/* roulang page: index */
:root{
  --c-primary:#E2562F;
  --c-primary-deep:#B93E1E;
  --c-accent:#2F6E62;
  --c-accent-2:#F5B949;
  --c-bg:#FAF6F1;
  --c-surface:#FFFFFF;
  --c-band:#F2EBE3;
  --c-mint:#F4F8F6;
  --c-peach:#FDF1EC;
  --c-ink:#1E1B18;
  --c-muted:#5A544E;
  --c-line:#E8DFD5;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 2px 8px rgba(30,27,24,.06);
  --shadow-2:0 14px 34px rgba(30,27,24,.10);
  --container:1200px;
  --t:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.75;color:var(--c-ink);background:var(--c-bg);}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),text-decoration-color var(--t);}
a:hover{color:var(--c-primary-deep);}
button{font:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t);}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--c-ink);flex-shrink:0;}
.brand:hover{color:var(--c-ink);}
.brand svg{flex-shrink:0;}
.brand-text small{display:block;font-size:11px;font-weight:600;color:var(--c-muted);letter-spacing:.06em;line-height:1.2;}
.site-nav{margin-left:auto;}
.site-nav ul{display:flex;align-items:center;gap:4px;}
.site-nav a{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--c-muted);transition:color var(--t),background var(--t);}
.site-nav a:hover{color:var(--c-primary);background:rgba(226,86,47,.07);}
.site-nav a.is-active{color:var(--c-primary);}
.site-nav a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);}
.header-cta{margin-left:12px;}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);align-items:center;justify-content:center;cursor:pointer;transition:background var(--t),border-color var(--t);}
.nav-toggle:hover{border-color:rgba(226,86,47,.35);background:rgba(226,86,47,.05);}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(30,27,24,.45);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:80;transform:translateX(102%);transition:transform .28s ease;padding:22px;overflow-y:auto;box-shadow:var(--shadow-2);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--c-muted);}
.drawer nav{margin-top:8px;}
.drawer nav a{display:flex;align-items:center;height:48px;padding:0 6px;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer nav a:hover{color:var(--c-primary);}
.drawer .btn{margin-top:20px;width:100%;}

/* buttons */
.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;transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);}
.btn--primary{background:var(--c-primary);color:#fff;}
.btn--primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn--ghost{background:#fff;border-color:var(--c-accent);color:var(--c-accent);}
.btn--ghost:hover{background:rgba(47,110,98,.08);color:var(--c-accent);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--c-primary);text-decoration:underline;text-decoration-color:rgba(226,86,47,.35);text-underline-offset:4px;}
.link-arrow:hover{text-decoration-color:var(--c-primary);}

/* badges */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(226,86,47,.10);color:var(--c-primary-deep);white-space:nowrap;}
.badge--green{background:rgba(47,110,98,.10);color:var(--c-accent);}
.badge--yellow{background:rgba(245,185,73,.24);color:#7A4E00;}

/* hero */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;background-image:url('/assets/images/eb3627bb0ef8a6f4.webp');background-size:cover;background-position:center;}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(250,246,241,.96),rgba(250,246,241,.90));}
.hero::after{content:"";position:absolute;top:-180px;right:-140px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(226,86,47,.18),rgba(226,86,47,0) 70%);}
.hero .container{position:relative;z-index:2;}
.hero-inner{max-width:880px;margin:0 auto;text-align:center;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 16px;border-radius:999px;background:rgba(226,86,47,.10);color:var(--c-primary-deep);font-size:13px;font-weight:700;}
.hero h1{margin-top:20px;font-size:46px;line-height:1.22;font-weight:800;letter-spacing:-.01em;}
.hero-lead{max-width:780px;margin:20px auto 0;color:var(--c-muted);font-size:17px;line-height:1.85;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px;}
.hero-badges .badge{height:30px;background:#fff;border:1px solid var(--c-line);color:var(--c-muted);}
.search-form{max-width:660px;margin:30px auto 0;display:flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:8px 8px 8px 8px;box-shadow:var(--shadow-2);transition:border-color var(--t),box-shadow var(--t);}
.search-form:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(226,86,47,.15),var(--shadow-2);}
.search-form input{flex:1;min-width:0;height:44px;padding:0 16px;border:none;outline:none;background:transparent;font-size:15px;color:var(--c-ink);border-radius:999px;}
.search-form .btn{flex-shrink:0;}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px;}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--c-line);font-size:14px;color:var(--c-muted);transition:border-color var(--t),color var(--t),background var(--t);}
.chip:hover{border-color:rgba(226,86,47,.45);color:var(--c-primary);background:rgba(226,86,47,.04);}
.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:48px;margin-top:40px;}
.hero-stats div{text-align:center;}
.hero-stats strong{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--c-ink);}
.hero-stats span{font-size:13px;color:var(--c-muted);}

/* sections */
.section{padding:84px 0;}
.section--band{background:var(--c-band);}
.section--mint{background:var(--c-mint);}
.section--peach{background:var(--c-peach);}
.section-head{max-width:780px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-title{font-size:34px;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
.section-sub{margin-top:14px;color:var(--c-muted);font-size:16px;}
.section-head--center .section-sub{margin-left:auto;margin-right:auto;}

/* grids */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* card */
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-m);padding:24px;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.card:hover{transform:translateY(-2px);border-color:rgba(226,86,47,.35);box-shadow:var(--shadow-2);}
.card h3{font-size:19px;font-weight:700;line-height:1.45;}
.card p{margin-top:10px;font-size:15px;color:var(--c-muted);line-height:1.75;}

/* pain cards */
.pain-card .ico{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(226,86,47,.10);color:var(--c-primary-deep);margin-bottom:16px;}

/* solution */
.solution-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:30px 26px;box-shadow:var(--shadow-1);}
.solution-card h3{font-size:20px;}
.solution-card p{margin-top:12px;color:var(--c-muted);font-size:15px;}
.solution-card--accent{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:var(--shadow-2);}
.solution-card--accent h3{color:#fff;}
.solution-card--accent p{color:rgba(255,255,255,.86);}
.solution-card--accent .badge{background:rgba(255,255,255,.16);color:#fff;}
.solution-list{margin-top:16px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--c-muted);}
.solution-card--accent .solution-list{color:rgba(255,255,255,.86);}
.solution-list li{position:relative;padding-left:16px;}
.solution-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--c-accent-2);}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.step{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:26px 22px;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t);}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--c-accent-2);color:#4A3100;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.step h3{font-size:18px;}
.step p{margin-top:8px;font-size:14px;color:var(--c-muted);}
.step:not(:last-child)::after{content:"";position:absolute;right:-16px;top:46px;width:8px;height:8px;border-top:2px dashed rgba(47,110,98,.55);border-right:2px dashed rgba(47,110,98,.55);transform:rotate(45deg);}

/* stats */
.stat{padding:8px 4px;}
.stat strong{display:block;font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-.02em;}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--c-muted);}
.section--mint .stat strong{color:var(--c-accent);}

/* stuck points */
.stuck{background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-accent);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-1);transition:border-color var(--t),box-shadow var(--t);}
.stuck:hover{box-shadow:var(--shadow-2);}
.stuck h3{font-size:17px;}
.stuck p{margin-top:6px;font-size:14px;color:var(--c-muted);}

/* city pills */
.city-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.city{display:flex;flex-direction:column;gap:4px;background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-1);transition:border-color var(--t),transform var(--t);}
.city:hover{border-color:rgba(226,86,47,.4);transform:translateY(-2px);}
.city b{font-size:16px;font-weight:700;}
.city span{font-size:13px;color:var(--c-muted);}
.zone-foot{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;}

/* feature cards */
.feature{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:22px;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.feature:hover{transform:translateY(-2px);border-color:rgba(226,86,47,.35);box-shadow:var(--shadow-2);}
.feature .ico{width:48px;height:48px;border-radius:14px;background:rgba(47,110,98,.10);color:var(--c-accent);display:flex;align-items:center;justify-content:center;}
.feature h3{font-size:17px;}
.feature p{margin-top:6px;font-size:14px;color:var(--c-muted);}

/* safety panel */
.safety-panel{background:#fff;border:1px solid rgba(47,110,98,.35);border-radius:var(--radius-l);padding:40px;display:grid;grid-template-columns:1.5fr .8fr;gap:40px;box-shadow:var(--shadow-1);}
.safety-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px;}
.safety-item{background:var(--c-mint);border-radius:14px;padding:16px 18px;}
.safety-item b{display:block;font-size:15px;color:var(--c-accent);}
.safety-item span{display:block;margin-top:4px;font-size:14px;color:var(--c-muted);}
.report-tip{margin-top:22px;display:flex;align-items:flex-start;gap:10px;background:rgba(245,185,73,.18);border-radius:12px;padding:14px 16px;font-size:14px;color:#6A4A05;}
.safety-art{display:flex;align-items:center;justify-content:center;}

/* rank */
.rank-list{display:flex;flex-direction:column;gap:12px;}
.rank-item{display:grid;grid-template-columns:60px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:20px 24px;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.rank-item:hover{transform:translateY(-2px);border-color:rgba(226,86,47,.35);box-shadow:var(--shadow-2);}
.rank-num{width:48px;height:48px;border-radius:14px;background:rgba(245,185,73,.28);color:#7A4E00;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;}
.rank-main h3{font-size:18px;}
.rank-main p{margin-top:4px;font-size:14px;color:var(--c-muted);}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.rank-side{text-align:right;}
.stars{color:var(--c-accent-2);font-size:15px;letter-spacing:2px;white-space:nowrap;}
.rank-side small{display:block;font-size:13px;color:var(--c-muted);margin-top:4px;}

/* events */
.calendar-wrap{display:grid;grid-template-columns:1.9fr 1fr;gap:24px;align-items:start;}
.event-list{display:flex;flex-direction:column;gap:12px;}
.event-row{display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:16px 20px;box-shadow:var(--shadow-1);transition:border-color var(--t),box-shadow var(--t);}
.event-row:hover{border-color:rgba(226,86,47,.35);box-shadow:var(--shadow-2);}
.date-block{background:var(--c-peach);border-radius:12px;text-align:center;padding:8px 6px;color:var(--c-primary-deep);}
.date-block b{display:block;font-size:18px;font-weight:800;line-height:1.2;}
.date-block span{font-size:12px;color:var(--c-muted);}
.event-main h3{font-size:16px;}
.event-main span{display:block;font-size:13px;color:var(--c-muted);margin-top:4px;}
.topic-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);}
.topic-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.topic-card .topic-body{padding:22px;}
.topic-card h3{font-size:18px;}
.topic-card p{margin-top:8px;font-size:14px;color:var(--c-muted);}
.topic-card .link-arrow{margin-top:14px;}

/* testimonials */
.quote{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:24px;box-shadow:var(--shadow-1);}
.quote p{margin-top:12px;font-size:15px;color:var(--c-ink);line-height:1.8;}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line);}
.avatar{width:56px;height:56px;border-radius:50%;overflow:hidden;background:var(--c-band);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--c-accent);}
.avatar img{width:100%;height:100%;object-fit:cover;}
.quote-foot b{display:block;font-size:14px;}
.quote-foot span{font-size:13px;color:var(--c-muted);}

/* news */
.news-wrap{display:grid;grid-template-columns:1.85fr 1fr;gap:32px;align-items:start;}
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-row{display:grid;grid-template-columns:190px 1fr;gap:18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:16px;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);color:inherit;}
.news-row:hover{transform:translateY(-2px);border-color:rgba(226,86,47,.35);box-shadow:var(--shadow-2);color:inherit;}
.news-thumb{overflow:hidden;border-radius:12px;background:var(--c-band);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--t);}
.news-row:hover .news-thumb img{transform:scale(1.03);}
.news-body h3{font-size:17px;line-height:1.5;transition:color var(--t);}
.news-row:hover .news-body h3{color:var(--c-primary);}
.news-body p{margin-top:8px;font-size:14px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:12px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);}
.side-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:24px;box-shadow:var(--shadow-1);}
.side-panel h3{font-size:17px;}
.side-list{margin-top:16px;display:flex;flex-direction:column;}
.side-list a{display:block;padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:14px;color:var(--c-ink);line-height:1.6;}
.side-list a:last-child{border-bottom:none;}
.side-list a:hover{color:var(--c-primary);}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:48px 24px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--radius-m);text-align:center;color:var(--c-muted);font-size:15px;}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:0 22px;box-shadow:var(--shadow-1);transition:border-color var(--t);}
.faq-item:hover{border-color:rgba(226,86,47,.3);}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;font-size:16px;font-weight:700;cursor:pointer;list-style:none;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"";width:9px;height:9px;flex-shrink:0;border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);transform:rotate(45deg);transition:transform var(--t);}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item .faq-answer{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--c-muted);}

/* trust bar */
.trust-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;align-items:center;}
.trust-bar .stat strong{font-size:34px;color:var(--c-primary-deep);}
.trust-note{grid-column:1/-1;text-align:center;font-size:14px;color:var(--c-muted);margin-top:4px;}

/* cta */
.cta-section{background:var(--c-bg);padding:84px 0;}
.cta-panel{position:relative;overflow:hidden;border-radius:var(--radius-l);padding:56px;color:#EDE7E0;background-color:#1E1B18;background-image:linear-gradient(120deg,rgba(30,27,24,.94),rgba(30,27,24,.86)),url('/assets/images/c3ca0cba8c4b508f.webp');background-size:cover;background-position:center;}
.cta-inner{max-width:820px;margin:0 auto;text-align:center;position:relative;z-index:2;}
.cta-panel h2{font-size:34px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:#fff;}
.cta-panel .cta-sub{margin-top:14px;color:rgba(237,231,224,.82);font-size:16px;}
.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:32px;text-align:left;}
.field label{display:block;font-size:14px;font-weight:600;color:#EDE7E0;margin-bottom:8px;}
.field input,.field select{width:100%;height:46px;border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:15px;outline:none;transition:border-color var(--t),box-shadow var(--t),background var(--t);}
.field select option{color:#1E1B18;}
.field input::placeholder{color:rgba(237,231,224,.55);}
.field input:focus,.field select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(226,86,47,.22);background:rgba(255,255,255,.12);}
.form-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.form-note{margin-top:18px;font-size:13px;color:rgba(237,231,224,.66);line-height:1.8;}

/* footer */
.site-footer{background:#1E1B18;color:#EDE7E0;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:40px;}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-about p{margin-top:16px;font-size:14px;color:rgba(237,231,224,.70);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(237,231,224,.72);}
.footer-col a:hover{color:var(--c-accent-2);}
.footer-col p{font-size:14px;color:rgba(237,231,224,.72);line-height:1.8;}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(237,231,224,.58);}
.footer-bottom .minor{color:rgba(245,185,73,.86);}

/* responsive */
@media (max-width:1200px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .city-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step:not(:last-child)::after{display:none;}
}
@media (max-width:992px){
  .site-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero h1{font-size:36px;}
  .section-title{font-size:28px;}
  .grid-2,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .safety-panel{grid-template-columns:1fr;padding:30px;}
  .safety-art{order:-1;}
  .calendar-wrap,.news-wrap{grid-template-columns:1fr;}
  .cta-panel{padding:40px 26px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .trust-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .form-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .section,.cta-section{padding:48px 0;}
  .hero{padding:52px 0 60px;}
  .hero h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .section-title{font-size:24px;}
  .grid,.grid-2,.grid-3,.grid-4{gap:16px;grid-template-columns:1fr;}
  .city-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:1fr;}
  .safety-list{grid-template-columns:1fr;}
  .news-row{grid-template-columns:1fr;}
  .news-thumb img{aspect-ratio:16/9;}
  .rank-item{grid-template-columns:52px 1fr;gap:14px;padding:18px;}
  .rank-side{grid-column:1/-1;text-align:left;display:flex;align-items:center;gap:10px;}
  .rank-side small{margin-top:0;}
  .event-row{grid-template-columns:56px 1fr;gap:14px;}
  .event-row .badge{grid-column:1/-1;justify-self:start;}
  .hero-stats{gap:28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .trust-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat strong{font-size:32px;}
}
@media (max-width:560px){
  .container{padding:0 18px;}
  .search-form{flex-wrap:wrap;border-radius:18px;}
  .search-form input{flex:1 1 100%;}
  .search-form .btn{width:100%;}
  .btn{width:100%;}
  .btn--sm{width:auto;}
  .header-inner{padding:0 18px;gap:12px;}
  .brand{font-size:15px;}
  .rank-num{width:42px;height:42px;font-size:17px;}
  .hero-stats{flex-direction:column;gap:18px;}
  .cta-panel h2{font-size:24px;}
  .form-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#E2562F;
  --c-primary-deep:#B93E1E;
  --c-accent:#2F6E62;
  --c-accent-2:#F5B949;
  --c-bg:#FAF6F1;
  --c-surface:#FFFFFF;
  --c-band:#F2EBE3;
  --c-mint:#F4F8F6;
  --c-peach:#FDF1EC;
  --c-ink:#1E1B18;
  --c-muted:#5A544E;
  --c-line:#E8DFD5;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 2px 8px rgba(30,27,24,.06);
  --shadow-2:0 14px 34px rgba(30,27,24,.10);
  --container:1200px;
  --t:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.75;color:var(--c-ink);background:var(--c-bg);}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),text-decoration-color var(--t);}
a:hover{color:var(--c-primary-deep);}
button{font:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:84px 0;}
.section--band{background:var(--c-band);}
.section--mint{background:var(--c-mint);}
.section--peach{background:var(--c-peach);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:34px;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
.section-head .head-sub{margin-top:10px;color:var(--c-muted);font-size:15px;max-width:660px;}
/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t);}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--c-ink);flex-shrink:0;}
.brand:hover{color:var(--c-ink);}
.brand svg{flex-shrink:0;}
.brand-text small{display:block;font-size:11px;font-weight:600;color:var(--c-muted);letter-spacing:.06em;line-height:1.2;}
.site-nav{margin-left:auto;}
.site-nav ul{display:flex;align-items:center;gap:4px;}
.site-nav a{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--c-muted);transition:color var(--t),background var(--t);}
.site-nav a:hover{color:var(--c-primary);background:rgba(226,86,47,.07);}
.site-nav a.is-active{color:var(--c-primary);}
.site-nav a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);}
.header-cta{margin-left:12px;}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);align-items:center;justify-content:center;cursor:pointer;transition:background var(--t),border-color var(--t);}
.nav-toggle:hover{border-color:rgba(226,86,47,.35);background:rgba(226,86,47,.05);}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(30,27,24,.45);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:80;transform:translateX(102%);transition:transform .28s ease;padding:22px;overflow-y:auto;box-shadow:var(--shadow-2);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--c-muted);transition:color var(--t),border-color var(--t);}
.drawer-close:hover{color:var(--c-primary);border-color:rgba(226,86,47,.35);}
.drawer nav{margin-top:8px;}
.drawer nav a{display:flex;align-items:center;height:48px;padding:0 6px;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer nav a:hover,.drawer nav a.is-active{color:var(--c-primary);}
.drawer .btn{margin-top:20px;width:100%;}
/* buttons */
.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;transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);}
.btn--primary{background:var(--c-primary);color:#fff;}
.btn--primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn--ghost{background:#fff;border-color:var(--c-accent);color:var(--c-accent);}
.btn--ghost:hover{background:rgba(47,110,98,.08);color:var(--c-accent);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--c-primary);text-decoration:underline;text-decoration-color:rgba(226,86,47,.35);text-underline-offset:4px;}
.link-arrow:hover{text-decoration-color:var(--c-primary);}
/* badge */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(226,86,47,.10);color:var(--c-primary-deep);white-space:nowrap;}
.badge--green{background:rgba(47,110,98,.10);color:var(--c-accent);}
.badge--yellow{background:rgba(245,185,73,.24);color:#7A4E00;}
/* crumb */
.crumb-bar{background:var(--c-band);border-bottom:1px solid var(--c-line);}
.crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:52px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.crumb a{color:var(--c-primary);text-decoration:underline;text-decoration-color:rgba(226,86,47,.35);text-underline-offset:3px;}
.crumb a:hover{text-decoration-color:var(--c-primary);}
.crumb .sep{color:#B9AFA4;}
.crumb .current{color:var(--c-ink);font-weight:700;overflow:hidden;text-overflow:ellipsis;}
.crumb-back{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--c-line);background:#fff;font-size:13px;font-weight:600;color:var(--c-muted);flex-shrink:0;transition:color var(--t),border-color var(--t),background var(--t);}
.crumb-back:hover{color:var(--c-primary);border-color:rgba(226,86,47,.35);background:rgba(226,86,47,.05);}
/* cat head */
.cat-head{position:relative;overflow:hidden;padding:56px 0 52px;background-image:url('/assets/images/c3ca0cba8c4b508f.webp');background-size:cover;background-position:center;}
.cat-head::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(250,246,241,.97),rgba(250,246,241,.93));}
.cat-head .container{position:relative;z-index:2;}
.cat-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:48px;align-items:end;}
.eyebrow{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:rgba(226,86,47,.10);color:var(--c-primary-deep);font-size:13px;font-weight:700;letter-spacing:.02em;}
.cat-head h1{margin-top:18px;font-size:46px;line-height:1.22;font-weight:800;letter-spacing:-.01em;}
.cat-lead{margin-top:16px;max-width:640px;font-size:17px;line-height:1.8;color:var(--c-muted);}
.cat-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.cat-stat{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:16px 14px;box-shadow:var(--shadow-1);text-align:center;}
.cat-stat b{display:block;font-size:24px;font-weight:800;letter-spacing:-.02em;color:var(--c-primary);line-height:1.2;}
.cat-stat span{display:block;margin-top:6px;font-size:12px;color:var(--c-muted);line-height:1.5;}
/* filter bar */
.filter-bar{position:sticky;top:68px;z-index:40;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-1);}
.filter-inner{display:flex;align-items:center;gap:20px;min-height:64px;padding-top:10px;padding-bottom:10px;}
.filter-tabs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.filter-tab{height:36px;padding:0 18px;border-radius:999px;border:1px solid var(--c-line);background:#fff;color:var(--c-muted);font-size:14px;font-weight:600;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t);}
.filter-tab:hover{border-color:rgba(226,86,47,.35);color:var(--c-primary);}
.filter-tab.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.filter-tags{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;}
.filter-tags::-webkit-scrollbar{display:none;}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:rgba(47,110,98,.09);color:var(--c-accent);font-size:13px;font-weight:600;white-space:nowrap;}
/* posts */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);transition:border-color var(--t),box-shadow var(--t),transform var(--t);}
.post-card:hover{border-color:rgba(226,86,47,.35);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-band);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1;}
.post-body h3{font-size:18px;line-height:1.5;font-weight:700;letter-spacing:-.01em;}
.post-body h3 a{color:var(--c-ink);}
.post-body h3 a:hover{color:var(--c-primary);}
.post-body p{font-size:14px;line-height:1.75;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:8px;font-size:13px;color:#8A8279;}
.post-meta .dot{color:#C6BCB0;}
/* empty */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:56px 24px;text-align:center;background:#fff;border:1px dashed var(--c-line);border-radius:var(--radius-m);}
.empty-state svg{color:var(--c-accent);opacity:.7;}
.empty-state p{font-size:15px;color:var(--c-muted);}
/* rank */
.rank-list{display:grid;gap:14px;}
.rank-item{display:grid;grid-template-columns:56px minmax(0,1fr) 188px;gap:20px;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:20px 24px;box-shadow:var(--shadow-1);transition:border-color var(--t),box-shadow var(--t),transform var(--t);}
.rank-item:hover{border-color:rgba(226,86,47,.35);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.rank-no{width:48px;height:48px;border-radius:14px;background:rgba(245,185,73,.28);color:#7A4E00;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;letter-spacing:-.02em;}
.rank-main h3{font-size:18px;font-weight:700;line-height:1.5;}
.rank-main p{margin-top:6px;font-size:14px;color:var(--c-muted);line-height:1.7;}
.rank-side{display:flex;flex-direction:column;gap:8px;align-items:flex-start;}
.stars{color:var(--c-accent-2);font-size:15px;letter-spacing:2px;line-height:1;}
.rank-tags{display:flex;gap:6px;flex-wrap:wrap;}
/* tips */
.tips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.tip{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:24px 24px 24px 30px;box-shadow:var(--shadow-1);transition:border-color var(--t),box-shadow var(--t);}
.tip:hover{border-color:rgba(47,110,98,.35);box-shadow:var(--shadow-2);}
.tip::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;background:var(--c-accent);}
.tip h3{font-size:17px;font-weight:700;}
.tip p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--c-muted);}
/* metrics */
.metric-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:24px 20px;text-align:center;box-shadow:var(--shadow-1);}
.metric b{display:block;font-size:36px;font-weight:800;letter-spacing:-.02em;color:var(--c-primary);line-height:1.15;}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--c-muted);}
/* faq */
.faq{display:grid;gap:12px;max-width:880px;}
.faq details{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:0 22px;box-shadow:var(--shadow-1);transition:border-color var(--t),box-shadow var(--t);}
.faq details:hover{border-color:rgba(226,86,47,.35);}
.faq details[open]{box-shadow:var(--shadow-2);}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;font-size:16px;font-weight:700;color:var(--c-ink);}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);transform:rotate(45deg);transition:transform var(--t),border-color var(--t);flex-shrink:0;margin-top:-4px;}
.faq details[open] summary::after{transform:rotate(-135deg);border-color:var(--c-primary);margin-top:4px;}
.faq .answer{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--c-muted);max-width:760px;}
/* closing */
.closing{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);padding:44px 40px;box-shadow:var(--shadow-1);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.closing h2{font-size:26px;font-weight:800;letter-spacing:-.01em;}
.closing p{margin-top:10px;font-size:15px;color:var(--c-muted);max-width:620px;}
.closing-note{margin-top:16px;font-size:13px;color:#8A8279;}
/* footer */
.site-footer{background:#1E1B18;color:#EDE7E0;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:36px;}
.footer-about .brand{color:#EDE7E0;font-size:17px;}
.footer-about .brand:hover{color:#fff;}
.footer-about .brand-text small{color:rgba(237,231,224,.66);}
.footer-about p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(237,231,224,.72);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.01em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(237,231,224,.75);}
.footer-col a:hover{color:var(--c-accent-2);}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(237,231,224,.72);}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(237,231,224,.16);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(237,231,224,.62);}
.footer-bottom .minor{color:rgba(245,185,73,.85);}
@media (max-width:1200px){
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-head-grid{grid-template-columns:minmax(0,1fr) 340px;gap:32px;}
  .cat-head h1{font-size:40px;}
}
@media (max-width:992px){
  .site-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:64px 0;}
  .cat-head-grid{grid-template-columns:1fr;align-items:start;}
  .cat-head h1{font-size:36px;}
  .tips{grid-template-columns:1fr;}
  .rank-item{grid-template-columns:56px minmax(0,1fr);}
  .rank-side{grid-column:2;flex-direction:row;align-items:center;gap:14px;}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .header-inner{padding:0 18px;gap:12px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:26px;}
  .section-head h2{font-size:24px;}
  .crumb-inner{height:46px;}
  .crumb{font-size:13px;}
  .cat-head{padding:40px 0 40px;}
  .cat-head h1{font-size:30px;}
  .cat-lead{font-size:15px;}
  .cat-stats{grid-template-columns:repeat(3,1fr);gap:10px;}
  .cat-stat{padding:12px 8px;}
  .cat-stat b{font-size:20px;}
  .filter-bar{top:0;}
  .filter-inner{flex-wrap:nowrap;gap:12px;overflow-x:auto;}
  .filter-tabs{flex-wrap:nowrap;}
  .filter-tabs::-webkit-scrollbar{display:none;}
  .filter-tags{margin-left:0;}
  .filter-tab{flex-shrink:0;}
  .tag{flex-shrink:0;}
  .post-grid{grid-template-columns:1fr;gap:16px;}
  .rank-item{padding:18px;gap:14px;}
  .closing{padding:30px 22px;}
  .closing h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:560px){
  .cat-head h1{font-size:27px;}
  .metric-row{grid-template-columns:1fr 1fr;}
  .metric b{font-size:28px;}
  .btn{width:100%;}
  .crumb-back{height:30px;padding:0 12px;}
  .crumb .sep,.crumb a{display:none;}
  .rank-no{width:42px;height:42px;font-size:18px;border-radius:12px;}
  .rank-item{grid-template-columns:42px minmax(0,1fr);}
}

/* roulang page: article */
:root{
  --c-primary:#E2562F;
  --c-primary-deep:#B93E1E;
  --c-accent:#2F6E62;
  --c-accent-2:#F5B949;
  --c-bg:#FAF6F1;
  --c-surface:#FFFFFF;
  --c-band:#F2EBE3;
  --c-mint:#F4F8F6;
  --c-peach:#FDF1EC;
  --c-ink:#1E1B18;
  --c-muted:#5A544E;
  --c-line:#E8DFD5;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 2px 8px rgba(30,27,24,.06);
  --shadow-2:0 14px 34px rgba(30,27,24,.10);
  --container:1200px;
  --t:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.75;color:var(--c-ink);background:var(--c-bg);}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),text-decoration-color var(--t);}
a:hover{color:var(--c-primary-deep);}
button,input,select,textarea{font:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t);}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--c-ink);flex-shrink:0;}
.brand:hover{color:var(--c-ink);}
.brand svg{flex-shrink:0;}
.brand-text{display:inline-flex;flex-direction:column;line-height:1.2;}
.brand-text small{display:block;font-size:11px;font-weight:600;color:var(--c-muted);letter-spacing:.06em;line-height:1.35;}
.site-nav{margin-left:auto;}
.site-nav ul{display:flex;align-items:center;gap:4px;list-style:none;}
.site-nav a{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--c-muted);transition:color var(--t),background var(--t);}
.site-nav a:hover{color:var(--c-primary);background:rgba(226,86,47,.07);}
.site-nav a.is-active{color:var(--c-primary);}
.site-nav a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);}
.header-cta{margin-left:12px;flex-shrink:0;}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);align-items:center;justify-content:center;cursor:pointer;transition:background var(--t),border-color var(--t);}
.nav-toggle:hover{border-color:rgba(226,86,47,.35);background:rgba(226,86,47,.05);}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(30,27,24,.45);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:80;transform:translateX(102%);transition:transform .28s ease;padding:22px;overflow-y:auto;box-shadow:var(--shadow-2);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--c-muted);}
.drawer nav{margin-top:8px;}
.drawer nav a{display:flex;align-items:center;height:48px;padding:0 6px;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer nav a:hover{color:var(--c-primary);}
.drawer nav a.is-active{color:var(--c-primary);}
.drawer .btn{margin-top:20px;width:100%;}

/* buttons */
.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;transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);white-space:nowrap;}
.btn--primary{background:var(--c-primary);color:#fff;}
.btn--primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn--ghost{background:#fff;border-color:var(--c-accent);color:var(--c-accent);}
.btn--ghost:hover{background:rgba(47,110,98,.08);color:var(--c-accent);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--c-primary);text-decoration:underline;text-decoration-color:rgba(226,86,47,.35);text-underline-offset:4px;}
.link-arrow:hover{text-decoration-color:var(--c-primary);}

/* badges */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(226,86,47,.10);color:var(--c-primary-deep);white-space:nowrap;}
.badge--green{background:rgba(47,110,98,.10);color:var(--c-accent);}
.badge--yellow{background:rgba(245,185,73,.24);color:#7A4E00;}

/* breadcrumb bar */
.crumb-bar{background:var(--c-band);border-bottom:1px solid var(--c-line);}
.crumb-inner{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:5px;padding-bottom:5px;}
.breadcrumb{display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden;white-space:nowrap;font-size:13px;color:var(--c-muted);}
.breadcrumb a{color:var(--c-primary);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(226,86,47,.32);}
.breadcrumb a:hover{text-decoration-color:var(--c-primary);}
.breadcrumb .sep{color:#A39A90;flex-shrink:0;}
.breadcrumb .current{color:var(--c-ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;}
.crumb-back{display:inline-flex;align-items:center;height:30px;padding:0 14px;border:1px solid var(--c-line);border-radius:999px;background:#fff;color:var(--c-muted);font-size:13px;font-weight:600;flex-shrink:0;transition:border-color var(--t),color var(--t),background var(--t);}
.crumb-back:hover{border-color:rgba(226,86,47,.35);color:var(--c-primary);background:#fff;}

/* article head */
.article-hero{position:relative;padding:44px 0 34px;background:var(--c-bg);overflow:hidden;}
.article-hero::before{content:"";position:absolute;top:-180px;right:-120px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(226,86,47,.14),rgba(226,86,47,0) 70%);pointer-events:none;}
.article-head{position:relative;z-index:1;max-width:920px;}
.article-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px;}
.article-hero h1{font-size:40px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);word-break:break-word;}
.article-sub{max-width:760px;margin-top:16px;color:var(--c-muted);font-size:16px;line-height:1.85;}
.meta-row{display:flex;align-items:center;gap:10px 18px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px dashed var(--c-line);color:var(--c-muted);font-size:14px;}
.meta-row span{display:inline-flex;align-items:center;gap:6px;}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--c-accent-2);}

/* article layout */
.article-wrap{padding-bottom:84px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:32px;align-items:start;}
.article-main{min-width:0;max-width:840px;}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);}
.article-body{padding:40px;border-radius:var(--radius-m);}
.article-cover{aspect-ratio:16/9;border-radius:var(--radius-m);overflow:hidden;margin-bottom:26px;background:var(--c-band);}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.prose{max-width:760px;margin:0 auto;font-size:16px;line-height:1.8;color:var(--c-ink);overflow-wrap:break-word;}
.prose h2{font-size:22px;line-height:1.45;font-weight:800;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary);letter-spacing:-.01em;}
.prose h3{font-size:18px;line-height:1.5;font-weight:800;margin:28px 0 12px;color:var(--c-ink);}
.prose h4{font-size:16px;font-weight:800;margin:24px 0 10px;}
.prose p{margin:0 0 20px;}
.prose ul,.prose ol{margin:0 0 20px;padding-left:24px;line-height:1.8;}
.prose li{margin-bottom:8px;}
.prose blockquote{margin:24px 0;padding:16px 20px;background:var(--c-peach);border-left:4px solid var(--c-primary);border-radius:0 var(--radius-s) var(--radius-s) 0;color:var(--c-muted);}
.prose img{border-radius:12px;margin:24px auto;height:auto;}
.prose figure{margin:24px 0;}
.prose figcaption{font-size:13px;text-align:center;color:var(--c-muted);margin-top:8px;}
.prose a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.prose strong{font-weight:800;color:var(--c-ink);}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.prose th,.prose td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;vertical-align:top;}
.prose th{background:var(--c-band);font-weight:700;}
.prose hr{border:0;border-top:1px dashed var(--c-line);margin:28px 0;}

/* key points */
.key-points{background:var(--c-mint);border:1px solid rgba(47,110,98,.18);border-radius:var(--radius-m);padding:28px 30px;margin-top:24px;box-shadow:var(--shadow-1);}
.key-points h2{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--c-accent);line-height:1.4;}
.key-points h2::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex-shrink:0;}
.key-points ul{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px;}
.key-points li{position:relative;padding-left:26px;font-size:15px;line-height:1.75;color:var(--c-ink);}
.key-points li::before{content:"✓";position:absolute;left:0;top:1px;color:var(--c-accent);font-weight:800;}

/* author */
.author-card{display:flex;align-items:center;gap:16px;padding:20px 24px;margin-top:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);}
.author-avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--c-band);}
.author-avatar img{width:100%;height:100%;object-fit:cover;}
.author-info{min-width:0;}
.author-info h3{font-size:16px;font-weight:800;line-height:1.4;}
.author-info p{font-size:14px;color:var(--c-muted);line-height:1.65;margin-top:3px;}
.author-update{margin-left:auto;font-size:13px;color:var(--c-muted);white-space:nowrap;flex-shrink:0;}

/* related */
.related{margin-top:48px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;}
.section-head h2{font-size:24px;line-height:1.35;font-weight:800;letter-spacing:-.01em;}
.section-head p{font-size:14px;color:var(--c-muted);margin-top:4px;}
.related-list{display:grid;gap:14px;}
.rel-card{display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;padding:14px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);transition:border-color var(--t),box-shadow var(--t),transform var(--t);color:var(--c-ink);}
.rel-card:hover{border-color:rgba(226,86,47,.35);box-shadow:var(--shadow-2);transform:translateY(-2px);color:var(--c-ink);}
.rel-thumb{aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--c-band);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{min-width:0;padding:2px 4px 2px 0;}
.rel-body h3{font-size:17px;line-height:1.5;font-weight:800;margin:8px 0 6px;color:var(--c-ink);}
.rel-card:hover .rel-body h3{color:var(--c-primary);}
.rel-body p{font-size:14px;line-height:1.7;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-date{display:inline-block;margin-top:8px;font-size:13px;color:#8B8279;}

/* FAQ */
.faq{margin-top:48px;}
.faq details{background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:0 18px;margin-bottom:10px;transition:border-color var(--t),box-shadow var(--t);}
.faq details[open]{border-color:rgba(226,86,47,.28);box-shadow:var(--shadow-1);}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:14px;cursor:pointer;padding:16px 0;font-weight:700;font-size:16px;line-height:1.5;list-style:none;color:var(--c-ink);}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"＋";display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--c-peach);color:var(--c-primary);font-size:16px;font-weight:700;flex-shrink:0;transition:transform var(--t),background var(--t);}
.faq details[open] summary::after{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq details p{padding:0 0 16px;margin:0;color:var(--c-muted);font-size:15px;line-height:1.8;}

/* article foot */
.article-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:36px;padding:20px 24px;border:1px dashed var(--c-line);border-radius:var(--radius-m);background:#fff;flex-wrap:wrap;}
.foot-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.foot-links a{font-size:14px;font-weight:700;color:var(--c-muted);}
.foot-links a:hover{color:var(--c-primary);}

/* aside */
.article-aside{position:sticky;top:86px;min-width:0;}
.aside-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:20px;margin-bottom:18px;box-shadow:var(--shadow-1);}
.aside-card h3{font-size:15px;font-weight:800;line-height:1.4;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.aside-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.toc-list{list-style:none;margin:0;padding:0;}
.toc-list li a{display:block;padding:7px 0;font-size:14px;color:var(--c-muted);border-bottom:1px dashed var(--c-line);transition:color var(--t),padding-left var(--t);}
.toc-list li:last-child a{border-bottom:0;}
.toc-list a:hover{color:var(--c-primary);padding-left:4px;}
.hot-list{list-style:none;margin:0;padding:0;counter-reset:hot;}
.hot-list li{position:relative;padding-left:24px;margin-bottom:14px;}
.hot-list li:last-child{margin-bottom:0;}
.hot-list li::before{counter-increment:hot;content:counter(hot);position:absolute;left:0;top:2px;width:17px;height:17px;border-radius:5px;background:var(--c-accent-2);color:#5B3A00;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.hot-list a{font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.55;display:block;}
.hot-list a:hover{color:var(--c-primary);}
.hot-list span{display:block;font-size:12px;color:var(--c-muted);margin-top:3px;}
.aside-note{font-size:13px;line-height:1.7;color:var(--c-muted);margin-top:6px;}

/* empty */
.empty-state{text-align:center;padding:48px 24px;color:var(--c-muted);}
.empty-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--c-peach);display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:24px;font-weight:800;}
.empty-state h2{font-size:22px;color:var(--c-ink);margin-bottom:8px;}
.empty-state p{font-size:15px;line-height:1.8;max-width:420px;margin:0 auto 20px;}

/* footer */
.site-footer{background:var(--c-ink);color:#EDE7E0;padding:64px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:40px;padding-bottom:48px;}
.footer-about .brand{color:#fff;}
.footer-about .brand:hover{color:#fff;}
.footer-about .brand-text small{color:rgba(237,231,224,.62);}
.footer-about p{color:rgba(237,231,224,.72);font-size:14px;line-height:1.8;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:800;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(237,231,224,.72);font-size:14px;text-decoration:none;}
.footer-col a:hover{color:var(--c-accent-2);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(237,231,224,.72);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(237,231,224,.6);}
.footer-bottom .minor{color:rgba(245,185,73,.82);}

/* responsive */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:24px;}
  .article-hero h1{font-size:36px;}
  .footer-grid{gap:28px;}
}
@media (max-width:992px){
  .site-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .article-hero{padding:34px 0 28px;}
  .article-hero h1{font-size:32px;}
  .article-layout{grid-template-columns:1fr;}
  .article-main{max-width:none;}
  .article-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .aside-card{margin-bottom:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-about{grid-column:1/-1;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .header-inner{padding:0 18px;}
  .crumb-inner{padding-top:6px;padding-bottom:6px;gap:10px;}
  .breadcrumb{font-size:12px;}
  .article-hero h1{font-size:28px;line-height:1.35;}
  .article-sub{font-size:15px;}
  .meta-row{gap:8px 14px;font-size:13px;}
  .article-body{padding:24px;}
  .article-cover{margin-bottom:20px;}
  .prose{font-size:16px;}
  .prose h2{font-size:20px;margin-top:30px;}
  .prose h3{font-size:17px;}
  .key-points{padding:22px 20px;}
  .key-points h2{font-size:18px;}
  .author-card{align-items:flex-start;padding:18px;flex-wrap:wrap;}
  .author-update{margin-left:0;width:100%;padding-left:64px;}
  .rel-card{grid-template-columns:1fr;gap:12px;}
  .rel-thumb{aspect-ratio:16/9;}
  .section-head h2{font-size:21px;}
  .article-aside{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-about{grid-column:auto;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .article-foot{padding:18px;}
}
@media (max-width:560px){
  .article-hero{padding:26px 0 22px;}
  .article-hero h1{font-size:25px;}
  .crumb-back{display:none;}
  .breadcrumb{width:100%;}
  .article-body{padding:20px;}
  .btn{width:100%;}
  .header-cta{display:none;}
  .author-update{padding-left:0;}
  .foot-links{width:100%;flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px;}
}