/* roulang page: index */
:root{
  --c-brand:#0E7C6B;
  --c-brand-dark:#0A5C50;
  --c-brand-soft:#E6F2EF;
  --c-accent:#F2542D;
  --c-accent-soft:#FDECE7;
  --c-gold:#F7B32B;
  --c-ink:#12212A;
  --c-ink-2:#5B6B72;
  --c-ink-3:#8A989C;
  --c-bg:#F8F7F4;
  --c-surface:#FFFFFF;
  --c-dark:#0D1B1E;
  --c-dark-2:#10201F;
  --c-line:#E4E8E6;
  --sh-1:0 1px 2px rgba(18,33,42,.06),0 2px 8px rgba(18,33,42,.04);
  --sh-2:0 8px 24px rgba(18,33,42,.10);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --sec-y:88px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
h1{font-size:42px;line-height:1.28;font-weight:700}
h2{font-size:30px;line-height:1.35;font-weight:700}
h3{font-size:21px;line-height:1.45;font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,124,107,.28);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.sec{padding:var(--sec-y) 0}
.sec-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head .lead-line{color:var(--c-ink-2);font-size:16.5px;margin-top:12px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--c-brand);background:var(--c-brand-soft);border-radius:999px;height:28px;padding:0 14px;margin-bottom:16px}

/* ---------- 顶部信息带 ---------- */
.topbar{height:36px;background:rgba(0,0,0,.34);color:rgba(255,255,255,.74);font-size:13.5px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;background:transparent;transition:background .2s ease,box-shadow .2s ease}
.site-header.scrolled{background:var(--c-surface);box-shadow:var(--sh-1)}
.site-header.scrolled .topbar{display:none}
.navbar-main{padding:14px 0}
.navbar-main .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:#fff;letter-spacing:-.01em;flex:0 0 auto}
.brand-mark{width:36px;height:36px;flex:0 0 36px}
.brand-text{white-space:nowrap}
.site-header.scrolled .brand{color:var(--c-ink)}
.chip-nav{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:2px}
.chip-nav::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-ink);font-size:15px;font-weight:600;white-space:nowrap;transition:background .18s ease,color .18s ease,transform .18s ease}
.chip:hover{background:#d5e9e4;color:var(--c-brand-dark)}
.chip.active{background:var(--c-brand);color:#fff;box-shadow:inset 0 1px 3px rgba(0,0,0,.16)}
.chip.active:hover{background:var(--c-brand-dark);color:#fff}
.site-header:not(.scrolled) .chip{background:rgba(255,255,255,.14);color:#fff}
.site-header:not(.scrolled) .chip:hover{background:rgba(255,255,255,.24);color:#fff}
.site-header:not(.scrolled) .chip.active{background:var(--c-brand);color:#fff}
.menu-toggle{width:44px;height:44px;border-radius:12px;border:1.5px solid rgba(255,255,255,.5);background:transparent;display:inline-flex;align-items:center;justify-content:center;gap:5px;flex-direction:column;transition:.2s}
.menu-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:.2s}
.site-header.scrolled .menu-toggle{border-color:var(--c-line)}
.site-header.scrolled .menu-toggle span{background:var(--c-ink)}

/* ---------- 按钮 ---------- */
.btn{font-family:var(--font);font-weight:600;border-radius:var(--r-btn);border:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;text-align:center;line-height:1}
.btn-brand{background:var(--c-brand);color:#fff;height:48px;padding:0 28px;font-size:16px}
.btn-brand:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--c-brand);border:1.5px solid var(--c-brand);height:48px;padding:0 26px;font-size:16px}
.btn-ghost:hover{background:var(--c-brand-soft);color:var(--c-brand-dark);border-color:var(--c-brand-dark)}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);height:48px;padding:0 26px;font-size:16px}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-accent{background:var(--c-accent);color:#fff;height:48px;padding:0 26px;font-size:16px}
.btn-accent:hover{background:#d8431f;color:#fff;transform:translateY(-1px)}
.btn-brand.btn-sm,.btn-accent.btn-sm,.btn-ghost.btn-sm,.btn-ghost-light.btn-sm{height:40px;padding:0 20px;font-size:15px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--c-brand)}
.link-arrow .arrow{transition:transform .18s ease;font-family:var(--font-num)}
.link-arrow:hover{color:var(--c-accent)}
.link-arrow:hover .arrow{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--c-dark);color:#fff;padding:172px 0 72px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(105deg,rgba(13,27,30,.94) 0%,rgba(13,27,30,.78) 52%,rgba(10,92,80,.62) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;z-index:0}
.hero .container{position:relative;z-index:1}
.hero h1{color:#fff;max-width:640px}
.hero .sub{font-size:17px;color:rgba(255,255,255,.82);margin:16px 0 28px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(255,255,255,.22);box-shadow:var(--sh-2)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-stats{margin-top:56px;border-top:1px solid rgba(255,255,255,.16);padding-top:26px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.hero-stat{display:flex;align-items:center;gap:12px}
.hero-stat .ic{width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:var(--c-gold)}
.hero-stat .v{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:#fff;line-height:1.2}
.hero-stat .t{font-size:13.5px;color:rgba(255,255,255,.7)}

/* ---------- 价值主张 ---------- */
.split-4-8{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.point-list li{display:flex;gap:14px;padding:22px 0;border-bottom:1px solid var(--c-line)}
.point-list li:first-child{padding-top:0}
.point-list li:last-child{border-bottom:0;padding-bottom:0}
.dot{width:10px;height:10px;flex:0 0 10px;border-radius:50%;background:var(--c-brand);margin-top:11px}
.point-list h3{margin-bottom:6px}
.point-list p{color:var(--c-ink-2);font-size:15.5px}

/* ---------- 图文交错 ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;border-top:1px solid var(--c-line)}
.feature-row:first-of-type{border-top:0;padding-top:0}
.feature-row.reverse .feature-media{order:2}
.feature-row.reverse .feature-body{order:1}
.feature-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--c-line)}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.feature-body p{color:var(--c-ink-2);margin:12px 0 18px}

/* ---------- 步骤带 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.steps::before{content:"";position:absolute;top:28px;left:60px;right:60px;border-top:1px dashed var(--c-line);z-index:0}
.step{position:relative;z-index:1}
.step-num{width:56px;height:56px;border:1.5px solid var(--c-brand);border-radius:12px;color:var(--c-brand);background:var(--c-surface);font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:23px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step h3{font-size:18px;margin-bottom:6px}
.step p{font-size:15.5px;color:var(--c-ink-2)}

/* ---------- 使用反馈错落卡 ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-grid .col-b{margin-top:32px}
.case-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-body{padding:24px}
.case-body h3{margin-bottom:8px}
.case-body p{color:var(--c-ink-2);font-size:15.5px}
.case-metric{margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--c-accent);font-size:20px;font-weight:700}
.case-metric span{font-family:var(--font);font-size:13.5px;color:var(--c-ink-3);font-weight:400;margin-left:8px}

/* ---------- 方案卡 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plan-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:30px 24px 24px;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.plan-card.recommend{border-color:rgba(242,84,45,.4)}
.plan-card.recommend::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c-accent);border-radius:var(--r-card) var(--r-card) 0 0}
.badge-rec{position:absolute;top:16px;right:16px;height:26px;padding:0 12px;border-radius:999px;background:var(--c-accent-soft);color:var(--c-accent);font-size:13px;font-weight:600;display:inline-flex;align-items:center}
.plan-name{font-size:19px;font-weight:700}
.plan-price{display:flex;align-items:baseline;gap:6px;margin:14px 0 6px;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:36px;font-weight:700;color:var(--c-brand)}
.plan-price small{font-family:var(--font);font-size:14px;color:var(--c-ink-3);font-weight:400}
.plan-desc{color:var(--c-ink-2);font-size:14.5px;margin-bottom:18px}
.plan-list{margin-bottom:22px}
.plan-list li{display:flex;gap:10px;font-size:15px;color:var(--c-ink-2);padding:7px 0}
.plan-list li::before{content:"✓";color:var(--c-brand);font-weight:700;flex:0 0 auto}
.plan-card .btn{margin-top:auto;width:100%}

/* ---------- 资讯卡 ---------- */
.post-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;height:100%;transition:transform .2s ease,box-shadow .2s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-thumb{display:block;overflow:hidden}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.badge-cat{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600;align-self:flex-start}
.post-title{font-size:18px;line-height:1.5;margin:12px 0 8px}
.post-title a{color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a:hover{color:var(--c-brand)}
.post-sum{color:var(--c-ink-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--c-ink-3);padding-top:14px;border-top:1px solid var(--c-line)}
.post-foot time{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.empty-state{min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:32px;border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface)}
.empty-state .ic{width:52px;height:52px;color:rgba(14,124,107,.4);margin-bottom:14px}
.empty-state p{color:var(--c-ink-2);margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line)}
.faq .accordion-item:first-child{border-top:1px solid var(--c-line)}
.faq .accordion-button{background:transparent;color:var(--c-ink);font-size:18px;font-weight:600;padding:22px 0;box-shadow:none;border-radius:0;gap:16px}
.faq .accordion-button:not(.collapsed){background:transparent;color:var(--c-brand);box-shadow:none}
.faq .accordion-button:focus{box-shadow:none}
.faq .accordion-button::after{display:none}
.faq-plus{position:relative;width:22px;height:22px;flex:0 0 22px;margin-left:auto;transition:transform .2s ease}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--c-ink-2);border-radius:2px;transition:background .2s ease}
.faq-plus::before{left:0;top:10px;width:22px;height:2px}
.faq-plus::after{left:10px;top:0;width:2px;height:22px}
.accordion-button:not(.collapsed) .faq-plus{transform:rotate(45deg)}
.accordion-button:not(.collapsed) .faq-plus::before,
.accordion-button:not(.collapsed) .faq-plus::after{background:var(--c-accent)}
.faq .accordion-body{padding:0 0 24px;color:var(--c-ink-2);font-size:16px;max-width:820px}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--c-dark);color:#fff;position:relative;overflow:hidden;padding:56px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(14,124,107,.18) 0 2px,transparent 2px 14px);opacity:.6}
.cta-band .container{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:26px}
.cta-band p{color:rgba(255,255,255,.78);margin:8px 0 0;font-size:16px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark-2);color:rgba(255,255,255,.8);padding:64px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.site-footer h4{font-size:14px;color:rgba(230,242,239,.85);font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:14px}
.site-footer p{color:rgba(255,255,255,.62);font-size:14.5px;line-height:1.8}
.site-footer li{margin-bottom:11px}
.site-footer a{color:rgba(255,255,255,.8);font-size:15px}
.site-footer a:hover{color:var(--c-accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.55)}
.footer-bottom .num{font-variant-numeric:tabular-nums}

/* ---------- offcanvas ---------- */
.drawer{background:var(--c-dark);color:#fff;width:320px;border:0}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer .brand{color:#fff}
.drawer .drawer-body{padding:18px 20px}
.drawer .chip{display:flex;width:100%;justify-content:flex-start;background:rgba(255,255,255,.08);color:#fff;margin-bottom:10px}
.drawer .chip.active{background:var(--c-brand);color:#fff}
.drawer .drawer-cta{margin-top:16px;width:100%}
.btn-close-drawer{background:transparent;border:0;color:#fff;font-size:22px;line-height:1;padding:4px 8px}
.icon{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container{max-width:100%}
  .split-4-8{gap:36px}
  .feature-row{gap:36px}
}
@media (max-width:991.98px){
  h1{font-size:34px}
  h2{font-size:26px}
  :root{--sec-y:64px}
  .split-4-8{grid-template-columns:1fr;gap:28px}
  .feature-row{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .feature-row.reverse .feature-media{order:1}
  .feature-row.reverse .feature-body{order:2}
  .case-grid{grid-template-columns:1fr}
  .case-grid .col-b{margin-top:0}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .hero{padding:148px 0 56px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:18px}
  .container{padding-left:16px;padding-right:16px}
  :root{--sec-y:48px}
  .topbar{display:none}
  .hero{padding:112px 0 44px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero .sub{font-size:16px}
  .steps{grid-template-columns:1fr;gap:22px}
  .steps::before{top:0;bottom:0;left:27px;right:auto;border-top:0;border-left:1px dashed var(--c-line)}
  .step{display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start}
  .step-num{margin-bottom:0}
  .step-body{padding-top:8px}
  .cta-band .container{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .post-body{padding:20px}
  .case-body{padding:20px}
  .plan-card{padding:26px 20px 20px}
}
@media (max-width:480px){
  .hero-stat .ic{display:none}
  .hero-stats{gap:14px}
  .brand{font-size:17px}
  .brand-mark{width:32px;height:32px;flex:0 0 32px}
}

/* roulang page: article */
:root{
  --c-brand:#0E7C6B;
  --c-brand-dark:#0A5C50;
  --c-brand-soft:#E6F2EF;
  --c-accent:#F2542D;
  --c-accent-soft:#FDECE7;
  --c-gold:#F7B32B;
  --c-ink:#12212A;
  --c-ink-2:#5B6B72;
  --c-ink-3:#8A989C;
  --c-bg:#F8F7F4;
  --c-surface:#FFFFFF;
  --c-dark:#0D1B1E;
  --c-dark-2:#10201F;
  --c-line:#E4E8E6;
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(18,33,42,.06),0 2px 8px rgba(18,33,42,.04);
  --sh-2:0 8px 24px rgba(18,33,42,.10);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-brand);text-decoration:none}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.num,.time,[datetime]{font-family:var(--font-num);font-variant-numeric:tabular-nums}
:focus{outline:none}
:focus-visible{outline:3px solid rgba(14,124,107,.28);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (max-width:1400px){.container{max-width:1140px}}
@media (max-width:767.98px){.container{padding-left:16px;padding-right:16px}}

/* ---------- buttons ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15.5px;font-weight:600;line-height:1;
  height:48px;padding:0 28px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px}
.btn-brand{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}
.btn-brand:hover{background:var(--c-brand-dark);border-color:var(--c-brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-accent:hover{background:#D94421;border-color:#D94421;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline-brand{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn-outline-brand:hover{background:var(--c-brand-soft);color:var(--c-brand-dark);border-color:var(--c-brand-dark)}
.btn-ghost-dark{background:transparent;color:rgba(255,255,255,.9);border-color:rgba(255,255,255,.35)}
.btn-ghost-dark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--c-brand)}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover{color:var(--c-accent)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);box-shadow:var(--sh-1)}
.topbar{background:var(--c-dark);color:rgba(255,255,255,.72);font-size:13px;height:36px;align-items:center}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.navbar-main{padding:10px 0}
.navbar-main .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:32px;height:32px;flex:0 0 32px}
.brand-text{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.chip-nav{display:flex;align-items:center;gap:8px;flex-wrap:nowrap}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:999px;background:var(--c-brand-soft);color:var(--c-ink);
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{background:#D6E9E4;color:var(--c-brand-dark)}
.chip.active{background:var(--c-brand);color:#fff;box-shadow:inset 0 2px 6px rgba(0,0,0,.14)}
.menu-toggle{
  width:42px;height:42px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink)}
.drawer{background:var(--c-dark);color:#fff;width:308px}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 8px}
.drawer .brand-text{color:#fff}
.drawer-body{padding:12px 20px 28px}
.drawer-chip{
  display:block;padding:13px 16px;border-radius:12px;color:rgba(255,255,255,.88);
  font-size:15.5px;font-weight:600;background:rgba(255,255,255,.06);margin-bottom:10px;
}
.drawer-chip:hover,.drawer-chip.active{background:var(--c-brand);color:#fff}
.drawer-cta{margin-top:8px;width:100%}
.drawer-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.7}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;color:#fff;
  background-image:linear-gradient(rgba(13,27,30,.84),rgba(13,27,30,.9)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:44px 0 52px;
}
.article-hero h1{color:#fff;font-size:42px;line-height:1.28;font-weight:700;letter-spacing:-.01em;margin:14px 0 12px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.7)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:rgba(255,255,255,.45)}
.crumb a{color:rgba(255,255,255,.8)}
.crumb a:hover{color:var(--c-accent)}
.crumb .current{color:#fff}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--c-brand-soft);color:var(--c-brand);
}
.badge-cat.on-dark{background:rgba(14,124,107,.28);color:#8FE3D4}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13.5px;color:rgba(255,255,255,.72)}
.article-meta i{color:rgba(255,255,255,.5);margin-right:6px}
.article-meta .sep{width:1px;height:14px;background:rgba(255,255,255,.25)}

/* ---------- article layout ---------- */
.page-main{padding:56px 0 72px}
.article-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:44px 48px;
}
.article-body{max-width:720px}
.article-body p{font-size:16.5px;line-height:1.85;color:var(--c-ink);margin:0 0 1.1em}
.article-body h2{
  font-size:30px;line-height:1.4;margin:44px 0 16px;padding-left:12px;
  border-left:4px solid var(--c-brand);
}
.article-body h3{font-size:21px;line-height:1.5;margin:32px 0 12px;font-weight:700}
.article-body h4{font-size:17.5px;margin:24px 0 10px}
.article-body ul{margin:0 0 1.2em;padding:0}
.article-body ul>li{position:relative;padding-left:22px;margin-bottom:9px;font-size:16.5px;line-height:1.85}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:13px;width:8px;height:8px;
  border-radius:2px;background:var(--c-brand);
}
.article-body ol{counter-reset:artol;margin:0 0 1.2em;padding:0}
.article-body ol>li{position:relative;counter-increment:artol;padding-left:30px;margin-bottom:10px;font-size:16.5px}
.article-body ol>li::before{
  content:counter(artol);position:absolute;left:0;top:3px;width:20px;height:20px;
  border-radius:6px;background:var(--c-brand-soft);color:var(--c-brand);
  font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--c-brand-soft);
  border-left:3px solid var(--c-brand);border-radius:0;color:var(--c-ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent);text-decoration-thickness:2px}
.article-body img{border-radius:var(--r-img);margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13.5px;color:var(--c-ink-3);text-align:center;margin-top:10px}
.article-body .table-scroll{overflow-x:auto;margin:26px 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:480px}
.article-body table th,
.article-body table td{border:1px solid var(--c-line);padding:11px 14px;text-align:left}
.article-body table th{background:#F1F5F3;font-weight:700;color:var(--c-ink)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}

/* ---------- sidebar ---------- */
.side-col{display:none}
@media (min-width:1200px){.side-col{display:block}}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:24px;position:sticky;top:96px;
}
.side-card+.side-card{margin-top:20px}
.side-title{font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-accent)}
.side-list li+li{margin-top:10px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:14.5px;color:var(--c-ink-2);padding:7px 0;
  transition:color .18s ease,padding-left .18s ease;
}
.side-list a:hover{color:var(--c-brand);padding-left:2px}
.side-list i{font-size:12px;color:var(--c-ink-3)}
.side-note{font-size:13.5px;line-height:1.8;color:var(--c-ink-2);margin:0}

/* ---------- tags / related / pager ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line)}
.tag-row .label{font-size:13.5px;color:var(--c-ink-3);margin-right:4px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600}
.tag:hover{background:var(--c-brand);color:#fff}

.section{padding:56px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:30px;line-height:1.35}
.section-head p{margin:8px 0 0;font-size:15px;color:var(--c-ink-2)}
.card-post{
  display:flex;flex-direction:column;height:100%;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;
}
.card-post:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card-post .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-soft)}
.card-post .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;margin:0}
.card-post .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-post h3{font-size:17.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-post h3 a{color:var(--c-ink)}
.card-post h3 a:hover{color:var(--c-brand)}
.card-post .excerpt{
  font-size:14.5px;line-height:1.75;color:var(--c-ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-post .foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:14px;font-size:13.5px;color:var(--c-ink-3);
}
.card-post .foot a{font-weight:600;font-size:14px}

.pager-bar{display:flex;gap:16px;margin-top:28px}
.pager-link{
  flex:1;display:flex;flex-direction:column;gap:6px;padding:18px 22px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager-link:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFDDD9}
.pager-link span{font-size:13px;color:var(--c-ink-3)}
.pager-link strong{font-size:16px;color:var(--c-ink);font-weight:700}
.pager-link.next{text-align:right;align-items:flex-end}
.pager-link:hover strong{color:var(--c-brand)}

.empty-state{
  min-height:240px;padding:32px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;text-align:center;
}
.empty-state i{font-size:44px;color:rgba(14,124,107,.4)}
.empty-state p{margin:0;font-size:15.5px;color:var(--c-ink-2)}

/* ---------- CTA ---------- */
.cta-strip{
  margin-top:64px;background:var(--c-dark);color:#fff;border-radius:var(--r-card);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  background-image:repeating-linear-gradient(135deg,rgba(14,124,107,.16) 0 2px,transparent 2px 14px);
}
.cta-strip h2{color:#fff;font-size:26px;line-height:1.4}
.cta-strip p{color:rgba(255,255,255,.72);margin:8px 0 0;font-size:15px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark-2);color:rgba(255,255,255,.8);margin-top:80px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand span{font-size:17px;font-weight:700;color:#fff}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);margin:0}
.site-footer h4{font-size:14px;color:#8FE3D4;margin-bottom:14px;font-weight:600}
.site-footer ul li+li{margin-top:10px}
.site-footer ul a{color:rgba(255,255,255,.8);font-size:14.5px;transition:color .18s ease,padding-left .18s ease}
.site-footer ul a:hover{color:var(--c-accent);padding-left:2px}
.site-footer ul li{font-size:14.5px;color:rgba(255,255,255,.7)}
.footer-bottom{
  margin-top:44px;padding:18px 0 24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .article-hero h1{font-size:34px}
  .article-wrap{padding:36px 32px}
}
@media (max-width:991.98px){
  .topbar{display:none}
  .article-body h2{font-size:24px;margin:34px 0 14px}
  .article-body h3{font-size:19px}
  .section-head h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .article-hero{padding:32px 0 36px}
  .article-hero h1{font-size:28px;margin:12px 0 10px}
  .crumb li:first-child{display:none}
  .crumb li:first-child+li::before{content:none}
  .article-meta{gap:12px}
  .article-meta .sep{display:none}
  .page-main{padding:36px 0 56px}
  .article-wrap{padding:24px 20px;border-radius:12px}
  .article-body p,.article-body ul>li{font-size:16px}
  .article-body h2{font-size:22px}
  .section{padding:40px 0 0}
  .cta-strip{
    flex-direction:column;align-items:flex-start;padding:28px 24px;gap:20px;
    background-image:repeating-linear-gradient(135deg,rgba(14,124,107,.14) 0 2px,transparent 2px 12px);
  }
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .pager-bar{flex-direction:column}
  .pager-link.next{text-align:left;align-items:flex-start}
  .site-footer{padding-top:44px;margin-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:480px){
  .article-hero h1{font-size:26px}
  .brand-text{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .article-wrap{padding:20px 16px}
}

/* roulang page: category1 */
:root{
  --c-brand:#0E7C6B;
  --c-brand-dark:#0A5C50;
  --c-brand-soft:#E6F2EF;
  --c-accent:#F2542D;
  --c-accent-soft:#FDECE7;
  --c-gold:#F7B32B;
  --c-ink:#12212A;
  --c-ink-2:#5B6B72;
  --c-ink-3:#8A989C;
  --c-bg:#F8F7F4;
  --c-surface:#FFFFFF;
  --c-dark:#0D1B1E;
  --c-dark-2:#10201F;
  --c-line:#E4E8E6;
  --sh-1:0 1px 2px rgba(18,33,42,.06),0 2px 8px rgba(18,33,42,.04);
  --sh-2:0 8px 24px rgba(18,33,42,.10);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --sp:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease,transform .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-family:"Inter",ui-sans-serif,system-ui,sans-serif;font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
:focus-visible{outline:3px solid rgba(14,124,107,.28);outline-offset:2px;border-radius:6px;}

/* ============ header ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;}
.topbar{background:var(--c-dark);color:rgba(255,255,255,.72);font-size:13.5px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px;}
.navbar-main{background:transparent;transition:background .2s ease,box-shadow .2s ease;}
.site-header.is-scrolled .navbar-main{background:var(--c-surface);box-shadow:var(--sh-1);}
.navbar-main .container{display:flex;align-items:center;gap:16px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:32px;height:32px;flex:0 0 32px;}
.brand-text{font-size:19px;font-weight:700;color:#fff;letter-spacing:.01em;transition:color .2s ease;}
.site-header.is-scrolled .brand-text{color:var(--c-ink);}
.chip-wrap{flex:1 1 auto;display:flex;justify-content:center;}
.chip-nav{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--c-ink);
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{background:#fff;color:var(--c-ink);}
.chip.active{background:var(--c-brand);color:#fff;box-shadow:inset 0 1px 3px rgba(0,0,0,.18);}
.site-header.is-scrolled .chip{background:var(--c-brand-soft);color:var(--c-ink);}
.site-header.is-scrolled .chip:hover{background:#D5E9E4;}
.site-header.is-scrolled .chip.active{background:var(--c-brand);color:#fff;}
.menu-toggle{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.10);display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;padding:0;cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.menu-toggle span{display:block;width:19px;height:2px;background:#fff;border-radius:2px;transition:background .2s ease;}
.site-header.is-scrolled .menu-toggle{border-color:var(--c-line);background:var(--c-brand-soft);}
.site-header.is-scrolled .menu-toggle span{background:var(--c-ink);}
.chip-scroll{overflow-x:auto;padding:0 16px 14px;scrollbar-width:none;}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip-scroll-inner{display:flex;gap:8px;width:max-content;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:16px;font-weight:600;font-family:inherit;line-height:1;
  cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:focus,.btn:focus-visible{box-shadow:0 0 0 3px rgba(14,124,107,.28);outline:none;}
.btn-brand{background:var(--c-brand);color:#fff;}
.btn-brand:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn-outline:hover{background:var(--c-brand-soft);color:var(--c-brand-dark);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#D8441F;color:#fff;transform:translateY(-1px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.75);}
.btn-sm{height:40px;padding:0 20px;font-size:15px;}
.btn-link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-brand);background:none;border:0;padding:0;height:auto;}
.btn-link-arrow .arw{transition:transform .2s ease;display:inline-block;}
.btn-link-arrow:hover{color:var(--c-accent);}
.btn-link-arrow:hover .arw{transform:translateX(3px);}

/* ============ drawer ============ */
.drawer{background:var(--c-surface);width:320px !important;}
.drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px;align-items:center;}
.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-ink);}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink-2);font-size:22px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.drawer .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:20px;}
.drawer-nav{display:flex;flex-direction:column;gap:8px;}
.drawer-nav .chip{justify-content:flex-start;width:100%;height:46px;background:var(--c-brand-soft);}
.drawer-nav .chip.active{background:var(--c-brand);color:#fff;}

/* ============ hero ============ */
.hero{
  position:relative;color:#fff;overflow:hidden;
  padding:152px 0 84px;
  background-image:linear-gradient(92deg,rgba(13,27,30,.94) 0%,rgba(13,27,30,.82) 42%,rgba(10,92,80,.66) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(255,255,255,.10);
}
.hero-inner{position:relative;z-index:2;max-width:800px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:20px;flex-wrap:wrap;}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"›";color:rgba(255,255,255,.5);}
.crumbs a{color:rgba(255,255,255,.8);}
.crumbs a:hover{color:#fff;}
.crumbs li[aria-current] {color:#fff;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(242,84,45,.18);border:1px solid rgba(242,84,45,.5);
  color:#FFD9CE;font-size:13.5px;font-weight:600;margin-bottom:20px;
}
.hero h1{font-size:42px;line-height:1.28;font-weight:700;color:#fff;letter-spacing:-.01em;}
.hero-sub{margin-top:16px;font-size:17.5px;color:rgba(255,255,255,.82);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-notes{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.16);}
.hero-note{display:flex;align-items:center;gap:8px;font-size:14.5px;color:rgba(255,255,255,.78);}
.hero-note .dot{width:8px;height:8px;border-radius:2px;background:var(--c-gold);flex:0 0 8px;}

/* ============ trust strip ============ */
.trust-strip{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 0;}
.trust-item{display:flex;align-items:center;gap:14px;}
.trust-icon{
  width:44px;height:44px;border-radius:12px;background:var(--c-brand-soft);
  display:flex;align-items:center;justify-content:center;flex:0 0 44px;color:var(--c-brand);
}
.trust-icon svg{width:22px;height:22px;}
.trust-num{font-size:22px;font-weight:700;color:var(--c-ink);line-height:1.2;}
.trust-label{font-size:13.5px;color:var(--c-ink-3);}

/* ============ section ============ */
.section{padding:var(--sp) 0;}
.section.alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-eyebrow{display:inline-block;font-size:13.5px;font-weight:700;color:var(--c-brand);letter-spacing:.08em;margin-bottom:10px;}
.sec-head h2{font-size:30px;line-height:1.35;}
.sec-head p{margin-top:14px;color:var(--c-ink-2);max-width:680px;}

/* ============ intro split ============ */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.intro-copy h2{font-size:30px;line-height:1.35;margin-bottom:18px;}
.intro-copy p{color:var(--c-ink-2);}
.intro-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.intro-points li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:var(--c-ink);}
.intro-points .tick{
  width:22px;height:22px;border-radius:6px;background:var(--c-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:0 0 22px;margin-top:4px;font-size:13px;
}
.intro-figure{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);}
.intro-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.intro-badge{
  position:absolute;left:18px;bottom:18px;background:rgba(13,27,30,.86);color:#fff;
  border-radius:12px;padding:12px 16px;font-size:14px;line-height:1.5;backdrop-filter:blur(2px);
}
.intro-badge strong{display:block;font-size:19px;color:var(--c-gold);}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step{position:relative;padding-right:8px;}
.step-num{
  width:52px;height:52px;border-radius:14px;border:2px solid var(--c-brand);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
  background:var(--c-surface);margin-bottom:18px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:15.5px;color:var(--c-ink-2);margin:0;}
.step::after{
  content:"";position:absolute;top:26px;left:70px;right:-12px;border-top:1px dashed var(--c-line);
}
.step:last-child::after{display:none;}

/* ============ card grid ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.icard{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.icard:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.icard-cover{aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-soft);}
.icard-cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.icard:hover .icard-cover img{transform:scale(1.03);}
.icard-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.badge-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600;margin-bottom:14px;align-self:flex-start;
}
.badge-pill.accent{background:var(--c-accent-soft);color:var(--c-accent);}
.icard h3{font-size:19px;line-height:1.5;margin-bottom:8px;}
.icard h3 a{color:var(--c-ink);}
.icard h3 a:hover{color:var(--c-brand);}
.icard p{font-size:15.5px;color:var(--c-ink-2);margin-bottom:16px;}
.icard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.meta-time{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--c-ink-3);}
.meta-time::before{
  content:"";width:12px;height:12px;border-radius:50%;border:1.5px solid var(--c-ink-3);
  display:inline-block;flex:0 0 12px;
}

/* ============ notice ============ */
.notice{
  display:flex;gap:16px;align-items:flex-start;background:var(--c-brand-soft);
  border-left:4px solid var(--c-brand);border-radius:0 var(--r-card) var(--r-card) 0;
  padding:22px 24px;
}
.notice h3{font-size:17px;margin-bottom:6px;}
.notice p{font-size:15.5px;color:var(--c-ink-2);margin:0;}
.notice .notice-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:0 0 36px;font-weight:700;
}

/* ============ faq ============ */
.faq-wrap{max-width:900px;}
.faq-accordion{
  --bs-accordion-bg:transparent;
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-btn-color:var(--c-ink);
  --bs-accordion-active-color:var(--c-brand);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-border-width:0;
  --bs-accordion-btn-icon:none;
  --bs-accordion-btn-active-icon:none;
}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);}
.faq-accordion .accordion-button{
  font-family:inherit;font-size:18px;font-weight:600;color:var(--c-ink);
  padding:22px 0;background:transparent;box-shadow:none;line-height:1.55;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--c-brand);box-shadow:none;}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-accordion .accordion-button::after{
  content:"";flex:0 0 20px;width:20px;height:20px;margin-left:auto;
  background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor);
  background-size:12px 2px,2px 12px;
  background-position:center,center;
  background-repeat:no-repeat;
  color:var(--c-brand);
  transform:none;
  transition:transform .2s ease,color .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--c-accent);}
.faq-accordion .accordion-body{padding:0 40px 24px 0;font-size:16px;color:var(--c-ink-2);line-height:1.85;}

/* ============ cta ============ */
.cta-band{
  background-color:var(--c-dark);
  background-image:linear-gradient(115deg,rgba(14,124,107,.28) 0%,rgba(13,27,30,0) 55%),
                   repeating-linear-gradient(125deg,rgba(255,255,255,.035) 0 2px,transparent 2px 12px);
  color:#fff;padding:64px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:28px;line-height:1.35;}
.cta-inner p{color:rgba(255,255,255,.74);margin-top:10px;font-size:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{background:var(--c-dark-2);color:rgba(255,255,255,.8);padding:64px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand span{font-size:18px;font-weight:700;color:#fff;}
.site-footer h4{font-size:14px;font-weight:700;color:#7FD3C3;letter-spacing:.04em;margin-bottom:16px;}
.site-footer p{color:rgba(255,255,255,.62);font-size:14.5px;line-height:1.8;margin:0;}
.site-footer ul{display:flex;flex-direction:column;gap:12px;}
.site-footer a{color:rgba(255,255,255,.8);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,transform .2s ease;}
.site-footer a:hover{color:var(--c-accent);transform:translateX(2px);}
.site-footer li{color:rgba(255,255,255,.62);font-size:14.5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ============ responsive ============ */
@media (max-width:1399px){
  .container{max-width:1140px;}
}
@media (max-width:1199px){
  :root{--sp:72px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:36px;}
  .step:nth-child(2)::after{display:none;}
}
@media (max-width:991px){
  :root{--sp:64px;}
  .hero{padding:140px 0 68px;}
  .hero h1{font-size:34px;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);row-gap:20px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767px){
  :root{--sp:48px;}
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .topbar{display:none !important;}
  .navbar-main .container{min-height:64px;gap:10px;}
  .brand-text{font-size:17px;}
  .hero{padding:112px 0 52px;}
  .hero h1{font-size:28px;line-height:1.3;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-notes{gap:12px;flex-direction:column;}
  .sec-head h2{font-size:22px;}
  .intro-copy h2{font-size:22px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:16px;padding:24px 0;}
  .trust-icon{width:38px;height:38px;flex:0 0 38px;border-radius:10px;}
  .trust-num{font-size:19px;}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;row-gap:24px;}
  .step::after{display:none;}
  .step{padding-left:66px;min-height:64px;}
  .step-num{position:absolute;left:0;top:0;margin-bottom:0;}
  .icard-body{padding:20px;}
  .faq-accordion .accordion-button{font-size:16.5px;padding:18px 0;}
  .faq-accordion .accordion-body{padding:0 0 20px;font-size:15.5px;}
  .cta-band{padding:48px 0;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:480px){
  .hero::before{display:none;}
  .hero-kicker{font-size:12.5px;}
  .trust-grid{grid-template-columns:1fr;}
  .intro-badge{left:12px;bottom:12px;padding:10px 12px;font-size:13px;}
}

/* roulang page: category2 */
:root{
  --c-brand:#0E7C6B;
  --c-brand-dark:#0A5C50;
  --c-brand-soft:#E6F2EF;
  --c-accent:#F2542D;
  --c-accent-soft:#FDECE7;
  --c-gold:#F7B32B;
  --c-ink:#12212A;
  --c-ink-2:#5B6B72;
  --c-ink-3:#8A989C;
  --c-bg:#F8F7F4;
  --c-surface:#FFFFFF;
  --c-dark:#0D1B1E;
  --c-dark-2:#10201F;
  --c-line:#E4E8E6;
  --sh-1:0 1px 2px rgba(18,33,42,.06),0 2px 8px rgba(18,33,42,.04);
  --sh-2:0 8px 24px rgba(18,33,42,.10);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --sec-pad:88px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter",ui-sans-serif,system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-btn);font-size:16px;font-weight:600;border:1.5px solid transparent;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,124,107,.28);}
.btn-brand{background:var(--c-brand);color:#fff;}
.btn-brand:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-1px);}
.btn-outline-brand{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-outline-brand:hover{background:var(--c-brand-soft);color:var(--c-brand-dark);border-color:var(--c-brand-dark);}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-accent:hover{background:#d9401d;border-color:#d9401d;color:#fff;transform:translateY(-1px);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px;}
.btn-link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-brand);background:none;border:0;padding:0;height:auto;}
.btn-link-arrow svg{transition:transform .2s ease;}
.btn-link-arrow:hover{color:var(--c-accent);}
.btn-link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 顶部信息带 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;transition:background-color .2s ease,box-shadow .2s ease;}
.topbar{background:var(--c-dark);color:rgba(255,255,255,.78);font-size:13.5px;height:36px;max-height:36px;overflow:hidden;transition:max-height .2s ease,padding .2s ease;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:36px;}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.site-header.scrolled .topbar{max-height:0;}

/* ---------- 导航 ---------- */
.navbar-main{background:transparent;transition:background-color .2s ease,box-shadow .2s ease;}
.navbar-main .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.site-header.scrolled{background:var(--c-surface);box-shadow:var(--sh-1);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:8px;display:block;}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.01em;color:#fff;transition:color .2s ease;white-space:nowrap;}
.site-header.scrolled .brand-text{color:var(--c-ink);}

.chip-nav{display:flex;align-items:center;gap:8px;}
.chip{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-ink);font-size:15px;font-weight:600;white-space:nowrap;transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;}
.chip:hover{background:#d5e9e4;color:var(--c-brand-dark);}
.chip.active{background:var(--c-brand);color:#fff;box-shadow:inset 0 1px 2px rgba(0,0,0,.16);}
.chip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,124,107,.28);}

.menu-toggle{width:44px;height:44px;border:1.5px solid rgba(255,255,255,.45);border-radius:12px;background:transparent;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0;transition:border-color .2s ease,background-color .2s ease;}
.menu-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:background-color .2s ease;}
.site-header.scrolled .menu-toggle{border-color:var(--c-line);}
.site-header.scrolled .menu-toggle span{background:var(--c-ink);}
.menu-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,124,107,.28);}

.offcanvas.drawer{background:var(--c-dark);color:#fff;width:310px;}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid rgba(255,255,255,.12);}
.drawer .drawer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.85;}
.drawer .drawer-body{padding:20px 22px 32px;}
.drawer .drawer-label{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.06em;margin-bottom:12px;}
.drawer-chips{display:flex;flex-direction:column;gap:10px;margin-bottom:26px;}
.drawer-chip{display:flex;align-items:center;justify-content:space-between;height:46px;padding:0 16px;border-radius:12px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.9);font-weight:600;}
.drawer-chip:hover{background:rgba(255,255,255,.12);color:#fff;}
.drawer-chip.active{background:var(--c-brand);color:#fff;}
.drawer .btn{width:100%;}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;
  padding:172px 0 0;
  background:linear-gradient(180deg,rgba(13,27,30,.86) 0%,rgba(13,27,30,.72) 60%,rgba(13,27,30,.88) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
}
.hero-cat h1{color:#fff;font-size:42px;line-height:1.28;letter-spacing:-.01em;}
.hero-cat .breadcrumb-nav{font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:18px;}
.hero-cat .breadcrumb-nav ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.hero-cat .breadcrumb-nav li{display:flex;align-items:center;gap:8px;}
.hero-cat .breadcrumb-nav a{color:rgba(255,255,255,.78);}
.hero-cat .breadcrumb-nav a:hover{color:var(--c-accent);}
.hero-cat .breadcrumb-nav .sep{color:rgba(255,255,255,.4);}
.hero-cat .breadcrumb-nav .current{color:#fff;}
.hero-cat .hero-sub{margin-top:16px;font-size:17px;color:rgba(255,255,255,.82);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

.hero-stats{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.16);
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.hero-stats .stat{padding:24px 20px 28px;border-right:1px solid rgba(255,255,255,.12);}
.hero-stats .stat:last-child{border-right:0;}
.hero-stats .stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--c-gold);line-height:1.2;}
.hero-stats .stat-label{margin-top:6px;font-size:14px;color:rgba(255,255,255,.72);}

/* ---------- 区块通用 ---------- */
.sec{padding:var(--sec-pad) 0;}
.sec-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head h2{font-size:30px;line-height:1.35;margin-bottom:12px;}
.sec-head p{color:var(--c-ink-2);margin:0;}
.eyebrow{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600;margin-bottom:14px;}

/* ---------- 简介两栏 ---------- */
.intro-copy h2{font-size:30px;margin-bottom:16px;}
.intro-copy p{color:var(--c-ink-2);}
.intro-points{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.intro-points li{display:flex;gap:12px;align-items:flex-start;}
.dot{flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--c-brand);margin-top:11px;}
.intro-points strong{display:block;color:var(--c-ink);font-weight:600;}
.intro-points span{color:var(--c-ink-2);font-size:15.5px;}
.intro-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);}
.intro-media img{width:100%;height:100%;min-height:320px;object-fit:cover;}
.intro-media .media-tag{position:absolute;left:16px;bottom:16px;background:rgba(13,27,30,.82);color:#fff;font-size:13.5px;padding:8px 14px;border-radius:999px;}

/* ---------- 提示带 ---------- */
.tip-band{background:var(--c-brand-soft);border-left:4px solid var(--c-brand);border-radius:0 var(--r-card) var(--r-card) 0;padding:22px 26px;color:var(--c-ink);}
.tip-band strong{color:var(--c-brand-dark);}
.tip-band p{margin:0;color:var(--c-ink-2);}

/* ---------- 卡片 ---------- */
.card-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d7e2de;}
.card-cover{aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-soft);}
.card-cover img{width:100%;height:100%;object-fit:cover;}
.card-body-inner{padding:24px;display:flex;flex-direction:column;flex:1 1 auto;}
.badge-cat{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600;align-self:flex-start;}
.badge-state{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-accent-soft);color:var(--c-accent);font-size:13px;font-weight:600;}
.card-title{font-size:20px;line-height:1.45;margin:14px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-title a{color:var(--c-ink);}
.card-title a:hover{color:var(--c-brand);}
.card-excerpt{color:var(--c-ink-2);font-size:15.5px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--c-line);}
.timestamp{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--c-ink-3);font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 步骤带 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step{position:relative;padding-right:8px;}
.step-num{width:56px;height:56px;border-radius:14px;border:1.5px solid var(--c-brand);background:var(--c-surface);color:var(--c-brand);font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:21px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{color:var(--c-ink-2);font-size:15.5px;margin:0;}
.step:not(:last-child)::after{
  content:"";position:absolute;top:28px;left:68px;right:16px;border-top:1px dashed var(--c-line);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);}
.accordion-button{
  background:transparent;
  color:var(--c-ink);
  font-size:17px;
  font-weight:600;
  padding:22px 44px 22px 0;
  box-shadow:none;
  border:0;
  line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--c-brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button:focus-visible{box-shadow:0 0 0 3px rgba(14,124,107,.28);border-radius:8px;}
.accordion-button::after{
  content:"";
  width:16px;height:16px;
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2016%2016'%3E%3Cpath%20d='M8%202v12M2%208h12'%20stroke='%23F2542D'%20stroke-width='2'%20stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-size:16px 16px;
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{padding:0 48px 24px 0;color:var(--c-ink-2);font-size:15.5px;line-height:1.85;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,rgba(14,124,107,.20),rgba(13,27,30,0) 55%),var(--c-dark);
  color:#fff;
  padding:56px 0;
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.76);margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark-2);color:rgba(255,255,255,.8);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.site-footer p{color:rgba(255,255,255,.66);font-size:15px;margin:0;max-width:330px;}
.site-footer h4{color:#7FD4C4;font-size:14px;letter-spacing:.04em;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,.8);font-size:15px;}
.site-footer ul a:hover{color:var(--c-accent);}
.site-footer li span{font-size:15px;color:rgba(255,255,255,.66);}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.58);}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .container{max-width:1140px;}
}
@media (max-width:1199.98px){
  :root{--sec-pad:72px;}
  .hero-cat h1{font-size:36px;}
}
@media (max-width:991.98px){
  :root{--sec-pad:64px;}
  .hero-cat{padding-top:150px;}
  .hero-cat h1{font-size:32px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-stats .stat:nth-child(2){border-right:0;}
  .hero-stats .stat:nth-child(1),.hero-stats .stat:nth-child(2){border-bottom:1px solid rgba(255,255,255,.12);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:not(:last-child)::after{display:none;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .chip-scroll{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
  .chip-scroll::-webkit-scrollbar{display:none;}
}
@media (max-width:767.98px){
  :root{--sec-pad:48px;}
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .hero-cat{padding-top:132px;}
  .hero-cat h1{font-size:28px;}
  .hero-cat .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .sec-head h2{font-size:22px;}
  .intro-copy h2{font-size:22px;}
  .card-body-inner{padding:20px;}
  .card-title{font-size:18px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .intro-media img{min-height:220px;}
}
@media (max-width:480px){
  .hero-stats{grid-template-columns:1fr;}
  .hero-stats .stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding:18px 0 20px;}
  .hero-stats .stat:last-child{border-bottom:0;}
  .steps{grid-template-columns:1fr;}
  .brand-text{font-size:16.5px;}
  .topbar{display:none !important;}
  .hero-cat{padding-top:112px;}
  .tip-band{padding:18px 20px;}
}

/* roulang page: category3 */
:root{
  --c-brand:#0E7C6B;
  --c-brand-dark:#0A5C50;
  --c-brand-soft:#E6F2EF;
  --c-accent:#F2542D;
  --c-accent-soft:#FDECE7;
  --c-gold:#F7B32B;
  --c-ink:#12212A;
  --c-ink-2:#5B6B72;
  --c-ink-3:#8A989C;
  --c-bg:#F8F7F4;
  --c-surface:#FFFFFF;
  --c-dark:#0D1B1E;
  --c-dark-2:#10201F;
  --c-line:#E4E8E6;
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(18,33,42,.06),0 2px 8px rgba(18,33,42,.04);
  --sh-2:0 8px 24px rgba(18,33,42,.10);
  --sec-y:88px;
  --nav-fg:#FFFFFF;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num,time{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1200px){.container{max-width:1200px;}}
@media (min-width:1400px){.container{max-width:1200px;}}
@media (max-width:767.98px){.container{padding-left:16px;padding-right:16px;}}

:focus-visible{outline:3px solid rgba(14,124,107,.28);outline-offset:2px;border-radius:6px;}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;transition:background .2s ease,box-shadow .2s ease,backdrop-filter .2s ease;}
.site-header.is-scrolled{background:var(--c-surface);box-shadow:var(--sh-1);--nav-fg:#12212A;}
.topbar{background:var(--c-dark);color:rgba(255,255,255,.72);font-size:13px;line-height:1;height:36px;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.navbar-main{padding:10px 0;transition:padding .2s ease;}
.site-header.is-scrolled .navbar-main{padding:6px 0;}
.navbar-main .container{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:32px;height:32px;flex:none;border-radius:8px;}
.brand-text{font-size:17.5px;font-weight:700;letter-spacing:.01em;color:var(--nav-fg);transition:color .2s ease;white-space:nowrap;}

.chip-nav{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--c-ink);
  background:var(--c-brand-soft);white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.chip:hover{background:#D3E7E1;color:var(--c-brand-dark);}
.chip.active{background:var(--c-brand);color:#fff;box-shadow:inset 0 2px 6px rgba(0,0,0,.14);}
.chip.active:hover{background:var(--c-brand-dark);color:#fff;}

.chip-scroll{display:none;padding:0 0 10px;}
.chip-scroll-inner{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:2px 0 4px;}
.chip-scroll-inner::-webkit-scrollbar{display:none;}

.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.site-header.is-scrolled .menu-toggle{border-color:var(--c-line);background:var(--c-brand-soft);}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--nav-fg);border-radius:2px;transition:background .2s ease;}
@media (max-width:991.98px){
  .chip-scroll{display:block;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  box-shadow:none;
}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px;}
.btn-brand{background:var(--c-brand);color:#fff;}
.btn-brand:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#D9431F;color:#fff;transform:translateY(-1px);}
.btn-outline-brand{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-outline-brand:hover{background:var(--c-brand-soft);color:var(--c-brand-dark);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-light-solid{background:#fff;color:var(--c-brand-dark);}
.btn-light-solid:hover{background:var(--c-brand-soft);color:var(--c-brand-dark);}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;color:var(--c-brand);}
.link-arrow i{transition:transform .2s ease;font-size:12px;}
.link-arrow:hover{color:var(--c-accent);}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--c-dark);padding:162px 0 76px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.38;}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(13,27,30,.94) 0%,rgba(10,92,80,.78) 62%,rgba(13,27,30,.86) 100%);}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:18px;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:rgba(255,255,255,.45);}
.crumb a{color:rgba(255,255,255,.8);}
.crumb a:hover{color:var(--c-gold);}
.crumb .current{color:#fff;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(247,179,43,.16);color:var(--c-gold);font-size:13.5px;font-weight:600;margin-bottom:18px;
}
.hero h1{font-size:42px;line-height:1.28;color:#fff;margin-bottom:14px;}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);margin-bottom:26px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- sections ---------- */
section{position:relative;}
.sec{padding:var(--sec-y) 0;}
.sec-surface{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{display:inline-block;font-size:13.5px;font-weight:600;color:var(--c-brand);letter-spacing:.06em;margin-bottom:10px;}
.sec-head h2{font-size:30px;line-height:1.35;margin-bottom:12px;}
.sec-head p{color:var(--c-ink-2);margin-bottom:0;font-size:16px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head-row .sec-head{margin-bottom:0;}

/* ---------- intro ---------- */
.intro-figure{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);}
.intro-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.intro-figure::after{content:"";position:absolute;inset:0;border:1px solid rgba(14,124,107,.28);border-radius:var(--r-img);pointer-events:none;}
.check-list li{position:relative;padding-left:30px;margin-bottom:14px;color:var(--c-ink-2);}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:6px;
  background:var(--c-brand-soft);border:1.5px solid var(--c-brand);
}
.check-list li::after{content:"";position:absolute;left:5px;top:12.5px;width:6px;height:9px;border-right:2px solid var(--c-brand);border-bottom:2px solid var(--c-brand);transform:rotate(40deg);}
.check-list strong{color:var(--c-ink);font-weight:700;}

/* ---------- stats strip ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);}
.stat .stat-ico{width:38px;height:38px;border-radius:11px;background:var(--c-brand-soft);color:var(--c-brand);display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:16px;}
.stat .stat-num{font-size:27px;font-weight:700;color:var(--c-brand);line-height:1.2;margin-bottom:6px;}
.stat p{margin:0;font-size:14px;color:var(--c-ink-2);line-height:1.7;}

/* ---------- note band ---------- */
.note-band{
  background:var(--c-brand-soft);border-left:4px solid var(--c-brand);
  border-radius:0 var(--r-card) var(--r-card) 0;padding:22px 26px;
  font-size:15.5px;color:var(--c-brand-dark);line-height:1.8;
}
.note-band strong{font-weight:700;}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D5DEDA;}
.post-thumb{position:relative;overflow:hidden;}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease;}
.card:hover .post-thumb img{transform:scale(1.03);}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
}
.badge-brand{background:var(--c-brand-soft);color:var(--c-brand);}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent);}
.post-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--c-brand);box-shadow:var(--sh-1);}
.post-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:19px;line-height:1.5;margin-bottom:8px;}
.post-body h3 a{color:var(--c-ink);}
.post-body h3 a:hover{color:var(--c-brand);}
.post-body p{font-size:15px;color:var(--c-ink-2);margin-bottom:16px;flex:1;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--c-ink-3);padding-top:14px;border-top:1px solid var(--c-line);}
.post-meta time{display:inline-flex;align-items:center;gap:7px;}
.post-meta time::before{content:"";width:14px;height:1.5px;background:var(--c-ink-3);border-radius:2px;opacity:.7;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.step{position:relative;padding:0 22px;}
.step:first-child{padding-left:0;}
.step:last-child{padding-right:0;}
.step-idx{
  width:52px;height:52px;border-radius:14px;border:1.5px solid var(--c-brand);
  color:var(--c-brand);display:flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:700;background:var(--c-surface);margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:15px;color:var(--c-ink-2);margin:0;}
.step::after{
  content:"";position:absolute;left:calc(50% + 40px);right:-12px;top:26px;
  border-top:1px dashed #BFD3CE;
}
.step:last-child::after{display:none;}

/* ---------- accordion ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);}
.accordion-button{
  background:transparent;box-shadow:none;padding:22px 46px 22px 0;
  font-size:17.5px;font-weight:700;color:var(--c-ink);line-height:1.6;position:relative;
}
.accordion-button:not(.collapsed){color:var(--c-brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:0;border-radius:0;}
.accordion-button::after{
  content:"";position:absolute;right:4px;top:50%;
  width:16px;height:16px;margin:0;transform:translateY(-50%);
  background:
    linear-gradient(var(--c-brand),var(--c-brand)) center/16px 2px no-repeat,
    linear-gradient(var(--c-brand),var(--c-brand)) center/2px 16px no-repeat;
  transition:transform .22s ease,background .22s ease;
}
.accordion-button:not(.collapsed)::after{
  transform:translateY(-50%) rotate(45deg);
  background:
    linear-gradient(var(--c-accent),var(--c-accent)) center/16px 2px no-repeat,
    linear-gradient(var(--c-accent),var(--c-accent)) center/2px 16px no-repeat;
}
.accordion-body{padding:0 46px 24px 0;font-size:15.8px;color:var(--c-ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-dark);color:#fff;border-radius:var(--r-card);
  padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,124,107,.55),rgba(14,124,107,0) 68%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:27px;line-height:1.4;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.76);margin:0;font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex:none;}

/* ---------- offcanvas ---------- */
.offcanvas.nav-drawer{background:var(--c-dark);color:#fff;width:320px;}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 22px;}
.drawer-title{font-size:16px;font-weight:700;color:#fff;display:inline-flex;align-items:center;gap:10px;}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.8;}
.nav-drawer .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:10px;}
.chip-block{width:100%;justify-content:flex-start;background:rgba(255,255,255,.08);color:#fff;height:46px;border-radius:12px;}
.chip-block:hover{background:rgba(255,255,255,.16);color:#fff;}
.chip-block.active{background:var(--c-brand);color:#fff;box-shadow:none;}
.drawer-note{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.8;margin-top:8px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark-2);color:rgba(255,255,255,.8);padding:70px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand span{font-size:16.5px;font-weight:700;color:#fff;}
.site-footer p{font-size:14.5px;color:rgba(255,255,255,.62);line-height:1.85;margin:0;}
.site-footer h4{font-size:14px;color:#7FD3C3;font-weight:700;letter-spacing:.04em;margin-bottom:16px;}
.site-footer ul li{margin-bottom:11px;font-size:14.5px;}
.site-footer ul li a{color:rgba(255,255,255,.8);display:inline-flex;align-items:center;gap:6px;}
.site-footer ul li a:hover{color:var(--c-accent);transform:translateX(2px);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  :root{--sec-y:64px;}
  .hero{padding:140px 0 62px;}
  .hero h1{font-size:34px;}
  .sec-head h2{font-size:25px;}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .step{padding:0 16px;}
  .step:nth-child(2n)::after{display:none;}
  .step::after{left:calc(50% + 34px);right:-8px;top:26px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  :root{--sec-y:48px;}
  body{font-size:16px;}
  .hero{padding:126px 0 52px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .grid-3,.grid-2{grid-template-columns:1fr;gap:16px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:16px;}
  .steps{grid-template-columns:1fr;gap:0;}
  .step{padding:0 0 28px 30px;border-left:1.5px dashed #BFD3CE;}
  .step:last-child{border-left-color:transparent;padding-bottom:0;}
  .step-idx{margin-left:-30px;width:46px;height:46px;font-size:19px;}
  .step::after{display:none;}
  .post-body{padding:20px;}
  .sec-head h2{font-size:22px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .accordion-button{font-size:16px;padding-right:40px;}
  .accordion-body{padding-right:16px;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .stats{grid-template-columns:1fr;}
  .brand-text{font-size:16px;}
}

/* roulang page: category4 */
:root{
  --c-brand:#0E7C6B;
  --c-brand-dark:#0A5C50;
  --c-brand-soft:#E6F2EF;
  --c-accent:#F2542D;
  --c-accent-soft:#FDECE7;
  --c-gold:#F7B32B;
  --c-ink:#12212A;
  --c-ink-2:#5B6B72;
  --c-ink-3:#8A989C;
  --c-bg:#F8F7F4;
  --c-surface:#FFFFFF;
  --c-dark:#0D1B1E;
  --c-dark-2:#10201F;
  --c-line:#E4E8E6;
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,33,42,.06),0 2px 8px rgba(18,33,42,.04);
  --sh-2:0 8px 24px rgba(18,33,42,.10);
  --sec-desktop:88px;
  --sec-tablet:64px;
  --sec-mobile:48px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-family:"Inter",ui-sans-serif,var(--font-cn);}
::selection{background:var(--c-brand-soft);color:var(--c-brand-dark);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){.container{max-width:1240px;}}

/* ---------- 顶部信息带 ---------- */
.topbar{
  background:var(--c-dark);
  color:rgba(255,255,255,.78);
  font-size:13.5px;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1035;
  transition:background-color .2s ease,box-shadow .2s ease;
}
.navbar-main{transition:background-color .2s ease;}
.navbar-main .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:32px;height:32px;border-radius:8px;flex:0 0 auto;}
.brand-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
  color:#fff;
  white-space:nowrap;
}
.chip-nav{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.chip-nav::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--c-brand-soft);
  color:var(--c-ink);
  font-size:15px;
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{background:#D6E9E4;color:var(--c-brand-dark);}
.chip.active{
  background:var(--c-brand);
  color:#fff;
  box-shadow:inset 0 2px 6px rgba(0,0,0,.16);
}
.site-header.scrolled{background:var(--c-surface);box-shadow:var(--sh-1);}
.site-header.scrolled .brand-text{color:var(--c-ink);}
.site-header.scrolled .topbar{display:none !important;}
.site-header:not(.scrolled) .topbar{background:rgba(13,27,30,.86);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:16px;
  font-weight:600;
  line-height:1;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(14,124,107,.28);
  outline-offset:2px;
}
.btn-brand{background:var(--c-brand);color:#fff;}
.btn-brand:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{border-color:var(--c-brand);color:var(--c-brand);background:transparent;}
.btn-ghost:hover{background:var(--c-brand-soft);color:var(--c-brand-dark);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#D8411D;color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:15px;}
.btn-light-outline{border-color:rgba(255,255,255,.65);color:#fff;background:transparent;}
.btn-light-outline:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-brand);}
.link-arrow::after{content:"→";transition:transform .2s ease;}
.link-arrow:hover{color:var(--c-accent);}
.link-arrow:hover::after{transform:translateX(3px);}

.menu-toggle{
  width:44px;height:44px;
  border:1px solid rgba(255,255,255,.35);
  border-radius:12px;
  background:transparent;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  padding:0;
}
.menu-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:background-color .2s ease;}
.site-header.scrolled .menu-toggle{border-color:var(--c-line);}
.site-header.scrolled .menu-toggle span{background:var(--c-ink);}

/* ---------- 抽屉 ---------- */
.drawer{background:var(--c-surface);max-width:320px;}
.drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px;}
.drawer-title{font-weight:700;font-size:17px;color:var(--c-ink);}
.drawer .btn-close{opacity:.55;}
.drawer .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:10px;}
.drawer .chip{width:100%;justify-content:flex-start;height:46px;}
.drawer-cta{margin-top:12px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-desktop) 0;}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;
  color:var(--c-brand);
  background:var(--c-brand-soft);
  border-radius:var(--r-pill);
  padding:0 14px;height:28px;
  margin-bottom:14px;
}
h1{font-size:42px;line-height:1.28;letter-spacing:-.01em;}
h2{font-size:30px;line-height:1.34;}
h3{font-size:21px;line-height:1.5;}
.lead{font-size:17px;color:var(--c-ink-2);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:linear-gradient(102deg,rgba(13,27,30,.90) 0%,rgba(13,27,30,.72) 58%,rgba(10,92,80,.72) 100%),url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
  color:#fff;
  padding:150px 0 88px;
  overflow:hidden;
}
.hero h1{color:#fff;max-width:620px;}
.hero .kicker{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  color:#fff;font-size:13.5px;font-weight:600;
  margin-bottom:18px;
}
.hero-sub{color:rgba(255,255,255,.86);font-size:17px;margin:16px 0 28px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-figure{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.28);
  box-shadow:0 18px 40px rgba(0,0,0,.30);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.crumbs{margin-bottom:20px;font-size:13.5px;color:rgba(255,255,255,.66);}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumbs li::after{content:"›";margin-left:8px;color:rgba(255,255,255,.42);}
.crumbs li:last-child::after{content:"";}
.crumbs a{color:rgba(255,255,255,.78);}
.crumbs a:hover{color:#fff;}
.crumbs .current{color:#fff;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:56px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.18);
}
.stat-strip .stat-num{font-size:26px;font-weight:700;color:var(--c-gold);line-height:1.2;}
.stat-strip .stat-label{font-size:13.5px;color:rgba(255,255,255,.72);}

/* ---------- 简介两栏 ---------- */
.intro-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);}
.intro-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.point-list li{position:relative;padding-left:22px;margin-bottom:12px;color:var(--c-ink-2);}
.point-list li::before{
  content:"";position:absolute;left:0;top:12px;
  width:8px;height:8px;border-radius:2px;background:var(--c-brand);
}
.point-list li strong{color:var(--c-ink);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:24px;
  height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card h3{font-size:19px;margin-bottom:8px;}
.card p{color:var(--c-ink-2);font-size:15.5px;}
.benefit-card .icon{
  width:46px;height:46px;border-radius:12px;
  background:var(--c-brand-soft);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.benefit-card h3{font-size:18px;}
.benefit-card p{font-size:15px;margin-bottom:0;}

/* ---------- 内容卡片 ---------- */
.post-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.post-card .cover{position:relative;overflow:hidden;}
.post-card .cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .24s ease;}
.post-card:hover .cover img{transform:scale(1.03);}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;
  background:var(--c-brand-soft);color:var(--c-brand);margin-bottom:12px;
}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent);}
.post-card h3{font-size:17.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;}
.post-card h3 a{color:var(--c-ink);}
.post-card h3 a:hover{color:var(--c-brand);}
.post-card .excerpt{
  color:var(--c-ink-2);font-size:15px;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--c-ink-3);
}
.post-card .meta time::before{content:"◷";margin-right:6px;color:var(--c-ink-3);}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.flow-step{position:relative;padding-top:8px;}
.flow-step .step-num{
  width:52px;height:52px;border-radius:12px;
  border:1.5px solid var(--c-brand);
  background:var(--c-surface);
  color:var(--c-brand);font-weight:700;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:18px;margin-bottom:6px;}
.flow-step p{font-size:15px;color:var(--c-ink-2);margin-bottom:0;}
.flow-step::after{
  content:"";position:absolute;top:34px;left:64px;right:-12px;
  border-top:1px dashed var(--c-line);
}
.flow-step:last-child::after{display:none;}

/* ---------- 提示带 ---------- */
.notice{
  background:var(--c-brand-soft);
  border-left:4px solid var(--c-brand);
  border-radius:0 var(--r-card) var(--r-card) 0;
  padding:22px 26px;
  color:var(--c-ink);
}
.notice strong{color:var(--c-brand-dark);}
.notice p{margin-bottom:0;font-size:15.5px;}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--c-line);
}
.faq .accordion-button{
  background:transparent;
  box-shadow:none;
  color:var(--c-ink);
  font-size:18px;
  font-weight:600;
  padding:24px 44px 24px 0;
  line-height:1.5;
  display:flex;
  align-items:center;
  justify-content:flex-start;
}
.faq .accordion-button:not(.collapsed){color:var(--c-brand);}
.faq .accordion-button::after{
  content:"";
  position:absolute;
  right:6px;
  width:16px;height:16px;
  background:
    linear-gradient(var(--c-ink-3),var(--c-ink-3)) center/16px 2px no-repeat,
    linear-gradient(var(--c-ink-3),var(--c-ink-3)) center/2px 16px no-repeat;
  transition:transform .22s ease,background .22s ease;
  transform:rotate(0deg);
}
.faq .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background:
    linear-gradient(var(--c-accent),var(--c-accent)) center/16px 2px no-repeat,
    linear-gradient(var(--c-accent),var(--c-accent)) center/2px 16px no-repeat;
}
.faq .accordion-body{padding:0 44px 26px 0;color:var(--c-ink-2);font-size:16px;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--c-dark) 0%,var(--c-dark-2) 55%,rgba(14,124,107,.55) 100%);
  color:#fff;
  padding:56px 0;
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.78);margin-bottom:0;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark-2);color:rgba(255,255,255,.82);padding:64px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer h4{font-size:14px;color:#8FD6C8;letter-spacing:.02em;margin-bottom:16px;font-weight:600;}
.site-footer ul li{margin-bottom:10px;}
.site-footer a{color:rgba(255,255,255,.8);}
.site-footer a:hover{color:var(--c-accent);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:18px;font-weight:700;color:#fff;}
.footer-brand .brand-mark{width:30px;height:30px;}
.site-footer .brand-col p{color:rgba(255,255,255,.66);font-size:14.5px;max-width:320px;}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  h1{font-size:36px;}
  h2{font-size:26px;}
  .section{padding:var(--sec-tablet) 0;}
  .hero{padding:132px 0 72px;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-step:nth-child(2)::after{display:none;}
}
@media (max-width:991.98px){
  .hero-figure{margin-top:36px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px;}
  .cta-actions{justify-content:flex-start;margin-top:20px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:var(--sec-mobile) 0;}
  .hero{padding:118px 0 56px;}
  .hero .btn,.cta-band .btn{width:100%;}
  .hero-actions .btn{flex:1 1 100%;}
  .flow{grid-template-columns:1fr;}
  .flow-step{padding-left:26px;}
  .flow-step::after{
    display:block;
    top:60px;bottom:-24px;left:26px;right:auto;
    border-top:0;border-left:1px dashed var(--c-line);
  }
  .flow-step:last-child::after{display:none;}
  .flow-step .step-num{width:46px;height:46px;font-size:18px;}
  .card{padding:20px;}
  .faq .accordion-button{font-size:16.5px;padding:20px 38px 20px 0;}
  .faq .accordion-body{padding:0 22px 22px 0;font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .crumbs li:not(:last-child):not(:nth-last-child(2)){display:none;}
}
@media (max-width:480px){
  h1{font-size:26px;}
  .hero-figure{display:none;}
  .cta-band h2{font-size:20px;}
}

/* roulang page: category5 */
:root{
  --c-brand:#0E7C6B;
  --c-brand-dark:#0A5C50;
  --c-brand-soft:#E6F2EF;
  --c-accent:#F2542D;
  --c-accent-dark:#D8401D;
  --c-accent-soft:#FDECE7;
  --c-gold:#F7B32B;
  --c-ink:#12212A;
  --c-ink-2:#5B6B72;
  --c-ink-3:#8A989C;
  --c-bg:#F8F7F4;
  --c-surface:#FFFFFF;
  --c-dark:#0D1B1E;
  --c-dark-2:#10201F;
  --c-line:#E4E8E6;
  --sh-1:0 1px 2px rgba(18,33,42,.06),0 2px 8px rgba(18,33,42,.04);
  --sh-2:0 8px 24px rgba(18,33,42,.10);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --sec-y:88px;
  --maxw:1200px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
h1{font-size:42px;font-weight:700;line-height:1.28}
h2{font-size:30px;font-weight:700;line-height:1.34}
h3{font-size:21px;font-weight:600;line-height:1.45}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(14,124,107,.28);outline-offset:2px;border-radius:6px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

.container,.container-lg,.container-fluid{
  width:100%;
  max-width:var(--maxw) !important;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  line-height:1;
  border:1.5px solid transparent;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:focus,.btn:active{box-shadow:none}
.btn:focus-visible{outline:3px solid rgba(14,124,107,.28);outline-offset:2px}
.btn-accent{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-dark);border-color:var(--c-accent-dark);color:#fff;transform:translateY(-1px)}
.btn-brand{background:var(--c-brand);border-color:var(--c-brand);color:#fff}
.btn-brand:hover{background:var(--c-brand-dark);border-color:var(--c-brand-dark);color:#fff;transform:translateY(-1px)}
.btn-outline-brand{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline-brand:hover{background:var(--c-brand-soft);color:var(--c-brand-dark);border-color:var(--c-brand-dark)}
.btn-ghost-light{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);border-color:#fff;color:#fff;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px}
.btn-block{width:100%}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-brand);
}
.link-more .arrow{transition:transform .2s ease;display:inline-block}
.link-more:hover{color:var(--c-accent)}
.link-more:hover .arrow{transform:translateX(3px)}

/* ============ 徽章 / 标签 ============ */
.badge-brand,.badge-accent{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  line-height:1;
}
.badge-brand{background:var(--c-brand-soft);color:var(--c-brand)}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent)}
.eyebrow{
  display:inline-block;
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-brand);
  margin-bottom:12px;
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--c-dark);
  color:rgba(255,255,255,.72);
  font-size:13px;
  height:36px;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  transition:background-color .2s ease,box-shadow .2s ease;
}
.navbar-main{
  background:transparent;
  padding:10px 0;
  transition:background-color .2s ease,box-shadow .2s ease;
}
.site-header.scrolled .navbar-main{
  background:var(--c-surface);
  box-shadow:var(--sh-1);
}
.navbar-main .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{width:32px;height:32px;display:block;flex:0 0 32px}
.brand-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
  color:#fff;
  transition:color .2s ease;
  white-space:nowrap;
}
.site-header.scrolled .brand-text{color:var(--c-ink)}
.chip-nav{
  display:flex;
  align-items:center;
  gap:8px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  background:rgba(255,255,255,.12);
  color:rgba(255,255,255,.92);
  transition:background-color .2s ease,color .2s ease;
}
.chip:hover{background:rgba(255,255,255,.24);color:#fff}
.chip.active{
  background:var(--c-brand);
  color:#fff;
  box-shadow:inset 0 1px 3px rgba(0,0,0,.18);
}
.site-header.scrolled .chip{background:var(--c-brand-soft);color:var(--c-ink)}
.site-header.scrolled .chip:hover{background:#D5E9E4;color:var(--c-brand-dark)}
.site-header.scrolled .chip.active{background:var(--c-brand);color:#fff}
.chip-scroll{
  display:none;
  padding:0 0 10px;
}
.chip-scroll .chip-nav{
  overflow-x:auto;
  padding:2px 16px 6px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.chip-scroll .chip-nav::-webkit-scrollbar{display:none}
.chip-scroll .chip{height:34px;padding:0 15px;font-size:14px}
.menu-toggle{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.10);
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}
.menu-toggle span{
  display:block;
  width:18px;height:2px;
  background:#fff;
  border-radius:2px;
  transition:background-color .2s ease;
}
.site-header.scrolled .menu-toggle{border-color:var(--c-line);background:var(--c-brand-soft)}
.site-header.scrolled .menu-toggle span{background:var(--c-ink)}
.menu-toggle:hover{background:rgba(255,255,255,.2)}

/* 抽屉 */
.nav-drawer{background:var(--c-surface);width:320px;max-width:88vw;border:none}
.nav-drawer .offcanvas-header{
  padding:18px 20px;
  border-bottom:1px solid var(--c-line);
  background:var(--c-dark);
}
.drawer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px}
.drawer-close{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.35);
  background:transparent;
  color:#fff;
  font-size:20px;
  line-height:1;
  cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.15)}
.nav-drawer .offcanvas-body{padding:20px}
.drawer-links{display:flex;flex-direction:column;gap:8px}
.drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:48px;
  padding:0 16px;
  border-radius:12px;
  background:var(--c-brand-soft);
  color:var(--c-ink);
  font-weight:600;
  font-size:15.5px;
}
.drawer-links a:hover{background:#D5E9E4;color:var(--c-brand-dark)}
.drawer-links a.active{background:var(--c-brand);color:#fff}
.drawer-note{margin-top:20px;font-size:13.5px;color:var(--c-ink-3);line-height:1.7}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  padding:176px 0 104px;
  background-image:linear-gradient(100deg,rgba(13,27,30,.90) 0%,rgba(13,27,30,.72) 52%,rgba(14,124,107,.62) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.cat-hero h1{
  color:#fff;
  margin:16px 0 14px;
  max-width:820px;
}
.cat-hero .hero-sub{
  color:rgba(255,255,255,.86);
  font-size:17px;
  max-width:640px;
  margin:0 0 28px;
}
.breadcrumb-list{
  display:flex;
  align-items:center;
  gap:8px;
  list-style:none;
  font-size:13.5px;
  color:rgba(255,255,255,.66);
  margin-bottom:4px;
}
.breadcrumb-list a{color:rgba(255,255,255,.8)}
.breadcrumb-list a:hover{color:var(--c-gold)}
.breadcrumb-list .sep{color:rgba(255,255,255,.4)}
.breadcrumb-list .current{color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.cat-hero .badge-brand{background:rgba(255,255,255,.16);color:#fff}

/* ============ 数据条 ============ */
.statbar-wrap{margin-top:-56px;position:relative;z-index:2}
.statbar{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.stat-item{
  padding:26px 24px;
  display:flex;
  align-items:center;
  gap:14px;
  border-right:1px solid var(--c-line);
}
.stat-item:last-child{border-right:none}
.stat-ico{
  width:44px;height:44px;
  flex:0 0 44px;
  border-radius:12px;
  background:var(--c-brand-soft);
  display:flex;align-items:center;justify-content:center;
}
.stat-ico svg{width:22px;height:22px;stroke:var(--c-brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.stat-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:24px;
  font-weight:700;
  color:var(--c-ink);
  line-height:1.2;
}
.stat-label{font-size:13.5px;color:var(--c-ink-3);line-height:1.5}

/* ============ 通用板块 ============ */
.sec{padding:var(--sec-y) 0}
.sec-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head p{color:var(--c-ink-2);margin-top:12px}
.sec-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:40px;
}
.sec-head-row .sec-head{margin-bottom:0}

/* 简介区 */
.intro-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  background:var(--c-brand-soft);
}
.intro-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.intro-lead{color:var(--c-ink-2);margin-top:14px}
.check-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin:22px 0 28px}
.check-list li{
  position:relative;
  padding-left:26px;
  color:var(--c-ink-2);
  font-size:16px;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--c-brand);
}
.check-list li strong{color:var(--c-ink);font-weight:600}

/* 问题卡片 */
.q-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.q-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.q-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.q-card-cover{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-soft)}
.q-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.q-card:hover .q-card-cover img{transform:scale(1.03)}
.q-card-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  gap:8px;
}
.q-card-body h3{font-size:19px;margin-top:2px}
.q-card-body h3 a{color:var(--c-ink)}
.q-card-body h3 a:hover{color:var(--c-brand)}
.q-card-body p{color:var(--c-ink-2);font-size:15.5px;line-height:1.75;margin:0}
.q-card-foot{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  border-top:1px solid var(--c-line);
  font-size:13.5px;
  color:var(--c-ink-3);
}
.q-card-foot time{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.q-card-foot time::before{
  content:"";
  width:12px;height:12px;
  border-radius:3px;
  border:1.5px solid var(--c-ink-3);
  opacity:.7;
}

/* 提示带 */
.notice-band{
  background:var(--c-brand-soft);
  border-left:4px solid var(--c-brand);
}
.notice-band .container{
  padding-top:20px;
  padding-bottom:20px;
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.notice-band p{
  margin:0;
  color:var(--c-brand-dark);
  font-size:15.5px;
}
.notice-band strong{font-weight:700}

/* 流程 */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step{position:relative}
.step-num{
  width:56px;height:56px;
  border-radius:14px;
  border:2px solid var(--c-brand);
  background:var(--c-surface);
  color:var(--c-brand);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:22px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--c-ink-2);font-size:15.5px;line-height:1.75;margin:0}
.step::after{
  content:"";
  position:absolute;
  top:28px;
  right:-24px;
  width:24px;
  border-top:1px dashed var(--c-line);
}
.step:last-child::after{display:none}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--c-line);
}
.accordion-item:first-child{border-top:1px solid var(--c-line)}
.accordion-button{
  background:transparent;
  color:var(--c-ink);
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  padding:22px 0;
  border-radius:0 !important;
  box-shadow:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.accordion-button:not(.collapsed),
.accordion-button:hover{background:transparent;color:var(--c-brand)}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{display:none}
.plus{
  position:relative;
  width:22px;height:22px;
  flex:0 0 22px;
  transition:transform .2s ease;
}
.plus::before,.plus::after{
  content:"";
  position:absolute;
  background:var(--c-ink-2);
  border-radius:2px;
  transition:background-color .2s ease;
}
.plus::before{left:0;top:10px;width:22px;height:2px}
.plus::after{left:10px;top:0;width:2px;height:22px}
.accordion-button:not(.collapsed) .plus{transform:rotate(45deg)}
.accordion-button:not(.collapsed) .plus::before,
.accordion-button:not(.collapsed) .plus::after{background:var(--c-accent)}
.accordion-body{
  padding:0 0 24px;
  color:var(--c-ink-2);
  font-size:16px;
  line-height:1.85;
  max-width:720px;
}
.accordion-body p{margin-bottom:.8em}

/* CTA 条 */
.cta-band{
  background-color:var(--c-dark);
  background-image:linear-gradient(115deg,rgba(14,124,107,.28) 0%,rgba(13,27,30,0) 58%);
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:28px}
.cta-inner p{color:rgba(255,255,255,.76);margin:10px 0 0;max-width:620px;font-size:16px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{
  background:var(--c-dark-2);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:700;
  font-size:18px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:32px;height:32px}
.site-footer p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.68);margin:0}
.site-footer h4{
  font-size:14px;
  font-weight:600;
  color:#8FD3C6;
  letter-spacing:.04em;
  margin:0 0 16px;
}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.site-footer ul li{font-size:14.5px;color:rgba(255,255,255,.68)}
.site-footer ul a{color:rgba(255,255,255,.8);font-size:14.5px}
.site-footer ul a:hover{color:var(--c-accent)}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(255,255,255,.58);
}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .container{max-width:1200px !important}
}
@media (max-width:1199px){
  .q-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  h1{font-size:34px}
  h2{font-size:25px}
  .cat-hero{padding:150px 0 88px}
  .statbar{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--c-line)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2)::after{display:none}
  .step::after{right:-24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .chip-scroll{display:block}
  :root{--sec-y:64px}
}
@media (max-width:767px){
  body{font-size:16px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:18px}
  .container{padding-left:16px;padding-right:16px}
  .cat-hero{padding:166px 0 72px}
  .cat-hero .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  :root{--sec-y:48px}
  .q-grid{grid-template-columns:1fr}
  .statbar{grid-template-columns:1fr}
  .stat-item{border-right:none !important;border-bottom:1px solid var(--c-line)}
  .stat-item:last-child{border-bottom:none}
  .steps{grid-template-columns:1fr;gap:0}
  .step{display:flex;gap:16px;padding-bottom:28px;position:relative}
  .step:last-child{padding-bottom:0}
  .step-num{margin-bottom:0;width:48px;height:48px;font-size:19px;flex:0 0 48px}
  .step::after{display:none !important}
  .step::before{
    content:"";
    position:absolute;
    left:23px;
    top:52px;
    bottom:0;
    border-left:1px dashed var(--c-line);
  }
  .step:last-child::before{display:none}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .q-card-foot{flex-wrap:wrap}
}
@media (max-width:480px){
  .cat-hero{padding-top:158px}
  .stat-item{padding:20px 18px}
  .q-card-body{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:17px}
  .topbar{display:none !important}
}