/* roulang page: index */
:root{
  --bg:#F5F9FC;
  --surface:#EAF3FA;
  --card:#FFFFFF;
  --primary:#1F5F8B;
  --primary-dark:#143F5C;
  --accent:#2F8F83;
  --sand:#D7B98E;
  --text:#162A3A;
  --muted:#5E7385;
  --border:#D8E5EF;
  --success:#2F8F83;
  --warning:#B7791F;
  --danger:#C45545;
  --footer:#0F2A3F;
  --r-pill:999px;
  --r-hero:26px;
  --r-card:18px;
  --r-input:12px;
  --r-img:14px;
  --shadow-1:0 2px 8px rgba(20,63,92,.06);
  --shadow-2:0 12px 32px rgba(20,63,92,.08);
  --shadow-3:0 24px 64px rgba(20,63,92,.12);
  --container:1200px;
  --ease:200ms ease;
}
*,*::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:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.01em;color:var(--text);}
h1{font-size:clamp(2.25rem,4.2vw,3.75rem);line-height:1.18;font-weight:700;}
h2{font-size:clamp(1.75rem,2.4vw,2.25rem);line-height:1.3;}
h3{font-size:1.3rem;line-height:1.45;}
p{margin:0;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(47,143,131,.35);
  border-radius:8px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:var(--surface);color:var(--primary);
  font-size:13.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid rgba(31,95,139,.12);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;}
.lead{color:var(--muted);font-size:17px;line-height:1.8;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:16px;z-index:80;padding:0 16px;}
.nav-shell{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  padding:10px 12px 10px 24px;
  background:rgba(255,255,255,.9);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-2);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--primary-dark);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  display:grid;place-items:center;color:#fff;font-size:14px;font-weight:700;
  box-shadow:var(--shadow-1);
}
.brand-name{font-size:15.5px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--muted);font-weight:500;white-space:nowrap;
}
.nav-links a:hover{background:var(--surface);color:var(--primary);}
.nav-links a.active{background:var(--surface);color:var(--primary);font-weight:600;}
.nav-cta{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--primary);color:#fff;font-size:14.5px;font-weight:600;
}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);color:#fff;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--border);background:#fff;margin-left:auto;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--primary-dark);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-panel{
  display:none;max-width:1180px;margin:10px auto 0;
  background:#fff;border:1px solid var(--border);border-radius:22px;
  box-shadow:var(--shadow-3);padding:14px;
}
.nav-panel.open{display:block;}
.nav-panel a{
  display:block;padding:13px 16px;border-radius:12px;
  color:var(--text);font-size:15.5px;font-weight:500;
}
.nav-panel a:hover,.nav-panel a.active{background:var(--surface);color:var(--primary);}
.nav-panel .nav-cta{width:100%;margin-top:10px;height:46px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:12px;
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;transition:all var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-secondary{background:#fff;color:var(--primary);border-color:rgba(31,95,139,.35);}
.btn-secondary:hover{background:var(--surface);border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
  text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px;
}
.btn-text:hover{color:var(--primary-dark);}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;transform:none;box-shadow:none;}

/* ---------- Hero ---------- */
.hero{padding:64px 0 72px;}
.hero-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-hero);
  border:1px solid var(--border);
  box-shadow:var(--shadow-2);
  background-image:linear-gradient(105deg,rgba(245,249,252,.94) 0%,rgba(245,249,252,.9) 48%,rgba(234,243,250,.86) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:56px;
}
.hero-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:48px;align-items:center;position:relative;z-index:2;}
.hero h1{margin:20px 0 18px;}
.hero-sub{font-size:17.5px;color:var(--muted);line-height:1.8;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{margin-top:22px;font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.hero-note::before{content:"";width:22px;height:2px;background:var(--sand);border-radius:2px;}

/* 入口状态卡 */
.state-card{
  background:rgba(255,255,255,.96);
  border:1px solid var(--border);border-radius:22px;
  box-shadow:var(--shadow-3);
  padding:26px;
}
.state-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.state-head h3{font-size:1.15rem;}
.status-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(47,143,131,.12);color:var(--accent);
  font-size:12.5px;font-weight:600;
}
.status-pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);}
.mini-steps{display:grid;gap:12px;margin:6px 0 20px;}
.mini-step{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted);}
.mini-step .idx{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-size:12.5px;font-weight:700;
  background:var(--surface);color:var(--primary);
}
.mini-step.done .idx{background:rgba(47,143,131,.14);color:var(--accent);}
.mini-step.current .idx{background:var(--primary);color:#fff;}
.mini-step.done span{color:var(--text);}
.mini-step.current span{color:var(--primary);font-weight:600;}
.state-card .btn{width:100%;}
.state-tip{
  margin-top:14px;padding:12px 14px;border-radius:12px;
  background:var(--surface);color:var(--muted);
  font-size:13px;line-height:1.7;
}

/* ---------- 状态条 ---------- */
.strip{padding:0 0 8px;}
.strip-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:-4px;
}
.strip-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 22px 20px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.strip-item:hover{transform:translateY(-2px);border-color:rgba(31,95,139,.3);box-shadow:var(--shadow-2);}
.strip-item .num{font-size:12.5px;font-weight:700;color:var(--sand);letter-spacing:.08em;}
.strip-item h3{font-size:15.5px;margin:8px 0 6px;}
.strip-item p{font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ---------- 时间线流程 ---------- */
.timeline{position:relative;margin-top:20px;padding:12px 0 4px;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:60px;width:2px;
  transform:translateX(-1px);border-radius:2px;
  background:linear-gradient(180deg,var(--border) 0%,rgba(47,143,131,.45) 50%,var(--border) 100%);
}
.step{
  position:relative;width:calc(50% - 44px);margin-bottom:30px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 26px 24px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,95,139,.3);}
.step:nth-child(even){margin-left:calc(50% + 44px);}
.step .dot{
  position:absolute;top:30px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:2px solid var(--accent);
  display:grid;place-items:center;box-shadow:0 0 0 4px rgba(47,143,131,.1);
}
.step .dot::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.step:nth-child(odd) .dot{right:-53px;}
.step:nth-child(even) .dot{left:-53px;}
.step .step-no{font-size:12.5px;font-weight:700;color:var(--accent);letter-spacing:.08em;}
.step h3{margin:8px 0 8px;font-size:1.15rem;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.bento-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,95,139,.3);}
.bento-card.large{grid-column:span 3;}
.bento-card.small{grid-column:span 3;flex-direction:row;align-items:flex-start;gap:18px;padding:26px;}
.bento-media{overflow:hidden;aspect-ratio:16/9;border-radius:0;}
.bento-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 260ms ease;}
.bento-card:hover .bento-media img{transform:scale(1.02);}
.bento-body{padding:24px 26px 26px;}
.bento-body h3{margin-bottom:8px;}
.bento-body p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.bento-body .btn-text{margin-top:14px;}
.bento-icon{
  width:46px;height:46px;border-radius:14px;flex-shrink:0;
  display:grid;place-items:center;font-size:18px;font-weight:700;
  background:var(--surface);color:var(--primary);
}
.bento-card.small h3{font-size:1.1rem;margin-bottom:6px;}

/* ---------- 进度面板 ---------- */
.progress-panel{
  background:var(--surface);border:1px solid var(--border);border-radius:24px;
  padding:44px;display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;
}
.progress-panel h2{margin-bottom:14px;}
.progress-panel p{color:var(--muted);font-size:15.5px;}
.checklist{display:grid;gap:14px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1);}
.check-row{display:flex;align-items:center;gap:12px;font-size:15px;}
.check-mark{
  width:24px;height:24px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-size:12px;font-weight:700;
  background:rgba(47,143,131,.14);color:var(--accent);
}
.check-row.current .check-mark{background:rgba(215,185,142,.3);color:var(--warning);}
.check-row.todo .check-mark{background:#EDF2F6;color:#90A2B1;}
.check-row.current span{font-weight:600;color:var(--primary);}
.check-row.todo span{color:var(--muted);}
.progress-bar{margin-top:22px;}
.progress-bar .label{display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.progress-track{height:10px;border-radius:var(--r-pill);background:var(--border);overflow:hidden;}
.progress-fill{height:100%;width:0;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--accent));transition:width 900ms cubic-bezier(.22,.61,.36,1);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:5fr 7fr;gap:26px;align-items:start;}
.news-feature{
  display:block;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,95,139,.3);}
.news-feature .thumb{aspect-ratio:16/10;overflow:hidden;}
.news-feature .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 260ms ease;}
.news-feature:hover .thumb img{transform:scale(1.02);}
.news-feature .body{padding:24px 26px 26px;}
.news-feature h3{font-size:1.2rem;margin:12px 0 10px;color:var(--text);}
.news-feature p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--surface);color:var(--primary);
  font-size:12.5px;font-weight:600;
}
.badge.sand{background:rgba(215,185,142,.24);color:#8A6A3B;}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:16px;font-size:13px;color:var(--muted);}
.meta .sep{width:4px;height:4px;border-radius:50%;background:var(--border);}
.news-list{display:grid;gap:16px;}
.news-item{
  display:grid;grid-template-columns:72px 1fr auto;gap:20px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);transform:scaleY(0);transform-origin:top;
  transition:transform var(--ease);
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,95,139,.3);}
.news-item:hover::before{transform:scaleY(1);}
.news-item .date-block{
  text-align:center;border-right:1px solid var(--border);padding-right:14px;
}
.news-item .date-block .d{font-size:20px;font-weight:700;color:var(--primary);line-height:1.2;}
.news-item .date-block .m{font-size:12px;color:var(--muted);}
.news-item h3{font-size:15.5px;margin-bottom:6px;color:var(--text);line-height:1.5;}
.news-item p{font-size:13.5px;color:var(--muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-item .arrow{color:var(--accent);font-size:18px;font-weight:700;}
.empty-state{
  border:1px dashed rgba(31,95,139,.35);border-radius:var(--r-card);
  background:rgba(234,243,250,.6);padding:56px 24px;text-align:center;
}
.empty-state .ico{
  width:54px;height:54px;border-radius:16px;margin:0 auto 16px;
  background:#fff;border:1px solid var(--border);
  display:grid;place-items:center;color:var(--primary);font-size:20px;
  box-shadow:var(--shadow-1);
}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.open{border-color:rgba(31,95,139,.3);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;font-size:1.05rem;font-weight:600;color:var(--text);
  transition:color var(--ease),background var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q .sign{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--border);display:grid;place-items:center;
  color:var(--primary);font-size:16px;font-weight:600;line-height:1;
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.faq-item.open .faq-q{color:var(--primary);}
.faq-item.open .faq-q .sign{transform:rotate(45deg);background:var(--surface);border-color:rgba(31,95,139,.3);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms ease;}
.faq-a-inner{
  padding:0 26px 24px;color:var(--muted);font-size:15.5px;line-height:1.85;
  border-top:1px solid rgba(216,229,239,.9);padding-top:18px;margin-top:0;
}
.faq-item.open .faq-a-inner{border-left:3px solid var(--accent);padding-left:23px;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--surface),#F7FBFE);
  border:1px solid var(--border);border-radius:28px;
  padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-1);
}
.cta-band h2{margin-bottom:10px;}
.cta-band p{color:var(--muted);font-size:15.5px;max-width:620px;}
.cta-band .btn{flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);color:#C8D8E4;margin-top:96px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer h3{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:600;}
.site-footer .brand-name{color:#fff;font-size:16.5px;}
.site-footer p{font-size:14px;line-height:1.8;color:#9FB6C7;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:#C8D8E4;font-size:14px;}
.footer-links a:hover{color:var(--sand);}
.footer-brand .brand-mark{background:linear-gradient(140deg,#2F8F83,#1F5F8B);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8DA6B8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:960px;}
  .hero-card{padding:44px;}
  .nav-links a{padding:9px 11px;font-size:14px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-links,.nav-shell > .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:40px 0 56px;}
  .hero-card{padding:36px 30px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .strip-grid{grid-template-columns:repeat(2,1fr);}
  .timeline::before{left:9px;}
  .step,.step:nth-child(even){width:100%;margin-left:0;padding-left:44px;}
  .step .dot,.step:nth-child(odd) .dot,.step:nth-child(even) .dot{left:0;right:auto;top:28px;}
  .bento{grid-template-columns:1fr;}
  .bento-card.large,.bento-card.small{grid-column:span 1;}
  .progress-panel{grid-template-columns:1fr;padding:32px;gap:30px;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .hero-card{padding:28px 20px;border-radius:20px;}
  .hero h1{font-size:clamp(1.9rem,7vw,2.5rem);}
  .hero-actions .btn{width:100%;}
  .strip-grid{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;gap:10px;padding:20px;}
  .news-item .date-block{display:flex;gap:8px;align-items:baseline;border-right:0;border-bottom:1px solid var(--border);padding:0 0 10px;text-align:left;}
  .news-item .arrow{display:none;}
  .progress-panel{padding:24px;}
  .checklist{padding:20px;}
  .faq-q{padding:18px 20px;font-size:15.5px;}
  .faq-a-inner{padding:16px 20px 20px;}
  .faq-item.open .faq-a-inner{padding-left:17px;}
  .cta-band{border-radius:22px;padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .brand-name{font-size:14px;}
  .btn{height:46px;padding:0 20px;font-size:15px;}
  .state-card{padding:20px;}
  .bento-card.small{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg:#F5F9FC;
  --surface:#EAF3FA;
  --card:#FFFFFF;
  --primary:#1F5F8B;
  --primary-dark:#143F5C;
  --accent:#2F8F83;
  --sand:#D7B98E;
  --text:#162A3A;
  --muted:#5E7385;
  --border:#D8E5EF;
  --success:#2F8F83;
  --warning:#B7791F;
  --danger:#C45545;
  --r-pill:999px;
  --r-hero:26px;
  --r-card:18px;
  --r-input:12px;
  --r-img:14px;
  --sh-1:0 2px 8px rgba(20,63,92,.06);
  --sh-2:0 12px 32px rgba(20,63,92,.08);
  --sh-3:0 24px 64px rgba(20,63,92,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--primary-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid rgba(47,143,131,.45);
  outline-offset:2px;
  border-radius:6px;
}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:.01em;color:var(--primary-dark);line-height:1.3;}
p{margin:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:16px;
  z-index:90;
  width:min(1180px,calc(100% - 32px));
  margin:16px auto 0;
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 12px 10px 16px;
  background:rgba(255,255,255,.88);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:16px;font-weight:700;
  box-shadow:var(--sh-1);
}
.brand-name{
  font-size:16px;font-weight:700;color:var(--primary-dark);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  padding:9px 14px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--surface);color:var(--primary-dark);}
.nav-links a.active{background:var(--surface);color:var(--primary);font-weight:600;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;
  margin-left:8px;
  border-radius:12px;
  background:var(--primary);color:#fff;
  font-size:14.5px;font-weight:600;
  box-shadow:var(--sh-1);
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
  margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary-dark);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-panel{display:none;}
.nav-panel.is-open{display:block;}

/* ---------- article page ---------- */
.page-main{padding:36px 0 0;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);
  padding:0 0 22px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#AFC3D3;}
.breadcrumb .current{color:var(--primary-dark);font-weight:500;}

.article-hero{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-hero);
  border:1px solid var(--border);
  background:var(--card);
  box-shadow:var(--sh-2);
  padding:38px 40px 34px;
  margin-bottom:36px;
}
.article-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.10;
  pointer-events:none;
}
.article-hero::after{
  content:"";
  position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent) 55%,var(--sand));
}
.article-hero-inner{position:relative;z-index:1;}
.article-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--surface);
  color:var(--primary);
  font-size:13px;font-weight:600;
  border:1px solid rgba(31,95,139,.16);
  margin-bottom:18px;
}
.article-title{
  font-size:clamp(1.65rem,3vw,2.55rem);
  line-height:1.28;
  color:var(--primary-dark);
  margin-bottom:18px;
  max-width:920px;
  overflow-wrap:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:14px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#B9CBD9;}
.article-meta time{font-variant-numeric:tabular-nums;}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;
  align-items:start;
  padding-bottom:20px;
}
.article-body{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:40px 44px 44px;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  overflow-wrap:break-word;
  word-break:break-word;
  min-width:0;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(1.35rem,2vw,1.6rem);
  margin:40px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--primary);
  line-height:1.5;
}
.article-body h3{font-size:1.22rem;margin:28px 0 12px;color:var(--primary-dark);}
.article-body h4{font-size:1.05rem;margin:22px 0 10px;color:var(--primary-dark);}
.article-body p{margin:0 0 18px;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-dark);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body blockquote{
  margin:22px 0;
  padding:16px 20px;
  background:var(--surface);
  border-left:4px solid var(--accent);
  border-radius:10px;
  color:var(--primary-dark);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:22px 0;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;}
.article-body .table-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--border);border-radius:12px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;}
.article-body th{background:var(--surface);color:var(--primary-dark);font-weight:600;}
.article-body code{background:var(--surface);padding:2px 6px;border-radius:6px;font-size:.92em;}
.article-body hr{border:0;border-top:1px solid var(--border);margin:32px 0;}

.article-empty{
  text-align:center;
  padding:56px 24px;
}
.article-empty .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;
  display:grid;place-items:center;
  border-radius:20px;
  background:var(--surface);
  color:var(--primary);
  font-size:26px;font-weight:700;
  border:1px dashed #AFCFDF;
}
.article-empty h2{font-size:1.4rem;margin-bottom:10px;border:0;padding:0;}
.article-empty p{color:var(--muted);margin-bottom:22px;}

/* ---------- sidebar ---------- */
.article-sidebar{
  position:sticky;
  top:110px;
  display:flex;flex-direction:column;gap:20px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px 22px 18px;
}
.side-card h3{
  font-size:15px;
  color:var(--primary-dark);
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--accent);}
.side-list li + li{margin-top:4px;}
.side-list a{
  display:flex;align-items:center;gap:8px;
  padding:9px 10px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:10px;
  border-left:3px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.side-list a:hover{background:var(--surface);color:var(--primary-dark);border-left-color:var(--accent);}
.side-note{font-size:14px;color:var(--muted);line-height:1.8;margin:0;}
.side-cta{
  display:block;
  background:linear-gradient(150deg,var(--primary),var(--primary-dark));
  color:#fff;
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh-2);
}
.side-cta h3{font-size:16px;color:#fff;margin-bottom:8px;}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.82);line-height:1.7;margin-bottom:16px;}
.side-cta .btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  width:100%;min-height:44px;
  border-radius:12px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.42);
  color:#fff;font-size:14.5px;font-weight:600;
  transition:background-color .2s ease,transform .2s ease;
}
.side-cta .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:47px;padding:0 24px;
  border-radius:12px;
  font-size:15px;font-weight:600;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid rgba(31,95,139,.4);}
.btn-secondary:hover{background:var(--surface);color:var(--primary-dark);border-color:var(--primary);}
.btn-text{color:var(--primary);padding:0;min-height:auto;text-decoration:underline;text-underline-offset:4px;font-weight:600;}
.btn-text:hover{color:var(--primary-dark);}

/* ---------- related ---------- */
.section{padding:56px 0;}
.section-head{margin-bottom:28px;max-width:760px;}
.section-eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--accent);
  background:rgba(47,143,131,.1);
  padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:12px;
}
.section-head h2{font-size:clamp(1.5rem,2.2vw,2rem);margin-bottom:10px;}
.section-head p{color:var(--muted);font-size:15.5px;}

.related-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.related-card{
  display:flex;gap:16px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:18px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  min-width:0;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,95,139,.3);}
.related-thumb{
  flex:0 0 108px;width:108px;height:82px;
  border-radius:12px;overflow:hidden;
  background:var(--surface);
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.related-card:hover .related-thumb img{transform:scale(1.02);}
.related-info{min-width:0;}
.related-tag{
  display:inline-block;
  font-size:12px;font-weight:600;
  color:var(--primary);
  background:var(--surface);
  border-radius:var(--r-pill);
  padding:3px 10px;
  margin-bottom:8px;
}
.related-info h3{
  font-size:16px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-info h3 a{color:var(--primary-dark);}
.related-info h3 a:hover{color:var(--primary);}
.related-meta{font-size:13px;color:var(--muted);}

/* ---------- back + cta ---------- */
.back-row{
  display:flex;flex-wrap:wrap;gap:18px;
  padding:8px 0 4px;
  font-size:15px;
}
.cta-band{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:28px;
  padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(1.4rem,2.1vw,1.85rem);margin-bottom:8px;}
.cta-band p{color:var(--muted);font-size:15.5px;}
.cta-band .btn{flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:64px;
  background:#0F2A3F;
  color:#fff;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{color:rgba(255,255,255,.7);font-size:14.5px;line-height:1.8;margin-top:14px;max-width:340px;}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;transition:color .2s ease;}
.footer-links a:hover{color:var(--sand);}
.site-footer p{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.8;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;
  font-size:13.5px;
  color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:26px;}
}
@media (max-width:991px){
  .nav-links,.nav-shell > .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-panel{
    margin-top:10px;
    background:#fff;
    border:1px solid var(--border);
    border-radius:22px;
    box-shadow:var(--sh-2);
    padding:14px;
    display:none;
    flex-direction:column;
    gap:4px;
  }
  .nav-panel.is-open{display:flex;}
  .nav-panel a{
    padding:12px 14px;
    border-radius:12px;
    color:var(--muted);
    font-size:15px;
  }
  .nav-panel a:hover,.nav-panel a.active{background:var(--surface);color:var(--primary);}
  .nav-panel .nav-cta{
    margin:8px 0 0;
    width:100%;
    background:var(--primary);
    color:#fff;
    text-align:center;
    justify-content:center;
  }
  .article-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .article-sidebar{position:static;top:auto;}
  .article-body{padding:30px 26px 34px;}
  .article-hero{padding:30px 26px 26px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 26px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .site-header{top:10px;width:calc(100% - 24px);margin-top:10px;}
  .nav-shell{padding:8px 10px 8px 12px;}
  .brand-name{font-size:14.5px;}
  .article-hero{border-radius:20px;padding:26px 20px 22px;}
  .article-body{padding:24px 20px 28px;font-size:16.5px;}
  .article-body h2{margin-top:32px;}
  .related-card{flex-direction:column;}
  .related-thumb{width:100%;flex:0 0 auto;height:150px;}
  .back-row{flex-direction:column;gap:12px;}
  .btn{width:100%;}
  .side-cta .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);padding-bottom:28px;}
  .footer-bottom{flex-direction:column;}
  .site-footer{padding:48px 0 24px;margin-top:48px;}
}
@media (max-width:480px){
  .article-title{font-size:1.5rem;}
  .article-meta{font-size:13px;gap:8px 14px;}
  .section{padding:40px 0;}
  .cta-band{border-radius:20px;padding:24px 18px;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --bg:#F5F9FC;
  --surface:#EAF3FA;
  --card:#FFFFFF;
  --primary:#1F5F8B;
  --primary-deep:#143F5C;
  --accent:#2F8F83;
  --sand:#D7B98E;
  --ink:#162A3A;
  --muted:#5E7385;
  --line:#D8E5EF;
  --success:#2F8F83;
  --warn:#B7791F;
  --danger:#C45545;
  --pill:999px;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --sh-1:0 2px 8px rgba(20,63,92,.06);
  --sh-2:0 12px 32px rgba(20,63,92,.08);
  --sh-3:0 24px 64px rgba(20,63,92,.12);
  --container:1200px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(47,143,131,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  background:var(--surface);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  border:1px solid var(--line);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
h1{font-size:clamp(2.1rem,3.6vw,3rem);line-height:1.18;font-weight:700;letter-spacing:.01em;}
h2{font-size:clamp(1.6rem,2.3vw,2.1rem);line-height:1.3;font-weight:700;letter-spacing:.01em;position:relative;}
h3{font-size:1.22rem;line-height:1.4;font-weight:600;}
.lead{font-size:17px;color:var(--muted);line-height:1.8;}
.muted{color:var(--muted);}
.small{font-size:14px;}
p+p{margin-top:18px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:16px 16px 0;
}
.nav-shell{
  width:min(1180px,100%);
  margin:0 auto;
  display:flex;align-items:center;gap:20px;
  padding:12px 14px 12px 18px;
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-radius:var(--pill);
  box-shadow:var(--sh-2);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:11px;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#fff;display:grid;place-items:center;
  font-size:16px;font-weight:700;
  box-shadow:var(--sh-1);
}
.brand-name{
  font-size:clamp(13.5px,1.3vw,15.5px);
  font-weight:700;color:var(--primary-deep);
  letter-spacing:.01em;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  padding:8px 13px;border-radius:var(--pill);
  font-size:14.5px;color:var(--ink);
  transition:background var(--ease),color var(--ease);
}
.nav-links a:hover{background:var(--surface);color:var(--primary);}
.nav-links a.active{background:var(--surface);color:var(--primary);font-weight:600;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--pill);
  background:var(--primary);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 6px 16px rgba(31,95,139,.22);
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(20,63,92,.26);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--pill);
  border:1px solid var(--line);background:var(--card);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;transition:background var(--ease);
}
.nav-toggle:hover{background:var(--surface);}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--primary-deep);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-panel{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-sm);
  font-size:15.5px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(31,95,139,.2);}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 14px 30px rgba(20,63,92,.26);}
.btn-ghost{background:var(--card);color:var(--primary);border-color:rgba(31,95,139,.35);}
.btn-ghost:hover{background:var(--surface);border-color:var(--primary);transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
  text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px;
  transition:color var(--ease);
}
.btn-link:hover{color:var(--accent);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{opacity:.55;}

/* ============ Hero ============ */
.hero-wrap{padding-top:28px;}
.hero-shell{
  position:relative;
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:40px;align-items:center;
  padding:48px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background-image:linear-gradient(180deg,rgba(245,249,252,.93),rgba(234,243,250,.9)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.hero-shell::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:320px;height:320px;
  border-radius:50%;border:1px solid rgba(31,95,139,.08);
  pointer-events:none;
}
.hero-title{margin-top:18px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:34em;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--pill);
  background:var(--surface);color:var(--primary);
  font-size:13px;font-weight:600;border:1px solid var(--line);
}
.tag--accent{background:rgba(47,143,131,.1);color:var(--accent);border-color:rgba(47,143,131,.24);}
.tag--sand{background:rgba(215,185,142,.18);color:#8a6a35;border-color:rgba(215,185,142,.45);}

/* 入口状态卡 */
.entry-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px;
  box-shadow:var(--sh-3);
  position:relative;z-index:1;
}
.entry-card h3{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:1.05rem;}
.status-dot{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--success);
  background:rgba(47,143,131,.1);border:1px solid rgba(47,143,131,.24);
  padding:4px 11px;border-radius:var(--pill);
}
.status-dot i{width:7px;height:7px;border-radius:50%;background:var(--success);display:block;}
.mini-steps{margin-top:22px;display:grid;gap:14px;}
.mini-step{display:flex;align-items:flex-start;gap:11px;font-size:14.5px;color:var(--ink);}
.step-dot{
  width:20px;height:20px;flex:none;border-radius:50%;
  display:grid;place-items:center;font-size:11px;font-weight:700;
  margin-top:2px;
}
.step-dot.done{background:var(--accent);color:#fff;}
.step-dot.now{background:var(--card);color:var(--primary);border:2px solid var(--primary);}
.step-dot.todo{background:var(--card);color:var(--muted);border:2px solid var(--line);}
.mini-step small{display:block;color:var(--muted);font-size:13px;line-height:1.6;}
.entry-card .btn{width:100%;margin-top:24px;}
.entry-card .note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--muted);padding-left:16px;position:relative;}
.entry-card .note::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;background:var(--sand);}

/* ============ 紧凑信息条 ============ */
.info-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;margin-top:26px;
}
.info-cell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.info-cell:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,95,139,.3);}
.info-cell strong{display:block;font-size:15px;color:var(--primary-deep);}
.info-cell span{display:block;font-size:13.5px;color:var(--muted);margin-top:4px;line-height:1.6;}

/* ============ 两栏说明 ============ */
.split{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:48px;align-items:start;}
.article-note{
  border-left:4px solid var(--accent);
  background:var(--surface);
  padding:18px 22px;border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;color:var(--ink);line-height:1.8;
}
.point-list{margin-top:26px;display:grid;gap:16px;}
.point-list li{
  display:grid;grid-template-columns:26px 1fr;gap:12px;
  padding:16px 18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-sm);box-shadow:var(--sh-1);
  transition:border-color var(--ease),transform var(--ease);
}
.point-list li:hover{border-color:rgba(31,95,139,.3);transform:translateY(-2px);}
.point-list .idx{
  width:26px;height:26px;border-radius:8px;background:var(--surface);
  color:var(--primary);font-size:13px;font-weight:700;
  display:grid;place-items:center;
}
.point-list strong{display:block;font-size:15.5px;}
.point-list p{font-size:14.5px;color:var(--muted);margin-top:4px;line-height:1.7;}
.media-card{
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  background:var(--card);box-shadow:var(--sh-2);
}
.media-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 320ms ease;}
.media-card:hover img{transform:scale(1.02);}
.media-card .media-body{padding:22px 24px;}
.media-card h3{font-size:1.1rem;}
.media-card p{font-size:14.5px;color:var(--muted);margin-top:8px;}
.media-card .media-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}

/* ============ 检查清单 & 进度 ============ */
.check-bg{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.check-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--sh-2);
}
.check-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:start;}
.checklist{display:grid;gap:16px;}
.checklist li{
  display:grid;grid-template-columns:24px 1fr;gap:12px;align-items:start;
  padding-bottom:16px;border-bottom:1px dashed var(--line);
}
.checklist li:last-child{border-bottom:0;padding-bottom:0;}
.chk{
  width:22px;height:22px;border-radius:7px;border:2px solid var(--line);
  display:grid;place-items:center;margin-top:3px;color:#fff;font-size:12px;font-weight:700;
}
.chk.on{background:var(--accent);border-color:var(--accent);}
.chk.half{border-color:var(--sand);background:rgba(215,185,142,.25);color:#8a6a35;}
.checklist strong{font-size:15.5px;display:block;}
.checklist p{font-size:14.5px;color:var(--muted);margin-top:4px;line-height:1.7;}
.progress-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;
}
.progress-card h3{font-size:1.02rem;}
.progress-num{font-size:2rem;font-weight:700;color:var(--primary-deep);line-height:1.2;margin-top:10px;}
.progress-num span{font-size:15px;font-weight:500;color:var(--muted);}
.bar{height:10px;border-radius:var(--pill);background:var(--line);overflow:hidden;margin-top:16px;}
.bar i{display:block;height:100%;width:66%;border-radius:var(--pill);background:linear-gradient(90deg,var(--primary),var(--accent));}
.progress-legend{display:grid;gap:10px;margin-top:20px;}
.progress-legend div{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--muted);}
.progress-legend b{color:var(--ink);font-weight:600;}

/* ============ 快捷入口卡 ============ */
.quick-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:24px;}
.quick-main{
  grid-row:span 2;
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-2);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.quick-main:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(31,95,139,.3);}
.quick-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.quick-main .q-body{padding:26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.quick-mini{
  display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  position:relative;
}
.quick-mini::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--accent);opacity:0;transition:opacity var(--ease);
}
.quick-mini:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,95,139,.3);}
.quick-mini:hover::before{opacity:1;}
.quick-icon{
  width:56px;height:56px;border-radius:16px;background:var(--surface);
  display:grid;place-items:center;font-size:20px;color:var(--primary);font-weight:700;
}
.quick-mini h3{font-size:1.02rem;}
.quick-mini p{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.65;}
.arrow{color:var(--primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.open{border-color:rgba(31,95,139,.3);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q .sign{
  width:26px;height:26px;flex:none;border-radius:50%;
  background:var(--surface);color:var(--primary);
  display:grid;place-items:center;font-size:16px;font-weight:700;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.open .sign{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms ease;}
.faq-a-inner{
  padding:0 24px 22px;font-size:16px;color:var(--muted);line-height:1.8;
  border-top:1px solid var(--line);padding-top:18px;margin:0 24px 0;padding-left:0;padding-right:0;
}
.faq-item.open .faq-a-inner{border-left:0;}

/* ============ CTA ============ */
.cta-band{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:32px;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:28px;
  padding:48px;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:clamp(1.5rem,2.2vw,1.95rem);}
.cta-band p{color:var(--muted);margin-top:12px;max-width:32em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;background:#0F2A3F;color:#DCE9F2;
  padding:72px 0 32px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.site-footer p{font-size:14px;line-height:1.8;color:#A9C1D3;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#A9C1D3;transition:color var(--ease),transform var(--ease);}
.footer-links a:hover{color:var(--sand);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8FA9BC;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:960px;}
  .hero-shell{padding:40px;gap:32px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .nav-links,.nav-shell > .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-panel{
    display:none;
    width:min(1180px,100%);
    margin:10px auto 0;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:24px;
    box-shadow:var(--sh-3);
    padding:16px;
    flex-direction:column;gap:6px;
  }
  .nav-panel.open{display:flex;}
  .nav-panel a{
    padding:12px 16px;border-radius:14px;font-size:15px;
    transition:background var(--ease),color var(--ease);
  }
  .nav-panel a:hover{background:var(--surface);color:var(--primary);}
  .nav-panel a.active{background:var(--surface);color:var(--primary);font-weight:600;}
  .nav-panel .nav-cta{width:100%;margin-top:8px;height:46px;}
  .hero-shell{grid-template-columns:1fr;padding:36px;}
  .info-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split,.check-grid,.quick-grid,.cta-band{grid-template-columns:1fr;gap:32px;}
  .quick-main{grid-row:auto;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero-shell{padding:26px;border-radius:22px;}
  .hero-wrap{padding-top:16px;}
  .btn{width:100%;}
  .btn-row{gap:12px;}
  .btn-row .btn-link{width:auto;}
  .entry-card .btn{width:100%;}
  .info-strip{grid-template-columns:1fr;}
  .check-panel{padding:24px;}
  .cta-band{padding:30px;border-radius:22px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a-inner{margin:0 18px;padding-top:16px;padding-bottom:18px;}
  .site-footer{margin-top:56px;padding:52px 0 26px;}
  .nav-shell{padding:10px 12px 10px 14px;}
  .brand-name{white-space:nowrap;font-size:13px;}
}
@media (max-width:479px){
  h1{font-size:1.85rem;}
  h2{font-size:1.45rem;}
  .container{padding:0 14px;}
  .hero-shell{padding:22px 18px;}
  .brand-mark{width:30px;height:30px;font-size:14px;}
  .brand-name{font-size:12.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .quick-mini{grid-template-columns:44px 1fr;padding:16px;}
  .quick-icon{width:44px;height:44px;border-radius:12px;font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg:#F5F9FC;
  --surface:#EAF3FA;
  --card:#FFFFFF;
  --primary:#1F5F8B;
  --primary-dark:#143F5C;
  --primary-soft:rgba(31,95,139,.10);
  --primary-line:rgba(31,95,139,.30);
  --accent:#2F8F83;
  --accent-soft:rgba(47,143,131,.12);
  --sand:#D7B98E;
  --sand-soft:#FBF4E9;
  --text:#162A3A;
  --muted:#5E7385;
  --border:#D8E5EF;
  --success:#2F8F83;
  --warning:#B7791F;
  --danger:#C45545;
  --footer:#0F2A3F;
  --r-pill:999px;
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --r-xs:10px;
  --sh-1:0 2px 8px rgba(20,63,92,.06);
  --sh-2:0 12px 32px rgba(20,63,92,.08);
  --sh-3:0 24px 64px rgba(20,63,92,.12);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.01em;color:var(--primary-dark);line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(47,143,131,.45);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:12px;
  z-index:80;
  margin:20px auto 0;
}
.nav-shell{
  width:min(1180px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.88);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--primary-dark);
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(150deg,var(--primary),var(--primary-dark));
  color:#fff;
  font-size:16px;
  font-weight:600;
  border-radius:11px;
  flex-shrink:0;
}
.brand-name{
  font-size:16px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-links a{
  display:inline-block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text);
  white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.nav-links a:hover{background:var(--surface);color:var(--primary);}
.nav-links a.active{
  background:var(--primary-soft);
  color:var(--primary);
  font-weight:600;
}
.nav-cta{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#fff;
  font-size:15px;
  font-weight:600;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(31,95,139,.28);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  background:#fff;
  border-radius:14px;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  margin-left:auto;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--primary-dark);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-panel{
  display:none;
  width:min(1180px,calc(100% - 32px));
  margin:10px auto 0;
  background:#fff;
  border:1px solid var(--border);
  border-radius:22px;
  box-shadow:var(--sh-2);
  padding:14px;
}
.nav-panel a{
  display:block;
  padding:12px 16px;
  border-radius:12px;
  color:var(--text);
  font-size:15.5px;
}
.nav-panel a:hover{background:var(--surface);color:var(--primary);}
.nav-panel a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.nav-panel .nav-cta{
  margin-top:8px;
  width:100%;
  height:48px;
  color:#fff;
  text-align:center;
  border-radius:14px;
}
.nav-panel.is-open{display:block;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-sm);
  font-size:16px;
  font-weight:600;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,95,139,.20);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(31,95,139,.26);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary-line);}
.btn-ghost:hover{background:var(--surface);color:var(--primary-dark);transform:translateY(-1px);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:5px;
  text-decoration-thickness:1px;
}
.btn-text:hover{color:var(--primary-dark);}

/* ---------- Badges ---------- */
.eyebrow,
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--primary-soft);
  color:var(--primary);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-accent{background:var(--accent-soft);color:var(--accent);}
.badge-sand{background:var(--sand-soft);color:var(--warning);}
.badge-plain{background:var(--surface);color:var(--muted);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  margin-top:24px;
  padding:56px 0 60px;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--surface);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,rgba(245,249,252,.94) 0%,rgba(245,249,252,.88) 52%,rgba(234,243,250,.82) 100%);
}
.page-hero .hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:44px;
  align-items:start;
}
.page-hero h1{
  margin:18px 0 16px;
  font-size:clamp(2rem,3.4vw,2.9rem);
  line-height:1.2;
  font-weight:700;
  color:var(--primary-dark);
}
.hero-lede{
  font-size:17px;
  color:#33536B;
  max-width:640px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:26px;
}

/* 暖沙提示面板 */
.hero-note{
  position:relative;
  z-index:2;
  background:var(--sand-soft);
  border:1px solid rgba(215,185,142,.6);
  border-left:4px solid var(--sand);
  border-radius:var(--r-md);
  padding:24px 24px 22px;
  box-shadow:var(--sh-1);
}
.hero-note h2{
  font-size:17px;
  margin-bottom:10px;
  color:#8A6528;
}
.hero-note p{
  font-size:14.5px;
  color:#6C5734;
  line-height:1.8;
}
.hero-note ul{
  margin-top:12px;
  display:grid;
  gap:8px;
}
.hero-note li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:#6C5734;
}
.hero-note li::before{
  content:"";
  position:absolute;
  left:2px;
  top:9px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--sand);
}

/* ---------- Sections ---------- */
.section{padding:88px 0 0;}
.section-head{
  max-width:760px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(1.6rem,2.3vw,2.15rem);
  margin-bottom:14px;
  position:relative;
  padding-left:18px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:5px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.section-head p{color:var(--muted);font-size:16px;}

/* ---------- 自检清单 ---------- */
.checklist{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  padding:28px;
}
.checklist-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:16px;
}
.checklist-head h3{font-size:19px;}
.checklist-count{
  font-size:14px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.progress{
  height:8px;
  border-radius:var(--r-pill);
  background:var(--border);
  overflow:hidden;
  margin-bottom:20px;
}
.progress-bar{
  display:block;
  height:100%;
  width:0%;
  border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transition:width 320ms ease;
}
.check-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:13px 0;
  border-top:1px solid var(--border);
  font-size:15.5px;
  color:var(--text);
  cursor:pointer;
  transition:color var(--ease);
}
.check-item:first-of-type{border-top:none;}
.check-item input{
  appearance:none;
  -webkit-appearance:none;
  width:20px;height:20px;
  flex-shrink:0;
  margin:3px 0 0;
  border:1.5px solid #B9CEDA;
  border-radius:6px;
  background:#fff;
  position:relative;
  transition:background var(--ease),border-color var(--ease);
}
.check-item input:checked{
  background:var(--accent);
  border-color:var(--accent);
}
.check-item input:checked::after{
  content:"";
  position:absolute;
  left:6px;top:2px;
  width:5px;height:10px;
  border:solid #fff;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.check-item:hover{color:var(--primary-dark);}

/* ---------- 卡片网格 ---------- */
.grid-cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  padding:26px 24px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-3);
  border-color:var(--primary-line);
}
.card .num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--accent);
  font-weight:700;
  font-size:15px;
  margin-bottom:16px;
}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{font-size:15px;color:var(--muted);}

/* ---------- 双栏说明 ---------- */
.split{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.panel{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  padding:30px 28px;
}
.panel h3{
  font-size:19px;
  margin-bottom:6px;
  display:flex;
  align-items:center;
  gap:10px;
}
.panel h3 .dot{
  width:9px;height:9px;
  border-radius:50%;
  background:var(--primary);
  flex-shrink:0;
}
.panel .panel-sub{
  font-size:14px;
  color:var(--muted);
  margin-bottom:18px;
}
.rule-list{display:grid;gap:14px;}
.rule-list li{
  position:relative;
  padding-left:24px;
  font-size:15.5px;
  color:#2C4557;
}
.rule-list li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:12px;height:2px;
  border-radius:2px;
  background:var(--accent);
}
.rule-list li strong{color:var(--primary-dark);font-weight:600;}

/* ---------- 图文区 ---------- */
.feature-row{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:40px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:34px;
}
.feature-media{
  border-radius:14px;
  overflow:hidden;
  background:var(--surface);
  aspect-ratio:16/10;
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 260ms ease;
}
.feature-row:hover .feature-media img{transform:scale(1.02);}
.feature-body h2{
  font-size:clamp(1.4rem,2vw,1.8rem);
  margin-bottom:14px;
}
.feature-body p{color:var(--muted);font-size:15.5px;}
.mini-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  margin-top:22px;
}
.mini-stat{
  background:var(--surface);
  border-radius:14px;
  padding:16px 14px;
  text-align:center;
}
.mini-stat strong{
  display:block;
  font-size:20px;
  color:var(--primary);
  font-weight:700;
  line-height:1.4;
}
.mini-stat span{font-size:13px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  gap:14px;
}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.open{
  border-color:var(--primary-line);
  box-shadow:var(--sh-2);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:22px 24px;
  background:none;
  border:none;
  font-size:17px;
  font-weight:600;
  color:var(--primary-dark);
  position:relative;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-item.open .faq-q::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--accent);
}
.faq-icon{
  position:relative;
  width:22px;height:22px;
  flex-shrink:0;
  border-radius:50%;
  background:var(--surface);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--primary);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows 280ms ease;
}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{
  overflow:hidden;
}
.faq-a-inner p{
  padding:0 24px 22px;
  font-size:15.8px;
  line-height:1.8;
  color:#3A5568;
  border-top:1px solid var(--border);
  margin-top:0;
  padding-top:18px;
}

/* ---------- 快捷入口 ---------- */
.quick-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.quick-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.quick-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:var(--primary-line);
}
.quick-card strong{
  font-size:16.5px;
  color:var(--primary-dark);
  font-weight:600;
}
.quick-card span{font-size:14px;color:var(--muted);}
.quick-card .arrow{
  margin-top:6px;
  font-size:14px;
  color:var(--primary);
  font-weight:600;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  margin-top:88px;
  background:linear-gradient(120deg,var(--surface),#F2F8FC);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--sh-2);
}
.cta-band h2{
  font-size:clamp(1.4rem,2.2vw,1.9rem);
  margin-bottom:10px;
}
.cta-band p{color:var(--muted);font-size:16px;max-width:620px;}
.cta-band .btn{flex-shrink:0;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;
  background:var(--footer);
  color:#D5E3EE;
  padding:64px 0 28px;
}
.site-footer .brand-name{color:#fff;}
.site-footer .footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(213,227,238,.16);
}
.site-footer h3{
  color:#fff;
  font-size:15.5px;
  margin-bottom:16px;
  font-weight:600;
}
.site-footer p{
  font-size:14.5px;
  line-height:1.85;
  color:#A9C1D3;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{
  color:#A9C1D3;
  font-size:14.5px;
  transition:color var(--ease),padding-left var(--ease);
}
.footer-links a:hover{color:var(--sand);padding-left:4px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13.5px;
  color:#8CA6BA;
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{max-width:960px;}
}
@media (max-width:991px){
  .nav-links,.nav-shell>.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .page-hero .hero-inner{grid-template-columns:1fr;gap:28px;}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;}
  .feature-row{grid-template-columns:1fr;padding:26px;}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px;text-align:left;}
  .cta-band .btn{width:100%;}
  .site-footer .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding-top:72px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .page-hero{padding:40px 0 44px;border-radius:22px;}
  .nav-shell{width:calc(100% - 24px);padding:8px 10px 8px 14px;gap:12px;}
  .nav-panel{width:calc(100% - 24px);}
  .brand-name{font-size:15px;white-space:normal;line-height:1.3;max-width:180px;}
  .grid-cards{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:1fr;}
  .mini-stats{grid-template-columns:1fr;gap:10px;}
  .hero-actions .btn{width:100%;}
  .checklist{padding:22px 18px;}
  .panel{padding:24px 20px;}
  .faq-q{padding:18px 18px;font-size:16px;}
  .faq-a-inner p{padding:16px 18px 20px;}
  .site-footer{padding:48px 0 24px;margin-top:72px;}
  .site-footer .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:26px 22px;border-radius:22px;margin-top:72px;}
  .section{padding-top:56px;}
  .section-head{margin-bottom:26px;}
  .feature-row{padding:20px;}
}
@media (max-width:480px){
  h1{font-size:1.75rem;}
  .page-hero h1{font-size:1.7rem;}
  .section-head h2{font-size:1.4rem;padding-left:14px;}
  .hero-note{padding:18px;}
  .brand-name{font-size:14px;max-width:150px;}
  .card{padding:22px 18px;}
  .footer-bottom{font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: category2 */
:root {
      --bg: #F5F9FC;
      --surface: #EAF3FA;
      --card: #FFFFFF;
      --primary: #1F5F8B;
      --primary-dark: #143F5C;
      --accent: #2F8F83;
      --sand: #D7B98E;
      --text: #162A3A;
      --muted: #5E7385;
      --border: #D8E5EF;
      --success: #2F8F83;
      --warning: #B7791F;
      --danger: #C45545;
      --radius-pill: 999px;
      --radius-hero: 28px;
      --radius-card: 18px;
      --radius-input: 12px;
      --radius-img: 14px;
      --shadow-sm: 0 2px 8px rgba(20, 63, 92, .06);
      --shadow-md: 0 12px 32px rgba(20, 63, 92, .08);
      --shadow-lg: 0 24px 64px rgba(20, 63, 92, .12);
      --container: 1200px;
      --space-section: 96px;
      --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      font-size: 16.5px;
      line-height: 1.75;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    body,
    button,
    input,
    textarea,
    select {
      font-family: var(--font);
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    a {
      color: var(--primary);
      text-decoration: none;
    }

    a:hover {
      color: var(--primary-dark);
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    h1,
    h2,
    h3,
    h4,
    p {
      margin: 0;
    }

    ul,
    ol {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    :focus-visible {
      outline: 3px solid rgba(47, 143, 131, .35);
      outline-offset: 3px;
    }

    ::selection {
      background: rgba(31, 95, 139, .18);
    }

    .container {
      width: min(var(--container), calc(100% - 64px));
      margin-inline: auto;
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    /* 顶部悬浮胶囊导航 */
    .site-header {
      position: sticky;
      top: 16px;
      z-index: 100;
      width: min(1180px, calc(100% - 32px));
      margin: 16px auto 0;
    }

    .nav-shell {
      display: flex;
      align-items: center;
      gap: 22px;
      min-height: 64px;
      padding: 10px 12px 10px 18px;
      background: rgba(255, 255, 255, .9);
      border: 1px solid var(--border);
      border-radius: var(--radius-pill);
      box-shadow: var(--shadow-md);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      min-width: 0;
      color: var(--text);
      font-weight: 700;
      line-height: 1.2;
    }

    .brand:hover {
      color: var(--text);
    }

    .brand-mark {
      display: grid;
      place-items: center;
      flex: none;
      width: 38px;
      height: 38px;
      border-radius: 12px;
      color: #fff;
      font-size: 18px;
      font-weight: 700;
      background: linear-gradient(145deg, var(--primary), var(--primary-dark));
      box-shadow: 0 6px 14px rgba(20, 63, 92, .18);
    }

    .brand-name {
      overflow: hidden;
      font-size: 15px;
      letter-spacing: .01em;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 2px;
      margin-left: auto;
    }

    .nav-links a {
      padding: 9px 13px;
      border-radius: var(--radius-pill);
      color: var(--muted);
      font-size: 14.5px;
      font-weight: 500;
      white-space: nowrap;
      transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
    }

    .nav-links a:hover {
      color: var(--primary);
      background: var(--surface);
    }

    .nav-links a.active {
      color: var(--primary-dark);
      background: #DFEFF9;
      box-shadow: inset 0 0 0 1px rgba(31, 95, 139, .12);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 18px;
      border-radius: 12px;
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      white-space: nowrap;
      background: var(--primary);
      box-shadow: 0 6px 14px rgba(31, 95, 139, .18);
      transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }

    .nav-cta:hover {
      color: #fff;
      background: var(--primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 9px 20px rgba(20, 63, 92, .22);
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      width: 42px;
      height: 42px;
      margin-left: auto;
      padding: 0;
      border: 1px solid var(--border);
      border-radius: 50%;
      background: #fff;
      color: var(--primary);
    }

    .nav-toggle span {
      display: block;
      width: 16px;
      height: 2px;
      border-radius: 2px;
      background: currentColor;
      transition: transform .2s ease, opacity .2s ease;
    }

    .nav-toggle[aria-expanded="true"] span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

    .nav-toggle[aria-expanded="true"] span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle[aria-expanded="true"] span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    .nav-panel {
      display: none;
    }

    /* 首屏 */
    .page-hero {
      padding: 48px 0 0;
    }

    .hero-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-hero);
      background-image: url("/assets/images/backpic/back-2.webp");
      background-position: center;
      background-size: cover;
      box-shadow: var(--shadow-lg);
    }

    .hero-card::before {
      position: absolute;
      inset: 0;
      content: "";
      background: linear-gradient(90deg, rgba(245, 249, 252, .97) 0%, rgba(245, 249, 252, .93) 48%, rgba(245, 249, 252, .73) 100%);
    }

    .hero-inner {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.22fr) minmax(300px, .78fr);
      gap: 48px;
      align-items: center;
      padding: 56px;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 22px;
      color: var(--muted);
      font-size: 13.5px;
    }

    .breadcrumb a {
      color: var(--muted);
    }

    .breadcrumb a:hover {
      color: var(--primary);
    }

    .breadcrumb span {
      color: #93A7B6;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 13px;
      margin-bottom: 18px;
      border: 1px solid rgba(31, 95, 139, .16);
      border-radius: var(--radius-pill);
      color: var(--primary);
      font-size: 12.5px;
      font-weight: 600;
      letter-spacing: .08em;
      background: rgba(255, 255, 255, .7);
    }

    .eyebrow::before {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent);
      content: "";
    }

    .hero-copy h1 {
      margin: 0 0 18px;
      font-size: clamp(2.05rem, 3.7vw, 3.15rem);
      font-weight: 700;
      line-height: 1.16;
      letter-spacing: .01em;
    }

    .hero-copy h1 span {
      color: var(--primary);
    }

    .hero-lead {
      max-width: 630px;
      color: #3F5668;
      font-size: 17px;
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 20px;
      border: 1px solid transparent;
      border-radius: 12px;
      font-size: 15px;
      font-weight: 600;
      line-height: 1.2;
      transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }

    .btn:hover {
      transform: translateY(-1px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn-primary {
      color: #fff;
      background: var(--primary);
      box-shadow: 0 8px 18px rgba(31, 95, 139, .18);
    }

    .btn-primary:hover {
      color: #fff;
      background: var(--primary-dark);
      box-shadow: 0 11px 24px rgba(20, 63, 92, .22);
    }

    .btn-secondary {
      color: var(--primary);
      background: rgba(255, 255, 255, .8);
      border-color: rgba(31, 95, 139, .28);
    }

    .btn-secondary:hover {
      color: var(--primary-dark);
      background: var(--surface);
      border-color: rgba(31, 95, 139, .46);
    }

    .btn-ghost {
      color: var(--primary);
      background: transparent;
      border-color: transparent;
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .btn-ghost:hover {
      color: var(--accent);
      background: transparent;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 18px;
      margin-top: 24px;
      color: var(--muted);
      font-size: 13.5px;
    }

    .hero-meta span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .hero-meta span::before {
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--sand);
      content: "";
    }

    .flow-card {
      padding: 26px;
      border: 1px solid rgba(216, 229, 239, .94);
      border-radius: 22px;
      background: rgba(255, 255, 255, .95);
      box-shadow: var(--shadow-lg);
    }

    .flow-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .flow-head h2 {
      font-size: 18px;
      line-height: 1.4;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 10px;
      border-radius: var(--radius-pill);
      color: #23766C;
      font-size: 12px;
      font-weight: 600;
      background: rgba(47, 143, 131, .12);
      white-space: nowrap;
    }

    .status-pill::before {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
      content: "";
    }

    .flow-progress {
      margin: 14px 0 0;
    }

    .progress-label {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 9px;
      color: var(--muted);
      font-size: 12.5px;
    }

    .progress-label strong {
      color: var(--primary);
      font-size: 13px;
    }

    .progress-track {
      overflow: hidden;
      height: 8px;
      border-radius: var(--radius-pill);
      background: var(--border);
    }

    .progress-fill {
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--accent));
    }

    .flow-list {
      display: grid;
      gap: 10px;
      margin-top: 18px;
    }

    .flow-item {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .flow-dot {
      display: grid;
      place-items: center;
      flex: none;
      width: 24px;
      height: 24px;
      border: 1px solid var(--border);
      border-radius: 50%;
      color: var(--muted);
      font-size: 10.5px;
      font-weight: 700;
      background: #fff;
    }

    .flow-item.is-done .flow-dot {
      color: var(--accent);
      border-color: rgba(47, 143, 131, .32);
      background: rgba(47, 143, 131, .12);
    }

    .flow-item.is-active .flow-dot {
      color: var(--primary);
      border-color: rgba(31, 95, 139, .32);
      background: rgba(31, 95, 139, .1);
    }

    .flow-note {
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px dashed var(--border);
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    /* 快捷信息条 */
    .quick-strip {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .quick-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 18px;
      border: 1px solid var(--border);
      border-radius: 16px;
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .quick-icon {
      display: grid;
      place-items: center;
      flex: none;
      width: 38px;
      height: 38px;
      border-radius: 12px;
      color: var(--primary);
      font-size: 12px;
      font-weight: 700;
      background: var(--surface);
    }

    .quick-item strong {
      display: block;
      margin-bottom: 2px;
      font-size: 14.5px;
    }

    .quick-item span {
      display: block;
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.55;
    }

    /* 通用板块 */
    .section {
      padding: var(--space-section) 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 32px;
      margin-bottom: 38px;
    }

    .section-head > div:first-child {
      max-width: 720px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      color: var(--accent);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .12em;
    }

    .section-kicker::before {
      width: 22px;
      height: 2px;
      border-radius: 2px;
      background: var(--sand);
      content: "";
    }

    .section-head h2 {
      font-size: clamp(1.65rem, 2.4vw, 2.2rem);
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: .01em;
    }

    .section-head p {
      max-width: 520px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    /* 步骤轨道 */
    .timeline {
      position: relative;
      max-width: 1000px;
      margin: 0 auto;
    }

    .timeline::before {
      position: absolute;
      top: 18px;
      bottom: 18px;
      left: 50%;
      width: 2px;
      border-radius: 2px;
      background: linear-gradient(180deg, rgba(31, 95, 139, .05), rgba(47, 143, 131, .35), rgba(31, 95, 139, .05));
      transform: translateX(-50%);
      content: "";
    }

    .timeline-item {
      position: relative;
      display: grid;
      grid-template-columns: 1fr 64px 1fr;
      align-items: start;
      margin-bottom: 34px;
    }

    .timeline-marker {
      z-index: 1;
      display: grid;
      grid-column: 2;
      grid-row: 1;
      place-items: center;
      width: 54px;
      height: 54px;
      margin: 0 auto;
      border: 1px solid var(--border);
      border-radius: 50%;
      color: var(--primary);
      font-size: 14px;
      font-weight: 700;
      letter-spacing: .04em;
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .timeline-card {
      grid-column: 1;
      grid-row: 1;
      padding: 26px;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: var(--shadow-sm);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .timeline-item:nth-child(even) .timeline-card {
      grid-column: 3;
    }

    .timeline-item:hover .timeline-card {
      border-color: rgba(31, 95, 139, .3);
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .card-top {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 10px;
      border-radius: var(--radius-pill);
      font-size: 12px;
      font-weight: 600;
      line-height: 1.4;
    }

    .badge-primary {
      color: var(--primary);
      background: #E4F1F9;
    }

    .badge-accent {
      color: #23766C;
      background: rgba(47, 143, 131, .12);
    }

    .badge-sand {
      color: #8A6B37;
      background: rgba(215, 185, 142, .22);
    }

    .step-time {
      color: var(--muted);
      font-size: 12.5px;
    }

    .timeline-card h3 {
      margin-bottom: 10px;
      font-size: 1.28rem;
      line-height: 1.4;
    }

    .timeline-card p {
      color: #4A6172;
      font-size: 15px;
      line-height: 1.75;
    }

    .check-list {
      display: grid;
      gap: 8px;
      margin-top: 16px;
    }

    .check-list li {
      position: relative;
      padding-left: 24px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .check-list li::before {
      position: absolute;
      top: .55em;
      left: 0;
      width: 10px;
      height: 10px;
      border: 1px solid rgba(47, 143, 131, .4);
      border-radius: 50%;
      background: rgba(47, 143, 131, .14);
      content: "";
    }

    .step-note {
      margin-top: 16px;
      padding: 12px 14px;
      border-left: 3px solid var(--accent);
      border-radius: 12px;
      color: #456072;
      font-size: 13.5px;
      line-height: 1.7;
      background: var(--surface);
    }

    /* 进度自查 */
    .progress-panel {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 48px;
      align-items: center;
      padding: 40px;
      border: 1px solid var(--border);
      border-radius: 28px;
      background: linear-gradient(135deg, #EAF3FA 0%, #F8FBFD 100%);
      box-shadow: var(--shadow-sm);
    }

    .progress-copy .section-kicker {
      margin-bottom: 10px;
    }

    .progress-copy h2 {
      font-size: clamp(1.65rem, 2.2vw, 2rem);
      line-height: 1.3;
    }

    .progress-copy p {
      margin-top: 12px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
    }

    .progress-stat {
      display: flex;
      align-items: baseline;
      gap: 10px;
      margin-top: 20px;
    }

    .progress-stat strong {
      color: var(--primary);
      font-size: 2.6rem;
      font-weight: 700;
      line-height: 1;
    }

    .progress-stat span {
      color: var(--muted);
      font-size: 14px;
    }

    .progress-board {
      padding: 22px;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .board-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
      color: var(--muted);
      font-size: 13px;
    }

    .board-head strong {
      color: var(--primary);
    }

    .board-list {
      display: grid;
      gap: 4px;
      margin-top: 18px;
    }

    .board-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px dashed var(--border);
      font-size: 14px;
    }

    .board-item:last-child {
      border-bottom: 0;
    }

    .state-dot {
      display: grid;
      place-items: center;
      flex: none;
      width: 22px;
      height: 22px;
      border: 1px solid var(--border);
      border-radius: 50%;
      color: #93A7B6;
      font-size: 10.5px;
      font-weight: 700;
      background: #F4F7FA;
    }

    .board-item.done .state-dot {
      color: var(--accent);
      border-color: rgba(47, 143, 131, .35);
      background: rgba(47, 143, 131, .12);
    }

    .board-item.active .state-dot {
      color: var(--warning);
      border-color: rgba(183, 121, 31, .35);
      background: rgba(215, 185, 142, .22);
    }

    .state-text {
      margin-left: auto;
      color: var(--muted);
      font-size: 12.5px;
      white-space: nowrap;
    }

    .board-item.done .state-text {
      color: var(--accent);
    }

    .board-item.active .state-text {
      color: var(--warning);
    }

    /* 准备事项 bento */
    .bento {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 20px;
    }

    .bento-card {
      position: relative;
      overflow: hidden;
      padding: 26px;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: var(--shadow-sm);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .bento-card:hover {
      border-color: rgba(31, 95, 139, .3);
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .bento-media {
      display: flex;
      grid-column: span 7;
      flex-direction: column;
      padding: 0;
    }

    .bento-media img {
      width: 100%;
      height: 232px;
      object-fit: cover;
    }

    .bento-body {
      padding: 24px 26px 26px;
    }

    .bento-sm {
      grid-column: span 5;
    }

    .bento-wide {
      display: grid;
      grid-column: span 7;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      align-items: center;
    }

    .bento-wide img {
      width: 100%;
      height: 160px;
      object-fit: cover;
      border-radius: var(--radius-img);
    }

    .bento-card h3 {
      margin-bottom: 8px;
      font-size: 1.2rem;
      line-height: 1.4;
    }

    .bento-card p {
      color: var(--muted);
      font-size: 14.5px;
      line-height: 1.75;
    }

    .mini-list {
      display: grid;
      gap: 10px;
      margin-top: 16px;
    }

    .mini-list li {
      display: flex;
      gap: 10px;
      color: #4A6172;
      font-size: 14px;
      line-height: 1.65;
    }

    .mini-list li::before {
      flex: none;
      width: 6px;
      height: 6px;
      margin-top: .65em;
      border-radius: 50%;
      background: var(--accent);
      content: "";
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 5px 10px;
      border-radius: var(--radius-pill);
      color: var(--primary);
      font-size: 12px;
      font-weight: 500;
      background: var(--surface);
    }

    .link-arrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 16px;
      color: var(--primary);
      font-size: 14px;
      font-weight: 600;
    }

    .link-arrow::after {
      content: "→";
      transition: transform .2s ease;
    }

    .link-arrow:hover::after {
      transform: translateX(3px);
    }

    /* 常见卡点 */
    .trouble-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .trouble-card {
      padding: 26px;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: var(--shadow-sm);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .trouble-card:hover {
      border-color: rgba(31, 95, 139, .3);
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .trouble-icon {
      display: grid;
      place-items: center;
      width: 44px;
      height: 44px;
      margin-bottom: 18px;
      border-radius: 14px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      background: var(--surface);
    }

    .trouble-card h3 {
      margin-bottom: 8px;
      font-size: 1.15rem;
      line-height: 1.45;
    }

    .trouble-card p {
      color: var(--muted);
      font-size: 14.5px;
      line-height: 1.75;
    }

    /* FAQ */
    .faq-layout {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 48px;
      align-items: start;
    }

    .faq-intro h2 {
      font-size: clamp(1.65rem, 2.3vw, 2.1rem);
      line-height: 1.3;
    }

    .faq-intro p {
      margin-top: 14px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: 16px;
      background: #fff;
      transition: border-color .22s ease, box-shadow .22s ease;
    }

    .faq-item.is-open {
      border-color: rgba(47, 143, 131, .35);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      width: 100%;
      padding: 20px 22px;
      border: 0;
      color: var(--text);
      font-size: 16px;
      font-weight: 600;
      line-height: 1.5;
      text-align: left;
      background: none;
    }

    .faq-question:hover {
      color: var(--primary);
    }

    .faq-icon {
      position: relative;
      flex: none;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--surface);
      transition: transform .22s ease, background-color .22s ease;
    }

    .faq-icon::before,
    .faq-icon::after {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 12px;
      height: 2px;
      border-radius: 2px;
      background: var(--primary);
      transform: translate(-50%, -50%);
      content: "";
      transition: transform .22s ease;
    }

    .faq-icon::after {
      transform: translate(-50%, -50%) rotate(90deg);
    }

    .faq-item.is-open .faq-icon {
      background: rgba(47, 143, 131, .12);
      transform: rotate(180deg);
    }

    .faq-item.is-open .faq-icon::after {
      transform: translate(-50%, -50%) rotate(0);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .3s ease;
    }

    .faq-answer-inner {
      margin-left: 22px;
      padding: 0 22px 22px 16px;
      border-left: 3px solid transparent;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
      transition: border-color .22s ease;
    }

    .faq-item.is-open .faq-answer-inner {
      border-left-color: var(--accent);
    }

    /* CTA 带 */
    .cta-section {
      padding: 0 0 var(--space-section);
    }

    .cta-panel {
      position: relative;
      display: flex;
      overflow: hidden;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      padding: 38px 42px;
      border: 1px solid var(--border);
      border-radius: 28px;
      background: linear-gradient(120deg, #EAF3FA 0%, #F9FCFE 65%, #EDF6F3 100%);
      box-shadow: var(--shadow-sm);
    }

    .cta-panel::after {
      position: absolute;
      right: -60px;
      bottom: -80px;
      width: 240px;
      height: 240px;
      border: 1px solid rgba(215, 185, 142, .35);
      border-radius: 50%;
      content: "";
    }

    .cta-copy {
      position: relative;
      z-index: 1;
      max-width: 720px;
    }

    .cta-copy h2 {
      font-size: clamp(1.55rem, 2.2vw, 2rem);
      line-height: 1.35;
    }

    .cta-copy p {
      margin-top: 10px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .cta-actions {
      position: relative;
      z-index: 1;
      display: flex;
      flex: none;
      gap: 12px;
    }

    /* 页脚 */
    .site-footer {
      padding: 64px 0 28px;
      color: #fff;
      background: #0F2A3F;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 32px;
      padding-bottom: 40px;
    }

    .footer-brand .brand {
      margin-bottom: 16px;
      color: #fff;
    }

    .footer-brand .brand:hover {
      color: #fff;
    }

    .footer-brand .brand-mark {
      color: #fff;
      background: rgba(255, 255, 255, .13);
      box-shadow: none;
    }

    .footer-brand p {
      max-width: 340px;
      color: rgba(255, 255, 255, .66);
      font-size: 14px;
      line-height: 1.8;
    }

    .site-footer h3 {
      margin-bottom: 14px;
      color: #fff;
      font-size: 14px;
      font-weight: 600;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, .66);
      font-size: 14px;
      transition: color .2s ease;
    }

    .footer-links a:hover {
      color: var(--sand);
    }

    .site-footer p {
      color: rgba(255, 255, 255, .66);
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 16px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, .12);
      color: rgba(255, 255, 255, .5);
      font-size: 12.5px;
    }

    /* 响应式 */
    @media (max-width: 1199px) {
      .container {
        width: min(960px, calc(100% - 48px));
      }

      .hero-inner {
        padding: 44px;
      }
    }

    @media (max-width: 991px) {
      .container {
        width: calc(100% - 48px);
      }

      .site-header {
        width: calc(100% - 24px);
      }

      .nav-links,
      .nav-shell > .nav-cta {
        display: none;
      }

      .nav-toggle {
        display: flex;
      }

      .nav-panel {
        position: absolute;
        top: calc(100% + 10px);
        right: 0;
        left: 0;
        display: block;
        overflow: hidden;
        max-height: 0;
        padding: 0 12px;
        border: 1px solid transparent;
        border-radius: 20px;
        opacity: 0;
        background: rgba(255, 255, 255, .98);
        box-shadow: var(--shadow-lg);
        transition: max-height .28s ease, opacity .2s ease, padding .2s ease, border-color .2s ease;
      }

      .nav-panel.is-open {
        max-height: 460px;
        padding: 12px;
        border-color: var(--border);
        opacity: 1;
      }

      .nav-panel a {
        display: flex;
        align-items: center;
        min-height: 44px;
        padding: 0 14px;
        border-radius: 12px;
        color: var(--muted);
        font-size: 15px;
        font-weight: 500;
      }

      .nav-panel a:hover {
        color: var(--primary);
        background: var(--surface);
      }

      .nav-panel a.active {
        color: var(--primary-dark);
        background: #DFEFF9;
      }

      .nav-panel .nav-cta {
        justify-content: center;
        margin-top: 8px;
        color: #fff;
        background: var(--primary);
      }

      .nav-panel .nav-cta:hover {
        color: #fff;
        background: var(--primary-dark);
      }

      .hero-inner {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 36px;
      }

      .hero-card::before {
        background: linear-gradient(180deg, rgba(245, 249, 252, .97) 0%, rgba(245, 249, 252, .91) 62%, rgba(245, 249, 252, .82) 100%);
      }

      .quick-strip {
        grid-template-columns: repeat(2, 1fr);
      }

      .section {
        padding: 72px 0;
      }

      .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
      }

      .timeline::before {
        left: 24px;
      }

      .timeline-item {
        grid-template-columns: 52px 1fr;
        gap: 18px;
      }

      .timeline-marker {
        grid-column: 1;
        width: 48px;
        height: 48px;
        margin: 0;
      }

      .timeline-card,
      .timeline-item:nth-child(even) .timeline-card {
        grid-column: 2;
      }

      .progress-panel {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 32px;
      }

      .bento-media,
      .bento-sm,
      .bento-wide {
        grid-column: span 12;
      }

      .bento-wide {
        grid-template-columns: 1fr 1fr;
      }

      .trouble-grid {
        grid-template-columns: 1fr 1fr;
      }

      .faq-layout {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }

      .cta-panel {
        align-items: flex-start;
      }
    }

    @media (max-width: 767px) {
      .container {
        width: calc(100% - 32px);
      }

      .site-header {
        top: 8px;
        width: calc(100% - 24px);
        margin-top: 8px;
      }

      .nav-shell {
        min-height: 58px;
        gap: 10px;
        padding: 8px 10px 8px 12px;
      }

      .brand {
        gap: 9px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        border-radius: 11px;
        font-size: 16px;
      }

      .brand-name {
        font-size: 13.5px;
      }

      .nav-toggle {
        width: 38px;
        height: 38px;
      }

      .page-hero {
        padding-top: 34px;
      }

      .hero-inner {
        padding: 28px 22px;
      }

      .hero-copy h1 {
        font-size: clamp(1.8rem, 8vw, 2.25rem);
      }

      .hero-lead {
        font-size: 15.5px;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .quick-strip {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 56px 0;
      }

      .timeline-item {
        grid-template-columns: 42px 1fr;
        gap: 14px;
      }

      .timeline-marker {
        width: 40px;
        height: 40px;
        font-size: 12px;
      }

      .timeline-card {
        padding: 22px;
      }

      .progress-panel {
        padding: 24px;
      }

      .bento-wide {
        grid-template-columns: 1fr;
      }

      .bento-wide img {
        height: 190px;
      }

      .trouble-grid {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        flex-direction: column;
        align-items: flex-start;
        padding: 30px 24px;
      }

      .cta-actions {
        width: 100%;
        flex-direction: column;
      }

      .cta-actions .btn {
        width: 100%;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 16px;
      }

      .hero-copy h1 {
        font-size: 1.78rem;
      }

      .hero-meta {
        gap: 8px 12px;
        font-size: 12.5px;
      }

      .flow-card {
        padding: 20px;
      }

      .quick-item {
        padding: 16px;
      }

      .timeline::before {
        left: 20px;
      }

      .timeline-item {
        grid-template-columns: 40px 1fr;
        gap: 12px;
      }

      .timeline-marker {
        width: 40px;
        height: 40px;
      }

      .faq-question {
        padding: 18px;
        font-size: 15px;
      }

      .faq-answer-inner {
        margin-left: 18px;
        padding-right: 18px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
      }
    }

/* roulang page: category4 */
:root{
  --bg:#F5F9FC;
  --surface:#EAF3FA;
  --card:#FFFFFF;
  --primary:#1F5F8B;
  --primary-deep:#143F5C;
  --accent:#2F8F83;
  --sand:#D7B98E;
  --text:#162A3A;
  --muted:#5E7385;
  --border:#D8E5EF;
  --ok:#2F8F83;
  --warn:#B7791F;
  --danger:#C45545;
  --shadow-sm:0 2px 8px rgba(20,63,92,.06);
  --shadow-md:0 12px 32px rgba(20,63,92,.08);
  --shadow-lg:0 24px 64px rgba(20,63,92,.12);
  --pill:999px;
  --r-card:18px;
  --r-hero:26px;
  --r-input:11px;
  --section:96px;
}
*,*::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:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-deep)}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.15em}
li{line-height:1.8}
:focus-visible{outline:3px solid rgba(47,143,131,.38);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--section) 0}
.section-tight{padding:64px 0}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  background:rgba(47,143,131,.10);color:#26695F;
  font-size:13px;font-weight:600;letter-spacing:.06em;
}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:13px;font-weight:600;line-height:1.6;
  background:var(--surface);color:var(--primary);
}
.badge-accent{background:rgba(47,143,131,.12);color:#26695F}
.badge-sand{background:rgba(215,185,142,.22);color:#8A6A32}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:12px;z-index:80;
  padding:0 16px;
}
.nav-shell{
  width:min(1180px,100%);
  margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.88);
  border:1px solid var(--border);
  border-radius:var(--pill);
  box-shadow:var(--shadow-md);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:11px;
  display:grid;place-items:center;
  background:var(--primary);color:#fff;
  font-weight:700;font-size:17px;
  box-shadow:inset 0 -2px 0 rgba(255,255,255,.18);
}
.brand-name{
  font-size:16px;font-weight:700;letter-spacing:.01em;
  color:var(--primary-deep);white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-links a{
  padding:8px 14px;border-radius:var(--pill);
  font-size:14.5px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--surface);color:var(--primary)}
.nav-links a.active{background:var(--surface);color:var(--primary);font-weight:600}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--pill);
  background:var(--primary);color:#fff;font-size:14.5px;font-weight:600;
  white-space:nowrap;box-shadow:var(--shadow-sm);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.nav-toggle{
  display:none;width:44px;height:44px;flex:none;
  align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:14px;
  background:#fff;cursor:pointer;
  flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary-deep);transition:transform .2s ease,opacity .2s ease}
.nav-panel{display:none}

/* ---------- hero ---------- */
.page-hero{position:relative;padding:128px 0 64px;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:rgba(245,249,252,.90);
}
.page-hero > .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:start}
.hero-copy h1{
  margin:18px 0 16px;
  font-size:clamp(2.25rem,4.2vw,3.75rem);
  line-height:1.18;font-weight:700;letter-spacing:.01em;
  color:var(--primary-deep);
}
.hero-sub{
  max-width:620px;font-size:17px;line-height:1.8;color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;
  font-size:15.5px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--border)}
.btn-ghost:hover{background:var(--surface);border-color:var(--primary);transform:translateY(-1px)}
.btn-block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.hero-meta{
  margin-top:34px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:16px;overflow:hidden;
}
.meta-item{background:#fff;padding:16px 18px}
.meta-num{display:block;font-size:20px;font-weight:700;color:var(--primary-deep);line-height:1.3}
.meta-label{display:block;font-size:13px;color:var(--muted);margin-top:2px}

.hero-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-hero);overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.hero-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface)}
.hero-card-media img{width:100%;height:100%;object-fit:cover}
.hero-card-body{padding:24px 26px 26px}
.hero-card-body h2{font-size:19px;font-weight:700;color:var(--primary-deep);margin:14px 0 12px}
.mini-list{list-style:none;padding:0;margin:0 0 20px;display:flex;flex-direction:column;gap:2px}
.mini-list a{
  display:flex;align-items:flex-start;gap:9px;
  padding:9px 10px;border-radius:10px;
  font-size:14.5px;color:var(--text);line-height:1.65;
  transition:background .2s ease,color .2s ease;
}
.mini-list a::before{content:"›";color:var(--accent);font-weight:700;line-height:1.4}
.mini-list a:hover{background:var(--surface);color:var(--primary)}
.hero-card-note{margin-top:12px;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--border);
  font-size:14.5px;font-weight:500;color:var(--primary-deep);
  box-shadow:var(--shadow-sm);
  transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
}
.chip:hover{background:var(--surface);border-color:rgba(31,95,139,.4);transform:translateY(-1px);color:var(--primary)}
.chip span{font-size:12.5px;color:var(--muted);font-weight:600}

/* ---------- section head ---------- */
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(1.75rem,2.4vw,2.25rem);
  line-height:1.3;font-weight:700;color:var(--primary-deep);
  letter-spacing:.01em;margin:14px 0 12px;
}
.section-head p{color:var(--muted);font-size:16px;line-height:1.8}

/* ---------- faq ---------- */
.faq-group{margin-bottom:44px;scroll-margin-top:120px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.group-head h2{
  font-size:22px;font-weight:700;color:var(--primary-deep);line-height:1.4;
  padding-left:14px;position:relative;
}
.group-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--primary);
}
.group-head span{font-size:13.5px;color:var(--muted)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(31,95,139,.32)}
.faq-item.open{border-color:rgba(31,95,139,.38);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;border:0;background:none;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;line-height:1.65;color:var(--text);
  position:relative;transition:color .2s ease,background .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-item.open .faq-q{color:var(--primary-deep)}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--accent);
}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--border);position:relative;
  transition:border-color .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);
  border-radius:2px;transform:translate(-50%,-50%);
  transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{width:11px;height:1.8px}
.faq-icon::after{width:1.8px;height:11px}
.faq-item.open .faq-icon{background:var(--surface);border-color:rgba(31,95,139,.35)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{
  padding:0 22px 22px;
  font-size:16px;line-height:1.8;color:var(--muted);
  border-top:1px solid var(--border);
  padding-top:18px;margin:0 22px 22px;padding-left:0;padding-right:0;
}
.faq-a-inner strong{color:var(--primary-deep);font-weight:600}

/* ---------- panel / checklist ---------- */
.panel-soft{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-hero);
  padding:40px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;
}
.panel-soft h2{font-size:clamp(1.5rem,2.1vw,1.95rem);font-weight:700;color:var(--primary-deep);line-height:1.35;margin-bottom:12px}
.panel-soft > div > p{color:var(--muted);font-size:15.5px}
.checklist{list-style:none;padding:0;margin:24px 0 0;display:flex;flex-direction:column;gap:14px}
.check-item{display:flex;gap:14px;align-items:flex-start}
.check-num{
  flex:none;width:30px;height:30px;border-radius:10px;
  background:#fff;border:1px solid var(--border);
  display:grid;place-items:center;
  font-size:13.5px;font-weight:700;color:var(--primary);
}
.check-body strong{display:block;font-size:15.5px;color:var(--primary-deep);font-weight:600}
.check-body span{font-size:14.5px;color:var(--muted);line-height:1.75}
.panel-media{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-md);background:#fff}
.panel-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- info cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.info-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(31,95,139,.3)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.info-card:hover .card-media img{transform:scale(1.02)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:700;color:var(--primary-deep);line-height:1.45}
.card-body p{font-size:15px;color:var(--muted);line-height:1.75}
.card-link{
  margin-top:auto;padding-top:6px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--primary);
}
.card-link::after{content:"→";transition:transform .2s ease}
.card-link:hover::after{transform:translateX(3px)}

/* ---------- cta ---------- */
.cta-band{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:28px;
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-sm);
}
.cta-band h2{font-size:clamp(1.5rem,2.2vw,2rem);font-weight:700;color:var(--primary-deep);line-height:1.35;margin-bottom:8px}
.cta-band p{color:var(--muted);font-size:15.5px;max-width:640px}
.cta-band .btn{flex:none}

/* ---------- footer ---------- */
.site-footer{
  background:#0F2A3F;color:#fff;
  padding:64px 0 28px;margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-grid h3{font-size:15px;font-weight:600;margin-bottom:14px;color:#fff;letter-spacing:.02em}
.site-footer p{color:rgba(255,255,255,.7);font-size:14.5px;line-height:1.8}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22)}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{color:rgba(255,255,255,.7);font-size:14.5px;transition:color .2s ease}
.footer-links a:hover{color:var(--sand)}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);line-height:1.7;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:960px}
  :root{--section:80px}
  .hero-grid{gap:32px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  :root{--section:72px}
  .nav-links,.nav-shell > .nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-shell{padding:9px 10px 9px 16px}
  .nav-panel{
    display:none;
    width:min(1180px,100%);
    margin:10px auto 0;
    background:#fff;border:1px solid var(--border);
    border-radius:22px;box-shadow:var(--shadow-md);
    padding:12px;
    flex-direction:column;gap:4px;
  }
  body.nav-open .nav-panel{display:flex}
  .nav-panel a{
    padding:12px 16px;border-radius:12px;
    font-size:15px;color:var(--muted);font-weight:500;
  }
  .nav-panel a:hover{background:var(--surface);color:var(--primary)}
  .nav-panel a.active{background:var(--surface);color:var(--primary);font-weight:600}
  .nav-panel .nav-cta{margin-top:8px;height:46px;border-radius:12px;color:#fff;justify-content:center}
  .nav-panel .nav-cta:hover{background:var(--primary-deep);color:#fff}
  .page-hero{padding:112px 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-card{max-width:560px}
  .hero-meta{grid-template-columns:repeat(2,1fr)}
  .panel-soft{grid-template-columns:1fr;padding:32px;gap:28px}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px;gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  :root{--section:56px}
  body{font-size:16px}
  .page-hero{padding:104px 0 44px}
  .brand-name{font-size:14.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-meta{grid-template-columns:1fr 1fr}
  .hero-card-body{padding:20px}
  .faq-q{font-size:16px;padding:16px 18px;gap:12px}
  .faq-a-inner{margin:0 18px 18px;padding-top:16px;font-size:15.5px}
  .group-head h2{font-size:20px}
  .card-grid{grid-template-columns:1fr}
  .panel-soft{padding:26px 22px;border-radius:22px}
  .cta-band{padding:28px 22px;border-radius:22px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .section-tight{padding:44px 0}
}
@media (max-width:480px){
  .hero-copy h1{font-size:2rem}
  .hero-sub{font-size:16px}
  .brand-mark{width:30px;height:30px;border-radius:9px;font-size:15px}
  .brand-name{font-size:13.5px;white-space:normal;line-height:1.3}
  .nav-shell{gap:10px}
  .hero-meta{grid-template-columns:1fr}
  .meta-item{padding:14px 16px}
  .chip{padding:8px 14px;font-size:13.5px}
  .section-head h2{font-size:1.6rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category5 */
:root{
  --bg:#F5F9FC;
  --surface:#EAF3FA;
  --card:#FFFFFF;
  --primary:#1F5F8B;
  --primary-dark:#143F5C;
  --accent:#2F8F83;
  --sand:#D7B98E;
  --ink:#162A3A;
  --muted:#5E7385;
  --line:#D8E5EF;
  --success:#2F8F83;
  --warn:#B7791F;
  --danger:#C45545;
  --radius-pill:999px;
  --radius-hero:26px;
  --radius-card:18px;
  --radius-input:12px;
  --shadow-1:0 2px 8px rgba(20,63,92,.06);
  --shadow-2:0 12px 32px rgba(20,63,92,.08);
  --shadow-3:0 24px 64px rgba(20,63,92,.12);
  --container:1200px;
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(47,143,131,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:16px;z-index:80;padding:0;}
.nav-shell{
  width:min(1180px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-2);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--primary),var(--primary-dark));
  color:#fff;font-weight:700;font-size:16px;letter-spacing:0;
  box-shadow:0 6px 16px rgba(31,95,139,.28);
}
.brand-name{font-weight:600;font-size:16px;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  padding:8px 14px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--muted);white-space:nowrap;
}
.nav-links a:hover{background:var(--surface);color:var(--primary-dark);}
.nav-links a.active{background:#DCEAF5;color:var(--primary);font-weight:600;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:var(--radius-pill);
  background:var(--primary);color:#fff;font-size:14.5px;font-weight:500;
  box-shadow:0 8px 18px rgba(31,95,139,.22);
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
  flex-shrink:0;
}
.nav-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(20,63,92,.25);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;margin-left:auto;}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--primary-dark);transition:transform .2s ease,opacity .2s ease;}
.nav-panel{
  display:none;
  width:min(1180px,calc(100% - 32px));
  margin:8px auto 0;
  padding:12px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-2);
}
.nav-panel a{display:block;padding:12px 14px;border-radius:12px;color:var(--muted);font-size:15.5px;}
.nav-panel a:hover,.nav-panel a.active{background:var(--surface);color:var(--primary);font-weight:600;}
.nav-panel .nav-cta{margin-top:6px;height:46px;color:#fff;justify-content:center;background:var(--primary);}
.nav-panel .nav-cta:hover{color:#fff;background:var(--primary-dark);}

/* ============ 通用按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;
  font-size:15.5px;font-weight:500;letter-spacing:.01em;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(31,95,139,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 16px 32px rgba(20,63,92,.26);}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid #B9D2E4;}
.btn-ghost:hover{background:var(--surface);color:var(--primary-dark);transform:translateY(-1px);}
.btn-block{width:100%;}
.btn[disabled]{opacity:.62;cursor:not-allowed;transform:none;box-shadow:none;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:500;line-height:1.5;
}
.badge-soft{background:#DCEAF5;color:var(--primary);}
.badge-ok{background:#DDF1EC;color:#1F6B61;}
.badge-warn{background:#F6EBD8;color:var(--warn);}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:56px 0 72px;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(245,249,252,.91);}
.page-hero>.container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:36px;align-items:start;}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:#DCEAF5;color:var(--primary);
  font-size:13.5px;font-weight:500;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.page-hero h1{
  font-size:clamp(2.05rem,3.4vw,2.9rem);
  line-height:1.2;color:var(--primary-dark);
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;}
.hero-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--muted);}
.hero-points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);opacity:.85;
}
.hero-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-hero);
  padding:26px;box-shadow:var(--shadow-3);
}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.hero-card-head h2{font-size:17.5px;color:var(--primary-dark);}
.hero-card-text{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.7;}
.mini-steps{margin:20px 0;display:grid;gap:10px;}
.mini-steps li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--muted);}
.mini-steps .dot{width:14px;height:14px;border-radius:50%;border:2px solid var(--line);flex-shrink:0;position:relative;}
.mini-steps li.done .dot{background:var(--accent);border-color:var(--accent);}
.mini-steps li.done .dot::after{content:"";position:absolute;left:3px;top:1px;width:4px;height:7px;border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(40deg);}
.mini-steps li.current .dot{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,95,139,.14);}
.mini-steps li.current{color:var(--primary-dark);font-weight:500;}
.hero-card-note{margin-top:14px;font-size:13px;color:var(--muted);text-align:center;}

/* ============ 板块 ============ */
.section{padding:var(--section-y) 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{display:inline-block;font-size:13.5px;font-weight:500;color:var(--accent);letter-spacing:.08em;margin-bottom:12px;}
.section-head h2{font-size:clamp(1.65rem,2.3vw,2.15rem);color:var(--primary-dark);}
.section-head h2::before{content:"";display:block;width:42px;height:3px;border-radius:3px;background:var(--primary);margin-bottom:16px;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}

/* ============ 支持范围 ============ */
.scope-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center;}
.scope-media{position:relative;}
.scope-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-hero);box-shadow:var(--shadow-2);}
.scope-media::after{
  content:"";position:absolute;inset:auto -14px -14px auto;width:110px;height:110px;border-radius:24px;
  background:rgba(215,185,142,.35);z-index:-1;
}
.scope-list{display:grid;gap:16px;}
.scope-item{
  display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scope-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,95,139,.3);}
.scope-num{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:#DCEAF5;color:var(--primary);font-weight:600;font-size:15px;
}
.scope-item h3{font-size:16.5px;color:var(--primary-dark);}
.scope-item p{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.7;}

/* ============ 响应流程 ============ */
.flow{position:relative;display:grid;gap:18px;max-width:900px;margin:0 auto;}
.flow::before{
  content:"";position:absolute;left:29px;top:18px;bottom:18px;width:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));opacity:.28;border-radius:2px;
}
.flow-item{
  position:relative;display:grid;grid-template-columns:60px 1fr;gap:18px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,95,139,.3);}
.flow-num{
  width:60px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:15px;font-weight:600;letter-spacing:.04em;
}
.flow-body h3{font-size:17px;color:var(--primary-dark);}
.flow-body p{margin-top:6px;font-size:14.8px;color:var(--muted);line-height:1.75;}
.flow-note{
  margin:28px auto 0;max-width:900px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 22px;font-size:14.5px;color:var(--muted);box-shadow:var(--shadow-1);
}
.flow-note strong{color:var(--primary-dark);font-weight:600;}

/* ============ 表单 + 支持信息 ============ */
.support-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:36px;align-items:start;}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-hero);
  padding:32px;box-shadow:var(--shadow-2);
}
.form-card h2{font-size:22px;color:var(--primary-dark);}
.form-card>.lead{margin-top:10px;font-size:14.8px;color:var(--muted);}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-top:20px;display:flex;flex-direction:column;gap:8px;}
.field-grid .field{margin-top:20px;}
.field label{font-size:14.5px;font-weight:500;color:var(--ink);}
.req{color:var(--danger);}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-input);
  background:#FBFDFE;padding:0 14px;height:48px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{height:auto;padding:12px 14px;min-height:132px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#9AAEBD;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#BFD5E6;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 4px rgba(47,143,131,.16);
}
.field-error{display:none;font-size:13px;color:var(--danger);}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--danger);background:#FDF5F4;}
.field.invalid .field-error{display:block;}
.form-hint{margin-top:16px;font-size:13.5px;color:var(--muted);background:var(--surface);border-radius:12px;padding:12px 14px;line-height:1.7;}
.form-foot{display:flex;align-items:center;justify-content:flex-end;gap:16px;margin-top:22px;flex-wrap:wrap;}
.form-status{font-size:14px;color:var(--muted);margin-right:auto;}
.form-status.ok{color:var(--success);}
.form-status.err{color:var(--danger);}
.support-side{display:grid;gap:18px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16.5px;color:var(--primary-dark);margin-bottom:14px;}
.side-list{display:grid;gap:12px;}
.side-list li{display:grid;grid-template-columns:auto 1fr;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7;}
.side-list li span.k{color:var(--primary-dark);font-weight:500;white-space:nowrap;}
.side-card.warm{border-color:rgba(215,185,142,.55);background:#FBF6EE;}
.side-card.warm h3{color:#8A6A38;}
.side-card.warm p{font-size:14.5px;color:#7C6242;line-height:1.75;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(47,143,131,.45);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:500;color:var(--primary-dark);
  line-height:1.5;
}
.faq-q:hover{background:#FAFCFE;}
.faq-icon{position:relative;width:22px;height:22px;flex-shrink:0;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:340px;}
.faq-a-inner{
  padding:0 24px 22px 24px;border-left:3px solid var(--accent);margin-left:0;
  font-size:15.5px;color:var(--muted);line-height:1.8;
}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(135deg,#E6F1F9,#EAF6F3);
  border:1px solid var(--line);border-radius:28px;
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:clamp(1.5rem,2.2vw,2rem);color:var(--primary-dark);}
.cta-band p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

/* ============ 页脚 ============ */
.site-footer{background:#0F2A3F;color:#D9E6EF;padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:32px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:#A9C1D3;}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:#A9C1D3;font-size:14.5px;}
.footer-links a:hover{color:var(--sand);}
.site-footer p{font-size:14.5px;color:#A9C1D3;line-height:1.8;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13.5px;color:#8FA9BC;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  :root{--section-y:80px;}
}
@media (max-width:991px){
  :root{--section-y:72px;}
  .nav-links,.nav-shell>.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-panel{display:none;}
  .nav-panel.open{display:block;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-card{box-shadow:var(--shadow-2);}
  .scope-grid{grid-template-columns:1fr;gap:28px;}
  .scope-media img{aspect-ratio:16/9;}
  .support-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  :root{--section-y:56px;}
  .container{padding:0 16px;}
  .page-hero{padding:36px 0 52px;}
  .hero-actions .btn,.form-foot .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .field-grid{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;border-radius:20px;}
  .form-foot{flex-direction:column;align-items:stretch;}
  .form-status{margin-right:0;text-align:center;}
  .cta-band{padding:28px 22px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .flow::before{left:24px;}
  .flow-item{grid-template-columns:1fr;gap:12px;padding:20px;}
  .flow-num{width:48px;height:36px;}
  .scope-item{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a-inner{padding:0 18px 20px 18px;}
}
@media (max-width:480px){
  .brand-name{font-size:14.5px;}
  .page-hero h1{font-size:1.72rem;}
  .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:1.45rem;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}