/* roulang page: index */
:root{
  --brand:#FF5A36;
  --brand-dark:#E23F1B;
  --brand-soft:#FFD9CE;
  --accent:#12BFA6;
  --accent-soft:#D6F5F0;
  --bg:#FFF9F5;
  --card:#FFFFFF;
  --warm:#FFF2EA;
  --ink:#17161C;
  --ink-2:#4A4855;
  --ink-3:#8A8794;
  --line:#F0E2DA;
  --grad:linear-gradient(100deg,#FF5A36,#FF8A3D);
  --grad-dark:linear-gradient(160deg,#1D1B24,#332F3E);
  --r-lg:22px;
  --r-md:16px;
  --r-img:18px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,22,28,.06);
  --sh-2:0 14px 34px rgba(23,22,28,.12);
  --sh-3:0 10px 28px rgba(0,0,0,.28);
  --sec:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.28;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:var(--sec) 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head h2{font-size:22px}
@media (min-width:1024px){.section-head h2{font-size:28px}}
.section-sub{color:var(--ink-2);font-size:14px;margin-top:8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--warm);color:var(--brand-dark);font-size:13px;font-weight:700;padding:7px 14px;border-radius:var(--r-pill);border:1px solid var(--line)}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;white-space:nowrap}
.btn-primary{background:var(--grad);background-size:160% 100%;color:#fff;box-shadow:0 8px 20px rgba(255,90,54,.28)}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:0 14px 30px rgba(255,90,54,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,90,54,.28)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{background:var(--warm);border-color:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;transform:none;box-shadow:none;cursor:not-allowed}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand-dark);font-size:15px;transition:color .2s ease}
.btn-text .arrow{transition:transform .22s ease}
.btn-text:hover .arrow{transform:translateX(4px)}
.btn-text:hover{color:var(--brand)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(255,90,54,.42);outline-offset:2px;border-radius:auto}

/* 徽章 */
.stat-badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);color:#0B8A78;font-size:13px;font-weight:700;padding:7px 14px;border-radius:var(--r-pill);font-variant-numeric:tabular-nums}
.stat-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.stat-badge.sm{font-size:12px;padding:5px 11px}
.stat-badge.on-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.2)}
.stat-badge.on-dark .dot{background:var(--accent)}
.pill{display:inline-block;background:var(--warm);color:var(--ink-2);font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--line)}
.pill.is-brand{background:var(--brand-soft);color:var(--brand-dark);border-color:transparent;font-weight:700}

/* 导航 */
.site-header{position:sticky;top:0;z-index:100;padding:14px 0 0}
.nav-shell{display:flex;align-items:center;gap:18px;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(240,226,218,.9);border-radius:20px;box-shadow:var(--sh-1);padding:10px 16px}
@media (min-width:1024px){.nav-shell{padding:12px 24px}}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:42px;height:42px;border-radius:14px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;box-shadow:0 8px 18px rgba(255,90,54,.3)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.02em}
.brand-text span{font-size:11.5px;color:var(--ink-3);letter-spacing:.04em}
.nav-cards{display:none;align-items:center;gap:8px;margin-left:auto}
@media (min-width:1024px){.nav-cards{display:flex}}
.nav-card{display:flex;align-items:center;gap:9px;padding:9px 14px;border-radius:14px;font-size:14px;font-weight:600;color:var(--ink-2);border:1px solid transparent;transition:background .22s ease,transform .22s ease,border-color .22s ease,color .22s ease}
.nav-card svg{width:18px;height:18px;flex:0 0 auto;color:var(--brand)}
.nav-card:hover{background:var(--warm);border-color:var(--line);transform:translateY(-2px);color:var(--ink)}
.nav-card.is-active{background:var(--warm);border-color:var(--brand-soft);color:var(--brand-dark)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){.nav-cta{margin-left:0}}
.nav-cta .btn-primary{display:none}
@media (min-width:1024px){.nav-cta .btn-primary{display:inline-flex}}
.nav-toggle{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s ease}
.nav-toggle:hover{background:var(--warm)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
@media (min-width:1024px){.nav-toggle{display:none}}
.mobile-panel{display:none;margin:10px 20px 0;background:var(--grad-dark);border-radius:0 0 24px 24px;padding:18px;box-shadow:var(--sh-3)}
.mobile-panel.is-open{display:block}
@media (min-width:1024px){.mobile-panel{display:none!important}}
.mobile-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.mobile-link{display:flex;align-items:center;gap:10px;padding:14px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#fff;font-size:14px;font-weight:600;transition:border-color .2s ease,background .2s ease}
.mobile-link:hover{background:rgba(255,255,255,.12)}
.mobile-link.is-active{border-color:var(--brand)}
.mobile-link svg{width:18px;height:18px;color:var(--brand)}

/* Hero */
.hero{padding:40px 0 56px}
@media (min-width:1024px){.hero{padding:64px 0 88px}}
.hero-grid{display:grid;gap:40px;align-items:center}
@media (min-width:768px){.hero-grid{grid-template-columns:1.1fr .9fr;gap:48px}}
.hero-copy .eyebrow{margin-bottom:18px}
.hero h1{font-size:30px}
@media (min-width:768px){.hero h1{font-size:42px}}
@media (min-width:1280px){.hero h1{font-size:50px}}
.hero-sub{margin-top:16px;color:var(--ink-2);font-size:16px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-visual{display:flex;justify-content:center;position:relative}
.hero-visual::after{content:"";position:absolute;inset:auto 6% -18px 6%;height:60px;background:var(--grad);filter:blur(42px);opacity:.28;z-index:0}
.phone-card{position:relative;z-index:1;width:100%;max-width:330px;aspect-ratio:9/16;border-radius:28px;overflow:hidden;box-shadow:var(--sh-2);transform:rotate(-2deg);background:var(--grad-dark)}
.phone-card img{width:100%;height:100%;object-fit:cover;opacity:.92}
.phone-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,22,28,.05) 30%,rgba(23,22,28,.78))}
.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:66px;height:66px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(0,0,0,.28);z-index:3;transition:transform .25s ease}
.play-btn .tri{width:0;height:0;border-left:17px solid var(--brand);border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:5px}
.play-btn.sm{width:46px;height:46px}
.play-btn.sm .tri{border-left-width:12px;border-top-width:7px;border-bottom-width:7px}
.clip-card:hover .play-btn,.phone-card:hover .play-btn{transform:translate(-50%,-50%) scale(1.08)}
.dur{position:absolute;top:14px;right:14px;z-index:3;background:rgba(23,22,28,.62);color:#fff;font-size:12px;font-weight:700;padding:5px 11px;border-radius:var(--r-pill);font-variant-numeric:tabular-nums;backdrop-filter:blur(6px)}
.phone-caption{position:absolute;left:20px;right:20px;bottom:20px;z-index:2;color:#fff}
.phone-caption strong{display:block;font-size:16px;font-weight:800}
.phone-caption span{font-size:12.5px;color:rgba(255,255,255,.78)}

/* 片段卡带 */
.clip-track{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory}
.clip-track::-webkit-scrollbar{height:4px}
.clip-track::-webkit-scrollbar-thumb{background:var(--brand-soft);border-radius:4px}
.clip-card{position:relative;flex:0 0 66%;max-width:280px;aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);scroll-snap-align:start;transition:transform .25s ease,box-shadow .25s ease;background:var(--grad-dark)}
@media (min-width:768px){.clip-card{flex:0 0 258px}}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.clip-card img{width:100%;height:100%;object-fit:cover}
.clip-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08) 40%,rgba(0,0,0,.72))}
.clip-meta{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;color:#fff}
.clip-meta h3{color:#fff;font-size:15px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-meta .stat-badge{margin-top:10px}
.scroll-hint{margin-top:4px;font-size:13px;color:var(--ink-3)}
@media (min-width:768px){.scroll-hint{display:none}}

/* 分类入口 */
.cat-grid{display:grid;gap:20px}
@media (min-width:768px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
.cat-card{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.cat-thumb{flex:0 0 116px;width:116px;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:var(--grad)}
.cat-thumb img{width:100%;height:100%;object-fit:cover}
.cat-body h3{font-size:18px}
.cat-body p{margin-top:8px;color:var(--ink-2);font-size:14px}
.cat-body .btn-text{margin-top:12px;font-size:14px}

/* 种草清单 */
.guide-grid{display:grid;gap:18px}
@media (min-width:768px){.guide-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
.guide-item{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.guide-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.num{flex:0 0 46px;width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;box-shadow:0 8px 18px rgba(255,90,54,.28)}
.guide-item h3{font-size:17px}
.guide-item p{margin-top:8px;color:var(--ink-2);font-size:14.5px}
.guide-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* 口碑 */
.voice-track{display:flex;gap:16px;overflow-x:auto;padding:4px 4px 18px}
.voice-track::-webkit-scrollbar{height:4px}
.voice-track::-webkit-scrollbar-thumb{background:var(--brand-soft);border-radius:4px}
.voice-card{flex:0 0 82%;max-width:340px;display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:18px;box-shadow:var(--sh-1)}
@media (min-width:768px){.voice-card{flex:0 0 320px}}
.avatar{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:var(--accent-soft);color:#0B8A78;display:flex;align-items:center;justify-content:center;font-weight:800}
.voice-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.voice-top strong{font-size:15px}
.verify{font-size:11.5px;font-weight:700;color:#0B8A78;background:var(--accent-soft);padding:3px 9px;border-radius:var(--r-pill)}
.voice-card p{margin-top:8px;font-size:14px;color:var(--ink-2)}
.stars{margin-top:8px;color:#F5A623;font-size:13px;letter-spacing:2px}

/* 资讯列表 */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px}
.filter-pill{display:inline-block;padding:8px 16px;border-radius:var(--r-pill);font-size:13.5px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);transition:all .22s ease}
.filter-pill:hover{background:var(--warm);color:var(--brand-dark)}
.filter-pill.is-on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(255,90,54,.24)}
.info-grid{margin:0 -12px}
.info-grid>.cell{padding:0 12px 24px}
.info-card{display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.info-cover{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--grad)}
.info-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.info-card:hover .info-cover img{transform:scale(1.05)}
.info-body{padding:20px;display:flex;flex-direction:column;flex:1}
.info-body h3{margin-top:12px;font-size:17px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .22s ease}
.info-card:hover .info-body h3{color:var(--brand-dark)}
.info-body p{margin-top:10px;font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.info-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.info-foot time{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.info-more{font-size:13.5px;font-weight:700;color:var(--brand-dark)}
.empty-state{border:2px dashed var(--line);border-radius:var(--r-lg);padding:56px 24px;text-align:center;background:#fff}
.empty-state .empty-ico{width:56px;height:56px;border-radius:50%;background:var(--warm);margin:0 auto 16px;display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:24px;font-weight:800}
.empty-state p{color:var(--ink-3);font-size:14.5px}
.list-foot{margin-top:12px;text-align:center}

/* FAQ */
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .25s ease}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item summary{list-style:none;cursor:pointer;position:relative;padding:20px 56px 20px 30px;font-size:16.5px;font-weight:700;display:flex;align-items:center;transition:background .25s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:4px;height:20px;border-radius:4px;background:var(--brand)}
.faq-item summary::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:700;color:var(--brand);transition:transform .3s ease}
.faq-item[open] summary{background:var(--warm)}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item p{padding:0 56px 22px 30px;color:var(--ink-2);font-size:14.5px}

/* CTA */
.cta-band{background:var(--grad-dark);border-radius:28px;padding:32px;display:grid;gap:24px;box-shadow:var(--sh-3);position:relative;overflow:hidden}
@media (min-width:768px){.cta-band{grid-template-columns:1.4fr 1fr;align-items:center;padding:48px}}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,54,.55),transparent 70%)}
.cta-band h2{color:#fff;font-size:24px}
@media (min-width:1024px){.cta-band h2{font-size:30px}}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.8);font-size:15px;max-width:520px}
.cta-actions{display:grid;gap:12px;position:relative;z-index:1}
@media (min-width:768px){.cta-actions{justify-items:end}}

/* 页脚 */
.site-footer{margin-top:56px;background:var(--grad-dark);color:rgba(255,255,255,.82);padding:56px 0 26px}
@media (min-width:1024px){.site-footer{margin-top:88px;padding:72px 0 30px}}
.footer-grid{display:grid;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{font-size:17px;color:#fff}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:24px;letter-spacing:.02em}
.site-footer p{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-form{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}
.footer-form input{flex:1 1 180px;height:48px;border-radius:14px;background:var(--warm);border:1px solid var(--line);padding:0 16px;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease}
.footer-form input::placeholder{color:var(--ink-3)}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,54,.25)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}

/* roulang page: article */
:root{
  --primary:#FF5A36;
  --primary-dark:#E23F1B;
  --primary-light:#FFD9CE;
  --accent:#12BFA6;
  --accent-light:#D6F5F0;
  --bg:#FFF9F5;
  --card:#FFFFFF;
  --warm:#FFF2EA;
  --text:#17161C;
  --text-2:#4A4855;
  --text-3:#8A8794;
  --line:#F0E2DA;
  --grad:linear-gradient(100deg,#FF5A36,#FF8A3D);
  --grad-dark:linear-gradient(160deg,#1D1B24,#332F3E);
  --r-lg:22px;
  --r-md:16px;
  --r-img:18px;
  --shadow-1:0 6px 20px rgba(23,22,28,.06);
  --shadow-2:0 14px 34px rgba(23,22,28,.12);
  --shadow-dark:0 10px 28px rgba(0,0,0,.28);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.8;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.35}
p{margin:0}
ul,ol{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:22px}
@media(min-width:1024px){.section-head h2{font-size:28px}}
.section-head p{color:var(--text-3);font-size:14px}
.tnum{font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- 导航 ---------- */
.nav-wrap{position:sticky;top:0;z-index:100;padding:12px 0;
  background:linear-gradient(180deg,rgba(255,249,245,.97),rgba(255,249,245,.72));
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.nav-panel{display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(240,226,218,.9);border-radius:20px;padding:10px 20px;box-shadow:var(--shadow-1);
  position:relative}
@media(min-width:1024px){.nav-panel{padding:10px 24px}}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 6px 16px rgba(255,90,54,.32)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-text span{font-size:12px;color:var(--text-3);letter-spacing:.04em}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-card{display:flex;align-items:center;gap:10px;padding:6px 14px 6px 6px;border-radius:14px;
  font-size:14px;color:var(--text-2);font-weight:600;transition:all .22s ease}
.nav-card svg{width:34px;height:34px;padding:8px;border-radius:12px;background:var(--warm);color:var(--primary-dark);flex-shrink:0}
.nav-card:hover{background:var(--warm);color:var(--text);transform:translateY(-2px)}
.nav-card.is-active{background:var(--warm);color:var(--text);box-shadow:inset 0 0 0 1px var(--primary-light)}
.nav-card.is-active svg{background:var(--grad);color:#fff}
.nav-cta{margin-left:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:999px;border:0;cursor:pointer;font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .25s ease,background-color .25s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--grad);background-size:160% 100%;color:#fff;box-shadow:0 8px 22px rgba(255,90,54,.3)}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:0 14px 30px rgba(255,90,54,.36)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--warm);border-color:var(--primary-light);transform:translateY(-2px)}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--primary-dark);
  background:none;border:0;padding:0;cursor:pointer;height:48px}
.btn-text .arrow{transition:transform .22s ease}
.btn-text:hover .arrow{transform:translateX(4px)}
.btn:focus-visible,.btn-text:focus-visible,.nav-card:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(255,90,54,.28)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;transform:none}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{display:none;margin-left:auto;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--text);place-items:center;cursor:pointer}
.nav-toggle svg{width:22px;height:22px}
.mobile-panel{display:none;margin-top:10px;border-radius:0 0 24px 24px;background:var(--grad-dark);
  padding:18px;box-shadow:var(--shadow-dark);grid-template-columns:1fr 1fr;gap:10px}
.mobile-panel.is-open{display:grid}
.mobile-panel a{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:14px;
  color:rgba(255,255,255,.9);font-size:14px;font-weight:600;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06)}
.mobile-panel a svg{width:20px;height:20px;color:var(--primary-light)}
.mobile-panel a:hover{background:rgba(255,255,255,.12)}
.mobile-panel a.is-active{border-color:var(--primary)}
.mobile-panel .mobile-cta{grid-column:1 / -1;border:0;background:var(--grad);color:#fff;justify-content:center}
@media(max-width:1024px){
  .nav-cards,.nav-cta{display:none}
  .nav-toggle{display:grid}
  .brand-text span{display:none}
}
@media(max-width:480px){
  .mobile-panel{grid-template-columns:1fr}
  .brand-text strong{font-size:15px}
}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);
  padding:22px 0 0}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary-dark)}
.crumbs .sep{opacity:.55}
.crumbs .now{color:var(--primary-dark);font-weight:700;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-head{padding:18px 0 26px;max-width:900px}
.article-head .kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--accent-light);color:#0A8A79;font-size:13px;font-weight:700;margin-bottom:16px}
.article-head .kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.article-head h1{font-size:30px;line-height:1.32}
@media(min-width:1024px){.article-head h1{font-size:44px}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;
  background:var(--warm);color:var(--text-2);font-weight:600}
.pill-cat{background:var(--primary-light);color:#B7320F}
.pill-accent{background:var(--accent-light);color:#0A8A79}
.meta-text{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- 封面 ---------- */
.cover-figure{margin:0 0 34px;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-1);
  position:relative;aspect-ratio:16/9;background:linear-gradient(140deg,#FF5A36,#FF8A3D)}
.cover-figure img{width:100%;height:100%;object-fit:cover}
.cover-caption{font-size:13px;color:var(--text-3);margin-top:10px;text-align:center}

/* ---------- 正文布局 ---------- */
.reader{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;padding-bottom:64px}
@media(max-width:1024px){.reader{grid-template-columns:1fr;gap:28px}}
.article-body{max-width:780px;font-size:17px;color:var(--text-2);line-height:1.85}
.article-body > * + *{margin-top:1.4em}
.article-body p{margin:0}
.article-body h2{font-size:22px;color:var(--text);padding-left:14px;position:relative;margin-top:2em;line-height:1.45}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:999px;background:var(--grad)}
@media(min-width:1024px){.article-body h2{font-size:28px}}
.article-body h3{font-size:20px;color:var(--text);margin-top:1.7em}
.article-body ul,.article-body ol{padding-left:1.35em}
.article-body li{margin:.55em 0}
.article-body ul li::marker{color:var(--primary)}
.article-body ol li::marker{color:var(--primary);font-weight:700}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--warm);border-left:4px solid var(--primary);
  border-radius:0 18px 18px 0;color:var(--text)}
.article-body blockquote p{margin:0}
.article-body img{border-radius:18px;margin:1.6em 0 0;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--primary-dark);font-weight:600;border-bottom:1px solid var(--primary-light)}
.article-body a:hover{color:var(--primary)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:var(--warm);color:var(--text);font-weight:700}
.table-scroll{overflow-x:auto;border-radius:14px;background:#fff;box-shadow:var(--shadow-1);padding:4px}
.article-body code{background:var(--warm);padding:2px 8px;border-radius:8px;font-size:14px;color:var(--primary-dark)}
.empty-state{border:2px dashed var(--line);border-radius:var(--r-lg);background:#fff;padding:56px 26px;text-align:center}
.empty-state .dot-icon{width:56px;height:56px;border-radius:18px;margin:0 auto 18px;display:grid;place-items:center;
  background:var(--warm);color:var(--primary);font-size:24px;font-weight:800}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--text-3);font-size:15px;margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:100px}
@media(max-width:1024px){.sidebar{position:static}}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-1)}
.side-card + .side-card{margin-top:18px}
.side-card h3{font-size:17px;margin-bottom:6px}
.side-card .side-sub{font-size:13px;color:var(--text-3);margin-bottom:14px}
.side-list{display:grid;gap:14px}
.side-item{display:flex;gap:12px;align-items:flex-start;padding:8px;border-radius:14px;transition:all .22s ease}
.side-item:hover{background:var(--warm);transform:translateY(-2px)}
.side-thumb{width:76px;height:58px;border-radius:12px;overflow:hidden;flex-shrink:0;
  background:linear-gradient(140deg,#FF5A36,#FF8A3D)}
.side-thumb img{width:100%;height:100%;object-fit:cover}
.side-item h4{font-size:14px;font-weight:700;line-height:1.5;color:var(--text)}
.side-item span{font-size:12px;color:var(--text-3)}
.side-item:hover h4{color:var(--primary-dark)}
.side-cta{display:grid;gap:10px;margin-top:16px}

/* ---------- CTA 带 ---------- */
.cta-band{margin:0 auto;border-radius:28px;background:var(--grad-dark);color:#fff;padding:32px 26px;
  display:flex;flex-direction:column;gap:22px;box-shadow:var(--shadow-dark);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,54,.5),transparent 70%)}
.cta-band h2{font-size:22px;color:#fff;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.78);font-size:14px;margin-top:10px;position:relative;z-index:1}
.cta-band .cta-actions{position:relative;z-index:1}
@media(min-width:1024px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px;gap:40px}
  .cta-band h2{font-size:28px}
}
.cta-band .btn-primary{box-shadow:0 12px 30px rgba(0,0,0,.3)}
.badge-on-dark{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:13px;font-weight:700}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:72px;background:var(--grad-dark);color:rgba(255,255,255,.82);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff}
.footer-brand .brand-mark{background:var(--grad);box-shadow:none}
.footer-brand strong{font-size:17px;font-weight:800}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:24px;font-weight:800;letter-spacing:.02em}
.footer-links{display:grid;gap:12px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.82)}
.footer-links a:hover{color:var(--primary-light)}
.site-footer p{font-size:14px;color:rgba(255,255,255,.72)}
.footer-form{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.footer-form input{flex:1 1 190px;height:48px;padding:0 16px;border-radius:14px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.footer-form input::placeholder{color:rgba(255,255,255,.55)}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,90,54,.28);outline:none}
.footer-form .btn-primary{flex:0 0 auto}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band .cta-actions .btn{width:100%}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .article-head h1{font-size:26px}
  .footer-form input,.footer-form .btn{width:100%;flex:1 1 100%}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A36;
  --brand-dark:#E23F1B;
  --brand-soft:#FFD9CE;
  --accent:#12BFA6;
  --accent-soft:#D6F5F0;
  --bg:#FFF9F5;
  --card:#FFFFFF;
  --warm:#FFF2EA;
  --text:#17161C;
  --muted:#4A4855;
  --faint:#8A8794;
  --line:#F0E2DA;
  --grad:linear-gradient(100deg,#FF5A36,#FF8A3D);
  --grad-dark:linear-gradient(160deg,#1D1B24,#332F3E);
  --r-lg:22px;
  --r-md:16px;
  --r-img:18px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,22,28,.06);
  --sh-2:0 14px 34px rgba(23,22,28,.12);
  --sh-dark:0 10px 28px rgba(0,0,0,.28);
  --sec-y:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.28}
h1{font-size:30px}
h2{font-size:22px}
h3{font-size:20px}
h4{font-size:15px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
strong{font-weight:800}
:focus-visible{outline:3px solid rgba(255,90,54,.35);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--sec-y) 0}
.section-tight{padding:32px 0 20px}
.section-head{max-width:720px;margin-bottom:28px}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:700;margin-bottom:16px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;padding:14px 0}
.site-header::before{content:"";position:absolute;inset:0;background:rgba(255,249,245,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.header-card{
  position:relative;
  display:flex;align-items:center;gap:20px;
  padding:12px 22px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(255,90,54,.32);
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.02em;white-space:nowrap}
.nav-cards{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center}
.nav-card{
  display:flex;align-items:center;gap:9px;
  padding:6px 14px 6px 8px;
  border-radius:14px;
  font-size:14px;font-weight:600;color:var(--muted);
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.nav-card svg{width:38px;height:38px;padding:9px;border-radius:12px;background:var(--warm);color:var(--brand-dark);transition:background-color .2s ease,color .2s ease}
.nav-card:hover{background:var(--warm);color:var(--brand-dark);transform:translateY(-2px)}
.nav-card.is-active{background:var(--warm);color:var(--brand-dark)}
.nav-card.is-active svg{background:var(--brand-soft)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.menu-toggle{
  display:none;width:46px;height:46px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.menu-toggle span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.mobile-panel{
  display:none;
  margin-top:10px;padding:16px;
  border-radius:0 0 24px 24px;
  background:var(--grad-dark);
  box-shadow:var(--sh-dark);
}
.mobile-panel.is-open{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.mobile-panel .nav-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.9);
  padding:12px;border-radius:14px;
}
.mobile-panel .nav-card svg{background:rgba(255,255,255,.12);color:#fff}
.mobile-panel .nav-card.is-active{border-color:var(--brand);background:rgba(255,90,54,.18)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .3s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);background-size:150% 100%;color:#fff;box-shadow:0 8px 22px rgba(255,90,54,.28)}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:0 14px 30px rgba(255,90,54,.36)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,90,54,.3)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--warm);border-color:var(--brand-soft);transform:translateY(-2px)}
.btn-link{height:auto;padding:6px 0;background:none;color:var(--brand-dark);font-weight:700}
.btn-link .arrow{transition:transform .2s ease;display:inline-block}
.btn-link:hover .arrow{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn.is-disabled{opacity:.5;transform:none;box-shadow:none;cursor:not-allowed}

/* ---------- 徽章 / 标签 ---------- */
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#0C8C7A;
  font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.badge-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22)}
.badge-dark::before{background:var(--accent)}
.pill{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);background:var(--warm);color:var(--muted);font-size:13px;font-weight:600}
.stat-num{font-variant-numeric:tabular-nums;font-weight:800}

/* ---------- Hero ---------- */
.hero{padding:36px 0 var(--sec-y)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero h1 .hl{color:var(--brand-dark)}
.hero-sub{margin-top:16px;font-size:16px;color:var(--muted)}
.hero-lead{margin-top:16px;font-size:15px;color:var(--faint)}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px}
.hero .badge-row{margin-top:24px}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-2);background:var(--grad);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,22,28,0) 40%,rgba(23,22,28,.55) 100%)}
.hero-figure figcaption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  color:#fff;font-size:14px;font-weight:600;
}
.hero-float{
  position:absolute;right:-14px;top:24px;z-index:3;
  padding:12px 18px;border-radius:var(--r-md);
  background:#fff;box-shadow:var(--sh-2);
  font-size:13px;color:var(--muted);
}
.hero-float b{display:block;font-size:22px;color:var(--brand-dark);font-variant-numeric:tabular-nums}

/* ---------- 清单流 ---------- */
.flow-list{display:grid;gap:20px}
.flow-item{
  display:grid;grid-template-columns:170px 1fr;gap:24px;align-items:center;
  padding:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.flow-media{aspect-ratio:3/2;border-radius:var(--r-img);overflow:hidden;background:var(--grad)}
.flow-media img{width:100%;height:100%;object-fit:cover}
.flow-body{display:flex;gap:18px;align-items:flex-start}
.flow-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.flow-body h3{font-size:18px}
.flow-body p{margin-top:8px;color:var(--muted);font-size:15px}
.flow-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* ---------- 双列内容卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.info-media{aspect-ratio:16/10;overflow:hidden;background:var(--grad)}
.info-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.info-card:hover .info-media img{transform:scale(1.04)}
.info-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.info-body h3{font-size:19px}
.info-body p{color:var(--muted);font-size:15px}
.info-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:880px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item summary{
  position:relative;display:flex;align-items:center;gap:14px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-weight:700;font-size:16px;
  transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";flex:0 0 auto;width:4px;height:22px;border-radius:3px;background:var(--brand)}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:20px;font-weight:800;color:var(--brand-dark);
  transition:transform .25s ease;
}
.faq-item[open] summary{background:var(--warm)}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-answer{padding:0 22px 22px 40px;color:var(--muted);font-size:15px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-dark);border-radius:28px;
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-dark);
}
.cta-band::after{content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,54,.45),rgba(255,90,54,0) 68%)}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{color:#fff;font-size:26px}
.cta-copy p{margin-top:10px;color:rgba(255,255,255,.8);font-size:15px}
.cta-band .btn{position:relative;z-index:2;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sec-y);background:var(--grad-dark);color:rgba(255,255,255,.82);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff}
.footer-brand .brand-mark{width:38px;height:38px;font-size:17px}
.footer-brand strong{font-size:17px;font-weight:800}
.site-footer h4{color:#fff;font-size:14px;font-weight:800;margin-bottom:24px;letter-spacing:0}
.footer-links{display:grid;gap:12px}
.footer-links a{color:rgba(255,255,255,.82);font-size:14px}
.footer-links a:hover{color:#fff}
.site-footer p{font-size:14px;line-height:1.8}
.footer-form{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.footer-form input{
  flex:1 1 180px;height:48px;padding:0 16px;border-radius:14px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.6)}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,54,.28)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.65);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  :root{--sec-y:88px}
  .container{padding:0 32px}
  h1{font-size:46px}
  h2{font-size:28px}
  .hero{padding:56px 0 var(--sec-y)}
}
@media (max-width:1023px){
  .nav-cards{display:none}
  .header-actions .btn{display:none}
  .menu-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{max-width:520px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  h1{font-size:30px}
  .header-card{gap:12px;padding:10px 14px}
  .brand-text{font-size:15px}
  .flow-item{grid-template-columns:120px 1fr;gap:16px}
  .card-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;gap:20px}
  .cta-band .btn{width:100%}
  .hero-float{right:8px;top:12px;padding:10px 14px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:519px){
  .flow-item{grid-template-columns:1fr}
  .flow-media{aspect-ratio:16/9}
  .hero-cta{gap:12px}
  .hero-cta .btn{width:100%}
  .btn-link{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --primary:#FF5A36;
  --primary-dark:#E23F1B;
  --primary-light:#FFD9CE;
  --accent:#12BFA6;
  --accent-light:#D6F5F0;
  --bg:#FFF9F5;
  --card:#FFFFFF;
  --warm:#FFF2EA;
  --text:#17161C;
  --text-2:#4A4855;
  --muted:#8A8794;
  --line:#F0E2DA;
  --grad:linear-gradient(100deg,#FF5A36,#FF8A3D);
  --grad-dark:linear-gradient(160deg,#1D1B24,#332F3E);
  --r-lg:22px;
  --r-md:16px;
  --r-img:18px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,22,28,.06);
  --sh-2:0 14px 34px rgba(23,22,28,.12);
  --sh-dark:0 10px 28px rgba(0,0,0,.28);
  --section-y:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.02em;line-height:1.28;color:var(--text)}
h1{font-size:30px}
h2{font-size:22px}
h3{font-size:20px}
p{margin:0}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,90,54,.35);outline-offset:2px;border-radius:8px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--section-y) 0}
.section-tight{padding:40px 0}
@media (min-width:1024px){
  .container{padding:0 32px}
  :root{--section-y:88px}
  h1{font-size:46px}
  h2{font-size:28px}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--grad)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15px}
.lead{color:var(--text-2);font-size:16px}
.muted{color:var(--muted);font-size:14px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{background-image:var(--grad);background-size:150% 100%;background-position:0 0;color:#fff;box-shadow:0 10px 24px rgba(255,90,54,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 16px 32px rgba(255,90,54,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,90,54,.26)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--warm);border-color:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:rgba(255,255,255,.94);color:var(--primary-dark)}
.btn-light:hover{background:#fff;color:var(--primary-dark);transform:translateY(-2px)}
.btn-outline-light{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.btn-text{height:auto;padding:0;background:none;color:var(--primary);font-weight:700;box-shadow:none}
.btn-text .arw{display:inline-block;transition:transform .22s ease}
.btn-text:hover{transform:none;color:var(--primary-dark)}
.btn-text:hover .arw{transform:translateX(4px)}
.btn[disabled]{opacity:.5;pointer-events:none;box-shadow:none}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;line-height:1.4;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.badge-accent{background:var(--accent-light);color:#0B8C79}
.badge-accent::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.badge-warm{background:var(--warm);color:var(--text-2)}
.badge-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22)}
.badge-dark::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--warm);color:var(--text-2);font-size:13px;font-weight:600;
}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:100;padding:12px 0}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-1);
  padding:12px 24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background-image:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;letter-spacing:0;
  box-shadow:0 8px 18px rgba(255,90,54,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-0.01em}
.brand-text span{font-size:12px;color:var(--muted);font-weight:500}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:14px;border:1px solid transparent;
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:background-color .2s ease,transform .2s ease,color .2s ease,border-color .2s ease;
}
.nav-card svg{width:20px;height:20px;flex:0 0 20px;color:var(--primary)}
.nav-card:hover{background:var(--warm);color:var(--primary-dark);transform:translateY(-2px)}
.nav-card.is-active{background:var(--warm);border-color:var(--primary-light);color:var(--primary-dark)}
.nav-cta{margin-left:6px}
.nav-toggle{
  display:none;margin-left:auto;
  width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;border-radius:2px;background:var(--text);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  display:none;margin-top:10px;padding:18px;
  border-radius:0 0 24px 24px;
  background-image:var(--grad-dark);
  box-shadow:var(--sh-dark);
}
.mobile-panel.is-open{display:block}
.mobile-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.mobile-card{
  display:flex;align-items:center;gap:10px;
  padding:14px;border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.9);font-size:14px;font-weight:600;
}
.mobile-card svg{width:22px;height:22px;color:var(--accent)}
.mobile-card.is-active{border-color:var(--primary)}
.mobile-cta{margin-top:14px;display:block;text-align:center}

@media (max-width:1024px){
  .nav-cards,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
}

/* ============ Hero ============ */
.hero-full{
  position:relative;
  margin-top:8px;
  padding:70px 0 64px;
  text-align:center;
  color:#fff;
  overflow:hidden;
  background-color:#E23F1B;
  background-image:
    linear-gradient(100deg,rgba(255,90,54,.94),rgba(226,63,27,.86)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.hero-full::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:60px;
  background:linear-gradient(180deg,rgba(255,249,245,0),rgba(255,249,245,.9));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px;margin:0 auto}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:#fff;
}
.hero-full h1{margin-top:22px;color:#fff;font-size:30px}
.hero-full .hero-sub{margin-top:16px;font-size:16px;color:rgba(255,255,255,.88);line-height:1.7}
.hero-actions{margin-top:28px;display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.hero-stats{
  margin-top:34px;display:flex;justify-content:center;flex-wrap:wrap;gap:12px;
}
@media (min-width:1024px){
  .hero-full{padding:104px 0 96px}
  .hero-full h1{font-size:50px}
  .hero-full .hero-sub{font-size:18px}
}

/* ============ 错落卡片网格 ============ */
.cards-stagger{display:grid;grid-template-columns:1fr;gap:20px}
.stagger-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.stagger-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.stagger-card .card-badge{position:absolute;top:18px;right:18px;z-index:3}
.stagger-media{position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(120deg,#FF8A3D,#E23F1B)}
.stagger-media img{width:100%;height:100%;object-fit:cover}
.stagger-body{padding:22px 24px 26px}
.stagger-body h3{margin-bottom:10px}
.stagger-body p{color:var(--text-2);font-size:15px}
.stagger-meta{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.card-major .stagger-media{aspect-ratio:16/9}
.card-major .stagger-body{padding:26px 28px 30px}
.card-major .stagger-body h3{font-size:24px}
@media (min-width:768px){
  .cards-stagger{grid-template-columns:repeat(2,1fr)}
  .card-major{grid-column:span 2}
}
@media (min-width:1024px){
  .cards-stagger{grid-template-columns:repeat(3,1fr);gap:24px}
  .card-major{grid-column:span 2;display:grid;grid-template-columns:1.05fr 1fr;align-items:stretch}
  .card-major .stagger-media{aspect-ratio:auto;height:100%;min-height:320px}
  .card-major .stagger-body{display:flex;flex-direction:column;justify-content:center;padding:34px 32px}
}

/* ============ 步骤 / 时间线 ============ */
.steps-band{background:var(--warm);border-radius:28px;padding:44px 24px}
.steps{display:grid;grid-template-columns:1fr;gap:24px;position:relative}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px 22px 24px 22px;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-num{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background-image:var(--grad);color:#fff;
  font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(255,90,54,.26);
}
.step h3{margin-top:16px;font-size:18px}
.step p{margin-top:8px;color:var(--text-2);font-size:14.5px}
.step .tag{margin-top:14px}
@media (min-width:768px){
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .steps-band{padding:56px 44px}
  .steps{grid-template-columns:repeat(4,1fr);gap:20px}
  .steps::before{
    content:"";position:absolute;top:46px;left:6%;right:6%;height:2px;
    background:repeating-linear-gradient(90deg,var(--primary-light) 0 10px,transparent 10px 20px);
    z-index:0;
  }
  .step{z-index:1}
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:880px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .25s ease;
}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 60px 20px 26px;
  font-size:16px;font-weight:700;color:var(--text);
  transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:12px;top:22px;bottom:22px;width:4px;
  border-radius:4px;background-image:var(--grad);opacity:.9;
}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--warm);color:var(--primary-dark);
  font-size:17px;font-weight:800;line-height:1;
  transition:transform .25s ease,background-color .25s ease;
}
.faq-item[open] summary{background:var(--warm)}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-body{padding:6px 26px 24px 26px;color:var(--text-2);font-size:15px}

/* ============ CTA 带 ============ */
.cta-band{
  background-image:var(--grad-dark);
  border-radius:28px;
  padding:32px 24px;
  color:#fff;
  box-shadow:var(--sh-dark);
  display:flex;flex-direction:column;gap:24px;
}
.cta-band h2{color:#fff;font-size:24px}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn{width:100%}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px;border-radius:28px}
  .cta-actions .btn{width:auto}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--section-y);
  background-image:var(--grad-dark);
  color:rgba(255,255,255,.82);
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff}
.footer-brand strong{font-size:17px;font-weight:800;letter-spacing:-0.01em}
.footer-brand .brand-mark{background-image:var(--grad)}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.74)}
.site-footer h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:24px;letter-spacing:.02em}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78)}
.footer-links a:hover{color:#fff}
.footer-form{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.footer-form input{
  flex:1 1 200px;height:48px;padding:0 16px;border-radius:14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:14px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.5)}
.footer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,90,54,.28)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:40px}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr}
}

/* ============ 面包屑 ============ */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:var(--muted);padding:26px 0 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.6}
.crumbs .current{color:var(--primary-dark);font-weight:700}

@media (max-width:520px){
  .hero-full{padding:56px 0 52px}
  .stagger-body{padding:18px 18px 22px}
  .card-major .stagger-body{padding:20px}
  .cta-band{padding:28px 20px}
  .brand-text span{display:none}
}