/* roulang page: index */
:root{
  --brand:#2C6FB5;
  --brand-700:#1E5288;
  --brand-50:#EAF2FA;
  --accent:#F2764B;
  --accent-50:#FDEEE8;
  --ink:#10202F;
  --ink-2:#4A5C6E;
  --ink-3:#8395A7;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --surface-2:#F1F5FA;
  --line:#E3EBF3;
  --ok:#2F9E6E;
  --warn:#E0A526;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(16,40,70,.07);
  --shadow-hover:0 16px 40px rgba(16,40,70,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(16,40,70,.08)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;min-width:0}
.logo-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:13px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-700) 100%);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(44,111,181,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.logo-name{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:1.2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;
  color:var(--ink-2);transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-links a.active{background:var(--brand-50);color:var(--brand-700);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.is-open .nav-toggle span{background:transparent}
.site-header.is-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.site-header.is-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ============ Buttons / Badges ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(44,111,181,.24)}
.btn-primary:hover{background:var(--brand-700);box-shadow:0 12px 28px rgba(30,82,136,.3);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,118,75,.28)}
.btn-accent:hover{background:#e2653a;box-shadow:0 12px 28px rgba(226,101,58,.32);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50)}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--brand-50);color:var(--brand-700);
}
.badge-accent{background:var(--accent-50);color:#c1522b}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.chip-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--surface)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/a6741a25fb88465b.webp') center/cover no-repeat}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.93) 48%,rgba(234,242,250,.74) 100%);
}
.hero-inner{position:relative;padding:60px 0 56px;max-width:840px}
.hero-title{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.2;letter-spacing:-.5px;
  margin-top:18px;max-width:760px;
}
.hero-sub{margin-top:16px;font-size:18px;font-weight:700;color:var(--brand-700)}
.hero-text{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:34px;padding:18px 22px;border-radius:16px;
  background:rgba(255,255,255,.88);border:1px solid var(--line);backdrop-filter:blur(6px);
}
.stat-num{font-size:26px;font-weight:800;color:var(--brand);line-height:1.2}
.stat-num small{font-size:13px;font-weight:700;color:var(--ink-3);margin-left:2px}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:2px}

/* ============ Sections ============ */
.section{padding:88px 0;border-top:1px solid var(--line);background:var(--surface)}
.section-alt{background:var(--bg)}
.section-deep{background:var(--surface-2)}
.section-head{max-width:780px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--brand-50);color:var(--brand-700);letter-spacing:.4px;
}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;margin-top:14px}
.section-desc{margin-top:12px;font-size:16px;color:var(--ink-2);line-height:1.85}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:38px}
.section-head-row .section-head{margin-bottom:0}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--brand-700);
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.link-more:hover{gap:10px;color:var(--accent)}

/* ============ Cards ============ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#d4e3f2}

/* 三步上手 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step-card{padding:26px 24px;position:relative}
.step-idx{
  width:42px;height:42px;border-radius:50%;border:2px solid var(--brand);
  color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:16px;
  background:#fff;margin-bottom:16px;
}
.step-card h3{font-size:19px;font-weight:700}
.step-card p{margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.75}
.step-card::after{
  content:"";position:absolute;right:-12px;top:46px;width:24px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 12px);
}
.step-card:last-child::after{display:none}

/* 横滑轨 */
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;margin:0 -4px}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:#d7e3f0;border-radius:999px}
.rail::-webkit-scrollbar-track{background:transparent}
.rail > *{flex:0 0 300px;scroll-snap-align:start}
.scene-media{aspect-ratio:16/10;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;background:var(--brand-50)}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.scene-card:hover .scene-media img{transform:scale(1.05)}
.scene-body{padding:18px 20px 20px}
.scene-body h3{font-size:18.5px;font-weight:700}
.scene-body p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.scene-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;font-size:13px;color:var(--ink-3)}

/* 跑点推荐 */
.spot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.spot-card{overflow:hidden;display:flex;flex-direction:column}
.spot-media{aspect-ratio:4/3;overflow:hidden;background:var(--brand-50)}
.spot-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.spot-card:hover .spot-media img{transform:scale(1.05)}
.spot-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.spot-body h3{font-size:17px;font-weight:700}
.spot-body p{font-size:13.5px;line-height:1.7;color:var(--ink-2)}
.spot-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-3)}
.spot-score{font-weight:800;color:var(--accent)}

/* 分类入口 */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.entry-card{display:flex;gap:14px;padding:24px;align-items:flex-start}
.entry-icon{
  width:48px;height:48px;flex:0 0 auto;border-radius:14px;
  background:var(--brand-50);color:var(--brand-700);
  display:grid;place-items:center;font-size:20px;font-weight:800;
}
.entry-body h3{font-size:18px;font-weight:700;display:flex;align-items:center;gap:8px}
.entry-body p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.entry-arrow{
  margin-left:auto;align-self:center;color:var(--brand);font-size:18px;font-weight:800;
  transition:transform .25s var(--ease);
}
.entry-card:hover .entry-arrow{transform:translateX(4px);color:var(--accent)}

/* 专题分区 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{padding:24px}
.topic-card h3{font-size:19px;font-weight:700;display:flex;align-items:center;gap:8px}
.topic-card > p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.7}
.topic-list{margin-top:16px}
.topic-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2);
}
.topic-list li:last-child{border-bottom:0}
.topic-list li span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topic-list li em{font-style:normal;font-size:12.5px;color:var(--ink-3);flex:0 0 auto}

/* 评分榜 */
.rank-list{display:grid;gap:12px}
.rank-item{
  display:flex;align-items:center;gap:16px;padding:16px 20px;background:#fff;
  border:1px solid var(--line);border-radius:14px;transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.rank-item:hover{box-shadow:var(--shadow);transform:translateX(3px)}
.rank-num{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;background:var(--brand-50);
  color:var(--brand-700);font-weight:800;display:grid;place-items:center;font-size:14px;
}
.rank-item:nth-child(1) .rank-num{background:var(--accent-50);color:#c1522b}
.rank-main{flex:1;min-width:0}
.rank-main h3{font-size:16px;font-weight:700}
.rank-main p{font-size:13px;color:var(--ink-3);margin-top:2px}
.rank-bar{height:6px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin-top:8px;max-width:280px}
.rank-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand) 0%,var(--accent) 100%)}
.rank-val{font-weight:800;color:var(--brand);font-size:16px;flex:0 0 auto}

/* 优势数据 */
.adv{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.adv-points{display:grid;gap:14px;margin-top:24px}
.adv-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.adv-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:8px;background:var(--brand-50);
  color:var(--brand-700);display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:4px;
}
.stat-blocks{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
}
.stat-block{background:#fff;padding:26px 22px}
.stat-block .num{font-size:38px;font-weight:800;color:var(--brand);line-height:1.1}
.stat-block .num small{font-size:14px;font-weight:700;color:var(--ink-3);margin-left:4px}
.stat-block .label{font-size:13px;color:var(--ink-3);margin-top:6px}

/* 安全保障 */
.safety{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.check-list{margin-top:22px;display:grid;gap:6px}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;font-size:15px;color:var(--ink-2)}
.check-dot{
  width:22px;height:22px;flex:0 0 auto;border-radius:50%;background:var(--brand-50);
  color:var(--brand-700);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:5px;
}
.info-card{background:var(--brand-50);border:1px solid #d6e5f4;border-radius:var(--radius);padding:28px}
.info-card h3{font-size:18px;font-weight:700;color:var(--brand-700)}
.info-card ul{margin-top:16px;display:grid;gap:10px}
.info-card li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:#fff;border-radius:12px;padding:12px 16px;font-size:14px;color:var(--ink-2);
}
.info-card li b{font-weight:700;color:var(--ink)}

/* 社区话题 */
.topic-cloud{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cloud-card{padding:24px;position:relative;overflow:hidden}
.cloud-card h3{font-size:18px;font-weight:700}
.cloud-card p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.cloud-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;font-size:13px;color:var(--ink-3)}

/* CMS 资讯 */
.news-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.news-feature{overflow:hidden;display:block}
.news-feature-media{aspect-ratio:16/9;overflow:hidden;background:var(--brand-50)}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.news-feature:hover .news-feature-media img{transform:scale(1.04)}
.news-feature-body{padding:24px 26px 26px}
.news-feature-body h3{font-size:22px;font-weight:700;line-height:1.4;margin-top:12px}
.news-feature-body p{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--ink-2)}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.news-side{display:grid;gap:12px}
.news-row{
  display:flex;flex-direction:column;gap:6px;padding:16px 18px;background:#fff;
  border:1px solid var(--line);border-radius:14px;
  transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.news-row:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#d4e3f2}
.news-row h4{font-size:15.5px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row .news-meta{margin-top:2px}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);color:var(--ink-3);
  font-size:14px;text-align:center;padding:32px;
}
.empty-icon{
  width:52px;height:52px;border-radius:50%;border:1.5px solid var(--line);
  display:grid;place-items:center;color:var(--brand);font-size:20px;
}

/* 评价 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{padding:26px 24px;display:flex;flex-direction:column;gap:14px}
.quote{font-size:30px;line-height:1;color:var(--accent);font-weight:800}
.review-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line)}
.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);
  display:grid;place-items:center;font-weight:800;font-size:15px;flex:0 0 auto;
}
.review-user b{display:block;font-size:14.5px;font-weight:700}
.review-user span{font-size:12.5px;color:var(--ink-3)}

/* Logo 墙 */
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.logo-item{
  height:84px;background:#fff;border:1px solid var(--line);border-radius:14px;
  display:grid;place-items:center;font-size:13.5px;font-weight:700;color:var(--ink-3);
  text-align:center;padding:0 10px;transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.logo-item:hover{border-color:var(--brand);color:var(--brand-700);transform:translateY(-2px)}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.faq-item[open]{border-color:#cfe1f3;box-shadow:var(--shadow);border-left:3px solid var(--accent)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:700;color:var(--brand);flex:0 0 auto;line-height:1;transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{content:"−";color:var(--accent)}
.faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* 保障条 */
.guard-bar{
  background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:18px 0;
}
.guard-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-2)}
.guard-icon{
  width:30px;height:30px;border-radius:50%;background:#fff;border:1px solid var(--line);
  color:var(--brand);display:grid;place-items:center;font-size:14px;flex:0 0 auto;
}
.guard-items{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.guard-items span{padding:0 16px;position:relative;white-space:nowrap}
.guard-items span + span::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:14px;background:var(--line)}

/* CTA 表单 */
.cta{background:var(--brand-700);color:#fff;position:relative;overflow:hidden}
.cta::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:rgba(255,255,255,.06);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:76px 0;align-items:start}
.cta h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3;color:#fff}
.cta p.lead{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.82)}
.cta-points{margin-top:22px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.9)}
.cta-points i{
  width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.16);
  display:grid;place-items:center;font-size:12px;font-style:normal;flex:0 0 auto;margin-top:4px;
}
.form-card{background:#fff;border-radius:16px;padding:28px;box-shadow:0 20px 50px rgba(9,32,56,.28)}
.form-card h3{font-size:19px;font-weight:700;color:var(--ink)}
.form-card > p{margin-top:6px;font-size:13.5px;color:var(--ink-3)}
.form-grid{margin-top:18px;display:grid;gap:14px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:14.5px;color:var(--ink);font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-50);
}
.form-tip{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.7}
.form-actions{margin-top:18px}

/* Footer */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-2);max-width:340px}
.footer-col h4{font-size:14.5px;font-weight:700;margin-bottom:14px;color:var(--ink)}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-700)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12.5px;padding:4px 11px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--ink-2);
}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom a{color:var(--ink-3)}
.footer-bottom a:hover{color:var(--brand-700)}

/* 响应式 */
@media (max-width:1279px){
  .logo-name{max-width:240px}
}
@media (max-width:1023px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:flex}
  .site-header.is-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:0;right:0;top:68px;background:#fff;
    border-bottom:1px solid var(--line);padding:12px 20px 18px;
    box-shadow:0 16px 32px rgba(16,40,70,.1);
  }
  .site-header.is-open .nav-links a{padding:12px 14px;border-radius:12px;font-size:15.5px}
  .site-header.is-open .nav-actions{
    display:flex;flex-direction:column;gap:10px;
    position:absolute;left:0;right:0;top:calc(68px + 214px);background:#fff;
    padding:0 20px 20px;border-bottom:1px solid var(--line);z-index:5;
  }
  .site-header.is-open .nav-actions .btn{width:100%;height:46px}
  .adv,.safety,.faq-wrap,.news-grid,.cta-inner{grid-template-columns:1fr;gap:32px}
  .spot-grid{grid-template-columns:repeat(2,1fr)}
  .entry-grid,.topic-grid,.topic-cloud,.review-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .logo-wall{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
  .step-card::after{display:none}
  .cta-inner{padding:60px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero-inner{padding:40px 0 42px}
  .hero-stats{grid-template-columns:repeat(2,1fr);padding:16px}
  .hero-actions .btn{width:100%}
  .section{padding:48px 0}
  .section-title{font-size:24px}
  .spot-grid,.entry-grid,.topic-grid,.topic-cloud,.review-grid,.steps,.logo-wall,.stat-blocks{grid-template-columns:1fr}
  .rail > *{flex:0 0 82%}
  .footer-grid{grid-template-columns:1fr}
  .guard-inner{gap:10px}
  .guard-items{overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}
  .guard-items span{padding:0 12px;font-size:13px}
  .news-feature-body{padding:20px}
  .news-feature-body h3{font-size:19px}
  .form-card{padding:22px}
  .rank-bar{max-width:none}
  .logo-name{max-width:180px;font-size:13px}
  .footer-bottom{justify-content:flex-start}
}

/* roulang page: article */
:root{
  --brand:#2C6FB5;
  --brand-700:#1E5288;
  --brand-50:#EAF2FA;
  --accent:#F2764B;
  --accent-50:#FDEEE8;
  --ink:#10202F;
  --ink-2:#4A5C6E;
  --ink-3:#8395A7;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --surface-2:#F1F5FA;
  --line:#E3EBF3;
  --ok:#2F9E6E;
  --warn:#E0A526;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(16,40,70,.07);
  --shadow-hover:0 16px 40px rgba(16,40,70,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(16,40,70,.08)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;min-width:0}
.logo-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:13px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-700) 100%);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(44,111,181,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.logo-name{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:1.2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;
  color:var(--ink-2);transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-links a.active{background:var(--brand-50);color:var(--brand-700);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.is-open .nav-toggle span{background:transparent}
.site-header.is-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.site-header.is-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ============ Buttons / Badges ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(44,111,181,.24)}
.btn-primary:hover{background:var(--brand-700);box-shadow:0 12px 28px rgba(30,82,136,.3);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,118,75,.28)}
.btn-accent:hover{background:#e2653a;box-shadow:0 12px 28px rgba(226,101,58,.32);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--brand-50);color:var(--brand-700);
}
.badge-accent{background:var(--accent-50);color:#c1522b}

/* ============ Sections ============ */
.section{padding:76px 0;border-top:1px solid var(--line);background:var(--surface)}
.section-alt{background:var(--bg)}
.section-head{max-width:780px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--brand-50);color:var(--brand-700);letter-spacing:.4px;
}
.section-title{font-size:clamp(23px,2.8vw,31px);font-weight:700;line-height:1.32;margin-top:14px}
.section-desc{margin-top:12px;font-size:15.5px;color:var(--ink-2);line-height:1.85}

/* ============ Page head / crumbs ============ */
.page-head{
  padding:30px 0 46px;
  background:linear-gradient(180deg,var(--brand-50) 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumbs a{color:var(--ink-2);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{color:var(--ink-3);opacity:.6}
.crumbs .current{color:var(--brand-700);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(25px,3.4vw,40px);
  font-weight:800;line-height:1.28;letter-spacing:-.5px;
  margin-top:16px;max-width:920px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  margin-top:18px;font-size:13.5px;color:var(--ink-3);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.meta-row .badge{font-size:12px}
.hero-figure{
  margin-top:28px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  aspect-ratio:16/9;background:var(--brand-50);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}

/* ============ Article layout ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;
}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 40px 30px;box-shadow:var(--shadow);
}
.article-body{font-size:17px;line-height:1.95;color:var(--ink-2);word-break:break-word}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:26px;font-weight:700;line-height:1.36;color:var(--ink);
  margin:34px 0 16px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:21px;font-weight:600;color:var(--ink);margin:26px 0 12px}
.article-body h4{font-size:18px;font-weight:600;color:var(--ink);margin:22px 0 10px}
.article-body ul{list-style:disc;margin:0 0 18px;padding-left:24px}
.article-body ol{list-style:decimal;margin:0 0 18px;padding-left:24px}
.article-body li{margin-bottom:8px;line-height:1.9}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--brand-50);
  border-left:3px solid var(--accent);border-radius:10px;
  color:var(--ink-2);font-size:15px;line-height:1.9;
}
.article-body figure{margin:24px 0}
.article-body img{border-radius:12px;margin:22px auto;height:auto}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:22px 0;border-radius:12px;overflow:hidden}
.article-body thead th{background:var(--brand-50);color:var(--brand-700);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:var(--surface-2)}
.article-body code{
  background:var(--surface-2);padding:2px 8px;border-radius:6px;font-size:14px;
  font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--brand-700);
}
.article-body a{color:var(--brand-700);border-bottom:1px solid rgba(44,111,181,.32)}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body strong{color:var(--ink);font-weight:700}

/* empty state */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:260px;padding:40px 24px;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.empty-icon{
  width:56px;height:56px;border-radius:16px;border:1px dashed var(--brand);
  color:var(--brand);display:grid;place-items:center;font-size:22px;background:var(--brand-50);
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink)}
.empty-state p{font-size:14.5px;color:var(--ink-3);max-width:420px}

/* article foot */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
}
.article-author{display:flex;align-items:center;gap:12px}
.author-avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-700) 100%);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;
}
.author-name{font-size:14.5px;font-weight:700;color:var(--ink)}
.author-note{font-size:12.5px;color:var(--ink-3)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--accent-50);color:#c1522b;
}

/* sidebar */
.article-side{position:sticky;top:88px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.side-card + .side-card{margin-top:20px}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px;
}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{padding:11px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list li:first-child{padding-top:0}
.side-list a{display:flex;gap:10px;font-size:14.5px;line-height:1.6;color:var(--ink-2);transition:color .2s var(--ease)}
.side-list a:hover{color:var(--brand-700)}
.side-num{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;margin-top:2px;
  background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-tags span:hover{background:var(--brand-50);color:var(--brand-700)}
.side-note{background:var(--brand-50);border:1px solid #D6E5F6;border-radius:var(--radius);padding:22px}
.side-note h3{font-size:15.5px;font-weight:700;color:var(--brand-700);margin-bottom:10px}
.side-note p{font-size:13.5px;line-height:1.85;color:var(--ink-2)}
.side-note .note-line{display:flex;gap:8px;font-size:13.5px;color:var(--ink-2);margin-top:8px}
.side-note .note-line::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:8px}

/* related */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFE0F2}
.related-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px}
.related-body h3{font-size:16.5px;font-weight:700;line-height:1.55;color:var(--ink)}
.related-card:hover .related-body h3{color:var(--brand-700)}
.related-meta{font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:8px}

/* post nav */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.post-nav a{
  display:flex;align-items:center;gap:14px;padding:20px 22px;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFE0F2}
.post-nav .arrow{
  width:36px;height:36px;flex:0 0 auto;border-radius:50%;
  background:var(--brand-50);color:var(--brand-700);display:grid;place-items:center;font-size:15px;
}
.post-nav .pn-label{font-size:12.5px;color:var(--ink-3);letter-spacing:.5px}
.post-nav .pn-title{
  font-size:15px;font-weight:700;color:var(--ink);line-height:1.5;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;
}
.post-nav a:hover .pn-title{color:var(--brand-700)}
.post-nav .next{justify-content:flex-end;text-align:right}

/* cta band */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:32px 36px;border-radius:20px;background:var(--brand-700);color:#fff;
  box-shadow:0 14px 34px rgba(30,82,136,.22);
}
.cta-band h2{font-size:clamp(19px,2.2vw,24px);font-weight:700;line-height:1.4}
.cta-band p{font-size:14px;color:rgba(255,255,255,.82);margin-top:8px;max-width:560px;line-height:1.8}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14)}

/* info cards */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.info-icon{
  width:42px;height:42px;border-radius:13px;background:var(--brand-50);color:var(--brand-700);
  display:grid;place-items:center;font-size:18px;font-weight:800;margin-bottom:14px;
}
.info-card h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px}
.info-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}

/* ============ Footer ============ */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-2);margin-top:16px;max-width:360px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-700)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12.5px;padding:5px 11px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:18px 0 22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ============ Responsive ============ */
@media (max-width:1023px){
  .logo-name{max-width:200px}
  .nav-bar{flex-wrap:wrap;height:auto;min-height:68px;padding:11px 0;row-gap:0}
  .logo{flex:1 1 auto}
  .nav-toggle{display:flex;order:2}
  .nav-links,.nav-actions{display:none}
  .site-header.is-open .nav-links{
    display:flex;order:3;flex:0 0 100%;flex-direction:column;align-items:stretch;gap:2px;
    padding-top:10px;margin-top:9px;border-top:1px solid var(--line);
  }
  .site-header.is-open .nav-links a{padding:12px 14px;border-radius:12px;font-size:15px}
  .site-header.is-open .nav-actions{
    display:flex;order:4;flex:0 0 100%;flex-direction:column;gap:10px;padding:10px 0 4px;
  }
  .site-header.is-open .nav-actions .btn{width:100%;height:46px}
  .section{padding:64px 0}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-side{position:static}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .page-head{padding:22px 0 34px}
  .article-card{padding:24px 18px 22px}
  .article-body{font-size:16.5px;line-height:1.9}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:19px}
  .hero-figure{border-radius:14px}
  .related-grid,.post-nav,.info-grid{grid-template-columns:1fr}
  .post-nav .next{justify-content:flex-start;text-align:left}
  .cta-band{padding:24px 20px;border-radius:16px}
  .cta-band .cta-actions{width:100%}
  .cta-band .btn{width:100%}
  .article-foot{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px}
  .footer-bottom{font-size:12.5px;line-height:1.7}
}

/* roulang page: category1 */
:root{
  --brand:#2C6FB5;
  --brand-700:#1E5288;
  --brand-50:#EAF2FA;
  --accent:#F2764B;
  --accent-50:#FDEEE8;
  --ink:#10202F;
  --ink-2:#4A5C6E;
  --ink-3:#8395A7;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --surface-2:#F1F5FA;
  --line:#E3EBF3;
  --ok:#2F9E6E;
  --warn:#E0A526;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(16,40,70,.07);
  --shadow-hover:0 16px 40px rgba(16,40,70,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
p{margin:0}
button{font-family:inherit}
h1,h2,h3,h4{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(16,40,70,.08)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;min-width:0}
.logo-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:13px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-700) 100%);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(44,111,181,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.logo-name{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:1.2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;
  color:var(--ink-2);transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-links a.active{background:var(--brand-50);color:var(--brand-700);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.is-open .nav-toggle span{background:transparent}
.site-header.is-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.site-header.is-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ============ Buttons / Badges ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(44,111,181,.24)}
.btn-primary:hover{background:var(--brand-700);box-shadow:0 12px 28px rgba(30,82,136,.3);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,118,75,.28)}
.btn-accent:hover{background:#e2653a;box-shadow:0 12px 28px rgba(226,101,58,.32);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50)}
.btn-light{background:#fff;color:var(--brand-700);box-shadow:0 10px 24px rgba(6,26,48,.18)}
.btn-light:hover{background:var(--brand-50)}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--brand-50);color:var(--brand-700);
}
.badge-accent{background:var(--accent-50);color:#c1522b}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.chip-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ============ Sections ============ */
.section{padding:72px 0;border-top:1px solid var(--line);background:var(--surface)}
.section-alt{background:var(--bg)}
.section-deep{background:var(--surface-2)}
.section-tight{padding:34px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--brand-50);color:var(--brand-700);letter-spacing:.4px;
}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;margin-top:12px}
.section-desc{margin-top:10px;font-size:15.5px;color:var(--ink-2);line-height:1.85}

/* ============ Breadcrumbs ============ */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding-top:18px;flex-wrap:wrap}
.crumbs a{color:var(--ink-3);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#c3cfdc}
.crumbs .current{color:var(--brand-700);font-weight:600}

/* ============ Category Hero ============ */
.cat-hero{
  background:linear-gradient(180deg,var(--brand-50) 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
  padding-bottom:34px;
}
.cat-hero-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:36px;align-items:end;margin-top:20px}
.cat-hero h1{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.25;letter-spacing:-.5px;margin-top:14px;
}
.cat-hero p{margin-top:12px;font-size:15.5px;color:var(--ink-2);line-height:1.85;max-width:600px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.cat-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 14px 12px;box-shadow:var(--shadow);
}
.stat-num{font-size:25px;font-weight:800;color:var(--brand);line-height:1.1}
.stat-num small{font-size:12px;font-weight:700;color:var(--ink-3);margin-left:2px}
.stat-label{font-size:12.5px;color:var(--ink-3);margin-top:6px;line-height:1.5}

/* ============ Filter bar ============ */
.filter-bar{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;box-shadow:var(--shadow);
}
.filter-label{font-size:13.5px;font-weight:700;color:var(--ink-2)}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
.filter-tab{
  height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.filter-tab:hover{border-color:var(--brand);color:var(--brand-700)}
.filter-tab:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.filter-tab.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(44,111,181,.24)}
.filter-meta{margin-left:auto;font-size:13px;color:var(--ink-3)}

/* ============ Post grid ============ */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#cfe0f2}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-3);flex-wrap:wrap}
.post-title{
  font-size:19px;font-weight:700;line-height:1.45;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.post-card:hover .post-title{color:var(--brand)}
.post-ex{
  margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-arrow{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13.5px;font-weight:700;color:var(--brand-700);
  transition:transform .25s var(--ease);
}
.post-card:hover .post-arrow{transform:translateX(4px)}
.list-more{display:flex;justify-content:flex-end;margin-top:26px}
.more-link{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;
  border-radius:999px;border:1px solid var(--brand);background:#fff;
  color:var(--brand-700);font-size:14px;font-weight:700;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.more-link:hover{background:var(--brand-50);transform:translateX(2px)}
.empty-state{
  grid-column:1 / -1;min-height:220px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  color:var(--ink-3);font-size:14px;padding:32px;
}
.empty-state .dot{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand)}

/* ============ Spots ============ */
.spot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.spot-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:20px;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.spot-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#cfe0f2}
.spot-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.spot-name{font-size:16.5px;font-weight:700}
.spot-rows{display:flex;gap:18px;margin-top:14px;flex-wrap:wrap}
.spot-row{display:flex;flex-direction:column;gap:2px}
.spot-row b{font-size:15px;font-weight:700;color:var(--brand-700)}
.spot-row span{font-size:12px;color:var(--ink-3)}
.spot-note{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-2);line-height:1.7}

/* ============ Safety ============ */
.two-col{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.check-list{display:grid;gap:14px;margin-top:8px}
.check-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow);
}
.check-dot{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  background:var(--brand-50);color:var(--brand-700);
  display:grid;place-items:center;font-size:13px;font-weight:800;
}
.check-item h3{font-size:15.5px;font-weight:700;line-height:1.5}
.check-item p{margin-top:4px;font-size:13.5px;color:var(--ink-2);line-height:1.7}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:14px;overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.is-open{border-left-color:var(--accent);box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;min-height:52px;
}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.faq-sign{font-size:20px;font-weight:400;color:var(--brand);line-height:1;flex:0 0 auto}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease),padding .3s var(--ease)}
.faq-item.is-open .faq-a{max-height:340px;padding:0 20px 18px}
.faq-a p{font-size:14.5px;line-height:1.9;color:var(--ink-2)}

/* ============ Mini list ============ */
.mini-list{display:grid;gap:0}
.mini-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line);align-items:center;transition:transform .2s var(--ease)}
.mini-item:first-child{padding-top:0}
.mini-item:last-child{border-bottom:0;padding-bottom:0}
.mini-item:hover{transform:translateX(3px)}
.mini-thumb{width:92px;height:66px;flex:0 0 auto;border-radius:10px;overflow:hidden;background:var(--brand-50)}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-body{min-width:0}
.mini-title{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s var(--ease)}
.mini-item:hover .mini-title{color:var(--brand)}
.mini-time{font-size:12.5px;color:var(--ink-3);margin-top:4px}

/* ============ CTA band ============ */
.cta-band{
  background:linear-gradient(135deg,var(--brand-700) 0%,var(--brand) 100%);
  border-radius:22px;padding:40px;color:#fff;
  display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;
  box-shadow:0 20px 44px rgba(30,82,136,.24);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35;color:#fff}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.86);line-height:1.85;max-width:520px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.cta-points span{
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.16);color:#fff;
}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}

/* ============ Footer ============ */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:56px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.85;color:var(--ink-2);max-width:360px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  padding:4px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:12.5px;color:var(--ink-2);
}
.footer-bottom{
  border-top:1px solid var(--line);margin-top:40px;padding:18px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:var(--ink-3);
}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .cat-hero h1{font-size:clamp(24px,3vw,34px)}
}
@media (max-width:1023px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:flex}
  .site-header.is-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;top:68px;left:0;right:0;background:#fff;
    padding:14px 24px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(16,40,70,.08);
  }
  .site-header.is-open .nav-links a{padding:12px 14px}
  .site-header.is-open .nav-actions{
    display:flex;flex-direction:column;gap:10px;align-items:stretch;
    position:absolute;top:calc(68px + 196px);left:0;right:0;background:#fff;
    padding:0 24px 18px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(16,40,70,.08);
  }
  .site-header.is-open .nav-actions .btn{width:100%;height:46px}
  .cat-hero-grid{grid-template-columns:1fr;gap:26px;align-items:start}
  .cat-hero{padding-bottom:30px}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .spot-grid{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr;gap:26px}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-tight{padding:26px 0}
  .logo-name{max-width:170px;font-size:12.5px}
  .logo-sub{font-size:10px;letter-spacing:.6px}
  .cat-stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .stat-num{font-size:20px}
  .stat-label{font-size:11.5px}
  .post-grid{grid-template-columns:1fr}
  .spot-grid{grid-template-columns:1fr}
  .filter-meta{margin-left:0}
  .list-more{justify-content:stretch}
  .more-link{width:100%;justify-content:center}
  .cta-band{padding:26px 22px;border-radius:18px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .mini-thumb{width:76px;height:58px}
}
@media (max-width:520px){
  .cat-stats{grid-template-columns:1fr;gap:10px}
  .stat-card{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .stat-label{margin-top:0}
  .hero-chips{gap:8px}
  .chip{font-size:12.5px;padding:5px 12px}
}

/* roulang page: category2 */
:root{
  --brand:#2C6FB5;
  --brand-700:#1E5288;
  --brand-50:#EAF2FA;
  --accent:#F2764B;
  --accent-50:#FDEEE8;
  --ink:#10202F;
  --ink-2:#4A5C6E;
  --ink-3:#8395A7;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --surface-2:#F1F5FA;
  --line:#E3EBF3;
  --ok:#2F9E6E;
  --warn:#E0A526;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(16,40,70,.07);
  --shadow-hover:0 16px 40px rgba(16,40,70,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(16,40,70,.08)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;min-width:0}
.logo-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:13px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-700) 100%);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(44,111,181,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.logo-name{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:1.2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;
  color:var(--ink-2);transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-links a.active{background:var(--brand-50);color:var(--brand-700);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.is-open .nav-toggle span{background:transparent}
.site-header.is-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.site-header.is-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ============ Buttons / Badges ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(44,111,181,.24)}
.btn-primary:hover{background:var(--brand-700);box-shadow:0 12px 28px rgba(30,82,136,.3);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,118,75,.28)}
.btn-accent:hover{background:#e2653a;box-shadow:0 12px 28px rgba(226,101,58,.32);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50)}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--brand-50);color:var(--brand-700);
}
.badge-accent{background:var(--accent-50);color:#c1522b}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
}

/* ============ Breadcrumb ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:20px 0 0;font-size:13px;color:var(--ink-3)}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:var(--ink-3);opacity:.7}
.breadcrumb .current{color:var(--brand-700);font-weight:700}

/* ============ Page head ============ */
.page-head{
  background:linear-gradient(180deg,var(--brand-50) 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
  padding:24px 0 46px;
}
.page-head-inner{display:grid;grid-template-columns:1.55fr .95fr;gap:36px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:#fff;color:var(--brand-700);letter-spacing:.4px;border:1px solid rgba(44,111,181,.18);
}
.page-h1{
  font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.28;
  letter-spacing:-.4px;margin-top:14px;
}
.page-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:640px}
.head-stats{display:grid;gap:12px}
.head-stat{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;
  box-shadow:var(--shadow);display:flex;align-items:baseline;gap:12px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.head-stat:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.head-stat strong{font-size:26px;line-height:1;font-weight:800;color:var(--brand-700)}
.head-stat span{font-size:13px;color:var(--ink-3)}

/* ============ Sections ============ */
.section{padding:84px 0;border-top:1px solid var(--line);background:var(--surface)}
.section-alt{background:var(--bg)}
.section-deep{background:var(--surface-2)}
.section-head{max-width:780px;margin-bottom:36px}
.section-title{font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.32;margin-top:14px;letter-spacing:-.3px}
.section-desc{margin-top:12px;font-size:16px;line-height:1.85;color:var(--ink-2)}

/* ============ Topic cards ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#cfe0f2}
.topic-icon{
  width:48px;height:48px;border-radius:14px;background:var(--brand-50);
  color:var(--brand-700);display:grid;place-items:center;font-weight:800;font-size:16px;
}
.topic-card h3{margin-top:16px;font-size:20px;font-weight:700;line-height:1.4}
.topic-card p{margin-top:10px;font-size:15px;line-height:1.78;color:var(--ink-2)}
.topic-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px}
.topic-count{font-size:13px;color:var(--ink-3)}

/* ============ Post list ============ */
.post-list{display:grid;gap:14px}
.post-row{
  display:grid;grid-template-columns:132px 1fr 28px;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.post-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#cfe0f2}
.post-row:hover .post-title{color:var(--brand-700)}
.post-row:hover .post-arrow{transform:translateX(4px);color:var(--accent)}
.post-thumb{
  width:132px;height:88px;border-radius:12px;overflow:hidden;
  background:linear-gradient(140deg,var(--brand-50) 0%,#dfeaf6 60%,#eef4fa 100%);
  position:relative;display:grid;place-items:center;color:var(--brand);font-size:12px;font-weight:700;letter-spacing:1px;
}
.post-thumb::after{
  content:"";position:absolute;width:34px;height:34px;border-radius:50%;
  border:2px dashed rgba(44,111,181,.35);
}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.post-time{font-size:12.5px;color:var(--ink-3)}
.post-title{
  display:block;font-size:17.5px;font-weight:700;line-height:1.55;color:var(--ink);
  transition:color .2s var(--ease);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-summary{
  margin-top:6px;font-size:14.5px;line-height:1.7;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-arrow{font-size:18px;color:var(--ink-3);transition:transform .25s var(--ease),color .25s var(--ease);justify-self:end}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:16px;min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  color:var(--ink-3);font-size:14px;text-align:center;padding:32px;
}
.empty-icon{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);position:relative}
.empty-icon::before{content:"";position:absolute;inset:12px;border-radius:50%;border:1px solid rgba(131,149,167,.55)}

/* ============ Rules ============ */
.rules-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.rule-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.rule-item:last-child{border-bottom:0}
.rule-num{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--brand);color:var(--brand-700);
  display:grid;place-items:center;font-size:13px;font-weight:700;background:#fff;
}
.rule-item h3{font-size:16.5px;font-weight:700;line-height:1.6}
.rule-item p{margin-top:4px;font-size:14.5px;line-height:1.75;color:var(--ink-2)}
.rules-note{
  margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;font-size:14px;line-height:1.8;color:var(--ink-2);border-left:3px solid var(--accent);
}

/* ============ Runner board ============ */
.runner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.runner{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 16px;text-align:center;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.runner:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#cfe0f2}
.runner-avatar{
  width:64px;height:64px;border-radius:50%;margin:0 auto 12px;
  display:grid;place-items:center;color:#fff;font-size:20px;font-weight:800;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-700) 100%);
  box-shadow:0 8px 18px rgba(44,111,181,.24);
}
.runner:nth-child(2n) .runner-avatar{background:linear-gradient(150deg,#4d8ecb 0%,#2C6FB5 100%)}
.runner:nth-child(3n) .runner-avatar{background:linear-gradient(150deg,var(--accent) 0%,#d8603a 100%);box-shadow:0 8px 18px rgba(242,118,75,.24)}
.runner-name{font-size:15.5px;font-weight:700}
.runner-city{font-size:13px;color:var(--ink-3);margin-top:2px}
.runner-tag{
  display:inline-block;margin-top:12px;padding:3px 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--accent-50);color:#c1522b;
}

/* ============ Clubs / tags ============ */
.club-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.club-figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:24px}
.club-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.club-item{
  display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:16px 18px;margin-bottom:12px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.club-item:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.club-mark{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--brand-50);
  color:var(--brand-700);display:grid;place-items:center;font-weight:800;font-size:14px;
}
.club-item h3{font-size:16px;font-weight:700}
.club-item p{font-size:13.5px;color:var(--ink-3);margin-top:2px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{
  padding:8px 15px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);transition:all .22s var(--ease);cursor:default;
}
.tag:hover{border-color:var(--brand);color:var(--brand-700);background:var(--brand-50);transform:translateY(-1px)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;
  overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item.is-open{box-shadow:inset 3px 0 0 var(--accent),var(--shadow);border-color:#d9e6f4}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;min-height:56px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-700)}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:15px;font-weight:700;color:var(--brand-700);line-height:1;
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--accent-50);border-color:var(--accent);color:var(--accent);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ============ CTA ============ */
.cta-band{background:var(--brand-700);color:#fff;border-top:1px solid var(--line);padding:78px 0}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.3px}
.cta-band p.lead{margin-top:14px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82)}
.cta-points{margin-top:24px;display:grid;gap:12px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(255,255,255,.9)}
.cta-points li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:6px;border-radius:50%;
  border:1px solid rgba(255,255,255,.55);background:rgba(255,255,255,.12);
}
.form-card{background:#fff;border-radius:16px;padding:26px;box-shadow:0 26px 54px rgba(10,30,55,.28);color:var(--ink)}
.form-card h3{font-size:19px;font-weight:700}
.form-card .hint{margin-top:6px;font-size:13.5px;color:var(--ink-3)}
.field{margin-top:14px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;
  font-size:15px;color:var(--ink);font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input{height:48px;padding:0 14px}
.field textarea{min-height:92px;padding:12px 14px;line-height:1.72;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-50)}
.form-card .btn{margin-top:18px}
.form-tip{margin-top:12px;font-size:13px;color:var(--ok);display:none}
.form-tip.is-show{display:block}

/* ============ Footer ============ */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:62px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--ink-2);max-width:380px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.5px;margin-bottom:14px;color:var(--ink)}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-700)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12.5px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:4px 12px;transition:all .2s var(--ease);
}
.footer-tags span:hover{border-color:var(--brand);color:var(--brand-700)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-3);
}

/* ============ Responsive ============ */
@media (max-width:1279px){
  .page-h1{font-size:clamp(24px,3vw,34px)}
  .section{padding:72px 0}
}
@media (max-width:1023px){
  .nav-toggle{display:flex;order:2}
  .nav-bar{flex-wrap:wrap;height:auto;min-height:68px;padding:10px 0;align-items:center}
  .logo{order:1}
  .nav-links,.nav-actions{display:none;width:100%;order:3}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px;padding-top:8px;border-top:1px solid var(--line);margin-top:10px}
  .nav-links a{padding:12px 12px;border-radius:12px;font-size:15px}
  .nav-actions{flex-direction:column;align-items:stretch;gap:10px;width:100%;padding-top:12px}
  .nav-actions .btn{width:100%;height:46px}
  .site-header.is-open .nav-links,.site-header.is-open .nav-actions{display:flex}
  .page-head-inner{grid-template-columns:1fr;gap:26px}
  .head-stats{grid-template-columns:repeat(3,1fr)}
  .head-stat{flex-direction:column;gap:4px;align-items:flex-start;padding:14px}
  .head-stat strong{font-size:22px}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .rules-wrap,.club-wrap,.faq-wrap,.cta-grid{grid-template-columns:1fr;gap:32px}
  .runner-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .logo-name{max-width:180px;font-size:13px}
  .logo-sub{font-size:10px}
  .section{padding:48px 0}
  .page-head{padding:18px 0 34px}
  .head-stats{grid-template-columns:1fr;gap:10px}
  .head-stat{flex-direction:row;align-items:baseline;gap:12px}
  .topic-grid{grid-template-columns:1fr}
  .post-row{grid-template-columns:1fr;gap:14px;padding:14px}
  .post-thumb{width:100%;height:120px}
  .post-arrow{display:none}
  .runner-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .runner{padding:18px 12px}
  .runner-avatar{width:52px;height:52px;font-size:17px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .cta-band{padding:56px 0}
  .form-card{padding:20px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand:#2C6FB5;
  --brand-700:#1E5288;
  --brand-50:#EAF2FA;
  --accent:#F2764B;
  --accent-50:#FDEEE8;
  --ink:#10202F;
  --ink-2:#4A5C6E;
  --ink-3:#8395A7;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --surface-2:#F1F5FA;
  --line:#E3EBF3;
  --ok:#2F9E6E;
  --warn:#E0A526;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(16,40,70,.07);
  --shadow-hover:0 16px 40px rgba(16,40,70,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(16,40,70,.08)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;min-width:0;flex:0 1 auto}
.logo-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:13px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-700) 100%);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(44,111,181,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.logo-name{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:1.2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;
  color:var(--ink-2);transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-links a.active{background:var(--brand-50);color:var(--brand-700);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--brand-50);border-color:var(--brand)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.25s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.25s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.is-open .nav-toggle span{background:transparent}
.site-header.is-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.site-header.is-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}
/* ============ Buttons / Badges ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(44,111,181,.24)}
.btn-primary:hover{background:var(--brand-700);box-shadow:0 12px 28px rgba(30,82,136,.3);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,118,75,.28)}
.btn-accent:hover{background:#e2653a;box-shadow:0 12px 28px rgba(226,101,58,.32);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50)}
.btn-block{width:100%}
.btn:disabled{opacity:.5;box-shadow:none;cursor:not-allowed;transform:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--brand-50);color:var(--brand-700);
}
.badge-accent{background:var(--accent-50);color:#c1522b}
.badge-ok{background:#E8F6EF;color:#237a55}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.chip-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
/* ============ Category Head ============ */
.cat-head{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--brand-50) 0%,#F4F8FC 62%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.cat-head-bg{
  position:absolute;inset:0;
  background:url('/assets/images/b272b2cc5edc0388.webp') right 20% / cover no-repeat;
  opacity:.13;
}
.cat-head-inner{
  position:relative;display:grid;grid-template-columns:1.6fr 1fr;gap:36px;align-items:center;
  padding-top:30px;padding-bottom:38px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:14px}
.breadcrumb a{color:var(--ink-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--brand-700);font-weight:700}
.cat-title{
  font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.22;letter-spacing:-.5px;margin-top:14px;
}
.cat-desc{margin-top:12px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:640px}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.cat-stats{display:grid;gap:12px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 20px;box-shadow:var(--shadow);
  display:flex;align-items:baseline;gap:10px;
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.stat-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.stat-num{font-size:30px;font-weight:800;color:var(--brand-700);line-height:1;letter-spacing:-1px}
.stat-label{font-size:13px;color:var(--ink-3)}
/* ============ Sections ============ */
.section{padding:88px 0;border-top:1px solid var(--line);background:var(--surface)}
.section-alt{background:var(--bg)}
.section-deep{background:var(--surface-2)}
.section-head{max-width:820px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--brand-50);color:var(--brand-700);letter-spacing:.4px;
}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;margin-top:14px}
.section-desc{margin-top:12px;font-size:16px;color:var(--ink-2);line-height:1.85}
/* ============ Route Cards ============ */
.route-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.route-card{
  grid-column:span 3;
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.route-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#cfe0ef}
.route-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50)}
.route-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.route-card:hover .thumb img{transform:scale(1.04)}
.route-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.route-card h3{font-size:19px;font-weight:700;line-height:1.42}
.route-card p{font-size:14px;line-height:1.72;color:var(--ink-2)}
.route-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.route-card-wide{
  grid-column:span 12;
  display:grid;grid-template-columns:1.05fr 1fr;
}
.route-card-wide .thumb{aspect-ratio:auto;height:100%;min-height:280px}
.route-card-wide .body{padding:30px 34px;gap:14px;justify-content:center}
.route-card-wide h3{font-size:24px}
.route-card-wide p{font-size:15px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
/* ============ Gear ============ */
.gear-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
}
.gear-col{padding:28px 26px}
.gear-col + .gear-col{border-left:1px solid var(--line)}
.gear-col h3{font-size:19px;font-weight:700;display:flex;align-items:center;gap:10px}
.gear-col h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.gear-list{margin-top:16px;display:grid;gap:12px}
.gear-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;line-height:1.7;color:var(--ink-2);
}
.gear-list .tick{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  background:var(--brand-50);color:var(--brand-700);
  display:grid;place-items:center;font-size:11px;font-weight:800;margin-top:3px;
}
/* ============ Pace Tool ============ */
.pace-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:34px;
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:36px;align-items:center;
}
.pace-visual{
  background:var(--brand-50);border-radius:var(--radius-sm);padding:24px;
  border:1px solid #d8e7f5;
}
.pace-visual .ring{
  width:118px;height:118px;border-radius:50%;
  background:conic-gradient(var(--brand) 0% 62%, #ffffff 62% 100%);
  display:grid;place-items:center;margin:0 auto 16px;
  box-shadow:inset 0 0 0 10px #fff;
}
.pace-visual .ring span{font-size:20px;font-weight:800;color:var(--brand-700)}
.pace-bars{display:grid;gap:16px}
.pace-bar-row .top{display:flex;justify-content:space-between;font-size:14px;font-weight:600;margin-bottom:8px}
.pace-bar-row .top em{font-style:normal;color:var(--ink-3);font-weight:600;font-size:13px}
.bar{height:10px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:var(--brand)}
.bar i.warm{background:var(--accent)}
.bar i.ok{background:var(--ok)}
/* ============ Season ============ */
.season-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.season-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.season-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.season-card .ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--accent-50);color:var(--accent);margin-bottom:16px;
}
.season-card h3{font-size:20px;font-weight:700}
.season-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.season-card ul{margin-top:14px;display:grid;gap:8px}
.season-card li{font-size:14px;color:var(--ink-2);padding-left:16px;position:relative}
.season-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
/* ============ Post List ============ */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);min-height:200px;
  transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.post-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#cfe0ef}
.post-card h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card p{font-size:14px;line-height:1.72;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:10px;font-size:13px;color:var(--ink-3)}
.post-foot .arrow{color:var(--brand);font-weight:700;transition:transform .25s var(--ease)}
.post-card:hover .post-foot .arrow{transform:translateX(4px)}
.empty-state{
  min-height:220px;display:grid;place-items:center;text-align:center;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
  padding:36px 24px;grid-column:1/-1;
}
.empty-state .icon{
  width:54px;height:54px;border-radius:16px;border:1px solid var(--line);
  display:grid;place-items:center;margin:0 auto 14px;color:var(--ink-3);
}
.empty-state p{font-size:14px;color:var(--ink-3)}
/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:0.8fr 1.2fr;gap:40px;align-items:start}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.is-open{border-color:#cfe0ef;box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);text-align:left;line-height:1.6;
  min-height:56px;
}
.faq-q:hover{color:var(--brand-700)}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.faq-q .sign{flex:0 0 auto;font-size:20px;font-weight:400;color:var(--brand);line-height:1}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a .inner{
  padding:0 22px 20px 25px;font-size:15px;line-height:1.9;color:var(--ink-2);
  border-left:3px solid var(--accent);margin-left:22px;
}
.faq-item.is-open .faq-a{max-height:420px}
/* ============ CTA ============ */
.cta-band{
  background:var(--brand-700);color:#fff;border-top:1px solid var(--brand-700);
  padding:72px 0;
}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;line-height:1.32}
.cta-band p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.82)}
.cta-points{margin-top:20px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.88)}
.cta-points li::before{content:"✓";color:#fff;font-weight:800}
.cta-form{
  background:#fff;color:var(--ink);border-radius:16px;padding:28px;
  box-shadow:0 20px 50px rgba(8,30,55,.28);
}
.cta-form h3{font-size:19px;font-weight:700;margin-bottom:6px}
.cta-form .hint{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:88px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-50);
}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:10px}
.form-actions{display:flex;justify-content:flex-end;margin-top:6px}
.form-actions .btn{min-width:200px}
/* ============ Footer ============ */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--ink-2);max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-700)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.footer-tags span:hover{border-color:var(--brand);color:var(--brand-700)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-3);
}
/* ============ Responsive ============ */
@media (max-width:1100px){
  .cat-head-inner{grid-template-columns:1fr;gap:24px}
  .cat-stats{grid-template-columns:repeat(3,1fr)}
  .route-card{grid-column:span 6}
  .route-card-wide{grid-template-columns:1fr;grid-column:span 12}
  .route-card-wide .thumb{min-height:220px;aspect-ratio:16/9}
  .pace-card{grid-template-columns:1fr;gap:26px}
  .post-list{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:980px){
  .nav-bar{flex-wrap:wrap;height:auto;padding:10px 0;row-gap:8px}
  .logo{flex:1 1 auto}
  .logo-name{max-width:200px;font-size:13px}
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:flex;order:2}
  .site-header.is-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    order:3;width:100%;border-top:1px solid var(--line);padding-top:10px;
  }
  .site-header.is-open .nav-links a{padding:12px 14px;border-radius:12px;font-size:15px}
  .site-header.is-open .nav-actions{
    display:flex;flex-direction:column;align-items:stretch;gap:10px;
    order:4;width:100%;padding:10px 0 6px;border-top:1px solid var(--line);margin-top:8px;
  }
  .site-header.is-open .nav-actions .btn{width:100%;height:44px}
}
@media (max-width:820px){
  .section{padding:64px 0}
  .cta-band{padding:56px 0}
  .gear-grid{grid-template-columns:1fr}
  .gear-col + .gear-col{border-left:0;border-top:1px solid var(--line)}
  .season-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .cat-head-inner{padding-top:22px;padding-bottom:30px}
  .cat-stats{grid-template-columns:1fr;gap:10px}
  .stat-card{padding:14px 18px}
  .route-grid{gap:16px}
  .route-card{grid-column:span 12}
  .route-card-wide .body{padding:22px}
  .route-card-wide h3{font-size:21px}
  .post-list{grid-template-columns:1fr}
  .pace-card{padding:22px}
  .season-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-form{padding:22px}
  .form-actions .btn{width:100%}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a .inner{padding-right:18px;font-size:14.5px}
}