/* roulang page: index */
:root{
  --ink:#0B2B26;
  --ink-2:#14453C;
  --ink-3:#1C5A4D;
  --lime:#C8F560;
  --lime-soft:rgba(200,245,96,.16);
  --coral:#FF6A3D;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --sub:#EDEAE1;
  --text:#12211E;
  --muted:#4A5A55;
  --weak:#7C8A85;
  --line:rgba(11,43,38,.10);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --r-xs:6px;
  --sh:0 10px 28px rgba(11,43,38,.08);
  --sh-hover:0 16px 34px rgba(11,43,38,.14);
  --sec:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;padding:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
h1,h2,h3,h4,h5,h6{margin:0;font-family:var(--font);font-weight:800;letter-spacing:-.01em;color:var(--text);line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
img{display:block;max-width:100%;height:auto}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit;color:var(--text)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-title{font-size:32px;line-height:1.25}
.section-desc{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink-2);text-transform:uppercase}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);box-shadow:0 0 0 3px var(--lime-soft)}
.link-text{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink-2);border-bottom:2px solid transparent}
.link-text:hover{color:var(--ink);border-bottom-color:var(--lime)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--ink);color:#fff;transition:box-shadow .25s ease,background-color .25s ease}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.08);opacity:0;transition:opacity .25s ease}
.site-header.is-compact{box-shadow:0 6px 20px rgba(11,43,38,.28)}
.site-header.is-compact::after{opacity:1}
.nav-main{display:flex;align-items:center;gap:28px;height:64px;transition:height .25s ease}
.site-header.is-compact .nav-main{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:#fff;flex:none}
.brand-dot{width:12px;height:12px;border-radius:4px;background:var(--lime);transform:rotate(45deg);box-shadow:0 0 0 4px rgba(200,245,96,.18)}
.brand small{font-weight:700;font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.55);margin-left:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{display:inline-block;padding:7px 14px;border-radius:999px;font-size:15px;font-weight:600;color:rgba(255,255,255,.76)}
.nav-links a:hover{color:var(--lime);background:rgba(255,255,255,.07)}
.nav-links a.active{color:var(--ink);background:var(--lime)}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:999px;border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.85);background:transparent}
.icon-btn:hover{color:var(--ink);background:var(--lime);border-color:var(--lime)}
.icon-btn svg{width:17px;height:17px}
.nav-service{font-size:14px;font-weight:600;color:rgba(255,255,255,.8);padding:7px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.18)}
.nav-service:hover{color:var(--ink);background:var(--lime);border-color:var(--lime)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.2);color:#fff}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.trend-bar{max-height:44px;overflow:hidden;transition:max-height .25s ease,opacity .2s ease;opacity:1}
.site-header.is-compact .trend-bar{max-height:0;opacity:0}
.trend-inner{display:flex;align-items:center;gap:14px;height:44px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.62)}
.trend-inner strong{color:var(--lime);font-weight:700;letter-spacing:.06em}
.trend-item{display:inline-flex;align-items:center;gap:14px}
.trend-item a{color:rgba(255,255,255,.72);font-weight:500}
.trend-item a:hover{color:var(--lime)}
.trend-item span{width:1px;height:12px;background:rgba(255,255,255,.18);display:inline-block}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;padding:72px 0 64px;overflow:hidden}
.hero-glow{position:absolute;inset:0;background:radial-gradient(circle at 84% 12%,rgba(200,245,96,.18),transparent 56%);pointer-events:none}
.hero-dots{position:absolute;right:0;top:0;width:40%;height:100%;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:22px 22px;opacity:.4;pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:44px;line-height:1.2;color:#fff;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--lime);border-bottom:4px solid rgba(200,245,96,.35)}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.76);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-size:15px;font-weight:700;line-height:1.2;border:1.5px solid transparent;transition:all .22s ease;white-space:nowrap}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 22px rgba(200,245,96,.22)}
.btn-primary:hover{background:#d4fa78;color:var(--ink);transform:translateY(-2px) scale(1.02);box-shadow:0 12px 26px rgba(200,245,96,.3)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ghost:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:rgba(11,43,38,.42)}
.btn-outline:hover{background:var(--ink);color:var(--bg);border-color:var(--ink);transform:translateY(-2px)}
.btn-block{width:100%}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags span{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--r-xs);font-size:13px;font-weight:600;color:rgba(255,255,255,.82);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
.hero-tags span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:var(--r-lg);border:1px solid rgba(255,255,255,.14);box-shadow:0 24px 50px rgba(0,0,0,.4);object-fit:cover;aspect-ratio:4/3}
.hero-stat{position:absolute;left:20px;bottom:-22px;display:flex;align-items:center;gap:14px;padding:16px 20px;border-radius:var(--r-md);background:rgba(11,43,38,.92);border:1px solid rgba(200,245,96,.28);box-shadow:0 12px 28px rgba(0,0,0,.32)}
.hero-stat b{font-size:26px;color:var(--lime);font-weight:800;line-height:1}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.72);line-height:1.5;max-width:110px}
.hero-hot{position:relative;display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.6)}
.hero-hot strong{color:var(--lime);letter-spacing:.06em;font-weight:700}
.hero-hot a{padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.8);font-weight:600}
.hero-hot a:hover{background:var(--lime);color:var(--ink)}

/* ---------- 能力卡 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cap-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 28px;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease}
.cap-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.cap-num{font-size:44px;font-weight:800;line-height:1;color:rgba(11,43,38,.08);letter-spacing:-.04em}
.cap-card h3{font-size:20px;margin-top:14px}
.cap-card p{margin-top:12px;font-size:15px;color:var(--muted)}
.cap-card .link-text{margin-top:18px;font-size:14px}
.cap-card::after{content:"";position:absolute;left:28px;right:28px;top:0;height:3px;border-radius:0 0 4px 4px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.cap-card:hover::after{transform:scaleX(1)}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--ink);color:#fff;border-radius:24px;padding:52px 40px;position:relative;overflow:hidden}
.stat-band::before{content:"";position:absolute;left:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(200,245,96,.2)}
.stat-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item b{display:block;font-size:40px;font-weight:800;color:var(--lime);line-height:1.1;letter-spacing:-.02em}
.stat-item span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.72)}
.stat-band-foot{position:relative;margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.stat-band-foot p{font-size:14px;color:rgba(255,255,255,.7)}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.news-thumb{position:relative;display:block;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-xs);font-size:12px;font-weight:700;letter-spacing:.02em}
.badge-coral{background:#FFF1EC;color:#C2411C;border:1px solid rgba(255,106,61,.45)}
.news-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);border:1px solid rgba(255,106,61,.5);color:#C2411C}
.news-body{display:flex;flex-direction:column;flex:1;padding:22px 24px 24px}
.news-title{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--ink-2)}
.news-desc{margin-top:10px;font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:18px;font-size:13px;color:var(--weak)}
.news-more{font-weight:700;color:var(--ink-2)}
.news-more:hover{color:var(--coral)}
.news-empty{grid-column:1/-1;padding:40px 28px;text-align:center;background:var(--card);border:1px dashed rgba(11,43,38,.2);border-radius:var(--r-lg);color:var(--muted)}
.news-empty a{color:var(--ink-2);font-weight:700;border-bottom:2px solid var(--lime)}
.news-empty a:hover{color:var(--coral)}

/* ---------- 案例 ---------- */
.case-list{display:flex;flex-direction:column;gap:48px}
.case-item{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center}
.case-item:nth-child(even) .case-media{order:2}
.case-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh)}
.case-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .45s ease}
.case-item:hover .case-media img{transform:scale(1.03)}
.case-no{position:absolute;left:16px;top:14px;font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--ink);background:var(--lime);padding:3px 10px;border-radius:var(--r-xs)}
.case-body h3{font-size:24px;line-height:1.4}
.case-body p{margin-top:14px;color:var(--muted);font-size:15px}
.case-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-xs);font-size:13px;font-weight:600;color:var(--ink-2);background:var(--sub);border:1px solid var(--line)}
.tag-lime{background:var(--lime-soft);border-color:rgba(200,245,96,.7);color:var(--ink-2)}

/* ---------- 解决方案 ---------- */
.solution{background:var(--sub);border-radius:24px;padding:52px 40px}
.sol-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.sol-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 24px;transition:transform .25s ease,box-shadow .25s ease}
.sol-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.sol-item b{display:block;font-size:13px;letter-spacing:.1em;color:var(--coral);font-weight:800}
.sol-item h3{font-size:18px;margin-top:12px}
.sol-item p{margin-top:10px;font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.9fr 1.6fr;gap:56px;align-items:start}
.faq-aside p{margin-top:16px;color:var(--muted);font-size:15px}
.faq-aside .btn{margin-top:26px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;align-items:center;gap:16px;width:100%;padding:22px 4px;text-align:left;font-size:16px;font-weight:700;color:var(--text);transition:background-color .2s ease,padding .2s ease}
.faq-q:hover{background:rgba(255,255,255,.6)}
.faq-q .q-no{font-size:13px;font-weight:800;color:var(--weak);letter-spacing:.06em;flex:none}
.faq-q .q-text{flex:1}
.faq-sign{position:relative;flex:none;width:28px;height:28px;border-radius:50%;border:1.5px solid rgba(11,43,38,.24);transition:all .25s ease}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);transform:translate(-50%,-50%);transition:opacity .25s ease,background-color .25s ease}
.faq-sign::before{width:11px;height:1.5px}
.faq-sign::after{width:1.5px;height:11px}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 4px 24px 44px;font-size:15px;color:var(--muted)}
.faq-item.is-open{background:var(--bg)}
.faq-item.is-open .faq-q{font-weight:800}
.faq-item.is-open .faq-sign{background:var(--lime);border-color:var(--lime);transform:rotate(180deg)}
.faq-item.is-open .faq-sign::after{opacity:0}
.faq-item.is-open .faq-a{max-height:320px}

/* ---------- 联系 ---------- */
.contact-wrap{display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:start}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--sh)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:700;color:var(--ink-2)}
.field label .req{color:var(--coral);margin-left:4px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #D9D5C8;border-radius:var(--r-sm);background:#FDFCF8;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(11,43,38,.32)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--lime);box-shadow:0 0 0 3px var(--lime-soft);outline:none}
.field textarea{min-height:120px;resize:vertical}
.form-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:24px}
.form-note{font-size:13px;color:var(--weak)}
.form-feedback{margin-top:16px;font-size:14px;font-weight:600;color:var(--ink-2);display:none}
.form-feedback.show{display:block}
.side-card{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:32px 28px;box-shadow:var(--sh)}
.side-card h3{color:#fff;font-size:19px}
.side-list{margin-top:20px;display:flex;flex-direction:column;gap:18px}
.side-list li{display:flex;gap:14px;font-size:14px;color:rgba(255,255,255,.76);line-height:1.7}
.side-list li b{display:block;color:var(--lime);font-size:13px;letter-spacing:.06em;margin-bottom:2px}
.side-tip{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.58);line-height:1.8}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--ink-2);border-radius:24px;padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(200,245,96,.24),transparent 70%)}
.cta-band h2{color:#fff;font-size:26px;position:relative}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);position:relative}
.cta-band .btn{position:relative}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand .brand{font-size:20px}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;letter-spacing:.02em}
.footer-col ul{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--lime)}
.footer-col p{font-size:14px;line-height:1.85}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom .to-top{color:rgba(255,255,255,.72);font-weight:600}
.footer-bottom .to-top:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero h1{font-size:38px}
  .section-title{font-size:28px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-toggle{display:inline-flex}
  .nav-links{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:14px 24px 20px;background:var(--ink-2);border-top:1px solid rgba(255,255,255,.1);box-shadow:0 18px 30px rgba(0,0,0,.32);display:none}
  .nav-links.is-open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px}
  .nav-service{display:none}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero h1{font-size:34px}
  .hero-sub{max-width:none}
  .cap-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .case-item{grid-template-columns:1fr;gap:24px}
  .case-item:nth-child(even) .case-media{order:0}
  .sol-list{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .contact-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:639px){
  :root{--sec:56px}
  .container{padding:0 18px}
  .hero{padding:48px 0 40px}
  .hero h1{font-size:27px;line-height:1.32}
  .hero-sub{font-size:15px;margin-top:16px}
  .hero-actions{gap:10px;margin-top:26px}
  .btn{padding:12px 22px;font-size:14px}
  .hero-media img{aspect-ratio:16/11}
  .hero-stat{position:static;margin-top:14px;left:auto;bottom:auto}
  .hero-hot{margin-top:36px}
  .cap-grid,.news-grid{grid-template-columns:1fr}
  .stat-band,.solution,.cta-band{padding:32px 22px;border-radius:18px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .stat-item b{font-size:30px}
  .section-title{font-size:24px}
  .section-head{margin-bottom:28px}
  .cap-card,.form-card,.side-card{padding:22px 20px}
  .news-body{padding:18px 20px 20px}
  .faq-q{font-size:15px;gap:12px;padding:18px 2px}
  .faq-a p{padding-left:32px}
  .form-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --ink:#0B2B26;
  --ink-2:#14453C;
  --ink-3:#1D5A4E;
  --lime:#C8F560;
  --lime-soft:rgba(200,245,96,.16);
  --coral:#FF6A3D;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --sub:#EDEAE1;
  --text:#12211E;
  --text-2:#4A5A55;
  --text-3:#7C8A85;
  --line:rgba(11,43,38,.10);
  --line-strong:rgba(11,43,38,.18);
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 28px rgba(11,43,38,.08);
  --shadow-hover:0 16px 34px rgba(11,43,38,.14);
  --space-block:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--ink-2);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
a:hover{color:var(--ink);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px;}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--space-block) 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--ink-2);text-transform:uppercase;
  background:var(--lime-soft);border-radius:6px;padding:6px 12px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);}
.section-title{font-size:34px;line-height:1.28;font-weight:800;letter-spacing:-.01em;}
.section-desc{margin-top:14px;color:var(--text-2);font-size:16px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow .28s ease;
}
.site-header.is-compact{box-shadow:0 8px 24px rgba(11,43,38,.28);}
.nav-main{display:flex;align-items:center;gap:28px;height:64px;transition:height .28s ease;}
.site-header.is-compact .nav-main{height:56px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-weight:800;font-size:19px;letter-spacing:-.01em;white-space:nowrap;
}
.brand small{
  display:block;font-size:10px;letter-spacing:.16em;font-weight:600;
  color:rgba(246,244,238,.55);margin-top:-6px;
}
.brand:hover{color:var(--lime);}
.brand-dot{
  width:12px;height:12px;border-radius:3px;background:var(--lime);
  box-shadow:8px 0 0 -2px rgba(200,245,96,.45);
  flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  color:rgba(246,244,238,.78);font-size:15px;font-weight:600;line-height:1.4;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.active{color:var(--ink);background:var(--lime);}
.nav-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  color:rgba(246,244,238,.8);border:1px solid rgba(255,255,255,.14);
}
.icon-btn svg{width:17px;height:17px;}
.icon-btn:hover{color:var(--ink);background:var(--lime);border-color:var(--lime);}
.nav-service{
  font-size:14px;font-weight:700;color:var(--lime);
  padding:8px 16px;border:1.5px solid rgba(200,245,96,.55);border-radius:999px;
}
.nav-service:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:16px;height:2px;border-radius:2px;background:#fff;
  transform:translateX(-50%);transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}
.trend-bar{background:var(--ink-2);overflow:hidden;max-height:44px;transition:max-height .28s ease,opacity .2s ease;}
.site-header.is-compact .trend-bar{max-height:0;opacity:0;}
.trend-inner{display:flex;align-items:center;gap:14px;height:40px;font-size:13px;color:rgba(246,244,238,.62);}
.trend-inner strong{color:var(--lime);font-size:12px;letter-spacing:.1em;font-weight:700;white-space:nowrap;}
.trend-item{display:inline-flex;align-items:center;gap:14px;white-space:nowrap;}
.trend-item a{color:rgba(246,244,238,.78);font-size:13px;}
.trend-item a:hover{color:var(--lime);}
.trend-item span{width:1px;height:12px;background:rgba(255,255,255,.18);display:inline-block;}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:var(--ink);color:#F6F4EE;overflow:hidden;}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.38;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,43,38,.94) 0%,rgba(11,43,38,.78) 52%,rgba(20,69,60,.62) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 72px;max-width:820px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,244,238,.6);margin-bottom:22px;}
.breadcrumb a{color:rgba(246,244,238,.75);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--lime);font-weight:600;}
.page-hero h1{
  font-size:44px;line-height:1.22;font-weight:800;letter-spacing:-.01em;color:#fff;
}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.page-hero p.lead{margin-top:18px;font-size:16.5px;color:rgba(246,244,238,.82);max-width:660px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;padding:6px 12px;border-radius:6px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:rgba(246,244,238,.86);
}
.tag--coral{color:var(--coral);border-color:rgba(255,106,61,.45);background:rgba(255,106,61,.10);}
.tag--lime{color:var(--lime);border-color:rgba(200,245,96,.4);background:rgba(200,245,96,.10);}

/* ---------- intro cards ---------- */
.intro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.info-card .num{
  font-size:34px;font-weight:800;color:var(--ink);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.info-card .num span{color:var(--coral);}
.info-card h3{margin-top:16px;font-size:19px;font-weight:800;}
.info-card p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.8;}

/* ---------- featured ---------- */
.featured{
  display:grid;grid-template-columns:7fr 5fr;gap:0;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.featured-media{position:relative;min-height:340px;overflow:hidden;background:var(--ink-2);}
.featured-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.featured:hover .featured-media img{transform:scale(1.04);}
.featured-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,43,38,.06),rgba(11,43,38,.42));
}
.featured-flag{
  position:absolute;top:18px;left:18px;z-index:2;
  background:var(--coral);color:#fff;font-size:12px;font-weight:700;
  letter-spacing:.06em;padding:6px 12px;border-radius:6px;
}
.featured-body{padding:38px 36px;display:flex;flex-direction:column;justify-content:center;}
.featured-body h2{font-size:28px;line-height:1.34;font-weight:800;letter-spacing:-.01em;margin-top:14px;}
.featured-body p{margin-top:16px;color:var(--text-2);font-size:15.5px;}
.featured-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
  padding-top:20px;border-top:1px solid var(--line);
}
.featured-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}

/* ---------- news grid ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  display:flex;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.news-thumb{flex:0 0 40%;max-width:40%;overflow:hidden;background:var(--sub);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:24px 24px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.04em;
  color:var(--coral);border:1px solid rgba(255,106,61,.4);border-radius:6px;padding:3px 9px;
  background:rgba(255,106,61,.07);
}
.badge--lime{color:var(--ink-2);border-color:rgba(11,43,38,.18);background:var(--lime-soft);}
.news-body h3{font-size:18px;line-height:1.5;font-weight:800;}
.news-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
  padding-top:14px;border-top:1px solid var(--line);
}
.read-link{font-weight:700;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px;}
.news-card:hover .read-link{color:var(--coral);}
.read-link::after{content:"→";transition:transform .22s ease;}
.news-card:hover .read-link::after{transform:translateX(4px);}

/* ---------- steps ---------- */
.steps-wrap{background:var(--sub);border-radius:var(--radius-lg);padding:56px 48px;}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;counter-reset:step;}
.step{position:relative;padding-top:26px;border-top:3px solid var(--ink);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--coral);
  position:absolute;top:-26px;left:0;background:var(--sub);padding-right:10px;
}
.step h3{font-size:19px;font-weight:800;}
.step p{margin-top:10px;color:var(--text-2);font-size:15px;}

/* ---------- data band ---------- */
.data-band{background:var(--ink);color:#F6F4EE;position:relative;overflow:hidden;}
.data-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  background-image:radial-gradient(rgba(200,245,96,.28) 1.5px,transparent 1.5px);
  background-size:16px 16px;opacity:.5;pointer-events:none;
}
.data-inner{position:relative;z-index:2;}
.data-title{font-size:26px;font-weight:800;letter-spacing:-.01em;color:#fff;max-width:560px;}
.data-title em{font-style:normal;color:var(--lime);}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:44px;}
.data-item{border-left:1px solid rgba(255,255,255,.14);padding-left:22px;}
.data-item strong{
  display:block;font-size:40px;line-height:1.1;font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.data-item span{display:block;margin-top:10px;font-size:14px;color:rgba(246,244,238,.72);}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;gap:16px;padding:24px 4px;cursor:pointer;
  list-style:none;font-size:17px;font-weight:700;color:var(--text);
  transition:background-color .22s ease,color .22s ease,padding .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(200,245,96,.10);padding-left:12px;}
.faq-num{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--coral);font-variant-numeric:tabular-nums;flex:0 0 auto;}
.faq-icon{
  margin-left:auto;flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line-strong);display:grid;place-items:center;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.faq-icon::before{content:"+";font-size:16px;line-height:1;color:var(--ink-2);}
.faq-item[open] .faq-icon{background:var(--ink);border-color:var(--ink);}
.faq-item[open] .faq-icon::before{content:"−";color:var(--lime);}
.faq-item[open] summary{font-weight:800;}
.faq-answer{padding:0 4px 26px 44px;color:var(--text-2);font-size:15.5px;}
.faq-item[open] .faq-answer{background:rgba(237,234,225,.45);border-radius:0 0 12px 12px;}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-3) 100%);
  color:#F6F4EE;border-radius:var(--radius-lg);padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-70px;width:220px;height:220px;
  border:26px solid rgba(200,245,96,.14);border-radius:50%;
}
.cta-band h2{font-size:30px;line-height:1.32;font-weight:800;color:#fff;letter-spacing:-.01em;max-width:560px;}
.cta-band p{margin-top:12px;color:rgba(246,244,238,.76);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  line-height:1.4;transition:transform .2s ease,background-color .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);border:1.5px solid var(--lime);}
.btn-primary:hover{background:#d6ff77;border-color:#d6ff77;color:var(--ink);transform:translateY(-2px) scale(1.02);box-shadow:0 10px 22px rgba(200,245,96,.28);}
.btn-primary:active{transform:translateY(0) scale(1);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#F6F4EE;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-on-dark{background:transparent;color:#F6F4EE;border:1.5px solid rgba(246,244,238,.55);}
.btn-on-dark:hover{background:#F6F4EE;color:var(--ink);border-color:#F6F4EE;transform:translateY(-2px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(246,244,238,.72);padding:64px 0 0;margin-top:var(--space-block);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;font-size:18px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(246,244,238,.62);max-width:340px;}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:#fff;font-weight:800;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:rgba(246,244,238,.68);}
.footer-col li a:hover{color:var(--lime);}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(246,244,238,.62);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(246,244,238,.5);
}
.to-top{color:var(--lime);font-weight:700;}
.to-top:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--space-block:72px;}
  .page-hero h1{font-size:36px;}
  .intro-grid{grid-template-columns:repeat(2,1fr);}
  .featured{grid-template-columns:1fr;}
  .featured-media{min-height:260px;}
  .news-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:36px;}
  .steps-wrap{padding:40px 32px;}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:44px 32px;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    background:var(--ink);border-top:1px solid rgba(255,255,255,.1);
    flex-direction:column;align-items:stretch;gap:4px;padding:14px 24px 20px;
    display:none;box-shadow:0 18px 30px rgba(11,43,38,.35);
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:12px 14px;border-radius:10px;}
  .nav-toggle{display:block;}
  .nav-main{gap:16px;}
}
@media (max-width:768px){
  :root{--space-block:56px;}
  .container{padding:0 20px;}
  .page-hero-inner{padding:44px 0 52px;}
  .page-hero h1{font-size:30px;}
  .section-title{font-size:26px;}
  .intro-grid{grid-template-columns:1fr;}
  .news-card{flex-direction:column;}
  .news-thumb{flex:none;max-width:100%;height:190px;}
  .featured-body{padding:28px 24px;}
  .featured-body h2{font-size:22px;}
  .info-card{padding:22px 20px;}
  .data-item strong{font-size:32px;}
  .cta-band h2{font-size:23px;}
  .cta-band{padding:36px 24px;border-radius:var(--radius);}
  .faq-item summary{font-size:15.5px;gap:12px;padding:20px 0;}
  .faq-answer{padding-left:12px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .trend-inner{overflow-x:auto;scrollbar-width:none;}
  .trend-inner::-webkit-scrollbar{display:none;}
  .nav-service{display:none;}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px;}
  .brand{font-size:16.5px;}
  .brand small{display:none;}
  .data-grid{grid-template-columns:1fr;gap:24px;}
  .data-item{border-left:none;border-top:1px solid rgba(255,255,255,.14);padding-left:0;padding-top:18px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --ink:#0B2B26;
  --ink-2:#14453C;
  --lime:#C8F560;
  --coral:#FF6A3D;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --bg-2:#EDEAE1;
  --text:#12211E;
  --text-2:#4A5A55;
  --text-3:#7C8A85;
  --line:rgba(11,43,38,.10);
  --cream:#F4F7F1;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 28px rgba(11,43,38,.08);
  --shadow-hover:0 16px 36px rgba(11,43,38,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ink);
  color:var(--cream);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:box-shadow .28s var(--ease),background-color .28s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(11,43,38,.22)}
.nav-main{
  display:flex;
  align-items:center;
  gap:22px;
  height:64px;
  transition:height .28s var(--ease);
}
.site-header.is-scrolled .nav-main{height:56px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  color:#fff;
  white-space:nowrap;
}
.brand-dot{
  width:12px;height:12px;
  border-radius:3px;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,245,96,.16);
  flex:0 0 auto;
}
.brand small{
  font-size:10px;
  letter-spacing:.18em;
  font-weight:600;
  color:rgba(244,247,241,.5);
  transform:translateY(2px);
}
.nav-links{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-links a{
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  font-size:15px;
  color:rgba(244,247,241,.78);
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(255,255,255,.09);color:#fff}
.nav-links a.active{background:var(--lime);color:var(--ink);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  color:rgba(244,247,241,.85);
}
.icon-btn svg{width:17px;height:17px}
.icon-btn:hover{color:var(--lime);border-color:var(--lime);background:rgba(255,255,255,.08)}
.nav-service{
  padding:8px 18px;
  border-radius:999px;
  background:var(--lime);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
}
.nav-service:hover{filter:brightness(1.06);transform:translateY(-1px)}
.nav-toggle{
  display:none;
  position:relative;
  width:40px;height:38px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
}
.nav-toggle span{position:absolute;left:50%;top:50%;width:16px;height:2px;background:#fff;border-radius:2px;transform:translate(-50%,-50%)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:#fff;border-radius:2px;transition:transform .2s var(--ease)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.trend-bar{
  height:40px;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:rgba(255,255,255,.05);
  border-top:1px solid rgba(255,255,255,.06);
  transition:height .28s var(--ease),opacity .2s var(--ease);
}
.site-header.is-scrolled .trend-bar{height:0;opacity:0;border-top-color:transparent}
.trend-inner{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:rgba(244,247,241,.72);
  white-space:nowrap;
  overflow-x:auto;
  scrollbar-width:none;
}
.trend-inner::-webkit-scrollbar{display:none}
.trend-inner strong{color:var(--lime);font-size:12px;letter-spacing:.1em}
.trend-item{display:inline-flex;align-items:center;gap:14px}
.trend-item span{display:inline-block;width:1px;height:12px;background:rgba(255,255,255,.2)}
.trend-inner a:hover{color:var(--lime)}

/* ============ 文章页头 ============ */
.article-hero{
  position:relative;
  padding:38px 0 54px;
  color:var(--cream);
  background:var(--ink) url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(102deg,rgba(11,43,38,.96) 0%,rgba(11,43,38,.86) 55%,rgba(20,69,60,.78) 100%);
}
.article-hero .container{position:relative;z-index:1}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(244,247,241,.62);
}
.crumbs a{color:rgba(244,247,241,.85)}
.crumbs a:hover{color:var(--lime)}
.crumb-sep{opacity:.4}
.crumb-current{
  display:inline-block;
  max-width:360px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  vertical-align:bottom;
  color:#fff;
}
.cat-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:22px;
  padding:5px 12px;
  border-radius:6px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--coral);
  border:1px solid rgba(255,106,61,.55);
  background:rgba(255,106,61,.12);
}
.cat-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral)}
.article-title{
  margin:14px 0 18px;
  max-width:920px;
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.01em;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  font-size:13px;
  color:rgba(244,247,241,.72);
  font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--lime);flex:0 0 auto}

/* ============ 正文区 ============ */
.article-section{padding:48px 0 76px}
.article-shell{
  position:relative;
  max-width:960px;
  margin:0 auto;
  padding:48px 56px 52px;
  background:var(--card);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.article-shell::before{
  content:"";
  position:absolute;
  left:24px;
  top:48px;
  bottom:48px;
  border-left:2px dashed rgba(11,43,38,.16);
}
.article-body{max-width:780px;margin:0 auto;font-size:16px;color:var(--text)}
.article-body h2{
  position:relative;
  margin:38px 0 14px;
  padding-left:16px;
  font-size:24px;
  line-height:1.45;
  font-weight:800;
  letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.26em;
  width:4px;
  height:.95em;
  border-radius:2px;
  background:var(--lime);
}
.article-body h3{
  position:relative;
  margin:28px 0 12px;
  padding-left:15px;
  font-size:19px;
  line-height:1.5;
  font-weight:700;
}
.article-body h3::before{
  content:"";
  position:absolute;
  left:0;
  top:.5em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--lime);
}
.article-body p{margin:0 0 18px;line-height:1.85}
.article-body ul,.article-body ol{margin:0 0 20px;padding:0}
.article-body li{position:relative;margin:0 0 10px;padding-left:22px;line-height:1.8;color:var(--text-2)}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--lime);
}
.article-body ol{counter-reset:item}
.article-body ol li{counter-increment:item}
.article-body ol li::before{
  content:counter(item) ".";
  position:absolute;
  left:0;top:0;
  font-size:14px;
  font-weight:800;
  color:var(--ink-2);
}
.article-body blockquote{
  margin:24px 0;
  padding:16px 22px;
  border-left:3px solid var(--lime);
  border-radius:0 12px 12px 0;
  background:var(--bg-2);
  color:var(--text-2);
  font-size:15px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:24px 0;border-radius:12px}
.article-body figcaption,.article-body .caption{
  margin-top:-10px;
  font-size:13px;
  color:var(--text-3);
}
.article-body a{
  color:var(--ink-2);
  text-decoration:underline;
  text-decoration-color:rgba(200,245,96,.95);
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--coral);text-decoration-color:rgba(255,106,61,.6)}
.article-body strong{font-weight:700;color:var(--text)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.article-body th{
  padding:12px 14px;
  text-align:left;
  font-weight:700;
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text-2)}
.empty-state{padding:36px 0 20px;text-align:center}
.empty-state h2{padding-left:0;font-size:22px}
.empty-state h2::before{display:none}
.empty-state p{margin:10px 0 22px;color:var(--text-2)}
.article-note{
  max-width:960px;
  margin:26px auto 0;
  padding:18px 22px;
  border-left:3px solid var(--coral);
  border-radius:0 12px 12px 0;
  background:rgba(255,106,61,.07);
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
}
.article-note strong{color:var(--text)}

/* ============ 相关阅读 ============ */
.related{max-width:960px;margin:56px auto 0}
.related-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:20px;
}
.related-head h2{font-size:24px;font-weight:800;letter-spacing:-.01em}
.related-head .more{font-size:14px;color:var(--ink-2);font-weight:700}
.related-head .more:hover{color:var(--coral)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:var(--radius);
  background:var(--card);
  box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{display:flex;flex-direction:column;gap:8px;padding:18px 20px 20px;flex:1}
.rel-tag{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--coral)}
.rel-body h3{font-size:17px;line-height:1.5;font-weight:700}
.rel-body p{font-size:13px;line-height:1.7;color:var(--text-3)}
.rel-link{margin-top:auto;padding-top:10px;font-size:13px;font-weight:700;color:var(--ink-2)}
.rel-link:hover{color:var(--coral)}
.back-channel{
  max-width:960px;
  margin:28px auto 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  color:var(--text-2);
}
.back-channel a{color:var(--ink-2);font-weight:700;border-bottom:2px solid rgba(200,245,96,.95);padding-bottom:2px}
.back-channel a:hover{color:var(--coral);border-bottom-color:rgba(255,106,61,.6)}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;
  padding:64px 0;
  background:var(--ink);
  color:var(--cream);
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-40px;bottom:-60px;
  width:320px;height:320px;
  background-image:radial-gradient(rgba(200,245,96,.22) 1.6px,transparent 1.6px);
  background-size:18px 18px;
  opacity:.6;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.01em;line-height:1.4}
.cta-inner p{margin-top:10px;max-width:620px;font-size:15px;line-height:1.8;color:rgba(244,247,241,.72)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 26px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:700;
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px) scale(1.02)}
.btn-ghost{border-color:rgba(244,247,241,.35);color:var(--cream)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(244,247,241,.6);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(244,247,241,.78);
  padding:64px 0 28px;
  font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand{color:#fff;font-size:20px;margin-bottom:14px}
.footer-brand p{max-width:340px;font-size:13px;line-height:1.85;color:rgba(244,247,241,.6)}
.footer-col h4{margin:0 0 14px;font-size:14px;font-weight:700;letter-spacing:.04em;color:#fff}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{color:rgba(244,247,241,.72);font-size:13.5px}
.footer-col ul a:hover{color:var(--lime)}
.footer-col p{font-size:13px;line-height:1.9;color:rgba(244,247,241,.6)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:12.5px;
  color:rgba(244,247,241,.55);
  font-variant-numeric:tabular-nums;
}
.to-top{color:rgba(244,247,241,.75);font-weight:600}
.to-top:hover{color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    z-index:90;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px 24px 20px;
    background:var(--ink-2);
    box-shadow:0 18px 32px rgba(11,43,38,.28);
  }
  .nav-links.is-open{display:flex}
  .nav-links a{width:100%;padding:12px 16px;border-radius:10px;font-size:15px}
  .nav-links a.active{background:var(--lime);color:var(--ink)}
  .nav-toggle{display:block}
  .brand small{display:none}
  .article-shell{padding:38px 34px 40px}
  .article-shell::before{display:none}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-hero{padding:28px 0 40px}
  .article-meta{gap:8px 16px;font-size:12.5px}
  .article-section{padding:32px 0 56px}
  .article-shell{padding:26px 20px 30px;border-radius:var(--radius)}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:17.5px}
  .related{margin-top:40px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:46px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .site-footer{padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .nav-main{gap:12px;height:60px}
  .brand{font-size:17px;gap:8px}
  .brand-dot{width:10px;height:10px}
  .nav-service{padding:7px 13px;font-size:13px}
  .icon-btn{width:34px;height:34px}
  .article-title{font-size:23px}
  .crumbs{font-size:12px}
  .crumb-current{max-width:180px}
  .btn{width:100%;padding:12px 18px}
  .cta-actions{width:100%}
  .back-channel{font-size:13px}
}

/* roulang page: category2 */
:root{
  --ink:#0B2B26;
  --ink-2:#14453C;
  --ink-3:#0F352E;
  --lime:#C8F560;
  --lime-deep:#B4E243;
  --coral:#FF6A3D;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --sub:#EDEAE1;
  --text:#12211E;
  --muted:#4A5A55;
  --weak:#7C8A85;
  --line:rgba(11,43,38,.10);
  --line-strong:rgba(11,43,38,.18);
  --on-dark:rgba(246,244,238,.74);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --sh:0 10px 28px rgba(11,43,38,.08);
  --sh-hover:0 16px 36px rgba(11,43,38,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.32;color:var(--text);}
p{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--ink-2);
  text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}
.section-head h2{font-size:30px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:var(--ink);
  color:var(--bg);
  border-bottom:1px solid rgba(200,245,96,.10);
  transition:box-shadow .25s ease;
}
.site-header.is-compact{box-shadow:0 10px 30px rgba(11,43,38,.28);}
.nav-main{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:64px;transition:height .25s ease;
}
.site-header.is-compact .nav-main{height:56px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:#FFFFFF;letter-spacing:-.01em;white-space:nowrap;
}
.brand:hover{color:var(--lime);}
.brand-dot{
  width:10px;height:10px;border-radius:3px;background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,245,96,.16);flex:0 0 auto;
}
.brand small{
  font-size:9px;font-weight:600;letter-spacing:.2em;color:rgba(246,244,238,.45);
  align-self:flex-end;margin-bottom:5px;
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  display:inline-block;padding:8px 15px;border-radius:999px;
  font-size:15px;font-weight:500;color:rgba(246,244,238,.76);
}
.nav-links a:hover{color:#FFFFFF;background:rgba(255,255,255,.08);}
.nav-links a.active{color:var(--ink);background:var(--lime);font-weight:700;}
.nav-tools{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(246,244,238,.20);
  color:var(--bg);background:transparent;
}
.icon-btn svg{width:17px;height:17px;}
.icon-btn:hover{background:rgba(200,245,96,.14);border-color:rgba(200,245,96,.45);color:var(--lime);}
.nav-service{
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--lime);background:rgba(200,245,96,.12);
  border:1px solid rgba(200,245,96,.32);
}
.nav-service:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(246,244,238,.18);
  position:relative;cursor:pointer;padding:0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:16px;height:2px;background:var(--bg);border-radius:2px;content:"";
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg);}
.trend-bar{background:var(--ink-3);border-top:1px solid rgba(246,244,238,.08);}
.trend-inner{
  display:flex;align-items:center;gap:18px;height:40px;
  font-size:13px;color:rgba(246,244,238,.62);overflow-x:auto;scrollbar-width:none;
}
.trend-inner::-webkit-scrollbar{display:none;}
.trend-inner strong{color:var(--lime);font-size:12px;letter-spacing:.12em;font-weight:700;flex:0 0 auto;}
.trend-item{display:inline-flex;align-items:center;gap:18px;flex:0 0 auto;}
.trend-item a{color:rgba(246,244,238,.76);white-space:nowrap;}
.trend-item a:hover{color:var(--lime);}
.trend-item>span{width:1px;height:10px;background:rgba(246,244,238,.18);display:inline-block;}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:rgba(11,43,38,.28);}
.crumb a:hover{color:var(--ink-2);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- 频道页头 ---------- */
.channel-head{
  position:relative;overflow:hidden;
  background:var(--ink);
  color:var(--bg);
  border-radius:26px;
  margin-top:20px;
  padding:52px;
  display:grid;grid-template-columns:1.45fr .85fr;gap:48px;align-items:center;
}
.channel-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(200,245,96,.20) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
  -webkit-mask-image:radial-gradient(120% 90% at 100% 0%,#000 0%,transparent 62%);
  mask-image:radial-gradient(120% 90% at 100% 0%,#000 0%,transparent 62%);
}
.channel-head>*{position:relative;z-index:1;}
.channel-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--lime);border:1px solid rgba(200,245,96,.36);
  background:rgba(200,245,96,.08);
  padding:6px 14px;border-radius:6px;
}
.channel-head h1{
  color:#FFFFFF;font-size:38px;margin:18px 0 0;line-height:1.28;
}
.channel-head h1 em{font-style:normal;color:var(--lime);}
.channel-head .lede{
  margin-top:16px;font-size:15.5px;color:rgba(246,244,238,.74);max-width:560px;
}
.channel-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px) scale(1.02);box-shadow:0 12px 26px rgba(200,245,96,.28);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-ghost{background:transparent;color:var(--bg);border-color:rgba(246,244,238,.34);}
.btn-ghost:hover{background:var(--bg);color:var(--ink);border-color:var(--bg);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark{background:var(--ink);color:var(--bg);}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.channel-card{
  background:rgba(246,244,238,.06);
  border:1px solid rgba(246,244,238,.16);
  border-radius:var(--r-lg);
  padding:26px;
}
.channel-card h3{font-size:14px;color:var(--lime);letter-spacing:.12em;font-weight:700;}
.channel-card ul{margin-top:16px;display:grid;gap:12px;}
.channel-card li{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding-bottom:12px;border-bottom:1px dashed rgba(246,244,238,.16);
  font-size:14px;color:rgba(246,244,238,.82);
}
.channel-card li:last-child{border-bottom:0;padding-bottom:0;}
.channel-card li strong{
  font-size:20px;color:var(--lime);font-weight:800;
  font-variant-numeric:tabular-nums;
}
.channel-card li a:hover{color:var(--lime);}

/* ---------- 标签墙 ---------- */
.topic-strip{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);
  font-size:14px;color:var(--muted);font-weight:500;
  box-shadow:0 2px 8px rgba(11,43,38,.04);
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}
.chip:hover{color:var(--ink);border-color:rgba(11,43,38,.24);transform:translateY(-2px);}

/* ---------- 单列条目表 ---------- */
.entry-list{display:grid;gap:14px;}
.entry{
  display:grid;grid-template-columns:70px 1fr auto;gap:26px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px 28px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(200,245,96,.7);}
.entry-num{
  font-size:30px;font-weight:800;color:var(--ink);opacity:.16;
  font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.02em;
  transition:opacity .22s ease,color .22s ease;
}
.entry:hover .entry-num{opacity:.55;color:var(--ink-2);}
.entry-body h3{font-size:17.5px;font-weight:700;}
.entry-body p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.entry-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.tag{
  display:inline-block;padding:4px 12px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--coral);border:1px solid rgba(255,106,61,.38);
  background:rgba(255,106,61,.08);white-space:nowrap;
}
.tag--calm{color:var(--ink-2);border-color:var(--line-strong);background:var(--sub);}
.entry-side .go{
  font-size:13px;color:var(--weak);font-weight:600;display:inline-flex;align-items:center;gap:6px;
}
.entry:hover .entry-side .go{color:var(--ink);}
.entry-side .go::after{content:"→";transition:transform .2s ease;}
.entry:hover .entry-side .go::after{transform:translateX(3px);}

/* ---------- 图文板块 ---------- */
.split{
  display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center;
}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,43,38,.12),rgba(11,43,38,.52));
  pointer-events:none;
}
.split-media .media-badge{
  position:absolute;left:22px;bottom:22px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(11,43,38,.92);color:var(--bg);
  border:1px solid rgba(200,245,96,.36);
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
}
.split-media .media-badge span{width:7px;height:7px;border-radius:50%;background:var(--lime);}
.step-list{margin-top:28px;display:grid;gap:22px;}
.step-list li{display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;}
.step-list .step-no{
  font-size:22px;font-weight:800;color:var(--ink);opacity:.2;
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.step-list h3{font-size:16.5px;font-weight:700;}
.step-list p{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- 数据带 ---------- */
.stats{
  background:var(--ink);color:var(--bg);
  border-radius:24px;padding:48px 52px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
}
.stats .stat strong{
  display:block;font-size:38px;font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:-.02em;
}
.stats .stat span{display:block;margin-top:10px;font-size:14px;color:rgba(246,244,238,.68);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;gap:18px;
  padding:22px 4px;cursor:pointer;list-style:none;
  transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover .faq-q{color:var(--ink-2);}
.faq-index{font-weight:700;font-size:14px;color:var(--weak);font-variant-numeric:tabular-nums;flex:0 0 auto;}
.faq-q{flex:1;font-size:16.5px;font-weight:600;color:var(--text);transition:color .2s ease;}
.faq-sign{
  position:relative;flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line-strong);background:var(--card);
  transition:background-color .2s ease,border-color .2s ease,transform .25s ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);
  border-radius:2px;transform:translate(-50%,-50%);
}
.faq-sign::before{width:12px;height:2px;}
.faq-sign::after{width:2px;height:12px;transition:opacity .2s ease;}
.faq-item[open] .faq-sign{background:var(--lime);border-color:var(--lime);}
.faq-item[open] .faq-sign::after{opacity:0;}
.faq-item[open] summary{background:var(--sub);border-radius:12px;padding-left:18px;padding-right:18px;}
.faq-item[open] .faq-q{font-weight:800;}
.faq-a{
  padding:18px 4px 24px 48px;font-size:15px;color:var(--muted);line-height:1.85;
  max-width:760px;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--bg);
  border-radius:26px;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  border:1px solid rgba(200,245,96,.22);
}
.cta-band::after{
  content:"";position:absolute;right:20px;bottom:-80px;width:180px;height:180px;border-radius:50%;
  border:1px solid rgba(200,245,96,.14);
}
.cta-band>*{position:relative;z-index:1;}
.cta-band h2{color:#FFFFFF;font-size:28px;max-width:520px;}
.cta-band p{margin-top:12px;color:rgba(246,244,238,.72);font-size:15px;max-width:560px;}
.cta-band .btn-primary{flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(246,244,238,.72);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr 1.1fr;gap:40px;}
.footer-brand .brand{font-size:18px;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(246,244,238,.62);max-width:340px;}
.footer-col h4{font-size:14px;color:#FFFFFF;letter-spacing:.06em;margin-bottom:18px;font-weight:700;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:rgba(246,244,238,.68);}
.footer-col a:hover{color:var(--lime);}
.footer-col p{font-size:14px;line-height:1.95;color:rgba(246,244,238,.62);}
.footer-bottom{
  margin-top:48px;padding:22px 0;
  border-top:1px solid rgba(246,244,238,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(246,244,238,.5);
}
.to-top{color:rgba(246,244,238,.72);font-weight:600;}
.to-top:hover{color:var(--lime);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .nav-toggle{display:block;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--ink-2);
    padding:16px 24px 22px;
    border-top:1px solid rgba(246,244,238,.10);
    border-bottom:1px solid rgba(246,244,238,.10);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:12px 16px;border-radius:10px;font-size:15px;}
  .nav-service{display:none;}
  .channel-head{grid-template-columns:1fr;gap:32px;padding:40px;}
  .channel-head h1{font-size:30px;}
  .split{grid-template-columns:1fr;gap:36px;}
  .stats{grid-template-columns:repeat(2,1fr);padding:40px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .channel-head{padding:32px 24px;border-radius:20px;}
  .channel-head h1{font-size:26px;}
  .channel-head .lede{font-size:14.5px;}
  .channel-actions{gap:12px;}
  .btn{padding:12px 22px;font-size:14.5px;}
  .entry{grid-template-columns:1fr;gap:14px;padding:20px;}
  .entry-num{font-size:24px;}
  .entry-side{flex-direction:row;align-items:center;justify-content:space-between;width:100%;}
  .stats{padding:32px 24px;gap:24px;}
  .stats .stat strong{font-size:30px;}
  .faq-a{padding-left:4px;padding-right:4px;}
  .cta-band{padding:32px 24px;border-radius:20px;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media screen and (max-width:519px){
  .brand{font-size:17px;}
  .brand small{display:none;}
  .trend-inner{font-size:12px;gap:14px;}
  .chip{font-size:13px;padding:8px 14px;}
  .stats{grid-template-columns:1fr;}
  .step-list li{grid-template-columns:40px 1fr;gap:12px;}
  .faq-q{font-size:15.5px;}
}

/* roulang page: category3 */
:root{
  --ink:#0B2B26;
  --ink-2:#14453C;
  --lime:#C8F560;
  --coral:#FF6A3D;
  --paper:#F6F4EE;
  --paper-2:#EDEAE1;
  --white:#FFFFFF;
  --text:#12211E;
  --text-2:#4A5A55;
  --text-3:#7C8A85;
  --line:rgba(11,43,38,.10);
  --line-strong:rgba(11,43,38,.18);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow:0 10px 28px rgba(11,43,38,.08);
  --shadow-hover:0 16px 34px rgba(11,43,38,.14);
  --sec-y:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",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:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--ink-2);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  color:#EAF2EC;
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(11,43,38,.28);}
.nav-main{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:68px;
  transition:min-height .25s ease;
}
.site-header.is-stuck .nav-main{min-height:58px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.01em;
  color:#F4F7F2;white-space:nowrap;
}
.brand:hover{color:var(--lime);}
.brand small{
  font-size:10px;font-weight:600;letter-spacing:.16em;
  color:rgba(234,242,236,.55);
  text-transform:uppercase;
}
.brand-dot{
  width:10px;height:10px;border-radius:3px;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(200,245,96,.16);
  flex:none;
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  display:inline-block;
  padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:rgba(234,242,236,.82);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.active{color:var(--ink);background:var(--lime);}
.nav-links a.active:hover{color:var(--ink);background:var(--lime);}
.nav-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  color:rgba(234,242,236,.82);
  border:1px solid rgba(255,255,255,.14);
  background:transparent;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{color:var(--ink);background:var(--lime);border-color:var(--lime);}
.nav-service{
  font-size:14px;font-weight:600;
  padding:8px 16px;border-radius:999px;
  border:1.5px solid rgba(200,245,96,.65);
  color:var(--lime);
}
.nav-service:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.nav-toggle{
  display:none;width:40px;height:38px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);background:transparent;
  align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:2px;background:#EAF2EC;border-radius:2px;content:"";position:relative;
}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0;}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0;}
.trend-bar{
  background:rgba(20,69,60,.85);
  border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;
}
.site-header.is-stuck .trend-bar{display:none;}
.trend-inner{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  min-height:42px;color:rgba(234,242,236,.7);
}
.trend-inner strong{color:var(--lime);font-size:12px;letter-spacing:.08em;}
.trend-item{display:inline-flex;align-items:center;gap:14px;}
.trend-item a{color:rgba(234,242,236,.82);}
.trend-item a:hover{color:var(--lime);}
.trend-item span{width:1px;height:12px;background:rgba(255,255,255,.18);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:700;
  border:1.5px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-primary:hover{background:#d5fa7e;color:var(--ink);transform:translateY(-2px) scale(1.02);box-shadow:0 10px 22px rgba(200,245,96,.28);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  color:#F2F7F0;
  background-image:linear-gradient(100deg,rgba(11,43,38,.94) 0%,rgba(11,43,38,.86) 52%,rgba(11,43,38,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:64px 0 72px;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;
  background-image:radial-gradient(rgba(200,245,96,.28) 1.5px,transparent 1.5px);
  background-size:18px 18px;opacity:.5;pointer-events:none;
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(234,242,236,.62);margin-bottom:22px;}
.crumbs a{color:rgba(234,242,236,.78);}
.crumbs a:hover{color:var(--lime);}
.crumbs span.sep{color:rgba(234,242,236,.32);}
.crumbs .now{color:var(--lime);}
.page-hero h1{
  font-size:clamp(28px,3.6vw,46px);
  color:#FFFFFF;letter-spacing:-.02em;max-width:820px;
}
.page-hero .lead{
  margin-top:18px;max-width:720px;
  font-size:16px;line-height:1.9;color:rgba(234,242,236,.82);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:6px;
  font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  color:rgba(240,247,242,.9);
}
.tag-lime{background:rgba(200,245,96,.16);border-color:rgba(200,245,96,.4);color:var(--lime);}
.tag-coral{background:rgba(255,106,61,.14);border-color:rgba(255,106,61,.45);color:#FFB49B;}

/* ---------- section base ---------- */
.sec{padding:var(--sec-y) 0;}
.sec-tight{padding:64px 0;}
.sec-alt{background:var(--paper-2);}
.sec-dark{background:var(--ink);color:#EAF2EC;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--ink-2);text-transform:uppercase;margin-bottom:14px;
}
.sec-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--lime);}
.sec-head h2{font-size:clamp(23px,2.5vw,32px);}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;}
.sec-dark .sec-head .eyebrow{color:var(--lime);}
.sec-dark .sec-head h2{color:#fff;}
.sec-dark .sec-head p{color:rgba(234,242,236,.75);}

/* ---------- safety cards (left) ---------- */
.safety-card{
  display:grid;grid-template-columns:200px 1fr;gap:24px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
  margin-bottom:22px;
}
.safety-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.safety-card figure{margin:0;border-radius:12px;overflow:hidden;background:var(--paper-2);}
.safety-card figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .35s ease;}
.safety-card:hover figure img{transform:scale(1.04);}
.safety-card h3{font-size:19px;margin-bottom:10px;}
.safety-card p{color:var(--text-2);font-size:15px;}
.mini-list{margin-top:14px;display:grid;gap:8px;}
.mini-list li{
  position:relative;padding-left:20px;
  font-size:14.5px;color:var(--text-2);
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 3px rgba(200,245,96,.22);
}

/* ---------- side checklist ---------- */
.side-sticky{position:sticky;top:120px;}
.check-panel{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--shadow);
}
.check-panel h3{font-size:17px;margin-bottom:6px;}
.check-panel .hint{font-size:13px;color:var(--text-3);margin-bottom:16px;}
.check-list{display:grid;gap:2px;}
.check-list a{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 12px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);
  border:1px solid transparent;
}
.check-list a i{color:var(--ink-2);font-size:13px;margin-top:5px;}
.check-list a:hover{background:var(--paper);border-color:var(--line);color:var(--text);}
.alert-box{
  margin-top:20px;
  border:1px solid rgba(255,106,61,.35);
  background:rgba(255,106,61,.07);
  border-radius:14px;padding:18px;
}
.alert-box strong{display:flex;align-items:center;gap:8px;font-size:14.5px;color:#B23D18;}
.alert-box p{font-size:13.5px;color:#7A3B25;margin-top:8px;line-height:1.75;}
.help-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--lime);padding-bottom:2px;
}
.help-link:hover{color:var(--ink-2);}

/* ---------- risk grid ---------- */
.risk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.risk-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 22px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.risk-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(11,43,38,.2);}
.risk-item .no{
  font-size:34px;font-weight:800;line-height:1;
  color:rgba(11,43,38,.12);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.risk-item h3{font-size:16.5px;margin-bottom:8px;}
.risk-item p{font-size:14px;color:var(--text-2);}
.risk-item .tag{margin-bottom:14px;}
.risk-item .tag-plain{
  display:inline-block;padding:3px 9px;border-radius:6px;
  font-size:11.5px;font-weight:700;
  background:var(--paper-2);color:var(--text-2);
}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step;}
.step{
  position:relative;
  padding:26px 22px 24px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  transition:background-color .22s ease,border-color .22s ease,transform .22s ease;
}
.step:hover{background:rgba(255,255,255,.09);border-color:rgba(200,245,96,.4);transform:translateY(-3px);}
.step .idx{
  font-size:13px;font-weight:800;letter-spacing:.14em;
  color:var(--lime);margin-bottom:14px;display:block;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16.5px;color:#fff;margin-bottom:8px;}
.step p{font-size:14px;color:rgba(234,242,236,.72);}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid var(--line-strong);
  background:transparent;
  transition:background-color .2s ease;
}
.faq-item:first-child{border-top:1px solid var(--line-strong);}
.faq-item.open{background:var(--paper-2);}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:16px;
  padding:22px 20px;
  background:transparent;border:0;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--ink-2);}
.faq-q:focus-visible{outline:2px solid var(--lime);outline-offset:-2px;}
.faq-q .q-no{
  font-size:13px;font-weight:800;color:var(--text-3);
  font-variant-numeric:tabular-nums;flex:none;width:26px;
}
.faq-q .q-text{flex:1;}
.faq-q .q-icon{
  flex:none;width:30px;height:30px;border-radius:50%;
  border:1.5px solid var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--ink);
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item.open .faq-q .q-icon{background:var(--ink);color:var(--lime);border-color:var(--ink);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 20px 24px 62px;
  color:var(--text-2);font-size:15px;
}
.faq-item.open .faq-a{max-height:420px;}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);
  border-radius:22px;
  padding:52px 44px;
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  color:#EAF2EC;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-50px;width:240px;height:240px;
  background-image:radial-gradient(rgba(200,245,96,.3) 1.5px,transparent 1.5px);
  background-size:16px 16px;opacity:.55;pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px);}
.cta-band p{margin-top:12px;color:rgba(234,242,236,.78);font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-band .btn-ghost{color:#EAF2EC;border-color:rgba(234,242,236,.5);}
.cta-band .btn-ghost:hover{background:#EAF2EC;color:var(--ink);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(234,242,236,.74);
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{color:#F4F7F2;font-size:18px;margin-bottom:16px;}
.footer-brand .brand:hover{color:var(--lime);}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(234,242,236,.62);max-width:340px;}
.footer-col h4{
  font-size:14px;color:#fff;margin-bottom:16px;
  letter-spacing:.04em;font-weight:700;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:13.5px;color:rgba(234,242,236,.7);}
.footer-col a:hover{color:var(--lime);}
.footer-col p{font-size:13.5px;line-height:1.9;color:rgba(234,242,236,.62);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:20px 0 26px;
  font-size:12.5px;color:rgba(234,242,236,.48);
}
.to-top{color:rgba(234,242,236,.7);font-weight:600;}
.to-top:hover{color:var(--lime);}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  :root{--sec-y:72px;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--ink);
    padding:14px 24px 20px;
    border-bottom:1px solid rgba(255,255,255,.1);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 16px;border-radius:10px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .nav-service{display:none;}
  .nav-main{position:relative;}
  .risk-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .side-sticky{position:static;}
  .safety-card{grid-template-columns:160px 1fr;padding:20px;}
}
@media screen and (max-width:768px){
  :root{--sec-y:56px;}
  .container{padding:0 20px;}
  .page-hero{padding:44px 0 52px;}
  .sec-head{margin-bottom:32px;}
  .safety-card{grid-template-columns:1fr;gap:18px;}
  .safety-card figure img{aspect-ratio:16/9;}
  .risk-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;padding:18px 14px;gap:12px;}
  .faq-a p{padding:0 14px 20px 52px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{justify-content:flex-start;}
  .brand small{display:none;}
  .trend-inner{gap:10px;font-size:12px;}
}
@media screen and (max-width:520px){
  .page-hero h1{font-size:26px;}
  .hero-tags{gap:8px;}
  .tag{font-size:11.5px;}
  .cta-actions .btn{width:100%;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .brand{font-size:17px;}
  .check-panel{padding:20px;}
}

/* roulang page: category4 */
/* ===== 设计变量 ===== */
:root{
  --ink:#0B2B26;
  --ink-2:#14453C;
  --lime:#C8F560;
  --lime-soft:#E6FFB0;
  --coral:#FF6A3D;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --sub:#EDEAE1;
  --text:#12211E;
  --text-2:#4A5A55;
  --text-3:#7C8A85;
  --line:rgba(11,43,38,.10);
  --line-strong:rgba(11,43,38,.20);
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 28px rgba(11,43,38,.08);
  --shadow-lg:0 18px 40px rgba(11,43,38,.14);
  --container:1200px;
}
/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease}
a:hover{color:var(--ink-2)}
img{max-width:100%;display:block;border-style:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-compact{box-shadow:0 8px 24px rgba(11,43,38,.10)}
.nav-main{display:flex;align-items:center;gap:26px;min-height:64px;transition:min-height .25s ease}
.site-header.is-compact .nav-main{min-height:56px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.01em;
  white-space:nowrap;flex:0 0 auto;
}
.brand:hover{color:var(--ink)}
.brand-dot{
  width:12px;height:12px;border-radius:3px;background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,245,96,.30);
  transform:rotate(45deg);flex:0 0 auto;
}
.brand small{
  font-size:10px;font-weight:700;letter-spacing:.18em;
  color:var(--text-3);padding-left:2px;position:relative;top:2px;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:inline-block;padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text-2);white-space:nowrap;
}
.nav-links a:hover{background:var(--sub);color:var(--ink)}
.nav-links a.active{background:var(--ink);color:#F6F4EE}
.nav-links a.active:hover{background:var(--ink-2);color:#fff}
.nav-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);border:1px solid var(--line);background:var(--bg);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.nav-service{
  font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--lime);padding-bottom:2px;
}
.nav-service:hover{color:var(--ink-2);border-color:var(--ink)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  background:var(--bg);
}
.nav-toggle span{position:relative;display:block;width:16px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .22s ease,top .22s ease;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-toggle.is-active span{background:transparent}
.nav-toggle.is-active span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-active span::after{top:0;transform:rotate(-45deg)}
.trend-bar{
  background:var(--ink);color:#D9E3DC;
  transition:max-height .28s ease,opacity .2s ease,padding .28s ease;
  max-height:60px;overflow:hidden;
}
.site-header.is-compact .trend-bar{max-height:0;opacity:0}
.trend-inner{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;
  min-height:40px;font-size:13px;overflow-x:auto;scrollbar-width:none;
}
.trend-inner::-webkit-scrollbar{display:none}
.trend-inner strong{
  color:var(--lime);font-weight:700;letter-spacing:.04em;flex:0 0 auto;
  padding-right:8px;
}
.trend-item{display:inline-flex;align-items:center;flex:0 0 auto}
.trend-item a{color:#C6D3CB;white-space:nowrap}
.trend-item a:hover{color:var(--lime)}
.trend-item span{
  display:inline-block;width:1px;height:11px;
  background:rgba(246,244,238,.25);margin:0 12px;
}

/* ===== 页头 ===== */
.page-hero{position:relative;background:var(--ink);color:#F6F4EE;padding:52px 0 108px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.38;
}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,43,38,.97) 0%,rgba(11,43,38,.86) 46%,rgba(11,43,38,.52) 100%);
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#93A79E;margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:#C6D3CB}
.crumb a:hover{color:var(--lime)}
.crumb .sep{color:rgba(246,244,238,.34)}
.crumb .now{color:var(--lime)}
.hero-inner{max-width:780px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--lime);text-transform:uppercase;margin-bottom:16px;
}
.hero-kicker::before{content:"";width:22px;height:2px;background:var(--lime);display:block}
.page-hero h1{
  font-size:clamp(26px,3.8vw,42px);
  color:#F8F6EF;line-height:1.28;letter-spacing:-.02em;
}
.page-hero .lead{
  margin-top:18px;font-size:16px;line-height:1.85;color:#C9D6CF;max-width:660px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(200,245,96,.38);
  color:#DDEBC6;font-size:13px;font-weight:600;
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-soft);color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,245,96,.28)}
.btn-primary:active{transform:translateY(0);background:#B7E64B}
.btn-ghost{background:transparent;color:#F1F5EC;border-color:rgba(246,244,238,.46)}
.btn-ghost:hover{background:rgba(246,244,238,.10);color:#fff;border-color:rgba(246,244,238,.8);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#F6F4EE;transform:translateY(-2px)}
.btn-outline:active{background:var(--ink-2)}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--ink-2);
  margin-bottom:14px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block}
.section-title{font-size:clamp(23px,2.6vw,32px);color:var(--ink)}
.section-desc{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ===== 快捷入口三宫格 ===== */
.quick-wrap{position:relative;z-index:2;margin-top:-64px;padding-bottom:0}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quick-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(200,245,96,.9)}
.quick-icon{
  width:44px;height:44px;border-radius:12px;background:var(--sub);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
}
.quick-icon svg{width:22px;height:22px}
.quick-card h3{font-size:17px;color:var(--ink)}
.quick-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.quick-link{
  margin-top:auto;font-size:14px;font-weight:700;color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;
}
.quick-link::after{content:"→";transition:transform .2s ease}
.quick-card:hover .quick-link::after{transform:translateX(4px)}
.quick-card:hover .quick-link{color:var(--ink-2)}

/* ===== FAQ 折叠 ===== */
.faq-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:10px 32px;
}
.faq-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--ink-2);
  padding:26px 0 10px;
}
.faq-group-title span{
  display:inline-block;padding:4px 10px;border-radius:6px;
  background:var(--lime);color:var(--ink);font-size:12px;letter-spacing:.04em;
}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-of-type{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-size:16px;font-weight:700;color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:0 0 auto;
  width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line-strong);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:600;color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease,transform .22s ease;
}
.faq-item summary:hover{color:var(--ink)}
.faq-item summary:hover::after{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.faq-item[open] summary{color:var(--ink);font-weight:800}
.faq-item[open] summary::after{
  content:"−";background:var(--ink);color:var(--lime);border-color:var(--ink);transform:rotate(180deg);
}
.faq-num{
  flex:0 0 auto;width:30px;height:30px;border-radius:8px;
  background:var(--sub);color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
}
.faq-body{
  padding:0 46px 24px 46px;font-size:15px;line-height:1.9;color:var(--text-2);
}
.faq-body strong{color:var(--ink);font-weight:700}
.faq-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-block;padding:3px 10px;border-radius:6px;
  font-size:12px;font-weight:600;color:var(--ink-2);
  background:var(--sub);border:1px solid var(--line);
}
.tag-coral{color:#B23A17;background:rgba(255,106,61,.10);border-color:rgba(255,106,61,.34)}

/* ===== 处理流程 ===== */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow-step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.flow-num{
  font-size:40px;font-weight:800;line-height:1;color:rgba(11,43,38,.09);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;margin-bottom:12px;
}
.flow-step h3{font-size:16px;color:var(--ink);margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--text-2);line-height:1.8}
.flow-step::after{
  content:"";position:absolute;top:38px;right:-14px;width:8px;height:8px;
  border-top:2px solid var(--line-strong);border-right:2px solid var(--line-strong);
  transform:rotate(45deg);
}
.flow-step:last-child::after{display:none}

/* ===== 数据带 ===== */
.stats-band{background:var(--ink);color:#F6F4EE;padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat{border-left:2px solid rgba(200,245,96,.45);padding-left:20px}
.stat b{
  display:block;font-size:clamp(26px,3vw,36px);color:var(--lime);
  font-weight:800;letter-spacing:-.02em;line-height:1.2;font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:8px;font-size:14px;color:#B7C7BE;line-height:1.7}

/* ===== CTA ===== */
.cta-block{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;align-items:stretch;
}
.cta-text{padding:48px 44px;display:flex;flex-direction:column;justify-content:center}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);color:var(--ink)}
.cta-text p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:460px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-media{position:relative;min-height:280px;background:var(--sub)}
.cta-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.cta-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,43,38,.42),rgba(11,43,38,.10));
}
.cta-badge{
  position:absolute;left:22px;bottom:22px;z-index:2;
  background:rgba(11,43,38,.92);border:1px solid rgba(200,245,96,.45);
  color:#E8F3D8;font-size:13px;font-weight:600;
  padding:10px 16px;border-radius:10px;
}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#C3D0C9;padding:72px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .brand{color:#F6F4EE;font-size:19px;margin-bottom:16px}
.footer-brand .brand:hover{color:var(--lime)}
.footer-brand .brand small{color:rgba(246,244,238,.45)}
.footer-brand p{font-size:14px;line-height:1.9;color:#A9BAB1;max-width:340px}
.footer-col h4{font-size:14px;color:#F6F4EE;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a{font-size:14px;color:#A9BAB1}
.footer-col li a:hover{color:var(--lime)}
.footer-col p{font-size:14px;line-height:1.95;color:#A9BAB1}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(246,244,238,.14);
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  font-size:13px;color:#8E9F96;
}
.footer-bottom .to-top{margin-left:auto;color:#C3D0C9;font-weight:600}
.footer-bottom .to-top:hover{color:var(--lime)}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-service{display:none}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(11,43,38,.14);
    padding:14px 24px 22px;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{width:100%;padding:12px 14px;border-radius:10px;font-size:15px}
  .nav-links a.active{border-radius:10px}
  .section{padding:72px 0}
  .quick-grid{grid-template-columns:1fr;gap:16px}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step::after{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .cta-block{grid-template-columns:1fr}
  .cta-media{min-height:220px;order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .quick-wrap{margin-top:-48px}
  .page-hero{padding:44px 0 92px}
}
@media (max-width:767px){
  .brand small{display:none}
  .brand{font-size:17px}
  .nav-main{gap:14px}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .faq-panel{padding:6px 20px}
  .faq-item summary{font-size:15px;gap:12px;padding:18px 0}
  .faq-body{padding:0 6px 20px 42px;font-size:14px}
  .cta-text{padding:34px 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-bottom .to-top{margin-left:0}
  .page-hero h1{font-size:26px}
  .page-hero .lead{font-size:15px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero-actions .btn{width:100%}
  .quick-card{padding:22px 20px}
  .flow{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-left-width:0;border-left:none;border-top:2px solid rgba(200,245,96,.45);padding:14px 0 0}
  .hero-chips .chip{font-size:12px}
  .cta-actions .btn{width:100%}
}