/* roulang page: index */
:root{
  --brand:#E8551F;
  --brand-dark:#C4431A;
  --brand-soft:#FDEDE6;
  --accent:#00A88F;
  --accent-soft:#E4F6F2;
  --ink:#14181C;
  --text:#1F2429;
  --text-2:#5A626B;
  --text-3:#8B939B;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --line:#ECE7E0;
  --highlight:#FFC93C;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow-card:0 1px 2px rgba(20,24,28,.04);
  --shadow-card-hover:0 12px 28px rgba(20,24,28,.10);
  --shadow-nav:0 4px 16px rgba(20,24,28,.08);
  --shadow-brand:0 8px 20px rgba(232,85,31,.28);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);text-decoration:underline;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
h1{font-size:clamp(32px,5vw,56px);line-height:1.12;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.2;font-weight:700;letter-spacing:-.01em;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.container-narrow{max-width:800px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-alt{background:var(--surface);}
.section-head{margin-bottom:38px;max-width:760px;}
.section-head h2{position:relative;padding-left:18px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:3px;background:var(--brand);}
.section-head .lead{margin-top:16px;color:var(--text-2);font-size:16px;}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--accent);background:var(--accent-soft);border-radius:var(--radius-badge);padding:4px 10px;margin-bottom:14px;}
.text-link{color:var(--accent);border-bottom:1px solid rgba(0,168,143,.4);font-weight:600;font-size:15px;}
.text-link:hover{color:var(--brand);border-bottom-color:rgba(232,85,31,.5);text-decoration:none;}

/* 按钮体系 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:var(--radius-btn);font-size:16px;font-weight:600;line-height:1.2;border:1.5px solid transparent;cursor:pointer;transition:background .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease,border-color .2s ease;text-decoration:none;}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(232,85,31,.18);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-brand);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(232,85,31,.35);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px);}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(20,24,28,.2);}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.72);}
.btn-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{padding:10px 18px;font-size:15px;}
.btn-block{width:100%;}

/* 徽章 */
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;border-radius:var(--radius-badge);padding:4px 10px;line-height:1.5;white-space:nowrap;}
.badge-cat{background:var(--accent-soft);color:var(--accent);}
.badge-time{background:var(--bg);color:var(--text-3);}
.badge-hot{background:var(--highlight);color:var(--ink);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.nav-inner{height:72px;display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap;text-decoration:none;}
.brand:hover{color:var(--ink);text-decoration:none;}
.brand-mark{width:24px;height:24px;flex:0 0 24px;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-links a{position:relative;display:inline-block;padding:26px 0;font-size:15px;font-weight:500;color:var(--text);text-decoration:none;transition:color .2s ease;}
.nav-links a::after{content:"";position:absolute;left:50%;bottom:18px;width:0;height:2px;background:var(--brand);border-radius:2px;transform:translateX(-50%);transition:width .2s ease;}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{width:100%;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px;}
.nav-search{position:relative;width:220px;}
.nav-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:var(--text-3);}
.nav-search input{width:100%;height:42px;padding:0 14px 0 36px;font-size:14px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-input);outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{background:#fff;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,168,143,.15);}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);cursor:pointer;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{display:none;position:fixed;inset:60px 0 0;background:#fff;z-index:49;padding:20px;overflow-y:auto;}
.mobile-drawer.open{display:block;}
.mobile-drawer .m-search{position:relative;margin-bottom:16px;}
.mobile-drawer .m-search input{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-input);font-size:15px;background:var(--bg);outline:none;}
.mobile-drawer .m-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,168,143,.15);}
.mobile-drawer .m-list a{display:flex;align-items:center;justify-content:space-between;height:52px;font-size:16px;font-weight:500;color:var(--text);border-bottom:1px solid var(--line);text-decoration:none;}
.mobile-drawer .m-list a::after{content:"";width:8px;height:8px;border-top:1.5px solid var(--text-3);border-right:1.5px solid var(--text-3);transform:rotate(45deg);}
.mobile-drawer .m-cta{margin-top:24px;}

/* Hero */
.hero{position:relative;overflow:hidden;background:#fff;padding:64px 0 72px;min-height:640px;display:flex;align-items:center;}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(232,85,31,.05) 0 2px,transparent 2px 14px);pointer-events:none;}
.hero::after{content:"";position:absolute;right:-40px;top:-40px;width:420px;height:420px;background-image:radial-gradient(rgba(0,168,143,.16) 1px,transparent 1px);background-size:16px 16px;pointer-events:none;}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-copy h1{margin-bottom:18px;max-width:640px;}
.hero-sub{font-size:19px;line-height:1.7;color:var(--text-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:48px;padding-top:28px;border-top:1px solid var(--line);}
.hero-stat .stat-num{font-size:26px;font-weight:700;color:var(--accent);line-height:1.2;}
.hero-stat .stat-label{font-size:13px;color:var(--text-3);margin-top:4px;}
.hero-visual{position:relative;}
.hero-media{position:relative;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;box-shadow:0 18px 40px rgba(20,24,28,.12);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-slash{position:absolute;right:-28px;bottom:-28px;width:180px;height:180px;background:var(--brand);clip-path:polygon(30% 0,100% 0,100% 100%,0 100%);opacity:.92;z-index:-1;}
.hero-tag{position:absolute;left:20px;bottom:20px;background:rgba(20,24,28,.72);color:#fff;font-size:13px;font-weight:600;border-radius:var(--radius-badge);padding:8px 14px;backdrop-filter:blur(2px);}

/* 卖点 */
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);}
.value-item{display:grid;grid-template-columns:88px 1fr;gap:24px;padding:36px 32px 36px 0;border-bottom:1px solid var(--line);}
.value-item:nth-child(odd){padding-right:48px;border-right:1px solid var(--line);}
.value-item:nth-child(even){padding-left:48px;}
.value-index{display:flex;align-items:flex-start;}
.value-index span{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;font-size:26px;font-weight:800;color:var(--accent);background:var(--accent-soft);clip-path:polygon(18% 0,100% 0,82% 100%,0 100%);font-variant-numeric:tabular-nums;}
.value-body h3{margin-bottom:10px;}
.value-body p{color:var(--text-2);font-size:16px;margin:0;}

/* 演示 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:44px;}
.step{position:relative;padding-top:18px;}
.step::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--line);border-radius:3px;}
.step.is-current::before{background:var(--brand);}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--bg);color:var(--text-2);font-size:14px;font-weight:700;margin-bottom:12px;font-variant-numeric:tabular-nums;}
.step.is-current .step-num{background:var(--brand);color:#fff;}
.step h3{font-size:17px;margin-bottom:6px;}
.step p{font-size:14px;color:var(--text-2);margin:0;}
.demo-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.demo-media{position:relative;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;}
.demo-media img{width:100%;height:100%;object-fit:cover;}
.demo-float{position:absolute;right:16px;bottom:16px;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:var(--radius-card);padding:12px 16px;box-shadow:var(--shadow-card);}
.demo-float .df-num{font-size:20px;font-weight:700;color:var(--accent);line-height:1.2;}
.demo-float .df-label{font-size:12px;color:var(--text-3);}
.demo-copy h2{margin-bottom:18px;}
.demo-copy p{color:var(--text-2);}
.demo-list{margin-top:22px;}
.demo-list li{position:relative;padding-left:26px;margin-bottom:12px;font-size:16px;color:var(--text-2);}
.demo-list li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:3px;background:var(--brand-soft);border:1.5px solid var(--brand);}

/* 证据 */
.proof-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 0 44px;border-bottom:1px solid var(--line);margin-bottom:44px;}
.proof-metric .pm-num{font-size:34px;font-weight:800;color:var(--ink);line-height:1.15;}
.proof-metric .pm-num em{font-style:normal;font-size:18px;color:var(--accent);margin-left:2px;}
.proof-metric .pm-label{font-size:13px;color:var(--text-3);margin-top:6px;}
.proof-cards{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;}
.proof-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-card);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;}
.proof-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);border-color:rgba(232,85,31,.32);}
.proof-card h3{font-size:19px;margin-bottom:12px;}
.proof-card p{font-size:15px;color:var(--text-2);margin:0;}
.proof-card.feature{display:flex;flex-direction:column;justify-content:space-between;gap:22px;}
.quote{margin:0;background:var(--bg);border-left:3px solid var(--brand);border-radius:0 var(--radius-badge) var(--radius-badge) 0;padding:16px 20px;font-size:15px;line-height:1.8;color:var(--text-2);}
.quote footer{margin-top:10px;font-size:13px;color:var(--text-3);}
.proof-side{display:grid;gap:24px;}
.proof-cover{border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;margin-bottom:16px;}
.proof-cover img{width:100%;height:100%;object-fit:cover;}

/* 服务方式 */
.plan-tabs{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.plan-tab{padding:12px 22px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-btn);font-size:15px;font-weight:600;color:var(--text-2);cursor:pointer;transition:all .2s ease;}
.plan-tab:hover{border-color:rgba(232,85,31,.32);color:var(--brand);}
.plan-tab.active{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.plan-panel{display:none;}
.plan-panel.active{display:block;}
.plan-box{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:0;overflow:hidden;}
.plan-box.recommend{border:2px solid var(--brand);}
.plan-head{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:flex-end;padding:28px;border-bottom:1px dashed var(--line);}
.plan-head .ph-title{font-size:22px;font-weight:700;color:var(--ink);}
.plan-head .ph-desc{font-size:14px;color:var(--text-2);margin-top:6px;}
.plan-head .ph-price{font-size:26px;font-weight:800;color:var(--brand);line-height:1.2;}
.plan-head .ph-price small{font-size:13px;font-weight:500;color:var(--text-3);display:block;}
.plan-flag{position:absolute;top:14px;right:14px;}
.plan-list{padding:8px 28px 28px;}
.plan-list li{display:grid;grid-template-columns:26px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2);}
.plan-list li:last-child{border-bottom:0;}
.plan-list li strong{display:block;color:var(--text);font-size:16px;font-weight:600;margin-bottom:2px;}
.plan-check{width:20px;height:20px;border-radius:50%;background:var(--accent-soft);position:relative;margin-top:3px;}
.plan-check::after{content:"";position:absolute;left:7px;top:4px;width:5px;height:9px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg);}

/* 分类入口 */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.cat-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;text-decoration:none;box-shadow:var(--shadow-card);transition:all .25s ease;}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(232,85,31,.32);text-decoration:none;}
.cat-card .cc-icon{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.cat-card .cc-icon svg{width:22px;height:22px;stroke:var(--accent);}
.cat-card h3{font-size:17px;margin-bottom:8px;color:var(--ink);}
.cat-card p{font-size:14px;color:var(--text-2);margin:0;}
.cat-card .cc-more{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--brand);}

/* 资讯卡片 */
.news-grid{margin-top:8px;}
.news-card{height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:all .25s ease;}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(232,85,31,.32);}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body .news-badges{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap;}
.news-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:inherit;text-decoration:none;}
.news-title a:hover{color:var(--brand);}
.news-summary{font-size:15px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.news-meta{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-3);}
.empty-state{text-align:center;padding:64px 20px;}
.empty-state svg{width:48px;height:48px;stroke:var(--text-3);margin:0 auto 16px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:20px;}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{background:transparent;border:0;margin:0;}
.accordion .accordion-item{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;}
.accordion .accordion-item:hover{border-color:rgba(232,85,31,.32);}
.faq-q{margin:0;font-size:17px;font-weight:600;line-height:1.5;}
.accordion .accordion-title{position:relative;display:flex;align-items:center;min-height:56px;padding:14px 56px 14px 20px;font-size:17px;font-weight:600;color:var(--ink);background:transparent;border:0;border-top:0;line-height:1.5;}
.accordion .accordion-title:hover{color:var(--brand);background:transparent;}
.accordion .accordion-title::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 2px 2px 0;background:var(--line);}
.accordion .accordion-item.is-active .accordion-title::before{background:var(--brand);}
.accordion .accordion-title::after{content:"";position:absolute;right:22px;top:50%;width:14px;height:2px;background:var(--text-3);transform:translateY(-50%);transition:transform .2s ease,background .2s ease;}
.accordion .accordion-item.is-active .accordion-title::after{background:var(--brand);transform:translateY(-50%) rotate(90deg);opacity:.4;}
.faq-plus{position:absolute;right:22px;top:50%;width:14px;height:14px;transform:translateY(-50%);pointer-events:none;}
.accordion .accordion-content{padding:0 20px 20px;border:0;font-size:15px;line-height:1.8;color:var(--text-2);}

/* CTA 条 */
.cta-band{position:relative;background:var(--ink);overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 16px);}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:52px 0;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-inner p{color:#C9CFD4;font-size:15px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 浮动 CTA */
.float-cta{position:fixed;right:32px;bottom:32px;z-index:60;display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--shadow-brand);opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .2s ease,transform .2s ease,background .2s ease;text-decoration:none;}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--brand-dark);color:#fff;text-decoration:none;}
.float-cta svg{width:19px;height:19px;stroke:#fff;}
.mobile-cta-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding:8px 16px calc(8px + env(safe-area-inset-bottom));align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -4px 16px rgba(20,24,28,.08);}
.mobile-cta-bar .mcb-label{font-size:13px;font-weight:600;color:var(--text-2);}

/* 页脚 */
.site-footer{background:var(--ink);color:#C9CFD4;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;text-decoration:none;}
.footer-brand:hover{color:#fff;text-decoration:none;}
.footer-brand svg{width:24px;height:24px;flex:0 0 24px;}
.footer-desc{font-size:14px;line-height:1.8;color:#9AA3AA;margin-bottom:16px;}
.footer-contact{font-size:14px;color:#C9CFD4;line-height:1.9;}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.04em;color:rgba(255,255,255,.9);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#C9CFD4;text-decoration:none;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#8B939B;}

@media screen and (max-width:1279px){
  .container{padding:0 28px;}
}
@media screen and (max-width:1023px){
  .hero{min-height:auto;padding:48px 0 56px;}
  .nav-links{gap:20px;}
  .nav-search{width:180px;}
  .value-item:nth-child(odd),.value-item:nth-child(even){padding-left:0;padding-right:0;border-right:0;}
  .value-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:959px){
  .nav-links,.nav-search,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{height:60px;}
  .brand{font-size:15px;}
  .hero-inner .grid-x{flex-direction:column-reverse;}
  .hero-copy{padding-top:28px;}
  .hero-media{aspect-ratio:16/9;max-height:240px;}
  .hero-sub{font-size:17px;}
  .hero-stats{gap:28px;padding-top:22px;}
  .demo-inner{grid-template-columns:1fr;gap:32px;}
  .proof-metrics{grid-template-columns:repeat(2,1fr);gap:20px;}
  .proof-cards{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);gap:20px;}
  .section{padding:56px 0;}
  .container,.container-narrow{padding:0 20px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .float-cta{display:none;}
  .mobile-cta-bar{display:flex;}
  .site-footer{padding-bottom:72px;}
  .section-head{margin-bottom:28px;}
}
@media screen and (max-width:599px){
  .proof-metrics{grid-template-columns:1fr 1fr;}
  .cat-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .plan-head{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-stats{gap:20px;}
  .hero-stat .stat-num{font-size:22px;}
  .value-item{grid-template-columns:1fr;gap:14px;}
}

/* roulang page: article */
:root{
  --brand:#E8551F;
  --brand-dark:#C4431A;
  --brand-soft:#FDEDE6;
  --accent:#00A88F;
  --accent-soft:#E4F6F2;
  --ink:#14181C;
  --text:#1F2429;
  --text-2:#5A626B;
  --text-3:#8B939B;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --line:#ECE7E0;
  --highlight:#FFC93C;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-card:0 1px 2px rgba(20,24,28,.04);
  --sh-card-hover:0 12px 28px rgba(20,24,28,.10);
  --sh-nav:0 4px 16px rgba(20,24,28,.08);
  --sh-btn:0 8px 20px rgba(232,85,31,.28);
  --font: "PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-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:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--accent);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);text-decoration:underline;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-family:var(--font);}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.4em;}
button,input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(232,85,31,.35);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand:hover{color:var(--ink);text-decoration:none;}
.brand-mark{width:24px;height:24px;flex:0 0 24px;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links > a{
  position:relative;
  padding:24px 0;
  font-size:15px;font-weight:500;color:var(--text);
}
.nav-links > a::after{
  content:"";position:absolute;left:50%;bottom:16px;width:0;height:2px;
  background:var(--brand);border-radius:2px;transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-links > a:hover{color:var(--brand);text-decoration:none;}
.nav-links > a:hover::after{width:100%;}
.nav-links > a.active{color:var(--brand);}
.nav-links > a.active::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:16px;}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:42px;padding:0 12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{width:18px;height:18px;flex:0 0 18px;stroke:var(--text-3);fill:none;}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:0;
  font-size:14px;color:var(--text);padding-left:8px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,168,143,.15);}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";display:block;width:20px;height:1.5px;background:var(--ink);border-radius:2px;position:relative;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

.mobile-drawer{
  display:none;
  position:fixed;left:0;right:0;top:60px;bottom:0;
  background:#fff;z-index:49;
  padding:20px;
  overflow-y:auto;
  border-top:1px solid var(--line);
}
.mobile-drawer.is-open{display:block;}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-input);margin-bottom:20px;
}
.drawer-search svg{width:18px;height:18px;flex:0 0 18px;stroke:var(--text-3);fill:none;}
.drawer-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;border-bottom:1px solid var(--line);
  color:var(--text);font-size:16px;font-weight:500;
}
.drawer-link:hover{color:var(--brand);text-decoration:none;}
.drawer-link svg{width:16px;height:16px;stroke:var(--text-3);fill:none;}
.drawer-cta{margin-top:24px;width:100%;text-align:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;text-align:center;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-btn);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-text{background:transparent;color:var(--accent);border:0;padding:0;font-weight:600;border-bottom:1px solid var(--accent);border-radius:0;}
.btn-text:hover{color:var(--brand);border-bottom-color:var(--brand);text-decoration:none;}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:24px 0 0;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);white-space:nowrap;overflow:hidden;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--text-2);overflow:hidden;text-overflow:ellipsis;}

/* ---------- 文章头部 ---------- */
.article-head{padding:24px 0 28px;border-bottom:1px solid var(--line);}
.badge{
  display:inline-block;padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-accent{background:var(--accent-soft);color:var(--accent);}
.badge-time{background:var(--bg);color:var(--text-3);}
.badge-highlight{background:var(--highlight);color:var(--ink);}
.article-head h1{
  margin:16px 0 0;
  font-size:clamp(26px,4vw,40px);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:16px;margin-top:20px;
  font-size:13px;color:var(--text-3);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px;}
.meta-row svg{width:15px;height:15px;stroke:var(--text-3);fill:none;}

/* ---------- 文章布局 ---------- */
.article-layout{padding:40px 0 72px;}
.article-main{min-width:0;}
.article-body{
  max-width:800px;
  font-size:17px;line-height:1.9;color:var(--text);
}
.article-body h2{
  position:relative;margin:2.2em 0 1em;padding-left:14px;
  font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.3;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{margin:1.6em 0 .8em;font-size:20px;font-weight:600;line-height:1.4;}
.article-body p{margin:0 0 1.1em;}
.article-body ul,.article-body ol{padding-left:1.4em;line-height:1.8;}
.article-body li{margin-bottom:.4em;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--bg);
  border-left:4px solid var(--brand);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{width:100%;border-radius:var(--r-img);margin:1.4em 0 .8em;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left;}
.article-body th{background:var(--bg);font-weight:600;color:var(--ink);}
.article-body strong{color:var(--ink);}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.empty-article{
  max-width:800px;padding:48px 32px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);text-align:center;
}
.empty-article svg{width:48px;height:48px;stroke:var(--text-3);fill:none;margin:0 auto 16px;}
.empty-article h2{font-size:22px;margin-bottom:12px;}
.empty-article p{color:var(--text-2);font-size:15px;margin-bottom:24px;}

/* ---------- 侧栏 ---------- */
.article-side{position:relative;}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);
}
.side-card.has-topline{border-top:3px solid var(--brand);}
.side-title{font-size:15px;font-weight:600;letter-spacing:.04em;color:var(--ink);margin-bottom:16px;}
.toc-list{list-style:none;margin:0;padding:0;}
.toc-list li{margin-bottom:4px;}
.toc-list a{
  display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:6px;
  font-size:14px;color:var(--text-2);
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none;border-left-color:var(--brand);}
.hot-list{list-style:none;margin:0;padding:0;counter-reset:hot;}
.hot-list li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--line);}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list li::before{
  counter-increment:hot;content:counter(hot,decimal-leading-zero);
  font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;flex:0 0 24px;
}
.hot-list a{font-size:14px;color:var(--text);line-height:1.6;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.hot-list a:hover{color:var(--brand);}
.side-consult p{font-size:14px;color:var(--text-2);margin-bottom:18px;line-height:1.7;}
.only-mobile{display:none;}

/* ---------- 正文结尾区块 ---------- */
.article-foot{max-width:800px;margin-top:48px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px;}
.tag{
  padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--text-2);transition:all .2s ease;
}
.tag:hover{background:var(--brand-soft);border-color:rgba(232,85,31,.32);color:var(--brand);text-decoration:none;}
.pn-card{
  display:block;height:100%;padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(232,85,31,.32);text-decoration:none;}
.pn-label{display:block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--accent);margin-bottom:8px;}
.pn-title{display:block;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pn-card:hover .pn-title{color:var(--brand);}

.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:56px 0 28px;}
.section-title{position:relative;padding-left:14px;font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.3;}
.section-title::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand);}
.cards-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-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(232,85,31,.32);}
.card-link{display:block;color:inherit;}
.card-link:hover{text-decoration:none;color:inherit;}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg);}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card-body{padding:20px 22px 22px;}
.card-title{
  margin:12px 0 10px;font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-text{
  margin:0 0 16px;font-size:15px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;gap:16px;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;}

/* ---------- FAQ ---------- */
.faq-section{max-width:900px;margin-top:64px;}
.faq-accordion{list-style:none;margin:0;padding:0;background:transparent;border:0;}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
}
.faq-accordion .accordion-item.is-active{border-color:rgba(232,85,31,.32);}
.faq-accordion .accordion-title{
  position:relative;display:flex;align-items:center;border:0;background:#fff;
  min-height:56px;padding:14px 48px 14px 18px;border-left:3px solid transparent;
  transition:background-color .2s ease,border-color .2s ease;
}
.faq-accordion .accordion-title:hover{background:var(--bg);}
.faq-accordion .accordion-item.is-active .accordion-title{border-left-color:var(--brand);}
.faq-accordion .accordion-title h3{font-size:16px;font-weight:600;line-height:1.6;margin:0;color:var(--ink);}
.faq-accordion .accordion-title::after{
  content:"";position:absolute;right:20px;top:50%;width:12px;height:1.5px;
  background:var(--text-3);transform:translateY(-50%);
}
.faq-accordion .accordion-title::before{
  content:"";position:absolute;right:25.25px;top:50%;width:1.5px;height:12px;
  background:var(--text-3);transform:translateY(-50%);transition:transform .2s ease,opacity .2s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(90deg);opacity:0;}
.faq-accordion .accordion-content{
  border:0;border-top:1px solid var(--line);padding:16px 20px;background:#fff;
  font-size:15px;line-height:1.8;color:var(--text-2);
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;background-color:var(--ink);
  background-image:
    repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 6px,transparent 6px 18px),
    linear-gradient(rgba(20,24,28,.78),rgba(20,24,28,.78)),
    url("/assets/images/backpic/back-2.png");
  background-size:auto,cover,cover;
  background-position:center;
  padding:64px 0;
}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.35;font-weight:700;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:12px 0 0;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 10px 24px rgba(232,85,31,.32);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,background-color .2s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--brand-dark);color:#fff;text-decoration:none;}
.float-cta svg{width:20px;height:20px;stroke:#fff;fill:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9CFD4;padding:72px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px;}
.footer-brand svg{width:24px;height:24px;}
.footer-desc{font-size:14px;line-height:1.8;color:#C9CFD4;margin-bottom:16px;}
.footer-contact{font-size:14px;line-height:1.8;color:#C9CFD4;}
.footer-col h3{font-size:14px;font-weight:600;letter-spacing:.04em;color:rgba(255,255,255,.9);margin-bottom:18px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:#C9CFD4;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8B939B;
}
.footer-bottom a{color:#8B939B;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-side{display:none;}
  .article-main{flex:0 0 100%;max-width:100%;}
  .only-mobile{display:block;}
  .cards-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:959px){
  .container{padding:0 20px;}
  .nav-inner{height:60px;}
  .brand{font-size:15px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-right .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .article-head{padding:20px 0 24px;}
  .article-layout{padding:32px 0 56px;}
  .article-body{max-width:100%;font-size:16px;}
  .cta-band{padding:48px 0;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .cta-band-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;padding:0 20px;
    height:56px;justify-content:space-between;box-shadow:0 -6px 20px rgba(20,24,28,.18);
    opacity:1;transform:none;pointer-events:auto;
  }
  .float-cta span{font-size:14px;}
  .site-footer{padding-bottom:72px;}
}
@media (max-width:599px){
  body{font-size:16px;}
  .article-head h1{font-size:26px;}
  .cards-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .meta-row{gap:12px;}
  .section-title-row{flex-direction:column;align-items:flex-start;}
  .pn-title{white-space:normal;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
}

/* roulang page: category1 */
:root{
  --brand:#E8551F;
  --brand-dark:#C4431A;
  --brand-soft:#FDEDE6;
  --accent:#00A88F;
  --accent-soft:#E4F6F2;
  --ink:#14181C;
  --text:#1F2429;
  --text-2:#5A626B;
  --text-3:#8B939B;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --line:#ECE7E0;
  --highlight:#FFC93C;
  --page-accent:#00A88F;
  --page-accent-soft:#E4F6F2;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow-card:0 1px 2px rgba(20,24,28,.04);
  --shadow-card-hover:0 12px 28px rgba(20,24,28,.10);
  --shadow-nav:0 4px 16px rgba(20,24,28,.08);
  --shadow-btn:0 8px 20px rgba(232,85,31,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--accent);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(232,85,31,.35);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4,p,ul,ol{margin:0}
h1,h2,h3,h4{color:var(--ink);font-weight:700}
ul,ol{list-style:none;padding:0}
button{font-family:inherit}
[hidden]{display:none !important}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:88px 0}
.section-alt{background:var(--surface)}
.section-tight{padding:64px 0}
[id]{scroll-margin-top:96px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--shadow-nav)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap;flex:0 0 auto}
.brand:hover{color:var(--brand);text-decoration:none}
.brand-mark{width:24px;height:24px;flex:0 0 24px}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-links a{position:relative;display:block;font-size:15px;font-weight:500;color:var(--text);line-height:1;padding:26px 0}
.nav-links a::after{content:"";position:absolute;left:50%;right:50%;bottom:16px;height:2px;background:var(--brand);transition:left .2s ease,right .2s ease}
.nav-links a:hover{color:var(--brand);text-decoration:none}
.nav-links a:hover::after,.nav-links a.active::after{left:0;right:0}
.nav-links a.active{color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:16px;margin-left:24px}
.nav-search{display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-input);transition:border-color .2s ease,box-shadow .2s ease}
.nav-search svg{width:18px;height:18px;stroke:var(--text-3);fill:none;flex:0 0 18px}
.nav-search input{width:100%;border:0;background:transparent;font-size:14px;color:var(--text);outline:none;font-family:inherit}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,168,143,.15)}
.nav-cta{white-space:nowrap}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;position:relative;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:11px;width:22px;height:2px;background:var(--ink);border-radius:2px;content:"";transition:transform .2s ease}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-7px;left:0}
.nav-toggle span::after{top:7px;left:0}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{position:fixed;inset:60px 0 0;background:#fff;z-index:55;overflow-y:auto;padding:20px 20px 96px}
.md-search{display:flex;align-items:center;height:48px;padding:0 14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-input);margin-bottom:20px}
.md-search input{width:100%;border:0;background:transparent;font-size:15px;outline:none;font-family:inherit;color:var(--text)}
.md-nav a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 4px;font-size:16px;font-weight:500;color:var(--text);border-bottom:1px solid var(--line)}
.md-nav a:hover{color:var(--brand);text-decoration:none}
.md-nav a svg{width:16px;height:16px;stroke:var(--text-3);fill:none}
.md-cta{margin-top:24px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:var(--radius-btn);border:1.5px solid transparent;font-size:16px;font-weight:600;line-height:1;cursor:pointer;text-align:center;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-btn)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.72);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 分类页头带 ---------- */
.page-band{position:relative;overflow:hidden;min-height:300px;display:flex;align-items:center;padding:48px 0;color:#fff;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.page-band::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(20,24,28,.78),rgba(20,24,28,.62))}
.page-band::after{content:"";position:absolute;inset:0;background:var(--page-accent);opacity:.15;pointer-events:none}
.page-band .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;white-space:nowrap;overflow:hidden}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb em{font-style:normal;color:#fff;text-overflow:ellipsis;overflow:hidden}
.breadcrumb i{font-style:normal;opacity:.6}
.page-band h1{font-size:clamp(28px,4.2vw,44px);line-height:1.16;font-weight:800;letter-spacing:-.01em;color:#fff;max-width:820px}
.band-sub{margin-top:14px;font-size:19px;line-height:1.6;color:rgba(255,255,255,.84);max-width:640px}
.band-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- 文档型布局 ---------- */
.doc-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:64px;align-items:start}
.doc-toc{position:sticky;top:96px}
.toc-title{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--text-3);margin-bottom:16px}
.doc-toc ul{border-left:1px solid var(--line)}
.doc-toc li a{display:block;padding:10px 0 10px 16px;margin-left:-1px;border-left:2px solid transparent;font-size:15px;color:var(--text-2);line-height:1.5}
.doc-toc li a:hover{color:var(--brand);text-decoration:none}
.doc-toc li a.is-current{color:var(--brand);border-left-color:var(--brand);font-weight:600}
.toc-cta{margin-top:24px}

.doc-intro{padding-bottom:28px;border-bottom:1px solid var(--line);color:var(--text-2);font-size:16px}
.doc-item{display:grid;grid-template-columns:60px minmax(0,1fr);gap:24px;padding:32px 0;border-bottom:1px solid var(--line)}
.doc-icon{width:48px;height:48px;border-radius:12px;background:var(--page-accent-soft);display:flex;align-items:center;justify-content:center}
.doc-icon svg{width:24px;height:24px;stroke:var(--page-accent);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.doc-item h2{font-size:clamp(20px,2.4vw,25px);line-height:1.3;margin-bottom:12px}
.doc-item p{color:var(--text-2);font-size:16px;margin-bottom:10px}
.doc-item p:last-child{margin-bottom:0}
.doc-tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{display:inline-block;padding:4px 10px;border-radius:var(--radius-badge);font-size:12px;font-weight:600;letter-spacing:.02em;background:var(--page-accent-soft);color:var(--page-accent)}
.tag-soft{background:var(--bg);color:var(--text-3)}

.doc-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card)}
.doc-stat strong{display:block;font-size:30px;font-weight:800;color:var(--page-accent);line-height:1.15}
.doc-stat span{display:block;margin-top:6px;font-size:13px;color:var(--text-3)}

/* ---------- 板块标题 ---------- */
.sec-head{margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;padding-left:14px;border-left:4px solid var(--brand)}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:16px;max-width:760px}

/* ---------- 相关条目 ---------- */
.related-grid{margin-top:8px}
.related-card{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(232,85,31,.32);text-decoration:none}
.related-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rc-body{padding:20px;display:flex;flex-direction:column;gap:10px}
.rc-body h3{font-size:18px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rc-body p{font-size:15px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rc-more{font-size:13px;font-weight:600;color:var(--accent)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-list{display:grid;gap:12px;margin-top:8px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:12px 20px;cursor:pointer;list-style:none;border-left:3px solid transparent;transition:border-color .2s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{border-left-color:rgba(232,85,31,.4)}
.faq-item[open] summary{border-left-color:var(--brand)}
.faq-item summary h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--text-3);flex:0 0 auto}
.faq-item[open] summary::after{content:"–";color:var(--brand)}
.faq-a{padding:0 20px 20px 23px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- 页脚前 CTA ---------- */
.cta-bar{position:relative;background:var(--ink);color:#fff;padding:56px 0;overflow:hidden}
.cta-bar::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 12px);pointer-events:none}
.cta-bar::after{content:"";position:absolute;right:-60px;top:-40px;width:260px;height:260px;background:var(--brand);opacity:.16;clip-path:polygon(0 0,100% 0,100% 100%);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;color:#fff}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9CFD4;border-top:1px solid rgba(255,255,255,.08);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand-head{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;white-space:nowrap}
.footer-brand-head svg{width:24px;height:24px;flex:0 0 24px}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.7;color:#9AA3AB;max-width:300px}
.footer-contact{margin-top:16px;font-size:14px;color:#C9CFD4}
.footer-contact span{display:block;padding:3px 0}
.footer-col h4{color:rgba(255,255,255,.9);font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:#C9CFD4}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:13px;color:#8B939B;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:32px;bottom:32px;z-index:70;display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--shadow-btn);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease,background .2s ease}
.float-cta:hover{background:var(--brand-dark);color:#fff;text-decoration:none;transform:translateY(0) scale(1.02)}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:0 0 20px}
.fc-mobile,.fc-mobile-btn{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding-left:28px;padding-right:28px}
  .doc-layout{gap:44px}
}
@media (max-width:959px){
  .section{padding:72px 0}
  .nav-links,.nav-search,.nav-cta{display:none}
  .nav-toggle{display:block}
  .nav-inner{height:60px;gap:12px}
  .brand{font-size:15px;gap:8px}
  .brand-mark{width:22px;height:22px;flex:0 0 22px}
  .nav-right{margin-left:auto}
  .mobile-drawer{inset:60px 0 0}
  .page-band{min-height:220px;padding:36px 0}
  .band-sub{font-size:16px}
  .doc-layout{grid-template-columns:1fr;gap:32px}
  .doc-toc{position:static;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card)}
  .doc-toc ul{border-left:0;display:flex;flex-wrap:wrap;gap:8px}
  .doc-toc li a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;margin-left:0;font-size:14px}
  .doc-toc li a.is-current{border-color:var(--brand);background:var(--brand-soft)}
  .toc-cta{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;padding:0 20px;height:56px;justify-content:space-between;transform:translateY(100%);gap:12px;box-shadow:0 -6px 20px rgba(20,24,28,.18)}
  .float-cta.is-visible{transform:translateY(0)}
  .float-cta svg{display:none}
  .fc-desktop{display:none}
  .fc-mobile{display:inline-flex;align-items:center;font-size:13px;font-weight:500;color:rgba(255,255,255,.88);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .fc-mobile-btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 18px;border-radius:8px;background:#fff;color:var(--brand);font-size:14px;font-weight:700;flex:0 0 auto}
  .site-footer{padding-bottom:72px}
}
@media (max-width:599px){
  .container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .doc-item{grid-template-columns:44px minmax(0,1fr);gap:16px;padding:24px 0}
  .doc-icon{width:40px;height:40px}
  .doc-icon svg{width:20px;height:20px}
  .doc-stats{grid-template-columns:1fr;gap:16px;padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .band-actions .btn{width:100%}
  .sec-head h2{border-left-width:3px;padding-left:12px}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category2 */
:root{
  --brand:#E8551F;
  --brand-dark:#C4431A;
  --brand-soft:#FDEDE6;
  --accent:#00A88F;
  --accent-soft:#E4F6F2;
  --ink:#14181C;
  --text:#1F2429;
  --text-2:#5A626B;
  --text-3:#8B939B;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --line:#ECE7E0;
  --highlight:#FFC93C;
  --cat:#FFC93C;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(20,24,28,.04);
  --shadow-2:0 12px 28px rgba(20,24,28,.10);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);text-decoration:underline;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(0,168,143,.35);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section-head{max-width:800px;margin-bottom:40px;}
.section-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.2;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.section-head p{margin-top:16px;font-size:16px;line-height:1.8;color:var(--text-2);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(20,24,28,.08);}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{width:24px;height:24px;flex:none;}
.brand span{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.005em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  height:var(--nav-h);
  font-size:15px;font-weight:500;color:var(--text);
  text-decoration:none;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:16px;height:2px;
  background:var(--brand);border-radius:2px;
  transition:left .2s ease,right .2s ease;
}
.nav-links a:hover{color:var(--brand);text-decoration:none;}
.nav-links a:hover::after{left:0;right:0;}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{left:0;right:0;}
.nav-right{display:flex;align-items:center;gap:16px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 14px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search svg{width:18px;height:18px;flex:none;stroke:var(--text-3);}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(0,168,143,.15);}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:1.5px;margin:0 auto;background:var(--ink);border-radius:2px;
  content:"";position:relative;
}
.nav-toggle span::before{position:absolute;top:-6px;left:0;}
.nav-toggle span::after{position:absolute;top:6px;left:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:16px;font-weight:600;line-height:1.2;text-decoration:none;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,85,31,.28);}
.btn-primary:focus-visible{outline:3px solid rgba(232,85,31,.35);outline-offset:2px;}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;}
.btn-onDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-onDark:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{padding:10px 18px;font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--accent);
  border-bottom:1px solid currentColor;padding-bottom:2px;
}
.text-link:hover{color:var(--brand);text-decoration:none;}

/* ---------- 分类页头带 ---------- */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;align-items:center;
  padding:48px 0;
  background-image:
    linear-gradient(rgba(20,24,28,.65),rgba(20,24,28,.65)),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(255,201,60,.22),rgba(255,201,60,0) 62%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:16px 16px;
  opacity:.9;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.7);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.85);text-decoration:none;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .current{color:#fff;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;
  color:#fff;max-width:22ch;
}
.page-hero .hero-sub{
  margin-top:16px;
  font-size:18px;line-height:1.7;
  color:rgba(255,255,255,.86);
  max-width:34ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;}

/* ---------- 速览 ---------- */
.overview{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px 36px;
  box-shadow:var(--shadow-1);
}
.overview-head h2{
  font-size:22px;font-weight:700;color:var(--ink);line-height:1.3;
  padding-left:14px;border-left:4px solid var(--brand);
}
.overview-head p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:48ch;}
.pill-list{display:flex;flex-wrap:wrap;gap:12px;}
.pill-list li{
  padding:8px 16px;
  background:var(--accent-soft);color:var(--accent);
  border-radius:var(--r-badge);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;
}

/* ---------- Z 字交错图文 ---------- */
.z-block{margin-bottom:64px;align-items:center;}
.z-block:last-child{margin-bottom:0;}
.z-body{padding-right:24px;}
.z-num{
  display:block;
  font-size:24px;font-weight:700;line-height:1;
  color:var(--cat);
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.z-body h2{
  font-size:clamp(24px,2.8vw,32px);
  line-height:1.25;font-weight:700;color:var(--ink);
  margin-bottom:16px;
}
.z-body p{font-size:16px;line-height:1.85;color:var(--text-2);margin-bottom:16px;}
.z-body p:last-of-type{margin-bottom:24px;}
.z-list{margin:0 0 24px;padding:0;}
.z-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;line-height:1.8;color:var(--text-2);
  margin-bottom:8px;
}
.z-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:2px;
  background:var(--cat);
  opacity:.9;
}
.z-media-inner{
  aspect-ratio:16/10;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--bg);
  border:1px solid var(--line);
}
.z-media-inner img{width:100%;height:100%;object-fit:cover;}

/* ---------- 相关条目 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.related-item{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  text-decoration:none;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(232,85,31,.32);
  text-decoration:none;
}
.related-cat{
  display:inline-block;
  padding:4px 10px;
  background:var(--accent-soft);color:var(--accent);
  border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  margin-bottom:12px;
}
.related-item h3{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-meta{
  display:block;margin-top:16px;
  font-size:13px;color:var(--text-3);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{background:transparent;border:0;margin:0;}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-title{
  display:flex;align-items:center;gap:16px;
  min-height:56px;
  padding:14px 24px;
  border:0;border-left:3px solid transparent;
  background:var(--surface);
  font-size:17px;font-weight:600;color:var(--text);
  text-decoration:none;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.accordion-title:hover{background:var(--brand-soft);color:var(--text);text-decoration:none;}
.accordion-title h3{margin:0;font-size:17px;font-weight:600;line-height:1.5;}
.accordion-title::after{
  content:"+";margin-left:auto;
  font-size:22px;line-height:1;font-weight:400;color:var(--text-3);
}
.accordion-item.is-active .accordion-title{
  border-left-color:var(--brand);
  color:var(--brand);
}
.accordion-item.is-active .accordion-title::after{content:"−";color:var(--brand);}
.accordion-content{
  padding:4px 24px 22px;
  border:0;
  background:var(--surface);
  font-size:15px;line-height:1.8;color:var(--text-2);
}

/* ---------- 页脚前 CTA 条 ---------- */
.cta-band{
  position:relative;
  background:var(--ink);
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.08) 0 1px,transparent 1px 12px);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  padding:56px 0;
}
.cta-inner h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;font-weight:700;color:#fff;
  max-width:26ch;
}
.cta-inner p{
  margin-top:12px;font-size:15px;line-height:1.7;color:rgba(255,255,255,.72);
  max-width:44ch;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:64px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;text-decoration:none;}
.footer-brand span{font-size:17px;font-weight:700;color:#fff;}
.footer-brand:hover{text-decoration:none;}
.footer-desc{font-size:14px;line-height:1.8;color:#C9CFD4;max-width:34ch;margin-bottom:16px;}
.footer-contact{font-size:14px;line-height:1.9;color:#C9CFD4;}
.footer-col h4{
  font-size:14px;font-weight:600;letter-spacing:.04em;
  color:rgba(255,255,255,.9);
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#C9CFD4;text-decoration:none;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 24px;
}
.footer-bottom p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.55);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;
  background:var(--brand);color:#fff;
  font-size:15px;font-weight:600;text-decoration:none;
  box-shadow:0 8px 20px rgba(232,85,31,.28);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,background .2s ease;
}
.float-cta:hover{background:var(--brand-dark);color:#fff;text-decoration:none;}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta .fc-label{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px;}
}
@media (max-width:959px){
  :root{--nav-h:60px;}
  .container{padding:0 20px;}
  .section{padding:72px 0;}
  .section--tight{padding:48px 0;}
  .brand span{font-size:15px;}
  .nav-links{
    position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;
    display:none;flex-direction:column;gap:0;
    background:#fff;padding:8px 20px 32px;
    overflow-y:auto;z-index:55;
    margin-left:0;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{
    width:100%;height:52px;
    border-bottom:1px solid var(--line);
    font-size:16px;justify-content:flex-start;
  }
  .nav-links a::after{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:block;}
  .nav-cta{padding:9px 14px;font-size:13px;}
  .page-hero{min-height:220px;padding:36px 0;}
  .page-hero h1{font-size:28px;max-width:none;}
  .page-hero .hero-sub{font-size:16px;max-width:none;}
  .hero-actions{gap:12px;margin-top:24px;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .overview{padding:24px;}
  .z-block{margin-bottom:48px;}
  .z-body{padding-right:0;margin-top:24px;}
  .z-media{order:-1;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-inner{padding:44px 0;flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  body{padding-bottom:72px;}
  .float-cta{
    left:0;right:0;bottom:0;
    border-radius:0;
    height:56px;padding:0 20px;
    padding-bottom:env(safe-area-inset-bottom);
    justify-content:space-between;
    opacity:1;transform:none;pointer-events:auto;
    box-shadow:0 -2px 12px rgba(20,24,28,.18);
  }
  .float-cta .fc-label{display:block;font-size:13px;font-weight:500;color:rgba(255,255,255,.86);}
  .float-cta .fc-action{font-size:15px;font-weight:600;}
}
@media (max-width:599px){
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .overview-head h2{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .accordion-title{padding:12px 18px;}
  .accordion-content{padding:4px 18px 20px;}
}

/* roulang page: category3 */
:root{
  --brand:#E8551F;
  --brand-dark:#C4431A;
  --brand-soft:#FDEDE6;
  --accent:#00A88F;
  --accent-soft:#E4F6F2;
  --ink:#14181C;
  --text:#1F2429;
  --text-2:#5A626B;
  --text-3:#8B939B;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --line:#ECE7E0;
  --highlight:#FFC93C;
  --page-accent:#B4472B;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow-card:0 1px 2px rgba(20,24,28,.04);
  --shadow-card-hover:0 12px 28px rgba(20,24,28,.10);
  --shadow-nav:0 4px 16px rgba(20,24,28,.08);
  --shadow-btn:0 8px 20px rgba(232,85,31,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand);text-decoration:underline}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.24}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
li{list-style:none}
button{font:inherit}
:focus-visible{outline:3px solid rgba(0,168,143,.35);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-soft);color:var(--brand-dark)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:var(--shadow-nav)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap;flex:none}
.brand:hover{color:var(--ink);text-decoration:none}
.brand-mark{width:24px;height:24px;flex:none;display:block}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text);line-height:1;padding:26px 0}
.nav-links a::after{content:"";position:absolute;left:50%;right:50%;bottom:16px;height:2px;background:var(--brand);transition:left .2s ease,right .2s ease}
.nav-links a:hover{color:var(--brand);text-decoration:none}
.nav-links a:hover::after,.nav-links a.active::after{left:0;right:0}
.nav-links a.active{color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:16px;flex:none}
.nav-search{display:flex;align-items:center;width:220px;height:40px;padding:0 12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-input);transition:border-color .2s ease,box-shadow .2s ease}
.nav-search svg{width:18px;height:18px;flex:none;margin-right:8px;stroke:var(--text-3);fill:none;stroke-linecap:round}
.nav-search input{width:100%;height:100%;border:0;outline:none;background:transparent;font-size:14px;color:var(--text)}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,168,143,.15)}
.nav-toggle{display:none;position:relative;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-input);background:#fff;cursor:pointer;padding:0}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:1.6px;background:var(--ink);border-radius:2px;transform:translateX(-50%);transition:transform .2s ease,opacity .2s ease}
.nav-toggle span{top:50%;margin-top:-.8px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;padding:14px 26px;border:1.5px solid transparent;border-radius:var(--radius-btn);cursor:pointer;white-space:nowrap;transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-btn)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;text-decoration:none}
.btn-light{background:transparent;border-color:rgba(255,255,255,.75);color:#fff}
.btn-light:hover{background:#fff;color:var(--ink);text-decoration:none}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.text-link{color:var(--accent);font-weight:600;border-bottom:1px solid currentColor;padding-bottom:2px}
.text-link:hover{color:var(--brand);text-decoration:none}

/* ---------- 页头带 ---------- */
.page-hero{position:relative;display:flex;align-items:center;min-height:300px;color:#fff;background-color:var(--ink);background-image:linear-gradient(118deg,rgba(20,24,28,.86),rgba(20,24,28,.62)),url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(120deg,rgba(180,71,43,.34),rgba(180,71,43,0) 62%)}
.page-hero::after{content:"";position:absolute;right:-40px;top:-60px;width:260px;height:260px;background:var(--page-accent);opacity:.22;clip-path:polygon(28% 0,100% 0,100% 68%,70% 100%,0 100%,0 30%)}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs .sep{color:rgba(255,255,255,.45)}
.crumbs .current{color:rgba(255,255,255,.95);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{color:#fff;font-size:clamp(28px,4.2vw,44px);line-height:1.18;font-weight:800;max-width:820px}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.7;color:rgba(255,255,255,.86);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--page-accent);background:rgba(180,71,43,.1);border-radius:var(--radius-badge);padding:4px 10px;margin-bottom:16px}
.sec-title{position:relative;padding-left:16px;font-size:clamp(26px,3.4vw,38px);line-height:1.2}
.sec-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--brand)}
.sec-desc{margin-top:16px;font-size:16px;color:var(--text-2);max-width:760px}

/* ---------- 关键指标 ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.kpi:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(232,85,31,.32)}
.kpi .num{font-size:32px;font-weight:800;line-height:1.1;color:var(--page-accent);font-variant-numeric:tabular-nums}
.kpi .lab{margin-top:10px;font-size:13px;color:var(--text-3);line-height:1.6}

/* ---------- 表格 ---------- */
.table-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:8px;overflow:hidden}
.spec-table{width:100%;border-collapse:collapse;font-size:15px}
.spec-table th,.spec-table td{padding:16px 18px;text-align:left;vertical-align:middle;border-bottom:1px solid var(--line)}
.spec-table thead th{background:var(--bg);color:var(--text-2);font-size:13px;font-weight:600;letter-spacing:.04em;white-space:nowrap}
.spec-table tbody tr{transition:background-color .18s ease}
.spec-table tbody tr:hover{background:var(--bg)}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table td:first-child{font-weight:600;color:var(--ink);width:19%}
.spec-table td{color:var(--text-2);font-variant-numeric:tabular-nums}
.badge{display:inline-block;font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--radius-badge);background:var(--accent-soft);color:var(--accent);white-space:nowrap}
.badge-hot{background:var(--highlight);color:var(--ink);margin-left:8px}
.badge-time{background:var(--bg);color:var(--text-3)}
.table-note{margin-top:16px;font-size:14px;color:var(--text-3)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(232,85,31,.32)}
.step .no{width:36px;height:36px;border-radius:50%;border:1.5px solid var(--page-accent);color:var(--page-accent);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;margin-bottom:16px;font-variant-numeric:tabular-nums}
.step h3{font-size:18px;font-weight:600;line-height:1.5}
.step p{margin-top:10px;font-size:15px;color:var(--text-2);margin-bottom:0}

/* ---------- 卡片条带 ---------- */
.card-strip{display:flex;gap:24px;overflow-x:auto;padding:4px 4px 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.card-strip .card{flex:0 0 340px;scroll-snap-align:start}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(232,85,31,.32)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{display:flex;flex-direction:column;gap:12px;flex:1;padding:20px 22px 22px}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:15px;color:var(--text-2);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--text-3)}
.card{text-decoration:none;color:inherit}
.card:hover{color:inherit;text-decoration:none}

/* ---------- 相关条目 ---------- */
.link-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.link-item{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 22px;color:var(--ink);font-weight:600;transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease}
.link-item:hover{color:var(--brand);text-decoration:none;transform:translateY(-2px);border-color:rgba(232,85,31,.32);box-shadow:var(--shadow-card-hover)}
.link-item span{font-size:15px}
.link-item em{font-style:normal;font-size:13px;color:var(--text-3);font-weight:500}

/* ---------- FAQ ---------- */
.faq-accordion{max-width:900px}
.faq-accordion .accordion-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-accordion .accordion-title{display:flex;align-items:center;gap:12px;min-height:56px;padding:0 20px;font-size:17px;font-weight:600;color:var(--ink);background:transparent;border:0}
.faq-accordion .accordion-title h3{font-size:17px;font-weight:600;margin:0;color:inherit}
.faq-accordion .accordion-title::before{content:"";width:3px;height:22px;border-radius:2px;background:var(--line);flex:none;transition:background-color .2s ease}
.faq-accordion .accordion-title::after{content:"+";margin-left:auto;font-size:20px;font-weight:400;line-height:1;color:var(--text-3)}
.faq-accordion .accordion-title:hover{background:var(--bg);text-decoration:none}
.faq-accordion .accordion-item.is-active .accordion-title::before{background:var(--brand)}
.faq-accordion .accordion-item.is-active .accordion-title::after{content:"−";color:var(--brand)}
.faq-accordion .accordion-content{padding:0 20px 20px 35px;font-size:15px;line-height:1.8;color:var(--text-2);border-top:0}
.faq-accordion .accordion-content p{margin:0}

/* ---------- 页脚前 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.08) 0 2px,transparent 2px 12px);pointer-events:none}
.cta-band::after{content:"";position:absolute;right:-50px;top:-60px;width:240px;height:240px;background:var(--brand);opacity:.2;clip-path:polygon(30% 0,100% 0,100% 68%,68% 100%,0 100%,0 32%)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 0}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);max-width:640px}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9CFD4;padding-top:64px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand svg{width:24px;height:24px;flex:none}
.footer-about{font-size:14px;line-height:1.8;color:#A9B1B8;margin-bottom:16px}
.footer-contact{font-size:14px;color:#C9CFD4}
.footer-contact strong{color:#fff;font-weight:600}
.site-footer h4{font-size:14px;font-weight:600;letter-spacing:.04em;color:rgba(255,255,255,.9);margin-bottom:12px}
.site-footer h4:not(:first-child){margin-top:24px}
.site-footer li a{display:inline-block;font-size:14px;color:#C9CFD4;padding:5px 0}
.site-footer li a:hover{color:#fff;text-decoration:underline}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 24px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;font-size:13px;color:#8B939B}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:32px;bottom:32px;z-index:40;display:inline-flex;align-items:center;gap:10px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;padding:14px 24px;border-radius:999px;box-shadow:0 12px 28px rgba(232,85,31,.32);opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .2s ease,transform .2s ease,background-color .2s ease}
.float-cta svg{width:20px;height:20px;stroke:#fff;fill:none;flex:none}
.float-cta:hover{background:var(--brand-dark);color:#fff;text-decoration:none}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta-label{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:959px){
  body{padding-bottom:56px}
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-head{margin-bottom:32px}
  .nav-inner{min-height:60px;gap:12px}
  .brand{font-size:15px}
  .nav-links,.nav-search,.nav-cta{display:none}
  .nav-toggle{display:block}
  body.menu-open{overflow:hidden}
  .nav-inner.menu-open{position:relative}
  .nav-inner.menu-open .nav-search{display:flex;position:fixed;top:60px;left:0;right:0;width:100%;height:60px;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:0 20px;z-index:60;background:#fff}
  .nav-inner.menu-open .nav-links{display:block;position:fixed;top:120px;left:0;right:0;bottom:72px;background:#fff;padding:0 20px;overflow-y:auto;z-index:60}
  .nav-inner.menu-open .nav-links a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-inner.menu-open .nav-links a::after{display:none}
  .nav-inner.menu-open .nav-links a::before{content:"›";order:2;color:var(--text-3);font-size:20px;line-height:1}
  .nav-inner.menu-open .nav-cta{display:flex;position:fixed;left:0;right:0;bottom:0;height:72px;border-radius:0;z-index:60}
  .nav-inner.menu-open .nav-toggle{position:relative;z-index:70}
  .page-hero{min-height:220px}
  .page-hero .container{padding-top:56px;padding-bottom:56px}
  .hero-actions .btn{flex:1 1 100%}
  .kpi-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin-top:32px}
  .steps{grid-template-columns:repeat(2,1fr);gap:16px}
  .link-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:56px 0}
  .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand-col{grid-column:1 / -1}
  .card-strip .card{flex:0 0 82%}
  .nav-search input{font-size:16px}
  .float-cta{left:0;right:0;bottom:0;height:56px;padding:0 20px;border-radius:0;justify-content:space-between;transform:translateY(100%);box-shadow:0 -6px 20px rgba(20,24,28,.16)}
  .float-cta.is-visible{transform:translateY(0)}
  .float-cta-label{display:block;font-size:13px;font-weight:500;color:rgba(255,255,255,.88)}
  .float-cta-text{background:rgba(0,0,0,.18);padding:8px 16px;border-radius:999px;font-size:14px}
  body.menu-open .float-cta{display:none}
  .table-card{padding:0;border:0;background:transparent;box-shadow:none}
  .spec-table,.spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%}
  .spec-table thead{display:none}
  .spec-table tr{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px 16px;margin-bottom:16px;box-shadow:var(--shadow-card)}
  .spec-table td{border-bottom:1px solid var(--line);padding:12px 0;display:grid;grid-template-columns:108px 1fr;gap:12px;font-size:15px}
  .spec-table td:last-child{border-bottom:0}
  .spec-table td::before{content:attr(data-label);color:var(--text-3);font-weight:600;font-size:13px}
  .spec-table td:first-child{width:auto}
}
@media (max-width:599px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .footer-grid{grid-template-columns:1fr}
  .kpi-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .crumbs .current{max-width:100%}
  .card-strip .card{flex:0 0 88%}
  .faq-accordion .accordion-title{padding:0 16px;gap:10px;font-size:16px}
  .faq-accordion .accordion-content{padding:0 16px 18px 29px}
}

/* roulang page: category4 */
/* ===== 设计令牌 ===== */
:root{
  --brand:#E8551F; --brand-dark:#C4431A; --brand-soft:#FDEDE6;
  --accent:#00A88F; --accent-soft:#E4F6F2;
  --ink:#14181C; --text:#1F2429; --text-2:#5A626B; --text-3:#8B939B;
  --bg:#FAF7F2; --surface:#FFFFFF; --line:#ECE7E0; --highlight:#FFC93C;
  --cat-accent:#3D4A5C; --cat-accent-soft:rgba(61,74,92,.08);
  --radius-card:14px; --radius-btn:10px; --radius-img:12px; --radius-badge:6px;
  --shadow-card:0 1px 2px rgba(20,24,28,.04);
  --shadow-hover:0 12px 28px rgba(20,24,28,.10);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0; font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px; line-height:1.8; color:var(--text); background:var(--bg);
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:var(--accent); text-decoration:none; transition:color .2s ease;}
a:hover{color:var(--brand); text-decoration:underline;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(232,85,31,.35); outline-offset:2px;}
ul,ol{margin:0; padding:0; list-style:none;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0; color:var(--ink); letter-spacing:-0.01em;}
.container{max-width:var(--container); margin:0 auto; padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky; top:0; z-index:50; background:#fff; border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(20,24,28,.08);}
.nav-inner{display:flex; align-items:center; gap:32px; height:72px;}
.brand{display:flex; align-items:center; gap:10px; font-weight:700; font-size:18px; color:var(--ink); white-space:nowrap; text-decoration:none;}
.brand:hover{color:var(--ink); text-decoration:none;}
.brand-mark{width:24px; height:24px; flex:0 0 24px;}
.nav-links{display:flex; align-items:center; gap:28px; margin-left:8px;}
.nav-links a{
  position:relative; font-size:15px; font-weight:500; color:var(--text); padding:25px 0; text-decoration:none;
}
.nav-links a::after{
  content:""; position:absolute; left:50%; bottom:16px; width:0; height:2px; background:var(--brand);
  transform:translateX(-50%); transition:width .2s ease;
}
.nav-links a:hover{color:var(--brand); text-decoration:none;}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{width:100%;}
.nav-right{display:flex; align-items:center; gap:16px; margin-left:auto;}
.nav-search{position:relative; display:flex; align-items:center;}
.nav-search svg{position:absolute; left:12px; width:18px; height:18px; stroke:var(--text-3); pointer-events:none;}
.nav-search input{
  width:220px; height:42px; padding:0 14px 0 38px; font-size:14px; color:var(--text);
  background:#fff; border:1px solid var(--line); border-radius:10px; transition:border-color .2s, box-shadow .2s;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(0,168,143,.15);}
.nav-toggle{
  display:none; width:44px; height:44px; background:#fff; border:1px solid var(--line); border-radius:10px;
  cursor:pointer; align-items:center; justify-content:center;
}
.nav-toggle span{display:block; width:20px; height:2px; background:var(--ink); position:relative; transition:background .2s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:""; position:absolute; left:0; width:20px; height:2px; background:var(--ink); transition:transform .2s;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{display:none;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-size:16px; font-weight:600; line-height:1; padding:14px 26px; border-radius:var(--radius-btn);
  border:none; cursor:pointer; text-decoration:none; transition:background-color .2s, transform .2s, box-shadow .2s, color .2s, border-color .2s;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand); color:#fff;}
.btn-primary:hover{background:var(--brand-dark); color:#fff; transform:translateY(-1px); box-shadow:0 8px 20px rgba(232,85,31,.28);}
.btn-primary:active{transform:translateY(1px); box-shadow:none;}
.btn-outline{background:#fff; color:var(--ink); border:1.5px solid var(--ink);}
.btn-outline:hover{background:var(--ink); color:#fff; border-color:var(--ink);}
.btn-light{background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,.7);}
.btn-light:hover{background:#fff; color:var(--ink); border-color:#fff;}
.btn-sm{padding:11px 20px; font-size:14px;}
.btn-block{width:100%;}
.nav-cta{flex:0 0 auto;}

/* ===== 页头带 ===== */
.page-hero{
  position:relative; min-height:300px; display:flex; align-items:center; color:#fff;
  background-image:
    linear-gradient(rgba(61,74,92,.15), rgba(61,74,92,.15)),
    linear-gradient(rgba(20,24,28,.65), rgba(20,24,28,.65)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover; background-position:center;
}
.page-hero::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px, transparent 1px);
  background-size:16px 16px;
}
.page-hero .container{position:relative; z-index:2; padding-top:40px; padding-bottom:40px;}
.breadcrumb{display:flex; align-items:center; gap:8px; font-size:13px; color:rgba(255,255,255,.72); margin-bottom:16px;}
.breadcrumb a{color:rgba(255,255,255,.72); text-decoration:none;}
.breadcrumb a:hover{color:#fff; text-decoration:underline;}
.breadcrumb span.sep{color:rgba(255,255,255,.42);}
.breadcrumb .current{color:rgba(255,255,255,.92); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:52vw;}
.page-hero h1{
  color:#fff; font-size:clamp(28px,4.2vw,44px); line-height:1.16; font-weight:800; max-width:820px;
}
.page-hero .hero-sub{
  margin-top:16px; font-size:19px; line-height:1.6; color:rgba(255,255,255,.86); max-width:680px;
}
.hero-actions{display:flex; flex-wrap:wrap; gap:16px; margin-top:28px;}

/* ===== 通用板块 ===== */
.section{padding:88px 0;}
.section-alt{background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.section-head{max-width:820px; margin-bottom:40px;}
.section-title{
  position:relative; padding-left:16px; font-size:clamp(26px,3.4vw,38px); line-height:1.2; font-weight:700;
}
.section-title::before{
  content:""; position:absolute; left:0; top:.26em; bottom:.26em; width:5px; border-radius:3px; background:var(--brand);
}
.section-desc{margin-top:16px; font-size:17px; color:var(--text-2);}
.eyebrow{
  display:inline-block; font-size:12px; font-weight:600; letter-spacing:.06em; color:var(--cat-accent);
  background:var(--cat-accent-soft); border-radius:var(--radius-badge); padding:4px 10px; margin-bottom:16px;
}

/* ===== 清单条目 ===== */
.check-list{border-bottom:1px solid var(--line);}
.check-item{
  display:grid; grid-template-columns:104px 1fr; gap:24px; align-items:start;
  padding:30px 0; border-top:1px solid var(--line);
}
.check-num{
  font-size:40px; font-weight:800; line-height:1.1; font-variant-numeric:tabular-nums;
  color:transparent; -webkit-text-stroke:1.4px var(--cat-accent); letter-spacing:0;
}
.check-item h3{font-size:20px; font-weight:600; line-height:1.4; margin-bottom:8px;}
.check-item p{margin:0; font-size:16px; line-height:1.75; color:var(--text-2);}
.check-item .tagline{display:inline-block; margin-top:12px; font-size:13px; color:var(--accent); background:var(--accent-soft); border-radius:var(--radius-badge); padding:4px 10px;}

/* ===== 配图带 ===== */
.figure-band{margin-top:56px;}
.figure-band .figure-frame{
  aspect-ratio:16/10; border-radius:var(--radius-img); overflow:hidden; border:1px solid var(--line); background:#EFEBE5;
}
.figure-band img{width:100%; height:100%; object-fit:cover;}
.figure-band figcaption{margin-top:12px; font-size:13px; color:var(--text-3);}

/* ===== 领取区块 ===== */
.claim-block{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-card);
  padding:40px; box-shadow:var(--shadow-card); display:flex; align-items:center; gap:32px; flex-wrap:wrap;
}
.claim-block .claim-copy{flex:1 1 480px; min-width:280px;}
.claim-block h3{font-size:24px; font-weight:700; margin-bottom:12px;}
.claim-block p{margin:0; color:var(--text-2); font-size:16px;}
.claim-block .claim-action{flex:0 0 auto;}

/* ===== 相关条目 ===== */
.related-list{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px;}
.related-link{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:22px 24px; background:#fff; border:1px solid var(--line); border-radius:var(--radius-card);
  box-shadow:var(--shadow-card); transition:transform .2s, box-shadow .2s, border-color .2s;
}
.related-link:hover{transform:translateY(-2px); box-shadow:var(--shadow-hover); border-color:rgba(232,85,31,.32); text-decoration:none;}
.related-link .rl-title{display:block; font-size:17px; font-weight:600; color:var(--ink);}
.related-link .rl-desc{display:block; margin-top:6px; font-size:14px; color:var(--text-2);}
.related-link .rl-arrow{flex:0 0 20px; width:20px; height:20px; stroke:var(--cat-accent);}
.related-link:hover .rl-arrow{stroke:var(--brand);}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px; margin:0 auto;}
.faq-wrap .accordion{border:none; background:transparent;}
.faq-item{
  background:#fff; border:1px solid var(--line); border-radius:12px; margin-bottom:12px;
  box-shadow:var(--shadow-card); overflow:hidden;
}
.faq-item .accordion-title{
  display:flex; align-items:center; justify-content:space-between; gap:16px; padding:0 24px;
  min-height:56px; font-size:17px; font-weight:600; color:var(--ink); border:none; position:relative;
  transition:color .2s;
}
.faq-item .accordion-title::before{
  display:none;
}
.faq-item .accordion-title::after{
  content:"+"; font-size:22px; font-weight:400; color:var(--text-3); line-height:1;
}
.faq-item.is-active .accordion-title::after{content:"−"; color:var(--brand);}
.faq-item .accordion-title:hover, .faq-item .accordion-title:focus{background:#fff; color:var(--brand);}
.faq-item .accordion-title span.faq-stripe{
  position:absolute; left:0; top:14px; bottom:14px; width:3px; border-radius:0 3px 3px 0; background:var(--line); transition:background .2s;
}
.faq-item.is-active .accordion-title span.faq-stripe{background:var(--brand);}
.faq-item .accordion-content{padding:0 24px 22px 24px; border:none; font-size:15px; line-height:1.8; color:var(--text-2); background:#fff;}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative; background:var(--ink); color:#fff; padding:64px 0; overflow:hidden;
}
.cta-band::before{
  content:""; position:absolute; inset:0; opacity:.08; pointer-events:none;
  background-image:repeating-linear-gradient(45deg, #fff 0 2px, transparent 2px 14px);
}
.cta-band .container{position:relative; z-index:2;}
.cta-inner{display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;}
.cta-inner h2{color:#fff; font-size:clamp(22px,2.6vw,30px); line-height:1.3; font-weight:700; max-width:640px;}
.cta-inner p{margin:12px 0 0; color:rgba(255,255,255,.72); font-size:16px; max-width:640px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink); color:#C9CFD4; padding:72px 0 0; border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:48px;}
.footer-brand{display:flex; align-items:center; gap:10px; font-weight:700; font-size:18px; color:#fff;}
.footer-brand .brand-mark{width:24px; height:24px;}
.footer-about{margin-top:16px; font-size:14px; line-height:1.8; color:#C9CFD4; max-width:320px;}
.footer-contact{margin-top:12px; font-size:14px; color:#C9CFD4;}
.footer-title{font-size:14px; font-weight:600; letter-spacing:.04em; color:rgba(255,255,255,.9); margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px; color:#C9CFD4; text-decoration:none;}
.footer-links a:hover{color:#fff; text-decoration:underline;}
.footer-bottom{
  margin-top:56px; padding:20px 0 28px; border-top:1px solid rgba(255,255,255,.08);
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; font-size:13px; color:rgba(255,255,255,.6);
}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed; right:32px; bottom:32px; z-index:60;
  display:inline-flex; align-items:center; gap:10px; padding:14px 24px; border-radius:999px;
  background:var(--brand); color:#fff; font-size:15px; font-weight:600; text-decoration:none;
  box-shadow:0 10px 26px rgba(232,85,31,.32);
  opacity:0; transform:translateY(12px); pointer-events:none; transition:opacity .2s ease, transform .2s ease, background-color .2s;
}
.float-cta.is-visible{opacity:1; transform:translateY(0); pointer-events:auto;}
.float-cta:hover{background:var(--brand-dark); color:#fff; text-decoration:none;}
.float-cta svg{width:20px; height:20px; stroke:#fff;}
.mobile-bar{display:none;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr; gap:40px;}
}
@media (max-width:959px){
  .container{padding:0 24px;}
  .nav-inner{height:60px; gap:16px;}
  .brand{font-size:15px;}
  .nav-links,.nav-search,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-drawer{
    position:fixed; inset:60px 0 0 0; background:#fff; z-index:70; padding:20px 24px 32px;
    overflow-y:auto; border-top:1px solid var(--line);
  }
  .nav-drawer.is-open{display:block;}
  .drawer-search{position:relative; display:flex; align-items:center; margin-bottom:12px;}
  .drawer-search svg{position:absolute; left:12px; width:18px; height:18px; stroke:var(--text-3);}
  .drawer-search input{
    width:100%; height:48px; padding:0 14px 0 40px; font-size:15px; border:1px solid var(--line);
    border-radius:10px; background:#fff;
  }
  .drawer-search input:focus{outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(0,168,143,.15);}
  .drawer-links a{
    display:flex; align-items:center; justify-content:space-between; min-height:52px; padding:0 4px;
    font-size:16px; color:var(--ink); border-bottom:1px solid var(--line); text-decoration:none;
  }
  .drawer-links a.active{color:var(--brand);}
  .drawer-links a svg{width:16px; height:16px; stroke:var(--text-3);}
  .drawer-cta{margin-top:24px;}
  .section{padding:72px 0;}
  .page-hero{min-height:220px;}
  .check-item{grid-template-columns:76px 1fr; gap:18px; padding:26px 0;}
  .check-num{font-size:34px;}
  .claim-block{padding:32px;}
  .related-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr; gap:32px;}
  .float-cta{display:none;}
  body{padding-bottom:72px;}
  .mobile-bar{
    display:flex; position:fixed; left:0; right:0; bottom:0; z-index:60; height:56px;
    align-items:center; justify-content:space-between; gap:12px; padding:0 16px calc(env(safe-area-inset-bottom, 0px));
    background:rgba(255,255,255,.97); border-top:1px solid var(--line); box-shadow:0 -4px 16px rgba(20,24,28,.08);
  }
  .mobile-bar-label{font-size:13px; color:var(--text-2); white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
  .site-footer{padding-bottom:56px;}
}
@media (max-width:599px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .section{padding:56px 0;}
  .hero-actions{flex-direction:column; align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .check-item{grid-template-columns:1fr; gap:10px;}
  .check-num{font-size:32px;}
  .claim-block{padding:24px; gap:20px;}
  .claim-block .claim-action, .claim-block .claim-action .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column; gap:8px;}
  .cta-inner{flex-direction:column; align-items:stretch;}
  .cta-inner .btn{width:100%;}
}