/* roulang page: index */
:root{
  --c-primary:#7A2E5C;
  --c-primary-deep:#4E1B3C;
  --c-accent:#E06A3B;
  --c-accent-soft:#FBE7DC;
  --c-bg:#FBF7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EDE9;
  --c-text:#1F1A1D;
  --c-text-mute:#6B5F66;
  --c-line:#E8DDD8;
  --c-ok:#2F7D6B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(31,26,29,.06);
  --sh-2:0 10px 28px rgba(122,46,92,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部信息带 */
.topbar{background:rgba(122,46,92,.08);border-bottom:1px solid var(--c-line)}
.topbar-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;min-height:36px;font-size:12px;color:var(--c-text-mute);letter-spacing:.2px}
.topbar-inner .dot{color:var(--c-accent)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--c-line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.4px;color:var(--c-text)}
.brand-mark{position:relative;width:20px;height:20px;border-radius:50%;background:var(--c-primary);flex:none}
.brand-mark::after{content:"";position:absolute;inset:-4px;border:2px solid var(--c-accent);border-radius:50%;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(-35deg)}
.brand small{display:block;font-size:11px;font-weight:400;color:var(--c-text-mute);letter-spacing:0;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;font-size:15px;font-weight:500;padding:6px 0;color:var(--c-text)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(31,26,29,.45);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:70}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;background:var(--c-surface);z-index:80;transform:translateX(100%);transition:transform .24s ease;padding:24px 22px;display:flex;flex-direction:column;gap:6px;box-shadow:-8px 0 30px rgba(31,26,29,.18)}
.drawer.open{transform:translateX(0)}
.drawer-title{font-size:13px;color:var(--c-text-mute);margin-bottom:8px}
.drawer a{display:block;padding:12px 4px;font-size:16px;font-weight:500;border-bottom:1px solid var(--c-line)}
.drawer a:hover{color:var(--c-primary)}
.drawer .btn{margin-top:18px;width:100%}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);padding:12px 22px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--c-text);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-accent-soft);border-color:var(--c-accent)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-invert{background:#fff;color:var(--c-primary-deep)}
.btn-invert:hover{background:var(--c-accent-soft);color:var(--c-primary-deep);transform:translateY(-1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px;text-decoration-color:var(--c-accent)}
.link-arrow:hover{color:var(--c-primary-deep)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:#8A3A18;font-size:12px;font-weight:600;padding:4px 12px;line-height:1.6;letter-spacing:.2px}
.badge--state{background:#fff;border:1px solid var(--c-primary);color:var(--c-primary)}

/* 板块 */
.section{padding:84px 0}
.section--alt{background:var(--c-surface-2)}
.section--white{background:var(--c-surface)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.8vw,31px);line-height:1.3;margin-bottom:12px;letter-spacing:-.2px}
.section-head h2::before{content:"";display:block;width:48px;height:3px;background:var(--c-primary);border-radius:2px;margin-bottom:16px}
.section-head p{color:var(--c-text-mute);font-size:15px}
.section-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.section-head--row .section-head-txt{max-width:720px}

/* Hero */
.hero{position:relative;overflow:hidden;padding:56px 0 76px;background:radial-gradient(120% 110% at 100% 0,rgba(122,46,92,.07),rgba(122,46,92,0) 62%),var(--c-bg)}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:52px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--c-primary);background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}
.hero h1{font-size:clamp(30px,4.2vw,45px);line-height:1.25;letter-spacing:-.4px;margin-bottom:16px}
.hero h1 .kw{display:block;color:var(--c-primary)}
.hero h1 .sub{display:block;font-size:clamp(18px,2.2vw,24px);font-weight:600;color:var(--c-text);margin-top:10px;letter-spacing:0}
.hero-lead{font-size:15.5px;color:var(--c-text-mute);margin-bottom:26px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.hero-trust{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:13px;color:var(--c-text-mute)}
.hero-trust span{display:inline-flex;align-items:center;gap:6px}
.hero-trust span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-ok);display:inline-block}
.hero-feature{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:14px}
.hero-feature-media{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--c-surface-2)}
.hero-feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-feature-tag{position:absolute;left:12px;top:12px;background:#fff;box-shadow:var(--sh-1)}
.hero-feature-body{padding:18px 6px 6px}
.hero-feature-body h2{font-size:18px;line-height:1.45;margin-bottom:8px}
.hero-feature-body p{font-size:14px;color:var(--c-text-mute);margin-bottom:14px}
.hero-feature-list{display:grid;gap:8px;font-size:13.5px;color:var(--c-text)}
.hero-feature-list li{display:flex;gap:8px;align-items:flex-start}
.hero-feature-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);margin-top:9px;flex:none}
.hero-float{position:absolute;right:16px;bottom:16px;background:#fff;border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--sh-2);padding:10px 14px;display:flex;align-items:center;gap:10px;max-width:230px}
.hero-float strong{font-size:22px;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.1}
.hero-float span{font-size:12px;color:var(--c-text-mute);line-height:1.4}

/* 安全主张 */
.safe-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.safe-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.safe-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(122,46,92,.28)}
.safe-icon{width:40px;height:40px;border-radius:12px;background:var(--c-accent-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.safe-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.safe-item h3{font-size:16px;margin-bottom:8px}
.safe-item p{font-size:13.5px;color:var(--c-text-mute);line-height:1.75}

/* 指标看板 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.metric{padding:28px 24px;border-left:1px solid var(--c-line)}
.metric:first-child{border-left:0}
.metric strong{display:block;font-size:clamp(30px,3.4vw,40px);line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:-1px}
.metric span{display:block;font-size:13px;color:var(--c-text-mute);margin-top:6px}
.metrics-note{font-size:13px;color:var(--c-text-mute);margin-top:16px}

/* 服务矩阵 */
.matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.mx-main{grid-column:span 6;grid-row:span 2;display:flex;flex-direction:column}
.mx-sm{grid-column:span 3;display:flex;flex-direction:column}
.mx-wide{grid-column:span 12;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.card:hover{box-shadow:var(--sh-2);border-color:rgba(122,46,92,.28);transform:translateY(-2px)}
.mx-main-media{border-radius:var(--r-img);overflow:hidden;background:var(--c-surface-2);margin-bottom:16px}
.mx-main-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mx-main h3{font-size:20px;margin:10px 0 8px}
.mx-main p{font-size:14.5px;color:var(--c-text-mute);margin-bottom:14px}
.mx-points{display:grid;gap:8px;font-size:13.5px;margin-bottom:16px}
.mx-points li{display:flex;gap:8px;align-items:flex-start;color:var(--c-text)}
.mx-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:9px;flex:none}
.mx-sm h3{font-size:16.5px;margin:12px 0 8px}
.mx-sm p{font-size:13.5px;color:var(--c-text-mute);margin-bottom:14px;line-height:1.75}
.mx-sm .link-arrow{margin-top:auto;font-size:13px}
.mx-icon{width:36px;height:36px;border-radius:10px;background:var(--c-surface-2);color:var(--c-primary);display:flex;align-items:center;justify-content:center}
.mx-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mx-wide h3{font-size:18px;margin:8px 0 6px}
.mx-wide p{font-size:13.5px;color:var(--c-text-mute)}

/* 对比 */
.compare{display:grid;grid-template-columns:1fr 1fr;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.compare-col{padding:28px}
.compare-col + .compare-col{border-left:1px solid var(--c-line)}
.compare-col.before{background:var(--c-surface-2);color:var(--c-text-mute)}
.compare-col.after{background:var(--c-surface);border-left:3px solid var(--c-primary);margin-left:-1px}
.compare-col h3{font-size:16px;margin-bottom:16px;color:var(--c-text)}
.compare-col.before h3{color:var(--c-text-mute)}
.compare-row{display:flex;gap:10px;align-items:flex-start;padding:10px 0;font-size:14px;line-height:1.7;border-top:1px dashed var(--c-line)}
.compare-row:first-of-type{border-top:0;padding-top:0}
.compare-row i{width:16px;height:16px;flex:none;margin-top:6px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-style:normal;font-weight:700}
.before .compare-row i{background:#e6dbd6;color:#8a7d84}
.after .compare-row i{background:rgba(47,125,107,.14);color:var(--c-ok)}

/* 合规徽章 */
.badge-wall{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.badge-wall .badge{font-size:13px;padding:8px 18px;background:#fff;border:1px solid var(--c-line);color:var(--c-primary);box-shadow:var(--sh-1)}
.compliance-note{font-size:14.5px;color:var(--c-text-mute);max-width:820px}

/* 边界说明 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-surface-2)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-text h2{font-size:clamp(23px,2.8vw,31px);line-height:1.3;margin-bottom:14px}
.split-text h2::before{content:"";display:block;width:48px;height:3px;background:var(--c-primary);border-radius:2px;margin-bottom:16px}
.split-text p{font-size:15px;color:var(--c-text-mute);margin-bottom:12px}
.check-list{display:grid;gap:10px;margin-top:18px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px}
.check-list li::before{content:"✓";width:20px;height:20px;border-radius:50%;background:rgba(47,125,107,.12);color:var(--c-ok);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;margin-top:4px}

/* 时间轴 */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;padding-top:8px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:14px;height:2px;background:var(--c-line)}
.tl-node{position:relative;padding-top:34px}
.tl-node::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:50%;background:var(--c-primary);border:3px solid var(--c-surface);box-shadow:0 0 0 2px var(--c-line);z-index:1}
.tl-date{font-size:12px;color:var(--c-primary);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.4px;display:block;margin-bottom:6px}
.tl-node h3{font-size:15.5px;margin-bottom:6px}
.tl-node p{font-size:13px;color:var(--c-text-mute);line-height:1.7}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.news-lead{padding:0;overflow:hidden;display:flex;flex-direction:column}
.news-lead-media{display:block;background:var(--c-surface-2)}
.news-lead-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.news-lead-body{padding:22px 24px 24px}
.news-lead-body h3{font-size:20px;line-height:1.45;margin:10px 0 10px}
.news-lead-body h3 a:hover{color:var(--c-primary)}
.news-lead-body p{font-size:14px;color:var(--c-text-mute);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-time{font-size:12px;color:var(--c-text-mute);font-variant-numeric:tabular-nums}
.news-side{display:grid;gap:16px;align-content:start}
.news-item{display:flex;gap:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:14px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.news-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(122,46,92,.28)}
.news-thumb{flex:none;width:72px;height:72px;border-radius:10px;overflow:hidden;background:var(--c-surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.news-item h4{font-size:14.5px;line-height:1.5;margin:6px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item h4 a:hover{color:var(--c-primary)}
.news-empty{padding:48px 24px;text-align:center;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card)}
.news-empty .empty-ico{width:48px;height:48px;margin:0 auto 12px;border-radius:50%;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;color:rgba(122,46,92,.4)}
.news-empty p{font-size:14px;color:var(--c-text-mute);margin-bottom:14px}

/* 平台保障 */
.support-grid{display:grid;grid-template-columns:repeat(4,1fr);background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.support-item{padding:28px 24px;border-left:1px solid var(--c-line)}
.support-item:first-child{border-left:0}
.support-item svg{width:28px;height:28px;stroke:var(--c-primary);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
.support-item h3{font-size:15px;margin-bottom:6px}
.support-item p{font-size:13px;color:var(--c-text-mute);line-height:1.7}

/* 快速解答 */
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.quick-item{background:var(--c-surface);border-left:3px solid var(--c-accent);border-radius:8px;padding:16px 20px}
.quick-item h3{font-size:14.5px;margin-bottom:6px;color:var(--c-primary-deep)}
.quick-item h3::before{content:"Q：";color:var(--c-accent);font-weight:700}
.quick-item p{font-size:13.5px;color:var(--c-text-mute);line-height:1.75}

/* 评价 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.review-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.review-card:nth-child(2){margin-top:22px}
.stars{color:var(--c-primary);font-size:13px;letter-spacing:2px;margin-bottom:12px}
.review-card p{font-size:14px;line-height:1.85;color:var(--c-text);margin-bottom:18px}
.review-user{display:flex;align-items:center;gap:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--c-surface-2);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex:none}
.review-user b{font-size:13.5px;font-weight:600;display:block}
.review-user span{font-size:12px;color:var(--c-text-mute)}

/* FAQ */
.faq-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:6px 24px;box-shadow:var(--sh-1)}
.faq-item{border-top:1px solid var(--c-line)}
.faq-item:first-child{border-top:0}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 44px 18px 0;position:relative;font-weight:600;font-size:16px;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--c-primary);transition:transform .2s ease}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-body{padding:0 16px 20px;font-size:15px;line-height:1.8;color:var(--c-text-mute)}

/* 转化表单 */
.cta-band{background:var(--c-primary-deep);color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/e3f02f7db62fe239.jpg') center/cover no-repeat;opacity:.14}
.cta-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-text h2{font-size:clamp(23px,2.8vw,31px);line-height:1.3;margin-bottom:14px;color:#fff}
.cta-text p{font-size:14.5px;color:rgba(255,255,255,.82);margin-bottom:18px}
.cta-text .check-list li{color:rgba(255,255,255,.9)}
.cta-text .check-list li::before{background:rgba(255,255,255,.16);color:#fff}
.form-card{background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-2)}
.form-card h3{font-size:18px;margin-bottom:6px;color:var(--c-text)}
.form-card .form-hint{font-size:13px;color:var(--c-text-mute);margin-bottom:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--c-text)}
.field input,.field select,.field textarea{height:44px;border:1px solid var(--c-line);border-radius:10px;padding:0 12px;background:#fff;color:var(--c-text);transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{height:88px;padding:10px 12px;resize:vertical;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(122,46,92,.2)}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.pill-radio{position:relative}
.pill-radio input{position:absolute;opacity:0;width:1px;height:1px}
.pill-radio span{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 16px;border:1px solid var(--c-line);border-radius:var(--r-pill);font-size:13px;cursor:pointer;transition:.18s ease;background:#fff}
.pill-radio input:checked + span{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.pill-radio input:focus-visible + span{outline:2px solid var(--c-accent);outline-offset:2px}
.form-submit{width:100%;margin-top:18px}
.form-privacy{font-size:12px;color:var(--c-text-mute);margin-top:12px;line-height:1.7}
.form-note{margin-top:10px;font-size:13px;color:var(--c-ok);min-height:20px}

/* 下载 */
.download-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center}
.dl-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:18px 0 20px}
.dl-meta div{background:var(--c-surface);border:1px solid var(--c-line);border-radius:10px;padding:12px 14px}
.dl-meta b{display:block;font-size:12px;color:var(--c-text-mute);font-weight:500}
.dl-meta span{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}
.dl-platforms{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.dl-actions{display:flex;flex-wrap:wrap;gap:12px}
.dl-note{font-size:12px;color:var(--c-text-mute);margin-top:14px}
.dl-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-surface-2)}
.dl-media img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.85);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.16)}
.footer-brand .brand{color:#fff;margin-bottom:12px}
.footer-brand .brand small{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.7);margin-bottom:16px}
.social-row{display:flex;gap:10px}
.social-row span{width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.24);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.75)}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col a,.footer-col p{display:block;font-size:13px;color:rgba(255,255,255,.72);line-height:2}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.6)}
.footer-legal{margin-top:14px;display:grid;gap:6px;font-size:12px;color:rgba(255,255,255,.55);line-height:1.8}

/* 响应式 */
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero{padding:44px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .safe-grid{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(3){border-left:0}
  .metric:nth-child(n+3){border-top:1px solid var(--c-line)}
  .matrix{grid-template-columns:repeat(6,1fr)}
  .mx-main{grid-column:span 6;grid-row:auto}
  .mx-sm{grid-column:span 3}
  .mx-wide{grid-column:span 6}
  .split{grid-template-columns:1fr;gap:32px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .timeline::before{display:none}
  .news-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .download-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .support-grid{grid-template-columns:repeat(2,1fr)}
  .support-item:nth-child(3){border-left:0}
  .support-item:nth-child(n+3){border-top:1px solid var(--c-line)}
}
@media (max-width:767px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn{display:none}
  .review-grid{grid-template-columns:1fr}
  .review-card:nth-child(2){margin-top:0}
  .quick-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .compare-col + .compare-col{border-left:0;border-top:1px solid var(--c-line);margin-left:0}
  .compare-col.after{border-left:0;border-top:3px solid var(--c-primary)}
  .news-item h4{font-size:14px}
  .form-row{grid-template-columns:1fr}
}
@media (max-width:639px){
  .section{padding:48px 0}
  .safe-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .metric{border-left:0}
  .metric + .metric{border-top:1px solid var(--c-line)}
  .matrix{grid-template-columns:1fr}
  .mx-main,.mx-sm,.mx-wide{grid-column:span 1}
  .timeline{grid-template-columns:1fr;padding-left:24px}
  .timeline::before{display:block;left:6px;right:auto;top:10px;bottom:10px;width:2px;height:auto}
  .tl-node{padding-top:0;padding-bottom:8px}
  .tl-node::before{left:-24px;top:6px}
  .support-grid{grid-template-columns:1fr}
  .support-item{border-left:0}
  .support-item + .support-item{border-top:1px solid var(--c-line)}
  .footer-grid{grid-template-columns:1fr}
  .dl-meta{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --c-primary:#7A2E5C;
  --c-primary-deep:#4E1B3C;
  --c-accent:#E06A3B;
  --c-accent-soft:#FBE7DC;
  --c-bg:#FBF7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EDE9;
  --c-text:#1F1A1D;
  --c-text-mute:#6B5F66;
  --c-line:#E8DDD8;
  --c-ok:#2F7D6B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(31,26,29,.06);
  --sh-2:0 10px 28px rgba(122,46,92,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease,box-shadow .18s ease,transform .18s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
/* 顶部信息带 */
.topbar{background:rgba(122,46,92,.08);border-bottom:1px solid var(--c-line)}
.topbar-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;min-height:36px;font-size:12px;color:var(--c-text-mute);letter-spacing:.2px}
.topbar-inner .dot{color:var(--c-accent)}
/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--c-line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.4px;color:var(--c-text)}
.brand-mark{position:relative;width:20px;height:20px;border-radius:50%;background:var(--c-primary);flex:none}
.brand-mark::after{content:"";position:absolute;inset:-4px;border:2px solid var(--c-accent);border-radius:50%;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(-35deg)}
.brand small{display:block;font-size:11px;font-weight:400;color:var(--c-text-mute);letter-spacing:0;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;font-size:15px;font-weight:500;padding:6px 0;color:var(--c-text)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(31,26,29,.45);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:70}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;background:var(--c-surface);z-index:80;transform:translateX(100%);transition:transform .24s ease;padding:24px 22px;display:flex;flex-direction:column;gap:6px;box-shadow:-8px 0 30px rgba(31,26,29,.18)}
.drawer.open{transform:translateX(0)}
.drawer-title{font-size:13px;color:var(--c-text-mute);margin-bottom:8px}
.drawer a{display:block;padding:12px 4px;font-size:16px;font-weight:500;border-bottom:1px solid var(--c-line)}
.drawer a:hover{color:var(--c-primary)}
.drawer .btn{margin-top:18px;width:100%}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);padding:12px 22px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--c-text);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-accent-soft);border-color:var(--c-accent)}
.btn-sm{padding:9px 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px;text-decoration-color:var(--c-accent)}
.link-arrow:hover{color:var(--c-primary-deep)}
/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:#8A3A18;font-size:12px;font-weight:600;padding:4px 12px;line-height:1.6;letter-spacing:.2px}
.badge--state{background:#fff;border:1px solid var(--c-primary);color:var(--c-primary)}
/* 板块 */
.section{padding:84px 0}
.section--alt{background:var(--c-surface-2)}
.section--white{background:var(--c-surface)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.8vw,31px);line-height:1.3;margin:0 0 12px;letter-spacing:-.2px}
.section-head h2::before{content:"";display:block;width:48px;height:3px;background:var(--c-primary);border-radius:2px;margin-bottom:16px}
.section-head p{color:var(--c-text-mute);font-size:15px;margin:0}
/* 面包屑 */
.crumbs{background:var(--c-surface-2);border-bottom:1px solid var(--c-line)}
.crumbs-inner{display:flex;align-items:center;gap:16px;min-height:48px;font-size:13px;color:var(--c-text-mute);flex-wrap:wrap}
.crumb-back{color:var(--c-primary);font-weight:600;white-space:nowrap}
.crumb-back:hover{color:var(--c-primary-deep)}
.crumb-trail{display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-width:0}
.crumb-trail .sep{color:var(--c-line)}
.crumb-trail a:hover{color:var(--c-primary)}
.crumb-current{color:var(--c-text);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* 文章头 */
.article-head{padding:56px 0 8px}
.article-head-inner{max-width:820px}
.article-head h1{font-size:clamp(26px,3.4vw,36px);line-height:1.32;letter-spacing:-.3px;margin:0 0 18px;font-weight:700}
.article-head h1::before{content:"";display:block;width:48px;height:3px;background:var(--c-primary);border-radius:2px;margin-bottom:18px}
.article-head .badge{margin-bottom:16px}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12px;color:var(--c-text-mute);letter-spacing:.2px}
.meta-line .sep{color:var(--c-line)}
.article-cover{max-width:820px;margin:30px 0 0;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);background:var(--c-surface-2)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
/* 内容列 */
.content-col{max-width:820px;margin:0 auto}
/* 摘要要点 */
.keypoints{background:var(--c-accent-soft);border-left:3px solid var(--c-primary);border-radius:var(--r-card);padding:22px 26px;margin:38px 0 0}
.keypoints h2{font-size:15px;margin:0 0 10px;color:var(--c-primary-deep);letter-spacing:.2px;line-height:1.6}
.keypoints ul{margin:0;padding-left:18px}
.keypoints li{font-size:15px;line-height:1.8;margin-bottom:6px}
.keypoints li:last-child{margin-bottom:0}
.keypoints li::marker{color:var(--c-primary)}
/* 正文 */
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--c-text);word-break:break-word}
.article-body p{margin:0 0 18px}
.article-body h2{font-size:clamp(21px,2.4vw,24px);line-height:1.38;margin:38px 0 16px;position:relative;padding-left:18px;letter-spacing:-.2px}
.article-body h2::before{content:"";position:absolute;left:0;top:9px;width:8px;height:18px;background:var(--c-primary);border-radius:2px}
.article-body h3{font-size:20px;line-height:1.45;margin:28px 0 12px;color:var(--c-primary-deep)}
.article-body h4{font-size:17px;margin:22px 0 10px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px}
.article-body li{margin-bottom:8px}
.article-body ul li::marker{color:var(--c-primary)}
.article-body ol li::marker{color:var(--c-primary);font-weight:600}
.article-body blockquote{margin:26px 0;padding:16px 22px;border-left:3px solid var(--c-primary);background:var(--c-surface-2);color:var(--c-text-mute);font-style:italic;border-radius:0 var(--r-card) var(--r-card) 0}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:24px 0;width:100%;box-shadow:var(--sh-1)}
.article-body a{color:var(--c-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.article-body a:hover{color:var(--c-accent)}
.article-body code{background:var(--c-surface-2);padding:2px 6px;border-radius:6px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.article-body pre{background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:var(--c-surface-2);font-weight:600}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0}
/* 提示条 */
.notice{display:flex;gap:16px;align-items:flex-start;background:rgba(122,46,92,.06);border:1px solid rgba(122,46,92,.12);border-radius:var(--r-card);padding:20px 24px;margin:36px auto 0;max-width:760px}
.notice-ico{flex:none;width:34px;height:34px;border-radius:50%;background:#fff;border:1px solid rgba(122,46,92,.25);display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-weight:700;font-size:15px}
.notice-txt strong{display:block;font-size:15px;color:var(--c-primary-deep);margin-bottom:4px}
.notice-txt span{display:block;font-size:14px;color:var(--c-text-mute);line-height:1.75}
/* 空态 */
.article-empty{max-width:760px;margin:0 auto;text-align:center;padding:56px 24px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card)}
.article-empty svg{margin:0 auto 16px;color:rgba(122,46,92,.4)}
.article-empty h2{font-size:20px;margin:0 0 8px}
.article-empty p{color:var(--c-text-mute);font-size:14px;margin:0 0 20px}
/* 相关推荐 */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rec-card{display:flex;gap:14px;align-items:flex-start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease}
.rec-card:hover{box-shadow:var(--sh-2);border-color:rgba(122,46,92,.28);transform:translateY(-2px)}
.rec-thumb{width:64px;height:64px;flex:none;border-radius:10px;overflow:hidden;background:var(--c-surface-2)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.rec-body h3{font-size:15px;line-height:1.5;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-body time{font-size:12px;color:var(--c-text-mute)}
/* 上下篇 */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:24px;border-top:1px solid var(--c-line);padding-top:24px}
.pager a{display:flex;flex-direction:column;gap:6px;font-size:15px;font-weight:600;color:var(--c-text)}
.pager a:hover{color:var(--c-primary)}
.pager .pager-label{font-size:12px;font-weight:400;color:var(--c-text-mute);letter-spacing:.4px}
.pager .pager-next{text-align:right;align-items:flex-end}
/* 收尾条 */
.endbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px;background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;text-align:center}
.endbar p{margin:0;font-size:14px;color:var(--c-text-mute)}
/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.85);padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{color:#fff;font-size:17px;margin-bottom:14px}
.footer-brand .brand small{color:rgba(255,255,255,.62)}
.footer-brand p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.72);margin:0 0 16px;max-width:34ch}
.social-row{display:flex;gap:10px}
.social-row span{width:30px;height:30px;border-radius:50%;border:1px solid rgba(255,255,255,.28);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.75)}
.footer-col h4{font-size:14px;color:#fff;margin:0 0 14px;font-weight:600;letter-spacing:.3px}
.footer-col a,.footer-col p{display:block;font-size:13px;color:rgba(255,255,255,.72);margin:0 0 10px;line-height:1.7}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:18px;font-size:12px;color:rgba(255,255,255,.6)}
.footer-legal{display:flex;flex-direction:column;gap:6px;margin-top:12px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}
/* 响应式 */
@media (max-width:1023px){
  .section{padding:64px 0}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-head{padding:44px 0 4px}
}
@media (max-width:767px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn{display:none}
  .nav-inner{height:60px}
  .section{padding:48px 0}
  .rec-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr;gap:16px}
  .pager .pager-next{text-align:left;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .crumb-current{white-space:normal;max-width:none}
  .keypoints{padding:18px 20px}
  .notice{padding:16px 18px;gap:12px}
  .article-body h2{margin-top:30px}
  .endbar{flex-direction:column}
  .endbar .btn{width:100%}
}
@media (max-width:519px){
  .wrap{padding:0 16px}
  .topbar-inner{font-size:11px;gap:6px;text-align:center}
  .article-head h1{font-size:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --c-primary:#7A2E5C;
  --c-primary-deep:#4E1B3C;
  --c-accent:#E06A3B;
  --c-accent-soft:#FBE7DC;
  --c-bg:#FBF7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EDE9;
  --c-text:#1F1A1D;
  --c-text-mute:#6B5F66;
  --c-line:#E8DDD8;
  --c-ok:#2F7D6B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(31,26,29,.06);
  --sh-2:0 10px 28px rgba(122,46,92,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部信息带 */
.topbar{background:rgba(122,46,92,.08);border-bottom:1px solid var(--c-line)}
.topbar-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;min-height:36px;font-size:12px;color:var(--c-text-mute);letter-spacing:.2px;text-align:center}
.topbar-inner .dot{color:var(--c-accent)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--c-line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.4px;color:var(--c-text)}
.brand-mark{position:relative;width:20px;height:20px;border-radius:50%;background:var(--c-primary);flex:none}
.brand-mark::after{content:"";position:absolute;inset:-4px;border:2px solid var(--c-accent);border-radius:50%;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(-35deg)}
.brand small{display:block;font-size:11px;font-weight:400;color:var(--c-text-mute);letter-spacing:0;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;font-size:15px;font-weight:500;padding:6px 0;color:var(--c-text)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(31,26,29,.45);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:70}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;background:var(--c-surface);z-index:80;transform:translateX(100%);transition:transform .24s ease;padding:24px 22px;display:flex;flex-direction:column;gap:6px;box-shadow:-8px 0 30px rgba(31,26,29,.18)}
.drawer.open{transform:translateX(0)}
.drawer-title{font-size:13px;color:var(--c-text-mute);margin:0 0 8px}
.drawer a{display:block;padding:12px 4px;font-size:16px;font-weight:500;border-bottom:1px solid var(--c-line)}
.drawer a:hover{color:var(--c-primary)}
.drawer .btn{margin-top:18px;width:100%}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);padding:12px 22px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--c-text);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-accent-soft);border-color:var(--c-accent)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-invert{background:#fff;color:var(--c-primary-deep)}
.btn-invert:hover{background:var(--c-accent-soft);color:var(--c-primary-deep);transform:translateY(-1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px;text-decoration-color:var(--c-accent)}
.link-arrow:hover{color:var(--c-primary-deep)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:#8A3A18;font-size:12px;font-weight:600;padding:4px 12px;line-height:1.6;letter-spacing:.2px}
.badge--state{background:#fff;border:1px solid var(--c-primary);color:var(--c-primary)}

/* 面包屑 */
.crumb-bar{background:var(--c-surface-2);border-bottom:1px solid var(--c-line)}
.crumb-inner{display:flex;align-items:center;flex-wrap:wrap;gap:8px;min-height:48px;font-size:13px;color:var(--c-text-mute)}
.crumb-back{display:inline-flex;align-items:center;gap:4px;color:var(--c-primary);font-weight:600;margin-right:8px}
.crumb-back:hover{color:var(--c-primary-deep)}
.crumb-sep{color:#B9AAA4}
.crumb-inner a:not(.crumb-back):hover{color:var(--c-primary)}
.crumb-now{color:var(--c-text);font-weight:500}

/* 板块 */
.section{padding:84px 0}
.section--alt{background:var(--c-surface-2)}
.section--white{background:var(--c-surface)}
.section-head{max-width:760px;margin:0 0 36px}
.section-head h2{font-size:clamp(23px,2.8vw,31px);line-height:1.3;margin:0 0 12px;letter-spacing:-.2px;font-weight:700}
.section-head h2::before{content:"";display:block;width:48px;height:3px;background:var(--c-primary);border-radius:2px;margin-bottom:16px}
.section-head p{color:var(--c-text-mute);font-size:15px;margin:0}
.section-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* 分类标题带 */
.cat-hero{padding:52px 0 58px;background:linear-gradient(180deg,rgba(122,46,92,.075),rgba(122,46,92,0) 92%),var(--c-bg);border-bottom:1px solid var(--c-line)}
.cat-hero .cat-tag{margin-bottom:16px}
.cat-hero h1{font-size:clamp(28px,3.7vw,40px);line-height:1.28;margin:0 0 16px;max-width:920px;letter-spacing:-.3px;font-weight:700}
.cat-hero h1 em{font-style:normal;color:var(--c-primary)}
.cat-hero .lead{max-width:780px;margin:0 0 24px;color:var(--c-text-mute);font-size:16px}
.cat-stats{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13px;color:var(--c-text-mute)}
.cat-stats span{display:inline-flex;align-items:center;gap:8px}
.cat-stats i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}
.cat-stats b{color:var(--c-primary);font-weight:700;font-variant-numeric:tabular-nums}

/* 筛选条 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{border:1px solid var(--c-line);background:#fff;color:var(--c-text-mute);border-radius:var(--r-pill);padding:7px 16px;font-size:13px;font-weight:600;cursor:pointer;transition:all .18s ease}
.chip:hover{border-color:var(--c-accent);color:var(--c-primary);background:var(--c-accent-soft)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* 列表卡 */
.post-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.post-card{display:flex;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease}
.post-card:hover{box-shadow:var(--sh-2);border-color:rgba(122,46,92,.28);transform:translateY(-2px)}
.post-thumb{flex:none;width:168px}
.post-thumb img{width:168px;height:126px;aspect-ratio:4/3;object-fit:cover;background:var(--c-surface-2);border-radius:var(--r-img)}
.post-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.post-tags{display:flex;flex-wrap:wrap;gap:6px}
.post-title{font-size:18px;line-height:1.45;margin:0;font-weight:700}
.post-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a:hover{color:var(--c-primary)}
.post-excerpt{margin:0;font-size:14px;line-height:1.7;color:var(--c-text-mute);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--c-text-mute);font-variant-numeric:tabular-nums}
.empty{grid-column:1/-1;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);padding:56px 24px;text-align:center;color:var(--c-text-mute)}
.empty svg{width:48px;height:48px;margin:0 auto 14px;color:rgba(122,46,92,.4)}
.empty p{margin:0 0 16px;font-size:14px}

/* 导读卡 */
.guide-grid{display:grid;grid-template-columns:6fr 5fr;gap:40px;align-items:center}
.guide-copy h2{font-size:clamp(23px,2.6vw,29px);line-height:1.32;margin:0 0 14px;font-weight:700}
.guide-copy p{color:var(--c-text-mute);margin:0 0 16px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.check-list li{position:relative;padding-left:28px;font-size:15px}
.check-list li::before{content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;background:rgba(47,125,107,.12);border:1px solid var(--c-ok)}
.check-list li::after{content:"";position:absolute;left:5px;top:13px;width:6px;height:3px;border-left:2px solid var(--c-ok);border-bottom:2px solid var(--c-ok);transform:rotate(-45deg)}
.guide-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2)}

/* 四步 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(122,46,92,.28)}
.step-num{width:44px;height:44px;border-radius:50%;background:rgba(122,46,92,.1);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;font-variant-numeric:tabular-nums;margin-bottom:14px}
.step h3{font-size:17px;margin:0 0 8px;font-weight:700}
.step p{margin:0;font-size:14px;color:var(--c-text-mute);line-height:1.75}

/* 对照要点 */
.compare-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.compare-row{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:20px 24px;border-bottom:1px solid var(--c-line);align-items:start}
.compare-row:last-child{border-bottom:0}
.compare-row dt{color:var(--c-primary);font-size:13px;font-weight:700;letter-spacing:.4px}
.compare-row dd{margin:0;font-size:15px;color:var(--c-text)}
.compare-row dd span{display:block;font-size:13px;color:var(--c-text-mute);margin-top:4px}

/* 数据条 */
.data-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.data-cell{padding:26px 22px;border-left:1px solid var(--c-line)}
.data-cell:first-child{border-left:0}
.data-cell b{display:block;font-size:clamp(28px,3vw,36px);line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.data-cell span{display:block;margin-top:8px;font-size:13px;color:var(--c-text-mute)}

/* FAQ */
.faq{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:600;transition:color .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";flex:none;width:12px;height:12px;border-right:2px solid var(--c-text-mute);border-bottom:2px solid var(--c-text-mute);transform:rotate(45deg);transition:transform .2s ease,border-color .2s ease}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--c-primary)}
.faq-body{padding:0 22px 20px 22px;color:var(--c-text-mute);font-size:15px;line-height:1.8}

/* 收尾条 */
.end-bar{background:var(--c-surface-2);border-top:1px solid var(--c-line);padding:44px 0}
.end-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.end-inner h2{font-size:clamp(20px,2.4vw,25px);margin:0 0 8px;font-weight:700}
.end-inner p{margin:0;color:var(--c-text-mute);font-size:14px}
.end-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.85);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.14)}
.site-footer .brand{color:#fff;font-size:17px}
.site-footer .brand small{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.7);margin:16px 0 18px;max-width:320px}
.social-row{display:flex;gap:10px}
.social-row span{width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.24);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.75)}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-col h4{font-size:14px;color:#fff;margin:0 0 8px;font-weight:700}
.footer-col a,.footer-col p{font-size:13px;color:rgba(255,255,255,.72);margin:0}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:20px 0 12px;font-size:12px;color:rgba(255,255,255,.62)}
.footer-legal{display:grid;gap:6px;font-size:12px;color:rgba(255,255,255,.55);line-height:1.7;padding-bottom:8px}

/* 响应式 */
@media (max-width:1023px){
  .nav-links{gap:20px}
  .post-list{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .data-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .data-cell:nth-child(3){border-left:0}
  .data-cell:nth-child(-n+2){border-bottom:1px solid var(--c-line)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:767px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-primary{display:none}
  .section{padding:58px 0}
  .cat-hero{padding:38px 0 44px}
  .post-thumb,.post-thumb img{width:100%;height:auto}
  .post-card{flex-direction:column;gap:14px}
  .post-thumb img{aspect-ratio:16/9}
  .compare-row{grid-template-columns:1fr;gap:6px;padding:18px 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .steps{grid-template-columns:1fr}
  .data-strip{grid-template-columns:1fr}
  .data-cell{border-left:0;border-bottom:1px solid var(--c-line)}
  .data-cell:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .end-actions{width:100%}
  .end-actions .btn{width:100%}
}