/* roulang page: index */
:root{
  --bg:#FBF7F0; --surface:#FFFFFF; --surface-2:#F3EEE5;
  --ink:#172A26; --muted:#5E6B67; --line:#E7DED2;
  --brand-900:#0B3B33; --brand-700:#0B6E5F; --brand-500:#1C9B84;
  --brand-300:#8ED9C8; --brand-100:#E6F4EF;
  --accent-500:#F2A65A; --accent-600:#D9822B; --rose-500:#E8657A;
  --grad-brand:linear-gradient(135deg,#0B6E5F 0%,#2FAF96 45%,#F2A65A 100%);
  --grad-soft:radial-gradient(58% 68% at 10% 6%,rgba(28,155,132,.16),transparent 62%),radial-gradient(52% 64% at 92% 14%,rgba(242,166,90,.20),transparent 60%);
  --shadow-soft:0 20px 44px -28px rgba(11,59,51,.42);
  --shadow-hover:0 28px 52px -24px rgba(11,59,51,.44);
  --radius-lg:32px; --radius-md:24px; --radius-sm:18px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
section{position:relative;padding:88px 0;}
.sec-alt{background:var(--surface);}
.sec-soft{background:var(--surface-2);}
.sec-tint{background:#FDF4E9;}
.sec-brand{background:var(--brand-900);color:#EAF6F2;}
.divider-wave{height:14px;width:100%;background-image:repeating-linear-gradient(90deg,var(--brand-300) 0 2px,transparent 2px 9px);opacity:.5;}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,240,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 14px 30px -24px rgba(11,59,51,.6);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;transition:height .25s ease;}
.site-header.is-scrolled .brand-row{height:56px;}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--brand-900);letter-spacing:-.02em;white-space:nowrap;}
.brand-mark{width:32px;height:32px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;letter-spacing:0;flex:none;}
.brand-logo .short{display:none;}
.search-box{display:flex;align-items:center;gap:8px;width:320px;max-width:34vw;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);transition:border-color .2s,box-shadow .2s;}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(28,155,132,.22);}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#93A19C;}
.channel-row{display:flex;align-items:center;gap:6px;height:44px;border-top:1px solid var(--line);overflow-x:auto;scrollbar-width:none;}
.channel-row::-webkit-scrollbar{display:none;}
.channel-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:14px;color:var(--muted);white-space:nowrap;transition:color .2s;}
.channel-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.channel-link:hover{color:var(--brand-700);}
.channel-link:hover::after,.channel-link.active::after{transform:scaleX(1);}
.channel-link.active{color:var(--brand-900);font-weight:600;}
.brand-nav{display:flex;align-items:center;gap:14px;}
.hot-link{font-size:13px;color:var(--muted);transition:color .2s;}
.hot-link:hover{color:var(--brand-700);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background-color .22s ease,color .22s ease;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 16px 32px -18px rgba(11,110,95,.85);}
.btn-primary:hover{transform:translateY(-3px);filter:brightness(1.06);box-shadow:0 22px 40px -18px rgba(11,110,95,.72);}
.btn-primary:active{transform:translateY(0);}
.btn-primary:focus-visible{outline:3px solid rgba(28,155,132,.5);outline-offset:3px;}
.btn-ghost{background:var(--surface);color:var(--brand-900);border-color:var(--line);}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--shadow-soft);color:var(--brand-700);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:3px solid rgba(28,155,132,.4);outline-offset:3px;}
.btn-onlight{background:#fff;color:var(--brand-900);}
.btn-onlight:hover{transform:translateY(-3px);box-shadow:0 22px 40px -22px rgba(0,0,0,.5);}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-3px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);padding-bottom:2px;border-bottom:1.5px solid var(--brand-300);transition:color .2s,border-color .2s;}
.btn-link:hover{color:var(--accent-600);border-color:var(--accent-500);}

/* Hero */
.hero{position:relative;overflow:hidden;padding:92px 0 74px;background:var(--brand-900);color:#F2FBF8;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/05c2b178157106f0.webp');background-size:cover;background-position:center;opacity:.4;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(112deg,rgba(11,59,51,.96) 0%,rgba(11,110,95,.84) 54%,rgba(11,59,51,.74) 100%);}
.hero-inner{position:relative;z-index:2;}
.burst{display:inline-flex;align-items:center;justify-content:center;padding:4px 16px;border-radius:999px;background:var(--accent-500);color:#3A2208;font-size:13px;font-weight:800;letter-spacing:.06em;transform:rotate(-3deg);box-shadow:0 10px 20px -12px rgba(0,0,0,.6);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--brand-300);text-transform:uppercase;}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.7rem);font-weight:800;margin:18px 0 20px;max-width:19em;}
.hero-lead{max-width:720px;font-size:16.5px;line-height:1.95;color:rgba(238,251,246,.88);}
.limited-tip{display:inline-flex;align-items:center;gap:10px;padding:9px 18px;border-radius:999px;border:1px solid rgba(142,217,200,.42);background:rgba(11,59,51,.45);font-size:13.5px;color:#CFEFE6;}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--accent-500);box-shadow:0 0 0 4px rgba(242,166,90,.2);animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(242,166,90,.22);}50%{box-shadow:0 0 0 9px rgba(242,166,90,.04);}}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:52px;}
.hero-stat{background:rgba(255,255,255,.1);border:1px solid rgba(142,217,200,.26);border-radius:var(--radius-sm);padding:18px 20px;backdrop-filter:blur(6px);}
.hero-stat b{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em;}
.hero-stat span{font-size:13px;color:rgba(214,242,235,.82);}

/* 通用板块标题 */
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand-700);margin-bottom:14px;}
.kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad-brand);}
.section-head h2{font-size:clamp(1.6rem,3vw,2.35rem);color:var(--brand-900);}
.section-head .lead{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.9;}

/* 卡片 */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.tag{display:inline-flex;align-items:center;padding:3px 12px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600;}
.tag-warm{background:#FCEEDC;color:var(--accent-600);}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.thumbs{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-sm);}
.thumbs-43{aspect-ratio:4/3;}

/* 痛点 */
.pain-card{position:relative;padding:26px 26px 26px 30px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s;box-shadow:var(--shadow-soft);}
.pain-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--grad-brand);}
.pain-card:hover{transform:translateY(-4px);border-color:var(--brand-300);}
.pain-card h3{font-size:17px;color:var(--brand-900);margin-bottom:8px;}
.pain-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}

/* 解决方案 */
.solution-panel{border-radius:var(--radius-lg);background:var(--grad-brand);color:#fff;padding:38px 34px;box-shadow:var(--shadow-hover);height:100%;display:flex;flex-direction:column;justify-content:space-between;gap:24px;}
.solution-panel h3{font-size:22px;font-weight:800;line-height:1.45;}
.solution-panel p{font-size:14.5px;color:rgba(255,255,255,.9);margin-top:12px;}
.solution-wave{display:flex;align-items:flex-end;gap:5px;height:38px;}
.solution-wave i{display:block;width:6px;border-radius:3px;background:rgba(255,255,255,.72);}
.solution-row{display:flex;gap:18px;padding:22px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);transition:transform .25s,border-color .25s,box-shadow .25s;}
.solution-row:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--shadow-soft);}
.solution-icon{flex:none;width:46px;height:46px;border-radius:15px;background:var(--brand-100);color:var(--brand-700);display:grid;place-items:center;font-weight:800;font-size:15px;}
.solution-row h4{font-size:16px;color:var(--brand-900);margin-bottom:6px;}
.solution-row p{font-size:14px;color:var(--muted);line-height:1.8;}

/* 步骤 */
.step-track{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.step-track::before{content:"";position:absolute;left:6%;right:6%;top:26px;height:2px;background:linear-gradient(90deg,var(--brand-300),var(--accent-500));opacity:.55;}
.step-item{position:relative;padding-top:0;}
.step-num{width:52px;height:52px;border-radius:50%;background:var(--surface);border:2px solid var(--brand-300);color:var(--brand-700);display:grid;place-items:center;font-weight:800;font-size:16px;position:relative;z-index:2;margin-bottom:18px;}
.step-item h3{font-size:16.5px;color:var(--brand-900);margin-bottom:8px;}
.step-item p{font-size:14px;color:var(--muted);line-height:1.85;}

/* 数据徽章 */
.badge-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.data-badge{display:flex;gap:14px;align-items:flex-start;padding:22px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);}
.data-badge .dot{width:9px;height:9px;border-radius:50%;background:var(--grad-brand);margin-top:11px;flex:none;}
.data-badge b{display:block;font-size:26px;font-weight:800;color:var(--brand-900);letter-spacing:-.02em;line-height:1.2;}
.data-badge span{font-size:13px;color:var(--muted);}

/* 证言 */
.voice-scroll{display:flex;gap:22px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;}
.voice-scroll::-webkit-scrollbar{height:6px;}
.voice-scroll::-webkit-scrollbar-thumb{background:var(--brand-300);border-radius:999px;}
.voice-card{flex:0 0 320px;scroll-snap-align:start;padding:26px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);transition:transform .25s,border-color .25s;}
.voice-card:hover{transform:translateY(-4px);border-color:var(--brand-300);}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);display:grid;place-items:center;font-weight:800;font-size:15px;flex:none;}
.voice-quote{font-size:14.5px;color:var(--ink);line-height:1.85;}
.voice-wave{display:flex;align-items:center;gap:3px;height:16px;margin-top:16px;}
.voice-wave i{width:3px;border-radius:2px;background:var(--brand-300);}

/* 人群 */
.crowd-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.crowd-big{grid-column:span 2;grid-row:span 2;padding:34px;border-radius:var(--radius-lg);background:var(--grad-brand);color:#fff;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow-hover);min-height:280px;}
.crowd-big h3{font-size:23px;font-weight:800;}
.crowd-big p{font-size:14.5px;color:rgba(255,255,255,.9);margin-top:12px;}
.crowd-small{padding:24px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);transition:transform .25s,border-color .25s;}
.crowd-small:hover{transform:translateY(-4px);border-color:var(--brand-300);}
.crowd-small h4{font-size:16px;color:var(--brand-900);margin:10px 0 8px;}
.crowd-small p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* 场景专题 */
.scene-card{position:relative;overflow:hidden;border-radius:var(--radius-md);border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-soft);transition:transform .25s,border-color .25s,box-shadow .25s;display:flex;flex-direction:column;}
.scene-card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.scene-card .body{padding:20px 22px 24px;}
.scene-card h3{font-size:16.5px;color:var(--brand-900);margin:10px 0 8px;}
.scene-card p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.scene-big .body{padding:26px 28px 30px;}
.scene-big h3{font-size:22px;}

/* 频道入口 */
.channel-row-item{display:flex;align-items:center;gap:22px;padding:26px 28px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);transition:transform .25s,border-color .25s,box-shadow .25s;}
.channel-row-item:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.channel-no{flex:none;width:56px;height:56px;border-radius:18px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;letter-spacing:.02em;}
.channel-arrow{flex:none;margin-left:auto;color:var(--brand-500);font-weight:700;transition:transform .25s;}
.channel-row-item:hover .channel-arrow{transform:translateX(5px);}

/* 安全 */
.check-card{padding:28px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);}
.check-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink);}
.check-item:last-child{border-bottom:0;padding-bottom:0;}
.check-mark{flex:none;width:22px;height:22px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px;}
.safety-block{padding:24px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);transition:transform .25s,border-color .25s;}
.safety-block:hover{transform:translateY(-3px);border-color:var(--brand-300);}
.safety-block h4{font-size:16px;color:var(--brand-900);margin:12px 0 8px;}
.safety-block p{font-size:14px;color:var(--muted);line-height:1.8;}

/* 资讯 */
.news-main{display:block;padding:26px;border-radius:var(--radius-lg);}
.news-main h3{font-size:22px;color:var(--brand-900);margin:14px 0 12px;}
.news-main p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.news-row{display:block;padding:16px 18px;border-radius:var(--radius-sm);border:1px solid transparent;transition:background-color .2s,border-color .2s,transform .2s;}
.news-row:hover{background:var(--surface);border-color:var(--line);transform:translateX(3px);}
.news-row h4{font-size:15px;color:var(--brand-900);margin-bottom:6px;}
.news-row p{font-size:13px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{padding:56px 24px;border-radius:var(--radius-md);border:2px dashed var(--line);text-align:center;color:var(--muted);font-size:14.5px;background:var(--surface);}

/* 数据指标带 */
.metric-band{background:var(--grad-brand);color:#fff;border-radius:var(--radius-lg);padding:44px 36px;box-shadow:var(--shadow-hover);}
.metric-item{padding:8px 6px;}
.metric-item b{display:block;font-size:32px;font-weight:800;letter-spacing:-.02em;line-height:1.2;}
.metric-item span{font-size:13.5px;color:rgba(255,255,255,.88);}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);margin-bottom:12px;overflow:hidden;transition:background-color .2s,border-color .2s;}
.faq-item[open]{background:var(--brand-100);border-color:var(--brand-300);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--brand-900);display:flex;align-items:center;justify-content:space-between;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-plus{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--brand-300);color:var(--brand-700);display:grid;place-items:center;font-size:16px;font-weight:700;transition:transform .25s ease,background-color .25s;}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:#fff;}
.faq-item p{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.85;}
.faq-item summary:focus-visible{outline:3px solid rgba(28,155,132,.4);outline-offset:-3px;}

/* 表单 CTA */
.cta-panel{border-radius:var(--radius-lg);background:var(--grad-brand);padding:52px 44px;color:#fff;box-shadow:var(--shadow-hover);}
.form-card{background:var(--surface);border-radius:var(--radius-md);padding:30px;color:var(--ink);box-shadow:0 24px 46px -28px rgba(0,0,0,.5);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--brand-900);margin-bottom:7px;}
.field input,.field select{width:100%;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;padding:0 14px;font-size:14px;color:var(--ink);transition:border-color .2s,box-shadow .2s;}
.field input:focus,.field select:focus{outline:0;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(28,155,132,.2);}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.75;margin-top:12px;}

/* 页脚 */
.site-footer{background:var(--brand-900);color:#CFE9E1;padding:64px 0 26px;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:10px;font-size:12px;}
.footer-text{font-size:13.5px;line-height:1.9;color:rgba(207,233,225,.78);max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:13.5px;color:rgba(207,233,225,.8);transition:color .2s;}
.footer-list a:hover{color:var(--accent-500);}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(207,233,225,.66);}

/* 移动端抽屉 */
.drawer{position:fixed;inset:0;z-index:80;display:none;}
.drawer.open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(11,59,51,.45);backdrop-filter:blur(2px);}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--bg);padding:22px;overflow-y:auto;box-shadow:-20px 0 50px -30px rgba(0,0,0,.6);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-link{display:block;padding:13px 4px;font-size:15px;color:var(--brand-900);border-bottom:1px solid var(--line);}
.drawer-link:hover{color:var(--brand-700);}

@media (max-width:1023px){
  .search-box{display:none;}
  .hot-link{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .crowd-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .crowd-big{grid-column:span 2;grid-row:auto;min-height:auto;}
  .badge-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-track{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .step-track::before{display:none;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  section{padding:56px 0;}
  .hero{padding:64px 0 52px;}
  .brand-logo .full{display:none;}
  .brand-logo .short{display:inline;}
  .hero-stats{grid-template-columns:1fr;gap:12px;margin-top:34px;}
  .metric-band,.cta-panel{border-radius:var(--radius-md);padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .voice-card{flex:0 0 84vw;}
}
@media (max-width:519px){
  .crowd-grid{grid-template-columns:1fr;}
  .crowd-big{grid-column:span 1;}
  .badge-grid{grid-template-columns:1fr;}
  .step-track{grid-template-columns:1fr;}
  .hero h1{font-size:1.85rem;}
  .btn{width:100%;}
  .btn-inline{width:auto;}
}

/* roulang page: article */
:root{
  --bg:#FBF7F0; --surface:#FFFFFF; --surface-2:#F3EEE5;
  --ink:#172A26; --muted:#5E6B67; --line:#E7DED2;
  --brand-900:#0B3B33; --brand-700:#0B6E5F; --brand-500:#1C9B84;
  --brand-300:#8ED9C8; --brand-100:#E6F4EF;
  --accent-500:#F2A65A; --accent-600:#D9822B; --rose-500:#E8657A;
  --grad-brand:linear-gradient(135deg,#0B6E5F 0%,#2FAF96 45%,#F2A65A 100%);
  --grad-soft:radial-gradient(58% 68% at 10% 6%,rgba(28,155,132,.16),transparent 62%),radial-gradient(52% 64% at 92% 14%,rgba(242,166,90,.20),transparent 60%);
  --shadow-soft:0 20px 44px -28px rgba(11,59,51,.42);
  --shadow-hover:0 28px 52px -24px rgba(11,59,51,.44);
  --radius-lg:32px; --radius-md:24px; --radius-sm:18px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
::selection{background:var(--brand-300);color:var(--brand-900);}
:focus-visible{outline:3px solid rgba(28,155,132,.5);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
section{position:relative;padding:88px 0;}
.sec-white{background:var(--surface);}
.sec-cream{background:var(--bg);}
.sec-tint{background:var(--brand-100);}
.sec-soft{background:var(--surface-2);}
.divider-wave{height:14px;width:100%;background-image:repeating-linear-gradient(90deg,var(--brand-300) 0 2px,transparent 2px 9px);opacity:.5;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,240,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 14px 30px -24px rgba(11,59,51,.6);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;transition:height .25s ease;}
.site-header.is-scrolled .brand-row{height:56px;}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--brand-900);letter-spacing:-.02em;white-space:nowrap;}
.brand-mark{width:32px;height:32px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;letter-spacing:0;flex:none;}
.brand-logo .short{display:none;}
.brand-nav{display:flex;align-items:center;gap:14px;}
.search-box{display:flex;align-items:center;gap:8px;width:320px;max-width:34vw;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);transition:border-color .2s,box-shadow .2s;}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(28,155,132,.22);}
.search-box svg{flex:none;color:var(--muted);}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#93A19C;}
.channel-row{display:flex;align-items:center;gap:6px;height:44px;border-top:1px solid var(--line);overflow-x:auto;scrollbar-width:none;}
.channel-row::-webkit-scrollbar{display:none;}
.channel-link{position:relative;display:inline-flex;align-items:center;height:100%;padding:0 14px;font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;border-radius:10px;transition:color .2s,background-color .2s;}
.channel-link:hover{color:var(--brand-700);background:var(--brand-100);}
.channel-link.active{color:var(--brand-900);}
.channel-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;border-radius:999px;background:var(--grad-brand);}
.menu-toggle{display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:var(--surface);color:var(--brand-900);cursor:pointer;align-items:center;justify-content:center;transition:border-color .2s,background-color .2s;}
.menu-toggle:hover{border-color:var(--brand-300);background:var(--brand-100);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);}
.mobile-panel.open{display:block;}
.mobile-panel-inner{padding:18px 32px 26px;display:grid;gap:14px;}
.mobile-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--bg);}
.mobile-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;}
.mobile-channels{display:grid;gap:6px;}
.mobile-channels a{padding:12px 14px;border-radius:14px;font-size:15px;font-weight:600;color:var(--ink);background:var(--bg);border:1px solid var(--line);}
.mobile-channels a:hover{color:var(--brand-700);border-color:var(--brand-300);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background-color .22s ease,color .22s ease;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 16px 32px -18px rgba(11,110,95,.85);}
.btn-primary:hover{transform:translateY(-3px);filter:brightness(1.06);box-shadow:0 22px 40px -18px rgba(11,110,95,.72);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--brand-900);border-color:var(--line);}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--shadow-soft);color:var(--brand-700);}
.btn-ghost:active{transform:translateY(0);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);padding-bottom:2px;border-bottom:1.5px solid var(--brand-300);transition:color .2s,border-color .2s;}
.btn-link:hover{color:var(--accent-600);border-color:var(--accent-500);}
.btn-block{width:100%;}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;background:var(--brand-100);color:var(--brand-700);border:1px solid rgba(28,155,132,.22);}
.tag-warm{background:rgba(242,166,90,.18);color:var(--accent-600);border-color:rgba(242,166,90,.4);}
.tag-line{background:transparent;color:var(--muted);border-color:var(--line);}
.badge-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.data-badge{display:flex;gap:12px;align-items:flex-start;padding:18px 20px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);}
.data-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand);margin-top:11px;flex:none;}
.data-badge b{display:block;font-size:24px;line-height:1.2;font-weight:800;color:var(--brand-900);letter-spacing:-.02em;}
.data-badge span{display:block;font-size:13px;color:var(--muted);line-height:1.6;margin-top:2px;}

/* ---------- 文章头部 ---------- */
.article-hero{padding:40px 0 72px;background:var(--grad-soft),var(--bg);border-bottom:1px solid var(--line);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-700);}
.crumbs .sep{color:#C3B9AB;}
.crumbs .current{color:var(--brand-900);font-weight:600;}
.article-title{font-size:clamp(1.9rem,3.9vw,3.1rem);line-height:1.32;font-weight:800;color:var(--brand-900);letter-spacing:-.02em;margin:18px 0 20px;max-width:22em;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C3B9AB;}
.cover-figure{position:relative;margin:36px 0 0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft);aspect-ratio:16/9;background:var(--surface-2);}
.cover-figure img{width:100%;height:100%;object-fit:cover;}
.cover-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 26px;font-size:13px;color:#EAF6F2;background:linear-gradient(180deg,transparent,rgba(11,59,51,.86));}

/* ---------- 要点卡 ---------- */
.kp-card{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:34px 38px;box-shadow:var(--shadow-soft);}
.kp-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--grad-brand);}
.kp-card h2{font-size:1.35rem;color:var(--brand-900);margin:0 0 14px;}
.kp-card p{margin:0 0 22px;color:#243B36;line-height:1.95;}
.kp-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.kp-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--muted);}
.kp-list .num{flex:none;width:24px;height:24px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:800;display:grid;place-items:center;margin-top:5px;}

/* ---------- 正文阅读区 ---------- */
.article-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:56px;align-items:start;}
.article-toc{position:sticky;top:124px;display:grid;gap:16px;}
.toc-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 22px;box-shadow:var(--shadow-soft);}
.toc-box h3{margin:0 0 12px;font-size:13px;letter-spacing:.12em;color:var(--brand-700);font-weight:700;}
.toc-box ul{list-style:none;margin:0;padding:0;display:grid;gap:4px;}
.toc-box a{display:block;padding:8px 10px;border-radius:10px;font-size:13.5px;color:var(--muted);}
.toc-box a:hover{background:var(--brand-100);color:var(--brand-700);}
.toc-note{background:var(--brand-900);color:#D6F2EB;border-radius:var(--radius-sm);padding:22px;font-size:13px;line-height:1.8;}
.toc-note b{display:block;color:#fff;font-size:14px;margin-bottom:8px;}
.article-body{max-width:720px;font-size:16px;line-height:1.95;color:var(--ink);}
.article-body h2{font-size:clamp(1.35rem,2.4vw,1.7rem);line-height:1.5;color:var(--brand-900);margin:46px 0 16px;padding-left:16px;border-left:4px solid var(--brand-500);}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:1.15rem;color:var(--brand-900);margin:32px 0 12px;}
.article-body p{margin:0 0 18px;color:#243B36;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px;}
.article-body li{margin-bottom:10px;color:#243B36;}
.article-body blockquote{margin:30px 0;padding:24px 28px;background:var(--brand-100);border-radius:var(--radius-sm);color:var(--brand-900);position:relative;font-size:15.5px;}
.article-body img{border-radius:20px;margin:26px 0;border:1px solid var(--line);}
.article-body a{color:var(--brand-700);border-bottom:1px solid var(--brand-300);}
.article-body a:hover{color:var(--accent-600);border-color:var(--accent-500);}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:14.5px;border-radius:14px;overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--brand-100);color:var(--brand-900);}
.empty-state{background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-md);padding:56px 36px;text-align:center;}
.empty-state h2{margin:0 0 12px;color:var(--brand-900);font-size:1.3rem;}
.empty-state p{margin:0 0 24px;color:var(--muted);}

/* ---------- 安全提示 & 数据 ---------- */
.safe-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:32px 36px;box-shadow:var(--shadow-soft);}
.safe-card h2{font-size:1.3rem;color:var(--brand-900);margin:0 0 12px;}
.safe-card p{margin:0 0 24px;color:var(--muted);}
.safe-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.safe-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#243B36;padding:14px 16px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);}
.safe-list .check{flex:none;width:22px;height:22px;border-radius:50%;background:var(--grad-brand);color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center;margin-top:3px;}

/* ---------- 作者 ---------- */
.author-card{display:flex;gap:22px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:30px 32px;box-shadow:var(--shadow-soft);}
.author-avatar{width:64px;height:64px;border-radius:50%;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:800;flex:none;}
.author-card h3{margin:0 0 6px;font-size:1.05rem;color:var(--brand-900);}
.author-card p{margin:0 0 10px;font-size:14px;color:var(--muted);line-height:1.85;}
.author-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--muted);}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{display:flex;flex-direction:column;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.post-card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{margin:0;font-size:1.02rem;line-height:1.55;color:var(--brand-900);}
.post-card p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.75;flex:1;}
.post-card .meta{font-size:12.5px;color:#93A19C;display:flex;gap:10px;align-items:center;}

/* ---------- 上下篇 ---------- */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.pager-item{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 24px;transition:border-color .2s,box-shadow .2s,transform .2s;}
.pager-item:hover{border-color:var(--brand-300);box-shadow:var(--shadow-soft);transform:translateY(-2px);}
.pager-item .k{font-size:12.5px;color:var(--muted);letter-spacing:.1em;display:block;margin-bottom:6px;}
.pager-item .t{font-size:15px;font-weight:700;color:var(--brand-900);line-height:1.55;}
.safe-strip{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-top:26px;padding:18px 24px;border-radius:999px;background:var(--brand-100);border:1px solid rgba(28,155,132,.22);font-size:13.5px;color:var(--brand-900);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#CFE9E2;padding:72px 0 0;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-text{font-size:13.5px;line-height:1.9;color:#A9CFC6;margin:0;max-width:34em;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-list a{font-size:13.5px;color:#A9CFC6;transition:color .2s;}
.footer-list a:hover{color:var(--brand-300);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid rgba(142,217,200,.22);padding:22px 0 28px;font-size:12.5px;color:#8FBDB2;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:36px;}
  .article-toc{position:static;order:2;grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .search-box{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-cta{display:none;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  section{padding:56px 0;}
  .article-hero{padding:28px 0 52px;}
  .badge-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .kp-card{padding:26px 24px;}
  .safe-card{padding:24px 22px;}
  .author-card{flex-direction:column;gap:16px;padding:24px 22px;}
  .pager{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .brand-logo .full{display:none;}
  .brand-logo .short{display:inline;}
  .mobile-panel-inner{padding:16px 20px 24px;}
  .safe-strip{border-radius:var(--radius-sm);}
}
@media (max-width:520px){
  .related-grid{grid-template-columns:1fr;}
  .cover-figure figcaption{font-size:12px;padding:16px 18px;}
  .meta-row{font-size:12.5px;}
  .btn{width:100%;}
  .btn-link{width:auto;}
}

/* roulang page: category1 */
:root{
  --bg:#FBF7F0; --surface:#FFFFFF; --surface-2:#F3EEE5;
  --ink:#172A26; --muted:#5E6B67; --line:#E7DED2;
  --brand-900:#0B3B33; --brand-700:#0B6E5F; --brand-500:#1C9B84;
  --brand-300:#8ED9C8; --brand-100:#E6F4EF;
  --accent-500:#F2A65A; --accent-600:#D9822B; --rose-500:#E8657A;
  --grad-brand:linear-gradient(135deg,#0B6E5F 0%,#2FAF96 45%,#F2A65A 100%);
  --grad-soft:radial-gradient(58% 68% at 10% 6%,rgba(28,155,132,.16),transparent 62%),radial-gradient(52% 64% at 92% 14%,rgba(242,166,90,.20),transparent 60%);
  --shadow-soft:0 20px 44px -28px rgba(11,59,51,.42);
  --shadow-hover:0 28px 52px -24px rgba(11,59,51,.44);
  --radius-lg:32px; --radius-md:24px; --radius-sm:18px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
section{position:relative;padding:88px 0;}
.sec-white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-cream{background:var(--bg);}
.sec-mint{background:linear-gradient(180deg,#EFF8F4 0%,#E6F4EF 100%);}
.divider-wave{height:12px;width:100%;background-image:repeating-linear-gradient(90deg,var(--brand-300) 0 2px,transparent 2px 10px);opacity:.5;}
/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(251,247,240,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 14px 30px -24px rgba(11,59,51,.6);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;transition:height .25s ease;}
.site-header.is-scrolled .brand-row{height:56px;}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--brand-900);letter-spacing:-.02em;white-space:nowrap;}
.brand-mark{width:32px;height:32px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;letter-spacing:0;flex:none;}
.brand-logo .short{display:none;}
.head-tools{display:flex;align-items:center;gap:12px;}
.search-box{display:flex;align-items:center;gap:8px;width:320px;max-width:32vw;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);transition:border-color .2s,box-shadow .2s;}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(28,155,132,.22);}
.search-box svg{flex:none;color:var(--muted);}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#93A19C;}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;color:var(--brand-900);}
.menu-toggle:focus-visible{outline:3px solid rgba(28,155,132,.45);outline-offset:2px;}
.channel-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:44px;border-top:1px solid var(--line);}
.channel-row{display:flex;align-items:center;gap:6px;height:44px;overflow-x:auto;scrollbar-width:none;}
.channel-row::-webkit-scrollbar{display:none;}
.channel-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:14px;color:var(--muted);white-space:nowrap;transition:color .2s ease;}
.channel-link::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:2px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;}
.channel-link:hover{color:var(--brand-700);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.active{color:var(--brand-900);font-weight:700;}
.channel-link.active::after{transform:scaleX(1);}
.channel-link:focus-visible{outline:3px solid rgba(28,155,132,.45);outline-offset:-4px;border-radius:10px;}
.hot-words{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);white-space:nowrap;}
.hot-words .hot-label{color:var(--brand-700);font-weight:700;}
.hot-words a{color:var(--muted);border-bottom:1px dashed transparent;transition:color .2s,border-color .2s;}
.hot-words a:hover{color:var(--brand-700);border-color:var(--brand-300);}
.nav-scrim{position:fixed;inset:0;background:rgba(11,59,51,.42);opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:65;}
.nav-scrim.open{opacity:1;pointer-events:auto;}
/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 16px 32px -18px rgba(11,110,95,.85);}
.btn-primary:hover{transform:translateY(-3px);filter:brightness(1.06);box-shadow:0 22px 40px -18px rgba(11,110,95,.72);}
.btn-primary:active{transform:translateY(0);}
.btn-primary:focus-visible{outline:3px solid rgba(28,155,132,.5);outline-offset:3px;}
.btn-ghost{background:var(--surface);color:var(--brand-900);border-color:var(--line);}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--shadow-soft);color:var(--brand-700);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:3px solid rgba(28,155,132,.4);outline-offset:3px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);padding-bottom:2px;border-bottom:1.5px solid var(--brand-300);transition:color .2s,border-color .2s;}
.btn-link:hover{color:var(--accent-600);border-color:var(--accent-500);}
/* ---------- 分类头 ---------- */
.cat-head{position:relative;overflow:hidden;padding:56px 0 64px;background:var(--grad-soft),var(--bg);border-bottom:1px solid var(--line);}
.cat-head::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(28,155,132,.16),transparent 68%);pointer-events:none;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--brand-700);transition:color .2s;}
.breadcrumb a:hover{color:var(--accent-600);}
.breadcrumb .sep{color:#B9C4BF;}
.breadcrumb .current{color:var(--muted);}
.cat-head-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:44px;align-items:center;margin-top:26px;}
.cat-title{font-size:clamp(1.85rem,3.6vw,2.9rem);font-weight:800;color:var(--brand-900);letter-spacing:-.02em;line-height:1.32;margin:16px 0 18px;}
.cat-lead{font-size:16px;color:var(--muted);line-height:1.95;max-width:640px;}
.cat-cover{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid var(--line);}
.cat-cover img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.cat-cover .cover-tag{position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:rgba(11,59,51,.78);color:#EAF6F2;font-size:12.5px;letter-spacing:.04em;backdrop-filter:blur(6px);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;color:var(--brand-700);text-transform:uppercase;}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand);}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.stat-badge{display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);}
.stat-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand);flex:none;}
.stat-badge b{font-size:18px;color:var(--brand-900);font-weight:800;letter-spacing:-.01em;}
.stat-badge span{font-size:12.5px;color:var(--muted);}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.anchor-nav a{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:13.5px;color:var(--brand-700);transition:transform .2s,border-color .2s,box-shadow .2s,color .2s;}
.anchor-nav a:hover{transform:translateY(-2px);border-color:var(--brand-300);color:var(--brand-900);box-shadow:var(--shadow-soft);}
.anchor-nav a:focus-visible{outline:3px solid rgba(28,155,132,.45);outline-offset:2px;}
/* ---------- 场景标签条 ---------- */
.tag-strip{display:flex;flex-wrap:wrap;gap:12px;padding:22px;border-radius:var(--radius-md);background:var(--surface-2);border:1px dashed #D9CFC0;}
.tag-chip{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:13.5px;color:var(--brand-900);transition:transform .2s,border-color .2s,background-color .2s,color .2s;}
.tag-chip:hover{transform:translateY(-2px);border-color:var(--brand-300);background:var(--brand-100);color:var(--brand-700);}
.tag-chip:focus-visible{outline:3px solid rgba(28,155,132,.45);outline-offset:2px;}
.tag-chip .num{font-size:11.5px;color:var(--muted);letter-spacing:.08em;}
/* ---------- 板块标题 ---------- */
.section-head{max-width:780px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(1.55rem,2.9vw,2.25rem);color:var(--brand-900);line-height:1.4;letter-spacing:-.01em;}
.section-head .lead{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.9;}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--brand-700);text-transform:uppercase;margin-bottom:12px;}
.kicker .bar{width:26px;height:2px;background:var(--grad-brand);border-radius:2px;}
/* ---------- 场景卡片 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;}
.scene-card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.scene-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);opacity:.85;}
.scene-card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.scene-card .thumb{position:relative;overflow:hidden;}
.scene-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.scene-card:hover .thumb img{transform:scale(1.04);}
.scene-card .thumb .wave{position:absolute;right:14px;top:14px;display:flex;align-items:flex-end;gap:3px;padding:8px 10px;border-radius:12px;background:rgba(11,59,51,.62);backdrop-filter:blur(4px);}
.scene-card .thumb .wave i{display:block;width:3px;border-radius:2px;background:#8ED9C8;}
.scene-card .thumb .wave i:nth-child(1){height:8px;}
.scene-card .thumb .wave i:nth-child(2){height:14px;}
.scene-card .thumb .wave i:nth-child(3){height:10px;}
.scene-card .thumb .wave i:nth-child(4){height:17px;}
.scene-card .body{display:flex;flex-direction:column;gap:12px;padding:24px;flex:1;}
.scene-card .tagline{display:flex;flex-wrap:wrap;gap:8px;}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;background:var(--brand-100);color:var(--brand-700);border:1px solid rgba(28,155,132,.16);}
.pill.warm{background:#FDF0E2;color:var(--accent-600);border-color:rgba(242,166,90,.28);}
.scene-card h3{font-size:1.18rem;color:var(--brand-900);line-height:1.5;}
.scene-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.scene-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}
.scene-card.big{grid-column:span 6;}
.scene-card.small{grid-column:span 3;}
.scene-card.big .thumb img{aspect-ratio:16/9;}
.scene-card.big h3{font-size:1.42rem;}
.list-foot{display:flex;justify-content:center;margin-top:44px;}
/* ---------- 方法步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.step-card{position:relative;padding:32px 26px 28px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.step-card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.step-num{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:16px;background:var(--grad-brand);color:#fff;font-weight:800;font-size:16px;letter-spacing:.02em;margin-bottom:18px;}
.step-card h3{font-size:1.15rem;color:var(--brand-900);margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.step-card .step-note{display:inline-flex;margin-top:16px;font-size:12.5px;color:var(--brand-700);background:var(--brand-100);border-radius:999px;padding:5px 12px;}
/* ---------- 安全边界 ---------- */
.safety-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:36px;align-items:start;}
.check-card{position:sticky;top:132px;padding:32px 28px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-hover);}
.check-card h3{font-size:1.22rem;color:var(--brand-900);margin-bottom:8px;}
.check-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink);line-height:1.8;}
.check-list .ck{flex:none;width:22px;height:22px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px;}
.safety-block{display:flex;flex-direction:column;gap:18px;}
.safety-item{display:flex;gap:18px;padding:22px;border-radius:var(--radius-md);background:var(--surface-2);border:1px solid transparent;transition:border-color .25s ease,background-color .25s ease;}
.safety-item:hover{border-color:var(--brand-300);background:#F8F3EA;}
.safety-item .ico{flex:none;width:48px;height:48px;border-radius:16px;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;color:var(--brand-700);}
.safety-item h3{font-size:1.05rem;color:var(--brand-900);margin-bottom:6px;}
.safety-item p{font-size:14px;color:var(--muted);line-height:1.85;}
/* ---------- 数据指标 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.metric-card{padding:28px 24px;border-radius:var(--radius-md);background:var(--surface);border:1px solid rgba(28,155,132,.22);box-shadow:var(--shadow-soft);transition:transform .25s ease,box-shadow .25s ease;}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.metric-card b{display:block;font-size:clamp(1.7rem,2.6vw,2.2rem);font-weight:800;color:var(--brand-900);letter-spacing:-.02em;line-height:1.2;}
.metric-card span{display:block;margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.7;}
.metric-foot{margin-top:26px;font-size:13.5px;color:var(--muted);}
/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:44px;align-items:start;}
.faq-grid .faq-aside{position:sticky;top:132px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--surface);overflow:hidden;transition:border-color .25s ease,background-color .25s ease,box-shadow .25s ease;}
.faq-item[open]{background:var(--brand-100);border-color:var(--brand-300);box-shadow:var(--shadow-soft);}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:15.5px;font-weight:600;color:var(--brand-900);cursor:pointer;list-style:none;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:focus-visible{outline:3px solid rgba(28,155,132,.45);outline-offset:-3px;}
.faq-item .sign{flex:none;position:relative;width:22px;height:22px;}
.faq-item .sign::before,.faq-item .sign::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);border-radius:2px;transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;}
.faq-item .sign::before{width:13px;height:2px;}
.faq-item .sign::after{width:2px;height:13px;}
.faq-item[open] .sign::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-item .answer{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.9;}
/* ---------- 相关文章 ---------- */
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.article-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.article-card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.article-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.article-card .abody{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.article-card h3{font-size:1.06rem;color:var(--brand-900);line-height:1.55;}
.article-card p{font-size:14px;color:var(--muted);line-height:1.8;}
.article-card .ameta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}
.article-card .ameta .alink{color:var(--brand-700);font-weight:600;transition:color .2s;}
.article-card .ameta .alink:hover{color:var(--accent-600);}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#CFE9E1;padding:64px 0 26px;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .9fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:10px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;flex:none;}
.footer-text{font-size:13.5px;line-height:1.95;color:#A8CBC1;max-width:400px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{font-size:13.5px;color:#A8CBC1;border-bottom:1px solid transparent;transition:color .2s,border-color .2s;}
.footer-list a:hover{color:#8ED9C8;border-color:rgba(142,217,200,.5);}
.footer-list a:focus-visible{outline:3px solid rgba(142,217,200,.5);outline-offset:2px;border-radius:6px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:44px;padding-top:20px;border-top:1px solid rgba(142,217,200,.18);font-size:12.5px;color:#87ADA4;}
/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  section{padding:68px 0;}
  .search-box{display:none;}
  .head-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand-logo .full{display:none;}
  .brand-logo .short{display:inline;}
  .channel-wrap{position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);height:auto;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:18px;padding:92px 22px 32px;background:var(--surface);border-top:0;border-left:1px solid var(--line);box-shadow:-24px 0 60px -30px rgba(11,59,51,.5);transform:translateX(105%);transition:transform .3s ease;z-index:70;overflow-y:auto;}
  .channel-wrap.open{transform:translateX(0);}
  .channel-row{flex-direction:column;align-items:stretch;height:auto;gap:4px;overflow:visible;}
  .channel-link{height:auto;padding:12px 14px;border-radius:12px;font-size:15px;}
  .channel-link::after{display:none;}
  .channel-link.active{background:var(--brand-100);}
  .hot-words{flex-wrap:wrap;white-space:normal;padding-top:16px;border-top:1px solid var(--line);}
  .cat-head-grid{grid-template-columns:1fr;gap:32px;}
  .cat-cover img{aspect-ratio:16/9;}
  .scene-card.big{grid-column:span 12;}
  .scene-card.small{grid-column:span 6;}
  .steps{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .check-card{position:static;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-grid .faq-aside{position:static;}
  .article-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  section{padding:56px 0;}
  .cat-head{padding:40px 0 48px;}
  .brand-logo{font-size:15px;}
  .badge-row{gap:10px;}
  .stat-badge{padding:10px 14px;}
  .stat-badge b{font-size:16px;}
  .scene-card.small{grid-column:span 12;}
  .scene-card .body{padding:20px;}
  .metric-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .list-foot .btn{width:auto;}
  .check-card{padding:24px 20px;}
  .safety-item{padding:18px;}
}

/* roulang page: category2 */
:root{
  --bg:#FBF7F0; --surface:#FFFFFF; --surface-2:#F3EEE5;
  --ink:#172A26; --muted:#5E6B67; --line:#E7DED2;
  --brand-900:#0B3B33; --brand-700:#0B6E5F; --brand-500:#1C9B84;
  --brand-300:#8ED9C8; --brand-100:#E6F4EF;
  --accent-500:#F2A65A; --accent-600:#D9822B; --rose-500:#E8657A;
  --grad-brand:linear-gradient(135deg,#0B6E5F 0%,#2FAF96 45%,#F2A65A 100%);
  --grad-soft:radial-gradient(58% 68% at 10% 6%,rgba(28,155,132,.16),transparent 62%),radial-gradient(52% 64% at 92% 14%,rgba(242,166,90,.20),transparent 60%);
  --shadow-soft:0 20px 44px -28px rgba(11,59,51,.42);
  --shadow-hover:0 28px 52px -24px rgba(11,59,51,.44);
  --radius-lg:32px; --radius-md:24px; --radius-sm:18px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(28,155,132,.45);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
section{position:relative;padding:88px 0;}
.sec-alt{background:var(--surface);}
.sec-warm{background:var(--surface-2);}
.sec-mint{background:var(--brand-100);}
.divider-wave{height:14px;width:100%;background-image:repeating-linear-gradient(90deg,var(--brand-300) 0 2px,transparent 2px 9px);opacity:.5;}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,240,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 14px 30px -24px rgba(11,59,51,.6);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;transition:height .25s ease;}
.site-header.is-scrolled .brand-row{height:56px;}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--brand-900);letter-spacing:-.02em;white-space:nowrap;}
.brand-mark{width:32px;height:32px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;flex:none;}
.brand-logo .short{display:none;}
.search-box{display:flex;align-items:center;gap:8px;width:320px;max-width:34vw;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);transition:border-color .2s,box-shadow .2s;}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(28,155,132,.22);}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#93A19C;}
.brand-nav{display:flex;align-items:center;gap:14px;}
.nav-hot{font-size:13px;color:var(--muted);white-space:nowrap;}
.nav-hot:hover{color:var(--brand-700);}
.channel-row{display:flex;align-items:center;gap:6px;height:44px;border-top:1px solid var(--line);overflow-x:auto;scrollbar-width:none;}
.channel-row::-webkit-scrollbar{display:none;}
.channel-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 16px;font-size:14px;color:var(--muted);white-space:nowrap;transition:color .2s;}
.channel-link:hover{color:var(--brand-700);}
.channel-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.active{color:var(--brand-900);font-weight:700;}
.channel-link.active::after{transform:scaleX(1);}
.menu-btn{display:none;align-items:center;justify-content:center;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--brand-900);font-size:14px;font-weight:600;cursor:pointer;}
.menu-btn:hover{border-color:var(--brand-300);color:var(--brand-700);}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(11,59,51,.42);opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:70;}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:var(--surface);z-index:80;transform:translateX(102%);transition:transform .3s ease;box-shadow:-24px 0 60px -30px rgba(11,59,51,.65);padding:22px;display:flex;flex-direction:column;gap:18px;overflow:auto;}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);color:var(--brand-900);font-size:16px;cursor:pointer;}
.drawer-search{display:flex;gap:8px;height:44px;padding:0 14px;border-radius:14px;border:1px solid var(--line);background:var(--surface-2);align-items:center;}
.drawer-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;}
.drawer-title{font-size:12px;letter-spacing:.16em;color:var(--muted);}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{padding:11px 14px;border-radius:14px;font-size:15px;color:var(--ink);border:1px solid transparent;transition:background .2s,color .2s,border-color .2s;}
.drawer-links a:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-300);}
.drawer-links a.active{background:var(--brand-100);color:var(--brand-900);font-weight:700;border-color:var(--brand-300);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 16px 32px -18px rgba(11,110,95,.85);}
.btn-primary:hover{transform:translateY(-3px);filter:brightness(1.06);box-shadow:0 22px 40px -18px rgba(11,110,95,.72);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--brand-900);border-color:var(--line);}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--shadow-soft);color:var(--brand-700);}
.btn-ghost:active{transform:translateY(0);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);padding-bottom:2px;border-bottom:1.5px solid var(--brand-300);transition:color .2s,border-color .2s;}
.btn-link:hover{color:var(--accent-600);border-color:var(--accent-500);}

/* 分类头部 */
.cat-hero{background-color:var(--bg);background-image:var(--grad-soft);padding:32px 0 64px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-700);border-bottom:1px solid var(--brand-300);}
.breadcrumb .sep{color:var(--brand-300);}
.breadcrumb .now{color:var(--ink);font-weight:600;}
.cat-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:center;margin-top:26px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;color:var(--brand-700);font-weight:700;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand);}
.cat-title{font-size:clamp(1.75rem,3.4vw,2.6rem);font-weight:800;line-height:1.35;color:var(--brand-900);margin:14px 0 16px;letter-spacing:-.015em;}
.cat-lead{font-size:15.5px;line-height:1.95;color:var(--muted);max-width:640px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;font-size:12.5px;color:var(--brand-700);background:var(--brand-100);border:1px solid rgba(28,155,132,.22);}
.chip-warm{background:#FDF1E4;color:var(--accent-600);border-color:rgba(242,166,90,.35);}
.progress-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:26px;max-width:640px;}
.progress-step{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:16px;padding:12px 14px;}
.progress-step b{display:block;font-size:12px;color:var(--brand-700);letter-spacing:.08em;}
.progress-step span{font-size:13.5px;color:var(--ink);font-weight:600;}
.cat-visual{position:relative;}
.cat-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);}
.cat-visual .float-badge{position:absolute;left:-14px;bottom:20px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:12px 18px;box-shadow:var(--shadow-soft);}
.cat-visual .float-badge b{display:block;font-size:20px;color:var(--brand-900);line-height:1.2;}
.cat-visual .float-badge span{font-size:12px;color:var(--muted);}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:22px;border-top:1px dashed var(--line);}
.anchor-nav a{font-size:13.5px;color:var(--muted);padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);transition:all .2s;}
.anchor-nav a:hover{color:var(--brand-700);border-color:var(--brand-300);background:var(--brand-100);}

/* 板块标题 */
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(1.55rem,2.7vw,2.25rem);color:var(--brand-900);letter-spacing:-.01em;line-height:1.4;}
.sec-head .lead{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.9;}
.sec-head .kicker{font-size:12.5px;letter-spacing:.16em;color:var(--brand-700);font-weight:700;}

/* 路径卡 */
.path-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.path-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 22px;box-shadow:var(--shadow-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.path-card::before{content:"";position:absolute;left:22px;right:22px;top:0;height:2px;border-radius:2px;background:var(--grad-brand);opacity:.9;}
.path-card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.path-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--brand-100);color:var(--brand-700);font-weight:800;font-size:14px;letter-spacing:.02em;}
.path-card h3{font-size:1.05rem;margin:14px 0 8px;color:var(--brand-900);}
.path-card p{font-size:14px;color:var(--muted);line-height:1.85;}

/* 通用卡片 */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}

/* 指南卡 */
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.guide-card{display:flex;flex-direction:column;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.guide-card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.guide-thumb{position:relative;overflow:hidden;}
.guide-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.guide-card:hover .guide-thumb img{transform:scale(1.04);}
.guide-thumb .tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand-700);font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;border:1px solid rgba(28,155,132,.2);}
.guide-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.guide-body h3{font-size:1.05rem;color:var(--brand-900);line-height:1.55;}
.guide-body p{font-size:14px;color:var(--muted);line-height:1.85;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.tag-soft{font-size:12px;color:var(--muted);background:var(--surface-2);border:1px solid var(--line);padding:4px 11px;border-radius:999px;}
.tag-soft.level{color:var(--brand-700);background:var(--brand-100);border-color:rgba(28,155,132,.24);}
.guide-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);}
.more-row{display:flex;justify-content:center;margin-top:44px;}

/* 清单 */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;}
.check-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-soft);}
.check-card h3{font-size:1.15rem;color:var(--brand-900);margin-bottom:6px;}
.check-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.list-check{display:flex;flex-direction:column;gap:14px;}
.list-check li{display:flex;gap:12px;font-size:14.5px;color:var(--ink);line-height:1.8;}
.check-dot{flex:none;width:24px;height:24px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px;border:1px solid rgba(28,155,132,.28);}
.side-note{background:var(--brand-100);border:1px solid rgba(28,155,132,.24);border-radius:var(--radius-md);padding:26px;}
.side-note h3{font-size:1.05rem;color:var(--brand-900);margin-bottom:10px;}
.side-note p{font-size:14px;color:#245850;line-height:1.9;}

/* 正反示例 */
.example-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.example-card{border-radius:var(--radius-md);padding:28px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-soft);}
.example-card.do{border-top:3px solid var(--brand-500);}
.example-card.dont{border-top:3px solid var(--rose-500);}
.example-card h3{font-size:1.08rem;color:var(--brand-900);margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.example-card .dot{width:10px;height:10px;border-radius:50%;background:var(--brand-500);}
.example-card.dont .dot{background:var(--rose-500);}
.example-list{display:flex;flex-direction:column;gap:12px;}
.example-list li{font-size:14.5px;line-height:1.85;color:var(--muted);padding-left:16px;position:relative;}
.example-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand-300);}
.example-card.dont .example-list li::before{background:#F3B7C1;}

/* 数据徽章 */
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat-badge{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow-soft);}
.stat-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand);display:inline-block;margin-right:8px;}
.stat-badge b{display:block;font-size:26px;color:var(--brand-900);line-height:1.3;letter-spacing:-.02em;margin-top:8px;}
.stat-badge span{font-size:13px;color:var(--muted);}
.verify-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:start;margin-top:36px;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start;}
.faq-item{border-bottom:1px solid var(--line);transition:background .2s ease,border-color .2s ease;}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:15.5px;font-weight:600;color:var(--brand-900);cursor:pointer;list-style:none;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:16px;color:var(--brand-700);transition:transform .25s ease,background .25s ease;}
.faq-item[open]{background:var(--brand-100);border-color:var(--brand-300);border-radius:16px;padding:0 18px;}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--surface);}
.faq-item p{font-size:14.5px;color:var(--muted);line-height:1.9;padding:0 0 20px;max-width:620px;}

/* 相关文章 */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.article-card{display:flex;flex-direction:column;overflow:hidden;}
.article-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.article-card h3{font-size:1.02rem;color:var(--brand-900);line-height:1.55;}
.article-card p{font-size:14px;color:var(--muted);line-height:1.85;}
.article-card .meta{display:flex;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}

/* 页脚 */
.site-footer{position:relative;background:var(--brand-900);color:#CFE9E2;padding:66px 0 26px;margin-top:0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-brand);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-text{font-size:13.5px;line-height:1.9;color:rgba(207,233,226,.82);max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:9px;}
.footer-list a{font-size:13.5px;color:rgba(207,233,226,.8);transition:color .2s,border-color .2s;}
.footer-list a:hover{color:#fff;border-bottom:1px solid var(--brand-300);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:20px;border-top:1px solid rgba(142,217,200,.22);font-size:12.5px;color:rgba(207,233,226,.7);}

/* 响应式 */
@media (max-width:1023px){
  .channel-row{display:none;}
  .search-box{display:none;}
  .menu-btn{display:inline-flex;}
  .nav-hot{display:none;}
  .cat-grid{grid-template-columns:1fr;gap:32px;}
  .cat-visual{order:-1;}
  .cat-visual .float-badge{left:auto;right:16px;bottom:16px;}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .two-col,.example-grid,.faq-wrap,.verify-wrap{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  section{padding:56px 0;}
  .brand-logo{font-size:15px;}
  .brand-logo .full{display:none;}
  .brand-logo .short{display:inline;}
  .progress-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .path-grid,.guide-grid,.related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .check-card{padding:24px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .cat-title{font-size:1.6rem;}
  .btn{width:100%;}
  .btn-link{width:auto;}
  .search-box{max-width:100%;}
  .channel-link{padding:0 12px;font-size:13px;}
  .stat-badge b{font-size:22px;}
}

/* roulang page: category3 */
:root{
  --bg:#FBF7F0; --surface:#FFFFFF; --surface-2:#F3EEE5;
  --ink:#172A26; --muted:#5E6B67; --line:#E7DED2;
  --brand-900:#0B3B33; --brand-700:#0B6E5F; --brand-500:#1C9B84;
  --brand-300:#8ED9C8; --brand-100:#E6F4EF;
  --accent-500:#F2A65A; --accent-600:#D9822B; --rose-500:#E8657A;
  --grad-brand:linear-gradient(135deg,#0B6E5F 0%,#2FAF96 45%,#F2A65A 100%);
  --grad-soft:radial-gradient(58% 68% at 10% 6%,rgba(28,155,132,.16),transparent 62%),radial-gradient(52% 64% at 92% 14%,rgba(242,166,90,.20),transparent 60%);
  --shadow-soft:0 20px 44px -28px rgba(11,59,51,.42);
  --shadow-hover:0 28px 52px -24px rgba(11,59,51,.44);
  --radius-lg:32px; --radius-md:24px; --radius-sm:18px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(28,155,132,.45);outline-offset:3px;border-radius:10px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
section{position:relative;padding:88px 0;}
.bg-white-sec{background:var(--surface);}
.bg-cream{background:var(--bg);}
.bg-sand{background:var(--surface-2);}
.bg-tint{background:var(--brand-100);}
.divider-wave{height:14px;width:100%;background-image:repeating-linear-gradient(90deg,var(--brand-300) 0 2px,transparent 2px 9px);opacity:.5;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,240,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 14px 30px -24px rgba(11,59,51,.6);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;transition:height .25s ease;}
.site-header.is-scrolled .brand-row{height:56px;}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--brand-900);letter-spacing:-.02em;white-space:nowrap;}
.brand-mark{width:32px;height:32px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;flex:none;}
.brand-logo .short{display:none;}
.brand-nav{display:flex;align-items:center;gap:14px;}
.search-box{display:flex;align-items:center;gap:8px;width:300px;max-width:32vw;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);transition:border-color .2s,box-shadow .2s;}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(28,155,132,.22);}
.search-box svg{flex:none;color:var(--muted);}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#93A19C;}
.hot-link{font-size:13.5px;font-weight:600;color:var(--brand-700);white-space:nowrap;border-bottom:1.5px solid transparent;transition:color .2s,border-color .2s;}
.hot-link:hover{color:var(--accent-600);border-bottom-color:var(--accent-500);}
.channel-row{display:flex;align-items:center;gap:6px;height:44px;border-top:1px solid var(--line);overflow-x:auto;scrollbar-width:none;}
.channel-row::-webkit-scrollbar{display:none;}
.channel-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;transition:color .2s;}
.channel-link:hover{color:var(--brand-700);}
.channel-link::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;border-radius:3px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.active{color:var(--brand-900);font-weight:700;}
.channel-link.active::after{transform:scaleX(1);}
.mobile-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--brand-900);cursor:pointer;}
.mobile-drawer{position:fixed;inset:0;z-index:90;background:rgba(11,59,51,.42);opacity:0;pointer-events:none;transition:opacity .25s ease;}
.mobile-drawer.open{opacity:1;pointer-events:auto;}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(86vw,340px);background:var(--surface);padding:24px;transform:translateX(102%);transition:transform .3s ease;overflow-y:auto;}
.mobile-drawer.open .drawer-panel{transform:none;}
.drawer-title{font-size:13px;letter-spacing:.16em;color:var(--muted);margin:18px 0 10px;}
.drawer-link{display:block;padding:12px 14px;border-radius:14px;font-size:15px;font-weight:600;color:var(--brand-900);transition:background .2s,color .2s;}
.drawer-link:hover,.drawer-link.active{background:var(--brand-100);color:var(--brand-700);}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;color:var(--brand-900);}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 16px 32px -18px rgba(11,110,95,.85);}
.btn-primary:hover{transform:translateY(-3px);filter:brightness(1.06);box-shadow:0 22px 40px -18px rgba(11,110,95,.72);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--brand-900);border-color:var(--line);}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--shadow-soft);color:var(--brand-700);}
.btn-ghost:active{transform:translateY(0);}
.btn-onlight{background:#fff;color:var(--brand-900);}
.btn-onlight:hover{transform:translateY(-3px);box-shadow:0 22px 40px -22px rgba(0,0,0,.45);}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-3px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);padding-bottom:2px;border-bottom:1.5px solid var(--brand-300);transition:color .2s,border-color .2s;}
.btn-link:hover{color:var(--accent-600);border-color:var(--accent-500);}

/* ============ 分类页头部 ============ */
.topic-hero{position:relative;overflow:hidden;padding:52px 0 56px;background:var(--brand-900);color:#F2FBF8;}
.topic-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/cdab99311bf00fc2.webp');background-size:cover;background-position:center;opacity:.38;}
.topic-hero-veil{position:absolute;inset:0;background:linear-gradient(108deg,rgba(11,59,51,.96) 0%,rgba(11,110,95,.86) 56%,rgba(11,59,51,.72) 100%);}
.topic-hero-inner{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(206,238,230,.82);}
.crumb a{color:rgba(214,242,235,.92);transition:color .2s;}
.crumb a:hover{color:var(--accent-500);}
.crumb .sep{opacity:.5;}
.crumb .current{color:#fff;font-weight:600;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;color:var(--brand-300);margin-top:22px;}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad-brand);}
.topic-hero h1{font-size:clamp(1.9rem,4vw,3.05rem);font-weight:800;line-height:1.28;margin:14px 0 18px;max-width:20em;letter-spacing:-.01em;}
.topic-lead{max-width:760px;font-size:16px;line-height:1.95;color:rgba(236,250,245,.9);}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.mini-stat{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);border:1px solid rgba(142,217,200,.26);border-radius:999px;padding:8px 16px;}
.mini-stat .dot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand);flex:none;}
.mini-stat b{font-size:16px;font-weight:800;color:#fff;}
.mini-stat span{font-size:12.5px;color:rgba(212,241,234,.84);}
.city-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;}
.city-tag{font-size:13px;padding:5px 14px;border-radius:999px;border:1px solid rgba(142,217,200,.34);color:rgba(226,248,242,.92);background:rgba(255,255,255,.06);}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.anchor-nav a{font-size:13.5px;font-weight:600;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.12);color:#EAF8F3;border:1px solid rgba(142,217,200,.24);transition:background .2s,color .2s,transform .2s;}
.anchor-nav a:hover{background:#fff;color:var(--brand-900);transform:translateY(-2px);}

/* ============ 板块标题 ============ */
.section-head{max-width:740px;margin-bottom:42px;}
.section-head h2{font-size:clamp(1.55rem,2.9vw,2.3rem);line-height:1.35;color:var(--brand-900);font-weight:800;margin:0;}
.section-head .lead{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.9;}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--brand-700);margin-bottom:12px;}
.section-head .kicker::before{content:"";width:22px;height:2px;background:var(--accent-500);border-radius:2px;}

/* ============ 卡片 ============ */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);}
.tag-accent{background:rgba(242,166,90,.18);color:var(--accent-600);}

/* 城市专题列表 */
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.topic-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-md);}
.topic-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.05);}
.topic-thumb .thumb-tag{position:absolute;left:12px;top:12px;background:rgba(11,59,51,.82);color:#EAF8F3;font-size:11.5px;font-weight:600;padding:4px 11px;border-radius:999px;backdrop-filter:blur(4px);}
.topic-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.topic-body h3{font-size:16.5px;line-height:1.55;font-weight:700;color:var(--brand-900);margin:0;}
.topic-body h3 a:hover{color:var(--brand-700);}
.topic-body p{font-size:13.5px;color:var(--muted);line-height:1.78;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.topic-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.5px;color:#85938E;}
.list-more{display:flex;justify-content:center;margin-top:40px;}
.empty-box{border:1.5px dashed var(--line);border-radius:var(--radius-md);padding:48px 24px;text-align:center;color:var(--muted);background:var(--surface);font-size:14.5px;}

/* 夜间场景 */
.night-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;}
.night-col{display:grid;gap:24px;align-content:start;}
.night-card{border-radius:var(--radius-md);overflow:hidden;display:flex;flex-direction:column;}
.night-card .pic{position:relative;aspect-ratio:16/10;overflow:hidden;}
.night-card.feature .pic{aspect-ratio:16/12;}
.night-card .pic img{width:100%;height:100%;object-fit:cover;}
.night-card .body{padding:22px 22px 24px;}
.night-card h3{margin:0 0 10px;font-size:18px;font-weight:800;color:var(--brand-900);}
.night-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.85;}
.night-note{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:18px 24px;border-radius:var(--radius-sm);background:rgba(242,166,90,.14);border:1px solid rgba(242,166,90,.32);font-size:14px;color:#7A4A12;}
.night-note strong{color:var(--accent-600);}

/* 数据带 */
.data-band{background:var(--grad-brand);color:#fff;}
.data-band .section-head h2,.data-band .section-head .lead{color:#fff;}
.data-band .section-head .kicker{color:rgba(255,255,255,.86);}
.data-band .section-head .kicker::before{background:rgba(255,255,255,.8);}
.data-band .lead{color:rgba(255,255,255,.9)!important;}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-item{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-sm);padding:24px 22px;backdrop-filter:blur(4px);transition:background .25s,transform .25s;}
.stat-item:hover{background:rgba(255,255,255,.22);transform:translateY(-4px);}
.stat-item b{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.2;}
.stat-item span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.9);}
.band-note{margin-top:26px;font-size:13px;color:rgba(255,255,255,.82);}

/* 安全提示 */
.safety-bar{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:20px 26px;border-radius:var(--radius-sm);background:var(--brand-900);color:#EAF8F3;font-size:14.5px;}
.safety-bar .pill{font-size:12px;font-weight:700;letter-spacing:.1em;padding:5px 12px;border-radius:999px;background:var(--grad-brand);color:#fff;}
.safety-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:26px;}
.safety-item{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand-500);border-radius:var(--radius-sm);padding:22px 22px 24px;box-shadow:var(--shadow-soft);}
.safety-item h3{margin:0 0 8px;font-size:15.5px;font-weight:700;color:var(--brand-900);}
.safety-item p{margin:0;font-size:13.8px;color:var(--muted);line-height:1.82;}

/* 专题解读 */
.read-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:44px;align-items:start;}
.read-grid h2{font-size:clamp(1.5rem,2.7vw,2.1rem);font-weight:800;color:var(--brand-900);line-height:1.4;margin:0 0 14px;}
.read-grid .kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--brand-700);margin-bottom:12px;}
.read-grid .kicker::before{content:"";width:22px;height:2px;background:var(--accent-500);border-radius:2px;}
.read-text p{font-size:15px;color:#33463F;line-height:1.95;margin:0 0 16px;}
.read-figure{margin-top:20px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);}
.read-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* 维度卡 */
.dim-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.dim-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px 22px;position:relative;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s;}
.dim-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);}
.dim-card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-hover);}
.dim-card .num{font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--brand-500);}
.dim-card h3{margin:8px 0 8px;font-size:16px;font-weight:700;color:var(--brand-900);}
.dim-card p{margin:0;font-size:13.6px;color:var(--muted);line-height:1.8;}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:0.8fr 1.2fr;gap:48px;align-items:start;}
.faq-grid h2{font-size:clamp(1.5rem,2.7vw,2.1rem);font-weight:800;color:var(--brand-900);line-height:1.4;margin:0 0 14px;}
.faq-grid .faq-hint{font-size:14.5px;color:var(--muted);line-height:1.9;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);margin-bottom:14px;overflow:hidden;transition:border-color .25s,background .25s;}
.faq-item[open]{background:var(--brand-100);border-color:var(--brand-300);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--brand-900);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .ico{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--brand-300);color:var(--brand-700);display:grid;place-items:center;font-size:16px;line-height:1;transition:transform .25s,background .25s,color .25s;}
.faq-item[open] summary .ico{transform:rotate(45deg);background:var(--brand-700);color:#fff;border-color:var(--brand-700);}
.faq-item .answer{padding:0 22px 20px;font-size:14.3px;color:#3B4D47;line-height:1.9;}

/* CTA */
.cta-panel{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--grad-brand);color:#fff;padding:52px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;box-shadow:var(--shadow-hover);}
.cta-panel::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.14);}
.cta-panel h2{font-size:clamp(1.5rem,2.8vw,2.15rem);font-weight:800;line-height:1.4;margin:0 0 14px;position:relative;z-index:2;}
.cta-panel p{font-size:14.8px;line-height:1.9;color:rgba(255,255,255,.92);margin:0;position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2;}
.cta-tip{margin-top:16px;font-size:12.8px;color:rgba(255,255,255,.8);position:relative;z-index:2;}

/* 页脚 */
.site-footer{background:var(--brand-900);color:#CFE9E2;padding:64px 0 26px;border-top:3px solid transparent;border-image:var(--grad-brand) 1;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--grad-brand);}
.footer-text{font-size:13.6px;line-height:1.9;color:rgba(206,235,228,.78);margin:0;max-width:34em;}
.footer-title{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:11px;}
.footer-list a{font-size:13.6px;color:rgba(206,235,228,.8);transition:color .2s,padding-left .2s;}
.footer-list a:hover{color:var(--accent-500);padding-left:4px;}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(142,217,200,.2);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(186,222,213,.72);}

/* 响应式 */
@media (max-width:1080px){
  .topic-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .dim-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-panel{grid-template-columns:1fr;padding:40px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:900px){
  .channel-row{display:none;}
  .mobile-toggle{display:inline-flex;}
  .search-box{display:none;}
  .brand-logo{font-size:15.5px;}
  .brand-logo .full{display:none;}
  .brand-logo .short{display:inline;}
  .brand-nav .btn-primary{display:none;}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .night-grid{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .read-grid{grid-template-columns:1fr;gap:24px;}
  .faq-grid{grid-template-columns:1fr;gap:26px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  section{padding:64px 0;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .topic-hero{padding:40px 0 44px;}
  .topic-hero h1{font-size:clamp(1.6rem,7vw,2.1rem);}
  .topic-grid{grid-template-columns:1fr;}
  .dim-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  section{padding:52px 0;}
  .cta-panel{padding:30px 24px;border-radius:var(--radius-md);}
  .anchor-nav a{font-size:12.5px;padding:7px 13px;}
}