/* roulang page: index */
:root{
  --c-primary:#12564A;
  --c-primary-d:#0B3A32;
  --c-primary-l:#E4EFEB;
  --c-accent:#D9942F;
  --c-accent-l:#FBF1DF;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-dark:#0E2B26;
  --c-text:#17211F;
  --c-text-2:#5A6663;
  --c-text-3:#98A29E;
  --c-line:#E5E2DA;
  --c-line-2:#EFEDE7;
  --c-success:#2E7D5B;
  --c-warning:#C4562F;
  --c-disabled:#D8D5CE;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:999px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(20,40,35,.05), 0 8px 24px -14px rgba(20,40,35,.16);
  --sh-2:0 2px 4px rgba(20,40,35,.06), 0 16px 32px -16px rgba(20,40,35,.24);
  --t:160ms ease;
  --t-pop:240ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;line-height:1.9;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-text);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3{font-weight:700;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:8px;z-index:200}
.skip:focus{left:16px;top:12px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:500;border:1px solid transparent;transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);white-space:nowrap}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);background:var(--c-primary-d)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(18,86,74,.35)}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:var(--c-primary-l);color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-block{width:100%}
.text-link{position:relative;display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14.5px;font-weight:500}
.text-link::before{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--c-primary);transform:scaleX(0);transform-origin:right;transition:transform 220ms ease}
.text-link:hover{color:var(--c-primary)}
.text-link:hover::before{transform:scaleX(1);transform-origin:left}
.text-link span{transition:transform var(--t)}
.text-link:hover span{transform:translateX(3px)}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 1px 8px rgba(20,40,35,.04);transition:box-shadow var(--t)}
.site-header.is-scrolled{box-shadow:0 8px 22px -16px rgba(20,40,35,.42)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height var(--t)}
.site-header.is-scrolled .nav-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:28px;height:28px;color:var(--c-primary);flex:0 0 auto}
.logo-text{font-size:17px;font-weight:600;letter-spacing:-.01em;color:var(--c-text)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{position:relative;padding:10px 14px;font-size:15.5px;color:var(--c-text-2);border-radius:8px;line-height:1}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-l)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:1.4em;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--c-text-2);pointer-events:none}
.nav-search input{width:210px;height:40px;padding:0 14px 0 36px;border:1px solid var(--c-line);border-radius:var(--r-badge);background:var(--c-bg);font-size:14px;color:var(--c-text);transition:background var(--t),border-color var(--t),box-shadow var(--t)}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,86,74,.12)}
.nav-search input:focus + svg{color:var(--c-primary)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:background var(--t),border-color var(--t)}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--c-text);transition:background var(--t)}
.nav-toggle:hover{background:var(--c-primary-l);border-color:rgba(18,86,74,.28)}
.nav-toggle:hover span{background:var(--c-primary)}

/* 抽屉 */
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;z-index:90;transform:translateX(103%);transition:transform var(--t-pop);padding:20px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;box-shadow:-14px 0 36px -22px rgba(20,40,35,.45)}
.drawer.is-open{transform:none}
.drawer-mask{position:fixed;inset:0;background:rgba(14,43,38,.5);z-index:85;opacity:0;visibility:hidden;transition:opacity var(--t-pop),visibility var(--t-pop)}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-title{font-size:16px;font-weight:600}
.drawer-close{width:36px;height:36px;border-radius:50%;background:var(--c-bg);color:var(--c-text-2);font-size:18px;display:flex;align-items:center;justify-content:center;transition:background var(--t),color var(--t)}
.drawer-close:hover{background:var(--c-primary-l);color:var(--c-primary)}
.drawer-search input{width:100%;height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-bg);font-size:14.5px;transition:background var(--t),border-color var(--t),box-shadow var(--t)}
.drawer-search input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,86,74,.12)}
.drawer-nav{display:grid;gap:6px}
.drawer-nav a{padding:13px 14px;border-radius:10px;font-size:15.5px;color:var(--c-text-2)}
.drawer-nav a:hover{background:var(--c-primary-l);color:var(--c-primary)}
.drawer-nav a.is-active{color:var(--c-primary);background:var(--c-primary-l);font-weight:600;box-shadow:inset 3px 0 0 var(--c-primary)}
.drawer-foot{font-size:12.5px;color:var(--c-text-3);margin-top:auto}

/* 实时状态条 */
.live-bar{background:var(--c-dark);color:#fff}
.live-inner{display:flex;align-items:center;gap:12px;min-height:44px;font-size:13.5px}
.live-dot{width:8px;height:8px;border-radius:50%;background:#4AD295;flex:0 0 auto;animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(74,210,149,.5)}70%{box-shadow:0 0 0 10px rgba(74,210,149,0)}100%{box-shadow:0 0 0 0 rgba(74,210,149,0)}}
.live-inner strong{color:#fff;font-weight:600}
.live-text{color:rgba(255,255,255,.8)}
.live-meta{margin-left:auto;color:var(--c-accent);font-variant-numeric:tabular-nums;white-space:nowrap}

/* Hero */
.hero{position:relative;padding:72px 0 84px;background:var(--c-bg) url('/assets/images/backpic/back-1.png') center/cover no-repeat;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(247,245,240,.97) 40%,rgba(247,245,240,.74))}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--c-primary);background:var(--c-primary-l);padding:6px 14px;border-radius:var(--r-badge)}
.hero h1{font-size:clamp(28px,4.2vw,44px);margin:18px 0 16px;max-width:16em}
.hero-sub{font-size:17px;color:var(--c-text-2);max-width:30em}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 28px}
.hero-badges li{font-size:13.5px;color:var(--c-primary);background:#fff;border:1px solid rgba(18,86,74,.16);padding:6px 14px;border-radius:var(--r-badge)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2)}
.float-card{position:absolute;right:-14px;bottom:-18px;background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:14px 20px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:2px}
.float-num{font-size:24px;font-weight:700;color:var(--c-accent);line-height:1.2;font-variant-numeric:tabular-nums}
.float-label{font-size:12.5px;color:var(--c-text-2);white-space:nowrap}

/* 区块 */
.section{padding:88px 0}
.section--alt{background:#fff;border-top:1px solid var(--c-line-2);border-bottom:1px solid var(--c-line-2)}
.section-head{margin-bottom:40px;max-width:780px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--c-primary)}
.section-desc{margin-top:12px;color:var(--c-text-2);font-size:16px}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* 提问卡 */
.ask-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ask-card{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 22px 24px;transition:border-color var(--t),box-shadow var(--t),transform var(--t)}
.ask-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;background:var(--c-primary);opacity:0;transition:opacity var(--t)}
.ask-card:hover{border-color:rgba(18,86,74,.3);box-shadow:var(--sh-1);transform:translateY(-2px)}
.ask-card:hover::before{opacity:1}
.ask-q{font-size:17px;font-weight:600;margin-bottom:8px}
.ask-a{font-size:14px;color:var(--c-text-2);line-height:1.75}

/* 方案卡 */
.solution-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px}
.sol-main{background:#fff;border:1px solid var(--c-line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1)}
.sol-main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.sol-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.sol-body h3{font-size:20px}
.sol-body p{font-size:15px;color:var(--c-text-2)}
.sol-body .text-link{margin-top:auto}
.sol-side{display:grid;gap:24px;grid-template-rows:1fr 1fr}
.sol-row{display:grid;grid-template-columns:96px 1fr;gap:18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;transition:border-color var(--t),box-shadow var(--t),transform var(--t)}
.sol-row:hover{border-color:rgba(18,86,74,.3);box-shadow:var(--sh-1);transform:translateY(-2px)}
.sol-row img{width:96px;height:96px;object-fit:cover;border-radius:12px}
.sol-row h3{font-size:18px;margin-bottom:8px}
.sol-row p{font-size:14.5px;color:var(--c-text-2);margin-bottom:10px;line-height:1.75}

/* 数据区 */
.band{position:relative;background:var(--c-dark);color:#fff;padding:88px 0;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.16}
.band .container{position:relative}
.band-title{font-size:clamp(22px,2.6vw,30px);color:#fff;position:relative;padding-left:16px}
.band-title::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--c-accent)}
.band-desc{margin-top:12px;color:rgba(255,255,255,.72);max-width:660px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);margin:44px 0 36px;border-top:1px solid rgba(255,255,255,.14);padding-top:32px}
.stat{padding:0 24px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{display:block;font-size:clamp(30px,4vw,46px);font-weight:700;color:var(--c-accent);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-label{display:block;margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.65}
.band-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.band-tip{font-size:13px;color:rgba(255,255,255,.6)}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,86,74,.28);color:var(--c-text)}
.news-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-line-2)}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.news-card:hover .news-media img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{align-self:flex-start;font-size:12.5px;color:#8A5B12;background:var(--c-accent-l);padding:4px 12px;border-radius:var(--r-badge)}
.news-body h3{font-size:17.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-body h3{color:var(--c-primary)}
.news-body p{font-size:14px;color:var(--c-text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line-2);display:flex;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--c-text-3)}
.news-go{color:var(--c-primary)}
.empty-state{grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-text-2)}
.empty-state p{margin-bottom:16px;font-size:15px}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{padding-top:26px;border-top:1px dashed rgba(18,86,74,.32)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--c-accent);color:var(--c-accent);font-weight:700;font-size:14px;background:#fff;margin-bottom:14px;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--c-text-2)}

/* 咨询表单 */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.consult-copy h2{font-size:clamp(22px,2.6vw,30px);position:relative;padding-left:16px}
.consult-copy h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--c-primary)}
.consult-copy > p{margin-top:12px;color:var(--c-text-2);font-size:15.5px}
.check-list{margin:22px 0;display:grid;gap:12px}
.check-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-text-2)}
.check-list li::before{content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:50%;background:var(--c-primary)}
.privacy-note{font-size:12.5px;color:var(--c-text-3)}
.privacy-note a{color:var(--c-primary);border-bottom:1px dotted var(--c-primary)}
.lead-form{background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:28px;box-shadow:var(--sh-1);display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-size:13px;color:var(--c-text-2);display:inline-flex;align-items:center;gap:6px}
.field .req{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:inline-block}
.field input{height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-input);font-size:15px;color:var(--c-text);background:#fff;transition:border-color var(--t),box-shadow var(--t)}
.field textarea{min-height:112px;padding:12px 14px;border:1px solid var(--c-line);border-radius:var(--r-input);font-size:15px;line-height:1.7;color:var(--c-text);background:#fff;resize:vertical;transition:border-color var(--t),box-shadow var(--t)}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,86,74,.12)}
.form-note{grid-column:1/-1;font-size:12.5px;color:var(--c-text-3);line-height:1.7}
.form-success{grid-column:1/-1;display:none;font-size:14px;color:var(--c-success);background:rgba(46,125,91,.08);border:1px solid rgba(46,125,91,.22);border-radius:10px;padding:12px 16px}

/* FAQ */
.faq{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--c-line-2)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:16px 24px 16px 28px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;transition:background var(--t)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:4px;border-radius:0 3px 3px 0;background:var(--c-primary);opacity:0;transition:opacity var(--t)}
.faq-item[open] summary::before{opacity:1}
.faq-item summary:hover{background:var(--c-primary-l)}
.faq-item summary::after{content:"";flex:0 0 auto;width:14px;height:14px;background:linear-gradient(var(--c-primary),var(--c-primary)) center/14px 2px no-repeat,linear-gradient(var(--c-primary),var(--c-primary)) center/2px 14px no-repeat;transition:transform var(--t-pop)}
.faq-item[open] summary::after{transform:rotate(90deg);background:linear-gradient(var(--c-primary),var(--c-primary)) center/14px 2px no-repeat}
.faq-body{padding:0 28px 22px;font-size:15px;color:var(--c-text-2);line-height:1.85}
.faq-more{margin-top:20px}

/* CTA 条 */
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:28px;background:var(--c-primary);color:#fff;border-radius:16px;padding:36px 40px}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);color:#fff}
.cta-band p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.8)}

/* 页脚 */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .logo-text{color:#fff;font-size:18px}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;max-width:32em;color:rgba(255,255,255,.62)}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;padding-bottom:28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.5)}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--c-primary);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t),background var(--t);z-index:50}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-primary-d);transform:translateY(-2px)}

/* 弹层 */
.modal-mask{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(14,43,38,.55);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity var(--t-pop),visibility var(--t-pop)}
.modal-mask.is-open{opacity:1;visibility:visible}
.modal{width:480px;max-width:100%;background:#fff;border-radius:16px;padding:28px;box-shadow:var(--sh-2);transform:scale(.96);transition:transform var(--t-pop)}
.modal-mask.is-open .modal{transform:scale(1)}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.modal h2{font-size:20px}
.modal-head p{margin-top:6px;font-size:14px;color:var(--c-text-2)}
.modal-close{width:32px;height:32px;border-radius:50%;background:var(--c-bg);color:var(--c-text-2);font-size:17px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;transition:background var(--t),color var(--t)}
.modal-close:hover{background:var(--c-primary-l);color:var(--c-primary)}
.modal form{margin-top:20px;display:grid;gap:16px}
.modal .form-note{margin-top:0}

@media (max-width:1199px){
  .nav-search input{width:180px}
  .hero-inner{gap:36px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .hero{padding:52px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-media img{aspect-ratio:16/10}
  .float-card{right:16px;bottom:-16px}
  .solution-grid{grid-template-columns:1fr}
  .consult-grid{grid-template-columns:1fr;gap:28px}
  .section{padding:64px 0}
  .band{padding:64px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;margin:36px 0 30px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:30px 32px}
}
@media (max-width:767px){
  .ask-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;gap:20px}
  .live-meta{display:none}
  .live-inner{font-size:13px;gap:10px}
  .live-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:12px}
  .faq-item summary{font-size:15.5px;padding:14px 18px 14px 22px}
  .faq-body{padding:0 22px 20px}
  .sol-row{grid-template-columns:76px 1fr;gap:14px;padding:16px}
  .sol-row img{width:76px;height:76px}
  .cta-band{flex-direction:column;align-items:flex-start;gap:20px;padding:28px}
  .modal-mask{padding:0;align-items:flex-end}
  .modal{width:100%;border-radius:16px 16px 0 0;padding:24px}
}
@media (max-width:575px){
  .container{padding:0 18px}
  .ask-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .lead-form{grid-template-columns:1fr;padding:22px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:28px 0}
  .stat{padding:0 14px}
  .footer-grid{grid-template-columns:1fr}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
  .hero-badges{gap:8px}
  .float-card{right:12px;padding:12px 16px}
  .float-num{font-size:20px}
  .hero-actions .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --c-primary:#12564A;
  --c-primary-d:#0B3A32;
  --c-primary-l:#E4EFEB;
  --c-accent:#D9942F;
  --c-accent-l:#FBF1DF;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-dark:#0E2B26;
  --c-text:#17211F;
  --c-text-2:#5A6663;
  --c-text-3:#98A29E;
  --c-line:#E5E2DA;
  --c-line-2:#EFEDE7;
  --c-success:#2E7D5B;
  --c-warning:#C4562F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(20,40,35,.05),0 8px 24px -14px rgba(20,40,35,.16);
  --sh-2:0 2px 4px rgba(20,40,35,.06),0 16px 32px -16px rgba(20,40,35,.24);
  --ease:160ms ease;
  --ease-2:240ms cubic-bezier(.2,.7,.3,1);
  --sp:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-text);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-primary);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-line{border-top:1px solid var(--c-line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--c-primary);
  background:var(--c-primary-l);border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.sec-head{margin-bottom:40px;max-width:760px;}
.sec-head h2{
  font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:700;
  position:relative;padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  background:var(--c-primary);border-radius:2px;
}
.sec-head p{margin-top:12px;color:var(--c-text-2);font-size:16px;line-height:1.85;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px -10px rgba(18,86,74,.9);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);background:#082C26;}
.btn-outline{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-l);color:var(--c-primary);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-text-2);border:1px solid var(--c-line);}
.btn-ghost:hover{color:var(--c-primary);border-color:var(--c-primary);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:48px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}
.link-arrow{color:var(--c-primary);font-weight:500;display:inline-flex;align-items:center;gap:6px;}
.link-arrow::after{content:"→";transition:transform var(--ease);}
.link-arrow:hover::after{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;line-height:1;background:var(--c-primary-l);color:var(--c-primary);font-weight:500;
}
.badge-accent{background:var(--c-accent-l);color:#8A5A11;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 8px rgba(20,40,35,.04);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 18px -8px rgba(20,40,35,.22);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:30px;height:30px;flex:0 0 auto;color:var(--c-primary);}
.logo-text{font-size:17px;font-weight:600;letter-spacing:-.01em;color:var(--c-text);white-space:nowrap;}
.brand:hover .logo-text{color:var(--c-primary);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;
  font-size:15px;color:var(--c-text-2);line-height:1;
}
.site-header.is-scrolled .nav-link{height:64px;}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:16px;width:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:translateX(-50%);transition:width var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:1.4em;}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{width:1.4em;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:210px;padding:0 14px;
  background:var(--c-bg);border:1px solid transparent;border-radius:var(--r-btn);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,86,74,.10);}
.nav-search svg{width:16px;height:16px;color:var(--c-text-3);flex:0 0 auto;}
.nav-search:focus-within svg{color:var(--c-primary);}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  align-items:center;justify-content:center;color:var(--c-text);
}
.nav-toggle:hover{background:var(--c-primary-l);color:var(--c-primary);}
.nav-toggle svg{width:22px;height:22px;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,43,38,.5);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity var(--ease-2),visibility var(--ease-2);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;z-index:80;
  transform:translateX(100%);transition:transform var(--ease-2);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:36px;height:36px;border-radius:50%;background:var(--c-bg);display:flex;align-items:center;justify-content:center;color:var(--c-text-2);}
.drawer-close:hover{background:var(--c-primary-l);color:var(--c-primary);}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;background:var(--c-bg);border-radius:var(--r-btn);margin-bottom:18px;}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;height:52px;padding:0 12px;border-radius:var(--r-btn);
  font-size:16px;color:var(--c-text-2);border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--c-bg);color:var(--c-primary);}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);background:var(--c-primary-l);}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--c-line);}
.drawer-foot p{font-size:12.5px;color:var(--c-text-3);line-height:1.7;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line-2);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--c-text-3);}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-text-3);}
.breadcrumb .current{color:var(--c-text-3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-hero{background:#fff;padding:44px 0 0;border-bottom:1px solid var(--c-line-2);}
.article-hero .kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.article-hero h1{
  font-size:clamp(26px,3.6vw,38px);line-height:1.3;font-weight:700;letter-spacing:-.01em;
  max-width:900px;
}
.article-lead{margin-top:16px;color:var(--c-text-2);font-size:16.5px;line-height:1.85;max-width:820px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:22px;padding:16px 0;border-top:1px solid var(--c-line-2);
  font-size:12.5px;color:var(--c-text-3);
}
.article-meta strong{color:var(--c-text-2);font-weight:500;}
.article-cover{margin:26px 0 0;border-radius:var(--r-img) var(--r-img) 0 0;overflow:hidden;}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;}

/* ---------- 文章布局 ---------- */
.article-main{padding:52px 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start;}
.article-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--sh-1);
}
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.aside-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);}
.aside-card h3{font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--c-text-2);margin-bottom:14px;padding-left:10px;position:relative;}
.aside-card h3::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:3px;border-radius:2px;background:var(--c-accent);}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto;}
.toc-list a{display:block;padding:7px 10px;border-radius:8px;font-size:13.5px;line-height:1.6;color:var(--c-text-2);}
.toc-list a:hover{background:var(--c-bg);color:var(--c-primary);}
.toc-list a.is-current{background:var(--c-primary-l);color:var(--c-primary);font-weight:500;}
.aside-links{display:flex;flex-direction:column;gap:10px;}
.aside-links a{font-size:14px;color:var(--c-text-2);display:flex;gap:8px;align-items:flex-start;line-height:1.7;}
.aside-links a::before{content:"›";color:var(--c-accent);font-weight:700;}
.aside-links a:hover{color:var(--c-primary);}
.toc-toggle{
  display:none;width:100%;height:44px;border-radius:var(--r-btn);background:#fff;
  border:1px solid var(--c-line);color:var(--c-text-2);font-size:14px;align-items:center;justify-content:center;gap:8px;
}
.toc-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.95;color:var(--c-text);word-break:break-word;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-size:clamp(20px,2.2vw,24px);font-weight:700;line-height:1.42;
  margin:1.9em 0 .7em;padding-left:14px;border-left:4px solid var(--c-primary);scroll-margin-top:96px;
}
.article-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:1.6em 0 .6em;scroll-margin-top:96px;}
.article-body h4{font-size:16.5px;font-weight:600;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);opacity:.85;
}
.article-body ol{counter-reset:item;padding-left:0;}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:.6em;counter-increment:item;line-height:1.85;}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:.32em;width:22px;height:22px;border-radius:50%;
  background:var(--c-primary-l);color:var(--c-primary);font-size:12.5px;font-weight:600;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;background:var(--c-primary-l);border-left:3px solid var(--c-accent);
  border-radius:10px;color:#123F38;font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.4em auto;box-shadow:var(--sh-1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:12.5px;color:var(--c-text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--c-primary);border-bottom:1px dashed rgba(18,86,74,.5);}
.article-body a:hover{border-bottom-style:solid;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;line-height:1.7;
  border:1px solid var(--c-line);border-radius:10px;overflow:hidden;
}
.article-body thead th{background:var(--c-primary-l);color:var(--c-primary-d);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line-2);}
.article-body tbody tr:nth-child(even){background:#FCFBF8;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{
  background:var(--c-line-2);padding:2px 6px;border-radius:6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#12211E;color:#E6EFEB;padding:18px 20px;border-radius:12px;overflow-x:auto;
  font-size:14px;line-height:1.75;margin:1.4em 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}
.article-body strong{font-weight:600;color:var(--c-primary-d);}

/* ---------- 文末 ---------- */
.article-foot{margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line-2);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--c-bg);border:1px solid var(--c-line);font-size:13px;color:var(--c-text-2);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:64px 24px;}
.empty-state .art{
  width:96px;height:96px;margin:0 auto 22px;border-radius:24px;background:var(--c-primary-l);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.empty-state .art svg{width:44px;height:44px;}
.empty-state h2{font-size:20px;font-weight:600;margin-bottom:10px;}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:24px;}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  display:flex;gap:16px;padding:18px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,86,74,.35);}
.related-thumb{width:84px;height:84px;flex:0 0 auto;border-radius:10px;overflow:hidden;}
.related-thumb img{width:100%;height:100%;object-fit:cover;}
.related-body{display:flex;flex-direction:column;min-width:0;}
.related-body h3{font-size:15.5px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.related-card:hover h3{color:var(--c-primary);}
.related-body .date{margin-top:auto;padding-top:10px;font-size:12.5px;color:var(--c-text-3);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary);border-radius:var(--r-img);padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.07);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin-top:10px;max-width:56ch;line-height:1.8;}
.cta-band .btn-outline{background:#fff;border-color:#fff;color:var(--c-primary);}
.cta-band .btn-outline:hover{background:var(--c-accent-l);color:var(--c-primary-d);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#fff;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding:72px 24px 48px;
}
.footer-brand .logo-text{color:#fff;font-size:18px;display:block;margin-bottom:16px;}
.footer-brand p{color:rgba(255,255,255,.68);font-size:14px;line-height:1.9;max-width:42ch;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;position:relative;padding-left:12px;}
.footer-col h3::before{content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:3px;border-radius:2px;background:var(--c-accent);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 24px 30px;display:flex;flex-wrap:wrap;gap:10px 32px;justify-content:space-between;
}
.footer-bottom p{font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.8;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--ease-2),transform var(--ease-2),visibility var(--ease-2),background var(--ease);
  z-index:50;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-d);color:#fff;}
.to-top svg{width:20px;height:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 20px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;gap:16px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-aside{position:static;order:-1;}
  .toc-card{display:none;}
  .toc-toggle{display:inline-flex;}
  .toc-card.is-open{display:block;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 20px 36px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .article-hero{padding:28px 0 0;}
  .article-card{padding:24px 20px;border-radius:12px;}
  .article-main{padding:36px 0 64px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-cover img{aspect-ratio:16/9;}
  .cta-band{padding:30px 24px;flex-direction:column;align-items:flex-start;}
  .related-grid{grid-template-columns:1fr;}
  .related{padding-bottom:64px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:519px){
  .container{padding:0 18px;}
  .logo-text{font-size:15.5px;}
  .article-hero h1{font-size:23px;}
  .article-meta{gap:8px 16px;}
  .btn{padding:0 18px;font-size:14.5px;}
  .related-card{flex-direction:column;}
  .related-thumb{width:100%;height:150px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12564A;
  --c-primary-d:#0B3A32;
  --c-primary-l:#E4EFEB;
  --c-accent:#D9942F;
  --c-accent-l:#FBF1DF;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-dark:#0E2B26;
  --c-text:#17211F;
  --c-text-2:#5A6663;
  --c-text-3:#98A29E;
  --c-line:#E5E2DA;
  --c-line-soft:#EFEDE7;
  --c-success:#2E7D5B;
  --c-warning:#C4562F;
  --c-info:#2A6F8F;
  --c-disabled:#D8D5CE;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:999px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(20,40,35,.05),0 8px 24px -14px rgba(20,40,35,.16);
  --sh-2:0 2px 4px rgba(20,40,35,.06),0 16px 32px -16px rgba(20,40,35,.24);
  --ease:160ms ease;
  --ease-pop:240ms cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3{margin:0;line-height:1.28;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 8px rgba(20,40,35,.04);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(20,40,35,.4)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height var(--ease)}
.site-header.is-scrolled .header-inner{height:62px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--c-primary-l);color:var(--c-primary);
  transition:background var(--ease),color var(--ease);
}
.brand:hover .brand-mark{background:var(--c-primary);color:#fff}
.logo-text{font-size:17px;font-weight:600;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;color:var(--c-text-2);border-radius:8px;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-l)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:1.4em;height:2px;border-radius:2px;background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:212px;height:40px;padding:0 12px;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-input);
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.search-box svg{flex-shrink:0;color:var(--c-text-3);transition:color var(--ease)}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text);
}
.search-box input::placeholder{color:var(--c-text-3)}
.search-box:focus-within{
  background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 2px rgba(18,86,74,.12);
}
.search-box:focus-within svg{color:var(--c-primary)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;white-space:nowrap;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:#0E463C;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{background:var(--c-primary-d);transform:translateY(0)}
.btn-outline{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-l);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:var(--c-primary-l);transform:translateY(-1px)}
.btn-block{width:100%}
.btn[disabled]{background:var(--c-disabled);color:#fff;cursor:not-allowed;box-shadow:none;transform:none}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
}
.nav-toggle:hover{background:var(--c-primary-l)}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(14,43,38,.5);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;z-index:80;
  width:min(88vw,360px);height:100%;
  background:#fff;padding:22px;
  display:flex;flex-direction:column;gap:18px;
  transform:translateX(102%);
  transition:transform var(--ease-pop);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:34px;height:34px;border-radius:50%;
  background:var(--c-bg);color:var(--c-text-2);font-size:20px;line-height:1;
  display:grid;place-items:center;
}
.drawer-close:hover{background:var(--c-primary-l);color:var(--c-primary)}
.drawer-search{width:100%}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{
  display:block;padding:13px 14px;border-radius:var(--r-input);
  font-size:15.5px;color:var(--c-text-2);border-left:3px solid transparent;
}
.drawer-links a:hover{background:var(--c-bg);color:var(--c-primary)}
.drawer-links a.is-active{
  color:var(--c-primary);font-weight:600;background:var(--c-primary-l);
  border-left-color:var(--c-primary);
}
.drawer-note{font-size:12.5px;line-height:1.7;color:var(--c-text-3)}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;
  border-bottom:1px solid var(--c-line);
  background-color:var(--c-primary-l);
  background-image:linear-gradient(100deg,rgba(247,245,240,.96) 0%,rgba(247,245,240,.86) 55%,rgba(228,239,235,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.banner-inner{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  padding-top:46px;padding-bottom:42px;
}
.banner-text{max-width:720px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:14px}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .current{color:var(--c-text-2)}
.page-banner h1{
  font-size:clamp(26px,3.6vw,38px);
  line-height:1.3;
  margin-bottom:14px;
}
.banner-lead{font-size:16.5px;color:var(--c-text-2);max-width:600px}
.banner-side{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:6px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-badge);font-size:13px;
  background:#fff;color:var(--c-primary);border:1px solid rgba(18,86,74,.18);
}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section + .section{padding-top:0}
.section-head{margin-bottom:34px;max-width:760px}
.section-head h2{
  position:relative;padding-left:14px;
  font-size:clamp(22px,2.5vw,29px);
  margin-bottom:12px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;
  width:4px;border-radius:2px;background:var(--c-primary);
}
.section-sub{font-size:15.5px;color:var(--c-text-2)}

/* ---------- Entry forms ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.entry-card:hover{transform:translateY(-2px);border-color:rgba(18,86,74,.4);box-shadow:var(--sh-2)}
.entry-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.entry-media img{width:100%;height:100%;transition:transform 320ms ease}
.entry-card:hover .entry-media img{transform:scale(1.03)}
.entry-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,43,38,0) 45%,rgba(14,43,38,.55) 100%);
}
.entry-status{
  position:absolute;left:14px;bottom:12px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:#fff;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(217,148,47,.24)}
.dot.is-green{background:#61D197;box-shadow:0 0 0 4px rgba(97,209,151,.22)}
.entry-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.entry-body h3{font-size:17.5px;margin-bottom:10px}
.entry-body p{font-size:14.5px;line-height:1.8;color:var(--c-text-2)}
.entry-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-3)}

/* ---------- Guide cards ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.guide-card{
  position:relative;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 22px 22px;display:flex;flex-direction:column;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.guide-card::after{
  content:"";position:absolute;top:-1px;right:-1px;width:14px;height:14px;
  border-top:1px solid var(--c-primary);border-right:1px solid var(--c-primary);
  border-top-right-radius:var(--r-card);opacity:0;transition:opacity var(--ease);
}
.guide-card:hover{transform:translateY(-2px);border-color:rgba(18,86,74,.35);box-shadow:var(--sh-2)}
.guide-card:hover::after{opacity:1}
.card-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:26px;border-radius:8px;margin-bottom:14px;
  background:var(--c-accent-l);color:#A96C15;
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.guide-card h3{font-size:17.5px;margin-bottom:10px}
.guide-card p{font-size:14.5px;line-height:1.82;color:var(--c-text-2)}
.text-link{
  margin-top:auto;padding-top:16px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--c-primary);
}
.text-link .arrow{transition:transform var(--ease)}
.text-link:hover .arrow{transform:translateX(3px)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- Steps ---------- */
.section-steps{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.step-track{display:grid;grid-template-columns:repeat(3,1fr);gap:0;counter-reset:step}
.step-item{position:relative;padding:0 30px 0 0}
.step-item:last-child{padding-right:0}
.step-item::after{
  content:"";position:absolute;top:17px;left:56px;right:16px;
  border-top:1px dashed var(--c-line);
}
.step-item:last-child::after{display:none}
.step-no{
  position:relative;z-index:2;
  display:grid;place-items:center;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--c-accent);background:var(--c-accent-l);
  color:#A96C15;font-size:13px;font-weight:700;
  margin-bottom:18px;
}
.step-item h3{font-size:18px;margin-bottom:10px}
.step-item p{font-size:14.5px;line-height:1.85;color:var(--c-text-2);max-width:300px}

/* ---------- Table ---------- */
.table-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.spec-table{font-size:15px}
.spec-table th{
  text-align:left;font-weight:600;font-size:14.5px;
  padding:16px 22px;background:var(--c-primary-l);color:var(--c-primary);
  border-bottom:1px solid var(--c-line);
}
.spec-table th:first-child{width:200px}
.spec-table td{
  padding:16px 22px;color:var(--c-text-2);line-height:1.8;
  border-bottom:1px solid var(--c-line-soft);vertical-align:top;
}
.spec-table td:first-child{color:var(--c-text);font-weight:500}
.spec-table tbody tr:nth-child(even){background:#FCFBF8}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table tbody tr:hover{background:var(--c-primary-l)}

/* ---------- Dark band ---------- */
.band-dark{
  position:relative;
  background-color:var(--c-dark);
  background-image:linear-gradient(120deg,rgba(14,43,38,.94) 0%,rgba(14,43,38,.88) 60%,rgba(11,58,50,.9) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:76px 0;
}
.section-head-dark h2{color:#fff}
.section-head-dark h2::before{background:var(--c-accent)}
.section-head-dark .section-sub{color:rgba(255,255,255,.7)}
.rank-list{display:flex;flex-direction:column;gap:12px;margin-bottom:32px}
.rank-item{
  display:flex;align-items:flex-start;gap:18px;
  padding:20px 24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  transition:background var(--ease),border-color var(--ease);
}
.rank-item:hover{background:rgba(255,255,255,.1);border-color:rgba(217,148,47,.5)}
.rank-no{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--c-accent);color:#3A2606;font-weight:700;font-size:15px;
}
.rank-body h3{font-size:17px;color:#fff;margin-bottom:6px}
.rank-body p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72)}
.rank-tag{
  flex-shrink:0;margin-left:auto;align-self:center;
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-badge);
  background:rgba(217,148,47,.16);color:#F0BE72;border:1px solid rgba(217,148,47,.35);
}

/* ---------- CTA ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--c-primary);color:#fff;
  border-radius:var(--r-img);
  padding:38px 44px;
  box-shadow:var(--sh-2);
}
.cta-bar h2{font-size:clamp(20px,2.3vw,26px);margin-bottom:8px;color:#fff}
.cta-bar p{font-size:15px;color:rgba(255,255,255,.78);max-width:620px}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.76);margin-top:8px}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding:64px 24px 44px;
}
.footer-brand .logo-text{display:block;color:#fff;font-size:18px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px 30px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:12.5px;color:rgba(255,255,255,.52);
}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:50;
  width:48px;height:48px;border-radius:50%;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease),background var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary-d);transform:translateY(-2px)}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .entry-grid{gap:20px}
}
@media (max-width:991.98px){
  .container{padding:0 20px}
  .nav-links,.search-box{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:60px 0}
  .band-dark{padding:60px 0}
  .entry-grid,.guide-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 20px 36px}
  .banner-inner{flex-direction:column;align-items:flex-start;gap:20px;padding-top:36px;padding-bottom:34px}
  .banner-side{padding-bottom:0}
  .cta-bar{flex-direction:column;align-items:flex-start;gap:22px;padding:32px 30px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .header-inner{height:64px;gap:12px}
  .logo-text{font-size:16px}
  .step-track{grid-template-columns:1fr;gap:28px}
  .step-item{padding-right:0}
  .step-item::after{display:none}
  .spec-table th:first-child{width:120px}
  .spec-table th,.spec-table td{padding:13px 16px}
  .rank-item{flex-wrap:wrap;gap:14px;padding:18px}
  .rank-tag{margin-left:52px;align-self:flex-start}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:575.98px){
  .container{padding:0 18px}
  .entry-grid,.guide-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .band-dark{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 18px 30px}
  .cta-bar{padding:26px 22px;border-radius:14px}
  .btn{width:100%}
  .header-actions .btn-sm{width:auto;padding:0 14px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
  .mobile-drawer{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:0ms !important;animation-duration:0ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --c-primary:#12564A;
  --c-primary-d:#0B3A32;
  --c-primary-l:#E4EFEB;
  --c-accent:#D9942F;
  --c-accent-l:#FBF1DF;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-dark:#0E2B26;
  --c-text:#17211F;
  --c-text-2:#5A6663;
  --c-text-3:#98A29E;
  --c-line:#E5E2DA;
  --c-line-soft:#EFEDE7;
  --c-success:#2E7D5B;
  --c-warning:#C4562F;
  --c-info:#2A6F8F;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:999px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(20,40,35,.05), 0 8px 24px -14px rgba(20,40,35,.16);
  --sh-2:0 2px 4px rgba(20,40,35,.06), 0 16px 32px -16px rgba(20,40,35,.24);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-text);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--c-primary);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 8px rgba(20,40,35,.04);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(20,40,35,.10);}
.header-inner{
  display:flex;align-items:center;gap:22px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand svg{width:28px;height:28px;flex:0 0 28px;}
.logo-text{font-size:17px;font-weight:600;letter-spacing:-.01em;color:var(--c-primary-d);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15.5px;line-height:1;color:var(--c-text-2);
  padding:8px 2px;font-weight:500;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:1.4em;height:2px;background:var(--c-primary);border-radius:2px;
  opacity:0;transition:opacity .16s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{opacity:1;}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{position:relative;}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--c-text-3);transition:stroke .16s ease;}
.search-box input{
  width:210px;height:40px;border-radius:var(--r-input);
  border:1px solid transparent;background:var(--c-bg);
  padding:0 12px 0 36px;font-size:14px;
  transition:background .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.search-box input::placeholder{color:var(--c-text-3);}
.search-box input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-l);}
.search-box input:focus + svg,.search-box:focus-within svg{stroke:var(--c-primary);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  transition:background .16s ease,color .16s ease,box-shadow .16s ease,transform .16s ease,border-color .16s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#0E463C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{background:var(--c-primary-d);transform:translateY(0);}
.btn-outline{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-1px);}
.btn-outline:active{background:#D6E6E1;transform:translateY(0);}
.btn-lg{height:48px;padding:0 26px;font-size:16px;}
.btn-block{width:100%;}
.btn:disabled{background:var(--c-line);color:var(--c-text-3);box-shadow:none;cursor:not-allowed;transform:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary-d);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary-d);border-radius:2px;transition:transform .2s ease,top .2s ease;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.drawer-open .nav-toggle span{background:transparent;}
body.drawer-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
body.drawer-open .nav-toggle span::after{top:0;transform:rotate(-45deg);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,43,38,.5);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:110;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);
  background:#fff;z-index:120;padding:26px 22px;
  display:flex;flex-direction:column;gap:22px;
  transform:translateX(102%);transition:transform .24s cubic-bezier(.2,.7,.3,1);
  overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open{overflow:hidden;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-size:15px;font-weight:600;color:var(--c-text-2);}
.drawer-close{width:32px;height:32px;border-radius:50%;background:var(--c-line-soft);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-text-2);}
.drawer-close:hover{background:var(--c-primary-l);color:var(--c-primary);}
.drawer .search-box input{width:100%;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:12px 14px;border-radius:10px;font-size:16px;color:var(--c-text-2);
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--c-bg);color:var(--c-primary);}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-l);border-left-color:var(--c-primary);}
.drawer-foot{margin-top:auto;font-size:12.5px;color:var(--c-text-3);line-height:1.7;border-top:1px solid var(--c-line-soft);padding-top:16px;}

/* ============ 内页 Banner ============ */
.page-banner{
  position:relative;
  background-image:linear-gradient(100deg,rgba(247,245,240,.96) 0%,rgba(247,245,240,.86) 58%,rgba(228,239,235,.82) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.page-banner .container{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  padding-top:52px;padding-bottom:46px;min-height:196px;
}
.banner-main{max-width:660px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-text-3);margin-bottom:14px;flex-wrap:wrap;}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span.sep{color:var(--c-text-3);}
.breadcrumb .current{color:var(--c-text-3);}
.page-banner h1{
  font-size:clamp(26px,3.6vw,40px);line-height:1.28;font-weight:700;letter-spacing:-.01em;
  color:var(--c-primary-d);
}
.banner-sub{margin-top:14px;font-size:16px;color:var(--c-text-2);line-height:1.75;max-width:560px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-badge);
  font-size:13px;font-weight:500;line-height:1;
}
.badge-primary{background:var(--c-primary-l);color:var(--c-primary-d);}
.badge-accent{background:var(--c-accent-l);color:#8A5A12;}
.badge-plain{background:#fff;color:var(--c-text-2);border:1px solid var(--c-line);}
.banner-side{
  flex:0 0 260px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:18px 20px;
}
.banner-side h2{font-size:14px;font-weight:600;color:var(--c-text-2);letter-spacing:.02em;}
.banner-side ul{margin-top:12px;display:flex;flex-direction:column;gap:10px;}
.banner-side li{font-size:14px;color:var(--c-text-2);display:flex;gap:8px;align-items:flex-start;line-height:1.7;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex:0 0 7px;margin-top:9px;}

/* ============ 通用区块 ============ */
.section{padding:82px 0;}
.section-alt{background:#fff;border-top:1px solid var(--c-line-soft);border-bottom:1px solid var(--c-line-soft);}
.section-head{max-width:720px;margin-bottom:38px;}
.section-head h2{
  position:relative;
  font-size:clamp(22px,2.5vw,30px);font-weight:700;line-height:1.32;color:var(--c-primary-d);
  padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--c-primary);
}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:16px;line-height:1.85;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center h2{padding-left:0;}
.section-head.center h2::before{display:none;}

/* ============ 快速定位标签墙 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.quick-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 20px 18px;box-shadow:var(--sh-1);
  position:relative;overflow:hidden;
  transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease;
  display:flex;flex-direction:column;gap:8px;min-height:132px;
}
.quick-card::after{
  content:"";position:absolute;right:0;top:0;width:26px;height:26px;
  background:linear-gradient(225deg,var(--c-primary-l) 0 50%,transparent 50%);
}
.quick-card:hover{border-color:rgba(18,86,74,.4);transform:translateY(-2px);box-shadow:var(--sh-2);}
.quick-card .qc-no{font-size:13px;font-weight:600;color:var(--c-accent);letter-spacing:.06em;}
.quick-card h3{font-size:17px;font-weight:600;color:var(--c-text);line-height:1.5;}
.quick-card p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-top:auto;}

/* ============ 排查方向卡片 ============ */
.dir-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.dir-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.dir-card:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2);}
.dir-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.dir-no{
  flex:0 0 36px;width:36px;height:36px;border-radius:10px;
  background:var(--c-accent-l);color:#8A5A12;font-size:14px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}
.dir-card h3{font-size:18px;font-weight:600;line-height:1.5;}
.dir-card p{font-size:15px;color:var(--c-text-2);line-height:1.85;}
.dir-link{
  margin-top:auto;padding-top:16px;font-size:14px;font-weight:500;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:6px;
}
.dir-link svg{width:14px;height:14px;transition:transform .16s ease;}
.dir-card:hover .dir-link svg{transform:translateX(3px);}

/* ============ 排行区（深色） ============ */
.rank-band{
  position:relative;color:#fff;
  background-color:var(--c-dark);
  background-image:linear-gradient(180deg,rgba(14,43,38,.94),rgba(14,43,38,.96)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.rank-band .section-head h2{color:#fff;}
.rank-band .section-head h2::before{background:var(--c-accent);}
.rank-band .section-head p{color:rgba(255,255,255,.72);}
.rank-list{display:flex;flex-direction:column;gap:14px;}
.rank-item{
  display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:20px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:18px 22px;
  transition:background .16s ease,border-color .16s ease,transform .16s ease;
}
.rank-item:hover{background:rgba(255,255,255,.1);border-color:rgba(217,148,47,.55);transform:translateY(-2px);}
.rank-no{
  font-size:22px;font-weight:700;color:var(--c-accent);letter-spacing:.02em;
}
.rank-body h3{font-size:16.5px;font-weight:600;color:#fff;line-height:1.5;}
.rank-body p{font-size:14px;color:rgba(255,255,255,.68);margin-top:4px;line-height:1.7;}
.rank-meter{width:132px;height:6px;border-radius:6px;background:rgba(255,255,255,.16);overflow:hidden;}
.rank-meter i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--c-accent),#EFB86A);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--c-line-soft);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  min-height:56px;padding:14px 24px;
  font-size:16.5px;font-weight:600;color:var(--c-text);
  position:relative;
  transition:background .16s ease,color .16s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:0 3px 3px 0;
  background:var(--c-primary);opacity:0;transition:opacity .16s ease;
}
.faq-item summary:hover{background:var(--c-bg);color:var(--c-primary);}
.faq-item[open] summary{color:var(--c-primary-d);}
.faq-item[open] summary::before{opacity:1;}
.faq-icon{
  position:relative;flex:0 0 16px;width:16px;height:16px;margin-left:auto;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .24s cubic-bezier(.2,.7,.3,1),opacity .24s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);}
.faq-answer{padding:0 24px 22px 42px;color:var(--c-text-2);font-size:15.5px;line-height:1.9;}
.faq-answer strong{color:var(--c-text);font-weight:600;}
.faq-answer .tip{
  display:block;margin-top:12px;padding:12px 16px;border-radius:10px;
  background:var(--c-accent-l);border-left:3px solid var(--c-accent);
  font-size:14px;color:#7A4F10;line-height:1.75;
}

/* ============ 准备清单 + 图片 ============ */
.prep-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.prep-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.prep-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:border-color .16s ease,transform .16s ease;
}
.prep-item:hover{border-color:rgba(18,86,74,.4);transform:translateY(-2px);}
.prep-item .pno{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  border:1.5px solid var(--c-accent);color:#8A5A12;
  font-size:13.5px;font-weight:600;display:flex;align-items:center;justify-content:center;
}
.prep-item h3{font-size:16.5px;font-weight:600;line-height:1.5;}
.prep-item p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;margin-top:4px;}
.prep-figure{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);}
.prep-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.prep-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;font-size:13px;line-height:1.6;color:#fff;
  background:linear-gradient(180deg,rgba(11,58,50,0),rgba(11,58,50,.82));
}
.float-card{
  position:absolute;right:16px;top:16px;
  background:rgba(255,255,255,.95);border-radius:12px;
  padding:10px 14px;box-shadow:var(--sh-1);
  font-size:12.5px;color:var(--c-text-2);line-height:1.5;
}
.float-card b{display:block;font-size:20px;color:var(--c-accent);font-weight:700;line-height:1.2;}

/* ============ 咨询区 ============ */
.consult-band{padding:0 0 82px;}
.consult-card{
  display:grid;grid-template-columns:5fr 7fr;gap:0;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-img);
  box-shadow:var(--sh-1);overflow:hidden;
}
.consult-info{padding:34px 32px;background:var(--c-primary-l);}
.consult-info h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--c-primary-d);line-height:1.4;}
.consult-info p{margin-top:14px;font-size:15px;color:var(--c-text-2);line-height:1.85;}
.consult-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.consult-points li{display:flex;gap:10px;font-size:14.5px;color:var(--c-text-2);line-height:1.75;}
.consult-points svg{flex:0 0 16px;width:16px;height:16px;margin-top:6px;stroke:var(--c-primary);}
.consult-form{padding:34px 32px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:13px;color:var(--c-text-2);font-weight:500;}
.field label .req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--c-primary);margin-left:6px;vertical-align:middle;}
.field input,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:11px 14px;font-size:15px;background:#fff;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-l);
}
.form-note{font-size:12.5px;color:var(--c-text-3);line-height:1.7;margin-top:4px;}
.form-note a{color:var(--c-text-2);text-decoration:underline;text-underline-offset:3px;text-decoration-style:dotted;}
.form-note a:hover{color:var(--c-primary);}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 82px;}
.cta-inner{
  background:var(--c-primary);color:#fff;border-radius:var(--r-img);
  padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-2);
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;}
.cta-inner p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.82);line-height:1.75;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}
.btn-light{background:#fff;color:var(--c-primary-d);}
.btn-light:hover{background:#F2F8F6;color:var(--c-primary-d);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);color:rgba(255,255,255,.78);
  padding:60px 0 26px;font-size:14.5px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo-text{color:#fff;font-size:17px;display:block;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.52);line-height:1.75;
}
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);z-index:90;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease,visibility .2s ease,transform .2s ease,background .16s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-d);color:#fff;}
.to-top svg{width:20px;height:20px;stroke:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .search-box input{width:180px;}
  .nav-links{gap:20px;}
}
@media (max-width:991px){
  .nav-links,.header-tools .search-box{display:none;}
  .nav-toggle{display:flex;}
  .header-tools{margin-left:auto;}
  .page-banner .container{flex-direction:column;align-items:flex-start;gap:24px;padding-top:40px;padding-bottom:36px;min-height:0;}
  .banner-side{flex:1 1 auto;width:100%;}
  .section{padding:64px 0;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .dir-grid{grid-template-columns:repeat(2,1fr);}
  .prep-grid{grid-template-columns:1fr;gap:30px;}
  .consult-card{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .quick-grid{grid-template-columns:1fr;}
  .dir-grid{grid-template-columns:1fr;}
  .rank-item{grid-template-columns:40px 1fr;gap:14px;}
  .rank-meter{display:none;}
  .form-row{grid-template-columns:1fr;}
  .faq-answer{padding:0 18px 20px 22px;}
  .faq-item summary{padding:14px 18px;font-size:16px;}
  .consult-info,.consult-form{padding:26px 22px;}
  .cta-inner{padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .header-inner{height:64px;gap:12px;}
  .logo-text{font-size:15.5px;}
  .banner-tags{gap:8px;}
  .badge{font-size:12px;padding:5px 11px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}