/* roulang page: index */
:root{
  --brand:#0E9E93;--brand-deep:#0A6F68;--brand-soft:#E6F6F3;
  --accent:#FF6B3D;--accent-soft:#FFEDE6;--gold:#FFC24B;
  --ink:#141A1C;--ink-2:#5A6A6E;--line:#E6E9E7;
  --bg:#FAF8F4;--bg-alt:#F2F7F5;--dark:#0E1A1F;
  --grad-brand:linear-gradient(135deg,#0A6F68 0%,#0E9E93 52%,#38C6A4 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D 0%,#FF5C7A 100%);
  --r-xl:28px;--r-lg:24px;--r-md:18px;--r-sm:13px;
  --sh-1:0 2px 8px rgba(14,26,31,.06);
  --sh-2:0 10px 30px rgba(14,26,31,.08);
  --sh-3:0 18px 44px rgba(14,26,31,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:"Barlow","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;line-height:1.85;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand)}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1280px){.container{max-width:1280px}}
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:30px}
.kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-deep);background:var(--brand-soft);padding:4px 12px;border-radius:999px;margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px}
.link-more{font-size:14px;font-weight:600;color:var(--brand-deep);white-space:nowrap}
.link-more:hover{color:var(--accent)}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .section-head h2{font-size:24px}
}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-soft);border-bottom:1px solid rgba(14,158,147,.14);font-size:13px;color:var(--brand-deep)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px}
.topbar__live{display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,107,61,.5)}70%{box-shadow:0 0 0 8px rgba(255,107,61,0)}100%{box-shadow:0 0 0 0 rgba(255,107,61,0)}}
.topbar__links{display:flex;gap:22px;flex:none;font-weight:600}
.topbar__links a:hover{color:var(--accent)}
@media (max-width:860px){.topbar__links{display:none}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(250,248,244,.95);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease)}
.site-header:hover{box-shadow:var(--sh-1)}
.header__inner{display:flex;align-items:center;gap:28px;height:72px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);letter-spacing:-.01em;flex:none}
.logo__mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);position:relative;flex:none;box-shadow:0 6px 16px rgba(14,158,147,.28)}
.logo__mark::after{content:"";position:absolute;inset:9px;border-radius:5px;background:rgba(255,255,255,.9)}
.logo:hover{color:var(--brand)}
.logo__text{white-space:nowrap}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:10px 16px;font-size:15px;font-weight:500;color:var(--ink);border-radius:999px;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:16px;right:16px;bottom:5px;height:2px;border-radius:2px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-deep);font-weight:600}
.nav-link i{font-size:11px;opacity:.6;transition:transform .24s var(--ease)}
.has-mega:hover .nav-link i{transform:rotate(180deg)}
.header__cta{height:44px;padding:0 22px;font-size:14px;flex:none}
.nav-toggle{display:none;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-deep);padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;margin-left:auto}

/* Mega Menu */
.mega{display:none;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-3);padding:28px}
@media (min-width:1024px){
  .mega{position:absolute;top:calc(100% + 6px);left:50%;width:840px;transform:translateX(-50%) translateY(10px);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s var(--ease),transform .24s var(--ease),visibility .2s}
  .has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
}
.mega__grid{display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:30px}
.mega__col h4{font-size:14px;color:var(--brand-deep);letter-spacing:.04em;margin-bottom:14px}
.mega__list li+li{margin-top:2px}
.mega__list a{display:block;padding:9px 12px;border-radius:11px;font-size:14px;color:var(--ink-2);transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.mega__list a:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateX(2px)}
.mega__news li+li{margin-top:14px}
.mega__news a{display:block;font-size:14px;font-weight:500;color:var(--ink)}
.mega__news a:hover{color:var(--brand)}
.mega__time{display:inline-block;margin-top:4px;font-size:12px;font-weight:600;color:var(--brand-deep);background:var(--brand-soft);padding:2px 10px;border-radius:999px}
.mega__card{display:block;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:var(--bg);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.mega__card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.mega__card img{width:100%;height:132px;object-fit:cover}
.mega__card-body{padding:14px 16px 18px}
.mega__card-body strong{display:block;font-size:15px;margin-bottom:4px}
.mega__card-body span{font-size:13px;color:var(--ink-2)}
.mega__pill{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;font-weight:600;color:#fff;background:var(--grad-cta);padding:7px 16px;border-radius:999px}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .header__cta{display:none}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:0 0 22px 22px;box-shadow:var(--sh-3);padding:14px;display:none}
  .main-nav.is-open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{padding:13px 14px;border-radius:14px}
  .nav-link::after{display:none}
  .nav-link.is-active{background:var(--brand-soft)}
  .mega{position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;box-shadow:none;border:0;padding:10px;margin-top:6px;background:var(--bg-alt);border-radius:16px}
  .mega__grid{grid-template-columns:1fr;gap:20px}
  .mega__card img{height:150px}
}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);will-change:transform}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 26px rgba(255,107,61,.3)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,107,61,.38)}
.btn-outline{border-color:var(--brand);color:var(--brand-deep);background:#fff}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
@media (max-width:640px){.btn{width:100%;padding:15px 22px}}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);background:#fff;border:1px solid rgba(14,158,147,.28);padding:5px 14px;border-radius:999px}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;letter-spacing:.02em;padding:4px 11px;border-radius:999px}
.badge-soft{background:var(--brand-soft);color:var(--brand-deep)}
.badge-accent{background:var(--accent-soft);color:#C63A18}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 84px;background:linear-gradient(180deg,#F2F7F5 0%,#FAF8F4 100%);overflow:hidden}
.hero::after{content:"";position:absolute;right:-180px;top:-160px;width:620px;height:620px;border-radius:50%;background:var(--grad-brand);opacity:.09}
.hero__deco{position:absolute;right:-60px;bottom:-70px;width:420px;height:280px;border-radius:36px;overflow:hidden;opacity:.14;pointer-events:none}
.hero__deco img{width:100%;height:100%;object-fit:cover}
.hero .grid-x{position:relative;z-index:2}
.hero__media{margin-bottom:28px}
.live-cover{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:#000}
.live-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.live-cover:hover img{transform:scale(1.03)}
.live-cover__mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,26,31,0) 40%,rgba(14,26,31,.55) 100%)}
.live-cover__badge{position:absolute;top:16px;left:16px;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:#fff;background:var(--accent);padding:6px 14px;border-radius:999px;box-shadow:0 6px 18px rgba(255,107,61,.4)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.86);border:2px solid #fff;display:flex;align-items:center;justify-content:center;transition:transform .24s var(--ease),background .24s var(--ease)}
.play-btn::after{content:"";width:0;height:0;border-left:16px solid var(--brand-deep);border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}
.live-cover:hover .play-btn{transform:translate(-50%,-50%) scale(1.06);background:#fff}
.live-cover__note{margin-top:14px;font-size:14px;color:var(--ink-2)}
.hero__body{margin-bottom:20px}
.hero h1{font-size:46px;line-height:1.25;margin:18px 0 16px;letter-spacing:-.015em}
.hero__sub{font-size:17px;color:var(--ink-2);max-width:620px;margin-bottom:26px}
.countdown{display:flex;align-items:center;gap:10px;margin-bottom:26px;flex-wrap:wrap}
.countdown__unit{background:var(--dark);border-radius:var(--r-md);padding:12px 18px;min-width:86px;text-align:center;box-shadow:var(--sh-2)}
.countdown__num{display:block;font-family:var(--mono);font-size:34px;font-weight:700;color:#fff;line-height:1.1;letter-spacing:.02em}
.countdown__lab{display:block;font-size:12px;color:rgba(255,255,255,.62);margin-top:2px}
.countdown__sep{font-family:var(--mono);font-size:26px;color:var(--ink-2);opacity:.5}
.countdown__state{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:6px 14px;border-radius:999px}
.countdown__state .dot{background:var(--accent)}
.highlights{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;margin-bottom:28px}
.highlights li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.7}
.hl-ico{flex:none;width:22px;height:22px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:4px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.stat-badges{display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{position:relative;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink);background:#fff;padding:9px 18px;border-radius:999px;box-shadow:var(--sh-1)}
.stat-badge::before{content:"";position:absolute;inset:0;border-radius:999px;padding:1px;background:var(--grad-brand);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.stat-badge b{font-family:var(--mono);color:var(--brand-deep);font-size:14px}
.stat-badge i{color:var(--brand)}
@media (max-width:1023px){
  .hero{padding:44px 0 56px}
  .hero h1{font-size:32px}
  .hero__sub{font-size:16px}
  .highlights{grid-template-columns:1fr}
}
@media (max-width:640px){
  .hero h1{font-size:28px}
  .countdown__unit{min-width:0;flex:1;padding:10px 8px}
  .countdown__num{font-size:26px}
  .countdown__sep{display:none}
  .countdown{gap:8px}
  .stat-badge{width:100%;justify-content:flex-start}
}

/* ---------- 数据信任条 ---------- */
.trust{padding:0 0 8px}
.trust__wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:28px 12px;margin-top:-48px;position:relative;z-index:3}
.trust__item{text-align:center;padding:8px 12px}
.trust__num{font-family:var(--mono);font-size:32px;font-weight:700;color:var(--brand-deep);line-height:1.1}
.trust__num span{font-size:16px;color:var(--brand)}
.trust__lab{font-size:13px;color:var(--ink-2);margin-top:6px}
@media (max-width:640px){
  .trust__num{font-size:24px}
  .trust__wrap{margin-top:-32px;padding:18px 8px}
}

/* ---------- 卡片列表 ---------- */
.post-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);margin-bottom:24px}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(14,158,147,.28)}
.post-card__cover{position:relative;overflow:hidden}
.post-card__cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.post-card:hover .post-card__cover img{transform:scale(1.04)}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-card__body .badge{align-self:flex-start;margin-bottom:12px}
.post-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover h3{color:var(--brand)}
.post-card p{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.post-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:14px}
.post-card__meta i{color:var(--brand);margin-right:6px}
.empty-state{background:#fff;border:1px dashed rgba(14,158,147,.4);border-radius:var(--r-lg);padding:56px 24px;text-align:center}
.empty-state__ico{width:56px;height:56px;border-radius:18px;background:var(--brand-soft);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 16px}
.empty-state p{color:var(--ink-2);margin-bottom:20px}

/* ---------- 分类入口长条卡 ---------- */
.cat-lanes{margin-top:8px}
.cat-lane{display:flex;align-items:stretch;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);margin-bottom:24px}
.cat-lane:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(14,158,147,.3)}
.cat-lane__img{flex:0 0 44%;position:relative;overflow:hidden}
.cat-lane__img img{width:100%;height:100%;min-height:250px;object-fit:cover;transition:transform .5s var(--ease)}
.cat-lane:hover .cat-lane__img img{transform:scale(1.04)}
.cat-lane__body{padding:34px 32px;display:flex;flex-direction:column;justify-content:center}
.cat-lane__body h3{font-size:23px;margin:14px 0 12px}
.cat-lane__body p{font-size:15px;color:var(--ink-2);margin-bottom:20px;max-width:520px}
.cat-lane__more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-deep)}
.cat-lane:hover .cat-lane__more{color:var(--accent)}
.cat-lane--offset{margin-left:0}
@media (min-width:1024px){
  .cat-lane--offset{margin-top:56px}
}
@media (max-width:1023px){
  .cat-lane{flex-direction:column}
  .cat-lane__img{flex:none}
  .cat-lane__img img{min-height:200px}
  .cat-lane__body{padding:24px 22px 26px}
  .cat-lane--offset{margin-top:0}
}
.cat-mini-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.cat-mini-list span{font-size:13px;color:var(--ink-2);background:var(--bg-alt);border:1px solid var(--line);padding:4px 12px;border-radius:999px}

/* ---------- 回放横滑 ---------- */
.rail-wrap{position:relative;margin-top:8px}
.rail{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px 32px 28px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail > *{scroll-snap-align:start;flex:0 0 320px}
.replay-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.replay-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.replay-card__cover{position:relative}
.replay-card__cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.replay-card__dur{position:absolute;right:12px;bottom:12px;font-size:12px;font-weight:600;color:#fff;background:rgba(14,26,31,.75);padding:3px 10px;border-radius:999px}
.replay-card__body{padding:18px 20px 22px}
.replay-card h3{font-size:16px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.replay-card:hover h3{color:var(--brand)}
.replay-card span.date{font-size:13px;color:var(--ink-2)}
.rail-fade{position:absolute;top:0;bottom:20px;width:80px;pointer-events:none;z-index:2}
.rail-fade--l{left:0;background:linear-gradient(90deg,var(--bg-alt),rgba(242,247,245,0))}
.rail-fade--r{right:0;background:linear-gradient(270deg,var(--bg-alt),rgba(242,247,245,0))}
@media (max-width:768px){
  .rail{padding:8px 20px 22px;gap:16px}
  .rail > *{flex:0 0 78%}
  .rail-fade{display:none}
}

/* ---------- FAQ ---------- */
.faq__aside-inner{position:sticky;top:110px}
.faq__aside h2{font-size:28px;margin-bottom:14px}
.faq__aside p{color:var(--ink-2);font-size:15px;margin-bottom:22px}
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px;padding:16px 26px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;transition:background .2s var(--ease),color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--bg-alt);color:var(--brand-deep)}
.faq-item summary::after{content:"+";flex:none;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);font-size:17px;font-weight:600;display:flex;align-items:center;justify-content:center;transition:transform .24s var(--ease),background .24s var(--ease)}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-body{padding:0 26px 22px 24px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:720px}
@media (max-width:1023px){.faq__aside-inner{position:static;margin-bottom:26px}}
@media (max-width:640px){.faq-item summary{padding:14px 18px;font-size:15px}.faq-body{padding:0 18px 18px 18px}}

/* ---------- 订阅 CTA ---------- */
.subscribe{position:relative;background:var(--dark);border-radius:var(--r-xl);padding:52px 48px;overflow:hidden;color:#fff}
.subscribe::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:var(--grad-brand);opacity:.22}
.subscribe__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center}
.subscribe h2{font-size:28px;margin-bottom:14px}
.subscribe__text p{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:18px}
.subscribe__points{display:flex;flex-wrap:wrap;gap:10px}
.subscribe__points span{font-size:13px;color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.22);padding:5px 14px;border-radius:999px}
.subscribe__form{display:flex;gap:12px}
.subscribe__form input{flex:1;height:52px;padding:0 18px;border-radius:14px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.subscribe__form input::placeholder{color:rgba(255,255,255,.45)}
.subscribe__form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,158,147,.25)}
.subscribe__form .btn{height:52px;padding:0 26px}
.subscribe__note{position:relative;z-index:2;margin-top:18px;font-size:13px;color:rgba(255,255,255,.55)}
@media (max-width:900px){
  .subscribe{padding:36px 24px}
  .subscribe__grid{grid-template-columns:1fr;gap:26px}
  .subscribe__form{flex-direction:column}
  .subscribe__form .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer__brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.footer__brand .logo__mark{box-shadow:none}
.site-footer p{font-size:14px;line-height:1.85}
.footer__title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.footer__list li+li{margin-top:10px}
.footer__list a{font-size:14px;color:rgba(255,255,255,.7)}
.footer__list a:hover{color:var(--accent)}
.footer__bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
@media (max-width:860px){.site-footer{padding-top:52px}.footer__col{margin-bottom:32px}}

/* roulang page: article */
:root{
  --brand:#0E9E93;
  --brand-deep:#0A6F68;
  --brand-soft:#E6F6F3;
  --accent:#FF6B3D;
  --accent-soft:#FFEDE6;
  --gold:#FFC24B;
  --ink:#141A1C;
  --ink-2:#5A6A6E;
  --line:#E6E9E7;
  --bg:#FAF8F4;
  --bg-alt:#F2F7F5;
  --dark:#0E1A1F;
  --grad-brand:linear-gradient(135deg,#0A6F68 0%,#0E9E93 52%,#38C6A4 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D 0%,#FF5C7A 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(14,26,31,.06);
  --sh-2:0 10px 30px rgba(14,26,31,.08);
  --sh-3:0 18px 44px rgba(14,26,31,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.grid-x{display:flex;flex-flow:row wrap}
.grid-x>.cell{flex:0 0 auto;min-width:0;padding-left:12px;padding-right:12px}
.grid-x>.small-12{flex-basis:100%;max-width:100%}
.grid-x>.small-6{flex-basis:50%;max-width:50%}
@media screen and (min-width:640px){
  .grid-x>.medium-6{flex-basis:50%;max-width:50%}
  .grid-x>.medium-4{flex-basis:33.3333%;max-width:33.3333%}
}
@media screen and (min-width:1024px){
  .grid-x>.large-3{flex-basis:25%;max-width:25%}
  .grid-x>.large-4{flex-basis:33.3333%;max-width:33.3333%}
  .grid-x>.large-8{flex-basis:66.6667%;max-width:66.6667%}
  .grid-x>.large-2{flex-basis:16.6667%;max-width:16.6667%}
}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-soft);color:var(--brand-deep);font-size:14px;line-height:1.7}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding:8px 0}
.topbar__left{display:flex;align-items:center;gap:10px}
.topbar__dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,107,61,.45)}70%{box-shadow:0 0 0 10px rgba(255,107,61,0)}100%{box-shadow:0 0 0 0 rgba(255,107,61,0)}}
.topbar__right{display:flex;align-items:center;gap:20px}
.topbar__right a{color:var(--brand-deep)}
.topbar__right a:hover{color:var(--accent)}
@media screen and (max-width:767px){.topbar__right{display:none}}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo__mark{width:34px;height:34px;border-radius:12px;background:var(--grad-brand);position:relative;flex:0 0 auto;box-shadow:0 6px 16px rgba(14,158,147,.28)}
.logo__mark::after{content:"";position:absolute;inset:9px;border-radius:50%;border:2px solid rgba(255,255,255,.85)}
.logo__text{font-size:19px;font-weight:700;letter-spacing:-0.01em}
.main-nav{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list>li{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;font-size:15px;font-weight:500;color:var(--ink);border-radius:var(--r-pill);position:relative;transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link i{font-size:11px;color:var(--ink-2);transition:transform .2s var(--ease)}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand-deep);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-brand)}
.has-mega:hover .nav-link i,.has-mega:focus-within .nav-link i{transform:rotate(180deg)}
.nav-toggle{display:none;align-items:center;gap:8px;padding:9px 16px;font-size:14px;font-weight:600;color:var(--brand-deep);background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);cursor:pointer;transition:.2s var(--ease)}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* Mega 面板 */
.mega{position:absolute;top:calc(100% + 10px);left:-40px;width:840px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-3);padding:26px;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega__grid{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:26px}
.mega__col h4{font-size:14px;color:var(--brand-deep);letter-spacing:.02em;margin-bottom:12px}
.mega__list li a{display:block;padding:8px 10px;font-size:14px;color:var(--ink);border-radius:10px;transition:.2s var(--ease)}
.mega__list li a:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateX(2px)}
.mega__news li{padding:10px 0;border-bottom:1px dashed var(--line)}
.mega__news li:last-child{border-bottom:0}
.mega__news a{display:block;font-size:14px;color:var(--ink);line-height:1.6}
.mega__news a:hover{color:var(--brand)}
.mega__time{display:inline-block;margin-top:6px;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-pill);padding:2px 10px}
.mega__card{display:block;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;transition:.22s var(--ease)}
.mega__card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#d6e6e3}
.mega__card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega__card-body{display:block;padding:14px}
.mega__card-body strong{display:block;font-size:14px;color:var(--ink);line-height:1.55}
.mega__card-meta{display:block;margin-top:8px;font-family:var(--mono);font-size:13px;color:var(--ink-2)}
.mega__card-btn{display:inline-block;margin-top:10px;padding:6px 16px;font-size:12px;font-weight:600;color:#fff;background:var(--grad-cta);border-radius:var(--r-pill)}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--bg-alt);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--ink-2)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:#b9c4c1}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb li[aria-current] span{color:#93a09d;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:56px 0 0}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-pill)}
.article-head h1{font-size:40px;line-height:1.25;margin:18px 0 0;max-width:900px}
.article-lead{margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:820px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}
.meta-chip{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:var(--r-pill)}
.meta-chip i{color:var(--brand)}
.article-cover{margin-top:32px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 88px}
.article-body{font-size:17px;line-height:1.9;color:#232b2d;word-wrap:break-word}
.article-body h2{position:relative;font-size:26px;font-weight:700;line-height:1.4;margin:46px 0 16px;padding-left:18px}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:999px;background:var(--grad-brand)}
.article-body h3{font-size:19px;font-weight:600;margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0;line-height:1.85}
.article-body blockquote{margin:26px 0;padding:18px 24px;background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:var(--r-sm);color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:22px auto;box-shadow:var(--sh-1)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-deep)}
.article-body strong{color:var(--ink);font-weight:600}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.article-body th{background:var(--bg-alt);text-align:left;font-weight:600}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);line-height:1.7}
.article-body tr:last-child td{border-bottom:0}
.article-body tr:nth-child(even) td{background:#FCFCFA}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:36px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px}

/* 侧栏 */
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);margin-bottom:22px}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand)}
.toc-list li a{display:block;padding:8px 10px;font-size:14px;color:var(--ink-2);border-left:2px solid var(--line);transition:.2s var(--ease)}
.toc-list li a:hover{color:var(--brand-deep);border-left-color:var(--brand);background:var(--brand-soft)}
.side-live{background:var(--dark);color:#fff;border:0}
.side-live h3{color:#fff}
.side-live h3 i{color:var(--accent)}
.side-live p{font-size:14px;color:#b9c9c6;line-height:1.8}
.side-clock{display:flex;gap:8px;margin:16px 0}
.side-clock span{flex:1;text-align:center;background:rgba(255,255,255,.08);border-radius:12px;padding:8px 4px;font-family:var(--mono);font-size:20px;color:#fff}
.side-clock em{display:block;font-style:normal;font-size:11px;color:#8fa7a3;letter-spacing:.06em;margin-top:2px}
.side-reco li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.side-reco li:last-child{border-bottom:0;padding-bottom:0}
.side-reco img{width:76px;height:52px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.side-reco a{font-size:14px;color:var(--ink);line-height:1.6;display:block}
.side-reco a:hover{color:var(--brand)}
.side-reco time{display:block;font-size:12px;color:#93a09d;margin-top:4px}
.sidebar__sticky{position:sticky;top:96px}

/* 文末 */
.after-body{margin-top:56px;padding-top:34px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row span{font-size:13px;color:var(--ink-2);font-weight:600}
.tag-pill{display:inline-flex;padding:6px 15px;font-size:13px;color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-pill);transition:.2s var(--ease)}
.tag-pill:hover{background:var(--brand);color:#fff}
.related{padding:64px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:26px}
.section-head p{font-size:14px;color:var(--ink-2);margin-top:8px}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap}
.section-head .more:hover{color:var(--brand-deep)}
.post-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:.22s var(--ease)}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8e8e5}
.post-card__thumb{position:relative;overflow:hidden}
.post-card__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease)}
.post-card:hover .post-card__thumb img{transform:scale(1.04)}
.post-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__body h3{font-size:17px;line-height:1.55;font-weight:600}
.post-card__body h3 a{color:var(--ink)}
.post-card__body h3 a:hover{color:var(--brand)}
.post-card__body p{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.5px;color:#93a09d}
.mini-badge{display:inline-flex;padding:3px 11px;font-size:12px;font-weight:600;color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-pill)}

.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:48px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;font-size:15px;font-weight:600;border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease)}
.btn--primary{color:#fff;background:var(--grad-cta);box-shadow:0 10px 24px rgba(255,92,122,.26)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,92,122,.34)}
.btn--outline{color:var(--brand);background:transparent;border-color:var(--brand)}
.btn--outline:hover{color:#fff;background:var(--brand);transform:translateY(-2px)}
.btn--ghost{color:#fff;border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.06)}
.btn--ghost:hover{color:var(--dark);background:#fff}

/* 订阅卡 */
.subscribe{margin:72px 0 0;padding:38px 40px;border-radius:var(--r-lg);background:var(--dark);color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.subscribe h2{font-size:24px;color:#fff}
.subscribe p{font-size:14px;color:#a9bcb8;margin-top:10px;max-width:520px}
.subscribe form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe input{height:48px;min-width:260px;padding:0 18px;font-size:14px;color:var(--ink);background:#fff;border:1px solid rgba(255,255,255,.18);border-radius:14px;transition:.2s var(--ease)}
.subscribe input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,158,147,.25)}
.subscribe .privacy{width:100%;font-size:12px;color:#7f938f;margin-top:2px}

/* 空态 */
.empty-state{padding:64px 32px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.empty-state i{font-size:34px;color:var(--brand)}
.empty-state h2{font-size:22px;margin:16px 0 10px}
.empty-state p{color:var(--ink-2);font-size:15px;max-width:460px;margin:0 auto 22px}

/* 页脚 */
.site-footer{background:var(--dark);color:#c9d6d3;padding:64px 0 0;margin-top:80px}
.footer__col{margin-bottom:32px}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px}
.site-footer p{font-size:14px;color:#9db0ac;line-height:1.85}
.footer__title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer__list li{margin-bottom:10px}
.footer__list a{font-size:14px;color:#a9bcb8}
.footer__list a:hover{color:var(--accent)}
.footer__bottom{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.1);margin-top:24px;padding:22px 0 28px;font-size:13px;color:#7f938f}

/* 响应式 */
@media screen and (max-width:1279px){
  .mega{width:760px;left:-80px}
}
@media screen and (max-width:1023px){
  .container{padding:0 24px}
  .nav-toggle{display:inline-flex}
  .main-nav{position:absolute;top:100%;left:0;right:0;display:none;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-2);max-height:76vh;overflow-y:auto}
  .main-nav.is-open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 22px}
  .nav-link{padding:14px 6px;border-radius:0;border-bottom:1px solid var(--line);justify-content:space-between}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{color:var(--brand);background:transparent}
  .mega{position:static;width:100%;opacity:1;visibility:visible;transform:none;display:none;border:0;box-shadow:none;padding:6px 0 16px;border-radius:0}
  .has-mega.is-open .mega{display:block}
  .has-mega.is-open .nav-link i{transform:rotate(180deg)}
  .mega__grid{grid-template-columns:1fr;gap:18px}
  .article-head h1{font-size:32px}
  .article-body h2{font-size:23px}
  .subscribe{padding:30px 26px}
  .subscribe form{width:100%}
  .subscribe input{flex:1 1 auto;min-width:0}
}
@media screen and (max-width:767px){
  .container{padding:0 20px}
  .header__inner{min-height:60px}
  .logo__text{font-size:17px}
  .article-head{padding:36px 0 0}
  .article-head h1{font-size:27px}
  .article-lead{font-size:15.5px}
  .article-main{padding:40px 0 64px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px;margin:34px 0 12px}
  .section-head{flex-direction:column;align-items:flex-start}
  .related{padding:48px 0 0}
  .subscribe{margin-top:52px;padding:26px 20px}
  .subscribe h2{font-size:20px}
  .subscribe input{width:100%}
  .subscribe .btn{width:100%}
  .btn{width:100%}
  .back-row .btn{width:100%}
  .site-footer{padding-top:48px;margin-top:56px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:519px){
  .article-head h1{font-size:24px}
  .meta-chip{font-size:12px;padding:5px 12px}
  .crumb li[aria-current] span{max-width:200px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
  --brand:#0E9E93;
  --brand-deep:#0A6F68;
  --brand-soft:#E6F6F3;
  --accent:#FF6B3D;
  --accent-soft:#FFEDE6;
  --gold:#FFC24B;
  --ink:#141A1C;
  --ink-2:#5A6A6E;
  --line:#E6E9E7;
  --bg:#FAF8F4;
  --bg-alt:#F2F7F5;
  --dark:#0E1A1F;
  --grad-brand:linear-gradient(135deg,#0A6F68 0%,#0E9E93 52%,#38C6A4 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D 0%,#FF5C7A 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 2px 8px rgba(14,26,31,.06);
  --sh-2:0 10px 30px rgba(14,26,31,.08);
  --sh-3:0 18px 44px rgba(14,26,31,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;background-color:transparent;transition:color .22s var(--ease)}
a:hover{color:var(--brand)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit;margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
section[id]{scroll-margin-top:132px}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(14,26,31,.02);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:11px;font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo__mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);
  position:relative;flex:0 0 auto;box-shadow:0 6px 16px rgba(14,158,147,.28);
}
.logo__mark::after{
  content:"";position:absolute;inset:9px 8px 11px 8px;
  border-radius:60% 60% 45% 45%/70% 70% 40% 40%;
  background:rgba(255,255,255,.92);
}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

.main-nav{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:10px 15px;font-size:15px;font-weight:500;color:var(--ink);border-radius:999px;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link i{font-size:11px;transition:transform .22s var(--ease)}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-deep);font-weight:600}
.has-mega{position:relative}
.has-mega:hover .nav-link i,.has-mega:focus-within .nav-link i{transform:rotate(180deg)}

.mega{
  position:absolute;top:calc(100% + 12px);left:50%;
  width:min(840px,88vw);
  transform:translateX(-50%) translateY(10px);
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-3);padding:26px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{
  opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);
}
.mega__grid{display:grid;grid-template-columns:1.05fr 1.35fr 1fr;gap:24px}
.mega__col h4{margin:0 0 12px;font-size:14px;font-weight:600;color:var(--brand-deep);letter-spacing:.02em}
.mega__list li{margin-bottom:2px}
.mega__list a{
  display:block;padding:7px 10px;border-radius:10px;font-size:14px;color:var(--ink-2);
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.mega__list a:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateX(2px)}
.mega__news li{padding:8px 0;border-bottom:1px dashed var(--line)}
.mega__news li:last-child{border-bottom:0}
.mega__news a{display:block;font-size:14px;font-weight:500;color:var(--ink);line-height:1.6}
.mega__news a:hover{color:var(--brand)}
.mega__time{
  display:inline-block;margin-top:5px;padding:2px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.mega__card{
  display:block;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.mega__card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);color:inherit}
.mega__card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega__card-body{display:block;padding:14px}
.mega__card-body strong{display:block;font-size:15px;line-height:1.5;margin-bottom:8px}
.mega__pill{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--accent-soft);color:#D9481E;font-size:12px;font-weight:600;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px rgba(255,107,61,.28)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,107,61,.34)}
.btn--outline{border-color:var(--brand);color:var(--brand-deep);background:#fff}
.btn--outline:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn--mini{padding:8px 20px;font-size:13px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.btn--mini:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}

/* ---------- chips ---------- */
.chips-bar{
  position:sticky;top:72px;z-index:40;
  background:rgba(250,248,244,.96);
  border-bottom:1px solid var(--line);
  padding:12px 0;
}
.chips{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:14px;font-weight:500;color:var(--ink-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-active{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(14,158,147,.24)}

/* ---------- hero banner ---------- */
.hero-banner{padding:40px 0 16px}
.hero-banner__card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#E6F6F3 0%,#F5FBF9 52%,#FFEDE6 100%);
  border-radius:32px;padding:48px;
}
.hero-banner__card::before{
  content:"";position:absolute;top:-160px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:var(--grad-brand);opacity:.10;
}
.hero-banner__card::after{
  content:"";position:absolute;bottom:-190px;left:-90px;width:360px;height:360px;border-radius:50%;
  background:var(--grad-cta);opacity:.07;
}
.hero-banner__card .grid-x,.hero-banner__card .cell{position:relative;z-index:1}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.86);
  border:1px solid rgba(14,158,147,.24);
  font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);
  margin-bottom:18px;
}
.pill .dot{
  width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 0 rgba(255,107,61,.6);animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,107,61,.55)}
  70%{box-shadow:0 0 0 10px rgba(255,107,61,0)}
  100%{box-shadow:0 0 0 0 rgba(255,107,61,0)}
}
.hero-banner h1{font-size:42px;line-height:1.25;letter-spacing:-.01em;margin-bottom:16px;max-width:15em}
.hero-banner__lead{font-size:16px;color:var(--ink-2);max-width:34em;margin-bottom:26px;line-height:1.85}
.hero-banner__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-banner__media{position:relative;border-radius:24px}
.hero-banner__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px;
  box-shadow:var(--sh-2);transition:transform .3s var(--ease);
}
.hero-banner__media:hover img{transform:scale(1.02)}
.badge-float{
  position:absolute;display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;background:#fff;
  font-size:13px;font-weight:600;color:var(--ink);box-shadow:var(--sh-2);
  border:1px solid var(--line);
}
.badge-float i{color:var(--brand)}
.badge-float--a{top:16px;left:-14px}
.badge-float--b{bottom:20px;right:-12px}
.badge-float--b i{color:var(--accent)}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--bg-alt)}
.section__head{max-width:720px;margin-bottom:40px}
.section__head h2{font-size:28px;margin-bottom:12px}
.section__head p{color:var(--ink-2);margin:0}
.eyebrow{
  display:inline-block;margin-bottom:12px;padding:5px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}

/* ---------- stats ---------- */
.stats{padding:24px 0 8px}
.stats__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px 32px;box-shadow:var(--sh-1);
}
.stat{text-align:center}
.stat__num{
  display:block;font-family:"Barlow",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:34px;font-weight:700;line-height:1.1;letter-spacing:-.02em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:var(--brand-deep);
}
.stat__label{display:block;margin-top:6px;font-size:14px;color:var(--ink-2)}

/* ---------- session list ---------- */
.session-list{border:1px solid var(--line);background:#fff;border-radius:24px;overflow:hidden;box-shadow:var(--sh-1)}
.session{
  display:grid;grid-template-columns:150px 1fr 200px 110px;align-items:center;gap:20px;
  padding:22px 28px;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.session:last-child{border-bottom:0}
.session:hover{background:var(--bg-alt)}
.session__date{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"Barlow",ui-monospace,"SFMono-Regular",Menlo,monospace;
  font-size:15px;font-weight:600;color:var(--brand-deep);
}
.session__date i{color:var(--accent)}
.session__title{font-size:17px;font-weight:600;line-height:1.5}
.session__meta{font-size:14px;color:var(--ink-2)}
.session__action{text-align:right}

/* ---------- feature rows ---------- */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:26px;margin-bottom:24px;box-shadow:var(--sh-1);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.feature-row:hover{box-shadow:var(--sh-3);transform:translateY(-4px)}
.feature-row:nth-child(even) .feature-row__media{order:2}
.feature-row__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px}
.feature-row__body{padding:6px 6px}
.tag{
  display:inline-block;margin-bottom:12px;padding:5px 14px;border-radius:999px;
  background:var(--accent-soft);color:#D9481E;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.feature-row__body h3{font-size:20px;margin-bottom:10px}
.feature-row__body p{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-deep);
}
.link-arrow i{transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- teachers ---------- */
.teacher-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.teacher{
  display:flex;gap:20px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;
  box-shadow:var(--sh-1);transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.teacher:hover{box-shadow:var(--sh-3);transform:translateY(-4px)}
.teacher__avatar{
  width:88px;height:88px;flex:0 0 auto;border-radius:50%;overflow:hidden;
  border:3px solid var(--brand-soft);
}
.teacher__avatar img{width:100%;height:100%;object-fit:cover}
.teacher h3{font-size:18px;margin-bottom:6px}
.teacher__role{display:block;font-size:13px;font-weight:600;color:var(--brand);margin-bottom:8px}
.teacher p{font-size:14px;color:var(--ink-2);margin:0}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review{
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;
  box-shadow:var(--sh-1);transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.review:hover{box-shadow:var(--sh-3);transform:translateY(-4px)}
.review__stars{color:var(--gold);font-size:14px;letter-spacing:3px;margin-bottom:14px}
.review__text{font-size:15px;color:var(--ink);line-height:1.9;margin-bottom:18px}
.review__who{display:flex;align-items:center;gap:12px}
.review__name{
  width:42px;height:42px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
}
.review__who strong{display:block;font-size:15px;font-weight:600}
.review__who span{font-size:13px;color:var(--ink-2)}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:150px}
.faq-aside h2{font-size:26px;margin-bottom:12px}
.faq-aside p{color:var(--ink-2);font-size:15px}
.faq-list{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 28px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--bg-alt);color:var(--brand-deep)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-icon::before{top:8px;left:0;width:18px;height:2px}
.faq-icon::after{top:0;left:8px;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 28px 22px 52px;font-size:15px;color:var(--ink-2);line-height:1.9}

/* ---------- CTA ---------- */
.cta-card{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--brand-soft);border-radius:28px;padding:40px 44px;
  border:1px solid rgba(14,158,147,.18);
}
.cta-card h2{font-size:24px;margin-bottom:8px}
.cta-card p{color:var(--ink-2);margin:0;font-size:15px;max-width:46em}
.cta-card__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:80px}
.site-footer h4{color:#fff}
.footer__col{margin-bottom:36px}
.footer__brand{display:inline-flex;align-items:center;gap:11px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.footer__brand .logo__mark{box-shadow:none}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6)}
.footer__title{font-size:15px;font-weight:600;margin-bottom:16px}
.footer__list li{margin-bottom:10px}
.footer__list a{font-size:14px;color:rgba(255,255,255,.72)}
.footer__list a:hover{color:var(--accent)}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1140px}
}
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px}
  .header__inner{min-height:64px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;display:none;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-2);
    padding:14px 24px 22px;
  }
  .main-nav.is-open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{width:100%;justify-content:space-between;padding:13px 16px;border-radius:14px}
  .nav-link::after{display:none}
  .mega{
    position:static;width:100%;transform:none;opacity:1;visibility:visible;display:none;
    box-shadow:none;border:0;border-radius:0;padding:8px 0 8px 12px;background:transparent;
  }
  .has-mega.is-open .mega{display:block}
  .mega__grid{grid-template-columns:1fr;gap:18px}
  .chips-bar{top:64px}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .hero-banner__card{padding:36px 28px}
  .hero-banner h1{font-size:34px}
  .hero-banner__media{margin-top:32px}
  .badge-float--a{left:10px}
  .badge-float--b{right:10px}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:24px;padding:24px}
  .session{grid-template-columns:130px 1fr;gap:10px 16px;padding:20px}
  .session__meta{grid-column:2}
  .session__action{grid-column:2;text-align:left}
  .feature-row{grid-template-columns:1fr;gap:24px;padding:22px}
  .feature-row:nth-child(even) .feature-row__media{order:0}
  .teacher-grid,.review-grid{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .cta-card{padding:32px 28px}
  section[id]{scroll-margin-top:120px}
}
@media (max-width:639px){
  .container{padding-left:20px;padding-right:20px}
  .hero-banner{padding:24px 0 8px}
  .hero-banner__card{padding:28px 20px;border-radius:24px}
  .hero-banner h1{font-size:28px}
  .hero-banner__lead{font-size:15px}
  .hero-banner__actions .btn{width:100%}
  .logo{font-size:17px}
  .section{padding:48px 0}
  .section__head h2{font-size:23px}
  .stats__grid{grid-template-columns:1fr 1fr;border-radius:20px}
  .stat__num{font-size:28px}
  .session{grid-template-columns:1fr}
  .session__meta,.session__action{grid-column:1}
  .session__action .btn--mini{width:100%}
  .feature-row{padding:18px;border-radius:20px}
  .teacher{flex-direction:column;gap:14px}
  .faq-item summary{padding:14px 20px;font-size:15px}
  .faq-body{padding:0 20px 20px 20px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:28px 22px}
  .cta-card__actions{width:100%}
  .cta-card__actions .btn{width:100%}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand:#0E9E93;
  --brand-deep:#0A6F68;
  --brand-soft:#E6F6F3;
  --accent:#FF6B3D;
  --accent-soft:#FFEDE6;
  --gold:#FFC24B;
  --ink:#141A1C;
  --ink-2:#5A6A6E;
  --line:#E6E9E7;
  --bg:#FAF8F4;
  --bg-alt:#F2F7F5;
  --dark:#0E1A1F;
  --grad-brand:linear-gradient(135deg,#0A6F68 0%,#0E9E93 52%,#38C6A4 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D 0%,#FF5C7A 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(14,26,31,.06);
  --sh-2:0 10px 30px rgba(14,26,31,.08);
  --sh-3:0 18px 44px rgba(14,26,31,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:"Barlow","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.grid-margin-y{margin-top:-24px}
.grid-margin-y>.cell{margin-top:24px}
@media (min-width:1280px){.container{max-width:1200px}}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo__mark{width:34px;height:34px;border-radius:12px;background:var(--grad-brand);position:relative;box-shadow:var(--sh-1);flex:0 0 auto}
.logo__mark::after{content:"";position:absolute;inset:9px;border-radius:50%;background:rgba(255,255,255,.88)}
.logo__text{letter-spacing:.01em;white-space:nowrap}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:8px 0;font-size:15px;font-weight:500;color:var(--ink)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-link:hover,.nav-link.is-active{color:var(--brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link i{font-size:10px;transition:transform .22s var(--ease)}
.has-mega{position:relative}
.has-mega:hover .nav-link i,.has-mega:focus-within .nav-link i{transform:rotate(180deg)}
.nav-toggle{display:none;align-items:center;gap:8px;margin-left:auto;padding:9px 16px;font-size:14px;font-weight:600;color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-pill)}

/* ============ Mega 面板 ============ */
.mega{
  position:absolute;top:calc(100% + 14px);left:50%;
  width:min(840px,86vw);
  padding:26px;
  background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;pointer-events:none;
  transform:translateX(-50%) translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.mega__grid{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:26px}
.mega__col h4{margin-bottom:12px;font-size:14px;font-weight:700;color:var(--brand)}
.mega__list li a{display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--ink-2);transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.mega__list li a:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateX(2px)}
.mega__list li a.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.mega__news li{padding:9px 0;border-bottom:1px dashed var(--line)}
.mega__news li:last-child{border-bottom:0}
.mega__news li a{display:block;font-size:14px;font-weight:500;color:var(--ink);line-height:1.6}
.mega__news li a:hover{color:var(--brand)}
.mega__news li a.is-active{color:var(--brand-deep)}
.mega__time{display:inline-block;margin-top:6px;padding:2px 10px;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-pill)}
.mega__card{display:block;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.mega__card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.mega__card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega__card-body{display:block;padding:12px 14px 14px}
.mega__card-body strong{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}

/* ============ 窄横幅 ============ */
.page-banner{
  position:relative;overflow:hidden;
  padding:46px 0;
  background-color:var(--bg-alt);
  background-image:linear-gradient(rgba(14,158,147,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(14,158,147,.07) 1px,transparent 1px);
  background-size:30px 30px;
  border-bottom:1px solid var(--line);
}
.page-banner::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:var(--grad-brand);opacity:.12;filter:blur(6px);
}
.page-banner .container{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);background:#fff;border:1px solid rgba(14,158,147,.28);border-radius:var(--r-pill)}
.page-banner h1{margin:16px 0 12px;font-size:44px;line-height:1.2;letter-spacing:-.01em}
.page-banner .lead{max-width:640px;font-size:16px;color:var(--ink-2);line-height:1.85}
.banner__pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.stat-pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;font-size:13px;font-weight:600;color:var(--brand-deep);background:#fff;border-radius:var(--r-pill);position:relative;box-shadow:var(--sh-1)}
.stat-pill i{color:var(--brand)}
.banner__right{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.banner__right h2{font-size:15px;font-weight:600;color:var(--ink-2);letter-spacing:.02em}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;font-size:14px;font-weight:500;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);transition:transform .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.chip:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.chip.is-on{color:#fff;background:var(--grad-brand);border-color:transparent;font-weight:600}
.chip.is-on:hover{color:#fff}

/* ============ 通用区块 ============ */
.section{padding:84px 0}
.section--alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:28px;margin-top:12px}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:660px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-deep);white-space:nowrap}
.link-more i{font-size:12px;transition:transform .2s var(--ease)}
.link-more:hover i{transform:translateX(3px)}

/* ============ 卡片 ============ */
.card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(14,158,147,.35)}
.card__cover{position:relative;display:block;overflow:hidden;background:var(--bg-alt)}
.card__cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card__cover img{transform:scale(1.04)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-pill)}
.tag--solid{position:absolute;left:14px;top:14px;color:#fff;background:var(--grad-cta)}
.tag--dark{color:#fff;background:rgba(14,26,31,.86)}
.card__body{display:flex;flex-direction:column;gap:10px;flex:1;padding:22px}
.card__title{font-size:18px;font-weight:600;line-height:1.5}
.card:hover .card__title{color:var(--brand)}
.card__excerpt{font-size:14px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-2)}
.card__meta .num{font-family:var(--mono);font-weight:600;color:var(--ink)}

.card--row .card__inner{display:grid;grid-template-columns:40% 1fr;height:100%}
.card--row .card__cover{height:100%}
.card--row .card__cover img{height:100%;aspect-ratio:auto;min-height:230px}
.card--long .card__inner{display:grid;grid-template-columns:30% 1fr;align-items:stretch}
.card--long .card__cover img{height:100%;aspect-ratio:auto;min-height:210px}

/* ============ 使用路径 ============ */
.how__figure{position:relative}
.how__figure img{border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.figure__badge{position:absolute;display:inline-flex;align-items:center;gap:7px;padding:9px 15px;font-size:13px;font-weight:600;background:#fff;border-radius:var(--r-pill);box-shadow:var(--sh-2);border:1px solid var(--line)}
.figure__badge i{color:var(--accent)}
.figure__badge.badge-a{left:-10px;top:24px}
.figure__badge.badge-b{right:-6px;bottom:26px}
.steps{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.steps li{display:flex;gap:16px;align-items:flex-start}
.steps .idx{flex:0 0 auto;width:34px;height:34px;border-radius:12px;background:var(--grad-brand);color:#fff;font-family:var(--mono);font-weight:600;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1)}
.steps h3{font-size:17px;font-weight:600;margin-bottom:4px}
.steps p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 28px;font-size:15px;font-weight:600;border-radius:var(--r-pill);transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-position .3s var(--ease),color .2s var(--ease),border-color .2s var(--ease);white-space:nowrap}
.btn-primary{color:#fff;background:var(--grad-cta);background-size:160% 100%;box-shadow:0 8px 20px rgba(255,92,74,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,92,74,.32);background-position:100% 0}
.btn-outline{color:var(--brand);border:1px solid var(--brand);background:#fff}
.btn-outline:hover{color:var(--brand-deep);border-color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed;transform:none}

/* ============ 订阅区 ============ */
.cta-band{
  display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;
  padding:34px 38px;border-radius:var(--r-lg);color:#fff;background:var(--dark);
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:26px;color:#fff}
.cta-band p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.8}
.sub-form{display:flex;gap:12px;align-items:center}
.sub-form input{
  flex:1;height:48px;padding:0 16px;background:#fff;border:1px solid transparent;border-radius:14px;font-size:15px;color:var(--ink);
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.sub-form input::placeholder{color:#9AA6A8}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,158,147,.22)}
.form-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.55)}

/* ============ FAQ ============ */
.faq{max-width:920px;margin:0 auto}
.faq__item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:box-shadow .22s var(--ease),border-color .22s var(--ease)}
.faq__item[open]{box-shadow:var(--sh-2);border-color:rgba(14,158,147,.35)}
.faq__item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:12px 24px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:hover{color:var(--brand)}
.faq__item summary i{flex:0 0 auto;color:var(--brand);transition:transform .24s var(--ease)}
.faq__item[open] summary i{transform:rotate(45deg)}
.faq__body{padding:0 24px 22px 48px;font-size:15px;line-height:1.85;color:var(--ink-2)}

.backtop-wrap{text-align:center;padding:0 0 72px}
.backtop{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;font-size:14px;font-weight:600;color:var(--brand);border:1px solid var(--brand);border-radius:var(--r-pill)}
.backtop:hover{color:#fff;background:var(--brand);transform:translateY(-2px)}
.backtop{transition:all .2s var(--ease)}

/* ============ 页脚 ============ */
.site-footer{margin-top:40px;padding:64px 0 0;background:var(--dark);color:rgba(255,255,255,.72)}
.site-footer h4{margin:0 0 14px;font-size:15px;font-weight:700;color:#fff}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--accent)}
.footer__col{padding-bottom:24px}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:17px;font-weight:700;color:#fff}
.footer__brand .logo__mark{width:30px;height:30px;border-radius:10px}
.site-footer p{font-size:14px;line-height:1.8}
.footer__list li{margin-bottom:10px;font-size:14px}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:40px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px}
  .header__inner{height:64px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;top:64px;right:0;bottom:0;width:min(86vw,360px);
    padding:22px 20px 40px;background:#fff;border-left:1px solid var(--line);box-shadow:var(--sh-3);
    transform:translateX(102%);transition:transform .26s var(--ease);overflow-y:auto;margin-left:0;
  }
  body.nav-open .main-nav{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{justify-content:space-between;padding:13px 10px;border-radius:12px;font-size:16px}
  .nav-link::after{display:none}
  .nav-link:hover,.nav-link.is-active{background:var(--brand-soft)}
  .mega{
    position:static;width:auto;opacity:1;visibility:visible;pointer-events:auto;transform:none;
    display:none;padding:14px;margin:6px 0 10px;border-radius:14px;box-shadow:none;border:1px solid var(--line);
  }
  .has-mega:hover .mega,.has-mega:focus-within .mega{transform:none}
  .has-mega.is-open .mega{display:block}
  .mega__grid{grid-template-columns:1fr;gap:18px}
  .page-banner{padding:36px 0}
  .page-banner h1{font-size:34px}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .card--row .card__inner,.card--long .card__inner{grid-template-columns:1fr}
  .card--row .card__cover img,.card--long .card__cover img{height:auto;aspect-ratio:16/9;min-height:0}
  .cta-band{grid-template-columns:1fr;padding:28px 26px}
  .sub-form{flex-direction:column;align-items:stretch}
  .sub-form .btn{width:100%}
  .figure__badge.badge-a{left:8px;top:12px}
  .figure__badge.badge-b{right:8px;bottom:12px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .page-banner h1{font-size:30px}
  .page-banner .lead{font-size:15px}
  .section{padding:48px 0}
  .section-head h2{font-size:23px}
  .card__body{padding:18px}
  .faq__body{padding:0 20px 20px 24px}
  .faq__item summary{padding:12px 20px;font-size:15px}
  .cta-band h2{font-size:21px}
  .footer__bottom{flex-direction:column}
  .banner__pills{gap:8px}
  .stat-pill{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}