/* roulang page: index */
:root{
  --brand:#1F63A8;--brand-hover:#17518C;--brand-active:#12406F;--brand-soft:#E8F1FA;
  --accent:#12A594;--accent-soft:#E4F6F3;
  --warm:#FF8B3D;--warm-soft:#FFF1E6;
  --text:#0F1E2E;--text-2:#45566B;--text-3:#7A8A9C;
  --border:#E3EBF3;--bg:#F5F8FC;--card:#FFFFFF;
  --r-sm:10px;--r-md:14px;--r-lg:20px;
  --sh-1:0 1px 2px rgba(15,30,46,.06);
  --sh-2:0 12px 32px -12px rgba(15,30,46,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);line-height:1.85;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800}
p{margin:0}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 28px}}
@media(min-width:1280px){.container{padding:0 32px}}

/* ---------- 顶部运营条 ---------- */
.topbar{background:var(--brand-soft);border-bottom:1px solid var(--border)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;height:40px;font-size:13px}
.topbar-link{color:var(--text-2);transition:color .2s}
.topbar-link:hover{color:var(--brand)}
.pill{display:inline-flex;align-items:center;gap:6px;height:23px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:700;line-height:1;white-space:nowrap}
.pill-accent{background:var(--accent-soft);color:#0B7B70}
.pill-soft{background:var(--brand-soft);color:var(--brand)}
.pill-warm{background:var(--warm-soft);color:#C25E17}
.pill-line{background:#fff;border:1px solid var(--border);color:var(--text-2)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.countdown{color:#C25E17;font-weight:800;letter-spacing:.5px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 10px 28px -20px rgba(15,30,46,.35)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,#1F63A8,#2E86D4);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;letter-spacing:-.5px}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.2px;color:var(--text);white-space:nowrap}
.nav-links{display:none;align-items:center;gap:2px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text-2);transition:color .2s,background .2s}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--warm);color:#fff;font-size:11px;font-weight:800;line-height:1}
.menu-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);color:var(--text-2)}
.menu-btn:hover{color:var(--brand);border-color:var(--brand)}
@media(min-width:1024px){.menu-btn{display:none}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;white-space:nowrap}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(31,99,168,.7)}
.btn-primary:active{background:var(--brand-active);transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--brand)}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text-2);height:40px;padding:0 16px;font-size:14px}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand)}
.btn-lg{height:50px;padding:0 26px;font-size:16px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;transform:none;cursor:not-allowed}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-soft);padding:60px 0 68px}
@media(min-width:1024px){.hero{padding:84px 0 92px}}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.88) 46%,rgba(232,241,250,.62) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.06fr .94fr;gap:56px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;background:var(--accent-soft);color:#0B7B70;font-size:13px;font-weight:700}
.hero h1{margin-top:18px;font-size:29px;line-height:1.3;letter-spacing:-.3px}
@media(min-width:768px){.hero h1{font-size:38px}}
@media(min-width:1280px){.hero h1{font-size:44px;line-height:1.24}}
.hero-sub{margin-top:16px;font-size:17px;color:var(--text-2);max-width:580px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.hero-tags li{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:999px;background:rgba(255,255,255,.9);border:1px solid var(--border);font-size:13px;color:var(--text-2)}
.hero-tags li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-art{border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.9);box-shadow:0 26px 52px -26px rgba(15,30,46,.34);background:#E9EFF6}
.hero-art img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transition:transform .35s ease-out}
.hero-art:hover img{transform:scale(1.03)}

/* ---------- 板块 ---------- */
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-white{background:#fff}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.section-head h2{font-size:25px;letter-spacing:-.2px}
@media(min-width:768px){.section-head h2{font-size:30px}}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px}
.link-more{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:700;font-size:15px;transition:gap .2s ease-out}
.link-more:hover{gap:12px}
.label-vert{display:inline-block;font-size:12px;font-weight:700;color:var(--brand);letter-spacing:2px;writing-mode:vertical-rl}

/* ---------- 指标 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media(min-width:1024px){.metric-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}}
.metric{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.metric:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.metric-num{font-size:30px;font-weight:800;line-height:1.1;color:var(--accent)}
.metric-num small{font-size:13px;font-weight:700;color:var(--text-3);margin-left:4px}
.metric-label{margin-top:10px;font-size:14px;color:var(--text-2)}
.metric-foot{margin-top:12px}

/* ---------- 服务矩阵 ---------- */
.matrix{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.matrix{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.matrix{grid-template-columns:repeat(4,minmax(0,1fr))}}
.card{display:block;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3E2F2}
.card:hover .card-title{color:var(--brand)}
.card:hover .card-arrow{transform:translateX(3px)}
.matrix-main{grid-column:span 1;overflow:hidden}
@media(min-width:768px){.matrix-main{grid-column:span 2}}
.matrix-main-media{overflow:hidden;background:#E9EFF6}
.matrix-main-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;transition:transform .35s ease-out}
.matrix-main:hover .matrix-main-media img{transform:scale(1.03)}
.matrix-main-body{padding:24px}
.matrix-main-body h3{font-size:19px;margin-top:14px}
.matrix-main-body p{margin-top:10px;font-size:14px;color:var(--text-2)}
.card-simple{padding:24px}
.card-simple h3{font-size:17px;margin-top:16px}
.card-simple p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75}
.card-title{transition:color .2s ease-out;color:var(--text)}
.card-link{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:14px;font-weight:700;color:var(--brand)}
.card-arrow{transition:transform .2s ease-out}
.icon-box{width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:17px}
.icon-box-accent{background:var(--accent-soft);color:#0B7B70}
.icon-box-warm{background:var(--warm-soft);color:#C25E17}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.compare{grid-template-columns:1fr 1fr;gap:24px}}
.compare-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
@media(min-width:1024px){.compare-card{padding:28px}}
.compare-card h3{font-size:18px}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.compare-row{margin-top:22px}
.compare-row-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:14px;color:var(--text-2)}
.compare-val{font-weight:800;font-size:16px;color:var(--text)}
.bar{margin-top:9px;height:10px;border-radius:999px;background:#EEF3F9;overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--brand))}
.bar-muted span{background:linear-gradient(90deg,#C7D5E4,#9FB2C6)}
.conclusion{display:flex;align-items:center;gap:10px;margin-top:26px;padding:16px 20px;border-radius:var(--r-md);background:var(--accent-soft);color:#0B7B70;font-weight:700;font-size:15px}

/* ---------- 专区卡片 ---------- */
.zone-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.zone-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.zone-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.zone-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.zone-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.zone-media{overflow:hidden;background:#E9EFF6}
.zone-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .35s ease-out}
.zone-card:hover .zone-media img{transform:scale(1.03)}
.zone-body{padding:22px;display:flex;flex-direction:column;flex:1}
.zone-body h3{font-size:17px;margin-top:12px;transition:color .2s ease-out}
.zone-card:hover .zone-body h3{color:var(--brand)}
.zone-body p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75}
.zone-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3E2F2}
.news-card h3{margin-top:14px;font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease-out}
.news-card:hover h3{color:var(--brand)}
.news-card p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.news-foot .read{color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:5px}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;padding:56px 24px;background:#fff;border:1px dashed var(--border);border-radius:var(--r-lg);color:var(--text-3);text-align:center}
.empty-state i{font-size:30px;color:#B6C6D8}

/* ---------- 评价 ---------- */
.quote-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.quote-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.quote{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column}
.quote p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.85}
.quote-user{margin-top:auto;padding-top:20px;display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:15px}
.quote-user strong{display:block;font-size:14px}
.quote-user span{font-size:12px;color:var(--text-3)}
.stars{color:#F2A93B;font-size:13px;letter-spacing:2px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1024px){.faq-wrap{grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start}}
.faq-side h2{font-size:25px}
@media(min-width:768px){.faq-side h2{font-size:30px}}
.faq-side p{margin-top:14px;color:var(--text-2);font-size:15px}
.faq-side .faq-note{margin-top:22px;padding:18px;border-radius:var(--r-md);background:var(--brand-soft);color:var(--brand);font-size:14px;font-weight:600}
.faq-list{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--text);transition:color .2s}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:12px;transition:transform .25s ease-out,color .2s,border-color .2s}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--brand);border-color:var(--brand)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 4px 22px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ---------- 表单 / CTA ---------- */
.cta-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;display:grid;grid-template-columns:1fr}
@media(min-width:1024px){.cta-wrap{grid-template-columns:1fr 1.05fr}}
.cta-side{padding:32px;background:linear-gradient(160deg,#E8F1FA,#F5F8FC)}
@media(min-width:1024px){.cta-side{padding:44px}}
.cta-side h2{font-size:25px}
@media(min-width:768px){.cta-side h2{font-size:30px}}
.cta-points{margin-top:24px;display:grid;gap:14px}
.cta-points li{display:flex;gap:11px;font-size:15px;color:var(--text-2)}
.cta-points i{color:var(--accent);margin-top:6px}
.contact-box{margin-top:28px;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:20px}
.contact-box dl{margin:0;display:grid;gap:12px}
.contact-box dt{font-size:13px;color:var(--text-3)}
.contact-box dd{margin:3px 0 0;font-size:15px;font-weight:700}
.cta-form{padding:32px}
@media(min-width:1024px){.cta-form{padding:44px}}
.field{display:block;margin-bottom:18px}
.field > span{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.req{color:#E03E3E;margin-left:3px}
.input{width:100%;height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--border);background:#fff;transition:border-color .2s,box-shadow .2s;outline:none}
.input::placeholder{color:#A8B6C6}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,99,168,.14)}
textarea.input{height:auto;min-height:98px;padding:12px 14px;resize:vertical;line-height:1.7}
select.input{appearance:none;-webkit-appearance:none;padding-right:38px;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237A8A9C' d='M1.4 0 6 4.6 10.6 0 12 1.4 6 7.4 0 1.4z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);margin-bottom:20px;line-height:1.7}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand);flex:0 0 auto}
.form-tip{display:none;margin-bottom:18px;padding:13px 16px;border-radius:12px;background:var(--accent-soft);color:#0B7B70;font-size:14px;font-weight:600}
.form-tip.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1E2E;color:#9FB2C6;padding:60px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:44px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .logo-mark{background:linear-gradient(140deg,#2E86D4,#1F63A8)}
.footer-brand .logo-text{color:#fff}
.footer-desc{margin-top:16px;font-size:14px;color:#9FB2C6;max-width:300px;line-height:1.8}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-link{display:block;padding:7px 0;font-size:14px;color:#9FB2C6;transition:color .2s,transform .2s}
.footer-link:hover{color:#fff;transform:translateX(2px)}
.footer-contact{margin-top:18px;font-size:14px;line-height:1.9}
.footer-bottom{margin-top:50px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;font-size:13px;color:#7E93A8}
.footer-bottom a{color:#7E93A8;transition:color .2s}
.footer-bottom a:hover{color:#fff}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(15,30,46,.45);opacity:0;visibility:hidden;transition:opacity .25s ease-out;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(88vw,340px);background:#fff;z-index:90;transform:translateX(102%);transition:transform .28s ease-out;box-shadow:-24px 0 48px -24px rgba(15,30,46,.35);padding:20px;overflow-y:auto;display:flex;flex-direction:column}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);color:var(--text-2);display:flex;align-items:center;justify-content:center}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 4px;border-bottom:1px solid var(--border);font-size:15px;color:var(--text-2);transition:color .2s}
.drawer-link.active{color:var(--brand);font-weight:700}
.drawer-link:hover{color:var(--brand)}
.drawer-time{margin-top:20px;padding:16px;border-radius:var(--r-md);background:var(--brand-soft);font-size:14px;color:var(--text-2)}
.drawer-time strong{display:block;margin-top:6px;font-size:20px;color:#C25E17}
.drawer-cta{margin-top:auto;padding-top:24px;display:grid;gap:12px}

/* roulang page: article */
:root{
  --brand:#1F63A8;
  --brand-hover:#17518C;
  --brand-active:#12406F;
  --brand-soft:#E8F1FA;
  --accent:#12A594;
  --accent-soft:#E4F6F3;
  --warm:#FF8B3D;
  --warm-soft:#FFF1E6;
  --text:#0F1E2E;
  --text-2:#45566B;
  --text-3:#7A8A9C;
  --line:#E3EBF3;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(15,30,46,.06);
  --sh-2:0 12px 32px -12px rgba(15,30,46,.14);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*,*::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:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1280px){.container{padding:0 32px;}}

/* ---------- 顶部运营条 ---------- */
.topbar{background:linear-gradient(90deg,#12406F,#1F63A8 55%,#12A594);color:#fff;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:40px;padding-top:6px;padding-bottom:6px;font-size:13px;}
.status-pill{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:2px 12px;height:24px;font-size:12px;white-space:nowrap;}
.status-dot{width:7px;height:7px;border-radius:50%;background:#8CF2DF;box-shadow:0 0 0 4px rgba(140,242,223,.22);}
.countdown{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;font-family:var(--mono);font-size:13px;letter-spacing:.02em;}
.countdown .cd-label{font-family:system-ui,sans-serif;font-size:12px;opacity:.82;letter-spacing:0;}
.cd-cell{background:rgba(255,255,255,.15);border-radius:6px;padding:1px 7px;min-width:32px;text-align:center;}
.cd-sep{opacity:.55;}
.topbar-links{display:flex;align-items:center;gap:14px;white-space:nowrap;}
.topbar-links a{color:rgba(255,255,255,.86);font-size:12.5px;transition:color .18s ease;}
.topbar-links a:hover{color:#fff;}
@media(max-width:860px){.topbar-links{display:none;}}
@media(max-width:600px){.countdown .cd-label{display:none;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(15,30,46,.28);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand),#2E7CC7);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;box-shadow:0 6px 16px -8px rgba(31,99,168,.85);}
.logo-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.01em;white-space:nowrap;}
@media(max-width:520px){.logo-text{font-size:16px;}.logo-mark{width:32px;height:32px;font-size:16px;}}
.nav-links{display:none;align-items:center;gap:6px;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-link{position:relative;padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:var(--r-sm);transition:color .18s ease,background .18s ease;}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;border-radius:2px;background:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-badge{display:inline-block;background:var(--warm);color:#fff;font-size:11px;line-height:1;padding:3px 6px;border-radius:999px;margin-left:4px;vertical-align:middle;}
.menu-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);color:var(--text-2);font-size:18px;cursor:pointer;transition:border-color .18s ease,color .18s ease;}
.menu-btn:hover{border-color:var(--brand);color:var(--brand);}
@media(min-width:1024px){.menu-btn{display:none;}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;white-space:nowrap;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -12px rgba(31,99,168,.9);}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);}
.btn-primary:active{background:var(--brand-active);transform:translateY(0);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand);}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--text-2);}
.btn-ghost:hover{color:var(--brand);background:var(--brand-soft);}
.btn[disabled]{opacity:.5;pointer-events:none;}
.btn-block{width:100%;}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(15,30,46,.42);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:80;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:90;transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;padding:18px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:10px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text-2);cursor:pointer;}
.drawer-link{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:var(--r-sm);color:var(--text-2);font-size:16px;transition:background .18s ease,color .18s ease;}
.drawer-link:hover,.drawer-link.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:14px;display:grid;gap:10px;}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);}

/* ---------- 面包屑 ---------- */
.crumb-wrap{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);padding:14px 0;}
.crumb a{color:var(--text-3);transition:color .18s ease;}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:#B6C4D3;}
.crumb .current{color:var(--text-2);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
@media(min-width:768px){.crumb .current{max-width:520px;}}

/* ---------- 文章头 ---------- */
.article-head{padding:34px 0 10px;}
.article-title{font-size:30px;line-height:1.3;color:var(--text);}
@media(min-width:768px){.article-title{font-size:40px;}}
@media(min-width:1280px){.article-title{font-size:44px;}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:18px;font-size:13.5px;color:var(--text-3);}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.tag-pill{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12.5px;font-weight:600;}
.tag-pill.accent{background:var(--accent-soft);color:#0C7F73;}
.article-cover{margin-top:26px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#EDF2F8;box-shadow:var(--sh-1);}
.article-cover img{width:100%;height:230px;object-fit:cover;}
@media(min-width:768px){.article-cover img{height:330px;}}
@media(min-width:1024px){.article-cover img{height:380px;}}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:1fr;gap:32px;padding:34px 0 0;}
@media(min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 296px;gap:40px;padding-top:44px;}}
.article-main{min-width:0;}
.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);}
@media(min-width:768px){.article-card{padding:34px 38px;}}
.article-body{font-size:16px;line-height:1.9;color:var(--text-2);}
.article-body>h2,
.article-body h2{position:relative;padding-left:14px;margin:34px 0 14px;font-size:24px;color:var(--text);}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;background:var(--brand);}
.article-body h3{font-size:19px;color:var(--text);margin:26px 0 10px;}
.article-body h4{font-size:16.5px;color:var(--text);margin:20px 0 8px;}
.article-body p{margin:1.2em 0;}
.article-body ul,
.article-body ol{margin:1.2em 0;padding-left:0;}
.article-body ul li{position:relative;padding-left:22px;margin:.6em 0;}
.article-body ul li::before{content:"";position:absolute;left:6px;top:.85em;width:6px;height:6px;border-radius:50%;background:var(--accent);}
.article-body ol{counter-reset:num;}
.article-body ol li{position:relative;padding-left:30px;margin:.6em 0;counter-increment:num;}
.article-body ol li::before{content:counter(num);position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;display:grid;place-items:center;font-family:var(--mono);}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(31,99,168,.28);}
.article-body a:hover{border-bottom-color:var(--brand);}
.article-body img{border-radius:16px;margin:1.4em 0;border:1px solid var(--line);}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body blockquote{margin:1.4em 0;padding:16px 20px;background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-2);}
.article-body blockquote p{margin:.4em 0;}
.article-body code{font-family:var(--mono);font-size:14px;background:#F1F5FA;border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:var(--brand-active);}
.article-body pre{background:#0F1E2E;color:#E7EEF6;padding:18px 20px;border-radius:var(--r-md);overflow-x:auto;font-family:var(--mono);font-size:14px;line-height:1.7;border:1px solid #1B3049;}
.article-body pre code{background:none;border:0;color:inherit;padding:0;}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:1.4em 0;font-size:14.5px;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;}
.article-body th{background:#F3F7FC;color:var(--text);text-align:left;font-weight:700;padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text-2);}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.article-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line);}
.article-foot .note{font-size:13.5px;color:var(--text-3);}
.back-col{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;background:var(--brand);color:#fff;font-weight:600;font-size:15px;transition:background .18s ease,transform .18s ease;}
.back-col:hover{background:var(--brand-hover);transform:translateY(-1px);}

.empty-box{text-align:center;padding:56px 20px;}
.empty-box i{font-size:34px;color:#B6C4D3;}
.empty-box h2{font-size:22px;margin:16px 0 10px;color:var(--text);}
.empty-box p{color:var(--text-3);font-size:15px;margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.article-side{display:grid;gap:20px;align-content:start;}
@media(min-width:1024px){.article-side{position:sticky;top:92px;}}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;}
.side-title i{color:var(--brand);font-size:14px;}
.toc-list{display:grid;gap:2px;max-height:320px;overflow-y:auto;}
.toc-link{display:block;font-size:14px;color:var(--text-2);padding:7px 10px;border-radius:8px;border-left:2px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease;}
.toc-link:hover{background:var(--brand-soft);color:var(--brand);border-left-color:var(--brand);}
.toc-link.lv3{padding-left:22px;font-size:13.5px;color:var(--text-3);}
.toc-empty{font-size:13.5px;color:var(--text-3);}
.side-post{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);}
.side-post:last-child{border-bottom:0;padding-bottom:0;}
.side-post img{width:74px;height:58px;border-radius:10px;object-fit:cover;flex-shrink:0;background:#EDF2F8;}
.side-post .sp-title{font-size:14px;font-weight:600;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease;}
.side-post:hover .sp-title{color:var(--brand);}
.side-post .sp-date{font-size:12.5px;color:var(--text-3);margin-top:5px;font-variant-numeric:tabular-nums;}
.side-help{background:linear-gradient(160deg,var(--brand-active),var(--brand));color:#fff;border:0;}
.side-help .side-title{color:#fff;}
.side-help .side-title i{color:#9FD4F7;}
.side-help p{font-size:13.5px;color:rgba(255,255,255,.86);margin-bottom:14px;}
.side-help .btn{background:#fff;color:var(--brand);width:100%;}
.side-help .btn:hover{background:#EAF3FC;}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0;}
@media(min-width:768px){.section{padding:80px 0;}}
.section-head{margin-bottom:30px;max-width:760px;}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.08em;background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px;}
.section-title{font-size:26px;color:var(--text);}
@media(min-width:768px){.section-title{font-size:32px;}}
.section-sub{margin-top:12px;color:var(--text-3);font-size:15.5px;}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.post-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-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D5E3F1;}
.post-thumb{position:relative;height:180px;overflow:hidden;background:#EDF2F8;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-cat{position:absolute;left:14px;top:14px;height:24px;padding:0 11px;border-radius:999px;background:rgba(255,255,255,.94);color:var(--brand);font-size:12.5px;font-weight:700;display:inline-flex;align-items:center;}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{font-size:17px;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease;}
.post-card:hover .post-title{color:var(--brand);}
.post-excerpt{font-size:14px;color:var(--text-3);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.post-foot .read{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:13.5px;}
.post-card:hover .post-foot .read i{transform:translateX(3px);}
.post-foot .read i{transition:transform .2s ease;}

/* ---------- 转化表单 ---------- */
.cta-wrap{display:grid;grid-template-columns:1fr;gap:28px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--sh-1);}
@media(min-width:1024px){.cta-wrap{grid-template-columns:1fr 1fr;gap:44px;padding:40px;}}
.cta-copy h2{font-size:26px;color:var(--text);}
@media(min-width:768px){.cta-copy h2{font-size:30px;}}
.cta-copy p{margin-top:14px;color:var(--text-3);font-size:15.5px;max-width:44ch;}
.point-list{margin-top:22px;display:grid;gap:12px;}
.point-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.point-list i{color:var(--accent);margin-top:6px;font-size:13px;}
.contact-box{margin-top:26px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;font-size:14px;color:var(--text-2);display:grid;gap:6px;}
.contact-box strong{color:var(--text);}
.form-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;}
@media(min-width:768px){.form-card{padding:26px;}}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:7px;}
.field .req{color:#E05252;}
.field input,
.field select,
.field textarea{width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);transition:border-color .18s ease,box-shadow .18s ease;appearance:none;}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%2345566B' d='M8 11L2.5 5.5l1-1L8 8.9l4.5-4.4 1 1z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;}
.field input:focus,
.field select:focus,
.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,99,168,.14);}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-3);margin:4px 0 18px;}
.check-row input{width:18px;height:18px;accent-color:var(--brand);margin-top:4px;flex-shrink:0;}
.form-tip{margin-top:14px;font-size:12.5px;color:var(--text-3);}
.form-ok{display:none;margin-top:14px;background:var(--accent-soft);border:1px solid #BFE8E2;color:#0C7F73;border-radius:12px;padding:11px 14px;font-size:14px;}
.form-ok.show{display:block;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:1024px){.faq-grid{grid-template-columns:300px minmax(0,1fr);gap:48px;}}
.faq-intro h2{font-size:26px;color:var(--text);}
@media(min-width:768px){.faq-intro h2{font-size:30px;}}
.faq-intro p{margin-top:14px;color:var(--text-3);font-size:15px;}
.faq-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item+.faq-item{border-top:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;transition:color .18s ease,background .18s ease;}
.faq-q:hover{color:var(--brand);background:#FAFCFF;}
.faq-icon{width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:14px;flex-shrink:0;transition:transform .24s ease,background .24s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1E2E;color:#C4D2E0;padding:52px 0 0;margin-top:16px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-mark{background:linear-gradient(135deg,#2E7CC7,#12A594);}
.footer-brand .logo-text{color:#fff;font-size:17px;}
.footer-desc{font-size:14px;color:#8FA3B8;max-width:28ch;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-link{display:block;font-size:14px;color:#A9BACB;padding:5px 0;transition:color .18s ease,transform .18s ease;}
.footer-link:hover{color:#fff;transform:translateX(2px);}
.footer-contact{font-size:14px;color:#A9BACB;line-height:1.9;}
.footer-bottom{margin-top:40px;border-top:1px solid #23384F;padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8FA3B8;}
.footer-bottom a{color:#A9BACB;transition:color .18s ease;}
.footer-bottom a:hover{color:#fff;}
.mt-4{margin-top:16px;}

/* roulang page: category1 */
:root{
  --primary:#1F63A8;
  --primary-hover:#17518C;
  --primary-active:#12406F;
  --primary-soft:#E8F1FA;
  --accent:#12A594;
  --accent-soft:#E4F6F3;
  --orange:#FF8B3D;
  --orange-soft:#FFF1E6;
  --text:#0F1E2E;
  --text-2:#45566B;
  --text-3:#7A8A9C;
  --border:#E3EBF3;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(15,30,46,.06);
  --shadow-2:0 12px 32px -12px rgba(15,30,46,.14);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang 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;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1280px){.container{padding:0 32px;}}

/* ---------- 顶部运营条 ---------- */
.topbar{
  background:var(--primary-soft);
  border-bottom:1px solid var(--border);
  font-size:13px;
  color:var(--text-2);
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:38px;
  flex-wrap:wrap;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:23px;
  padding:0 11px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--border);
  color:var(--primary);
  font-size:12px;
  white-space:nowrap;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);
}
.countdown{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  color:var(--text-2);
  white-space:nowrap;
}
.countdown .cd-label{font-size:12px;color:var(--text-3);}
.cd-group{
  display:inline-flex;
  align-items:baseline;
  gap:3px;
  padding:2px 8px;
  border-radius:8px;
  background:#fff;
  border:1px solid var(--border);
}
.cd-num{
  color:var(--orange);
  font-weight:700;
  font-size:13px;
}
.cd-unit{font-size:11px;color:var(--text-3);}
.cd-colon{color:var(--text-3);font-weight:700;}
.topbar-links{display:flex;gap:16px;}
.topbar-links a{color:var(--text-2);transition:color .18s ease;}
.topbar-links a:hover{color:var(--primary);}
@media(max-width:767px){
  .topbar-links{display:none;}
  .countdown{margin-left:auto;}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(15,30,46,.28);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  font-weight:700;
  letter-spacing:0;
}
.logo-text{
  font-size:17px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.2px;
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:68px;
  padding:0 14px;
  font-size:15px;
  color:var(--text-2);
  transition:color .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--primary);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:2px;
  background:var(--primary);
  border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  min-height:44px;
  padding:0 20px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);}
.btn-primary:active{background:var(--primary-active);transform:translateY(0);}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--border);}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-1px);}
.btn-ghost{background:var(--primary-soft);color:var(--primary);}
.btn-ghost:hover{background:#D8E7F6;transform:translateY(-1px);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
  transition:gap .18s ease,color .18s ease;
}
.btn-link:hover{gap:10px;color:var(--primary-hover);}
.nav-badge{
  display:inline-flex;align-items:center;
  height:18px;padding:0 6px;border-radius:999px;
  background:var(--orange);color:#fff;
  font-size:11px;font-weight:700;line-height:1;
}
.menu-btn{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  font-size:17px;
  cursor:pointer;
  align-items:center;justify-content:center;
}
.menu-btn:hover{border-color:var(--primary);color:var(--primary);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,30,46,.42);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
  z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:min(84vw,340px);
  background:#fff;
  z-index:90;
  transform:translateX(102%);
  transition:transform .28s ease;
  padding:20px;
  overflow-y:auto;
  box-shadow:-14px 0 40px -20px rgba(15,30,46,.4);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:#fff;cursor:pointer;color:var(--text-2);
}
.drawer-close:hover{border-color:var(--primary);color:var(--primary);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 12px;border-radius:10px;
  color:var(--text-2);font-size:15px;border-bottom:1px solid var(--border);
  transition:background-color .16s ease,color .16s ease;
}
.drawer-nav a:last-child{border-bottom:none;}
.drawer-nav a:hover{background:var(--primary-soft);color:var(--primary);}
.drawer-nav a.active{color:var(--primary);font-weight:600;background:var(--primary-soft);}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:18px;}
.drawer-cd{
  margin-top:18px;padding:14px;border-radius:var(--radius-md);
  background:var(--orange-soft);border:1px solid #FFE0C7;
  font-size:13px;color:var(--text-2);
}
.drawer-cd strong{color:var(--orange);font-size:15px;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
@media(min-width:1024px){.section{padding:80px 0;}}
.section-head{max-width:760px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--accent-soft);color:#0B7A6D;
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.section-title{
  font-size:26px;line-height:1.3;font-weight:700;color:var(--text);
  margin:14px 0 10px;
}
@media(min-width:768px){.section-title{font-size:30px;}}
.section-sub{color:var(--text-2);font-size:15px;margin:0;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.88) 48%,rgba(232,241,250,.72) 100%);
}
.hero-inner{position:relative;padding:44px 0 52px;}
@media(min-width:1024px){.hero-inner{padding:60px 0 68px;}}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-3);transition:color .16s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb i{font-size:10px;color:#B9C6D4;}
.hero-h1{
  font-size:30px;line-height:1.28;font-weight:700;color:var(--text);
  margin:0 0 16px;max-width:820px;
}
@media(min-width:768px){.hero-h1{font-size:38px;}}
@media(min-width:1280px){.hero-h1{font-size:42px;}}
.hero-lead{
  max-width:720px;
  font-size:16px;color:var(--text-2);margin:0 0 26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:500;
  background:#fff;border:1px solid var(--border);color:var(--text-2);
  box-shadow:var(--shadow-1);
}
.tag i{color:var(--primary);font-size:12px;}
.tag.accent{background:var(--accent-soft);border-color:#CDEBE6;color:#0B7A6D;}
.tag.accent i{color:var(--accent);}

/* ---------- 目录 + 正文 ---------- */
.layout{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:start;
}
@media(min-width:1024px){
  .layout{grid-template-columns:264px 1fr;gap:36px;}
}
.toc{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow-1);
}
@media(min-width:1024px){
  .toc{position:sticky;top:92px;}
}
.toc-title{
  font-size:13px;font-weight:700;color:var(--text-3);
  letter-spacing:1px;margin:0 0 12px;
}
.toc-list{list-style:none;margin:0;padding:0;position:relative;}
.toc-list::before{
  content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--border);
}
.toc-list li{position:relative;}
.toc-list a{
  display:block;
  padding:8px 8px 8px 22px;
  font-size:14px;color:var(--text-2);
  border-radius:8px;
  transition:color .16s ease,background-color .16s ease;
}
.toc-list a::before{
  content:"";position:absolute;left:1px;top:16px;
  width:9px;height:9px;border-radius:50%;
  background:#fff;border:2px solid #C9D8E7;
  transition:border-color .16s ease,background-color .16s ease;
}
.toc-list a:hover{color:var(--primary);background:var(--primary-soft);}
.toc-list a.active{color:var(--primary);font-weight:600;background:var(--primary-soft);}
.toc-list a.active::before{border-color:var(--primary);background:var(--primary);}
.toc-side{
  margin-top:18px;padding:14px;border-radius:var(--radius-md);
  background:var(--primary-soft);
  font-size:13px;color:var(--text-2);
  line-height:1.7;
}
.toc-side strong{color:var(--primary);}

/* 移动端目录横向 */
.toc-mobile{
  display:flex;gap:8px;overflow-x:auto;
  padding:4px 0 10px;
  margin-bottom:8px;
  scrollbar-width:none;
}
.toc-mobile::-webkit-scrollbar{display:none;}
.toc-mobile a{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:36px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--border);
  font-size:13px;color:var(--text-2);white-space:nowrap;
}
.toc-mobile a:hover,.toc-mobile a.active{
  background:var(--primary);border-color:var(--primary);color:#fff;
}
@media(min-width:1024px){.toc-mobile{display:none;}}

/* 正文分节 */
.doc-section{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;
  margin-bottom:20px;
  box-shadow:var(--shadow-1);
  scroll-margin-top:96px;
}
@media(min-width:768px){.doc-section{padding:30px 32px;}}
.doc-title{
  position:relative;
  font-size:21px;line-height:1.4;font-weight:700;color:var(--text);
  margin:0 0 14px;padding-left:14px;
}
.doc-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:var(--primary);
}
.doc-sub{
  font-size:17px;font-weight:600;color:var(--text);
  margin:22px 0 10px;
}
.doc-section p{margin:0 0 14px;color:var(--text-2);font-size:15.5px;line-height:1.9;}
.doc-section p:last-child{margin-bottom:0;}
.doc-section ul,.doc-section ol{margin:0 0 6px;padding-left:0;list-style:none;}
.check-list li{
  position:relative;padding-left:28px;margin-bottom:10px;
  color:var(--text-2);font-size:15.5px;line-height:1.8;
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;
  width:18px;height:18px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);
  font-size:9px;display:flex;align-items:center;justify-content:center;
}
.warn-list li{
  position:relative;padding-left:28px;margin-bottom:10px;
  color:var(--text-2);font-size:15.5px;line-height:1.8;
}
.warn-list li::before{
  content:"!";
  position:absolute;left:0;top:3px;
  width:18px;height:18px;border-radius:50%;
  background:var(--orange-soft);color:var(--orange);
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}

/* 数字步骤 */
.steps{counter-reset:step;list-style:none;margin:6px 0 0;padding:0;}
.steps li{
  position:relative;
  padding:0 0 20px 46px;
  border-left:1px solid var(--border);
  margin-left:15px;
}
.steps li:last-child{border-left-color:transparent;padding-bottom:0;}
.steps li::before{
  counter-increment:step;
  content:counter(step);
  position:absolute;left:-16px;top:0;
  width:31px;height:31px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  border:3px solid #fff;
}
.steps li strong{display:block;color:var(--text);font-size:15.5px;margin-bottom:4px;}
.steps li span{color:var(--text-2);font-size:15px;line-height:1.85;}

/* 方式卡片 */
.way-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:6px;}
@media(min-width:768px){.way-grid{grid-template-columns:repeat(3,1fr);}}
.way-card{
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:20px;
  background:#FBFDFF;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.way-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFE0F0;}
.way-icon{
  width:42px;height:42px;border-radius:12px;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:14px;
}
.way-card h3{font-size:16px;font-weight:700;margin:0 0 8px;color:var(--text);}
.way-card p{font-size:14px;color:var(--text-2);line-height:1.8;margin:0 0 12px;}
.mini-tag{
  display:inline-flex;align-items:center;gap:5px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:var(--accent-soft);color:#0B7A6D;
}
.mini-tag.gray{background:#EEF3F8;color:var(--text-2);}
.mini-tag.orange{background:var(--orange-soft);color:#C25E1B;}

/* 图文块 */
.figure-block{
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--border);
  margin:6px 0 16px;
  background:#EEF4FA;
}
.figure-block img{
  width:100%;height:auto;object-fit:cover;
  transition:transform .35s ease;
}
.figure-block:hover img{transform:scale(1.03);}
.figure-cap{
  font-size:13px;color:var(--text-3);
  padding:10px 14px;background:#fff;border-top:1px solid var(--border);
}

/* 对比条 */
.compare{margin-top:8px;}
.compare-row{margin-bottom:16px;}
.compare-label{
  display:flex;justify-content:space-between;
  font-size:13.5px;color:var(--text-2);margin-bottom:6px;
}
.compare-label b{color:var(--text);}
.bar{
  height:12px;border-radius:999px;background:#EDF2F8;overflow:hidden;
}
.bar span{
  display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
}
.bar.slow span{background:linear-gradient(90deg,#C6D3E0,#9FB2C5);}
.compare-note{
  margin-top:6px;font-size:14px;color:var(--text-2);
}

/* 场景网格 */
.scene-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.scene-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.scene-grid{grid-template-columns:repeat(2,1fr);}}
.scene-card{
  display:flex;gap:14px;
  padding:18px;border:1px solid var(--border);
  border-radius:var(--radius-md);background:#fff;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.scene-num{
  flex:0 0 auto;
  width:30px;height:30px;border-radius:9px;
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.scene-card h3{font-size:15.5px;font-weight:700;margin:0 0 6px;color:var(--text);}
.scene-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8;}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;
  margin-top:6px;
}
@media(min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr);}}
.stat{
  padding:18px;border:1px solid var(--border);border-radius:var(--radius-md);
  background:#FBFDFF;
}
.stat .num{
  font-size:26px;font-weight:700;color:var(--accent);
  line-height:1.2;
}
.stat .num small{font-size:13px;color:var(--text-3);font-weight:500;margin-left:4px;}
.stat .lbl{font-size:13px;color:var(--text-2);margin-top:4px;}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;grid-template-columns:1fr;gap:24px;
}
@media(min-width:1024px){.faq-wrap{grid-template-columns:340px 1fr;gap:48px;}}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;
  background:none;border:none;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);text-align:left;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  transition:transform .24s ease,background-color .24s ease,color .24s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--primary);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  margin:0;padding:0 0 20px;
  font-size:15px;color:var(--text-2);line-height:1.85;
}

/* ---------- CTA 表单 ---------- */
.cta-band{
  background:linear-gradient(120deg,#EDF4FB 0%,#E8F1FA 55%,#E4F6F3 100%);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.cta-grid{
  display:grid;grid-template-columns:1fr;gap:32px;align-items:start;
}
@media(min-width:1024px){.cta-grid{grid-template-columns:1fr 460px;gap:56px;}}
.cta-points{list-style:none;margin:20px 0 0;padding:0;}
.cta-points li{
  position:relative;padding-left:26px;margin-bottom:12px;
  font-size:15px;color:var(--text-2);
}
.cta-points li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:9px;height:9px;border-radius:3px;
  background:var(--accent);
}
.contact-block{
  margin-top:24px;padding:18px 20px;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);
  font-size:14px;color:var(--text-2);line-height:1.9;
  box-shadow:var(--shadow-1);
}
.contact-block strong{color:var(--text);}
.form-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-2);
}
@media(min-width:768px){.form-card{padding:30px;}}
.form-card h3{font-size:19px;font-weight:700;margin:0 0 6px;color:var(--text);}
.form-card .form-tip{font-size:13.5px;color:var(--text-3);margin:0 0 20px;}
.field{margin-bottom:16px;}
.field label{
  display:block;font-size:13.5px;font-weight:600;
  color:var(--text-2);margin-bottom:7px;
}
.field label .req{color:#E05555;margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;
  min-height:46px;
  padding:10px 13px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#FBFDFF;
  font-size:15px;
  color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 0 0 3px var(--primary-soft);
}
.field select{
  appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237A8A9C' d='M1.4 0 6 4.6 10.6 0 12 1.4 6 7.4 0 1.4z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:38px;
}
.check-line{
  display:flex;align-items:flex-start;gap:9px;
  font-size:13.5px;color:var(--text-2);line-height:1.7;
}
.check-line input{
  width:17px;height:17px;margin-top:3px;flex:0 0 auto;
  accent-color:var(--primary);
}
.form-actions{margin-top:20px;}
.form-actions .btn{width:100%;}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}
.alert-success{
  display:none;
  margin-top:16px;padding:12px 16px;
  border-radius:12px;
  background:var(--accent-soft);
  border:1px solid #BFE7E1;
  color:#0B7A6D;font-size:14px;
}
.alert-success.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0F1E2E;
  color:#B7C4D3;
  padding:56px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-bottom:40px;
}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-mark{background:var(--primary);}
.footer-brand .logo-text{color:#fff;font-size:16px;}
.footer-desc{font-size:14px;color:#93A5B8;margin:0;max-width:320px;line-height:1.8;}
.footer-title{
  font-size:14px;font-weight:700;color:#fff;
  margin-bottom:14px;letter-spacing:.3px;
}
.footer-link{
  display:block;
  font-size:14px;color:#B7C4D3;
  padding:5px 0;
  transition:color .18s ease,transform .18s ease;
}
.footer-link:hover{color:#7FB6E8;transform:translateX(2px);}
.footer-contact{font-size:14px;color:#93A5B8;line-height:2;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#8395A9;
}
.footer-bottom a{color:#8395A9;transition:color .18s ease;}
.footer-bottom a:hover{color:#7FB6E8;}

/* ---------- 响应式导航 ---------- */
@media(max-width:1023px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .nav-actions .btn-ghost{display:none;}
}
@media(max-width:520px){
  .logo-text{font-size:15px;}
  .nav-actions .btn-primary{padding:0 14px;font-size:14px;}
  .hero-h1{font-size:27px;}
  .section{padding:52px 0;}
  .doc-section{padding:20px;}
  .form-card{padding:20px;}
}

/* roulang page: category3 */
:root{
  --brand:#1F63A8;
  --brand-hover:#17518C;
  --brand-active:#12406F;
  --brand-soft:#E8F1FA;
  --accent:#12A594;
  --accent-soft:#E4F6F3;
  --orange:#FF8B3D;
  --orange-soft:#FFF1E7;
  --text:#0F1E2E;
  --text-2:#45566B;
  --text-3:#7A8A9C;
  --border:#E3EBF3;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --shadow-1:0 1px 2px rgba(15,30,46,.06);
  --shadow-2:0 12px 32px -12px rgba(15,30,46,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 28px;}}
@media(min-width:1280px){.container{max-width:1280px;padding:0 32px;}}

/* ---------- 顶部运营条 ---------- */
.topbar{background:#EAF3FB;border-bottom:1px solid var(--border);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:40px;height:40px;font-size:13px;}
.status-pill{display:inline-flex;align-items:center;gap:7px;height:24px;padding:0 11px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--text-2);font-size:12px;white-space:nowrap;}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(18,165,148,.16);}
.countdown{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;color:var(--text-2);font-size:12.5px;}
.countdown .cd-label{color:var(--text-3);}
.cd-num{
  display:inline-grid;place-items:center;min-width:26px;height:22px;padding:0 5px;border-radius:6px;
  background:#fff;border:1px solid var(--border);color:var(--orange);font-weight:700;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;
}
.cd-colon{color:var(--text-3);font-weight:700;}
.topbar-links{display:flex;align-items:center;gap:14px;}
.topbar-links a{color:var(--text-2);transition:color .18s;}
.topbar-links a:hover{color:var(--brand);}
@media(max-width:860px){.topbar-links{display:none;}}
@media(max-width:560px){.countdown .cd-label{display:none;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .2s ease;}
.site-header.is-stuck{box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#1F63A8,#2B7CC9);color:#fff;font-weight:700;font-size:17px;
}
.logo-text{font-weight:700;font-size:17px;letter-spacing:.2px;white-space:nowrap;}
.nav-links{display:none;align-items:center;gap:4px;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-link{position:relative;padding:10px 14px;border-radius:10px;font-size:15px;color:var(--text-2);transition:color .18s,background .18s;white-space:nowrap;}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-badge{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;margin-left:6px;border-radius:999px;background:var(--orange);color:#fff;font-size:11px;font-weight:700;}
.menu-btn{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:17px;cursor:pointer;transition:all .18s;}
.menu-btn:hover{color:var(--brand);border-color:#C9DDF0;}
@media(min-width:1024px){.menu-btn{display:none;}}
@media(max-width:639px){.nav-actions .btn-ghost{display:none;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;
  border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 8px 20px -10px rgba(31,99,168,.65);}
.btn-primary:active{background:var(--brand-active);transform:none;}
.btn-outline{background:#fff;color:var(--brand);border-color:#C9DDF0;}
.btn-outline:hover{border-color:var(--orange);color:var(--brand-hover);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--text-2);border-color:var(--border);}
.btn-ghost:hover{color:var(--brand);border-color:#C9DDF0;background:var(--brand-soft);}
.btn:focus-visible,.nav-link:focus-visible,.footer-link:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:10px;
}
.btn[disabled]{opacity:.5;pointer-events:none;}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}

/* ---------- 抽屉菜单 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(15,30,46,.45);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:85;}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:310px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .28s ease;box-shadow:-16px 0 44px -22px rgba(15,30,46,.5);
  padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--text-2);cursor:pointer;font-size:16px;}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:12px;color:var(--text-2);font-size:15.5px;transition:background .18s,color .18s;}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-link.active{color:var(--brand);font-weight:600;background:var(--brand-soft);}
.drawer-cta{margin-top:18px;display:grid;gap:10px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;padding:52px 0 46px;border-bottom:1px solid var(--border);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(255,255,255,.96) 0%,rgba(245,248,252,.9) 55%,rgba(232,241,250,.72) 100%);
}
.page-hero .container{position:relative;z-index:1;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:var(--text-3);transition:color .18s;}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;}
.hero-h1{font-size:30px;letter-spacing:-.2px;margin-bottom:16px;max-width:820px;}
@media(min-width:768px){.hero-h1{font-size:38px;}}
@media(min-width:1024px){.hero-h1{font-size:44px;}}
.hero-lead{font-size:16.5px;color:var(--text-2);max-width:720px;line-height:1.85;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:999px;
  font-size:13px;background:#fff;border:1px solid var(--border);color:var(--text-2);
}
.tag i{font-size:12px;color:var(--brand);}
.tag.t-accent{background:var(--accent-soft);border-color:transparent;color:#0B7A6D;}
.tag.t-accent i{color:var(--accent);}
.tag.t-orange{background:var(--orange-soft);border-color:transparent;color:#B85A1C;}
.tag.t-orange i{color:var(--orange);}

/* ---------- 通用板块 ---------- */
.section{padding:60px 0;}
@media(min-width:768px){.section{padding:78px 0;}}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.sec-head{max-width:780px;margin-bottom:34px;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:4px 12px;border-radius:999px;margin-bottom:14px;}
.sec-title{font-size:24px;margin-bottom:12px;}
@media(min-width:768px){.sec-title{font-size:28px;}}
.sec-desc{color:var(--text-2);font-size:15.5px;}

/* ---------- 异常判断卡（非对称网格） ---------- */
.judge-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:900px){.judge-grid{grid-template-columns:1.35fr 1fr;}}
.judge-main{
  background:linear-gradient(160deg,#FFFFFF 0%,#F7FBFF 100%);
  border:1px solid var(--border);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:16px;
}
.judge-main img{border-radius:var(--r-md);aspect-ratio:16/9;object-fit:cover;width:100%;background:#EEF3F8;}
.judge-main h3{font-size:20px;}
.judge-main p{color:var(--text-2);font-size:15px;}
.judge-side{display:grid;gap:20px;}
.mini-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:20px;
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFE1F2;}
.mini-card h4{font-size:16.5px;margin-bottom:8px;display:flex;align-items:center;gap:9px;}
.mini-card h4 i{color:var(--brand);font-size:15px;}
.mini-card p{color:var(--text-2);font-size:14.5px;}
.icon-box{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:16px;margin-bottom:14px;
}
.icon-box.accent{background:var(--accent-soft);color:var(--accent);}
.icon-box.orange{background:var(--orange-soft);color:var(--orange);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:22px;width:2px;
  background:linear-gradient(180deg,rgba(31,99,168,.45),rgba(31,99,168,.08));border-radius:2px;
}
.tl-item{position:relative;padding-left:60px;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:0;top:4px;width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  display:grid;place-items:center;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;z-index:1;
}
.tl-item.is-done .tl-node{background:var(--accent);border-color:var(--accent);color:#fff;}
.tl-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.tl-card h3{font-size:17.5px;margin-bottom:8px;}
.tl-card p{color:var(--text-2);font-size:15px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;background:var(--brand-soft);color:var(--brand);font-weight:500;
}
.pill.p-accent{background:var(--accent-soft);color:#0B7A6D;}
.pill.p-orange{background:var(--orange-soft);color:#B85A1C;}
.pill.p-grey{background:#F0F4F9;color:var(--text-2);}
@media(max-width:520px){
  .timeline::before{left:15px;}
  .tl-item{padding-left:48px;}
  .tl-node{width:32px;height:32px;font-size:13px;border-width:2px;}
}

/* ---------- 材料清单 ---------- */
.mat-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.mat-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.mat-grid{grid-template-columns:repeat(3,1fr);}}
.mat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:20px;
  box-shadow:var(--shadow-1);display:flex;gap:14px;align-items:flex-start;
  transition:transform .2s ease,box-shadow .2s ease;
}
.mat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.mat-card .num{
  flex:0 0 32px;width:32px;height:32px;border-radius:9px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.mat-card h4{font-size:16px;margin-bottom:6px;}
.mat-card p{font-size:14.5px;color:var(--text-2);}

/* ---------- 安全加固 ---------- */
.hard-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:960px){.hard-grid{grid-template-columns:1.5fr 1fr;}}
.hard-main{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--shadow-1);
}
.hard-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);margin-bottom:20px;background:#EEF3F8;}
.hard-main h3{font-size:20px;margin-bottom:10px;}
.hard-main p{color:var(--text-2);font-size:15px;margin-bottom:16px;}
.check-list{display:grid;gap:12px;margin-top:6px;}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.check-list li i{color:var(--accent);font-size:14px;margin-top:6px;}
.hard-side{display:grid;gap:16px;}
.hard-side .mini-card{padding:18px 20px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFE1F2;}
.faq-item.open{box-shadow:var(--shadow-1);border-color:#CFE1F2;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.55;
}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:12px;transition:transform .28s ease,background .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.9;}
.faq-item.open .faq-a{max-height:520px;}

/* ---------- 表单 ---------- */
.cta-grid{display:grid;grid-template-columns:1fr;gap:26px;}
@media(min-width:960px){.cta-grid{grid-template-columns:1fr 1fr;gap:40px;align-items:start;}}
.cta-panel{
  background:linear-gradient(150deg,#1F63A8 0%,#17518C 100%);border-radius:var(--r-lg);
  padding:30px;color:#fff;position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-panel h2{font-size:24px;margin-bottom:14px;}
.cta-panel p{color:rgba(255,255,255,.86);font-size:15px;}
.cta-points{display:grid;gap:12px;margin:22px 0 24px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.92);}
.cta-points li i{color:#7FE3D6;margin-top:6px;font-size:13px;}
.cta-contact{
  border-top:1px solid rgba(255,255,255,.22);padding-top:18px;font-size:14.5px;
  color:rgba(255,255,255,.9);line-height:2;
}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-1);}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-sub{color:var(--text-3);font-size:14px;margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text);}
.field .req{color:#D9534F;}
.input,select.input,textarea.input{
  width:100%;min-height:46px;border:1px solid var(--border);border-radius:12px;
  padding:11px 14px;font-size:15px;color:var(--text);background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;font-family:inherit;line-height:1.6;
}
select.input{appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237A8A9C' d='M6 8 0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center;padding-right:38px;}
textarea.input{min-height:96px;resize:vertical;}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,99,168,.14);}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);margin:6px 0 18px;}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand);flex-shrink:0;}
.check-row a{color:var(--brand);font-weight:600;}
.form-ok{
  display:none;align-items:center;gap:10px;background:var(--accent-soft);color:#0B7A6D;
  border-radius:12px;padding:12px 16px;font-size:14.5px;margin-top:16px;
}
.form-ok.show{display:flex;}
@media(max-width:639px){.form-card .btn{width:100%;}}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1E2E;color:#C2CFDD;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:9px;font-size:16px;}
.footer-brand .logo-text{color:#fff;font-size:16.5px;}
.footer-desc{font-size:14px;color:#93A5B8;line-height:1.8;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-link{display:block;font-size:14.5px;color:#C2CFDD;padding:5px 0;transition:color .18s ease,transform .18s ease;}
.footer-link:hover{color:#7FB6E8;transform:translateX(2px);}
.footer-contact{font-size:14px;color:#93A5B8;line-height:2;}
.site-footer .btn-outline{background:transparent;color:#C2CFDD;border-color:rgba(194,207,221,.32);}
.site-footer .btn-outline:hover{color:#fff;border-color:#7FB6E8;background:rgba(127,182,232,.12);}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(194,207,221,.16);
  display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;
  font-size:13px;color:#8798AA;
}
.footer-bottom a{color:#8798AA;transition:color .18s;}
.footer-bottom a:hover{color:#7FB6E8;}

/* ---------- 其它 ---------- */
.divider{height:1px;background:var(--border);border:0;margin:0;}
.note-bar{
  display:flex;gap:12px;align-items:flex-start;background:var(--orange-soft);
  border-radius:var(--r-md);padding:16px 18px;font-size:14.5px;color:#8A4A18;margin-top:26px;
}
.note-bar i{color:var(--orange);margin-top:5px;}

/* roulang page: category2 */
:root{
    --c-primary:#1F63A8;
    --c-primary-dark:#17518C;
    --c-primary-deep:#12406F;
    --c-primary-soft:#E8F1FA;
    --c-jade:#12A594;
    --c-jade-soft:#E4F6F3;
    --c-jade-deep:#0B7A6D;
    --c-sun:#FF8B3D;
    --c-sun-soft:#FFF1E6;
    --c-sun-deep:#C2600F;
    --c-ink:#0F1E2E;
    --c-sub:#45566B;
    --c-mute:#7A8A9C;
    --c-line:#E3EBF3;
    --c-page:#F5F8FC;
    --c-card:#FFFFFF;
    --r-sm:10px;
    --r-md:14px;
    --r-lg:20px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(15,30,46,.06);
    --sh-2:0 12px 32px -12px rgba(15,30,46,.14);
    --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--c-ink);
    background:var(--c-page);
  }
  img{max-width:100%;display:block;border:0;}
  a{color:inherit;text-decoration:none;transition:color .18s ease,transform .18s ease;}
  a:hover{color:var(--c-primary);}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
    outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;
  }
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 28px;}}
  @media (min-width:1280px){.container{padding:0 32px;}}
  .is-hidden{display:none !important;}
  .num{font-variant-numeric:tabular-nums;font-family:var(--mono);}

  /* ---------- 顶部运营条 ---------- */
  .topbar{background:var(--c-primary);color:#fff;font-size:13px;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
  .topbar a{color:rgba(255,255,255,.82);}
  .topbar a:hover{color:#fff;}
  .status-pill{
    display:inline-flex;align-items:center;gap:7px;height:22px;padding:0 10px;
    border-radius:var(--r-pill);background:rgba(255,255,255,.16);font-size:12px;font-weight:600;
  }
  .status-pill .dot{width:7px;height:7px;border-radius:50%;background:#5BE3C9;box-shadow:0 0 0 3px rgba(91,227,201,.25);}
  .countdown{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
  .cd-label{opacity:.82;}
  .cd-num{
    font-family:var(--mono);font-weight:700;background:rgba(255,255,255,.18);
    border-radius:6px;padding:0 6px;min-width:28px;text-align:center;line-height:20px;
  }
  .cd-sep{opacity:.6;font-size:11px;}
  .topbar-links{display:flex;align-items:center;gap:14px;}
  @media (max-width:900px){
    .topbar-links{display:none;}
  }
  @media (max-width:520px){
    .cd-label{display:none;}
    .topbar-inner{justify-content:center;}
    .status-pill{display:none;}
  }

  /* ---------- 主导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--c-line);
    transition:box-shadow .2s ease;
  }
  .site-header.is-stuck{box-shadow:0 6px 20px -14px rgba(15,30,46,.28);}
  .nav-inner{display:flex;align-items:center;gap:20px;height:68px;}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--c-ink);flex-shrink:0;}
  .logo:hover{color:var(--c-ink);}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;color:#fff;display:grid;place-items:center;
    font-size:16px;font-weight:800;background:linear-gradient(135deg,var(--c-primary) 10%,var(--c-jade) 110%);
    flex-shrink:0;
  }
  .logo-text{white-space:nowrap;}
  .nav-links{display:none;}
  .nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
  .nav-badge{
    display:inline-grid;place-items:center;height:18px;min-width:18px;padding:0 5px;margin-left:6px;
    border-radius:var(--r-pill);background:var(--c-sun);color:#fff;font-size:11px;font-weight:700;line-height:1;
  }
  .menu-btn{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;
    color:var(--c-ink);display:grid;place-items:center;cursor:pointer;font-size:17px;
  }
  .menu-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}
  @media (min-width:1024px){
    .nav-links{display:flex;align-items:stretch;height:68px;gap:2px;margin-left:8px;}
    .nav-link{
      position:relative;display:flex;align-items:center;padding:0 14px;font-size:15px;
      color:var(--c-sub);border-radius:0;
    }
    .nav-link::after{
      content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;
      background:transparent;transition:background .18s ease;
    }
    .nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
    .nav-link.active{color:var(--c-primary);font-weight:700;}
    .nav-link.active::after{background:var(--c-primary);}
    .menu-btn{display:none;}
  }
  @media (max-width:640px){
    .nav-actions .btn-primary{display:none;}
    .nav-inner{gap:12px;}
    .logo-text{font-size:15px;}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;
    border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
    white-space:nowrap;line-height:1;
  }
  .btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
  .btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
  .btn-primary:active{background:var(--c-primary-deep);transform:none;}
  .btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-primary-deep);}
  .btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
  .btn-ghost{background:var(--c-primary-soft);color:var(--c-primary-deep);}
  .btn-ghost:hover{background:#D8E8F8;color:var(--c-primary-deep);transform:translateY(-1px);}
  .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
  .btn-block{width:100%;}

  /* ---------- 移动端抽屉 ---------- */
  .drawer{position:fixed;inset:0;z-index:70;pointer-events:none;}
  .drawer__mask{
    position:absolute;inset:0;background:rgba(15,30,46,.45);opacity:0;transition:opacity .25s ease;
  }
  .drawer__panel{
    position:absolute;top:0;right:0;bottom:0;width:84%;max-width:340px;background:#fff;
    transform:translateX(102%);transition:transform .26s ease;overflow-y:auto;padding:20px;
    display:flex;flex-direction:column;gap:6px;
  }
  .drawer.is-open{pointer-events:auto;}
  .drawer.is-open .drawer__mask{opacity:1;}
  .drawer.is-open .drawer__panel{transform:none;}
  .drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}
  .icon-btn{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;
    display:grid;place-items:center;cursor:pointer;color:var(--c-sub);
  }
  .icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;
    border-radius:12px;font-size:15px;color:var(--c-sub);font-weight:500;
  }
  .drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary);}
  .drawer-link.active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;}
  .drawer-divider{height:1px;background:var(--c-line);margin:10px 0;}

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0;}
  .section--alt{background:#fff;}
  .section--tight{padding:36px 0;}
  @media (min-width:768px){
    .section{padding:72px 0;}
    .section--tight{padding:44px 0;}
  }
  @media (min-width:1024px){
    .section{padding:88px 0;}
  }
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:30px;}
  .section-title{font-size:25px;}
  .section-title .accent{color:var(--c-primary);}
  @media (min-width:768px){.section-title{font-size:31px;}}
  .section-desc{color:var(--c-sub);font-size:15px;margin-top:10px;max-width:660px;}
  .link-more{
    display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--c-primary);
  }
  .link-more:hover{gap:10px;color:var(--c-primary-dark);}

  .pill{
    display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);
    font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
  }
  .pill--brand{background:var(--c-primary-soft);color:var(--c-primary-deep);}
  .pill--jade{background:var(--c-jade-soft);color:var(--c-jade-deep);}
  .pill--sun{background:var(--c-sun-soft);color:var(--c-sun-deep);}
  .pill--white{background:rgba(255,255,255,.94);color:var(--c-primary-deep);}

  /* ---------- Hero ---------- */
  .cat-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--c-line);}
  .cat-hero__bg{
    position:absolute;inset:0;
    background-image:
      linear-gradient(102deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 48%,rgba(232,241,250,.74) 100%),
      url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
  }
  .cat-hero__inner{position:relative;padding:36px 0 48px;}
  @media (min-width:768px){.cat-hero__inner{padding:48px 0 64px;}}
  @media (min-width:1024px){.cat-hero__inner{padding:56px 0 76px;}}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-mute);margin-bottom:20px;flex-wrap:wrap;}
  .crumb a{color:var(--c-sub);}
  .crumb a:hover{color:var(--c-primary);}
  .crumb i{font-size:10px;color:var(--c-mute);}
  .cat-hero__title{font-size:30px;letter-spacing:-.02em;}
  @media (min-width:768px){.cat-hero__title{font-size:40px;}}
  @media (min-width:1024px){.cat-hero__title{font-size:46px;}}
  .cat-hero__brand{
    display:block;margin-top:12px;font-size:14px;font-weight:600;letter-spacing:.14em;
    color:var(--c-primary);
  }
  .cat-hero__lead{
    margin-top:20px;max-width:720px;font-size:16px;color:var(--c-sub);line-height:1.85;
  }
  .cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .cat-hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .cat-hero__tags .pill{height:26px;padding:0 12px;background:#fff;border:1px solid var(--c-line);color:var(--c-sub);}
  .cat-hero__tags .pill i{color:var(--c-jade);}

  /* ---------- 指标 ---------- */
  .stats{display:grid;gap:14px;grid-template-columns:repeat(2,1fr);}
  @media (min-width:900px){.stats{grid-template-columns:repeat(4,1fr);gap:18px;}}
  .stat-card{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px 20px;
    box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease;
  }
  .stat-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
  .stat-value{font-size:28px;font-weight:800;color:var(--c-jade-deep);line-height:1.2;font-variant-numeric:tabular-nums;}
  .stat-value span{font-size:13px;font-weight:600;margin-left:4px;color:var(--c-sub);}
  .stat-label{margin-top:6px;font-size:13px;color:var(--c-mute);}
  .stat-trend{display:inline-flex;align-items:center;gap:4px;margin-top:8px;font-size:12px;color:var(--c-jade-deep);font-weight:600;}

  /* ---------- 标签组 + 瀑布卡片 ---------- */
  .tag-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
  .tag{
    height:38px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;
    color:var(--c-sub);font-size:14px;font-weight:600;cursor:pointer;
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
  }
  .tag:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
  .tag.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
  .masonry{display:grid;gap:22px;grid-template-columns:1fr;align-items:start;}
  @media (min-width:640px){.masonry{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.masonry{grid-template-columns:repeat(3,1fr);}}
  .zone-card{
    background:#fff;border:1px solid var(--c-line);border-radius:18px;overflow:hidden;
    box-shadow:var(--sh-1);display:flex;flex-direction:column;
    transition:transform .2s ease-out,box-shadow .2s ease-out;
  }
  .zone-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
  .zone-card__media{position:relative;overflow:hidden;background:#EDF3F9;}
  .zone-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
  .zone-card:hover .zone-card__media img{transform:scale(1.03);}
  .zone-card__tag{position:absolute;left:12px;top:12px;}
  .zone-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .zone-card__title{font-size:18px;transition:color .18s ease;}
  .zone-card:hover .zone-card__title{color:var(--c-primary);}
  .zone-card__desc{
    font-size:14px;color:var(--c-sub);line-height:1.75;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .zone-card__meta{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding-top:12px;border-top:1px solid var(--c-line);font-size:12.5px;color:var(--c-mute);
  }
  .zone-card__meta i{margin-right:5px;}
  .zone-card__hot{color:var(--c-jade-deep);font-weight:700;font-variant-numeric:tabular-nums;}
  .masonry-empty{
    display:flex;align-items:center;justify-content:center;gap:10px;padding:40px 20px;
    background:#fff;border:1px dashed var(--c-line);border-radius:16px;color:var(--c-mute);font-size:14px;
  }
  .media-a{height:190px;}
  .media-b{height:248px;}
  .media-c{height:215px;}
  .media-d{height:262px;}
  .media-e{height:205px;}

  /* ---------- 非对称矩阵 ---------- */
  .matrix{display:grid;gap:22px;}
  @media (min-width:1024px){.matrix{grid-template-columns:1.15fr 1fr;align-items:start;}}
  .matrix-main{
    background:#fff;border:1px solid var(--c-line);border-radius:20px;overflow:hidden;
    box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out;
  }
  .matrix-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
  .matrix-main__media{height:230px;overflow:hidden;background:#EDF3F9;}
  .matrix-main__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
  .matrix-main:hover .matrix-main__media img{transform:scale(1.03);}
  .matrix-main__body{padding:24px;}
  .matrix-main__body h3{font-size:21px;}
  .matrix-main__body p{margin-top:12px;color:var(--c-sub);font-size:15px;}
  .matrix-side{display:grid;gap:16px;}
  @media (min-width:640px){.matrix-side{grid-template-columns:1fr 1fr;}}
  @media (min-width:1024px){.matrix-side{grid-template-columns:1fr;}}
  .mini-card{
    display:flex;gap:14px;padding:18px;background:#fff;border:1px solid var(--c-line);border-radius:16px;
    box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease;
  }
  .mini-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFE1F2;}
  .mini-card__icon{
    width:40px;height:40px;flex-shrink:0;border-radius:12px;background:var(--c-primary-soft);
    color:var(--c-primary);display:grid;place-items:center;font-size:16px;
  }
  .mini-card h4{font-size:16px;}
  .mini-card p{margin-top:6px;font-size:13.5px;color:var(--c-sub);line-height:1.7;}

  /* ---------- 步骤 ---------- */
  .steps{display:grid;gap:18px;grid-template-columns:1fr;}
  @media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
  .step{
    position:relative;background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:22px;
    box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out;
  }
  .step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
  .step-num{
    width:34px;height:34px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary-deep);
    display:grid;place-items:center;font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
  }
  .step h3{margin-top:14px;font-size:17px;}
  .step p{margin-top:8px;font-size:14px;color:var(--c-sub);line-height:1.75;}

  /* ---------- 反馈 ---------- */
  .reviews{display:grid;gap:20px;grid-template-columns:1fr;}
  @media (min-width:768px){.reviews{grid-template-columns:repeat(3,1fr);}}
  .review{
    background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:22px;box-shadow:var(--sh-1);
    display:flex;flex-direction:column;
  }
  .review__stars{color:var(--c-sun);font-size:13px;letter-spacing:2px;}
  .review__text{margin-top:12px;font-size:15px;color:var(--c-sub);line-height:1.8;flex:1;}
  .review__who{
    display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:14px;
    border-top:1px solid var(--c-line);font-size:13px;color:var(--c-mute);
  }
  .avatar{
    width:34px;height:34px;border-radius:50%;background:var(--c-jade-soft);color:var(--c-jade-deep);
    display:grid;place-items:center;font-weight:700;font-size:14px;flex-shrink:0;
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{display:grid;gap:26px;}
  @media (min-width:1024px){.faq-wrap{grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start;}}
  .faq-aside .pill{margin-bottom:14px;}
  .faq-list{background:#fff;border:1px solid var(--c-line);border-radius:20px;overflow:hidden;box-shadow:var(--sh-1);}
  .faq-item{border-bottom:1px solid var(--c-line);}
  .faq-item:last-child{border-bottom:0;}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 22px;cursor:pointer;font-weight:600;font-size:16px;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .faq-icon{
    width:26px;height:26px;flex-shrink:0;border-radius:50%;background:var(--c-primary-soft);
    color:var(--c-primary);display:grid;place-items:center;font-size:11px;transition:transform .22s ease;
  }
  .faq-item[open] summary .faq-icon{transform:rotate(45deg);}
  .faq-item[open] summary{color:var(--c-primary-deep);}
  .faq-body{padding:0 22px 22px;color:var(--c-sub);font-size:15px;line-height:1.85;}

  /* ---------- CTA 表单 ---------- */
  .cta-panel{
    background:linear-gradient(135deg,#F2F8FD 0%,#FFFFFF 72%);
    border:1px solid var(--c-line);border-radius:24px;padding:28px;box-shadow:var(--sh-1);
  }
  @media (min-width:768px){.cta-panel{padding:40px;}}
  @media (min-width:1024px){.cta-panel{padding:48px;}}
  .cta-grid{display:grid;gap:30px;}
  @media (min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:48px;align-items:start;}}
  .cta-points{margin-top:22px;display:grid;gap:12px;}
  .cta-points li{display:flex;gap:10px;font-size:15px;color:var(--c-sub);}
  .cta-points i{color:var(--c-jade);margin-top:5px;font-size:13px;}
  .cta-contact{
    margin-top:24px;padding:18px 20px;background:#fff;border:1px solid var(--c-line);
    border-radius:16px;font-size:14px;color:var(--c-sub);
  }
  .form-card{background:#fff;border:1px solid var(--c-line);border-radius:20px;padding:24px;box-shadow:var(--sh-1);}
  .form-field{margin-bottom:16px;}
  .form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
  .req{color:#D9483B;margin-left:2px;}
  .form-input{
    width:100%;height:46px;border:1px solid var(--c-line);border-radius:12px;padding:0 14px;
    background:#fff;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .form-input::placeholder{color:#A6B4C2;}
  .form-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,99,168,.14);}
  select.form-input{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%237A8A9C'%3E%3Cpath d='M8 11.2 3.2 6.4l1.1-1.1L8 9l3.7-3.7 1.1 1.1z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px;}
  .form-hint{font-size:12.5px;color:var(--c-mute);margin-top:10px;}
  .form-success{
    display:none;margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--c-jade-soft);
    color:var(--c-jade-deep);font-size:14px;font-weight:600;
  }
  .form-success.is-show{display:block;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#fff;border-top:1px solid var(--c-line);margin-top:0;}
  .footer-grid{display:grid;gap:30px;padding:52px 0 36px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}}
  .footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;}
  .footer-desc{margin-top:12px;font-size:14px;color:var(--c-sub);max-width:290px;}
  .footer-title{font-weight:700;font-size:15px;margin-bottom:14px;}
  .footer-link{display:block;font-size:14px;color:var(--c-sub);padding:5px 0;}
  .footer-link:hover{color:var(--c-primary);transform:translateX(2px);}
  .footer-contact{font-size:14px;color:var(--c-sub);line-height:1.9;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
    border-top:1px solid var(--c-line);padding:20px 0;font-size:13px;color:var(--c-mute);
  }
  .footer-bottom a{color:var(--c-mute);}
  .footer-bottom a:hover{color:var(--c-primary);}
  .mt-4{margin-top:16px;}