/* roulang page: index */
:root{
  --c-primary:#0E6E63;
  --c-primary-600:#0A564D;
  --c-primary-050:#E5F2EF;
  --c-accent:#FF6B2C;
  --c-accent-050:#FFF0E8;
  --c-ink:#0B1F1C;
  --c-ink-2:#2E4642;
  --c-muted:#6B807B;
  --c-bg:#F4F7F6;
  --c-bg-alt:#EAF2F0;
  --c-line:#DCE7E4;
  --c-dark:#07211D;
  --grad-brand:linear-gradient(118deg,#0E6E63 0%,#14907F 48%,#FF6B2C 118%);
  --sh-1:0 2px 8px rgba(7,33,29,.05);
  --sh-2:0 10px 28px rgba(7,33,29,.09);
  --sh-3:0 18px 48px rgba(7,33,29,.14);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
a:hover{color:var(--c-primary-600)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
h1{font-size:40px;line-height:1.25;font-weight:800;color:var(--c-ink);letter-spacing:-.5px}
h2{font-size:28px;line-height:1.35;font-weight:800;color:var(--c-ink)}
h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--c-ink)}
h4{font-size:17px;line-height:1.5;font-weight:700;color:var(--c-ink)}
p{font-size:16px;line-height:1.8}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--c-bg-alt)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section__eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
.section__eyebrow::before{content:"";width:22px;height:2px;background:var(--grad-brand);border-radius:2px}
.section__desc{max-width:640px;color:var(--c-muted);font-size:15px;margin-top:12px}
.section__more{font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.section__more i{transition:transform var(--ease)}
.section__more:hover i{transform:translateX(4px)}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;font-size:15px;font-weight:700;border-radius:var(--r-pill);white-space:nowrap;border:1px solid transparent;transition:all var(--ease)}
.btn--primary{background-image:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line)}
.btn--ghost:hover{color:var(--c-primary-600);border-color:var(--c-primary);background:var(--c-primary-050)}
.btn--dark-ghost{background:transparent;color:#E8F3F1;border-color:rgba(255,255,255,.28)}
.btn--dark-ghost:hover{color:#fff;border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.08)}
.btn--sm{height:36px;padding:0 16px;font-size:14px}
.btn--block{width:100%}

.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;line-height:1}
.badge--soft{background:var(--c-primary-050);color:var(--c-primary-600)}
.badge--live{background:var(--c-accent);color:#fff}
.badge--grad{background:#fff;color:var(--c-primary-600);border:1px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad-brand);background-origin:border-box;background-clip:padding-box,border-box}
.dot-pulse{width:6px;height:6px;border-radius:50%;background:#fff;position:relative}
.dot-pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid rgba(255,255,255,.7);animation:pulse 1.8s infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:.9}70%{transform:scale(1.4);opacity:0}100%{opacity:0}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--ease)}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.brand-row{border-bottom:1px solid transparent}
.brand-row__inner{display:flex;align-items:center;gap:24px;height:96px;transition:height var(--ease)}
.is-stuck .brand-row__inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.logo__mark{width:42px;height:42px;border-radius:13px;background-image:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:var(--sh-1);flex-shrink:0;transition:width var(--ease),height var(--ease)}
.is-stuck .logo__mark{width:36px;height:36px;border-radius:11px;font-size:16px}
.logo__text{display:flex;flex-direction:column;line-height:1.2}
.logo__name{font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:-.2px}
.logo__sub{font-size:12px;color:var(--c-muted);letter-spacing:.16em}
.is-stuck .logo__sub{display:none}
.brand-search{flex:1;max-width:420px;position:relative}
.brand-search input{width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-bg-alt);padding:0 46px 0 18px;font-size:14px;color:var(--c-ink);transition:all var(--ease)}
.brand-search input::placeholder{color:var(--c-muted)}
.brand-search input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(14,110,99,.1)}
.brand-search button{position:absolute;right:6px;top:6px;width:32px;height:32px;border-radius:50%;background:var(--c-primary-050);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:13px}
.brand-search button:hover{background:var(--c-primary);color:#fff}
.brand-row__actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}
.icon-btn{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);display:none;align-items:center;justify-content:center;font-size:16px}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}

.search-drawer{display:none;padding:0 24px 16px;background:#fff}
.search-drawer.is-open{display:block}
.search-drawer .brand-search{max-width:none}

.channel-row{border-top:1px solid var(--c-line);background:#fff}
.channel-row__inner{display:flex;align-items:center;gap:20px;height:56px;transition:height var(--ease)}
.is-stuck .channel-row__inner{height:48px}
.channel-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;flex-shrink:0}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;position:relative}
.channel-list a:hover{color:var(--c-primary);background:var(--c-primary-050)}
.channel-list a.is-active{color:var(--c-primary);background:var(--c-primary-050)}
.channel-list a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-11px;height:3px;border-radius:3px;background:var(--grad-brand)}
.hot-tags{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;transition:opacity var(--ease),max-height var(--ease)}
.hot-tags::-webkit-scrollbar{display:none}
.is-stuck .hot-tags{opacity:0;max-height:0;overflow:hidden;pointer-events:none}
.hot-tags span{font-size:12px;color:var(--c-muted);white-space:nowrap}
.hot-tags a{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-bg-alt);border:1px solid var(--c-line);font-size:12px;color:var(--c-ink-2);white-space:nowrap}
.hot-tags a:hover{background:var(--c-accent-050);border-color:var(--c-accent);color:#C24A16}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 72px;background:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;top:-180px;right:-160px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(14,110,99,.12),rgba(14,110,99,0) 68%);pointer-events:none}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero__tagline{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--c-primary-050);color:var(--c-primary-600);font-size:13px;font-weight:700;margin-bottom:20px}
.hero h1{margin-bottom:18px}
.hero__lead{font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:560px;margin-bottom:28px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero__stats{display:flex;gap:32px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--c-line)}
.hero__stat strong{display:block;font-size:26px;font-weight:800;color:var(--c-ink);font-variant-numeric:tabular-nums;line-height:1.2}
.hero__stat span{font-size:13px;color:var(--c-muted)}

.live-card{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);background:var(--c-dark);border:1px solid var(--c-line)}
.live-card__media{position:relative;aspect-ratio:16/9;overflow:hidden}
.live-card__media img{width:100%;height:100%;object-fit:cover}
.live-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,33,29,.05) 0%,rgba(7,33,29,.55) 100%)}
.live-card__live{position:absolute;top:16px;left:16px;z-index:2}
.live-card__caption{position:absolute;left:20px;right:20px;bottom:16px;z-index:2;color:#fff}
.live-card__caption h3{color:#fff;font-size:18px;margin-bottom:4px}
.live-card__caption p{font-size:13px;color:rgba(255,255,255,.82);margin:0}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:16px 20px 20px;background:var(--c-dark)}
.countdown__cell{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-sm);padding:10px 4px;text-align:center}
.countdown__num{display:block;font-size:28px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.15}
.countdown__label{display:block;font-size:12px;color:rgba(255,255,255,.62);margin-top:2px}

/* ---------- 看点列表 ---------- */
.highlight-list{margin-top:8px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);background:#fff}
.highlight-item{display:flex;gap:16px;padding:18px 20px;border-bottom:1px solid var(--c-line);transition:background-color var(--ease)}
.highlight-item:last-child{border-bottom:0}
.highlight-item:hover{background:var(--c-primary-050)}
.highlight-item__idx{width:30px;height:30px;flex-shrink:0;border-radius:50%;border:1.5px solid var(--c-primary);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;background:#fff}
.highlight-item.is-current .highlight-item__idx{background-image:var(--grad-brand);border-color:transparent;color:#fff}
.highlight-item h4{margin-bottom:2px}
.highlight-item p{font-size:14px;color:var(--c-muted);margin:0}

/* ---------- 订阅条 ---------- */
.subscribe{background:var(--c-dark);padding:44px 0;color:#DCEAE7}
.subscribe__grid{display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.subscribe__text{flex:1;min-width:260px}
.subscribe__text h3{color:#fff;margin-bottom:6px}
.subscribe__text p{font-size:14px;color:rgba(255,255,255,.68);margin:0;max-width:520px}
.subscribe__form{display:flex;gap:12px;flex:0 1 440px;min-width:280px}
.subscribe__form input{flex:1;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:all var(--ease)}
.subscribe__form input::placeholder{color:rgba(255,255,255,.5)}
.subscribe__form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(20,144,127,.28)}
.subscribe__hint{width:100%;font-size:13px;color:rgba(255,255,255,.55);margin-top:14px}

/* ---------- 卡片 ---------- */
.grid-cards{display:grid;gap:24px;grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);display:flex;flex-direction:column;height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE0DC}
.card__cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt)}
.card__cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.card:hover .card__cover img{transform:scale(1.03)}
.card__duration{position:absolute;right:10px;bottom:10px;background:rgba(7,33,29,.72);color:#fff;font-size:12px;padding:3px 10px;border-radius:var(--r-pill);font-variant-numeric:tabular-nums}
.card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.card__title{font-size:18px;line-height:1.5;font-weight:700;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__title a{color:inherit}
.card__title a:hover{color:var(--c-primary)}
.card__desc{font-size:14px;color:var(--c-muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.card__foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:700}

.replay-card .card__cover{aspect-ratio:4/3}

/* 空态 */
.empty-state{background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);padding:48px 24px;text-align:center;max-height:240px}
.empty-state i{font-size:28px;color:var(--c-primary);margin-bottom:12px;display:block}
.empty-state p{color:var(--c-muted);font-size:15px;margin:0 0 16px}

/* ---------- 分类宫格 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cat-card{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px 22px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);display:flex;flex-direction:column;gap:12px;height:100%}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-primary)}
.cat-card__no{font-size:13px;font-weight:800;color:var(--c-primary);letter-spacing:.14em}
.cat-card__icon{width:44px;height:44px;border-radius:var(--r-md);background:var(--c-primary-050);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:18px}
.cat-card:hover .cat-card__icon{background-image:var(--grad-brand);color:#fff}
.cat-card h3{font-size:18px}
.cat-card p{font-size:14px;color:var(--c-muted);margin:0}
.cat-card__corner{position:absolute;top:20px;right:20px}
.cat-card__link{margin-top:auto;font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px}

/* ---------- 证据区 ---------- */
.evidence{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.evidence__media{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--sh-2)}
.evidence__media img{width:100%;height:100%;object-fit:cover}
.evidence__stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.evidence__stat{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px}
.evidence__stat strong{display:block;font-size:24px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.evidence__stat span{font-size:13px;color:var(--c-muted)}

/* ---------- FAQ ---------- */
.accordion{border:0;background:transparent}
.accordion-item{border:1px solid var(--c-line);border-radius:var(--r-md)!important;background:#fff;margin-bottom:8px;overflow:hidden;box-shadow:none}
.accordion-title{border:0;padding:18px 56px 18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);background:#fff;position:relative;transition:background-color var(--ease)}
.accordion-title:hover{background:var(--c-primary-050);color:var(--c-primary-600)}
.accordion-title::before{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--c-primary);position:absolute;right:22px;top:50%;transform:translateY(-50%);transition:transform var(--ease)}
.accordion-item.is-active .accordion-title::before{content:"\f068"}
.accordion-item.is-active .accordion-title{background:var(--c-primary-050);color:var(--c-primary-600)}
.accordion-content{border:0;background:#fff;padding:0 22px 20px;font-size:16px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:56px 0}
.cta-band h2{font-size:26px;margin-bottom:8px}
.cta-band p{color:var(--c-muted);margin:0;font-size:15px}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo__name{color:#fff}
.footer-brand .logo__sub{color:rgba(255,255,255,.45)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:16px 0 20px;max-width:320px}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45)}

/* ---------- 面包屑 / 标签 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.current{color:var(--c-primary);font-weight:700}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-primary-050);color:var(--c-primary-600);font-size:13px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero{padding:40px 0 56px}
  .evidence{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .brand-search{display:none}
  .brand-search--drawer{display:block}
  .icon-btn{display:inline-flex}
  .hot-tags{display:none}
  .channel-row__inner{height:48px}
  .brand-row__inner{height:56px}
}
@media (max-width:767px){
  h1{font-size:28px}
  h2{font-size:22px}
  .section{padding:48px 0}
  .container{padding:0 16px}
  .grid-cards{grid-template-columns:1fr}
  .hero__cta .btn{flex:1}
  .countdown{grid-template-columns:repeat(2,1fr)}
  .countdown__num{font-size:32px}
  .cta-band__inner{padding:40px 0;flex-direction:column;align-items:flex-start}
  .subscribe__form{flex:1 1 100%}
  .subscribe__form .btn{width:100%}
  .subscribe__form{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .logo__name{font-size:16px}
}
@media (max-width:519px){
  .cat-grid{grid-template-columns:1fr}
  .hero__stats{gap:20px}
  .section__head{flex-direction:column;align-items:flex-start}
}

.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* roulang page: article */
:root{
  --c-primary:#0E6E63;
  --c-primary-600:#0A564D;
  --c-primary-050:#E5F2EF;
  --c-accent:#FF6B2C;
  --c-accent-050:#FFF0E8;
  --c-ink:#0B1F1C;
  --c-ink-2:#2E4642;
  --c-muted:#6B807B;
  --c-bg:#F4F7F6;
  --c-bg-alt:#EAF2F0;
  --c-line:#DCE7E4;
  --c-dark:#07211D;
  --grad-brand:linear-gradient(118deg,#0E6E63 0%,#14907F 48%,#FF6B2C 118%);
  --sh-1:0 2px 8px rgba(7,33,29,.05);
  --sh-2:0 10px 28px rgba(7,33,29,.09);
  --sh-3:0 18px 48px rgba(7,33,29,.14);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --t:.22s cubic-bezier(.4,0,.2,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),opacity var(--t)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{color:var(--c-ink);margin:0;line-height:1.35;font-weight:700}
p{margin:0 0 16px}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
.grid-margin-x{margin-left:-12px;margin-right:-12px}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),filter var(--t),background-color var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{color:#fff;filter:brightness(1.04);box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--c-primary);border:1px solid var(--c-line)}
.btn--ghost:hover{color:var(--c-primary-600);border-color:var(--c-primary);background:var(--c-primary-050)}
.btn--dark{background:#0d3a33;color:#e7f5f1;border:1px solid rgba(255,255,255,.18)}
.btn--dark:hover{color:#fff;background:#124b42}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;letter-spacing:.2px}
.badge--soft{background:var(--c-primary-050);color:var(--c-primary-600)}
.badge--live{background:var(--c-accent);color:#fff}
.badge--outline{background:#fff;color:var(--c-primary);border:1px solid var(--c-line)}
.badge--grad{color:var(--c-primary-600);background:#fff;border:1px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad-brand);background-origin:border-box;background-clip:padding-box,border-box}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--t)}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.brand-row__inner{display:flex;align-items:center;gap:20px;height:72px;transition:height var(--t)}
.site-header.is-stuck .brand-row__inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto}
.logo:hover{color:var(--c-ink)}
.logo__mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:var(--sh-1);
}
.logo__text{display:flex;flex-direction:column;line-height:1.2}
.logo__name{font-size:16px;font-weight:800;color:var(--c-ink);letter-spacing:.2px}
.logo__sub{font-size:12px;color:var(--c-muted)}
.brand-search{display:flex;align-items:center;flex:1 1 auto;max-width:420px;height:42px;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:0 6px 0 16px;transition:border-color var(--t),box-shadow var(--t),background-color var(--t)}
.brand-search:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(14,110,99,.12)}
.brand-search input{flex:1 1 auto;border:0;background:transparent;height:100%;font-size:14px;color:var(--c-ink);outline:none}
.brand-search input::placeholder{color:var(--c-muted)}
.brand-search button{width:34px;height:34px;border:0;border-radius:50%;background:var(--c-primary);color:#fff;cursor:pointer;font-size:13px;transition:background-color var(--t)}
.brand-search button:hover{background:var(--c-primary-600)}
.brand-row__actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);cursor:pointer;display:none;align-items:center;justify-content:center;transition:all var(--t)}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.search-drawer{display:none;padding:0 0 14px}
.search-drawer.is-open{display:block}
.brand-search--drawer{max-width:100%}
.channel-row{border-top:1px solid var(--c-line);background:#fff}
.channel-row__inner{display:flex;align-items:center;gap:16px;height:48px;transition:height var(--t)}
.site-header.is-stuck .channel-row__inner{height:42px}
.channel-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none;flex:1 1 auto}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{
  display:inline-block;padding:7px 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--c-ink-2);white-space:nowrap;
  border-bottom:2px solid transparent;
}
.channel-list a:hover{background:var(--c-primary-050);color:var(--c-primary-600)}
.channel-list a.is-active{background:var(--c-primary-050);color:var(--c-primary-600);font-weight:700;border-bottom-color:var(--c-primary)}
.hot-tags{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);flex:0 0 auto;overflow:hidden}
.hot-tags a{font-size:13px;color:var(--c-ink-2);background:var(--c-bg);padding:4px 11px;border-radius:var(--r-pill);border:1px solid var(--c-line)}
.hot-tags a:hover{background:var(--c-accent-050);color:var(--c-accent);border-color:var(--c-accent-050)}
.site-header.is-stuck .hot-tags{display:none}

/* ============ 文章头部 ============ */
.article-hero{background:#fff;border-bottom:1px solid var(--c-line);padding:36px 0 44px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);margin-bottom:22px}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:var(--c-line)}
.breadcrumb .current{color:var(--c-primary);font-weight:600}
.article-head{max-width:820px}
.article-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.article-title{
  font-size:40px;line-height:1.28;letter-spacing:-.3px;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:22px;padding-top:20px;border-top:1px solid var(--c-line);font-size:14px;color:var(--c-muted)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums}
.article-meta i{color:var(--c-primary);font-size:13px}
.article-lead{margin-top:20px;font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:760px}

/* ============ 正文 ============ */
.article-main{padding:56px 0 24px}
.article-shell{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:44px 48px;
}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.8;color:var(--c-ink-2)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:26px;margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary);
}
.article-body h3{
  font-size:20px;margin:32px 0 12px;padding-left:12px;border-left:3px solid rgba(14,110,99,.35);
}
.article-body h4{font-size:17px;margin:24px 0 10px;color:var(--c-ink)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body li{margin-bottom:8px}
.article-body ul li::marker{color:var(--c-primary)}
.article-body ol li::marker{color:var(--c-primary);font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-primary-050);
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-ink);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:24px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption,
.article-body .caption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-sm)}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:11px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--c-bg-alt);color:var(--c-ink);font-weight:600}
.article-body code{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--c-primary-600)}
.article-body pre{background:#07211D;color:#d8efe9;border-radius:var(--r-md);padding:18px 20px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.7}
.article-body pre code{background:transparent;border:0;color:inherit;padding:0}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(14,110,99,.35)}
.article-body a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}

/* ============ 空态 ============ */
.empty-state{
  max-width:760px;margin:0 auto;min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;color:var(--c-muted);
}
.empty-state i{font-size:34px;color:var(--c-primary);opacity:.7}
.empty-state h3{font-size:20px;color:var(--c-ink)}
.empty-state p{margin:0;font-size:15px}

/* ============ 返回 / 翻页 ============ */
.article-actions{
  max-width:760px;margin:40px auto 0;padding-top:28px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-left:auto}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:var(--r-pill);background:var(--c-primary-050);color:var(--c-primary-600);font-size:13px}

/* ============ 相关推荐 ============ */
.section{padding:64px 0}
.section--tight{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:28px}
.section-head .section-desc{font-size:14px;color:var(--c-muted);margin-top:8px}
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#cfe2dd}
.card__cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt)}
.card__cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.card:hover .card__cover img{transform:scale(1.03)}
.card__cover .badge{position:absolute;top:12px;left:12px}
.card__body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card__title{font-size:18px;line-height:1.5;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-primary)}
.card__desc{font-size:14px;color:var(--c-muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.card__link{font-size:14px;font-weight:600;color:var(--c-primary)}
.card__link:hover{color:var(--c-accent)}

/* ============ 订阅条 ============ */
.subscribe{background:var(--c-dark);color:#cfe6e1;padding:52px 0}
.subscribe__inner{display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between}
.subscribe__text{max-width:520px}
.subscribe__text h2{color:#fff;font-size:26px;margin-bottom:10px}
.subscribe__text p{margin:0;font-size:15px;color:#9dc2bb}
.subscribe__form{display:flex;gap:12px;align-items:center;flex:1 1 380px;max-width:520px}
.subscribe__form input{
  flex:1 1 auto;height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:15px;outline:none;
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.subscribe__form input::placeholder{color:#7fa8a1}
.subscribe__form input:focus{border-color:#14907F;background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(20,144,127,.28)}
.subscribe__form .btn{height:48px}
.subscribe__note{width:100%;font-size:13px;color:#7fa8a1;margin-top:14px}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:860px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.faq-item:hover{border-color:#cfe2dd;box-shadow:var(--sh-1)}
.faq-item.is-open{border-color:var(--c-primary);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:17px 20px;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
.faq-q .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-050);
  color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;transition:transform var(--t),background-color var(--t),color var(--t);
}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(45deg);background:var(--c-accent);color:#fff}
.faq-a{display:none;padding:0 20px 20px;font-size:16px;line-height:1.8;color:var(--c-ink-2)}
.faq-item.is-open .faq-a{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#b8d4ce;padding:64px 0 28px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo__name{color:#fff}
.footer-brand .logo__sub{color:#7fa8a1}
.footer-brand p{margin:18px 0;font-size:14px;line-height:1.8;color:#9dc2bb;max-width:340px}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13px;color:#8fb6af}
.footer-contact i{margin-right:6px;color:#14907F}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#9dc2bb}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7fa8a1;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .article-title{font-size:32px}
  .brand-search{max-width:280px}
  .hot-tags{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-row__inner{height:60px;gap:12px}
  .brand-search{display:none}
  .icon-btn{display:inline-flex}
  .brand-row__actions .btn--sm{display:none}
  .channel-row__inner{height:46px}
  .article-hero{padding:24px 0 32px}
  .article-title{font-size:26px;-webkit-line-clamp:3}
  .article-main{padding:32px 0 12px}
  .article-shell{padding:26px 20px;border-radius:var(--r-md)}
  .article-body h2{font-size:22px;margin:32px 0 14px}
  .article-body h3{font-size:18px}
  .article-meta{gap:12px;font-size:13px}
  .article-actions{flex-direction:column;align-items:stretch}
  .article-tags{margin-left:0}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:22px}
  .subscribe{padding:40px 0}
  .subscribe__form{flex-direction:column;align-items:stretch;max-width:100%}
  .subscribe__text h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .faq-q{font-size:16px;padding:15px 16px}
  .faq-a{padding:0 16px 16px}
}
@media (max-width:519px){
  .article-title{font-size:23px}
  .card__title{font-size:17px}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E6E63;
  --c-primary-600:#0A564D;
  --c-primary-050:#E5F2EF;
  --c-accent:#FF6B2C;
  --c-accent-050:#FFF0E8;
  --c-ink:#0B1F1C;
  --c-ink-2:#2E4642;
  --c-muted:#6B807B;
  --c-bg:#F4F7F6;
  --c-bg-alt:#EAF2F0;
  --c-line:#DCE7E4;
  --c-dark:#07211D;
  --grad-brand:linear-gradient(118deg,#0E6E63 0%,#14907F 48%,#FF6B2C 118%);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --sh-1:0 2px 8px rgba(7,33,29,.05);
  --sh-2:0 10px 28px rgba(7,33,29,.09);
  --sh-3:0 18px 48px rgba(7,33,29,.14);
  --t:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
a:hover{color:var(--c-primary-600)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
h1{font-size:40px;line-height:1.25}
h2{font-size:28px}
h3{font-size:20px}
h4{font-size:17px}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
section[id],div[id]{scroll-margin-top:130px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== 按钮与徽章 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:var(--t);
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{color:#fff;filter:brightness(1.02);box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line)}
.btn--ghost:hover{color:var(--c-primary-600);border-color:var(--c-primary);background:var(--c-primary-050)}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;
  border-radius:999px;font-size:12px;line-height:1;font-weight:600;
}
.badge--soft{background:var(--c-primary-050);color:var(--c-primary-600)}
.badge--accent{background:var(--c-accent);color:#fff}
.badge--outline{
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;
  border:1px solid transparent;color:var(--c-primary);
}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:var(--c-primary-050);color:var(--c-primary-600);
  font-size:12px;line-height:1;
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--c-line);transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.brand-row{padding:10px 0;transition:padding var(--t)}
.site-header.is-scrolled .brand-row{padding:2px 0}
.brand-row__inner{display:flex;align-items:center;gap:24px;min-height:56px}
.logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.logo__mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:17px;
}
.logo__text{display:flex;flex-direction:column;line-height:1.25}
.logo__name{font-size:17px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.logo__sub{font-size:13px;color:var(--c-muted);white-space:nowrap}
.brand-search{
  flex:1 1 auto;max-width:400px;display:flex;align-items:center;gap:6px;
  background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:999px;
  padding:4px 4px 4px 18px;transition:var(--t);
}
.brand-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,110,99,.12)}
.brand-search input{
  flex:1 1 auto;min-width:0;height:36px;border:0;background:transparent;
  font-size:14px;color:var(--c-ink);outline:none;
}
.brand-search input::placeholder{color:var(--c-muted)}
.brand-search button{
  width:36px;height:36px;flex:0 0 36px;border:0;border-radius:999px;
  background:var(--grad-brand);color:#fff;cursor:pointer;transition:var(--t);
}
.brand-search button:hover{filter:brightness(1.06)}
.brand-row__actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink-2);cursor:pointer;transition:var(--t);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.search-drawer{display:none;padding:0 0 14px}
.search-drawer.is-open{display:block}
.brand-search--drawer{max-width:none;background:#fff}
.channel-row{border-top:1px solid var(--c-line);background:#fff}
.channel-row__inner{display:flex;align-items:center;gap:20px;min-height:46px}
.channel-list{display:flex;align-items:center;gap:4px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:999px;font-size:15px;color:var(--c-ink-2);white-space:nowrap;
}
.channel-list a:hover{background:var(--c-primary-050);color:var(--c-primary-600)}
.channel-list a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600}
.channel-list a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-6px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.hot-tags{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);white-space:nowrap}
.hot-tags a{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--c-bg-alt);color:var(--c-ink-2);font-size:13px;
}
.hot-tags a:hover{background:var(--c-accent-050);color:var(--c-accent)}
.site-header.is-scrolled .hot-tags{display:none}

/* ===== 面包屑与页面头部 ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted)}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .current{color:var(--c-primary);font-weight:600}
.cat-hero{padding:28px 0 40px;border-bottom:1px solid var(--c-line)}
.cat-hero h1{margin:16px 0 12px}
.cat-hero__lead{max-width:760px;font-size:17px;color:var(--c-ink-2);margin:0 0 20px}
.cat-hero__meta{display:flex;flex-wrap:wrap;gap:10px}

/* ===== 分类页布局 ===== */
.cat-layout{
  display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;
  padding:48px 0 80px;align-items:start;
}
.toc{
  position:sticky;top:126px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
}
.toc h2{font-size:17px;margin-bottom:14px}
.toc__list{display:flex;flex-direction:column;gap:2px}
.toc__list a{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--c-ink-2);
}
.toc__list a:hover{background:var(--c-primary-050);color:var(--c-primary-600)}
.toc__num{
  flex:0 0 26px;height:26px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:8px;font-size:12px;font-weight:700;
  color:var(--c-primary);font-variant-numeric:tabular-nums;
}
.toc__list a:hover .toc__num{border-color:var(--c-primary);background:#fff}
.toc__note{margin-top:20px;padding-top:20px;border-top:1px solid var(--c-line)}
.toc__note p{font-size:13px;color:var(--c-muted);margin-bottom:12px}

.block{margin-bottom:56px}
.block:last-child{margin-bottom:0}
.block__head{margin-bottom:22px}
.block__head h2{margin-bottom:8px}
.block__head p{margin:0;font-size:15px;color:var(--c-muted);max-width:760px}

/* ===== 行式长列表 ===== */
.row-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden}
.row-item{
  display:block;padding:22px 26px;border-bottom:1px solid var(--c-line);
  transition:background-color var(--t),box-shadow var(--t),transform var(--t);
}
.row-item:last-child{border-bottom:0}
.row-item:hover{background:var(--c-primary-050)}
.row-item__title{font-size:18px;line-height:1.45;margin-bottom:8px}
.row-item__desc{margin:0 0 12px;font-size:15px;color:var(--c-muted)}
.row-item__meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.row-item__meta .time{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--c-muted);
  font-variant-numeric:tabular-nums;
}

/* ===== 步骤 ===== */
.steps{display:grid;gap:14px}
.step{
  display:flex;gap:18px;padding:22px 24px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-md);
}
.step__no{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;border:1px solid var(--c-primary);
  color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-variant-numeric:tabular-nums;
}
.step:first-child .step__no{background:var(--grad-brand);border-color:transparent;color:#fff}
.step h3{font-size:17px;margin-bottom:6px}
.step p{margin:0;font-size:15px;color:var(--c-muted)}

/* ===== 规格列表 ===== */
.spec-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden}
.spec-list li{
  display:flex;flex-wrap:wrap;gap:16px;padding:18px 26px;border-bottom:1px solid var(--c-line);
}
.spec-list li:last-child{border-bottom:0}
.spec-list__key{
  flex:0 0 140px;font-weight:600;color:var(--c-ink);font-size:15px;
}
.spec-list__val{flex:1 1 260px;font-size:15px;color:var(--c-muted)}

/* ===== 常见情况卡片 ===== */
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.case-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;
  transition:var(--t);
}
.case-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.case-card__icon{
  width:40px;height:40px;border-radius:12px;background:var(--c-primary-050);
  color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;margin-bottom:14px;
}
.case-card h3{font-size:17px;margin-bottom:8px}
.case-card p{margin:0;font-size:15px;color:var(--c-muted)}

/* ===== FAQ ===== */
.accordion{background:transparent;margin:0;border:0}
.accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:8px;overflow:hidden;
}
.accordion-title{
  position:relative;display:block;padding:18px 60px 18px 22px;border:0;
  font-size:17px;font-weight:600;color:var(--c-ink);background:#fff;transition:var(--t);
}
.accordion-title:hover{background:var(--c-primary-050);color:var(--c-primary-600)}
.accordion-title::before,
.accordion-title::after{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:translateY(-50%);transition:var(--t);
}
.accordion-title::after{transform:translateY(-50%) rotate(90deg)}
.accordion-title[aria-expanded="true"]{background:var(--c-primary-050);color:var(--c-primary-600)}
.accordion-title[aria-expanded="true"]::after{transform:translateY(-50%) rotate(0deg)}
.accordion-content{padding:6px 22px 20px;border:0;background:var(--c-primary-050)}
.accordion-content p{margin:0 0 10px;font-size:15px;color:var(--c-ink-2)}
.accordion-content p:last-child{margin-bottom:0}

/* ===== CTA ===== */
.cta-band{background:var(--c-bg-alt);border-top:1px solid var(--c-line);padding:64px 0}
.cta-band__inner{display:flex;flex-wrap:wrap;align-items:center;gap:32px;justify-content:space-between}
.cta-band h2{margin-bottom:8px}
.cta-band p{margin:0;font-size:16px;color:var(--c-muted);max-width:620px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer-brand .logo__name{color:#fff}
.footer-brand .logo__sub{color:rgba(255,255,255,.55)}
.footer-brand p{margin:18px 0;font-size:14px;color:rgba(255,255,255,.68);max-width:340px}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13px;color:rgba(255,255,255,.62)}
.footer-contact i{color:var(--c-accent);margin-right:8px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .cat-layout{grid-template-columns:248px minmax(0,1fr);gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:1023px){
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:36px 0 64px}
  .toc{position:static}
  .toc__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:860px){
  .brand-search:not(.brand-search--drawer){display:none}
  .icon-btn{display:inline-flex;align-items:center;justify-content:center}
  .hot-tags{display:none}
  .brand-row__actions{margin-left:auto}
}
@media (max-width:640px){
  .container{padding:0 16px}
  h1,.cat-hero h1{font-size:26px}
  h2{font-size:22px}
  h3{font-size:19px}
  .logo__name{font-size:15px}
  .logo__sub{font-size:13px}
  .logo__mark{width:36px;height:36px;border-radius:10px}
  .cat-hero{padding:20px 0 32px}
  .cat-hero__lead{font-size:15px}
  .toc__list{grid-template-columns:minmax(0,1fr)}
  .row-item{padding:18px}
  .row-item__title{font-size:17px}
  .case-grid{grid-template-columns:minmax(0,1fr)}
  .spec-list li{padding:16px 18px;gap:8px}
  .spec-list__key{flex:0 0 100%}
  .step{padding:18px}
  .cta-band{padding:48px 0}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .site-header.is-scrolled .brand-row{padding:2px 0}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E6E63;
  --c-primary-600:#0A564D;
  --c-primary-050:#E5F2EF;
  --c-accent:#FF6B2C;
  --c-accent-050:#FFF0E8;
  --c-ink:#0B1F1C;
  --c-ink-2:#2E4642;
  --c-muted:#6B807B;
  --c-bg:#F4F7F6;
  --c-bg-alt:#EAF2F0;
  --c-line:#DCE7E4;
  --c-dark:#07211D;
  --grad-brand:linear-gradient(118deg,#0E6E63 0%,#14907F 48%,#FF6B2C 118%);
  --sh-1:0 2px 8px rgba(7,33,29,.05);
  --sh-2:0 10px 28px rgba(7,33,29,.09);
  --sh-3:0 18px 48px rgba(7,33,29,.14);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.3;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease);}
a:hover{color:var(--c-primary-600);}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--c-bg-alt);}
.section__head{max-width:760px;margin-bottom:40px;}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section__title{font-size:28px;letter-spacing:.2px;}
.section__sub{margin-top:12px;color:var(--c-muted);font-size:16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{color:#fff;filter:brightness(1.05);box-shadow:var(--sh-2);transform:translateY(-1px);}
.btn--ghost{background:#fff;border-color:var(--c-line);color:var(--c-primary-600);}
.btn--ghost:hover{border-color:var(--c-primary);background:var(--c-primary-050);color:var(--c-primary-600);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;}
.btn--link{height:auto;padding:0;color:var(--c-primary);font-weight:600;background:none;}
.btn--link:hover{color:var(--c-accent);}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.brand-row__inner{
  display:flex;align-items:center;gap:24px;
  padding-top:14px;padding-bottom:14px;
  transition:padding .22s var(--ease);
}
.site-header.is-scrolled .brand-row__inner{padding-top:8px;padding-bottom:8px;}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--c-ink);}
.logo:hover{color:var(--c-ink);}
.logo__mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-size:18px;
  box-shadow:var(--sh-1);transition:width .22s var(--ease),height .22s var(--ease);
}
.site-header.is-scrolled .logo__mark{width:36px;height:36px;flex-basis:36px;border-radius:12px;font-size:16px;}
.logo__text{display:flex;flex-direction:column;line-height:1.25;}
.logo__name{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:.2px;}
.logo__sub{font-size:13px;color:var(--c-muted);}
.brand-search{
  flex:1 1 auto;max-width:460px;display:flex;align-items:center;
  height:44px;border:1px solid var(--c-line);border-radius:999px;
  background:var(--c-bg);overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.brand-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,110,99,.12);}
.brand-search input{
  flex:1 1 auto;height:100%;border:0;background:transparent;
  padding:0 18px;font-size:14px;color:var(--c-ink-2);outline:none;
}
.brand-search input::placeholder{color:var(--c-muted);}
.brand-search button{
  width:52px;height:100%;border:0;background:transparent;color:var(--c-primary);font-size:15px;
}
.brand-search button:hover{color:var(--c-accent);}
.brand-row__actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-primary);display:none;align-items:center;justify-content:center;font-size:15px;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.icon-btn:hover{border-color:var(--c-primary);background:var(--c-primary-050);}
.search-drawer{display:none;padding:0 24px 14px;}
.search-drawer.is-open{display:block;}
.brand-search--drawer{max-width:none;}

.channel-row{background:#fff;}
.channel-row__inner{
  display:flex;align-items:center;gap:24px;
  padding-top:0;padding-bottom:0;
  border-top:1px solid var(--c-line);
}
.channel-list{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  display:inline-flex;align-items:center;height:52px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;
  border-bottom:2px solid transparent;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.channel-list a:hover{color:var(--c-primary);background:var(--c-primary-050);}
.channel-list a.is-active{color:var(--c-primary);border-bottom-color:var(--c-primary);background:var(--c-primary-050);}
.site-header.is-scrolled .channel-list a{height:44px;}
.hot-tags{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;padding:8px 0;}
.hot-tags::-webkit-scrollbar{display:none;}
.hot-tags span{font-size:13px;color:var(--c-muted);white-space:nowrap;}
.hot-tags a{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-050);color:var(--c-primary-600);font-size:12px;white-space:nowrap;
  transition:background-color .22s var(--ease),color .22s var(--ease);
}
.hot-tags a:hover{background:var(--c-accent-050);color:var(--c-accent);}
.site-header.is-scrolled .hot-tags{display:none;}

/* ---------- 分类横幅 ---------- */
.page-hero{
  background:linear-gradient(160deg,#E5F2EF 0%,#EAF2F0 46%,#F4F7F6 100%);
  border-bottom:1px solid var(--c-line);
  padding:48px 0 56px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:24px;}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span[aria-current]{color:var(--c-primary);font-weight:600;}
.page-hero__grid{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start;}
.page-hero__text{flex:1 1 560px;min-width:0;}
.page-hero h1{font-size:40px;line-height:1.25;letter-spacing:.2px;}
.page-hero__desc{margin-top:18px;font-size:17px;color:var(--c-ink-2);max-width:640px;}
.page-hero__note{margin-top:12px;font-size:14px;color:var(--c-muted);}
.page-hero__media{flex:1 1 320px;max-width:420px;}
.page-hero__media .ratio{
  position:relative;aspect-ratio:4/3;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);background:#fff;
}
.page-hero__media img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.page-hero__media:hover img{transform:scale(1.03);}
.stat-strip{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;padding-top:28px;
  border-top:1px solid var(--c-line);
}
.stat-item{
  display:inline-flex;align-items:baseline;gap:8px;height:44px;padding:0 20px;border-radius:999px;
  border:1px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;
  box-shadow:var(--sh-1);
}
.stat-item b{font-size:20px;font-weight:800;color:var(--c-ink);font-variant-numeric:tabular-nums;}
.stat-item em{font-style:normal;font-size:13px;color:var(--c-muted);}

/* ---------- 双列大卡 ---------- */
.big-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.big-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#C9DCD8;}
.big-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt);}
.big-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.big-card:hover .big-card__media img{transform:scale(1.03);}
.big-card__body{display:flex;flex-direction:column;gap:12px;padding:22px 24px 26px;flex:1 1 auto;}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-050);color:var(--c-primary-600);font-size:12px;font-weight:600;
}
.chip--accent{background:var(--c-accent);color:#fff;}
.big-card__title{
  font-size:20px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.big-card__title a{color:var(--c-ink);}
.big-card__title a:hover{color:var(--c-primary);}
.big-card__excerpt{
  font-size:15px;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.big-card__meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px solid var(--c-line);
}
.big-card__time{font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums;}
.big-card__more{font-size:14px;font-weight:600;color:var(--c-primary);}
.big-card__more:hover{color:var(--c-accent);}
.grid-gap{row-gap:24px;}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto;}
table.compare{width:100%;min-width:680px;border-collapse:collapse;}
table.compare caption{
  text-align:left;padding:20px 24px 0;font-size:15px;color:var(--c-muted);
}
table.compare th,table.compare td{
  padding:16px 24px;text-align:left;font-size:15px;border-bottom:1px solid var(--c-line);vertical-align:top;
}
table.compare thead th{
  background:var(--c-primary-050);color:var(--c-primary-600);font-size:14px;font-weight:700;white-space:nowrap;
}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover td{background:#FAFCFB;}
table.compare td strong{color:var(--c-ink);font-weight:600;}

/* ---------- 步骤清单 ---------- */
.step-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.step-item{display:flex;gap:18px;padding:22px 24px;border-bottom:1px solid var(--c-line);transition:background-color .22s var(--ease);}
.step-item:last-child{border-bottom:0;}
.step-item:hover{background:var(--c-primary-050);}
.step-item__num{
  flex:0 0 36px;width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-primary);color:var(--c-primary);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;background:#fff;
}
.step-item:first-child .step-item__num{background:var(--grad-brand);border-color:transparent;color:#fff;}
.step-item__text h4{font-size:17px;margin-bottom:4px;}
.step-item__text p{font-size:15px;color:var(--c-muted);}

/* ---------- 分页 ---------- */
.pagination{
  display:flex;justify-content:center;align-items:center;gap:8px;margin-top:40px;flex-wrap:wrap;
}
.pagination a,.pagination span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);font-size:14px;font-weight:600;
  transition:border-color .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
}
.pagination a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-050);}
.pagination .is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.pagination .is-disabled{color:#B6C6C2;background:#F8FBFA;cursor:not-allowed;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(140deg,#E5F2EF 0%,#EAF2F0 60%,#FFF0E8 100%);
  border-top:1px solid var(--c-line);
  padding:64px 0;
}
.cta-band__inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
}
.cta-band h2{font-size:26px;}
.cta-band p{margin-top:10px;font-size:16px;color:var(--c-ink-2);max-width:640px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#C6D6D2;padding:64px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo__name{color:#fff;}
.footer-brand .logo__sub{color:#8FA8A3;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:#9FB4B0;max-width:340px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:#9FB4B0;}
.footer-contact i{color:var(--c-accent);margin-right:6px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#9FB4B0;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7E9691;font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:64px 0;}
  .page-hero{padding:36px 0 44px;}
  .page-hero h1{font-size:32px;}
  .brand-search{display:none;}
  .icon-btn{display:inline-flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band h2{font-size:22px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section__title{font-size:22px;}
  .page-hero h1{font-size:26px;}
  .page-hero__desc{font-size:16px;}
  .page-hero__media{max-width:none;flex-basis:100%;}
  .stat-item{height:40px;padding:0 16px;}
  .big-card__title{font-size:18px;}
  .step-item{padding:18px 16px;gap:14px;}
  .cta-band{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519px){
  .logo__name{font-size:15px;}
  .logo__sub{display:none;}
  .brand-row__inner{gap:12px;}
  .stat-strip{gap:8px;}
  .stat-item b{font-size:17px;}
  .pagination a,.pagination span{min-width:40px;height:40px;padding:0 10px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E6E63;
  --c-primary-600:#0A564D;
  --c-primary-050:#E5F2EF;
  --c-accent:#FF6B2C;
  --c-accent-050:#FFF0E8;
  --c-ink:#0B1F1C;
  --c-ink-2:#2E4642;
  --c-muted:#6B807B;
  --c-bg:#F4F7F6;
  --c-bg-alt:#EAF2F0;
  --c-line:#DCE7E4;
  --c-dark:#07211D;
  --grad-brand:linear-gradient(118deg,#0E6E63 0%,#14907F 48%,#FF6B2C 118%);
  --sh-1:0 2px 8px rgba(7,33,29,.05);
  --sh-2:0 10px 28px rgba(7,33,29,.09);
  --sh-3:0 18px 48px rgba(7,33,29,.14);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --tr:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr),background var(--tr),border-color var(--tr)}
a:hover{color:var(--c-primary-600)}
button{font-family:inherit;cursor:pointer}
input,button{font-size:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--c-ink)}
h1{font-size:40px;line-height:1.25;letter-spacing:-.01em}
h2{font-size:28px;line-height:1.3}
h3{font-size:20px}
h4{font-size:17px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head__text{max-width:720px}
.section-head h2{margin-bottom:10px}
.section-head p{color:var(--c-muted);font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);background:var(--c-primary-050);border-radius:999px;padding:4px 14px;margin-bottom:14px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--tr),box-shadow var(--tr),filter var(--tr),background var(--tr),color var(--tr),border-color var(--tr);
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{color:#fff;filter:brightness(1.04);box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line)}
.btn--ghost:hover{color:var(--c-primary-600);border-color:var(--c-primary);background:var(--c-primary-050);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--c-primary-600)}
.btn--light:hover{color:var(--c-primary-600);filter:brightness(1.03);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
  display:none;align-items:center;justify-content:center;transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.icon-btn:hover{background:var(--c-primary-050);color:var(--c-primary);border-color:var(--c-primary)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1}
.badge--soft{background:var(--c-primary-050);color:var(--c-primary-600)}
.badge--live{background:var(--c-accent);color:#fff}
.badge--live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite}
.badge--outline{background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2)}
.badge--grad{background:linear-gradient(118deg,#0E6E63 0%,#14907F 48%,#FF6B2C 118%);color:#fff}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--tr)}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.brand-row{background:#fff}
.brand-row__inner{display:flex;align-items:center;gap:24px;height:64px;transition:height var(--tr)}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--c-ink)}
.logo:hover{color:var(--c-ink)}
.logo__mark{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-size:17px;flex:0 0 auto;transition:width var(--tr),height var(--tr);
}
.logo__text{display:flex;flex-direction:column;line-height:1.2}
.logo__name{font-size:17px;font-weight:700;letter-spacing:-.01em}
.logo__sub{font-size:12px;color:var(--c-muted);font-weight:500}
.brand-search{flex:1 1 auto;max-width:420px;display:flex;align-items:center;background:var(--c-bg);border:1px solid var(--c-line);border-radius:999px;padding:0 6px 0 16px;height:42px;transition:border-color var(--tr),background var(--tr),box-shadow var(--tr)}
.brand-search:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(14,110,99,.12)}
.brand-search input{flex:1 1 auto;border:0;background:transparent;height:40px;font-size:14px;color:var(--c-ink);outline:none;min-width:0}
.brand-search input::placeholder{color:var(--c-muted)}
.brand-search button{width:34px;height:34px;border-radius:999px;border:0;background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;transition:background var(--tr)}
.brand-search button:hover{background:var(--c-primary-600)}
.brand-row__actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.search-drawer{display:none;border-top:1px solid var(--c-line);background:#fff;padding:12px 0}
.search-drawer.is-open{display:block}
.brand-search--drawer{max-width:none}
.channel-row{border-top:1px solid var(--c-line);background:#fff;transition:padding var(--tr)}
.channel-row__inner{display:flex;align-items:center;gap:20px;height:48px;transition:height var(--tr)}
.channel-list{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list li{flex:0 0 auto}
.channel-list a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;
  border-bottom:2px solid transparent;transition:color var(--tr),background var(--tr),border-color var(--tr);
}
.channel-list a:hover{color:var(--c-primary);background:var(--c-primary-050)}
.channel-list a.is-active{color:var(--c-primary);background:var(--c-primary-050);border-bottom-color:var(--c-primary)}
.hot-tags{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;transition:opacity var(--tr),max-height var(--tr)}
.hot-tags::-webkit-scrollbar{display:none}
.hot-tags span{font-size:13px;color:var(--c-muted);white-space:nowrap}
.hot-tags a{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  background:var(--c-bg-alt);color:var(--c-ink-2);font-size:13px;white-space:nowrap;
  transition:background var(--tr),color var(--tr);
}
.hot-tags a:hover{background:var(--c-primary-050);color:var(--c-primary)}
.site-header.is-stuck .brand-row__inner{height:56px}
.site-header.is-stuck .channel-row__inner{height:44px}

/* 面包屑 */
.crumb-bar{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line)}
.crumb-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;flex-wrap:wrap}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-muted)}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--c-line)}
.crumb .current{color:var(--c-primary);font-weight:600}
.crumb-meta{font-size:13.5px;color:var(--c-muted);font-variant-numeric:tabular-nums}

/* 分类头部 */
.cat-head{padding:48px 0 40px;background:#fff;border-bottom:1px solid var(--c-line)}
.cat-head h1{margin-bottom:14px;max-width:880px}
.cat-head__lead{max-width:760px;color:var(--c-ink-2);font-size:16px}
.cat-head__stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.stat-chip{display:inline-flex;align-items:baseline;gap:8px;background:var(--c-primary-050);border-radius:999px;padding:8px 18px}
.stat-chip b{font-size:19px;font-weight:800;color:var(--c-primary-600);font-variant-numeric:tabular-nums}
.stat-chip span{font-size:13px;color:var(--c-ink-2)}

/* 筛选条 */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:14px 18px;margin-bottom:28px;box-shadow:var(--sh-1);
}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  height:34px;padding:0 16px;border-radius:999px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:14px;font-weight:600;
  transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-050)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.result-count{font-size:14px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.result-count b{color:var(--c-primary-600);font-weight:800}

/* 布局 */
.grid-main{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:32px;align-items:start}

/* 紧凑卡墙 */
.card-wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.mini-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DCD8}
.mini-card__cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt)}
.mini-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.mini-card:hover .mini-card__cover img{transform:scale(1.03)}
.mini-card__tag{position:absolute;left:10px;top:10px}
.mini-card__body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.mini-card__title{
  font-size:16px;font-weight:700;line-height:1.5;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px;
}
.mini-card:hover .mini-card__title{color:var(--c-primary-600)}
.mini-card__foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.mini-card__foot i{color:var(--c-primary);font-size:12px}

/* 侧栏 */
.side{display:flex;flex-direction:column;gap:24px;position:sticky;top:140px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1)}
.side-card h3{font-size:17px;margin-bottom:6px}
.side-card__hint{font-size:13px;color:var(--c-muted);margin-bottom:16px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;
  background:var(--c-primary-050);color:var(--c-primary-600);font-size:13px;font-weight:600;
  transition:background var(--tr),color var(--tr),transform var(--tr);
}
.tag-cloud a:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}
.side-note{font-size:13px;color:var(--c-muted);border-top:1px dashed var(--c-line);padding-top:14px;margin-top:16px}
.side-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--c-line);font-size:14px;color:var(--c-ink-2)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list i{color:var(--c-primary);margin-top:5px;font-size:12px}

/* 速查列表 */
.spec-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.spec-row{display:grid;grid-template-columns:44px 200px minmax(0,1fr) auto;align-items:center;gap:18px;padding:18px 24px;border-bottom:1px solid var(--c-line);transition:background var(--tr)}
.spec-row:last-child{border-bottom:0}
.spec-row:hover{background:var(--c-primary-050)}
.spec-row__icon{width:40px;height:40px;border-radius:12px;background:var(--c-primary-050);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;font-size:16px}
.spec-row__name{font-size:15.5px;font-weight:700;color:var(--c-ink)}
.spec-row__desc{font-size:14px;color:var(--c-muted)}

/* 步骤 */
.step-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;position:relative;box-shadow:var(--sh-1);transition:transform var(--tr),box-shadow var(--tr)}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-item__num{
  width:34px;height:34px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:15px;margin-bottom:14px;
}
.step-item h3{font-size:17px;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--c-muted)}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-list{display:flex;flex-direction:column;gap:8px}
.faq-list .accordion{border:0;background:transparent}
.faq-list .accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow var(--tr),border-color var(--tr);
}
.faq-list .accordion-item:hover{border-color:#C9DCD8}
.faq-list .accordion-title{
  border:0;background:transparent;padding:18px 56px 18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
  position:relative;line-height:1.5;
}
.faq-list .accordion-title:hover,.faq-list .accordion-title:focus{background:var(--c-primary-050);color:var(--c-primary-600)}
.faq-list .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:14px;color:var(--c-primary);transition:transform var(--tr),opacity var(--tr);
}
.faq-list .accordion-item.is-active .accordion-title::before{content:"\f068"}
.faq-list .accordion-content{border:0;background:#fff;padding:0 22px 20px;color:var(--c-ink-2);font-size:16px;line-height:1.8}
.faq-list .accordion-content p{margin:0}

/* CTA */
.cta-band{
  background:linear-gradient(118deg,#0E6E63 0%,#14907F 48%,#FF6B2C 118%);
  border-radius:var(--r-lg);padding:48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-3);
}
.cta-band h2{color:#fff;margin-bottom:10px;font-size:26px}
.cta-band p{color:rgba(255,255,255,.9);max-width:620px;font-size:15px}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--c-dark);color:#C3D6D2;padding:64px 0 0;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo:hover{color:#fff}
.footer-brand .logo__mark{background:var(--grad-brand)}
.footer-brand .logo__name{color:#fff}
.footer-brand .logo__sub{color:#8FA8A3}
.footer-brand p{font-size:14px;color:#A6BDB9;max-width:340px}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:13.5px;color:#8FA8A3}
.footer-contact i{color:#14907F;margin-right:6px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#A6BDB9;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:#7E9691;
}

/* 响应式 */
@media (max-width:1199px){
  .grid-main{grid-template-columns:1fr}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 280px}
}
@media (max-width:1023px){
  h1{font-size:32px}
  h2{font-size:24px}
  .section{padding:64px 0}
  .card-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hot-tags{display:none}
  .spec-row{grid-template-columns:40px 1fr;grid-template-areas:"icon name" ". desc";row-gap:6px}
  .spec-row__icon{grid-area:icon}
  .spec-row__name{grid-area:name}
  .spec-row__desc{grid-area:desc}
  .spec-row .badge{grid-column:2;justify-self:start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .brand-search{display:none}
  .icon-btn{display:inline-flex}
}
@media (max-width:640px){
  h1{font-size:26px}
  h2{font-size:22px}
  .container{padding:0 16px}
  .section{padding:48px 0}
  .card-wall{grid-template-columns:1fr}
  .step-strip{grid-template-columns:1fr}
  .cat-head{padding:32px 0 28px}
  .cat-head__stats{gap:8px}
  .stat-chip{padding:6px 14px}
  .filter-bar{padding:12px 14px}
  .cta-band{padding:28px 22px}
  .cta-band__actions{width:100%;flex-direction:column}
  .cta-band__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-header.is-stuck .brand-row__inner{height:52px}
  .site-header.is-stuck .channel-row__inner{height:42px}
}

/* roulang page: category4 */
:root{
  --c-primary:#0E6E63;
  --c-primary-600:#0A564D;
  --c-primary-050:#E5F2EF;
  --c-accent:#FF6B2C;
  --c-accent-050:#FFF0E8;
  --c-ink:#0B1F1C;
  --c-ink-2:#2E4642;
  --c-muted:#6B807B;
  --c-bg:#F4F7F6;
  --c-bg-alt:#EAF2F0;
  --c-line:#DCE7E4;
  --c-dark:#07211D;
  --grad-brand:linear-gradient(118deg,#0E6E63 0%,#14907F 48%,#FF6B2C 118%);
  --sh-1:0 2px 8px rgba(7,33,29,.05);
  --sh-2:0 10px 28px rgba(7,33,29,.09);
  --sh-3:0 18px 48px rgba(7,33,29,.14);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --ease:.22s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-primary-600);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.32;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:28px;}
h3{font-size:20px;}
h4{font-size:17px;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 通用按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn--primary{background-image:var(--grad-brand);background-size:160% 100%;background-position:0 0;color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{color:#fff;background-position:100% 0;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line);}
.btn--ghost:hover{color:var(--c-primary-600);border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;}
.btn--onDark{background:#fff;color:var(--c-dark);}
.btn--onDark:hover{color:var(--c-dark);box-shadow:var(--sh-2);transform:translateY(-2px);}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge--soft{background:var(--c-primary-050);color:var(--c-primary-600);}
.badge--live{background:var(--c-accent);color:#fff;}
.badge--outline{
  background:#fff;color:var(--c-primary-600);
  border:1px solid var(--c-primary);
  background-image:linear-gradient(118deg,rgba(14,110,99,.10),rgba(255,107,44,.12));
}
.dot{
  width:6px;height:6px;border-radius:50%;background:#fff;display:inline-block;
  animation:pulse 1.6s infinite ease-in-out;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.7);}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.brand-row{border-bottom:1px solid var(--c-line);transition:padding var(--ease);}
.brand-row__inner{
  display:flex;align-items:center;gap:24px;
  height:64px;transition:height var(--ease);
}
.site-header.is-scrolled .brand-row__inner{height:52px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto;}
.logo:hover{color:var(--c-ink);}
.logo__mark{
  width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background-image:var(--grad-brand);color:#fff;font-size:16px;box-shadow:var(--sh-1);flex:0 0 auto;
}
.logo__text{display:flex;flex-direction:column;line-height:1.2;}
.logo__name{font-size:16px;font-weight:700;letter-spacing:.2px;}
.logo__sub{font-size:12px;color:var(--c-muted);}
.brand-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;
  height:44px;border:1px solid var(--c-line);border-radius:999px;background:var(--c-bg);
  padding:0 6px 0 18px;transition:border-color var(--ease),box-shadow var(--ease);
}
.brand-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,110,99,.14);}
.brand-search input{
  flex:1 1 auto;border:0;background:transparent;height:40px;font-size:14px;color:var(--c-ink);outline:none;
}
.brand-search input::placeholder{color:var(--c-muted);}
.brand-search button{
  width:34px;height:34px;border:0;border-radius:50%;background:var(--c-primary-050);color:var(--c-primary);
  cursor:pointer;transition:background var(--ease),color var(--ease);
}
.brand-search button:hover{background:var(--c-primary);color:#fff;}
.brand-row__actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.icon-btn{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-primary);cursor:pointer;transition:background var(--ease),color var(--ease);
}
.icon-btn:hover{background:var(--c-primary-050);}
.search-drawer{display:none;padding:12px 24px;border-top:1px solid var(--c-line);background:#fff;}
.search-drawer.is-open{display:block;}
.brand-search--drawer{max-width:100%;}
.channel-row{background:#fff;}
.channel-row__inner{display:flex;align-items:center;gap:20px;height:48px;transition:height var(--ease);}
.site-header.is-scrolled .channel-row__inner{height:44px;}
.channel-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.channel-list a{
  display:inline-block;padding:8px 14px;border-radius:999px;font-size:15px;color:var(--c-ink-2);
  white-space:nowrap;position:relative;transition:background var(--ease),color var(--ease);
}
.channel-list a:hover{background:var(--c-primary-050);color:var(--c-primary-600);}
.channel-list a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;}
.channel-list a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);
}
.hot-tags{display:flex;align-items:center;gap:8px;flex:0 0 auto;font-size:13px;color:var(--c-muted);}
.hot-tags span{white-space:nowrap;}
.hot-tags a{
  display:inline-block;padding:3px 12px;border-radius:999px;background:var(--c-bg-alt);
  color:var(--c-ink-2);font-size:12px;white-space:nowrap;transition:background var(--ease),color var(--ease);
}
.hot-tags a:hover{background:var(--c-primary-050);color:var(--c-primary-600);}
.site-header.is-scrolled .hot-tags{display:none;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);padding:12px 0;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-line);}
.crumb .current{color:var(--c-primary);font-weight:600;}

/* ---------- 分类横幅 ---------- */
.cat-hero{
  position:relative;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(244,247,246,.97) 0%,rgba(234,242,240,.86) 52%,rgba(229,242,239,.6) 100%);
}
.cat-hero__inner{position:relative;padding:64px 0 56px;max-width:800px;}
.cat-hero h1{font-size:40px;margin-bottom:16px;}
.cat-hero h1 .accent{color:var(--c-primary);}
.cat-hero p{font-size:17px;color:var(--c-ink-2);max-width:660px;}
.cat-hero__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:20px;
  font-size:14px;color:var(--c-muted);
}
.cat-hero__meta i{color:var(--c-primary);margin-right:6px;}
.stat-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.stat-pill{
  display:inline-flex;align-items:baseline;gap:8px;height:44px;padding:0 20px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.stat-pill b{font-size:20px;font-weight:800;color:var(--c-primary-600);font-variant-numeric:tabular-nums;}
.stat-pill span{font-size:13px;color:var(--c-muted);}

/* ---------- 板块通用 ---------- */
.section{padding:80px 0;}
.section--tight{padding:56px 0 80px;}
.section--alt{background:var(--c-bg-alt);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--c-muted);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--c-primary);letter-spacing:.5px;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background-image:var(--grad-brand);}

/* ---------- 分段切换 ---------- */
.tabs-nav{
  display:flex;gap:8px;overflow-x:auto;padding:6px;background:#fff;border:1px solid var(--c-line);
  border-radius:999px;box-shadow:var(--sh-1);margin-bottom:32px;scrollbar-width:none;
}
.tabs-nav::-webkit-scrollbar{display:none;}
.tab-btn{
  flex:0 0 auto;height:40px;padding:0 22px;border-radius:999px;border:0;background:transparent;
  color:var(--c-ink-2);font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.tab-btn:hover{background:var(--c-primary-050);color:var(--c-primary-600);}
.tab-btn.is-active{background-image:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}
.tab-panel{display:none;}
.tab-panel.is-active{display:block;animation:fadeUp .32s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}

/* ---------- 单列大图卡 ---------- */
.feature-list{display:flex;flex-direction:column;gap:24px;}
.feature-card{
  display:flex;gap:28px;align-items:center;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.feature-card:nth-of-type(even){flex-direction:row-reverse;}
.feature-card__media{
  flex:0 0 44%;border-radius:var(--r-md);overflow:hidden;position:relative;background:var(--c-bg-alt);
}
.feature-card__media::before{content:"";display:block;padding-top:56.25%;}
.feature-card__media img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform var(--ease);
}
.feature-card:hover .feature-card__media img{transform:scale(1.03);}
.feature-card__body{flex:1 1 auto;min-width:0;padding:4px 8px;}
.feature-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.feature-card__body h3{font-size:22px;margin-bottom:10px;}
.feature-card__body p{color:var(--c-ink-2);font-size:15px;margin-bottom:16px;}
.feature-card__foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:13px;color:var(--c-muted);
  padding-top:14px;border-top:1px solid var(--c-line);
}
.feature-card__foot i{margin-right:6px;color:var(--c-primary);}
.feature-card__foot .more{margin-left:auto;font-weight:600;color:var(--c-primary);}

/* ---------- 排期节奏 ---------- */
.rhythm-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rhythm-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:26px 24px;
  box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rhythm-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-primary);}
.rhythm-card__no{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;
  background:var(--c-primary-050);color:var(--c-primary-600);font-weight:800;font-size:15px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.rhythm-card h4{margin-bottom:8px;font-size:18px;}
.rhythm-card p{color:var(--c-muted);font-size:14px;margin:0;}

/* ---------- 提醒订阅条 ---------- */
.subscribe{background:var(--c-dark);color:#E8F1EF;padding:52px 0;}
.subscribe__inner{display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between;}
.subscribe__text{flex:1 1 320px;min-width:0;}
.subscribe__text h3{color:#fff;font-size:24px;margin-bottom:8px;}
.subscribe__text p{margin:0;color:#A9C3BE;font-size:14px;}
.subscribe__form{display:flex;gap:12px;flex:1 1 380px;max-width:520px;}
.subscribe__form input{
  flex:1 1 auto;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.07);color:#fff;padding:0 16px;font-size:15px;outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.subscribe__form input::placeholder{color:#8FA8A3;}
.subscribe__form input:focus{border-color:#14907F;box-shadow:0 0 0 3px rgba(20,144,127,.28);}
.subscribe__note{margin-top:14px;font-size:13px;color:#8FA8A3;}
.subscribe__note i{margin-right:6px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:8px;max-width:860px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.faq-item:hover{border-color:var(--c-primary);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--c-ink);transition:color var(--ease);
}
.faq-q:hover{color:var(--c-primary-600);}
.faq-q .faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--c-primary-050);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(45deg);background:var(--c-accent);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a__inner{padding:0 22px 22px;color:var(--c-ink-2);font-size:16px;line-height:1.8;}
.faq-item.is-open .faq-a{max-height:320px;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:40px;display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background-image:var(--grad-brand);
}
.cta-band__text{flex:1 1 340px;min-width:0;}
.cta-band__text h2{font-size:26px;margin-bottom:10px;}
.cta-band__text p{margin:0;color:var(--c-muted);font-size:15px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#B9CFCA;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo__name{color:#fff;}
.footer-brand .logo__sub{color:#8FA8A3;}
.footer-brand p{font-size:14px;color:#9DB8B3;margin:18px 0 20px;max-width:320px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#9DB8B3;}
.footer-contact i{color:#14907F;margin-right:8px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:#B9CFCA;font-size:14px;transition:color var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:13px;color:#8FA8A3;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .feature-card__media{flex:0 0 42%;}
}
@media screen and (max-width:1023px){
  h1,.cat-hero h1{font-size:32px;}
  .section{padding:64px 0;}
  .brand-search{max-width:280px;}
  .hot-tags{display:none;}
  .rhythm-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  .container{padding:0 16px;}
  h1,.cat-hero h1{font-size:26px;}
  h2{font-size:22px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0 48px;}
  .brand-search{display:none;}
  .icon-btn{display:inline-flex;}
  .search-drawer{padding:12px 16px;}
  .brand-row__inner{height:56px;gap:12px;}
  .site-header.is-scrolled .brand-row__inner{height:48px;}
  .channel-row__inner{height:44px;}
  .site-header.is-scrolled .channel-row__inner{height:40px;}
  .logo__sub{display:none;}
  .logo__name{font-size:15px;}
  .cat-hero__inner{padding:44px 0 40px;}
  .feature-card,.feature-card:nth-of-type(even){flex-direction:column;align-items:stretch;gap:18px;}
  .feature-card__media{flex:0 0 auto;width:100%;}
  .feature-card__body{padding:0 4px 4px;}
  .feature-card__body h3{font-size:19px;}
  .stat-pill{height:40px;padding:0 16px;}
  .rhythm-grid{grid-template-columns:1fr;}
  .subscribe{padding:44px 0;}
  .subscribe__inner{flex-direction:column;align-items:stretch;gap:20px;}
  .subscribe__form{flex-direction:column;max-width:100%;}
  .subscribe__form .btn{width:100%;}
  .cta-band{padding:28px 24px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .cat-hero__meta{gap:12px;font-size:13px;}
  .tabs-nav{border-radius:16px;}
  .tab-btn{padding:0 16px;font-size:14px;}
  .faq-q{font-size:16px;padding:16px;}
  .faq-a__inner{padding:0 16px 18px;}
}