/* roulang page: index */
:root{
  --c-ink:#14161B;--c-ink-2:#4A4F5A;--c-ink-3:#8A8F9A;
  --c-bg:#FFF7F1;--c-surface:#FFFFFF;
  --c-brand:#FF5A26;--c-brand-d:#E8430F;--c-accent:#C8FF4D;--c-deep:#12141A;
  --c-line:rgba(20,22,27,.08);--c-line-d:rgba(255,255,255,.10);
  --grad-brand:linear-gradient(135deg,#FF5A26 0%,#FF7A2F 42%,#FFB03A 100%);
  --grad-line:linear-gradient(90deg,#FF5A26,#C8FF4D);
  --grad-veil:linear-gradient(180deg,rgba(18,20,26,0) 38%,rgba(18,20,26,.86) 100%);
  --r-xs:10px;--r-s:14px;--r-m:20px;--r-l:24px;--r-xl:28px;--r-pill:999px;
  --sh-1:0 2px 10px rgba(20,22,27,.06);
  --sh-2:0 14px 34px -10px rgba(255,90,38,.30);
  --sh-3:0 26px 64px -18px rgba(20,22,27,.24);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-primary:#FF5A26;--bs-body-font-family:var(--font);--bs-border-radius:14px;
  --bs-body-color:#14161B;--bs-body-bg:#FFF7F1;--bs-link-color:#14161B;--bs-link-hover-color:#FF5A26;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--c-bg);color:var(--c-ink);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1320px}}

/* ---------- 导航 ---------- */
.site-nav{position:fixed;top:0;left:0;width:100%;z-index:1030;height:72px;display:flex;align-items:center;
  background:rgba(255,255,255,.10);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.18);box-shadow:0 1px 0 rgba(255,255,255,.06) inset;transition:background .24s ease,box-shadow .24s ease,border-color .24s ease}
.site-nav .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.01em;color:#fff;white-space:nowrap}
.logo-mark{width:28px;height:28px;border-radius:9px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;flex:0 0 28px}
.logo-mark i{display:block;width:12px;height:2px;background:#fff;border-radius:2px;position:relative}
.logo-mark i::before{content:"";position:absolute;left:0;top:-4px;width:8px;height:2px;background:#fff;border-radius:2px;opacity:.85}
.logo-mark i::after{content:"";position:absolute;left:0;top:4px;width:9px;height:2px;background:#fff;border-radius:2px;opacity:.65}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{position:relative;font-size:14px;font-weight:500;color:rgba(255,255,255,.86);padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--grad-line);transition:width .2s ease}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--c-accent)}
.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;transition:background .2s ease,transform .2s ease}
.icon-btn:hover{background:rgba(255,255,255,.24)}
.icon-btn svg{width:17px;height:17px}
.hamburger{display:none}
.site-nav.is-stuck{background:rgba(255,255,255,.94);border-bottom:1px solid var(--c-line);box-shadow:0 10px 30px -16px rgba(20,22,27,.22)}
.site-nav.is-stuck .nav-logo{color:var(--c-ink)}
.site-nav.is-stuck .nav-links a{color:var(--c-ink-2)}
.site-nav.is-stuck .nav-links a:hover{color:var(--c-ink)}
.site-nav.is-stuck .nav-links a.active{color:var(--c-brand)}
.site-nav.is-stuck .icon-btn{border-color:var(--c-line);background:#fff;color:var(--c-ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:700;transition:all .2s cubic-bezier(.22,.61,.36,1)}
.btn-brand{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 22px;border-radius:var(--r-pill);background:var(--grad-brand);background-size:100% 100%;color:#fff;font-size:14px;font-weight:700;border:0;cursor:pointer;transition:all .2s cubic-bezier(.22,.61,.36,1)}
.btn-brand:hover{background-size:140% 100%;transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff}
.btn-brand:active{transform:translateY(0);box-shadow:0 4px 12px -6px rgba(255,90,38,.5)}
.btn-brand:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.btn-brand.lg{height:48px;padding:0 28px;font-size:15px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;border-radius:var(--r-pill);background:transparent;border:1.5px solid rgba(255,255,255,.32);color:#fff;font-size:15px;font-weight:600;transition:all .2s ease}
.btn-ghost:hover{border-color:rgba(255,90,38,.5);background:rgba(255,90,38,.12);color:#fff}
.btn-on-dark{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;border-radius:var(--r-pill);background:#fff;color:var(--c-ink);font-size:15px;font-weight:700;transition:all .2s ease}
.btn-on-dark:hover{background:var(--c-accent);color:var(--c-ink)}
.nav-cta{height:38px;padding:0 20px;font-size:14px}

/* ---------- 抽屉 ---------- */
.drawer{background:var(--c-deep);color:#fff;width:min(86vw,344px);border-left:1px solid var(--c-line-d)}
.drawer .offcanvas-header{border-bottom:1px solid var(--c-line-d);padding:18px 22px}
.drawer .offcanvas-title{font-size:16px;font-weight:700;color:#fff}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.drawer .offcanvas-body{padding:24px 22px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.drawer-links a{display:block;font-size:20px;font-weight:600;color:#fff;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.drawer-links a:hover,.drawer-links a.active{color:var(--c-accent)}
.drawer .btn-brand{width:100%;height:48px;font-size:15px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--c-deep);padding-top:132px;padding-bottom:88px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 70% at 78% 22%,rgba(255,90,38,.34),transparent 62%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;opacity:.03;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,#fff 0 1px,transparent 1px 14px)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.10);border:1px solid var(--c-line-d);color:#fff;font-size:13px;font-weight:600}
.eyebrow b{color:var(--c-accent)}
.hero h1{color:#fff;font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.14;letter-spacing:-.02em;margin:20px 0 16px}
.hero-sub{color:rgba(255,255,255,.72);font-size:17px;line-height:1.8;max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:40px;padding-top:28px;border-top:1px solid var(--c-line-d)}
.stat-num{font-size:clamp(28px,3.6vw,40px);font-weight:800;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:16px;font-weight:700;color:var(--c-accent);margin-left:2px}
.stat-label{font-size:12px;color:rgba(255,255,255,.56);margin-top:6px;line-height:1.5}
.hero-media{display:flex;justify-content:center;align-items:flex-start;gap:20px}
.reel-stack{position:relative;display:flex;gap:20px}
.vcard{position:relative;border-radius:var(--r-xl);overflow:hidden;background:#1b1d24;border:1px solid var(--c-line-d);
  box-shadow:0 26px 64px -18px rgba(0,0,0,.6)}
.vcard img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;opacity:.9}
.vcard-main{aspect-ratio:9/16;width:min(300px,72vw);max-height:620px}
.vcard-back{display:none}
.vcard-veil{position:absolute;inset:0;background:var(--grad-veil)}
.vcard-dur{position:absolute;right:14px;top:14px;z-index:3}
.vcard-caption{position:absolute;left:16px;right:16px;bottom:74px;z-index:3;color:#fff;font-size:16px;font-weight:600;line-height:1.4;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vcard-meta{position:absolute;left:16px;bottom:18px;z-index:3;display:flex;gap:8px;align-items:center}
.vcard-meta.right{left:auto;right:16px}
.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:50%;
  background:rgba(255,255,255,.24);border:1px solid rgba(255,255,255,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:3;transition:transform .24s ease,background .24s ease}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);background:rgba(255,255,255,.34)}
.play-tri{width:0;height:0;border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);font-size:13px;font-weight:700;white-space:nowrap}
.chip-lime{background:var(--c-accent);color:var(--c-ink)}
.chip-glass{background:rgba(255,255,255,.14);color:#fff;border:1px solid var(--c-line-d)}
.chip-soft{background:rgba(255,90,38,.10);color:var(--c-brand);border:1px solid rgba(255,90,38,.18)}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;position:relative}
.section-dark{background:var(--c-deep);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.sec-title{font-size:clamp(22px,3.2vw,32px);font-weight:700;line-height:1.25;position:relative;padding-bottom:14px}
.sec-title::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:1px;background:var(--grad-line)}
.sec-title .bar{display:block}
.sec-sub{font-size:14px;color:var(--c-ink-2);margin-top:12px}
.section-dark .sec-sub{color:rgba(255,255,255,.62)}
.text-link{font-size:14px;font-weight:600;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px}
.text-link::after{content:"→";transition:transform .2s ease}
.text-link:hover::after{transform:translateX(4px)}
.section-dark .text-link{color:var(--c-accent)}
.pill-tabs{display:flex;flex-wrap:wrap;gap:8px}
.pill-tab{display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  font-size:13px;font-weight:600;color:var(--c-ink-2);white-space:nowrap}
.pill-tab:hover{border-color:rgba(255,90,38,.5);color:var(--c-brand)}
.pill-tab.is-on{background:var(--grad-brand);color:#fff;border-color:transparent}
.sec-tools{display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ---------- 爆款片段卡流 ---------- */
.reel-wrap{position:relative}
.reel-row{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:none}
.reel-row::-webkit-scrollbar{display:none}
.reel-card{position:relative;flex:0 0 auto;width:220px;aspect-ratio:9/16;border-radius:var(--r-l);overflow:hidden;scroll-snap-align:start;
  background:#22242b;transition:transform .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s cubic-bezier(.22,.61,.36,1)}
.reel-card img{position:absolute;inset:0;width:100%;height:100%;transition:transform .24s cubic-bezier(.22,.61,.36,1)}
.reel-card:hover{transform:translateY(-6px);box-shadow:var(--sh-3)}
.reel-card:hover img{transform:scale(1.04)}
.reel-veil{position:absolute;inset:0;background:var(--grad-veil)}
.reel-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .24s ease;z-index:3}
.reel-card:hover .reel-play{opacity:1}
.reel-play .play-tri{border-left-color:var(--c-ink);border-left-width:13px;border-top-width:8px;border-bottom-width:8px}
.reel-title{position:absolute;left:14px;right:14px;bottom:14px;z-index:3;color:#fff;font-size:16px;font-weight:600;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.reel-top{position:absolute;right:12px;top:12px;z-index:3}
.reel-bottom{position:absolute;left:12px;bottom:66px;z-index:3}
.reel-arrows{display:none;gap:10px}
.reel-arrow{width:44px;height:44px;border-radius:50%;background:#fff;box-shadow:var(--sh-1);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--c-ink);transition:all .2s ease}
.reel-arrow:hover{color:var(--c-brand);border-color:rgba(255,90,38,.45)}

/* ---------- 种草清单 ---------- */
.pick-grid{display:grid;grid-template-columns:1fr;gap:40px}
.pick-list{border-top:1px solid var(--c-line)}
.pick-row{display:flex;gap:24px;align-items:flex-start;padding:28px 0;border-bottom:1px solid var(--c-line);position:relative;transition:background .2s ease,padding .2s ease}
.pick-row::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:2px;background:var(--grad-line);opacity:0;transition:opacity .2s ease}
.pick-row:hover{background:rgba(255,90,38,.04);padding-left:16px}
.pick-row:hover::before{opacity:1}
.pick-num{flex:0 0 auto;font-size:80px;font-weight:800;line-height:.9;color:transparent;-webkit-text-stroke:1.5px rgba(255,90,38,.35);transition:all .2s ease;font-variant-numeric:tabular-nums}
.pick-row:hover .pick-num{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-stroke:0}
.pick-body h3{font-size:20px;font-weight:700;line-height:1.35}
.pick-body p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin-top:10px}
.pick-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pick-side{display:none}
.pick-side img{border-radius:var(--r-l);width:100%;aspect-ratio:1/1;object-fit:cover}

/* ---------- 评论 ---------- */
.review-marquee{overflow:hidden;position:relative}
.review-marquee::before,.review-marquee::after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none}
.review-marquee::before{left:0;background:linear-gradient(90deg,var(--c-deep),transparent)}
.review-marquee::after{right:0;background:linear-gradient(270deg,var(--c-deep),transparent)}
.review-track{display:flex;gap:20px;width:max-content;animation:marqueeMove 40s linear infinite}
.review-marquee:hover .review-track{animation-play-state:paused}
@keyframes marqueeMove{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.review-card{width:340px;flex:0 0 auto;background:rgba(255,255,255,.06);border:1px solid var(--c-line-d);border-radius:var(--r-m);padding:22px}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--grad-brand);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 40px}
.review-name{color:#fff;font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px}
.verify{display:inline-flex;align-items:center;height:18px;padding:0 8px;border-radius:var(--r-pill);border:1px solid rgba(200,255,77,.5);color:var(--c-accent);font-size:10px;font-weight:700}
.stars{color:var(--c-accent);font-size:13px;letter-spacing:2px;margin-top:10px}
.review-text{color:rgba(255,255,255,.78);font-size:15px;line-height:1.8;margin-top:10px}
.review-time{color:rgba(255,255,255,.42);font-size:12px;margin-top:12px}
.review-more{display:none;margin-top:20px}
.mobile-reviews{display:none}

/* ---------- CMS 列表 ---------- */
.cms-grid{display:grid;grid-template-columns:1fr;gap:24px}
.cms-big{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;transition:box-shadow .24s ease,transform .24s ease}
.cms-big:hover{box-shadow:var(--sh-3);transform:translateY(-4px)}
.cms-big .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDE6E0}
.cms-big .thumb img{width:100%;height:100%;transition:transform .3s ease}
.cms-big:hover .thumb img{transform:scale(1.04)}
.cms-big .thumb .chip{position:absolute;left:16px;top:16px;z-index:2}
.cms-big .body{padding:24px}
.cms-big h3{font-size:20px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:56px}
.cms-big:hover h3{color:var(--c-brand)}
.cms-big .sum{color:var(--c-ink-2);font-size:15px;line-height:1.75;margin-top:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:79px}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3)}
.card-foot .go{font-weight:700;color:var(--c-brand)}
.cms-side{display:grid;gap:16px;align-content:start}
.cms-mini{display:flex;gap:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);padding:14px;transition:box-shadow .2s ease,transform .2s ease}
.cms-mini:hover{box-shadow:var(--sh-1);transform:translateY(-3px)}
.cms-mini .thumb{flex:0 0 132px;width:132px;height:88px;border-radius:var(--r-s);overflow:hidden;background:#EDE6E0}
.cms-mini .thumb img{width:100%;height:100%}
.cms-mini h3{font-size:15px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.cms-mini:hover h3{color:var(--c-brand)}
.cms-mini .meta{font-size:12px;color:var(--c-ink-3);margin-top:8px;display:flex;gap:10px;flex-wrap:wrap}
.load-more{display:flex;justify-content:center;margin-top:36px}
.empty-state{border:1px dashed rgba(20,22,27,.14);border-radius:var(--r-m);padding:56px 24px;text-align:center;background:var(--c-surface)}
.empty-state .ico{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;border:2px solid rgba(255,90,38,.2);display:flex;align-items:center;justify-content:center;color:rgba(255,90,38,.55);font-size:24px}
.empty-state h3{font-size:16px;font-weight:600}
.empty-state p{font-size:14px;color:var(--c-ink-2);margin-top:8px}
.empty-state .btn-ghost{margin-top:18px;border-color:var(--c-line);color:var(--c-ink)}
.empty-state .btn-ghost:hover{color:var(--c-brand);border-color:rgba(255,90,38,.5);background:rgba(255,90,38,.06)}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);margin-bottom:12px;overflow:hidden}
.faq-acc .accordion-button{background:transparent;color:var(--c-ink);font-size:16px;font-weight:600;line-height:1.5;padding:20px 24px;box-shadow:none;
  display:flex;align-items:center;gap:12px;border-radius:var(--r-m);transition:background .2s ease,color .2s ease}
.faq-acc .accordion-button:hover{background:rgba(255,90,38,.04)}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-brand);background:rgba(255,90,38,.04);box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 4px rgba(255,90,38,.12);border-color:transparent;outline:none}
.faq-acc .accordion-button::after{content:"+";background-image:none;font-size:22px;font-weight:400;color:var(--c-brand);width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;transition:transform .24s ease;margin-left:auto;line-height:1}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);background-image:none}
.faq-acc .accordion-body{padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-left:4px solid transparent;border-image:var(--grad-line) 1;border-top:0;border-right:0;border-bottom:0}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;background:var(--c-deep);border-radius:var(--r-l);padding:52px 40px;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 80% at 82% 20%,rgba(255,90,38,.36),transparent 62%)}
.cta-band .inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3}
.cta-band p{color:rgba(255,255,255,.68);font-size:15px;margin-top:10px;max-width:640px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);padding:72px 0 32px;color:#fff;position:relative;margin-top:0}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-line)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
.footer-brand .nav-logo{color:#fff}
.footer-slogan{color:rgba(255,255,255,.62);font-size:14px;margin-top:14px;max-width:320px;line-height:1.8}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid var(--c-line-d);display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:700}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);border-color:transparent}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.66);padding:6px 0;transition:all .2s ease}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.sub-form{display:flex;background:rgba(255,255,255,.08);border:1px solid var(--c-line-d);border-radius:var(--r-pill);padding:4px;margin-top:6px}
.sub-form input{flex:1;background:transparent;border:0;outline:none;color:#fff;font-size:14px;padding:0 16px;height:40px;min-width:0}
.sub-form input::placeholder{color:rgba(255,255,255,.5)}
.sub-form .btn-brand{height:40px;padding:0 20px}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--c-line-d);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.42)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- 浮层 ---------- */
.sticky-card{position:fixed;right:24px;bottom:24px;width:320px;background:#fff;border-radius:var(--r-l);box-shadow:var(--sh-3);
  padding:18px;z-index:1020;display:none;opacity:0;transform:translateY(16px);transition:opacity .3s ease,transform .3s ease}
.sticky-card.is-show{opacity:1;transform:translateY(0)}
.sticky-card.is-hide{opacity:0;transform:translateY(16px);pointer-events:none}
.sticky-head{display:flex;gap:12px;align-items:flex-start}
.sticky-head img{width:64px;height:64px;border-radius:var(--r-s);flex:0 0 64px}
.sticky-head h3{font-size:15px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sticky-chips{display:flex;gap:8px;margin:12px 0 14px}
.sticky-card .btn-brand{width:100%;height:44px}
.sticky-link{display:block;text-align:center;font-size:13px;color:var(--c-ink-2);margin-top:10px}

.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:1025;display:none;align-items:center;justify-content:space-between;gap:12px;
  background:#fff;border-top:1px solid var(--c-line);box-shadow:var(--sh-3);padding:10px 16px calc(10px + env(safe-area-inset-bottom))}
.mobile-bar .in{font-size:13px;color:var(--c-ink-2);line-height:1.4}
.mobile-bar .in b{display:block;color:var(--c-ink);font-size:14px;font-variant-numeric:tabular-nums}
.mobile-bar .btn-brand{height:42px;padding:0 20px}

/* ---------- 响应式 ---------- */
@media (min-width:576px){
  .pick-num{font-size:56px}
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .cms-side{grid-template-columns:repeat(1,1fr)}
}
@media (min-width:992px){
  .container{padding-left:32px;padding-right:32px}
  .section{padding:80px 0}
  .hero-grid{grid-template-columns:5fr 7fr;align-items:center;gap:48px}
  .cms-grid{grid-template-columns:7fr 5fr;gap:24px}
  .pick-grid{grid-template-columns:7fr 5fr;gap:48px}
  .pick-side{display:block}
  .reel-card{width:220px}
  .reel-arrows{display:flex}
  .reel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
  .review-more{display:none}
}
@media (min-width:1200px){
  .cms-grid{grid-template-columns:7fr 5fr}
  .sticky-card{display:block}
  .vcard-back{display:block;width:180px;aspect-ratio:9/16;opacity:.55;align-self:flex-start;margin-top:40px}
  .vcard-back.two{opacity:.3;margin-top:80px}
}
@media (max-width:1199px){
  .vcard-back{display:none}
}
@media (max-width:991px){
  .nav-links,.nav-cta{display:none}
  .hamburger{display:flex}
  .site-nav{height:60px}
  .hero{padding-top:96px;padding-bottom:56px}
  .section{padding:56px 0}
  .cta-band{padding:36px 22px}
  .sticky-card{display:none}
  .mobile-bar{display:flex}
  .reel-card{width:168px}
  .footer-grid{grid-template-columns:1fr}
  .review-marquee{overflow:visible}
  .review-marquee::before,.review-marquee::after{display:none}
  .review-track{animation:none;width:auto;flex-direction:column;gap:14px}
  .review-card{width:100%}
  .review-card:nth-child(n+3){display:none}
  .mobile-reviews{display:block;margin-top:20px}
  .cms-mini .thumb{flex:0 0 108px;width:108px;height:80px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
}
@media (max-width:575px){
  .pick-num{font-size:48px}
  .hero-btns .btn-ghost,.hero-btns .btn-on-dark{width:100%}
  .cms-mini{flex-direction:column}
  .cms-mini .thumb{width:100%;flex:none;height:150px}
  .sec-head{flex-direction:column;align-items:flex-start}
  .pick-row{gap:14px}
}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.fade-up{opacity:0;animation:fadeUp .36s ease-out forwards}
.d1{animation-delay:.06s}.d2{animation-delay:.12s}.d3{animation-delay:.18s}.d4{animation-delay:.24s}
h2{scroll-margin-top:96px}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .fade-up{opacity:1}
}

/* roulang page: article */
:root{
  --c-ink:#14161B;
  --c-ink-2:#4A4F5A;
  --c-ink-3:#8A8F9A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-brand:#FF5A26;
  --c-brand-d:#E8430F;
  --c-accent:#C8FF4D;
  --c-deep:#12141A;
  --c-line:rgba(20,22,27,.08);
  --c-line-d:rgba(255,255,255,.10);
  --grad-brand:linear-gradient(135deg,#FF5A26 0%,#FF7A2F 42%,#FFB03A 100%);
  --grad-line:linear-gradient(90deg,#FF5A26,#C8FF4D);
  --grad-veil:linear-gradient(180deg,rgba(18,20,26,0) 38%,rgba(18,20,26,.86) 100%);
  --r-xs:10px; --r-s:14px; --r-m:20px; --r-l:24px; --r-xl:28px; --r-pill:999px;
  --sh-1:0 2px 10px rgba(20,22,27,.06);
  --sh-2:0 14px 34px -10px rgba(255,90,38,.30);
  --sh-3:0 26px 64px -18px rgba(20,22,27,.24);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --bs-primary:#FF5A26;
  --bs-primary-rgb:255,90,38;
  --bs-body-font-family:var(--font-cn);
  --bs-body-color:#14161B;
  --bs-body-bg:#FFF7F1;
  --bs-border-radius:14px;
  --bs-border-color:rgba(20,22,27,.08);
  --bs-link-color:#14161B;
  --bs-link-hover-color:#E8430F;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink)}
p{margin:0 0 1.2em}
ul{margin:0 0 1.2em;padding-left:1.2em}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:992px){.container-x{padding:0 32px}}
@media(min-width:1400px){.container-x{max-width:1320px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:1030;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.nav-inner{
  height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  max-width:1200px;margin:0 auto;padding:0 20px;
}
@media(min-width:992px){.nav-inner{height:72px;padding:0 32px}}
@media(min-width:1400px){.nav-inner{max-width:1320px}}
.nav-logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.01em;color:#fff;white-space:nowrap}
.logo-mark{
  width:28px;height:28px;border-radius:9px;background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 28px;
}
.logo-mark i{display:block;width:13px;height:2px;background:#fff;border-radius:2px;position:relative}
.logo-mark i::before,.logo-mark i::after{content:"";position:absolute;left:0;width:9px;height:2px;background:rgba(255,255,255,.85);border-radius:2px}
.logo-mark i::before{top:-4px}
.logo-mark i::after{top:4px;width:11px}
.nav-links{display:none;align-items:center;gap:26px}
@media(min-width:992px){.nav-links{display:flex}}
.nav-links a{
  position:relative;font-size:14px;font-weight:500;color:rgba(255,255,255,.88);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--grad-line);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-accent)}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.12);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:all .2s ease;cursor:pointer;font-size:14px;
}
.icon-btn:hover{background:rgba(255,255,255,.22)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);background-size:100% 100%;color:#fff;font-size:15px;font-weight:700;
  cursor:pointer;transition:all .22s cubic-bezier(.22,.61,.36,1);white-space:nowrap;
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background-size:140% 140%;color:#fff}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 16px -8px rgba(255,90,38,.6)}
.btn-brand.sm{height:38px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border:1.5px solid var(--c-line);border-radius:var(--r-pill);background:transparent;color:var(--c-ink);
  font-size:15px;font-weight:600;transition:all .2s ease;cursor:pointer;
}
.btn-ghost:hover{border-color:rgba(255,90,38,.5);background:rgba(255,90,38,.06);color:var(--c-brand)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost.on-dark:hover{border-color:var(--c-accent);background:rgba(255,255,255,.08);color:var(--c-accent)}
.hamburger{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.12);color:#fff;display:inline-flex;align-items:center;justify-content:center;
}
@media(min-width:992px){.hamburger{display:none}}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 10px 30px -16px rgba(20,22,27,.22);
}
.site-header.is-stuck .nav-logo{color:var(--c-ink)}
.site-header.is-stuck .nav-links a{color:var(--c-ink-2)}
.site-header.is-stuck .nav-links a:hover{color:var(--c-brand)}
.site-header.is-stuck .nav-links a.active{color:var(--c-brand)}
.site-header.is-stuck .icon-btn,.site-header.is-stuck .hamburger{
  border-color:var(--c-line);background:#fff;color:var(--c-ink);
}
.site-header.is-stuck .hamburger{border-color:var(--c-line)}
.search-bar{
  display:none;border-top:1px solid var(--c-line);
  background:rgba(255,255,255,.96);padding:14px 0;
}
.search-bar.open{display:block}
.search-bar form{max-width:720px;margin:0 auto;display:flex;gap:10px;padding:0 20px}
.search-bar input{
  flex:1;height:46px;border-radius:var(--r-pill);border:1px solid rgba(20,22,27,.12);
  background:#fff;padding:0 20px;font-size:15px;color:var(--c-ink);
}
.search-bar input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(255,90,38,.12)}
.search-bar .btn-brand{height:46px;padding:0 22px}

/* offcanvas */
.offcanvas-deep{background:var(--c-deep);color:#fff;border-left:1px solid var(--c-line-d);width:320px}
.offcanvas-deep .offcanvas-header{border-bottom:1px solid var(--c-line-d);padding:18px 22px}
.offcanvas-deep .offcanvas-title{font-size:17px;font-weight:700;color:#fff}
.offcanvas-deep .offcanvas-body{padding:24px 22px;display:flex;flex-direction:column;gap:20px}
.offcanvas-deep .offcanvas-body a{font-size:20px;font-weight:600;color:#fff}
.offcanvas-deep .offcanvas-body a:hover{color:var(--c-accent)}
.offcanvas-deep .offcanvas-body .btn-brand{font-size:16px;margin-top:8px}
.btn-close-white{filter:invert(1) grayscale(1) brightness(2)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  background:var(--c-deep);
  padding:104px 0 72px;
  overflow:hidden;
}
@media(min-width:992px){.article-hero{padding:132px 0 96px}}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 70% at 78% 22%,rgba(255,90,38,.34),transparent 62%);
  pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.article-hero .container-x{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;line-height:1.6;flex-wrap:wrap;margin-bottom:22px}
.crumb a{color:var(--c-ink-2)}
.crumb span{color:rgba(20,22,27,.22)}
.crumb em{font-style:normal;color:var(--c-ink);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb.on-dark a{color:rgba(255,255,255,.66)}
.crumb.on-dark span{color:rgba(255,255,255,.28)}
.crumb.on-dark em{color:#fff}
.tag-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-accent);color:var(--c-ink);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.article-title{
  font-size:clamp(28px,5vw,40px);font-weight:800;line-height:1.18;letter-spacing:-.02em;
  color:#fff;margin:16px 0 18px;max-width:900px;
}
.meta-bar{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.56);
}
.meta-bar i{font-style:normal;color:rgba(255,255,255,.24)}
.meta-bar b{color:#fff;font-weight:700;font-variant-numeric:tabular-nums}
.share-group{display:flex;gap:10px;margin-top:24px}
.share-group button{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line-d);
  background:rgba(255,255,255,.10);color:#fff;cursor:pointer;transition:all .2s ease;font-size:14px;
}
.share-group button:hover{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent)}

/* ---------- 封面 ---------- */
.cover-wrap{margin-top:-44px;position:relative;z-index:3}
@media(min-width:992px){.cover-wrap{margin-top:-56px}}
.cover-figure{margin:0}
.cover-figure img{width:100%;aspect-ratio:16/9;border-radius:var(--r-l);box-shadow:var(--sh-3)}
@media(min-width:992px){.cover-figure img{aspect-ratio:21/9}}
.cover-figure figcaption{
  text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:14px;
}

/* ---------- 正文 ---------- */
.article-main{padding:48px 0 64px}
@media(min-width:992px){.article-main{padding:72px 0 88px}}
.article-layout{display:grid;grid-template-columns:1fr;gap:48px}
@media(min-width:1200px){.article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px}}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--c-ink-2)}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:clamp(22px,3.2vw,28px);font-weight:700;line-height:1.3;
  color:var(--c-ink);margin:44px 0 16px;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;border-radius:2px;background:var(--grad-line);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.35;color:var(--c-ink);margin:32px 0 12px;scroll-margin-top:96px}
.article-body p{margin:0 0 1.2em;color:var(--c-ink-2)}
.article-body strong{color:var(--c-ink);font-weight:700}
.article-body a{color:var(--c-brand);border-bottom:1px solid rgba(255,90,38,.35)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em}
.article-body ul{list-style:none;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--c-ink-2)}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.68em;width:8px;height:8px;border-radius:50%;background:var(--c-brand);
}
.article-body ol li{margin-bottom:10px;color:var(--c-ink-2)}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--c-brand);
  background:rgba(255,90,38,.05);border-radius:0 var(--r-s) var(--r-s) 0;color:var(--c-ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-s);margin:22px 0 10px;width:100%}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;overflow:hidden;border-radius:var(--r-s)}
.article-body .table-scroll{overflow-x:auto;margin:24px 0}
.article-body thead th{background:var(--c-deep);color:#fff;font-weight:600}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--c-line)}
.article-body tbody tr:nth-child(even){background:rgba(20,22,27,.03)}
.article-body pre{
  background:var(--c-deep);color:#fff;border-radius:var(--r-s);padding:18px;overflow-x:auto;
  font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

.empty-state{
  border:1px dashed rgba(20,22,27,.14);border-radius:var(--r-m);
  padding:56px 24px;text-align:center;background:var(--c-surface);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  border:2px solid rgba(255,90,38,.2);display:flex;align-items:center;justify-content:center;
  color:rgba(255,90,38,.45);font-size:24px;
}
.empty-state h3{font-size:16px;font-weight:600;margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--c-ink-2);margin-bottom:20px}

/* 文末 */
.after-body{max-width:760px;margin-top:44px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag-list a{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2);transition:all .2s ease;
}
.tag-list a:hover{border-color:rgba(255,90,38,.5);color:var(--c-brand);background:rgba(255,90,38,.05)}
.react-bar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.react-bar button{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);
  border:1.5px solid var(--c-line);background:#fff;color:var(--c-ink);font-size:14px;font-weight:600;
  cursor:pointer;transition:all .2s ease;
}
.react-bar button:hover{border-color:rgba(255,90,38,.5);color:var(--c-brand)}
.react-bar button.on{background:var(--grad-brand);border-color:transparent;color:#fff}
.back-links{display:flex;flex-wrap:wrap;gap:24px;padding-top:24px;border-top:1px solid var(--c-line)}
.back-links a{font-size:14px;font-weight:600;color:var(--c-ink-2);display:inline-flex;align-items:center;gap:6px}
.back-links a:hover{color:var(--c-brand)}

/* 侧栏 */
.article-side{display:none}
@media(min-width:1200px){
  .article-side{display:block}
  .side-sticky{position:sticky;top:104px;display:flex;flex-direction:column;gap:24px}
}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:14px;
  padding-bottom:12px;border-bottom:1px solid var(--c-line);
}
#tocList{display:flex;flex-direction:column;gap:10px}
#tocList a{font-size:14px;color:var(--c-ink-2);line-height:1.5;display:block}
#tocList a:hover{color:var(--c-brand)}
.hot-list{display:flex;flex-direction:column;gap:14px}
.hot-list a{display:flex;gap:12px;align-items:flex-start}
.hot-list .hot-num{
  flex:0 0 22px;font-size:13px;font-weight:800;color:rgba(255,90,38,.5);
  font-variant-numeric:tabular-nums;line-height:1.6;
}
.hot-list .hot-txt{font-size:14px;color:var(--c-ink-2);line-height:1.55}
.hot-list a:hover .hot-txt{color:var(--c-brand)}
.side-cta{
  border-radius:var(--r-m);padding:24px;border:1px solid rgba(255,90,38,.18);
  background:linear-gradient(150deg,rgba(255,90,38,.10),rgba(200,255,77,.14));
}
.side-cta h3{font-size:16px;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:14px;color:var(--c-ink-2);margin-bottom:16px}
.side-cta .btn-brand{width:100%;height:44px;font-size:14px}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 72px}
@media(min-width:992px){.related{padding:0 0 96px}}
.sec-head{margin-bottom:32px}
.sec-head h2{font-size:clamp(22px,3.2vw,32px);font-weight:700;line-height:1.25;color:var(--c-ink)}
.sec-head h2::after{content:"";display:block;width:48px;height:1px;background:var(--grad-line);margin-top:14px}
.sec-head .sec-sub{font-size:15px;color:var(--c-ink-2);margin-top:12px;max-width:640px}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:576px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.related-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.rel-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  overflow:hidden;display:flex;flex-direction:column;transition:all .24s cubic-bezier(.22,.61,.36,1);
}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--sh-3);border-color:rgba(255,90,38,.3)}
.rel-card img{width:100%;aspect-ratio:16/9}
.rel-card .rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px}
.rel-card h3{
  font-size:17px;font-weight:700;line-height:1.45;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.9em;
}
.rel-card:hover h3{color:var(--c-brand)}
.rel-card .rel-meta{font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--c-deep);border-radius:var(--r-xl);
  padding:48px 28px;overflow:hidden;text-align:center;margin-bottom:72px;
}
@media(min-width:992px){.cta-band{padding:64px 56px;margin-bottom:96px}}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 120% at 50% 0%,rgba(255,90,38,.30),transparent 68%);
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(22px,3.2vw,30px);font-weight:700;line-height:1.3}
.cta-band p{color:rgba(255,255,255,.72);margin:14px auto 26px;max-width:640px;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-deep);border-top:1px solid transparent;
  background-image:linear-gradient(var(--c-deep),var(--c-deep)),var(--grad-line);
  background-origin:border-box;background-clip:padding-box,border-box;
  padding:72px 0 32px;color:#fff;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-line);
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}}
.footer-brand .nav-logo{color:#fff;margin-bottom:16px}
.footer-slogan{font-size:14px;color:rgba(255,255,255,.62);line-height:1.75;max-width:320px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid var(--c-line-d);color:rgba(255,255,255,.8);font-size:14px;
  transition:all .2s ease;
}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:10px;transition:all .2s ease}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.sub-form{display:flex;background:rgba(255,255,255,.08);border:1px solid var(--c-line-d);border-radius:var(--r-pill);padding:4px;gap:4px}
.sub-form input{
  flex:1;min-width:0;height:40px;border:0;background:transparent;color:#fff;padding:0 16px;font-size:14px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5)}
.sub-form input:focus{outline:none}
.sub-form .btn-brand{height:40px;padding:0 18px;font-size:14px}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--c-line-d);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--c-accent)}

/* 动效 */
.fade-up{opacity:0;transform:translateY(14px);transition:opacity .36s ease-out,transform .36s ease-out}
.fade-up.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .fade-up{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --c-ink:#14161B;
  --c-ink-2:#4A4F5A;
  --c-ink-3:#8A8F9A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-brand:#FF5A26;
  --c-brand-d:#E8430F;
  --c-accent:#C8FF4D;
  --c-deep:#12141A;
  --c-line:rgba(20,22,27,.08);
  --c-line-d:rgba(255,255,255,.10);
  --grad-brand:linear-gradient(135deg,#FF5A26 0%,#FF7A2F 42%,#FFB03A 100%);
  --grad-line:linear-gradient(90deg,#FF5A26,#C8FF4D);
  --grad-veil:linear-gradient(180deg,rgba(18,20,26,0) 38%,rgba(18,20,26,.86) 100%);
  --r-xs:10px;
  --r-s:14px;
  --r-m:20px;
  --r-l:24px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(20,22,27,.06);
  --sh-2:0 14px 34px -10px rgba(255,90,38,.30);
  --sh-3:0 26px 64px -18px rgba(20,22,27,.24);
  --bs-primary:#FF5A26;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-border-radius:14px;
  --bs-body-color:#4A4F5A;
  --bs-body-bg:#FFF7F1;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-brand);text-decoration:none}
a:hover{color:var(--c-brand-d)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-family:inherit}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(255,90,38,.2)}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:992px){
  .container{padding-left:32px;padding-right:32px}
}
@media (min-width:1400px){
  .container{max-width:1320px}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;width:100%;
  z-index:1030;
  height:72px;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
  transition:background 240ms ease,border-color 240ms ease,box-shadow 240ms ease;
}
.hd-inner{
  display:flex;
  align-items:center;
  height:72px;
  gap:18px;
}
.nav-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
  transition:color 240ms ease;
}
.nav-logo:hover{color:#fff}
.logo-mark{
  width:28px;height:28px;
  border-radius:9px;
  background:var(--grad-brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:none;
}
.logo-mark i{
  position:relative;
  display:block;
  width:14px;height:2px;
  border-radius:2px;
  background:#fff;
}
.logo-mark i::before,
.logo-mark i::after{
  content:"";
  position:absolute;
  left:0;
  height:2px;
  border-radius:2px;
  background:#fff;
}
.logo-mark i::before{top:-5px;width:9px}
.logo-mark i::after{top:5px;width:11px}

.nav-links{display:none;align-items:center;gap:26px}
.nav-links a{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:rgba(255,255,255,.86);
  padding:6px 0;
  white-space:nowrap;
  transition:color 200ms ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-line);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 200ms ease;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-accent)}

.hd-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
  cursor:pointer;
  transition:background 200ms ease,color 200ms ease,transform 200ms ease;
}
.icon-btn:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
.burger{display:inline-flex}
@media (min-width:992px){
  .nav-links{display:flex;margin-left:auto}
  .hd-actions{margin-left:0}
  .burger{display:none}
}

.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 10px 30px -16px rgba(20,22,27,.22);
}
.site-header.is-stuck .nav-logo{color:var(--c-ink)}
.site-header.is-stuck .nav-links a{color:var(--c-ink-2)}
.site-header.is-stuck .nav-links a:hover{color:var(--c-ink)}
.site-header.is-stuck .nav-links a.active{color:var(--c-brand)}
.site-header.is-stuck .icon-btn{
  background:rgba(20,22,27,.05);
  border-color:var(--c-line);
  color:var(--c-ink);
}
.site-header.is-stuck .icon-btn:hover{background:rgba(255,90,38,.10);color:var(--c-brand)}

.search-panel{
  position:absolute;
  top:76px;right:20px;
  width:min(360px,calc(100% - 40px));
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-3);
  padding:16px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity 220ms ease,transform 220ms ease,visibility 220ms;
}
.search-panel.is-open{opacity:1;visibility:visible;transform:none}
.search-panel p{font-size:13px;color:var(--c-ink-3);margin:0 0 10px}
.pill-form{
  display:flex;
  align-items:center;
  background:#fff;
  border:1px solid rgba(20,22,27,.12);
  border-radius:var(--r-pill);
  overflow:hidden;
}
.pill-form input{
  flex:1;
  min-width:0;
  height:48px;
  border:0;
  background:transparent;
  padding:0 18px;
  font-size:14px;
  outline:none;
}
.pill-form input:focus-visible{outline:none}
.pill-form:focus-within{
  border-color:var(--c-brand);
  box-shadow:0 0 0 4px rgba(255,90,38,.12);
}
.pill-form .btn-brand{height:40px;margin:4px;padding:0 20px;font-size:14px}

/* ---------- 移动端抽屉 ---------- */
.oc-dark{
  background:var(--c-deep);
  color:rgba(255,255,255,.72);
  width:min(320px,86vw);
  border-left:1px solid var(--c-line-d);
}
.oc-dark .offcanvas-header{
  border-bottom:1px solid var(--c-line-d);
  padding:20px 22px;
}
.oc-title{font-size:16px;font-weight:700;color:#fff}
.oc-close{
  filter:invert(1) grayscale(1) brightness(2);
  opacity:.7;
}
.oc-dark .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:6px}
.oc-dark .offcanvas-body a{
  font-size:20px;
  font-weight:600;
  color:#fff;
  padding:10px 0;
  border-bottom:1px solid var(--c-line-d);
}
.oc-dark .offcanvas-body a.active{color:var(--c-accent)}
.oc-foot{padding:0 22px 26px}
.oc-foot .btn-brand{width:100%}

/* ---------- 按钮与徽章 ---------- */
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--grad-brand);
  background-size:100% 100%;
  color:#fff;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  box-shadow:0 6px 18px -12px rgba(255,90,38,.7);
  transition:transform 200ms cubic-bezier(.22,.61,.36,1),box-shadow 200ms ease,background-size 300ms ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);background-size:140% 140%}
.btn-brand:active{transform:translateY(0);box-shadow:0 4px 12px -10px rgba(255,90,38,.8)}
.btn-brand.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-on-dark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:0;
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--c-ink);
  font-size:15px;
  font-weight:700;
  transition:background 200ms ease,transform 200ms ease;
}
.btn-on-dark:hover{background:var(--c-accent);color:var(--c-ink);transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:1.5px solid var(--c-line);
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--c-ink);
  font-size:15px;
  font-weight:600;
  transition:border-color 200ms ease,background 200ms ease,color 200ms ease,transform 200ms ease;
}
.btn-ghost:hover{
  border-color:rgba(255,90,38,.5);
  background:rgba(255,90,38,.06);
  color:var(--c-brand);
  transform:translateY(-2px);
}
.btn-ghost.on-dark{
  border-color:rgba(255,255,255,.3);
  color:#fff;
}
.btn-ghost.on-dark:hover{
  border-color:var(--c-accent);
  color:var(--c-accent);
  background:rgba(200,255,77,.08);
}
.badge-lime{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 11px;
  border-radius:var(--r-pill);
  background:var(--c-accent);
  color:var(--c-ink);
  font-size:13px;
  font-weight:700;
  white-space:nowrap;
}
.badge-soft{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 11px;
  border-radius:var(--r-pill);
  background:rgba(255,90,38,.10);
  color:var(--c-brand);
  font-size:13px;
  font-weight:700;
  white-space:nowrap;
}
.badge-glass{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 11px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid var(--c-line-d);
  color:#fff;
  font-size:13px;
  font-weight:700;
  white-space:nowrap;
}

/* ---------- 面包屑与文字链 ---------- */
.breadcrumb-bar{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  margin-bottom:18px;
  max-width:60%;
  white-space:nowrap;
}
.breadcrumb-bar a{color:rgba(255,255,255,.72)}
.breadcrumb-bar a:hover{color:var(--c-accent)}
.breadcrumb-bar .sep{color:rgba(255,255,255,.25)}
.breadcrumb-bar .cur{
  color:#fff;
  overflow:hidden;
  text-overflow:ellipsis;
}
.link-back{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.84);
  border-bottom:1px dashed rgba(255,255,255,.35);
  padding-bottom:3px;
  transition:color 200ms ease,border-color 200ms ease;
}
.link-back:hover{color:var(--c-accent);border-color:var(--c-accent)}

/* ---------- 矮版 Hero ---------- */
.page-hero{
  position:relative;
  background:var(--c-deep);
  padding:132px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(60% 70% at 78% 22%,rgba(255,90,38,.34),transparent 62%);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.03) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.eyebrow{
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-accent);
  margin:0 0 12px;
}
.page-hero h1{
  font-size:clamp(28px,5vw,44px);
  font-weight:800;
  line-height:1.14;
  letter-spacing:-.02em;
  color:#fff;
  margin-bottom:14px;
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  max-width:520px;
  margin-bottom:22px;
}
.hero-media{display:none}
@media (min-width:992px){
  .hero-media{display:block;position:relative}
  .hero-media img{
    width:100%;
    height:330px;
    object-fit:cover;
    object-position:center 18%;
    border-radius:var(--r-l);
    border:1px solid var(--c-line-d);
  }
  .hero-media::after{
    content:"";
    position:absolute;
    inset:0;
    border-radius:var(--r-l);
    background:var(--grad-veil);
    pointer-events:none;
  }
}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0}
@media (min-width:992px){
  .section{padding:84px 0}
}
@media (min-width:1400px){
  .section{padding:96px 0}
}
.section-white{background:var(--c-surface)}
.section h2{
  font-size:clamp(22px,3.2vw,32px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  scroll-margin-top:96px;
}
.h-line{
  width:48px;
  height:4px;
  border-radius:2px;
  background:var(--grad-line);
  margin:18px 0 22px;
}
.tag{
  display:inline-block;
  padding:0 12px;
  height:26px;
  line-height:26px;
  border-radius:var(--r-pill);
  background:rgba(255,90,38,.10);
  color:var(--c-brand);
  font-size:13px;
  font-weight:700;
  margin-bottom:14px;
}
.zz-text p{font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.zz-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  background:#f2ede9;
}
.stat-row{
  display:flex;
  flex-wrap:wrap;
  gap:24px 40px;
  margin-top:22px;
}
.stat strong{
  display:block;
  font-size:clamp(32px,4vw,44px);
  font-weight:800;
  line-height:1.05;
  color:var(--c-ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat span{
  display:block;
  font-size:13px;
  color:var(--c-ink-2);
  margin-top:6px;
}

/* ---------- 数据带 ---------- */
.data-band{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  padding:32px 26px;
  box-shadow:var(--sh-1);
}
@media (min-width:992px){
  .data-band{grid-template-columns:repeat(4,minmax(0,1fr));padding:38px 34px;gap:28px}
}
.data-cell .num{
  font-size:clamp(30px,3.6vw,42px);
  font-weight:800;
  line-height:1.05;
  color:var(--c-ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.data-cell .num em{
  font-style:normal;
  font-size:.5em;
  color:var(--c-brand);
  margin-left:4px;
}
.data-cell .cap{
  font-size:13px;
  color:var(--c-ink-2);
  margin-top:8px;
}
.data-cell .mini{
  margin-top:10px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  background:var(--c-deep);
  padding:72px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(50% 80% at 22% 30%,rgba(255,90,38,.30),transparent 62%);
  pointer-events:none;
}
.cta-card{
  position:relative;
  z-index:2;
  background:rgba(255,255,255,.06);
  border:1px solid var(--c-line-d);
  border-radius:var(--r-l);
  padding:36px 28px;
}
@media (min-width:992px){
  .cta-card{padding:48px 44px}
}
.cta-card h2{color:#fff;max-width:640px}
.cta-card p{
  color:rgba(255,255,255,.72);
  font-size:15px;
  max-width:620px;
  margin:16px 0 26px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--c-deep);
  padding:72px 0 32px;
  color:rgba(255,255,255,.66);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:var(--grad-line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (min-width:992px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
}
.footer-brand{grid-column:1/-1}
@media (min-width:768px){
  .footer-brand{grid-column:1/-1}
}
@media (min-width:992px){
  .footer-brand{grid-column:auto}
}
.footer-brand .nav-logo{color:#fff;margin-bottom:16px}
.footer-slogan{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:340px;
  margin-bottom:18px;
}
.socials{display:flex;gap:10px}
.socials a{
  width:40px;height:40px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.10);
  border:1px solid var(--c-line-d);
  color:rgba(255,255,255,.82);
  font-size:13px;
  font-weight:700;
  transition:background 200ms ease,color 200ms ease,transform 200ms ease;
}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);transform:translateY(-2px)}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.66);
  margin-bottom:10px;
  transition:color 200ms ease,transform 200ms ease;
}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.sub-form{
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid var(--c-line-d);
  border-radius:var(--r-pill);
  padding:4px;
}
.sub-form input{
  flex:1;
  min-width:0;
  height:40px;
  border:0;
  background:transparent;
  color:#fff;
  padding:0 16px;
  font-size:14px;
  outline:none;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5)}
.sub-form .btn-brand{height:38px;padding:0 20px;font-size:14px;flex:none}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--c-line-d);
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  justify-content:space-between;
  font-size:12px;
  color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- 浮层入口卡 ---------- */
.buy-float{
  position:fixed;
  right:24px;
  bottom:24px;
  width:320px;
  background:#fff;
  border-radius:var(--r-l);
  box-shadow:var(--sh-3);
  padding:16px;
  z-index:1020;
  opacity:0;
  visibility:hidden;
  transform:translateY(16px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s;
  display:none;
}
@media (min-width:1200px){
  .buy-float{display:block}
}
.buy-float.is-show{opacity:1;visibility:visible;transform:none}
.buy-float .bf-top{display:flex;gap:12px;align-items:flex-start}
.buy-float img{
  width:64px;height:64px;
  border-radius:var(--r-s);
  object-fit:cover;
  flex:none;
}
.buy-float h3{
  font-size:16px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:8px;
}
.bf-badges{display:flex;gap:6px;flex-wrap:wrap}
.buy-float .btn-brand{width:100%;margin-top:14px;height:44px}
.bf-link{
  display:block;
  margin-top:10px;
  font-size:13px;
  color:var(--c-ink-2);
  text-align:center;
}
.bf-link:hover{color:var(--c-brand)}

.buy-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1025;
  background:#fff;
  border-top:1px solid var(--c-line);
  box-shadow:0 -12px 30px -18px rgba(20,22,27,.3);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  display:flex;
  align-items:center;
  gap:12px;
  opacity:0;
  visibility:hidden;
  transform:translateY(16px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s;
}
@media (min-width:992px){
  .buy-bar{display:none}
}
.buy-bar.is-show{opacity:1;visibility:visible;transform:none}
.buy-bar .bb-txt{flex:1;min-width:0}
.buy-bar .bb-txt strong{
  display:block;
  font-size:14px;
  font-weight:700;
  color:var(--c-ink);
  font-variant-numeric:tabular-nums;
}
.buy-bar .bb-txt span{font-size:12px;color:var(--c-ink-2)}
.buy-bar .btn-brand{height:44px;padding:0 20px;font-size:14px;flex:none}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .36s ease-out,transform .36s ease-out;
}
.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

@media (max-width:991px){
  .page-hero{padding:104px 0 52px}
  .section{padding:52px 0}
  .breadcrumb-bar{max-width:100%}
}
@media (max-width:575px){
  .hd-inner{gap:10px}
  .nav-logo{font-size:16px}
  .nav-logo .logo-mark{width:26px;height:26px;border-radius:8px}
  .stat-row{gap:18px 28px}
  .cta-actions .btn-brand,
  .cta-actions .btn-on-dark,
  .cta-actions .btn-ghost{width:100%}
}

/* roulang page: category2 */
:root{
  --c-ink:#14161B;
  --c-ink-2:#4A4F5A;
  --c-ink-3:#8A8F9A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-brand:#FF5A26;
  --c-brand-d:#E8430F;
  --c-accent:#C8FF4D;
  --c-deep:#12141A;
  --c-line:rgba(20,22,27,.08);
  --c-line-d:rgba(255,255,255,.10);
  --grad-brand:linear-gradient(135deg,#FF5A26 0%,#FF7A2F 42%,#FFB03A 100%);
  --grad-line:linear-gradient(90deg,#FF5A26,#C8FF4D);
  --grad-veil:linear-gradient(180deg,rgba(18,20,26,0) 38%,rgba(18,20,26,.86) 100%);
  --r-xs:10px;
  --r-s:14px;
  --r-m:20px;
  --r-l:24px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(20,22,27,.06);
  --sh-2:0 14px 34px -10px rgba(255,90,38,.30);
  --sh-3:0 26px 64px -18px rgba(20,22,27,.24);

  --bs-primary:#FF5A26;
  --bs-primary-rgb:255,90,38;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-color:#14161B;
  --bs-body-bg:#FFF7F1;
  --bs-link-color:#FF5A26;
  --bs-link-hover-color:#E8430F;
  --bs-border-radius:14px;
  --bs-border-radius-lg:20px;
  --bs-border-radius-sm:10px;
  --bs-border-color:rgba(20,22,27,.08);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background-color:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease}
a:hover{color:var(--c-brand)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink)}
p{margin:0}
h1{font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.14;letter-spacing:-.02em}
h2{font-size:clamp(22px,3.2vw,32px);font-weight:700;line-height:1.25;scroll-margin-top:96px}
h3{font-size:20px;font-weight:700;line-height:1.35}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
::selection{background:rgba(255,90,38,.22)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1400px){.container{max-width:1320px}}

/* ---------- 玻璃导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;width:100%;
  z-index:1030;
  height:60px;
  display:flex;align-items:center;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
  transition:background-color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
@media(min-width:992px){.site-header{height:72px}}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.nav-logo{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:-.01em;color:#fff;white-space:nowrap}
@media(min-width:992px){.nav-logo{font-size:18px}}
.logo-mark{
  width:28px;height:28px;border-radius:9px;background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 28px;
}
.logo-mark i{display:block;width:11px;height:11px;border:2px solid #fff;border-radius:3px;transform:rotate(45deg)}
.nav-links{display:none}
@media(min-width:992px){
  .nav-links{display:flex;align-items:center;gap:26px}
  .nav-links a{position:relative;font-size:14px;font-weight:500;color:rgba(255,255,255,.86);padding:6px 0}
  .nav-links a::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
    background:var(--grad-line);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
  }
  .nav-links a:hover{color:#fff}
  .nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
  .nav-links a.active{color:var(--c-accent);font-weight:600}
}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.14);border:1px solid var(--c-line-d);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
.nav-cta{display:none}
@media(min-width:992px){.nav-cta{display:inline-flex}}
.hamburger{width:40px;height:40px;border-radius:12px;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;background:rgba(255,255,255,.14);border:1px solid var(--c-line-d)}
.hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:#fff}
@media(min-width:992px){.hamburger{display:none}}

.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 10px 30px -16px rgba(20,22,27,.22);
}
.site-header.is-stuck .nav-logo,
.site-header.is-stuck .nav-links a,
.site-header.is-stuck .icon-btn{color:var(--c-ink)}
.site-header.is-stuck .nav-links a{color:var(--c-ink-2)}
.site-header.is-stuck .nav-links a:hover{color:var(--c-ink)}
.site-header.is-stuck .nav-links a.active{color:var(--c-brand)}
.site-header.is-stuck .icon-btn,
.site-header.is-stuck .hamburger{background:rgba(20,22,27,.05);border-color:var(--c-line);color:var(--c-ink)}
.site-header.is-stuck .hamburger span{background:var(--c-ink)}

/* 移动端抽屉 */
.nav-drawer{background:var(--c-deep)!important;color:#fff;width:300px!important}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--c-line-d);padding:18px 22px}
.nav-drawer .drawer-title{font-size:14px;font-weight:700;color:rgba(255,255,255,.6);letter-spacing:.08em}
.nav-drawer .drawer-close{width:36px;height:36px;border-radius:50%;color:#fff;background:rgba(255,255,255,.12);font-size:20px;line-height:1}
.nav-drawer .offcanvas-body{padding:24px 22px;display:flex;flex-direction:column;gap:20px}
.nav-drawer .offcanvas-body a{font-size:20px;font-weight:600;color:#fff}
.nav-drawer .offcanvas-body a.active{color:var(--c-accent)}
.nav-drawer .drawer-cta{margin-top:auto;display:flex;justify-content:center;font-size:15px}

/* ---------- 按钮 / 徽章 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background-image:var(--grad-brand);background-size:100% 100%;
  color:#fff;font-size:15px;font-weight:700;
  transition:background-size .25s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-brand:hover{color:#fff;background-size:140% 100%;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 16px -8px rgba(255,90,38,.6)}
.btn-brand.btn-sm{height:38px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  border:1.5px solid rgba(20,22,27,.14);color:var(--c-ink);font-size:15px;font-weight:600;background:transparent;
}
.btn-ghost:hover{border-color:rgba(255,90,38,.5);background:rgba(255,90,38,.06);color:var(--c-brand)}
.btn-on-dark{background:#fff;color:var(--c-ink);border-color:transparent}
.btn-on-dark:hover{background:var(--c-accent);color:var(--c-ink)}
.btn-ghost-on-dark{border:1.5px solid rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost-on-dark:hover{border-color:rgba(255,255,255,.6);color:var(--c-accent);background:rgba(255,255,255,.08)}
.badge-lime{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--c-accent);color:var(--c-ink);font-size:13px;font-weight:700;white-space:nowrap;
}
.badge-glass{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid var(--c-line-d);color:#fff;font-size:13px;font-weight:700;white-space:nowrap;
}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:rgba(255,90,38,.10);color:var(--c-brand);font-size:13px;font-weight:700;white-space:nowrap;
}
.text-link{font-size:14px;font-weight:600;color:var(--c-brand);border-bottom:1px solid transparent}
.text-link:hover{border-bottom-color:var(--c-brand)}
.text-link-light{font-size:14px;font-weight:600;color:rgba(255,255,255,.8)}
.text-link-light:hover{color:var(--c-accent)}

.section-mark{width:48px;height:1px;background:var(--grad-line);margin:18px 0 0}

/* ---------- 矮版 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--c-deep);
  padding:112px 0 56px;
  color:#fff;
}
@media(min-width:992px){.cat-hero{padding:132px 0 72px;min-height:420px}}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(58% 66% at 18% 76%, rgba(255,90,38,.34), transparent 62%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0 2px, transparent 2px 16px);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:660px}
.breadcrumb-bar{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px}
.breadcrumb-bar a{color:rgba(255,255,255,.66)}
.breadcrumb-bar a:hover{color:var(--c-accent)}
.breadcrumb-bar .sep{color:rgba(255,255,255,.28)}
.breadcrumb-bar .current{color:#fff;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cat-hero h1{color:#fff;max-width:14em}
.hero-sub{margin-top:18px;font-size:16px;color:rgba(255,255,255,.76);max-width:32em}
@media(min-width:992px){.hero-sub{font-size:17px}}
.hero-back{margin-top:26px;display:inline-flex;align-items:center;gap:8px}
.hero-media{
  display:none;position:absolute;right:0;bottom:0;z-index:1;
  width:300px;height:100%;border-radius:var(--r-xl) 0 0 0;overflow:hidden;opacity:.42;
}
.hero-media img{width:100%;height:100%}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,20,26,.9),rgba(18,20,26,.1))}
@media(min-width:992px){.hero-media{display:block}}
@media(min-width:1200px){.hero-media{width:400px}}

/* ---------- 通用板块 ---------- */
.section{padding:48px 0}
@media(min-width:992px){.section{padding:80px 0}}
@media(min-width:1400px){.section{padding:96px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.section-head p{margin-top:12px;font-size:15px;color:var(--c-ink-2);max-width:52em}
.section-alt{background:#fff}
.section-deep{background:var(--c-deep);color:#fff}
.section-deep h2{color:#fff}
.section-deep p{color:rgba(255,255,255,.72)}
.section-deep .section-mark{background:var(--grad-line)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:48px;margin-top:12px}
.timeline::before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;background:var(--grad-line)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:-37px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--c-brand);box-shadow:0 0 0 4px #fff;
}
.tl-item h3{margin-bottom:10px}
.tl-item p{font-size:15px;line-height:1.8;color:var(--c-ink-2);max-width:60em}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .25s cubic-bezier(.22,.61,.36,1),box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(255,90,38,.28)}

/* ---------- 数据徽章墙 ---------- */
.stat-wall{display:grid;grid-template-columns:1fr;gap:16px;margin-top:8px}
@media(min-width:576px){.stat-wall{grid-template-columns:repeat(2,1fr);gap:20px}}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:26px 24px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.stat-card::before{content:"";position:absolute;left:0;top:0;height:100%;width:4px;background:var(--grad-line);opacity:0;transition:opacity .2s ease}
.stat-card:hover::before{opacity:1}
.stat-num{
  display:block;font-size:clamp(36px,5vw,52px);font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{display:block;margin-top:12px;font-size:12px;color:var(--c-ink-2);letter-spacing:.02em}
.stat-title{display:block;margin-top:6px;font-size:15px;font-weight:600;color:var(--c-ink)}

/* ---------- 设备差异双栏 ---------- */
.device-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.device-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
.device-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:28px 26px;box-shadow:var(--sh-1);
  transition:transform .25s cubic-bezier(.22,.61,.36,1),box-shadow .25s ease;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.device-card h3{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.device-card p{font-size:15px;color:var(--c-ink-2)}
.device-card ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.device-card li{position:relative;padding-left:18px;font-size:15px;color:var(--c-ink-2)}
.device-card li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--c-brand)}

/* ---------- 提示条 ---------- */
.notice-band{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  background:rgba(255,90,38,.06);border:1px solid rgba(255,90,38,.16);border-radius:var(--r-m);
  padding:20px 24px;margin-top:28px;
}
.notice-band p{font-size:15px;color:var(--c-ink-2);flex:1 1 260px}

/* ---------- 图文卡 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media(min-width:992px){.split{grid-template-columns:5fr 7fr;gap:40px}}
.split-media{border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);aspect-ratio:16/11;background:#EFE7E1}
.split-body h3{margin-bottom:12px}
.split-body p{font-size:15px;color:var(--c-ink-2)}
.split-body p + p{margin-top:12px}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-deep);color:#fff;
  padding:48px 0;
}
@media(min-width:992px){.cta-band{padding:72px 0}}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(48% 90% at 82% 12%, rgba(255,176,58,.22), transparent 60%),rgba(255,90,38,.10);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-inner h2{color:#fff;max-width:18em}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:36em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 浮层与吸底条 ---------- */
.float-card{
  display:none;position:fixed;right:24px;bottom:24px;width:320px;z-index:1040;
  background:var(--c-surface);border-radius:var(--r-l);box-shadow:var(--sh-3);
  padding:18px;opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
@media(min-width:1200px){.float-card{display:block}}
.float-card.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-head{display:flex;gap:14px;align-items:flex-start}
.float-head img{width:64px;height:64px;border-radius:var(--r-s);flex:0 0 64px}
.float-body h3{font-size:16px;line-height:1.45;margin-bottom:8px}
.float-badges{display:flex;flex-wrap:wrap;gap:6px}
.float-card .btn-brand{width:100%;margin-top:14px;height:44px}
.float-card .text-link{display:block;text-align:center;margin-top:10px;font-size:13px}

.mobile-bar{
  display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:#fff;border-top:1px solid var(--c-line);box-shadow:var(--sh-3);
  transform:translateY(0);transition:transform .3s ease,opacity .3s ease;
}
@media(min-width:992px){.mobile-bar{display:none}}
.mobile-bar.is-hidden{opacity:0;transform:translateY(16px);pointer-events:none}
.mobile-bar strong{display:block;font-size:14px;font-weight:700}
.mobile-bar span{display:block;font-size:12px;color:var(--c-ink-2);font-variant-numeric:tabular-nums}
.mobile-bar .btn-brand{height:44px;padding:0 20px;font-size:14px;white-space:nowrap}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--c-deep);color:#fff;padding:56px 0 32px;
  background-image:radial-gradient(60% 60% at 12% 0%, rgba(255,90,38,.12), transparent 60%);
}
@media(min-width:992px){.site-footer{padding:72px 0 32px}}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-line)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:32px}}
.footer-brand .nav-logo{color:#fff;font-size:17px}
.footer-slogan{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:26em}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.10);border:1px solid var(--c-line-d);color:#fff;font-size:14px;font-weight:600;
}
.socials a:hover{color:var(--c-accent);background:rgba(255,255,255,.18)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:10px}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.sub-form{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid var(--c-line-d);border-radius:var(--r-pill);padding:4px;gap:6px}
.sub-form input{
  flex:1;min-width:0;height:40px;border:0;background:transparent;color:#fff;font-size:14px;padding:0 14px;outline:none;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5)}
.sub-form .btn-brand{height:38px;padding:0 18px;font-size:14px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--c-line-d);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .36s ease-out,transform .36s ease-out}
.reveal.is-in{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation:none!important}
}

@media(max-width:575px){
  .timeline{padding-left:34px}
  .timeline::before{left:12px}
  .tl-dot{left:-30px;top:5px;width:14px;height:14px}
  .tl-card{padding:18px 18px}
  .cat-hero{padding-top:96px}
}

/* roulang page: category3 */
:root{
  --c-ink:#14161B;
  --c-ink-2:#4A4F5A;
  --c-ink-3:#8A8F9A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-brand:#FF5A26;
  --c-brand-d:#E8430F;
  --c-accent:#C8FF4D;
  --c-deep:#12141A;
  --c-line:rgba(20,22,27,.08);
  --c-line-d:rgba(255,255,255,.10);
  --grad-brand:linear-gradient(135deg,#FF5A26 0%,#FF7A2F 42%,#FFB03A 100%);
  --grad-line:linear-gradient(90deg,#FF5A26,#C8FF4D);
  --grad-veil:linear-gradient(180deg,rgba(18,20,26,0) 38%,rgba(18,20,26,.86) 100%);
  --r-xs:10px;
  --r-s:14px;
  --r-m:20px;
  --r-l:24px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(20,22,27,.06);
  --sh-2:0 14px 34px -10px rgba(255,90,38,.30);
  --sh-3:0 26px 64px -18px rgba(20,22,27,.24);
  --bs-primary:#FF5A26;
  --bs-primary-rgb:255,90,38;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-color:#4A4F5A;
  --bs-body-bg:#FFF7F1;
  --bs-border-radius:20px;
  --bs-link-color:#FF5A26;
  --bs-link-hover-color:#E8430F;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:992px){.container{padding:0 32px;max-width:1200px}}
@media (min-width:1400px){.container{max-width:1320px}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:1030;height:72px;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
  transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header .container{display:flex;align-items:center;height:72px;gap:20px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.01em;color:#fff;white-space:nowrap;transition:color .24s ease}
.logo-mark{
  width:28px;height:28px;border-radius:9px;background:var(--grad-brand);
  display:grid;place-items:center;flex:0 0 28px;position:relative;
}
.logo-mark i{display:block;width:13px;height:13px;border:2px solid #fff;border-radius:50%;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(-45deg)}
.nav-links{display:none;align-items:center;gap:26px;margin-left:auto}
.nav-links a{position:relative;font-size:14px;font-weight:500;color:rgba(255,255,255,.9);padding:8px 0;white-space:nowrap}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--grad-line);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-accent)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-links + .nav-right{margin-left:0}
.nav-search{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;transition:background .2s ease,transform .2s ease;
}
.nav-search:hover{background:rgba(255,255,255,.26);transform:translateY(-2px)}
.nav-cta{display:none}
.nav-burger{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.12);display:grid;place-items:center;gap:4px;
  padding:11px 10px;cursor:pointer;
}
.nav-burger span{display:block;width:100%;height:2px;border-radius:2px;background:#fff}

.site-header.is-stuck{background:rgba(255,255,255,.94);border-bottom:1px solid var(--c-line);box-shadow:0 10px 30px -16px rgba(20,22,27,.22)}
.site-header.is-stuck .nav-logo{color:var(--c-ink)}
.site-header.is-stuck .nav-links a{color:var(--c-ink)}
.site-header.is-stuck .nav-links a.active{color:var(--c-brand)}
.site-header.is-stuck .nav-search{background:rgba(20,22,27,.05);border-color:var(--c-line);color:var(--c-ink)}
.site-header.is-stuck .nav-burger{background:rgba(20,22,27,.05);border-color:var(--c-line)}
.site-header.is-stuck .nav-burger span{background:var(--c-ink)}

@media (min-width:992px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .nav-burger{display:none}
  .nav-right{margin-left:auto}
}

/* 移动端抽屉 */
.offcanvas.cus-drawer{background:var(--c-deep);color:#fff;width:min(86vw,360px);border:0}
.cus-drawer .offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--c-line-d)}
.cus-drawer .offcanvas-body{padding:22px;display:flex;flex-direction:column}
.cus-drawer .m-nav{display:flex;flex-direction:column;gap:20px;margin-bottom:32px}
.cus-drawer .m-nav a{font-size:20px;font-weight:600;color:#fff}
.cus-drawer .m-nav a.active{color:var(--c-accent)}
.cus-drawer .m-nav a:hover{color:var(--c-brand)}
.cus-drawer .drawer-foot{margin-top:auto;padding-top:20px}
.btn-close-cus{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line-d);
  background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;cursor:pointer;
}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:var(--r-pill);
  background-image:var(--grad-brand);background-size:120% 100%;background-position:0 0;
  color:#fff;font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease;
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background-position:100% 0;color:#fff}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 16px -8px rgba(255,90,38,.5)}
.btn-brand.sm{height:38px;padding:0 20px;font-size:14px}
.btn-brand.block{width:100%}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  border:1.5px solid var(--c-line);background:transparent;color:var(--c-ink);
  font-size:15px;font-weight:600;transition:all .2s ease;
}
.btn-ghost:hover{border-color:rgba(255,90,38,.5);background:rgba(255,90,38,.06);color:var(--c-brand)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost.on-dark:hover{border-color:var(--c-accent);background:rgba(255,255,255,.08);color:var(--c-accent)}

.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);border:0;
  background:#fff;color:var(--c-ink);font-size:15px;font-weight:700;
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.btn-on-dark:hover{background:var(--c-accent);color:var(--c-ink);transform:translateY(-2px)}

.text-link{font-size:14px;font-weight:600;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--c-brand-d)}
.text-link::after{content:"→";transition:transform .2s ease}
.text-link:hover::after{transform:translateX(4px)}
.text-link.on-dark{color:var(--c-accent)}
.text-link.on-dark:hover{color:#fff}

/* 徽章 */
.badge-lime{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-pill);background:var(--c-accent);color:var(--c-ink);
  font-size:13px;font-weight:700;line-height:1;
}
.badge-glass{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.14);color:#fff;
  border:1px solid var(--c-line-d);font-size:13px;font-weight:700;line-height:1;
}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-pill);background:rgba(255,90,38,.10);color:var(--c-brand);
  font-size:13px;font-weight:700;line-height:1;
}

/* ============ Hero ============ */
.page-hero{
  position:relative;background:var(--c-deep);color:#fff;
  padding:132px 0 64px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 70% at 78% 22%,rgba(255,90,38,.34),transparent 62%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.03;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,#fff 0 1px,transparent 1px 14px);
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:992px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px}}

.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.6;margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs .sep{color:rgba(255,255,255,.28)}
.crumbs .now{color:#fff;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.page-hero h1{
  font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.14;letter-spacing:-.02em;
  color:#fff;margin-bottom:16px;
}
.hero-sub{font-size:17px;color:rgba(255,255,255,.76);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

.hero-deco{position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:16/9;border:1px solid var(--c-line-d)}
.hero-deco img{width:100%;height:100%;object-fit:cover;object-position:center 40%;opacity:.85}
.hero-deco::after{content:"";position:absolute;inset:0;background:var(--grad-veil)}
@media (min-width:992px){.hero-deco{aspect-ratio:4/3;max-height:340px}}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1200px){.section{padding:88px 0}}
.section.on-white{background:#fff}
.section.on-deep{background:var(--c-deep);color:rgba(255,255,255,.78)}
.section.on-deep h2{color:#fff}

.sec-head{margin-bottom:32px}
.sec-head h2{font-size:clamp(22px,3.2vw,32px);font-weight:700;line-height:1.25}
.sec-line{display:block;width:48px;height:1px;background:var(--grad-line);margin-top:14px}
.sec-head p{margin-top:14px;font-size:15px;color:var(--c-ink-2);max-width:720px}
.section.on-deep .sec-head p{color:rgba(255,255,255,.7)}
h2{scroll-margin-top:96px}

/* ============ 数据徽章墙 ============ */
.stat-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media (min-width:768px){.stat-wall{grid-template-columns:repeat(4,1fr);gap:20px}}
.stat-cell{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:22px 20px;box-shadow:var(--sh-1);transition:transform .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s ease;
}
.stat-cell:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.stat-num{font-size:clamp(30px,5vw,44px);font-weight:800;line-height:1.05;color:var(--c-ink);font-variant-numeric:tabular-nums;background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{margin-top:8px;font-size:13px;color:var(--c-ink-2);line-height:1.6}

/* ============ 拼贴宫格 ============ */
.mosaic{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:992px){.mosaic{grid-template-columns:repeat(12,1fr);gap:24px}}
.tile{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:26px;position:relative;overflow:hidden;
  transition:transform .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s ease,border-color .24s ease;
}
.tile:hover{transform:translateY(-6px);box-shadow:var(--sh-3);border-color:rgba(255,90,38,.24)}
.tile h3{font-size:20px;font-weight:700;line-height:1.35;margin-bottom:10px}
.tile p{font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.tile .tile-no{
  position:absolute;top:20px;right:22px;font-size:13px;font-weight:700;
  color:var(--c-ink-3);font-variant-numeric:tabular-nums;letter-spacing:.06em;
}
.tile .tile-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
@media (min-width:992px){
  .tile.t-6{grid-column:span 6}
  .tile.t-3{grid-column:span 3}
}
.tile.t-6{display:flex;flex-direction:column}
.tile.t-6 .tile-img{
  width:100%;aspect-ratio:16/10;border-radius:var(--r-m);overflow:hidden;margin-bottom:20px;
  background:#f2f2f2;
}
.tile.t-6 .tile-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,.61,.36,1)}
.tile.t-6:hover .tile-img img{transform:scale(1.04)}
.tile.t-6 p{margin-bottom:18px}
.tile.t-6 .tile-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.cus-accordion .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-m);background:var(--c-surface);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
  transition:background .2s ease,border-color .2s ease;
}
.cus-accordion .accordion-item:hover{background:rgba(255,90,38,.04)}
.cus-accordion .accordion-header{margin:0}
.cus-accordion .accordion-button{
  width:100%;background:transparent;border:0;box-shadow:none;
  padding:20px 56px 20px 24px;font-size:16px;font-weight:600;color:var(--c-ink);
  text-align:left;line-height:1.6;position:relative;border-radius:0;
}
.cus-accordion .accordion-button:not(.collapsed){color:var(--c-brand);background:transparent}
.cus-accordion .accordion-button:focus{box-shadow:none;outline:none}
.cus-accordion .accordion-button::after{display:none}
.cus-accordion .accordion-button::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,90,38,.10);color:var(--c-brand);font-size:18px;font-weight:700;line-height:1;
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.cus-accordion .accordion-button:not(.collapsed)::before{transform:translateY(-50%) rotate(45deg);background:var(--c-brand);color:#fff}
.cus-accordion .accordion-body{
  padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
}
.cus-accordion .accordion-collapse{border-top:0}
.cus-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(255,90,38,.28);
}
.cus-accordion .accordion-item:has(.accordion-button:not(.collapsed))::before{content:""}

/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--c-deep);color:#fff;padding:44px 28px;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 90% at 84% 18%,rgba(255,90,38,.30),transparent 62%);
}
.cta-panel > *{position:relative;z-index:2}
.cta-panel h2{color:#fff;font-size:clamp(22px,3.2vw,30px);font-weight:700;line-height:1.25;margin-bottom:14px}
.cta-panel p{color:rgba(255,255,255,.74);max-width:640px;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media (min-width:992px){.cta-panel{padding:56px 52px}}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-deep);color:rgba(255,255,255,.66);
  padding:72px 0 32px;border-top:1px solid transparent;
  border-image:var(--grad-line) 1;position:relative;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-line)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .nav-logo{color:#fff;margin-bottom:14px}
.footer-slogan{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px;margin-bottom:18px}
.socials{display:flex;gap:10px}
.socials a{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid var(--c-line-d);
  color:#fff;font-size:14px;font-weight:700;transition:all .2s ease;
}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:10px;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.sub-form{display:flex;background:#fff;border-radius:var(--r-pill);padding:4px;gap:4px}
.sub-form input{
  flex:1;min-width:0;border:0;background:transparent;height:40px;padding:0 16px;
  font-size:14px;color:var(--c-ink);outline:none;
}
.sub-form input::placeholder{color:var(--c-ink-3)}
.sub-form .btn-brand{height:40px;padding:0 18px;font-size:14px}
.sub-form:focus-within{box-shadow:0 0 0 4px rgba(255,90,38,.20)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--c-line-d);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .36s ease-out,transform .36s ease-out}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none !important;transition-duration:.01ms !important}
}