/* roulang page: index */
:root{
  --brand:#1B5AD6;
  --brand-dark:#12419E;
  --accent:#14A79B;
  --accent-soft:#E6F5F3;
  --warn:#F2762A;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --soft:#EDF3FB;
  --text:#0E2038;
  --muted:#55688A;
  --faint:#8A9AB5;
  --line:#E1E9F4;
  --radius-card:18px;
  --radius-img:16px;
  --radius-input:12px;
  --radius-badge:8px;
  --shadow-card:0 1px 2px rgba(14,32,56,.04),0 14px 34px -16px rgba(14,32,56,.16);
  --shadow-card-hover:0 2px 4px rgba(14,32,56,.05),0 22px 44px -18px rgba(14,32,56,.26);
  --shadow-nav:0 8px 24px -12px rgba(14,32,56,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:640px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ============ 导航 ============ */
.nav-wrap{position:fixed;top:0;left:0;right:0;z-index:60;padding:14px 16px;display:flex;justify-content:center;pointer-events:none}
.nav-inner{width:min(1160px,100%);display:flex;flex-direction:column;gap:10px}
.nav-bar{
  pointer-events:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;
  height:64px;padding:0 12px 0 16px;border-radius:999px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-nav);
  transition:background .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-wrap.is-scrolled .nav-bar{background:rgba(255,255,255,.96);box-shadow:0 12px 32px -12px rgba(14,32,56,.3)}
.brand{display:flex;align-items:center;gap:10px;min-width:0;flex-shrink:1}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -6px rgba(27,90,214,.6);
}
.brand-text{font-size:15.5px;font-weight:700;letter-spacing:-.2px;color:var(--text);white-space:normal;line-height:1.2}
@media (min-width:1024px){.brand-text{font-size:16.5px;white-space:nowrap}}
.nav-links{display:none;align-items:center;gap:2px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;
  font-size:14.5px;color:var(--muted);transition:background .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{background:var(--soft);color:var(--brand)}
.nav-link.is-active{background:var(--soft);color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:var(--soft);border-color:rgba(27,90,214,.3)}
@media (min-width:1024px){.nav-toggle{display:none}}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-mobile{display:none;pointer-events:auto;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 18px 40px -18px rgba(14,32,56,.3);padding:10px}
.nav-mobile.is-open{display:block}
.nav-mobile a{display:flex;align-items:center;height:46px;padding:0 16px;border-radius:14px;color:var(--text);font-size:15px}
.nav-mobile a:hover,.nav-mobile a.is-active{background:var(--soft);color:var(--brand);font-weight:600}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(27,90,214,.28)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(27,90,214,.9)}
.btn-primary:hover{background:var(--brand-dark);box-shadow:0 14px 26px -14px rgba(27,90,214,1)}
.btn-accent{background:var(--warn);color:#fff;box-shadow:0 10px 22px -14px rgba(242,118,42,.9)}
.btn-accent:hover{background:#DC6519}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{background:var(--soft);border-color:rgba(27,90,214,.3)}
.btn:active{transform:translateY(1px)}
.btn:disabled{background:#D5DDEA;color:#93A2BA;cursor:not-allowed;box-shadow:none}
.text-link{color:var(--brand);font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:color .18s var(--ease)}
.text-link:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:var(--radius-badge);
  background:var(--accent-soft);color:#0E8079;font-size:12.5px;font-weight:600;letter-spacing:.2px;
}
.badge-blue{background:var(--soft);color:var(--brand)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);font-size:12.5px;
}

/* ============ Hero ============ */
.hero{
  position:relative;padding-top:132px;padding-bottom:72px;
  background-image:linear-gradient(90deg,rgba(245,248,253,.97) 0%,rgba(245,248,253,.88) 40%,rgba(245,248,253,.36) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
@media (min-width:768px){.hero{padding-top:152px;padding-bottom:88px;min-height:600px;display:flex;align-items:center}}
.hero-grid{display:grid;gap:36px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.1fr .9fr;gap:48px}}
.hero h1{font-size:32px;font-weight:700;letter-spacing:-.5px;color:var(--text)}
@media (min-width:768px){.hero h1{font-size:42px}}
@media (min-width:1024px){.hero h1{font-size:52px;line-height:1.18}}
.hero-sub{margin-top:18px;font-size:16.5px;color:var(--muted);max-width:640px}
.hero-cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
.hero-points{margin-top:36px;display:grid;gap:14px;grid-template-columns:1fr}
@media (min-width:640px){.hero-points{grid-template-columns:repeat(3,1fr)}}
.hero-point{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.hero-point svg{flex:0 0 20px}
.hero-visual{position:relative}
.hero-visual img{border-radius:22px;box-shadow:var(--shadow-card);border:1px solid var(--line);width:100%;height:280px;object-fit:cover}
@media (min-width:1024px){.hero-visual img{height:360px}}
.hero-float{
  position:absolute;left:-12px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:14px 18px;box-shadow:var(--shadow-card);display:flex;gap:12px;align-items:center;
}
@media (min-width:640px){.hero-float{left:-24px}}
.hero-float strong{font-size:22px;color:var(--brand);font-variant-numeric:tabular-nums}
.hero-float span{font-size:12.5px;color:var(--faint);display:block}

/* ============ 区块 ============ */
.section{padding-top:56px;padding-bottom:56px}
@media (min-width:768px){.section{padding-top:72px;padding-bottom:72px}}
@media (min-width:1024px){.section{padding-top:88px;padding-bottom:88px}}
.section-head{max-width:760px}
.section-head h2{font-size:26px;font-weight:600;letter-spacing:-.3px}
@media (min-width:768px){.section-head h2{font-size:30px}}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px}
.section-soft{background:var(--soft)}
.section-white{background:#fff}

/* ============ 痛点 ============ */
.pain-grid{display:grid;gap:20px;margin-top:36px}
@media (min-width:1024px){.pain-grid{grid-template-columns:1fr 1fr;gap:40px;align-items:start}}
.pain-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;
  box-shadow:var(--shadow-card);
}
.pain-main h3{font-size:20px;color:var(--text)}
.pain-main p{margin-top:12px;color:var(--muted);font-size:15px}
.pain-list{display:grid;gap:12px}
.pain-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:16px 18px;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.pain-item:hover{border-color:rgba(27,90,214,.3);transform:translateY(-3px);box-shadow:var(--shadow-card)}
.pain-num{
  flex:0 0 28px;width:28px;height:28px;border-radius:9px;background:var(--accent-soft);color:#0E8079;
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.pain-item span{font-size:15px;color:var(--text)}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(27,90,214,.3)}
.card-cover{overflow:hidden;border-radius:var(--radius-img);margin:20px 20px 0}
.card-cover img{width:100%;height:180px;object-fit:cover;border-radius:var(--radius-img);transition:transform .2s var(--ease)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 24px 24px}
.card-body h3{font-size:18px;color:var(--text)}
.card-body p{margin-top:10px;font-size:14.5px;color:var(--muted)}
.card-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--faint)}
.solution-grid{display:grid;gap:24px;margin-top:36px}
@media (min-width:1024px){.solution-grid{grid-template-columns:1.35fr 1fr 1fr;align-items:start}}
.solution-wide{display:grid;gap:0}
@media (min-width:640px){.solution-wide{grid-template-columns:1.05fr .95fr}}
.solution-wide .solution-text{padding:28px}
.solution-wide .solution-media{position:relative;min-height:220px}
.solution-wide .solution-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.solution-offset{margin-top:0}
@media (min-width:1024px){.solution-offset{margin-top:-24px}}
.solution-list{margin-top:14px;display:grid;gap:8px}
.solution-list li{position:relative;padding-left:18px;font-size:14px;color:var(--muted)}
.solution-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ============ 数据 ============ */
.stats{display:grid;grid-template-columns:repeat(2,1fr);margin-top:40px;border-top:1px solid var(--line)}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{padding:26px 20px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.stats .stat:nth-child(2n){border-right:none}
@media (min-width:1024px){
  .stat{border-bottom:none}
  .stats .stat:nth-child(2n){border-right:1px solid var(--line)}
  .stats .stat:last-child{border-right:none}
}
.stat strong{display:block;font-size:42px;font-weight:700;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-1px}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--faint)}

/* ============ CTA 横条 ============ */
.cta-bar{
  display:flex;flex-direction:column;gap:20px;align-items:flex-start;
  background:linear-gradient(120deg,#12419E 0%,#1B5AD6 58%,#14A79B 100%);
  border-radius:24px;padding:32px;
  box-shadow:0 24px 50px -28px rgba(18,65,158,.85);
}
@media (min-width:768px){.cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 40px}}
.cta-bar h2{color:#fff;font-size:24px}
@media (min-width:768px){.cta-bar h2{font-size:28px}}
.cta-bar p{margin-top:10px;color:rgba(255,255,255,.82);font-size:14.5px;max-width:620px}

/* ============ 资讯列表 ============ */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px}
.news-grid{display:grid;gap:20px;margin-top:36px}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.news-card{display:flex;flex-direction:column;height:100%}
.news-card .card-body{display:flex;flex-direction:column;flex:1}
.news-title{
  font-size:16.5px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  margin-top:10px;font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--faint)}
.empty-state{
  margin-top:36px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state svg{color:var(--faint)}
.empty-state p{color:var(--muted);font-size:15px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:12px;margin-top:36px}
@media (min-width:1024px){.faq-wrap{grid-template-columns:1fr 1fr;gap:14px 20px;align-items:start}}
.faq{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.faq:hover{border-color:rgba(27,90,214,.3)}
.faq[open]{background:var(--bg)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--text);
}
.faq summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;background:var(--soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;font-weight:600;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq[open] .faq-icon{transform:rotate(45deg);background:var(--accent-soft);color:#0E8079}
.faq-body{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.8}

/* ============ 页脚 ============ */
.footer{background:#0E2038;color:#B9C7DC;padding-top:64px;margin-top:8px}
.footer-grid{display:grid;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700}
.footer p{font-size:13.5px;color:#8FA2BF;margin-top:14px;line-height:1.8}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:#B9C7DC;transition:color .18s var(--ease)}
.footer-links a:hover{color:#38D0C4}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.09);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:#7E92B0;
}
.privacy-note{
  margin-top:14px;font-size:12.5px;color:var(--faint);line-height:1.7;
  background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 14px;
}
.footer .privacy-note{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1);color:#8FA2BF}

/* ============ 表单 / 弹层 ============ */
.field{margin-top:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:8px}
.field label .req{color:var(--warn)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-input);background:#fff;
  padding:0 14px;height:48px;font-size:14.5px;color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;padding:12px 14px;min-height:104px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,90,214,.16);
}
.field .err{display:none;margin-top:6px;font-size:12.5px;color:#D8433B}
.field.has-error input,.field.has-error select{border-color:#D8433B}
.field.has-error .err{display:block}
.check-row{margin-top:18px;display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--muted);line-height:1.7}
.check-row input{width:18px;height:18px;flex:0 0 18px;margin-top:2px;accent-color:var(--brand)}
.form-actions{margin-top:20px}
.modal{position:fixed;inset:0;z-index:90;display:none}
.modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(9,26,51,.55);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.modal-panel{
  position:relative;width:min(540px,calc(100% - 32px));margin:6vh auto;background:#fff;border-radius:20px;
  padding:28px;max-height:86vh;overflow:auto;box-shadow:0 30px 70px -30px rgba(9,26,51,.7);
}
@media (max-width:639px){
  .modal-panel{position:absolute;left:0;right:0;bottom:0;top:auto;margin:0;width:100%;border-radius:20px 20px 0 0;max-height:92vh}
}
.modal-close{
  position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;color:var(--muted);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.modal-close:hover{background:var(--soft);color:var(--brand)}
.modal-panel h3{font-size:21px;padding-right:48px}
.modal-panel .modal-sub{margin-top:10px;font-size:14px;color:var(--muted)}
.form-success{display:none;margin-top:16px;padding:14px 16px;border-radius:12px;background:var(--accent-soft);color:#0E8079;font-size:14px}
.form-success.is-open{display:block}

/* roulang page: article */
:root{
  --primary:#1B5AD6;
  --primary-dark:#12419E;
  --accent:#14A79B;
  --accent-soft:#E6F5F3;
  --orange:#F2762A;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --soft:#EDF3FB;
  --text:#0E2038;
  --text-2:#55688A;
  --text-3:#8A9AB5;
  --border:#E1E9F4;
  --radius-card:18px;
  --radius-pill:999px;
  --radius-input:12px;
  --radius-badge:8px;
  --shadow-card:0 1px 2px rgba(14,32,56,.04),0 14px 34px -16px rgba(14,32,56,.16);
  --shadow-card-hover:0 2px 6px rgba(14,32,56,.06),0 22px 48px -18px rgba(14,32,56,.24);
  --shadow-nav:0 8px 24px -12px rgba(14,32,56,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:14px;
  left:50%;
  transform:translateX(-50%);
  width:min(1160px,calc(100% - 32px));
  z-index:60;
  transition:top .22s var(--ease);
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
  padding:0 14px 0 18px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(225,233,244,.9);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-nav);
  transition:background .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.95);
  box-shadow:0 12px 32px -14px rgba(14,32,56,.3);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.brand-text{
  font-size:15px;font-weight:700;letter-spacing:-.2px;
  line-height:1.2;color:var(--text);white-space:nowrap;
}
.nav-links{display:none;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;
  font-size:14px;color:var(--text-2);
  border-radius:var(--radius-pill);
  transition:background .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{background:var(--soft);color:var(--primary)}
.nav-link.is-active{background:var(--soft);color:var(--primary);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-links + .nav-actions{margin-left:12px}
.nav-toggle{
  width:44px;height:44px;border-radius:var(--radius-pill);
  border:1px solid var(--border);background:#fff;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .18s var(--ease);
}
.nav-toggle:hover{background:var(--soft)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  display:none;
  margin-top:10px;
  background:rgba(255,255,255,.98);
  border:1px solid var(--border);
  border-radius:20px;
  box-shadow:var(--shadow-nav);
  padding:10px;
  backdrop-filter:blur(12px);
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;align-items:center;
  min-height:44px;padding:0 16px;
  border-radius:14px;font-size:15px;color:var(--text-2);
}
.mobile-panel a:hover{background:var(--soft);color:var(--primary)}
.mobile-panel a.is-active{background:var(--soft);color:var(--primary);font-weight:600}
@media(min-width:1024px){
  .nav-links{display:flex}
  .nav-toggle{display:none}
  .mobile-panel{display:none !important}
  .nav-actions{margin-left:auto}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;
  font-size:15px;font-weight:600;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),transform .12s var(--ease),border-color .18s var(--ease);
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(27,90,214,.28)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px -12px rgba(242,118,42,.7)}
.btn-primary:hover{background:#dd6619;box-shadow:0 14px 30px -12px rgba(242,118,42,.8)}
.btn-solid{background:var(--primary);color:#fff}
.btn-solid:hover{background:var(--primary-dark)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--border)}
.btn-outline:hover{background:var(--soft);border-color:rgba(27,90,214,.3)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

.link-more{
  font-size:14px;font-weight:600;color:var(--primary);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.link-more:hover{color:var(--primary-dark)}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:112px 0 0}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:12.5px;color:var(--text-3);
}
.breadcrumb a{color:var(--text-3);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C6D2E6}
.breadcrumb .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:26px 0 0}
.article-head-inner{max-width:900px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-badge);
  font-size:12.5px;font-weight:600;line-height:1.4;
}
.badge-accent{background:var(--accent-soft);color:#0E7C72}
.badge-soft{background:var(--soft);color:var(--primary)}
.article-head h1{
  margin-top:18px;
  font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.5px;
  color:var(--text);
}
@media(min-width:640px){.article-head h1{font-size:36px}}
@media(min-width:1024px){.article-head h1{font-size:44px}}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;
  margin-top:20px;padding-bottom:22px;
  border-bottom:1px solid var(--border);
  font-size:13px;color:var(--text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D2E6}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:40px;
  padding:34px 0 0;
  max-width:900px;
  margin:0 auto;
}
@media(min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 240px;max-width:1160px}
}
.article-body{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:26px 22px 34px;
  font-size:17px;
  line-height:1.9;
  color:#22334D;
  overflow:hidden;
}
@media(min-width:640px){.article-body{padding:34px 32px 42px}}
@media(min-width:1024px){.article-body{padding:42px 46px 52px}}
.article-body h2{
  position:relative;
  margin:34px 0 14px;
  padding-left:16px;
  font-size:24px;font-weight:600;line-height:1.5;
  color:var(--text);
}
@media(min-width:1024px){.article-body h2{font-size:28px}}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--primary);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{
  margin:26px 0 10px;
  font-size:20px;font-weight:600;line-height:1.5;color:var(--text);
}
.article-body p{margin:0 0 1.1em}
.article-body strong{color:var(--text);font-weight:600}
.article-body a{
  color:var(--accent);
  text-decoration:underline;text-underline-offset:4px;
  transition:color .18s var(--ease);
}
.article-body a:hover{color:var(--primary)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:26px;margin-bottom:10px;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:13px;
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);opacity:.85;
}
.article-body ol{counter-reset:olc}
.article-body ol li{counter-increment:olc}
.article-body ol li::before{
  content:counter(olc);
  position:absolute;left:0;top:3px;
  width:20px;height:20px;border-radius:6px;
  background:var(--accent-soft);color:#0E7C72;
  font-size:12.5px;font-weight:700;line-height:20px;text-align:center;
}
.article-body blockquote{
  margin:22px 0;
  padding:16px 20px;
  background:var(--soft);
  border-left:3px solid var(--accent);
  border-radius:12px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  border-radius:16px;
  margin:22px auto;
  max-width:100%;
  height:auto;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;
  font-size:15px;border:1px solid var(--border);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;
}
.article-body th{background:var(--soft);color:var(--text);font-weight:600}
.article-body tr:last-child td{border-bottom:none}
.article-body hr{border:none;border-top:1px solid var(--border);margin:30px 0}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  padding:56px 20px 60px;
  background:var(--card);
  border:1px dashed var(--border);
  border-radius:var(--radius-card);
}
.empty-state .icon{
  width:56px;height:56px;margin:0 auto 16px;
  border-radius:16px;background:var(--soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
}
.empty-state h2{font-size:20px;font-weight:600;margin-bottom:8px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.article-aside{display:none}
@media(min-width:1280px){
  .article-aside{display:block}
  .aside-inner{position:sticky;top:104px;display:flex;flex-direction:column;gap:16px}
}
.aside-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:20px;
}
.aside-card h3{
  font-size:15px;font-weight:600;color:var(--text);margin-bottom:12px;
  padding-bottom:10px;border-bottom:1px solid var(--border);
}
.aside-links{display:flex;flex-direction:column;gap:2px}
.aside-links a{
  display:block;padding:9px 10px;border-radius:10px;
  font-size:13.5px;color:var(--text-2);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.aside-links a:hover{background:var(--soft);color:var(--primary)}

/* ---------- 相关推荐 ---------- */
.related{margin-top:56px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:18px;
  margin-bottom:24px;
}
.section-head h2{
  font-size:26px;font-weight:600;letter-spacing:-.3px;line-height:1.4;
}
@media(min-width:1024px){.section-head h2{font-size:30px}}
.section-head p{font-size:14px;color:var(--text-2);margin-top:8px}
.related-rail{
  display:grid;grid-auto-flow:column;
  grid-auto-columns:82%;
  gap:20px;
  overflow-x:auto;
  padding-bottom:12px;
  scroll-snap-type:x mandatory;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.related-rail::-webkit-scrollbar{display:none}
@media(min-width:768px){
  .related-rail{grid-auto-flow:row;grid-auto-columns:auto;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible;padding-bottom:0}
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  scroll-snap-align:start;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(27,90,214,.3)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--soft)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--text)}
.card-body p{font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--border);
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 返回 / CTA ---------- */
.back-row{display:flex;justify-content:center;margin-top:34px}
.cta-band{margin-top:64px}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:22px;
  background:linear-gradient(120deg,var(--primary-dark),var(--primary) 62%,#1E7FD0);
  color:#fff;
  padding:34px 26px;
  display:flex;flex-direction:column;gap:22px;
  box-shadow:0 26px 60px -28px rgba(18,65,158,.6);
}
@media(min-width:768px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:40px 44px}
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-70px;width:240px;height:240px;
  border-radius:50%;background:rgba(20,167,155,.28);filter:blur(6px);
}
.cta-inner h2{font-size:24px;font-weight:600;line-height:1.45;position:relative;z-index:1}
@media(min-width:1024px){.cta-inner h2{font-size:28px}}
.cta-inner p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.84);max-width:520px;position:relative;z-index:1}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.footer{margin-top:88px;background:#0E2038;color:#C6D2E6}
.footer .container{padding-top:56px;padding-bottom:22px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:15px;font-weight:700}
.footer-brand .brand-mark{background:linear-gradient(135deg,#2A72F0,#14A79B)}
.footer p{font-size:13.5px;line-height:1.8;color:#93A6C4;margin-top:14px;max-width:360px}
.privacy-note{
  margin-top:16px;padding:12px 14px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:12px;
  font-size:12.5px;line-height:1.75;color:#8FA3C2;
}
.footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{
  display:inline-block;padding:7px 0;font-size:13.5px;color:#93A6C4;
  transition:color .18s var(--ease);
}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;
  margin-top:42px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:12.5px;color:#7E8FAE;
}

/* roulang page: category1 */
:root{
  --brand:#1B5AD6;
  --brand-dark:#12419E;
  --accent:#14A79B;
  --accent-soft:#E6F5F3;
  --warm:#F2762A;
  --warm-dark:#DD6620;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --soft:#EDF3FB;
  --ink:#0E2038;
  --ink-2:#55688A;
  --ink-3:#8A9AB5;
  --line:#E1E9F4;
  --danger:#D64545;
  --radius-card:18px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(14,32,56,.04),0 14px 34px -16px rgba(14,32,56,.16);
  --shadow-hover:0 2px 6px rgba(14,32,56,.06),0 24px 46px -18px rgba(14,32,56,.26);
  --shadow-pill:0 8px 24px -12px rgba(14,32,56,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:112px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;border-radius:16px;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(27,90,214,.28);outline-offset:2px;border-radius:8px;}
::selection{background:rgba(27,90,214,.16);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:640px){.container{padding:0 24px;}}
@media(min-width:1280px){.container{padding:0 32px;}}

.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:72px 0;}}
@media(min-width:1280px){.section{padding:88px 0;}}

/* ---------------- 悬浮胶囊导航 ---------------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  pointer-events:none;
}
.nav-pill{
  pointer-events:auto;
  position:relative;
  width:min(1160px,calc(100% - 32px));
  margin:0 auto;
  min-height:64px;
  display:flex;align-items:center;gap:14px;
  padding:8px 10px 8px 18px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(225,233,244,.92);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-pill);
  transition:background .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled .nav-pill{
  background:rgba(255,255,255,.96);
  box-shadow:0 14px 32px -14px rgba(14,32,56,.32);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 6px 14px -6px rgba(27,90,214,.65);
}
.brand-name{font-size:15.5px;font-weight:700;letter-spacing:-.2px;white-space:nowrap;color:var(--ink);}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14.5px;color:var(--ink-2);white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-link:hover{background:var(--soft);color:var(--brand);}
.nav-link.is-active{background:var(--soft);color:var(--brand);font-weight:600;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-blue{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(27,90,214,.95);}
.btn-blue:hover{background:var(--brand-dark);box-shadow:0 14px 26px -14px rgba(27,90,214,1);}
.btn-warm{background:var(--warm);color:#fff;box-shadow:0 12px 24px -14px rgba(242,118,42,.95);}
.btn-warm:hover{background:var(--warm-dark);box-shadow:0 16px 28px -14px rgba(242,118,42,1);transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand);}
.btn-ghost:hover{background:var(--soft);border-color:rgba(27,90,214,.32);}
.btn[disabled]{background:#C8D3E4;color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}
.nav-cta{flex:0 0 auto;height:44px;padding:0 20px;font-size:14.5px;}

.nav-toggle{
  display:none;flex:0 0 auto;
  width:44px;height:44px;border-radius:14px;
  place-items:center;gap:5px;
  background:var(--soft);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.nav-mobile{
  pointer-events:auto;
  display:none;
  width:min(1160px,calc(100% - 32px));
  margin:10px auto 0;
  padding:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:0 20px 40px -20px rgba(14,32,56,.35);
  flex-direction:column;gap:4px;
}
.nav-mobile.is-open{display:flex;}
.nav-mobile .nav-link{display:flex;align-items:center;min-height:44px;font-size:15px;}
.nav-mobile-cta{width:100%;margin-top:8px;}

@media(max-width:1023px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
}

/* ---------------- 面包屑 ---------------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-3);margin-bottom:22px;}
.breadcrumb a{color:var(--ink-3);transition:color .18s var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.crumb-sep{color:#C3D0E3;}
.crumb-current{color:var(--ink-2);font-weight:600;}

/* ---------------- 页面顶部横幅 ---------------- */
.page-banner{
  position:relative;
  padding:140px 0 64px;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center right;
  overflow:hidden;
}
.page-banner::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(245,248,253,.97) 0%,rgba(245,248,253,.9) 42%,rgba(245,248,253,.42) 100%);
}
.banner-inner{position:relative;z-index:1;}
.banner-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media(min-width:1024px){.banner-grid{grid-template-columns:1.12fr .88fr;gap:48px;}}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:8px;
  background:var(--accent-soft);color:#0E7C73;
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
}
.banner-copy h1{
  margin-top:16px;
  font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.5px;
}
@media(min-width:640px){.banner-copy h1{font-size:38px;}}
@media(min-width:1024px){.banner-copy h1{font-size:46px;line-height:1.22;}}
.banner-lead{margin-top:18px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:640px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

.banner-card{
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px;
  box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.banner-card-title{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.banner-points li{
  display:flex;gap:10px;
  font-size:14.5px;color:var(--ink-2);
  padding:11px 0;
  border-bottom:1px dashed var(--line);
}
.banner-points li:last-child{border-bottom:0;padding-bottom:0;}
.point-dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  margin-top:9px;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(20,167,155,.16);
}

/* ---------------- 目录 + 内容卡片 版式 ---------------- */
.cat1-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:start;}
@media(min-width:1024px){.cat1-grid{grid-template-columns:284px 1fr;gap:30px;}}

.toc{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-card);
}
@media(min-width:1024px){.toc{position:sticky;top:104px;}}
.toc-title{font-size:13px;font-weight:700;letter-spacing:1px;color:var(--ink-3);margin-bottom:14px;}
.toc-list{display:flex;gap:12px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
.toc-list::-webkit-scrollbar{height:0;}
.toc-list li{flex:1 0 auto;}
.toc-link{
  display:block;
  padding:9px 14px;border:1px solid var(--line);border-radius:var(--radius-pill);
  font-size:13.5px;color:var(--ink-2);white-space:nowrap;
  transition:all .18s var(--ease);
}
.toc-link:hover{color:var(--brand);border-color:rgba(27,90,214,.32);}
.toc-link.is-active{background:var(--soft);color:var(--brand);border-color:rgba(27,90,214,.28);font-weight:600;}
@media(min-width:1024px){
  .toc-title{display:block;}
  .toc-list{display:block;overflow:visible;padding-bottom:0;}
  .toc-list li{margin-bottom:4px;}
  .toc-link{
    border:0;border-left:3px solid transparent;border-radius:10px;
    padding:10px 12px;font-size:14px;white-space:normal;
  }
  .toc-link.is-active{border-left-color:var(--brand);background:var(--soft);}
}
.toc-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--ink-3);line-height:1.7;
}
@media(max-width:1023px){.toc-foot{display:none;}}

.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-card);
  margin-bottom:22px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
@media(min-width:640px){.panel{padding:28px;}}
.panel:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(27,90,214,.22);}
.panel:last-of-type{margin-bottom:0;}
.panel-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;}
.panel-head h2{font-size:21px;font-weight:700;letter-spacing:-.2px;}
@media(min-width:1024px){.panel-head h2{font-size:23px;}}
.panel-desc{font-size:15px;color:var(--ink-2);line-height:1.85;}

.check-list{margin-top:8px;}
.check-list li{display:flex;gap:14px;padding:15px 0;border-bottom:1px dashed var(--line);}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-num{
  flex:0 0 30px;width:30px;height:30px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--soft);color:var(--brand);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.check-body strong{display:block;font-size:15.5px;font-weight:600;margin-bottom:4px;}
.check-body span{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

.media-split{display:grid;gap:22px;margin-top:18px;}
@media(min-width:768px){.media-split{grid-template-columns:1.05fr .95fr;align-items:center;gap:28px;}}
.media-split img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;}
.media-caption{margin-top:10px;font-size:12.5px;color:var(--ink-3);}

.step-list{margin-top:12px;}
.step-list li{
  display:flex;gap:16px;
  padding:16px 0;border-top:1px solid var(--line);
}
.step-list li:first-child{border-top:0;padding-top:4px;}
.step-num{
  flex:0 0 40px;
  font-size:22px;font-weight:700;line-height:1.4;
  color:var(--accent);font-variant-numeric:tabular-nums;
}
.step-body strong{display:block;font-size:15.5px;font-weight:600;margin-bottom:4px;}
.step-body span{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

.trouble-list{margin-top:10px;}
.trouble-row{
  display:grid;grid-template-columns:1fr;gap:6px;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.trouble-row:last-child{border-bottom:0;padding-bottom:0;}
@media(min-width:768px){.trouble-row{grid-template-columns:238px 1fr;gap:24px;align-items:start;}}
.trouble-q{font-size:15px;font-weight:600;color:var(--ink);}
.trouble-a{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

.tip-grid{display:grid;gap:16px;margin-top:16px;}
@media(min-width:640px){.tip-grid{grid-template-columns:repeat(2,1fr);}}
.tip-card{
  border:1px solid var(--line);border-radius:14px;
  padding:18px;background:#FBFDFF;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.tip-card:hover{border-color:rgba(20,167,155,.4);background:#F7FCFB;}
.tip-card h3{font-size:15px;font-weight:700;margin-bottom:6px;}
.tip-card p{font-size:14px;color:var(--ink-2);line-height:1.78;}

.tip-lines{margin-top:10px;}
.tip-lines li{
  display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--ink-2);line-height:1.8;
}
.tip-lines li:last-child{border-bottom:0;padding-bottom:0;}
.tip-key{flex:0 0 auto;font-weight:600;color:var(--ink);}

/* ---------------- FAQ ---------------- */
.faq-head{max-width:720px;margin-bottom:28px;}
.faq-head h2{font-size:26px;font-weight:700;letter-spacing:-.3px;}
@media(min-width:1024px){.faq-head h2{font-size:31px;}}
.faq-head p{margin-top:12px;font-size:16px;color:var(--ink-2);line-height:1.85;}
.faq-grid{display:grid;gap:12px;}
@media(min-width:1024px){.faq-grid{grid-template-columns:repeat(2,1fr);gap:14px 24px;}}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(27,90,214,.28);}
.faq-item.is-open{background:var(--bg);border-color:rgba(27,90,214,.26);box-shadow:0 12px 28px -18px rgba(14,32,56,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;
  display:grid;place-items:center;
  background:var(--soft);color:var(--brand);
  font-size:17px;line-height:1;font-weight:500;
  transition:transform .26s var(--ease),background .26s var(--ease),color .26s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------------- CTA 横条 ---------------- */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:32px 28px;
  border-radius:24px;
  background:linear-gradient(118deg,var(--brand) 0%,var(--brand-dark) 62%,#0D347F 100%);
  box-shadow:0 26px 52px -28px rgba(18,65,158,.85);
  color:#fff;
}
@media(min-width:1024px){.cta-bar{padding:40px 44px;}}
.cta-copy{max-width:660px;}
.cta-copy h2{font-size:23px;font-weight:700;letter-spacing:-.2px;}
@media(min-width:1024px){.cta-copy h2{font-size:27px;}}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);}

/* ---------------- 相关分区胶囊 ---------------- */
.strip-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  padding:22px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.strip-title{font-size:14px;font-weight:600;color:var(--ink-2);}
.pill-group{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  font-size:14px;color:var(--ink-2);
  transition:all .18s var(--ease);
}
.pill:hover{background:var(--soft);border-color:rgba(27,90,214,.32);color:var(--brand);transform:translateY(-1px);}

/* ---------------- 表单与弹层 ---------------- */
.modal-mask{
  position:fixed;inset:0;z-index:120;
  display:none;align-items:center;justify-content:center;
  padding:24px;
  background:rgba(9,26,51,.55);
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
}
.modal-mask.is-open{display:flex;}
.modal-panel{
  position:relative;
  width:100%;max-width:540px;
  max-height:90vh;overflow-y:auto;
  background:#fff;border-radius:20px;
  padding:28px 24px;
  box-shadow:0 40px 80px -30px rgba(6,20,42,.6);
}
@media(min-width:640px){.modal-panel{padding:32px;}}
.modal-close{
  position:absolute;top:12px;right:12px;
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  color:var(--ink-3);font-size:20px;line-height:1;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.modal-close:hover{background:var(--soft);color:var(--brand);}
.modal-panel h2{font-size:21px;font-weight:700;letter-spacing:-.2px;}
.modal-sub{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.8;}

.form-grid{margin-top:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px;}
.req{color:var(--warm);}
.control{
  width:100%;height:48px;
  border:1px solid var(--line);border-radius:12px;
  padding:0 14px;background:#fff;
  font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.control::placeholder{color:#A9B7CD;}
textarea.control{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
select.control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,90,214,.16);}
.control.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.12);}
.error-text{display:none;margin-top:6px;font-size:12.5px;color:var(--danger);}

.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);line-height:1.7;margin:4px 0 18px;}
.consent input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto;}
.privacy-note{
  margin-top:14px;padding:14px 16px;
  background:var(--soft);border-radius:12px;
  font-size:12.5px;line-height:1.75;color:var(--ink-2);
}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.form-actions .btn{width:100%;}
@media(min-width:520px){.form-actions .btn{width:auto;min-width:168px;}}
.form-hint{font-size:12.5px;color:var(--ink-3);}
.form-success{
  display:none;align-items:center;gap:10px;
  margin-top:16px;padding:14px 16px;
  background:var(--accent-soft);border-radius:12px;
  font-size:13.5px;color:#0E7C73;font-weight:600;
}

/* ---------------- 页脚 ---------------- */
.footer{background:#0E2038;color:#C6D3E6;padding:56px 0 26px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:14px;}
.footer p{font-size:13.5px;line-height:1.8;color:#9FB2CC;max-width:360px;}
.footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:#9FB2CC;transition:color .18s var(--ease);}
.footer-links a:hover{color:#3FD2C4;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(198,211,230,.16);
  font-size:12.5px;color:#7A8FAD;
}
.footer .privacy-note{background:rgba(255,255,255,.06);color:#9FB2CC;margin-top:16px;}

@media(max-width:639px){
  .page-banner{padding:122px 0 48px;}
  .brand-name{font-size:13.5px;}
  .banner-actions .btn{flex:1 1 100%;}
  .cta-bar{padding:26px 22px;border-radius:20px;}
}

/* roulang page: category2 */
:root{
  --brand:#1B5AD6;
  --brand-dark:#12419E;
  --teal:#14A79B;
  --teal-deep:#0F8B81;
  --accent:#F2762A;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --soft:#EDF3FB;
  --ink:#0E2038;
  --ink-2:#55688A;
  --ink-3:#8A9AB5;
  --line:#E1E9F4;
  --r-card:18px;
  --r-input:12px;
  --r-badge:8px;
  --shadow-card:0 1px 2px rgba(14,32,56,.04),0 14px 34px -16px rgba(14,32,56,.16);
  --shadow-hover:0 2px 6px rgba(14,32,56,.06),0 22px 46px -18px rgba(14,32,56,.24);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap-section:88px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
a,button,.btn,.card,.check-card,.faq-item{transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);}
:focus-visible{outline:3px solid rgba(27,90,214,.28);outline-offset:2px;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.3px;}
p{margin:0;}
ul{margin:0;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.tabular{font-variant-numeric:tabular-nums;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:70;
  display:flex;justify-content:center;padding:0 16px;
}
.nav-shell{
  position:relative;
  width:min(1160px,100%);
  min-height:64px;
  display:flex;align-items:center;gap:16px;
  padding:8px 10px 8px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(225,233,244,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 8px 24px -12px rgba(14,32,56,.22);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.96);
  box-shadow:0 14px 32px -14px rgba(14,32,56,.32);
}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:linear-gradient(135deg,#1B5AD6 0%,#14A79B 100%);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;letter-spacing:0;
}
.brand-text{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:999px;font-size:14.5px;color:var(--ink-2);white-space:nowrap;
}
.nav-link:hover{background:var(--soft);color:var(--brand);}
.nav-link.is-active{background:var(--soft);color:var(--brand);font-weight:600;}
.nav-cta{flex:0 0 auto;height:44px;padding:0 20px;font-size:14.5px;}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 44px;border:1px solid var(--line);
  background:#fff;border-radius:14px;cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -12px rgba(242,118,42,.72);}
.btn-primary:hover{background:#e0651c;box-shadow:0 16px 28px -12px rgba(242,118,42,.82);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--brand);}
.btn-secondary:hover{background:var(--soft);border-color:rgba(27,90,214,.3);}
.btn-secondary:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:#EDF3FB;box-shadow:0 12px 26px -14px rgba(9,26,51,.6);}
.btn:disabled{background:#C9D4E4;color:#fff;box-shadow:none;cursor:not-allowed;}
.link-more{color:var(--brand);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- 通用区块 ---------- */
.section{padding:var(--gap-section) 0;}
.section--soft{background:var(--soft);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:#E6F5F3;color:var(--teal-deep);font-size:12.5px;font-weight:600;letter-spacing:.4px;
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:600;color:var(--ink);}
.section-head p{margin-top:12px;font-size:16px;color:var(--ink-2);}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-badge);
  background:#E6F5F3;color:var(--teal-deep);font-size:12.5px;font-weight:600;
}
.badge-blue{background:var(--soft);color:var(--brand);}

/* ---------- 首屏横幅 ---------- */
.page-hero{
  position:relative;
  padding:140px 0 76px;
  background-color:var(--bg);
  background-image:linear-gradient(100deg,rgba(245,248,253,.97) 0%,rgba(245,248,253,.92) 34%,rgba(245,248,253,.55) 68%,rgba(245,248,253,.35) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  background-repeat:no-repeat;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--ink-2);}
.page-hero h1{
  font-size:clamp(30px,4.3vw,50px);font-weight:700;letter-spacing:-.5px;
  max-width:800px;margin-top:16px;
}
.hero-lead{max-width:680px;margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-2);}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 28px;list-style:none;padding:0;margin-top:34px;}
.hero-points li{
  position:relative;padding-left:26px;font-size:14.5px;color:var(--ink-2);font-weight:500;
}
.hero-points li::before{
  content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;
  border:2px solid var(--teal);background:rgba(20,167,155,.12);
}

/* ---------- 图文交替条带 ---------- */
.band{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:36px 0;border-top:1px solid var(--line);
}
.band:first-of-type{border-top:none;padding-top:0;}
.band:last-of-type{padding-bottom:0;}
.band-media{
  border-radius:16px;overflow:hidden;box-shadow:var(--shadow-card);
  aspect-ratio:4/3;background:var(--soft);
}
.band-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.band-media:hover img{transform:scale(1.03);}
.band-reverse .band-media{order:2;}
.band-body h3{font-size:clamp(20px,2.1vw,23px);font-weight:600;margin-top:14px;}
.band-body p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--ink-2);}
.point-list{list-style:none;padding:0;margin-top:18px;}
.point-list li{position:relative;padding-left:26px;margin-bottom:10px;font-size:15px;color:var(--ink-2);}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;background:var(--teal);
}
.band-body .link-more{margin-top:20px;}

/* ---------- 自查清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-card);display:flex;gap:14px;align-items:flex-start;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(27,90,214,.3);}
.check-icon{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:#E6F5F3;color:var(--teal-deep);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.check-card h3{font-size:17px;font-weight:600;}
.check-card p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--ink-2);}

/* ---------- 指标 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.metric{padding:32px 24px;border-left:1px solid var(--line);}
.metric:first-child{border-left:none;}
.metric-num{
  font-size:clamp(34px,4vw,46px);font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:-1px;
}
.metric-num span{font-size:16px;font-weight:600;color:var(--ink-3);margin-left:6px;letter-spacing:0;}
.metric p{margin-top:10px;font-size:13px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;align-items:start;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;
}
.faq-item[open]{background:var(--bg);}
.faq-item:hover{border-color:rgba(27,90,214,.28);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0;font-size:16px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-ico{
  width:26px;height:26px;flex:0 0 26px;border-radius:8px;background:var(--soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;
  transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:#E6F5F3;color:var(--teal-deep);}
.faq-a{padding:0 0 20px;font-size:15px;line-height:1.82;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-bar{
  background:linear-gradient(118deg,#12419E 0%,#1B5AD6 58%,#14A79B 135%);
  border-radius:24px;padding:44px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 26px 54px -26px rgba(18,65,158,.6);color:#fff;
}
.cta-bar h2{font-size:clamp(22px,2.4vw,28px);font-weight:600;letter-spacing:-.3px;}
.cta-bar p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:620px;}

/* ---------- 页脚 ---------- */
.footer{background:#0E2038;color:#C7D3E6;margin-top:var(--gap-section);padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:15px;margin-bottom:12px;}
.footer p{font-size:14px;line-height:1.8;color:#A9B8CE;max-width:340px;}
.privacy-note{margin-top:14px;font-size:12.5px;line-height:1.75;color:#8A9AB5;max-width:360px;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-links a{color:#C7D3E6;}
.footer-links a:hover{color:#5CD3C7;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;
  font-size:12.5px;color:#8A9AB5;
}

/* ---------- 弹层与表单 ---------- */
.modal{position:fixed;inset:0;z-index:90;display:none;}
.modal.is-open{display:block;}
.modal-mask{position:absolute;inset:0;background:rgba(9,26,51,.55);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);}
.modal-panel{
  position:relative;width:min(560px,calc(100% - 32px));margin:6vh auto;
  background:#fff;border-radius:20px;padding:30px;
  max-height:88vh;overflow:auto;
  box-shadow:0 30px 70px -24px rgba(9,26,51,.6);
}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px;}
.modal-head h2{font-size:21px;font-weight:600;}
.modal-sub{margin-top:8px;font-size:14px;color:var(--ink-2);}
.modal-close{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);cursor:pointer;font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--soft);color:var(--brand);}
.field{margin-top:16px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;}
.field .req{color:#E14C4C;margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-input);background:#fff;color:var(--ink);
}
.field textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,90,214,.16);
}
.field .hint{font-size:12.5px;color:var(--ink-3);margin-top:6px;}
.consent{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13px;color:var(--ink-2);line-height:1.7;}
.consent input{width:18px;height:18px;flex:0 0 18px;margin-top:2px;accent-color:var(--brand);}
.form-actions{margin-top:20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.form-actions .btn{width:100%;}
.form-note{font-size:12.5px;color:var(--ink-3);}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-input);
  background:#E6F5F3;color:var(--teal-deep);font-size:14px;font-weight:600;
}
.form-success.is-visible{display:block;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--gap-section:72px;}
  .container{padding:0 20px;}
  body{font-size:15.5px;}
  .page-hero{padding:126px 0 64px;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric{border-top:1px solid var(--line);}
  .metric:nth-child(1),.metric:nth-child(2){border-top:none;}
  .metric:nth-child(odd){border-left:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px;
    box-shadow:0 20px 40px -18px rgba(14,32,56,.34);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{height:44px;padding:0 16px;font-size:15px;border-radius:14px;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .brand-text{font-size:14px;line-height:1.25;max-width:150px;}
}
@media (max-width:767px){
  .band{grid-template-columns:1fr;gap:24px;}
  .band-reverse .band-media{order:0;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:34px 26px;}
  .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:639px){
  :root{--gap-section:56px;}
  .container{padding:0 18px;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .page-hero{padding:118px 0 56px;}
  .metric{padding:22px 16px;}
  .modal-panel{
    width:100%;margin:0;position:fixed;left:0;right:0;bottom:0;top:auto;
    max-height:92vh;border-radius:20px 20px 0 0;padding:24px 20px 28px;
  }
}

/* roulang page: category4 */
:root{
  --brand:#1B5AD6;
  --brand-dark:#12419E;
  --accent:#14A79B;
  --accent-deep:#0F8B80;
  --orange:#F2762A;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --soft:#EDF3FB;
  --ink:#0E2038;
  --ink-2:#55688A;
  --ink-3:#8A9AB5;
  --line:#E1E9F4;
  --radius-card:18px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(14,32,56,.04),0 14px 34px -16px rgba(14,32,56,.16);
  --shadow-card-hover:0 18px 42px -18px rgba(14,32,56,.24);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
body .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:640px){body .container{padding:0 24px}}
@media(min-width:1024px){body .container{padding:0 32px}}

/* ---------- 通用组件 ---------- */
.section{padding:56px 0}
@media(min-width:640px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:600;letter-spacing:-.3px;line-height:1.35;margin:10px 0 12px}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.85}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent-deep);letter-spacing:.4px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn:focus-visible{outline:3px solid rgba(27,90,214,.28);outline-offset:2px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(27,90,214,.7)}
.btn-primary:hover{background:var(--brand-dark);box-shadow:0 16px 30px -14px rgba(27,90,214,.75)}
.btn-accent{background:var(--orange);color:#fff;box-shadow:0 12px 26px -14px rgba(242,118,42,.7)}
.btn-accent:hover{background:#dd681f}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand)}
.btn-ghost:hover{background:var(--soft);border-color:rgba(27,90,214,.35)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;box-shadow:none}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:8px;background:#E6F5F3;color:var(--accent-deep);font-size:12.5px;font-weight:600;line-height:1.5}
.tag-pill{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:var(--radius-pill);background:var(--soft);color:var(--brand);font-size:13px;font-weight:600}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:14px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 16px}
.nav-shell{
  width:min(1160px,100%);height:64px;display:flex;align-items:center;gap:16px;
  padding:0 12px 0 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(225,233,244,.9);
  box-shadow:0 8px 24px -12px rgba(14,32,56,.22);
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.96);box-shadow:0 14px 32px -14px rgba(14,32,56,.3)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;font-size:15px;font-weight:700;letter-spacing:0;
}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.2px;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:500;color:var(--ink-2);transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:var(--soft);color:var(--brand)}
.nav-link.is-active{background:var(--soft);color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-pill);
  align-items:center;justify-content:center;color:var(--ink);font-size:17px;
  border:1px solid var(--line);background:#fff;
}
.mobile-panel{display:none}
@media(max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-panel{
    position:absolute;top:76px;left:16px;right:16px;z-index:79;
    flex-direction:column;gap:4px;padding:14px;border-radius:20px;
    background:#fff;border:1px solid var(--line);
    box-shadow:0 22px 48px -20px rgba(14,32,56,.34);
  }
  .mobile-panel.is-open{display:flex}
  .mobile-link{display:flex;align-items:center;height:44px;padding:0 12px;border-radius:12px;font-size:15px;font-weight:500;color:var(--ink-2)}
  .mobile-link:hover,.mobile-link.is-active{background:var(--soft);color:var(--brand);font-weight:600}
  .mobile-panel .btn{margin-top:8px}
}
@media(max-width:479px){
  .brand-text{font-size:13.5px;max-width:132px;white-space:normal;line-height:1.25}
}

/* ---------- 顶部横幅 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:132px 0 64px;
  background-image:linear-gradient(100deg,rgba(245,248,253,.98) 0%,rgba(245,248,253,.92) 42%,rgba(245,248,253,.55) 78%,rgba(245,248,253,.5) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center right;
}
@media(min-width:1024px){.page-hero{padding:168px 0 88px}}
.crumbs{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-3);margin-bottom:16px}
.crumbs a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.crumb-current{color:var(--ink-2)}
.page-hero h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.22;font-weight:700;letter-spacing:-.5px;
  max-width:900px;margin:12px 0 18px;
}
.hero-lead{max-width:720px;font-size:17px;line-height:1.9;color:var(--ink-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* ---------- 疑问速览 ---------- */
.ov-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.ov-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.ov-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.ov-item{padding-top:18px;border-top:2px solid var(--accent)}
.ov-num{font-size:13px;font-weight:700;color:var(--accent-deep);letter-spacing:.6px;font-variant-numeric:tabular-nums}
.ov-item h3{font-size:18px;font-weight:600;margin:8px 0 8px}
.ov-item p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}

/* ---------- 双栏问答卡片 ---------- */
.qa-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:900px){.qa-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
.qa-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.qa-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(27,90,214,.3)}
.qa-top{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.qa-num{
  width:28px;height:28px;border-radius:50%;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:#E6F5F3;color:var(--accent-deep);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.qa-card h3{font-size:19px;font-weight:600;line-height:1.55;margin:0 0 12px;letter-spacing:-.2px}
.qa-card p{font-size:15px;line-height:1.88;color:var(--ink-2)}

/* ---------- 图文自查 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1.05fr .95fr;gap:44px}}
.split-media{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:22px}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.check-dot{
  width:24px;height:24px;border-radius:50%;flex:0 0 auto;margin-top:2px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--brand);font-size:11.5px;font-weight:700;
}
.split-note{
  margin-top:24px;padding:16px 18px;border-radius:14px;background:var(--soft);
  border-left:3px solid var(--accent);font-size:14.5px;line-height:1.85;color:var(--ink-2);
}

/* ---------- CTA 横条 ---------- */
.cta-bar{
  border-radius:22px;padding:32px;
  background:linear-gradient(118deg,#12419E 0%,#1B5AD6 58%,#14A79B 128%);
  color:#fff;display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
  box-shadow:0 26px 52px -26px rgba(18,65,158,.6);
}
.cta-bar h2{font-size:clamp(22px,2.6vw,28px);font-weight:600;margin-bottom:8px;letter-spacing:-.3px}
.cta-bar p{font-size:15px;color:rgba(255,255,255,.86);max-width:640px;line-height:1.8}
@media(max-width:639px){.cta-bar{padding:26px}}

/* ---------- 相关分类胶囊 ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;
  border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line);
  color:var(--brand);font-size:15px;font-weight:600;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.cat-pill:hover{background:var(--soft);border-color:rgba(27,90,214,.35);transform:translateY(-2px);box-shadow:0 12px 26px -16px rgba(14,32,56,.3)}
.cat-pill:focus-visible{outline:3px solid rgba(27,90,214,.28);outline-offset:2px}
.cat-pill i{font-size:13px;color:var(--accent)}

/* ---------- 页脚 ---------- */
.footer{background:#0E2038;color:#c3d2e6;padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:-.2px}
.footer p{font-size:14px;line-height:1.85;color:#a9bcd6;max-width:420px}
.footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:#a9bcd6;transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--accent)}
.privacy-note{
  margin-top:16px;padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  font-size:12.5px;line-height:1.75;color:#93a9c7;max-width:460px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12.5px;color:#8FA3C0;
}

/* ---------- 表单与弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:flex;align-items:center;justify-content:center;padding:20px}
.modal-mask{position:absolute;inset:0;background:rgba(9,26,51,.55);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.modal-panel{
  position:relative;width:min(540px,100%);max-height:90vh;overflow:auto;
  background:#fff;border-radius:20px;padding:28px;
  box-shadow:0 34px 70px -30px rgba(9,26,51,.6);
}
@media(max-width:639px){
  .modal.is-open{align-items:flex-end;padding:0}
  .modal-panel{width:100%;border-radius:20px 20px 0 0;max-height:92vh;padding:24px 20px 28px}
}
.modal-close{
  position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:#F2F6FC;color:var(--ink-2);font-size:16px;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.modal-close:hover{background:var(--soft);color:var(--brand)}
.modal-panel h3{font-size:22px;font-weight:600;margin-bottom:8px;padding-right:44px}
.modal-sub{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px}
.req{color:#e04a3a}
.input,select,textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-input);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  appearance:none;
}
select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2355688A' d='M6 8 0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:38px}
textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,90,214,.15)}
.input.is-error{border-color:#e04a3a;box-shadow:0 0 0 3px rgba(224,74,58,.12)}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.75;color:var(--ink-2);margin:6px 0 14px}
.check-row input[type="checkbox"]{width:18px;height:18px;margin-top:2px;flex:0 0 auto;accent-color:var(--brand)}
.form-hint{font-size:12.5px;color:var(--ink-3);margin-bottom:12px}
.form-hint.is-hidden{display:none}
.form-msg{display:none;margin-top:14px;padding:12px 14px;border-radius:12px;background:#E6F5F3;color:var(--accent-deep);font-size:13.5px;line-height:1.7}
.form-msg.is-open{display:block}
.privacy-text{margin-top:14px;font-size:12.5px;line-height:1.75;color:var(--ink-3)}

/* roulang page: category3 */
:root{
  --primary:#1B5AD6;
  --primary-dark:#12419E;
  --accent:#14A79B;
  --accent-soft:#E6F5F3;
  --orange:#F2762A;
  --orange-dark:#DC6418;
  --bg:#F5F8FD;
  --surface:#FFFFFF;
  --soft:#EDF3FB;
  --ink:#0E2038;
  --ink-2:#55688A;
  --ink-3:#8A9AB5;
  --line:#E1E9F4;
  --card-r:18px;
  --pill-r:999px;
  --input-r:12px;
  --badge-r:8px;
  --img-r:16px;
  --shadow-card:0 1px 2px rgba(14,32,56,.04),0 14px 34px -16px rgba(14,32,56,.16);
  --shadow-card-hover:0 2px 6px rgba(14,32,56,.07),0 24px 46px -18px rgba(14,32,56,.26);
  --shadow-nav:0 8px 24px -12px rgba(14,32,56,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;border:none;background:none;cursor:pointer;}
ul,ol{list-style:none;margin:0;padding:0;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(27,90,214,.28);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1280px){.container{padding:0 32px;}}

/* ============ 顶部胶囊导航 ============ */
.site-header{
  position:fixed;
  top:14px;
  left:0;
  right:0;
  z-index:80;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.nav-wrap{
  width:min(1160px,calc(100% - 32px));
  display:flex;
  flex-direction:column;
  gap:10px;
  pointer-events:auto;
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:64px;
  padding:8px 12px 8px 16px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(225,233,244,.9);
  border-radius:var(--pill-r);
  box-shadow:var(--shadow-nav);
  transition:background .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-shell.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 14px 34px -16px rgba(14,32,56,.34);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:16px;font-weight:700;letter-spacing:0;
}
.brand-name{
  font-size:15px;font-weight:700;line-height:1.25;color:var(--ink);
  letter-spacing:-.2px;
  overflow-wrap:anywhere;
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  display:inline-block;
  padding:9px 14px;
  border-radius:var(--pill-r);
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:var(--soft);color:var(--primary-dark);}
.nav-link.is-active{background:var(--soft);color:var(--primary);font-weight:600;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;
  border-radius:var(--pill-r);
  background:var(--orange);color:#fff;
  font-size:14.5px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 18px -10px rgba(242,118,42,.85);
  transition:background .2s var(--ease),transform .14s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{background:var(--orange-dark);box-shadow:0 12px 24px -10px rgba(242,118,42,.9);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;flex:0 0 44px;
  border-radius:var(--pill-r);
  border:1px solid var(--line);
  background:#fff;color:var(--ink);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-menu{
  display:none;
  flex-direction:column;
  padding:12px;
  background:rgba(255,255,255,.98);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:0 20px 44px -20px rgba(14,32,56,.34);
}
.mobile-menu.is-open{display:flex;}
.mobile-menu a{
  display:flex;align-items:center;
  min-height:44px;padding:0 14px;
  border-radius:14px;
  font-size:15px;color:var(--ink-2);font-weight:500;
}
.mobile-menu a:hover{background:var(--soft);color:var(--primary-dark);}
.mobile-menu a.is-active{background:var(--soft);color:var(--primary);font-weight:600;}
.mobile-menu .nav-cta{margin-top:8px;width:100%;height:46px;}

@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{gap:10px;min-height:60px;}
  .brand-name{font-size:13.5px;max-width:150px;}
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:var(--ink-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-3);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C3CFE0;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:132px 0 68px;
  background-color:var(--bg);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(245,248,253,.97) 0%,rgba(245,248,253,.88) 40%,rgba(245,248,253,.42) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover,cover;
  background-position:center,center;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(245,248,253,0) 62%,rgba(245,248,253,1) 100%);
  z-index:0;
}
.page-hero .container{position:relative;z-index:1;}
.hero-inner{max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--badge-r);
  background:var(--accent-soft);
  color:#0E7A72;
  font-size:13px;font-weight:600;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--accent);
}
.page-hero h1{
  font-size:34px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.5px;
  margin:0 0 16px;
  color:var(--ink);
}
.hero-lead{
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:640px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;
  border-radius:var(--pill-r);
  font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .14s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 12px 26px -14px rgba(242,118,42,.9);}
.btn-primary:hover{background:var(--orange-dark);box-shadow:0 16px 32px -14px rgba(242,118,42,.95);}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid var(--line);}
.btn-secondary:hover{background:var(--soft);border-color:#C9DAF3;}
.btn-ghost{background:var(--primary);color:#fff;box-shadow:0 12px 26px -16px rgba(27,90,214,.9);}
.btn-ghost:hover{background:var(--primary-dark);}
.btn:active{transform:translateY(1px);}
.hero-points{
  display:flex;flex-wrap:wrap;gap:12px 28px;
}
.hero-points li{
  display:flex;align-items:center;gap:9px;
  font-size:14px;color:var(--ink-2);
}
.hero-points svg{width:20px;height:20px;flex:0 0 20px;color:var(--accent);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section--soft{background:var(--soft);}
.section--white{background:var(--surface);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{
  font-size:29px;
  line-height:1.35;
  font-weight:600;
  letter-spacing:-.4px;
  margin:0 0 14px;
}
.section-head p{color:var(--ink-2);font-size:16px;}

/* ============ 总览：左文右列表 ============ */
.overview-grid{
  display:grid;
  grid-template-columns:minmax(0,0.95fr) minmax(0,1.05fr);
  gap:48px;
  align-items:start;
}
.overview-copy h2{
  font-size:29px;line-height:1.35;font-weight:600;letter-spacing:-.4px;margin:0 0 16px;
}
.overview-copy p{color:var(--ink-2);font-size:16px;margin-bottom:16px;}
.overview-copy a.text-link{color:var(--primary);font-weight:600;border-bottom:1px solid rgba(27,90,214,.35);padding-bottom:2px;transition:border-color .2s var(--ease),color .2s var(--ease);}
.overview-copy a.text-link:hover{color:var(--primary-dark);border-color:var(--primary-dark);}
.overview-list{border-top:1px solid var(--line);}
.overview-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.overview-item .num{
  font-size:15px;font-weight:700;color:var(--accent);
  letter-spacing:.06em;font-variant-numeric:tabular-nums;
  padding-top:3px;
}
.overview-item h3{font-size:17.5px;font-weight:600;margin:0 0 6px;}
.overview-item p{font-size:14.5px;color:var(--ink-2);line-height:1.72;}

/* ============ 编号式流程列表 ============ */
.flow-wrap{max-width:960px;}
.flow-list{border-top:1px solid var(--line);}
.flow-item{
  display:grid;
  grid-template-columns:112px minmax(0,1fr);
  gap:30px;
  padding:32px 0;
  border-bottom:1px solid var(--line);
}
.flow-index{
  font-size:48px;
  line-height:1;
  font-weight:700;
  color:var(--accent);
  letter-spacing:-1.5px;
  font-variant-numeric:tabular-nums;
}
.flow-index small{
  display:block;
  margin-top:10px;
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--ink-3);
}
.flow-body h3{
  font-size:21px;
  font-weight:600;
  margin:0 0 10px;
  letter-spacing:-.2px;
}
.flow-body p{
  font-size:15.5px;
  line-height:1.82;
  color:var(--ink-2);
  margin-bottom:14px;
}
.flow-body p a{color:var(--primary);border-bottom:1px solid rgba(27,90,214,.35);}
.flow-body p a:hover{color:var(--primary-dark);}
.flow-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;
  border-radius:var(--badge-r);
  background:var(--accent-soft);
  color:#0E7A72;
  font-size:12.5px;font-weight:600;
  letter-spacing:.02em;
}
.tag--blue{background:var(--soft);color:var(--primary-dark);}
.tag--line{background:#fff;border:1px solid var(--line);color:var(--ink-2);}

/* ============ 深色对照面板 ============ */
.dark-panel{
  background:#0E2038;
  border-radius:24px;
  padding:44px 40px;
  color:#C8D5E8;
  box-shadow:0 26px 60px -30px rgba(14,32,56,.6);
}
.dark-panel h2{
  color:#fff;
  font-size:27px;
  line-height:1.4;
  font-weight:600;
  letter-spacing:-.3px;
  margin:0 0 14px;
  max-width:640px;
}
.dark-panel .panel-lead{
  font-size:15.5px;
  color:#98AAC6;
  max-width:680px;
  margin-bottom:34px;
}
.panel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
}
.panel-col{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.12);
}
.panel-col:first-child{padding-left:0;border-left:none;}
.panel-col:last-child{padding-right:0;}
.panel-col .panel-label{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.08em;
  color:#5FD8CB;
  margin-bottom:12px;
}
.panel-col h3{
  font-size:18px;
  font-weight:600;
  color:#fff;
  margin:0 0 12px;
}
.panel-col ul{display:flex;flex-direction:column;gap:9px;}
.panel-col li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  line-height:1.7;
  color:#B7C6DC;
}
.panel-col li::before{
  content:"";
  position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}

/* ============ 图文条带 ============ */
.split{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:var(--img-r);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.split-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  transition:transform .3s var(--ease);
}
.split-media:hover img{transform:scale(1.03);}
.split-media .media-badge{
  position:absolute;left:16px;bottom:16px;
  padding:6px 14px;
  border-radius:var(--pill-r);
  background:rgba(255,255,255,.92);
  color:var(--primary-dark);
  font-size:12.5px;font-weight:600;
  backdrop-filter:blur(6px);
}
.split-copy h2{
  font-size:28px;line-height:1.36;font-weight:600;letter-spacing:-.4px;margin:0 0 16px;
}
.split-copy > p{color:var(--ink-2);font-size:16px;margin-bottom:22px;}
.device-list{display:flex;flex-direction:column;gap:14px;margin-bottom:24px;}
.device-item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:14px;
  align-items:start;
  padding:16px 18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.device-item:hover{border-color:rgba(27,90,214,.3);box-shadow:var(--shadow-card);transform:translateY(-2px);}
.device-item .dot{
  width:34px;height:34px;flex:0 0 34px;
  border-radius:10px;
  background:var(--soft);
  color:var(--primary);
  display:grid;place-items:center;
  font-size:13px;font-weight:700;
}
.device-item h3{font-size:16px;font-weight:600;margin:0 0 4px;}
.device-item p{font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ============ 自检清单 ============ */
.check-panel{
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:22px;
  padding:40px;
}
.check-head{max-width:680px;margin-bottom:28px;}
.check-head h2{font-size:27px;line-height:1.38;font-weight:600;letter-spacing:-.3px;margin:0 0 12px;}
.check-head p{color:var(--ink-2);font-size:15.5px;}
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px 28px;
}
.check-grid li{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  font-size:14.5px;
  color:var(--ink-2);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.check-grid li:hover{border-color:rgba(20,167,155,.4);box-shadow:0 10px 24px -18px rgba(14,32,56,.4);}
.check-grid svg{width:20px;height:20px;flex:0 0 20px;color:var(--accent);margin-top:2px;}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px 22px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.faq-item.is-open{background:var(--bg);border-color:rgba(27,90,214,.28);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  line-height:1.6;
}
.faq-icon{
  flex:0 0 24px;
  width:24px;height:24px;
  display:grid;place-items:center;
  color:var(--primary);
  font-size:20px;font-weight:400;
  transition:transform .24s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ============ 内链胶囊组 ============ */
.related-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:22px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  margin-bottom:28px;
}
.related-bar .label{
  font-size:13px;font-weight:600;color:var(--ink-3);
  letter-spacing:.04em;
  margin-right:4px;
}
.chip{
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;
  border-radius:var(--pill-r);
  background:var(--soft);
  color:var(--primary-dark);
  font-size:13.5px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),transform .16s var(--ease);
}
.chip:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}

/* ============ CTA 横条 ============ */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:40px 42px;
  border-radius:24px;
  background:linear-gradient(120deg,#12419E 0%,#1B5AD6 52%,#14A79B 120%);
  color:#fff;
  box-shadow:0 30px 60px -32px rgba(18,65,158,.75);
}
.cta-bar h2{
  font-size:26px;line-height:1.4;font-weight:600;letter-spacing:-.3px;margin:0 0 10px;color:#fff;
}
.cta-bar p{font-size:15px;color:rgba(255,255,255,.82);max-width:620px;}

/* ============ 页脚 ============ */
.footer{
  background:#0E2038;
  color:#C8D5E8;
  padding:66px 0 26px;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:34px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:16px;font-weight:700;
  margin-bottom:14px;
}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:15px;}
.footer p{font-size:14px;line-height:1.8;color:#A9BAD2;}
.footer h4{
  color:#fff;font-size:14.5px;font-weight:600;
  margin:0 0 14px;letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;color:#A9BAD2;
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:#5FD8CB;}
.privacy-note{
  margin-top:16px;
  font-size:12.5px;
  line-height:1.75;
  color:#8A9AB5;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:42px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:12.5px;color:#8A9AB5;
}

/* ============ 模态表单 ============ */
.modal{
  position:fixed;inset:0;z-index:120;
  display:none;
  align-items:center;justify-content:center;
  padding:24px;
  background:rgba(9,26,51,.55);
  backdrop-filter:blur(4px);
}
.modal.is-open{display:flex;}
.modal-panel{
  width:min(540px,100%);
  max-height:calc(100vh - 48px);
  overflow-y:auto;
  background:#fff;
  border-radius:20px;
  padding:32px;
  position:relative;
  box-shadow:0 40px 80px -30px rgba(9,26,51,.6);
}
.modal-close{
  position:absolute;top:14px;right:14px;
  width:40px;height:40px;
  border-radius:var(--pill-r);
  display:grid;place-items:center;
  font-size:20px;color:var(--ink-2);
  background:var(--soft);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.modal-close:hover{background:#DEE8F8;color:var(--ink);}
.modal-panel h3{font-size:22px;font-weight:600;margin:0 0 8px;letter-spacing:-.2px;}
.modal-panel .modal-sub{font-size:14px;color:var(--ink-2);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;font-weight:600;color:var(--ink);
  margin-bottom:8px;
}
.field label .req{color:var(--orange);margin-left:4px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  font-family:inherit;
  font-size:14.5px;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--input-r);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(27,90,214,.18);
}
.field .hint{font-size:12.5px;color:var(--ink-3);margin-top:6px;}
.field.has-error input,.field.has-error select{border-color:#D94A3D;}
.field .error-text{display:none;font-size:12.5px;color:#D94A3D;margin-top:6px;}
.field.has-error .error-text{display:block;}
.consent{
  display:flex;align-items:flex-start;gap:10px;
  padding:14px 16px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:8px;
}
.consent input[type="checkbox"]{
  width:18px;height:18px;flex:0 0 18px;margin-top:3px;
  accent-color:var(--primary);
}
.consent span{font-size:13px;line-height:1.7;color:var(--ink-2);}
.form-privacy{font-size:12.5px;line-height:1.7;color:var(--ink-3);margin:10px 0 18px;}
.modal-submit{width:100%;height:48px;}
.modal-submit[disabled]{
  background:#C9D3E3;color:#fff;cursor:not-allowed;box-shadow:none;
}
.form-success{
  display:none;
  padding:14px 16px;
  border-radius:12px;
  background:var(--accent-soft);
  color:#0E7A72;
  font-size:14px;
  margin-bottom:14px;
}
.form-success.is-visible{display:block;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .page-hero{padding:118px 0 56px;}
  .page-hero h1{font-size:30px;}
  .section{padding:72px 0;}
  .overview-grid{grid-template-columns:1fr;gap:32px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .panel-grid{grid-template-columns:1fr;}
  .panel-col{padding:22px 0;border-left:none;border-top:1px solid rgba(255,255,255,.12);}
  .panel-col:first-child{padding-top:0;border-top:none;}
  .panel-col:last-child{padding-bottom:0;}
  .dark-panel{padding:34px 28px;}
  .faq-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-bar{padding:32px 28px;}
}
@media (max-width:640px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .page-hero{padding:106px 0 46px;}
  .page-hero h1{font-size:26px;line-height:1.35;}
  .hero-lead{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:23px;}
  .overview-copy h2{font-size:23px;}
  .flow-item{grid-template-columns:58px minmax(0,1fr);gap:18px;padding:26px 0;}
  .flow-index{font-size:34px;letter-spacing:-1px;}
  .flow-index small{font-size:10.5px;letter-spacing:.14em;margin-top:6px;}
  .flow-body h3{font-size:18.5px;}
  .flow-body p{font-size:15px;}
  .dark-panel{padding:28px 20px;border-radius:20px;}
  .dark-panel h2{font-size:22px;}
  .split-copy h2{font-size:22px;}
  .check-panel{padding:26px 20px;border-radius:18px;}
  .check-head h2{font-size:22px;}
  .check-grid{grid-template-columns:1fr;}
  .cta-bar{padding:28px 22px;border-radius:20px;}
  .cta-bar h2{font-size:21px;}
  .footer{padding:52px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .modal{padding:0;align-items:flex-end;}
  .modal-panel{
    width:100%;max-height:92vh;
    border-radius:20px 20px 0 0;
    padding:26px 20px 30px;
  }
  .hero-points{gap:10px 18px;}
}