent;color:var(--ink);box-shadow:none;}
.faq-accordion .accordion-button:focus{box-shadow:none;border:0;outline:2px solid var(--accent-2);outline-offset:2px;}
.faq-accordion .accordion-button::after{
  content:"";margin-left:auto;width:15px;height:15px;flex-shrink:0;background-image:none;
  background:
    linear-gradient(var(--brand),var(--brand)) center/15px 1.5px no-repeat,
    linear-gradient(var(--brand),var(--brand)) center/1.5px 15px no-repeat;
  transition:transform .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-accordion .accordion-body{padding:0 0 22px;font-size:16px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;padding:96px 0;color:#F2F0EA;overflow:hidden;
  background-image:linear-gradient(rgba(14,75,63,.92),rgba(14,75,63,.92)),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
}
.cta-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:56px;align-items:center;}
.cta-copy h2{font-size:30px;color:#fff;margin-bottom:14px;}
.cta-copy p{font-size:15.5px;color:rgba(242,240,234,.78);max-width:480px;}
.cta-points{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(242,240,234,.9);}
.cta-points i{color:var(--accent-2);margin-top:5px;font-size:13px;}
.cta-form{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);color:var(--ink);}
.cta-form h3{font-size:19px;margin-bottom:6px;}
.cta-form .form-note{font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.field{margin-bottom:15px;}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;min-height:44px;padding:10px 14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);outline:none;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:88px;resize:vertical;}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(226,78,34,.15);}
.field .hint{font-size:12.5px;color:var(--ink-3);margin-top:5px;}
.form-actions{display:flex;justify-content:flex-end;}
.form-actions .btn-primary{width:160px;}
@media (max-width:575.98px){
  .form-actions{justify-content:stretch;}
  .form-actions .btn-primary{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--accent);color:#F2F0EA;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2.4fr) minmax(0,2.4fr) minmax(0,3fr);gap:40px;padding-bottom:48px;}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.10);color:var(--accent-2);}
.site-footer .brand-text small{color:rgba(242,240,234,.6);}
.footer-desc{font-size:14px;color:rgba(242,240,234,.72);margin:16px 0 0;max-width:320px;line-height:1.8;}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(242,240,234,.6);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{list-style:none;}
.footer-col li{font-size:14px;line-height:2;color:rgba(242,240,234,.86);}
.footer-col a{color:rgba(242,240,234,.86);}
.footer-col a:hover{color:var(--accent-2);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:10px;font-size:12.5px;color:rgba(242,240,234,.6);
}

/* 返回顶部 */
.to-top{
  position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:12px;
  background:#fff;border:1px solid var(--line);color:var(--ink);display:grid;place-items:center;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .2s ease;z-index:1020;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:rgba(226,78,34,.4);color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-head h1{font-size:30px;}
  .sec-head h2,.faq-intro h2,.cta-copy h2{font-size:26px;}
}
@media (max-width:991.98px){
  .article-section{padding:40px 0 56px;}
  .article-layout{grid-template-columns:1fr;gap:36px;}
  .article-side{position:static;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-intro{position:static;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .related,.faq-block,.cta-band{padding:64px 0;}
}
@media (max-width:767.98px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .prevnext{grid-template-columns:1fr;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16.5px;}
  .site-footer{padding-top:56px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .brand-text strong{font-size:16px;}
  .btn-primary,.btn-ghost{width:100%;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --ink:#16181A;
  --ink-2:#4A5250;
  --ink-3:#7C827F;
  --line:#E4DFD5;
  --brand:#E24E22;
  --brand-dark:#B93A15;
  --accent:#0E4B3F;
  --accent-soft:#0B3A31;
  --accent-2:#F5C044;
  --danger:#C0392B;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(22,24,26,.04), 0 8px 24px -12px rgba(22,24,26,.14);
  --shadow-lg:0 10px 28px -10px rgba(22,24,26,.22);
  --shell:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;line-height:1.32;font-weight:700}
h3{font-weight:600}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}
::selection{background:rgba(226,78,34,.18)}

.shell{max-width:var(--shell);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--cream{background:var(--bg)}
.section--white{background:var(--surface)}
.section--dark{background:var(--accent);color:#F2F0EA}
.section--dark h2,.section--dark h3{color:#F2F0EA}
.energy-bar{height:4px;background:linear-gradient(90deg,var(--brand),var(--accent-2));border-radius:999px}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.04em;color:var(--brand);text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent-2))}
.sec-head{max-width:640px;margin-bottom:44px}
.sec-head h2{font-size:30px;margin-bottom:14px}
.sec-head p{font-size:16px;color:var(--ink-2);margin:0}
.lead{font-size:17px;color:var(--ink-2)}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .18s ease;
}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.btn-line{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-line:hover{border-color:rgba(226,78,34,.5);color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#F2F0EA;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:#fff;color:var(--accent);border-color:#fff}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.arrow-link i{transition:transform .18s ease}
.arrow-link:hover i{transform:translateX(4px)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(22,24,26,.4);background:rgba(255,255,255,.96)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 34px;
  background:var(--accent);color:var(--accent-2);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:-.01em}
.brand-text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px}
.main-nav .nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--ink-2);
  background:none;border:0;border-radius:0;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.main-nav .nav-link:hover{color:var(--ink)}
.main-nav .nav-link:hover::after{transform:scaleX(1)}
.main-nav .nav-link.active{color:var(--ink);font-weight:600}
.main-nav .nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.command-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;padding:0 34px 0 36px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:width .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.command-search i.fa-magnifying-glass{position:absolute;left:13px;font-size:13px;color:var(--ink-3)}
.command-search input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.command-search input::placeholder{color:var(--ink-3)}
.command-search kbd{
  position:absolute;right:9px;top:50%;transform:translateY(-50%);
  font-size:11px;color:var(--ink-3);background:#fff;border:1px solid var(--line);
  border-radius:5px;padding:1px 6px;font-family:inherit;
}
.command-search:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(226,78,34,.15)}
.quick-link{font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap}
.quick-link:hover{color:var(--brand)}
.header-actions .btn-brand{min-height:40px;padding:10px 18px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--ink);font-size:16px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:rgba(226,78,34,.5);color:var(--brand)}
.mobile-drawer{
  position:fixed;inset:0;z-index:1060;background:#fff;
  padding:22px 20px 32px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(100%);transition:transform .22s ease;visibility:hidden;
}
.mobile-drawer.open{transform:translateX(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;font-size:16px;color:var(--ink)}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-btn);
}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;font-family:inherit;color:var(--ink)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:18px;font-weight:500;color:var(--ink);padding:16px 0;border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);font-weight:600}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer-cta .btn-brand,.drawer-cta .btn-line{width:100%}

/* ============ 内页页头 ============ */
.page-head{background:var(--bg);border-bottom:1px solid var(--line);padding:34px 0 0}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.breadcrumb-line a{color:var(--ink-3)}
.breadcrumb-line a:hover{color:var(--brand)}
.breadcrumb-line .sep{color:#C9C3B7}
.breadcrumb-line .current{color:var(--ink-2)}
.page-head-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:46px;align-items:center;padding-bottom:44px}
.page-head h1{font-size:32px;margin:12px 0 16px}
.page-head .lead{max-width:640px;margin:0 0 22px}
.page-head-media{position:relative;border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-sm)}
.page-head-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.page-head-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,75,63,.14),rgba(14,75,63,.30));
}
.head-facts{display:flex;flex-wrap:wrap;gap:0 22px;padding-top:16px}
.head-facts div{font-size:14px;color:var(--ink-2);padding-right:22px;border-right:1px solid var(--line)}
.head-facts div:last-child{border-right:0;padding-right:0}
.head-facts b{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}

/* ============ 图文交替 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-sm)}
.split-media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .35s ease}
.split-media:hover img{transform:scale(1.03)}
.split-media .tag-float{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);
  color:var(--accent);font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;
}
.split-body h2{font-size:30px;margin-bottom:16px}
.split-body p{color:var(--ink-2);max-width:560px}
.split.reverse .split-media{order:2}
.split.reverse .split-body{order:1}
.check-list{margin:22px 0 24px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:11px;font-size:15.5px;line-height:1.75;color:var(--ink-2)}
.check-list i{color:var(--accent);font-size:13px;margin-top:7px}

/* ============ 步骤条 ============ */
.step-strip{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.step-row{display:grid;grid-template-columns:74px 1fr auto;gap:22px;align-items:center;padding:24px 26px;border-bottom:1px solid var(--line)}
.step-row:last-child{border-bottom:0}
.step-num{
  width:52px;height:52px;border-radius:12px;background:rgba(226,78,34,.10);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-row h3{font-size:20px;margin-bottom:6px}
.step-row p{margin:0;font-size:15px;color:var(--ink-2)}
.step-row .step-icon{color:var(--ink-3);font-size:15px}
.step-row:hover{background:#FBF9F4}
.step-row:hover .step-icon{color:var(--brand)}

/* ============ 问题处理表 ============ */
.fix-table{border-top:1px solid var(--line)}
.fix-row{
  display:grid;grid-template-columns:280px 1fr;gap:32px;
  padding:24px 0;border-bottom:1px solid var(--line);align-items:start;
}
.fix-row h3{font-size:17px;margin-bottom:0}
.fix-row h3 span{display:block;font-size:12.5px;font-weight:500;color:var(--ink-3);margin-top:6px}
.fix-row p{margin:0;font-size:15.5px;color:var(--ink-2);line-height:1.8}
.fix-note{
  display:flex;gap:12px;align-items:flex-start;margin-top:28px;padding:18px 20px;
  background:#FBF9F4;border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:10px;
}
.fix-note i{color:var(--brand);margin-top:6px}
.fix-note p{margin:0;font-size:15px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:104px}
.faq-aside h2{font-size:30px;margin:12px 0 14px}
.faq-aside p{color:var(--ink-2);font-size:15.5px}
.faq-list .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-list .accordion-button{
  background:transparent;border:0;box-shadow:none;padding:22px 44px 22px 0;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;border-radius:0;
}
.faq-list .accordion-button:not(.collapsed){color:var(--brand);background:transparent}
.faq-list .accordion-button::after{
  background-image:none;content:"+";font-size:20px;font-weight:400;color:var(--brand);
  display:flex;align-items:center;justify-content:center;width:26px;height:26px;
  line-height:1;transition:color .18s ease;
}
.faq-list .accordion-button:not(.collapsed)::after{content:"−";color:var(--accent)}
.faq-list .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent-2);outline-offset:2px}
.faq-list .accordion-body{padding:0 44px 24px 0;font-size:16px;line-height:1.85;color:var(--ink-2)}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--accent);color:#F2F0EA;border-radius:var(--radius-card);
  padding:48px 46px;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;
}
.cta-band h2{color:#F2F0EA;font-size:28px;margin-bottom:14px}
.cta-band p{color:rgba(242,240,234,.72);margin:0 0 20px;font-size:15.5px}
.cta-band .mini-points{display:flex;flex-direction:column;gap:11px;margin:0}
.cta-band .mini-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(242,240,234,.85)}
.cta-band .mini-points i{color:var(--accent-2);margin-top:7px;font-size:12px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.rel-card{
  display:flex;align-items:center;gap:22px;padding:26px 28px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);color:var(--ink);
  transition:all .18s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(226,78,34,.35);box-shadow:var(--shadow-lg);color:var(--ink)}
.rel-card .rel-icon{
  width:50px;height:50px;flex:0 0 50px;border-radius:12px;background:rgba(14,75,63,.08);
  color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:18px;
}
.rel-card h3{font-size:19px;margin-bottom:6px}
.rel-card p{margin:0;font-size:14.5px;color:var(--ink-2)}
.rel-card .rel-go{margin-left:auto;color:var(--brand);font-size:15px}

/* ============ 页脚 ============ */
.site-footer{background:var(--accent-soft);color:#F2F0EA;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.site-footer .brand{color:#F2F0EA}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-mark{background:rgba(255,255,255,.10);color:var(--accent-2)}
.site-footer .brand-text small{color:rgba(242,240,234,.6)}
.footer-desc{font-size:14px;color:rgba(242,240,234,.72);margin:18px 0 0;max-width:320px;line-height:1.8}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(242,240,234,.6);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li,.footer-col a{font-size:14px;color:rgba(242,240,234,.85);line-height:1.7}
.footer-col a:hover{color:var(--accent-2)}
.footer-bottom{
  border-top:1px solid rgba(242,240,234,.16);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(242,240,234,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .sec-head h2,.split-body h2,.faq-aside h2{font-size:27px}
  .section{padding:80px 0}
}
@media (max-width:991px){
  .main-nav,.command-search,.quick-link{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-brand{display:none}
  .header-inner{gap:16px}
  .page-head-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .page-head-media{order:-1}
  .page-head h1{font-size:28px}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .split.reverse .split-body{order:0}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .cta-band{grid-template-columns:1fr;padding:38px 30px}
  .cta-actions{justify-content:flex-start}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .step-row{grid-template-columns:60px 1fr;gap:16px}
  .step-row .step-icon{display:none}
  .fix-row{grid-template-columns:1fr;gap:10px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .shell{padding:0 16px}
  .page-head{padding-top:24px}
  .page-head h1{font-size:26px}
  .sec-head{margin-bottom:30px}
  .sec-head h2,.split-body h2,.faq-aside h2{font-size:24px}
  .step-num{width:44px;height:44px;font-size:15px;border-radius:10px}
  .step-row{padding:20px 18px}
  .step-row h3{font-size:18px}
  .faq-list .accordion-button{font-size:16px;padding:18px 36px 18px 0}
  .cta-band{padding:30px 22px;border-radius:12px}
  .rel-card{padding:20px;gap:16px}
  .rel-card .rel-go{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:575px){
  .head-facts{flex-direction:column;gap:8px}
  .head-facts div{border-right:0;padding-right:0}
  .btn-brand,.btn-line,.btn-ghost{width:100%}
  .cta-actions{flex-direction:column}
  .rel-card{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --ink:#16181A;
  --ink-2:#4A5250;
  --ink-3:#7C827F;
  --line:#E4DFD5;
  --brand:#E24E22;
  --brand-dark:#B93A15;
  --accent:#0E4B3F;
  --accent-2:#F5C044;
  --on-dark:#F2F0EA;
  --on-dark-2:rgba(242,240,234,.72);
  --err:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(22,24,26,.04),0 8px 24px -12px rgba(22,24,26,.14);
  --shadow-2:0 10px 28px -10px rgba(22,24,26,.22);
  --sec-pad:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);}
button,input,textarea{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:-.01em;font-weight:700;}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:20px;font-weight:600;}
h4{font-size:17px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:600;color:var(--brand);letter-spacing:.04em;}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent-2));}
.eyebrow-light{color:var(--accent-2);}
.eyebrow-light::before{background:linear-gradient(90deg,var(--accent-2),rgba(245,192,68,.35));}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:rgba(226,78,34,.35);color:var(--brand);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--accent);border-color:#fff;}
.btn-header{min-height:40px;padding:0 18px;font-size:14.5px;}
.btn-block{width:100%;}

/* 标签与徽章 */
.chip{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(226,78,34,.10);color:var(--brand);
  font-size:12.5px;font-weight:600;line-height:1.6;
}
.chip-muted{background:rgba(14,75,63,.08);color:var(--accent);}
.chip-light{background:rgba(255,255,255,.14);color:var(--on-dark);}

/* 顶栏 */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.98);box-shadow:0 10px 30px -22px rgba(22,24,26,.55);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;font-size:15px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.08;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
.brand-text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.1em;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:600;}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 10px;
  background:var(--bg);border:1px solid var(--line);border-radius:10px;
  transition:width .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.command-search i{color:var(--ink-3);font-size:13px;}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:13.5px;color:var(--ink);
}
.command-search input::placeholder{color:var(--ink-3);}
.command-search kbd{
  font-family:inherit;font-size:11px;color:var(--ink-3);background:#fff;
  border:1px solid var(--line);border-radius:5px;padding:1px 6px;
}
.command-search:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(226,78,34,.15);}
.ghost-link{font-size:14.5px;color:var(--ink-2);}
.ghost-link:hover{color:var(--brand);}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(14,75,63,.98);
  display:none;flex-direction:column;padding:20px 20px 28px;color:var(--on-dark);
}
.mobile-drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-head .brand-text strong{color:#fff;}
.drawer-head .brand-text small{color:var(--on-dark-2);}
.drawer-close{
  width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.3);
  background:transparent;color:#fff;cursor:pointer;
}
.drawer-search{width:100%;background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.24);margin-bottom:22px;}
.drawer-search input{color:#fff;}
.drawer-search input::placeholder{color:rgba(242,240,234,.6);}
.drawer-search i{color:rgba(242,240,234,.7);}
.drawer-search kbd{background:transparent;color:rgba(242,240,234,.7);border-color:rgba(255,255,255,.28);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  font-size:18px;padding:14px 0;color:var(--on-dark);
  border-bottom:1px solid rgba(255,255,255,.14);
}
.drawer-nav a.active{color:var(--accent-2);font-weight:600;}
.drawer-cta{margin-top:auto;}

/* 页头 */
.page-head{padding:52px 0 64px;background:var(--bg);}
.breadcrumb-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:24px;flex-wrap:wrap;}
.breadcrumb-row a{color:var(--ink-3);}
.breadcrumb-row a:hover{color:var(--brand);}
.breadcrumb-row .sep{color:#C9C2B4;}
.breadcrumb-row .current{color:var(--ink-2);}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:48px;align-items:center;}
.page-head h1{margin-top:16px;}
.page-lede{margin-top:18px;max-width:640px;font-size:17px;line-height:1.85;color:var(--ink-2);}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.page-head-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}

/* 通用分区 */
.section{padding:var(--sec-pad) 0;}
.section-tight{padding:72px 0;}
.section-surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:40px;align-items:end;margin-bottom:40px;}
.section-head h2{margin-top:14px;}
.section-note{font-size:15px;line-height:1.85;color:var(--ink-2);}

/* 速览深色条 */
.overview-band{
  position:relative;overflow:hidden;border-radius:var(--r-card);padding:44px 40px;color:var(--on-dark);
  background-image:linear-gradient(rgba(14,75,63,.88),rgba(14,75,63,.94)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;box-shadow:var(--shadow-1);
}
.overview-band h2{margin-top:14px;color:var(--on-dark);}
.band-text{margin-top:14px;max-width:640px;font-size:15.5px;line-height:1.85;color:var(--on-dark-2);}
.overview-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:28px;}
.stat b{display:block;font-size:30px;line-height:1.2;color:var(--accent-2);font-variant-numeric:tabular-nums;font-weight:700;}
.stat span{font-size:14px;color:var(--on-dark-2);}

/* bento 图墙 */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-top:28px;}
.bento-item{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1);}
.bento-item img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease;}
.bento-item:hover img{transform:scale(1.03);}
.bento-item:hover{border-color:rgba(226,78,34,.35);}
.bento-caption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;line-height:1.6;color:#fff;
  background:linear-gradient(transparent,rgba(10,20,18,.72));
}
.span-8{grid-column:span 8;}
.span-4{grid-column:span 4;}
.h-lg{height:300px;}
.h-md{height:240px;}
.bento-text{
  display:flex;flex-direction:column;justify-content:center;gap:10px;padding:26px;
  background:var(--accent);color:var(--on-dark);border-color:var(--accent);
}
.bento-text h3{color:var(--on-dark);font-size:19px;}
.bento-text p{font-size:14px;line-height:1.8;color:var(--on-dark-2);}

/* 对照表 */
.spec-list{border-top:1px solid var(--line);}
.spec-row{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:32px;padding:26px 0;border-bottom:1px solid var(--line);}
.spec-key{display:flex;gap:14px;align-items:flex-start;}
.spec-idx{font-size:13px;font-weight:700;color:var(--brand);padding-top:5px;font-variant-numeric:tabular-nums;}
.spec-key h3{font-size:17px;font-weight:600;line-height:1.5;}
.spec-val p{font-size:15px;line-height:1.85;color:var(--ink-2);}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(226,78,34,.35);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;
  background:rgba(226,78,34,.10);color:var(--brand);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}

/* 排行 */
.rank-list{border-top:1px solid var(--line);}
.rank-row{display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);}
.rank-num{font-size:22px;font-weight:700;color:rgba(226,78,34,.38);font-variant-numeric:tabular-nums;}
.rank-body h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.rank-body p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.rank-tag{font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;white-space:nowrap;}
.tag-high{background:rgba(226,78,34,.10);color:var(--brand);}
.tag-mid{background:rgba(245,192,68,.20);color:#8A6410;}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:56px;align-items:start;}
.faq-aside{position:sticky;top:104px;}
.faq-aside h2{margin-top:14px;margin-bottom:16px;}
.aside-text{font-size:15px;line-height:1.85;color:var(--ink-2);margin-bottom:22px;max-width:340px;}
.faq-list{border-top:1px solid var(--line);}
.faq-list .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.faq-list .accordion-header{margin:0;}
.faq-list .accordion-button{
  background:transparent;box-shadow:none;color:var(--ink);font-size:17px;font-weight:600;
  padding:20px 44px 20px 0;border-radius:0;line-height:1.6;
}
.faq-list .accordion-button:not(.collapsed){background:transparent;color:var(--ink);box-shadow:none;}
.faq-list .accordion-button::after{display:none;}
.faq-list .accordion-button .faq-icon{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:22px;height:22px;color:var(--brand);font-size:15px;font-weight:400;
  display:grid;place-items:center;transition:transform .2s ease;
}
.faq-list .accordion-button:not(.collapsed) .faq-icon{transform:translateY(-50%) rotate(45deg);}
.faq-list .accordion-body{padding:0 44px 22px 0;font-size:16px;line-height:1.85;color:var(--ink-2);}

/* 互链大卡 */
.cross-links{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.cross-card{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 28px;
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(226,78,34,.35);color:inherit;}
.cross-card h3{font-size:19px;margin-bottom:8px;}
.cross-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.cross-card i{font-size:18px;color:var(--brand);flex:0 0 auto;}
.cross-card.is-current .cross-card-flag{
  display:inline-block;margin-bottom:8px;font-size:12.5px;font-weight:600;color:var(--accent);
  background:rgba(14,75,63,.08);border-radius:999px;padding:3px 10px;
}

/* CTA */
.cta-band{background:var(--accent);color:var(--on-dark);padding:var(--sec-pad) 0;}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:56px;align-items:start;}
.cta-copy h2{color:var(--on-dark);margin-top:14px;}
.cta-copy .cta-text{margin-top:16px;max-width:560px;font-size:15.5px;line-height:1.85;color:var(--on-dark-2);}
.check-list{margin-top:24px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;font-size:15px;color:var(--on-dark-2);}
.check-list i{color:var(--accent-2);font-size:14px;padding-top:6px;}
.lead-form{background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-2);color:var(--ink);}
.lead-form h3{font-size:19px;margin-bottom:6px;}
.lead-form .form-hint{font-size:13.5px;color:var(--ink-3);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;min-height:44px;padding:10px 12px;font-size:15px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:10px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(226,78,34,.15);}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.form-foot{display:flex;justify-content:flex-end;margin-top:20px;}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;}

/* 浮动操作条 */
.float-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  padding:10px 16px;gap:12px;
}
.float-bar .btn{flex:1;min-height:44px;font-size:14.5px;}

/* 页脚 */
.site-footer{background:var(--accent);color:var(--on-dark);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:var(--on-dark-2);}
.footer-desc{margin-top:18px;max-width:320px;font-size:14px;line-height:1.9;color:var(--on-dark-2);}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(242,240,234,.62);margin-bottom:14px;}
.footer-col ul li{font-size:14px;line-height:2;}
.footer-col ul li a{color:var(--on-dark);}
.footer-col ul li a:hover{color:var(--accent-2);}
.footer-col ul li span{color:var(--on-dark-2);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.14);
  font-size:12.5px;color:rgba(242,240,234,.6);
}

/* 响应式 */
@media (max-width:1199.98px){
  :root{--sec-pad:80px;}
  h1{font-size:36px;}
  h2{font-size:27px;}
  .main-nav{gap:22px;}
  .command-search{width:190px;}
}
@media (max-width:991.98px){
  :root{--sec-pad:72px;}
  .main-nav,.command-search,.ghost-link{display:none;}
  .menu-toggle{display:inline-flex;}
  h1{font-size:32px;}
  h2{font-size:25px;}
  .page-head-grid{grid-template-columns:1fr;gap:32px;}
  .page-head-media{order:-1;}
  .page-head-media img{aspect-ratio:16/9;}
  .section-head{grid-template-columns:1fr;gap:18px;align-items:start;}
  .bento{grid-template-columns:repeat(6,1fr);}
  .span-8{grid-column:span 6;}
  .span-4{grid-column:span 3;}
  .h-lg{height:260px;}
  .h-md{height:220px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .cross-links{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .overview-band{padding:36px 28px;}
}
@media (max-width:767.98px){
  :root{--sec-pad:56px;}
  body{font-size:16px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  .header-inner{height:62px;}
  .spec-row{grid-template-columns:1fr;gap:12px;padding:22px 0;}
  .rank-row{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .rank-tag{grid-column:2;justify-self:start;margin-top:2px;}
  .bento{grid-template-columns:1fr;gap:16px;}
  .span-8,.span-4{grid-column:span 1;}
  .h-lg,.h-md{height:210px;}
  .float-bar{display:flex;}
  .site-footer{padding-bottom:72px;}
}
@media (max-width:575.98px){
  .shell{padding:0 16px;}
  h1{font-size:26px;}
  .page-head{padding:36px 0 44px;}
  .overview-stats{gap:26px;}
  .stat b{font-size:24px;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .form-foot{justify-content:stretch;}
  .form-foot .btn{width:100%;}
  .faq-list .accordion-button{font-size:16px;padding-right:36px;}
  .faq-list .accordion-body{padding-right:0;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}