/* roulang page: index */
:root{
  --ink:#101418;
  --ink-2:#2A3138;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --primary:#0E7C66;
  --primary-deep:#0A5A4B;
  --primary-soft:#E3F3EE;
  --accent:#C8F169;
  --alert:#FF6B4A;
  --line:#E4E2DC;
  --muted:#6E6A63;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 8px 24px -12px rgba(16,20,24,.18);
  --shadow-lg:0 24px 48px -24px rgba(16,20,24,.28);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.85;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .16s ease}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary-soft);color:var(--primary-deep)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:48px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--primary);font-weight:600;text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--primary);border-radius:2px}
h1{font-size:44px;line-height:1.15;font-weight:700;letter-spacing:-.02em}
h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:600}
.lead{font-size:18px;line-height:1.8;color:var(--ink-2)}
.muted{color:var(--muted)}
.small{font-size:13px;letter-spacing:.02em}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-domain{font-family:var(--mono);color:rgba(255,255,255,.9)}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.24)}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px}
.topbar-right a{color:rgba(255,255,255,.78)}
.topbar-right a:hover{color:#fff;text-decoration:underline}

/* ===== 主导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,246,242,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;letter-spacing:-.01em}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;font-family:var(--mono)}
.logo-text span{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{position:relative;padding:8px 12px;border-radius:var(--pill);font-size:15px;color:var(--ink-2)}
.nav-links a:hover{background:var(--primary-soft);color:var(--primary-deep)}
.nav-links a.active{color:var(--primary-deep);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--primary)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-nav{display:none;border-top:1px solid var(--line);background:var(--paper);padding:12px 0 20px}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:14px 4px;font-size:16px;border-bottom:1px solid var(--line)}
.mobile-nav .btn{margin-top:16px;width:100%}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;white-space:nowrap}
.btn:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--shadow-md);color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-2px);color:var(--primary-deep)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);color:var(--ink)}
.btn-dark-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn-dark-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);transform:translateY(-2px);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px}
.link-arrow::after{content:"→";transition:transform .16s ease}
.link-arrow:hover{color:var(--primary-deep);text-decoration:underline;text-underline-offset:3px}
.link-arrow:hover::after{transform:translateX(2px)}

/* ===== 徽章 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--pill);font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-live{background:var(--alert);color:#fff}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite}
.badge-soon{background:var(--accent);color:var(--ink)}
.badge-soft{background:var(--paper);color:var(--muted);border:1px solid var(--line)}
.badge-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.18)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:76px 0 84px}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(100deg,rgba(16,20,24,.96) 32%,rgba(16,20,24,.72) 100%),url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;opacity:.92}
.hero::after{content:"";position:absolute;top:-160px;right:-120px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(14,124,102,.9),transparent 62%);opacity:.08;pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-badge{margin-bottom:22px}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(255,255,255,.78);max-width:520px}
.hero-time{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin:30px 0 32px;padding:18px 20px;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);background:rgba(255,255,255,.04);max-width:520px}
.hero-time dt{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.04em}
.hero-time dd{margin:0;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:17px;color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:16/9;background:#000}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media-badges{position:absolute;left:16px;bottom:16px;display:flex;gap:8px;align-items:center}
.hero-media-duration{position:absolute;right:16px;bottom:16px;font-family:var(--mono);font-size:13px;padding:4px 10px;border-radius:var(--pill);background:rgba(16,20,24,.72);color:#fff;backdrop-filter:blur(4px)}

/* ===== 倒计时带 ===== */
.countdown-band{background:#171D24;color:#fff;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.countdown-inner{display:flex;align-items:center;gap:32px;padding:28px 24px;flex-wrap:wrap}
.cd-label{min-width:200px}
.cd-title{font-size:15px;color:rgba(255,255,255,.72)}
.cd-time{font-size:13px;color:rgba(255,255,255,.5);font-family:var(--mono)}
.cd-grid{display:flex;align-items:stretch;gap:0;margin-left:auto}
.cd-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:96px;padding:0 20px;border-left:1px solid rgba(255,255,255,.14)}
.cd-cell:first-child{border-left:0}
.cd-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:44px;line-height:1;font-weight:700;color:#fff}
.cd-cap{font-size:13px;color:rgba(255,255,255,.55);margin-top:8px;letter-spacing:.06em}
.cd-action{margin-left:8px}

/* ===== 看点 ===== */
.spotlight{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.spot-intro p{margin-top:16px;color:var(--ink-2)}
.spot-list{border-top:1px solid var(--line)}
.spot-item{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:24px 12px;border-bottom:1px solid var(--line);transition:background-color .16s ease}
.spot-item:hover{background:var(--card)}
.spot-num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--primary);line-height:1.2}
.spot-body h3{margin-bottom:6px}
.spot-body p{font-size:15px;color:var(--muted);line-height:1.75}
.spot-tag{display:inline-block;margin-top:10px;font-size:13px;color:var(--primary-deep);background:var(--primary-soft);border-radius:var(--pill);padding:2px 12px}

/* ===== 订阅 ===== */
.subscribe-band{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.subscribe-card{background:var(--primary-soft);border-radius:var(--r-lg);padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.subscribe-card h2{font-size:26px;margin-bottom:10px}
.subscribe-card p{color:var(--ink-2);font-size:15px}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe-form input{flex:1 1 220px;height:48px;border:1px solid rgba(14,124,102,.28);border-radius:var(--r-sm);padding:0 16px;background:#fff;transition:border-color .16s ease,box-shadow .16s ease}
.subscribe-form input::placeholder{color:var(--muted)}
.subscribe-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(14,124,102,.22)}
.form-note{font-size:12px;color:var(--muted);margin-top:12px}
.form-msg{font-size:13px;margin-top:10px;min-height:20px}
.form-msg.err{color:var(--alert)}
.form-msg.ok{color:var(--primary-deep)}

/* ===== 最新信息 ===== */
.posts-band{background:var(--paper)}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.filter-row span{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--pill);font-size:14px;color:var(--muted);border:1px solid var(--line);background:#fff}
.filter-row span.is-active{background:var(--primary-soft);color:var(--primary-deep);border-color:transparent;font-weight:600}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:transform .16s ease,box-shadow .16s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.post-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--paper)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-title{font-size:19px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a:hover{color:var(--primary-deep)}
.post-excerpt{font-size:15px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);letter-spacing:.02em;padding-top:8px;border-top:1px solid var(--line)}
.post-meta time{font-family:var(--mono)}
.empty-state{grid-column:1 / -1;text-align:center;padding:56px 24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md)}
.empty-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:26px}
.empty-main{font-size:17px;font-weight:600}
.empty-sub{font-size:14px;color:var(--muted);margin:8px 0 20px}

/* ===== 往期回放 ===== */
.replay-band{background:var(--card);border-top:1px solid var(--line)}
.replay-scroller{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.replay-card{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:#fff;transition:transform .16s ease,box-shadow .16s ease}
.replay-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.replay-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink)}
.replay-thumb img{width:100%;height:100%;object-fit:cover;opacity:.88;transition:transform .3s ease,opacity .3s ease}
.replay-card:hover .replay-thumb img{transform:scale(1.04);opacity:1}
.replay-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.86);display:grid;place-items:center;color:var(--primary-deep);font-size:16px;box-shadow:var(--shadow-md)}
.replay-duration{position:absolute;right:10px;bottom:10px;font-family:var(--mono);font-size:12px;padding:2px 8px;border-radius:var(--pill);background:rgba(16,20,24,.72);color:#fff}
.replay-body{padding:18px 20px 22px}
.replay-body h3{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.replay-body time{display:block;margin-top:8px;font-size:13px;color:var(--muted);font-family:var(--mono)}

/* ===== 数据带 ===== */
.facts{background:var(--paper);border-top:1px solid var(--line)}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:64px 0}
.fact{padding-right:24px;border-right:1px solid var(--line)}
.fact:last-child{border-right:0}
.fact-num{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:38px;font-weight:700;line-height:1.1;color:var(--primary-deep)}
.fact-label{display:block;margin-top:10px;font-size:14px;color:var(--muted)}

/* ===== FAQ ===== */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 24px;font-size:16px;font-weight:500;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--mono);font-size:22px;color:var(--primary);transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--primary-deep)}
.faq-answer{padding:0 24px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);border-top:1px solid var(--line);padding-top:18px}

/* ===== 收尾 CTA ===== */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:-120px;bottom:-200px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(200,241,105,.9),transparent 62%);opacity:.06}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 24px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.7);font-size:15px;max-width:560px}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;max-width:300px}
.footer-col h4{font-size:14px;color:var(--accent);font-weight:600;margin-bottom:18px;letter-spacing:.04em}
.footer-col a{display:block;font-size:15px;line-height:1.9;color:rgba(255,255,255,.7);margin-bottom:6px}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-col p{font-size:15px;line-height:1.9}
.footer-brand .footer-badge{display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:6px 14px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.18);font-size:13px;font-family:var(--mono);color:rgba(255,255,255,.72)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ===== 响应式 ===== */
@media (max-width:1100px){
  .posts-grid{grid-template-columns:repeat(2,1fr)}
  .replay-scroller{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:960px){
  h1{font-size:36px}
  h2{font-size:28px}
  .section{padding:72px 0}
  .hero{padding:56px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1}
  .hero-sub,.hero-time{max-width:none}
  .spotlight{grid-template-columns:1fr;gap:36px}
  .subscribe-card{grid-template-columns:1fr;gap:24px;padding:28px}
  .facts-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .fact:nth-child(2n){border-right:0}
  .countdown-inner{gap:20px}
  .cd-grid{margin-left:0;width:100%}
  .cd-cell{flex:1;min-width:0;padding:0 12px}
  .cd-num{font-size:32px}
  .cd-action{margin-left:0}
}
@media (max-width:768px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav{height:60px}
  .nav-cta .btn{display:none}
  .topbar-note,.topbar-right a:first-child{display:none}
  .section{padding:56px 0}
  h1{font-size:28px}
  h2{font-size:24px}
  .container{padding:0 16px}
  .posts-grid{grid-template-columns:1fr}
  .replay-scroller{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding-bottom:8px;margin-right:-16px;padding-right:16px;-webkit-overflow-scrolling:touch}
  .replay-scroller::-webkit-scrollbar{height:6px}
  .replay-scroller::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
  .replay-card{flex:0 0 78%;scroll-snap-align:start}
  .cta-inner{padding:48px 16px}
  .site-footer{padding-top:56px}
}
@media (max-width:520px){
  .cd-cell{padding:0 8px}
  .cd-num{font-size:26px}
  .cd-cap{font-size:12px}
  .facts-grid{grid-template-columns:1fr}
  .fact{border-right:0;padding-right:0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero-time{flex-direction:column;align-items:flex-start;gap:6px}
  .replay-card{flex:0 0 86%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink:#101418; --ink-2:#2A3138; --paper:#F7F6F2; --card:#FFFFFF;
  --primary:#0E7C66; --primary-deep:#0A5A4B; --primary-soft:#E3F3EE;
  --accent:#C8F169; --alert:#FF6B4A; --line:#E4E2DC; --muted:#6E6A63;
  --radius:16px; --radius-sm:12px; --radius-lg:20px; --pill:999px;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 8px 24px -12px rgba(16,20,24,.18);
  --shadow-lg:0 24px 48px -24px rgba(16,20,24,.28);
  --container:1200px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font);font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .16s ease-out}
a:hover{color:var(--primary-deep)}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
ul,ol{padding-left:1.2em}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:32px;line-height:1.2;font-weight:700;letter-spacing:-.02em;margin:0 0 12px}
.section-head p{margin:0;color:var(--ink-2);font-size:17px;line-height:1.8}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* 顶部信息条 */
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:13px;letter-spacing:.02em}
.topbar-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0}
.topbar-domain{font-family:var(--mono);color:var(--accent);white-space:nowrap}
.topbar-tip{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px;white-space:nowrap}
.topbar-link{color:rgba(255,255,255,.8)}
.topbar-link:hover{color:#fff;text-decoration:underline}
.topbar-sep{width:1px;height:14px;background:rgba(255,255,255,.22)}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.9);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:28px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.01em;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.logo-text{color:var(--ink)}
.logo-text span{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 12px;border-radius:8px;font-size:15px;color:var(--ink-2);
  transition:background .16s ease-out,color .16s ease-out;
}
.nav-links a:hover{background:var(--primary-soft);color:var(--primary-deep)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .16s ease-out,background .16s ease-out,box-shadow .16s ease-out,color .16s ease-out,border-color .16s ease-out;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary-soft);color:var(--primary-deep);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#bde85c;color:var(--ink);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.nav-cta{margin-left:6px;height:42px;padding:0 20px;font-size:14px;flex:0 0 auto}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:auto;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s ease-out,opacity .18s ease-out}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{display:none}

/* 面包屑 */
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--muted);letter-spacing:.02em}
.breadcrumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary-deep);text-decoration:underline}
.breadcrumb .current{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:340px}

/* 文章布局 */
.article-wrap{padding:28px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-main{min-width:0}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--pill);
  font-size:13px;letter-spacing:.02em;line-height:1;
}
.badge-cat{background:var(--paper);border:1px solid var(--line);color:var(--muted)}
.badge-live{background:var(--alert);color:#fff;font-weight:600}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.badge-soon{background:var(--accent);color:var(--ink);font-weight:600}
.article-hero{padding:22px 0 8px;border-bottom:1px solid var(--line);margin-bottom:36px}
.article-title{font-size:40px;line-height:1.18;font-weight:700;letter-spacing:-.02em;margin:18px 0 16px;max-width:820px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);letter-spacing:.02em;padding-bottom:22px}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--line)}
.meta-row .share-group{margin-left:auto;display:flex;gap:8px}
.share-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .16s ease-out,color .16s ease-out,transform .16s ease-out,border-color .16s ease-out;
}
.share-btn:hover{background:var(--primary-soft);border-color:var(--primary-soft);color:var(--primary-deep);transform:translateY(-2px)}
.share-btn svg{width:16px;height:16px;fill:currentColor}

/* 正文排版 */
.article-body{max-width:720px;font-size:17.5px;line-height:1.9;color:var(--ink-2)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  font-size:27px;line-height:1.3;color:var(--ink);font-weight:700;
  margin:2.4em 0 .8em;padding-left:14px;border-left:4px solid var(--primary);letter-spacing:-.02em;
}
.article-body h3{font-size:20px;line-height:1.45;color:var(--ink);font-weight:600;margin:2em 0 .7em}
.article-body h4{font-size:17px;color:var(--ink);font-weight:600;margin:1.6em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.3em}
.article-body li{margin:.5em 0;line-height:1.9}
.article-body li::marker{color:var(--primary);font-weight:700}
.article-body strong{color:var(--ink);font-weight:600}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-deep)}
.article-body blockquote{
  margin:1.8em 0;padding:20px 22px;background:var(--primary-soft);
  border-left:3px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-sm);margin:1.8em auto;box-shadow:var(--shadow-sm)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.article-body table{
  display:block;overflow-x:auto;width:100%;border-collapse:collapse;margin:1.8em 0;
  font-size:15px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
}
.article-body thead th{background:var(--primary-soft);color:var(--ink);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body tr:last-child td{border-bottom:none}
.article-body pre{
  background:var(--ink);color:var(--accent);font-family:var(--mono);font-size:13px;line-height:1.75;
  padding:20px;border-radius:var(--radius-sm);overflow-x:auto;margin:1.8em 0;
}
.article-body code{font-family:var(--mono);font-size:.9em}
.article-body :not(pre)>code{background:var(--primary-soft);color:var(--primary-deep);padding:2px 6px;border-radius:6px}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}
.note{
  margin:1.8em 0;padding:16px 20px;border-radius:var(--radius-sm);font-size:16px;line-height:1.8;
  border-left:3px solid var(--primary);background:var(--primary-soft);color:var(--ink-2);
}
.note-warn{border-left-color:var(--alert);background:rgba(255,107,74,.1)}

/* 标签与上下篇 */
.tag-block{margin-top:44px;max-width:720px}
.tag-block h2{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:14px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:14px;
  transition:background .16s ease-out,color .16s ease-out,transform .16s ease-out,border-color .16s ease-out;
}
.tag:hover{background:var(--primary-soft);border-color:var(--primary-soft);color:var(--primary-deep);transform:translateY(-2px)}
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px;max-width:820px}
.post-nav-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;display:block;
}
.post-nav-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#d9d6cd}
.post-nav-card span{display:block;font-size:13px;color:var(--muted);letter-spacing:.02em;margin-bottom:8px}
.post-nav-card strong{display:block;font-size:16px;font-weight:600;line-height:1.55;color:var(--ink)}
.post-nav-card .arrow{display:inline-block;margin-top:12px;color:var(--primary);font-weight:600;font-size:14px;transition:transform .16s ease-out}
.post-nav-card:hover .arrow{transform:translateX(3px)}

/* 相关推荐 */
.related{margin-top:56px;padding-top:48px;border-top:1px solid var(--line)}
.related h2{font-size:24px;font-weight:700;margin-bottom:24px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .16s ease-out,box-shadow .16s ease-out;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.related-cover{aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft)}
.related-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.related-card:hover .related-cover img{transform:scale(1.04)}
.related-body{padding:20px}
.related-body h3{font-size:16px;font-weight:600;line-height:1.55;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body .time{font-size:13px;color:var(--muted);letter-spacing:.02em}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:92px}
.widget{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.widget-title{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.widget-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--primary)}
.live-card{background:var(--ink);border:none;color:#fff;overflow:hidden;padding:0}
.live-card .live-cover{position:relative;aspect-ratio:16/9}
.live-card .live-cover img{width:100%;height:100%;object-fit:cover}
.live-card .live-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,24,0) 40%,rgba(16,20,24,.85))}
.live-card .live-badge{position:absolute;top:12px;left:12px;z-index:2}
.live-card .live-body{padding:18px 20px 22px}
.live-card h3{font-size:16px;font-weight:600;line-height:1.5;margin:0 0 6px}
.live-card p{margin:0 0 14px;font-size:13px;color:rgba(255,255,255,.66);line-height:1.7}
.live-card .btn{width:100%}
.cat-list{list-style:none;margin:0;padding:0}
.cat-list li+li{border-top:1px solid var(--line)}
.cat-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;font-size:15px;color:var(--ink-2)}
.cat-list a:hover{color:var(--primary-deep)}
.cat-list a span{font-size:13px;color:var(--muted);font-family:var(--mono)}
.widget-note{font-size:14px;color:var(--muted);line-height:1.8;margin:0 0 16px}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);max-width:640px;
}
.empty-icon{
  width:64px;height:64px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:24px;font-weight:700;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;margin:0 0 24px}

/* 订阅 CTA 带 */
.cta-band{background:var(--ink);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,124,102,.35),rgba(14,124,102,0) 70%);
}
.cta-inner{position:relative;display:flex;align-items:center;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:28px;line-height:1.3;font-weight:700;margin:0 0 10px}
.cta-inner p{margin:0;color:rgba(255,255,255,.7);font-size:16px;max-width:520px}
.cta-form{display:flex;gap:12px;margin-left:auto;flex-wrap:wrap}
.cta-form input{
  height:48px;min-width:260px;padding:0 16px;border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:15px;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.cta-form input::placeholder{color:rgba(255,255,255,.5)}
.cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,241,105,.25)}
.cta-privacy{font-size:12px;color:rgba(255,255,255,.45);margin-top:10px;width:100%;text-align:right}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 28px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{margin:0 0 16px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px;font-size:15px}
.footer-badge{
  display:inline-flex;height:28px;align-items:center;padding:0 12px;border-radius:var(--pill);
  border:1px solid rgba(255,255,255,.18);font-family:var(--mono);font-size:12px;color:var(--accent);
}
.footer-col h4{font-size:14px;color:rgba(255,255,255,.85);font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;color:rgba(255,255,255,.7);line-height:1.9;padding:4px 0;font-size:15px}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-col p{margin:0 0 8px;color:rgba(255,255,255,.7);line-height:1.9;font-size:15px}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.02em;
}

@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .article-body,.tag-block,.article-title{max-width:none}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .article-title{font-size:34px}
  .footer-grid{grid-template-columns:1.4fr 1fr;gap:32px}
  .nav-links a{padding:8px 9px;font-size:14px}
  .header-inner{gap:18px}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
  .drawer{display:block;position:fixed;inset:0;z-index:80;pointer-events:none}
  .drawer[hidden]{display:none}
  .drawer-panel{
    position:absolute;inset:0;background:var(--paper);padding:24px;
    display:flex;flex-direction:column;gap:8px;transform:translateY(-8px);opacity:0;
    transition:transform .2s ease-out,opacity .2s ease-out;
  }
  .drawer.open .drawer-panel{transform:translateY(0);opacity:1}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
  .drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:20px;color:var(--ink)}
  .drawer-panel a.drawer-link{
    padding:16px 4px;border-bottom:1px solid var(--line);font-size:17px;color:var(--ink);
    display:flex;align-items:center;justify-content:space-between;min-height:44px;
  }
  .drawer-panel a.drawer-link.active{color:var(--primary);font-weight:600}
  .drawer-cta{margin-top:auto}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 16px}
  .topbar-inner{padding:0 16px}
  .topbar-tip,.topbar-sep,.topbar-right .topbar-link:first-child{display:none}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .article-title{font-size:28px}
  .article-body{font-size:17px;line-height:1.85}
  .article-body h2{font-size:22px;margin-top:2em}
  .article-body h3{font-size:18px}
  .post-nav{grid-template-columns:minmax(0,1fr)}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .sidebar{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:56px 0}
  .cta-inner h2{font-size:22px}
  .cta-form{margin-left:0;width:100%}
  .cta-form input{min-width:0;flex:1 1 100%}
  .cta-form .btn{width:100%}
  .cta-privacy{text-align:left}
  .breadcrumb .current{max-width:180px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px}
}
@media (max-width:480px){
  .meta-row .share-group{margin-left:0;width:100%}
  .related-grid{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
  --ink:#101418;
  --ink-2:#2A3138;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --primary:#0E7C66;
  --primary-deep:#0A5A4B;
  --primary-soft:#E3F3EE;
  --accent:#C8F169;
  --alert:#FF6B4A;
  --line:#E4E2DC;
  --muted:#6E6A63;
  --radius-pill:999px;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-img:20px;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 8px 24px -12px rgba(16,20,24,.18);
  --shadow-lg:0 24px 48px -24px rgba(16,20,24,.28);
  --sp-section:96px;
  --font-sans:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
@media (max-width:1023px){:root{--sp-section:72px}}
@media (max-width:767px){:root{--sp-section:56px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-0.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:767px){.container{padding:0 16px}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{color:#fff;font-weight:600;font-family:var(--font-mono);font-size:12.5px}
.topbar-tip{color:rgba(255,255,255,.66);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.24);flex:0 0 auto}
.topbar-right a{color:rgba(255,255,255,.86);transition:color .16s ease}
.topbar-right a:hover{color:var(--accent)}
@media (max-width:767px){
  .topbar-tip,.topbar-right a.secondary{display:none}
}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:-0.01em}
.logo-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--primary);color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em;
}
.logo-text{color:var(--ink)}
.logo-text span{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;font-size:15px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--radius-pill);color:var(--ink-2);
  transition:background .16s ease,color .16s ease;
}
.nav-links a:hover{background:var(--primary-soft);color:var(--primary-deep)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
  background:var(--card);transition:background .16s ease,border-color .16s ease;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.menu-toggle:hover{background:var(--primary-soft);border-color:transparent}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:0;z-index:60;
  background:var(--card);border-bottom:1px solid var(--line);
  padding:84px 16px 24px;box-shadow:var(--shadow-lg);
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mobile-drawer nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.mobile-drawer nav a{
  display:flex;align-items:center;min-height:52px;padding:0 12px;border-radius:12px;
  font-size:16px;color:var(--ink-2);
}
.mobile-drawer nav a:hover{background:var(--primary-soft)}
.mobile-drawer nav a.active{background:var(--primary-soft);color:var(--primary-deep);font-weight:600}
.mobile-drawer .btn{width:100%}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}
@media (max-width:1023px){
  .nav-links{display:none}
  .header-actions .btn-cta{display:none}
  .menu-toggle{display:inline-flex}
  .mobile-drawer{display:block}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  border:1px solid transparent;font-size:15px;font-weight:600;
  transition:transform .16s ease,background .16s ease,box-shadow .16s ease,border-color .16s ease,color .16s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--primary-soft);border-color:transparent;transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:var(--ink);font-weight:600}
.btn-accent:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);
}
.link-arrow span.arrow{transition:transform .16s ease}
.link-arrow:hover{color:var(--primary-deep);text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover span.arrow{transform:translateX(2px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--radius-pill);
  font-size:13px;letter-spacing:.02em;
}
.badge-live{background:var(--alert);color:#fff;font-weight:600}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.badge-plan{background:var(--accent);color:var(--ink);font-weight:600}
.badge-soft{background:var(--paper);color:var(--muted);border:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:var(--radius-pill);background:var(--primary-soft);color:var(--primary-deep);
  font-size:13px;
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:24px 0 0;font-size:13px;color:var(--muted);letter-spacing:.02em;
}
.breadcrumb a{color:var(--muted);transition:color .16s ease}
.breadcrumb a:hover{color:var(--primary-deep);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#C9C5BD}
.breadcrumb .current{color:var(--ink-2)}

/* ============ 分类首屏 ============ */
.cat-hero{padding:20px 0 0}
.cat-hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:32px 0 72px;
}
.cat-hero h1{font-size:44px;line-height:1.15;letter-spacing:-0.02em;margin:20px 0 18px}
.cat-lead{font-size:18px;line-height:1.8;color:var(--ink-2);max-width:560px}
.cat-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cat-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-media{
  border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-md);
  aspect-ratio:4/3;background:var(--primary-soft);border:1px solid var(--line);
}
.hero-media img{width:100%;height:100%;object-fit:cover}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:32px;line-height:1.2}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:17px}
.eyebrow{
  display:inline-block;font-family:var(--font-mono);font-size:12.5px;
  letter-spacing:.18em;color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
@media (max-width:1023px){
  .cat-hero h1{font-size:36px}
  .section-head h2{font-size:28px}
}
@media (max-width:767px){
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;padding:24px 0 56px}
  .cat-hero h1{font-size:28px;margin:16px 0 14px}
  .cat-lead{font-size:17px}
  .hero-media{order:-1;aspect-ratio:16/10}
  .cat-actions .btn{width:100%}
  .section-head h2{font-size:24px}
  .section-head{margin-bottom:28px}
}

/* ============ 图文交替行 ============ */
.flow-list{border-top:1px solid var(--line)}
.flow-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.flow-row:hover{background:#FBFAF7}
.flow-row .flow-media{
  order:1;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;background:var(--primary-soft);box-shadow:var(--shadow-sm);
}
.flow-row .flow-copy{order:2}
.flow-row.reverse .flow-media{order:2}
.flow-row.reverse .flow-copy{order:1}
.flow-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.flow-row:hover .flow-media img{transform:scale(1.03)}
.flow-no{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.16em;
  color:var(--primary);display:block;margin-bottom:12px;
}
.flow-copy h3{font-size:20px;line-height:1.35;margin-bottom:12px}
.flow-copy p{color:var(--ink-2);font-size:16.5px;max-width:560px}
.flow-copy .link-arrow{margin-top:18px}
@media (max-width:1023px){
  .flow-row{gap:32px;padding:36px 0}
}
@media (max-width:767px){
  .flow-row{grid-template-columns:1fr;gap:20px;padding:28px 0}
  .flow-row .flow-media,
  .flow-row.reverse .flow-media{order:1}
  .flow-row .flow-copy,
  .flow-row.reverse .flow-copy{order:2}
  .flow-copy h3{font-size:18px}
  .flow-copy p{font-size:16px}
}

/* ============ 深色数据带 ============ */
.stats{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.stats::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
  background:radial-gradient(640px 320px at 78% -10%,var(--primary),transparent 68%);
}
.stats .container{position:relative}
.stats-inner{padding:64px 0}
.stats-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:40px}
.stats-head h2{font-size:28px;color:#fff}
.stats-head p{color:rgba(255,255,255,.66);font-size:15px;max-width:520px;margin-top:10px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:8px 28px;border-left:1px solid rgba(255,255,255,.16)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:44px;line-height:1.05;color:var(--accent);font-weight:600;letter-spacing:-0.02em;
}
.stat-num small{font-size:16px;color:rgba(255,255,255,.8);margin-left:6px;font-family:var(--font-sans)}
.stat-label{margin-top:12px;font-size:13.5px;color:rgba(255,255,255,.66);letter-spacing:.02em}
@media (max-width:1023px){
  .stats-grid{grid-template-columns:1fr 1fr;row-gap:32px}
  .stat-item{padding:8px 24px}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .stat-num{font-size:34px}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr}
  .stat-item{border-left:0;padding:0 0 20px;border-bottom:1px solid rgba(255,255,255,.12)}
  .stat-item:last-child{border-bottom:0;padding-bottom:0}
  .stats-inner{padding:48px 0}
}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:300px 1fr;gap:56px;align-items:start}
.faq-aside p{color:var(--ink-2);font-size:16px;margin-top:14px}
.faq-aside .tag{margin-top:20px}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:16px;font-weight:500;cursor:pointer;list-style:none;
  transition:color .16s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--primary-deep)}
.faq summary::after{
  content:"+";flex:0 0 auto;font-size:22px;line-height:1;color:var(--primary);
  transition:transform .2s ease;
}
.faq details[open] summary::after{content:"−";transform:rotate(0deg)}
.faq .faq-body{padding:0 4px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:760px}
@media (max-width:1023px){
  .faq-grid{grid-template-columns:1fr;gap:28px}
}

/* ============ 订阅模块 ============ */
.subscribe{background:var(--primary-soft);border-radius:var(--radius-img);padding:40px;border:1px solid #D3EAE3}
.subscribe-inner{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.subscribe h2{font-size:26px;line-height:1.25}
.subscribe p{margin-top:12px;color:var(--ink-2);font-size:16px;max-width:460px}
.subscribe-form{display:flex;gap:12px;align-items:flex-start}
.subscribe-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--card);font-size:15px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.subscribe-form input::placeholder{color:var(--muted)}
.subscribe-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(14,124,102,.25)}
.subscribe-form.is-error input{border-color:var(--alert);box-shadow:0 0 0 2px rgba(255,107,74,.2)}
.form-note{margin-top:12px;font-size:13px;color:var(--muted);letter-spacing:.02em}
.form-note.is-error{color:var(--alert)}
.form-note.is-success{color:var(--primary-deep);font-weight:600}
@media (max-width:1023px){
  .subscribe-inner{grid-template-columns:1fr}
}
@media (max-width:767px){
  .subscribe{padding:24px;border-radius:var(--radius-card)}
  .subscribe h2{font-size:22px}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:0;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.72);max-width:340px}
.footer-badge{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;margin-top:18px;
  border-radius:var(--radius-pill);background:rgba(255,255,255,.08);color:rgba(255,255,255,.7);
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.02em;
}
.footer-col h4{font-size:14px;color:var(--accent);margin-bottom:16px;letter-spacing:.02em}
.footer-col a,.footer-col p{display:block;font-size:15px;line-height:1.9;color:rgba(255,255,255,.72);margin-bottom:6px}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.02em;
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .footer-brand p{max-width:none}
}

/* roulang page: category2 */
:root{
  --ink:#101418;
  --ink-2:#2A3138;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --primary:#0E7C66;
  --primary-deep:#0A5A4B;
  --primary-soft:#E3F3EE;
  --accent:#C8F169;
  --alert:#FF6B4A;
  --line:#E4E2DC;
  --muted:#6E6A63;
  --radius-card:16px;
  --radius-input:12px;
  --radius-cover:20px;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 8px 24px -12px rgba(16,20,24,.18);
  --shadow-lg:0 24px 48px -24px rgba(16,20,24,.28);
  --font-sans:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .16s ease}
a:hover{color:var(--primary-deep);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em}
h1{font-size:44px;line-height:1.15;font-weight:700;letter-spacing:-0.02em}
h2{font-size:32px;line-height:1.25;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:0}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.82);font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding-top:6px;padding-bottom:6px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{font-family:var(--font-mono);color:var(--accent);letter-spacing:.04em;white-space:nowrap}
.topbar-note{color:rgba(255,255,255,.68);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.24);flex:0 0 auto}
.topbar a{color:rgba(255,255,255,.86);white-space:nowrap}
.topbar a:hover{color:#fff;text-decoration:underline}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto}
.logo:hover{text-decoration:none;color:var(--ink)}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background:var(--primary);color:#fff;
  font-family:var(--font-mono);font-size:14px;font-weight:700;letter-spacing:.04em;
}
.logo-text{font-size:19px;font-weight:700;letter-spacing:-0.01em}
.logo-text span{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{
  position:relative;color:var(--ink-2);font-size:15.5px;padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--primary-deep);text-decoration:none}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);cursor:pointer;color:var(--ink);
}
.menu-toggle svg{width:20px;height:20px}
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:80;
  background:rgba(247,246,242,.99);padding:96px 24px 32px;
  overflow-y:auto;
}
.mobile-drawer.open{display:block}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:28px}
.mobile-drawer nav a{
  font-size:19px;color:var(--ink);padding:14px 4px;border-bottom:1px solid var(--line);min-height:44px;
}
.mobile-drawer nav a.active{color:var(--primary);font-weight:600}
.mobile-drawer .drawer-close{
  position:absolute;top:24px;right:24px;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);cursor:pointer;font-size:20px;line-height:1;color:var(--ink);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15.5px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--ink);border-color:var(--primary-soft)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{color:var(--ink);box-shadow:var(--shadow-md)}
.btn-light-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-light-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15.5px}
.link-arrow::after{content:"→";transition:transform .16s ease}
.link-arrow:hover{text-decoration:none}
.link-arrow:hover::after{transform:translateX(2px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-soon{background:var(--accent);color:var(--ink)}
.badge-live{background:var(--alert);color:#fff}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s ease-in-out infinite}
.badge-plain{background:var(--paper);color:var(--muted);border:1px solid var(--line)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary-deep)}
.breadcrumb [aria-current="page"]{color:var(--muted)}

/* ---------- Hero ---------- */
.hero{padding:40px 0 72px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-copy{max-width:560px}
.hero-copy h1{margin:18px 0 16px}
.hero-lead{font-size:18px;line-height:1.8;color:var(--ink-2);max-width:520px}
.fact-row{display:flex;flex-wrap:wrap;gap:28px;margin:28px 0 32px;padding-top:24px;border-top:1px solid var(--line)}
.fact{min-width:120px}
.fact-value{font-family:var(--font-mono);font-size:24px;font-weight:700;color:var(--ink);letter-spacing:-0.01em}
.fact-label{font-size:13px;color:var(--muted);letter-spacing:.02em;margin-top:2px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{position:relative;border-radius:var(--radius-cover);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:16/10;background:var(--primary-soft)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,24,0) 45%,rgba(16,20,24,.55) 100%)}
.hero-media-badge{position:absolute;left:20px;bottom:20px;z-index:2}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:40;
  background:rgba(247,246,242,.95);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  flex:0 0 auto;height:40px;display:inline-flex;align-items:center;
  padding:0 18px;border-radius:999px;font-size:14.5px;color:var(--ink-2);
  border:1px solid transparent;transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.anchor-inner a:hover{background:var(--primary-soft);color:var(--primary-deep);text-decoration:none}
.anchor-inner a.active{background:var(--primary-soft);color:var(--primary-deep);border-color:rgba(14,124,102,.24);font-weight:600}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:17px;color:var(--ink-2);line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--primary-deep);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--primary)}

/* ---------- 不等宽栅格 ---------- */
.split-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;align-items:start}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:transform .16s ease,box-shadow .16s ease;
}
.panel:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.panel-main h3{margin:16px 0 12px;font-size:24px}
.panel-main > p{color:var(--ink-2);font-size:16.5px;line-height:1.85}
.panel-media{border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:var(--primary-soft);margin-bottom:20px}
.panel-media img{width:100%;height:100%;object-fit:cover}
.panel-list h3{font-size:17px;margin-bottom:6px}
.panel-list .panel-sub{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.tick-list{margin:20px 0 22px;display:grid;gap:12px}
.tick-list li{position:relative;padding-left:26px;font-size:15.5px;color:var(--ink-2);line-height:1.7}
.tick-list li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--primary-soft);
}
.tick-list li::after{
  content:"";position:absolute;left:4px;top:13px;width:6px;height:3px;border-left:2px solid var(--primary-deep);border-bottom:2px solid var(--primary-deep);
  transform:rotate(-45deg);
}
.num-list{display:grid;gap:0;margin-top:8px}
.num-item{
  display:flex;gap:14px;align-items:baseline;padding:14px 0;border-top:1px solid var(--line);
}
.num-item:first-child{border-top:none}
.num-idx{font-family:var(--font-mono);font-size:13px;color:var(--primary);font-weight:700;flex:0 0 26px;padding-top:2px}
.num-title{display:block;font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.55}
.num-time{display:block;font-family:var(--font-mono);font-size:12.5px;color:var(--muted);margin-top:3px;letter-spacing:.02em}

/* ---------- 票券式批次 ---------- */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ticket{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);transition:transform .16s ease,box-shadow .16s ease;
}
.ticket:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.ticket-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.ticket-code{font-family:var(--font-mono);font-size:13px;color:var(--muted);letter-spacing:.06em}
.ticket h3{margin:14px 0 6px;font-size:19px}
.ticket-tag{font-size:13.5px;color:var(--muted)}
.ticket-dash{height:1px;margin:18px 0;background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px)}
.ticket-rows{display:grid;gap:12px}
.ticket-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:14.5px;color:var(--ink-2)}
.ticket-row strong{font-weight:600;color:var(--ink);font-family:var(--font-mono);font-size:14px;letter-spacing:.01em}
.ticket-foot{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:transform .16s ease,box-shadow .16s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.step-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:999px;background:var(--primary-soft);
  color:var(--primary-deep);font-family:var(--font-mono);font-weight:700;font-size:16px;
}
.step h3{margin:18px 0 10px;font-size:18px}
.step p{font-size:15.5px;color:var(--ink-2);line-height:1.75}

/* ---------- 订阅 ---------- */
.subscribe{background:var(--primary-soft);border:1px solid rgba(14,124,102,.18);border-radius:20px;padding:40px}
.subscribe-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.subscribe h2{font-size:28px;margin-bottom:12px}
.subscribe p{font-size:16.5px;color:var(--ink-2);line-height:1.8;max-width:460px}
.subscribe-form{display:flex;gap:12px}
.subscribe-form input{
  flex:1 1 auto;min-width:0;height:48px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-input);background:var(--card);
  font-size:15.5px;color:var(--ink);font-family:inherit;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.subscribe-form input::placeholder{color:var(--muted)}
.subscribe-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,124,102,.18)}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:12px;letter-spacing:.02em}
.form-state{font-size:13px;margin-top:10px}
.form-state.error{color:var(--alert)}
.form-state.success{color:var(--primary-deep)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:880px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:0 24px;transition:box-shadow .16s ease,border-color .16s ease;
}
.faq-item[open]{box-shadow:var(--shadow-sm);border-color:rgba(14,124,102,.28)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;cursor:pointer;list-style:none;
  font-size:16px;font-weight:500;color:var(--ink);min-height:44px;
}
.faq-q::-webkit-details-marker{display:none}
.faq-ico{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .18s ease,opacity .18s ease;
}
.faq-ico::before{width:14px;height:2px}
.faq-ico::after{width:2px;height:14px}
.faq-item[open] .faq-ico::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{padding:0 0 22px;border-top:1px solid var(--line)}
.faq-a p{font-size:15px;line-height:1.8;color:var(--ink-2);padding-top:16px;max-width:720px}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  background:var(--ink);color:#fff;padding:64px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-10%;top:-60%;width:60%;height:220%;
  background:radial-gradient(circle,rgba(14,124,102,.55),transparent 62%);opacity:.14;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:16px;max-width:560px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 28px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px}
.footer-badge{
  display:inline-block;margin-top:16px;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.7);
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;
}
.footer-col h4{font-size:14px;color:var(--accent);margin-bottom:16px;font-weight:600;letter-spacing:.02em}
.footer-col a,.footer-col p{display:block;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.7);margin-bottom:6px}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding-top:24px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .split-grid{grid-template-columns:2fr 1fr}
  .panel-list:last-child{grid-column:1 / -1}
}
@media (max-width:1023px){
  h1{font-size:36px}
  h2{font-size:28px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .menu-toggle{display:inline-flex}
  .hero{padding:32px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1;aspect-ratio:16/9}
  .hero-copy{max-width:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .ticket-grid{grid-template-columns:1fr 1fr}
  .subscribe{padding:32px}
  .subscribe-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  :root{--header-h:60px}
  html{scroll-padding-top:130px}
  h1{font-size:28px}
  h2{font-size:24px}
  h3{font-size:18px}
  .section{padding:56px 0}
  .topbar-note{display:none}
  .split-grid{grid-template-columns:1fr;gap:16px}
  .panel-list:last-child{grid-column:auto}
  .ticket-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero-lead{font-size:17px}
  .fact-row{gap:20px}
  .fact-value{font-size:20px}
  .subscribe{padding:24px}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .cta-inner h2{font-size:24px}
  .faq-item{padding:0 18px}
  .section-head{margin-bottom:32px}
}
@media (max-width:479px){
  .header-cta-desktop{display:none}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .fact{min-width:44%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink:#101418;
  --ink-2:#2A3138;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --primary:#0E7C66;
  --primary-deep:#0A5A4B;
  --primary-soft:#E3F3EE;
  --accent:#C8F169;
  --alert:#FF6B4A;
  --line:#E4E2DC;
  --muted:#6E6A63;
  --r-pill:999px;
  --r-card:16px;
  --r-img:20px;
  --r-input:12px;
  --sh-sm:0 1px 2px rgba(16,20,24,.06);
  --sh-md:0 8px 24px -12px rgba(16,20,24,.18);
  --sh-lg:0 24px 48px -24px rgba(16,20,24,.28);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--primary-deep);text-decoration:underline}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-0.02em;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding:6px 24px;max-width:1200px;margin:0 auto}
.topbar-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.topbar-domain{font-family:var(--mono);color:var(--accent)}
.topbar-dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.35)}
.topbar-right{display:flex;align-items:center;gap:14px}
.topbar-right a{color:#fff;font-size:13px}
.topbar-right a:hover{color:var(--accent);text-decoration:none}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.25)}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px;letter-spacing:-.01em}
.logo:hover{text-decoration:none;color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--accent);
  display:grid;place-items:center;font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.04em;
}
.logo-text{white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;color:var(--ink-2);font-size:15px;font-weight:500;padding:6px 0;
}
.nav-links a:hover{color:var(--primary);text-decoration:none}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--card);
  border-radius:12px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer-cta{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease-out,box-shadow .15s ease-out,background-color .15s ease-out,color .15s ease-out,border-color .15s ease-out;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(1px);box-shadow:var(--sh-sm)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;box-shadow:var(--sh-md)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary-soft);color:var(--primary-deep)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#b9e755;color:var(--ink)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px}
.link-arrow::after{content:'→';transition:transform .15s ease}
.link-arrow:hover{text-decoration:none}
.link-arrow:hover::after{transform:translateX(2px)}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-live{background:var(--alert);color:#fff}
.badge-live::before{
  content:'';width:6px;height:6px;border-radius:50%;background:#fff;
  animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.badge-pre{background:var(--accent);color:var(--ink)}
.badge-soft{background:var(--paper);color:var(--muted);border:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary-deep);font-size:12.5px;font-weight:500;margin:0 8px 8px 0;
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 0;font-size:13px;color:var(--muted);letter-spacing:.02em}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{margin:0 8px;color:#c9c6bf}
.crumbs .current{color:var(--muted)}

/* ---------- 页面首屏 ---------- */
.page-hero{padding:36px 0 72px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-copy .badge{margin-bottom:20px}
.hero-title{font-size:44px;line-height:1.15;letter-spacing:-.02em;margin-bottom:18px}
.hero-title em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:18px;line-height:1.8;color:var(--ink-2);max-width:560px;margin-bottom:24px}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--ink-2);margin-bottom:28px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:10px 18px;box-shadow:var(--sh-sm);width:fit-content;
}
.hero-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--primary)}
.hero-meta .time{font-family:var(--mono);font-weight:600;letter-spacing:.01em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-md);border:1px solid var(--line);
}
.hero-float{
  position:absolute;left:20px;bottom:20px;display:flex;align-items:center;gap:10px;
  background:rgba(16,20,24,.86);backdrop-filter:blur(6px);
  border-radius:var(--r-pill);padding:8px 16px;color:#fff;font-size:13px;
}
.hero-float .dur{font-family:var(--mono);color:var(--accent)}

/* ---------- 倒计时 ---------- */
.countdown-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.countdown-band::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(600px 260px at 22% 50%,rgba(14,124,102,.20),transparent 70%);
  pointer-events:none;
}
.cd-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:32px 0;flex-wrap:wrap;
}
.cd-label-top{font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.6);margin-bottom:8px;text-transform:uppercase}
.cd-title{font-size:20px;font-weight:600;color:#fff}
.cd-grid{display:flex;align-items:center;gap:0}
.cd-cell{
  min-width:88px;text-align:center;padding:0 18px;border-right:1px solid rgba(255,255,255,.16);
}
.cd-cell:last-child{border-right:none}
.cd-num{
  display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:44px;font-weight:700;line-height:1.1;color:var(--accent);
}
.cd-label{display:block;font-size:13px;color:rgba(255,255,255,.6);margin-top:4px}

/* ---------- 通用板块头 ---------- */
.section-head{margin-bottom:48px;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.08em;color:var(--primary);margin-bottom:14px;text-transform:uppercase;
}
.eyebrow::before{content:'';width:20px;height:2px;border-radius:2px;background:var(--primary)}
.h2{font-size:32px;margin-bottom:16px}
.lead{font-size:18px;line-height:1.8;color:var(--ink-2);margin:0}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:0;margin-top:8px}
.timeline::before{
  content:'';position:absolute;left:39px;top:12px;bottom:40px;width:2px;
  background:linear-gradient(180deg,var(--primary-soft),var(--line));
}
.tl-item{position:relative;padding-left:104px;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:0;width:52px;height:52px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary-deep);
  display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:17px;
  box-shadow:0 0 0 6px rgba(14,124,102,.08),0 0 0 7px var(--paper);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-sm);
  transition:transform .15s ease-out,box-shadow .15s ease-out;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md)}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px}
.tl-date{
  font-family:var(--mono);font-size:14px;font-weight:600;color:var(--primary-deep);
  background:var(--primary-soft);border-radius:var(--r-pill);padding:4px 12px;
}
.tl-time{font-family:var(--mono);font-size:14px;color:var(--muted)}
.tl-title{font-size:20px;font-weight:600;margin-bottom:10px}
.tl-desc{color:var(--ink-2);font-size:15.5px;line-height:1.8;margin-bottom:16px}
.tl-tags{margin-bottom:16px}
.tl-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- 看点编号列表 ---------- */
.focus-layout{display:grid;grid-template-columns:1fr 2fr;gap:56px}
.focus-list{border-top:1px solid var(--line)}
.focus-item{
  display:flex;gap:24px;padding:24px 16px;border-bottom:1px solid var(--line);
  transition:background-color .15s ease;
}
.focus-item:hover{background:var(--paper)}
.focus-num{
  font-family:var(--mono);font-size:28px;font-weight:700;color:var(--primary-soft);
  -webkit-text-stroke:1px var(--primary);line-height:1;flex:0 0 auto;min-width:56px;
  letter-spacing:.02em;
}
.focus-body h3{font-size:18px;font-weight:600;margin-bottom:6px}
.focus-body p{margin:0;font-size:15.5px;color:var(--ink-2);line-height:1.75}

/* ---------- 观看指引 ---------- */
.pick-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.pick-img img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--sh-md);
}
.pick-list{display:grid;gap:16px;margin-top:24px}
.pick-row{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-sm);
  transition:transform .15s ease-out,box-shadow .15s ease-out;
}
.pick-row:hover{transform:translateY(-2px);box-shadow:var(--sh-md)}
.pick-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--primary-soft);
  color:var(--primary);display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:14px;
}
.pick-row h3{font-size:17px;font-weight:600;margin-bottom:4px}
.pick-row p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.75}

/* ---------- 订阅 ---------- */
.subscribe{padding:0 0 96px}
.sub-card{
  background:var(--primary-soft);border:1px solid #cfe8e0;border-radius:24px;
  padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.sub-card h2{font-size:28px;margin-bottom:12px}
.sub-card p{margin:0;color:var(--ink-2);font-size:16px;line-height:1.8}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-input{
  flex:1 1 220px;height:48px;border-radius:var(--r-input);border:1px solid var(--line);
  background:var(--card);padding:0 16px;font-size:15px;outline:none;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.sub-input::placeholder{color:var(--muted)}
.sub-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,124,102,.16)}
.form-note{width:100%;font-size:12.5px;color:var(--muted);margin-top:12px;letter-spacing:.02em}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:500;cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{
  content:'+';font-family:var(--mono);font-size:20px;color:var(--primary);
  transition:transform .2s ease;flex:0 0 auto;line-height:1;
}
details[open] .faq-q::after{content:'−';transform:rotate(180deg)}
.faq-a{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);border-top:1px solid var(--line);padding-top:16px;margin-top:-1px}
.faq-a p{margin:0}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(520px 240px at 78% 40%,rgba(200,241,105,.10),transparent 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:64px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:32px;margin-bottom:12px}
.cta-inner p{margin:0;color:rgba(255,255,255,.72);font-size:16px;max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.62);margin-bottom:16px;max-width:320px}
.footer-badge{
  display:inline-block;font-family:var(--mono);font-size:12.5px;color:var(--accent);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);padding:5px 14px;
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--accent);margin-bottom:18px;letter-spacing:.04em}
.footer-col a,.footer-col p{
  display:block;font-size:15px;line-height:1.9;color:rgba(255,255,255,.7);margin:0 0 6px;
}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.02em;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;left:0;right:0;top:104px;bottom:0;z-index:70;
    background:var(--paper);flex-direction:column;align-items:stretch;gap:0;
    padding:16px 24px 40px;overflow-y:auto;
    transform:translateY(-10px);opacity:0;pointer-events:none;visibility:hidden;
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
    border-top:1px solid var(--line);
  }
  .nav-links.open{opacity:1;transform:none;pointer-events:auto;visibility:visible}
  .nav-links a{
    padding:16px 0;border-bottom:1px solid var(--line);font-size:17px;min-height:52px;
    display:flex;align-items:center;
  }
  .nav-links a.active::after{display:none}
  .nav-links a.active{color:var(--primary)}
  .drawer-cta{display:block;margin-top:24px}
  .drawer-cta .btn{width:100%}
  .nav-actions .btn-primary{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1}
  .hero-title{font-size:36px}
  .h2{font-size:28px}
  .focus-layout{grid-template-columns:1fr;gap:32px}
  .pick-layout{grid-template-columns:1fr}
  .sub-card{grid-template-columns:1fr;gap:24px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .tl-item{padding-left:88px}
  .timeline::before{left:33px}
  .tl-num{width:44px;height:44px;font-size:15px}
}
@media (max-width:767px){
  body{font-size:16.5px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .topbar-inner{padding:6px 16px}
  .topbar-right .hide-mobile{display:none}
  .header-inner{padding:0 16px;height:60px}
  .nav-links{top:96px}
  .hero-title{font-size:28px}
  .hero-sub{font-size:16.5px}
  .h2{font-size:24px}
  .lead{font-size:16.5px}
  .cd-inner{padding:24px 0;justify-content:center;text-align:center}
  .cd-cell{min-width:64px;padding:0 12px}
  .cd-num{font-size:32px}
  .timeline::before{display:none}
  .tl-item{padding-left:0;padding-bottom:24px}
  .tl-num{position:static;margin-bottom:12px;box-shadow:none}
  .cta-inner{padding:48px 0}
  .cta-inner h2{font-size:24px}
  .subscribe{padding-bottom:56px}
  .sub-card{padding:24px}
  .sub-card h2{font-size:22px}
  .footer-grid{gap:28px}
  .site-footer{padding:56px 0 28px}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%}
  .tl-actions .btn{width:100%}
  .sub-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .focus-item{gap:16px;padding:20px 0}
  .focus-num{font-size:22px;min-width:44px}
  .cd-cell{min-width:56px;padding:0 8px}
  .cd-num{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .btn:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --ink:#101418;
  --ink-2:#2A3138;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --primary:#0E7C66;
  --primary-deep:#0A5A4B;
  --primary-soft:#E3F3EE;
  --accent:#C8F169;
  --alert:#FF6B4A;
  --line:#E4E2DC;
  --muted:#6E6A63;
  --radius-pill:999px;
  --radius-card:16px;
  --radius-input:12px;
  --radius-cover:20px;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 8px 24px -12px rgba(16,20,24,.18);
  --shadow-lg:0 24px 48px -24px rgba(16,20,24,.28);
  --sp-section:96px;
  --font-cn:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .16s ease-out}
a:hover{color:var(--primary-deep);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em;font-weight:700;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dt,dd{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{font-family:var(--font-num);color:#fff;letter-spacing:.04em}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.24)}
.topbar-note{color:rgba(255,255,255,.62);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{color:rgba(255,255,255,.78);white-space:nowrap}
.topbar-link:hover{color:var(--accent);text-decoration:none}
.topbar-link-strong{color:var(--accent);font-weight:600}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.24)}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:28px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
.logo:hover{text-decoration:none;color:var(--ink)}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--primary);color:#fff;
  font-family:var(--font-num);font-size:14px;font-weight:700;letter-spacing:.02em;
}
.logo-text{font-size:20px;font-weight:700;letter-spacing:-.01em}
.logo-text span{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:36px;
  padding:0 14px;border-radius:var(--radius-pill);
  color:var(--ink-2);font-size:15px;white-space:nowrap;
}
.nav-links a:hover{background:var(--primary-soft);color:var(--primary-deep);text-decoration:none}
.nav-links a.active{color:var(--primary-deep);font-weight:600;background:var(--primary-soft)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--card);
  border-radius:12px;color:var(--ink);align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{background:var(--primary-soft);border-color:var(--primary-soft)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--radius-pill);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .16s ease-out,background-color .16s ease-out,box-shadow .16s ease-out,color .16s ease-out;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary-soft);color:var(--primary-deep)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#d6f889;color:var(--ink)}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px}
.link-arrow i{transition:transform .16s ease-out}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:13px;letter-spacing:.02em;white-space:nowrap;
}
.badge-soft{background:var(--paper);color:var(--muted);border:1px solid var(--line)}
.badge-primary{background:var(--primary-soft);color:var(--primary-deep)}
.badge-accent{background:var(--accent);color:var(--ink);font-weight:600}
.badge-alert{background:var(--alert);color:#fff;font-weight:600}
.dot-live{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  background:var(--card);font-size:14px;color:var(--ink-2);
}
.tag:hover{border-color:var(--primary);color:var(--primary-deep);text-decoration:none}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);letter-spacing:.02em}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary-deep)}
.breadcrumb .sep{color:#c4c0b8}
.breadcrumb .current{color:var(--muted)}

/* ---------- Hero ---------- */
.cat-hero{padding:40px 0 0}
.hero-head{max-width:820px;display:flex;flex-direction:column;gap:18px}
.hero-head h1{font-size:44px;line-height:1.15}
.hero-lead{font-size:18px;line-height:1.8;color:var(--ink-2);max-width:720px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.hero-banner{
  position:relative;margin-top:36px;border-radius:var(--radius-cover);overflow:hidden;
  box-shadow:var(--shadow-md);aspect-ratio:16/5;background:var(--ink);
}
.hero-banner img{width:100%;height:100%;object-fit:cover}
.banner-mask{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(16,20,24,.72) 0%,rgba(16,20,24,.28) 42%,rgba(16,20,24,0) 100%);
}
.banner-caption{
  position:absolute;left:28px;right:28px;bottom:24px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
}
.banner-caption h2{color:#fff;font-size:22px;letter-spacing:0}
.banner-caption p{color:rgba(255,255,255,.78);font-size:14px;margin-top:6px}
.banner-facts{display:flex;gap:24px}
.banner-fact{text-align:right}
.banner-fact b{display:block;font-family:var(--font-num);font-size:26px;font-variant-numeric:tabular-nums;color:var(--accent);line-height:1.2}
.banner-fact span{font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.04em}

/* ---------- 通用板块 ---------- */
.section{padding-top:var(--sp-section)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px}
.section-head h2{font-size:32px}
.section-head .sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px}
.section-head-l{max-width:680px}

/* ---------- 规格速览：定义列表 ---------- */
.spec-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:8px 24px;box-shadow:var(--shadow-sm);
}
.spec-row{
  display:grid;grid-template-columns:160px 1fr;gap:24px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.spec-row:last-child{border-bottom:0}
.spec-key{color:var(--muted);font-size:15px;letter-spacing:.02em}
.spec-val{color:var(--ink);font-size:16px;line-height:1.8}
.spec-val b{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--primary-deep)}
.spec-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- 横向对比容器 ---------- */
.compare-wrap{position:relative}
.compare-scroll{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.compare-scroll::-webkit-scrollbar{height:8px}
.compare-scroll::-webkit-scrollbar-thumb{background:#d9d6cf;border-radius:8px}
.plan-card{
  flex:0 0 340px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#d6d3cb}
.plan-card.is-featured{border-color:var(--primary);box-shadow:var(--shadow-md)}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.plan-name{font-size:20px;font-weight:700}
.plan-desc{font-size:14px;color:var(--muted);min-height:44px}
.plan-price{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:28px;color:var(--ink);margin:16px 0 4px}
.plan-price span{font-size:13px;color:var(--muted);font-family:var(--font-cn);margin-left:6px}
.plan-list{margin-top:18px;border-top:1px solid var(--line);padding-top:16px;display:flex;flex-direction:column;gap:12px}
.plan-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.7}
.plan-list i{color:var(--primary);margin-top:5px;font-size:13px}
.plan-list li.mute i{color:#c4c0b8}
.plan-list li.mute{color:var(--muted)}
.compare-hint{margin-top:10px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}

/* ---------- 选购流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;position:relative;transition:transform .16s ease-out,box-shadow .16s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.step-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:var(--primary-soft);
  -webkit-text-stroke:1px var(--primary);letter-spacing:.02em;
}
.step h3{font-size:18px;margin:12px 0 8px}
.step p{font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- 服务保障 ---------- */
.svc-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:transform .16s ease-out,box-shadow .16s ease-out;
}
.svc-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.svc-icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-soft);color:var(--primary-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.svc-card h3{font-size:18px}
.svc-card p{font-size:15px;color:var(--muted);line-height:1.8}
.svc-card.wide{flex-direction:row;align-items:center;gap:24px}
.svc-card.wide img{width:200px;aspect-ratio:16/10;object-fit:cover;border-radius:12px;flex-shrink:0}
.svc-card.wide .svc-body{display:flex;flex-direction:column;gap:10px}

/* ---------- FAQ ---------- */
.faq-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:8px 24px;box-shadow:var(--shadow-sm);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;background:none;border:0;text-align:left;
  font-size:16px;font-weight:500;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--primary-deep)}
.faq-q i{color:var(--primary);font-size:15px;transition:transform .2s ease-out;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--muted);max-width:760px}

/* ---------- 订阅模块 ---------- */
.subscribe{
  background:var(--primary-soft);border-radius:var(--radius-cover);
  padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
}
.subscribe h2{font-size:26px;letter-spacing:-.01em}
.subscribe p{margin-top:10px;color:var(--ink-2);font-size:15px;line-height:1.8}
.sub-form{display:flex;gap:12px}
.sub-form input{
  flex:1;height:48px;padding:0 16px;border:1px solid var(--line);
  border-radius:var(--radius-input);background:#fff;color:var(--ink);font-size:15px;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.sub-form input::placeholder{color:var(--muted)}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(14,124,102,.28)}
.sub-tip{margin-top:12px;font-size:13px;color:var(--muted)}
.sub-msg{margin-top:10px;font-size:13px;color:var(--primary-deep);display:none}
.sub-msg.show{display:block}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  margin-top:var(--sp-section);
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 200px at 15% 0%,rgba(14,124,102,.28),transparent 70%);
}
.cta-inner{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:24px;padding:64px 0;
}
.cta-inner h2{color:#fff;font-size:30px}
.cta-inner p{color:rgba(255,255,255,.72);margin-top:10px;font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px;display:inline-flex}
.footer-brand p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.7);max-width:320px}
.footer-badge{
  display:inline-block;margin-top:16px;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.62);
  font-family:var(--font-num);font-size:13px;letter-spacing:.04em;
}
.footer-col h4{font-size:14px;color:var(--accent);margin-bottom:16px;letter-spacing:.04em}
.footer-col a,.footer-col p{display:block;font-size:15px;color:rgba(255,255,255,.7);line-height:1.9;margin-bottom:6px}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(247,246,242,.99);
  display:none;flex-direction:column;padding:20px 24px 28px;
}
.mobile-drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);display:inline-flex;align-items:center;justify-content:center;font-size:17px;color:var(--ink);
}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  display:flex;align-items:center;height:52px;padding:0 16px;border-radius:12px;
  font-size:17px;color:var(--ink);border:1px solid var(--line);background:var(--card);
}
.drawer-nav a:hover{text-decoration:none;background:var(--primary-soft);color:var(--primary-deep)}
.drawer-nav a.active{border-color:var(--primary);color:var(--primary-deep);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:1023px){
  :root{--sp-section:72px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{min-height:60px;gap:16px}
  .hero-head h1{font-size:36px}
  .section-head h2{font-size:28px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:1fr 1fr}
  .svc-card.wide{grid-column:1 / -1}
  .subscribe{grid-template-columns:1fr;gap:24px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col:last-child{grid-column:auto}
  .topbar-note{display:none}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  .container{padding:0 16px}
  body{font-size:16px}
  .hero-head h1{font-size:28px}
  .hero-lead{font-size:16px}
  .section-head h2{font-size:24px}
  .cat-hero{padding-top:28px}
  .hero-banner{aspect-ratio:16/9;margin-top:24px}
  .banner-caption{left:16px;right:16px;bottom:16px}
  .banner-facts{gap:16px}
  .banner-fact b{font-size:20px}
  .spec-card,.faq-card{padding:6px 20px}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:16px 0}
  .steps{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:1fr}
  .svc-card.wide{flex-direction:column;align-items:flex-start}
  .svc-card.wide img{width:100%}
  .plan-card{flex:0 0 84%}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .cta-inner{padding:48px 0;flex-direction:column;align-items:flex-start}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .header-actions .btn{display:none}
}
@media (max-width:479px){
  .plan-card{flex:0 0 92%}
  .banner-caption h2{font-size:18px}
  .topbar-link-strong{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}