/* roulang page: index */
:root{
  --brand-900:#0C2725;
  --brand-700:#14635C;
  --brand-500:#1E8C7F;
  --accent-500:#E4763A;
  --accent-300:#F4A15C;
  --ink:#14201E;
  --ink-2:#4E615D;
  --ink-3:#8A9995;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --line:#E2E7E3;
  --ok:#2E8B57;
  --warn:#E0A32E;
  --err:#C4523F;
  --info:#3E7BA6;
  --grad:linear-gradient(120deg,#0C4F49,#1E8C7F 50%,#E4763A);
  --r-card:20px;
  --r-img:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 6px 20px rgba(12,39,37,.06);
  --sh-2:0 14px 34px rgba(12,39,37,.12);
  --sh-3:0 20px 48px rgba(12,39,37,.16);
  --sec:96px;
  --font:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:16px;line-height:28px;color:var(--ink);background:var(--bg);}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em}
h1{font-size:40px;line-height:48px}
h2{font-size:28px;line-height:36px}
h3{font-size:20px;line-height:28px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0}
.section.tight{padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--brand-700);background:#E7F1EE;border-radius:999px;padding:6px 14px;letter-spacing:.02em}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:44px}
.sec-head .lead{margin-top:14px;color:var(--ink-2);max-width:640px;font-size:16px;line-height:28px}
.sec-head h2{margin-top:16px}
.muted{color:var(--ink-2)}
.meta{color:var(--ink-3);font-size:13px;line-height:22px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-weight:500;font-size:15px;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;white-space:nowrap}
.btn-primary{background:var(--grad);background-size:150% 100%;color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);background-position:100% 0}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand-700);border:1px solid var(--brand-500)}
.btn-ghost:hover{color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost:active{transform:translateY(1px)}
.btn-text{color:var(--brand-500);font-weight:500;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid rgba(30,140,127,.35);padding:2px 0;height:auto;border-radius:0}
.btn-text:hover{color:var(--brand-700);border-bottom-color:var(--brand-700)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,247,245,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);display:grid;place-items:center;flex:0 0 auto;box-shadow:var(--sh-1)}
.logo-mark svg{width:20px;height:20px}
.logo-text{font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.nav-tabs{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none}
.nav-tabs::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;font-weight:500;white-space:nowrap;transition:all .2s ease}
.chip:hover{color:var(--brand-700);border-color:var(--brand-500);transform:translateY(-1px)}
.chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-1)}
.chip.is-active:hover{color:#fff}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.mobile-chips{display:none;border-top:1px solid var(--line);background:#fff}
.chips-scroll{display:flex;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none}
.chips-scroll::-webkit-scrollbar{display:none}
.drawer{position:fixed;inset:0;z-index:80;background:var(--bg);transform:translateY(-8px);opacity:0;visibility:hidden;transition:all .25s ease;padding:20px;overflow-y:auto}
.drawer.is-open{transform:none;opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--ink-2)}
.drawer-nav{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.drawer-nav .chip{height:48px;justify-content:flex-start;font-size:15px;padding:0 18px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 88px;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(30,140,127,.10),rgba(30,140,127,0) 68%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center;position:relative;z-index:1}
.hero h1{margin:20px 0 18px;max-width:14em}
.hero-sub{color:var(--ink-2);font-size:17px;line-height:30px;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 34px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.badge{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1)}
.badge strong{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand-700);line-height:1}
.badge span{font-size:12px;color:var(--ink-3);line-height:18px}
.badge.solid{background:var(--brand-900);border-color:transparent}
.badge.solid strong{color:#fff}
.badge.solid span{color:rgba(255,255,255,.78)}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:420px;object-fit:cover;border-radius:24px;box-shadow:var(--sh-2)}
.hero-visual::before{content:"";position:absolute;inset:auto -18px -18px auto;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(228,118,58,.22),rgba(228,118,58,0) 70%);z-index:-1}
.hero-note{position:absolute;left:22px;bottom:22px;background:rgba(12,39,37,.82);color:#fff;border-radius:14px;padding:12px 18px;font-size:13px;line-height:20px;max-width:250px;backdrop-filter:blur(4px)}

/* ---------- 痛点 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pain-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pain-icon{width:44px;height:44px;border-radius:14px;background:#E7F1EE;display:grid;place-items:center;margin-bottom:18px}
.pain-icon svg{width:22px;height:22px;stroke:var(--brand-700);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.pain-card h3{font-size:17px;line-height:26px;margin-bottom:10px}
.pain-card p{color:var(--ink-2);font-size:14px;line-height:24px}

/* ---------- 解决方案 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:36px}
.step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;position:relative;box-shadow:var(--sh-1)}
.step b{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;background:var(--grad);color:#fff;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px}
.step h3{font-size:16px;line-height:25px;margin-bottom:8px}
.step p{font-size:13px;line-height:22px;color:var(--ink-2)}
.step::after{content:"";position:absolute;right:-13px;top:38px;width:10px;height:10px;border-top:2px solid var(--accent-300);border-right:2px solid var(--accent-300);transform:rotate(45deg)}
.step:last-child::after{display:none}
.main-card{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--sh-1)}
.main-card-media{position:relative;min-height:340px}
.main-card-media img{width:100%;height:100%;object-fit:cover}
.main-card-body{padding:40px 44px}
.main-card-body h3{font-size:22px;line-height:32px;margin-bottom:14px}
.main-card-body > p{color:var(--ink-2);font-size:15px;line-height:27px}
.ability-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
.ability{display:flex;gap:12px}
.ability i{width:8px;height:8px;border-radius:50%;background:var(--accent-500);margin-top:9px;flex:0 0 auto}
.ability b{display:block;font-size:15px;font-weight:700;margin-bottom:4px}
.ability p{font-size:13px;line-height:22px;color:var(--ink-2)}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--brand-900);border-radius:28px;padding:52px 48px;color:#fff;position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.stats-band::after{content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(30,140,127,.35),rgba(30,140,127,0) 70%)}
.stats-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:32px;position:relative;z-index:1}
.stats-head h2{color:#fff}
.stats-head p{color:rgba(255,255,255,.72);font-size:15px;line-height:26px;max-width:520px;margin-top:12px}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;z-index:1}
.stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:22px 22px 20px}
.stat strong{display:block;font-size:30px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:6px}
.stat span{font-size:13px;color:rgba(255,255,255,.78);line-height:22px;display:block;margin-bottom:14px}
.bar{height:4px;border-radius:999px;background:rgba(255,255,255,.16);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-500),var(--accent-300))}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-cover{position:relative;display:block;overflow:hidden}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-cover img{transform:scale(1.03)}
.cat-chip{position:absolute;left:14px;top:14px;background:rgba(12,39,37,.78);color:#fff;font-size:12px;line-height:1;padding:7px 12px;border-radius:999px;backdrop-filter:blur(4px)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body h3{font-size:18px;line-height:27px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--ink)}
.news-card:hover .news-body h3 a{color:var(--brand-500)}
.news-body p{font-size:14px;line-height:24px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.news-foot .more{color:var(--brand-500);font-weight:500}
.news-card:hover .news-foot .more{color:var(--brand-700)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);text-align:center}
.empty-state .glyph{width:56px;height:56px;border-radius:18px;background:#E7F1EE;display:grid;place-items:center}
.empty-state .glyph svg{width:26px;height:26px;stroke:var(--brand-700);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{color:var(--ink-2);font-size:15px}

/* ---------- 证言 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;box-shadow:var(--sh-1);position:relative}
.quote-card::before{content:"”";position:absolute;right:26px;top:14px;font-size:56px;line-height:1;color:rgba(30,140,127,.16);font-family:Georgia,serif}
.quote-card p{font-size:15px;line-height:28px;color:var(--ink-2);margin-bottom:22px}
.quote-user{display:flex;align-items:center;gap:12px}
.quote-user img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.quote-user b{display:block;font-size:14px}
.quote-user span{font-size:12px;color:var(--ink-3)}

/* ---------- FAQ + 联系 ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:start}
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;text-align:left;padding:22px 4px;background:none;transition:color .2s ease}
.faq-q:hover{color:var(--brand-700)}
.faq-num{flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:#E7F1EE;color:var(--brand-700);font-size:13px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.faq-q span.q{flex:1 1 auto;font-size:16px;font-weight:500;line-height:26px;color:var(--ink)}
.faq-q .arrow{flex:0 0 auto;width:22px;height:22px;stroke:var(--ink-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s ease}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);stroke:var(--brand-500)}
.faq-item.is-open .faq-num{background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 4px 24px 50px;font-size:16px;line-height:30px;color:var(--ink-2)}
.faq-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;box-shadow:var(--sh-1);position:sticky;top:100px}
.faq-side h3{margin-bottom:12px}
.faq-side > p{color:var(--ink-2);font-size:14px;line-height:25px;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--ink-2);margin-bottom:8px}
.field input,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:24px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(30,140,127,.16)}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field.has-error input,.field.has-error textarea{border-color:var(--err)}
.field .tip{display:none;font-size:13px;line-height:20px;color:var(--err);margin-top:6px}
.field.has-error .tip{display:block}
.form-note{font-size:12px;line-height:20px;color:var(--ink-3);margin-top:14px}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--grad);border-radius:28px;padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;color:#fff;box-shadow:var(--sh-2)}
.cta-band h2{color:#fff;max-width:20em}
.cta-band p{color:rgba(255,255,255,.85);font-size:15px;line-height:26px;margin-top:12px;max-width:36em}
.cta-band .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6)}
.cta-band .btn-ghost:hover{background:#fff;color:var(--brand-700)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.76);margin-top:var(--sec);position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 40px}
.footer-brand .logo-text{color:#fff}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px}
.site-footer a{color:rgba(255,255,255,.76);font-size:14px;line-height:24px}
.site-footer a:hover{color:#fff}
.site-footer li{margin-bottom:10px}
.footer-brand p{font-size:14px;line-height:25px;margin:18px 0 0;max-width:30em}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
.to-top{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.8)}
.to-top:hover{color:#fff}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:64px}
  h1{font-size:30px;line-height:40px}
  h2{font-size:24px;line-height:34px}
  .container{padding:0 20px}
  .nav-tabs{display:none}
  .header-actions .btn{display:none}
  .hamburger{display:inline-flex}
  .mobile-chips{display:block}
  .hero{padding:48px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual img{height:300px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .main-card{grid-template-columns:1fr}
  .main-card-media{min-height:240px}
  .main-card-body{padding:30px 26px}
  .stats-band{padding:38px 26px;border-radius:22px}
  .stats-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr;gap:18px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .cta-band{padding:38px 26px;border-radius:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}
}
@media (max-width:768px){
  .news-grid{grid-template-columns:1fr}
  .ability-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  h1{font-size:26px;line-height:34px}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:30px}
  .pain-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero-badges{gap:10px}
  .badge{width:100%}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
}

.reveal{opacity:1;transform:none}

/* roulang page: article */
:root{
  --brand-900:#0C2725;
  --brand-700:#14635C;
  --brand-500:#1E8C7F;
  --accent-500:#E4763A;
  --accent-300:#F4A15C;
  --ink:#14201E;
  --ink-2:#4E615D;
  --ink-3:#8A9995;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --line:#E2E7E3;
  --ok:#2E8B57;
  --warn:#E0A32E;
  --err:#C4523F;
  --info:#3E7BA6;
  --grad:linear-gradient(120deg,#0C4F49,#1E8C7F 50%,#E4763A);
  --r-card:20px;
  --r-img:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 6px 20px rgba(12,39,37,.06);
  --sh-2:0 14px 34px rgba(12,39,37,.12);
  --sh-3:0 20px 48px rgba(12,39,37,.16);
  --font:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',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:16px;
  line-height:1.75;
  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 .2s ease}
a:hover{color:var(--brand-500)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:4px}

.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(12,39,37,.16);
}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--brand-900);white-space:nowrap}
.nav-tabs{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;overflow-x:auto;scrollbar-width:none;
  padding:4px 2px;
}
.nav-tabs::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:38px;padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;color:var(--ink-2);
  white-space:nowrap;
  transition:all .22s ease;
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px)}
.chip.is-active{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  box-shadow:0 8px 18px rgba(20,99,92,.22);
}
.header-cta{flex:0 0 auto}
.menu-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(12,39,37,.45);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(88vw,360px);
  background:#fff;padding:22px;
  transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);font-size:18px;color:var(--ink-2)}
.drawer-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.drawer-list a{
  display:block;padding:13px 16px;border-radius:14px;
  border:1px solid var(--line);font-size:15px;color:var(--ink-2);
}
.drawer-list a.is-active{background:var(--grad);color:#fff;border-color:transparent}

/* ============ 按钮 ============ */
.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:500;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(20,99,92,.22)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-700);border:1px solid var(--brand-500)}
.btn-ghost:hover{background:#F0F7F5;color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-500);font-size:15px;font-weight:500;
  border-bottom:1px solid rgba(30,140,127,.35);padding-bottom:2px;
}
.btn-link:hover{color:var(--accent-500);border-color:var(--accent-500)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* ============ 面包屑 ============ */
.crumbs{padding:26px 0 0}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumb-list li{display:flex;align-items:center;gap:8px;min-width:0}
.crumb-list li+li::before{content:"/";color:var(--line)}
.crumb-list a{color:var(--ink-3)}
.crumb-list a:hover{color:var(--brand-500)}
.crumb-current{
  color:var(--ink-2);max-width:44ch;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头部 ============ */
.post-head{padding:26px 0 0;max-width:900px}
.post-chip{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(30,140,127,.1);
  color:var(--brand-700);font-size:13px;font-weight:500;
}
.post-title{
  margin:16px 0 18px;
  font-size:40px;line-height:1.2;font-weight:700;letter-spacing:.01em;
  color:var(--brand-900);
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.post-meta span.dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.post-meta svg{width:15px;height:15px;stroke:var(--ink-3);fill:none;stroke-width:1.7}
.meta-item{display:inline-flex;align-items:center;gap:6px}

.post-cover{margin:32px 0 0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.post-cover img{width:100%;aspect-ratio:21/9;object-fit:cover}

/* ============ 布局 ============ */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;
  align-items:start;
  padding:44px 0 96px;
}
.post-main{max-width:760px;min-width:0}

/* ============ 正文排版 ============ */
#post-content{
  font-size:17px;line-height:1.78;color:var(--ink);
  overflow-wrap:break-word;
}
#post-content p{margin:0 0 20px}
#post-content h2{
  font-size:26px;line-height:1.34;font-weight:700;color:var(--brand-900);
  margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--brand-500);
}
#post-content h3{font-size:20px;line-height:1.4;font-weight:700;color:var(--brand-900);margin:34px 0 12px}
#post-content h4{font-size:17px;font-weight:700;margin:26px 0 10px;color:var(--brand-700)}
#post-content ul,#post-content ol{margin:0 0 22px;padding-left:0}
#post-content ul li,#post-content ol li{
  position:relative;padding-left:22px;margin-bottom:10px;line-height:1.8;
}
#post-content ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:50%;background:var(--accent-500);
}
#post-content ol{counter-reset:li}
#post-content ol li{counter-increment:li}
#post-content ol li::before{
  content:counter(li);position:absolute;left:0;top:.28em;
  width:18px;height:18px;line-height:18px;text-align:center;
  font-size:12px;font-weight:700;color:#fff;background:var(--brand-500);border-radius:50%;
}
#post-content blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:4px solid var(--brand-500);
  background:#F0F6F4;border-radius:0 14px 14px 0;
  color:var(--ink-2);
}
#post-content blockquote p:last-child{margin-bottom:0}
#post-content img{margin:26px auto;border-radius:var(--r-img);box-shadow:var(--sh-1)}
#post-content figure{margin:26px 0}
#post-content figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
#post-content a{color:var(--brand-500);border-bottom:1px solid rgba(30,140,127,.35)}
#post-content a:hover{color:var(--accent-500);border-color:var(--accent-500)}
#post-content strong{font-weight:700;color:var(--brand-900)}
#post-content hr{border:0;border-top:1px solid var(--line);margin:38px 0}
#post-content code{
  background:#EEF3F1;padding:2px 7px;border-radius:6px;
  font-size:15px;color:var(--brand-700);
}
#post-content pre{
  background:#0F2E2B;color:#DCEAE7;padding:18px 20px;border-radius:14px;
  overflow-x:auto;margin:24px 0;
}
#post-content pre code{background:none;color:inherit;padding:0}
#post-content table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;
}
#post-content th,#post-content td{padding:11px 15px;text-align:left;border-bottom:1px solid var(--line)}
#post-content th{background:#F1F6F4;color:var(--brand-900);font-weight:600;white-space:nowrap}
#post-content tbody tr:nth-child(even){background:#FAFCFB}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:64px 24px;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-icon{
  width:72px;height:72px;margin:0 auto 18px;border-radius:22px;
  background:linear-gradient(120deg,rgba(12,79,73,.08),rgba(228,118,58,.12));
  display:flex;align-items:center;justify-content:center;
}
.empty-icon svg{width:34px;height:34px;stroke:var(--brand-500);fill:none;stroke-width:1.6}
.empty-state h2{font-size:20px;color:var(--brand-900);margin-bottom:8px}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:22px}

/* ============ 标签 ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:44px 0 0}
.tag-row .label{font-size:13px;color:var(--ink-3)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-btn);background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);transition:all .2s ease;
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px)}

/* ============ 相关推荐 ============ */
.section-block{margin-top:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:24px;line-height:1.35;color:var(--brand-900)}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-thumb{position:relative;overflow:hidden}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-tag{
  position:absolute;top:12px;left:12px;
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-btn);background:rgba(12,39,37,.68);color:#fff;font-size:12px;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.card-body h3{
  font-size:17px;line-height:1.45;font-weight:600;color:var(--brand-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-body h3{color:var(--brand-500)}
.card-body p{
  margin-top:10px;font-size:14px;line-height:1.62;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;
  display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.card-foot .arrow{color:var(--accent-500);margin-left:auto;font-weight:700}

/* ============ 上下篇 ============ */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:20px}
.pager-item{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:20px 22px;box-shadow:var(--sh-1);transition:all .25s ease;
}
.pager-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(30,140,127,.4)}
.pager-item .k{font-size:12.5px;color:var(--ink-3);display:block;margin-bottom:8px}
.pager-item .v{font-size:15px;font-weight:600;color:var(--brand-900);line-height:1.5}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:16px;font-weight:700;color:var(--brand-900);
  margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-list li+li{margin-top:12px}
.side-list a{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--ink-2);line-height:1.5;
}
.side-list a::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;
  background:var(--accent-300);transition:background .2s ease;
}
.side-list a:hover{color:var(--brand-500)}
.side-list a:hover::before{background:var(--brand-500)}
.side-note{font-size:13px;line-height:1.7;color:var(--ink-2)}
.side-note strong{color:var(--brand-700)}
.side-cta{
  background:var(--grad);border-radius:var(--r-card);padding:26px 24px;color:#fff;
}
.side-cta h3{color:#fff;border-bottom:1px solid rgba(255,255,255,.25)}
.side-cta p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.88);margin-bottom:18px}
.side-cta .btn{background:#fff;color:var(--brand-700);width:100%}
.side-cta .btn:hover{color:var(--brand-700);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18)}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--grad);
  border-radius:28px;
  padding:52px 48px;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,255,255,.08);
}
.cta-band h2{font-size:28px;line-height:1.3;color:#fff;position:relative;z-index:1}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);max-width:520px;position:relative;z-index:1}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}
.cta-band .btn-primary{background:#fff;color:var(--brand-700);box-shadow:none}
.cta-band .btn-primary:hover{color:var(--brand-700)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--brand-900);
  color:rgba(255,255,255,.78);
  border-top:4px solid transparent;
  border-image:var(--grad) 1;
  position:relative;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding:64px 0 44px;
}
.site-footer h4{
  font-size:15px;color:#fff;font-weight:600;margin-bottom:18px;letter-spacing:.02em;
}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.7)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;max-width:340px}
.site-footer ul li+li{margin-top:11px}
.site-footer ul a{font-size:13.5px;color:rgba(255,255,255,.72)}
.site-footer ul a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{color:rgba(255,255,255,.72)}
.to-top:hover{color:#fff}

/* ============ 滚动显现 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-tabs{display:none}
  .menu-toggle{display:inline-flex}
  .header-cta .btn{display:none}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px;padding:36px 0 72px}
  .post-main{max-width:none}
  .sidebar{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-title{font-size:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px}
  .cta-band{padding:44px 32px}
  .cta-band h2{font-size:24px}
}
@media (max-width:768px){
  .header-inner{height:62px;gap:14px}
  .logo-text{font-size:15px}
  .logo-mark{width:32px;height:32px;border-radius:10px}
  .post-title{font-size:26px;line-height:1.3}
  .post-cover img{aspect-ratio:16/9}
  #post-content{font-size:16px;line-height:1.85}
  #post-content h2{font-size:21px;margin:36px 0 14px}
  #post-content h3{font-size:18px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-band{padding:36px 24px;border-radius:22px}
  .cta-band h2{font-size:21px}
  .section-block{margin-top:48px}
  .crumbs{padding:18px 0 0}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .post-head{padding:18px 0 0}
  .crumb-current{max-width:22ch}
  .empty-state{padding:44px 18px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0C2725;
  --brand-700:#14635C;
  --brand-500:#1E8C7F;
  --brand-050:#E9F3F1;
  --accent-500:#E4763A;
  --accent-300:#F4A15C;
  --ink:#14201E;
  --ink-2:#4E615D;
  --ink-3:#8A9995;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --line:#E2E7E3;
  --ok:#2E8B57;
  --warn:#E0A32E;
  --err:#C4523F;
  --info:#3E7BA6;
  --grad:linear-gradient(120deg,#0C4F49,#1E8C7F 50%,#E4763A);
  --r-card:20px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 6px 20px rgba(12,39,37,.06);
  --sh-2:0 14px 34px rgba(12,39,37,.12);
  --sh-3:0 20px 48px rgba(12,39,37,.16);
  --sec-gap:92px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{line-height:1.28;letter-spacing:.01em}
h1{font-size:40px;font-weight:700}
h2{font-size:28px;font-weight:700}
h3{font-size:20px;font-weight:700}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(170%) blur(10px);
  -webkit-backdrop-filter:saturate(170%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;white-space:nowrap;letter-spacing:.01em}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(20,99,92,.28);
  flex:0 0 auto;
}
.logo-mark svg{width:23px;height:23px}
.logo-text{color:var(--brand-900)}
.nav-tabs{
  display:flex;align-items:center;gap:8px;flex:1;min-width:0;
  overflow-x:auto;padding:6px 2px;scrollbar-width:none;
}
.nav-tabs::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:14px;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease,background .3s ease;
}
.chip:hover{color:var(--brand-700);border-color:var(--brand-500);transform:translateY(-1px);box-shadow:var(--sh-1)}
.chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(30,140,127,.26)}
.chip:active{transform:translateY(1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;background-size:170% 100%;background-position:0% 0%;
  transition:transform .22s ease,box-shadow .22s ease,background-position .5s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(12,79,73,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(12,79,73,.3);background-position:100% 0%}
.btn-ghost{background:#fff;border-color:var(--brand-500);color:var(--brand-700)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background:var(--brand-050)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:15px;border-bottom:2px solid rgba(30,140,127,.28);padding-bottom:2px;transition:.2s}
.btn-text:hover{color:var(--accent-500);border-color:var(--accent-500)}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.nav-cta{height:42px;padding:0 20px;font-size:14px;flex:0 0 auto}
.hamburger{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);transition:.2s}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer{
  position:fixed;inset:0 0 0 auto;width:min(88vw,360px);z-index:120;
  background:#fff;box-shadow:var(--sh-3);padding:22px;
  display:flex;flex-direction:column;gap:16px;overflow-y:auto;
  transform:translateX(0);transition:transform .28s ease;
}
.drawer[hidden]{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);font-size:18px;color:var(--ink-2);background:#fff}
.drawer-nav{display:flex;flex-direction:column;gap:10px}
.drawer-nav .chip{height:46px;justify-content:flex-start;font-size:15px;padding:0 18px}
.drawer-note{font-size:13px;line-height:1.8;color:var(--ink-3);border-top:1px solid var(--line);padding-top:14px;margin-top:auto}
.drawer-mask{position:fixed;inset:0;background:rgba(12,39,37,.42);z-index:110}
.drawer-mask[hidden]{display:none}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);padding:22px 0 0;
}
.crumbs a{color:var(--ink-2);transition:.2s}
.crumbs a:hover{color:var(--brand-500)}
.crumbs .sep{color:var(--line);font-size:12px}
.crumbs .cur{color:var(--brand-700);font-weight:600}

/* ---------- 分类首屏 ---------- */
.cat-hero{padding:34px 0 0}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand-700);font-size:13px;font-weight:600;
  border:1px solid rgba(30,140,127,.22);margin-bottom:18px;
}
.cat-hero h1{font-size:40px;line-height:1.24;margin-bottom:16px;color:var(--brand-900)}
.cat-hero h1 em{font-style:normal;color:var(--brand-500)}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.badge{
  display:inline-flex;flex-direction:column;justify-content:center;gap:2px;
  padding:12px 22px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);min-width:132px;
}
.badge b{font-size:26px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.1}
.badge span{font-size:12px;color:var(--ink-3)}
.badge.is-dark{background:var(--grad);border-color:transparent}
.badge.is-dark b,.badge.is-dark span{color:#fff}
.badge.is-dark span{opacity:.85}
.hero-media{position:relative}
.hero-media img{
  width:100%;border-radius:24px;box-shadow:var(--sh-2);
  aspect-ratio:4/3;object-fit:cover;
}
.hero-media::after{
  content:"";position:absolute;inset:auto -18px -18px auto;width:132px;height:132px;
  border-radius:50%;border:10px solid rgba(228,118,58,.08);pointer-events:none;
}

/* ---------- 锚点条 ---------- */
.anchor-section{padding:44px 0 0}
.anchor-bar{
  display:flex;gap:10px;overflow-x:auto;padding:14px 16px;scrollbar-width:none;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh-1);
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar .chip{height:36px;font-size:14px;background:var(--bg);border-color:transparent}
.anchor-bar .chip:hover{background:#fff;border-color:var(--brand-500)}

/* ---------- 通用板块 ---------- */
.sec{padding-top:var(--sec-gap)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-head h2{color:var(--brand-900)}
.sec-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:660px;line-height:1.85}
.sec-divider{height:1px;background:var(--line);margin-top:var(--sec-gap)}

/* ---------- 自查步骤带 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.step{position:relative;padding:6px 22px 6px 0}
.step+.step{border-left:1px solid var(--line);padding-left:28px}
.step-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:var(--brand-050);color:var(--brand-700);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;color:var(--brand-900)}
.step p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ---------- 卡片网格 2×3 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.gcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.gcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,140,127,.35)}
.gcard:hover h3{color:var(--brand-500)}
.gcard-cover{position:relative;overflow:hidden;background:var(--brand-050)}
.gcard-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .5s ease}
.gcard:hover .gcard-cover img{transform:scale(1.03)}
.gcard-tag{
  position:absolute;top:14px;left:14px;
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(12,39,37,.72);color:#fff;font-size:12px;letter-spacing:.02em;
}
.gcard-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.gcard-body h3{font-size:19px;color:var(--brand-900);transition:color .2s;margin-bottom:12px}
.gcard-body>p{font-size:14px;line-height:1.8;color:var(--ink-2);margin-bottom:16px}
.points{display:flex;flex-direction:column;gap:10px;border-top:1px dashed var(--line);padding-top:16px}
.points li{position:relative;padding-left:22px;font-size:14px;color:var(--ink-2);line-height:1.7}
.points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;
  background:linear-gradient(120deg,#1E8C7F,#E4763A);
}
.gcard-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.gcard-foot .arrow{color:var(--brand-500);font-weight:700;transition:transform .2s}
.gcard:hover .gcard-foot .arrow{transform:translateX(4px)}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--brand-050);border:1px solid rgba(30,140,127,.2);
  border-left:4px solid var(--brand-500);border-radius:14px;padding:18px 22px;margin-top:28px;
}
.notice strong{color:var(--brand-700);font-size:15px;display:block;margin-bottom:4px}
.notice p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:10px 28px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--brand-900);transition:color .2s;
}
.faq-q:hover{color:var(--brand-500)}
.faq-idx{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-050);color:var(--brand-700);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;transition:.25s;
}
.faq-item.is-open .faq-idx{background:var(--grad);color:#fff}
.faq-txt{flex:1}
.faq-arrow{
  flex:0 0 auto;width:12px;height:12px;border-right:2px solid var(--ink-3);
  border-bottom:2px solid var(--ink-3);transform:rotate(45deg);transition:transform .28s ease,color .28s;
}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg);border-color:var(--accent-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 0 22px 50px;font-size:16px;line-height:1.9;color:var(--ink-2)}

/* ---------- 渐变 CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;margin-top:var(--sec-gap);
  background:var(--grad);color:#fff;padding:56px 52px;box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  border:36px solid rgba(255,255,255,.08);pointer-events:none;
}
.cta-band h2{color:#fff;max-width:640px;position:relative}
.cta-band p{margin-top:14px;max-width:600px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.88);position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative}
.cta-band .btn-primary{background:#fff;background-image:none;color:var(--brand-700);box-shadow:0 10px 26px rgba(12,39,37,.25)}
.cta-band .btn-primary:hover{background:#FFF6EF;color:var(--brand-900)}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.72);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,140,127,.35)}
.rel-card:hover h3{color:var(--brand-500)}
.rel-tag{
  align-self:flex-start;display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-050);color:var(--brand-700);
  font-size:12px;font-weight:600;
}
.rel-card h3{font-size:18px;color:var(--brand-900);transition:color .2s}
.rel-card p{font-size:14px;line-height:1.8;color:var(--ink-2)}
.rel-go{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-500)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:var(--sec-gap);background:var(--brand-900);
  color:rgba(255,255,255,.78);padding:58px 0 0;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:42px}
.site-footer .logo{color:#fff;margin-bottom:14px}
.site-footer .logo-text{color:#fff}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.site-footer ul li{margin-bottom:11px}
.site-footer a{color:rgba(255,255,255,.78);transition:color .2s ease,transform .2s ease;display:inline-block}
.site-footer a:hover{color:var(--accent-300)}
.footer-brand p{font-size:14px;line-height:1.85;max-width:330px;margin-top:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{color:rgba(255,255,255,.75)}
.to-top:hover{color:#fff}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec-gap:72px}
  .container{padding:0 24px}
  .nav-tabs,.nav-cta{display:none}
  .hamburger{display:flex}
  .nav-wrap{justify-content:space-between;height:64px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .cat-hero h1{font-size:34px}
  .hero-media img{aspect-ratio:16/9}
  .hero-media::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:46px 34px}
}
@media (max-width:768px){
  :root{--sec-gap:58px}
  .container{padding:0 20px}
  h1{font-size:26px}
  h2{font-size:22px}
  .cat-hero{padding-top:24px}
  .cat-hero h1{font-size:27px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .badge{flex:1 1 calc(50% - 6px);min-width:0;padding:12px 16px}
  .badge b{font-size:22px}
  .steps{grid-template-columns:1fr;padding:22px;gap:4px}
  .step{padding:16px 0}
  .step+.step{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:20px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .gcard-body{padding:20px}
  .sec-head{margin-bottom:24px}
  .faq-wrap{padding:6px 18px}
  .faq-q{font-size:16px;gap:12px;padding:18px 0}
  .faq-a p{padding-left:0;font-size:15px}
  .cta-band{padding:36px 24px;border-radius:20px}
  .rel-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .logo-mark{width:32px;height:32px;border-radius:10px}
  .hero-actions{margin-top:20px}
  .badge-row{margin-top:22px}
  .anchor-bar{padding:12px;border-radius:18px}
  .points li{font-size:13.5px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0C2725;
  --brand-700:#14635C;
  --brand-500:#1E8C7F;
  --accent-500:#E4763A;
  --accent-300:#F4A15C;
  --ink:#14201E;
  --ink-2:#4E615D;
  --ink-3:#8A9995;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --line:#E2E7E3;
  --ok:#2E8B57;
  --warn:#E0A32E;
  --err:#C4523F;
  --info:#3E7BA6;
  --grad:linear-gradient(120deg,#0C4F49,#1E8C7F 50%,#E4763A);
  --r-card:20px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(12,39,37,.06);
  --sh-2:0 14px 34px rgba(12,39,37,.12);
  --sh-3:0 20px 48px rgba(12,39,37,.16);
  --font:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  font-weight:700;
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:11px;
  background:var(--grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  box-shadow:0 4px 12px rgba(30,140,127,.28);
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-size:17px;letter-spacing:.02em;white-space:nowrap;}

.nav-tabs{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  overflow-x:auto;
  scrollbar-width:none;
  padding:6px 2px;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  font-size:14px;
  line-height:1.4;
  white-space:nowrap;
  transition:all .22s ease;
}
.chip:hover{
  color:var(--brand-700);
  border-color:var(--brand-500);
  transform:translateY(-1px);
  box-shadow:var(--sh-1);
}
.chip.is-active{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  font-weight:500;
  box-shadow:0 6px 16px rgba(30,140,127,.26);
}
.chip.is-active:hover{color:#fff;}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  line-height:1.4;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .3s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  background-size:160% 160%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:0 8px 20px rgba(30,140,127,.24);
}
.btn-primary:hover{
  color:#fff;
  background-position:100% 50%;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:#fff;
  color:var(--brand-700);
  border-color:var(--brand-500);
}
.btn-ghost:hover{
  color:var(--brand-500);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{
  opacity:.45;
  pointer-events:none;
}
.btn-text{
  color:var(--brand-500);
  font-weight:500;
  padding:6px 0;
  border-radius:0;
  border-bottom:1px solid rgba(30,140,127,.35);
}
.btn-text:hover{color:var(--accent-500);border-bottom-color:var(--accent-500);}

.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--brand-700);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--brand-700);
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(12,39,37,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;
  top:0;
  right:0;
  width:min(360px,86vw);
  height:100%;
  background:#fff;
  padding:24px 22px 32px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .3s cubic-bezier(.22,.61,.36,1);
  display:flex;
  flex-direction:column;
  gap:18px;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-2);
}
.drawer-list{display:flex;flex-direction:column;gap:10px;}
.drawer-list .chip{justify-content:flex-start;width:100%;padding:13px 18px;font-size:15px;}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.drawer-note{font-size:13px;color:var(--ink-3);line-height:1.8;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:22px 0 6px;}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .sep{color:#C3CCC8;}
.breadcrumb .current{
  color:var(--ink-2);
  max-width:240px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- 分类 Hero ---------- */
.page-hero{padding:26px 0 8px;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:52px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(30,140,127,.1);
  color:var(--brand-700);
  font-size:13px;
  margin-bottom:20px;
}
.hero-tag i{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent-500);
  display:inline-block;
}
.hero-title{
  font-size:40px;
  line-height:1.2;
  letter-spacing:.01em;
  margin-bottom:20px;
}
.hero-title em{
  font-style:normal;
  color:var(--brand-500);
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}
.badge{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:14px 22px;
  border-radius:var(--r-pill);
  background:var(--brand-900);
  color:#fff;
  min-width:132px;
}
.badge.is-grad{background:var(--grad);}
.badge-num{
  font-size:28px;
  font-weight:700;
  line-height:1.15;
  font-variant-numeric:tabular-nums;
  font-family:var(--font);
}
.badge-label{font-size:12px;opacity:.82;line-height:1.5;}

.hero-figure{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
  background:#E8EEEB;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(12,39,37,0) 45%,rgba(12,39,37,.42));
}
.hero-figure-note{
  position:absolute;
  left:22px;
  right:22px;
  bottom:20px;
  z-index:2;
  color:#fff;
  font-size:13px;
  line-height:1.7;
  opacity:.94;
}

/* ---------- 子导航 ---------- */
.subnav{
  position:sticky;
  top:72px;
  z-index:40;
  margin-top:40px;
  background:rgba(245,247,245,.92);
  backdrop-filter:blur(6px);
  padding:12px 0;
  border-bottom:1px solid var(--line);
}
.subnav-inner{
  display:flex;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
}
.subnav-inner::-webkit-scrollbar{display:none;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0 0;}
.section:last-of-type{padding-bottom:96px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-title{font-size:28px;line-height:1.3;}
.section-sub{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:680px;
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--accent-500);
  font-weight:500;
  margin-bottom:12px;
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding:8px 0;}
.timeline::before{
  content:"";
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(30,140,127,.55),rgba(228,118,58,.45));
}
.tl-item{
  position:relative;
  width:50%;
  padding:0 56px 52px 0;
}
.tl-item:nth-child(even){
  margin-left:50%;
  padding:0 0 52px 56px;
}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tl-index{
  position:absolute;
  top:22px;
  right:-19px;
  width:38px;
  height:38px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(30,140,127,.28);
  z-index:2;
}
.tl-item:nth-child(even) .tl-index{right:auto;left:-19px;}
.tl-card h3{font-size:20px;margin-bottom:10px;}
.tl-card p{font-size:15px;line-height:1.85;color:var(--ink-2);}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:rgba(30,140,127,.09);
  color:var(--brand-700);
  font-size:12px;
  line-height:1.6;
}
.tag.is-warm{background:rgba(228,118,58,.12);color:#B85A25;}

/* ---------- 分组卡片 ---------- */
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(30,140,127,.35);
}
.feature-icon{
  width:46px;
  height:46px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(30,140,127,.1);
  color:var(--brand-700);
  margin-bottom:18px;
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.feature-card h3{font-size:19px;margin-bottom:10px;}
.feature-card p{font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- 使用建议（编号列表） ---------- */
.tips-wrap{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:48px;
  align-items:center;
}
.tips-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:16/11;
  background:#E8EEEB;
}
.tips-figure img{width:100%;height:100%;object-fit:cover;}
.tips-list{display:flex;flex-direction:column;gap:18px;margin-top:8px;}
.tip-item{
  display:flex;
  gap:16px;
  padding:20px 22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.tip-item:hover{transform:translateX(4px);box-shadow:var(--sh-2);}
.tip-num{
  flex:0 0 auto;
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--grad);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.tip-item h3{font-size:17px;margin-bottom:6px;}
.tip-item p{font-size:14px;line-height:1.8;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 26px;
  cursor:pointer;
  list-style:none;
  font-size:17px;
  font-weight:500;
  color:var(--ink);
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(30,140,127,.05);}
.faq-num{
  flex:0 0 auto;
  width:30px;
  height:30px;
  border-radius:50%;
  background:rgba(30,140,127,.1);
  color:var(--brand-700);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.faq-q{flex:1 1 auto;}
.faq-arrow{
  flex:0 0 auto;
  width:16px;
  height:16px;
  border-right:2px solid var(--ink-3);
  border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);
  transition:transform .25s ease,border-color .25s ease;
  margin-right:6px;
}
.faq-item[open] .faq-arrow{transform:rotate(-135deg);border-color:var(--brand-500);}
.faq-item[open] summary{background:rgba(30,140,127,.05);}
.faq-a{
  padding:0 26px 24px 72px;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
}
.faq-item summary:focus-visible{outline:2px solid var(--brand-500);outline-offset:-2px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  margin-top:88px;
  border-radius:26px;
  background:var(--grad);
  padding:56px 52px;
  color:#fff;
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:280px;
  height:280px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  pointer-events:none;
}
.cta-band h2{
  color:#fff;
  font-size:26px;
  margin-bottom:10px;
}
.cta-band p{
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.9);
  max-width:560px;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}
.btn-white{
  background:#fff;
  color:var(--brand-700);
  box-shadow:0 8px 20px rgba(12,39,37,.18);
}
.btn-white:hover{color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-outline-white{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.7);
}
.btn-outline-white:hover{color:#fff;border-color:#fff;transform:translateY(-2px);}

/* ---------- 相关分类 ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
  color:inherit;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:inherit;}
.related-thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  background:#E8EEEB;
  position:relative;
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.related-body h3{font-size:18px;transition:color .2s ease;}
.related-card:hover .related-body h3{color:var(--brand-500);}
.related-body p{font-size:14px;line-height:1.8;color:var(--ink-2);}
.related-more{
  margin-top:auto;
  font-size:14px;
  color:var(--brand-500);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.related-more::after{content:"→";transition:transform .2s ease;}
.related-card:hover .related-more::after{transform:translateX(4px);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--brand-900);
  color:rgba(255,255,255,.78);
  border-top:4px solid transparent;
  border-image:var(--grad) 1;
  padding:64px 0 28px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{line-height:1.85;color:rgba(255,255,255,.72);font-size:14px;}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  font-weight:600;
}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer ul a{color:rgba(255,255,255,.75);}
.site-footer ul a:hover{color:#fff;}
.site-footer .meta{font-size:13px;color:rgba(255,255,255,.6);line-height:1.8;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.62);
}
.to-top{color:rgba(255,255,255,.8);}
.to-top:hover{color:#fff;}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  padding:56px 24px;
  text-align:center;
  color:var(--ink-2);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:18px;margin:0 auto 18px;
  background:rgba(30,140,127,.1);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-500);font-size:22px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px;}
  .hero-title{font-size:34px;}
}
@media (max-width:1023px){
  .nav-tabs{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;}
  .logo-mark{width:30px;height:30px;border-radius:10px;}
  .logo-text{font-size:16px;}
  .subnav{top:64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-title{font-size:32px;}
  .hero-figure{aspect-ratio:16/10;}
  .timeline::before{left:19px;transform:none;}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 32px 52px;}
  .tl-index,.tl-item:nth-child(even) .tl-index{left:0;right:auto;top:18px;}
  .tips-wrap{grid-template-columns:1fr;gap:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
  .cta-band{padding:44px 34px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .site-header .header-actions .btn{display:none;}
  .section{padding:60px 0 0;}
  .section:last-of-type{padding-bottom:64px;}
  .hero-title{font-size:27px;line-height:1.32;}
  .hero-lead{font-size:16px;}
  .hero-badges{gap:10px;}
  .badge{min-width:auto;flex:1 1 calc(50% - 5px);padding:12px 18px;}
  .badge-num{font-size:24px;}
  .section-title{font-size:23px;}
  .grid-2{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:48px 0 24px;}
  .cta-band{margin-top:56px;padding:36px 24px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .faq-item summary{padding:18px 18px;font-size:16px;gap:12px;}
  .faq-a{padding:0 18px 20px 60px;}
}
@media (max-width:519px){
  .hero-title{font-size:24px;}
  .breadcrumb .current{max-width:140px;}
  .badge{flex:1 1 100%;}
  .cta-band h2{font-size:21px;}
  .faq-num{width:26px;height:26px;font-size:12px;}
  .faq-a{padding-left:18px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0C2725;
  --brand-700:#14635C;
  --brand-500:#1E8C7F;
  --accent-500:#E4763A;
  --accent-300:#F4A15C;
  --ink:#14201E;
  --ink-2:#4E615D;
  --ink-3:#8A9995;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --line:#E2E7E3;
  --ok:#2E8B57;
  --warn:#E0A32E;
  --err:#C4523F;
  --info:#3E7BA6;
  --grad:linear-gradient(120deg,#0C4F49,#1E8C7F 50%,#E4763A);
  --grad-soft:linear-gradient(120deg,rgba(12,79,73,.06),rgba(30,140,127,.07) 50%,rgba(228,118,58,.08));
  --r-card:20px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 6px 20px rgba(12,39,37,.06);
  --sh-2:0 14px 34px rgba(12,39,37,.12);
  --sh-3:0 20px 48px rgba(12,39,37,.16);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
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,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  display:grid;place-items:center;
  box-shadow:0 4px 14px rgba(30,140,127,.28);
}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-weight:700;font-size:17px;letter-spacing:.01em;color:var(--brand-900);white-space:nowrap}
.nav-tabs{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;
  padding:6px 0;
}
.nav-tabs::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;line-height:1.4;color:var(--ink-2);
  background:var(--card);border:1px solid var(--line);
  white-space:nowrap;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.chip:hover{color:var(--brand-700);border-color:rgba(30,140,127,.4);transform:translateY(-1px);box-shadow:var(--sh-1)}
.chip.is-active{background:var(--grad);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 8px 20px rgba(30,140,127,.24)}
.chip.is-active:hover{color:#fff}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .22s ease,box-shadow .22s ease,background-position .4s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);background-size:160% 160%;background-position:0% 50%;color:#fff;box-shadow:0 10px 24px rgba(30,140,127,.24)}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 50%;box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--card);border:1px solid rgba(30,140,127,.45);color:var(--brand-700)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--sh-2);color:var(--brand-500)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-line{color:var(--brand-500);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid currentColor;padding-bottom:2px}
.btn-line:hover{color:var(--accent-500);gap:10px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--brand-900);
  padding:24px 20px 40px;
  display:none;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer .logo-text{color:#fff}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);color:#fff;font-size:20px;display:grid;place-items:center}
.drawer-nav{display:flex;flex-direction:column;gap:10px}
.drawer-nav a{
  color:#fff;font-size:16px;padding:14px 18px;border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
}
.drawer-nav a.is-active{background:var(--grad);border-color:transparent;font-weight:600}
.drawer .btn{margin-top:24px}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:22px 0 0;font-size:14px;color:var(--ink-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px;max-width:100%}
.breadcrumb li+li::before{content:"/";color:var(--ink-3)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .current{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:420px}

/* ---------- section base ---------- */
.section{padding:var(--sec) 0}
.section-sm{padding:72px 0}
.section-head{max-width:640px;margin-bottom:44px}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;max-width:none;gap:24px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-700);
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(30,140,127,.09);
  margin-bottom:16px;
}
h2{font-size:28px;line-height:1.28;font-weight:700;letter-spacing:.01em}
h3{font-size:20px;line-height:1.4;font-weight:700}
.lead{color:var(--ink-2);font-size:16px;line-height:1.8;margin-top:14px}
.muted{color:var(--ink-2);font-size:14px;line-height:1.75}

/* ---------- hero ---------- */
.cat-hero{padding:48px 0 0}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.cat-hero h1{font-size:40px;line-height:1.2;font-weight:700;letter-spacing:.01em;margin-top:4px}
.cat-hero p.lead{font-size:17px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.badge{
  display:inline-flex;flex-direction:column;gap:2px;
  padding:14px 22px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;
  box-shadow:0 10px 26px rgba(30,140,127,.22);
}
.badge.light{background:var(--brand-900)}
.badge b{font-size:26px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.badge span{font-size:12px;opacity:.85}
.hero-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--sh-2)}
.hero-media img{border-radius:24px;width:100%;height:400px;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,39,37,0) 40%,rgba(12,39,37,.55));
}
.hero-media .media-note{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;color:#fff;
  font-size:14px;line-height:1.6;
}

/* ---------- anchor chips ---------- */
.anchor-bar{
  margin-top:44px;
  padding:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  display:flex;gap:10px;overflow-x:auto;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  padding:9px 18px;border-radius:var(--r-pill);font-size:14px;color:var(--ink-2);
  border:1px solid transparent;white-space:nowrap;transition:all .22s ease;
}
.anchor-bar a:hover{background:rgba(30,140,127,.08);color:var(--brand-700)}

/* ---------- split layout: sticky media + spec table ---------- */
.split{display:grid;grid-template-columns:420px 1fr;gap:48px;align-items:start}
.sticky-media{position:sticky;top:104px}
.media-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);
}
.media-card img{height:300px;width:100%;object-fit:cover}
.media-card .media-title{font-size:15px;font-weight:700;margin-top:16px}
.media-card .media-desc{font-size:14px;color:var(--ink-2);line-height:1.7;margin-top:6px}
.media-meta{
  display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;
  border-top:1px dashed var(--line);padding-top:14px;
}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(30,140,127,.09);color:var(--brand-700);
}
.tag.accent{background:rgba(228,118,58,.12);color:#B9531F}

.prose p{color:var(--ink-2);font-size:16px;line-height:1.85;margin-top:16px}
.prose p strong{color:var(--ink)}
.prose h2{margin-top:4px}

/* ---------- table ---------- */
.table-scroll{
  margin-top:28px;
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  box-shadow:var(--sh-1);
}
table.spec{width:100%;border-collapse:collapse;min-width:620px;font-size:15px}
table.spec caption{
  caption-side:top;text-align:left;padding:20px 24px 6px;
  font-weight:700;font-size:16px;color:var(--ink);
}
table.spec th,table.spec td{padding:15px 24px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.spec thead th{
  background:#EDF2EF;color:var(--brand-700);font-weight:600;font-size:14px;
  letter-spacing:.02em;white-space:nowrap;
}
table.spec tbody tr:nth-child(even){background:#FAFBFA}
table.spec tbody tr:hover{background:rgba(30,140,127,.05)}
table.spec tbody td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
table.spec tbody td:nth-child(2){color:var(--ink-2)}
table.spec tbody td:last-child{color:var(--accent-500);white-space:nowrap;font-weight:600}
table.spec tbody tr:last-child td{border-bottom:0}
.table-tip{margin-top:12px;font-size:13px;color:var(--ink-3)}

/* ---------- checklist ---------- */
.check-list{margin-top:34px;display:grid;gap:18px}
.check-item{
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,140,127,.35)}
.check-idx{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(30,140,127,.1);color:var(--brand-700);
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.check-item.accent .check-idx{background:rgba(228,118,58,.14);color:#B9531F}
.check-item h3{font-size:17px}
.check-item p{color:var(--ink-2);font-size:15px;line-height:1.75;margin-top:8px}

/* ---------- callout ---------- */
.callout{
  margin-top:32px;
  background:var(--grad-soft);
  border:1px solid rgba(30,140,127,.22);
  border-left:4px solid var(--brand-500);
  border-radius:var(--r-card);
  padding:26px 28px;
}
.callout h3{font-size:17px;color:var(--brand-700)}
.callout p{margin-top:10px;color:var(--ink-2);font-size:15px;line-height:1.8}
.callout ul{margin-top:14px;display:grid;gap:10px}
.callout li{position:relative;padding-left:22px;color:var(--ink-2);font-size:15px;line-height:1.7}
.callout li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--accent-500);
}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  padding:22px 4px;text-align:left;
}
.faq-q .qn{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:700;
  background:rgba(30,140,127,.1);color:var(--brand-700);
  font-variant-numeric:tabular-nums;transition:background .25s ease,color .25s ease;
}
.faq-q .qt{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.faq-q .qm{
  width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;flex-shrink:0;
  transition:transform .28s ease,border-color .28s ease,background .28s ease;
}
.faq-q .qm svg{width:12px;height:12px;stroke:var(--brand-700);stroke-width:2;fill:none;transition:stroke .28s ease}
.faq-item.is-open .qm{transform:rotate(180deg);background:var(--brand-500);border-color:var(--brand-500)}
.faq-item.is-open .qm svg{stroke:#fff}
.faq-item.is-open .qn{background:var(--grad);color:#fff}
.faq-q:hover .qt{color:var(--brand-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a .inner{padding:0 4px 24px 56px;color:var(--ink-2);font-size:16px;line-height:1.85}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--grad);
  border-radius:28px;
  padding:56px 48px;
  color:#fff;
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;
  box-shadow:0 20px 44px rgba(12,79,73,.24);
}
.cta-band h2{color:#fff;font-size:28px;max-width:520px}
.cta-band p{color:rgba(255,255,255,.88);font-size:15px;margin-top:12px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-primary{background:#fff;color:var(--brand-700);background-image:none;box-shadow:0 10px 24px rgba(9,40,37,.2)}
.cta-band .btn-primary:hover{background:#F7FBF9}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ---------- related cards ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:36px}
.rel-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,140,127,.35)}
.rel-card .rel-num{font-size:13px;font-weight:700;color:var(--accent-500);letter-spacing:.08em}
.rel-card h3{margin-top:12px;font-size:18px;line-height:1.4}
.rel-card:hover h3{color:var(--brand-500)}
.rel-card p{margin-top:10px;color:var(--ink-2);font-size:14px;line-height:1.75}
.rel-card .rel-more{
  margin-top:18px;display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-500);font-size:14px;font-weight:600;
}

/* ---------- form ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:8px}
.field{display:grid;gap:8px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field textarea{
  width:100%;padding:13px 16px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;min-height:48px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:112px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(30,140,127,.16);
}
.field.has-error input,.field.has-error textarea{border-color:var(--err)}
.field .err-msg{font-size:13px;color:var(--err);display:none}
.field.has-error .err-msg{display:block}

/* ---------- footer ---------- */
.site-footer{
  margin-top:20px;
  background:var(--brand-900);
  color:rgba(255,255,255,.82);
  position:relative;
}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad)}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-grid h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-grid ul{display:grid;gap:11px}
.footer-grid ul a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-grid ul a:hover{color:#fff}
.footer-grid .meta{font-size:13px;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{color:rgba(255,255,255,.8);font-size:13px}
.to-top:hover{color:#fff}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
  .cat-hero h1{font-size:36px}
  .split{grid-template-columns:360px 1fr;gap:36px}
}
@media (max-width:1023px){
  :root{--sec:76px}
  .header-inner{grid-template-columns:auto 1fr auto;min-height:60px;gap:14px}
  .nav-tabs{display:none}
  .nav-toggle{display:inline-flex}
  .cat-hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media img{height:300px}
  .split{grid-template-columns:1fr;gap:32px}
  .sticky-media{position:static}
  .media-card img{height:260px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:44px 32px}
  .cta-band h2{font-size:24px}
}
@media (max-width:767px){
  :root{--sec:60px}
  .container{padding:0 20px}
  body{font-size:15.5px}
  .cat-hero{padding:32px 0 0}
  .cat-hero h1{font-size:27px}
  .cat-hero p.lead{font-size:16px}
  h2{font-size:23px}
  h3{font-size:18px}
  .section-head.row{flex-direction:column;align-items:flex-start;gap:14px}
  .anchor-bar{border-radius:20px}
  .related-grid{grid-template-columns:1fr}
  .faq-a .inner{padding-left:0}
  .cta-band{padding:36px 24px;border-radius:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .check-item{grid-template-columns:1fr;gap:12px;padding:20px}
  table.spec th,table.spec td{padding:13px 18px}
}
@media (max-width:519px){
  .badge{padding:11px 16px}
  .badge b{font-size:22px}
  .hero-actions .btn{width:100%}
  .cat-hero-grid{gap:26px}
  .hero-media img{height:230px}
}

/* roulang page: category4 */
:root{
  --brand-900:#0C2725;
  --brand-700:#14635C;
  --brand-500:#1E8C7F;
  --accent-500:#E4763A;
  --accent-300:#F4A15C;
  --ink:#14201E;
  --ink-2:#4E615D;
  --ink-3:#8A9995;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --line:#E2E7E3;
  --ok:#2E8B57;
  --warn:#E0A32E;
  --err:#C4523F;
  --info:#3E7BA6;
  --grad:linear-gradient(120deg,#0C4F49,#1E8C7F 50%,#E4763A);
  --r-card:20px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 6px 20px rgba(12,39,37,.06);
  --sh-2:0 14px 34px rgba(12,39,37,.12);
  --sh-3:0 20px 48px rgba(12,39,37,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em}
h1{font-size:40px;line-height:1.2}
h2{font-size:28px;line-height:1.35}
h3{font-size:20px;line-height:1.4}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:8px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;box-shadow:var(--sh-1);flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px;display:block}
.logo-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;white-space:nowrap}
.logo:hover .logo-text{color:var(--brand-700)}
.nav-tabs{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;overflow-x:auto;scrollbar-width:none}
.nav-tabs::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:14px;font-weight:500;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.chip:hover{color:var(--brand-700);border-color:var(--brand-500);transform:translateY(-1px)}
.chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-1)}
.chip.is-active:hover{color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);cursor:pointer;align-items:center;justify-content:center;
}
.menu-toggle svg{width:20px;height:20px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background-position .35s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-primary{background:var(--grad);background-size:180% 100%;background-position:0 0;color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background-position:100% 0;color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--brand-500)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background:#F0F6F4;color:var(--brand-700)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-light:hover{background:#fff;color:var(--brand-700);transform:translateY(-2px)}
.btn-link{
  padding:0;border:0;border-radius:0;background:none;color:var(--brand-500);
  border-bottom:1px solid currentColor;font-weight:600;
}
.btn-link:hover{color:var(--accent-500)}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none}

/* ===== 移动抽屉 ===== */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:rgba(12,39,37,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(86vw,340px);height:100%;
  background:#fff;padding:22px;box-shadow:var(--sh-3);
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  transform:translateX(12px);transition:transform .28s ease;
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink-2)}
.drawer-links{display:flex;flex-direction:column;gap:10px}
.drawer-links .chip{width:100%;justify-content:flex-start;padding:13px 18px;font-size:15px}

/* ===== 面包屑 ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:22px 0 18px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .sep{color:var(--ink-3);opacity:.7}
.breadcrumb .current{color:var(--ink);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 分类 Hero ===== */
.cat-hero{
  position:relative;border-radius:24px;overflow:hidden;min-height:380px;
  display:flex;align-items:flex-end;padding:52px;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(12,39,37,.9),rgba(12,39,37,.62) 52%,rgba(228,118,58,.34));
}
.cat-hero-inner{position:relative;z-index:1;max-width:720px;color:#fff}
.cat-hero .tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);
  font-size:13px;letter-spacing:.06em;margin-bottom:18px;
}
.cat-hero h1{color:#fff;font-size:40px}
.cat-hero p{color:rgba(255,255,255,.9);font-size:16px;line-height:1.9;margin-top:16px;max-width:640px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.badge{
  display:inline-flex;flex-direction:column;gap:2px;padding:12px 20px;border-radius:20px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;
}
.badge-num{font-size:26px;font-weight:700;line-height:1.15;font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.badge-label{font-size:12px;opacity:.82}

/* ===== 锚点子导航 ===== */
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.anchor-nav a{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:14px;font-weight:500;
  transition:all .2s ease;
}
.anchor-nav a:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh-1)}

/* ===== 板块 ===== */
.section{padding:44px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:10px;max-width:660px}
.eyebrow{font-size:13px;font-weight:600;color:var(--accent-500);letter-spacing:.14em;margin-bottom:10px}

/* ===== 双栏对照 ===== */
.compare{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.compare-head{
  display:grid;grid-template-columns:320px 1fr;
  background:#EFF4F2;font-size:13px;font-weight:700;color:var(--brand-700);letter-spacing:.08em;
}
.compare-head span{padding:14px 26px}
.compare-head span:first-child{border-right:1px solid var(--line)}
.compare-row{display:grid;grid-template-columns:320px 1fr;border-top:1px solid var(--line);transition:background .2s ease}
.compare-row:nth-child(even){background:#FAFBFA}
.compare-row:hover{background:#F2F8F6}
.compare-key{
  padding:22px 26px;border-right:1px solid var(--line);
  display:flex;gap:12px;align-items:flex-start;font-weight:600;color:var(--ink);
}
.compare-key .dot{
  width:9px;height:9px;border-radius:50%;background:var(--accent-500);
  margin-top:9px;flex:0 0 auto;
}
.compare-desc{padding:22px 26px;color:var(--ink-2);font-size:15px;line-height:1.85}
.compare-desc strong{color:var(--brand-700);font-weight:600}

/* ===== 自查顺序 ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D3E3DE}
.step-num{
  display:inline-grid;place-items:center;width:46px;height:46px;border-radius:14px;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.step-card h3{margin-bottom:10px}
.step-card p{color:var(--ink-2);font-size:15px}

/* ===== 反馈区 ===== */
.feedback-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}
.notice-list{display:flex;flex-direction:column;gap:14px}
.notice-item{
  display:flex;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:18px 22px;box-shadow:var(--sh-1);
}
.notice-item .mark{
  width:30px;height:30px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:#FDF1E9;color:var(--accent-500);font-weight:700;font-size:13px;
}
.notice-item h3{font-size:16px;margin-bottom:4px}
.notice-item p{color:var(--ink-2);font-size:14px}

.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.form-card h3{margin-bottom:6px}
.form-card .hint{color:var(--ink-3);font-size:13px;margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input,.field select{height:48px}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(30,140,127,.16);
}
.form-note{
  display:none;margin-top:14px;padding:12px 16px;border-radius:12px;font-size:14px;
  background:#EAF4EF;color:#1F6A44;border:1px solid #CFE6DA;
}
.form-note.is-visible{display:block}

/* ===== FAQ ===== */
.faq-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 26px;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;gap:14px;padding:22px 0;cursor:pointer;
  list-style:none;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700)}
.faq-num{
  width:32px;height:32px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:#EAF3F1;color:var(--brand-700);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;transition:background .25s ease,color .25s ease;
}
.faq-item[open] .faq-num{background:var(--grad);color:#fff}
.faq-arrow{margin-left:auto;color:var(--ink-3);transition:transform .25s ease,color .25s ease;font-size:14px}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--accent-500)}
.faq-answer{padding:0 0 24px 46px;color:var(--ink-2);font-size:16px;line-height:1.9}
.faq-answer p+p{margin-top:12px}

/* ===== CTA 带 ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:52px 48px;color:#fff;
  background:var(--grad);box-shadow:var(--sh-2);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-band h2{color:#fff;max-width:620px}
.cta-band p{color:rgba(255,255,255,.9);margin-top:12px;max-width:620px;font-size:15px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ===== 相关分类 ===== */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.related-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EDF2F0}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .thumb img{transform:scale(1.04)}
.related-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-card h3{font-size:18px}
.related-card p{color:var(--ink-2);font-size:14px;line-height:1.8;flex:1}
.related-card .more{font-size:14px;font-weight:600;color:var(--brand-500)}
.related-card:hover h3{color:var(--brand-700)}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;margin-top:56px;background:var(--brand-900);color:rgba(255,255,255,.78);
  font-size:14px;line-height:1.85;
}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 36px;
}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.site-footer .logo{margin-bottom:16px}
.site-footer .logo-text{color:#fff}
.site-footer p{color:rgba(255,255,255,.7)}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer ul a{color:rgba(255,255,255,.78)}
.site-footer ul a:hover{color:#fff}
.site-footer .meta{font-size:13px;color:rgba(255,255,255,.6);margin-top:6px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{color:rgba(255,255,255,.78)}
.to-top:hover{color:#fff}

/* ===== 滚动显现 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .container{padding:0 24px}
  h1{font-size:32px}
  .cat-hero h1{font-size:32px}
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 0 12px;gap:14px}
  .nav-tabs{order:3;width:100%;justify-content:flex-start;padding-bottom:2px}
  .header-actions{margin-left:auto}
  .menu-toggle{display:inline-flex}
  .navbar-cta{display:none}
  .steps{grid-template-columns:1fr 1fr}
  .feedback-grid{grid-template-columns:1fr;gap:26px}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 30px}
  .cat-hero{padding:40px;min-height:340px}
}
@media (max-width:768px){
  .section{padding:30px 0}
  .cat-hero{padding:30px 24px;min-height:300px;border-radius:20px}
  .cat-hero h1{font-size:27px}
  .cat-hero p{font-size:15px}
  .hero-badges{gap:10px}
  .badge{padding:10px 16px}
  .badge-num{font-size:22px}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr}
  .compare-key{border-right:0;border-bottom:1px dashed var(--line);padding-bottom:14px}
  .compare-desc{padding-top:14px}
  .steps{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 26px;border-radius:20px}
  .cta-band h2{font-size:23px}
  .faq-wrap{padding:6px 18px}
  .faq-item summary{font-size:16px;gap:12px}
  .faq-answer{padding-left:0;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  h1{font-size:26px}
  .cat-hero h1{font-size:24px}
  .section-head{flex-direction:column;align-items:flex-start}
  .logo-text{font-size:15px}
  .btn{padding:11px 20px;font-size:14px}
  .form-card{padding:22px}
}