/* roulang page: index */
:root{
  --ink-900:#14121F;
  --ink-800:#1F1B33;
  --primary:#4A3D8F;
  --primary-600:#5F51B0;
  --primary-100:#ECE8F7;
  --accent:#D9A24B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --surface-2:#F1EEE9;
  --line:#E4E0D8;
  --text:#1E1B2E;
  --text-2:#5B5670;
  --text-3:#8C87A0;
  --ok:#3E7A5E;
  --warn:#B4762A;
  --err:#A6473F;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(20,18,31,.06);
  --sh-md:0 8px 24px rgba(20,18,31,.07);
  --sh-lg:0 14px 36px rgba(20,18,31,.10);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --font-ui:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-ui);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);}
a:hover{color:var(--primary-600);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600;letter-spacing:.005em;}
p{margin:0 0 1.35em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--r-sm);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{font-family:var(--font-display);font-size:30px;line-height:1.3;position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--accent);border-radius:2px;}
.section-desc{margin-top:10px;font-size:14px;color:var(--text-2);padding-left:16px;max-width:640px;}
.eyebrow{font-size:12px;color:var(--text-3);letter-spacing:.08em;text-transform:uppercase;}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink-900);color:#EDE9F5;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-text{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;}
.topbar-close{color:#B7B1C9;font-size:12px;padding:6px 8px;border-radius:var(--r-sm);min-height:24px;}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.08);}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,244,240,.92);border-bottom:1px solid var(--line);transition:background-color var(--t),box-shadow var(--t);}
.site-header.scrolled{background:rgba(246,244,240,.97);box-shadow:0 1px 0 rgba(20,18,31,.04);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.logo:hover{color:var(--text);}
.logo-mark{width:30px;height:30px;flex:0 0 auto;color:var(--primary);}
.logo-text{font-size:18px;font-weight:600;letter-spacing:.01em;white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{position:relative;display:inline-block;font-size:15px;color:var(--text-2);padding:6px 0;min-height:44px;line-height:32px;}
.nav-link:hover{color:var(--primary);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{content:"";position:absolute;left:0;bottom:4px;width:16px;height:2px;background:var(--primary);border-radius:2px;}
.nav-link.active::before{content:"";position:absolute;right:-8px;bottom:9px;width:4px;height:4px;border-radius:50%;background:var(--accent);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-md);font-size:15px;font-weight:500;white-space:nowrap;border:1px solid transparent;transition:var(--t);}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-600);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--line);}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary);}
.btn-accent{background:var(--accent);color:var(--ink-900);}
.btn-accent:hover{background:#C9923C;color:var(--ink-900);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#F2EFF8;border-color:rgba(255,255,255,.34);}
.btn-outline-light:hover{background:rgba(255,255,255,.10);color:#fff;}
.btn-sm{height:34px;padding:0 16px;font-size:14px;border-radius:var(--r-md);}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary);border-bottom:1.5px solid rgba(74,61,143,.35);padding-bottom:2px;line-height:1.6;}
.link-arrow:hover{border-bottom-color:var(--primary);color:var(--primary-600);}
.link-arrow svg{width:14px;height:14px;flex:0 0 auto;}

/* ============ 徽章 / 标签 ============ */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;line-height:1;letter-spacing:.02em;white-space:nowrap;}
.tag-accent{background:rgba(217,162,75,.14);border:1px solid rgba(217,162,75,.5);color:#8A6520;}
.tag-plain{background:var(--primary-100);color:var(--primary);}
.badge-recommend{position:absolute;top:14px;right:14px;z-index:2;background:var(--accent);color:var(--ink-900);font-size:12px;height:24px;display:inline-flex;align-items:center;padding:0 10px;border-radius:var(--r-pill);}

/* ============ Hero ============ */
.hero{padding:72px 0 88px;}
.hero-grid{display:grid;grid-template-columns:46% 54%;gap:56px;align-items:center;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-pill);font-size:12px;color:var(--text-2);background:var(--surface);}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero-title{font-family:var(--font-display);font-size:clamp(34px,5vw,56px);line-height:1.22;margin:22px 0 18px;letter-spacing:.01em;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:16px;color:var(--text-2);max-width:520px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-row{display:flex;align-items:stretch;gap:0;border-top:1px solid var(--line);padding-top:22px;}
.trust-item{flex:1;padding:0 18px;border-left:1px solid var(--line);}
.trust-item:first-child{border-left:0;padding-left:0;}
.trust-item svg{width:20px;height:20px;color:var(--primary);margin-bottom:8px;}
.trust-item strong{display:block;font-size:15px;font-weight:600;margin-bottom:2px;}
.trust-item span{display:block;font-size:13px;color:var(--text-3);line-height:1.6;}
.hero-visual{position:relative;}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-md);background:var(--surface-2);aspect-ratio:4/3;}
.hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.hero-figure:hover img{transform:scale(1.03);}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(30,25,58,.10),rgba(20,18,31,.34));pointer-events:none;}
.hero-stars{position:absolute;inset:0;pointer-events:none;opacity:.10;background-image:radial-gradient(circle,rgba(255,255,255,.9) 1px,transparent 1px);background-size:38px 38px;}
.hero-float{position:absolute;right:-8px;bottom:-14px;width:200px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:16px;}
.hero-float strong{display:block;font-family:var(--font-display);font-size:24px;color:var(--primary);line-height:1.2;}
.hero-float span{display:block;font-size:13px;color:var(--text-3);margin-top:6px;line-height:1.6;}

/* ============ 保障条 ============ */
.assure{border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.assure-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:0;min-height:96px;align-items:center;}
.assure-item{display:flex;align-items:flex-start;gap:12px;padding:0 22px;border-left:1px solid var(--line);}
.assure-item:first-child{border-left:0;padding-left:0;}
.assure-item svg{width:22px;height:22px;color:var(--primary);flex:0 0 auto;margin-top:4px;}
.assure-item strong{display:block;font-size:15px;font-weight:600;}
.assure-item span{display:block;font-size:13px;color:var(--text-3);}

/* ============ 卡片网格 ============ */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:var(--t);}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.card-media{display:block;position:relative;overflow:hidden;background:var(--surface-2);aspect-ratio:16/10;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-title a{color:var(--text);}
.card-title a:hover{color:var(--primary);}
.card-text{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.meta{font-size:13px;color:var(--text-3);}
.feature-card .card-media{aspect-ratio:16/11;}
.feature-card .card-title{font-size:22px;-webkit-line-clamp:3;}
.feature-card .card-text{-webkit-line-clamp:3;}

/* ============ 评价轮播 ============ */
.reviews{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.carousel-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px;}
.carousel-nav{display:flex;gap:10px;}
.carousel-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;transition:var(--t);}
.carousel-btn:hover{background:var(--primary-100);border-color:var(--primary-100);}
.carousel-btn svg{width:18px;height:18px;}
.review-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px;}
.review-track::-webkit-scrollbar{display:none;}
.review-card{flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--sh-sm);}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--primary-100);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;flex:0 0 auto;}
.review-name{font-size:15px;font-weight:600;line-height:1.4;}
.review-role{font-size:12px;color:var(--text-3);}
.stars{display:flex;gap:3px;}
.stars svg{width:14px;height:14px;color:var(--accent);}
.review-text{font-size:15px;color:var(--text-2);line-height:1.75;}
.review-date{font-size:13px;color:var(--text-3);margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}
.dots{display:flex;justify-content:center;gap:8px;margin-top:26px;}
.dot{width:6px;height:6px;border-radius:var(--r-pill);background:var(--line);transition:var(--t);}
.dot.active{width:12px;background:var(--primary);}

/* ============ 最新信息 ============ */
.news-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:start;}
.lead-card .card-media{aspect-ratio:16/10;}
.lead-card .card-title{font-size:22px;-webkit-line-clamp:3;}
.lead-card .card-text{-webkit-line-clamp:3;}
.news-list{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);overflow:hidden;}
.news-row + .news-row{border-top:1px solid var(--line);}
.news-row a{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;color:var(--text);min-height:44px;}
.news-row a:hover{background:var(--surface-2);color:var(--text);}
.row-index{font-size:13px;color:var(--accent);font-weight:600;padding-top:3px;flex:0 0 auto;}
.row-main{flex:1;min-width:0;}
.row-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:16px;font-weight:600;line-height:1.5;}
.row-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;color:var(--text-2);line-height:1.7;margin-top:4px;}
.row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex:0 0 auto;}
.row-meta time{font-size:13px;color:var(--text-3);}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-lg);padding:48px 24px;text-align:center;background:var(--surface-2);}
.empty-state svg{width:26px;height:26px;color:var(--text-3);margin:0 auto 12px;}
.empty-state p{font-size:14px;color:var(--text-2);margin-bottom:10px;}

/* ============ 分类入口带 ============ */
.cat-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.cat-item{display:flex;flex-direction:column;gap:8px;padding:28px 24px;border-left:1px solid var(--line);color:var(--text);transition:var(--t);min-height:44px;}
.cat-item:first-child{border-left:0;}
.cat-item:hover{background:var(--primary-100);color:var(--text);}
.cat-item h3{font-size:18px;font-weight:600;}
.cat-item p{font-size:13px;color:var(--text-2);line-height:1.7;margin:0;}
.cat-item .link-arrow{margin-top:6px;font-size:13px;border-bottom:0;padding:0;color:var(--primary);}
.cat-item:hover .link-arrow{color:var(--primary-600);}

/* ============ CTA 通栏 ============ */
.cta-band{background:var(--ink-900);border-radius:var(--r-lg);padding:48px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.10;background-image:radial-gradient(circle,rgba(255,255,255,.85) 1px,transparent 1px);background-size:34px 34px;pointer-events:none;}
.cta-content{position:relative;z-index:1;max-width:620px;}
.cta-content h2{font-family:var(--font-display);font-size:28px;color:#F5F2FA;line-height:1.35;margin-bottom:12px;}
.cta-content p{font-size:15px;color:#B9B2CC;margin:0;}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 22px;text-align:left;font-size:16px;font-weight:500;color:var(--text);min-height:44px;}
.faq-q:hover{color:var(--primary);}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:var(--t);}
.faq-icon::before{left:2px;right:2px;top:9px;height:1.5px;}
.faq-icon::after{top:2px;bottom:2px;left:9px;width:1.5px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2);background:var(--surface-2);}
.faq-item.open .faq-a{display:block;padding-top:16px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#C6C0D6;margin-top:96px;position:relative;}
.footer-stars{height:1px;background:var(--line);opacity:.25;}
.footer-stars::after{content:"";display:block;height:52px;margin-top:-52px;opacity:.12;background-image:radial-gradient(circle,rgba(255,255,255,.9) 1px,transparent 1px);background-size:32px 32px;pointer-events:none;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px;position:relative;z-index:1;}
.footer-brand .logo-text{color:#F5F2FA;}
.footer-brand .logo-mark{color:var(--accent);}
.footer-desc{font-size:14px;color:#9C95B2;line-height:1.8;margin:16px 0 18px;max-width:300px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{width:36px;height:36px;border:1px solid rgba(255,255,255,.18);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#C6C0D6;}
.footer-social a:hover{background:rgba(255,255,255,.08);color:#fff;}
.footer-social svg{width:18px;height:18px;}
.footer-col h4{font-size:15px;color:#F5F2FA;margin-bottom:18px;font-weight:600;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#9C95B2;}
.footer-links a:hover{color:#fff;}
.footer-info{font-size:14px;color:#9C95B2;line-height:1.9;}
.footer-info strong{color:#E4DFF0;font-weight:500;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:#8C85A3;flex-wrap:wrap;}

/* ============ 移动端 ============ */
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);}
.menu-toggle svg{width:20px;height:20px;color:var(--text);}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--surface);border-left:1px solid var(--line);transform:translateX(102%);transition:transform var(--t);z-index:90;display:flex;flex-direction:column;padding:20px;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-md);}
.drawer-nav{padding:8px 0;flex:1;overflow-y:auto;}
.drawer-nav a{display:flex;align-items:center;font-size:17px;color:var(--text);height:52px;border-bottom:1px solid var(--line);}
.drawer-nav a.active{color:var(--primary);font-weight:600;}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line);}
.scrim{position:fixed;inset:0;background:rgba(20,18,31,.36);opacity:0;visibility:hidden;transition:var(--t);z-index:80;}
.scrim.open{opacity:1;visibility:visible;}

.mobile-bar{display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:70;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-lg);padding:10px 12px;align-items:center;justify-content:space-between;gap:12px;}
.mobile-bar span{font-size:13px;color:var(--text-2);}
.mobile-bar .btn{height:40px;padding:0 16px;font-size:14px;}

@media (max-width:1023px){
  .nav-list{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .menu-toggle{display:inline-flex;}
  .hero{padding:48px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .cat-item:nth-child(3){border-left:0;}
  .cat-item{border-top:1px solid var(--line);}
  .cat-item:nth-child(-n+2){border-top:0;}
  .review-card{flex:0 0 calc((100% - 24px)/2);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-title{font-size:24px;}
  .nav-inner{height:60px;}
  .logo-text{font-size:16px;}
  .hero-title{font-size:clamp(28px,7vw,36px);}
  .hero-float{position:static;width:100%;margin-top:16px;}
  .trust-row{flex-direction:column;gap:16px;padding-top:18px;}
  .trust-item{border-left:0;padding:0;}
  .assure-inner{grid-template-columns:1fr;padding:16px 0;}
  .assure-item{border-left:0;padding:14px 0;}
  .grid-cards{grid-template-columns:1fr;}
  .card-body{padding:18px;}
  .review-card{flex:0 0 100%;}
  .news-row a{flex-direction:column;gap:8px;}
  .row-meta{flex-direction:row;align-items:center;gap:10px;}
  .cta-band{padding:28px;}
  .cta-content h2{font-size:22px;}
  .cat-grid{grid-template-columns:1fr;}
  .cat-item{border-left:0;border-top:1px solid var(--line);}
  .cat-item:first-child{border-top:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-bar{display:flex;}
  .site-footer{margin-top:64px;padding-bottom:64px;}
}
@media (max-width:479px){
  .hero-title{font-size:26px;}
  .section-title{font-size:22px;}
  .hero-cta .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink-900:#14121F;
  --ink-800:#1F1B33;
  --primary:#4A3D8F;
  --primary-600:#5F51B0;
  --primary-100:#ECE8F7;
  --accent:#D9A24B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --surface-2:#F1EEE9;
  --line:#E4E0D8;
  --text:#1E1B2E;
  --text-2:#5B5670;
  --text-3:#8C87A0;
  --ok:#3E7A5E;
  --warn:#B4762A;
  --err:#A6473F;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --sh-sm:0 1px 2px rgba(20,18,31,.06);
  --sh-md:0 8px 24px rgba(20,18,31,.07);
  --sh-lg:0 14px 36px rgba(20,18,31,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease);}
a:hover{color:var(--primary-600);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;letter-spacing:.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部信息条 ---------- */
.top-bar{background:var(--ink-900);color:#CFC9E2;font-size:13px;}
.top-bar .container{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px;}
.top-bar p{margin:0;line-height:1.4;}
.top-bar button{color:#CFC9E2;font-size:13px;padding:4px 6px;border-radius:var(--r-sm);transition:color var(--ease),background-color var(--ease);}
.top-bar button:hover{color:#fff;background:rgba(255,255,255,.08);}
.top-bar.is-hidden{display:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:background-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{background:rgba(246,244,240,.94);box-shadow:var(--sh-sm);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{width:26px;height:26px;color:var(--primary);flex:none;}
.logo-text{font-size:18px;font-weight:600;letter-spacing:.02em;white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:26px 0;
  font-size:15px;
  color:var(--text-2);
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:18px;
  width:0;height:2px;background:var(--primary);
  border-radius:999px;
  transition:width var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:16px;}
.nav-link.active{color:var(--primary);font-weight:500;}
.nav-link.active::after{width:16px;}
.nav-link.active::before{
  content:"";position:absolute;right:-8px;bottom:20px;
  width:4px;height:4px;border-radius:50%;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;color:var(--text);}
.nav-toggle svg{width:22px;height:22px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:500;line-height:1;
  border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--primary-600);color:#fff;}
.btn-ghost{border-color:var(--line);color:var(--primary);background:transparent;}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary);border-color:var(--primary-100);}
.btn-gold{background:var(--accent);color:var(--ink-900);}
.btn-gold:hover{background:#C8903B;color:var(--ink-900);}
.btn-light{border-color:rgba(255,255,255,.34);color:#fff;background:transparent;}
.btn-light:hover{background:rgba(255,255,255,.10);color:#fff;}
.btn-sm{height:34px;padding:0 16px;font-size:14px;border-radius:var(--r-sm);}
.btn-lg{height:52px;padding:0 30px;}
.btn svg{width:14px;height:14px;}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:500;
  border-bottom:1px solid var(--primary);
  padding-bottom:1px;
  transition:color var(--ease),border-color var(--ease);
}
.text-link:hover{color:var(--primary-600);border-color:var(--primary-600);}
.text-link svg{width:14px;height:14px;}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--text-3);}
.crumb ol{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow:hidden;}
.crumb li{white-space:nowrap;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 分类页头 ---------- */
.page-head{padding:34px 0 40px;border-bottom:1px solid var(--line);}
.page-head-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;
  background:var(--primary-100);color:var(--primary);
  margin-bottom:18px;
}
.badge.gold{background:rgba(217,162,75,.16);color:var(--warn);}
.page-head h1{
  font-family:var(--font-display);
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.25;
  margin-bottom:14px;
}
.page-head .lead{font-size:16px;color:var(--text-2);max-width:560px;}
.page-head-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);}
.page-head-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ---------- 板块 ---------- */
.section{padding:96px 0 0;}
.section:last-of-type{padding-bottom:96px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{
  font-family:var(--font-display);
  font-size:30px;line-height:1.3;
  position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  background:var(--accent);border-radius:2px;
}
.section-head .sub{font-size:14px;color:var(--text-3);margin-top:8px;padding-left:16px;}
.section-head h3{font-size:22px;}

/* ---------- 图文交替 ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.duo + .duo{margin-top:72px;}
.duo.reverse .duo-media{order:2;}
.duo-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-sm);}
.duo-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--ease);}
.duo-media:hover img{transform:scale(1.03);}
.duo-body h2{
  font-family:var(--font-display);
  font-size:26px;line-height:1.35;margin-bottom:18px;
  position:relative;padding-left:14px;
}
.duo-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;
  background:var(--accent);border-radius:2px;
}
.duo-body p{color:var(--text-2);margin-bottom:1.35em;}
.duo-body p:last-child{margin-bottom:0;}
.point-list{margin-top:18px;}
.point-list li{
  position:relative;padding-left:18px;margin-bottom:12px;
  font-size:15px;color:var(--text-2);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:5px;height:5px;border-radius:50%;background:var(--accent);
}

/* ---------- 对比表 ---------- */
.table-scroll{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);box-shadow:var(--sh-sm);
}
table.cmp{width:100%;border-collapse:collapse;min-width:720px;}
table.cmp th,table.cmp td{
  padding:18px 20px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--line);vertical-align:top;
}
table.cmp thead th{
  background:var(--surface-2);
  font-size:15px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
table.cmp thead th:first-child{width:170px;color:var(--text-2);font-weight:500;}
table.cmp tbody tr:nth-child(even){background:var(--bg);}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp td:first-child{color:var(--text-2);font-weight:500;}
table.cmp .col-hl{background:rgba(217,162,75,.10);}
table.cmp thead .col-hl{background:rgba(217,162,75,.18);color:var(--ink-900);}
table.cmp .tag{
  display:inline-block;font-size:12px;line-height:1;
  padding:6px 10px;border-radius:999px;
  background:var(--primary-100);color:var(--primary);margin-bottom:8px;
}
.table-note{font-size:13px;color:var(--text-3);margin-top:14px;}

/* ---------- 卡片组 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:#D8D2C6;}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .corner{
  position:absolute;top:12px;right:12px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
  background:var(--accent);color:var(--ink-900);
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.chip{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;
  background:var(--primary-100);color:var(--primary);
  align-self:flex-start;
}
.chip.gold{background:rgba(217,162,75,.16);color:var(--warn);}
.card h3{font-size:18px;line-height:1.45;}
.card h3 a{color:var(--text);}
.card h3 a:hover{color:var(--primary);}
.card p{font-size:14px;line-height:1.7;color:var(--text-2);}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-top:64px;
}
.stats div{padding:28px 20px;border-right:1px solid var(--line);}
.stats div:last-child{border-right:0;}
.stats strong{display:block;font-family:var(--font-display);font-size:28px;line-height:1.2;color:var(--primary);}
.stats span{display:block;font-size:13px;color:var(--text-3);margin-top:6px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  border-radius:var(--r-lg);
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(circle,rgba(217,162,75,.42) 1px,transparent 1px),
    radial-gradient(circle,rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:78px 78px,132px 132px;
  background-position:0 0,40px 30px;
  opacity:.12;pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-family:var(--font-display);font-size:28px;color:#fff;margin-bottom:12px;}
.cta-band p{color:#B9B3CB;font-size:15px;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink-900);color:#B9B3CB;margin-top:96px;overflow:hidden;}
.footer-stars{
  height:1px;background:rgba(255,255,255,.10);
  position:relative;
}
.footer-stars::after{
  content:"";position:absolute;inset:-40px 0 auto 0;height:40px;
  background-image:radial-gradient(circle,rgba(217,162,75,.5) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.12;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-mark{color:var(--accent);}
.footer-brand .logo-text{color:#fff;}
.footer-desc{font-size:14px;color:#9E98B4;max-width:320px;margin-bottom:20px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.14);color:#CFC9E2;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.footer-social a:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.24);}
.footer-social svg{width:19px;height:19px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#9E98B4;font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-info p{font-size:14px;color:#9E98B4;margin-bottom:12px;line-height:1.75;}
.footer-info strong{color:#CFC9E2;font-weight:500;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8C87A0;
}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,18,31,.42);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:70;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;
  background:var(--bg);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform var(--ease);
  z-index:80;
  display:flex;flex-direction:column;
  padding:18px 0 20px;
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--line);}
.drawer-head span{font-size:15px;font-weight:600;}
.drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);}
.drawer-close svg{width:20px;height:20px;}
.drawer-nav{padding:8px 0;flex:1;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;height:52px;padding:0 20px;
  font-size:17px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--primary);background:var(--primary-100);}
.drawer-cta{padding:16px 20px 0;border-top:1px solid var(--line);}
.drawer-cta .btn{width:100%;}

/* ---------- 移动底部条 ---------- */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:65;
  background:var(--surface);
  border-top:1px solid var(--line);
  padding:10px 16px;
  align-items:center;justify-content:space-between;gap:12px;
  box-shadow:0 -6px 18px rgba(20,18,31,.06);
}
.mobile-bar span{font-size:13px;color:var(--text-2);}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px;}
.mobile-bar.is-hidden{display:none !important;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .page-head-inner{grid-template-columns:1fr;gap:32px;}
  .duo{grid-template-columns:1fr;gap:28px;}
  .duo.reverse .duo-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:24px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats div:nth-child(2){border-right:0;}
  .stats div:nth-child(1),.stats div:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .nav-list,.nav-actions .btn-ghost,.nav-actions .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{min-height:60px;}
  .nav-link{padding:0;}
  .section{padding:64px 0 0;}
  .section:last-of-type{padding-bottom:64px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .card-body{padding:18px;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .page-head{padding:26px 0 30px;}
  .mobile-bar{display:flex;}
  .site-footer{padding-bottom:64px;}
}
@media (max-width:520px){
  .page-head h1{font-size:clamp(28px,7vw,36px);}
  .duo-body h2{font-size:22px;}
  .stats{grid-template-columns:1fr;}
  .stats div{border-right:0;border-bottom:1px solid var(--line);}
  .stats div:last-child{border-bottom:0;}
  .btn{width:100%;}
  .btn-sm,.text-link{width:auto;}
  .mobile-bar .btn{width:auto;}
}

/* roulang page: article */
:root{
  --ink-900:#14121F;
  --ink-800:#1F1B33;
  --primary:#4A3D8F;
  --primary-600:#5F51B0;
  --primary-100:#ECE8F7;
  --accent:#D9A24B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --surface-2:#F1EEE9;
  --line:#E4E0D8;
  --text:#1E1B2E;
  --text-2:#5B5670;
  --text-3:#8C87A0;
  --ok:#3E7A5E;
  --warn:#B4762A;
  --err:#A6473F;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --sh-sm:0 1px 2px rgba(20,18,31,.06);
  --sh-md:0 8px 24px rgba(20,18,31,.07);
  --sh-lg:0 14px 36px rgba(20,18,31,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-600)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink-900);
  color:#CFC9E0;
  font-size:13px;
  line-height:36px;
  height:36px;
  overflow:hidden;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-close{
  color:#9B94B8;
  font-size:13px;
  padding:0 4px;
  line-height:36px;
  transition:color var(--ease);
}
.topbar-close:hover{color:var(--accent)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck{background:rgba(246,244,240,.94);box-shadow:var(--sh-sm)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900)}
.logo:hover{color:var(--ink-900)}
.logo-mark{width:24px;height:24px;color:var(--primary);flex:none}
.logo-text{font-size:18px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:0;height:2px;
  background:var(--primary);
  transition:width var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--primary);font-weight:500}
.nav-link.active::after{width:16px}
.nav-link.active::before{
  content:"";
  position:absolute;
  right:-8px;bottom:0;
  width:4px;height:4px;
  border-radius:50%;
  background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:500;
  line-height:1;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-accent{background:var(--accent);color:var(--ink-900)}
.btn-accent:hover{background:#C8923A;color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.10);color:#fff}
.btn-sm{height:34px;padding:0 16px;font-size:13px}
.btn-lg{height:52px;padding:0 28px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--primary);
  border-bottom:1.5px solid rgba(74,61,143,.35);
  padding-bottom:2px;
  transition:border-color var(--ease),color var(--ease);
}
.link-arrow:hover{border-color:var(--primary);color:var(--primary-600)}
.link-arrow svg{width:14px;height:14px;flex:none}
.hamburger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  color:var(--text-2);
}
.hamburger svg{width:20px;height:20px}
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  background:var(--surface);
  border-left:1px solid var(--line);
  box-shadow:var(--sh-lg);
  transform:translateX(100%);
  transition:transform var(--ease);
  z-index:90;
  display:flex;
  flex-direction:column;
  padding:20px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--text-2)}
.drawer-close svg{width:20px;height:20px}
.drawer-nav{margin-top:6px;flex:1}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:52px;
  font-size:17px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--primary);font-weight:500}
.drawer-cta{margin-top:18px}
.drawer-cta .btn{width:100%}
.backdrop{
  position:fixed;inset:0;
  background:rgba(20,18,31,.40);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:80;
}
.backdrop.is-open{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line)}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  padding:18px 0;
  white-space:nowrap;overflow:hidden;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{overflow:hidden;text-overflow:ellipsis;color:var(--text-3)}

/* ---------- 文章布局 ---------- */
.page-main{padding:48px 0 96px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.article-col{max-width:760px;min-width:0}

.channel-line{
  display:flex;align-items:center;gap:12px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:26px;
}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  font-size:12px;
  line-height:1;
  background:var(--accent);
  color:var(--ink-900);
  white-space:nowrap;
}
.badge-soft{background:var(--primary-100);color:var(--primary)}
.channel-line a{font-size:14px;color:var(--text-2)}
.channel-line a:hover{color:var(--primary)}

.article-title{
  font-size:clamp(26px,3.4vw,36px);
  line-height:1.35;
  font-weight:600;
  letter-spacing:.01em;
}
.article-meta{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  margin-top:20px;padding-bottom:20px;
  border-bottom:1px solid var(--line);
}
.meta-items{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.meta-items span{display:inline-flex;align-items:center;gap:6px}
.meta-items svg{width:16px;height:16px;color:var(--text-3)}
.share-group{display:flex;align-items:center;gap:8px}
.share-group a{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--text-2);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.share-group a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-100)}
.share-group svg{width:20px;height:20px}

.cover-figure{margin:32px 0 0}
.cover-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
}
.cover-figure figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.cover-placeholder{
  aspect-ratio:16/9;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-3);
  font-size:14px;
}

/* ---------- 正文排版 ---------- */
.article-body{
  margin-top:36px;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
}
.article-body > * + *{margin-top:1.35em}
.article-body p{margin:0}
.article-body p + p{margin-top:1.35em}
.article-body h2{
  font-family:var(--font-display);
  font-size:26px;
  line-height:1.4;
  margin:40px 0 0;
  padding-left:14px;
  border-left:3px solid var(--accent);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{
  font-size:20px;
  color:var(--primary);
  margin:32px 0 0;
}
.article-body h4{font-size:18px;margin:26px 0 0}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(74,61,143,.45)}
.article-body a:hover{color:var(--primary-600);border-color:var(--primary-600)}
.article-body strong{font-weight:600}
.article-body blockquote{
  margin:26px 0;
  padding:20px;
  background:var(--surface-2);
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);
  font-size:15px;
}
.article-body ul,.article-body ol{margin:20px 0;padding-left:4px}
.article-body li{
  position:relative;
  padding-left:18px;
  line-height:1.8;
  color:var(--text-2);
}
.article-body li + li{margin-top:8px}
.article-body ul > li::before{
  content:"";
  position:absolute;
  left:0;top:.78em;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--accent);
}
.article-body ol{counter-reset:num}
.article-body ol > li{padding-left:24px;counter-increment:num}
.article-body ol > li::before{
  content:counter(num) ".";
  position:absolute;left:0;top:0;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
}
.article-body img{
  border-radius:var(--r-md);
  margin:24px 0 0;
}
.article-body .table-wrap{overflow-x:auto;margin:26px 0}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  min-width:480px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:12px 16px;
  text-align:left;
}
.article-body th{background:var(--surface-2);font-weight:600}
.article-body tbody tr:nth-child(even){background:var(--bg)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* 空态 */
.empty-state{
  margin-top:36px;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  background:var(--surface);
  padding:56px 24px;
  text-align:center;
}
.empty-state svg{width:32px;height:32px;color:var(--text-3);margin:0 auto 14px}
.empty-state p{font-size:15px;color:var(--text-2)}
.empty-state .link-arrow{margin-top:16px}

/* 标签 */
.tag-row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:44px;padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;
  height:28px;padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  font-size:13px;
  color:var(--text-2);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.tag:hover{border-color:var(--accent);color:var(--warn);background:var(--surface-2)}

/* 前后条目 */
.prev-next{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin-top:32px;
}
.prev-next a{
  display:flex;align-items:center;gap:10px;
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  font-size:15px;
  color:var(--text);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.prev-next a:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--primary-100);background:var(--surface)}
.prev-next svg{width:18px;height:18px;color:var(--primary);flex:none}
.prev-next .pn-label{display:block;font-size:13px;color:var(--text-3);margin-bottom:4px}
.prev-next .pn-text{display:block;font-weight:500}
.prev-next .pn-next{justify-content:flex-end;text-align:right}

/* 相关推荐 */
.section{margin-top:64px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
  margin-bottom:28px;
}
.section-head h2{font-family:var(--font-display);font-size:24px}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.card-thumb{overflow:hidden;aspect-ratio:16/10;background:var(--surface-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{
  font-size:17px;
  line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.card-foot .link-arrow{font-size:13px}

/* 返回栏目 */
.back-channel{
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid var(--line);
}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}
.side-box{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:22px;
}
.side-box h3{
  font-size:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
  margin-bottom:14px;
}
.side-toc li + li{border-top:1px solid var(--line)}
.side-toc a{
  display:block;
  padding:11px 0;
  font-size:14px;
  color:var(--text-2);
  transition:color var(--ease),padding-left var(--ease);
}
.side-toc a:hover{color:var(--primary);padding-left:4px}
.side-hot li + li{border-top:1px solid var(--line)}
.side-hot a{
  display:flex;gap:12px;
  padding:12px 0;
  font-size:14px;
  color:var(--text);
  line-height:1.6;
  transition:color var(--ease);
}
.side-hot a:hover{color:var(--primary)}
.side-hot .idx{
  flex:none;
  font-size:13px;
  color:var(--accent);
  font-weight:600;
  width:16px;
}
.side-cta{
  background:var(--primary-100);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:14px}
.side-cta .btn{width:100%}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--ink-900);
  border-radius:var(--r-lg);
  padding:48px;
  position:relative;
  overflow:hidden;
  color:#fff;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 12% 24%, rgba(255,255,255,.9) 1px, transparent 1.6px),
    radial-gradient(circle at 76% 18%, rgba(255,255,255,.7) 1px, transparent 1.6px),
    radial-gradient(circle at 42% 78%, rgba(255,255,255,.6) 1px, transparent 1.6px),
    radial-gradient(circle at 88% 66%, rgba(217,162,75,.8) 1px, transparent 1.8px);
  background-size:180px 180px,240px 240px,200px 200px,300px 300px;
  opacity:.10;
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-family:var(--font-display);font-size:26px;line-height:1.4;color:#fff}
.cta-inner p{font-size:14px;color:#B9B2D0;margin-top:10px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink-900);
  color:#B9B2D0;
  margin-top:96px;
  padding:64px 0 28px;
}
.footer-stars{
  position:absolute;top:0;left:0;right:0;height:1px;
  background:rgba(255,255,255,.14);
}
.footer-stars::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 10% 0, rgba(255,255,255,.8) 1px, transparent 1.6px),
    radial-gradient(circle at 48% 0, rgba(217,162,75,.9) 1px, transparent 1.6px),
    radial-gradient(circle at 82% 0, rgba(255,255,255,.6) 1px, transparent 1.6px);
  background-size:150px 40px,220px 40px,300px 40px;
  opacity:.35;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .logo{color:#fff}
.footer-brand .logo-mark{color:var(--accent)}
.footer-desc{font-size:14px;line-height:1.8;color:#9A93B4;margin-top:16px;max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.18);
  border-radius:50%;
  color:#B9B2D0;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.footer-social a:hover{border-color:var(--accent);color:var(--accent);background:rgba(217,162,75,.08)}
.footer-social svg{width:18px;height:18px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links li + li{margin-top:10px}
.footer-links a{font-size:14px;color:#9A93B4}
.footer-links a:hover{color:var(--accent)}
.footer-info p{font-size:14px;line-height:1.8;color:#9A93B4}
.footer-info p + p{margin-top:10px}
.footer-info strong{color:#CFC9E0;font-weight:500}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7F78A0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-col{max-width:none}
  .sidebar{position:static}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-list{gap:18px}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 18px}
  .topbar{display:none}
  .header-inner{height:60px;gap:12px}
  .nav-list,.header-actions .btn-ghost{display:none}
  .hamburger{display:flex}
  .logo-text{font-size:16px}
  .page-main{padding:32px 0 64px}
  .section{margin-top:48px}
  .cta-band{padding:28px 22px;border-radius:var(--r-lg)}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .prev-next{grid-template-columns:minmax(0,1fr)}
  .prev-next .pn-next{justify-content:flex-start;text-align:left}
  .site-footer{margin-top:64px;padding:48px 0 24px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-col{display:none}
  .footer-col.is-open{display:block}
  .article-meta{gap:14px}
}
@media (max-width:479px){
  .article-title{font-size:clamp(24px,7vw,30px)}
  .btn{width:100%}
  .btn-sm,.hamburger,.share-group a{width:auto}
  .cta-actions{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --ink-900:#14121F;
  --ink-800:#1F1B33;
  --primary:#4A3D8F;
  --primary-600:#5F51B0;
  --primary-100:#ECE8F7;
  --accent:#D9A24B;
  --accent-600:#C8923C;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --surface-2:#F1EEE9;
  --line:#E4E0D8;
  --text:#1E1B2E;
  --text-2:#5B5670;
  --text-3:#8C87A0;
  --ok:#3E7A5E;
  --warn:#B4762A;
  --err:#A6473F;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --shadow-sm:0 1px 2px rgba(20,18,31,.06);
  --shadow-md:0 8px 24px rgba(20,18,31,.07);
  --shadow-lg:0 14px 36px rgba(20,18,31,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms var(--ease);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--primary-100);color:var(--primary)}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink-900);color:#C6C2D6;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.topbar-text{line-height:36px}
.topbar-close{
  width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);color:#C6C2D6;transition:background var(--t),color var(--t);
}
.topbar-close:hover{background:rgba(255,255,255,.08);color:#fff}
.topbar-close svg{width:16px;height:16px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:background var(--t),box-shadow var(--t);
}
.site-header.is-stuck{background:rgba(246,244,240,.94);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:var(--text);letter-spacing:.01em}
.logo-mark{width:24px;height:24px;color:var(--primary);flex:none}
.logo-text{white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:var(--text-2);transition:color var(--t);
}
.nav-link:hover{color:var(--primary)}
.nav-link.active{color:var(--text);font-weight:500}
.nav-link.active::after{
  content:"";position:absolute;left:0;bottom:-8px;width:16px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-link.active::before{
  content:"";position:absolute;right:-7px;bottom:-9px;width:4px;height:4px;
  border-radius:50%;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-md);color:var(--text-2);
  transition:background var(--t),color var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--primary-100);color:var(--primary);border-color:var(--primary-100)}
.nav-toggle svg{width:20px;height:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-600);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-100);border-color:var(--primary-100)}
.btn-accent{background:var(--accent);color:var(--ink-900)}
.btn-accent:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.btn-sm{height:34px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--primary);
  border-bottom:1.5px solid rgba(74,61,143,.35);
  padding-bottom:2px;transition:border-color var(--t),color var(--t);
}
.link-arrow:hover{border-bottom-color:var(--primary)}
.link-arrow svg{width:14px;height:14px}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:22px 0 0;font-size:13px;color:var(--text-3);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.breadcrumb a{color:var(--text-2);transition:color var(--t)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{margin:0 8px;color:var(--text-3)}
.breadcrumb .current{color:var(--text-3)}

/* ---------- 分类页头 ---------- */
.cat-hero{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:22px;padding:40px 0}
.cat-hero-inner{display:grid;grid-template-columns:1.25fr .95fr;gap:56px;align-items:center}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;line-height:1;
  background:var(--primary-100);color:var(--primary);
}
.badge-accent{background:rgba(217,162,75,.16);color:#8A6220;border:1px solid rgba(217,162,75,.45)}
.cat-hero h1{
  font-family:var(--font-display);
  font-size:clamp(30px,4.2vw,44px);
  line-height:1.25;font-weight:600;margin-top:16px;letter-spacing:.01em;
}
.cat-hero-sub{margin-top:14px;font-size:16px;color:var(--text-2);max-width:34em}
.cat-hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cat-hero-points li{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--text-2);
  padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);
}
.cat-hero-points svg{width:14px;height:14px;color:var(--accent)}
.cat-hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/10;background:var(--surface-2);
  box-shadow:var(--shadow-sm);
}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.cat-hero-media:hover img{transform:scale(1.03)}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(155deg,rgba(74,61,143,.32),rgba(20,18,31,.14));
}

/* ---------- 板块 ---------- */
.section{padding:84px 0}
.section + .section{padding-top:0}
.section-head{margin-bottom:32px}
.section-head h2{
  font-family:var(--font-display);
  font-size:clamp(24px,2.6vw,30px);
  line-height:1.3;font-weight:600;
  padding-left:16px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;
  border-radius:2px;background:var(--accent);
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:56em}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 图文交替 ---------- */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.feature-row:first-of-type{padding-top:0}
.feature-row:last-of-type{border-bottom:0;padding-bottom:0}
.feature-copy h2{
  font-family:var(--font-display);font-size:clamp(22px,2.2vw,26px);
  line-height:1.35;font-weight:600;padding-left:14px;position:relative;margin-bottom:16px;
}
.feature-copy h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;
  border-radius:2px;background:var(--accent);
}
.feature-copy p{color:var(--text-2);font-size:15.5px;margin-bottom:1.35em}
.feature-copy p:last-child{margin-bottom:0}
.feature-list{margin-top:6px}
.feature-list li{
  position:relative;padding-left:18px;font-size:15px;color:var(--text-2);margin-bottom:10px;line-height:1.75;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--accent);
}
.feature-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;background:var(--surface-2);box-shadow:var(--shadow-sm);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.feature-media:hover img{transform:scale(1.03)}
.feature-row.is-reverse .feature-media{order:2}

/* ---------- 功能卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.feature-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-100);color:var(--primary);margin-bottom:16px;
}
.feature-icon svg{width:22px;height:22px}
.feature-card h3{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--text-2);line-height:1.75}
.feature-card .feature-tag{margin-top:16px;display:inline-flex}

/* ---------- 步骤流程 ---------- */
.steps{margin-top:8px}
.step{position:relative;display:grid;grid-template-columns:32px 1fr;gap:22px;padding-bottom:38px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:15.5px;top:44px;bottom:4px;width:1px;background:var(--line);
}
.step:last-child::before{display:none}
.step-num{
  width:32px;height:32px;border-radius:50%;
  border:1px solid var(--primary);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;background:var(--surface);
  font-variant-numeric:tabular-nums;
}
.step-body{padding-top:2px}
.step-body h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:8px}
.step-body p{font-size:15px;color:var(--text-2);line-height:1.78;max-width:60em}
.step-meta{margin-top:10px;font-size:13px;color:var(--text-3)}

/* ---------- 条目卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body .badge{align-self:flex-start}
.card-title{
  font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);padding-top:6px;
}
.card-foot .link-arrow{font-size:13px}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--ink-900);color:#fff;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-stars{
  position:absolute;inset:0;pointer-events:none;opacity:.12;
  background-image:
    radial-gradient(circle,#fff 1px,transparent 1.4px),
    radial-gradient(circle,#fff 1px,transparent 1.4px);
  background-size:72px 72px,110px 110px;
  background-position:0 0,36px 44px;
}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{
  font-family:var(--font-display);font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;font-weight:600;
}
.cta-copy p{margin-top:12px;font-size:15px;color:#BEB9CE;line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink-900);color:#B9B5C9;margin-top:96px}
.footer-stars{
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(217,162,75,.55),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;
  padding:64px 0 44px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{color:var(--accent)}
.footer-desc{font-size:14px;line-height:1.75;color:#A8A3BD;max-width:22em}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;
  color:#CFCBDE;transition:background var(--t),color var(--t),border-color var(--t);
}
.footer-social a:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.3)}
.footer-social svg{width:18px;height:18px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;line-height:1.4}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:#A8A3BD;transition:color var(--t)}
.footer-links a:hover{color:var(--accent)}
.footer-info p{font-size:14px;line-height:1.8;color:#A8A3BD;margin-bottom:12px}
.footer-info strong{color:#DAD6E6;font-weight:500}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8B87A0;
}

/* ---------- 抽屉与遮罩 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,18,31,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:var(--surface);border-left:1px solid var(--line);
  display:flex;flex-direction:column;padding:24px 20px;
  transform:translateX(100%);transition:transform 260ms var(--ease);
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:16px;font-weight:600}
.drawer-close{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-md);color:var(--text-2)}
.drawer-close:hover{background:var(--surface-2)}
.drawer-close svg{width:18px;height:18px}
.drawer-nav{margin-top:8px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:17px;color:var(--text-2);
  border-bottom:1px solid var(--line);transition:color var(--t),background var(--t);
}
.drawer-nav a:hover{color:var(--primary)}
.drawer-nav a.is-active{color:var(--primary);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:20px}
.drawer-foot .btn{width:100%}

/* ---------- 移动底栏 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  padding:10px 16px;align-items:center;gap:12px;
}
.mobile-bar-text{font-size:14px;color:var(--text-2);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mobile-bar .btn{height:40px;padding:0 18px;flex:none}
.mobile-bar-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-sm);color:var(--text-3)}
.mobile-bar-close svg{width:16px;height:16px}
.mobile-bar.is-hidden{display:none !important}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .cat-hero-inner{grid-template-columns:1fr;gap:32px}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .feature-row.is-reverse .feature-media{order:0}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .nav-list{gap:20px}
  .nav-link{font-size:14px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-list{display:none}
  .nav-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:60px}
  .logo{font-size:16px}
  .section{padding:64px 0}
  .section-head{margin-bottom:24px}
  .section-head--split{align-items:flex-start}
  .cat-hero{padding:28px 0 32px;margin-top:16px}
  .feature-grid,.card-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;min-width:140px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .mobile-bar{display:flex}
  body{padding-bottom:70px}
  .topbar-text{font-size:12px;line-height:32px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .topbar-inner{min-height:32px}
}
@media (max-width:479px){
  .cat-hero h1{font-size:clamp(26px,7.6vw,32px)}
  .btn{width:100%;justify-content:center}
  .btn-sm{width:auto}
  .nav-actions .btn-primary{display:none}
  .mobile-bar .btn{width:auto}
  .card-body{padding:18px}
  .feature-card{padding:22px 18px}
}

/* roulang page: category3 */
:root{
  --ink-900:#14121F;
  --ink-800:#1F1B33;
  --primary:#4A3D8F;
  --primary-600:#5F51B0;
  --primary-100:#ECE8F7;
  --accent:#D9A24B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --surface-2:#F1EEE9;
  --line:#E4E0D8;
  --text:#1E1B2E;
  --text-2:#5B5670;
  --text-3:#8C87A0;
  --ok:#3E7A5E;
  --warn:#B4762A;
  --err:#A6473F;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --sh-sm:0 1px 2px rgba(20,18,31,.06);
  --sh-md:0 8px 24px rgba(20,18,31,.07);
  --sh-lg:0 14px 36px rgba(20,18,31,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-600);}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600;}
h2{font-size:30px;font-family:var(--font-display);}
h3{font-size:22px;}
h4{font-size:18px;}
p{margin:0 0 1.35em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink-900);
  color:#CFC9DE;
  font-size:13px;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-text{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.topbar-close{
  background:none;border:0;color:#8C87A0;font-size:13px;line-height:1;
  padding:6px 8px;border-radius:var(--r-sm);transition:color var(--ease),background var(--ease);
}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.08);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck{
  background:rgba(246,244,240,.94);
  box-shadow:var(--sh-sm);
}
.nav-wrap{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{width:26px;height:26px;color:var(--primary);flex:none;}
.logo-text{font-size:18px;font-weight:600;letter-spacing:.01em;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  transition:color var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link.active{color:var(--primary);font-weight:500;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
}
.nav-link.active::before{
  content:"";
  position:absolute;
  right:-8px;bottom:4px;
  width:4px;height:4px;
  border-radius:50%;
  background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  color:var(--text);
  transition:background var(--ease),border-color var(--ease);
}
.menu-toggle:hover{background:var(--primary-100);border-color:var(--primary-100);}
.menu-toggle svg{width:20px;height:20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:500;
  border:1px solid transparent;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn svg{width:16px;height:16px;flex:none;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-600);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:var(--ink-900);}
.btn-accent:hover{background:#C9923C;color:var(--ink-900);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--line);}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary);border-color:var(--primary-100);}
.btn-ghost-light{background:transparent;color:#EFEBF8;border-color:rgba(255,255,255,.28);}
.btn-ghost-light:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.45);}
.btn-sm{height:34px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--primary);
  border-bottom:1.5px solid transparent;
  transition:border-color var(--ease),color var(--ease);
}
.link-arrow:hover{border-bottom-color:var(--primary);color:var(--primary-600);}
.link-arrow svg{width:14px;height:14px;}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  background:var(--surface);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform var(--ease);
  z-index:90;
  display:flex;
  flex-direction:column;
  padding:20px 0 24px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--line);}
.drawer-head .logo-text{font-size:16px;}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:none;border:0;color:var(--text-2);border-radius:var(--r-md);
}
.drawer-close:hover{background:var(--surface-2);}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0;flex:1;}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:52px;
  padding:0 20px;
  font-size:17px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),color var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--primary-100);color:var(--primary);}
.drawer-foot{padding:20px 20px 0;border-top:1px solid var(--line);}
.mask{
  position:fixed;inset:0;background:rgba(20,18,31,.36);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:80;
}
.mask.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:28px 0 0;}
.breadcrumb ol{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:nowrap;overflow:hidden;}
.breadcrumb li{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.breadcrumb li + li::before{content:"/";margin-right:8px;color:var(--line);}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--text-3);}

/* ---------- 分类页头 ---------- */
.page-head{
  padding:36px 0 44px;
  border-bottom:1px solid var(--line);
  margin-bottom:0;
}
.page-head-inner{
  display:grid;
  grid-template-columns:1fr 380px;
  gap:48px;
  align-items:center;
}
.page-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:var(--primary);
  background:var(--primary-100);
  border-radius:999px;
  padding:0 12px;height:24px;
  margin-bottom:18px;
}
.page-head .eyebrow i{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block;}
.page-head h1{
  font-family:var(--font-display);
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.25;
  margin-bottom:16px;
}
.page-head .lede{font-size:16px;color:var(--text-2);max-width:560px;margin-bottom:24px;}
.page-head .head-actions{display:flex;flex-wrap:wrap;gap:12px;}
.head-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--surface-2);
}
.head-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.head-media:hover img{transform:scale(1.03);}
.head-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(74,61,143,.06),rgba(20,18,31,.28));
  pointer-events:none;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head .title-block{max-width:700px;}
.section-head h2{
  position:relative;
  padding-left:16px;
  margin-bottom:12px;
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:.18em;bottom:.18em;
  width:3px;border-radius:2px;background:var(--accent);
}
.section-head .sub{font-size:15px;color:var(--text-2);}
.hairline{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 指标条 ---------- */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  margin-top:56px;
}
.metric{
  padding:26px 24px;
  border-right:1px solid var(--line);
}
.metric:last-child{border-right:0;}
.metric .num{
  font-family:var(--font-display);
  font-size:30px;
  line-height:1.2;
  color:var(--primary);
  margin-bottom:6px;
}
.metric .num small{font-size:15px;color:var(--text-2);margin-left:2px;}
.metric .label{font-size:14px;color:var(--text-2);}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:36px 0;
  border-bottom:1px solid var(--line);
}
.split:last-of-type{border-bottom:0;}
.split.reverse .split-media{order:2;}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--surface-2);
  box-shadow:var(--sh-sm);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.split-media:hover img{transform:scale(1.03);}
.split-body h3{margin-bottom:16px;}
.split-body p{font-size:16px;color:var(--text-2);}
.split-body .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  font-size:12px;
  border-radius:999px;
  background:var(--primary-100);
  color:var(--primary);
}
.tag.accent{background:rgba(217,162,75,.16);color:#8A6120;}

/* ---------- 问答式模块 ---------- */
.qa-list{border-top:1px solid var(--line);}
.qa-item{
  padding:24px 0 26px;
  border-bottom:1px solid var(--line);
}
.qa-q{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  margin-bottom:10px;
}
.qa-q .mk{
  flex:none;
  width:22px;height:22px;
  border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;
  background:rgba(217,162,75,.18);
  color:#8A6120;
  margin-top:3px;
}
.qa-a{
  padding-left:34px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  max-width:820px;
}
.qa-a p{margin-bottom:.9em;}
.qa-a p:last-child{margin-bottom:0;}

/* ---------- 卡片 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.card-media{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--surface-2);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.card-body h3{
  font-size:18px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body h3 a{color:var(--text);}
.card-body h3 a:hover{color:var(--primary);}
.card-sum{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.card-foot time{font-size:13px;color:var(--text-3);}

/* ---------- 形态说明条 ---------- */
.shape-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:8px;
}
.shape{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-sm);
  transition:transform var(--ease),box-shadow var(--ease);
}
.shape:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.shape .ico{
  width:40px;height:40px;
  border-radius:var(--r-md);
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-100);
  color:var(--primary);
  margin-bottom:16px;
}
.shape .ico svg{width:20px;height:20px;}
.shape h4{margin-bottom:10px;}
.shape p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- 表单 ---------- */
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px;
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:48px;
  box-shadow:var(--sh-sm);
}
.form-intro h3{margin-bottom:14px;}
.form-intro p{font-size:15px;color:var(--text-2);}
.form-intro ul{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.form-intro li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-2);
}
.form-intro li::before{
  content:"";
  position:absolute;left:0;top:.62em;
  width:5px;height:5px;border-radius:50%;
  background:var(--accent);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.field input,
.field select,
.field textarea{
  width:100%;
  font-family:inherit;
  font-size:15px;
  color:var(--text);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:0 14px;
  height:44px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:108px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 2px rgba(217,162,75,.55);
}
.field .hint{font-size:13px;color:var(--text-3);margin-top:6px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  margin-top:var(--sec);
  position:relative;
  background:var(--ink-900);
  border-radius:var(--r-lg);
  padding:48px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 12% 24%, rgba(255,255,255,.55) 0 1px, transparent 1px),
    radial-gradient(circle at 68% 18%, rgba(255,255,255,.40) 0 1px, transparent 1px),
    radial-gradient(circle at 84% 68%, rgba(255,255,255,.45) 0 1px, transparent 1px),
    radial-gradient(circle at 32% 78%, rgba(255,255,255,.30) 0 1px, transparent 1px),
    linear-gradient(90deg, transparent 49.6%, rgba(217,162,75,.16) 50%, transparent 50.4%),
    linear-gradient(0deg, transparent 49.6%, rgba(217,162,75,.12) 50%, transparent 50.4%);
  background-size:180px 180px,220px 220px,260px 260px,300px 300px,100% 100%,100% 100%;
  opacity:.12;
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-copy{max-width:640px;}
.cta-copy h2{
  color:#fff;
  margin-bottom:14px;
  padding-left:0;
  font-family:var(--font-display);
}
.cta-copy h2::before{display:none;}
.cta-copy p{color:#B9B3CB;font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:var(--sec);
  background:var(--ink-900);
  color:#B9B3CB;
  padding:64px 0 32px;
  overflow:hidden;
}
.footer-stars{
  position:absolute;top:0;left:0;right:0;height:1px;
  background:rgba(255,255,255,.10);
}
.footer-stars::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:120px;
  background-image:
    radial-gradient(circle at 8% 30%, rgba(255,255,255,.5) 0 1px, transparent 1px),
    radial-gradient(circle at 42% 12%, rgba(255,255,255,.4) 0 1px, transparent 1px),
    radial-gradient(circle at 72% 44%, rgba(255,255,255,.35) 0 1px, transparent 1px),
    radial-gradient(circle at 92% 22%, rgba(255,255,255,.45) 0 1px, transparent 1px);
  background-size:200px 120px;
  opacity:.12;
  pointer-events:none;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  position:relative;
  z-index:1;
}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-mark{color:var(--accent);}
.footer-brand .logo:hover{color:#fff;}
.footer-desc{font-size:14px;color:#8C87A0;margin:16px 0 20px;max-width:280px;line-height:1.75;}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;
  color:#B9B3CB;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.footer-social a:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.3);}
.footer-social svg{width:18px;height:18px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:#8C87A0;}
.footer-links a:hover{color:var(--accent);}
.footer-info p{font-size:14px;color:#8C87A0;margin-bottom:12px;line-height:1.75;}
.footer-info strong{color:#D8D3E4;font-weight:500;}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#6F6982;
  position:relative;
  z-index:1;
}

/* ---------- 移动端底部条 ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:var(--surface);
  border-top:1px solid var(--line);
  padding:10px 16px;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  box-shadow:0 -6px 20px rgba(20,18,31,.06);
}
.mobile-bar span{font-size:13px;color:var(--text-2);}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .nav-list{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .menu-toggle{display:inline-flex;}
  .page-head-inner{grid-template-columns:1fr;gap:32px;}
  .head-media{max-width:560px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .shape-row{grid-template-columns:repeat(2,1fr);}
  .form-card{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:767px){
  :root{--sec:64px;}
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .nav-wrap{height:60px;}
  .logo-text{font-size:16px;}
  .topbar{font-size:12px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  h2{font-size:24px;}
  .page-head{padding:24px 0 32px;}
  .page-head h1{font-size:clamp(28px,7vw,36px);}
  .split{padding:26px 0;}
  .card-grid{grid-template-columns:1fr;}
  .shape-row{grid-template-columns:1fr;}
  .card-body{padding:18px;}
  .cta-band{padding:32px 24px;gap:24px;}
  .form-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:0;}
  .mobile-bar{display:flex;}
  .site-footer{padding-bottom:96px;}
}
@media (max-width:520px){
  .btn{width:100%;}
  .card-foot .btn{width:auto;}
  .head-actions{flex-direction:column;align-items:stretch;}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%;}
  .cta-actions .btn{width:100%;}
  .qa-a{padding-left:0;}
}

/* roulang page: category4 */
:root{
  --ink-900:#14121F;
  --ink-800:#1F1B33;
  --primary:#4A3D8F;
  --primary-600:#5F51B0;
  --primary-100:#ECE8F7;
  --accent:#D9A24B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --surface-2:#F1EEE9;
  --line:#E4E0D8;
  --text:#1E1B2E;
  --text-2:#5B5670;
  --text-3:#8C87A0;
  --ok:#3E7A5E;
  --warn:#B4762A;
  --err:#A6473F;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --sh-sm:0 1px 2px rgba(20,18,31,.06);
  --sh-md:0 8px 24px rgba(20,18,31,.07);
  --sh-lg:0 14px 36px rgba(20,18,31,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease);}
a:hover{color:var(--primary-600);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600;color:var(--text);}
p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--r-sm);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink-900);
  color:#CFC9DE;
  font-size:13px;
  line-height:36px;
  height:36px;
  overflow:hidden;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-text{
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-close{
  background:none;
  border:0;
  color:#9A93B0;
  font-size:13px;
  line-height:36px;
  padding:0 4px;
  transition:color var(--ease);
}
.topbar-close:hover{color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.site-header.is-stuck{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,244,240,.94);
  box-shadow:var(--sh-sm);
}
.nav-main{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  flex:none;
}
.logo:hover{color:var(--text);}
.logo-mark{
  width:26px;
  height:26px;
  color:var(--primary);
  flex:none;
}
.logo-text{
  font-size:18px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:30px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--text-2);
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:500;}
.nav-link.active::after{transform:scaleX(1);}
.nav-link.active::before{
  content:"";
  position:absolute;
  right:-9px;
  top:50%;
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--accent);
  transform:translateY(-50%);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:none;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:transparent;
  align-items:center;
  justify-content:center;
  color:var(--text);
}
.nav-toggle svg{width:22px;height:22px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  line-height:1;
  white-space:nowrap;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-600);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:var(--ink-900);}
.btn-accent:hover{background:#C7903A;color:var(--ink-900);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary);}
.btn-light{background:transparent;border-color:rgba(255,255,255,.34);color:#EDEAF6;}
.btn-light:hover{background:rgba(255,255,255,.10);color:#fff;}
.btn-sm{height:34px;padding:0 16px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--primary);
  border-bottom:1.5px solid var(--primary);
  padding-bottom:2px;
  transition:color var(--ease),border-color var(--ease);
}
.link-arrow svg{width:14px;height:14px;}
.link-arrow:hover{color:var(--primary-600);border-color:var(--primary-600);}

/* ---------- 通用标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  line-height:1;
  background:var(--primary-100);
  color:var(--primary);
  white-space:nowrap;
}
.badge-accent{
  background:rgba(217,162,75,.16);
  border:1px solid rgba(217,162,75,.42);
  color:#8A6320;
}
.badge-outline{
  background:transparent;
  border:1px solid var(--primary);
  color:var(--primary);
}

/* ---------- 面包屑 ---------- */
.crumb{
  padding:26px 0 0;
  font-size:13px;
  color:var(--text-3);
}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .current{color:var(--text-3);max-width:52vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* ---------- 分类页头 ---------- */
.page-head{
  border-bottom:1px solid var(--line);
  margin-top:22px;
}
.page-head-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) 400px;
  gap:48px;
  align-items:center;
  padding:38px 0 46px;
  border-top:1px solid var(--line);
}
.page-head h1{
  font-family:var(--serif);
  font-size:clamp(30px,4.2vw,46px);
  letter-spacing:.01em;
  margin:16px 0 14px;
}
.page-head .lede{
  font-size:16px;
  color:var(--text-2);
  max-width:34em;
}
.page-head-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--surface-2);
}
.page-head-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--ease);
}
.page-head-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(74,61,143,.20),rgba(20,18,31,.32));
  pointer-events:none;
}
.page-head-figure:hover img{transform:scale(1.03);}

/* ---------- 板块 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-family:var(--serif);
  font-size:clamp(24px,3vw,30px);
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:3px;
  border-radius:2px;
  background:var(--accent);
}
.section-head .sub{
  font-size:14px;
  color:var(--text-3);
  margin-top:6px;
  padding-left:16px;
}

/* ---------- 图文块 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.split.reverse .split-media{order:2;}
.split-body h2{
  font-family:var(--serif);
  font-size:clamp(22px,2.6vw,28px);
  margin-bottom:18px;
  position:relative;
  padding-left:14px;
}
.split-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:5px;
  bottom:5px;
  width:3px;
  border-radius:2px;
  background:var(--accent);
}
.split-body p+p{margin-top:1.35em;}
.split-body p{color:var(--text-2);}
.split-body strong{color:var(--text);font-weight:600;}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface-2);
  aspect-ratio:16/10;
  box-shadow:var(--sh-sm);
  transition:box-shadow var(--ease),transform var(--ease);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.split-media:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.split-media:hover img{transform:scale(1.03);}

/* ---------- 双列清单 ---------- */
.duo{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.duo.reverse .duo-list{order:2;}
.duo-list h2{
  font-family:var(--serif);
  font-size:clamp(22px,2.6vw,28px);
  margin-bottom:14px;
}
.duo-list .duo-note{
  font-size:14px;
  color:var(--text-3);
  margin-bottom:20px;
}
.point-list li{
  position:relative;
  padding:14px 0 14px 22px;
  border-top:1px solid var(--line);
  font-size:15px;
  color:var(--text-2);
}
.point-list li:last-child{border-bottom:1px solid var(--line);}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:23px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
}
.point-list .pt-title{
  display:block;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  margin-bottom:2px;
}
.duo-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface-2);
  aspect-ratio:16/10;
  box-shadow:var(--sh-sm);
  transition:box-shadow var(--ease),transform var(--ease);
}
.duo-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.duo-media:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.duo-media:hover img{transform:scale(1.03);}

/* ---------- 卡片 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:box-shadow var(--ease),transform var(--ease);
}
.card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.card-media{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--surface-2);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-body h3{
  font-size:18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.card.offset{margin-top:34px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink-900);
  border-radius:var(--r-lg);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(circle at 12% 22%, rgba(255,255,255,.09) 0 1.5px, transparent 1.6px),
    radial-gradient(circle at 68% 74%, rgba(255,255,255,.08) 0 1.5px, transparent 1.6px),
    radial-gradient(circle at 88% 18%, rgba(255,255,255,.07) 0 1.5px, transparent 1.6px),
    radial-gradient(circle at 34% 86%, rgba(255,255,255,.06) 0 1.5px, transparent 1.6px);
  background-size:280px 200px,340px 240px,260px 190px,300px 220px;
  opacity:.9;
  pointer-events:none;
}
.cta-band .cta-copy{position:relative;z-index:2;max-width:56%;}
.cta-band h2{
  color:#fff;
  font-family:var(--serif);
  font-size:clamp(22px,2.8vw,30px);
  margin-bottom:10px;
}
.cta-band p{color:#B9B3CB;font-size:15px;}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:72px;
  background:var(--ink-900);
  color:#B9B3CB;
  overflow:hidden;
}
.footer-stars{
  height:1px;
  background:var(--line);
  opacity:.35;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:180px;
  background-image:
    radial-gradient(circle at 18% 26%, rgba(255,255,255,.10) 0 1.5px, transparent 1.6px),
    radial-gradient(circle at 62% 46%, rgba(255,255,255,.08) 0 1.5px, transparent 1.6px),
    radial-gradient(circle at 86% 22%, rgba(255,255,255,.07) 0 1.5px, transparent 1.6px);
  background-size:320px 180px,280px 160px,360px 200px;
  pointer-events:none;
}
.footer-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-mark{color:var(--accent);}
.footer-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:#9A93B0;
  max-width:26em;
}
.footer-social{display:flex;gap:12px;margin-top:18px;}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);
  color:#B9B3CB;
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.footer-social a:hover{border-color:var(--accent);color:var(--accent);background:rgba(255,255,255,.05);}
.footer-social svg{width:20px;height:20px;}
.footer-col h4{
  color:#fff;
  font-size:16px;
  margin-bottom:16px;
}
.footer-links li+li{margin-top:10px;}
.footer-links a{color:#9A93B0;font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-info p{font-size:14px;line-height:1.8;color:#9A93B0;}
.footer-info p+p{margin-top:12px;}
.footer-info strong{color:#D6D1E4;font-weight:600;}
.footer-bottom{
  position:relative;
  z-index:2;
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#7E779A;
}

/* ---------- 移动端固定条 ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:var(--surface);
  border-top:1px solid var(--line);
  padding:10px 16px;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  box-shadow:var(--sh-md);
}
.mobile-bar span{font-size:13px;color:var(--text-2);}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:min(84vw,340px);
  background:var(--surface);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform var(--ease);
  z-index:90;
  display:flex;
  flex-direction:column;
  padding:18px 0 0;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px 14px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:transparent;
  color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:20px;height:20px;}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 20px;
  font-size:17px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer nav a.active{color:var(--primary);font-weight:500;background:var(--primary-100);}
.drawer-cta{padding:20px;}
.drawer-cta .btn{width:100%;}
.overlay{
  position:fixed;inset:0;
  background:rgba(20,18,31,.42);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:80;
}
.overlay.open{opacity:1;visibility:visible;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-head-inner{grid-template-columns:minmax(0,1fr) 340px;gap:36px;}
}
@media (max-width:1023px){
  .nav-list{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-head-inner{grid-template-columns:1fr;gap:28px;}
  .split,.duo{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .duo.reverse .duo-list{order:0;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band .cta-copy{max-width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-main{height:60px;}
  .logo-text{font-size:16px;}
  .nav-actions .btn-primary{display:none;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .page-head-inner{padding:28px 0 34px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .card.offset{margin-top:0;}
  .card-body{padding:18px;}
  .cta-band{padding:30px 22px;}
  .cta-band .cta-actions{width:100%;flex-direction:column;}
  .cta-band .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:64px;}
  .crumb .current{max-width:60vw;}
}
@media (max-width:479px){
  .page-head h1{font-size:clamp(26px,7.4vw,32px);}
  .btn{width:100%;}
  .nav-actions{display:none;}
  .topbar-text{font-size:12px;}
}