/* roulang page: index */
:root{
  --c-primary:#E8552F;
  --c-primary-dark:#C43F1D;
  --c-secondary:#0E3B34;
  --c-accent:#FFC24B;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-deep:#12100E;
  --c-text:#1A1714;
  --c-text-2:#6B6560;
  --c-text-3:#9A938C;
  --c-line:#E6E1D9;
  --c-disabled:#D8D3CB;
  --r-v:20px;
  --r:16px;
  --r-sm:12px;
  --r-lg:24px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(26,23,20,.04),0 8px 24px -12px rgba(26,23,20,.10);
  --shadow-2:0 18px 48px -20px rgba(26,23,20,.22);
  --container:1280px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--c-primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px}
::selection{background:rgba(232,85,47,.18)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3.2vw,40px)}
.section-head p{color:var(--c-text-2);max-width:620px;margin-top:12px;font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.06em;text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);border-radius:2px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--pill);font-weight:700;font-size:15px;border:1px solid transparent;transition:transform .22s ease-out,background-color .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:var(--c-line);background:var(--c-surface);color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-secondary)}
.btn-light:hover{background:var(--c-accent);color:var(--c-deep);transform:translateY(-2px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--c-primary)}
.link-arrow:hover{color:var(--c-primary-dark)}
.link-arrow::after{content:"→";transition:transform .22s ease-out}
.link-arrow:hover::after{transform:translateX(3px)}

/* 标签 */
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);font-size:13px;font-weight:600;line-height:1}
.tag-green{background:rgba(14,59,52,.08);color:var(--c-secondary)}
.tag-yellow{background:rgba(255,194,75,.26);color:#6A4A00}
.tag-line{border:1px solid var(--c-line);color:var(--c-text-2)}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,241,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .25s ease-out,border-color .25s ease-out,background-color .25s ease-out}
.site-header.is-scrolled{background:rgba(255,255,255,.97);border-bottom-color:var(--c-line);box-shadow:var(--shadow-1)}
.nav-top{display:flex;align-items:center;gap:24px;padding-top:16px;padding-bottom:14px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--c-primary);color:#fff;font-weight:900;font-size:18px;letter-spacing:0}
.brand-text{font-weight:900;font-size:17px;letter-spacing:-.02em;white-space:nowrap}
.search{position:relative;flex:1 1 auto;max-width:560px;display:flex;align-items:center;gap:10px;height:48px;padding:0 8px 0 18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--pill);box-shadow:var(--shadow-1);transition:border-color .22s ease-out,transform .22s ease-out}
.search:focus-within{border-color:var(--c-primary);transform:scale(1.01)}
.search svg{flex:0 0 auto;width:18px;height:18px;stroke:var(--c-text-3)}
.search input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;font-size:15px;color:var(--c-text);outline:none}
.search input::placeholder{color:var(--c-text-3)}
.search .search-btn{flex:0 0 auto;height:36px;padding:0 20px;border-radius:var(--pill);background:var(--c-primary);color:#fff;font-size:14px;font-weight:700;transition:background-color .22s ease-out}
.search .search-btn:hover{background:var(--c-primary-dark)}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.cat-bar{border-top:1px solid var(--c-line)}
.cat-track{display:flex;align-items:center;gap:10px;padding:10px 24px;overflow-x:auto;scrollbar-width:none}
.cat-track::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--pill);border:1px solid var(--c-line);background:var(--c-surface);font-size:14px;font-weight:600;color:var(--c-text-2);white-space:nowrap;transition:all .22s ease-out}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.pill.is-active{background:var(--c-secondary);border-color:var(--c-secondary);color:#fff}

/* Hero */
.hero{position:relative;padding:64px 0 96px;background-image:linear-gradient(180deg,rgba(247,245,241,.90) 0%,rgba(247,245,241,.97) 62%,rgba(247,245,241,1) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.hero-inner{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.hero-copy h1{font-size:clamp(40px,6vw,72px);margin:18px 0 0}
.hero-copy h1 em{font-style:normal;color:var(--c-primary)}
.hero-sub{margin-top:22px;font-size:17px;color:var(--c-text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-marks{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-visual{position:relative;height:580px}
.hero-card{position:absolute;width:250px;aspect-ratio:9/16;border-radius:var(--r-v);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface);box-shadow:var(--shadow-2)}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card .hero-card-tag{position:absolute;left:14px;top:14px;height:26px;padding:0 12px;border-radius:var(--pill);background:var(--c-accent);color:#3A2A00;font-size:12px;font-weight:800;display:inline-flex;align-items:center}
.hero-card .hero-card-cap{position:absolute;left:0;right:0;bottom:0;padding:44px 16px 16px;background:linear-gradient(180deg,rgba(14,59,52,0),rgba(14,59,52,.92));color:#fff;font-size:14px;font-weight:700;line-height:1.5}
.hero-card.c1{left:0;top:52px;transform:rotate(-5deg);z-index:1}
.hero-card.c2{left:31%;top:0;z-index:3}
.hero-card.c3{right:0;top:76px;transform:rotate(5deg);z-index:2}

/* 横滑轨 */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{content:"";position:absolute;top:0;bottom:16px;width:56px;z-index:2;pointer-events:none}
.rail-wrap::before{left:-24px;background:linear-gradient(90deg,var(--c-bg),rgba(247,245,241,0))}
.rail-wrap::after{right:-24px;background:linear-gradient(270deg,var(--c-bg),rgba(247,245,241,0))}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 244px;scroll-snap-align:start}
.rail-thumb{position:relative;aspect-ratio:9/16;border-radius:var(--r-v);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface);box-shadow:var(--shadow-1);transition:transform .28s ease-out,border-color .28s ease-out,box-shadow .28s ease-out}
.rail-card:hover .rail-thumb{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--shadow-2)}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.rail-card:hover .rail-thumb img{transform:scale(1.04)}
.rail-time{position:absolute;left:12px;top:12px;height:24px;padding:0 10px;border-radius:var(--pill);background:var(--c-accent);color:#3A2A00;font-size:12px;font-weight:800;display:inline-flex;align-items:center}
.rail-play{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.55);backdrop-filter:blur(4px);display:grid;place-items:center;transition:background-color .25s ease-out}
.rail-play::after{content:"";display:block;margin-left:3px;border-left:14px solid var(--c-secondary);border-top:9px solid transparent;border-bottom:9px solid transparent}
.rail-card:hover .rail-play{background:var(--c-primary)}
.rail-card:hover .rail-play::after{border-left-color:#fff}
.rail-overlay{position:absolute;left:0;right:0;bottom:0;padding:52px 16px 16px;background:linear-gradient(180deg,rgba(14,59,52,0),rgba(14,59,52,.94));color:#fff}
.rail-overlay h3{font-size:16px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-overlay .rail-meta{margin-top:8px;font-size:13px;color:rgba(255,255,255,.78)}

/* 种草清单 */
.seed-list{border-top:1px solid var(--c-line)}
.seed-item{display:grid;grid-template-columns:92px 168px 1fr 32px;gap:24px;align-items:center;padding:20px 12px;border-bottom:1px solid var(--c-line);border-radius:12px;transition:background-color .25s ease-out,transform .25s ease-out}
.seed-item:hover{background:#FBFAF7;transform:translateX(4px)}
.seed-num{font-size:46px;font-weight:900;line-height:1;color:transparent;-webkit-text-stroke:1.6px var(--c-primary);letter-spacing:-.04em}
.seed-thumb{aspect-ratio:16/10;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface)}
.seed-thumb img{width:100%;height:100%;object-fit:cover}
.seed-body h3{font-size:19px}
.seed-body p{margin-top:6px;font-size:14px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.seed-go{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;border:1px solid var(--c-line);color:var(--c-text-3);transition:all .25s ease-out}
.seed-item:hover .seed-go{border-color:var(--c-primary);color:var(--c-primary)}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:start}
.news-feature{display:block;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;background:var(--c-surface);box-shadow:var(--shadow-1);transition:transform .28s ease-out,border-color .28s ease-out,box-shadow .28s ease-out}
.news-feature:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--shadow-2)}
.news-feature-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg)}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.news-feature:hover .news-feature-media img{transform:scale(1.04)}
.news-feature-body{padding:26px}
.news-feature-body h3{font-size:22px;margin-top:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature-body p{margin-top:12px;color:var(--c-text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--c-text-3)}
.news-side{display:flex;flex-direction:column;gap:16px}
.news-item{display:block;padding:20px 22px;border:1px solid var(--c-line);border-radius:var(--r);background:var(--c-surface);transition:transform .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out}
.news-item:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--shadow-1)}
.news-item h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item p{margin-top:8px;font-size:14px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:64px 24px;border:1px dashed var(--c-line);border-radius:var(--r-lg);color:var(--c-text-3);text-align:center;background:var(--c-surface)}
.news-empty .empty-icon{width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-text-3)}

/* 口碑跑马灯 */
.marquee{position:relative;overflow:hidden;padding:8px 0}
.marquee::before,.marquee::after{content:"";position:absolute;top:0;bottom:0;width:72px;z-index:2;pointer-events:none}
.marquee::before{left:0;background:linear-gradient(90deg,var(--c-bg),rgba(247,245,241,0))}
.marquee::after{right:0;background:linear-gradient(270deg,var(--c-bg),rgba(247,245,241,0))}
.marquee-track{display:flex;gap:24px;width:max-content;animation:marquee-x 40s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee-x{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.quote{flex:0 0 auto;width:320px;display:flex;gap:14px;align-items:flex-start;padding:22px;border:1px solid var(--c-line);border-radius:var(--r);background:var(--c-surface)}
.quote-avatar{flex:0 0 auto;width:44px;height:44px;border-radius:50%;background:rgba(14,59,52,.08);color:var(--c-secondary);display:grid;place-items:center;font-weight:800;font-size:16px}
.quote-name{font-weight:800;font-size:14px}
.quote-text{margin-top:6px;font-size:14px;color:var(--c-text-2);line-height:1.7}
.quote-stars{margin-top:8px;font-size:13px;color:var(--c-accent);letter-spacing:2px}

/* CTA */
.cta{position:relative;overflow:hidden;background:var(--c-secondary);color:#fff;border-radius:var(--r-lg);padding:64px 56px}
.cta::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--c-accent)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta h2{font-size:clamp(28px,3.6vw,46px);max-width:620px}
.cta p{margin-top:16px;color:rgba(255,255,255,.74);max-width:560px;font-size:15px}
.cta-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.cta .link-arrow{color:var(--c-accent)}
.cta .link-arrow:hover{color:#fff}

/* FAQ */
.faq{max-width:880px;margin:0 auto;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{display:flex;align-items:center;gap:18px;width:100%;padding:24px 4px;text-align:left}
.faq-num{flex:0 0 auto;font-size:15px;font-weight:900;color:var(--c-primary);width:30px}
.faq-text{flex:1 1 auto;font-size:18px;font-weight:800;letter-spacing:-.01em}
.faq-icon{flex:0 0 auto;position:relative;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-text-2);border-radius:2px;transform:translate(-50%,-50%);transition:transform .24s ease-out,background-color .24s ease-out}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-item.is-open .faq-icon::before{background:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 4px 26px 48px;color:var(--c-text-2);font-size:15px}
.faq-q:hover .faq-text{color:var(--c-primary)}

/* 页脚 */
.site-footer{background:var(--c-secondary);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff}
.footer-brand .brand-mark{background:var(--c-primary)}
.footer-brand-text{font-weight:900;font-size:16px;white-space:nowrap}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:.04em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--c-accent)}
.footer-col li span{font-size:14px;color:rgba(255,255,255,.72)}
.footer-bar{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.56)}

/* 入场动画 */
html.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
html.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html.js .reveal{opacity:1;transform:none;transition:none}
  .marquee-track{animation:none}
  *{scroll-behavior:auto}
}

/* 响应式 */
@media (max-width:1280px){
  .hero-visual{height:520px}
  .hero-card{width:220px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:48px 0 72px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{height:460px;max-width:560px}
  .hero-card{width:190px}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-grid .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .nav-top{flex-wrap:wrap;gap:12px}
  .brand{order:1}
  .nav-toggle{order:2;display:inline-flex;margin-left:auto}
  .nav-tools{order:3;display:none;width:100%;flex-direction:column;align-items:stretch;gap:10px}
  body.nav-open .nav-tools{display:flex}
  .nav-tools .btn{width:100%}
  .search{order:4;max-width:none;width:100%}
  .cat-track{padding:10px 16px}
  .hero-visual{height:380px}
  .hero-card{width:150px}
  .hero-card.c1{top:36px}
  .hero-card.c3{top:52px}
  .seed-item{grid-template-columns:56px 1fr 28px;gap:14px;padding:18px 8px}
  .seed-thumb{display:none}
  .seed-num{font-size:34px;-webkit-text-stroke-width:1.3px}
  .seed-body h3{font-size:17px}
  .rail-card{flex:0 0 208px}
  .marquee{overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
  .marquee::-webkit-scrollbar{display:none}
  .marquee-track{animation:none;width:auto;padding-bottom:8px}
  .quote{scroll-snap-align:start;width:272px}
  .cta{padding:44px 24px;border-radius:var(--r)}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:56px;margin-top:56px}
  .faq-a p{padding-left:4px}
  .faq-text{font-size:16px}
}
@media (max-width:480px){
  .hero-copy h1{font-size:clamp(30px,9vw,40px)}
  .hero-visual{height:320px}
  .hero-card{width:126px}
  .hero-card.c1{top:28px}
  .hero-card.c3{top:42px}
  .hero-actions .btn{width:100%}
  .brand-text{font-size:15px}
  .rail-card{flex:0 0 76%}
  .quote{width:82vw}
}

/* roulang page: article */
:root{
  --c-primary:#E8552F;
  --c-primary-dark:#C43F1D;
  --c-secondary:#0E3B34;
  --c-accent:#FFC24B;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-deep:#12100E;
  --c-text:#1A1714;
  --c-text-2:#6B6560;
  --c-text-3:#9A938C;
  --c-line:#E6E1D9;
  --c-disabled:#D8D3CB;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(26,23,20,.04), 0 8px 24px -12px rgba(26,23,20,.10);
  --shadow-2:0 18px 48px -20px rgba(26,23,20,.22);
  --sp-section:96px;
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(232,85,47,.16)}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-top{
  display:flex;align-items:center;gap:20px;
  min-height:76px;flex-wrap:nowrap;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.02em;white-space:nowrap}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:12px;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:900;
  box-shadow:0 8px 18px -10px rgba(232,85,47,.9);
}
.brand-text{color:var(--c-text)}
.brand:hover .brand-text{color:var(--c-primary)}

.search{
  flex:1 1 auto;max-width:560px;
  display:flex;align-items:center;gap:10px;
  height:48px;padding:5px 5px 5px 16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color .2s ease-out, box-shadow .2s ease-out, transform .2s ease-out;
}
.search svg{width:19px;height:19px;flex:none;stroke:var(--c-text-3);fill:none}
.search input{
  flex:1 1 auto;min-width:0;height:100%;
  border:0;background:transparent;outline:none;font-size:15px;
}
.search input::placeholder{color:var(--c-text-3)}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(232,85,47,.13);transform:scale(1.01)}
.search-btn{
  flex:none;height:36px;padding:0 18px;border:0;cursor:pointer;
  border-radius:var(--r-pill);background:var(--c-primary);color:#fff;
  font-size:14px;font-weight:700;
  transition:background .2s ease-out, transform .2s ease-out;
}
.search-btn:hover{background:var(--c-primary-dark)}
.search-btn:active{transform:translateY(1px)}

.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid transparent;font-size:15px;font-weight:700;
  cursor:pointer;white-space:nowrap;
  transition:background .22s ease-out,border-color .22s ease-out,color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:var(--c-surface);border-color:var(--c-line);color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn:disabled{background:var(--c-disabled);border-color:var(--c-disabled);color:#fff;opacity:.4;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary)}
.link-arrow:hover{text-decoration:underline}

.nav-toggle{
  display:none;width:44px;height:44px;flex:none;
  border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:var(--c-surface);cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--c-text);border-radius:2px;
  transform:translateX(-50%);transition:transform .22s ease-out,opacity .22s ease-out;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";left:0;top:-6px;transform:none}
.nav-toggle span::after{content:"";left:0;top:6px;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

.cat-bar{border-top:1px solid var(--c-line);background:rgba(255,255,255,.96)}
.cat-track{
  max-width:var(--container);margin:0 auto;padding:10px 24px;
  display:flex;gap:10px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.cat-track::-webkit-scrollbar{display:none}
.pill{
  flex:none;padding:8px 16px;border-radius:var(--r-pill);
  background:#F0EDE7;border:1px solid transparent;
  font-size:14px;color:var(--c-text-2);white-space:nowrap;
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.pill:hover{background:var(--c-surface);border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.pill.is-active{background:var(--c-secondary);color:#fff;border-color:var(--c-secondary)}

/* ---------- 文章页主体 ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:28px 0 0;font-size:13px;color:var(--c-text-3);
}
.crumb a{color:var(--c-text-3)}
.crumb a:hover{color:var(--c-primary);text-decoration:underline}
.crumb .sep{color:var(--c-disabled)}
.crumb .current{color:var(--c-text-2)}

.article-head{padding:20px 0 30px;border-bottom:1px solid var(--c-line)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.01em;
}
.tag-cat{background:rgba(14,59,52,.08);color:var(--c-secondary)}
.tag-accent{background:rgba(255,194,75,.22);color:#7A5200}
.article-title{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.18;font-weight:900;letter-spacing:-.02em;
  margin:20px 0 20px;max-width:1000px;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--c-disabled)}

.note-box{
  margin-top:28px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-accent);
  border-radius:var(--r-md);
  padding:20px 24px;
  font-size:14.5px;line-height:1.9;color:var(--c-text-2);
}
.note-box strong{color:var(--c-text)}
.note-box ul{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px}
.note-box li{display:flex;gap:10px;align-items:flex-start}
.note-box li::before{content:"—";color:var(--c-primary);font-weight:900;flex:none}

.article-main{max-width:780px;margin:0 auto}
.article-body{padding:44px 0 8px;font-size:16px;line-height:1.9;color:var(--c-text)}
.article-body p{margin:0 0 22px}
.article-body h2{font-size:clamp(22px,2.5vw,30px);margin:42px 0 16px;font-weight:800}
.article-body h3{font-size:19px;margin:32px 0 12px;font-weight:800}
.article-body h4{font-size:17px;margin:26px 0 10px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 22px}
.article-body li{margin-bottom:10px}
.article-body a{color:var(--c-primary);text-decoration:underline}
.article-body img{border-radius:var(--r-md);margin:26px 0;width:100%;box-shadow:var(--shadow-1)}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;
  border-left:4px solid var(--c-primary);
  background:var(--c-surface);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-text-2);
}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left}
.article-body th{background:#F1EEE8;font-weight:700}
.article-body code{background:#F1EEE8;border-radius:6px;padding:2px 6px;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}

.empty-state{
  margin:36px 0 20px;padding:52px 24px;text-align:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
}
.empty-state svg{width:44px;height:44px;margin:0 auto 16px;stroke:var(--c-disabled);fill:none}
.empty-state p{font-size:16px;color:var(--c-text-2);margin-bottom:20px}

.article-foot{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:28px 0 8px;border-top:1px solid var(--c-line);
}
.tag-list{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tag-list .label{font-size:13px;color:var(--c-text-3)}
.tag-plain{
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);
  transition:border-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.tag-plain:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}

/* ---------- 板块 ---------- */
.section{padding:var(--sp-section) 0 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.04em;
}
.section-head h2{font-size:clamp(26px,3.2vw,40px);margin:12px 0 14px}
.section-head p{color:var(--c-text-2);font-size:16px}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;
  transition:transform .28s ease-out,border-color .28s ease-out,box-shadow .28s ease-out;
}
.card:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--shadow-2)}
.card-thumb{aspect-ratio:16/10;overflow:hidden;background:#F1EEE8}
.card-thumb img{width:100%;height:100%;transition:transform .4s ease-out}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:20px 22px 24px}
.card-body h3{font-size:18px;margin-bottom:10px}
.card-body p{
  font-size:14px;color:var(--c-text-2);line-height:1.8;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-secondary);color:#fff;
  border-radius:var(--r-lg);
  padding:56px;margin-top:var(--sp-section);
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--c-accent)}
.cta-band h2{font-size:clamp(26px,3.2vw,40px);color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.76);max-width:560px;font-size:15.5px}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.cta-link{color:#fff;font-size:14px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px}
.cta-link:hover{color:var(--c-accent);border-color:var(--c-accent)}

/* FAQ */
.faq{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:18px;
  padding:22px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--c-text);
}
.faq-q:hover{color:var(--c-primary)}
.faq-num{font-variant-numeric:tabular-nums;font-weight:900;font-size:15px;color:var(--c-primary);min-width:34px}
.faq-icon{margin-left:auto;font-size:22px;line-height:1;color:var(--c-text-3);transition:transform .24s ease-out,color .24s ease-out}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--c-primary)}
.faq-a{overflow:hidden;max-height:0;transition:max-height .24s ease-out}
.faq-a p{padding:0 0 22px 52px;color:var(--c-text-2);font-size:15.5px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-secondary);color:rgba(255,255,255,.8);margin-top:var(--sp-section);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:900;font-size:19px;letter-spacing:-.02em}
.footer-brand .brand-mark{background:var(--c-primary)}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:340px}
.footer-col h3{font-size:14px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;display:grid;gap:12px;font-size:14px}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline}
.footer-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:56px;padding:22px 0;font-size:13px;
  border-top:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp-section:72px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 34px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  :root{--sp-section:56px}
  .container{padding:0 16px}
  .nav-top{flex-wrap:wrap;min-height:0;padding:14px 0;gap:12px}
  .brand{font-size:17px}
  .search{order:3;flex:1 1 100%;max-width:none}
  .nav-toggle{display:block;margin-left:auto}
  .nav-tools{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:var(--c-surface);border-bottom:1px solid var(--c-line);
    padding:16px;flex-direction:column;align-items:stretch;gap:12px;
    box-shadow:var(--shadow-1);
  }
  .site-header.nav-open .nav-tools{display:flex}
  .nav-tools .btn{width:100%}
  .cat-track{padding:10px 16px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .related-grid{grid-template-columns:1fr}
  .faq-a p{padding-left:0}
  .faq-q{font-size:16px;gap:12px}
}
@media (max-width:520px){
  .article-title{font-size:clamp(30px,8vw,36px)}
  .note-box{padding:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bar{flex-direction:column;align-items:flex-start}
  .cta-band{padding:34px 22px;border-radius:var(--r-md)}
  .btn{width:100%}
  .btn + .btn{margin-top:10px}
  .cta-actions{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-primary:#E8552F;
  --c-primary-dark:#C43F1D;
  --c-secondary:#0E3B34;
  --c-accent:#FFC24B;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-deep:#12100E;
  --c-text:#1A1714;
  --c-text-2:#6B6560;
  --c-text-3:#9A938C;
  --c-line:#E6E1D9;
  --c-disabled:#D8D3CB;
  --radius-xl:24px;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(26,23,20,.04),0 8px 24px -12px rgba(26,23,20,.10);
  --shadow-2:0 18px 48px -20px rgba(26,23,20,.22);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .22s ease-out;}
a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.02em;line-height:1.15;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease-out,border-color .25s ease-out,background .25s ease-out;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--c-line);
  box-shadow:var(--shadow-1);
}
.nav-top{
  display:flex;align-items:center;gap:20px;
  padding-top:16px;padding-bottom:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand:hover{text-decoration:none;color:inherit;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:var(--radius-sm);
  background:var(--c-primary);
  color:#fff;font-weight:900;font-size:18px;letter-spacing:0;
  box-shadow:0 8px 18px -10px rgba(232,85,47,.9);
}
.brand-text{font-size:19px;font-weight:900;letter-spacing:-.02em;white-space:nowrap;}
.search{
  flex:1 1 420px;max-width:560px;
  display:flex;align-items:center;gap:8px;
  height:50px;padding:0 6px 0 16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-1);
  transition:border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.search:focus-within{border-color:var(--c-primary);transform:scale(1.01);box-shadow:var(--shadow-2);}
.search svg{width:19px;height:19px;flex:0 0 19px;stroke:var(--c-text-3);}
.search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;height:48px;font-size:15px;outline:none;
}
.search input::placeholder{color:var(--c-text-3);}
.search-btn{
  flex:0 0 auto;height:38px;padding:0 20px;border:0;cursor:pointer;
  background:var(--c-primary);color:#fff;font-weight:700;font-size:14px;
  border-radius:var(--radius-pill);
  transition:background .2s ease-out,transform .2s ease-out;
}
.search-btn:hover{background:var(--c-primary-dark);}
.search-btn:active{transform:translateY(1px);}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:44px;
  border-radius:var(--radius-pill);
  font-weight:700;font-size:14.5px;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 12px 24px -14px rgba(232,85,47,.9);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;}
.btn-outline{background:transparent;color:var(--c-text);border-color:var(--c-line);}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:var(--c-accent);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;
  position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;background:var(--c-text);
  border-radius:2px;transform:translateX(-50%);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.cat-bar{border-top:1px solid var(--c-line);}
.cat-track{
  display:flex;gap:10px;align-items:center;
  max-width:1280px;margin:0 auto;padding:12px 24px;
  overflow-x:auto;scrollbar-width:none;
}
.cat-track::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border:1px solid var(--c-line);border-radius:var(--radius-pill);
  background:var(--c-surface);color:var(--c-text-2);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out,transform .2s ease-out;
}
.pill:hover{color:var(--c-primary);border-color:var(--c-primary);text-decoration:none;transform:translateY(-2px);}
.pill.is-active{background:var(--c-secondary);border-color:var(--c-secondary);color:#fff;}
.pill.is-active:hover{color:#fff;}

/* ---------- shared section ---------- */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:800px;margin-bottom:40px;}
.section-head h2{font-size:clamp(26px,3.2vw,40px);}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;margin-bottom:16px;
  border-radius:var(--radius-pill);
  background:rgba(14,59,52,.08);color:var(--c-secondary);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);}

/* ---------- hero ---------- */
.hero{padding:72px 0 40px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(247,245,241,.72) 0%,rgba(247,245,241,.94) 55%,var(--c-bg) 100%);
}
.hero .container{position:relative;z-index:2;}
.crumb{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--c-text-3);margin-bottom:26px;flex-wrap:wrap;}
.crumb a{color:var(--c-text-2);}
.crumb span.sep{color:var(--c-text-3);}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(40px,6vw,66px);}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{margin-top:20px;font-size:17px;color:var(--c-text-2);max-width:560px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;}
.hero-facts{display:flex;gap:28px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line);}
.hero-fact{min-width:120px;}
.hero-fact b{display:block;font-size:22px;font-weight:900;color:var(--c-secondary);font-variant-numeric:tabular-nums;}
.hero-fact span{font-size:13px;color:var(--c-text-3);}
.hero-visual{position:relative;min-height:460px;}
.hero-visual::before{
  content:"";position:absolute;right:-6%;top:-8%;width:70%;height:110%;
  background:radial-gradient(closest-side,rgba(255,194,75,.35),transparent 72%);
  filter:blur(6px);
}
.phone-card{
  position:absolute;width:210px;aspect-ratio:9/16;
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-surface);
  box-shadow:var(--shadow-2);
  transition:transform .3s ease-out,box-shadow .3s ease-out;
}
.phone-card:hover{transform:translateY(-6px);}
.phone-card img{width:100%;height:100%;}
.phone-card .pc-tag{
  position:absolute;left:12px;top:12px;height:26px;padding:0 10px;
  display:inline-flex;align-items:center;border-radius:var(--radius-pill);
  background:var(--c-accent);color:#3A2A00;font-size:12px;font-weight:800;
}
.phone-card .pc-cap{
  position:absolute;left:0;right:0;bottom:0;padding:34px 14px 14px;
  background:linear-gradient(180deg,rgba(14,59,52,0) 0%,rgba(14,59,52,.88) 100%);
  color:#fff;font-size:13px;font-weight:700;line-height:1.5;
}
.pc-1{left:0;top:36px;z-index:3;}
.pc-2{left:150px;top:0;z-index:2;transform:rotate(-3deg);}
.pc-3{left:284px;top:64px;z-index:4;transform:rotate(2deg);}

/* ---------- quick strip ---------- */
.strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);
}
.strip-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-md);
  padding:22px;transition:transform .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out;
}
.strip-item:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--shadow-1);}
.strip-item b{display:block;font-size:16px;font-weight:800;margin-bottom:8px;}
.strip-item p{font-size:14px;color:var(--c-text-2);line-height:1.7;}
.strip-num{
  font-size:13px;font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;margin-bottom:12px;display:block;
}

/* ---------- vertical card grid (category1) ---------- */
.vgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.vcard{
  position:relative;display:block;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .28s ease-out,border-color .28s ease-out,box-shadow .28s ease-out;
}
.vcard:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--shadow-2);text-decoration:none;}
.vcard-media{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--c-bg);}
.vcard-media img{width:100%;height:100%;transition:transform .4s ease-out;}
.vcard:hover .vcard-media img{transform:scale(1.04);}
.vcard-step{
  position:absolute;left:14px;top:14px;
  height:28px;padding:0 12px;display:inline-flex;align-items:center;
  border-radius:var(--radius-pill);background:var(--c-accent);color:#3A2A00;
  font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
}
.vcard-body{padding:18px 20px 22px;}
.vcard-body h3{font-size:19px;}
.vcard-body p{margin-top:10px;font-size:14px;color:var(--c-text-2);line-height:1.7;}
.vcard-meta{margin-top:16px;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-text-3);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12.5px;font-weight:700;
  background:rgba(14,59,52,.08);color:var(--c-secondary);
}
.tag-accent{background:rgba(255,194,75,.28);color:#6B4A00;}
.textlink{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-weight:700;font-size:14.5px;
}
.textlink:hover{color:var(--c-primary-dark);text-decoration:underline;}

/* ---------- scenarios ---------- */
.scene-list{display:flex;flex-direction:column;gap:24px;}
.scene{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-xl);
  padding:28px;transition:border-color .25s ease-out,box-shadow .25s ease-out;
}
.scene:hover{border-color:var(--c-primary);box-shadow:var(--shadow-1);}
.scene:nth-child(even) .scene-media{order:-1;}
.scene-media{border-radius:var(--radius-md);overflow:hidden;aspect-ratio:16/10;background:var(--c-bg);}
.scene-media img{width:100%;height:100%;}
.scene-body h3{font-size:22px;}
.scene-body p{margin-top:12px;color:var(--c-text-2);font-size:15.5px;}
.scene-list-items{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.scene-list-items li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--c-text-2);
}
.scene-list-items li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:2px;border-radius:2px;background:var(--c-primary);
}

/* ---------- flow ---------- */
.flow{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-xl);
  padding:12px 28px;
}
.flow li{
  display:flex;gap:22px;align-items:flex-start;
  padding:26px 0;border-bottom:1px solid var(--c-line);
}
.flow li:last-child{border-bottom:0;}
.flow-idx{
  flex:0 0 52px;font-size:30px;font-weight:900;color:transparent;
  -webkit-text-stroke:1.4px var(--c-primary);line-height:1;font-variant-numeric:tabular-nums;
  padding-top:4px;
}
.flow-body h3{font-size:19px;}
.flow-body p{margin-top:8px;color:var(--c-text-2);font-size:15px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:18px;
  padding:24px 0;
  font-size:18px;font-weight:800;letter-spacing:-.01em;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-idx{color:var(--c-primary);font-variant-numeric:tabular-nums;font-size:15px;font-weight:800;flex:0 0 28px;}
.faq-q{flex:1 1 auto;}
.faq-sign{
  flex:0 0 26px;position:relative;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-text);
  transform:translate(-50%,-50%);border-radius:2px;transition:opacity .24s ease-out;
}
.faq-sign::before{width:12px;height:1.6px;}
.faq-sign::after{width:1.6px;height:12px;}
.faq-item[open] .faq-sign::after{opacity:0;}
.faq-item[open] .faq-sign{border-color:var(--c-primary);background:rgba(232,85,47,.08);}
.faq-a{padding:0 0 26px 46px;color:var(--c-text-2);font-size:15.5px;}
.faq-a p{animation:faqIn .24s ease-out;}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- cta ---------- */
.cta-band{
  background:var(--c-secondary);color:#fff;border-radius:var(--radius-xl);
  padding:52px 48px;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--c-accent);
}
.cta-band h2{font-size:clamp(26px,3.2vw,40px);color:#fff;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.76);font-size:15.5px;max-width:520px;}
.cta-actions{display:flex;flex-direction:column;gap:16px;align-items:flex-start;}
.cta-actions .textlink{color:var(--c-accent);}
.cta-actions .textlink:hover{color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.72);margin-top:96px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand-text{color:#fff;font-weight:900;font-size:17px;letter-spacing:-.02em;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.64);max-width:340px;}
.site-footer h3{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.site-footer ul li{margin-bottom:10px;font-size:14px;}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover{color:var(--c-primary);text-decoration:none;}
.footer-bar{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .pc-3{left:264px;}
}
@media (max-width:1024px){
  .nav-tools{margin-left:0;order:3;width:100%;justify-content:flex-start;}
  .search{flex:1 1 320px;max-width:none;order:2;}
  .nav-toggle{display:block;order:1;margin-left:auto;}
  .brand{order:0;}
  .nav-tools{display:none;}
  .nav-tools.is-open{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:56px;}
  .hero-visual{min-height:400px;max-width:520px;}
  .vgrid{grid-template-columns:repeat(3,1fr);}
  .strip{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero{padding:44px 0 24px;}
  .nav-top{gap:12px;padding-top:12px;padding-bottom:12px;}
  .search{flex:1 1 100%;order:3;max-width:100%;}
  .brand-text{font-size:17px;}
  .cat-track{padding:10px 16px;}
  .vgrid{grid-template-columns:repeat(2,1fr);}
  .scene{grid-template-columns:1fr;padding:22px;}
  .scene:nth-child(even) .scene-media{order:0;}
  .phone-card{width:172px;}
  .pc-2{left:118px;}
  .pc-3{left:228px;}
  .hero-visual{min-height:340px;}
  .container{padding:0 16px;}
  .flow{padding:6px 20px;}
  .faq-item summary{font-size:16.5px;gap:12px;}
  .faq-a{padding-left:0;}
}
@media (max-width:520px){
  .strip{grid-template-columns:1fr;}
  .vgrid{grid-template-columns:1fr;}
  .hero h1{font-size:clamp(30px,9vw,40px);}
  .hero-visual{min-height:300px;}
  .phone-card{width:148px;}
  .pc-2{left:98px;}
  .pc-3{left:186px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 22px;}
  .footer-bar{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --c-primary:#E8552F;
  --c-primary-dark:#C43F1D;
  --c-secondary:#0E3B34;
  --c-accent:#FFC24B;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-deep:#12100E;
  --c-text:#1A1714;
  --c-text-2:#6B6560;
  --c-text-3:#9A938C;
  --c-line:#E6E1D9;
  --c-disabled:#D8D3CB;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(26,23,20,.04),0 8px 24px -12px rgba(26,23,20,.10);
  --shadow-2:0 18px 48px -20px rgba(26,23,20,.22);
  --sp-section:96px;
  --nav-h:132px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .28s ease,background .28s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:var(--shadow-1)}
.nav-top{display:flex;align-items:center;gap:24px;padding-top:16px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-dark));
  color:#fff;font-weight:900;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);
}
.brand-text{font-size:19px;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.search{
  flex:1 1 auto;max-width:560px;margin:0 auto;
  display:flex;align-items:center;gap:10px;
  height:48px;padding:0 6px 0 18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.search:focus-within{border-color:var(--c-primary);transform:scale(1.01);box-shadow:var(--shadow-1)}
.search svg{width:20px;height:20px;flex-shrink:0;stroke:var(--c-text-3)}
.search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;
  font-size:15px;outline:none;
}
.search input::placeholder{color:var(--c-text-3)}
.search-btn{
  height:38px;padding:0 20px;border:0;border-radius:var(--r-pill);
  background:var(--c-text);color:#fff;font-size:14px;font-weight:700;
  cursor:pointer;transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--c-primary)}
.search-btn:active{transform:translateY(1px)}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:700;cursor:pointer;
  border:1px solid transparent;background:none;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-2px)}
.btn-outline{border-color:var(--c-line);background:#fff;color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn[disabled]{background:var(--c-disabled);color:#fff;opacity:.4;cursor:not-allowed;pointer-events:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;cursor:pointer;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-text);content:"";
  transition:transform .24s ease,opacity .24s ease;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateX(-50%) rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:translateX(-50%) rotate(-45deg);top:0}

.cat-bar{border-top:1px solid var(--c-line);padding:10px 0}
.cat-track{
  display:flex;gap:10px;align-items:center;
  overflow-x:auto;scrollbar-width:none;
  padding:0 24px;max-width:1280px;margin:0 auto;
}
.cat-track::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:36px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;
  font-size:14px;font-weight:600;color:var(--c-text-2);
  transition:all .22s ease;
}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.pill.is-active{background:var(--c-secondary);border-color:var(--c-secondary);color:#fff}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(247,245,241,.97) 0%,rgba(247,245,241,.86) 46%,rgba(247,245,241,.42) 100%),
                   url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.page-hero .container{position:relative;padding-top:64px;padding-bottom:64px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2);margin-bottom:22px;flex-wrap:wrap}
.crumbs a:hover{color:var(--c-primary);text-decoration:underline}
.crumbs span.sep{color:var(--c-text-3)}
.hero-grid{display:grid;grid-template-columns:6.2fr 5.8fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(14,59,52,.08);color:var(--c-secondary);
  font-size:13px;font-weight:700;margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:block}
.page-hero h1{
  font-size:clamp(34px,4.4vw,54px);
  margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;color:var(--c-primary)}
.hero-lead{font-size:17px;color:var(--c-text-2);max-width:620px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-facts{display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid var(--c-line);padding-top:24px}
.fact b{display:block;font-size:26px;font-weight:900;color:var(--c-secondary);line-height:1.2}
.fact span{font-size:13px;color:var(--c-text-3)}
.hero-media{position:relative;display:flex;justify-content:flex-end;gap:18px}
.hero-media .shot{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--shadow-2);background:#fff;
}
.hero-media .shot img{width:100%;height:100%;object-fit:cover;aspect-ratio:9/16}
.hero-media .shot.s1{width:214px;transform:translateY(-14px)}
.hero-media .shot.s2{width:176px;transform:translateY(28px)}
.badge-float{
  position:absolute;left:8px;bottom:26px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#3A2A05;font-size:13px;font-weight:800;
  box-shadow:var(--shadow-1);
}

/* ---------- section shell ---------- */
.section{padding:var(--sp-section) 0}
.section.alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3.2vw,40px);margin-bottom:14px}
.section-head p{color:var(--c-text-2);font-size:16px}
.kicker{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:12px;
}

/* ---------- index + long list layout ---------- */
.split{display:grid;grid-template-columns:296px minmax(0,1fr);gap:48px;align-items:start}
.side-index{position:sticky;top:calc(var(--nav-h) + 18px)}
.side-index h2{font-size:15px;letter-spacing:.02em;color:var(--c-text-3);font-weight:800;margin-bottom:16px}
.index-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:14px;box-shadow:var(--shadow-1);
}
.index-list li a{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;color:var(--c-text-2);
  transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.index-list li a:hover{background:#FBFAF7;color:var(--c-primary);padding-left:16px}
.index-list li a.is-current{background:rgba(232,85,47,.08);color:var(--c-primary)}
.index-list li a i{
  width:22px;height:22px;flex-shrink:0;border-radius:7px;background:var(--c-bg);
  border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;color:var(--c-text-3);font-style:normal;
}
.index-list li a.is-current i{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.index-note{
  margin-top:16px;padding:16px;border-radius:var(--r-md);
  background:var(--c-secondary);color:#DCE7E3;font-size:13.5px;line-height:1.7;
}
.index-note b{color:#fff;display:block;margin-bottom:6px;font-size:14px}

.long-list{display:flex;flex-direction:column}
.long-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;margin-bottom:22px;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
  scroll-margin-top:calc(var(--nav-h) + 24px);
}
.long-item:hover{border-color:var(--c-primary);box-shadow:var(--shadow-1);transform:translateY(-2px)}
.long-item-top{display:flex;align-items:flex-start;gap:18px;margin-bottom:16px}
.long-num{
  font-size:34px;font-weight:900;line-height:1;color:transparent;
  -webkit-text-stroke:1.2px var(--c-primary);flex-shrink:0;padding-top:4px;
}
.long-item h3{font-size:21px;margin-bottom:8px}
.long-item p{color:var(--c-text-2);font-size:15.5px}
.tagrow{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:700;
  background:rgba(14,59,52,.07);color:var(--c-secondary);
}
.tag.warn{background:rgba(255,194,75,.24);color:#6A4A00}
.tagline{height:1px;background:var(--c-line);margin:18px 0}
.check{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px}
.check li{display:flex;gap:10px;font-size:14.5px;color:var(--c-text-2)}
.check li::before{
  content:"";width:7px;height:7px;border-radius:2px;margin-top:11px;
  flex-shrink:0;background:var(--c-primary);
}
.long-meta{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-top:20px;padding-top:18px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);flex-wrap:wrap;
}
.link-arrow{color:var(--c-primary);font-weight:800;font-size:14px}
.link-arrow:hover{text-decoration:underline}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.flow-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:26px 22px;
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.flow-card:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.flow-card .step{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;background:var(--c-secondary);color:#fff;
  font-size:14px;font-weight:800;margin-bottom:16px;
}
.flow-card h3{font-size:17px;margin-bottom:10px}
.flow-card p{font-size:14.5px;color:var(--c-text-2)}
.flow-line{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.flow-line i{height:4px;flex:1;border-radius:2px;background:var(--c-line);display:block}
.flow-line i.on{background:var(--c-accent)}

/* ---------- scenarios ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.scene-card:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.scene-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg)}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease-out}
.scene-card:hover .thumb img{transform:scale(1.04)}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body h3{font-size:18px}
.scene-body p{font-size:14.5px;color:var(--c-text-2)}
.scene-body .link-arrow{margin-top:auto;padding-top:8px}

/* ---------- stat band ---------- */
.stat-band{
  background:var(--c-secondary);color:#E7F0EC;border-radius:var(--r-lg);
  padding:44px 40px;position:relative;overflow:hidden;
}
.stat-band::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--c-accent)}
.stat-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.stat-band p{color:#BFD2CC;max-width:720px;font-size:15.5px}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:32px}
.stat-item{border-top:1px solid rgba(255,255,255,.16);padding-top:18px}
.stat-item b{display:block;font-size:30px;color:var(--c-accent);font-weight:900;line-height:1.25}
.stat-item span{font-size:13.5px;color:#BFD2CC}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:18px;
  padding:24px 4px;background:none;border:0;cursor:pointer;text-align:left;
}
.faq-q .fnum{font-size:15px;font-weight:900;color:var(--c-primary);flex-shrink:0;width:34px}
.faq-q span.qtext{flex:1;font-size:17.5px;font-weight:800;line-height:1.5}
.faq-q .sign{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--c-line);position:relative;transition:background .2s ease,border-color .2s ease;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--c-text);
  transform:translate(-50%,-50%);transition:transform .24s ease,background .24s ease;
}
.faq-q .sign::before{width:11px;height:1.6px}
.faq-q .sign::after{width:1.6px;height:11px}
.faq-q[aria-expanded="true"] .sign{background:var(--c-primary);border-color:var(--c-primary)}
.faq-q[aria-expanded="true"] .sign::before,
.faq-q[aria-expanded="true"] .sign::after{background:#fff}
.faq-q[aria-expanded="true"] .sign::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 52px 24px 52px;color:var(--c-text-2);font-size:15.5px}

/* ---------- cta ---------- */
.cta-band{
  background:var(--c-secondary);color:#fff;border-radius:var(--r-lg);
  padding:56px 48px;position:relative;overflow:hidden;
}
.cta-band::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--c-accent)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(26px,3.4vw,42px);color:#fff;margin-bottom:14px;max-width:640px}
.cta-band p{color:#BFD2CC;max-width:620px;font-size:15.5px}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.cta-actions .link-arrow{color:var(--c-accent)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-secondary);color:#C9D8D3;margin-top:var(--sp-section);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-text{font-size:18px;font-weight:900;color:#fff}
.footer-desc{font-size:14px;color:#A9BDB7;max-width:360px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:#A9BDB7;transition:color .2s ease}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA8A1;
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sp-section:72px;--nav-h:150px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{justify-content:flex-start}
  .split{grid-template-columns:1fr;gap:28px}
  .side-index{position:static}
  .index-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:768px){
  :root{--sp-section:56px;--nav-h:178px}
  .container{padding:0 16px}
  .nav-top{flex-wrap:wrap;gap:12px;padding-top:14px;padding-bottom:12px}
  .brand{order:1}
  .nav-toggle{order:2;display:block;margin-left:auto}
  .search{order:3;flex:1 0 100%;max-width:none;margin:0}
  .nav-tools{
    order:4;flex:1 0 100%;display:none;gap:10px;
  }
  .nav-tools.is-open{display:flex}
  .nav-tools .btn{flex:1}
  .cat-track{padding:0 16px}
  .page-hero .container{padding-top:40px;padding-bottom:40px}
  .hero-media .shot.s1{width:170px}
  .hero-media .shot.s2{width:140px}
  .check{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .stat-band{padding:32px 24px}
  .cta-band{padding:36px 24px}
  .faq-a p{padding:0 8px 22px 8px}
  .faq-q .fnum{width:26px}
  .long-item{padding:22px 18px}
}
@media (max-width:520px){
  .index-list{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-facts{gap:24px}
  .fact b{font-size:22px}
  .hero-media{flex-direction:column;align-items:flex-start}
  .hero-media .shot.s1,.hero-media .shot.s2{width:100%;max-width:240px;transform:none}
}

/* roulang page: category3 */
:root{
  --c-primary:#E8552F;
  --c-primary-dark:#C43F1D;
  --c-secondary:#0E3B34;
  --c-accent:#FFC24B;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-deep:#12100E;
  --c-text:#1A1714;
  --c-text-2:#6B6560;
  --c-text-3:#9A938C;
  --c-line:#E6E1D9;
  --c-disabled:#D8D3CB;
  --r-sm:12px;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(26,23,20,.04), 0 8px 24px -12px rgba(26,23,20,.10);
  --shadow-2:0 18px 48px -20px rgba(26,23,20,.22);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-card);object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15;color:var(--c-text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{max-width:1280px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease-out,background .25s ease-out;
}
.site-header.is-scrolled{background:#fff;box-shadow:var(--shadow-1);}
.nav-top{
  display:flex;align-items:center;gap:var(--sp-3);
  padding-top:16px;padding-bottom:16px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--c-secondary);color:var(--c-accent);
  display:grid;place-items:center;
  font-weight:900;font-size:18px;letter-spacing:0;
}
.brand-text{font-weight:900;font-size:19px;letter-spacing:-.02em;white-space:nowrap;}
.search{
  flex:1 1 auto;max-width:560px;min-width:220px;
  display:flex;align-items:center;gap:10px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:6px 6px 6px 18px;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.search:focus-within{border-color:var(--c-primary);transform:scale(1.01);box-shadow:var(--shadow-2);}
.search svg{width:19px;height:19px;flex:0 0 auto;stroke:var(--c-text-3);}
.search input{
  flex:1 1 auto;border:0;background:transparent;height:40px;
  color:var(--c-text);outline:none;min-width:0;
}
.search input::placeholder{color:var(--c-text-3);}
.search-btn{
  flex:0 0 auto;
  background:var(--c-primary);color:#fff;
  border-radius:var(--r-pill);
  padding:9px 20px;font-weight:700;font-size:14px;
  transition:background .2s ease-out,transform .12s ease-out;
}
.search-btn:hover{background:var(--c-primary-dark);}
.search-btn:active{transform:translateY(1px);}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;font-size:14px;
  padding:11px 22px;line-height:1.2;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .12s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:transparent;color:var(--c-text);border:1px solid var(--c-line);}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none;transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4);}
.btn-ghost:hover{background:#fff;color:var(--c-secondary);text-decoration:none;}
.btn-link{color:var(--c-primary);font-weight:700;font-size:15px;padding:0;}
.btn-link:hover{color:var(--c-primary-dark);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);
  position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--c-text);
  transform:translateX(-50%);border-radius:2px;transition:transform .2s ease-out;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.cat-bar{border-top:1px solid var(--c-line);background:transparent;}
.cat-track{
  max-width:1280px;margin:0 auto;padding:10px 24px;
  display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;
}
.cat-track::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;border-radius:var(--r-pill);
  padding:8px 18px;font-size:14px;font-weight:600;
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-text-2);
  transition:all .2s ease-out;
}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none;}
.pill.is-active{background:var(--c-secondary);border-color:var(--c-secondary);color:#fff;}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-7) 0;}
.section-sm{padding:var(--sp-5) 0;}
.sec-head{max-width:820px;margin-bottom:var(--sp-4);}
.sec-head h2{font-size:clamp(26px,3.2vw,40px);}
.sec-head p{margin-top:14px;color:var(--c-text-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;
  background:rgba(232,85,47,.08);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-pill);padding:5px 13px;
  font-size:12px;font-weight:700;line-height:1.5;
}
.badge-green{background:rgba(14,59,52,.08);color:var(--c-secondary);}
.badge-yellow{background:rgba(255,194,75,.22);color:#8A5B00;}
.badge-outline{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);}

/* ============ 页首 Banner ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-secondary);
  color:#fff;
  padding:var(--sp-6) 0 var(--sp-5);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.28;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,59,52,.96) 0%,rgba(14,59,52,.82) 48%,rgba(14,59,52,.4) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb span.sep{opacity:.5;}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);
  gap:var(--sp-5);align-items:end;
}
.page-hero h1{
  color:#fff;font-size:clamp(34px,4.6vw,58px);line-height:1.12;
}
.page-hero h1 em{font-style:normal;color:var(--c-accent);}
.page-hero .lead{
  margin-top:20px;max-width:640px;
  color:rgba(255,255,255,.82);font-size:17px;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags .badge{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.24);}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
}
.stat-card{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-card);
  padding:20px 22px;
  backdrop-filter:blur(4px);
}
.stat-card .stat-num{
  font-size:30px;font-weight:900;color:var(--c-accent);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-card .stat-label{margin-top:8px;font-size:13px;color:rgba(255,255,255,.78);line-height:1.6;}

/* ============ 阶段进度 ============ */
.stage-wrap{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:var(--sp-4) var(--sp-4) var(--sp-3);
  box-shadow:var(--shadow-1);
}
.stage-top{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:flex-end;}
.stage-top h2{font-size:clamp(22px,2.4vw,30px);}
.stage-top p{color:var(--c-text-2);font-size:14px;max-width:520px;margin-top:8px;}
.stage-track{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));
  gap:12px;margin-top:var(--sp-3);
}
.stage-item{
  border-top:3px solid var(--c-line);
  padding-top:14px;position:relative;
}
.stage-item.is-done{border-top-color:var(--c-secondary);}
.stage-item.is-current{border-top-color:var(--c-primary);}
.stage-item .stage-idx{
  font-size:13px;font-weight:800;color:var(--c-text-3);font-variant-numeric:tabular-nums;
}
.stage-item.is-current .stage-idx{color:var(--c-primary);}
.stage-item h3{font-size:15px;margin-top:6px;}
.stage-item p{font-size:13px;color:var(--c-text-2);margin-top:6px;line-height:1.7;}
.stage-hint{
  margin-top:var(--sp-3);padding-top:18px;border-top:1px dashed var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--c-text-2);
}

/* ============ 两列交错瀑布 ============ */
.waterfall{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--sp-4);
}
.wf-col{display:flex;flex-direction:column;gap:var(--sp-4);}
.wf-col--offset{padding-top:72px;}
.wf-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .3s ease-out,border-color .3s ease-out,box-shadow .3s ease-out;
}
.wf-card:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--shadow-2);}
.wf-media{position:relative;overflow:hidden;}
.wf-media img{width:100%;border-radius:0;transition:transform .35s ease-out;}
.wf-card:hover .wf-media img{transform:scale(1.04);}
.wf-media .badge{position:absolute;top:14px;left:14px;}
.wf-media .badge.time{left:auto;right:14px;background:var(--c-accent);color:#4A3100;}
.wf-body{padding:22px 24px 24px;}
.wf-body h3{font-size:20px;}
.wf-body p{margin-top:12px;color:var(--c-text-2);font-size:15px;}
.wf-meta{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);
}
.wf-meta .num{font-weight:800;color:var(--c-text);}
.wf-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-weight:700;font-size:14px;color:var(--c-primary);}
.wf-link::after{content:"→";transition:transform .2s ease-out;}
.wf-card:hover .wf-link::after{transform:translateX(4px);}

/* ============ 排位榜 ============ */
.rank-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--sp-5);align-items:start;}
.rank-panel{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:var(--sp-4);box-shadow:var(--shadow-1);
}
.rank-row{
  display:grid;grid-template-columns:44px minmax(0,1fr) 96px;
  gap:16px;align-items:center;
  padding:16px 8px;border-bottom:1px solid var(--c-line);
  transition:background .2s ease-out,transform .2s ease-out;
}
.rank-row:last-child{border-bottom:0;}
.rank-row:hover{background:#FBFAF7;transform:translateX(4px);}
.rank-idx{
  font-size:22px;font-weight:900;color:var(--c-text-3);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.rank-row.top .rank-idx{color:var(--c-primary);}
.rank-name{font-weight:700;font-size:15px;}
.rank-sub{font-size:13px;color:var(--c-text-3);margin-top:4px;}
.rank-bar{height:6px;border-radius:999px;background:var(--c-line);margin-top:10px;overflow:hidden;}
.rank-bar i{display:block;height:100%;border-radius:999px;background:var(--c-secondary);}
.rank-row.top .rank-bar i{background:var(--c-primary);}
.rank-score{text-align:right;font-weight:900;font-size:18px;font-variant-numeric:tabular-nums;}
.rank-score small{display:block;font-size:12px;font-weight:600;color:var(--c-text-3);margin-top:2px;}

/* ============ 侧栏要点 ============ */
.note-list{display:flex;flex-direction:column;gap:16px;margin-top:var(--sp-3);}
.note-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px 22px;
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.note-item:hover{border-color:var(--c-primary);transform:translateY(-2px);}
.note-item .note-idx{
  flex:0 0 auto;width:32px;height:32px;border-radius:10px;
  background:rgba(14,59,52,.08);color:var(--c-secondary);
  display:grid;place-items:center;font-weight:900;font-size:14px;
}
.note-item h3{font-size:16px;}
.note-item p{font-size:14px;color:var(--c-text-2);margin-top:6px;}

/* ============ 场馆条带 ============ */
.band{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:var(--sp-4);align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:border-color .25s ease-out,box-shadow .25s ease-out;
}
.band:hover{border-color:var(--c-primary);box-shadow:var(--shadow-2);}
.band img{height:100%;min-height:240px;border-radius:0;}
.band-body{padding:var(--sp-4) var(--sp-4) var(--sp-4) 0;}
.band-body h3{font-size:22px;}
.band-body p{margin-top:12px;color:var(--c-text-2);}
.band-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.band-stack{display:flex;flex-direction:column;gap:var(--sp-3);}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;gap:18px;
  padding:26px 4px;
  transition:color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-idx{font-size:20px;font-weight:900;color:var(--c-primary);font-variant-numeric:tabular-nums;flex:0 0 auto;}
.faq-q{flex:1 1 auto;font-size:18px;font-weight:800;letter-spacing:-.01em;}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);position:relative;margin-top:2px;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-text);
  transform:translate(-50%,-50%);transition:transform .24s ease-out,background .2s ease-out;
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item[open] .faq-icon{border-color:var(--c-primary);background:rgba(232,85,47,.08);}
.faq-item[open] .faq-icon::before{background:var(--c-primary);}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);background:var(--c-primary);}
.faq-a{padding:0 4px 28px 52px;color:var(--c-text-2);font-size:15px;line-height:1.85;}

/* ============ CTA ============ */
.cta{
  background:var(--c-secondary);color:#fff;
  border-radius:var(--r-lg);
  padding:var(--sp-6) var(--sp-5) var(--sp-5);
  position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  opacity:.16;
}
.cta::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--c-accent);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.8fr);gap:var(--sp-4);align-items:center;}
.cta h2{color:#fff;font-size:clamp(28px,3.4vw,42px);}
.cta p{margin-top:16px;color:rgba(255,255,255,.8);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-side{display:flex;flex-direction:column;gap:14px;}
.cta-side a{color:rgba(255,255,255,.86);font-weight:600;font-size:15px;border-bottom:1px solid rgba(255,255,255,.24);padding-bottom:10px;}
.cta-side a:hover{color:var(--c-accent);text-decoration:none;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-secondary);color:rgba(255,255,255,.78);margin-top:var(--sp-7);padding:var(--sp-6) 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:var(--sp-4);}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand-text{font-weight:900;font-size:17px;color:#fff;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;max-width:320px;color:rgba(255,255,255,.7);}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.01em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.footer-col a{color:rgba(255,255,255,.78);}
.footer-col a:hover{color:var(--c-accent);text-decoration:none;}
.footer-bar{
  margin-top:var(--sp-5);border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .stage-track{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1024px){
  .nav-tools{display:none;}
  .nav-toggle{display:block;}
  .nav-tools.is-open{
    display:flex;position:absolute;top:100%;right:24px;
    flex-direction:column;align-items:stretch;
    background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--r-card);padding:14px;gap:10px;
    box-shadow:var(--shadow-2);min-width:220px;
  }
  .nav-top{position:relative;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rank-layout{grid-template-columns:1fr;}
  .band{grid-template-columns:1fr;}
  .band img{min-height:220px;}
  .band-body{padding:0 var(--sp-4) var(--sp-4);}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:var(--sp-6) 0;}
}
@media (max-width:768px){
  .nav-top{flex-wrap:wrap;gap:12px;}
  .search{order:3;flex:1 1 100%;max-width:none;min-width:0;}
  .brand-text{font-size:17px;}
  .waterfall{grid-template-columns:1fr;gap:var(--sp-3);}
  .wf-col--offset{padding-top:0;}
  .stage-track{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-a{padding-left:0;padding-top:0;}
  .section{padding:var(--sp-5) 0;}
  .page-hero{padding:var(--sp-5) 0;}
  .site-footer{margin-top:var(--sp-5);}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .cat-track{padding:10px 16px;}
  .page-hero h1{font-size:clamp(30px,7.4vw,38px);}
  .hero-stats{grid-template-columns:1fr;}
  .rank-row{grid-template-columns:34px minmax(0,1fr);row-gap:8px;}
  .rank-score{grid-column:2;text-align:left;}
  .stage-track{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bar{flex-direction:column;}
  .cta{padding:var(--sp-5) var(--sp-3) var(--sp-4);}
  .faq-q{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --c-primary:#E8552F;
  --c-primary-dark:#C43F1D;
  --c-secondary:#0E3B34;
  --c-secondary-soft:#155046;
  --c-accent:#FFC24B;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-deep:#12100E;
  --c-text:#1A1714;
  --c-text-2:#6B6560;
  --c-text-3:#9A938C;
  --c-line:#E6E1D9;
  --c-disabled:#D8D3CB;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(26,23,20,.04),0 8px 24px -12px rgba(26,23,20,.10);
  --shadow-2:0 18px 48px -20px rgba(26,23,20,.22);
  --sp-section:96px;
  --font: "Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
a:hover{color:var(--c-primary)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.02em;line-height:1.15;color:var(--c-text)}
p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--c-accent);color:var(--c-deep)}

.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3.2vw,40px)}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-secondary);
  background:rgba(14,59,52,.07);
  border:1px solid rgba(14,59,52,.12);
  border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .24s ease-out,background-color .24s ease-out,border-color .24s ease-out,color .24s ease-out,box-shadow .24s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--c-text);border:1px solid var(--c-line)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost{color:var(--c-primary);font-weight:700;padding:0}
.btn-ghost:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:4px}
.btn-light{background:#fff;color:var(--c-secondary)}
.btn-light:hover{color:var(--c-primary-dark);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{background:var(--c-disabled);color:#fff;opacity:.4;pointer-events:none}
.link-arrow{font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.link-arrow::after{content:"→";transition:transform .24s ease-out}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover::after{transform:translateX(4px)}

.tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;line-height:1;
  padding:7px 12px;border-radius:var(--r-pill);
  background:rgba(14,59,52,.08);color:var(--c-secondary);
}
.tag-accent{background:rgba(255,194,75,.24);color:#7A5406}
.tag-line{background:#fff;border:1px solid var(--c-line);color:var(--c-text-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background-color .3s ease-out,box-shadow .3s ease-out,border-color .3s ease-out;
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--c-line);box-shadow:var(--shadow-1)}
.nav-top{
  display:flex;align-items:center;gap:20px;
  padding-top:14px;padding-bottom:14px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--c-secondary);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:18px;letter-spacing:0;
}
.brand-text{font-size:17px;font-weight:900;letter-spacing:-.01em;white-space:nowrap}
.search{
  flex:1;max-width:560px;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  height:48px;padding:0 6px 0 18px;
  transition:border-color .24s ease-out,transform .24s ease-out,box-shadow .24s ease-out;
}
.search:focus-within{border-color:var(--c-primary);transform:scale(1.01);box-shadow:var(--shadow-1)}
.search svg{width:18px;height:18px;flex:0 0 18px;stroke:var(--c-text-3)}
.search input{
  flex:1;min-width:0;border:0;outline:none;background:transparent;
  font-size:15px;color:var(--c-text);height:100%;
}
.search input::placeholder{color:var(--c-text-3)}
.search-btn{
  height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:700;
  transition:background-color .24s ease-out;
}
.search-btn:hover{background:var(--c-primary-dark)}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text);position:relative;
  transition:transform .24s ease-out,opacity .24s ease-out;
}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

.cat-bar{border-top:1px solid var(--c-line);background:transparent}
.cat-track{
  max-width:1280px;margin:0 auto;padding:10px 24px;
  display:flex;align-items:center;gap:10px;overflow-x:auto;
  scrollbar-width:none;
}
.cat-track::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;font-size:14px;font-weight:600;color:var(--c-text-2);
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid transparent;background:rgba(255,255,255,.7);
  transition:color .24s ease-out,background-color .24s ease-out,border-color .24s ease-out,transform .24s ease-out;
}
.pill:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px)}
.pill.is-active{background:var(--c-secondary);color:#fff;border-color:var(--c-secondary)}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:72px 0 64px;
  background-image:linear-gradient(180deg,rgba(247,245,241,.86) 0%,rgba(247,245,241,.96) 62%,var(--c-bg) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center right;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:56px;align-items:center;
}
.hero h1{font-size:clamp(40px,6vw,64px)}
.hero h1 span{color:var(--c-primary)}
.hero-sub{margin-top:20px;font-size:17px;color:var(--c-text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--shadow-2);background:var(--c-surface);
}
.hero-visual .frame img{width:100%;height:400px}
.hero-visual .float-card{
  position:absolute;left:-18px;bottom:-22px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--shadow-2);min-width:200px;
}
.hero-visual .float-card strong{display:block;font-size:15px;font-weight:900}
.hero-visual .float-card span{font-size:13px;color:var(--c-text-2)}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-3);margin-bottom:22px;
}
.crumbs a{color:var(--c-text-2)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs span{color:var(--c-text-3)}

/* ============ 数据条 ============ */
.stat-strip{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:12px 0;box-shadow:var(--shadow-1);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:16px 26px;border-right:1px solid var(--c-line)}
.stat-item:last-child{border-right:0}
.stat-item strong{
  display:block;font-size:clamp(20px,2.4vw,28px);font-weight:900;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-item span{font-size:13px;color:var(--c-text-2)}

/* ============ 大图条带状列表 ============ */
.band-list{display:flex;flex-direction:column;gap:24px}
.band-item{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:32px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:22px;
  transition:transform .28s ease-out,box-shadow .28s ease-out,border-color .28s ease-out;
}
.band-item:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--shadow-2)}
.band-media{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  background:var(--c-bg);aspect-ratio:16/11;
}
.band-media img{width:100%;height:100%;transition:transform .32s ease-out}
.band-item:hover .band-media img{transform:scale(1.04)}
.band-index{
  position:absolute;left:14px;top:14px;
  font-size:12px;font-weight:800;letter-spacing:.06em;
  background:var(--c-accent);color:#5C3E00;
  padding:6px 12px;border-radius:var(--r-pill);
}
.band-body h3{font-size:clamp(19px,2vw,22px)}
.band-body p{margin-top:12px;color:var(--c-text-2);font-size:15px}
.band-body .tag-row{margin-top:16px}
.band-foot{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.band-note{font-size:13px;color:var(--c-text-3)}

/* ============ 组织方式三卡 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:28px;transition:transform .28s ease-out,box-shadow .28s ease-out,border-color .28s ease-out;
}
.info-card:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--shadow-2)}
.info-card .num{
  font-size:34px;font-weight:900;color:transparent;
  -webkit-text-stroke:1.4px var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1;
}
.info-card h3{margin-top:16px;font-size:19px}
.info-card p{margin-top:10px;font-size:15px;color:var(--c-text-2)}

/* ============ 流程 ============ */
.steps{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:40px 36px;box-shadow:var(--shadow-1);
}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px}
.step{position:relative;padding-top:26px;border-top:2px solid var(--c-line)}
.step::before{
  content:"";position:absolute;top:-7px;left:0;
  width:12px;height:12px;border-radius:50%;
  background:var(--c-primary);border:3px solid #fff;box-shadow:0 0 0 1px var(--c-line);
}
.step em{
  display:block;font-style:normal;font-size:13px;font-weight:800;
  color:var(--c-primary);letter-spacing:.08em;font-variant-numeric:tabular-nums;
}
.step h3{margin-top:10px;font-size:18px}
.step p{margin-top:8px;font-size:14px;color:var(--c-text-2)}

/* ============ 口碑条 ============ */
.quotes{
  overflow:hidden;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  background:var(--c-surface);padding:36px 0;position:relative;
}
.quotes::before,.quotes::after{
  content:"";position:absolute;top:0;bottom:0;width:80px;z-index:2;pointer-events:none;
}
.quotes::before{left:0;background:linear-gradient(90deg,var(--c-surface),transparent)}
.quotes::after{right:0;background:linear-gradient(270deg,var(--c-surface),transparent)}
.quote-track{display:flex;gap:24px;width:max-content;animation:marquee 42s linear infinite}
.quotes:hover .quote-track{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.quote{
  width:320px;flex:0 0 320px;
  border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px;background:#fff;
}
.quote-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:rgba(14,59,52,.1);color:var(--c-secondary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.quote-top b{font-size:15px;display:block}
.stars{font-size:12px;color:#C9962A;letter-spacing:2px}
.quote p{margin-top:12px;font-size:14px;color:var(--c-text-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:first-child{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;gap:18px;text-align:left;
  padding:26px 0;font-size:17px;font-weight:800;color:var(--c-text);
  transition:color .24s ease-out;
}
.faq-q:hover{color:var(--c-primary)}
.faq-q .idx{
  font-size:14px;font-weight:900;color:var(--c-primary);
  font-variant-numeric:tabular-nums;flex:0 0 30px;padding-top:3px;
}
.faq-q .sign{
  margin-left:auto;flex:0 0 24px;width:24px;height:24px;position:relative;top:4px;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-text);transition:transform .24s ease-out,background-color .24s ease-out;
}
.faq-q .sign::before{width:14px;height:2px}
.faq-q .sign::after{width:2px;height:14px}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-item.is-open .faq-q .sign::before{background:var(--c-primary)}
.faq-item.is-open .faq-q .sign::after{transform:translate(-50%,-50%) rotate(90deg);background:var(--c-primary)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease-out;
}
.faq-a p{padding:0 54px 26px 48px;font-size:15px;color:var(--c-text-2)}

/* ============ 转化深色区 ============ */
.cta-band{
  background:var(--c-secondary);border-radius:var(--r-xl);
  padding:56px 52px;position:relative;overflow:hidden;color:#EAF1EE;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--c-accent);
}
.cta-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(26px,3.2vw,38px)}
.cta-band p{margin-top:16px;color:#BFD3CC;font-size:16px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:30px}
.cta-side{display:flex;flex-direction:column;gap:14px}
.cta-side .cta-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 20px;border:1px solid rgba(255,255,255,.18);border-radius:var(--r-md);
  font-size:15px;font-weight:600;color:#EAF1EE;
  transition:border-color .24s ease-out,background-color .24s ease-out,transform .24s ease-out;
}
.cta-side .cta-link:hover{border-color:var(--c-accent);background:rgba(255,255,255,.06);color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-secondary);color:#CBDCD6;margin-top:0;padding:72px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:var(--c-accent)}
.footer-brand-text{color:#fff;font-size:17px;font-weight:900}
.footer-desc{font-size:14px;color:#A9C1B9;max-width:340px}
.footer-col h3{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:14px;color:#A9C1B9}
.footer-col a:hover{color:var(--c-accent)}
.footer-bar{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 0 28px;font-size:13px;color:#8FAAA2;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sp-section:72px}
  .nav-tools .btn-outline{display:none}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual .frame img{height:320px}
  .hero-visual .float-card{left:auto;right:16px;bottom:-18px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--c-line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  :root{--sp-section:56px}
  .container{padding:0 16px}
  .nav-top{flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px}
  .brand{order:1}
  .nav-toggle{display:flex;order:2;margin-left:auto}
  .search{order:3;flex:1 0 100%;max-width:none}
  .nav-tools{
    order:4;flex:1 0 100%;display:none;flex-direction:column;align-items:stretch;
    gap:10px;padding-top:4px;
  }
  .nav-tools.is-open{display:flex}
  .nav-tools .btn{width:100%}
  .cat-track{padding:10px 16px}
  .hero{padding:48px 0 56px}
  .hero-visual .frame img{height:260px}
  .hero-visual .float-card{position:static;margin-top:16px;left:auto;right:auto}
  .stat-item{padding:14px 18px}
  .band-item{grid-template-columns:1fr;gap:20px;padding:18px}
  .band-media{aspect-ratio:16/10}
  .card-grid{grid-template-columns:1fr}
  .steps{padding:28px 22px}
  .steps-grid{grid-template-columns:1fr}
  .quote{width:266px;flex:0 0 266px}
  .quote-track{animation:none;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;width:auto}
  .quote{scroll-snap-align:start}
  .quotes::before,.quotes::after{display:none}
  .faq-a p{padding:0 8px 24px 48px}
  .cta-band{padding:36px 24px;border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bar{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero h1{font-size:clamp(30px,8vw,38px)}
  .hero-sub{font-size:16px}
  .btn{width:100%}
  .btn-ghost,.link-arrow{width:auto}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--c-line)}
  .stat-item:last-child{border-bottom:0}
  .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
  .band-foot{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}