/* roulang page: index */
:root{
  --brand:#1A6BC4;
  --brand-deep:#0F4C8A;
  --accent:#FF7A45;
  --accent-deep:#E75F2B;
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --line:#E3EAF2;
  --text:#1F2A37;
  --text-2:#5B6B7C;
  --text-3:#8A97A6;
  --success:#17A673;
  --warn:#E8A33D;
  --danger:#D9534F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --shadow-1:0 1px 3px rgba(16,42,67,.06);
  --shadow-2:0 12px 28px rgba(16,42,67,.10);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--surface);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg);}
.section-head{margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;color:var(--text);}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-2);max-width:720px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.link-arrow{color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.link-arrow span{transition:transform .22s ease;display:inline-block;}
.link-arrow:hover{color:var(--brand-deep);text-decoration:none;}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- 顶栏 ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--line);}
.topbar-inner{display:flex;align-items:center;gap:16px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{width:38px;height:38px;border-radius:11px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;letter-spacing:.5px;box-shadow:0 6px 14px rgba(26,107,196,.24);}
.logo-text{font-size:19px;font-weight:700;color:var(--text);line-height:1.2;}
.logo-text small{display:block;font-size:12px;font-weight:400;color:var(--text-3);margin-top:2px;letter-spacing:.4px;}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:18px;}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--text-2);transition:all .2s ease;}
.icon-btn:hover{border-color:rgba(26,107,196,.35);color:var(--brand);background:rgba(26,107,196,.05);}
.topbar-link{font-size:14px;color:var(--text-2);}
.topbar-link:hover{color:var(--brand);text-decoration:none;}
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:all .22s ease;white-space:nowrap;text-decoration:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-deep);color:#fff;text-decoration:none;box-shadow:0 10px 22px rgba(255,122,69,.28);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:rgba(26,107,196,.06);color:var(--brand-deep);text-decoration:none;}
.btn-ghost:active{transform:translateY(1px);filter:brightness(.96);}
.btn-block{width:100%;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;}

/* ---------- 频道行 ---------- */
.channel{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;}
.channel-inner{display:flex;align-items:stretch;gap:4px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel a{position:relative;display:flex;align-items:center;height:52px;padding:0 16px;font-size:15px;color:var(--text-2);white-space:nowrap;border-radius:8px 8px 0 0;}
.channel a:hover{background:rgba(26,107,196,.08);color:var(--brand);text-decoration:none;}
.channel a.active{color:var(--brand);font-weight:700;}
.channel a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--brand);}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;background:#fff;z-index:200;display:none;flex-direction:column;padding:20px 20px 0;}
.drawer.show{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:20px;color:var(--text-2);}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:52px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);}
.drawer-nav a:hover{color:var(--brand);text-decoration:none;}
.drawer-nav a::after{content:"›";color:var(--text-3);font-size:20px;}
.drawer-foot{margin-top:auto;padding:16px 0 24px;}
body.locked{overflow:hidden;}

/* ---------- Hero ---------- */
.hero{background:var(--bg);padding:72px 0 84px;border-bottom:1px solid var(--line);}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:52px;align-items:center;}
.badge{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;line-height:1;}
.badge-accent{background:rgba(255,122,69,.12);color:#D8562A;}
.hero h1{margin-top:22px;font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.4px;}
.hero h1 .hl{color:var(--brand);}
.hero-sub{margin-top:18px;font-size:18px;line-height:1.7;color:var(--text-2);max-width:600px;}
.hero-actions{margin-top:32px;display:flex;gap:16px;flex-wrap:wrap;}
.trust{margin-top:34px;display:flex;flex-wrap:wrap;gap:22px;}
.trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);}
.trust li::before{content:"";width:16px;height:2px;background:var(--accent);border-radius:2px;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;border-radius:16px;box-shadow:var(--shadow-2);object-fit:cover;aspect-ratio:16/10;}
.float-card{position:absolute;right:-14px;bottom:-22px;width:232px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-2);padding:16px 18px;}
.float-card .fc-title{font-size:13px;color:var(--text-3);}
.float-row{display:flex;align-items:center;justify-content:space-between;margin-top:10px;font-size:14px;color:var(--text-2);}
.float-row strong{font-family:"Inter",system-ui,sans-serif;font-size:19px;color:var(--brand);}
.hero-channels{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px;}
.chip{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;color:var(--text-2);transition:all .2s ease;}
.chip:hover{border-color:rgba(26,107,196,.35);color:var(--brand);text-decoration:none;box-shadow:var(--shadow-1);}

/* ---------- 三步上手 ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:28px 24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(26,107,196,.3);}
.step-card + .step-card::before{content:"";position:absolute;left:-24px;top:52px;width:24px;border-top:1px dashed #C8D6E5;}
.step-num{width:40px;height:40px;border-radius:999px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px;font-family:"Inter",system-ui,sans-serif;}
.step-card h3{margin-top:18px;font-size:20px;font-weight:600;}
.step-card p{margin-top:12px;font-size:15px;line-height:1.7;color:var(--text-2);}
.step-card .link-arrow{margin-top:18px;}

/* ---------- 案例证明 ---------- */
.proof-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.proof-grid img{width:100%;border-radius:var(--r-card);box-shadow:var(--shadow-2);aspect-ratio:16/10;object-fit:cover;}
.proof-text h2{font-size:30px;line-height:1.35;font-weight:700;}
.proof-list{margin-top:22px;}
.proof-list li{position:relative;padding-left:22px;margin-bottom:14px;font-size:15px;line-height:1.8;color:var(--text-2);}
.proof-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;background:var(--brand);}
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);margin-top:52px;overflow:hidden;}
.stat{padding:28px 18px;text-align:center;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;}
.stat-num{font-family:"Inter",system-ui,sans-serif;font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;}
.stat-num em{font-style:normal;font-size:16px;margin-left:2px;}
.stat-label{margin-top:6px;font-size:13px;color:var(--text-3);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-grid.is-sparse{grid-template-columns:repeat(auto-fit,minmax(280px,340px));justify-content:start;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;color:inherit;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(26,107,196,.3);text-decoration:none;color:inherit;}
.news-cover{position:relative;background:var(--bg);aspect-ratio:16/10;min-height:168px;display:grid;place-items:center;overflow:hidden;}
.news-cover img{width:100%;height:100%;object-fit:cover;}
.news-cover svg{width:64px;height:64px;stroke:#C8D6E5;fill:none;stroke-width:1.5;}
.badge-cat{position:absolute;left:12px;top:12px;background:rgba(26,107,196,.1);color:var(--brand);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-desc{margin-top:10px;font-size:15px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;padding:56px 24px;text-align:center;}
.empty-state svg{width:64px;height:64px;stroke:#C8D6E5;fill:none;stroke-width:1.5;margin:0 auto 16px;}
.empty-state p{font-size:15px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:52px;align-items:start;}
.faq-aside h2{font-size:30px;line-height:1.35;font-weight:700;}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--text-2);}
.faq-contact{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:20px;}
.faq-contact p{font-size:14px;color:var(--text-2);}
.faq-contact a{font-weight:600;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;}
.faq-item.open{border-left:3px solid var(--brand);}
.faq-q{width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--text);}
.faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);font-size:16px;line-height:1;transition:all .2s ease;}
.faq-item.open .faq-icon{background:var(--brand);border-color:var(--brand);color:#fff;}
.faq-a{display:none;padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2);}
.faq-item.open .faq-a{display:block;}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-deep);padding:72px 0;}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:52px;align-items:center;}
.cta-text h2{font-size:30px;line-height:1.35;font-weight:700;color:#fff;}
.cta-text p{margin-top:16px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);max-width:520px;}
.cta-points{margin-top:22px;}
.cta-points li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;color:rgba(255,255,255,.88);}
.cta-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--accent);border-radius:2px;}
.form-card{background:#fff;border-radius:var(--r-card);box-shadow:var(--shadow-2);padding:28px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text);}
.field input,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;outline:none;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{height:108px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,107,196,.12);}
.form-tip{margin-top:12px;font-size:12px;line-height:1.7;color:var(--text-3);}
.form-msg{margin-top:12px;font-size:13px;color:var(--success);display:none;}
.form-msg.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.7);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:rgba(255,255,255,.6);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;text-decoration:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 22px;}
  .hero h1{font-size:36px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:32px;}
  .proof-grid{grid-template-columns:1fr;gap:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .step-card + .step-card::before{display:none;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(3){border-left:0;}
  .stat:nth-child(n+3){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .channel{display:none;}
  .nav-toggle{display:flex;}
  .topbar-link{display:none;}
  .topbar-actions .btn{display:none;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .section-head h2,.proof-text h2,.faq-aside h2,.cta-text h2{font-size:22px;}
  .steps-grid{grid-template-columns:1fr;}
  .news-grid,.news-grid.is-sparse{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .float-card{position:static;width:100%;margin-top:16px;}
  .hero-actions .btn{width:100%;}
  .form-card{padding:22px 18px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .logo-text{font-size:17px;}
  .stat-num{font-size:24px;}
  .btn{height:46px;font-size:15px;}
}

/* roulang page: article */
:root{
  --brand:#1A6BC4;
  --brand-deep:#0F4C8A;
  --brand-08:rgba(26,107,196,.08);
  --brand-10:rgba(26,107,196,.10);
  --brand-30:rgba(26,107,196,.30);
  --accent:#FF7A45;
  --accent-12:rgba(255,122,69,.12);
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --line:#E3EAF2;
  --text:#1F2A37;
  --text-2:#5B6B7C;
  --text-3:#8A97A6;
  --ok:#17A673;
  --warn:#E8A33D;
  --err:#D9534F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-1:0 1px 3px rgba(16,42,67,.06);
  --shadow-2:0 12px 28px rgba(16,42,67,.10);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;width:100%;}

/* ---------- 顶部品牌行 ---------- */
.topbar{background:var(--surface);border-bottom:1px solid var(--line);}
.topbar-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.logo{display:flex;align-items:center;gap:12px;color:var(--text);}
.logo:hover{text-decoration:none;color:var(--text);}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--brand);color:#fff;font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;line-height:1.25;}
.logo-text small{font-size:12px;font-weight:400;color:var(--text-3);letter-spacing:.4px;}
.topbar-actions{display:flex;align-items:center;gap:14px;}
.topbar-link{font-size:14px;color:var(--text-2);}
.topbar-link:hover{color:var(--brand);}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:var(--surface);color:var(--text-2);display:flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand-30);background:var(--brand-08);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;transition:all .2s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#f06a34;color:#fff;}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
.btn-ghost{background:var(--surface);color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-08);color:var(--brand-deep);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.link-more span{transition:transform .2s ease;}
.link-more:hover span{transform:translateX(3px);}

/* ---------- 频道行 ---------- */
.channel-bar{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:stretch;gap:4px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:52px;padding:0 16px;
  font-size:15px;color:var(--text-2);white-space:nowrap;transition:all .2s ease;
}
.channel-link:hover{background:var(--brand-08);color:var(--brand);text-decoration:none;}
.channel-link.is-active{color:var(--brand);font-weight:700;}
.channel-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:3px;background:var(--brand);
}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);flex-direction:column;justify-content:center;align-items:center;gap:4px;}
.nav-toggle i{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);}
.drawer{display:none;position:fixed;inset:0;z-index:200;background:var(--surface);padding:20px 20px 96px;overflow-y:auto;}
.drawer.is-open{display:block;}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);font-size:18px;color:var(--text-2);float:right;}
.drawer-list{margin:64px 0 24px;clear:both;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 4px;
  border-bottom:1px solid var(--line);color:var(--text);font-size:16px;
}
.drawer-list a:hover{text-decoration:none;color:var(--brand);}
.drawer-cta{position:fixed;left:0;right:0;bottom:0;padding:12px 20px 20px;background:var(--surface);border-top:1px solid var(--line);}
.drawer-cta .btn{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);text-decoration:none;}
.crumb i{font-style:normal;color:var(--line);}
.crumb-cur{color:var(--brand);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-head{padding:28px 0 20px;}
.article-badge{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-10);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:16px;
}
.article-head h1{font-size:34px;line-height:1.32;max-width:900px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--text-3);}
.article-meta em{font-style:normal;color:var(--line);}
.head-rule{height:1px;background:var(--line);margin-top:24px;border:0;}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:48px;justify-content:center;padding:40px 0 var(--sec);}
.article-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:36px 40px;}

/* ---------- 正文排版 ---------- */
.article-content{font-size:17px;line-height:1.85;color:var(--text);}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 18px;font-size:17px;line-height:1.85;color:var(--text-2);}
.article-content h2{
  position:relative;margin:40px 0 16px;padding-left:16px;
  font-size:24px;line-height:1.45;color:var(--brand-deep);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--brand);
}
.article-content h3{margin:28px 0 12px;font-size:19px;line-height:1.5;color:var(--text);}
.article-content h4{margin:22px 0 10px;font-size:17px;color:var(--text);}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:4px;}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:10px;font-size:16px;color:var(--text-2);}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--brand);
}
.article-content ol{counter-reset:olc;}
.article-content ol li{position:relative;padding-left:28px;margin-bottom:10px;counter-increment:olc;font-size:16px;color:var(--text-2);}
.article-content ol li::before{
  content:counter(olc);position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;
  background:var(--brand-10);color:var(--brand);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;background:var(--bg);border-left:3px solid var(--accent);
  border-radius:0 var(--r-img) var(--r-img) 0;font-size:15px;line-height:1.9;color:var(--text-2);
}
.article-content blockquote p{font-size:15px;margin:0 0 8px;color:var(--text-2);}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--r-img);margin:24px 0 8px;box-shadow:var(--shadow-1);}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;line-height:1.6;}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left;color:var(--text-2);}
.article-content th{background:var(--bg);color:var(--text);font-weight:600;}
.article-content a{font-weight:600;text-decoration:underline;text-underline-offset:3px;}
.article-content strong{color:var(--text);}

/* ---------- 侧栏 ---------- */
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:76px;align-self:start;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:22px;}
.side-card h3{font-size:16px;margin-bottom:14px;color:var(--text);}
.side-list li + li{margin-top:8px;}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--text-2);padding:9px 12px;border-radius:var(--r-btn);background:var(--bg);}
.side-list a:hover{background:var(--brand-08);color:var(--brand);text-decoration:none;}
.side-list a b{font-weight:400;color:var(--text-3);font-size:12px;}
.side-note{font-size:13px;color:var(--text-3);line-height:1.7;margin:10px 0 14px;}
.side-card .btn{width:100%;}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 24px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state svg{width:64px;height:64px;stroke:var(--line);fill:none;margin:0 auto 18px;display:block;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:14px;}

/* ---------- 标签与推荐 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;padding:24px 0 8px;}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--brand-10);color:var(--brand);font-size:13px;}
.tag.is-warm{background:var(--accent-12);color:#d9581f;}
.rule{height:1px;background:var(--line);border:0;margin:28px 0;}
.related{padding-bottom:8px;}
.related h2{font-size:20px;margin-bottom:18px;color:var(--brand-deep);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.mini-card{display:flex;gap:12px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);padding:12px;transition:all .25s ease;}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-30);text-decoration:none;}
.mini-card img{width:76px;height:58px;flex:0 0 76px;object-fit:cover;border-radius:10px;}
.mini-card b{display:block;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;}
.mini-card i{font-style:normal;font-size:12px;color:var(--text-3);display:block;margin-top:6px;}
.back-row{display:flex;flex-wrap:wrap;gap:24px;margin-top:22px;}

/* ---------- 频道跳转 + CTA ---------- */
.channel-jump{padding:0 0 var(--sec);}
.jump-box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);
  padding:26px 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.jump-box h2{font-size:19px;}
.jump-tags{display:flex;flex-wrap:wrap;gap:10px;}
.jump-tags a{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg);color:var(--text-2);font-size:14px;transition:all .2s ease;
}
.jump-tags a:hover{border-color:var(--brand-30);background:var(--brand-08);color:var(--brand);text-decoration:none;}
.cta{background:var(--brand-deep);padding:72px 0;}
.cta-inner{display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center;}
.cta h2{color:#fff;font-size:28px;margin-bottom:14px;}
.cta p{color:rgba(255,255,255,.78);font-size:15px;margin-bottom:18px;}
.cta ul li{position:relative;padding-left:20px;color:rgba(255,255,255,.86);font-size:15px;margin-bottom:10px;}
.cta ul li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--accent);}
.cta-form{background:var(--surface);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-2);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text);}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:15px;font-family:inherit;color:var(--text);background:var(--surface);transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:88px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-10);}
.cta-form .btn{width:100%;}
.form-note{font-size:12px;color:var(--text-3);margin:12px 0 0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#fff;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo-text{color:#fff;font-size:17px;}
.footer-brand .logo-text small{color:rgba(255,255,255,.6);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .side{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .article-head h1{font-size:30px;}
  .article-card{padding:28px 26px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:860px){
  .topbar-link{display:none;}
  .nav-toggle{display:flex;}
  .channel-bar{display:none;}
  .crumb{padding-top:18px;}
}
@media (max-width:768px){
  :root{--sec:56px;}
  .container{padding:0 16px;}
  .article-head h1{font-size:28px;}
  .article-card{padding:22px 18px;}
  .article-content,.article-content p{font-size:16px;line-height:1.85;}
  .article-content h2{font-size:21px;margin-top:32px;}
  .side{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .jump-box{padding:20px;}
  .cta{padding:52px 0;}
  .cta h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .logo-text{font-size:15px;}
  .logo-text small{display:none;}
  .article-head h1{font-size:24px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .topbar-actions .btn-sm{display:none;}
  .mini-card img{width:64px;height:52px;flex:0 0 64px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --brand:#1A6BC4;
  --brand-deep:#0F4C8A;
  --accent:#FF7A45;
  --accent-soft:rgba(255,122,69,.12);
  --brand-soft:rgba(26,107,196,.08);
  --brand-tint:rgba(26,107,196,.10);
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --line:#E3EAF2;
  --text:#1F2A37;
  --text-2:#5B6B7C;
  --text-3:#8A97A6;
  --ok:#17A673;
  --warn:#E8A33D;
  --danger:#D9534F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-1:0 1px 3px rgba(16,42,67,.06);
  --shadow-2:0 12px 28px rgba(16,42,67,.10);
  --sec:96px;
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--surface);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;}
h1{font-size:40px;line-height:1.25;letter-spacing:-.5px;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:17px;line-height:1.6;font-weight:600;}
p{margin:0 0 1em;color:var(--text-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section--tight{padding:64px 0;}
.section--bg{background:var(--bg);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.section-head p{margin-top:12px;max-width:640px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--accent);background:var(--accent-soft);border-radius:var(--r-pill);
  padding:4px 14px;margin-bottom:16px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.28);}
.btn-primary:hover{background:#F2682F;color:#fff;box-shadow:0 10px 22px rgba(255,122,69,.32);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(26,107,196,.45);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);}
.btn-outline:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.link-more span{transition:transform .2s ease;}
.link-more:hover span{transform:translateX(3px);}
.link-more:hover{text-decoration:none;color:var(--brand-deep);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-block;font-size:12px;font-weight:600;line-height:1.6;
  padding:4px 12px;border-radius:var(--r-pill);
}
.badge-brand{background:var(--brand-tint);color:var(--brand);}
.badge-accent{background:var(--accent);color:#fff;}
.badge-plain{background:var(--bg);color:var(--text-2);}
.index-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;
  font-size:16px;font-weight:700;font-family:"Inter",system-ui,sans-serif;
}

/* ---------- 顶部品牌行 ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:40;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  background:linear-gradient(150deg,var(--brand),var(--brand-deep));
  color:#fff;font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;color:var(--text);line-height:1.25;}
.logo-text small{font-size:12px;font-weight:400;color:var(--text-3);letter-spacing:.02em;}
.topbar-actions{display:flex;align-items:center;gap:16px;}
.topbar-link{font-size:14px;color:var(--text-2);}
.topbar-link:hover{color:var(--brand);}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{border-color:rgba(26,107,196,.4);color:var(--brand);background:var(--brand-soft);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-btn);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;}

/* ---------- 频道行 ---------- */
.navrow{position:sticky;top:0;z-index:35;background:#fff;border-bottom:1px solid var(--line);}
.navrow.is-stuck{box-shadow:var(--shadow-1);}
.navrow-inner{display:flex;align-items:stretch;gap:6px;height:52px;overflow-x:auto;scrollbar-width:none;}
.navrow-inner::-webkit-scrollbar{display:none;}
.nav-link{
  display:inline-flex;align-items:center;padding:0 16px;font-size:15px;color:var(--text-2);
  border-bottom:3px solid transparent;white-space:nowrap;transition:all .2s ease;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none;}
.nav-link.active{color:var(--brand);font-weight:700;border-bottom-color:var(--brand);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:#fff;z-index:60;
  transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;
  box-shadow:-12px 0 30px rgba(16,42,67,.12);
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open{overflow:hidden;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-head strong{font-size:15px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;font-size:18px;color:var(--text-2);cursor:pointer;}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 20px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a::after{content:"›";color:var(--text-3);font-size:18px;}
.drawer-nav a.active{color:var(--brand);font-weight:700;}
.drawer-nav a:hover{background:var(--brand-soft);text-decoration:none;}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);}
.drawer-mask{position:fixed;inset:0;background:rgba(15,42,67,.45);opacity:0;visibility:hidden;transition:opacity .28s ease;z-index:55;}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{margin:0 8px;color:var(--line);}
.crumb .current{color:var(--brand);font-weight:600;}

/* ---------- 页头横幅 ---------- */
.page-hero{background:var(--bg);border-bottom:1px solid var(--line);padding:52px 0 64px;position:relative;overflow:hidden;}
.page-hero-grid{display:grid;grid-template-columns:8fr 4fr;gap:48px;align-items:center;}
.page-hero h1{margin-bottom:20px;}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.page-hero .lead{font-size:17px;line-height:1.85;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:26px;font-size:13px;color:var(--text-3);}
.hero-points span{display:inline-flex;align-items:center;gap:8px;}
.hero-points span::before{content:"";width:14px;height:2px;background:var(--accent);border-radius:2px;}
.hero-art{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:20px;
}
.hero-art svg{width:100%;height:auto;display:block;}

/* ---------- 频道标签条 ---------- */
.channel-strip{border-bottom:1px solid var(--line);background:#fff;}
.channel-strip .inner{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:18px 0;}
.channel-strip .label{font-size:13px;color:var(--text-3);}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);color:var(--text-2);font-size:14px;
  transition:all .2s ease;
}
.chip:hover{background:var(--brand-soft);border-color:rgba(26,107,196,.35);color:var(--brand);text-decoration:none;}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.chip.is-active:hover{color:#fff;background:var(--brand-deep);border-color:var(--brand-deep);}

/* ---------- 通用卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(26,107,196,.3);}
.card-title{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px;color:var(--text);}
.card-text{font-size:15px;line-height:1.7;color:var(--text-2);margin-bottom:0;}

/* ---------- 渠道图文卡片 ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.guide-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(26,107,196,.3);}
.guide-thumb{position:relative;aspect-ratio:16/10;background:var(--bg);overflow:hidden;}
.guide-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.guide-thumb .badge{position:absolute;left:12px;top:12px;box-shadow:0 2px 8px rgba(16,42,67,.12);}
.guide-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.guide-body h3{font-size:18px;}
.guide-body p{font-size:15px;line-height:1.75;margin:0;}
.guide-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-3);}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start;}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);}
.check-list li:last-child{border-bottom:none;}
.check-mark{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;margin-top:4px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.check-list h4{margin-bottom:4px;}
.check-list p{font-size:14px;line-height:1.7;margin:0;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:26px;position:sticky;top:88px;}
.side-card h3{margin-bottom:8px;}
.side-stat{display:flex;align-items:baseline;gap:10px;padding:14px 0;border-bottom:1px solid var(--line);}
.side-stat:last-of-type{border-bottom:none;}
.side-stat .num{font-size:26px;font-weight:700;color:var(--brand);font-family:"Inter",system-ui,sans-serif;line-height:1;}
.side-stat .txt{font-size:14px;color:var(--text-2);}

/* ---------- 退回原因（竖排编号） ---------- */
.reason-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 32px;}
.reason-item{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow-1);transition:border-color .25s ease,box-shadow .25s ease;}
.reason-item:hover{border-color:rgba(26,107,196,.3);box-shadow:var(--shadow-2);}
.reason-no{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:var(--bg);color:var(--brand);
  font-family:"Inter",system-ui,sans-serif;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;border:1px solid var(--line);
}
.reason-item h4{margin-bottom:6px;}
.reason-item p{font-size:14px;line-height:1.75;margin:0;}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);
  overflow:hidden;
}
.stat-cell{padding:28px 24px;text-align:center;border-right:1px solid var(--line);}
.stat-cell:last-child{border-right:none;}
.stat-cell .num{font-size:28px;font-weight:700;color:var(--brand);font-family:"Inter",system-ui,sans-serif;line-height:1.2;}
.stat-cell .label{font-size:13px;color:var(--text-3);margin-top:6px;}

/* ---------- 底部 CTA 横条 ---------- */
.cta-bar{
  background:var(--brand-deep);
  border-radius:18px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-bar h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-bar p{color:rgba(255,255,255,.78);font-size:15px;margin:0;}
.cta-bar .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-bar .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-bar .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ---------- 表单 ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:28px;}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.form-row input,.form-row textarea{
  width:100%;height:48px;padding:0 14px;font-size:15px;color:var(--text);
  border:1px solid var(--line);border-radius:var(--r-input);background:#fff;
  font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--text-3);}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,107,196,.12);}
.form-tip{font-size:12px;color:var(--text-3);line-height:1.7;margin-top:12px;}
.apply-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start;}
.apply-copy h2{color:#fff;font-size:30px;margin-bottom:16px;}
.apply-copy p{color:rgba(255,255,255,.82);font-size:16px;}
.apply-points{margin-top:24px;display:grid;gap:12px;}
.apply-points li{color:rgba(255,255,255,.9);font-size:15px;display:flex;gap:10px;align-items:flex-start;}
.apply-points li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);margin-top:9px;flex:0 0 8px;}
.apply-section{background:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{color:#fff;font-size:17px;margin-bottom:14px;}
.footer-brand .logo-text small{color:rgba(255,255,255,.55);}
.footer-brand p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85;}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom span{color:rgba(255,255,255,.55);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .guide-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  h1{font-size:32px;}
  h2{font-size:26px;}
  :root{--sec:72px;}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-art{max-width:520px;}
  .guide-grid{grid-template-columns:repeat(2,1fr);}
  .prep-grid{grid-template-columns:1fr;gap:32px;}
  .side-card{position:static;}
  .reason-list{grid-template-columns:1fr;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(2){border-right:none;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .apply-grid{grid-template-columns:1fr;gap:32px;}
  .navrow-inner{overflow-x:auto;}
}
@media (max-width:767px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  :root{--sec:56px;}
  .container{padding:0 16px;}
  .topbar-link{display:none;}
  .nav-toggle{display:flex;}
  .navrow{display:none;}
  .guide-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .cta-bar{padding:32px 24px;border-radius:14px;}
  .cta-bar .cta-actions{width:100%;}
  .cta-bar .cta-actions .btn{width:100%;}
  .hero-actions .btn{flex:1 1 100%;}
  .stat-bar{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  body{font-size:15px;}
  .logo-text{font-size:15px;}
  .logo-text small{display:none;}
  .btn{width:100%;}
  .topbar-actions{gap:10px;}
  .icon-btn{display:none;}
  .stat-cell .num{font-size:24px;}
}

/* roulang page: category2 */
:root{
  --brand:#1A6BC4;
  --brand-deep:#0F4C8A;
  --brand-soft:rgba(26,107,196,.10);
  --brand-hover:rgba(26,107,196,.08);
  --accent:#FF7A45;
  --accent-soft:rgba(255,122,69,.12);
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --line:#E3EAF2;
  --text:#1F2A37;
  --text-2:#5B6B7C;
  --text-3:#8A97A6;
  --ok:#17A673;
  --warn:#E8A33D;
  --err:#D9534F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-1:0 1px 3px rgba(16,42,67,.06);
  --shadow-2:0 12px 28px rgba(16,42,67,.10);
  --gap:24px;
  --section:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
body.nav-locked{overflow:hidden;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:4px;
}
h1,h2,h3,h4{margin:0;color:var(--brand-deep);font-weight:700;letter-spacing:.2px;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:17px;line-height:1.6;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部品牌行 ---------- */
.topbar{background:var(--surface);border-bottom:1px solid var(--line);position:relative;z-index:60;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px;}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  background:var(--brand);color:#fff;font-size:19px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.logo-text{display:flex;flex-direction:column;color:var(--brand-deep);font-size:17px;font-weight:700;line-height:1.25;}
.logo-text small{font-size:12px;font-weight:400;color:var(--text-3);letter-spacing:.4px;}
.topbar-actions{display:flex;align-items:center;gap:14px;}
.topbar-link{font-size:14px;color:var(--text-2);}
.topbar-link:hover{color:var(--brand);}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(26,107,196,.35);background:var(--brand-hover);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--brand-deep);border-radius:2px;}

/* ---------- 频道行 ---------- */
.channel-bar{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;transition:box-shadow .25s ease;}
.channel-bar.is-stuck{box-shadow:var(--shadow-1);}
.channel-inner{display:flex;align-items:stretch;gap:6px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:52px;padding:0 16px;
  font-size:15px;color:var(--text-2);white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.channel-link:hover{background:var(--brand-hover);color:var(--brand);text-decoration:none;}
.channel-link.is-active{color:var(--brand);font-weight:700;}
.channel-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--brand);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.25);}
.btn-primary:hover{background:#f4692f;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,69,.30);}
.btn-outline{background:var(--surface);border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-hover);color:var(--brand-deep);}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn:active{transform:translateY(1px);filter:brightness(.94);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.link-arrow span.arrow{transition:transform .2s ease;}
.link-arrow:hover span.arrow{transform:translateX(3px);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.3px;
}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(26,107,196,.30);}
.badge-cat{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;}
.badge-accent{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--accent);color:#fff;font-size:12px;font-weight:600;}
.meta{font-size:13px;line-height:1.6;color:var(--text-3);}

/* ---------- 面包屑 ---------- */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--text-3);}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{margin:0 8px;color:#c4d0dc;}
.crumbs .current{color:var(--brand);font-weight:600;}

/* ---------- 页头（居中窄栏） ---------- */
.cat-hero{
  position:relative;
  background:linear-gradient(rgba(255,255,255,.90),rgba(255,255,255,.94)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  padding:56px 0 48px;
}
.cat-hero .hero-narrow{max-width:720px;margin:0 auto;text-align:center;}
.cat-hero h1{margin:18px 0 16px;}
.cat-hero .lead{font-size:17px;line-height:1.85;color:var(--text-2);}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:28px;}
.hero-facts{display:flex;justify-content:center;gap:28px;flex-wrap:wrap;margin-top:28px;font-size:13px;color:var(--text-3);}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;}
.hero-facts span::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--accent);display:inline-block;}

/* ---------- 频道横向跳转 ---------- */
.channel-jump{padding:28px 0 0;}
.channel-jump .jump-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:18px 22px;
}
.channel-jump .jump-inner strong{font-size:15px;color:var(--brand-deep);}
.chip-row{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg);color:var(--text-2);font-size:14px;transition:all .2s ease;
}
.chip:hover{border-color:rgba(26,107,196,.4);color:var(--brand);background:var(--brand-hover);text-decoration:none;}
.chip.is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.chip.is-current:hover{color:#fff;background:var(--brand-deep);}

/* ---------- 步骤布局 ---------- */
.steps-layout{display:grid;grid-template-columns:4fr 8fr;gap:var(--gap);align-items:start;}
.anchor-nav{position:sticky;top:88px;}
.anchor-nav .anchor-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:20px;
}
.anchor-nav h3{font-size:15px;letter-spacing:.4px;margin-bottom:14px;color:var(--brand-deep);}
.anchor-nav ol{counter-reset:anchor;}
.anchor-nav li{counter-increment:anchor;}
.anchor-nav a{
  display:flex;align-items:flex-start;gap:10px;padding:9px 10px;border-radius:8px;
  font-size:14px;color:var(--text-2);line-height:1.6;transition:background .2s ease,color .2s ease;
}
.anchor-nav a::before{
  content:counter(anchor,decimal-leading-zero);font-size:12px;color:var(--text-3);font-weight:600;line-height:22px;
}
.anchor-nav a:hover{background:var(--brand-hover);color:var(--brand);text-decoration:none;}
.anchor-nav a:hover::before{color:var(--brand);}
.anchor-note{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-3);line-height:1.7;}

.step-list{display:flex;flex-direction:column;gap:24px;}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:28px;scroll-margin-top:96px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(26,107,196,.30);}
.step-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.step-num{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;background:var(--accent);color:#fff;
  font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(255,122,69,.25);
}
.step-card p{color:var(--text-2);font-size:16px;}
.step-card figure{margin:18px 0 0;}
.step-card figure img{border:1px solid var(--line);}
.step-card figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.step-hint{
  margin-top:18px;padding:14px 16px;border-radius:10px;background:var(--bg);
  border-left:3px solid var(--brand);font-size:15px;color:var(--text-2);line-height:1.75;
}
.step-hint strong{color:var(--brand-deep);}
.dotted{height:1px;border-top:1px dashed var(--line);margin:6px 0 0;}

/* ---------- 要点清单 ---------- */
.check-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:32px;
}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 28px;margin-top:22px;}
.check-item{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.75;}
.check-item i{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;margin-top:4px;
  background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-style:normal;font-size:12px;font-weight:700;
}

/* ---------- 常见疑问 ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:var(--gap);align-items:start;}
.faq-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:24px;}
.faq-side h2{font-size:24px;margin-bottom:12px;}
.faq-side p{font-size:15px;color:var(--text-2);}
.faq-side .link-arrow{margin-top:16px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;border-left:3px solid transparent;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-left-color:var(--brand);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--brand-deep);line-height:1.5;
}
.faq-q .sign{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);font-size:16px;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q .sign{background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a .faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  border-radius:0;padding:72px 0;
}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:36px;align-items:center;}
.cta-copy h2{color:#fff;font-size:30px;}
.cta-copy p{color:rgba(255,255,255,.82);margin-top:14px;font-size:16px;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.92);font-size:15px;}
.cta-points li::before{content:"";width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--accent);flex:0 0 8px;}
.form-card{background:var(--surface);border-radius:var(--r-card);box-shadow:var(--shadow-2);padding:28px;}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-tip{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  font-family:inherit;font-size:15px;color:var(--text);background:var(--surface);transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,107,196,.12);outline:none;}
.field .err-msg{display:none;font-size:12px;color:var(--err);margin-top:6px;}
.field.has-error input,.field.has-error textarea{border-color:var(--err);}
.field.has-error .err-msg{display:block;}
.privacy-note{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#fff;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .logo-text{color:#fff;font-size:17px;}
.footer-brand .logo-text small{color:rgba(255,255,255,.6);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;background:var(--surface);z-index:120;
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);min-height:68px;}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--surface);font-size:20px;color:var(--brand-deep);cursor:pointer;}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 20px;
  font-size:16px;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{background:var(--brand-hover);text-decoration:none;color:var(--brand);}
.drawer-nav a.is-active{color:var(--brand);font-weight:700;border-left:3px solid var(--brand);}
.drawer-nav a .go{color:var(--text-3);font-size:14px;}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1080px;}
}
@media (max-width:1023px){
  :root{--section:72px;}
  .steps-layout{grid-template-columns:1fr;}
  .anchor-nav{position:static;}
  .anchor-nav .anchor-card{display:none;}
  .faq-wrap{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .check-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  :root{--section:56px;--gap:18px;}
  body{font-size:15px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .container{padding:0 16px;}
  .topbar-link,.icon-btn{display:none;}
  .nav-toggle{display:flex;}
  .logo-text{font-size:15px;}
  .logo-text small{font-size:11px;}
  .cat-hero{padding:36px 0 32px;}
  .cat-hero .lead{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .hero-facts{flex-direction:column;align-items:center;gap:10px;}
  .channel-jump .jump-inner{padding:16px;}
  .step-card{padding:20px;}
  .check-panel{padding:22px;}
  .form-card{padding:20px;}
  .faq-q{font-size:16px;padding:14px 18px;}
  .faq-a .faq-a-inner{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  h1{font-size:24px;}
  h2{font-size:20px;}
  .btn{height:46px;padding:0 18px;font-size:14px;}
  .hero-actions{flex-direction:column;}
  .chip{height:34px;font-size:13px;padding:0 13px;}
}

/* roulang page: category3 */
:root{
  --brand:#1A6BC4;
  --brand-deep:#0F4C8A;
  --accent:#FF7A45;
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --line:#E3EAF2;
  --text:#1F2A37;
  --text-2:#5B6B7C;
  --text-3:#8A97A6;
  --ok:#17A673;
  --warn:#E8A33D;
  --err:#D9534F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --shadow-1:0 1px 3px rgba(16,42,67,.06);
  --shadow-2:0 12px 28px rgba(16,42,67,.10);
  --container:1180px;
  --section:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep);text-decoration:underline;text-decoration-thickness:1px}
button{font-family:inherit}
input,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4{margin:0;color:var(--brand-deep);letter-spacing:.2px}
h1{font-size:40px;line-height:1.25;font-weight:700}
h2{font-size:30px;line-height:1.35;font-weight:700}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.6;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部品牌行 ============ */
.topbar{background:var(--surface);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:18px}
.logo{display:inline-flex;align-items:center;gap:12px;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;
  background:var(--brand);color:#fff;font-size:19px;font-weight:700;
  display:flex;align-items:center;justify-content:center;letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;color:var(--brand-deep);line-height:1.25}
.logo-text small{font-size:12px;font-weight:400;color:var(--text-3);letter-spacing:0;margin-top:2px}
.topbar-actions{display:flex;align-items:center;gap:14px}
.topbar-link{font-size:14px;color:var(--text-2)}
.topbar-link:hover{color:var(--brand);text-decoration:underline}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-2);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(26,107,196,.35);background:rgba(26,107,196,.06)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:all .22s ease;white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px);filter:brightness(.94)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#f26a33;color:#fff}
.btn-ghost{background:var(--surface);color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(26,107,196,.07);color:var(--brand-deep)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--brand);text-decoration:none;
}
.link-arrow span{transition:transform .22s ease;display:inline-block}
.link-arrow:hover{text-decoration:none;color:var(--brand-deep)}
.link-arrow:hover span{transform:translateX(3px)}

/* ============ 频道行 ============ */
.mainnav{
  background:var(--surface);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:60;transition:box-shadow .25s ease;
}
.mainnav.is-stuck{box-shadow:var(--shadow-1)}
.nav-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
  display:inline-flex;align-items:center;height:52px;padding:0 16px;
  font-size:15px;color:var(--text-2);position:relative;text-decoration:none;
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-list a:hover{background:rgba(26,107,196,.08);color:var(--brand);text-decoration:none}
.nav-list a.is-active{color:var(--brand);font-weight:600}
.nav-list a.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;
  background:var(--brand);border-radius:2px;
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;background:var(--surface);z-index:200;
  display:flex;flex-direction:column;transform:translateY(-102%);
  transition:transform .3s ease;visibility:hidden;
}
.drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:68px;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:20px;color:var(--text-2);cursor:pointer;line-height:1}
.drawer-list{flex:1;overflow-y:auto;padding:8px 0}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 20px;font-size:16px;color:var(--text);text-decoration:none;
  border-bottom:1px solid var(--line);
}
.drawer-list a:hover{background:rgba(26,107,196,.06);text-decoration:none}
.drawer-list a::after{content:"›";color:var(--text-3);font-size:20px;line-height:1}
.drawer-list a.is-active{color:var(--brand);font-weight:600}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}

/* ============ 面包屑 ============ */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text-3);line-height:1.6}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{margin:0 8px;color:var(--line)}
.crumb .current{color:var(--brand);font-weight:600}

/* ============ 页头 ============ */
.page-hero{background:var(--bg);border-bottom:1px solid var(--line);padding:44px 0 40px}
.page-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,122,69,.12);color:#E9612B;font-size:13px;font-weight:600;margin-bottom:18px;
}
.page-hero h1{max-width:900px}
.page-hero .lead{max-width:760px;margin-top:18px;font-size:17px;line-height:1.8;color:var(--text-2)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:22px;font-size:13px;color:var(--text-3)}
.hero-meta b{color:var(--brand);font-weight:600}

/* 筛选标签 */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:28px;padding-top:24px;border-top:1px dashed var(--line);
}
.filter-bar .filter-label{font-size:13px;color:var(--text-3);margin-right:4px}
.pill{
  height:40px;padding:0 20px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-2);font-size:14px;font-weight:500;
  cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;
}
.pill:hover{border-color:rgba(26,107,196,.4);color:var(--brand);background:rgba(26,107,196,.06)}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pill.is-active:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff}

/* ============ 频道横向跳转 ============ */
.channel-jump{background:var(--surface);padding:36px 0 0}
.jump-box{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--shadow-1);
}
.jump-box .jump-title{font-size:15px;font-weight:600;color:var(--brand-deep)}
.jump-box .jump-title small{display:block;font-size:13px;font-weight:400;color:var(--text-3);margin-top:4px}
.jump-tags{display:flex;flex-wrap:wrap;gap:10px}
.jump-tags a{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--text-2);
  text-decoration:none;transition:all .2s ease;
}
.jump-tags a:hover{border-color:var(--brand);color:var(--brand);background:rgba(26,107,196,.07);text-decoration:none}
.jump-tags a.is-current{background:rgba(26,107,196,.1);border-color:rgba(26,107,196,.3);color:var(--brand);font-weight:600}

/* ============ 板块通用 ============ */
.section{padding:var(--section) 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head .sub{margin-top:14px;font-size:16px;color:var(--text-2);max-width:720px}
.section-head h2{max-width:760px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(26,107,196,.1);color:var(--brand);font-size:13px;font-weight:600;
}

/* ============ 案例卡片（两列大图） ============ */
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.case-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(26,107,196,.3)}
.case-media{position:relative;display:block;text-decoration:none;overflow:hidden;border-radius:0}
.case-media:hover{text-decoration:none}
.case-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .4s ease}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px;background:linear-gradient(to top,rgba(15,76,138,.94) 0%,rgba(15,76,138,.62) 45%,rgba(15,76,138,0) 78%);
}
.case-overlay h3{color:#fff;font-size:20px;line-height:1.45;margin-bottom:8px}
.case-overlay p{color:rgba(255,255,255,.86);font-size:14px;line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-tag{
  position:absolute;top:16px;left:16px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(255,122,69,.94);color:#fff;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.case-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;border-top:1px solid var(--line);background:var(--surface);
}
.case-foot .meta{font-size:13px;color:var(--text-3)}
.case-card.is-hidden{display:none}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.stat-item{padding:28px 24px;text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;font-family:"Inter",var(--font)}
.stat-label{font-size:13px;color:var(--text-3);margin-top:8px}

/* ============ 要点列表 ============ */
.notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.note-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.note-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(26,107,196,.3)}
.note-card h3{margin-bottom:12px}
.note-card p{font-size:15px;line-height:1.7;color:var(--text-2)}
.square-list{margin-top:14px}
.square-list li{
  position:relative;padding-left:18px;font-size:15px;line-height:1.7;color:var(--text-2);margin-bottom:10px;
}
.square-list li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.num-list{counter-reset:step}
.num-list li{
  position:relative;padding-left:44px;margin-bottom:18px;font-size:15px;line-height:1.75;color:var(--text-2);
}
.num-list li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;
  background:rgba(255,122,69,.14);color:#E9612B;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-family:"Inter",var(--font);
}
.num-list li strong{display:block;color:var(--text);font-weight:600;margin-bottom:4px;font-size:16px}

/* ============ 更多按钮区 ============ */
.more-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:44px}
.more-wrap .hint{font-size:13px;color:var(--text-3)}

/* ============ CTA 区块 ============ */
.cta-band{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-deep) 100%);color:#fff;padding:72px 0}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.cta-copy h2{color:#fff;margin-bottom:18px}
.cta-copy p{color:rgba(255,255,255,.86);font-size:16px;line-height:1.8;margin-bottom:22px}
.cta-points li{
  position:relative;padding-left:22px;color:rgba(255,255,255,.9);font-size:15px;margin-bottom:10px;
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:2px;background:var(--accent);border-radius:2px;
}
.apply-card{
  background:var(--surface);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-2);
}
.apply-card h3{margin-bottom:6px}
.apply-card .apply-sub{font-size:14px;color:var(--text-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--surface);color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,107,196,.14)}
.field.has-error input,.field.has-error textarea{border-color:var(--err)}
.field .err-msg{display:none;font-size:12px;color:var(--err);margin-top:6px}
.field.has-error .err-msg{display:block}
.privacy{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.6}
.form-tip{
  display:none;margin-top:14px;font-size:14px;color:var(--ok);background:rgba(23,166,115,.1);
  border:1px solid rgba(23,166,115,.3);border-radius:var(--r-input);padding:12px 14px;
}
.form-tip.is-show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.7);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff;font-size:17px}
.footer-brand .logo-text small{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{color:rgba(255,255,255,.7);font-size:14px}
.footer-col ul li a:hover{color:#fff;text-decoration:underline}
.footer-col ul li span{color:rgba(255,255,255,.7);font-size:14px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  h1{font-size:36px}
  h2{font-size:27px}
  .section{padding:80px 0}
}
@media (max-width:1023px){
  h1{font-size:32px}
  h2{font-size:24px}
  :root{--section:72px}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .notes{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .topbar-link{display:none}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2n){border-right:0}
  .stat-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:767px){
  :root{--section:56px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:18px}
  .container{padding:0 16px}
  .nav-list{display:none}
  .nav-toggle{display:flex}
  .topbar-inner{min-height:62px}
  .logo-text{font-size:15px}
  .logo-text small{font-size:11px}
  .topbar-actions .btn-sm{display:none}
  .page-hero{padding:32px 0 28px}
  .case-grid{grid-template-columns:1fr;gap:20px}
  .notes{grid-template-columns:1fr}
  .case-overlay{padding:18px}
  .case-overlay h3{font-size:17px}
  .jump-box{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .more-wrap .btn{width:auto}
  .cta-band{padding:48px 0}
  .apply-card{padding:22px}
}
@media (max-width:480px){
  h1{font-size:24px}
  h2{font-size:20px}
  body{font-size:15px}
  .page-hero .lead{font-size:15px}
  .stat-item{padding:22px 14px}
  .stat-num{font-size:24px}
  .pill{height:38px;padding:0 16px;font-size:13px}
  .case-foot{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category4 */
:root{
  --brand:#1A6BC4;
  --brand-deep:#0F4C8A;
  --accent:#FF7A45;
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --line:#E3EAF2;
  --text:#1F2A37;
  --text-2:#5B6B7C;
  --text-3:#8A97A6;
  --success:#17A673;
  --warn:#E8A33D;
  --danger:#D9534F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --shadow-1:0 1px 3px rgba(16,42,67,.06);
  --shadow-2:0 12px 28px rgba(16,42,67,.10);
  --sec:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:15px;color:var(--text);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;}
h1{font-size:40px;line-height:1.25;letter-spacing:-.4px;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部品牌行 ---------- */
.topbar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:60;
}
.topbar-inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:12px;
  background:var(--brand);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:700;
  letter-spacing:0;
}
.logo-text{
  display:flex;flex-direction:column;
  font-size:18px;font-weight:700;color:var(--text);
  line-height:1.25;
  letter-spacing:-.2px;
}
.logo-text small{
  font-size:12px;font-weight:400;color:var(--text-3);
  letter-spacing:.2px;margin-top:2px;line-height:1.4;
}
.topbar-actions{display:flex;align-items:center;gap:14px;}
.topbar-link{
  font-size:14px;color:var(--text-2);
  padding:8px 4px;
}
.topbar-link:hover{color:var(--brand);text-decoration:none;}
.icon-btn{
  width:42px;height:42px;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:var(--r-btn);
  color:var(--text-2);
  display:flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:rgba(26,107,196,.4);color:var(--brand);background:rgba(26,107,196,.05);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  padding:0 24px;height:48px;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
  text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.24);}
.btn-primary:hover{background:#f96b32;color:#fff;}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
.btn-secondary{background:var(--surface);color:var(--brand);border-color:rgba(26,107,196,.38);}
.btn-secondary:hover{background:rgba(26,107,196,.06);color:var(--brand-deep);border-color:var(--brand);}
.btn-secondary:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-ghost{background:transparent;color:var(--brand);border-color:transparent;padding:0;}
.btn-ghost:hover{text-decoration:underline;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow svg{transition:transform .25s ease;}
.link-arrow:hover{text-decoration:none;color:var(--brand-deep);}
.link-arrow:hover svg{transform:translateX(3px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:var(--r-btn);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px;}

/* ---------- 频道行 ---------- */
.channel-bar{
  position:sticky;top:0;z-index:50;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.channel-inner{display:flex;align-items:center;min-height:52px;}
.channel-list{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  display:inline-flex;align-items:center;
  height:52px;padding:0 16px;
  font-size:15px;color:var(--text-2);
  position:relative;white-space:nowrap;
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.channel-list a:hover{color:var(--brand);background:rgba(26,107,196,.08);text-decoration:none;}
.channel-list a.is-active{color:var(--brand);font-weight:700;}
.channel-list a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;
  height:3px;border-radius:3px 3px 0 0;background:var(--brand);
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(15,76,138,.35);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;
  width:min(360px,86vw);height:100%;
  background:var(--surface);
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .28s ease;
  box-shadow:var(--shadow-2);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{
  height:68px;flex:0 0 68px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:700;
}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);background:var(--surface);
  border-radius:var(--r-btn);font-size:18px;color:var(--text-2);line-height:1;
}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 20px;
  font-size:15px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{background:var(--bg);text-decoration:none;color:var(--brand);}
.drawer-nav a.is-active{color:var(--brand);font-weight:700;}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{margin-top:16px;color:var(--text-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.4px;
  color:var(--brand);
  background:rgba(26,107,196,.10);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:18px;
}
.eyebrow.is-accent{color:#d8541f;background:rgba(255,122,69,.14);}

/* ---------- 面包屑 ---------- */
.crumb{
  font-size:13px;color:var(--text-3);
  padding:20px 0 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);text-decoration:none;}
.crumb span.sep{color:#c8d3df;}
.crumb strong{color:var(--brand);font-weight:600;}

/* ---------- FAQ 页头 ---------- */
.faq-hero{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding-bottom:56px;
}
.faq-hero-inner{
  display:grid;grid-template-columns:1fr;
  gap:28px;
  padding-top:40px;
}
.faq-hero h1{max-width:820px;}
.faq-hero h1 em{font-style:normal;color:var(--brand);}
.faq-hero .lead{
  max-width:720px;
  font-size:17px;color:var(--text-2);
  margin:0;
}
.search-bar{
  display:flex;align-items:center;gap:12px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:10px 10px 10px 18px;
  max-width:640px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-bar:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,107,196,.12);}
.search-bar svg{flex:0 0 18px;color:var(--text-3);}
.search-bar input{
  flex:1;border:0;background:transparent;height:36px;
  outline:none;min-width:0;font-size:15px;
}
.search-bar input::placeholder{color:var(--text-3);}
.search-bar .btn{height:40px;padding:0 20px;font-size:14px;}
.filter-note{font-size:13px;color:var(--text-3);margin-top:12px;}

/* ---------- 自查板块 ---------- */
.check-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.check-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  background:var(--surface);
}
.check-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.check-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:16px;
  color:var(--text-2);
  font-size:15.5px;
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:10px;height:10px;border-radius:3px;background:var(--brand);
}
.channel-tags{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:28px;
}
.channel-tags a{
  display:inline-flex;align-items:center;
  height:40px;padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  font-size:14px;color:var(--text-2);
  transition:all .22s ease;
}
.channel-tags a:hover{
  color:var(--brand);border-color:rgba(26,107,196,.4);
  background:rgba(26,107,196,.06);text-decoration:none;transform:translateY(-2px);
}

/* ---------- FAQ 分组 ---------- */
.faq-groups{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:32px 32px;
}
.faq-group{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:24px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-group:hover{box-shadow:var(--shadow-2);border-color:rgba(26,107,196,.3);}
.faq-group-head{
  display:flex;align-items:center;gap:12px;
  padding-bottom:16px;
  border-bottom:1px dashed var(--line);
  margin-bottom:8px;
}
.faq-group-head .num{
  width:32px;height:32px;flex:0 0 32px;
  border-radius:999px;
  background:rgba(255,122,69,.14);
  color:#d8541f;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.faq-group-head h3{font-size:18px;}
details.faq-item{
  border-left:3px solid transparent;
  border-radius:8px;
  transition:background .2s ease,border-color .2s ease;
}
details.faq-item + details.faq-item{border-top:1px solid var(--line);}
details.faq-item[open]{
  border-left-color:var(--brand);
  background:rgba(26,107,196,.03);
}
details.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:16px 12px 16px 14px;
  font-size:16px;font-weight:600;color:var(--text);
  min-height:56px;
}
details.faq-item summary::-webkit-details-marker{display:none;}
details.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;
  margin-top:3px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--brand);
  font-size:15px;line-height:20px;text-align:center;font-weight:400;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
details.faq-item[open] .faq-icon{background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-answer{
  padding:0 24px 18px 17px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-answer p{margin:0 0 .8em;}

/* ---------- 联系卡片 ---------- */
.contact-wrap{
  display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start;
}
.contact-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:28px;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.contact-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:rgba(26,107,196,.3);}
.contact-card h3{margin-bottom:12px;}
.contact-card p{font-size:15px;color:var(--text-2);}
.contact-meta{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
  display:flex;flex-direction:column;gap:8px;
}
.contact-meta strong{color:var(--text-2);font-weight:600;}
.tip-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:22px;
}
.tip-card h4{margin-bottom:10px;}
.tip-card ul li{
  font-size:14px;color:var(--text-2);
  padding-left:18px;position:relative;margin-bottom:10px;
}
.tip-card ul li:last-child{margin-bottom:0;}
.tip-card ul li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* ---------- CTA 横条 ---------- */
.cta-band{
  background:var(--brand);
  border-radius:16px;
  padding:44px;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  color:#fff;
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;max-width:640px;margin:0;}
.cta-band .btn-primary{background:var(--accent);box-shadow:0 10px 24px rgba(0,0,0,.16);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.cta-actions .btn-secondary:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.72);
  margin-top:var(--sec);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand .logo-text{color:#fff;font-size:18px;}
.footer-brand .logo-text small{color:rgba(255,255,255,.6);}
.footer-brand p{
  margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);
}
.footer-col h3{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:12px;font-size:14px;}
.footer-col ul li a,.footer-col ul li span{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col ul li a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  h1{font-size:34px;}
  .check-grid{gap:32px;}
}
@media (max-width:1023px){
  .check-grid{grid-template-columns:1fr;}
  .faq-groups{grid-template-columns:1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
}
@media (max-width:900px){
  .topbar-link{display:none;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  .container{padding:0 16px;}
  .topbar-inner{height:64px;gap:12px;}
  .logo-mark{width:38px;height:38px;flex:0 0 38px;font-size:19px;}
  .logo-text{font-size:16px;}
  .logo-text small{display:none;}
  .nav-toggle{display:flex;}
  .topbar-actions .btn{display:none;}
  .channel-bar{display:none;}
  .faq-hero{padding-bottom:40px;}
  .faq-hero-inner{padding-top:28px;gap:20px;}
  .faq-hero h1{font-size:26px;}
  .faq-hero .lead{font-size:16px;}
  .search-bar{flex-wrap:wrap;padding:12px;}
  .search-bar input{width:100%;flex:1 1 100%;height:34px;}
  .search-bar .btn{width:100%;}
  .faq-group{padding:18px;}
  .faq-group-head h3{font-size:17px;}
  details.faq-item summary{font-size:15.5px;padding:14px 8px 14px 12px;}
  .faq-answer{padding:0 14px 16px 12px;}
  .cta-band{padding:28px 22px;border-radius:14px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
}
@media (max-width:480px){
  h1{font-size:24px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .channel-tags a{height:44px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}