/* roulang page: index */
:root{
  --brand-400:#FF8A4C; --brand-500:#FF5A1F; --brand-600:#E8420C; --brand-700:#C6330A;
  --accent-500:#2AD4C8; --gold-400:#FFD44D;
  --ink-900:#17121F; --ink-700:#2A2333; --ink-500:#5A5266; --ink-300:#9A93A3;
  --paper:#FFF8F3; --paper-2:#F4EDE7; --line:#E8DCD3;
  --grad-brand:linear-gradient(120deg,#FF5A1F 0%,#FF3D7F 55%,#8B5CF6 100%);
  --shadow-1:0 1px 2px rgba(23,18,31,.05), 0 8px 24px rgba(23,18,31,.06);
  --shadow-2:0 16px 40px rgba(255,90,31,.16);
  --r-card:20px; --r-big:26px; --r-btn:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink-700);
  font-family:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(255,138,76,.6);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:48px 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.sec-head h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
.sec-head p{font-size:14px;color:var(--ink-500);max-width:560px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--brand-600);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;border:1.5px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,filter .2s ease}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(255,90,31,.28);position:relative}
.btn-primary::after{content:"";position:absolute;inset:1px;border-radius:999px;border:1px solid rgba(255,255,255,.22);pointer-events:none}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 16px 36px rgba(255,90,31,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,90,31,.26)}
.btn-ghost{background:var(--paper);border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-400);background:rgba(255,90,31,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark{background:var(--ink-900);color:#fff}
.btn-dark:hover{background:#241b31;transform:translateY(-1px)}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px}
.link-arrow{font-size:14px;font-weight:600;color:var(--accent-500);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.link-arrow:hover{color:var(--brand-500)}

/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,248,243,.92);border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background-color .25s ease}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(255,248,243,.97)}
.nav-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;height:72px}
.nav-side{display:none;align-items:center;gap:26px}
.nav-side.left{justify-content:flex-start}
.nav-side.right{justify-content:flex-end}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;font-size:15px;color:var(--ink-700);font-weight:500;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:center;transition:transform .22s ease}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink-900);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.logo{display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.08;padding:4px 8px;border-radius:12px}
.logo-main{font-size:17px;font-weight:800;letter-spacing:-.01em;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.logo-sub{font-size:11px;font-weight:600;letter-spacing:.22em;color:var(--ink-500);margin-top:2px}
.menu-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:var(--paper);align-items:center}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{position:fixed;inset:0;z-index:70;background:var(--paper);display:none;flex-direction:column;padding:20px 20px 28px}
.drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-title{font-size:16px;font-weight:800;color:var(--ink-900)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink-700)}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-links a{display:flex;align-items:center;min-height:52px;padding:0 16px;border-radius:14px;border:1.5px solid var(--line);background:var(--paper-2);font-weight:600;color:var(--ink-900);font-size:15px}
.drawer-links a.active{border-color:var(--brand-400);background:rgba(255,90,31,.1);color:var(--brand-700)}
.drawer-cta{margin-top:auto;padding-top:20px}
@media(min-width:1024px){
  .nav-side{display:flex}
  .menu-toggle,.drawer{display:none}
  .logo-main{font-size:20px}
  .logo-sub{letter-spacing:.28em;font-size:12px}
}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--ink-900);color:var(--paper);padding:44px 0 64px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.hero::before{width:520px;height:520px;left:-160px;top:-180px;background:radial-gradient(circle,rgba(255,90,31,.22),transparent 70%)}
.hero::after{width:460px;height:460px;right:-140px;bottom:-180px;background:radial-gradient(circle,rgba(42,212,200,.14),transparent 70%)}
.hero-inner{position:relative;display:grid;gap:36px;align-items:center}
@media(min-width:1024px){
  .hero{padding:64px 0 96px}
  .hero-inner{grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:56px}
}
.phone-frame{position:relative;width:100%;max-width:290px;margin:0 auto;aspect-ratio:9/16;border-radius:32px;overflow:hidden;border:1px solid rgba(255,255,255,.22);box-shadow:0 0 0 1px rgba(255,90,31,.28),0 30px 70px rgba(0,0,0,.5)}
.phone-frame img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.phone-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,18,31,.15) 0%,rgba(23,18,31,.05) 40%,rgba(23,18,31,.82) 100%)}
.phone-badge-top{position:absolute;top:14px;left:14px;z-index:2;display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:rgba(23,18,31,.62);border:1px solid rgba(255,212,77,.5);font-size:12px;font-weight:600;color:var(--gold-400)}
.phone-badge-time{position:absolute;right:14px;bottom:14px;z-index:2;padding:5px 11px;border-radius:999px;background:rgba(23,18,31,.72);font-size:12px;font-weight:600;color:var(--paper)}
.phone-play{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.94);display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(0,0,0,.35);transition:transform .22s ease}
.phone-play svg{width:22px;height:22px;fill:var(--brand-600);margin-left:3px}
.phone-frame:hover .phone-play{transform:translate(-50%,-50%) scale(1.08)}
.hero h1{font-size:28px;line-height:1.32;font-weight:800;letter-spacing:-.02em;color:#fff;margin:14px 0 16px}
@media(min-width:1024px){.hero h1{font-size:40px;line-height:1.2}}
.hero-sub{font-size:17px;color:rgba(255,248,243,.82);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px}
.hero-actions .btn{flex:1 1 auto}
@media(min-width:640px){.hero-actions .btn{flex:0 0 auto}}
.hero-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;max-width:620px}
.stat-pill{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:999px;background:rgba(255,248,243,.08);border:1px solid rgba(255,248,243,.16)}
.stat-pill b{font-size:18px;color:#fff;font-weight:800}
.stat-pill span{font-size:13px;color:rgba(255,248,243,.72)}
.dot-brand{width:8px;height:8px;border-radius:50%;background:var(--brand-500)}
.dot-accent{width:8px;height:8px;border-radius:50%;background:var(--accent-500)}
.dot-gold{width:8px;height:8px;border-radius:50%;background:var(--gold-400)}

/* Rail */
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 220px;scroll-snap-align:start}
@media(min-width:1024px){.rail-card{flex:0 0 240px}}
.clip-card{position:relative;display:block;border-radius:var(--r-card);overflow:hidden;background:var(--ink-900);box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.clip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.clip-media{position:relative;aspect-ratio:3/4;overflow:hidden}
.clip-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.clip-card:hover .clip-media img{transform:scale(1.03)}
.clip-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,18,31,.05) 30%,rgba(23,18,31,.86) 100%)}
.clip-tag{position:absolute;top:12px;left:12px;z-index:2;padding:4px 10px;border-radius:999px;border:1px solid rgba(42,212,200,.7);background:rgba(23,18,31,.55);font-size:12px;font-weight:600;color:var(--accent-500)}
.clip-time{position:absolute;top:12px;right:12px;z-index:2;padding:4px 10px;border-radius:999px;background:rgba(23,18,31,.68);font-size:12px;color:var(--paper)}
.clip-info{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:14px 14px 16px}
.clip-info h3{font-size:15px;line-height:1.45;font-weight:600;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-info p{margin-top:8px;font-size:12px;color:var(--gold-400);font-weight:600}
.rail-hint{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500)}

/* 种草清单 */
.list-grid{display:grid;gap:20px}
@media(min-width:900px){
  .list-grid{grid-template-columns:1.2fr .8fr;grid-auto-rows:minmax(0,1fr)}
  .list-main{grid-row:span 2}
}
.pick-main{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-big);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.pick-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.pick-main-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.pick-main-media img{width:100%;height:100%;object-fit:cover;object-position:center 35%}
.pick-main-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,18,31,0) 45%,rgba(23,18,31,.55) 100%)}
.pick-index{position:absolute;left:20px;bottom:16px;z-index:2;font-size:44px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px rgba(255,248,243,.9);letter-spacing:-.02em}
.pick-main-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.pick-main-body h3{font-size:20px;font-weight:700;color:var(--ink-900);line-height:1.4}
.pick-main-body p{font-size:15px;color:var(--ink-500)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;border:1px solid var(--line);background:var(--paper-2);font-size:12px;font-weight:600;color:var(--ink-500)}
.tag-brand{border-color:rgba(255,90,31,.35);background:rgba(255,90,31,.1);color:var(--brand-700)}
.tag-accent{border-color:rgba(42,212,200,.4);background:rgba(42,212,200,.12);color:#137a72}
.pick-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-300)}
.pick-row{display:grid;grid-template-columns:40% 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pick-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-400)}
.pick-row-media{position:relative;min-height:150px;overflow:hidden}
.pick-row-media img{width:100%;height:100%;object-fit:cover;object-position:center 40%;transition:transform .35s ease}
.pick-row:hover .pick-row-media img{transform:scale(1.03)}
.pick-row-body{padding:18px;display:flex;flex-direction:column;gap:8px}
.pick-row-body h3{font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.45}
.pick-row-body p{font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 分类速览 */
.cat-strip{display:grid;gap:16px}
@media(min-width:768px){.cat-strip{grid-template-columns:repeat(3,minmax(0,1fr))}}
.cat-pill{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.cat-pill:hover{transform:translateY(-2px);border-color:var(--brand-400);box-shadow:var(--shadow-2)}
.cat-pill strong{display:block;font-size:16px;color:var(--ink-900);font-weight:700}
.cat-pill em{display:block;font-style:normal;font-size:13px;color:var(--ink-500);margin-top:2px}
.cat-count{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-width:52px;height:34px;padding:0 12px;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:13px;font-weight:700}

/* 口碑 */
.review-rail{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;scrollbar-width:none}
.review-rail::-webkit-scrollbar{display:none}
.review-card{flex:0 0 272px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-1);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.review-card:hover{border-color:var(--brand-400);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;background:var(--grad-brand);flex:0 0 auto}
.review-name{font-size:14px;font-weight:700;color:var(--ink-900)}
.review-sub{font-size:12px;color:var(--ink-300)}
.stars{color:var(--gold-400);font-size:13px;letter-spacing:2px;margin-bottom:8px}
.review-card p{font-size:14px;color:var(--ink-500)}

/* CMS 列表 */
.post-grid{display:grid;gap:22px}
@media(min-width:640px){.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-400)}
.post-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--paper-2)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;line-height:1.5;font-weight:700;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a:hover{color:var(--brand-600)}
.post-body p{font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-300)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:56px 24px;border:1.5px dashed var(--line);border-radius:var(--r-big);background:#fff;text-align:center}
.empty-mark{width:72px;height:72px;border-radius:22px;background:var(--grad-brand);opacity:.9;display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;font-weight:800}
.empty-state p{font-size:15px;color:var(--ink-500)}

/* CTA 带 */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-big);background:var(--grad-brand);padding:40px 26px;color:#fff;box-shadow:0 20px 50px rgba(255,90,31,.28)}
.cta-band::after{content:"";position:absolute;width:340px;height:340px;right:-120px;top:-140px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.28),transparent 70%)}
.cta-band-inner{position:relative;display:flex;flex-direction:column;gap:20px}
.cta-band h2{font-size:24px;font-weight:800;line-height:1.35;letter-spacing:-.01em}
.cta-band p{font-size:15px;color:rgba(255,255,255,.88);max-width:620px}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.24);border-color:#fff}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media(min-width:900px){
  .cta-band{padding:52px 48px}
  .cta-band-inner{flex-direction:row;align-items:center;justify-content:space-between}
  .cta-band h2{font-size:30px}
  .cta-actions{flex:0 0 auto}
}

/* FAQ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-big);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;padding:16px 22px;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink-900);transition:background-color .2s ease}
.faq-item summary:hover{background:rgba(255,90,31,.06)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--brand-500);font-weight:400;transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;color:var(--ink-500);max-width:840px}

/* 数据徽章条 */
.data-band{background:var(--ink-900);color:var(--paper);border-radius:var(--r-big);padding:28px 24px}
.data-grid{display:grid;gap:18px}
@media(min-width:768px){.data-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.data-item{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-radius:18px;background:rgba(255,248,243,.06);border:1px solid rgba(255,248,243,.12)}
.data-item b{font-size:24px;font-weight:800;color:#fff}
.data-item span{font-size:13px;color:rgba(255,248,243,.7)}
.pulse{animation:pulseGlow 2.6s ease-in-out infinite}
@keyframes pulseGlow{0%,100%{opacity:1}50%{opacity:.66}}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* Footer */
.site-footer{background:var(--ink-900);color:rgba(255,248,243,.78);border-top:2px solid;border-image:var(--grad-brand) 1;margin-top:64px}
.footer-grid{display:grid;gap:32px;padding:56px 0 32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-brand{font-size:18px;font-weight:800;color:#fff;line-height:1.4}
.footer-note{font-size:14px;color:rgba(255,248,243,.66);margin-top:12px;max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:var(--accent-500);letter-spacing:.06em;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,248,243,.72);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,248,243,.14);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,248,243,.55)}
.notice{font-size:13px;color:rgba(255,248,243,.6);margin-top:14px;line-height:1.7}

/* roulang page: article */
:root{
  --brand-400:#FF8A4C;
  --brand-500:#FF5A1F;
  --brand-600:#E8420C;
  --brand-700:#C6330A;
  --accent-500:#2AD4C8;
  --gold-400:#FFD44D;
  --ink-900:#17121F;
  --ink-700:#2A2333;
  --ink-500:#5A5266;
  --ink-300:#9A93A3;
  --paper:#FFF8F3;
  --paper-2:#F4EDE7;
  --line:#E8DCD3;
  --grad-brand:linear-gradient(120deg,#FF5A1F 0%,#FF3D7F 55%,#8B5CF6 100%);
  --shadow-1:0 1px 2px rgba(23,18,31,.05), 0 8px 24px rgba(23,18,31,.06);
  --shadow-2:0 16px 40px rgba(255,90,31,.16);
  --radius-card:20px;
  --radius-lg:26px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--ink-700);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.25;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.tnum{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid rgba(255,138,76,.85);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--nav-h);
  background:rgba(255,248,243,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(6px);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-1);background:rgba(255,248,243,.98)}
.nav-grid{
  height:100%;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side.right{justify-content:flex-end}
.nav-link{
  position:relative;
  font-size:15px;font-weight:600;color:var(--ink-700);
  padding:8px 2px;min-height:44px;display:inline-flex;align-items:center;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease;border-radius:2px;
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink-900);font-weight:800}
.nav-link.active::after{transform:scaleX(1)}
.logo{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  line-height:1.05;padding:6px 10px;border-radius:14px;
  transition:background .2s ease;
}
.logo:hover{background:rgba(255,90,31,.07)}
.logo-main{font-size:19px;font-weight:800;color:var(--ink-900);letter-spacing:.02em}
.logo-sub{font-size:11px;font-weight:600;color:var(--brand-600);letter-spacing:.28em;margin-top:3px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  justify-self:end;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* drawer */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:var(--paper);
  padding:18px 20px 24px;
  display:flex;flex-direction:column;gap:18px;
  transform:translateY(-14px);opacity:0;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
}
.drawer.open{opacity:1;transform:none;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px}
.drawer-title{font-weight:800;color:var(--ink-900);font-size:16px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);font-size:20px;line-height:1;color:var(--ink-700);background:#fff}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:center;text-align:center;
  min-height:56px;padding:10px 12px;border-radius:16px;
  border:1px solid var(--line);background:#fff;font-weight:700;color:var(--ink-900);font-size:15px;
  transition:border-color .2s ease,transform .2s ease;
}
.drawer-nav a:hover{border-color:var(--brand-400);transform:translateY(-2px)}
.drawer-cta{margin-top:auto;width:100%;justify-content:center}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 10px 24px rgba(255,90,31,.28);
  border:1px solid rgba(255,255,255,.22);
}
.btn-primary:hover{filter:brightness(1.05);box-shadow:var(--shadow-2);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{
  border:1.5px solid var(--line);background:#fff;color:var(--ink-900);
}
.btn-ghost:hover{border-color:var(--brand-400);background:rgba(255,90,31,.08)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px}

/* ============ badges / chips ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:16px;
  background:var(--paper-2);color:var(--ink-700);border:1px solid var(--line);
}
.badge-accent{border-color:rgba(42,212,200,.5);color:#137a72;background:rgba(42,212,200,.12)}
.badge-brand{border-color:rgba(255,90,31,.35);color:var(--brand-700);background:rgba(255,90,31,.1)}
.badge-gold{border-color:rgba(255,212,77,.7);color:#8a6a00;background:rgba(255,212,77,.22)}

/* ============ breadcrumb ============ */
.crumb{margin:26px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500)}
.crumb a{color:var(--ink-500);transition:color .2s ease}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:var(--ink-300)}
.crumb .current{color:var(--ink-900);font-weight:600}

/* ============ article head ============ */
.post-head{padding:26px 0 34px;border-bottom:1px solid var(--line)}
.post-title{
  font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--ink-900);
  margin:14px 0 16px;line-height:1.28;
}
@media(min-width:768px){.post-title{font-size:38px;line-height:1.22}}
@media(min-width:1024px){.post-title{font-size:42px}}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13.5px;color:var(--ink-500)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-300)}
.post-source{
  margin-top:18px;display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:16px;background:#fff;border:1px solid var(--line);
}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.post-source b{display:block;font-size:14px;color:var(--ink-900)}
.post-source span{font-size:12.5px;color:var(--ink-500)}

.cover-strip{
  margin-top:28px;border-radius:var(--radius-lg);overflow:hidden;position:relative;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.cover-strip img{width:100%;height:260px;object-fit:cover;object-position:center 38%}
@media(min-width:768px){.cover-strip img{height:340px}}

/* ============ article body ============ */
.article-wrap{display:block;padding:44px 0 20px}
@media(min-width:1024px){.article-wrap{padding:56px 0 24px}}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--ink-700)}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:23px;font-weight:700;color:var(--ink-900);
  margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--brand-500);line-height:1.4;
}
.article-body h3{font-size:18.5px;font-weight:700;color:var(--ink-900);margin:1.6em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.25em}
.article-body ul li{list-style:disc;margin:.42em 0}
.article-body ol li{list-style:decimal;margin:.42em 0}
.article-body a{color:var(--brand-600);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.article-body a:hover{color:var(--brand-700)}
.article-body img{border-radius:16px;margin:1.2em 0;border:1px solid var(--line)}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;border-radius:0 16px 16px 0;
  border-left:4px solid var(--accent-500);background:var(--paper-2);color:var(--ink-700);
}
.article-body code{background:var(--paper-2);padding:2px 7px;border-radius:6px;font-size:14.5px}
.article-body strong{color:var(--ink-900)}
.article-body table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:15px;overflow:hidden;border-radius:14px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--paper-2);font-weight:700;color:var(--ink-900)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* empty state */
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;
  padding:48px 24px;border-radius:var(--radius-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.empty-art{
  width:84px;height:84px;margin:0 auto 18px;border-radius:24px;
  background:var(--grad-brand);opacity:.9;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:30px;font-weight:800;
}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--ink-500);font-size:15px;margin-bottom:20px}

/* tags */
.tag-row{max-width:760px;margin:34px auto 0;padding-top:22px;border-top:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .label{font-size:13px;color:var(--ink-500);font-weight:700;margin-right:4px}
.tag{
  display:inline-flex;align-items:center;min-height:34px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-700);font-weight:600;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{border-color:var(--brand-400);color:var(--brand-700);transform:translateY(-2px)}

/* ============ sections ============ */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:76px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:24px}
@media(min-width:768px){.section-head h2{font-size:27px}}
.section-head p{font-size:14px;color:var(--ink-500);margin-top:8px}

.rec-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:640px){.rec-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
.rec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-400)}
.rec-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,18,31,0) 45%,rgba(23,18,31,.55) 100%)}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:17px;line-height:1.45}
.rec-body p{font-size:14px;color:var(--ink-500);line-height:1.75}
.rec-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-300)}

/* prev / next */
.pn-grid{display:grid;gap:16px;grid-template-columns:1fr;margin-top:10px}
@media(min-width:768px){.pn-grid{grid-template-columns:repeat(2,1fr)}}
.pn-card{
  display:flex;flex-direction:column;gap:6px;padding:20px 22px;border-radius:var(--radius-card);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-400)}
.pn-card span{font-size:12px;font-weight:700;color:var(--accent-500);letter-spacing:.06em}
.pn-card b{font-size:16px;color:var(--ink-900);font-weight:700;line-height:1.5}
.pn-card em{font-style:normal;font-size:13px;color:var(--ink-500)}
.back-row{display:flex;justify-content:center;margin-top:26px}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--ink-900);color:#fff;padding:46px 26px;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:320px;
  background:radial-gradient(circle at 22% 40%,rgba(255,90,31,.42),transparent 62%),
             radial-gradient(circle at 78% 30%,rgba(42,212,200,.26),transparent 60%);
}
.cta-band > *{position:relative}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:14px}
.cta-band p{color:rgba(255,248,243,.78);max-width:620px;margin:0 auto 26px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-band .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff}
.cta-stats{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}
.stat-pill{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:9px 18px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,248,243,.85);
}
.stat-pill b{font-size:18px;color:var(--gold-400);font-weight:800}

/* ============ footer ============ */
.site-footer{
  margin-top:70px;background:var(--ink-900);color:rgba(255,248,243,.82);
  border-top:2px solid transparent;
  border-image:var(--grad-brand) 1;
  padding:52px 0 26px;
}
.footer-grid{display:grid;gap:30px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{font-size:19px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-note{font-size:13.5px;line-height:1.85;color:rgba(255,248,243,.72)}
.notice{font-size:12.5px;line-height:1.8;color:rgba(255,248,243,.5);margin-top:12px}
.footer-title{font-size:14px;font-weight:700;color:var(--accent-500);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:13.5px;color:rgba(255,248,243,.78);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--brand-400);transform:translateX(3px)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,248,243,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,248,243,.5);
}

/* ============ responsive nav ============ */
@media(max-width:899px){
  :root{--nav-h:64px}
  .nav-side{display:none}
  .nav-grid{grid-template-columns:44px 1fr 44px}
  .logo{grid-column:2;justify-self:center}
  .menu-toggle{display:flex}
  .logo-main{font-size:17px}
  .logo-sub{font-size:10px;letter-spacing:.24em}
}
@media(min-width:900px){.drawer{display:none}}
@media(max-width:520px){
  .post-title{font-size:26px}
  .cta-band{padding:36px 18px}
  .cta-band h2{font-size:22px}
  .article-body{font-size:16.5px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --brand-400:#FF8A4C; --brand-500:#FF5A1F; --brand-600:#E8420C; --brand-700:#C6330A;
  --accent-500:#2AD4C8;
  --gold-400:#FFD44D;
  --ink-900:#17121F; --ink-700:#2A2333; --ink-500:#5A5266; --ink-300:#9A93A3;
  --paper:#FFF8F3; --paper-2:#F4EDE7; --line:#E8DCD3;
  --grad-brand:linear-gradient(120deg,#FF5A1F 0%,#FF3D7F 55%,#8B5CF6 100%);
  --shadow-1:0 1px 2px rgba(23,18,31,.05),0 8px 24px rgba(23,18,31,.06);
  --shadow-2:0 16px 40px rgba(255,90,31,.16);
  --radius-card:20px; --radius-big:26px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;background:var(--paper);color:var(--ink-700);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid rgba(255,138,76,.75);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:640px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}
.num{font-variant-numeric:tabular-nums}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,248,243,.94);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-1);background:rgba(255,248,243,.98)}
.nav-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:12px}
.nav-side{display:flex;align-items:center;gap:4px;min-width:0}
.nav-side.right{justify-content:flex-end}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--ink-700);white-space:nowrap;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand-600);background:rgba(255,90,31,.08)}
.nav-link.active{color:var(--ink-900);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--brand-500);
}
.logo{display:flex;flex-direction:column;align-items:center;line-height:1.05;padding:6px 10px;border-radius:14px}
.logo-main{
  font-size:20px;font-weight:800;letter-spacing:-.02em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.logo-sub{font-size:11px;letter-spacing:.3em;color:var(--ink-500);margin-top:4px;font-weight:600}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;border:1px solid var(--line);background:#fff;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700);transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1023px){
  .nav-grid{display:flex;justify-content:center;height:64px;position:relative}
  .nav-side{display:none}
  .menu-toggle{display:flex;position:absolute;right:0;top:50%;transform:translateY(-50%)}
}
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink-900);color:#FFF8F3;
  display:flex;flex-direction:column;padding:24px 20px;transform:translateY(-102%);
  transition:transform .3s ease;visibility:hidden;
}
.mobile-drawer.open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,248,243,.16)}
.drawer-brand{font-size:18px;font-weight:800;letter-spacing:-.01em}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,248,243,.25);color:#FFF8F3;font-size:20px;line-height:1}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.drawer-grid a{
  display:flex;align-items:center;min-height:52px;padding:0 16px;border-radius:14px;
  background:rgba(255,248,243,.08);font-size:15px;font-weight:600;transition:background .2s ease;
}
.drawer-grid a:hover{background:rgba(255,90,31,.28)}
.drawer-grid a.active{background:var(--grad-brand);color:#fff}
.drawer-cta{margin-top:auto;padding-top:24px}
.drawer-cta .btn{width:100%;justify-content:center}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;
  border-radius:999px;font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  color:#fff;background-image:var(--grad-brand);box-shadow:var(--shadow-2);
  border:1px solid rgba(255,255,255,.28);
}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 20px 46px rgba(255,90,31,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 20px rgba(255,90,31,.22)}
.btn-ghost{
  color:var(--ink-900);background:var(--paper);border:1.5px solid var(--line);
}
.btn-ghost:hover{border-color:var(--brand-400);background:rgba(255,90,31,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--brand-600);font-weight:700;
  border-bottom:2px solid transparent;transition:border-color .2s ease,color .2s ease;
}
.btn-text:hover{border-bottom-color:var(--accent-500);color:var(--brand-700)}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px}

/* ===== badges ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.4;border:1px solid var(--line);background:#fff;color:var(--ink-500);
}
.badge-accent{border-color:rgba(42,212,200,.55);color:#0E8F86;background:rgba(42,212,200,.10)}
.badge-brand{border-color:rgba(255,90,31,.4);color:var(--brand-600);background:rgba(255,90,31,.09)}
.badge-gold{border-color:rgba(255,212,77,.7);color:#8A6200;background:rgba(255,212,77,.22)}
.badge-dark{background:rgba(23,18,31,.06);border-color:transparent;color:var(--ink-700)}

/* ===== hero ===== */
.page-hero{
  position:relative;overflow:hidden;background:var(--ink-900);color:#FFF8F3;
  border-bottom:1px solid rgba(255,248,243,.08);
}
.page-hero::before{
  content:"";position:absolute;width:640px;height:640px;left:-160px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.28),rgba(255,90,31,0) 68%);pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;width:560px;height:560px;right:-180px;bottom:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(42,212,200,.18),rgba(42,212,200,0) 70%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;gap:40px;padding:56px 0 64px;align-items:center}
@media (min-width:1024px){.hero-inner{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;padding:72px 0 84px}}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,248,243,.1);border:1px solid rgba(255,248,243,.18);font-size:13px;color:#FFE3D4}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:block;box-shadow:0 0 0 4px rgba(42,212,200,.18)}
.hero-h1{
  margin-top:20px;font-size:28px;line-height:1.32;font-weight:800;letter-spacing:-.02em;color:#fff;
}
@media (min-width:768px){.hero-h1{font-size:36px;line-height:1.26}}
@media (min-width:1024px){.hero-h1{font-size:44px;line-height:1.2}}
.hero-h1 em{font-style:normal;background:linear-gradient(100deg,#FFB37A,#FF5A1F 45%,#2AD4C8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,248,243,.78);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-actions .btn-ghost{background:rgba(255,248,243,.06);color:#FFF8F3;border-color:rgba(255,248,243,.3)}
.hero-actions .btn-ghost:hover{background:rgba(255,248,243,.15);border-color:#FFB37A}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;padding:10px 16px;border-radius:14px;
  background:rgba(255,248,243,.07);border:1px solid rgba(255,248,243,.14);
}
.stat-pill b{font-size:20px;font-weight:800;color:var(--gold-400);font-variant-numeric:tabular-nums}
.stat-pill span{font-size:13px;color:rgba(255,248,243,.72)}
.hero-visual{position:relative}
.phone-frame{
  position:relative;border-radius:32px;overflow:hidden;border:1px solid rgba(255,248,243,.28);
  box-shadow:0 24px 70px rgba(0,0,0,.45),0 0 0 1px rgba(255,138,76,.25);
  aspect-ratio:3/4;max-width:420px;margin:0 auto;background:#0F0B16;
}
.phone-frame img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.phone-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,18,31,.15) 0%,rgba(23,18,31,.1) 42%,rgba(23,18,31,.86) 100%);
}
.frame-top{position:absolute;top:16px;left:16px;right:16px;display:flex;justify-content:space-between;z-index:3}
.frame-play{
  position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);
  width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,248,243,.92);color:var(--brand-600);font-size:22px;box-shadow:0 12px 32px rgba(0,0,0,.35);
}
.frame-bottom{position:absolute;z-index:3;left:18px;right:18px;bottom:18px;color:#fff}
.frame-bottom h3{font-size:17px;font-weight:700;line-height:1.45}
.frame-bottom p{margin-top:6px;font-size:13px;color:rgba(255,248,243,.75)}

/* ===== breadcrumb ===== */
.crumb{padding:20px 0 0;font-size:13px;color:var(--ink-500);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:var(--ink-300)}
.crumb .now{color:var(--ink-900);font-weight:600}

/* ===== layout with toc ===== */
.layout{display:grid;grid-template-columns:1fr;gap:32px;padding:28px 0 64px}
@media (min-width:1024px){.layout{grid-template-columns:252px minmax(0,1fr);gap:44px;padding:36px 0 88px}}
.toc{min-width:0}
@media (min-width:1024px){.toc{position:sticky;top:96px;align-self:start}}
.toc-title{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--ink-300);margin-bottom:12px}
.toc-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;-ms-overflow-style:none}
.toc-list::-webkit-scrollbar{display:none}
@media (min-width:1024px){.toc-list{flex-direction:column;overflow:visible;gap:4px;padding-bottom:0}}
.anchor-link{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 14px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--ink-500);background:#fff;border:1px solid var(--line);
  white-space:nowrap;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease;
}
@media (min-width:1024px){.anchor-link{background:transparent;border-color:transparent;border-left:3px solid transparent;border-radius:0 12px 12px 0;padding-left:14px}}
.anchor-link:hover{color:var(--brand-600);background:rgba(255,90,31,.08);border-color:rgba(255,90,31,.35)}
.anchor-link.active{color:var(--brand-600);background:rgba(255,90,31,.1);border-color:var(--brand-500)}
@media (min-width:1024px){.anchor-link.active{border-left-color:var(--brand-500);border-radius:0 12px 12px 0}}
.anchor-link i{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.5;display:block;flex:none}
.anchor-link.active i{opacity:1;background:var(--brand-500)}
.toc-card{
  margin-top:20px;padding:18px;border-radius:18px;background:linear-gradient(150deg,rgba(255,90,31,.1),rgba(42,212,200,.1));
  border:1px solid var(--line);display:none;
}
@media (min-width:1024px){.toc-card{display:block}}
.toc-card p{font-size:13px;line-height:1.7;color:var(--ink-500)}
.toc-card .btn{width:100%;margin-top:14px}

/* ===== content stream ===== */
.lead{
  font-size:17px;line-height:1.9;color:var(--ink-700);padding:22px 24px;border-radius:var(--radius-card);
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand-500);box-shadow:var(--shadow-1);
}
.section{padding-top:56px}
.section:first-child{padding-top:24px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:22px}
.section-head h2{font-size:24px;line-height:1.35;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
@media (min-width:768px){.section-head h2{font-size:26px}}
.section-head p{font-size:14px;color:var(--ink-500);margin-top:6px;max-width:640px}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-big);padding:24px;
  box-shadow:var(--shadow-1);transition:box-shadow .2s ease,transform .2s ease;
}
@media (min-width:768px){.panel{padding:28px}}
.panel:hover{box-shadow:0 12px 34px rgba(23,18,31,.09)}
.panel p{font-size:16px;line-height:1.85;color:var(--ink-700)}
.panel p + p{margin-top:1em}

.grid-3{display:grid;gap:20px}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

.way-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.way-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-400)}
.way-index{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;
  background:rgba(255,90,31,.1);color:var(--brand-600);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.way-card h3{margin-top:16px;font-size:18px;font-weight:600;color:var(--ink-900)}
.way-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-500)}
.way-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

.device-list{display:grid;gap:14px}
.device-item{
  display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border-radius:18px;background:var(--paper-2);
  border:1px solid var(--line);transition:background .2s ease,border-color .2s ease;
}
.device-item:hover{background:#fff;border-color:var(--brand-400)}
.device-item .dot{
  flex:none;width:10px;height:10px;border-radius:50%;margin-top:9px;background:var(--accent-500);
  box-shadow:0 0 0 5px rgba(42,212,200,.16);
}
.device-item h3{font-size:16px;font-weight:700;color:var(--ink-900)}
.device-item p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--ink-500)}

.entry-list{display:grid;gap:14px}
.entry-row{
  display:grid;grid-template-columns:88px minmax(0,1fr);gap:16px;align-items:center;padding:14px;
  border-radius:18px;background:#fff;border:1px solid var(--line);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:var(--brand-400)}
.entry-row img{width:88px;height:72px;object-fit:cover;border-radius:14px}
.entry-row .obj-1{object-position:left center}
.entry-row .obj-2{object-position:center 35%}
.entry-row .obj-3{object-position:right center}
.entry-row h3{font-size:16px;font-weight:700;color:var(--ink-900)}
.entry-row p{margin-top:4px;font-size:14px;line-height:1.75;color:var(--ink-500)}
.entry-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
@media (min-width:640px){
  .entry-row{grid-template-columns:132px minmax(0,1fr);gap:20px;padding:16px}
  .entry-row img{width:132px;height:96px}
}

.faq-list{border:1px solid var(--line);border-radius:var(--radius-big);overflow:hidden;background:#fff;box-shadow:var(--shadow-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  min-height:56px;padding:14px 22px;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background .2s ease;
}
.faq-q:hover{background:rgba(255,90,31,.06)}
.faq-q .sign{
  flex:none;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,90,31,.1);color:var(--brand-600);font-size:16px;font-weight:700;transition:transform .25s ease;
}
.faq-item.open .faq-q .sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-500)}

.cta-band{
  margin-top:56px;position:relative;overflow:hidden;border-radius:var(--radius-big);padding:36px 24px;color:#fff;
  background-image:var(--grad-brand);box-shadow:var(--shadow-2);
}
@media (min-width:768px){.cta-band{padding:48px 44px}}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),rgba(255,255,255,0) 70%);
}
.cta-band .inner{position:relative;z-index:2;display:grid;gap:24px;align-items:center}
@media (min-width:900px){.cta-band .inner{grid-template-columns:minmax(0,1.4fr) auto}}
.cta-band h2{font-size:24px;font-weight:800;letter-spacing:-.01em}
@media (min-width:768px){.cta-band h2{font-size:28px}}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.9);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-primary{background-image:none;background:#17121F;border-color:rgba(255,255,255,.25)}
.cta-actions .btn-primary:hover{box-shadow:0 18px 40px rgba(23,18,31,.35)}
.cta-actions .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.24);border-color:#fff}

/* ===== footer ===== */
.site-footer{
  margin-top:72px;background:var(--ink-900);color:#FFF8F3;border-top:2px solid transparent;
  border-image:var(--grad-brand) 1;
}
.footer-grid{display:grid;gap:32px;padding:52px 0 36px}
@media (min-width:720px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px}}
.footer-brand{font-size:19px;font-weight:800;letter-spacing:-.01em;color:#fff}
.footer-note{margin-top:12px;font-size:14px;line-height:1.85;color:rgba(255,248,243,.66);max-width:340px}
.notice{margin-top:14px;font-size:12.5px;line-height:1.8;color:rgba(255,248,243,.5)}
.footer-title{font-size:14px;font-weight:700;color:var(--accent-500);margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,248,243,.72);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--brand-400);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  padding:18px 0 30px;border-top:1px solid rgba(255,248,243,.12);font-size:13px;color:rgba(255,248,243,.55);
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --brand-400:#FF8A4C;
  --brand-500:#FF5A1F;
  --brand-600:#E8420C;
  --brand-700:#C6330A;
  --accent-500:#2AD4C8;
  --gold-400:#FFD44D;
  --ink-900:#17121F;
  --ink-700:#2A2333;
  --ink-500:#5A5266;
  --ink-300:#9A93A3;
  --paper:#FFF8F3;
  --paper-2:#F4EDE7;
  --line:#E8DCD3;
  --grad-brand:linear-gradient(120deg,#FF5A1F 0%,#FF3D7F 55%,#8B5CF6 100%);
  --shadow-1:0 1px 2px rgba(23,18,31,.05), 0 8px 24px rgba(23,18,31,.06);
  --shadow-2:0 16px 40px rgba(255,90,31,.16);
  --r-sm:12px;
  --r-card:20px;
  --r-lg:26px;
  --r-pill:999px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.72;
  color:var(--ink-700);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(255,138,76,.75);outline-offset:3px;border-radius:6px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,248,243,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
  backdrop-filter:saturate(140%) blur(6px);
}
.site-header.is-stuck{box-shadow:var(--shadow-1)}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:12px;
  height:72px;
}
.nav-side{display:flex;align-items:center;gap:4px}
.nav-side.right{justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--ink-500);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink-900);background:rgba(255,90,31,.08)}
.nav-link.active{color:var(--ink-900);font-weight:700}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
}
.logo{
  display:flex;
  flex-direction:column;
  align-items:center;
  line-height:1.08;
  padding:4px 8px;
}
.logo-main{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink-900)}
.logo-sub{
  font-size:11px;
  font-weight:600;
  letter-spacing:.32em;
  color:var(--brand-600);
  padding-left:.32em;
}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.menu-toggle:hover{border-color:var(--brand-400);box-shadow:var(--shadow-1)}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700);transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer{
  position:fixed;
  inset:0;
  z-index:70;
  background:var(--ink-900);
  color:#fff;
  padding:88px 20px 24px;
  display:flex;
  flex-direction:column;
  gap:24px;
  transform:translateY(-102%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer-close{
  position:absolute;
  top:20px;
  right:20px;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.25);
  color:#fff;
  font-size:20px;
  line-height:1;
}
.drawer-title{font-size:13px;letter-spacing:.24em;color:var(--accent-500);font-weight:600}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-grid a{
  display:flex;
  align-items:center;
  min-height:56px;
  padding:12px 16px;
  border-radius:16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  font-size:15px;
  font-weight:600;
  transition:background .2s ease,border-color .2s ease;
}
.drawer-grid a:hover{background:rgba(255,90,31,.2);border-color:var(--brand-400)}
.drawer-grid a.active{border-color:var(--brand-500);background:rgba(255,90,31,.18)}
.drawer-cta{margin-top:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  color:#fff;
  background-image:var(--grad-brand);
  box-shadow:0 10px 26px rgba(255,90,31,.28);
  border:1px solid rgba(255,255,255,.22);
}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 16px 34px rgba(255,90,31,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,31,.26)}
.btn-ghost{
  color:var(--ink-900);
  background:var(--paper);
  border:1.5px solid var(--line);
}
.btn-ghost:hover{border-color:var(--brand-400);background:rgba(255,90,31,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px}

/* ---------- breadcrumb ---------- */
.crumb-wrap{padding:18px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--ink-500)}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--brand-500)}
.crumb .sep{color:var(--ink-300)}
.crumb .current{color:var(--ink-900);font-weight:600}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  padding:36px 0 56px;
  background:
    radial-gradient(760px 380px at 12% -10%, rgba(255,90,31,.22), transparent 62%),
    radial-gradient(620px 320px at 88% 8%, rgba(42,212,200,.14), transparent 60%),
    var(--ink-900);
  color:#fff;
  overflow:hidden;
  border-bottom-left-radius:32px;
  border-bottom-right-radius:32px;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 -1px 0;
  height:68px;
  background:linear-gradient(180deg,rgba(23,18,31,0),rgba(23,18,31,.55));
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
  padding-top:16px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(42,212,200,.5);
  color:var(--accent-500);
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  background:rgba(42,212,200,.08);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500);animation:pulse 2.2s ease-in-out infinite}
.page-title{
  margin-top:18px;
  font-size:40px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
}
.page-title .grad{
  background-image:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.76);
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.stat-pill{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:12px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  min-width:132px;
}
.stat-num{
  font-size:20px;
  font-weight:800;
  color:var(--gold-400);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.stat-label{font-size:12px;color:rgba(255,255,255,.68);letter-spacing:.04em}

.hero-media{
  position:relative;
  border-radius:32px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 26px 60px rgba(0,0,0,.42), 0 0 0 1px rgba(255,255,255,.06) inset;
  background:var(--ink-700);
}
.hero-media img{
  width:100%;
  height:420px;
  object-fit:cover;
  object-position:center 28%;
  transform:scale(1.02);
  transition:transform .6s ease;
}
.hero-media:hover img{transform:scale(1.06)}
.hero-media::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(23,18,31,.08) 0%,rgba(23,18,31,.72) 78%,rgba(23,18,31,.9) 100%);
  z-index:1;
}
.media-badge{
  position:absolute;
  z-index:2;
  top:18px;
  left:18px;
  height:30px;
  display:inline-flex;
  align-items:center;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  color:var(--accent-500);
  border:1px solid rgba(42,212,200,.55);
  background:rgba(23,18,31,.5);
}
.media-play{
  position:absolute;
  z-index:2;
  left:50%;
  top:44%;
  transform:translate(-50%,-50%);
  width:64px;
  height:64px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.5);
  transition:transform .2s ease,background .2s ease;
}
.hero-media:hover .media-play{transform:translate(-50%,-50%) scale(1.08);background:rgba(255,90,31,.4)}
.media-play::after{
  content:"";
  width:0;height:0;
  margin-left:4px;
  border-left:14px solid #fff;
  border-top:9px solid transparent;
  border-bottom:9px solid transparent;
}
.media-caption{
  position:absolute;
  z-index:2;
  left:20px;
  right:20px;
  bottom:20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:#fff;
}
.media-caption strong{font-size:16px;font-weight:700}
.media-caption span{font-size:12px;color:rgba(255,255,255,.7)}

/* ---------- generic section ---------- */
.section{padding:64px 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:720px;margin-bottom:36px}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.2em;
  color:var(--brand-600);
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.section-title{
  margin-top:12px;
  font-size:26px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink-900);
}
.section-sub{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-500);
}

/* ---------- timeline ---------- */
.timeline{display:flex;flex-direction:column;gap:20px}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:56px 1fr;
  gap:20px;
}
.tl-rail{position:relative;display:flex;justify-content:center}
.tl-rail::before{
  content:"";
  position:absolute;
  top:52px;
  bottom:-22px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(255,138,76,.85),rgba(255,138,76,.08));
}
.tl-item:last-child .tl-rail::before{display:none}
.tl-num{
  width:48px;
  height:48px;
  border-radius:16px;
  display:grid;
  place-items:center;
  font-size:15px;
  font-weight:800;
  color:var(--brand-600);
  background:#fff;
  border:2px solid var(--brand-400);
  box-shadow:0 8px 20px rgba(255,90,31,.16);
  font-variant-numeric:tabular-nums;
}
.tl-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(255,138,76,.55)}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.tl-title{font-size:18px;font-weight:700;color:var(--ink-900);line-height:1.5}
.tl-time{
  margin-left:auto;
  font-size:12px;
  font-weight:600;
  color:var(--brand-600);
  background:rgba(255,90,31,.1);
  border-radius:var(--r-pill);
  padding:4px 12px;
  white-space:nowrap;
}
.tl-text{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-500)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  color:var(--ink-500);
  background:var(--paper-2);
  border:1px solid var(--line);
}
.tag.is-accent{color:#0F8F86;border-color:rgba(42,212,200,.55);background:rgba(42,212,200,.12)}

/* ---------- rank list ---------- */
.rank-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px;
  box-shadow:var(--shadow-1);
}
.rank-item{
  display:grid;
  grid-template-columns:48px 1fr auto;
  align-items:center;
  gap:16px;
  padding:16px;
  border-radius:18px;
  transition:background .2s ease,transform .2s ease;
}
.rank-item + .rank-item{border-top:1px solid var(--line)}
.rank-item:hover{background:rgba(255,90,31,.06);transform:translateX(2px)}
.rank-pos{
  width:38px;height:38px;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-size:14px;
  font-weight:800;
  color:var(--ink-500);
  background:var(--paper-2);
  font-variant-numeric:tabular-nums;
}
.rank-item:nth-child(1) .rank-pos{background:var(--grad-brand);color:#fff}
.rank-item:nth-child(2) .rank-pos{background:rgba(255,212,77,.35);color:#8A6400}
.rank-item:nth-child(3) .rank-pos{background:rgba(42,212,200,.2);color:#0F8F86}
.rank-name{font-size:16px;font-weight:700;color:var(--ink-900)}
.rank-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;font-size:12px;color:var(--ink-500)}
.rank-meta span{display:inline-flex;align-items:center;gap:6px}
.heat{display:flex;flex-direction:column;align-items:flex-end;gap:8px;min-width:132px}
.heat-bar{width:112px;height:6px;border-radius:6px;background:var(--paper-2);overflow:hidden}
.heat-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,#FF8A4C,#FF3D7F)}
.heat-val{font-size:13px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.check-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
}
.check-card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--grad-brand);
  opacity:.85;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(255,138,76,.5)}
.check-icon{
  width:40px;height:40px;
  border-radius:14px;
  display:grid;
  place-items:center;
  font-size:15px;
  font-weight:800;
  color:#fff;
  background:var(--grad-brand);
  font-variant-numeric:tabular-nums;
}
.check-title{margin-top:16px;font-size:16px;font-weight:700;color:var(--ink-900)}
.check-text{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-500)}

/* ---------- FAQ ---------- */
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:14px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  transition:background .2s ease;
}
.faq-q:hover{background:rgba(255,90,31,.06)}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  display:grid;
  place-items:center;
  border:1.5px solid var(--line);
  color:var(--brand-600);
  font-size:15px;
  line-height:1;
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--brand-400);background:rgba(255,90,31,.1)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a p{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-500);
}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 72px}
.cta-inner{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  padding:44px 40px;
  background-image:var(--grad-brand);
  color:#fff;
  box-shadow:0 24px 50px rgba(255,90,31,.28);
}
.cta-inner::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-70px;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(255,255,255,.16);
  filter:blur(2px);
}
.cta-title{position:relative;z-index:1;font-size:24px;font-weight:800;letter-spacing:-.01em}
.cta-note{position:relative;z-index:1;margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.88);max-width:620px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-actions .btn-primary{background-image:none;background:#fff;color:var(--brand-700);box-shadow:0 10px 26px rgba(23,18,31,.18);border-color:transparent}
.cta-actions .btn-primary:hover{filter:none;background:#fff5ee;box-shadow:0 16px 34px rgba(23,18,31,.24)}
.cta-actions .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.62)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.22);border-color:#fff}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  border-top:2px solid transparent;
  border-image:var(--grad-brand) 1;
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer-note{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.notice{margin-top:14px;font-size:12px;line-height:1.8;color:rgba(255,255,255,.42)}
.footer-title{font-size:14px;font-weight:700;color:var(--accent-500);letter-spacing:.06em}
.footer-links{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;width:fit-content}
.footer-links a:hover{color:var(--brand-400);transform:translateX(2px)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.5;transform:scale(.8)}
}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media img{height:340px}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
}

@media (max-width:900px){
  .nav-side{display:none}
  .nav-grid{grid-template-columns:1fr auto 1fr;height:64px}
  .logo{grid-column:2;justify-self:center}
  .menu-toggle{display:flex;grid-column:3;justify-self:end}
  .container{padding-left:20px;padding-right:20px}
}

@media (max-width:640px){
  body{font-size:15px}
  .container{padding-left:16px;padding-right:16px}
  .page-title{font-size:28px;line-height:1.3}
  .hero-lead{font-size:15px}
  .section-title{font-size:22px}
  .cat-hero{padding:24px 0 44px;border-bottom-left-radius:24px;border-bottom-right-radius:24px}
  .hero-media{border-radius:24px}
  .hero-media img{height:260px}
  .hero-actions .btn{width:100%}
  .stat-pill{flex:1 1 46%;min-width:0}
  .section{padding:44px 0}
  .tl-item{grid-template-columns:44px 1fr;gap:14px}
  .tl-num{width:40px;height:40px;border-radius:14px;font-size:13px}
  .tl-card{padding:18px;border-radius:20px}
  .tl-time{margin-left:0}
  .rank-item{grid-template-columns:40px 1fr;gap:12px}
  .heat{grid-column:2;align-items:flex-start;min-width:0}
  .heat-bar{width:100%}
  .check-grid{grid-template-columns:1fr}
  .cta-inner{padding:30px 22px;border-radius:22px}
  .cta-title{font-size:20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .faq-q{padding:14px 16px;font-size:15px}
  .faq-a p{padding:0 16px 18px}
  .drawer-grid{grid-template-columns:1fr}
}

/* roulang page: category3 */
:root{
  --brand-400:#FF8A4C; --brand-500:#FF5A1F; --brand-600:#E8420C; --brand-700:#C6330A;
  --accent-500:#2AD4C8; --gold-400:#FFD44D;
  --ink-900:#17121F; --ink-700:#2A2333; --ink-500:#5A5266; --ink-300:#9A93A3;
  --paper:#FFF8F3; --paper-2:#F4EDE7; --line:#E8DCD3;
  --grad-brand:linear-gradient(120deg,#FF5A1F 0%,#FF3D7F 55%,#8B5CF6 100%);
  --shadow-1:0 1px 2px rgba(23,18,31,.05),0 8px 24px rgba(23,18,31,.06);
  --shadow-2:0 16px 40px rgba(255,90,31,.16);
  --r-card:20px; --r-lg:26px; --r-btn:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:28px;color:var(--ink-700);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid rgba(255,138,76,.75);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,243,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(255,248,243,.98)}
.nav-grid{
  position:relative;display:grid;grid-template-columns:1fr auto 1fr;
  align-items:center;gap:12px;min-height:72px;
}
@media (max-width:639px){.nav-grid{min-height:64px}}
.nav-side{display:flex;align-items:center;gap:24px}
.nav-side.left{justify-content:flex-start}
.nav-side.right{justify-content:flex-end}
.nav-link{
  position:relative;display:inline-block;padding:9px 2px;font-size:15px;line-height:22px;
  color:var(--ink-700);transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand-500)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink-900);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.logo{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:8px 12px;border-radius:14px;line-height:1.1;transition:transform .2s ease;
}
.logo:hover{transform:translateY(-1px)}
.logo-main{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink-900)}
.logo-sub{font-size:11px;font-weight:600;letter-spacing:.3em;color:var(--brand-600);margin-top:4px;padding-left:.3em}
.menu-toggle{
  display:none;grid-column:3;grid-row:1;justify-self:end;
  width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color .2s ease,background .2s ease;
}
.menu-toggle:hover{border-color:var(--brand-400);background:rgba(255,90,31,.08)}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700);transition:transform .2s ease}
@media (max-width:1023px){
  .nav-side{display:none}
  .menu-toggle{display:flex}
}

/* ============ Mobile drawer ============ */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;gap:18px;
  padding:18px 18px 28px;background:var(--paper);overflow-y:auto;
  transform:translateX(102%);transition:transform .3s ease;
}
.mobile-drawer.is-open{transform:translateX(0)}
@media (min-width:1024px){.mobile-drawer{display:none}}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:#fff;
  font-size:18px;color:var(--ink-700);display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--brand-400);color:var(--brand-600)}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;padding:0 14px;border-radius:14px;
  border:1px solid var(--line);background:#fff;font-size:15px;color:var(--ink-700);
}
.drawer-nav a.active{border-color:var(--brand-400);color:var(--brand-600);font-weight:700;background:rgba(255,90,31,.06)}
.drawer-nav a:hover{border-color:var(--brand-400)}
.drawer-cta{margin-top:auto}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;
  padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 10px 26px rgba(255,90,31,.24),inset 0 0 0 1px rgba(255,255,255,.2);
}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,31,.2)}
.btn-ghost{
  background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.42);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}
.btn-outline{
  background:#fff;color:var(--ink-900);border:1.5px solid var(--line);
}
.btn-outline:hover{border-color:var(--brand-400);background:rgba(255,90,31,.08);transform:translateY(-1px)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-600);
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--accent-500);
}
.btn-link:hover{color:var(--brand-700)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:34px 0 60px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 30%;opacity:.2;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(640px 420px at 10% 4%,rgba(255,90,31,.34),transparent 70%),
    radial-gradient(520px 400px at 94% 96%,rgba(42,212,200,.18),transparent 72%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:34px;padding-top:8px}
@media (min-width:1024px){.hero-inner{grid-template-columns:1.12fr .88fr;align-items:center;gap:52px;padding-top:14px}}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:20px;color:rgba(255,255,255,.62)}
.crumb a{color:rgba(255,255,255,.62);transition:color .2s ease}
.crumb a:hover{color:var(--brand-400)}
.crumb .sep{color:rgba(255,255,255,.34)}
.crumb .current{color:#fff}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--gold-400);
  border:1px solid rgba(255,212,77,.45);background:rgba(255,212,77,.08);
}
.hero h1{
  margin-top:16px;font-size:28px;line-height:38px;font-weight:800;letter-spacing:-.02em;color:#fff;
}
@media (min-width:1024px){.hero h1{font-size:40px;line-height:48px}}
.hero-sub{margin-top:14px;font-size:17px;line-height:28px;color:rgba(255,255,255,.86);font-weight:600}
.hero-lead{margin-top:14px;max-width:640px;font-size:15px;line-height:26px;color:rgba(255,255,255,.7)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media (max-width:639px){.hero-actions .btn{width:100%}}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.stat-pill{
  display:flex;align-items:baseline;gap:6px;padding:9px 15px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);
  font-size:13px;color:rgba(255,255,255,.78);
}
.stat-pill b{font-size:17px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.stat-pill .unit{font-size:11px;color:var(--accent-500);font-weight:700}
.hero-media{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 60px rgba(0,0,0,.42),0 0 0 1px rgba(255,138,76,.18),0 0 40px rgba(255,90,31,.18);
}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 26%;aspect-ratio:16/10}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,18,31,.05) 30%,rgba(23,18,31,.78) 100%);
}
.hero-media-caption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  font-size:13px;line-height:21px;color:rgba(255,255,255,.86);
}
.hero-media-caption strong{display:block;font-size:15px;color:#fff;margin-bottom:2px}

/* ============ Sections ============ */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:84px 0}}
.section-alt{background:var(--paper-2)}
.section-head{max-width:720px;margin-bottom:30px}
.section-head h2{font-size:23px;line-height:34px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
@media (min-width:1024px){.section-head h2{font-size:26px;line-height:36px}}
.section-head p{margin-top:10px;font-size:15px;line-height:26px;color:var(--ink-500)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}

/* ============ Filter bar ============ */
.filter-bar{
  position:sticky;top:72px;z-index:40;display:flex;flex-wrap:wrap;gap:10px;
  padding:12px;margin-bottom:26px;border:1px solid var(--line);border-radius:18px;
  background:rgba(255,248,243,.96);box-shadow:var(--shadow-1);
}
@media (max-width:1023px){.filter-bar{top:64px}}
.chip{
  display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 15px;border-radius:999px;
  border:1.5px solid var(--line);background:#fff;font-size:14px;color:var(--ink-700);
  transition:border-color .2s ease,background .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--brand-400);color:var(--brand-600);transform:translateY(-1px)}
.chip.is-active{border-color:transparent;background:var(--grad-brand);color:#fff;font-weight:700}
.chip-count{
  font-size:12px;font-weight:700;padding:1px 7px;border-radius:999px;
  background:var(--paper-2);color:var(--ink-500);font-variant-numeric:tabular-nums;
}
.chip.is-active .chip-count{background:rgba(255,255,255,.22);color:#fff}

/* ============ Issue cards ============ */
.issue-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.issue-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.issue-grid{grid-template-columns:repeat(3,1fr)}}
.issue-card{
  display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:var(--r-card);
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.issue-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-400)}
.issue-card[hidden]{display:none}
.issue-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:16px;white-space:nowrap;
}
.badge-cyan{color:#0e7d76;border:1px solid rgba(42,212,200,.5);background:rgba(42,212,200,.12)}
.badge-orange{color:var(--brand-600);border:1px solid rgba(255,90,31,.35);background:rgba(255,90,31,.1)}
.badge-gold{color:#7a5a00;border:1px solid rgba(255,212,77,.6);background:rgba(255,212,77,.18)}
.issue-card h3{font-size:18px;line-height:26px;font-weight:600;color:var(--ink-900)}
.issue-card p{font-size:14px;line-height:24px;color:var(--ink-500)}
.issue-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  font-size:12px;color:var(--ink-300);
}
.issue-foot .time{color:var(--brand-600);font-weight:700}
.empty-state{
  padding:42px 24px;border-radius:var(--r-card);border:1px dashed var(--line);background:#fff;
  text-align:center;
}
.empty-state .empty-block{
  width:78px;height:78px;margin:0 auto 16px;border-radius:20px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:800;
}
.empty-state p{font-size:14px;color:var(--ink-500);margin-bottom:16px}

/* ============ Compare ============ */
.compare-wrap{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow-1)}
.compare-head,.compare-row{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr}
.compare-head{
  background:var(--ink-900);color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em;
}
.compare-head span{padding:16px 18px;border-right:1px solid rgba(255,255,255,.08)}
.compare-head span:last-child{border-right:none}
.compare-row{border-top:1px solid var(--line);font-size:14px;line-height:23px;color:var(--ink-700)}
.compare-row:nth-child(odd){background:var(--paper-2)}
.compare-row span{padding:16px 18px;border-right:1px solid var(--line)}
.compare-row span:last-child{border-right:none}
.compare-row .row-key{font-weight:700;color:var(--ink-900)}
.compare-row .row-key em{display:block;font-style:normal;font-size:12px;font-weight:600;color:var(--brand-600);margin-top:3px}
@media (max-width:1023px){
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;padding:18px;gap:8px}
  .compare-row span{border-right:none;padding:0}
  .compare-row span[data-label]::before{
    content:attr(data-label) "：";font-size:12px;font-weight:700;color:var(--ink-500);
  }
}
.compare-note{margin-top:16px;font-size:13px;line-height:22px;color:var(--ink-500)}

/* ============ Check list ============ */
.split{display:grid;grid-template-columns:1fr;gap:30px}
@media (min-width:1024px){.split{grid-template-columns:.92fr 1.08fr;gap:48px;align-items:start}}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center 40%}
.split-media figcaption{
  position:absolute;left:16px;right:16px;bottom:14px;padding:12px 14px;border-radius:14px;
  background:rgba(23,18,31,.78);color:#fff;font-size:13px;line-height:20px;
}
.split-media figcaption b{display:block;font-size:14px;margin-bottom:2px}
.check-list{border-top:1px solid var(--line)}
.check-item{
  display:flex;gap:16px;padding:18px 6px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.check-item:hover{background:rgba(255,90,31,.05)}
.check-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:var(--brand-600);background:rgba(255,90,31,.1);
  border:1px solid rgba(255,90,31,.22);font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:16px;line-height:24px;font-weight:600;color:var(--ink-900);margin-bottom:4px}
.check-item p{font-size:14px;line-height:24px;color:var(--ink-500)}

/* ============ FAQ ============ */
.faq-list{max-width:880px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  min-height:56px;padding:16px 6px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:rgba(255,90,31,.06);color:var(--brand-600)}
.faq-icon{
  flex:0 0 auto;position:relative;width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--line);transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--brand-600);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:transform .2s ease,opacity .2s ease}
.faq-item.is-open .faq-icon{background:var(--grad-brand);border-color:transparent;transform:rotate(180deg)}
.faq-item.is-open .faq-icon::before{background:#fff}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 6px 20px;font-size:15px;line-height:28px;color:var(--ink-500);max-width:760px}
.faq-item.is-open .faq-a{max-height:320px}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:38px 26px;
  background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-2);
}
@media (min-width:768px){.cta-band{padding:48px 44px}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
}
.cta-band h2{position:relative;z-index:2;font-size:23px;line-height:34px;font-weight:800;letter-spacing:-.01em}
@media (min-width:1024px){.cta-band h2{font-size:27px;line-height:38px}}
.cta-band p{position:relative;z-index:2;margin-top:12px;max-width:660px;font-size:15px;line-height:26px;color:rgba(255,255,255,.92)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media (max-width:639px){.cta-actions .btn{width:100%}}
.cta-band .btn-outline{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.24);border-color:#fff}

/* ============ Footer ============ */
.site-footer{
  margin-top:64px;background:var(--ink-900);color:rgba(255,255,255,.72);
  border-top:2px solid transparent;
  border-image:linear-gradient(90deg,#FF5A1F,#FF3D7F,#8B5CF6) 1;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;padding:52px 0 30px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.01em;margin-bottom:12px}
.footer-note{font-size:14px;line-height:24px;color:rgba(255,255,255,.66);max-width:340px}
.notice{margin-top:12px;font-size:12px;line-height:20px;color:rgba(255,255,255,.45)}
.footer-title{font-size:14px;font-weight:700;color:var(--accent-500);margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;line-height:22px;color:rgba(255,255,255,.7);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--brand-400);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  padding:18px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}