/* roulang page: index */
:root{
  --ink-900:#121214;--ink-700:#2A2A2E;--ink-500:#6E6E76;
  --line:#E6E3DC;--bg:#F6F4EF;--bg-sand:#EFE9DD;--surface:#FFFFFF;
  --brand:#C6F04D;--brand-ink:#121214;--hot:#FF5C46;
  --r-sm:10px;--r-md:16px;--r-lg:22px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(18,18,20,.04);
  --sh-2:0 12px 32px rgba(18,18,20,.06);
  --ease:cubic-bezier(.2,.7,.2,1);
  --maxw:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--ink-900);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px;width:100%;}
.section{padding:96px 0;}
.section-sand{background:var(--bg-sand);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(26px,3vw,34px);line-height:1.2;font-weight:700;position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;width:4px;height:1.05em;background:var(--brand);border-radius:2px;}
.section-head .sub{font-size:14px;color:var(--ink-500);margin-top:8px;padding-left:16px;}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--ink-500);text-transform:uppercase;}
/* 按钮 */
.btn-lime,.btn-outline-ink,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:var(--r-pill);cursor:pointer;transition:all .24s var(--ease);}
.btn-lime{background:var(--brand);color:var(--brand-ink);border:1.5px solid var(--brand);padding:13px 28px;font-size:15px;}
.btn-lime:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 10px 24px rgba(198,240,77,.45);color:var(--brand-ink);}
.btn-lime:active{transform:translateY(1px);box-shadow:none;}
.btn-outline-ink{background:transparent;color:var(--ink-900);border:1.5px solid var(--ink-900);padding:13px 28px;font-size:15px;}
.btn-outline-ink:hover{background:var(--ink-900);color:#fff;transform:translateY(-1px);}
.btn-outline-ink:active{transform:translateY(1px);}
.btn-ghost{background:none;border:0;color:var(--ink-900);font-weight:600;font-size:14px;padding:8px 2px;}
.btn-ghost .arw{transition:transform .24s var(--ease);}
.btn-ghost:hover .arw{transform:translateX(4px);}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:5px;}
.btn-lime:focus-visible,.btn-outline-ink:focus-visible,.btn-ghost:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
/* 顶部细条 */
.topbar{background:var(--brand);color:var(--brand-ink);height:40px;display:flex;align-items:center;overflow:hidden;position:relative;}
.topbar-track{display:flex;gap:56px;white-space:nowrap;animation:slide 32s linear infinite;font-size:13.5px;font-weight:600;}
.topbar-item{display:inline-flex;align-items:center;gap:8px;}
.topbar-dot{width:5px;height:5px;border-radius:50%;background:var(--ink-900);display:inline-block;}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.topbar-close{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;border:0;background:rgba(18,18,20,.12);color:var(--ink-900);line-height:1;font-size:15px;cursor:pointer;}
.topbar-close:hover{background:rgba(18,18,20,.22);}
/* 导航 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(246,244,239,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:box-shadow .24s var(--ease),border-color .24s var(--ease);border-bottom:1px solid transparent;}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(18,18,20,.05);}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--ink-900);}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--ink-900);position:relative;flex:0 0 30px;}
.brand-mark::before{content:"";position:absolute;left:9px;top:7px;width:2.5px;height:16px;background:var(--brand);border-radius:2px;}
.brand-mark::after{content:"";position:absolute;left:15px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brand);}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--ink-500);padding:6px 0;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .24s var(--ease);}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--ink-900);font-weight:700;}
.nav-links a.active::after{width:100%;}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-cta .btn-lime{padding:10px 22px;font-size:14px;}
.burger{width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:12px;display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;}
.burger span{display:block;width:20px;height:2px;background:var(--ink-900);border-radius:2px;}
.drawer{background:var(--bg);}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 24px;}
.drawer .brand{font-size:18px;}
.drawer-links{padding:8px 0;}
.drawer-links a{display:block;font-size:20px;line-height:56px;padding:0 24px;border-bottom:1px solid var(--line);color:var(--ink-700);}
.drawer-links a.active{color:var(--ink-900);font-weight:700;box-shadow:inset 3px 0 0 var(--brand);}
.drawer-search{padding:18px 24px 0;}
.drawer-foot{padding:24px;}
/* Hero */
.hero{padding:56px 0 72px;position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(34px,5vw,56px);line-height:1.1;font-weight:800;letter-spacing:-.02em;}
.hero h1 em{font-style:normal;background:linear-gradient(transparent 62%,var(--brand) 62%);}
.hero-sub{margin-top:18px;font-size:17px;color:var(--ink-500);}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-meta{margin-top:26px;display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:var(--ink-500);}
.hero-meta b{color:var(--ink-900);font-size:15px;margin-right:4px;}
.hero-visual{position:relative;}
.phone{position:relative;aspect-ratio:9/16;max-height:560px;margin-left:auto;width:min(100%,320px);border-radius:26px;overflow:hidden;border:1px solid var(--line);background:var(--bg-sand);box-shadow:var(--sh-2);}
.phone img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.phone:hover img{transform:scale(1.04);}
.phone-play{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:#fff;border:0;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 24px rgba(18,18,20,.22);}
.phone-play::before{content:"";width:0;height:0;border-left:14px solid var(--ink-900);border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:3px;}
.badge-hot{position:absolute;right:14px;top:14px;background:var(--hot);color:#fff;font-size:12px;font-weight:600;letter-spacing:.06em;padding:4px 10px;border-radius:var(--r-pill);animation:breathe 2.4s ease-in-out infinite;}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.62}}
.badge-time{position:absolute;right:14px;bottom:66px;background:rgba(18,18,20,.72);color:#fff;font-size:12px;padding:3px 9px;border-radius:6px;}
.phone-info{position:absolute;left:0;right:0;bottom:0;padding:34px 16px 16px;background:linear-gradient(transparent,rgba(18,18,20,.82));color:#fff;font-size:14px;}
.phone-info span{display:block;font-size:12px;color:rgba(255,255,255,.72);margin-top:2px;}
.mini-card{position:absolute;left:-28px;bottom:56px;width:120px;aspect-ratio:3/4;border-radius:14px;overflow:hidden;border:1px solid var(--line);transform:rotate(-3deg);box-shadow:var(--sh-2);background:var(--bg-sand);}
.mini-card img{width:100%;height:100%;object-fit:cover;}
/* 数据条 */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);}
.stats div{padding:30px 24px;text-align:left;border-left:1px solid var(--line);}
.stats div:first-child{border-left:0;}
.stats b{display:block;font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.02em;}
.stats span{font-size:13.5px;color:var(--ink-500);}
/* 爆款横滑 */
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 20px;scrollbar-width:none;}
.rail::-webkit-scrollbar{display:none;}
.clip-card{flex:0 0 240px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);}
.clip-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,18,20,.12);}
.clip-cover{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--bg-sand);}
.clip-cover img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.clip-card:hover .clip-cover img{transform:scale(1.04);}
.clip-body{padding:14px 16px 18px;border-top:1px solid var(--line);}
.clip-body h3{font-size:14.5px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px;}
.clip-body .meta{margin-top:10px;font-size:12.5px;color:var(--ink-500);display:flex;justify-content:space-between;}
.rail-nav{display:flex;gap:10px;}
.rail-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink-900);font-size:16px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .24s var(--ease);}
.rail-btn:hover{background:var(--ink-900);color:#fff;border-color:var(--ink-900);}
/* 种草清单 */
.pick-list{border-top:1px solid var(--line);}
.pick-item{display:grid;grid-template-columns:56px 64px 1fr auto;align-items:center;gap:22px;padding:18px 16px;border-bottom:1px solid var(--line);transition:background .24s var(--ease);}
.pick-item:hover{background:var(--surface);}
.pick-no{font-size:30px;font-weight:800;color:transparent;-webkit-text-stroke:1.4px var(--brand);letter-spacing:-.02em;line-height:1;}
.pick-thumb{width:64px;height:64px;border-radius:14px;overflow:hidden;background:var(--bg-sand);}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}
.pick-main h3{font-size:17px;font-weight:600;}
.pick-main p{font-size:13.5px;color:var(--ink-500);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.tags{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;}
.tag{font-size:12px;font-weight:600;letter-spacing:.06em;padding:3px 10px;border-radius:var(--r-pill);background:var(--bg-sand);color:var(--ink-700);}
.tag-dark{background:var(--ink-900);color:#fff;}
.pick-arw{font-size:18px;color:var(--ink-500);transition:transform .24s var(--ease);}
.pick-item:hover .pick-arw{transform:translateX(4px);color:var(--ink-900);}
/* 分类速览 */
.cat-grid{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:1fr;gap:16px;}
.cat-card{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface);transition:transform .26s var(--ease),box-shadow .26s var(--ease);min-height:150px;}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.cat-big{grid-column:span 6;grid-row:span 2;min-height:340px;}
.cat-mid{grid-column:span 3;}
.cat-small{grid-column:span 6;}
.cat-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .28s var(--ease);}
.cat-card:hover img{transform:scale(1.04);}
.cat-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,18,20,.1),rgba(18,18,20,.72));}
.cat-text{position:absolute;left:22px;right:22px;bottom:20px;color:#fff;}
.cat-text h3{color:#fff;font-size:20px;font-weight:700;}
.cat-text span{font-size:13px;color:rgba(255,255,255,.78);}
.cat-small{display:flex;align-items:center;justify-content:space-between;padding:24px;background:var(--surface);}
.cat-small h3{font-size:20px;}
.cat-small p{font-size:13.5px;color:var(--ink-500);margin-top:6px;}
.cat-small .arw{font-size:20px;color:var(--ink-900);transition:transform .24s var(--ease);}
.cat-small:hover .arw{transform:translateX(6px);}
/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.news-main{grid-column:span 6;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .26s var(--ease),box-shadow .26s var(--ease);}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.news-main .cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-sand);position:relative;}
.news-main .cover img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.news-main:hover .cover img{transform:scale(1.04);}
.news-main .body{padding:24px;}
.news-main h3{font-size:22px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-main p{font-size:14.5px;color:var(--ink-500);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-side{grid-column:span 6;display:flex;flex-direction:column;}
.news-row{display:grid;grid-template-columns:96px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);transition:background .24s var(--ease);border-radius:var(--r-sm);}
.news-row:first-child{padding-top:0;}
.news-row:hover{background:var(--surface);}
.news-row .thumb{width:96px;height:72px;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-sand);}
.news-row .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.news-row:hover .thumb img{transform:scale(1.04);}
.news-row h3{font-size:15.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:8px;display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--ink-500);}
.news-tag{font-size:12px;font-weight:600;letter-spacing:.06em;background:var(--bg-sand);color:var(--ink-700);padding:2px 9px;border-radius:var(--r-pill);}
.empty-state{min-height:200px;max-height:240px;border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--ink-500);grid-column:span 12;}
.empty-state .ico{width:40px;height:40px;border-radius:50%;background:var(--bg-sand);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-900);}
/* 口碑 marquee */
.marquee{overflow:hidden;display:flex;margin-bottom:16px;}
.marquee-track{display:flex;gap:16px;padding-right:16px;animation:slide 46s linear infinite;}
.marquee-track.rev{animation-direction:reverse;}
.marquee:hover .marquee-track{animation-play-state:paused;}
.voice{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);padding:10px 20px 10px 10px;white-space:nowrap;box-shadow:var(--sh-1);}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--bg-sand);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:0 0 36px;}
.voice .txt{font-size:14px;color:var(--ink-700);}
.voice .name{font-size:12px;color:var(--ink-500);}
.stars{color:var(--brand-ink);font-size:12px;letter-spacing:2px;}
/* CTA 通栏 */
.cta-band{background:var(--ink-900);color:#fff;border-radius:0;}
.cta-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:80px 0;}
.cta-band h2{color:#fff;font-size:clamp(26px,3.4vw,40px);line-height:1.2;font-weight:800;}
.cta-band p{color:rgba(255,255,255,.72);margin-top:16px;font-size:16px;}
.cta-band .btn-lime{margin-top:28px;}
.cta-shot{aspect-ratio:9/16;max-height:340px;width:min(100%,210px);margin-left:auto;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.14);background:#1c1c1f;}
.cta-shot img{width:100%;height:100%;object-fit:cover;}
/* FAQ */
.faq .accordion-item{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-bottom:12px;background:var(--surface);}
.faq .accordion-item:nth-child(even){background:var(--bg-sand);}
.faq .accordion-button{background:transparent;box-shadow:none;border-radius:0;font-size:17px;font-weight:600;color:var(--ink-900);height:56px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;border-left:3px solid transparent;transition:border-color .24s var(--ease);}
.faq .accordion-button:not(.collapsed){color:var(--ink-900);border-left-color:var(--brand);background:transparent;}
.faq .accordion-button::after{display:none;}
.faq .accordion-body{padding:0 24px 22px 27px;font-size:15.5px;color:var(--ink-700);line-height:1.85;}
.plus{position:relative;width:12px;height:12px;flex:0 0 12px;margin-left:20px;}
.plus::before,.plus::after{content:"";position:absolute;background:var(--ink-900);border-radius:2px;transition:transform .24s var(--ease);}
.plus::before{left:0;top:5.25px;width:12px;height:1.5px;}
.plus::after{left:5.25px;top:0;width:1.5px;height:12px;}
.accordion-button:not(.collapsed) .plus::after{transform:scaleY(0);}
/* 搜索 */
.search-box{display:flex;gap:10px;}
.search-box input{flex:1;height:48px;border-radius:12px;border:1px solid var(--line);background:var(--surface);padding:0 16px;font-size:15px;color:var(--ink-900);}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px var(--brand);}
.search-box button{height:48px;border:0;border-radius:12px;background:var(--ink-900);color:#fff;font-weight:600;padding:0 22px;cursor:pointer;transition:all .24s var(--ease);}
.search-box button:hover{background:var(--ink-700);}
/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.site-footer a{color:rgba(255,255,255,.72);font-size:14.5px;line-height:2.1;display:block;}
.site-footer a:hover{color:var(--brand);}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;}
.footer-brand .brand-mark{background:#fff;}
.footer-brand .brand-mark::before,.footer-brand .brand-mark::after{background:var(--ink-900);}
.footer-desc{margin-top:16px;font-size:14px;color:rgba(255,255,255,.6);line-height:1.85;max-width:320px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);height:56px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);}
/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .28s var(--ease),transform .28s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .topbar-track,.marquee-track,.badge-hot{animation:none!important;}
  *{transition-duration:.01ms!important;}
}
/* 响应式 */
@media (max-width:1199px){
  .container{padding:0 24px;}
}
@media (max-width:991px){
  .nav-links,.nav-cta .btn-lime{display:none;}
  .burger{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:-1;}
  .phone{margin:0 auto;max-height:70vh;width:min(100%,360px);}
  .mini-card{left:6px;bottom:24px;width:96px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stats div:nth-child(3){border-left:0;}
  .stats div:nth-child(n+3){border-top:1px solid var(--line);}
  .cat-big,.cat-mid,.cat-small{grid-column:span 6;grid-row:auto;min-height:220px;}
  .news-main,.news-side{grid-column:span 12;}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:64px 0;}
  .cta-shot{margin:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .hero{padding:32px 0 48px;}
  .hero-actions .btn-lime,.hero-actions .btn-outline-ink{width:100%;}
  .stats{grid-template-columns:1fr 1fr;}
  .stats div{padding:20px 14px;}
  .cat-big,.cat-mid,.cat-small{grid-column:span 12;}
  .pick-item{grid-template-columns:44px 56px 1fr;gap:14px;padding:16px 12px;}
  .pick-main p{display:none;}
  .pick-thumb{width:56px;height:56px;}
  .pick-arw{display:none;}
  .clip-card{flex:0 0 72vw;}
  .news-row{grid-template-columns:1fr;}
  .news-row .thumb{width:100%;height:150px;}
  .marquee:nth-of-type(2){display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;justify-content:center;gap:4px;height:auto;padding:16px 0;}
}

/* roulang page: article */
/* ========== 设计令牌 ========== */
:root{
  --ink-900:#121214;
  --ink-700:#2A2A2E;
  --ink-500:#6E6E76;
  --line:#E6E3DC;
  --bg:#F6F4EF;
  --bg-sand:#EFE9DD;
  --surface:#FFFFFF;
  --brand:#C6F04D;
  --brand-ink:#121214;
  --hot:#FF5C46;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,18,20,.04),0 12px 32px rgba(18,18,20,.06);
  --sh-2:0 16px 40px rgba(18,18,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:220ms;
}

/* ========== 基础重置 ========== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0}
::selection{background:var(--brand);color:var(--brand-ink)}
:focus-visible{outline:2px solid var(--ink-900);outline-offset:2px}

/* ========== 容器 ========== */
.container{
  width:100% !important;
  max-width:1200px !important;
  margin:0 auto;
  padding-left:32px !important;
  padding-right:32px !important;
}
@media (max-width:991px){
  .container{padding-left:24px !important;padding-right:24px !important}
}
@media (max-width:575px){
  .container{padding-left:20px !important;padding-right:20px !important}
}

/* ========== 阅读进度条 ========== */
.read-progress{
  position:fixed;left:0;top:0;height:3px;width:0;
  background:var(--brand);z-index:1300;
  transition:width .12s linear;
}

/* ========== 头部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:1100;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(18,18,20,.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);
  flex-shrink:0;
}
.brand-mark{
  position:relative;display:inline-block;
  width:26px;height:26px;border-radius:8px;background:var(--brand);flex-shrink:0;
}
.brand-mark::before{
  content:"";position:absolute;left:50%;top:6px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--ink-900);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:12px;transform:translateX(-50%);
  width:2px;height:9px;border-radius:2px;background:var(--ink-900);
}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--ink-500);
  padding:6px 0;transition:color var(--dur) var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);border-radius:2px;
  transition:width var(--dur) var(--ease);
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--ink-900);font-weight:600}
.nav-links a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}

.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:48px;padding:0 26px;border:0;border-radius:var(--r-pill);
  background:var(--brand);color:var(--brand-ink);
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.01em;
  cursor:pointer;
  box-shadow:0 1px 2px rgba(18,18,20,.06);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),filter var(--dur) var(--ease);
}
.btn-brand:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 10px 24px rgba(140,180,40,.30);color:var(--brand-ink)}
.btn-brand:active{transform:translateY(1px);box-shadow:0 1px 2px rgba(18,18,20,.10)}
.btn-brand:focus-visible{outline:2px solid var(--ink-900);outline-offset:2px}
.btn-brand.sm{height:40px;padding:0 20px;font-size:14px}
.btn-brand.block{width:100%}

.btn-outline-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:1.5px solid var(--ink-900);border-radius:var(--r-pill);
  background:transparent;color:var(--ink-900);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-outline-ink:hover{background:var(--ink-900);color:#fff;transform:translateY(-1px)}
.btn-outline-ink:active{transform:translateY(1px)}

.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;
  height:44px;padding:0;border:0;background:none;
  color:var(--ink-900);font-size:15px;font-weight:600;cursor:pointer;
  border-bottom:1.5px solid transparent;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-ghost span{display:inline-block;transition:transform var(--dur) var(--ease)}
.btn-ghost:hover{border-bottom-color:var(--ink-900)}
.btn-ghost:hover span{transform:translateX(4px)}

/* 汉堡按钮 */
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color var(--dur) var(--ease);
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform var(--dur) var(--ease)}
.menu-toggle:hover{border-color:rgba(18,18,20,.24)}

/* 抽屉 */
.offcanvas.nav-drawer{
  width:330px;background:var(--bg);border-right:1px solid var(--line);
}
.nav-drawer .offcanvas-header{
  padding:18px 22px;border-bottom:1px solid var(--line);
}
.drawer-title{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);font-size:20px;line-height:1;cursor:pointer;color:var(--ink-700);
  transition:border-color var(--dur) var(--ease);
}
.drawer-close:hover{border-color:var(--ink-900)}
.nav-drawer .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:20px}
.drawer-search{display:flex;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;height:48px}
.drawer-search input{
  flex:1;border:0;background:transparent;padding:0 14px;font-size:14px;outline:none;
}
.drawer-search input::placeholder{color:#A8A49B}
.drawer-search button{
  width:52px;border:0;background:var(--brand);color:var(--brand-ink);
  font-size:16px;font-weight:700;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:19px;font-weight:600;color:var(--ink-900);
  line-height:56px;border-bottom:1px solid var(--line);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.drawer-nav a:hover{color:var(--ink-500);padding-left:6px}
.drawer-nav a.active{color:var(--ink-900)}
.drawer-nav a.active::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--brand);margin-right:10px;vertical-align:middle;
}
.offcanvas-backdrop.show{opacity:.34;background-color:#121214}

@media (max-width:991px){
  .header-inner{height:60px}
  .nav-links{display:none}
  .header-actions .btn-brand{display:none}
  .menu-toggle{display:flex}
}

/* ========== 文章头部 ========== */
.article-hero{
  padding:44px 0 36px;
  border-bottom:1px solid var(--line);
  background:var(--bg);
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-500);margin-bottom:22px;
}
.crumb a{color:var(--ink-500);transition:color var(--dur) var(--ease)}
.crumb a:hover{color:var(--ink-900);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:#C9C5BB}
.crumb .current{color:var(--ink-700)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:18px}
.pill-cat{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--bg-sand);color:var(--ink-900);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  transition:background var(--dur) var(--ease);
}
.pill-cat:hover{background:#E4DCC9}
.meta-text{
  font-size:13px;color:var(--ink-500);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.meta-dot{width:3px;height:3px;border-radius:50%;background:#C9C5BB}
.article-title{
  font-size:clamp(28px,4vw,46px);
  line-height:1.18;font-weight:800;letter-spacing:-.02em;
  margin:0 0 18px;max-width:920px;
}
.article-lead{
  font-size:16px;line-height:1.85;color:var(--ink-500);
  max-width:820px;padding-left:16px;border-left:3px solid var(--brand);
}

/* ========== 文章主体两栏 ========== */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:64px;
  padding:56px 0 84px;
  align-items:start;
}
.article-main{min-width:0;max-width:760px}
.side-col{min-width:0}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}

/* ========== 正文排版 ========== */
.entry-content{
  font-size:17px;line-height:1.9;color:var(--ink-700);
  overflow-wrap:break-word;word-break:break-word;
}
.entry-content > *:first-child{margin-top:0}
.entry-content p{margin:0 0 1.2em}
.entry-content strong{color:var(--ink-900);font-weight:700}
.entry-content a{color:var(--ink-900);border-bottom:1.5px solid var(--brand);transition:background var(--dur) var(--ease)}
.entry-content a:hover{background:var(--brand)}
.entry-content h2{
  position:relative;padding-left:16px;
  font-size:30px;line-height:1.3;font-weight:700;color:var(--ink-900);
  letter-spacing:-.01em;margin:1.9em 0 .7em;
}
.entry-content h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.entry-content h3{
  font-size:21px;line-height:1.4;font-weight:600;color:var(--ink-900);
  margin:1.6em 0 .55em;
}
.entry-content h4{
  font-size:17px;font-weight:600;color:var(--ink-900);margin:1.4em 0 .5em;
}
.entry-content ul{list-style:none;margin:0 0 1.3em;padding:0}
.entry-content ul > li{position:relative;padding-left:20px;margin:.55em 0}
.entry-content ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.entry-content ol{list-style:none;counter-reset:oli;margin:0 0 1.3em;padding:0}
.entry-content ol > li{
  counter-increment:oli;position:relative;
  padding-left:46px;margin:.7em 0;
}
.entry-content ol > li::before{
  content:counter(oli,decimal-leading-zero);
  position:absolute;left:0;top:.22em;
  width:30px;height:30px;border-radius:50%;
  background:var(--brand);color:var(--brand-ink);
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.entry-content blockquote{
  margin:1.5em 0;padding:18px 22px;
  background:var(--bg-sand);border-left:3px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-700);font-size:16px;
}
.entry-content blockquote p:last-child{margin-bottom:0}
.entry-content img{border-radius:var(--r-md);margin:1.6em 0;width:100%}
.entry-content figure{margin:1.6em 0}
.entry-content figcaption{
  font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px;
}
.entry-content hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.entry-content table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;margin:1.6em 0;
  border:1px solid var(--line);border-radius:var(--r-md);
  font-variant-numeric:tabular-nums;
}
.entry-content th,.entry-content td{
  padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;
}
.entry-content th{background:var(--bg-sand);font-weight:600;color:var(--ink-900)}
.entry-content tr:last-child td{border-bottom:0}
.entry-content pre{
  overflow-x:auto;background:var(--ink-900);color:#EDEDE8;
  padding:18px 20px;border-radius:var(--r-md);font-size:14px;line-height:1.7;
  margin:1.6em 0;
}
.entry-content code{
  background:var(--bg-sand);padding:2px 6px;border-radius:6px;font-size:.92em;
}
.entry-content pre code{background:none;padding:0}

/* ========== 内联 CTA ========== */
.inline-cta{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  margin:40px 0 0;padding:22px 24px;
  background:var(--bg-sand);border:1px solid var(--line);border-radius:var(--r-lg);
}
.inline-cta-text{display:flex;flex-direction:column;gap:4px;min-width:0}
.inline-cta-text strong{font-size:16px;font-weight:700;color:var(--ink-900)}
.inline-cta-text span{font-size:14px;color:var(--ink-500)}

/* ========== 空态 ========== */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:72px 24px;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
}
.empty-icon{
  width:56px;height:56px;border-radius:var(--r-md);
  background:var(--bg-sand);position:relative;
}
.empty-icon::before{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:20px;height:20px;border:2px solid var(--ink-500);border-radius:50%;
}
.empty-state p{font-size:16px;color:var(--ink-500)}

/* ========== 文末区 ========== */
.entry-footer{margin-top:52px;padding-top:34px;border-top:1px solid var(--line)}
.block-label{
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--ink-500);
  margin-bottom:14px;text-transform:uppercase;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line);
  font-size:13px;font-weight:500;color:var(--ink-700);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.tag-pill:hover{border-color:var(--ink-900);background:var(--bg-sand);color:var(--ink-900)}

.postnav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px;
}
.postnav-card{
  display:flex;flex-direction:column;gap:8px;
  padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.postnav-card:hover{transform:translateY(-3px);border-color:rgba(18,18,20,.12);box-shadow:var(--sh-2)}
.postnav-card .dir{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--ink-500)}
.postnav-card .title{
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.postnav-card .arrow{font-size:15px;color:var(--ink-500);transition:transform var(--dur) var(--ease)}
.postnav-card:hover .arrow{transform:translateX(4px)}
.postnav-card.next{align-items:flex-end;text-align:right}

.rel-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;margin-top:36px;
}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(18,18,20,.12);box-shadow:var(--sh-2)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-sand)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 280ms var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:16px 18px 20px}
.rel-body h3{
  font-size:15px;font-weight:600;line-height:1.55;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body .rel-meta{font-size:12px;color:var(--ink-500);margin-top:10px;font-variant-numeric:tabular-nums}

.back-row{display:flex;justify-content:center;margin-top:44px}

/* ========== 通用卡片 ========== */
.card-surface{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:22px;
}
.card-title{
  font-size:16px;font-weight:700;color:var(--ink-900);
  margin-bottom:16px;display:flex;align-items:center;gap:8px;
}
.card-title::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--brand);
}

/* ========== 侧栏组件 ========== */
.side-list{list-style:none;margin:0;padding:0}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;
  transition:padding-left var(--dur) var(--ease);
}
.side-list a:hover{padding-left:6px}
.side-num{
  font-size:12px;font-weight:700;color:var(--ink-500);
  font-variant-numeric:tabular-nums;line-height:22px;flex-shrink:0;
}
.side-text{
  font-size:14px;line-height:1.6;color:var(--ink-700);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--dur) var(--ease);
}
.side-list a:hover .side-text{color:var(--ink-900)}

.side-cta{
  background:var(--brand);border-radius:var(--r-lg);
  padding:24px;color:var(--brand-ink);
  box-shadow:var(--sh-1);
}
.side-cta h3{font-size:18px;font-weight:800;line-height:1.4;margin-bottom:8px}
.side-cta p{font-size:13px;line-height:1.7;color:rgba(18,18,20,.72);margin-bottom:16px}
.side-cta .btn-solid-ink{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-pill);
  background:var(--ink-900);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.side-cta .btn-solid-ink:hover{transform:translateY(-1px);opacity:.9}

/* ========== 深色 CTA 通栏 ========== */
.cta-band{background:var(--ink-900);color:#fff;margin-top:0}
.cta-band-inner{
  display:grid;grid-template-columns:7fr 5fr;
  gap:48px;align-items:center;padding:64px 0;
}
.cta-band h2{
  font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.25;
  letter-spacing:-.02em;margin-bottom:14px;
}
.cta-band p{
  font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);
  margin-bottom:26px;max-width:520px;
}
.cta-band-visual{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
}
.cta-band-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}

/* ========== 页脚 ========== */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:19px;font-weight:800;margin-bottom:14px;
}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.60);max-width:300px}
.site-footer h4{
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:rgba(255,255,255,.45);margin-bottom:16px;
}
.site-footer .footer-grid > div > a{
  display:block;font-size:14px;line-height:2.1;
  color:rgba(255,255,255,.72);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.site-footer .footer-grid > div > a:hover{color:var(--brand);padding-left:4px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:56px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.50);
  font-variant-numeric:tabular-nums;
}

/* ========== 进入视口动效 ========== */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity 280ms var(--ease),transform 280ms var(--ease)}
[data-reveal].in-view{opacity:1;transform:none}

/* ========== 响应式 ========== */
@media (max-width:1199px){
  .article-layout{gap:48px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
}
@media (max-width:991px){
  .article-layout{grid-template-columns:1fr;gap:44px;padding:40px 0 64px}
  .article-main{max-width:100%}
  .side-sticky{position:static;top:auto}
  .cta-band-inner{grid-template-columns:1fr;gap:32px;padding:52px 0}
  .cta-band-visual{order:2}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .article-hero{padding:32px 0 28px}
  .entry-content h2{font-size:24px;margin:1.7em 0 .6em}
  .entry-content h2::before{height:17px;top:.24em}
  .entry-content h3{font-size:19px}
  .entry-content{font-size:16px;line-height:1.85}
  .inline-cta{flex-direction:column;align-items:flex-start}
  .inline-cta .btn-brand{width:100%}
  .postnav{grid-template-columns:1fr}
  .postnav-card.next{align-items:flex-start;text-align:left}
}
@media (max-width:575px){
  .article-title{font-size:26px}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:0;padding-bottom:8px}
  .footer-grid > div{border-bottom:1px solid rgba(255,255,255,.08);padding:16px 0}
  .footer-grid > div:last-child{border-bottom:0}
  .footer-bottom{flex-direction:column;justify-content:center;gap:4px;height:auto;padding:16px 0}
  .rel-grid{display:flex;overflow-x:auto;gap:14px;scroll-snap-type:x mandatory;padding-bottom:8px}
  .rel-card{min-width:74vw;scroll-snap-align:start}
}

/* ========== 减少动效 ========== */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink-900:#121214;
  --ink-700:#2A2A2E;
  --ink-500:#6E6E76;
  --line:#E6E3DC;
  --bg:#F6F4EF;
  --bg-sand:#EFE9DD;
  --surface:#FFFFFF;
  --brand:#C6F04D;
  --brand-ink:#121214;
  --hot:#FF5C46;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,18,20,.04), 0 12px 32px rgba(18,18,20,.06);
  --sh-2:0 2px 4px rgba(18,18,20,.05), 0 18px 42px rgba(18,18,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),transform .22s var(--ease)}
a:hover{color:var(--ink-900)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0 0 .55em;color:var(--ink-900);font-weight:700;letter-spacing:-.01em;line-height:1.25}
h1{font-size:clamp(34px,5vw,56px);font-weight:800;letter-spacing:-.02em;line-height:1.1}
h2{font-size:clamp(26px,3.2vw,34px);line-height:1.2}
h3{font-size:clamp(19px,2vw,22px);font-weight:600;line-height:1.35}
h4{font-size:17px;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec-y) 0}
.bg-sand{background:var(--bg-sand)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 按钮 ---------- */
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;transition:all .24s var(--ease);
}
.btn-brand{background:var(--brand);color:var(--brand-ink);box-shadow:0 6px 18px rgba(198,240,77,.35)}
.btn-brand:hover{background:#cff35f;color:var(--brand-ink);transform:translateY(-1px);box-shadow:0 10px 26px rgba(198,240,77,.45)}
.btn-brand:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(198,240,77,.3)}
.btn-outline{background:transparent;border-color:var(--ink-900);color:var(--ink-900)}
.btn-outline:hover{background:var(--ink-900);color:#fff;transform:translateY(-1px)}
.btn-outline:active{transform:translateY(1px)}
.ghost-btn{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:6px 0;
  font-size:14px;font-weight:600;color:var(--ink-700);cursor:pointer;
}
.ghost-btn .arw{transition:transform .24s var(--ease);display:inline-block}
.ghost-btn:hover{color:var(--ink-900);text-decoration:underline;text-underline-offset:4px}
.ghost-btn:hover .arw{transform:translateX(4px)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.06em;
  background:var(--bg-sand);color:var(--ink-700);white-space:nowrap;
}
.tag-hot{background:var(--hot);color:#fff}
.tag-ink{background:var(--ink-900);color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:.14em;color:var(--ink-500);margin-bottom:12px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--brand);display:inline-block}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-head h2{position:relative;padding-left:16px;margin:0}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;background:var(--brand);
}
.sec-sub{color:var(--ink-500);font-size:14px;margin-top:8px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;height:72px;display:flex;align-items:center;
  background:rgba(246,244,239,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(18,18,20,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;flex:0 0 auto}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--ink-900);position:relative;display:inline-block;flex:0 0 auto}
.brand-mark::before{content:"";position:absolute;left:9px;top:7px;width:2px;height:16px;border-radius:2px;background:var(--brand)}
.brand-mark::after{content:"";position:absolute;right:8px;top:8px;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.brand-name{font-size:18px;letter-spacing:-.01em;color:var(--ink-900)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--ink-500);white-space:nowrap}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink-900);font-weight:700}
.header-cta{height:42px;padding:0 20px;font-size:14px}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:1080;visibility:hidden;pointer-events:none}
.drawer.open{visibility:visible;pointer-events:auto}
.drawer-bg{position:absolute;inset:0;background:rgba(18,18,20,.45);opacity:0;transition:opacity .24s var(--ease)}
.drawer.open .drawer-bg{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(88vw,360px);background:var(--bg);
  padding:20px;display:flex;flex-direction:column;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
  box-shadow:-16px 0 48px rgba(18,18,20,.16);
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  font-size:20px;line-height:1;color:var(--ink-900);cursor:pointer;
}
.drawer-nav a{display:block;font-size:20px;line-height:56px;color:var(--ink-500);border-bottom:1px solid var(--line)}
.drawer-nav a:hover{color:var(--ink-900)}
.drawer-nav a.active{color:var(--ink-900);font-weight:700}
.drawer-cta{margin-top:24px;height:48px;font-size:15px;width:100%}

/* ---------- 横幅 ---------- */
.page-banner{
  position:relative;display:flex;align-items:center;overflow:hidden;
  background:var(--ink-900);aspect-ratio:21/9;min-height:380px;max-height:560px;
}
.page-banner .banner-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-banner::after{content:"";position:absolute;inset:0;background:rgba(18,18,20,.42)}
.banner-inner{position:relative;z-index:2;color:#fff}
.banner-inner h1{color:#fff;margin-bottom:14px}
.crumb{font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px;display:flex;align-items:center;gap:8px}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.6}
.banner-sub{font-size:16px;color:rgba(255,255,255,.86);margin:0;max-width:640px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.banner-tags .tag{background:rgba(255,255,255,.14);color:#fff;backdrop-filter:blur(4px)}

/* ---------- 卡片 ---------- */
.card-soft{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.card-soft:hover{transform:translateY(-3px);border-color:rgba(18,18,20,.12);box-shadow:var(--sh-2)}
.card-soft .cover{position:relative;aspect-ratio:16/9;background:var(--bg-sand);overflow:hidden}
.card-soft .cover img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease)}
.card-soft:hover .cover img{transform:scale(1.04)}
.cover-badge{position:absolute;top:14px;left:14px}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{margin:0}
.card-body p{color:var(--ink-500);font-size:15px;margin:0}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--ink-500);margin-top:auto}

/* ---------- 简讯列表 ---------- */
.brief-list{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;height:100%}
.brief{
  display:flex;align-items:center;gap:14px;padding:16px 20px;min-height:88px;
  border-bottom:1px solid var(--line);transition:background-color .22s var(--ease);
}
.brief:last-child{border-bottom:0}
.brief:hover{background:var(--bg-sand)}
.brief:hover .arw{transform:translateX(4px)}
.brief-thumb{width:72px;height:56px;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-sand);flex:0 0 auto}
.brief-thumb img{width:100%;height:100%;object-fit:cover}
.brief-main{flex:1;min-width:0}
.brief-title{display:block;font-size:15px;font-weight:600;color:var(--ink-900);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brief-time{display:block;font-size:13px;color:var(--ink-500);margin-top:2px}
.brief .arw{color:var(--ink-500);transition:transform .24s var(--ease);flex:0 0 auto}

/* ---------- 图文 ---------- */
.media-frame{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--bg-sand);box-shadow:var(--sh-1)}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{display:flex;flex-direction:column;gap:2px}
.check-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.check-list li:last-child{border-bottom:0}
.check-index{
  flex:0 0 auto;width:40px;height:40px;border-radius:50%;border:1.5px solid var(--brand);
  display:grid;place-items:center;font-size:14px;font-weight:700;color:var(--ink-900);
  font-variant-numeric:tabular-nums;
}
.check-list h4{margin:0 0 4px}
.check-list p{color:var(--ink-500);font-size:14px;margin:0}

/* ---------- 流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.step-card:hover{transform:translateY(-3px);border-color:rgba(18,18,20,.12)}
.step-num{font-size:34px;font-weight:800;color:var(--brand);letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1}
.step-card h4{margin:14px 0 8px}
.step-card p{color:var(--ink-500);font-size:14px;margin:0}
.step-card::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:100%;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.step-card:hover::after{transform:scaleX(1)}

/* ---------- 排期 ---------- */
.schedule{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.sch-head,.sch-row{
  display:grid;grid-template-columns:150px minmax(0,1fr) 120px 84px 28px;
  gap:16px;align-items:center;padding:0 22px;
}
.sch-head{height:52px;background:var(--bg-sand);font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--ink-500);border-bottom:1px solid var(--line)}
.sch-row{min-height:76px;border-bottom:1px solid var(--line);transition:background-color .22s var(--ease)}
.sch-row:last-child{border-bottom:0}
.sch-row:hover{background:var(--bg-sand)}
.sch-row:hover .arw{transform:translateX(4px)}
.sch-date{font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--ink-700)}
.sch-name{font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sch-plat{font-size:13px;color:var(--ink-500)}
.sch-row .arw{color:var(--ink-500);transition:transform .24s var(--ease)}

/* ---------- 分页 ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px}
.pager .page-num,.pager .page-next{
  min-width:40px;height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-700);font-size:14px;font-variant-numeric:tabular-nums;
  display:inline-flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
}
.pager .page-num:hover,.pager .page-next:hover{border-color:var(--ink-900);color:var(--ink-900)}
.pager .page-num.current{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
.pager .page-num.current:hover{color:#fff}
.pager .page-ellipsis{color:var(--ink-500);padding:0 4px;font-size:14px}
.back-home{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-size:14px;font-weight:600;color:var(--ink-700)}
.back-home:hover{color:var(--ink-900);text-decoration:underline;text-underline-offset:4px}

/* ---------- 口碑 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.voice-card:hover{transform:translateY(-3px);border-color:rgba(18,18,20,.12)}
.voice-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:36px;height:36px;border-radius:50%;background:var(--bg-sand);border:1px solid var(--line);
  display:grid;place-items:center;font-size:14px;font-weight:700;color:var(--ink-700);flex:0 0 auto;
}
.voice-name{font-size:14px;font-weight:600}
.stars{color:var(--brand);font-size:13px;letter-spacing:.1em}
.voice-card p{margin:0;font-size:15px;color:var(--ink-700)}

/* ---------- FAQ ---------- */
.faq-acc{border-top:1px solid var(--line)}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:0}
.faq-acc .accordion-item:nth-child(even){background:var(--bg-sand)}
.faq-acc .accordion-button{
  position:relative;width:100%;min-height:56px;padding:14px 56px 14px 22px;
  background:transparent;color:var(--ink-900);font-size:17px;font-weight:600;line-height:1.5;
  border:0;border-radius:0;box-shadow:none;display:flex;align-items:center;
  transition:background-color .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink-900);background:transparent;box-shadow:none}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;
  background:var(--brand);opacity:0;transition:opacity .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1}
.faq-acc .accordion-button:focus{box-shadow:none;border:0}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:22px;top:26px;
  width:11px;height:11px;margin:0;background-image:none;background-color:transparent;
  border-right:2px solid var(--ink-900);border-bottom:2px solid var(--ink-900);
  transform:rotate(45deg);transform-origin:center;transition:transform .24s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq-acc .accordion-body{padding:0 56px 24px 22px;color:var(--ink-500);font-size:15px}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--ink-900);color:#fff;padding:72px 0}
.cta-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:26px;max-width:520px}
.cta-visual{border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.12);max-width:280px;justify-self:end}
.cta-visual img{width:100%;aspect-ratio:9/16;object-fit:cover}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:300px;margin:0}
.site-footer h4{font-size:14px;font-weight:600;letter-spacing:.06em;color:#fff;margin:0 0 16px}
.site-footer a{display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:56px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links{gap:22px}
  .nav-links a{font-size:14px}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  :root{--sec-y:64px}
  .container{padding:0 24px}
  .site-header{height:60px}
  .nav-links{display:none}
  .header-cta{display:none}
  .hamburger{display:flex}
  .page-banner{aspect-ratio:16/9;min-height:320px;max-height:none;padding:0}
  .banner-inner{padding:48px 0}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .cta-visual{justify-self:start;max-width:220px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .sch-head{display:none}
  .sch-row{grid-template-columns:1fr auto;grid-template-areas:"date tag" "name name";row-gap:6px;padding:16px 20px}
  .sch-date{grid-area:date}
  .sch-name{grid-area:name;white-space:normal}
  .sch-plat,.sch-row .arw{display:none}
}
@media (max-width:767.98px){
  .container{padding:0 20px}
  .voice-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .brief{min-height:76px;padding:14px 16px}
  .brief-thumb{width:60px;height:48px}
  .faq-acc .accordion-body{padding-right:22px}
  .cta-band{padding:56px 0}
}
@media (max-width:575.98px){
  .banner-inner h1{font-size:clamp(28px,8vw,38px)}
  .banner-sub{font-size:15px}
  .page-banner{aspect-ratio:auto;min-height:0;padding:40px 0 36px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;justify-content:center;height:auto;padding:16px 0;gap:6px;text-align:center}
  .card-body{padding:18px}
  .btn-pill{width:100%}
  .header-cta,.drawer-cta{width:auto}
  .drawer-cta{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --ink-900:#121214;
  --ink-700:#2A2A2E;
  --ink-500:#6E6E76;
  --line:#E6E3DC;
  --bg:#F6F4EF;
  --bg-sand:#EFE9DD;
  --surface:#FFFFFF;
  --brand:#C6F04D;
  --brand-ink:#121214;
  --hot:#FF5C46;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow-card:0 1px 2px rgba(18,18,20,.04), 0 12px 32px rgba(18,18,20,.06);
  --shadow-lift:0 2px 4px rgba(18,18,20,.06), 0 18px 40px rgba(18,18,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:240ms;
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease),opacity var(--dur) var(--ease)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-0.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,.card:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-sm);
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section.tight{padding:72px 0}
.bg-sand{background:var(--bg-sand)}
.bg-ink{background:var(--ink-900);color:#fff}
.bg-ink h2,.bg-ink h3{color:#fff}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(18,18,20,.05)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-0.02em;color:var(--ink-900)}
.brand-mark{
  position:relative;display:inline-block;width:22px;height:22px;border:2px solid var(--ink-900);border-radius:7px;flex:0 0 auto;
}
.brand-mark::before{content:"";position:absolute;left:50%;top:4px;transform:translateX(-50%);width:2px;height:14px;background:var(--ink-900)}
.brand-mark::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:6px;height:6px;border-radius:50%;background:var(--brand);border:1.5px solid var(--ink-900)}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-500);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);
  transition:width var(--dur) var(--ease);
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--ink-900)}
.nav-links a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  background:var(--brand);color:var(--brand-ink);
  font-weight:700;font-size:15px;border-radius:var(--r-pill);
  border:0;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),filter var(--dur) var(--ease);
}
.btn-pill:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 10px 24px rgba(198,240,77,.45)}
.btn-pill:active{transform:translateY(1px);box-shadow:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:12px;padding:0;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px}
.drawer{background:var(--bg)!important;border-left:1px solid var(--line)!important;width:min(88vw,360px)!important}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.drawer .offcanvas-body{padding:22px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);font-size:20px;line-height:1;color:var(--ink-900);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;margin:10px 0 22px}
.drawer-nav a{font-size:20px;line-height:56px;font-weight:600;color:var(--ink-700);border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--ink-900);box-shadow:inset 3px 0 0 var(--brand);padding-left:12px}
.drawer-cta{display:block;width:100%;text-align:center}

/* ---------- Buttons ---------- */
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1.5px solid var(--ink-900);
  background:transparent;color:var(--ink-900);font-weight:600;font-size:15px;border-radius:var(--r-pill);
  cursor:pointer;transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-outline:hover{background:var(--ink-900);color:#fff;transform:translateY(-1px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;color:var(--ink-900);font-weight:600;font-size:15px;
  border:0;background:transparent;padding:6px 0;cursor:pointer;
}
.btn-ghost i{transition:transform var(--dur) var(--ease)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-ghost:hover{border-bottom:1px solid var(--ink-900)}
.btn-dark-pill{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;
  background:var(--ink-900);color:#fff;border-radius:var(--r-pill);font-weight:700;font-size:15px;border:0;cursor:pointer;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.btn-dark-pill:hover{background:var(--ink-700);transform:translateY(-1px)}

/* ---------- Breadcrumb ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--ink-500);display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumb a:hover{color:var(--ink-900)}
.crumb .sep{color:var(--line)}

/* ---------- Hero banner ---------- */
.hero-banner{
  position:relative;margin-top:18px;border-radius:var(--r-lg);overflow:hidden;
  background-color:var(--bg-sand);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  aspect-ratio:21/9;min-height:320px;
  display:flex;align-items:flex-end;
}
.hero-banner::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,18,20,.20),rgba(18,18,20,.68));
}
.hero-inner{position:relative;z-index:2;padding:48px;width:100%;color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);color:#fff;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.06em;padding:6px 14px;margin-bottom:18px;
}
.hero-inner h1{
  color:#fff;font-size:clamp(30px,4.4vw,52px);line-height:1.1;font-weight:800;letter-spacing:-0.02em;
  max-width:22ch;
}
.hero-sub{margin-top:16px;font-size:17px;color:rgba(255,255,255,.86);max-width:44ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-actions .btn-outline{border-color:#fff;color:#fff}
.hero-actions .btn-outline:hover{background:#fff;color:var(--ink-900)}

/* ---------- Stat bar ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);margin-top:56px;
}
.stat-item{padding:26px 24px;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-0.02em;line-height:1.2}
.stat-num span{font-size:14px;font-weight:600;color:var(--ink-500);margin-left:4px}
.stat-label{font-size:14px;color:var(--ink-500);margin-top:6px}

/* ---------- Section heading ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-title{font-size:clamp(24px,3vw,34px);line-height:1.2;font-weight:700;position:relative;padding-left:18px}
.sec-title::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:1.05em;background:var(--brand);border-radius:2px;
}
.sec-desc{font-size:15px;color:var(--ink-500);margin-top:10px;padding-left:18px;max-width:60ch}

/* ---------- Highlights ---------- */
.hl-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:24px}
.hl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-card);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.hl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:rgba(18,18,20,.12)}
.hl-icon{
  width:48px;height:48px;border-radius:14px;background:var(--bg-sand);display:flex;align-items:center;justify-content:center;
  color:var(--ink-900);font-size:19px;margin-bottom:18px;
}
.hl-card h3{font-size:20px;font-weight:700;line-height:1.35;margin-bottom:10px}
.hl-card p{font-size:15px;color:var(--ink-500)}
.hl-card.featured{background:var(--ink-900);border-color:var(--ink-900)}
.hl-card.featured h3{color:#fff}
.hl-card.featured p{color:rgba(255,255,255,.72)}
.hl-card.featured .hl-icon{background:var(--brand);color:var(--brand-ink)}
.hl-meta{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}

/* ---------- Tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--bg-sand);color:var(--ink-700);
}
.tag.hot{background:var(--hot);color:#fff}
.tag.dark{background:var(--ink-900);color:#fff}
.tag.line{background:transparent;border:1px solid var(--line);color:var(--ink-500)}

/* ---------- Waterfall ---------- */
.falls{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.fall-col{display:flex;flex-direction:column;gap:28px}
.fall-col.offset{margin-top:32px}
.g-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.g-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:rgba(18,18,20,.12)}
.g-media{
  position:relative;background:var(--bg-sand);overflow:hidden;
}
.g-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur) var(--ease)}
.g-card:hover .g-media img{transform:scale(1.04)}
.ar-34{aspect-ratio:3/4}
.ar-169{aspect-ratio:16/9}
.ar-11{aspect-ratio:1/1}
.g-badge{position:absolute;left:14px;top:14px;z-index:2}
.g-count{
  position:absolute;right:14px;bottom:14px;z-index:2;
  background:rgba(18,18,20,.72);color:#fff;font-size:12px;font-weight:600;
  padding:5px 10px;border-radius:8px;letter-spacing:.02em;
}
.g-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.g-body h3{font-size:21px;font-weight:700;line-height:1.35}
.g-body p{font-size:15px;color:var(--ink-500)}
.g-facts{display:flex;flex-wrap:wrap;gap:8px}
.g-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.g-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px}
.g-link i{transition:transform var(--dur) var(--ease)}
.g-card:hover .g-link i{transform:translateX(4px)}
.pulse{animation:pulse 2.4s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}

/* ---------- Pager ---------- */
.pager-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;margin-top:44px}
.pager{display:flex;align-items:center;gap:10px}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:600;color:var(--ink-700);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.pager a:hover{background:var(--bg-sand);color:var(--ink-900)}
.pager .current{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
.pager .wide{width:auto;padding:0 16px}

/* ---------- Steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--shadow-card);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
.step-num{
  font-size:20px;font-weight:800;color:var(--brand-ink);background:var(--brand);
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-500)}

/* ---------- Scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  display:flex;gap:20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-card);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:rgba(18,18,20,.12)}
.scene-thumb{
  width:96px;height:96px;flex:0 0 auto;border-radius:var(--r-md);overflow:hidden;background:var(--bg-sand);
}
.scene-thumb img{width:100%;height:100%;object-fit:cover}
.scene-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--ink-500)}
.scene-card .tag{margin-top:12px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;margin-bottom:14px;transition:border-color var(--dur) var(--ease);
}
.faq-item:nth-child(even){background:var(--bg-sand)}
.faq-btn{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink-900);position:relative;
}
.faq-btn::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform var(--dur) var(--ease);
}
.faq-btn[aria-expanded="true"]::after{transform:scaleY(1)}
.faq-btn .sign{position:relative;width:12px;height:12px;flex:0 0 auto}
.faq-btn .sign::before,.faq-btn .sign::after{
  content:"";position:absolute;background:var(--ink-900);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.faq-btn .sign::before{left:0;top:5px;width:12px;height:2px}
.faq-btn .sign::after{left:5px;top:0;width:2px;height:12px}
.faq-btn[aria-expanded="true"] .sign::after{transform:scaleY(0);opacity:0}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--ink-500);max-width:70ch}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink-900);border-radius:var(--r-lg);overflow:hidden;
  display:grid;grid-template-columns:7fr 5fr;align-items:center;
}
.cta-copy{padding:52px 48px}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.2;font-weight:800;letter-spacing:-0.02em}
.cta-copy p{color:rgba(255,255,255,.72);margin-top:14px;font-size:16px;max-width:44ch}
.cta-copy .btn-pill{margin-top:28px}
.cta-visual{height:100%;min-height:280px;background:var(--bg-sand)}
.cta-visual img{width:100%;height:100%;object-fit:cover}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;letter-spacing:-0.02em}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.site-footer a{display:block;font-size:14px;color:rgba(255,255,255,.72);line-height:2.2}
.site-footer a:hover{color:var(--brand)}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);margin-top:14px;max-width:32ch;line-height:1.9}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 280ms var(--ease),transform 280ms var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .header-inner{gap:20px}
  .nav-links{gap:22px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .hero-banner{aspect-ratio:16/9}
  .hero-inner{padding:32px}
  .hl-grid{grid-template-columns:1fr 1fr}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding:22px 18px}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
  .cta-band{grid-template-columns:1fr}
  .cta-copy{padding:40px 32px}
  .cta-visual{min-height:220px;order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{height:60px}
  .falls{grid-template-columns:1fr}
  .fall-col.offset{margin-top:0}
  .hl-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .g-body h3{font-size:19px}
}
@media (max-width:575px){
  .section{padding:56px 0}
  .hero-banner{border-radius:var(--r-md);min-height:280px;aspect-ratio:auto}
  .hero-inner{padding:24px 20px}
  .hero-actions .btn-pill,.hero-actions .btn-outline{width:100%}
  .step-grid{grid-template-columns:1fr}
  .stat-bar{grid-template-columns:1fr}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid var(--line)}
  .stat-item:first-child{border-top:0}
  .scene-card{flex-direction:column}
  .scene-thumb{width:100%;height:160px}
  .pager-wrap{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;justify-content:center;height:auto;padding:16px 0;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink-900:#121214;
  --ink-700:#2A2A2E;
  --ink-500:#6E6E76;
  --line:#E6E3DC;
  --bg:#F6F4EF;
  --bg-sand:#EFE9DD;
  --surface:#FFFFFF;
  --brand:#C6F04D;
  --brand-ink:#121214;
  --hot:#FF5C46;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,18,20,.04);
  --shadow-2:0 1px 2px rgba(18,18,20,.04),0 12px 32px rgba(18,18,20,.06);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:240ms;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--ink-900)}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;color:var(--ink-900)}
h1{font-size:clamp(34px,5vw,56px);line-height:1.1;font-weight:800}
h2{font-size:clamp(26px,3vw,34px);line-height:1.2;font-weight:700}
h3{font-size:clamp(19px,2vw,22px);line-height:1.35;font-weight:600}
p{margin:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:96px 0}
.section--sand{background:var(--bg-sand)}
.section--ink{background:var(--ink-900);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:1em;background:var(--brand);border-radius:2px;
}
.section-head p{color:var(--ink-500);font-size:14px;margin-top:8px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:5px 12px;border-radius:var(--r-pill);background:var(--bg-sand);color:var(--ink-700);
}
.badge-hot{background:var(--hot);color:#fff;font-size:12px;font-weight:600;letter-spacing:.06em;padding:4px 10px;border-radius:var(--r-pill)}
.badge-ink{background:var(--ink-900);color:#fff;font-size:12px;font-weight:600;letter-spacing:.06em;padding:4px 10px;border-radius:var(--r-pill)}
.badge-sand{background:var(--bg-sand);color:var(--ink-700);font-size:12px;font-weight:600;letter-spacing:.06em;padding:4px 10px;border-radius:var(--r-pill)}

/* ---------- buttons ---------- */
.btn-brand,.btn-outline-ink,.btn-ghost{display:inline-flex;align-items:center;gap:8px;justify-content:center;cursor:pointer;border:0;background:none;transition:all var(--dur) var(--ease)}
.btn-brand{
  background:var(--brand);color:var(--brand-ink);font-weight:700;font-size:15px;
  padding:13px 26px;border-radius:var(--r-pill);box-shadow:var(--shadow-1);
}
.btn-brand:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 8px 20px rgba(18,18,20,.14);color:var(--brand-ink)}
.btn-brand:active{transform:translateY(1px)}
.btn-outline-ink{
  border:1.5px solid var(--ink-900);color:var(--ink-900);font-weight:600;font-size:15px;
  padding:11.5px 24px;border-radius:var(--r-pill);background:transparent;
}
.btn-outline-ink:hover{background:var(--ink-900);color:#fff}
.btn-ghost{color:var(--ink-900);font-weight:600;font-size:14px;padding:6px 0}
.btn-ghost .arw{transition:transform var(--dur) var(--ease)}
.btn-ghost:hover .arw{transform:translateX(4px)}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:5px}
.btn-brand:focus-visible,.btn-outline-ink:focus-visible,.btn-ghost:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;
}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;height:var(--nav-h);
  background:rgba(246,244,239,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(18,18,20,.05)}
.header-inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--ink-900);position:relative;display:inline-block;flex:0 0 auto;
}
.brand-mark::before{content:"";position:absolute;left:50%;top:6px;width:2px;height:16px;background:var(--brand);transform:translateX(-1px);border-radius:2px}
.brand-mark::after{content:"";position:absolute;left:50%;top:11px;width:9px;height:9px;border:2px solid var(--brand);border-radius:50%;transform:translateX(-50%)}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-500);padding:6px 0;line-height:1.4;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);
  transition:width var(--dur) var(--ease);
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--ink-900);font-weight:600}
.nav-links a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:14px}
.header-cta{padding:10px 20px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;padding:10px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--ink-900);border-radius:2px;margin:5px 0}
.nav-toggle span:first-child{margin-top:0}
.nav-toggle span:last-child{margin-bottom:0}

/* ---------- drawer ---------- */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(18,18,20,.42);z-index:1040;opacity:0;pointer-events:none;
  transition:opacity var(--dur) var(--ease);
}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);background:var(--bg);z-index:1045;
  transform:translateX(101%);transition:transform var(--dur) var(--ease);
  display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);font-size:18px;line-height:1;cursor:pointer}
.drawer-search{display:flex;gap:8px;margin-bottom:18px}
.drawer-search input{
  flex:1;height:48px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  padding:0 14px;font-size:15px;color:var(--ink-900);
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(198,240,77,.5)}
.drawer-search button{width:56px;border-radius:12px;border:0;background:var(--ink-900);color:#fff;font-weight:600;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  font-size:20px;line-height:56px;font-weight:600;color:var(--ink-700);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--ink-900)}
.drawer-foot{margin-top:auto;padding-top:24px}

/* ---------- banner ---------- */
.page-banner{
  position:relative;aspect-ratio:21/9;min-height:300px;display:flex;align-items:flex-end;
  background:var(--ink-900) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-banner::after{content:"";position:absolute;inset:0;background:rgba(18,18,20,.4)}
.page-banner .container{position:relative;z-index:2;padding-bottom:52px;color:#fff}
.page-banner .crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:14px}
.page-banner .crumb a{color:rgba(255,255,255,.72)}
.page-banner .crumb a:hover{color:var(--brand)}
.page-banner h1{color:#fff;max-width:16em}
.page-banner .banner-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.86);max-width:44em}

/* ---------- stat strip ---------- */
.stat-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.stat-strip .container{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:30px 24px;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-size:30px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat-num small{font-size:14px;font-weight:600;color:var(--ink-500);margin-left:4px;letter-spacing:0}
.stat-label{font-size:13px;color:var(--ink-500);margin-top:4px}

/* ---------- intro split ---------- */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.intro-grid .lead{font-size:17px;color:var(--ink-700);margin-top:20px}
.intro-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2)}
.intro-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg-sand)}
.intro-media .tag-on{position:absolute;left:16px;top:16px}
.check-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-700)}
.check-list li::before{
  content:"";flex:0 0 auto;width:20px;height:20px;margin-top:3px;border-radius:6px;
  background:var(--brand);box-shadow:inset 0 0 0 2px var(--ink-900);
}

/* ---------- timeline ---------- */
.timeline{position:relative;list-style:none;margin:0;padding:0}
.timeline::before{
  content:"";position:absolute;left:116px;top:8px;bottom:8px;width:1px;background:var(--line);
}
.tl-item{display:grid;grid-template-columns:96px 40px 1fr;align-items:flex-start;margin-bottom:26px}
.tl-date{
  text-align:right;padding-top:22px;font-size:15px;font-weight:700;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;color:var(--ink-500);
}
.tl-node{position:relative;height:100%;min-height:44px}
.tl-node::before{
  content:"";position:absolute;left:50%;top:26px;width:11px;height:11px;border-radius:50%;
  background:var(--surface);border:2px solid var(--ink-900);transform:translateX(-50%);
}
.tl-item.is-current .tl-node::before{background:var(--brand);border-color:var(--ink-900);box-shadow:0 0 0 6px rgba(198,240,77,.35)}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--shadow-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(18,18,20,.12)}
.tl-card .tl-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.tl-card .tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tl-points{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px}
.tl-points li{position:relative;padding-left:16px;font-size:15px;color:var(--ink-700)}
.tl-points li::before{content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:2px;background:var(--brand)}
.tl-more{margin-top:16px;display:inline-flex}

/* ---------- scenario cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--shadow-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  display:flex;flex-direction:column;gap:12px;height:100%;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(18,18,20,.12)}
.scene-card p{font-size:14px;color:var(--ink-500);line-height:1.8}
.scene-ico{
  width:44px;height:44px;border-radius:var(--r-sm);background:var(--bg-sand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.scene-card h3{font-size:18px}

/* ---------- module grid ---------- */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.module-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  display:flex;flex-direction:column;
}
.module-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(18,18,20,.12)}
.module-card .thumb{position:relative;overflow:hidden;background:var(--bg-sand)}
.module-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--dur) var(--ease)}
.module-card:hover .thumb img{transform:scale(1.04)}
.module-card .thumb .tag-on{position:absolute;left:14px;top:14px}
.module-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.module-card .body p{font-size:14px;color:var(--ink-500);line-height:1.8}
.module-card .body .tl-more{margin-top:auto}

/* ---------- pager ---------- */
.pager{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:36px}
.pager-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;
  color:var(--ink-700);font-variant-numeric:tabular-nums;transition:all var(--dur) var(--ease);
}
.pager-btn:hover{border-color:var(--ink-900);transform:translateY(-2px)}
.pager-btn.is-current{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
.pager-note{margin-left:8px;font-size:13px;color:var(--ink-500)}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px}
.faq-acc .accordion-item{border:0;border-radius:0;background:transparent;border-bottom:1px solid var(--line)}
.faq-acc .accordion-item:nth-child(odd){background:var(--bg-sand)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  position:relative;width:100%;min-height:56px;padding:16px 48px 16px 18px;font-size:17px;font-weight:600;
  color:var(--ink-900);background:transparent;border:0;border-radius:0;box-shadow:none;line-height:1.5;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink-900);background:transparent;box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid var(--brand);outline-offset:-2px}
.faq-acc .accordion-button::before{
  content:"";position:absolute;right:18px;top:50%;width:14px;height:2px;background:var(--ink-900);
  transform:translateY(-50%);border-radius:2px;
}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:24px;top:50%;width:2px;height:14px;background:var(--ink-900);
  transform:translateY(-50%);border-radius:2px;transition:transform var(--dur) var(--ease);background-image:none;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) scaleY(0)}
.faq-acc .accordion-item{position:relative}
.faq-acc .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  opacity:0;transition:opacity var(--dur) var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::before{background:var(--ink-900)}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1}
.faq-acc .accordion-body{padding:0 48px 22px 18px;font-size:15px;color:var(--ink-700)}

/* ---------- cta bar ---------- */
.cta-bar{background:var(--ink-900);color:#fff}
.cta-bar .inner{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;padding:72px 0}
.cta-bar h2{color:#fff}
.cta-bar p{color:rgba(255,255,255,.72);margin-top:14px;font-size:16px;max-width:34em}
.cta-bar .cta-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.cta-bar .cta-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:0 24px 48px rgba(0,0,0,.4)}
.cta-bar .cta-media img{width:100%;aspect-ratio:9/16;object-fit:cover;background:var(--bg-sand)}
.ghost-on-ink{border-color:rgba(255,255,255,.6);color:#fff}
.ghost-on-ink:hover{background:#fff;color:var(--ink-900);border-color:#fff}

/* ---------- back home ---------- */
.back-home{text-align:center;padding:56px 0 0}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:0}
.site-footer .container{padding-top:72px;padding-bottom:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:#fff}
.footer-brand .brand-mark::before{background:var(--ink-900)}
.footer-brand .brand-mark::after{border-color:var(--ink-900)}
.footer-desc{font-size:14px;line-height:1.8;max-width:26em}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:0}
.site-footer .footer-grid a{display:block;font-size:14px;color:rgba(255,255,255,.72);line-height:2.1}
.site-footer .footer-grid a:hover{color:var(--brand)}
.footer-bottom{
  height:56px;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.55);
  font-variant-numeric:tabular-nums;
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 260ms var(--ease),transform 260ms var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .container{padding:0 24px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .module-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .section{padding:72px 0}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .stat-strip .container{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding:22px 20px;border-left:1px solid var(--line)}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
  .stat-item:nth-child(n+3){border-top:1px solid var(--line)}
  .cta-bar .inner{grid-template-columns:1fr;padding:56px 0}
  .cta-bar .cta-media{max-width:320px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .page-banner{aspect-ratio:16/9;min-height:260px}
  .page-banner .container{padding-bottom:36px}
  .timeline::before{left:19px}
  .tl-item{grid-template-columns:40px 1fr;margin-bottom:20px}
  .tl-date{
    grid-column:1 / -1;text-align:left;padding:0 0 8px 52px;font-size:13px;color:var(--ink-500);
  }
  .tl-node{min-height:0}
  .tl-node::before{top:26px;left:14px}
  .tl-card{padding:20px}
}
@media (max-width:575.98px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .card-grid,.module-grid{grid-template-columns:1fr}
  .stat-strip .container{grid-template-columns:1fr}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid var(--line)}
  .stat-item:first-child{border-top:0}
  .cta-bar .cta-actions .btn-brand,.cta-bar .cta-actions .btn-outline-ink{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;height:auto;gap:6px;padding:16px 0}
  .faq-acc .accordion-button{padding-right:42px;font-size:16px}
  .faq-acc .accordion-body{padding-right:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --ink-900:#121214;
  --ink-700:#2A2A2E;
  --ink-500:#6E6E76;
  --line:#E6E3DC;
  --bg:#F6F4EF;
  --bg-sand:#EFE9DD;
  --surface:#FFFFFF;
  --brand:#C6F04D;
  --brand-ink:#121214;
  --hot:#FF5C46;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow-card:0 1px 2px rgba(18,18,20,.04),0 12px 32px rgba(18,18,20,.06);
  --shadow-hover:0 1px 2px rgba(18,18,20,.04),0 18px 40px rgba(18,18,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:220ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--ink-900)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,.card: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}
.section{padding:96px 0}
.section-sand{background:var(--bg-sand)}
.section-surface{background:var(--surface)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{display:flex;align-items:center;gap:14px;font-size:clamp(26px,3vw,34px);font-weight:700}
.sec-title::before{content:"";width:6px;height:28px;background:var(--brand);border-radius:3px;flex:none}
.sec-sub{color:var(--ink-500);font-size:15px;margin-top:8px;padding-left:20px}
.sec-link{font-size:15px;font-weight:600;color:var(--ink-700);display:inline-flex;align-items:center;gap:6px}
.sec-link i{font-style:normal;transition:transform var(--dur) var(--ease);display:inline-block}
.sec-link:hover i{transform:translateX(4px)}
.sec-link:hover{text-decoration:underline;text-underline-offset:4px}

/* 顶栏 */
.top-strip{
  background:var(--brand);color:var(--brand-ink);
  font-size:13.5px;font-weight:600;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  min-height:40px;position:relative;padding:6px 52px;
  text-align:center;
}
.top-strip .strip-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-strip .strip-close{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;border:1px solid rgba(18,18,20,.25);
  background:transparent;color:var(--brand-ink);line-height:1;font-size:15px;cursor:pointer;
  display:grid;place-items:center;
}
.top-strip .strip-close:hover{background:rgba(18,18,20,.10)}
.top-strip[hidden]{display:none}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px rgba(18,18,20,.06);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  position:relative;width:28px;height:28px;border-radius:9px;
  background:var(--ink-900);display:inline-block;flex:none;
}
.brand-mark::before{
  content:"";position:absolute;left:9px;top:6px;width:3px;height:16px;
  background:var(--brand);border-radius:2px;
}
.brand-mark::after{
  content:"";position:absolute;right:6px;top:7px;width:8px;height:8px;
  border:2px solid var(--brand);border-radius:50%;
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-0.01em;color:var(--ink-900)}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-500);
  padding:6px 0;transition:color var(--dur) var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);border-radius:2px;transition:width var(--dur) var(--ease);
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a.active{color:var(--ink-900);font-weight:600}
.nav-links a.active::after,.nav-links a:hover::after{width:100%}
.nav-cta{
  flex:none;display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--brand);color:var(--brand-ink);font-size:15px;font-weight:700;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),filter var(--dur) var(--ease);
}
.nav-cta:hover{color:var(--brand-ink);filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,18,20,.16)}
.nav-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);margin-left:auto;padding:0;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink-900);margin:4px auto;border-radius:2px;transition:transform var(--dur) var(--ease)}
.nav-toggle:hover{border-color:rgba(18,18,20,.2)}

/* 抽屉 */
.offcanvas.offcanvas-end.nav-drawer{background:var(--bg);width:320px;border-left:1px solid var(--line)}
.nav-drawer .offcanvas-header{padding:18px 22px;border-bottom:1px solid var(--line)}
.nav-drawer .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:22px}
.drawer-search{display:flex;gap:8px}
.drawer-search input{
  flex:1;height:48px;border:1px solid var(--line);border-radius:12px;
  padding:0 14px;font-size:15px;background:var(--surface);color:var(--ink-900);min-width:0;
}
.drawer-search input::placeholder{color:var(--ink-500)}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px var(--brand)}
.drawer-search button{
  height:48px;padding:0 16px;border-radius:12px;border:none;
  background:var(--ink-900);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
}
.drawer-search button:hover{background:var(--ink-700)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:20px;font-weight:600;line-height:56px;color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--ink-900)}
.drawer-nav a.active::after{content:"●";color:var(--brand);font-size:12px;margin-left:8px;vertical-align:middle}
.drawer-cta{margin-top:auto;width:100%}

/* 按钮 */
.btn-brand,.btn-outline-ink,.btn-outline-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),filter var(--dur) var(--ease);
}
.btn-brand{background:var(--brand);color:var(--brand-ink);border:1px solid transparent}
.btn-brand:hover{background:var(--brand);color:var(--brand-ink);filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 12px 26px rgba(18,18,20,.18)}
.btn-brand:active{transform:translateY(1px);box-shadow:none}
.btn-outline-ink{background:transparent;color:var(--ink-900);border:1.5px solid var(--ink-900)}
.btn-outline-ink:hover{background:var(--ink-900);color:#fff}
.btn-outline-ink:active{transform:translateY(1px)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.72)}
.btn-outline-light:hover{background:#fff;color:var(--ink-900);border-color:#fff}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--ink-700);background:none;border:none;padding:8px 0;cursor:pointer;
}
.btn-ghost i{font-style:normal;transition:transform var(--dur) var(--ease)}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:4px;color:var(--ink-900)}
.btn-ghost:hover i{transform:translateX(4px)}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--bg-sand);color:var(--ink-700);white-space:nowrap;
}
.tag-hot{background:var(--hot);color:#fff}
.tag-dark{background:var(--ink-900);color:#fff}
.tag-live{background:var(--hot);color:#fff}
.tag-live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#fff;
  animation:breathe 1.6s var(--ease) infinite;
}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.32}}

/* Hero */
.page-hero{
  position:relative;aspect-ratio:21/9;min-height:400px;
  display:flex;align-items:center;overflow:hidden;color:#fff;
  background-image:linear-gradient(90deg,rgba(18,18,20,.80) 0%,rgba(18,18,20,.52) 52%,rgba(18,18,20,.38) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,transparent 58%,rgba(18,18,20,.55));
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:#fff}
.crumbs span.sep{color:rgba(255,255,255,.45)}
.page-hero h1{
  font-size:clamp(34px,5vw,56px);font-weight:800;letter-spacing:-0.02em;line-height:1.1;
  max-width:16em;
}
.hero-sub{
  margin-top:16px;font-size:17px;color:rgba(255,255,255,.82);max-width:32em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.66);font-variant-numeric:tabular-nums}

/* 数据条 */
.stat-section{padding:0 0 56px;background:var(--bg)}
.stat-section .container{padding-top:0}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);margin-top:0;
}
.stat-item{padding:30px 26px 6px;position:relative}
.stat-item + .stat-item{border-left:1px solid var(--line)}
.stat-num{
  display:block;font-size:clamp(28px,3.4vw,38px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-0.02em;
}
.stat-num em{font-style:normal;font-size:14px;font-weight:600;color:var(--ink-500);margin-left:6px}
.stat-label{display:block;margin-top:10px;font-size:14px;color:var(--ink-500)}

/* 卡片通用 */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.card:hover{transform:translateY(-3px);border-color:rgba(18,18,20,.12);box-shadow:var(--shadow-hover)}
.thumb{position:relative;background:var(--bg-sand);overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur) var(--ease)}
.card:hover .thumb img{transform:scale(1.04)}
.thumb-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:4px 10px;border-radius:var(--r-pill);
}
.thumb-badge.hot{background:var(--hot);color:#fff}
.thumb-badge.new{background:var(--ink-900);color:#fff}
.thumb-duration{
  position:absolute;right:12px;bottom:12px;z-index:2;
  background:rgba(18,18,20,.72);color:#fff;font-size:12px;font-weight:600;
  padding:3px 9px;border-radius:var(--r-pill);font-variant-numeric:tabular-nums;
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:20px;font-weight:600;line-height:1.35}
.card-body p{font-size:15px;color:var(--ink-500);line-height:1.75}
.card-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums;
  margin-top:auto;
}
.ratio-3x4{aspect-ratio:3/4}
.ratio-16x9{aspect-ratio:16/9}
.ratio-1x1{aspect-ratio:1/1}
.ratio-4x3{aspect-ratio:4/3}

/* 杂志三栏 */
.mag-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:26px;align-items:start}
.mag-col{display:flex;flex-direction:column;gap:26px}
.mag-col.offset{padding-top:32px}
.mag-mini{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px;border-radius:var(--r-md);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.mag-mini:hover{transform:translateY(-3px);border-color:rgba(18,18,20,.12)}
.mag-mini .mini-thumb{
  width:72px;height:72px;flex:none;border-radius:12px;overflow:hidden;background:var(--bg-sand);
}
.mag-mini .mini-thumb img{width:100%;height:100%;object-fit:cover}
.mag-mini h3{font-size:16.5px;font-weight:600;line-height:1.4}
.mag-mini p{font-size:13.5px;color:var(--ink-500);line-height:1.6;margin-top:6px}
.mag-text-card{
  background:var(--ink-900);color:#fff;border-radius:var(--r-lg);padding:26px;
  display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-card);
}
.mag-text-card h3{font-size:20px;color:#fff}
.mag-text-card p{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.8}
.mag-text-card .tag{align-self:flex-start;background:rgba(255,255,255,.1);color:#fff}
.mag-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.mag-list a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 4px;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--ink-700);
}
.mag-list a span.num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink-900);font-size:14px;flex:none}
.mag-list a i{font-style:normal;color:var(--ink-500);transition:transform var(--dur) var(--ease)}
.mag-list a:hover{color:var(--ink-900);background:var(--surface)}
.mag-list a:hover i{transform:translateX(4px)}

/* 引语通栏 */
.quote-band{background:var(--ink-900);color:#fff;padding:80px 0}
.quote-band blockquote{margin:0;max-width:900px}
.quote-band p{
  font-size:clamp(24px,3.2vw,38px);font-weight:700;line-height:1.42;letter-spacing:-0.01em;color:#fff;
}
.quote-band .underline{display:block;width:72px;height:5px;background:var(--brand);border-radius:3px;margin-top:26px}
.quote-band .quote-from{
  margin-top:22px;font-size:14.5px;color:rgba(255,255,255,.66);font-variant-numeric:tabular-nums;
}

/* 排期表 */
.schedule{border-top:1px solid var(--line);background:var(--surface);border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.schedule-row{
  display:grid;grid-template-columns:110px 1fr auto 40px;gap:20px;align-items:center;
  padding:22px 26px;border-bottom:1px solid var(--line);
  transition:background-color var(--dur) var(--ease);
}
.schedule-row:last-child{border-bottom:none}
.schedule-row:hover{background:var(--bg)}
.sched-time{font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-0.01em}
.sched-main h3{font-size:17.5px;font-weight:600}
.sched-main p{font-size:13.5px;color:var(--ink-500);margin-top:4px;font-variant-numeric:tabular-nums}
.sched-arrow{font-style:normal;color:var(--ink-500);text-align:right;transition:transform var(--dur) var(--ease)}
.schedule-row:hover .sched-arrow{transform:translateX(4px);color:var(--ink-900)}

/* 主播阵容 */
.host-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.host-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:14px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.host-card:hover{transform:translateY(-3px);border-color:rgba(18,18,20,.12);box-shadow:var(--shadow-hover)}
.host-avatar{width:56px;height:56px;border-radius:50%;object-fit:cover;background:var(--bg-sand);border:2px solid var(--bg-sand)}
.host-card h3{font-size:18px;font-weight:600}
.host-card .host-skill{font-size:13.5px;color:var(--ink-500);line-height:1.7}
.host-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}

/* 提示两列 */
.tip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.tip-card{
  background:var(--bg-sand);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;display:flex;gap:18px;align-items:flex-start;
}
.tip-card .tip-icon{
  width:44px;height:44px;flex:none;border-radius:14px;background:var(--ink-900);color:var(--brand);
  display:grid;place-items:center;font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;
}
.tip-card h3{font-size:17.5px;font-weight:600}
.tip-card p{font-size:14.5px;color:var(--ink-500);margin-top:8px;line-height:1.8}

/* FAQ */
.faq-wrap{max-width:880px}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  margin-bottom:12px;background:var(--surface);
}
.accordion-item:nth-child(even){background:var(--bg-sand)}
.accordion-button{
  position:relative;background:transparent;border:none;
  min-height:56px;padding:14px 56px 14px 22px;width:100%;
  font-size:17px;font-weight:600;color:var(--ink-900);text-align:left;
  display:flex;align-items:center;
}
.accordion-button:not(.collapsed){
  color:var(--ink-900);
  background:transparent;
  box-shadow:inset 3px 0 0 var(--brand);
}
.accordion-button:focus{box-shadow:inset 3px 0 0 var(--brand),0 0 0 2px var(--brand);outline:none}
.accordion-button::before{
  content:"";position:absolute;right:22px;top:50%;width:12px;height:2px;
  background:var(--ink-900);transform:translateY(-50%);
}
.accordion-button::after{
  content:"";position:absolute;right:27px;top:50%;width:2px;height:12px;
  background:var(--ink-900);transform:translateY(-50%);
  transition:opacity var(--dur) var(--ease);background-image:none;
}
.accordion-button:not(.collapsed)::after{opacity:0}
.accordion-body{padding:4px 22px 22px 25px;font-size:15.5px;color:var(--ink-700);line-height:1.85}

/* 翻页器 */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:44px}
.pager a,.pager span.cur{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-700);
  font-size:14.5px;font-weight:600;font-variant-numeric:tabular-nums;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.pager a:hover{transform:translateY(-2px);border-color:rgba(18,18,20,.2);background:var(--surface);color:var(--ink-900)}
.pager .cur{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
.pager .pager-text{
  width:auto;padding:0 16px;background:transparent;border:none;
}
.pager .pager-text:hover{transform:none;background:transparent;text-decoration:underline;text-underline-offset:4px}
.back-home{display:flex;justify-content:center;margin-top:28px}

/* CTA */
.cta-band{background:var(--ink-900);color:#fff;padding:0;overflow:hidden}
.cta-inner{
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  padding:72px 0;
}
.cta-inner h2{font-size:clamp(26px,3.6vw,42px);font-weight:800;letter-spacing:-0.02em;line-height:1.2;color:#fff}
.cta-inner p{color:rgba(255,255,255,.72);font-size:16px;margin-top:16px;max-width:34em}
.cta-inner .btn-brand{margin-top:28px}
.cta-media{display:flex;justify-content:flex-end}
.cta-media .cta-frame{
  width:min(280px,100%);aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);background:#1c1c1f;
}
.cta-media .cta-frame img{width:100%;height:100%;object-fit:cover}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding-top:72px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:#fff;letter-spacing:-0.01em;
}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:26em}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:18px}
.site-footer .footer-grid a{display:block;font-size:14.5px;color:rgba(255,255,255,.72);line-height:2.1}
.site-footer .footer-grid a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  min-height:56px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13.5px;color:rgba(255,255,255,.56);font-variant-numeric:tabular-nums;
}

/* 进入视口动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 280ms var(--ease),transform 280ms var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1!important;transform:none!important}
}

/* 响应式 */
@media (max-width:1199px){
  .container{padding:0 32px}
  .host-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:block}
  .header-inner{height:64px}
  .logo-text{font-size:18px}
  .page-hero{aspect-ratio:auto;min-height:0;padding:76px 0 56px}
  .mag-grid{grid-template-columns:repeat(2,1fr)}
  .mag-col.offset{padding-top:0}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding:24px 18px 4px;border-left:none!important}
  .stat-item:nth-child(odd){border-right:1px solid var(--line)}
  .stat-item:nth-child(n+3){border-top:1px solid var(--line)}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:64px 0}
  .cta-media{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;padding-bottom:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:26px}
  .mag-grid{grid-template-columns:1fr}
  .host-grid{grid-template-columns:1fr}
  .tip-grid{grid-template-columns:1fr}
  .schedule-row{grid-template-columns:76px 1fr;gap:14px;padding:18px 18px}
  .schedule-row .tag{grid-column:2;justify-self:start}
  .sched-arrow{display:none}
  .page-hero{padding:64px 0 48px}
  .hero-actions .btn-brand,.hero-actions .btn-outline-light{width:100%}
  .quote-band{padding:56px 0}
  .accordion-button{font-size:16px;padding:14px 48px 14px 18px}
  .footer-grid{grid-template-columns:1fr;gap:0;padding-bottom:16px}
  .footer-grid > div{border-bottom:1px solid rgba(255,255,255,.08);padding:18px 0}
  .footer-grid > div:last-child{border-bottom:none}
  .footer-desc{margin-top:12px}
  .site-footer h4{margin-bottom:10px}
  .site-footer .footer-grid a{line-height:1.95}
  .footer-bottom{justify-content:flex-start;padding:14px 0}
}