/* roulang page: index */
:root{
  --primary:#1C4E80;
  --primary-dark:#143A5F;
  --primary-light:#E8F1F8;
  --accent:#F0842B;
  --accent-ink:#2A1400;
  --text:#2E3A45;
  --muted:#6B7A88;
  --line:#E3E9EF;
  --bg:#F6F8FA;
  --white:#FFFFFF;
  --heading:#17324B;
  --r-card:12px;
  --r-btn:8px;
  --r-img:10px;
  --sh:0 6px 18px rgba(20,58,95,.06);
  --sh-hover:0 12px 28px rgba(20,58,95,.12);
  --maxw:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
h1,h2,h3,h4{font-weight:600;letter-spacing:0;color:var(--heading);line-height:1.35;}
ul{list-style:none;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.wrap{max-width:1320px;}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--primary-dark);color:var(--primary-light);font-size:13px;}
.topbar-inner{display:flex;align-items:center;height:36px;gap:16px;}
.topbar-domain{color:#9FBBD6;letter-spacing:.02em;}
.topbar-note{flex:1;text-align:center;color:#C7D6E4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-actions{display:flex;align-items:center;gap:18px;}
.topbar-link{color:#C7D6E4;font-size:13px;}
.topbar-link:hover{color:#fff;}
.topbar-link.is-primary{color:#F8C79A;}
.topbar-link.is-primary:hover{color:#fff;}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.is-scrolled{box-shadow:0 4px 14px rgba(20,58,95,.08);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:9px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:600;flex:0 0 38px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:600;color:var(--primary-dark);}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);}
.main-nav{display:flex;align-items:center;justify-content:center;flex:1;gap:4px;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;font-size:15px;color:var(--text);}
.nav-link:hover{color:var(--primary);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:2px 2px 0 0;background:var(--primary);}
.header-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary-dark);}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;white-space:nowrap;}
.btn-accent{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
.btn-accent:hover{background:#DC741F;border-color:#DC741F;color:var(--accent-ink);transform:translateY(-1px);}
.btn-accent:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{background:rgba(232,241,248,.12);color:#EAF2F9;border-color:rgba(232,241,248,.45);}
.btn-ghost:hover{background:rgba(232,241,248,.22);color:#fff;border-color:#E8F1F8;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-lg{height:50px;padding:0 26px;font-size:16px;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.link-more{font-size:14px;font-weight:500;border-bottom:1px solid rgba(28,78,128,.35);padding-bottom:2px;}
.link-more:hover{border-color:var(--primary-dark);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section--white{background:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-title{position:relative;font-size:30px;line-height:1.3;padding-top:18px;color:var(--heading);}
.section-title::before{content:"";position:absolute;top:0;left:0;width:40px;height:4px;border-radius:2px;background:var(--primary);}
.section-sub{margin-top:14px;color:var(--muted);font-size:16px;max-width:760px;}
.section-head--row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;max-width:none;flex-wrap:wrap;}
.eyebrow{display:inline-block;font-size:13px;font-weight:500;color:var(--primary);letter-spacing:.04em;}

/* ============ Hero ============ */
.hero{position:relative;background:var(--primary-dark);overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.hero-bg::after{content:"";position:absolute;inset:0;background:rgba(20,58,95,.62);}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:72px;min-height:480px;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(232,241,248,.14);border:1px solid rgba(232,241,248,.3);color:#D6E5F1;font-size:13px;}
.hero-tag i{color:var(--accent);}
.hero h1{margin:22px 0 18px;font-size:40px;line-height:1.25;color:#fff;max-width:640px;}
.hero-sub{font-size:17px;line-height:1.7;color:#C7D6E4;max-width:560px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.hero-points{display:grid;gap:10px;margin-top:30px;}
.hero-points li{position:relative;padding-left:22px;font-size:14px;color:#C7D6E4;}
.hero-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--accent);}
.hero-card{background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:0 18px 40px rgba(8,26,44,.3);}
.hero-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-card-body{padding:18px 22px 22px;}
.hero-card-body h3{margin-top:14px;font-size:19px;}
.hero-card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;font-size:13px;color:var(--muted);}

/* ============ 徽章 ============ */
.badge-soft{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:500;}
.badge-accent{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:#FFF1E3;color:#B25910;font-size:13px;font-weight:500;}
.badge-line{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px;}

/* ============ 权益对照表 ============ */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);overflow:hidden;}
.compare-scroll{overflow-x:auto;}
.compare-table{width:100%;border-collapse:collapse;min-width:820px;}
.compare-table thead th{padding:24px 22px 22px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);background:#fff;}
.compare-table thead th .th-name{display:block;font-size:17px;font-weight:600;color:var(--heading);}
.compare-table thead th .th-desc{display:block;margin-top:6px;font-size:13px;line-height:1.6;color:var(--muted);font-weight:400;}
.compare-table thead th.col-rec{background:#FFF8F1;box-shadow:inset 1px 0 0 #F2C79B,inset -1px 0 0 #F2C79B,inset 0 2px 0 var(--accent);}
.compare-table thead th.col-rec .th-name{color:#B25910;}
.compare-table tbody td{height:56px;padding:0 22px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line);}
.compare-table tbody tr:nth-child(even){background:#F6F8FA;}
.compare-table tbody td.cell-head{font-weight:600;color:var(--primary-dark);}
.compare-table tbody td.col-rec{background:#FFF8F1;box-shadow:inset 1px 0 0 #F2C79B,inset -1px 0 0 #F2C79B;}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table tbody td .tick{color:var(--primary);margin-right:6px;}
.rec-flag{display:inline-block;margin-left:8px;padding:1px 8px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-size:12px;font-weight:600;vertical-align:2px;}
.compare-foot{margin-top:18px;font-size:14px;color:var(--muted);}

/* ============ 等级阶梯 ============ */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.tier:hover{box-shadow:var(--sh-hover);transform:translateY(-1px);}
.tier-1{padding:28px 24px;}
.tier-2{padding:38px 24px;background:#FBFCFE;}
.tier-3{padding:48px 24px;background:var(--primary-light);border-color:#CFE0EF;}
.tier-num{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--primary-light);color:var(--primary);font-size:15px;font-weight:600;}
.tier-3 .tier-num{background:var(--accent);color:var(--accent-ink);}
.tier-name{margin-top:18px;font-size:21px;}
.tier-desc{margin-top:8px;font-size:14px;color:var(--muted);}
.tier-list{display:grid;gap:10px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line);}
.tier-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.6;color:var(--text);}
.tier-list li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--primary);}

/* ============ 专属内容预览 ============ */
.preview-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:32px;align-items:start;}
.preview-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);transition:box-shadow .2s ease,transform .2s ease;}
.preview-main:hover{box-shadow:var(--sh-hover);transform:translateY(-1px);}
.preview-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.preview-main-body{padding:22px 24px 26px;}
.preview-main-body h3{margin-top:14px;font-size:21px;}
.preview-main-body p{margin-top:10px;font-size:14px;color:var(--muted);}
.preview-list{display:grid;gap:12px;}
.preview-item{display:flex;align-items:flex-start;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-img);padding:16px 18px;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.preview-item:hover{border-color:#CFE0EF;box-shadow:var(--sh);transform:translateY(-1px);}
.preview-idx{flex:0 0 32px;width:32px;height:32px;border-radius:8px;background:var(--primary-light);color:var(--primary);display:grid;place-items:center;font-size:13px;font-weight:600;}
.preview-item h3{font-size:16px;line-height:1.5;}
.preview-item span{display:block;margin-top:6px;font-size:13px;color:var(--muted);}
.preview-note{margin-top:20px;padding:16px 18px;border-left:3px solid var(--primary);background:#F6F8FA;border-radius:0 var(--r-img) var(--r-img) 0;font-size:14px;color:var(--muted);}

/* ============ 内容卡片 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);transition:box-shadow .2s ease,transform .2s ease;}
.post-card:hover{box-shadow:var(--sh-hover);transform:translateY(-1px);}
.post-thumb{position:relative;background:var(--primary-light);}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.post-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1;}
.post-title{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.post-card:hover .post-title{color:var(--primary);}
.post-excerpt{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:12px;padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);text-align:center;}
.empty-state i{font-size:30px;color:var(--primary);opacity:.75;}
.empty-state p{font-size:15px;color:var(--muted);}

/* ============ 数据条 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh);transition:box-shadow .2s ease,transform .2s ease;}
.stat-card:hover{box-shadow:var(--sh-hover);transform:translateY(-1px);}
.stat-num{font-size:34px;font-weight:600;color:var(--primary);line-height:1.1;}
.stat-num small{font-size:15px;font-weight:500;color:var(--muted);margin-left:4px;}
.stat-label{margin-top:10px;font-size:15px;font-weight:600;color:var(--heading);}
.stat-card p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{display:flex;align-items:center;gap:16px;width:100%;padding:22px 0;background:none;border:none;text-align:left;font-size:17px;font-weight:500;color:var(--heading);cursor:pointer;transition:color .2s ease;}
.faq-q:hover{color:var(--primary);}
.faq-q[aria-expanded="true"]{color:var(--primary);}
.faq-icon{position:relative;flex:0 0 14px;width:14px;height:14px;margin-left:auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:1px;transition:opacity .2s ease,transform .2s ease;}
.faq-icon::before{left:0;top:6px;width:14px;height:2px;}
.faq-icon::after{left:6px;top:0;width:2px;height:14px;}
.faq-q[aria-expanded="true"] .faq-icon::after{opacity:0;transform:rotate(90deg);}
.faq-a{padding:0 0 24px 16px;font-size:15px;line-height:1.75;color:var(--muted);max-width:760px;}

/* ============ CTA + 表单 ============ */
.cta-panel{background:var(--primary-dark);border-radius:16px;padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;color:#fff;box-shadow:0 18px 40px rgba(20,58,95,.18);}
.cta-panel h2{font-size:30px;color:#fff;line-height:1.3;}
.cta-panel p{margin-top:14px;font-size:15px;line-height:1.75;color:#C7D6E4;max-width:440px;}
.cta-list{display:grid;gap:10px;margin-top:24px;}
.cta-list li{position:relative;padding-left:20px;font-size:14px;color:#C7D6E4;}
.cta-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--accent);}
.form-card{display:grid;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:14px;color:#C7D6E4;}
.field input,.field select,.field textarea{width:100%;border-radius:var(--r-btn);border:1px solid rgba(227,233,239,.3);background:rgba(255,255,255,.08);color:#fff;font-size:15px;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.field input,.field select{height:46px;padding:0 14px;}
.field textarea{min-height:92px;padding:12px 14px;resize:vertical;line-height:1.6;}
.field input::placeholder,.field textarea::placeholder{color:#93AFC7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#7FB0DA;background:rgba(255,255,255,.14);box-shadow:0 0 0 3px rgba(127,176,218,.28);}
.field select option{color:#2E3A45;background:#fff;}
.form-tip{font-size:13px;color:#9FBBD6;}

/* ============ 页脚 ============ */
.site-footer{background:var(--primary-dark);color:#C7D6E4;padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:#9FBBD6;}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.75;color:#9FBBD6;max-width:320px;}
.footer-contact{margin-top:18px;font-size:14px;color:#C7D6E4;}
.footer-contact span{display:block;color:#9FBBD6;font-size:13px;margin-top:4px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:#C7D6E4;}
.footer-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:#9FBBD6;}

/* ============ 移动端导航 ============ */
.offcanvas.mnav{width:min(320px,86vw);background:#fff;}
.mnav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.mnav .offcanvas-title{font-size:16px;font-weight:600;color:var(--primary-dark);}
.mnav .offcanvas-body{padding:10px 20px 28px;}
.m-nav-link{display:block;padding:14px 0;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);}
.m-nav-link:hover{color:var(--primary);}
.m-nav-link.is-active{color:var(--primary);font-weight:600;}
.mnav .btn{margin-top:20px;width:100%;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .hero h1{font-size:36px;}
}
@media (max-width:991px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{justify-content:space-between;}
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-top:56px;padding-bottom:56px;}
  .hero h1{font-size:32px;max-width:none;}
  .hero-sub{max-width:none;}
  .preview-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .tiers{grid-template-columns:1fr;gap:18px;}
  .tier-1,.tier-2,.tier-3{padding:26px 22px;}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .topbar-note{display:none;}
  .topbar-actions .topbar-link:not(.is-primary){display:none;}
  .wrap{padding:0 16px;}
  .brand-text em{display:none;}
  .section{padding:56px 0;}
  .section-title{font-size:24px;}
  .hero h1{font-size:28px;}
  .hero-actions .btn{flex:1 1 auto;}
  .cta-panel{padding:28px 22px;border-radius:14px;}
  .cta-panel h2{font-size:24px;}
  .compare-table{min-width:0;}
  .compare-table thead{display:none;}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%;}
  .compare-table tbody tr{padding:16px;border-bottom:1px solid var(--line);}
  .compare-table tbody tr:last-child{border-bottom:none;}
  .compare-table tbody td{height:auto;padding:8px 0;border-bottom:none;display:flex;justify-content:space-between;align-items:baseline;gap:14px;font-size:14px;}
  .compare-table tbody td::before{content:attr(data-label);flex:0 0 auto;color:var(--muted);font-size:13px;}
  .compare-table tbody td.cell-head{display:block;padding-bottom:10px;margin-bottom:6px;border-bottom:1px dashed var(--line);font-size:16px;}
  .compare-table tbody td.cell-head::before{display:none;}
  .compare-table tbody td.col-rec{box-shadow:none;background:transparent;padding-left:10px;border-left:2px solid var(--accent);}
}
@media (max-width:575px){
  .post-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-points{margin-top:24px;}
  .stat-num{font-size:30px;}
}

/* roulang page: article */
:root{
  --c-primary:#1C4E80;
  --c-primary-dark:#143A5F;
  --c-primary-light:#E8F1F8;
  --c-accent:#F0842B;
  --c-accent-dark:#D96F16;
  --c-text:#2E3A45;
  --c-muted:#6B7A88;
  --c-line:#E3E9EF;
  --c-bg:#F6F8FA;
  --c-card:#FFFFFF;
  --r-card:12px;
  --r-btn:8px;
  --r-img:10px;
  --sh-card:0 6px 18px rgba(20,58,95,.06);
  --sh-card-hover:0 12px 28px rgba(20,58,95,.12);
  --sh-nav:0 4px 14px rgba(20,58,95,.08);
  --wrap:1200px;
  --t:200ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:0;color:var(--c-text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){ .wrap{max-width:1320px;} }

/* 顶部信息条 */
.topbar{
  height:36px;
  background:var(--c-primary-dark);
  color:var(--c-primary-light);
  font-size:13px;
  line-height:36px;
}
.topbar .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar .tb-domain{color:#C7D6E4;letter-spacing:.4px;}
.topbar .tb-note{color:#E8F1F8;opacity:.86;}
.topbar .tb-links{display:flex;gap:18px;}
.topbar .tb-links a{color:#E8F1F8;}
.topbar .tb-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
@media (max-width:767px){
  .topbar .tb-note{display:none;}
}

/* 主导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand-mark{
  width:40px;height:40px;
  border-radius:10px;
  background:linear-gradient(160deg,var(--c-primary) 0%,var(--c-primary-dark) 100%);
  color:#fff;
  font-size:20px;
  font-weight:600;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:18px;font-weight:600;color:var(--c-text);}
.brand-text em{font-size:12px;font-style:normal;color:var(--c-muted);letter-spacing:.5px;}
.brand:hover .brand-text strong{color:var(--c-primary);}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:12px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  padding:8px 14px;
  font-size:15px;
  color:var(--c-text);
  border-radius:6px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-light);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:-1px;
  height:3px;
  border-radius:2px;
  background:var(--c-primary);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--c-primary);
  font-size:20px;
  line-height:1;
}
.progress-rail{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:transparent;
}
.progress-rail span{
  display:block;
  height:100%;
  width:0;
  background:var(--c-accent);
  transition:width 120ms linear;
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-actions .btn-secondary-outline{display:none;}
}
@media (max-width:575px){
  .header-inner{height:64px;gap:12px;}
  .brand-text em{display:none;}
  .nav-actions .btn-primary-solid{padding:9px 14px;font-size:14px;}
}

/* 按钮体系 */
.btn-primary-solid,
.btn-secondary-outline,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary-solid{background:var(--c-accent);color:#3A2103;}
.btn-primary-solid:hover{background:var(--c-accent-dark);color:#2A1702;transform:translateY(-1px);}
.btn-primary-solid:active{transform:translateY(1px);}
.btn-secondary-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-secondary-outline:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-secondary-outline:active{transform:translateY(1px);}
.btn-ghost{
  height:auto;padding:0;background:none;border:none;
  color:var(--c-primary);
  text-decoration:underline;
  text-underline-offset:4px;
  font-weight:500;
}
.btn-ghost:hover{color:var(--c-primary-dark);}

/* 页头/面包屑 */
.article-hero{
  position:relative;
  background-image:linear-gradient(rgba(20,58,95,.62),rgba(20,58,95,.62)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  padding:44px 0 40px;
  color:#fff;
}
.crumbs{
  font-size:14px;
  color:#C7D6E4;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.crumbs a{color:#C7D6E4;}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.55;}
.crumbs .current{color:#fff;font-weight:500;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.badge-cat{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--c-primary-light);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
}
.article-hero .badge-cat{margin-bottom:14px;}
.article-hero h1{
  font-size:34px;
  line-height:1.3;
  color:#fff;
  max-width:820px;
}
.article-hero .meta-line{
  margin-top:16px;
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  font-size:14px;
  color:#D7E4F0;
}
.article-hero .meta-line span{display:inline-flex;align-items:center;gap:6px;}
@media (max-width:767px){
  .article-hero{padding:32px 0 30px;}
  .article-hero h1{font-size:24px;}
}

/* 布局 */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  padding:56px 0 0;
  align-items:start;
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:32px;}
}
@media (max-width:991px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
}

.article-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:40px;
}
@media (max-width:767px){
  .article-card{padding:22px;border-radius:12px;}
}
.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  overflow-wrap:break-word;
}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-size:24px;
  line-height:1.4;
  margin:40px 0 16px;
  padding-left:14px;
  position:relative;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:4px;
  border-radius:2px;
  background:var(--c-primary);
}
.article-body h3{font-size:19px;line-height:1.4;margin:28px 0 12px;color:var(--c-primary-dark);}
.article-body ul,
.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:6px 0;line-height:1.8;}
.article-body blockquote{
  margin:22px 0;
  padding:16px 20px;
  border-left:3px solid var(--c-primary);
  background:var(--c-bg);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-muted);
}
.article-body img{border-radius:var(--r-img);margin:8px 0;}
.article-body figure{margin:22px 0;}
.article-body figcaption,
.article-body .caption{
  font-size:13px;
  color:var(--c-muted);
  text-align:center;
  margin-top:8px;
}
.article-body table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  margin:20px 0;
  font-size:14px;
}
.article-body th,
.article-body td{
  border:1px solid var(--c-line);
  padding:10px 14px;
  text-align:left;
  white-space:nowrap;
}
.article-body th{background:var(--c-primary-light);color:var(--c-primary-dark);font-weight:600;}
.article-body code{
  background:var(--c-primary-light);
  color:var(--c-primary-dark);
  padding:2px 6px;
  border-radius:4px;
  font-size:14px;
}
.article-body a{border-bottom:1px solid rgba(28,78,128,.35);}
.article-body a:hover{border-bottom-color:var(--c-primary);}

.empty-state{
  text-align:center;
  padding:56px 20px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-bg);
}
.empty-state .bi{font-size:34px;color:var(--c-primary);}
.empty-state h3{font-size:19px;margin:14px 0 8px;}
.empty-state p{color:var(--c-muted);font-size:14px;margin-bottom:16px;}

.article-foot{
  margin-top:36px;
  padding-top:24px;
  border-top:1px solid var(--c-line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  color:var(--c-primary);
}
.back-link:hover{color:var(--c-primary-dark);}
@media (max-width:575px){
  .article-foot{flex-direction:column;align-items:flex-start;}
  .article-foot .btn-primary-solid{width:100%;}
}

/* 侧栏 */
.article-side{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:22px;
}
.side-card h3{
  font-size:16px;
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--c-line);
}
.side-list li + li{border-top:1px solid var(--c-line);}
.side-list a{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:11px 0;
  font-size:14px;
  color:var(--c-text);
  line-height:1.6;
}
.side-list a:hover{color:var(--c-primary);}
.side-list .idx{
  flex:0 0 auto;
  width:20px;height:20px;
  border-radius:6px;
  background:var(--c-primary-light);
  color:var(--c-primary);
  font-size:12px;
  font-weight:600;
  display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.side-cta{
  background:var(--c-primary-dark);
  border-color:var(--c-primary-dark);
  color:#fff;
}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.18);}
.side-cta p{font-size:13px;color:#C7D6E4;margin-bottom:16px;}
.side-cta .btn-secondary-outline{
  width:100%;
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.55);
}
.side-cta .btn-secondary-outline:hover{background:rgba(255,255,255,.12);color:#fff;}
.side-cta .btn-primary-solid{width:100%;margin-top:10px;}
@media (max-width:991px){
  .article-side{position:static;top:auto;}
}

/* 通用板块 */
.section{padding:56px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}
.section-head h2{
  font-size:26px;
  position:relative;
  padding-left:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--c-primary);
}
.section-head p{font-size:14px;color:var(--c-muted);margin-top:6px;}

.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
@media (max-width:991px){ .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (max-width:575px){ .card-grid{grid-template-columns:minmax(0,1fr);} }

.post-card{
  display:flex;
  flex-direction:column;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t);
}
.post-card:hover{transform:translateY(-1px);box-shadow:var(--sh-card-hover);}
.post-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:var(--c-primary-light);
  overflow:hidden;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.post-body h3{font-size:17px;line-height:1.5;}
.post-card:hover h3{color:var(--c-primary);}
.post-body .excerpt{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-meta{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-muted);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.tag-lv{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--c-primary-light);
  color:var(--c-primary);
}
.tag-lv.lv-mid{background:#DCE7F2;color:var(--c-primary-dark);}
.tag-lv.lv-top{background:#fff;color:var(--c-primary-dark);border:1px solid var(--c-accent);}

/* CTA 条 */
.cta-band{
  margin-top:64px;
  background:var(--c-primary-dark);
  border-radius:16px;
  padding:44px 48px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
}
.cta-band h2{color:#fff;font-size:26px;line-height:1.4;}
.cta-band p{color:#C7D6E4;font-size:14px;margin-top:10px;max-width:640px;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-secondary-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn-secondary-outline:hover{background:rgba(255,255,255,.12);color:#fff;}
@media (max-width:767px){
  .cta-band{grid-template-columns:minmax(0,1fr);padding:28px 22px;margin-top:44px;}
  .cta-band .cta-actions .btn-primary-solid,
  .cta-band .cta-actions .btn-secondary-outline{width:100%;}
}

/* 页脚 */
.site-footer{
  margin-top:72px;
  background:var(--c-primary-dark);
  color:#C7D6E4;
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
}
@media (max-width:991px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;} }
@media (max-width:575px){ .footer-grid{grid-template-columns:minmax(0,1fr);} }
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:#9FB6CC;}
.footer-desc{font-size:14px;line-height:1.8;color:#C7D6E4;max-width:400px;}
.footer-contact{
  margin-top:16px;
  font-size:13px;
  color:#9FB6CC;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.footer-contact span{color:#E8F1F8;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col a{
  display:block;
  font-size:14px;
  color:#C7D6E4;
  padding:6px 0;
}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 22px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:#9FB6CC;
}
@media (max-width:575px){
  .footer-bottom{flex-direction:column;}
}

/* offcanvas 移动导航 */
.offcanvas{background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--c-line);}
.offcanvas-title{font-size:17px;font-weight:600;color:var(--c-primary-dark);}
.mobile-nav{display:flex;flex-direction:column;gap:6px;padding:8px 0 20px;}
.mobile-nav a{
  padding:12px 14px;
  border-radius:var(--r-btn);
  font-size:15px;
  color:var(--c-text);
  background:var(--c-bg);
}
.mobile-nav a.is-active{background:var(--c-primary-light);color:var(--c-primary);font-weight:600;}
.mobile-nav .btn-primary-solid{width:100%;margin-top:10px;}
.mobile-nav .btn-secondary-outline{width:100%;margin-top:8px;}

/* roulang page: category1 */
:root{
  --brand:#1C4E80;
  --brand-dark:#143A5F;
  --brand-light:#E8F1F8;
  --accent:#F0842B;
  --accent-ink:#12293E;
  --ink:#2E3A45;
  --muted:#6B7A88;
  --line:#E3E9EF;
  --bg:#F6F8FA;
  --card:#FFFFFF;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-img:10px;
  --shadow-card:0 6px 18px rgba(20,58,95,.06);
  --shadow-hover:0 12px 28px rgba(20,58,95,.12);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:0;color:var(--brand-dark);}
h1{font-size:40px;line-height:1.25;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:21px;line-height:1.4;}
p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1320px;}}

/* 顶部信息条 */
.topbar{background:var(--brand-dark);color:var(--brand-light);font-size:13px;height:36px;}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-mid{color:#A9C4DB;}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar-right a{color:var(--brand-light);}
.topbar-right a:hover{color:#fff;}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.is-scrolled{box-shadow:0 4px 14px rgba(20,58,95,.08);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:40px;height:40px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:600;line-height:1;}
.brand-text strong{display:block;font-size:17px;font-weight:600;line-height:1.25;color:var(--brand-dark);}
.brand-text em{display:block;font-size:12px;font-style:normal;color:var(--muted);letter-spacing:.02em;line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:72px;padding:0 15px;font-size:15px;color:var(--ink);}
.nav-link:hover{color:var(--brand);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:15px;right:15px;bottom:0;height:3px;background:var(--brand);border-radius:3px 3px 0 0;}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:42px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;white-space:nowrap;}
.btn-brand{background:var(--accent);color:var(--accent-ink);}
.btn-brand:hover{background:#DD7418;color:var(--accent-ink);transform:translateY(-1px);}
.btn-brand:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);}
.btn-ghost{background:transparent;color:var(--brand);border-color:transparent;padding:0 12px;}
.btn-ghost:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;align-items:center;justify-content:center;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-cta-mobile{display:none;}

/* 分类头部 */
.page-hero{position:relative;min-height:260px;display:flex;align-items:center;padding:56px 0 104px;background-image:linear-gradient(90deg,rgba(20,58,95,.72) 0%,rgba(20,58,95,.46) 60%,rgba(20,58,95,.40) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#fff;}
.page-hero h1{color:#fff;margin:10px 0 14px;}
.page-hero .lead{max-width:760px;font-size:16px;line-height:1.75;color:#DCE9F4;}
.breadcrumb-nav{font-size:14px;color:#B7CDE2;}
.breadcrumb-nav a{color:#B7CDE2;}
.breadcrumb-nav a:hover{color:#fff;}
.breadcrumb-nav .sep{margin:0 8px;color:#8FAAC4;}
.breadcrumb-nav .current{color:#fff;}

/* 数据概览条 */
.overview-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-card);margin-top:-64px;position:relative;z-index:5;overflow:hidden;}
.stat{padding:24px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat-num{font-size:28px;font-weight:600;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-num small{font-size:14px;font-weight:400;color:var(--muted);margin-left:4px;}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px;}

/* 板块 */
.section{padding:88px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:.92em;border-radius:2px;background:var(--brand);}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px;}

/* 内容布局：锚点筛选 + 卡片 */
.content-layout{display:grid;grid-template-columns:236px 1fr;gap:32px;align-items:start;}
.filter-rail{position:sticky;top:96px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:20px;}
.filter-group+.filter-group{margin-top:20px;padding-top:20px;border-top:1px solid var(--line);}
.filter-title{font-size:14px;font-weight:600;color:var(--brand-dark);margin-bottom:10px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{display:inline-flex;align-items:center;height:32px;padding:0 12px;border-radius:999px;background:var(--brand-light);color:var(--brand);font-size:13px;transition:background-color .2s ease,color .2s ease;}
.chip:hover{background:#D6E6F3;color:var(--brand-dark);}
.chip.is-active{background:var(--brand);color:#fff;}

.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card-item{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;transition:box-shadow .2s ease,transform .2s ease;}
.card-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px);}
.card-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--brand-light);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card-item:hover .card-thumb img{transform:scale(1.03);}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1;}
.badge-cat{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:600;align-self:flex-start;}
.card-title{font-size:20px;line-height:1.4;}
.card-title a{color:var(--brand-dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-title a:hover{color:var(--brand);}
.card-desc{font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:#B9C6D2;}

/* 看点网格 */
.spot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.spot-card{position:relative;display:block;aspect-ratio:3/4;border-radius:var(--radius-card);overflow:hidden;background:var(--brand-light);box-shadow:var(--shadow-card);transition:box-shadow .2s ease,transform .2s ease;}
.spot-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px);}
.spot-card img{width:100%;height:100%;object-fit:cover;}
.spot-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,58,95,0) 42%,rgba(20,58,95,.84) 100%);}
.spot-tag{position:absolute;top:14px;left:14px;z-index:2;display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-size:12px;font-weight:600;}
.spot-info{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;color:#fff;}
.spot-info h3{color:#fff;font-size:18px;line-height:1.4;}
.spot-info p{font-size:13px;color:#CBDBE9;margin-top:6px;}

/* 更新日历 */
.timeline{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:8px 24px;}
.timeline-item{display:grid;grid-template-columns:104px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line);}
.timeline-item:last-child{border-bottom:0;}
.timeline-time{color:var(--brand);font-weight:600;font-variant-numeric:tabular-nums;font-size:15px;}
.timeline-body h3{font-size:17px;line-height:1.5;}
.timeline-body p{font-size:14px;color:var(--muted);margin-top:4px;}

/* FAQ */
.faq-list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;}
.faq-list .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq-list .accordion-item:last-child{border-bottom:0;}
.faq-list .accordion-button{background:transparent;color:var(--brand-dark);font-size:17px;font-weight:600;padding:22px 24px;box-shadow:none;line-height:1.5;}
.faq-list .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-list .accordion-button:not(.collapsed){color:var(--brand);background:transparent;}
.faq-list .accordion-button::after{background-image:none!important;content:"+";font-size:20px;font-weight:400;color:var(--brand);width:24px;height:24px;display:grid;place-items:center;transform:none!important;flex-shrink:0;margin-left:16px;}
.faq-list .accordion-button:not(.collapsed)::after{content:"−";}
.faq-list .accordion-body{padding:0 24px 24px 40px;font-size:15px;line-height:1.8;color:var(--muted);}

/* CTA 条 */
.cta-band{background:var(--brand-dark);border-radius:16px;padding:48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;color:#fff;margin-top:88px;}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{color:#C7D6E4;font-size:15px;margin-top:10px;}
.cta-band .btn-brand{height:46px;padding:0 26px;}

/* 页脚 */
.site-footer{background:var(--brand-dark);color:#C7D6E4;margin-top:88px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:#9FB4C7;}
.footer-desc{font-size:14px;line-height:1.8;margin-top:18px;color:#AFC4D6;max-width:340px;}
.footer-contact{font-size:14px;margin-top:14px;color:#AFC4D6;}
.footer-contact span{display:block;color:#8AA3B8;font-size:13px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:#C7D6E4;padding:6px 0;}
.footer-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:48px;padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#9FB4C7;}

/* 响应式 */
@media (max-width:1199px){
  .spot-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  h1{font-size:32px;}
  h2{font-size:26px;}
  .main-nav{position:absolute;top:72px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-hover);padding:8px 16px 20px;margin-left:0;}
  .site-header.is-open .main-nav{display:flex;}
  .nav-link{height:50px;padding:0 6px;}
  .nav-link.is-active::after{left:6px;right:auto;width:26px;bottom:8px;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-outline{display:none;}
  .nav-cta-mobile{display:inline-flex;margin-top:12px;width:100%;}
  .content-layout{grid-template-columns:1fr;}
  .filter-rail{position:static;display:flex;gap:20px;overflow-x:auto;padding:16px;scrollbar-width:thin;}
  .filter-group{min-width:max-content;}
  .filter-group+.filter-group{margin-top:0;padding-top:0;border-top:0;padding-left:20px;border-left:1px solid var(--line);}
  .chips{flex-wrap:nowrap;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .overview-strip{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .section{padding:56px 0 0;}
  h1{font-size:28px;}
  h2{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .spot-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .timeline-item{grid-template-columns:1fr;gap:6px;}
  .timeline{padding:8px 18px;}
  .cta-band{margin-top:56px;padding:28px;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .topbar-mid{display:none;}
  .page-hero{padding:40px 0 88px;}
  .faq-list .accordion-button{font-size:16px;padding:18px 18px;}
  .faq-list .accordion-body{padding:0 18px 20px 30px;}
  .cta-band h2{font-size:22px;}
}
@media (max-width:575px){
  .brand-text em{display:none;}
  .spot-grid{grid-template-columns:1fr;}
  .overview-strip{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:0;}
  .header-actions .btn-brand{display:none;}
  .content-layout{gap:20px;}
}

/* roulang page: category2 */
:root{
  --primary:#1C4E80;
  --primary-dark:#143A5F;
  --primary-light:#E8F1F8;
  --accent:#F0842B;
  --accent-dark:#DE7520;
  --ink:#2E3A45;
  --muted:#6B7A88;
  --line:#E3E9EF;
  --bg:#F6F8FA;
  --white:#FFFFFF;
  --r-card:12px;
  --r-btn:8px;
  --r-img:10px;
  --r-pill:999px;
  --sh-sm:0 6px 18px rgba(20,58,95,.06);
  --sh-md:0 12px 28px rgba(20,58,95,.12);
  --container:1200px;
  --section-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:0;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
button{font-family:inherit}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1320px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--primary-dark);color:var(--primary-light);font-size:13px;height:36px;display:flex;align-items:center}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{color:#A9C2D8}
.topbar-links{display:flex;align-items:center;gap:18px}
.topbar-links a{color:var(--primary-light);font-size:13px}
.topbar-links a:hover{color:#fff}
@media (max-width:767.98px){.topbar-note{display:none}}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--white);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 4px 14px rgba(20,58,95,.08)}
.header-inner{display:flex;align-items:center;min-height:72px;gap:16px;position:relative}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:600;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:36px}
.nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;color:var(--ink);font-weight:500;border-radius:8px}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:2px;background:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--primary);font-size:18px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle:hover{background:var(--primary-light)}
.nav-mobile-cta{display:none}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;white-space:nowrap}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-accent{background:var(--accent);color:#2A1A08}
.btn-accent:hover{background:var(--accent-dark);color:#2A1A08;transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--primary-dark)}
.btn-light:hover{background:#E8F1F8;color:var(--primary-dark);transform:translateY(-1px)}
.text-link{font-size:15px;font-weight:600;color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.text-link i{margin-left:6px;font-size:12px;transition:transform .2s ease}
.text-link:hover i{transform:translateX(3px)}

/* ---------- 内页头图 ---------- */
.page-hero{position:relative;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;min-height:260px;display:flex;align-items:center;padding:56px 0}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(20,58,95,.62)}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{color:#fff;font-size:34px;line-height:1.25;max-width:820px}
.page-hero .hero-lead{color:#D7E5F1;font-size:16px;margin-top:14px;max-width:660px}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--white);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:16px 0;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#B6C3CE}
.crumb .current{color:var(--primary);font-weight:600}

/* ---------- 通用区块 ---------- */
.section{padding:var(--section-y) 0}
.section.is-light{background:var(--white)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:16px}
.section-head h2{font-size:30px;line-height:1.3;color:var(--ink)}
.section-head .sub{margin-top:14px;color:var(--muted);font-size:16px}
.rule-title{position:relative;padding-top:18px}
.rule-title::before{content:"";position:absolute;top:0;left:0;width:40px;height:4px;border-radius:2px;background:var(--primary)}

/* ---------- 数据条 ---------- */
.stat-strip{background:var(--white);border-bottom:1px solid var(--line);padding:36px 0}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease}
.stat-item:hover{transform:translateY(-1px);box-shadow:var(--sh-md)}
.stat-num{display:block;font-size:30px;font-weight:600;color:var(--primary);line-height:1.2}
.stat-label{display:block;font-size:15px;font-weight:600;margin-top:6px}
.stat-item p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ---------- 图文交错 ---------- */
.tier-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.tier-row + .tier-row{margin-top:80px}
.tier-row.is-reverse .tier-media{order:2}
.tier-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-sm)}
.badge-tier{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:var(--r-pill);padding:5px 14px}
.badge-tier.is-accent{color:#8A4A0C;background:#FDEEE0;border:1px solid #F5C79A}
.badge-tier.is-deep{color:#0F2C48;background:#E1EAF3;border:1px solid #B9CFE3}
.tier-body h2{font-size:26px;margin-top:18px;line-height:1.35}
.tier-body > p{margin-top:14px;color:var(--muted);font-size:16px}
.check-list{margin-top:20px}
.check-list li{position:relative;display:flex;gap:10px;font-size:15px;padding:7px 0}
.check-list li i{color:var(--accent);font-size:14px;margin-top:5px}
.tier-body .text-link{display:inline-block;margin-top:22px}

/* ---------- 权益速览 ---------- */
.summary-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-sm);padding:36px}
.summary-card > h2{font-size:24px}
.summary-card > .sub{color:var(--muted);font-size:15px;margin-top:12px;max-width:820px}
.tier-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}
.tier-mini{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;position:relative;transition:transform .2s ease,box-shadow .2s ease}
.tier-mini:hover{transform:translateY(-1px);box-shadow:var(--sh-md)}
.tier-mini h3{font-size:19px}
.tier-mini .mini-tag{font-size:13px;color:var(--muted);display:block;margin-top:4px}
.tier-mini ul{margin-top:16px}
.tier-mini li{font-size:14px;color:var(--ink);padding:7px 0;border-bottom:1px dashed var(--line);line-height:1.7}
.tier-mini li:last-child{border-bottom:0}
.tier-mini.is-featured{background:var(--white);border:1px solid var(--accent);box-shadow:0 10px 24px rgba(240,132,43,.14)}
.rec-flag{position:absolute;top:-13px;right:20px;background:var(--accent);color:#2A1A08;font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:3px 12px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-1px);box-shadow:var(--sh-md)}
.step-num{font-size:14px;font-weight:600;color:var(--accent);letter-spacing:1px}
.step h3{font-size:18px;margin-top:10px}
.step p{font-size:14px;color:var(--muted);margin-top:10px}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease}
.scene-card:hover{transform:translateY(-1px);box-shadow:var(--sh-md)}
.scene-icon{width:44px;height:44px;border-radius:10px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px}
.scene-card h3{font-size:18px;margin-top:18px}
.scene-card p{font-size:14px;color:var(--muted);margin-top:10px}
.scene-card .fit{display:inline-block;margin-top:16px;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:var(--r-pill);padding:4px 12px}

/* ---------- FAQ ---------- */
.faq-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-sm);padding:6px 32px}
.faq-panel .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:0}
.faq-panel .accordion-item:last-child{border-bottom:0}
.faq-panel .accordion-header{margin:0}
.faq-panel .accordion-button{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 0;background:transparent;border:0;box-shadow:none;font-size:17px;font-weight:600;color:var(--ink);text-align:left;line-height:1.5}
.faq-panel .accordion-button::after{display:none}
.faq-panel .accordion-button::before{content:"+";order:2;font-size:20px;font-weight:600;color:var(--primary);line-height:1;flex:0 0 auto}
.faq-panel .accordion-button:not(.collapsed){color:var(--primary)}
.faq-panel .accordion-button:not(.collapsed)::before{content:"−"}
.faq-panel .accordion-button:focus{box-shadow:none;outline:2px solid rgba(28,78,128,.35);outline-offset:2px;border-radius:6px}
.faq-panel .accordion-body{padding:0 0 22px 16px;font-size:15px;color:var(--muted);line-height:1.8}
.faq-panel h3{font-size:17px}

/* ---------- CTA + 表单 ---------- */
.cta-band{background:var(--primary-dark);border-radius:16px;padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:48px;color:#fff;box-shadow:var(--sh-md)}
.cta-band h2{font-size:28px;color:#fff;line-height:1.35}
.cta-band .cta-sub{color:#C7D6E4;font-size:15px;margin-top:16px;line-height:1.8}
.cta-points{margin-top:24px}
.cta-points li{display:flex;gap:10px;font-size:14px;color:#D7E5F1;padding:6px 0}
.cta-points li i{color:var(--accent);font-size:13px;margin-top:6px}
.join-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:26px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:14px;color:#C7D6E4;margin-bottom:8px}
.form-field input,.form-field select,.form-field textarea{width:100%;height:46px;border-radius:var(--r-btn);border:1px solid transparent;background:#fff;color:var(--ink);font-size:15px;padding:0 14px;transition:border-color .2s ease,box-shadow .2s ease}
.form-field textarea{height:auto;min-height:90px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(240,132,43,.3)}
.form-field input::placeholder,.form-field textarea::placeholder{color:#9AA9B6}
.join-form .btn{width:100%}
.form-note{font-size:13px;color:#A9C2D8;margin-top:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:#C7D6E4;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:#9FB6CB}
.site-footer .brand-mark{background:var(--accent);color:#2A1A08}
.footer-desc{font-size:14px;line-height:1.75;margin-top:18px;max-width:330px;color:#C7D6E4}
.footer-contact{font-size:14px;margin-top:18px;color:#fff}
.footer-contact span{display:block;font-size:13px;color:#9FB6CB;margin-top:4px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:#C7D6E4;padding:6px 0}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#9FB6CB}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .tier-row{gap:40px}
}
@media (max-width:991.98px){
  :root{--section-y:64px}
  .nav-toggle{display:inline-flex}
  .main-nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:12px 16px 20px;background:#fff;border-top:1px solid var(--line);box-shadow:0 12px 26px rgba(20,58,95,.12);display:none}
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 12px;border-radius:8px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{background:var(--primary-light)}
  .nav-mobile-cta{display:inline-flex;width:100%;margin-top:12px}
  .header-inner{justify-content:space-between}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-outline{display:none}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;gap:32px}
  .faq-panel{padding:6px 22px}
  .summary-card{padding:28px}
  .tier-mini-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767.98px){
  .stat-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .page-hero h1{font-size:27px}
  .section-head h2{font-size:24px}
  .tier-body h2{font-size:22px}
  .cta-band h2{font-size:23px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .page-hero{min-height:220px;padding:44px 0}
  .page-hero h1{font-size:24px}
  .section{padding:56px 0}
  .steps{grid-template-columns:1fr}
  .tier-row{gap:24px}
  .feature-media,.tier-media{order:0 !important}
  .cta-band{padding:28px 20px}
  .footer-grid{grid-template-columns:1fr}
  .brand-text em{display:none}
}