/* roulang page: index */
:root{
  --c-primary:#0F6B5B;
  --c-primary-deep:#0A4A3F;
  --c-primary-soft:#E4F1EE;
  --c-accent:#D97742;
  --c-accent-soft:#FBEADF;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DED4;
  --c-ink:#17211F;
  --c-ink-2:#5A6763;
  --c-ink-3:#8B968F;
  --c-dark:#0B2A25;
  --c-ok:#1F8A5F;
  --c-warn:#C24A38;
  --shadow-1:0 1px 2px rgba(11,42,37,.05);
  --shadow-2:0 8px 24px -12px rgba(11,42,37,.14);
  --shadow-3:0 18px 40px -18px rgba(11,42,37,.22);
  --r-btn:10px;
  --r-card:16px;
  --r-big:20px;
}
*,*::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:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;letter-spacing:.2px;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep);}
::-webkit-scrollbar{width:6px;height:6px;}
::-webkit-scrollbar-thumb{background:rgba(15,107,91,.2);border-radius:6px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:600;position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--c-primary);}
.section-sub{margin-top:10px;font-size:15px;color:var(--c-ink-2);padding-left:16px;}
.section-link{font-size:14px;color:var(--c-primary);font-weight:600;white-space:nowrap;}
.section-link:hover{text-decoration:underline;}

/* 顶栏 */
.topbar{background:var(--c-dark);color:rgba(255,255,255,.8);font-size:13px;}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar a{color:rgba(255,255,255,.8);}
.topbar a:hover{color:#fff;}
.topbar-right{display:flex;align-items:center;gap:20px;}

/* 主导航 */
.site-nav{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid transparent;transition:box-shadow .22s ease-out,border-color .22s ease-out;}
.site-nav.scrolled{border-bottom-color:var(--c-line);box-shadow:var(--shadow-1);}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;letter-spacing:.3px;}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:.5px;}
.logo-text{color:var(--c-ink);}
.logo-text b{font-weight:700;}
.nav-links{display:flex;align-items:center;gap:30px;font-size:15px;}
.nav-links a{position:relative;padding:26px 0;color:var(--c-ink-2);transition:color .18s ease-out;}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a.active{color:var(--c-primary);font-weight:600;}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;border-radius:2px;background:var(--c-primary);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;color:var(--c-ink-2);border:1px solid var(--c-line);background:#fff;transition:color .18s,border-color .18s,background-color .18s;}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft);}
.burger{display:none;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#C2662F;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-light-outline{border:1px solid rgba(255,255,255,.42);color:#fff;}
.btn-light-outline:hover{background:rgba(255,255,255,.12);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* Hero */
.hero{position:relative;overflow:hidden;padding:80px 0 88px;}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(15,107,91,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(15,107,91,.05) 1px,transparent 1px);background-size:46px 46px;pointer-events:none;}
.hero::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(15,107,91,.09),rgba(15,107,91,0) 68%);top:-140px;right:-120px;pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:13px;font-weight:600;margin-bottom:22px;}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.hero h1{font-size:clamp(30px,4.4vw,52px);font-weight:600;line-height:1.2;letter-spacing:.4px;}
.hero-lead{margin-top:20px;font-size:17px;color:var(--c-ink-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px;padding-top:28px;border-top:1px solid var(--c-line);}
.fact-num{font-family:"Inter","IBM Plex Sans",ui-sans-serif;font-size:26px;font-weight:600;color:var(--c-primary);letter-spacing:-.4px;}
.fact-label{font-size:13px;color:var(--c-ink-3);margin-top:2px;}
.hero-figure{position:relative;}
.hero-figure .halo{position:absolute;inset:-28px -28px -28px 28px;border-radius:50%;background:radial-gradient(circle,rgba(15,107,91,.10),rgba(15,107,91,0) 70%);}
.hero-figure img{position:relative;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-big);box-shadow:var(--shadow-2);}
.hero-figure .tag-panel{position:absolute;left:-18px;bottom:24px;background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-2);}
.hero-figure .tag-panel span{display:block;font-size:12px;color:var(--c-ink-3);}
.hero-figure .tag-panel strong{display:block;font-size:16px;color:var(--c-primary-deep);font-weight:600;}

/* 合集目录 */
.catalog{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;}
.catalog-row{display:flex;align-items:center;gap:18px;padding:22px 4px;border-bottom:1px solid var(--c-line);transition:transform .2s ease-out,background-color .2s ease-out;}
.catalog-row:hover{transform:translateX(4px);background:rgba(228,241,238,.45);}
.catalog-row:hover .catalog-num{color:var(--c-primary);}
.catalog-num{font-family:"Inter","IBM Plex Sans",ui-sans-serif;font-size:20px;font-weight:600;color:var(--c-ink-3);width:38px;flex:none;letter-spacing:.5px;}
.catalog-body{flex:1;min-width:0;}
.catalog-title{font-size:18px;font-weight:600;}
.catalog-desc{font-size:14px;color:var(--c-ink-2);margin-top:4px;}
.catalog-arrow{color:var(--c-primary);font-size:18px;flex:none;transition:transform .2s ease-out;}
.catalog-row:hover .catalog-arrow{transform:translateX(3px);}

/* 精选 */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:#D6D0C4;}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:11px;font-weight:600;letter-spacing:.3px;}
.badge-accent{background:var(--c-accent-soft);color:#A2542A;}
.card-media .badge{position:absolute;left:14px;top:14px;}
.card-body{padding:20px 24px 22px;}
.card-title{font-size:19px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-desc{font-size:14px;color:var(--c-ink-2);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-3);}
.card-meta .read{color:var(--c-primary);font-weight:600;}
.card-meta .read:hover{text-decoration:underline;}
.feature-main{grid-row:span 2;display:flex;flex-direction:column;}
.feature-main .card-media{flex:none;aspect-ratio:16/11;}
.feature-main .card-title{font-size:24px;-webkit-line-clamp:3;}
.feature-col{display:flex;flex-direction:column;gap:24px;}
.feature-col .card{flex:1;}
.feature-col .card-media{aspect-ratio:16/9;}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px;}
.mini-grid .card-media{aspect-ratio:16/10;}
.mini-grid .card-title{font-size:17px;}

/* 资讯时间轴 */
.news-list{border-top:1px solid var(--c-line);}
.news-item{display:flex;gap:28px;padding:26px 16px;border-bottom:1px dashed var(--c-line);min-height:96px;transition:background-color .2s ease-out;}
.news-item:hover{background:rgba(228,241,238,.4);}
.news-date{width:88px;flex:none;padding-top:2px;}
.news-date-main{font-family:"Inter","IBM Plex Sans",ui-sans-serif;font-size:14px;font-weight:600;color:var(--c-primary);display:block;letter-spacing:.2px;}
.news-date-note{font-size:12px;color:var(--c-ink-3);display:block;margin-top:4px;}
.news-body{flex:1;min-width:0;}
.news-title{font-size:19px;font-weight:600;line-height:1.45;}
.news-title a:hover{color:var(--c-primary);}
.news-desc{font-size:14.5px;color:var(--c-ink-2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:12px;font-size:13px;color:var(--c-ink-3);}
.news-meta .view{color:var(--c-primary);font-weight:600;}
.news-meta .view:hover{text-decoration:underline;}
.empty-state{background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);padding:56px 24px;text-align:center;}
.empty-state .empty-icon{width:44px;height:44px;margin:0 auto 16px;border-radius:12px;border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-primary);}
.empty-state p{font-size:15px;color:var(--c-ink-2);}
.empty-state .btn{margin-top:20px;}

/* 相关推荐 */
.rec-track{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.rec-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:transform .22s ease-out,box-shadow .22s ease-out;}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);}
.rec-card img{aspect-ratio:3/2;width:100%;object-fit:cover;}
.rec-card .rec-body{padding:16px 18px 18px;}
.rec-card .rec-title{font-size:15.5px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-card .rec-tag{font-size:12px;color:var(--c-ink-3);margin-top:10px;}

/* FAQ */
.faq-list{max-width:860px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;transition:background-color .2s ease-out,border-color .2s ease-out;}
.faq-item+.faq-item{margin-top:12px;}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;width:16px;height:16px;flex:none;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .2s ease-out;}
.faq-icon::before{left:0;right:0;top:7px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px;}
.faq-item[open]{background:rgba(228,241,238,.6);border-color:rgba(15,107,91,.3);}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-answer{padding:0 22px 20px;font-size:15px;color:var(--c-ink-2);line-height:1.85;}

/* CTA 带 */
.cta-band{background:var(--c-dark);border-radius:var(--r-big);padding:48px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;}
.cta-actions{display:flex;gap:14px;flex:none;}

/* 页脚 */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);margin-top:88px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;}
.footer-grid>div+div{border-left:1px solid rgba(255,255,255,.1);padding-left:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;}
.footer-brand .logo-mark{background:var(--c-primary);}
.footer-brand b{font-weight:700;}
.footer-desc{font-size:14px;margin-top:16px;line-height:1.8;color:rgba(255,255,255,.62);}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links li+li{margin-top:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .18s ease-out;}
.footer-links 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:16px;font-size:13px;color:rgba(255,255,255,.5);}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(11,42,37,.4);opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;z-index:80;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;background:#fff;z-index:90;transform:translateX(100%);transition:transform .24s ease-out;display:flex;flex-direction:column;padding:24px;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--c-line);}
.drawer-group{font-size:12px;color:var(--c-ink-3);margin:24px 0 8px;letter-spacing:1px;}
.drawer-link{display:block;padding:14px 0;font-size:18px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer-link.active{color:var(--c-primary);}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* 提示条 */
.toast{position:fixed;left:50%;bottom:36px;transform:translate(-50%,16px);background:var(--c-dark);color:#fff;font-size:14px;padding:12px 22px;border-radius:999px;opacity:0;visibility:hidden;transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;z-index:120;}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0);}

@media (max-width:1024px){
  .wrap{padding:0 24px;}
  .section{padding:72px 0;}
  .hero{padding:64px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-figure{order:-1;}
  .hero-figure img{aspect-ratio:16/10;}
  .catalog{grid-template-columns:1fr;gap:0;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-main{grid-row:auto;}
  .feature-col{flex-direction:row;}
  .mini-grid{grid-template-columns:repeat(2,1fr);}
  .rec-track{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-grid>div+div{border-left:none;padding-left:0;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  .nav-links,.nav-actions .btn{display:none;}
  .burger{display:grid;}
  .nav-inner{height:60px;}
  .topbar-right span.optional{display:none;}
  .hero-facts{grid-template-columns:1fr;gap:16px;}
  .fact-num{font-size:22px;}
  .feature-col{flex-direction:column;}
  .mini-grid{grid-template-columns:1fr;}
  .news-item{flex-direction:column;gap:10px;padding:22px 8px;}
  .news-date{width:auto;display:flex;align-items:center;gap:8px;}
  .news-date-note{margin-top:0;}
  .cta-band{padding:36px 24px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand{justify-content:center;}
  .footer-bottom{flex-direction:column;text-align:center;}
}
@media (max-width:640px){
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .hero{padding:48px 0 56px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .rec-track{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding-bottom:8px;}
  .rec-card{min-width:74%;scroll-snap-align:start;}
  .hero-figure .tag-panel{left:12px;bottom:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F6B5B;
  --c-primary-deep:#0A4A3F;
  --c-primary-soft:#E4F1EE;
  --c-accent:#D97742;
  --c-accent-soft:#FBEADF;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DED4;
  --c-ink:#17211F;
  --c-ink-2:#5A6763;
  --c-ink-3:#8B968F;
  --c-dark:#0B2A25;
  --c-ok:#1F8A5F;
  --c-warn:#C24A38;
  --shadow-1:0 1px 2px rgba(11,42,37,.05);
  --shadow-2:0 8px 24px -12px rgba(11,42,37,.14);
  --shadow-3:0 18px 40px -18px rgba(11,42,37,.22);
  --r-btn:10px;
  --r-card:16px;
  --r-band:20px;
  --r-img:12px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
::selection{background:var(--c-primary-soft);color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
*::-webkit-scrollbar{width:6px;height:6px;}
*::-webkit-scrollbar-thumb{background:rgba(15,107,91,.2);border-radius:999px;}
*::-webkit-scrollbar-track{background:transparent;}
.num{font-family:"Inter","IBM Plex Sans",ui-sans-serif,sans-serif;font-variant-numeric:tabular-nums;}

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

/* ============ 顶栏 ============ */
.topbar{background:var(--c-dark);color:rgba(255,255,255,.82);font-size:13px;height:36px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;width:100%;}
.topbar-note{display:flex;align-items:center;gap:8px;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.topbar-links{display:flex;align-items:center;gap:20px;}
.topbar-links a{color:rgba(255,255,255,.82);transition:color .2s ease-out;}
.topbar-links a:hover{color:#fff;}

/* ============ 主导航 ============ */
.site-nav{
  position:sticky;top:0;z-index:50;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:border-color .22s ease-out,box-shadow .22s ease-out;
}
.site-nav.scrolled{border-bottom-color:var(--c-line);box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:"Inter",ui-sans-serif,sans-serif;font-size:13px;font-weight:700;letter-spacing:.02em;
}
.logo-text{font-size:19px;color:var(--c-ink);letter-spacing:.01em;}
.logo-text b{font-weight:700;color:var(--c-primary);}
.nav-links{display:flex;align-items:center;gap:28px;font-size:15px;}
.nav-links a{position:relative;padding:6px 0;color:var(--c-ink-2);transition:color .2s ease-out;}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a.active{color:var(--c-primary);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--c-primary);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:36px;height:36px;border-radius:9px;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-ink-2);
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.burger{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:background .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .18s ease-out,box-shadow .22s ease-out;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--c-surface);border-color:var(--c-line);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#C26736;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-onDark{background:transparent;border-color:rgba(255,255,255,.32);color:#fff;}
.btn-onDark:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:11px;font-weight:600;letter-spacing:.03em;
}
.badge-accent{background:var(--c-accent-soft);color:#A85427;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  background:var(--c-bg);color:var(--c-primary);
  font-size:13px;border:1px solid var(--c-line);
  transition:border-color .2s ease-out,background .2s ease-out;
}
.tag:hover{border-color:var(--c-primary);background:var(--c-primary-soft);}

/* ============ 面包屑 ============ */
.crumb{padding:20px 0 4px;font-size:13px;color:var(--c-ink-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li::after{content:"/";margin-left:8px;color:var(--c-line);}
.crumb li:last-child::after{content:"";}
.crumb a{color:var(--c-ink-3);transition:color .2s ease-out;}
.crumb a:hover{color:var(--c-primary);}
.crumb .current{color:var(--c-primary);font-weight:600;}

/* ============ 分类页头 ============ */
.page-head-sec{padding:20px 0 0;}
.page-head{
  position:relative;overflow:hidden;
  background:var(--c-dark);color:#fff;
  border-radius:var(--r-band);
  padding:44px 48px;
  display:grid;grid-template-columns:1.45fr .85fr;gap:40px;align-items:center;
  min-height:290px;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:34px 34px;pointer-events:none;
}
.page-head::after{
  content:"";position:absolute;right:-90px;top:-110px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,119,66,.16),transparent 66%);pointer-events:none;
}
.page-head > *{position:relative;z-index:1;}
.page-head .hh{margin-bottom:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.page-head .hh .badge{background:rgba(228,241,238,.14);color:#B6E3D8;}
.page-head h1{
  font-size:clamp(28px,3.4vw,42px);font-weight:600;line-height:1.25;letter-spacing:.01em;
}
.page-head h1 em{font-style:normal;color:#F0B48B;}
.page-head .lede{margin-top:14px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.76);max-width:560px;}
.head-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;}
.head-figure{border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(255,255,255,.14);}
.head-figure img{width:100%;height:196px;object-fit:cover;}

/* ============ 统计条 ============ */
.stats{
  margin-top:24px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  display:grid;grid-template-columns:repeat(3,1fr);
  box-shadow:var(--shadow-1);
}
.stat{padding:20px 26px;position:relative;}
.stat + .stat::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:1px;background:var(--c-line);}
.stat .sv{font-size:26px;font-weight:600;color:var(--c-primary);line-height:1.2;}
.stat .sv.alt{color:var(--c-accent);}
.stat .sl{margin-top:6px;font-size:13px;color:var(--c-ink-2);}

/* ============ 通用板块 ============ */
.sec{padding:72px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:600;line-height:1.3;position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--c-primary);}
.sec-head .sub{margin-top:8px;font-size:14px;color:var(--c-ink-2);padding-left:16px;max-width:640px;}
.text-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease-out;}
.text-link:hover{gap:10px;}

/* ============ 合集目录 ============ */
.cat-list{
  display:grid;grid-template-columns:1fr 1fr;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;
}
.cat-row{
  display:grid;grid-template-columns:48px 1fr 20px;gap:16px;align-items:start;
  padding:22px 26px;border-bottom:1px solid var(--c-line);
  position:relative;transition:transform .22s ease-out,background .22s ease-out;
}
.cat-row:nth-child(odd){border-right:1px solid var(--c-line);}
.cat-row::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;background:var(--c-primary);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease-out;
}
.cat-row:hover{background:rgba(228,241,238,.45);transform:translateX(4px);}
.cat-row:hover::before{transform:scaleY(1);}
.cat-row .idx{font-size:15px;font-weight:600;color:var(--c-ink-3);letter-spacing:.04em;transition:color .22s ease-out;}
.cat-row:hover .idx{color:var(--c-primary);}
.cat-row h3{font-size:17px;font-weight:600;line-height:1.45;}
.cat-row p{margin-top:6px;font-size:14px;color:var(--c-ink-2);line-height:1.7;}
.cat-row .arrow{color:var(--c-ink-3);font-size:16px;transition:color .22s ease-out,transform .22s ease-out;}
.cat-row:hover .arrow{color:var(--c-primary);transform:translateX(3px);}

/* ============ 精选条目 ============ */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:rgba(15,107,91,.28);}
.card-main .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft);}
.card-main .thumb img{width:100%;height:100%;object-fit:cover;}
.card-main .thumb .badge{position:absolute;left:16px;top:16px;}
.card-body{padding:24px;}
.card-main h3{font-size:23px;font-weight:600;line-height:1.4;}
.card-main .desc{margin-top:12px;font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.meta{margin-top:18px;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--c-ink-3);flex-wrap:wrap;}
.meta .sep{width:1px;height:12px;background:var(--c-line);}

/* 时间条 */
.timeline{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:8px 24px;}
.tl-item{display:grid;grid-template-columns:88px 1fr;gap:16px;padding:20px 0;border-bottom:1px dashed var(--c-line);transition:background .2s ease-out;}
.tl-item:last-child{border-bottom:0;}
.tl-item:hover{background:rgba(228,241,238,.45);}
.tl-date{text-align:left;}
.tl-date .y{font-size:12px;color:var(--c-ink-3);letter-spacing:.04em;}
.tl-date .d{font-size:17px;font-weight:600;color:var(--c-primary);line-height:1.3;}
.tl-item h3{font-size:16px;font-weight:600;line-height:1.5;}
.tl-item p{margin-top:6px;font-size:13.5px;color:var(--c-ink-2);line-height:1.7;}
.tl-tags{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap;}

/* ============ 流程 ============ */
.flow{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
.flow-step{padding:30px 28px;position:relative;}
.flow-step + .flow-step::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:1px;background:var(--c-line);}
.flow-step .fno{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:14px;font-weight:700;letter-spacing:.02em;margin-bottom:16px;
}
.flow-step h3{font-size:18px;font-weight:600;}
.flow-step p{margin-top:10px;font-size:14px;color:var(--c-ink-2);line-height:1.8;}
.flow-step ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.flow-step li{position:relative;padding-left:16px;font-size:13.5px;color:var(--c-ink-2);}
.flow-step li::before{content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);opacity:.55;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.6fr;gap:40px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
  transition:border-color .22s ease-out,background .22s ease-out;
}
.faq-item.open{border-color:rgba(15,107,91,.3);background:rgba(228,241,238,.6);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-icon{
  width:22px;height:22px;flex:0 0 auto;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:15px;font-weight:700;
  transition:transform .22s ease-out;
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--c-ink-2);line-height:1.8;}

/* ============ 相关推荐 ============ */
.reco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.mini{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:transform .22s ease-out,box-shadow .22s ease-out;}
.mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);}
.mini .thumb{aspect-ratio:3/2;overflow:hidden;background:var(--c-primary-soft);}
.mini .thumb img{width:100%;height:100%;object-fit:cover;}
.mini .mb{padding:18px 20px;}
.mini h3{font-size:16px;font-weight:600;line-height:1.5;}
.mini p{margin-top:8px;font-size:13.5px;color:var(--c-ink-2);line-height:1.7;}
.mini .mlink{margin-top:12px;font-size:13px;font-weight:600;color:var(--c-primary);}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-dark);color:#fff;border-radius:var(--r-band);
  padding:48px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,107,91,.4),transparent 68%);pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(20px,2.3vw,28px);font-weight:600;line-height:1.35;}
.cta-band p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.72);max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{margin-top:88px;background:var(--c-dark);color:rgba(255,255,255,.74);font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:56px 0 36px;}
.footer-grid > div + div{border-left:1px solid rgba(255,255,255,.08);padding-left:28px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;margin-bottom:14px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand b{color:#fff;font-weight:700;}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px;}
.footer-title{font-size:13px;letter-spacing:.06em;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:13.5px;}
.footer-links a,.footer-links li{color:rgba(255,255,255,.7);transition:color .2s ease-out;}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 34px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;
}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,37,.4);opacity:0;visibility:hidden;
  transition:opacity .22s ease-out,visibility .22s ease-out;z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:380px;background:var(--c-surface);
  z-index:90;transform:translateX(102%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;padding:22px 24px 28px;
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--c-line);}
.drawer-nav{margin-top:24px;display:flex;flex-direction:column;gap:4px;}
.drawer-nav .dlabel{font-size:12px;letter-spacing:.08em;color:var(--c-ink-3);margin:12px 0 6px;}
.drawer-nav a{font-size:18px;font-weight:600;padding:12px 0;border-bottom:1px solid var(--c-line);color:var(--c-ink);}
.drawer-nav a.active{color:var(--c-primary);}
.drawer-foot{margin-top:auto;padding-top:24px;}
.drawer-foot .btn{width:100%;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .wrap{padding:0 24px;}
  .nav-links{display:none;}
  .burger{display:flex;}
  .page-head{grid-template-columns:1fr;padding:36px 32px;min-height:0;gap:26px;}
  .head-figure img{height:180px;}
  .feature-grid{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:24px;}
  .reco-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid > div + div{border-left:0;padding-left:0;}
  .flow{grid-template-columns:1fr;}
  .flow-step + .flow-step::before{left:24px;right:24px;top:0;bottom:auto;width:auto;height:1px;}
}
@media (max-width:768px){
  .wrap{padding:0 20px;}
  .nav-inner{height:60px;}
  .nav-actions .btn{display:none;}
  .sec{padding:56px 0 0;}
  .cat-list{grid-template-columns:1fr;}
  .cat-row:nth-child(odd){border-right:0;}
  .stats{grid-template-columns:1fr;}
  .stat + .stat::before{left:20px;right:20px;top:0;bottom:auto;width:auto;height:1px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .reco-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand{justify-content:center;}
  .footer-desc{text-align:center;margin:0 auto;}
  .footer-title,.footer-links{text-align:center;}
  .footer-bottom{justify-content:center;text-align:center;}
  .head-actions .btn{width:100%;}
  .tl-item{grid-template-columns:1fr;gap:8px;}
}
@media (max-width:520px){
  .page-head{padding:28px 20px;}
  .card-body{padding:20px;}
  .card-main h3{font-size:20px;}
  .cat-row{padding:18px 18px;grid-template-columns:36px 1fr 16px;gap:12px;}
  .stats .stat{padding:16px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: article */
:root{
  --c-primary:#0F6B5B;
  --c-primary-deep:#0A4A3F;
  --c-primary-soft:#E4F1EE;
  --c-accent:#D97742;
  --c-accent-soft:#FBEADF;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DED4;
  --c-ink:#17211F;
  --c-ink-2:#5A6763;
  --c-ink-3:#8B968F;
  --c-dark:#0B2A25;
  --c-ok:#1F8A5F;
  --c-warn:#C24A38;
  --shadow-1:0 1px 2px rgba(11,42,37,.05);
  --shadow-2:0 8px 24px -12px rgba(11,42,37,.14);
  --shadow-3:0 18px 40px -18px rgba(11,42,37,.22);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --nav-h:72px;
}
*,*::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:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep)}
body::-webkit-scrollbar{width:6px;height:6px}
body::-webkit-scrollbar-thumb{background:rgba(15,107,91,.25);border-radius:999px}
body::-webkit-scrollbar-track{background:transparent}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-family:"Inter","IBM Plex Sans",ui-sans-serif;font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-nav{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-nav.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;gap:24px;height:var(--nav-h)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;letter-spacing:.5px;
  font-family:"Inter","IBM Plex Sans",ui-sans-serif;
}
.logo-text{font-size:19px;font-weight:400;color:var(--c-ink);letter-spacing:.2px}
.logo-text b{font-weight:600;color:var(--c-primary-deep)}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-links a{
  font-size:15px;color:var(--c-ink-2);position:relative;
  padding:6px 0;transition:color .18s ease-out;
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-ink-2);border:1px solid var(--c-line);background:var(--c-surface);
  transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform .18s ease-out,background .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border:1px solid var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#c46736;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-dark-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-dark-ghost:hover{background:rgba(255,255,255,.12)}
.burger{display:none}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,37,.4);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:360px;
  background:#fff;z-index:90;padding:22px 24px 32px;
  transform:translateX(100%);transition:transform .22s ease-out;
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-group{font-size:12px;color:var(--c-ink-3);letter-spacing:1px;margin:18px 0 8px}
.drawer-nav a{
  display:block;font-size:19px;font-weight:600;color:var(--c-ink);
  padding:12px 0;border-bottom:1px solid var(--c-line);
}
.drawer-nav a:hover{color:var(--c-primary)}
.drawer .btn{width:100%;margin-top:26px}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 4px;font-size:13px;color:var(--c-ink-3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li::after{content:"/";margin-left:8px;color:var(--c-line)}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb .cur{color:var(--c-primary);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}

/* ---------- 文章头 ---------- */
.article-main{padding:12px 0 88px}
.article-shell{max-width:760px;margin:0 auto}
.article-head{padding-bottom:28px;border-bottom:1px solid var(--c-line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1px;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:999px;padding:5px 12px;
}
.article-title{
  font-size:clamp(28px,3.4vw,40px);
  font-weight:600;line-height:1.3;letter-spacing:.2px;
  margin:16px 0 16px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-3)}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line)}
.meta-row .cat{color:var(--c-primary);font-weight:600}
.article-cover{
  margin-top:28px;border-radius:12px;overflow:hidden;
  background:var(--c-primary-soft);box-shadow:var(--shadow-1);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{font-size:13px;color:var(--c-ink-3);padding:10px 4px 0}

/* ---------- 正文排版 ---------- */
.article-body{padding:36px 0 8px;font-size:17px;line-height:1.9;color:#22302D}
.article-body > * + *{margin-top:1.2em}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);font-weight:600;line-height:1.35;
  color:var(--c-ink);margin-top:44px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--c-primary-deep);margin-top:32px}
.article-body p{color:#22302D}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(15,107,91,.35)}
.article-body a:hover{border-bottom-color:var(--c-primary)}
.article-body ul,.article-body ol{padding-left:2px}
.article-body ul li{position:relative;padding-left:20px;margin-top:10px}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;
  border-radius:50%;background:var(--c-primary);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:26px;margin-top:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;color:var(--c-primary);
  font-family:"Inter","IBM Plex Sans",ui-sans-serif;font-size:14px;font-weight:600;
}
.article-body blockquote{
  background:var(--c-bg);border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;padding:20px 22px;color:var(--c-ink-2);
}
.article-body blockquote p{margin:0;color:var(--c-ink-2)}
.article-body img{border-radius:12px;margin:8px auto}
.article-body figure figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin-top:8px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-bg);font-weight:600;color:var(--c-primary-deep)}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:36px 0}
.article-body code{
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  border-radius:6px;padding:2px 6px;font-size:15px;
}
.empty-state{
  margin:32px 0;padding:38px 28px;text-align:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
}
.empty-state h2{font-size:20px;font-weight:600}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin:10px 0 20px}

/* ---------- 标签 + 收藏分享 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;padding:30px 0 0;border-top:1px solid var(--c-line);margin-top:34px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;background:var(--c-bg);color:var(--c-primary);
  font-size:13px;font-weight:600;border:1px solid var(--c-line);
  transition:background .18s ease-out,border-color .18s ease-out;
}
.tag:hover{background:var(--c-primary-soft);border-color:var(--c-primary)}
.article-body + .tag-row{margin-top:40px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;margin:44px 0 0;border-radius:var(--r-lg);overflow:hidden;
  background:var(--c-dark);color:#fff;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  opacity:.16;mix-blend-mode:luminosity;
}
.cta-inner{position:relative;display:flex;align-items:center;gap:32px;padding:40px 36px}
.cta-inner h2{font-size:22px;font-weight:600;line-height:1.4}
.cta-inner p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.72)}
.cta-actions{margin-left:auto;display:flex;gap:12px;flex:0 0 auto}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 8px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:600;line-height:1.3}
.section-head .more{font-size:14px;color:var(--c-primary);font-weight:600}
.section-head .more:hover{text-decoration:underline}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:#d6d0c4}
.card-media{position:relative;background:var(--c-primary-soft)}
.card-media img{width:100%;aspect-ratio:3/2;object-fit:cover}
.card-media .badge{
  position:absolute;left:12px;top:12px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:11px;font-weight:600;letter-spacing:.4px;
  border-radius:999px;padding:4px 10px;
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5}
.card-body p{font-size:14px;color:var(--c-ink-2);line-height:1.7;flex:1}
.card-foot{font-size:13px;color:var(--c-ink-3);display:flex;align-items:center;gap:8px}
.card-foot .arrow{color:var(--c-primary);font-weight:600;margin-left:auto}

/* ---------- 返回 ---------- */
.back-row{display:flex;flex-wrap:wrap;gap:12px;padding:56px 0 0;border-top:1px solid var(--c-line);margin-top:64px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);margin-top:64px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-grid > div + div{border-left:1px solid rgba(255,255,255,.1);padding-left:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:400}
.footer-brand b{font-weight:600;color:#fff}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:300px}
.footer-title{font-size:13px;letter-spacing:1px;color:#fff;font-weight:600;margin-bottom:14px}
.footer-links li{font-size:14px;margin-bottom:10px;color:rgba(255,255,255,.66)}
.footer-links a{transition:color .18s ease-out}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

@media (max-width:1024px){
  .wrap{padding:0 24px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .footer-grid > div:nth-child(3){border-left:none;padding-left:0}
}
@media (max-width:768px){
  :root{--nav-h:60px}
  .wrap{padding:0 20px}
  .nav-links{display:none}
  .burger{display:flex}
  .nav-actions .btn-sm{display:none}
  .logo-text{font-size:17px}
  .article-main{padding-bottom:56px}
  .article-body{font-size:16px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-actions{margin-left:0;width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .related{padding-top:48px}
  .card-grid{grid-template-columns:1fr}
  .back-row .btn{width:100%}
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid > div + div{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.1);padding-top:24px;margin-top:8px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .article-title{font-size:26px}
  .crumb{padding-top:16px}
  .tag{padding:0 12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F6B5B;
  --c-primary-deep:#0A4A3F;
  --c-primary-soft:#E4F1EE;
  --c-accent:#D97742;
  --c-accent-soft:#FBEADF;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DED4;
  --c-ink:#17211F;
  --c-ink-2:#5A6763;
  --c-ink-3:#8B968F;
  --c-dark:#0B2A25;
  --c-ok:#1F8A5F;
  --c-warn:#C24A38;
  --shadow-1:0 1px 2px rgba(11,42,37,.05);
  --shadow-2:0 8px 24px -12px rgba(11,42,37,.14);
  --shadow-3:0 18px 40px -18px rgba(11,42,37,.22);
  --r-btn:10px;
  --r-card:16px;
  --r-band:20px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"Inter","IBM Plex Sans",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
html img{max-width:100%;display:block;height:auto}
html ul,html ol{margin:0;padding:0;list-style:none}
html h1,html h2,html h3,html h4,html p,html figure{margin:0}
html a{color:inherit;text-decoration:none}
html button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
::selection{background:var(--c-primary-soft);color:var(--c-ink)}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(15,107,91,.2);border-radius:3px}

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

/* ---------- 导航 ---------- */
.site-nav{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-nav.scrolled{border-bottom-color:var(--c-line);box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-dark);color:#fff;
  display:grid;place-items:center;font-family:var(--font-num);font-size:12.5px;
  font-weight:600;letter-spacing:.06em;flex:0 0 34px;
}
.logo-text{font-size:19px;color:var(--c-ink);letter-spacing:.01em}
.logo-text b{font-weight:700}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;
  transition:color .18s ease-out;white-space:nowrap;
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--c-ink-2);background:var(--c-surface);
  transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out,transform .18s ease-out;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.icon-btn:active{transform:translateY(0)}
.burger{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost:active{transform:translateY(0);box-shadow:none}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#C4693A;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,37,.4);
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;
  background:var(--c-surface);z-index:90;transform:translateX(100%);
  transition:transform .24s ease-out;display:flex;flex-direction:column;
  padding:24px 24px 32px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--c-line)}
.drawer-group{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-ink-3);margin:24px 0 12px}
.drawer-links{display:grid;gap:6px}
.drawer-links a{
  display:block;padding:12px 14px;border-radius:12px;font-size:17px;font-weight:600;
  color:var(--c-ink);border:1px solid transparent;transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.drawer-links a:hover{background:var(--c-bg)}
.drawer-links a.active{color:var(--c-primary);background:var(--c-primary-soft);border-color:rgba(15,107,91,.18)}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--c-ink-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a{transition:color .18s ease-out}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--c-ink-3)}
.crumb .cur{color:var(--c-primary);font-weight:600}

/* ---------- 分类页头 ---------- */
.cat-head{position:relative;overflow:hidden}
.cat-head::before{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,107,91,.06),rgba(15,107,91,0) 68%);
  pointer-events:none;
}
.cat-head-inner{
  position:relative;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  min-height:290px;padding:24px 0 40px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--c-primary);letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--c-primary);border-radius:2px}
.cat-title{font-size:clamp(28px,3.6vw,44px);line-height:1.25;font-weight:600;letter-spacing:-.01em}
.cat-lead{margin-top:16px;font-size:16px;line-height:1.85;color:var(--c-ink-2);max-width:54ch}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--c-bg);border:1px solid var(--c-line);color:var(--c-primary);
  font-size:13px;font-weight:600;
}
.cat-figure{
  position:relative;border-radius:var(--r-band);overflow:hidden;
  aspect-ratio:16/10;background:var(--c-primary-soft);box-shadow:var(--shadow-3);
}
.cat-figure img{width:100%;height:100%;object-fit:cover}
.cat-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--c-line);padding-top:24px;
}
.stat{position:relative;padding-right:24px}
.stat+.stat{border-left:1px solid var(--c-line);padding-left:24px}
.stat-num{font-family:var(--font-num);font-size:30px;font-weight:600;color:var(--c-primary);line-height:1.2}
.stat-num span{font-size:15px;margin-left:4px}
.stat-label{font-size:13px;color:var(--c-ink-3);margin-top:2px}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-title{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:600;letter-spacing:-.01em}
.sec-sub{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:62ch;line-height:1.8}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--c-primary);flex:0 0 auto;transition:gap .18s ease-out;
}
.link-arrow:hover{gap:10px}

/* ---------- 合集目录 ---------- */
.catalog{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;border-top:1px solid var(--c-line)}
.cat-row{
  position:relative;display:flex;gap:20px;align-items:flex-start;
  padding:24px 4px;border-bottom:1px solid var(--c-line);
  transition:transform .2s ease-out;
}
.cat-row::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:2px;
  background:var(--c-primary);border-radius:2px;opacity:0;transition:opacity .2s ease-out;
}
.cat-row:hover{transform:translateX(4px)}
.cat-row:hover::before{opacity:1}
.cat-num{
  font-family:var(--font-num);font-size:14px;font-weight:600;color:var(--c-ink-3);
  padding-top:6px;min-width:34px;transition:color .2s ease-out;
}
.cat-row:hover .cat-num{color:var(--c-primary)}
.cat-body h3{font-size:19px;font-weight:600;line-height:1.4}
.cat-body p{margin-top:8px;font-size:14px;color:var(--c-ink-2);line-height:1.75}
.cat-arrow{margin-left:auto;color:var(--c-ink-3);padding-top:6px;transition:color .2s ease-out,transform .2s ease-out}
.cat-row:hover .cat-arrow{color:var(--c-primary);transform:translateX(3px)}

/* ---------- 精选条目 ---------- */
.pick-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:#D8D1C6}
.card-media{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:var(--c-primary-soft)}
.card-media img{width:100%;height:100%;object-fit:cover}
.badge{
  position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;height:24px;
  padding:0 10px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);
  font-size:11px;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:var(--c-accent-soft);color:#A85A2E}
.card-title{font-size:20px;font-weight:600;line-height:1.4;margin-top:16px}
.card-title-lg{font-size:24px;line-height:1.35}
.card-desc{margin-top:10px;font-size:14px;color:var(--c-ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--c-ink-3);
}
.card-meta .read{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;transition:gap .18s ease-out}
.card-meta .read:hover{gap:10px}
.mini-list{display:grid;gap:16px;margin-top:16px}
.mini-card{
  display:grid;grid-template-columns:132px 1fr;gap:18px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:16px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:#D8D1C6}
.mini-card img{width:132px;height:88px;object-fit:cover;border-radius:12px;background:var(--c-primary-soft)}
.mini-card h3{font-size:16px;font-weight:600;line-height:1.45}
.mini-card p{margin-top:6px;font-size:13px;color:var(--c-ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 时间条 ---------- */
.timeline{background:var(--c-dark);border-radius:var(--r-band);padding:32px;color:#fff}
.timeline .tl-cap{font-size:12px;font-weight:600;letter-spacing:.1em;color:rgba(255,255,255,.55)}
.timeline h3{font-size:19px;font-weight:600;color:#fff;margin-top:6px}
.timeline .tl-note{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.7}
.tl-list{margin-top:26px}
.tl-item{position:relative;padding-left:26px;margin-left:5px;padding-bottom:24px;border-left:1px solid rgba(255,255,255,.16)}
.tl-item:last-child{border-left-color:transparent;padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-5px;top:7px;width:9px;height:9px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 4px rgba(217,119,66,.18);
}
.tl-step{font-family:var(--font-num);font-size:12px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.6)}
.tl-title{font-size:16px;font-weight:600;margin-top:4px;color:#fff}
.tl-desc{margin-top:6px;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.72)}
.timeline .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);margin-top:26px;width:100%}
.timeline .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
  transition:border-color .2s ease-out,background-color .2s ease-out;
}
.faq-item.open{background:rgba(228,241,238,.6);border-color:rgba(15,107,91,.3)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;text-align:left;line-height:1.5;color:var(--c-ink);
}
.faq-icon{
  position:relative;width:22px;height:22px;flex:0 0 22px;color:var(--c-primary);
  transition:transform .2s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--c-ink-2);line-height:1.85}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.rec-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:#D8D1C6}
.rec-card img{width:100%;aspect-ratio:3/2;object-fit:cover;background:var(--c-primary-soft)}
.rec-body{padding:18px;display:flex;flex-direction:column;gap:8px}
.rec-body h3{font-size:16px;font-weight:600;line-height:1.45}
.rec-body p{font-size:13px;color:var(--c-ink-3);line-height:1.7}
.rec-tag{font-size:12px;font-weight:600;color:var(--c-primary)}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-dark);border-radius:var(--r-band);padding:48px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.3}
.cta-band p{color:rgba(255,255,255,.72);margin-top:10px;font-size:15px;line-height:1.8;max-width:56ch}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:600;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(255,255,255,.12)}
.footer-brand b{font-weight:700}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:36ch}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.6)}
.footer-links a{color:rgba(255,255,255,.72);transition:color .18s ease-out}
.footer-links a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.55);flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .cat-head-inner{grid-template-columns:1fr;gap:28px;min-height:0;padding:16px 0 32px}
  .cat-figure{aspect-ratio:16/9}
  .pick-grid{grid-template-columns:1fr}
  .catalog{gap:0 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .wrap{padding:0 20px}
  .nav-inner{height:60px}
  .nav-links{display:none}
  .burger{display:grid}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .catalog{grid-template-columns:1fr}
  .cat-stats{grid-template-columns:1fr;gap:0}
  .stat{padding:14px 0;border-left:0!important}
  .stat+.stat{border-left:0;border-top:1px solid var(--c-line);padding-left:0}
  .rec-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .cta-band{flex-direction:column;align-items:stretch;padding:32px 24px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .timeline{padding:24px}
}
@media (max-width:520px){
  .cat-title{font-size:26px}
  .card-title-lg{font-size:20px}
  .mini-card{grid-template-columns:1fr}
  .mini-card img{width:100%;height:160px}
  .rec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand{justify-content:flex-start}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .nav-actions .btn-sm{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}