/* roulang page: index */
:root{
  --brand-700:#12379E;--brand-600:#1B4FE0;--brand-500:#3A6BF2;--brand-50:#EDF2FF;
  --accent-600:#E8561C;--accent-500:#FF6A2B;--accent-50:#FFF2EC;
  --ink-900:#0E1526;--ink-700:#2B3A55;--ink-500:#5A6B85;
  --line:#E3E9F2;--bg:#F5F7FB;--surface:#FFFFFF;--ok-500:#12A150;
  --sh-1:0 1px 2px rgba(14,21,38,.04),0 6px 18px rgba(14,21,38,.06);
  --sh-2:0 12px 30px rgba(27,79,224,.14);
  --sh-3:0 20px 44px rgba(14,21,38,.16);
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;
  --mono:"DIN Alternate",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink-700);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--brand-700);color:rgba(255,255,255,.86);font-size:12.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:38px}
.topbar-domain{font-family:var(--mono);letter-spacing:.05em;color:#fff;white-space:nowrap}
.topbar-notice{flex:1;text-align:center;color:rgba(255,255,255,.76);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{color:#fff;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.topbar-link:hover{color:#fff;opacity:.85}
.topbar-link .arw{transition:transform .2s}
.topbar-link:hover .arw{transform:translateX(3px)}

/* ===== 主导航 ===== */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:800;font-size:17px;white-space:nowrap}
.brand:hover{color:var(--brand-700)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;flex:none}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;padding:10px 14px;font-size:15px;color:var(--ink-700);border-radius:10px;white-space:nowrap}
.nav-link:hover{color:var(--brand-600);background:var(--brand-50)}
.nav-link.is-active{color:var(--brand-600);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--brand-600)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.text-link{font-size:14.5px;color:var(--ink-700)}
.text-link:hover{color:var(--brand-600)}
.hamburger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:.2s}
.hamburger:hover{border-color:var(--brand-500);background:var(--brand-50)}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;
  border-radius:var(--r-md);font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .22s,color .22s,transform .22s,box-shadow .22s,border-color .22s}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 6px 16px rgba(27,79,224,.24)}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand-600)}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50);color:var(--brand-700)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn .arrow{transition:transform .22s ease}
.btn:hover .arrow{transform:translateX(3px)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

/* ===== 通用标签 ===== */
.badge{display:inline-block;font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:var(--r-sm)}
.badge-brand{background:var(--brand-50);color:var(--brand-700)}
.badge-accent{background:var(--accent-50);color:var(--accent-600)}
.tag{display:inline-block;font-size:12px;padding:3px 10px;border-radius:var(--r-sm);background:var(--brand-50);color:var(--brand-700)}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:72px 0 84px;
  background:radial-gradient(120% 90% at 88% 0%,rgba(237,242,255,.95) 0%,rgba(245,247,251,0) 62%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.hero-title{font-size:clamp(30px,4vw,52px);line-height:1.2;font-weight:800;margin:18px 0 16px}
.hero-lead{font-size:17px;line-height:1.8;color:var(--ink-500);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding-top:26px;border-top:1px solid var(--line)}
.stat-num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--brand-600);line-height:1.2}
.stat-num small{font-size:13px;font-weight:600;color:var(--ink-500);margin-left:2px}
.stat-label{font-size:12.5px;line-height:1.5;color:var(--ink-500);margin-top:4px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-3)}
.hero-float{position:absolute;right:18px;bottom:18px;width:232px;background:#fff;border-radius:var(--r-lg);
  padding:16px 18px;box-shadow:var(--sh-3)}
.float-head{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--ink-900)}
.dot-ok{width:8px;height:8px;border-radius:50%;background:var(--ok-500);box-shadow:0 0 0 3px rgba(18,161,80,.16)}
.progress{height:8px;border-radius:999px;background:var(--line);overflow:hidden;margin:12px 0 8px}
.progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent-500),var(--brand-600));transition:width .6s ease}
.float-foot{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--ink-500)}
.float-foot b{font-family:var(--mono);font-size:13px;color:var(--brand-600)}

/* ===== 板块 ===== */
.section{padding:88px 0}
.section-alt{background:#fff}
.section-head{max-width:730px;margin-bottom:44px}
.section-title{font-size:clamp(23px,2.6vw,32px);line-height:1.32}
.section-sub{margin-top:12px;font-size:16px;line-height:1.8;color:var(--ink-500)}
.section-head-row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.link-more{font-size:14.5px;font-weight:600;white-space:nowrap}
.link-more:hover{text-decoration:underline;text-underline-offset:3px}

/* ===== 步骤流 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step::after{content:"";position:absolute;top:46px;right:-19px;width:14px;border-top:2px dashed var(--line)}
.step:last-child::after{display:none}
.step-no{display:inline-block;font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.1em;color:var(--accent-500)}
.step h3{font-size:19px;font-weight:600;margin:10px 0 8px}
.step p{font-size:14.5px;line-height:1.75;color:var(--ink-500)}

/* ===== 权益错位卡 ===== */
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.benefit-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .28s,box-shadow .28s}
.benefit-card:nth-child(2){margin-top:-18px}
.benefit-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.benefit-thumb{overflow:hidden}
.benefit-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.benefit-card:hover .benefit-thumb img{transform:scale(1.03)}
.benefit-body{padding:22px}
.benefit-body h3{font-size:19px;font-weight:600;margin:12px 0 8px}
.benefit-body p{font-size:14.5px;line-height:1.75;color:var(--ink-500)}

/* ===== 场景图文 ===== */
.scene-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:center}
.scene-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1)}
.scene-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.scene-list{display:grid;gap:14px;margin-top:24px}
.scene-item{display:flex;gap:14px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;
  transition:border-color .25s,transform .25s,box-shadow .25s}
.scene-item:hover{border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--sh-1)}
.scene-dot{width:10px;height:10px;border-radius:50%;background:var(--brand-600);flex:none;margin-top:10px}
.scene-item h3{font-size:16px;font-weight:600;margin-bottom:4px}
.scene-item p{font-size:14px;line-height:1.7;color:var(--ink-500)}

/* ===== 进度与清单 ===== */
.progress-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start}
.check-list{display:grid;gap:14px;margin-top:24px}
.check-item{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.check-icon{width:22px;height:22px;flex:none;margin-top:4px;border-radius:50%;background:rgba(18,161,80,.12);
  color:var(--ok-500);display:grid;place-items:center;font-size:12px;font-weight:700}
.check-icon.pending{background:var(--brand-50);color:var(--brand-600)}
.check-item h3{font-size:15.5px;font-weight:600;margin-bottom:4px}
.check-item p{font-size:14px;line-height:1.7;color:var(--ink-500)}
.sticky-card{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--sh-1)}
.sticky-card h3{font-size:18px;font-weight:600}
.sticky-num{font-family:var(--mono);font-size:40px;font-weight:700;color:var(--brand-600);line-height:1.1;margin:14px 0 6px}
.sticky-num small{font-size:16px;color:var(--ink-500);margin-left:4px}
.sticky-list{display:grid;gap:10px;margin:18px 0 22px;padding-top:18px;border-top:1px solid var(--line)}
.sticky-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--ink-500)}
.state-done{color:var(--ok-500);font-weight:600;font-size:12.5px}
.state-todo{color:var(--accent-600);font-weight:600;font-size:12.5px}

/* ===== 最新信息 ===== */
.news-list{display:grid;gap:18px}
.news-card{display:grid;grid-template-columns:230px 1fr;gap:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);color:inherit;
  transition:transform .25s,box-shadow .25s,border-color .25s}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6E0F5;color:inherit}
.news-thumb{overflow:hidden;background:var(--brand-50)}
.news-thumb img{width:100%;height:100%;min-height:158px;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px 24px 22px 0;display:flex;flex-direction:column;gap:8px;justify-content:center}
.news-body h3{font-size:19px;font-weight:600;line-height:1.45}
.news-card:hover .news-body h3{color:var(--brand-600)}
.news-body p{font-size:14.5px;line-height:1.75;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--ink-500);margin-top:2px}
.news-more{color:var(--brand-600);font-weight:600}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:52px 24px;text-align:center}
.empty-icon{font-size:28px;line-height:1;margin-bottom:12px}
.empty-state p{color:var(--ink-500);font-size:15px;margin-bottom:14px}

/* ===== CTA 带 ===== */
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(120deg,var(--brand-50),var(--accent-50));border:1px solid var(--line);
  border-radius:var(--r-xl);padding:40px}
.cta-band h2{font-size:clamp(21px,2.2vw,27px);line-height:1.35}
.cta-band p{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:560px}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.is-open{border-color:var(--brand-500);box-shadow:var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink-900);text-align:left;line-height:1.6}
.faq-icon{width:24px;height:24px;flex:none;display:grid;place-items:center;border-radius:var(--r-sm);
  background:var(--brand-50);color:var(--brand-600);font-size:16px;line-height:1;
  transition:transform .25s ease,background .25s ease,color .25s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-600);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-700)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:0;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  display:grid;place-items:center;font-size:15px;color:#fff;flex:none}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:330px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;transition:color .2s,padding-left .2s;display:inline-block}
.footer-links a:hover{color:#fff;padding-left:2px}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5)}

/* ===== 移动端抽屉 ===== */
.drawer-mask{position:fixed;inset:0;background:rgba(14,21,38,.5);opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;z-index:60}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:308px;max-width:86vw;background:#fff;z-index:70;
  transform:translateX(100%);transition:transform .32s ease;box-shadow:var(--sh-3);
  padding:20px;display:flex;flex-direction:column;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:14px}
.drawer-head .drawer-brand{font-size:15.5px;font-weight:800;color:var(--ink-900)}
.drawer-close{width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);
  font-size:20px;line-height:1;color:var(--ink-700);display:grid;place-items:center}
.drawer-close:hover{background:var(--brand-50);color:var(--brand-600)}
.drawer-nav{display:grid;gap:4px;margin-bottom:18px}
.drawer-nav a{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-md);
  font-size:15.5px;color:var(--ink-700)}
.drawer-nav a:hover{background:var(--brand-50);color:var(--brand-600)}
.drawer-note{font-size:12.5px;color:var(--ink-500);margin-top:14px;line-height:1.7}

/* ===== 响应式 ===== */
@media (max-width:1180px){
  .header-inner{gap:14px}
  .nav-link{padding:10px 10px;font-size:14px}
  .brand{font-size:16px}
}
@media (max-width:1023px){
  .hero{padding:56px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-lead{max-width:none}
  .benefit-grid{grid-template-columns:1fr 1fr}
  .benefit-card:nth-child(2){margin-top:0}
  .scene-grid{grid-template-columns:1fr;gap:34px}
  .progress-layout{grid-template-columns:1fr;gap:30px}
  .sticky-card{position:static}
  .steps{grid-template-columns:1fr 1fr}
  .step::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .main-nav,.header-actions .text-link,.header-actions .btn{display:none}
  .hamburger{display:flex}
  .header-inner{height:64px}
  .topbar-notice{display:none}
  .hero{padding:44px 0 52px}
  .hero-title{margin:14px 0 12px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px 14px}
  .hero-float{right:12px;bottom:12px;width:200px;padding:14px 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:12px}
  .benefit-grid{grid-template-columns:1fr}
  .news-card{grid-template-columns:1fr;gap:0}
  .news-thumb img{aspect-ratio:16/9;min-height:0}
  .news-body{padding:18px 20px 20px}
  .cta-band{padding:28px 22px;border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:1fr}
  .container{padding:0 18px}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .drawer-cta{width:100%}
  .sticky-num{font-size:34px}
}

/* roulang page: article */
:root{
  --brand-700:#12379E;
  --brand-600:#1B4FE0;
  --brand-500:#3A6BF2;
  --brand-50:#EDF2FF;
  --accent-600:#E8561C;
  --accent-500:#FF6A2B;
  --accent-50:#FFF2EC;
  --ink-900:#0E1526;
  --ink-700:#2B3A55;
  --ink-500:#5A6B85;
  --line:#E3E9F2;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ok-500:#12A150;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --sh-1:0 1px 2px rgba(14,21,38,.04),0 6px 18px rgba(14,21,38,.06);
  --sh-2:0 12px 30px rgba(27,79,224,.14);
  --sh-3:0 20px 44px rgba(14,21,38,.16);
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DIN Alternate","DIN Condensed",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-700)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{max-width:1280px;padding:0 32px}}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--brand-700);color:#fff;font-size:12px;line-height:1.5}
.topbar-inner{display:flex;align-items:center;gap:16px;height:36px}
.topbar-domain{font-family:var(--font-num);letter-spacing:.04em;color:rgba(255,255,255,.8);white-space:nowrap}
.topbar-notice{flex:1;text-align:center;color:rgba(255,255,255,.9);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:600;white-space:nowrap}
.topbar-link:hover{color:#fff;opacity:.85}
.topbar-link span{transition:transform .2s ease}
.topbar-link:hover span{transform:translateX(3px)}
@media (max-width:767px){
  .topbar-notice{display:none}
  .topbar-inner{justify-content:space-between}
}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;background:linear-gradient(135deg,var(--brand-600),var(--brand-700));box-shadow:0 6px 14px rgba(27,79,224,.25)}
.brand-name{display:block;font-size:16px;font-weight:800;color:var(--ink-900);line-height:1.25;letter-spacing:.01em}
.brand-sub{display:block;font-size:12px;color:var(--ink-500);line-height:1.4}
.brand:hover .brand-name{color:var(--brand-600)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;font-size:15px;font-weight:500;color:var(--ink-700);border-radius:10px}
.nav-link:hover{color:var(--brand-600);background:var(--brand-50)}
.nav-link.is-active{color:var(--brand-600);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-14px;height:2px;border-radius:2px;background:var(--brand-600)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;transition:border-color .2s,background-color .2s}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700);transition:transform .25s ease,opacity .25s ease}
.nav-toggle:hover{border-color:var(--brand-500);background:var(--brand-50)}
.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)}
.mobile-nav{max-height:0;overflow:hidden;transition:max-height .35s ease;border-top:1px solid transparent}
.mobile-nav.is-open{max-height:460px;border-top-color:var(--line)}
.mobile-nav .mobile-inner{padding:10px 0 18px}
.mobile-nav a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 4px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink-700)}
.mobile-nav a:hover{color:var(--brand-600)}
.mobile-nav .mobile-cta{margin-top:14px;border-bottom:0}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:519px){
  .header-actions .btn-primary{display:none}
  .brand-sub{display:none}
}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;border-radius:var(--r-md);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 6px 16px rgba(27,79,224,.22)}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50);color:var(--brand-600)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 26px;font-size:16px}
.btn .arrow{transition:transform .2s ease}
.btn:hover .arrow{transform:translateX(3px)}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:22px 0 0;font-size:13px;color:var(--ink-500)}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#C3CDDD}
.breadcrumb .current{color:var(--ink-900);font-weight:600}

/* ============ 文章头部 ============ */
.article-head{max-width:900px;margin:0 auto;padding:26px 0 0}
.chip{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-sm);background:var(--brand-50);color:var(--brand-700);line-height:1.6}
.chip-accent{background:var(--accent-50);color:var(--accent-600)}
.article-title{margin:16px 0 0;font-size:clamp(28px,4vw,46px);line-height:1.24;font-weight:800;color:var(--ink-900);letter-spacing:-.01em}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;margin-top:18px;font-size:13px;color:var(--ink-500)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-row .num{font-family:var(--font-num);color:var(--ink-700);font-weight:600}
.cover{max-width:1000px;margin:26px auto 0;border-radius:var(--r-lg);overflow:hidden;background:var(--brand-50);aspect-ratio:16/9;box-shadow:var(--sh-1)}
.cover img{width:100%;height:100%;object-fit:cover}

/* ============ 正文 ============ */
.article-body{max-width:760px;margin:46px auto 0;font-size:17px;line-height:1.85;color:var(--ink-700)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;margin:46px 0 16px;padding-left:14px;font-size:26px;line-height:1.4;font-weight:700;color:var(--ink-900)}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand-600)}
.article-body h3{margin:32px 0 12px;font-size:20px;line-height:1.45;font-weight:600;color:var(--ink-900)}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:700;color:var(--ink-900)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.6em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body ul li::marker{color:var(--brand-600)}
.article-body ol li::marker{color:var(--brand-600);font-weight:600}
.article-body strong{color:var(--ink-900);font-weight:700}
.article-body blockquote{margin:26px 0;padding:16px 20px;background:var(--brand-50);border-left:3px solid var(--brand-600);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-700);font-size:16px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:2px}
.article-body a:hover{color:var(--brand-700)}
.article-body img{margin:26px auto;border-radius:var(--r-md)}
.article-body figure{margin:26px 0}
.article-body figcaption{margin-top:10px;font-size:13px;line-height:1.6;color:var(--ink-500);text-align:center}
.article-body table{width:100%;margin:26px 0;border-collapse:collapse;font-size:15px;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.article-body th{background:var(--brand-50);color:var(--ink-900);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:10px 12px;border:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FAFBFE}
.article-body hr{margin:36px 0;border:0;border-top:1px solid var(--line)}
.article-body code{background:#F2F5FA;border-radius:6px;padding:2px 6px;font-family:var(--font-num);font-size:14px;color:var(--brand-700)}

/* ============ 空态 ============ */
.empty-state{max-width:640px;margin:56px auto 0;padding:44px 24px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-1)}
.empty-icon{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--brand-50);display:grid;place-items:center;color:var(--brand-600);font-size:24px;font-weight:800}
.empty-state h2{font-size:22px;font-weight:700;color:var(--ink-900);margin:0 0 10px}
.empty-state p{font-size:15px;color:var(--ink-500);margin:0 0 22px;line-height:1.8}

/* ============ 标签与板块 ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;max-width:760px;margin:40px auto 0;padding-top:24px;border-top:1px solid var(--line)}
.tag-label{font-size:13px;color:var(--ink-500)}
.tag{font-size:13px;padding:5px 12px;border-radius:var(--r-sm);background:#fff;border:1px solid var(--line);color:var(--ink-700)}
.tag:hover{border-color:var(--brand-500);background:var(--brand-50);color:var(--brand-600)}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:84px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section-title{font-size:28px;line-height:1.35;font-weight:700;color:var(--ink-900)}
@media (min-width:768px){.section-title{font-size:32px}}
.section-sub{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:640px}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600)}
.more-link:hover span{transform:translateX(3px)}
.more-link span{transition:transform .2s ease}

/* ============ 卡片 ============ */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:30px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D5E0F7}
.post-card .thumb{aspect-ratio:4/3;background:var(--brand-50);overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px}
.post-card h3{font-size:19px;line-height:1.45;font-weight:700;color:var(--ink-900);transition:color .2s ease}
.post-card:hover h3{color:var(--brand-600)}
.post-card p{font-size:14.5px;line-height:1.7;color:var(--ink-500)}
.post-card .card-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600)}
.post-card .card-more span{transition:transform .2s ease}
.post-card:hover .card-more span{transform:translateX(3px)}

/* ============ CTA ============ */
.cta-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:34px;border:1px solid var(--line);border-radius:var(--r-xl);background:linear-gradient(120deg,var(--brand-50) 0%,var(--accent-50) 100%)}
.cta-band h2{font-size:24px;line-height:1.4;font-weight:700;color:var(--ink-900)}
.cta-band p{margin-top:10px;font-size:15px;color:var(--ink-700);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:639px){
  .cta-band{padding:24px}
  .cta-actions .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{margin-top:72px;padding:56px 0 0;background:var(--ink-900);color:rgba(255,255,255,.72)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--brand-600);color:#fff;font-weight:800}
.footer-desc{margin-top:14px;max-width:360px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-title{margin-bottom:14px;font-size:14px;font-weight:600;color:#fff}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:40px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}

/* roulang page: category1 */
:root{
    --brand-700:#12379E;
    --brand-600:#1B4FE0;
    --brand-500:#3A6BF2;
    --brand-50:#EDF2FF;
    --accent-600:#E8561C;
    --accent-500:#FF6A2B;
    --accent-50:#FFF2EC;
    --ink-900:#0E1526;
    --ink-700:#2B3A55;
    --ink-500:#5A6B85;
    --line:#E3E9F2;
    --bg:#F5F7FB;
    --surface:#FFFFFF;
    --ok-500:#12A150;
    --sh-1:0 1px 2px rgba(14,21,38,.04),0 6px 18px rgba(14,21,38,.06);
    --sh-2:0 12px 30px rgba(27,79,224,.14);
    --sh-3:0 20px 44px rgba(14,21,38,.16);
    --r-badge:8px;
    --r-btn:12px;
    --r-card:16px;
    --r-block:24px;
    --font-num:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body.site-body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--ink-700);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  a{color:var(--brand-600);text-decoration:none;transition:color .2s ease}
  a:hover{color:var(--brand-700)}
  img{max-width:100%;display:block}
  button{font-family:inherit}
  :focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:var(--brand-700);color:#fff;font-size:12px}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
  .topbar-domain{letter-spacing:.4px;color:rgba(255,255,255,.82);font-family:var(--font-num)}
  .topbar-note{color:rgba(255,255,255,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;text-align:center}
  .topbar-link{color:#fff;display:inline-flex;align-items:center;gap:6px;font-weight:600}
  .topbar-link:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
  .topbar-link svg{width:12px;height:12px}

  /* ---------- 主导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
  .site-header.is-scrolled{box-shadow:var(--sh-1)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
  .brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:800;font-size:17px;letter-spacing:.2px}
  .brand:hover{color:var(--brand-700)}
  .brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--brand-600),var(--brand-700));color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;box-shadow:var(--sh-1)}
  .brand-text{white-space:nowrap}
  .nav-panel{display:flex;align-items:center;gap:24px}
  .main-nav{display:flex;align-items:center;gap:4px}
  .nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:10px;font-size:15px;color:var(--ink-700);font-weight:500;white-space:nowrap}
  .nav-link:hover{color:var(--brand-600);background:var(--brand-50)}
  .nav-link.is-active{color:var(--brand-600);font-weight:600;background:var(--brand-50)}
  .nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand-600)}
  .nav-actions{display:flex;align-items:center;gap:10px}
  .nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px}
  .nav-toggle span::before{top:-6px}
  .nav-toggle span::after{top:6px}
  .nav-overlay{position:fixed;inset:0;background:rgba(14,21,38,.5);opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:55}
  .nav-overlay.is-open{opacity:1;pointer-events:auto}

  /* ---------- 按钮 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease}
  .btn svg{width:15px;height:15px;transition:transform .2s ease}
  .btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--sh-1)}
  .btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
  .btn-primary:hover svg{transform:translateX(3px)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.96)}
  .btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--line)}
  .btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-700)}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
  .btn-block{width:100%}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);padding:22px 0 0;flex-wrap:wrap}
  .breadcrumb a{color:var(--ink-500)}
  .breadcrumb a:hover{color:var(--brand-600)}
  .breadcrumb .sep{color:#B9C3D4}
  .breadcrumb .current{color:var(--ink-900);font-weight:600}

  /* ---------- Hero ---------- */
  .hero-section{padding-bottom:8px}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:36px 0 8px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:4px 12px;border-radius:var(--r-badge);background:var(--brand-50);color:var(--brand-700);font-size:13px;font-weight:600}
  .hero-copy h1{font-size:clamp(30px,4vw,50px);line-height:1.22;font-weight:800;color:var(--ink-900);margin:16px 0 14px;letter-spacing:-.4px}
  .hero-sub{font-size:17px;color:var(--brand-700);font-weight:600;margin:0 0 14px}
  .hero-text{font-size:16px;line-height:1.85;color:var(--ink-700);margin:0 0 26px;max-width:560px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
  .hero-media{position:relative}
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-block);box-shadow:var(--sh-3)}
  .hero-stat-card{position:absolute;left:-18px;bottom:-22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-3);padding:16px 18px;min-width:210px}
  .hero-stat-card .label{font-size:12px;color:var(--ink-500);margin-bottom:6px}
  .hero-stat-card .value{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--brand-600);line-height:1.1}
  .hero-stat-card .hint{font-size:12px;color:var(--ink-500);margin-top:6px}

  .stat-strip{margin-top:52px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
  .stat-cell{padding:22px 24px;border-right:1px solid var(--line)}
  .stat-cell:last-child{border-right:0}
  .stat-num{font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--ink-900);line-height:1.1}
  .stat-num small{font-size:14px;margin-left:2px;color:var(--brand-600)}
  .stat-label{font-size:13px;color:var(--ink-500);margin-top:6px}

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0 0}
  .section-head{max-width:720px;margin-bottom:36px}
  .section-tag{display:inline-block;font-size:13px;font-weight:600;color:var(--accent-600);background:var(--accent-50);padding:3px 10px;border-radius:var(--r-badge);margin-bottom:14px}
  .section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.35;font-weight:700;color:var(--ink-900);margin:0 0 12px}
  .section-head p{font-size:16px;color:var(--ink-700);margin:0}

  /* ---------- 入口方式卡片（2×N） ---------- */
  .entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .entry-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
  .entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3DDF2}
  .entry-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-50)}
  .entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
  .entry-card:hover .entry-thumb img{transform:scale(1.03)}
  .entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
  .entry-body h3{font-size:20px;font-weight:600;color:var(--ink-900);margin:0 0 10px}
  .entry-body p{font-size:14px;line-height:1.75;color:var(--ink-700);margin:0 0 18px;flex:1}
  .entry-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .tag{display:inline-flex;align-items:center;font-size:12px;padding:3px 10px;border-radius:var(--r-badge);background:var(--brand-50);color:var(--brand-700);font-weight:600}
  .tag-accent{background:var(--accent-50);color:var(--accent-600)}
  .tag-ok{background:rgba(18,161,80,.1);color:var(--ok-500)}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600}
  .link-arrow svg{width:14px;height:14px;transition:transform .2s ease}
  .link-arrow:hover svg{transform:translateX(3px)}

  /* ---------- 准备清单 ---------- */
  .prep-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}
  .check-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
  .check-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:18px 20px}
  .check-icon{flex:none;width:26px;height:26px;border-radius:50%;background:rgba(18,161,80,.12);color:var(--ok-500);display:flex;align-items:center;justify-content:center;margin-top:2px}
  .check-icon svg{width:14px;height:14px}
  .check-item h3{font-size:16px;font-weight:600;color:var(--ink-900);margin:0 0 6px}
  .check-item p{font-size:14px;line-height:1.75;color:var(--ink-700);margin:0}
  .notice-card{background:linear-gradient(160deg,var(--brand-50),#fff);border:1px solid #D8E2FA;border-radius:var(--r-block);padding:26px 24px;box-shadow:var(--sh-1)}
  .notice-card h3{font-size:18px;font-weight:700;color:var(--ink-900);margin:0 0 16px}
  .notice-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
  .notice-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:var(--ink-700)}
  .notice-list li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--accent-500)}

  /* ---------- 四步流程 ---------- */
  .flow-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-block);box-shadow:var(--sh-1);padding:38px 34px}
  .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;position:relative}
  .flow-step{position:relative;padding-right:8px}
  .flow-step .num{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--brand-600);letter-spacing:1px}
  .flow-step .dot{width:12px;height:12px;border-radius:50%;background:var(--accent-500);margin:12px 0 14px}
  .flow-step h3{font-size:18px;font-weight:600;color:var(--ink-900);margin:0 0 8px}
  .flow-step p{font-size:14px;line-height:1.75;color:var(--ink-700);margin:0}
  .flow-step::after{content:"";position:absolute;top:19px;right:-14px;width:26px;border-top:2px dashed #C9D5EC}
  .flow-step:last-child::after{display:none}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:12px;max-width:900px}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
  .faq-item.is-open{border-color:#CFDBF5;box-shadow:var(--sh-2)}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);cursor:pointer}
  .faq-q:hover{color:var(--brand-600)}
  .faq-icon{flex:none;width:26px;height:26px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform .3s ease}
  .faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-600);color:#fff}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
  .faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-700);border-top:1px solid var(--line);padding-top:16px}

  /* ---------- 交叉导航 ---------- */
  .cross-block{background:var(--ink-900);border-radius:var(--r-block);padding:40px 36px;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
  .cross-copy h2{color:#fff;font-size:26px;font-weight:700;margin:0 0 12px;line-height:1.35}
  .cross-copy p{color:rgba(255,255,255,.7);font-size:15px;line-height:1.8;margin:0;max-width:420px}
  .cross-links{display:grid;gap:14px}
  .cross-link{display:flex;align-items:center;justify-content:space-between;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:18px 20px;color:#fff}
  .cross-link:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.28)}
  .cross-link span.t{display:block;font-size:16px;font-weight:600;margin-bottom:4px}
  .cross-link span.d{display:block;font-size:13px;color:rgba(255,255,255,.66)}
  .cross-link svg{width:16px;height:16px;flex:none}
  .cross-num{font-family:var(--font-num);font-size:13px;color:var(--accent-500);font-weight:700}

  /* ---------- CTA 带 ---------- */
  .cta-band{margin-top:88px;background:linear-gradient(120deg,var(--brand-50),var(--accent-50));border:1px solid #DDE6FA;border-radius:var(--r-block);padding:38px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
  .cta-band h2{font-size:26px;font-weight:700;color:var(--ink-900);margin:0 0 10px;line-height:1.35}
  .cta-band p{font-size:15px;color:var(--ink-700);margin:0;max-width:620px}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

  /* ---------- 页脚 ---------- */
  .site-footer{margin-top:96px;background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 26px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px}
  .footer-mark{width:32px;height:32px;border-radius:9px;background:var(--brand-600);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
  .footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:360px}
  .footer-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{color:rgba(255,255,255,.72);font-size:14px;transition:color .2s ease,transform .2s ease;display:inline-block}
  .footer-links a:hover{color:#fff;transform:translateX(2px)}
  .footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .container{max-width:1120px}
  }
  @media (max-width:1023px){
    .nav-toggle{display:flex}
    .nav-panel{position:fixed;top:0;right:0;height:100%;width:82%;max-width:360px;background:#fff;flex-direction:column;align-items:stretch;gap:8px;padding:88px 22px 28px;transform:translateX(100%);transition:transform .3s ease;box-shadow:var(--sh-3);z-index:58;overflow-y:auto}
    .nav-panel.is-open{transform:translateX(0)}
    .main-nav{flex-direction:column;align-items:stretch;gap:4px}
    .nav-link{height:48px;font-size:16px;border-radius:12px;justify-content:flex-start}
    .nav-link.is-active::after{display:none}
    .nav-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
    .nav-actions .btn{width:100%}
    .hero-grid{grid-template-columns:1fr;gap:36px}
    .hero-stat-card{position:static;margin-top:18px;box-shadow:var(--sh-1)}
    .stat-strip{grid-template-columns:repeat(2,1fr)}
    .stat-cell:nth-child(2){border-right:0}
    .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
    .flow-grid{grid-template-columns:repeat(2,1fr);gap:28px}
    .flow-step::after{display:none}
    .prep-wrap{grid-template-columns:1fr}
    .cross-block{grid-template-columns:1fr;padding:32px 26px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .section{padding:64px 0 0}
  }
  @media (max-width:767px){
    .entry-grid{grid-template-columns:1fr}
    .hero-copy h1{margin-top:14px}
    .cta-band{margin-top:64px;padding:28px 22px}
    .flow-wrap{padding:26px 20px}
  }
  @media (max-width:520px){
    .container{padding:0 16px}
    .topbar-note{display:none}
    .stat-strip{grid-template-columns:1fr}
    .stat-cell{border-right:0;border-bottom:1px solid var(--line)}
    .stat-cell:last-child{border-bottom:0}
    .flow-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .hero-actions .btn{width:100%}
    .cta-actions .btn{width:100%}
    .faq-q{font-size:15px;padding:16px}
  }

/* roulang page: category2 */
:root{
  --brand-700:#12379E;
  --brand-600:#1B4FE0;
  --brand-500:#3A6BF2;
  --brand-50:#EDF2FF;
  --accent-600:#E8561C;
  --accent-500:#FF6A2B;
  --accent-50:#FFF2EC;
  --ink-900:#0E1526;
  --ink-700:#2B3A55;
  --ink-500:#5A6B85;
  --line:#E3E9F2;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ok-500:#12A150;
  --ok-50:#E8F8EF;
  --sh-1:0 1px 2px rgba(14,21,38,.04),0 6px 18px rgba(14,21,38,.06);
  --sh-2:0 12px 30px rgba(27,79,224,.14);
  --sh-3:0 20px 44px rgba(14,21,38,.16);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.32;font-weight:700}
p{margin:0}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .22s ease,transform .22s ease,opacity .22s ease}
a:hover{color:var(--brand-700)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink-900);color:rgba(255,255,255,.86);font-size:12.5px;line-height:1}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:38px}
.topbar-domain{font-family:var(--mono);letter-spacing:.04em;color:rgba(255,255,255,.72)}
.topbar-note{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:rgba(255,255,255,.66);text-align:center}
.topbar-link{color:#fff;display:inline-flex;align-items:center;gap:6px;font-weight:600;white-space:nowrap}
.topbar-link:hover{color:#fff;opacity:.82}
.topbar-link i{font-size:11px;transition:transform .22s ease}
.topbar-link:hover i{transform:translateX(3px)}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-700));
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(27,79,224,.28);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--brand-600)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--ink-700);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand-600);background:var(--brand-50)}
.nav-link.is-active{color:var(--brand-600)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand-600);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.ghost-link{font-size:14.5px;font-weight:600;color:var(--ink-500)}
.ghost-link:hover{color:var(--brand-600)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--ink-900);
  font-size:17px;cursor:pointer;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.menu-toggle:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-50)}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,21,38,.5);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:80;
}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);
  background:#fff;z-index:90;padding:22px 22px 32px;
  transform:translateX(102%);transition:transform .34s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;box-shadow:var(--sh-3);
}
body.nav-open .mobile-drawer{transform:translateX(0)}
body.nav-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;color:var(--ink-700);font-size:16px;cursor:pointer;
  display:grid;place-items:center;
}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-600)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:600;color:var(--ink-700);
}
.drawer-nav a:hover{background:var(--brand-50);color:var(--brand-600)}
.drawer-nav a.is-active{background:var(--brand-50);color:var(--brand-600)}
.drawer-foot{border-top:1px solid var(--line);padding-top:18px;font-size:13.5px;color:var(--ink-500);line-height:1.9}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn i{font-size:13px;transition:transform .22s ease}
.btn:hover i{transform:translateX(3px)}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 6px 16px rgba(27,79,224,.22)}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50);color:var(--brand-600);transform:translateY(-1px)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--brand-50),0 0 0 2px var(--brand-500)}
.btn-lg{min-height:50px;padding:0 28px;font-size:16px}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-sm);
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-brand{background:var(--brand-50);color:var(--brand-700)}
.badge-accent{background:var(--accent-50);color:var(--accent-600)}
.badge-ok{background:var(--ok-50);color:var(--ok-500)}
.badge-muted{background:#F1F4F9;color:var(--ink-500)}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-500);margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#C3CDDD}
.breadcrumb .current{color:var(--ink-900);font-weight:600}

/* ============ KV 带 ============ */
.kv-band{
  position:relative;
  background:linear-gradient(180deg,#EDF2FF 0%,#F5F7FB 100%);
  padding:44px 0 60px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.kv-band::before{
  content:"";position:absolute;right:-140px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(58,107,242,.16),rgba(58,107,242,0) 68%);
}
.kv-band::after{
  content:"";position:absolute;left:-120px;bottom:-180px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,106,43,.13),rgba(255,106,43,0) 70%);
}
.kv-inner{position:relative;z-index:2;max-width:900px}
.kv-title{
  font-size:clamp(30px,4vw,48px);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.01em;
  margin:16px 0 18px;
}
.kv-lead{font-size:17px;line-height:1.85;color:var(--ink-700);max-width:720px}
.kv-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.stat-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;margin-top:40px;padding-top:28px;
  border-top:1px solid rgba(27,79,224,.14);
}
.stat{display:flex;flex-direction:column;gap:4px}
.stat-num{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--brand-700);line-height:1.1}
.stat-label{font-size:13px;color:var(--ink-500);line-height:1.5}

/* ============ 通用板块 ============ */
.section{padding:78px 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12.5px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--brand-600);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent-500)}
.section-title{font-size:clamp(23px,2.6vw,31px);font-weight:700;letter-spacing:-.01em}
.section-sub{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-500)}
.surface{background:var(--surface)}

/* ============ 验证方式流式网格 ============ */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  align-items:start;
}
.flow-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.flow-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFDCFA}
.flow-card figure{margin:0;overflow:hidden;position:relative;background:var(--brand-50)}
.flow-card figure img{width:100%;object-fit:cover;transition:transform .4s cubic-bezier(.4,0,.2,1)}
.flow-card:hover figure img{transform:scale(1.03)}
.img-tall img{height:230px}
.img-mid img{height:180px}
.img-low img{height:150px}
.img-mid2 img{height:196px}
.flow-card-body{padding:22px 22px 24px}
.flow-card-body h3{font-size:19px;font-weight:600;margin-bottom:10px;transition:color .22s ease}
.flow-card:hover .flow-card-body h3{color:var(--brand-600)}
.flow-card-body p{font-size:14.5px;line-height:1.78;color:var(--ink-700)}
.card-link{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:16px;font-size:14px;font-weight:600;color:var(--brand-600);
}
.card-link i{font-size:12px;transition:transform .22s ease}
.card-link:hover i{transform:translateX(3px)}
.card-flag{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:4px 10px;border-radius:var(--r-sm);
  font-size:12px;font-weight:700;background:rgba(255,255,255,.94);color:var(--brand-700);
  box-shadow:0 2px 8px rgba(14,21,38,.1);
}
.card-flag.accent{color:var(--accent-600)}

/* ============ 步骤流 ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;position:relative;
}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px 22px;box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-num{
  font-family:var(--mono);font-size:15px;font-weight:700;color:#fff;
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-700));
  margin-bottom:16px;box-shadow:0 6px 14px rgba(27,79,224,.24);
}
.step h3{font-size:17.5px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;line-height:1.76;color:var(--ink-500)}
.step::after{
  content:"";position:absolute;top:42px;right:-12px;width:24px;height:2px;
  background:repeating-linear-gradient(90deg,#C9D7F8 0 6px,transparent 6px 12px);
}
.step:last-child::after{display:none}

/* ============ 异常处理双栏 ============ */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--sh-1);
  transition:border-color .22s ease,transform .22s ease;
}
.check-item:hover{border-color:#CFDCFA;transform:translateX(2px)}
.check-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;background:var(--ok-50);color:var(--ok-500);
  font-size:12px;margin-top:3px;
}
.check-item h3{font-size:15.5px;font-weight:600;margin-bottom:4px}
.check-item p{font-size:14px;line-height:1.72;color:var(--ink-500)}
.panel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--sh-1);
}
.panel-card .badge{margin-bottom:14px}
.panel-card h3{font-size:19px;font-weight:600;margin-bottom:12px}
.panel-card p{font-size:14.5px;line-height:1.8;color:var(--ink-700)}
.progress-wrap{margin:22px 0 20px}
.progress-top{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:10px}
.progress-top span:first-child{font-size:13.5px;color:var(--ink-500)}
.progress-num{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--brand-700)}
.progress-bar{height:8px;border-radius:999px;background:var(--line);overflow:hidden}
.progress-fill{
  height:100%;width:75%;border-radius:999px;
  background:linear-gradient(90deg,var(--accent-500),var(--brand-600));
}
.tick-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.tick-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--ink-700)}
.tick-list i{font-size:13px}
.tick-list .done{color:var(--ok-500)}
.tick-list .pending{color:#B9C4D6}
.tick-list .pending-text{color:var(--ink-500)}

/* ============ 交叉导航 ============ */
.cross{
  background:var(--ink-900);
  padding:64px 0;
  position:relative;overflow:hidden;
}
.cross::after{
  content:"";position:absolute;right:-100px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(27,79,224,.35),rgba(27,79,224,0) 70%);
}
.cross-inner{position:relative;z-index:2}
.cross .eyebrow{color:#8FA9F5}
.cross .eyebrow::before{background:var(--accent-500)}
.cross-title{color:#fff;font-size:clamp(21px,2.4vw,28px);font-weight:700}
.cross-sub{color:rgba(255,255,255,.66);font-size:15.5px;line-height:1.85;margin-top:12px;max-width:720px}
.cross-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:34px}
.cross-card{
  display:block;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);
  padding:24px;transition:background-color .25s ease,transform .25s ease,border-color .25s ease;
}
.cross-card:hover{background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.3);transform:translateY(-2px)}
.cross-card h3{color:#fff;font-size:18px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.cross-card h3 i{font-size:15px;color:var(--accent-500)}
.cross-card p{color:rgba(255,255,255,.66);font-size:14.5px;line-height:1.78}
.cross-card .card-link{color:#9FBBFF;margin-top:14px}
.cross-card:hover .card-link{color:#fff}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:#CFDCFA;box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-50);color:var(--brand-600);
  font-size:12px;transition:transform .28s ease,background-color .28s ease,color .28s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-600);color:#fff}
.faq-answer{
  padding:0 22px 20px;
  font-size:15px;line-height:1.85;color:var(--ink-700);
  animation:fadeUp .3s ease;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ============ CTA 条 ============ */
.cta-band{background:linear-gradient(96deg,#EDF2FF 0%,#FFF2EC 100%);padding:44px 0;border-top:1px solid #E5EBFA;border-bottom:1px solid #E5EBFA}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-title{font-size:clamp(20px,2.3vw,26px);font-weight:700}
.cta-text{margin-top:10px;font-size:15.5px;line-height:1.8;color:var(--ink-700);max-width:640px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-700));
  display:grid;place-items:center;color:#fff;font-size:16px;font-weight:800;
}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:rgba(255,255,255,.92);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(-2px)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{padding:0 22px}
}
@media (max-width:1023px){
  .main-nav,.ghost-link{display:none}
  .menu-toggle{display:flex}
  .section{padding:64px 0}
  .split{grid-template-columns:1fr;gap:26px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step::after{display:none}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .topbar-note{display:none}
  .header-inner{height:64px;gap:16px}
  .brand-text{font-size:16px}
  .section{padding:52px 0}
  .kv-band{padding:32px 0 46px}
  .kv-title{font-size:clamp(26px,7vw,34px)}
  .kv-lead{font-size:15.5px}
  .flow-grid{grid-template-columns:1fr;gap:18px}
  .img-tall img,.img-mid img,.img-low img,.img-mid2 img{height:190px}
  .cross-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .steps{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr;gap:14px}
  .kv-actions .btn{width:100%}
  .flow-card-body{padding:18px}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-answer{padding:0 18px 18px}
}

/* roulang page: category3 */
:root{
    --brand-700:#12379E;
    --brand-600:#1B4FE0;
    --brand-500:#3A6BF2;
    --brand-50:#EDF2FF;
    --accent-600:#E8561C;
    --accent-500:#FF6A2B;
    --accent-50:#FFF2EC;
    --ink-900:#0E1526;
    --ink-700:#2B3A55;
    --ink-500:#5A6B85;
    --line:#E3E9F2;
    --bg:#F5F7FB;
    --surface:#FFFFFF;
    --ok-500:#12A150;
    --sh-1:0 1px 2px rgba(14,21,38,.04),0 6px 18px rgba(14,21,38,.06);
    --sh-2:0 12px 30px rgba(27,79,224,.14);
    --sh-3:0 20px 44px rgba(14,21,38,.16);
    --r-sm:8px;
    --r-md:12px;
    --r-lg:16px;
    --r-xl:24px;
    --mono:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink-700);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.78;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.32;font-weight:700;}
  p{margin:0;}
  a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
  a:hover{color:var(--brand-700);}
  img{max-width:100%;display:block;}
  ul{margin:0;padding:0;list-style:none;}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  :focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
  @media (min-width:640px){.container{padding:0 24px;}}
  @media (min-width:1024px){.container{padding:0 32px;}}

  /* 顶部信息条 */
  .topbar{background:var(--brand-700);color:rgba(255,255,255,.86);font-size:12px;line-height:1.5;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding:6px 0;}
  .topbar-domain{font-family:var(--mono);letter-spacing:.4px;color:rgba(255,255,255,.72);}
  .topbar-note{flex:1;text-align:center;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:rgba(255,255,255,.9);}
  .topbar-link{display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:600;}
  .topbar-link:hover{color:#fff;opacity:.85;}
  @media (max-width:767px){.topbar-note{display:none;}}

  /* 主导航 */
  .site-header{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
  .site-header.is-scrolled{box-shadow:var(--sh-1);}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
  .brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700;font-size:16px;letter-spacing:.2px;}
  .brand:hover{color:var(--brand-600);}
  .brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand-600),var(--brand-700));color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;flex:0 0 auto;}
  .brand-text{white-space:nowrap;}
  .main-nav{display:none;align-items:center;gap:4px;}
  .nav-link{position:relative;display:inline-flex;align-items:center;padding:10px 12px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-700);}
  .nav-link:hover{color:var(--brand-600);background:var(--brand-50);}
  .nav-link.is-active{color:var(--brand-600);font-weight:600;}
  .nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand-600);}
  .nav-actions{display:flex;align-items:center;gap:12px;}
  .nav-ghost-link{display:none;font-size:14px;font-weight:600;color:var(--ink-700);}
  .nav-ghost-link:hover{color:var(--brand-600);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);color:var(--ink-900);}
  .nav-toggle:hover{border-color:var(--brand-500);background:var(--brand-50);}
  @media (min-width:1024px){
    .main-nav{display:flex;}
    .nav-toggle{display:none;}
    .nav-ghost-link{display:inline-flex;}
  }
  .nav-mask{position:fixed;inset:0;background:rgba(14,21,38,.5);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:60;}
  .nav-mask.is-open{opacity:1;visibility:visible;}
  .nav-drawer{position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:var(--surface);z-index:70;transform:translateX(102%);transition:transform .3s ease;padding:22px 20px 32px;overflow-y:auto;box-shadow:var(--sh-3);}
  .nav-drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
  .drawer-title{font-size:15px;font-weight:700;color:var(--ink-900);}
  .drawer-close{width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);display:grid;place-items:center;}
  .drawer-close:hover{background:var(--brand-50);border-color:var(--brand-500);}
  .drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
  .drawer-nav a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:var(--r-md);color:var(--ink-700);font-size:15px;border:1px solid transparent;}
  .drawer-nav a:hover{background:var(--brand-50);color:var(--brand-700);}
  .drawer-nav a.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600;border-color:rgba(27,79,224,.16);}
  .drawer-foot{border-top:1px solid var(--line);padding-top:18px;font-size:13px;color:var(--ink-500);line-height:1.8;}

  /* 按钮 */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:var(--r-md);font-size:15px;font-weight:600;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;}
  .btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 6px 16px rgba(27,79,224,.22);}
  .btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:translateY(0);filter:brightness(.96);}
  .btn-primary .btn-arrow{transition:transform .2s ease;}
  .btn-primary:hover .btn-arrow{transform:translateX(3px);}
  .btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand-600);}
  .btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50);color:var(--brand-700);}
  .btn-block{width:100%;}

  /* 面包屑 */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);padding:18px 0 4px;}
  .breadcrumb a{color:var(--ink-500);}
  .breadcrumb a:hover{color:var(--brand-600);}
  .breadcrumb .sep{color:var(--line);}
  .breadcrumb .current{color:var(--ink-900);font-weight:600;}

  /* Hero */
  .hero{
    position:relative;
    background-image:linear-gradient(180deg,rgba(255,255,255,.95),rgba(237,242,255,.97)),url("/assets/images/backpic/back-3.png");
    background-size:cover;
    background-position:center;
    padding-bottom:44px;
    border-bottom:1px solid var(--line);
  }
  .hero-grid{display:grid;gap:28px;align-items:center;padding:18px 0 30px;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:4px 12px;border-radius:var(--r-sm);background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.4px;margin-bottom:14px;}
  .hero h1{font-size:clamp(28px,4vw,50px);font-weight:800;line-height:1.2;letter-spacing:-.5px;margin-bottom:14px;}
  .hero-sub{font-size:17px;color:var(--ink-700);font-weight:600;margin-bottom:12px;}
  .hero-text{font-size:16px;line-height:1.85;color:var(--ink-500);max-width:56ch;margin-bottom:22px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .hero-figure{margin:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:var(--brand-50);}
  .hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
  @media (min-width:900px){.hero-grid{grid-template-columns:1.1fr .9fr;gap:44px;padding:30px 0 38px;}}

  .stat-grid{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 18px;box-shadow:var(--sh-1);}
  .stat-num{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--brand-600);line-height:1.2;}
  .stat-label{font-size:13px;color:var(--ink-500);margin-top:4px;line-height:1.6;}
  @media (min-width:900px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}

  /* 通用板块 */
  .section{padding:56px 0;}
  .section-head{max-width:760px;margin-bottom:26px;}
  .section-head h2{font-size:clamp(23px,2.4vw,31px);font-weight:700;margin-bottom:10px;}
  .section-head p{font-size:15.5px;color:var(--ink-500);line-height:1.85;}
  @media (min-width:1024px){.section{padding:78px 0;}}

  /* 步骤流 */
  .step-grid{display:grid;gap:18px;}
  .step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
  .step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(58,107,242,.28);}
  .step-no{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:1px;margin-bottom:10px;display:block;}
  .step h3{font-size:18px;font-weight:600;margin-bottom:8px;}
  .step p{font-size:14.5px;line-height:1.75;color:var(--ink-500);}
  @media (min-width:640px){.step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.step-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}

  /* 目录 + 长列表布局 */
  .cat-layout{display:grid;gap:28px;align-items:start;}
  @media (min-width:1024px){.cat-layout{grid-template-columns:264px minmax(0,1fr);gap:44px;}}
  .toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:18px;box-shadow:var(--sh-1);}
  .toc-title{font-size:13px;font-weight:700;color:var(--ink-900);letter-spacing:.6px;padding:0 8px 12px;border-bottom:1px solid var(--line);margin-bottom:10px;}
  .toc-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;}
  .toc-list a{flex:0 0 auto;padding:9px 14px;border-radius:999px;font-size:14px;color:var(--ink-700);background:var(--bg);border:1px solid transparent;white-space:nowrap;}
  .toc-list a:hover{background:var(--brand-50);color:var(--brand-700);border-color:rgba(27,79,224,.18);}
  .toc-list a.is-current{background:var(--brand-600);color:#fff;}
  @media (min-width:1024px){
    .toc{position:sticky;top:96px;}
    .toc-list{flex-direction:column;overflow:visible;gap:4px;}
    .toc-list a{border-radius:var(--r-md);padding:11px 14px;background:transparent;width:100%;}
    .toc-list a:hover{background:var(--brand-50);}
  }
  .toc-note{margin-top:16px;padding:14px;border-radius:var(--r-md);background:var(--accent-50);font-size:13px;line-height:1.75;color:#8a3a12;}

  .record-group{margin-bottom:44px;scroll-margin-top:96px;}
  .record-group:last-child{margin-bottom:0;}
  .group-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px;}
  .group-head h2{font-size:clamp(21px,2.1vw,26px);font-weight:700;}
  .group-head span{font-family:var(--mono);font-size:12px;color:var(--ink-500);letter-spacing:1px;}
  .record-list{display:flex;flex-direction:column;gap:14px;}
  .record-item{display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
  .record-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(58,107,242,.28);}
  .record-item:hover .record-title{color:var(--brand-600);}
  .record-no{width:56px;height:56px;border-radius:var(--r-md);background:var(--brand-50);color:var(--brand-700);display:grid;place-items:center;font-family:var(--mono);font-size:17px;font-weight:700;}
  .record-title{font-size:18px;font-weight:600;margin-bottom:8px;transition:color .2s ease;}
  .record-text{font-size:15px;line-height:1.8;color:var(--ink-700);}
  .record-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-sm);font-size:12px;background:var(--brand-50);color:var(--brand-700);}
  .tag-ghost{background:var(--bg);color:var(--ink-500);}
  .tag-accent{background:var(--accent-50);color:#8a3a12;}
  .tag-ok{background:rgba(18,161,80,.12);color:#0b7a3c;}
  @media (min-width:768px){
    .record-item{grid-template-columns:64px minmax(0,1fr);gap:22px;padding:24px 26px;}
    .record-no{width:64px;height:64px;font-size:19px;}
  }

  /* 状态说明带 */
  .status-board{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:24px;box-shadow:var(--sh-1);}
  .status-rows{display:flex;flex-direction:column;gap:14px;margin-top:6px;}
  .status-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;border-radius:var(--r-md);background:var(--bg);}
  .status-row strong{font-size:15px;color:var(--ink-900);font-weight:600;}
  .status-row span{font-size:14px;color:var(--ink-500);}
  .progress{height:8px;border-radius:999px;background:var(--line);overflow:hidden;margin-top:18px;}
  .progress-fill{height:100%;width:72%;border-radius:999px;background:linear-gradient(90deg,var(--accent-500),var(--brand-600));}
  .progress-caption{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-500);margin-top:8px;}
  .progress-caption b{font-family:var(--mono);color:var(--brand-600);}

  /* 交叉导航 */
  .cross{background:var(--ink-900);border-radius:var(--r-xl);padding:28px 24px;color:rgba(255,255,255,.78);}
  .cross h2{color:#fff;font-size:clamp(21px,2.1vw,26px);margin-bottom:10px;}
  .cross > p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.7);max-width:62ch;margin-bottom:22px;}
  .cross-grid{display:grid;gap:16px;}
  .cross-card{display:grid;grid-template-columns:80px minmax(0,1fr);gap:16px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:16px;transition:background-color .25s ease,transform .25s ease;}
  .cross-card:hover{background:rgba(255,255,255,.11);transform:translateY(-2px);}
  .cross-card img{width:80px;height:66px;object-fit:cover;border-radius:var(--r-md);background:rgba(255,255,255,.1);}
  .cross-card h3{color:#fff;font-size:16.5px;margin-bottom:6px;}
  .cross-card p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.68);margin-bottom:8px;}
  .cross-card .cross-link{font-size:13.5px;font-weight:600;color:#fff;display:inline-flex;align-items:center;gap:6px;}
  @media (min-width:768px){.cross-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}

  /* FAQ */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
  .faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;}
  .faq-item:hover{border-color:rgba(58,107,242,.28);}
  .faq-item.is-open{box-shadow:var(--sh-2);}
  .faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;text-align:left;padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink-900);}
  .faq-q:hover{color:var(--brand-600);}
  .faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);display:grid;place-items:center;font-size:16px;line-height:1;transition:transform .3s ease,background-color .3s ease;}
  .faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-600);color:#fff;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
  .faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-700);}

  /* CTA 带 */
  .cta-band{background:var(--brand-50);border:1px solid rgba(27,79,224,.14);border-radius:var(--r-xl);padding:28px 24px;display:grid;gap:20px;align-items:center;}
  .cta-band h2{font-size:clamp(21px,2.2vw,27px);margin-bottom:10px;}
  .cta-band p{font-size:15px;line-height:1.8;color:var(--ink-500);max-width:60ch;}
  .cta-band .btn{justify-self:start;}
  @media (min-width:900px){.cta-band{grid-template-columns:minmax(0,1fr) auto;padding:36px 40px;}.cta-band .btn{justify-self:end;}}

  /* 页脚 */
  .site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:52px 0 26px;margin-top:20px;}
  .footer-grid{display:grid;gap:28px;}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px;}
  .footer-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-600);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;}
  .footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch;}
  .footer-title{font-size:14px;font-weight:600;color:rgba(255,255,255,.92);margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;}
  .footer-links a:hover{color:#fff;transform:translateX(2px);}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.55);}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}}