/* roulang page: index */
:root{
  --bg:#F4F7F9;--surface:#FFFFFF;--surface-2:#EDF3F6;--line:#E1E9EE;
  --primary-900:#08313F;--primary-700:#0B5A73;--primary:#0E7391;--primary-300:#7FB9CC;--primary-050:#E9F3F7;
  --accent:#F0683A;--accent-700:#D9522A;--teal:#159C8A;
  --text-1:#14242C;--text-2:#51656F;--text-3:#8A9AA3;
  --success:#1F9D6B;--warn:#D98A16;--error:#D34A45;
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;--r-pill:999px;
  --shadow-1:0 1px 2px rgba(8,49,63,.06),0 8px 20px -14px rgba(8,49,63,.18);
  --shadow-2:0 2px 6px rgba(8,49,63,.07),0 18px 36px -20px rgba(8,49,63,.24);
  --shadow-3:0 24px 60px -24px rgba(8,49,63,.32);
  --ease:cubic-bezier(.4,.02,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;background:var(--surface-2)}
a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:3px}
a:visited{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:600;letter-spacing:-.3px}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn i{font-size:14px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-accent:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:var(--surface);color:var(--primary-700);border-color:var(--line);box-shadow:var(--shadow-1)}
.btn-ghost:hover{border-color:var(--primary-300);background:var(--primary-050);color:var(--primary-700);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-light{background:#fff;color:var(--primary-700);box-shadow:var(--shadow-1)}
.btn-light:hover{background:#EAF3F7;color:var(--primary-900);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading{opacity:.75;pointer-events:none}
.btn.is-loading::before{content:"";width:16px;height:16px;border-radius:50%;border:2px solid currentColor;border-top-color:transparent;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:13px;line-height:1.5;font-weight:500}
.badge i{font-size:12px}
.badge-teal{background:rgba(21,156,138,.1);color:#0F7F70}
.badge-soft{background:var(--primary-050);color:var(--primary-700)}
.badge-accent{background:rgba(240,104,58,.1);color:#C94F26}
.badge-green{background:rgba(31,157,107,.1);color:#17805A}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);padding:14px 0}
.navpanel{
  display:flex;align-items:center;gap:16px;height:72px;padding:0 20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);position:relative;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--primary);display:grid;place-items:center;color:#fff;font-size:14px;flex:0 0 auto}
.brand-name{font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:-.4px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:8px}
.nav-item{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;border-radius:10px;font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.nav-item i{font-size:13px;color:var(--primary-300);transition:color .18s var(--ease)}
.nav-item:hover{background:var(--primary-050);color:var(--primary-700);text-decoration:none}
.nav-item:hover i{color:var(--primary-700)}
.nav-item.is-active{background:var(--primary-050);color:var(--primary-700);font-weight:600}
.nav-item.is-active i{color:var(--primary-700)}
.nav-item.is-active::after{content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);width:20px;height:2px;border-radius:2px;background:var(--primary)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;
  color:var(--text-1);border:1px solid var(--line);background:var(--surface);
  transition:background-color .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:var(--primary-050);border-color:var(--primary-300)}
.nav-toggle i{font-size:16px}

/* ============ 首屏 ============ */
.hero{position:relative;padding:72px 0 88px;background:linear-gradient(160deg,var(--primary-050) 0%,#FFFFFF 62%);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(14,115,145,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,115,145,.05) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(120% 95% at 10% 0%,#000 0%,transparent 70%);
  mask-image:radial-gradient(120% 95% at 10% 0%,#000 0%,transparent 70%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-copy h1{font-size:40px;line-height:1.24;font-weight:700;margin:20px 0 18px;letter-spacing:-.6px}
.hero-sub{font-size:17px;line-height:1.72;color:var(--text-2);max-width:520px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:38px}
.trust-row li{display:flex;flex-direction:column;padding-left:20px;border-left:1px solid var(--line)}
.trust-row li:first-child{border-left:0;padding-left:0}
.trust-row strong{font-size:17px;font-weight:700;color:var(--text-1);line-height:1.3;font-variant-numeric:tabular-nums}
.trust-row span{font-size:13px;color:var(--text-3);line-height:1.6}
.hero-visual{position:relative}
.phone-frame{
  position:relative;width:100%;max-width:330px;margin:0 auto;padding:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow-2);
}
.phone-frame img{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:24px}
.float-card{
  position:absolute;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-2);padding:12px 14px;min-width:150px;
}
.float-card .fc-label{font-size:13px;color:var(--text-3);line-height:1.5}
.float-card .fc-value{font-size:18px;font-weight:700;color:var(--text-1);line-height:1.4;font-variant-numeric:tabular-nums}
.float-card .fc-top{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--primary-700);font-weight:600}
.float-card-a{left:-10px;top:70px}
.float-card-b{right:-14px;bottom:104px}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{font-size:30px;line-height:1.34;margin-bottom:12px}
.section-head p{font-size:16px;color:var(--text-2)}
.row-head{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;max-width:none}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--primary)}
.link-more i{font-size:13px;transition:transform .18s var(--ease)}
.link-more:hover{text-decoration:none;color:var(--primary-700)}
.link-more:hover i{transform:translateX(4px)}

/* ============ 使用流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 22px 26px;box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--primary-300)}
.step-num{
  display:grid;place-items:center;width:36px;height:36px;border-radius:50%;
  background:var(--primary);color:#fff;font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step:first-child .step-num{background:var(--accent)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;line-height:1.72;color:var(--text-2)}

/* ============ 截图轮播 ============ */
.carousel-nav{display:flex;gap:10px}
.carousel-arrow{
  width:44px;height:44px;border-radius:50%;background:var(--surface);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-1);box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.carousel-arrow:hover{border-color:var(--primary-300);box-shadow:var(--shadow-2);transform:translateY(-1px)}
.carousel-arrow:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.carousel{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;margin:0 -4px;scrollbar-width:none;
}
.carousel::-webkit-scrollbar{display:none}
.shot-card{
  flex:0 0 340px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.shot-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--primary-300)}
.shot-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md)}
.shot-card h4{font-size:17px;margin:16px 0 6px}
.shot-card p{font-size:14px;line-height:1.7;color:var(--text-2)}
.carousel-dots{display:flex;justify-content:center;gap:8px;margin-top:14px}
.dot{width:8px;height:8px;border-radius:var(--r-pill);background:#C3D2DA;transition:width .2s var(--ease),background-color .2s var(--ease)}
.dot.is-active{width:20px;background:var(--primary)}

/* ============ 系统要求 ============ */
.spec-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.spec-row{
  display:grid;grid-template-columns:220px 1fr;align-items:center;gap:16px;
  min-height:52px;padding:14px 24px;border-top:1px solid var(--line);
}
.spec-row:first-child{border-top:0}
.spec-row:nth-child(odd){background:var(--surface-2)}
.spec-row dt{font-size:14px;color:var(--text-3);text-align:right}
.spec-row dd{margin:0;font-size:16px;font-weight:600;color:var(--text-1);font-variant-numeric:tabular-nums}
.spec-row.is-active{box-shadow:inset 4px 0 0 var(--primary)}
.spec-row.is-active dd{color:var(--primary-700)}

/* ============ 评价墙 ============ */
.review-wall{columns:3;column-gap:24px}
.review-card{
  break-inside:avoid;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-1);margin-bottom:24px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--primary-050);color:var(--primary-700);
  display:grid;place-items:center;font-size:15px;font-weight:700;flex:0 0 auto;
}
.review-name{font-size:14px;font-weight:600;color:var(--text-1);line-height:1.4}
.review-role{font-size:13px;color:var(--text-3)}
.stars{display:flex;gap:3px;color:var(--accent);font-size:12px;margin-bottom:10px}
.review-card p{font-size:15px;line-height:1.76;color:var(--text-2)}
.review-time{display:block;margin-top:14px;font-size:13px;color:var(--text-3)}

/* ============ 最新信息 ============ */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.post-card{
  display:grid;grid-template-columns:220px 1fr;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--primary-300)}
.post-thumb{display:block;background:var(--surface-2)}
.post-thumb img{width:100%;height:100%;min-height:170px;object-fit:cover}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;min-width:0}
.post-body h3{font-size:17px;line-height:1.52}
.post-body h3 a{color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a:hover{color:var(--primary);text-decoration:none}
.post-body .post-sum{font-size:14px;line-height:1.72;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:13px;color:var(--text-3)}
.post-meta time{font-variant-numeric:tabular-nums}
.post-arrow{margin-left:auto;color:var(--primary);font-size:13px}
.empty-state{
  grid-column:1/-1;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
  font-size:14px;color:var(--text-3);text-align:center;padding:24px;
}
.empty-state i{font-size:44px;color:var(--primary-300)}
.empty-state .btn{margin-top:4px}

/* ============ FAQ ============ */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);
  transition:background-color .18s var(--ease);
}
.faq-q:hover{background:var(--surface-2)}
.faq-q i{font-size:15px;color:var(--primary);transition:transform .22s var(--ease);flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}
.faq-a[hidden]{display:none}

/* ============ 下载 CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;background:var(--primary-700);border-radius:var(--r-xl);
  padding:48px;display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-panel::before{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.06);pointer-events:none;
}
.cta-panel h2{color:#fff;font-size:30px;line-height:1.34;margin-bottom:12px}
.cta-panel .cta-lead{color:rgba(255,255,255,.84);font-size:16px;line-height:1.75;max-width:520px}
.cta-hints{margin-top:22px;display:grid;gap:9px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.75)}
.cta-hints li{display:flex;gap:9px;align-items:flex-start}
.cta-hints i{font-size:12px;margin-top:5px;color:var(--primary-300)}
.cta-side{position:relative;display:flex;flex-direction:column;gap:24px;align-items:flex-start}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px}
.qr-card{
  width:120px;height:120px;background:#fff;border-radius:var(--r-md);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  color:var(--primary-700);font-size:12px;font-weight:600;line-height:1.4;text-align:center;
}
.qr-card i{font-size:34px;color:var(--primary)}
.qr-note{font-size:12px;color:rgba(255,255,255,.7)}

/* ============ 页脚 ============ */
.site-footer{background:var(--primary-900);color:rgba(255,255,255,.7);padding:64px 0 32px;margin-top:0}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:#fff;color:var(--primary-900)}
.footer-brand span{font-size:18px;font-weight:700;color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px}
.footer-qr{
  margin-top:22px;width:96px;height:96px;background:#fff;border-radius:var(--r-md);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  color:var(--primary-700);font-size:11px;font-weight:600;
}
.footer-qr i{font-size:26px;color:var(--primary)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;line-height:1.7;color:rgba(255,255,255,.7);transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-links a:hover{color:#fff;text-decoration:none;transform:translateX(2px)}
.footer-contact{display:grid;gap:12px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.7)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact i{font-size:14px;color:var(--primary-300);margin-top:5px}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:flex-start;
}
.footer-bottom p{font-size:12px;line-height:1.9;color:rgba(255,255,255,.55);max-width:760px}
.footer-region{font-size:12px;color:rgba(255,255,255,.55);white-space:nowrap}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .hero-grid{gap:40px}
  .phone-frame{max-width:300px}
  .float-card{display:none}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:84px;left:0;right:0;margin:0;padding:16px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-3);display:none;grid-template-columns:repeat(2,1fr);gap:12px;
  }
  .nav-links.is-open{display:grid}
  .nav-item{
    flex-direction:column;gap:8px;padding:16px 12px;height:76px;justify-content:center;
    border:1px solid var(--line);border-radius:var(--r-md);font-size:14px;background:var(--surface);
  }
  .nav-item i{font-size:20px}
  .nav-item.is-active{background:var(--primary-050);border-color:var(--primary-300)}
  .nav-item.is-active::after{display:none}
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-copy h1{font-size:32px}
  .hero-sub{max-width:none}
  .hero-visual{order:2}
  .section{padding:72px 0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .review-wall{columns:2}
  .post-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:40px}
  .footer-cols{grid-template-columns:repeat(2,1fr);gap:36px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .navpanel{height:64px;padding:0 14px;gap:12px}
  .brand-name{font-size:16px}
  .nav-links{top:76px}
  .nav-actions .btn{display:none}
  .hero{padding:40px 0 52px}
  .hero-copy h1{font-size:28px;margin:16px 0 14px}
  .hero-sub{font-size:16px}
  .hero-btns{flex-direction:column;gap:12px;margin-top:26px}
  .hero-btns .btn{width:100%}
  .trust-row{gap:16px;margin-top:28px}
  .trust-row li{padding-left:14px}
  .phone-frame{max-width:270px}
  .section{padding:56px 0}
  .section-head h2{font-size:22px}
  .row-head{align-items:flex-start}
  .steps{grid-template-columns:1fr}
  .carousel-arrow{display:none}
  .shot-card{flex:0 0 78%}
  .spec-row{grid-template-columns:1fr;gap:4px;padding:16px 18px}
  .spec-row dt{text-align:left}
  .review-wall{columns:1}
  .post-card{grid-template-columns:1fr}
  .post-thumb img{min-height:0;aspect-ratio:4/3}
  .faq-q{padding:14px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px}
  .cta-panel{padding:32px 22px;border-radius:var(--r-lg)}
  .cta-panel h2{font-size:22px}
  .cta-side{align-items:stretch}
  .cta-btns{flex-direction:column}
  .cta-btns .btn{width:100%}
  .footer-cols{grid-template-columns:1fr}
  .site-footer{padding:48px 0 26px}
  .footer-bottom{margin-top:36px}
}
@media (max-width:480px){
  .hero-copy h1{font-size:26px;line-height:1.3}
  .section-head h2{font-size:20px}
  .shot-card{flex:0 0 86%}
  .trust-row{flex-direction:column;gap:12px}
  .trust-row li{border-left:0;padding-left:0}
  .float-card{display:none}
}

/* roulang page: article */
:root{
  --bg:#F4F7F9;
  --surface:#FFFFFF;
  --surface-2:#EDF3F6;
  --line:#E1E9EE;
  --primary-900:#08313F;
  --primary-700:#0B5A73;
  --primary:#0E7391;
  --primary-300:#7FB9CC;
  --primary-050:#E9F3F7;
  --accent:#F0683A;
  --teal:#159C8A;
  --text-1:#14242C;
  --text-2:#51656F;
  --text-3:#8A9AA3;
  --success:#1F9D6B;
  --warn:#D98A16;
  --error:#D34A45;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(8,49,63,.06), 0 8px 20px -14px rgba(8,49,63,.18);
  --shadow-2:0 2px 6px rgba(8,49,63,.07), 0 18px 36px -20px rgba(8,49,63,.24);
  --shadow-3:0 24px 60px -24px rgba(8,49,63,.32);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:600}
h1{font-size:40px;line-height:48px;font-weight:700;letter-spacing:-.5px}
h2{font-size:30px;line-height:40px}
h3{font-size:20px;line-height:30px}
h4{font-size:17px;line-height:26px}
p{margin:0}
img{max-width:100%;display:block}
a{color:var(--primary-700);text-decoration:none}
a:visited{color:var(--primary-700)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn:visited{color:inherit}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--primary-700);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--primary-900);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-accent:hover{background:#d9562b;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-accent:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-outline{background:var(--surface);color:var(--primary-700);border-color:var(--line)}
.btn-outline:hover{border-color:var(--primary-300);background:var(--primary-050);color:var(--primary-700);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading{color:rgba(255,255,255,.75);pointer-events:none}
.btn.is-loading::before{
  content:"";width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:120;padding:16px 0 0}
.navpanel{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:72px;padding:0 20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:visited{color:var(--text-1)}
.brand-mark{
  width:28px;height:28px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-700);color:#fff;font-size:14px;flex:0 0 auto;
}
.brand-name{font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:-.2px}
.nav-links{display:flex;align-items:center;gap:8px;flex-wrap:nowrap}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);position:relative;transition:background-color var(--ease),color var(--ease);
}
.nav-item i{font-size:15px;stroke-width:1.75}
.nav-item:hover{background:var(--primary-050);color:var(--primary-700)}
.nav-item.is-active{background:var(--primary-050);color:var(--primary-700);font-weight:600}
.nav-item.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-1);cursor:pointer;transition:background-color var(--ease);
}
.nav-toggle:hover{background:var(--primary-050)}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);margin-top:16px}
.breadcrumb{display:flex;align-items:center;gap:8px;height:52px;font-size:13px;line-height:22px;color:var(--text-3);overflow:hidden}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary-700)}
.breadcrumb .sep{color:var(--primary-300)}
.breadcrumb .current{color:var(--text-1);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-hero{background:var(--surface);border-bottom:1px solid var(--line);padding:40px 0 36px}
.article-hero .badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--primary-050);color:var(--primary-700);font-size:13px;font-weight:600;
}
.article-hero h1{font-size:34px;line-height:44px;margin:18px 0 16px;max-width:900px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:0;font-size:13px;line-height:22px;color:var(--text-3)}
.article-meta span{display:inline-flex;align-items:center;gap:6px;padding:0 12px}
.article-meta span:first-child{padding-left:0}
.article-meta span + span{border-left:1px solid var(--line)}

/* ============ 布局 ============ */
.article-wrap{padding:40px 0 56px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.article-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);padding:40px 44px;
}

/* ============ 正文排版 ============ */
.article-body{font-size:17px;line-height:30px;color:var(--text-2);max-width:780px}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:23px;line-height:34px;color:var(--text-1);font-weight:600;
  margin:40px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:19px;line-height:29px;color:var(--text-1);font-weight:600;margin:28px 0 12px}
.article-body h4{font-size:17px;line-height:26px;color:var(--text-1);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:8px;line-height:1.55}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--primary-050);
  border-left:3px solid var(--primary);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--primary-700);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--primary-300)}
.article-body a:hover{text-decoration-color:var(--primary-700)}
.article-body img{border-radius:12px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;line-height:22px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:var(--surface)}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;line-height:26px}
.article-body th{background:var(--surface-2);color:var(--text-1);font-weight:600}
.article-body strong{color:var(--text-1)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ============ 底部操作 ============ */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--text-2);font-size:13px;border:1px solid var(--line);
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.tag:hover{background:var(--primary-050);color:var(--primary-700);border-color:var(--primary-300)}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between}
.empty-state{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;color:var(--text-3);
}
.empty-state i{font-size:44px;color:var(--primary-300)}
.empty-state p{font-size:14px;line-height:24px}

/* ============ 侧栏 ============ */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:22px;transition:box-shadow var(--ease),transform var(--ease);
}
.side-card:hover{box-shadow:var(--shadow-2)}
.side-card h3{font-size:16px;line-height:26px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--primary);font-size:15px}
.side-list li + li{margin-top:6px}
.side-link{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-md);
  font-size:14px;line-height:22px;color:var(--text-2);
  transition:background-color var(--ease),color var(--ease),transform var(--ease);
}
.side-link i:first-child{color:var(--primary);font-size:14px;width:16px;text-align:center}
.side-link i:last-child{margin-left:auto;font-size:12px;color:var(--text-3)}
.side-link:hover{background:var(--primary-050);color:var(--primary-700);transform:translateX(2px)}
.side-cta{background:var(--primary-700);border-color:var(--primary-700);color:#fff}
.side-cta:hover{box-shadow:var(--shadow-2)}
.side-cta h3{color:#fff}
.side-cta h3 i{color:#fff}
.side-cta p{font-size:14px;line-height:24px;color:rgba(255,255,255,.78);margin-bottom:16px}
.side-cta .btn{width:100%;background:#fff;color:var(--primary-700)}
.side-cta .btn:hover{background:var(--primary-050);color:var(--primary-900)}
.tip-list li{display:flex;gap:10px;font-size:14px;line-height:24px;color:var(--text-2)}
.tip-list li + li{margin-top:10px}
.tip-list i{color:var(--teal);margin-top:5px;font-size:13px}

/* ============ 相关推荐 ============ */
.related{padding:0 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:24px;line-height:34px}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.related-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--surface-2)}
.related-body{padding:18px 20px 22px}
.related-body h3{font-size:17px;line-height:26px;margin-bottom:8px}
.related-body p{font-size:14px;line-height:24px;color:var(--text-2);margin-bottom:14px}
.related-body .more{font-size:13px;color:var(--primary-700);display:inline-flex;align-items:center;gap:6px}

/* ============ 页脚 ============ */
.site-footer{background:var(--primary-900);color:rgba(255,255,255,.7);padding:64px 0 32px;margin-top:0}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-col h4{color:#fff;font-size:14px;line-height:24px;font-weight:600;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:24px;color:rgba(255,255,255,.7);margin-bottom:18px}
.footer-qr{
  width:96px;height:96px;border-radius:var(--r-md);background:#fff;color:var(--primary-700);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-size:12px;
}
.footer-qr i{font-size:28px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;line-height:24px;transition:color var(--ease),transform var(--ease)}
.footer-links a:visited{color:rgba(255,255,255,.7)}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:24px;color:rgba(255,255,255,.7)}
.footer-contact li + li{margin-top:10px}
.footer-contact i{margin-top:4px;color:var(--primary-300)}
.footer-bottom{
  margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;line-height:20px;color:rgba(255,255,255,.55);max-width:820px}
.footer-region{font-size:12px;color:rgba(255,255,255,.55)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
}
@media (max-width:1024px){
  .navpanel{height:64px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    display:none;grid-template-columns:1fr 1fr;gap:12px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-3);padding:16px;z-index:130;
  }
  .nav-links.is-open{display:grid}
  .nav-item{
    flex-direction:column;justify-content:center;gap:6px;height:76px;border:1px solid var(--line);
    border-radius:var(--r-md);background:var(--surface);font-size:13px;text-align:center;
  }
  .nav-item i{font-size:18px}
  .nav-item.is-active::after{display:none}
  .navpanel{position:relative}
  .nav-actions .btn{display:none}
  .article-layout{grid-template-columns:1fr}
  .side{position:static;order:2}
  .article-main{padding:32px 28px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  h1{font-size:28px;line-height:36px}
  .article-hero h1{font-size:26px;line-height:34px}
  .article-hero{padding:28px 0 24px}
  .article-wrap{padding:28px 0 40px}
  .article-main{padding:24px 18px;border-radius:var(--r-lg)}
  .article-body{font-size:16px;line-height:29px}
  .article-body h2{font-size:20px;line-height:30px;margin-top:32px}
  .article-body h3{font-size:17px;line-height:27px}
  .breadcrumb .current{max-width:180px}
  .related-grid{grid-template-columns:1fr}
  .article-body table{display:block;overflow-x:auto}
  .foot-actions{flex-direction:column;align-items:stretch}
  .foot-actions .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .nav-links{grid-template-columns:1fr}
  .brand-name{font-size:16px}
  .article-meta span{padding:0 8px}
  .article-meta span:first-child{padding-left:0}
  .footer-cols{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --bg:#F4F7F9;
  --surface:#FFFFFF;
  --surface-2:#EDF3F6;
  --line:#E1E9EE;
  --primary-900:#08313F;
  --primary-700:#0B5A73;
  --primary:#0E7391;
  --primary-300:#7FB9CC;
  --primary-050:#E9F3F7;
  --accent:#F0683A;
  --teal:#159C8A;
  --success:#1F9D6B;
  --warn:#D98A16;
  --error:#D34A45;
  --text-1:#14242C;
  --text-2:#51656F;
  --text-3:#8A9AA3;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(8,49,63,.06), 0 8px 20px -14px rgba(8,49,63,.18);
  --shadow-2:0 2px 6px rgba(8,49,63,.07), 0 18px 36px -20px rgba(8,49,63,.24);
  --shadow-3:0 24px 60px -24px rgba(8,49,63,.32);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{text-decoration:underline;text-underline-offset:3px;}
a:visited{color:var(--primary);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:var(--primary-050);color:var(--primary-900);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ===== 通用排版 ===== */
.h1{font-size:40px;line-height:48px;font-weight:700;color:var(--text-1);letter-spacing:-.5px;}
.h2{font-size:30px;line-height:40px;font-weight:600;color:var(--text-1);letter-spacing:-.3px;}
.h3{font-size:20px;line-height:30px;font-weight:600;color:var(--text-1);}
.h4{font-size:17px;line-height:26px;font-weight:600;color:var(--text-1);}
.lead{font-size:17px;line-height:30px;color:var(--text-2);}
.meta{font-size:13px;line-height:22px;color:var(--text-3);}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);
  border:1px solid transparent;background:var(--surface);color:var(--text-1);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;pointer-events:none;}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-primary:hover{background:#d9552a;border-color:#d9552a;color:#fff;}
.btn-solid{background:var(--primary-700);color:#fff;border-color:var(--primary-700);}
.btn-solid:hover{background:var(--primary-900);border-color:var(--primary-900);color:#fff;}
.btn-outline{background:transparent;color:var(--primary-700);border-color:var(--primary-300);}
.btn-outline:hover{background:var(--primary-050);color:var(--primary-700);border-color:var(--primary);}
.btn-light{background:#fff;color:var(--primary-700);border-color:#fff;}
.btn-light:hover{background:#fff;color:var(--primary-900);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.btn .fa-solid{font-size:14px;}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 0;}
.navpanel{
  display:flex;align-items:center;gap:16px;
  height:72px;padding:0 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:28px;height:28px;flex:0 0 28px;border-radius:8px;
  background:linear-gradient(160deg,var(--primary) 0%,var(--primary-700) 100%);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:14px;
}
.brand-name{font-size:18px;font-weight:700;color:var(--text-1);line-height:1;letter-spacing:-.2px;}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:8px;flex:1;}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);line-height:1;
  position:relative;transition:background-color .18s ease,color .18s ease;text-decoration:none;
}
.nav-item i{font-size:13px;color:var(--primary-300);transition:color .18s ease;}
.nav-item:hover{background:var(--primary-050);color:var(--primary-700);text-decoration:none;}
.nav-item:hover i{color:var(--primary-700);}
.nav-item.is-active{background:var(--primary-050);color:var(--primary-700);font-weight:600;}
.nav-item.is-active i{color:var(--primary-700);}
.nav-item.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);color:var(--text-1);font-size:15px;
  align-items:center;justify-content:center;transition:background-color .18s ease;
}
.nav-toggle:hover{background:var(--primary-050);}
.nav-toggle i{transition:transform .22s ease;}

/* ===== 面包屑 ===== */
.crumb-bar{padding:20px 0 0;}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;line-height:22px;color:var(--text-3);}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--primary-300);}
.crumb .current{color:var(--text-2);font-weight:600;}

/* ===== Hero ===== */
.page-hero{
  padding:32px 0 88px;
  background-image:linear-gradient(180deg,rgba(233,243,247,.94) 0%,rgba(255,255,255,.97) 72%,#FFFFFF 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--primary-050);color:var(--primary-700);
  font-size:13px;font-weight:600;line-height:20px;
}
.badge-teal{background:rgba(21,156,138,.1);color:var(--teal);}
.page-hero h1{margin:20px 0 16px;}
.hero-sub{font-size:17px;line-height:30px;color:var(--text-2);max-width:560px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.trust-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:32px;font-size:13px;line-height:22px;color:var(--text-3);
}
.trust-row span{display:inline-flex;align-items:center;gap:6px;}
.trust-row .divider{width:1px;height:14px;background:var(--line);}
.trust-row b{color:var(--text-1);font-family:var(--font-num);font-size:14px;font-weight:600;}
.hero-visual{position:relative;}
.device-frame{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-2);padding:14px;
}
.device-frame .screen{
  border-radius:var(--r-lg);overflow:hidden;background:var(--surface-2);aspect-ratio:16/11;
}
.device-frame .screen img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-2);
  padding:12px 16px;display:flex;align-items:center;gap:10px;
}
.float-card .ico{
  width:34px;height:34px;border-radius:10px;background:var(--primary-050);
  color:var(--primary-700);display:inline-flex;align-items:center;justify-content:center;font-size:14px;
}
.float-card strong{display:block;font-family:var(--font-num);font-size:17px;color:var(--text-1);line-height:22px;}
.float-card em{display:block;font-style:normal;font-size:12px;color:var(--text-3);line-height:18px;}
.float-card.fc-1{left:-18px;bottom:56px;}
.float-card.fc-2{right:-14px;top:40px;}

/* ===== 区块通用 ===== */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section.alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head p{margin-top:14px;font-size:16px;line-height:28px;color:var(--text-2);}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--primary);margin-bottom:12px;text-transform:uppercase;
}

/* ===== 检查清单卡（2×2 交错） ===== */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--primary-300);}
.check-grid .check-card:nth-child(2){margin-top:32px;}
.check-grid .check-card:nth-child(3){margin-top:-16px;}
.check-grid .check-card:nth-child(4){margin-top:16px;}
.check-card .ico-lg{
  width:44px;height:44px;border-radius:var(--r-md);
  background:var(--primary-050);color:var(--primary-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:18px;
}
.check-card h3{margin-bottom:10px;}
.check-card p{font-size:15px;line-height:26px;color:var(--text-2);}
.check-card ul{margin-top:14px;}
.check-card li{
  position:relative;padding-left:18px;font-size:14px;line-height:24px;color:var(--text-2);margin-bottom:6px;
}
.check-card li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--primary-300);
}

/* ===== 系统要求表 ===== */
.spec-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.spec-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:24px 32px;border-bottom:1px solid var(--line);background:var(--surface);
}
.spec-title h3{font-size:18px;}
.spec-title .meta{font-size:13px;}
.spec-row{
  display:grid;grid-template-columns:260px 1fr;gap:24px;
  align-items:center;min-height:52px;padding:14px 32px;
  border-bottom:1px solid var(--line);
}
.spec-row:nth-child(odd){background:var(--surface-2);}
.spec-row:last-child{border-bottom:none;}
.spec-row dt,.spec-key{
  font-size:14px;line-height:24px;color:var(--text-3);text-align:right;
}
.spec-val{
  font-size:16px;line-height:26px;color:var(--text-1);font-weight:600;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.spec-val .num{font-size:17px;}
.spec-row.is-current{box-shadow:inset 4px 0 0 0 var(--primary);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:20px;
}
.tag-ok{background:rgba(31,157,107,.1);color:var(--success);}
.tag-teal{background:rgba(21,156,138,.1);color:var(--teal);}
.tag-warn{background:rgba(217,138,22,.1);color:var(--warn);}
.tag-primary{background:var(--primary-050);color:var(--primary-700);}

/* ===== 下载面板 ===== */
.dl-panel{
  background:var(--primary-700);
  border-radius:var(--r-xl);
  padding:48px;
  color:#fff;
  display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-2);
  position:relative;overflow:hidden;
}
.dl-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.06);
}
.dl-panel h2{color:#fff;font-size:28px;line-height:38px;}
.dl-panel .dl-desc{margin-top:14px;font-size:15px;line-height:26px;color:rgba(255,255,255,.82);max-width:520px;}
.dl-notes{margin-top:22px;display:grid;gap:8px;}
.dl-notes li{
  display:flex;align-items:flex-start;gap:8px;
  font-size:13px;line-height:22px;color:rgba(255,255,255,.78);
}
.dl-notes i{font-size:12px;margin-top:5px;color:var(--primary-300);}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.dl-side{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:14px;}
.qr-card{
  width:120px;height:120px;border-radius:var(--r-md);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  color:var(--primary-700);
}
.qr-card i{font-size:34px;}
.qr-card span{font-size:12px;color:var(--text-3);}
.dl-side p{font-size:13px;line-height:22px;color:rgba(255,255,255,.78);text-align:center;}

/* ===== 更新核对（58/42） ===== */
.split-grid{display:grid;grid-template-columns:58% 42%;gap:40px;align-items:start;}
.split-grid .figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--surface-2);box-shadow:var(--shadow-1);
}
.split-grid .figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split-grid .figure figcaption{
  padding:12px 16px;font-size:13px;line-height:22px;color:var(--text-3);background:var(--surface);
  border-top:1px solid var(--line);
}
.split-body{margin-top:24px;}
.split-body h3{margin-bottom:10px;}
.split-body p{font-size:15px;line-height:28px;color:var(--text-2);margin-bottom:14px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-1);
}
.side-card h3{margin-bottom:6px;}
.side-card > p{font-size:14px;line-height:24px;color:var(--text-3);margin-bottom:20px;}
.step-list{counter-reset:step;display:grid;gap:18px;}
.step-list li{
  display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:start;
  padding-bottom:18px;border-bottom:1px dashed var(--line);
}
.step-list li:last-child{border-bottom:none;padding-bottom:0;}
.step-list .step-no{
  width:34px;height:34px;border-radius:50%;background:var(--primary-050);color:var(--primary-700);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;font-weight:700;
}
.step-list strong{display:block;font-size:15px;line-height:24px;color:var(--text-1);font-weight:600;}
.step-list span{display:block;font-size:13px;line-height:22px;color:var(--text-3);margin-top:2px;}

/* ===== FAQ ===== */
.faq-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;max-width:900px;margin:0 auto;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 26px;
  background:transparent;border:none;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);line-height:26px;
  transition:background-color .18s ease;
}
.faq-q:hover{background:var(--surface-2);}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;}
.faq-q .sign{
  flex:0 0 24px;width:24px;height:24px;position:relative;
  transition:transform .22s ease;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary-700);border-radius:2px;
}
.faq-q .sign::before{width:14px;height:1.5px;transform:translate(-50%,-50%);}
.faq-q .sign::after{width:1.5px;height:14px;transform:translate(-50%,-50%);}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);}
.faq-a{
  display:none;padding:0 26px 22px;font-size:15px;line-height:28px;color:var(--text-2);
}
.faq-item.is-open .faq-a{display:block;}

/* ===== 底部 CTA 条 ===== */
.cta-strip{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:36px 40px;box-shadow:var(--shadow-1);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-strip h2{font-size:22px;line-height:32px;}
.cta-strip p{margin-top:8px;font-size:15px;line-height:26px;color:var(--text-2);}
.cta-strip .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:88px;background:var(--primary-900);color:rgba(255,255,255,.72);
  padding:64px 0 32px;
}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;line-height:24px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-desc{font-size:14px;line-height:24px;color:rgba(255,255,255,.72);max-width:340px;}
.footer-qr{
  margin-top:20px;width:96px;height:96px;border-radius:var(--r-md);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  color:var(--primary-700);
}
.footer-qr i{font-size:28px;}
.footer-qr span{font-size:11px;color:var(--text-3);}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;line-height:24px;display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);text-decoration:none;}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:24px;color:rgba(255,255,255,.72);}
.footer-contact i{margin-top:5px;font-size:13px;color:var(--primary-300);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;line-height:20px;color:rgba(255,255,255,.55);max-width:820px;}
.footer-region{font-size:12px;color:rgba(255,255,255,.55);}

/* 图片加载态 */
img{background:var(--surface-2);}
img.is-loading{animation:pulse 1.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:.7}50%{opacity:1}}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .hero-grid{gap:36px;}
  .dl-panel{padding:40px;grid-template-columns:1.4fr .6fr;}
}
@media (max-width:1024px){
  .nav-links{
    display:none;position:absolute;top:calc(100% + 12px);left:0;right:0;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-3);padding:16px;margin-left:0;
    grid-template-columns:repeat(2,1fr);gap:12px;
  }
  .nav-links.is-open{display:grid;}
  .nav-item{
    flex-direction:column;justify-content:center;gap:8px;
    height:76px;border:1px solid var(--line);border-radius:var(--r-md);
    font-size:13px;text-align:center;padding:8px;
  }
  .nav-item i{font-size:17px;}
  .nav-item.is-active::after{display:none;}
  .navpanel{position:relative;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-sm{display:none;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:2;}
  .float-card{display:none;}
  .split-grid{grid-template-columns:1fr;gap:28px;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .h1,.page-hero h1{font-size:28px;line-height:36px;}
  .h2{font-size:22px;line-height:32px;}
  .section{padding:48px 0;}
  .section.tight{padding:44px 0;}
  .page-hero{padding:20px 0 48px;}
  .brand-name{font-size:16px;}
  .hero-sub{font-size:16px;line-height:28px;}
  .hero-btns .btn{width:100%;}
  .trust-row{gap:10px;}
  .trust-row .divider{display:none;}
  .check-grid{grid-template-columns:1fr;}
  .check-grid .check-card:nth-child(n){margin-top:0;}
  .spec-row{
    grid-template-columns:1fr;gap:4px;padding:14px 20px;min-height:auto;
  }
  .spec-key{text-align:left;}
  .spec-title{padding:20px;}
  .dl-panel{grid-template-columns:1fr;padding:28px;}
  .dl-panel h2{font-size:22px;line-height:32px;}
  .dl-btns .btn{width:100%;}
  .cta-strip{padding:26px 22px;}
  .cta-strip .cta-actions{width:100%;}
  .cta-strip .cta-actions .btn{width:100%;}
  .faq-q{padding:16px 18px;}
  .faq-a{padding:0 18px 20px;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{padding:48px 0 28px;margin-top:64px;}
}
@media (max-width:480px){
  .nav-links{grid-template-columns:1fr;}
  .hero-btns{flex-direction:column;}
  .check-card{padding:20px;}
  .footer-cols{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .split-grid .figure img{aspect-ratio:4/3;}
  .device-frame .screen{aspect-ratio:4/3;}
}

/* 打印 */
@media print{
  .site-header,.site-footer,.dl-panel,.cta-strip,.nav-toggle{display:none !important;}
  body{background:#fff;}
}

/* roulang page: category2 */
:root{
  --bg:#F4F7F9;
  --surface:#FFFFFF;
  --surface-2:#EDF3F6;
  --line:#E1E9EE;
  --primary-900:#08313F;
  --primary-700:#0B5A73;
  --primary:#0E7391;
  --primary-300:#7FB9CC;
  --primary-050:#E9F3F7;
  --accent:#F0683A;
  --teal:#159C8A;
  --text-1:#14242C;
  --text-2:#51656F;
  --text-3:#8A9AA3;
  --success:#1F9D6B;
  --warn:#D98A16;
  --error:#D34A45;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(8,49,63,.06), 0 8px 20px -14px rgba(8,49,63,.18);
  --shadow-2:0 2px 6px rgba(8,49,63,.07), 0 18px 36px -20px rgba(8,49,63,.24);
  --shadow-3:0 24px 60px -24px rgba(8,49,63,.32);
  --gap:24px;
  --sec:92px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:28px;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease;}
a:hover{text-decoration:underline;text-underline-offset:3px;}
a:visited{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:600;letter-spacing:0;}
h1{font-size:40px;line-height:48px;font-weight:700;letter-spacing:-.5px;}
h2{font-size:30px;line-height:40px;}
h3{font-size:20px;line-height:30px;}
h4{font-size:17px;line-height:26px;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 18px;padding-left:1.4em;}
li{margin-bottom:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:16px 0 12px;
  background:linear-gradient(180deg,rgba(244,247,249,.97) 0%,rgba(244,247,249,.78) 100%);
}
.navpanel{
  position:relative;
  display:flex;align-items:center;gap:16px;
  min-height:72px;padding:0 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;font-size:18px;flex:0 0 auto;}
.brand:hover{text-decoration:none;color:var(--primary-700);}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-700) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;
}
.brand-name{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:10px;
  font-size:14px;line-height:20px;color:var(--text-2);
  transition:background .18s ease,color .18s ease;
}
.nav-item i{font-size:13px;opacity:.85;}
.nav-item:hover{background:var(--primary-050);color:var(--primary-700);text-decoration:none;}
.nav-item.is-active{background:var(--primary-050);color:var(--primary-700);}
.nav-item.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);
  align-items:center;justify-content:center;font-size:16px;cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.nav-toggle:hover{background:var(--primary-050);color:var(--primary-700);}
.nav-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-700);color:#fff;}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#d9552a;color:#fff;}
.btn-outline{background:var(--surface);color:var(--primary-700);border-color:var(--line);}
.btn-outline:hover{border-color:var(--primary-300);color:var(--primary-700);}
.btn-ghost{background:transparent;color:var(--primary-700);border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-light{background:#fff;color:var(--primary-700);}
.btn-light:hover{background:var(--primary-050);color:var(--primary-700);}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;line-height:20px;font-weight:500;
  background:var(--primary-050);color:var(--primary-700);
}
.badge-teal{background:rgba(21,156,138,.10);color:var(--teal);}
.badge-accent{background:rgba(240,104,58,.10);color:#c04a21;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--text-2);font-size:13px;line-height:20px;
}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  margin-top:20px;border-radius:var(--r-xl);
  min-height:280px;padding:40px 40px 36px;
  display:flex;flex-direction:column;justify-content:flex-end;
  background-image:linear-gradient(115deg,rgba(8,49,63,.86) 0%,rgba(11,90,115,.72) 62%,rgba(14,115,145,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-2);
}
.page-banner .badge{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.24);}
.page-banner h1{color:#fff;margin:14px 0 12px;max-width:820px;}
.page-banner .banner-lead{color:rgba(255,255,255,.85);font-size:16px;line-height:28px;max-width:720px;margin:0;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:22px;color:rgba(255,255,255,.75);margin-bottom:8px;}
.crumbs a{color:rgba(255,255,255,.9);}
.crumbs a:hover{color:#fff;}
.crumbs span.sep{opacity:.6;}
.crumbs .here{color:#fff;font-weight:600;}

/* ---------- 板块 ---------- */
.section{padding:var(--sec) 0;}
.section-tight{padding-top:56px;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{margin-bottom:12px;}
.section-head p{margin:0;color:var(--text-2);}
.band{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.band-white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 数据条 ---------- */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.stat{background:var(--surface);padding:22px 24px;}
.stat .k{font-size:13px;line-height:22px;color:var(--text-3);margin:0 0 4px;}
.stat .v{font-size:24px;line-height:34px;font-weight:700;color:var(--text-1);}
.stat .v small{font-size:14px;font-weight:500;color:var(--text-2);margin-left:4px;}

/* ---------- 图文并排主区 ---------- */
.content-grid{display:grid;grid-template-columns:58fr 42fr;gap:32px;align-items:start;}
.article-pane{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--shadow-1);padding:36px 40px;}
.article-pane h2{
  font-size:26px;line-height:36px;margin:0 0 14px;padding-left:14px;position:relative;
}
.article-pane h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:var(--primary);}
.article-pane h3{margin:26px 0 10px;font-size:18px;line-height:28px;}
.article-pane p{margin:0 0 16px;font-size:16px;line-height:30px;}
.article-pane > *:first-child{margin-top:0;}
.article-pane > h2:not(:first-child){margin-top:40px;}
.article-pane ul li,.article-pane ol li{font-size:16px;line-height:30px;}
.arrow-list{list-style:none;padding:0;margin:0 0 18px;}
.arrow-list li{position:relative;padding-left:22px;font-size:16px;line-height:30px;}
.arrow-list li::before{
  content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:3px;font-size:13px;color:var(--teal);
}
.note-quote{
  background:var(--primary-050);border-left:3px solid var(--primary);
  border-radius:0 var(--r-md) var(--r-md) 0;
  padding:16px 20px;margin:20px 0;color:var(--text-2);font-size:15px;line-height:28px;
}
.note-quote strong{color:var(--primary-700);}

/* ---------- 流程步骤（横向编号） ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:28px 0 8px;}
.flow-step{position:relative;padding-right:18px;}
.flow-step .dot{
  width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  position:relative;z-index:2;
}
.flow-step:nth-child(2) .dot{background:var(--primary-700);}
.flow-step:nth-child(3) .dot{background:var(--accent);}
.flow-step:nth-child(4) .dot{background:var(--primary-900);}
.flow-step::before{
  content:"";position:absolute;left:36px;top:18px;right:0;height:1px;
  border-top:1px dashed var(--primary-300);z-index:1;
}
.flow-step:last-child::before{display:none;}
.flow-step h4{margin:12px 0 4px;font-size:16px;line-height:24px;}
.flow-step p{margin:0;font-size:13px;line-height:22px;color:var(--text-3);}

/* ---------- 粘性信息卡 ---------- */
.sticky-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);padding:28px;transition:box-shadow .18s ease,transform .18s ease;
}
.info-card:hover{box-shadow:var(--shadow-2);}
.info-card h3{margin:0 0 6px;font-size:19px;line-height:28px;}
.info-card .sub{margin:0 0 18px;font-size:13px;line-height:22px;color:var(--text-3);}
.kv-list{border-top:1px solid var(--line);margin:0 0 20px;}
.kv-row{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:13px 0;border-bottom:1px solid var(--line);
}
.kv-row .k{font-size:14px;color:var(--text-3);flex:0 0 auto;}
.kv-row .v{font-size:15px;font-weight:600;color:var(--text-1);text-align:right;}
.info-card .btn + .btn{margin-top:10px;}
.tip-box{
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;
}
.tip-box h4{margin:0 0 8px;font-size:15px;line-height:24px;}
.tip-box ul{margin:0;padding-left:1.2em;}
.tip-box li{font-size:14px;line-height:24px;color:var(--text-2);margin-bottom:6px;}
.tip-box li:last-child{margin-bottom:0;}

/* ---------- 双列小卡 ---------- */
.dual-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.mini-card{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);padding:24px;
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.mini-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--primary-300);}
.mini-card .thumb{
  width:120px;height:96px;flex:0 0 auto;border-radius:var(--r-md);overflow:hidden;
  background:var(--surface-2);
}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;}
.mini-card h3{font-size:18px;line-height:26px;margin-bottom:8px;}
.mini-card p{font-size:14px;line-height:24px;margin:0 0 12px;color:var(--text-2);}
.mini-card .more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ---------- 排查清单卡 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
  transition:box-shadow .18s ease,transform .18s ease;
}
.check-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.check-card .num{
  display:inline-flex;width:30px;height:30px;border-radius:9px;background:var(--primary-050);
  color:var(--primary-700);font-weight:700;font-size:14px;align-items:center;justify-content:center;margin-bottom:14px;
}
.check-card h3{font-size:17px;line-height:26px;margin-bottom:8px;}
.check-card p{margin:0;font-size:14px;line-height:24px;color:var(--text-2);}
.check-card .state{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13px;line-height:22px;padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(31,157,107,.08);color:var(--success);
}
.check-card .state.warn{background:rgba(217,138,22,.08);color:var(--warn);}
.check-card .state.info{background:var(--primary-050);color:var(--primary-700);}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-1);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
  transition:background .18s ease;
}
.faq-q:hover{background:var(--surface-2);}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;}
.faq-q .ico{
  flex:0 0 auto;width:24px;height:24px;position:relative;transition:transform .22s ease;
}
.faq-q .ico::before,.faq-q .ico::after{
  content:"";position:absolute;background:var(--primary-700);border-radius:2px;
  left:50%;top:50%;transform:translate(-50%,-50%);
}
.faq-q .ico::before{width:14px;height:1.5px;}
.faq-q .ico::after{width:1.5px;height:14px;}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:28px;color:var(--text-2);}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  background:var(--primary-700);border-radius:var(--r-xl);color:#fff;
  padding:48px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-2);position:relative;overflow:hidden;
}
.cta-panel h2{color:#fff;font-size:28px;line-height:38px;margin-bottom:12px;}
.cta-panel p{color:rgba(255,255,255,.82);font-size:15px;line-height:26px;margin:0 0 8px;}
.cta-panel .fine{font-size:13px;line-height:22px;color:rgba(255,255,255,.68);}
.cta-actions{display:flex;flex-direction:column;gap:14px;}
.cta-buttons{display:flex;flex-wrap:wrap;gap:12px;}
.qr-card{
  background:#fff;border-radius:var(--r-md);width:120px;height:120px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  color:var(--primary-900);font-size:12px;line-height:18px;
}
.qr-card i{font-size:30px;color:var(--primary);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-900);color:rgba(255,255,255,.7);padding:64px 0 32px;margin-top:92px;}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:24px;color:rgba(255,255,255,.7);margin:0 0 18px;max-width:320px;}
.footer-qr{
  width:96px;height:96px;background:#fff;border-radius:var(--r-md);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  color:var(--primary-900);font-size:12px;line-height:18px;
}
.footer-qr i{font-size:26px;color:var(--primary);}
.footer-col h4{color:#fff;font-size:14px;line-height:24px;margin:0 0 14px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:8px;}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;line-height:24px;transition:color .18s ease,transform .18s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);text-decoration:none;}
.footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:24px;color:rgba(255,255,255,.7);}
.footer-contact i{color:var(--primary-300);font-size:13px;margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start;justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:12px;line-height:22px;color:rgba(255,255,255,.55);max-width:840px;}
.footer-region{font-size:12px;line-height:22px;color:rgba(255,255,255,.55);}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 24px;}
  .page-banner{min-height:260px;padding:32px;}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .nav-toggle{display:flex;}
  .nav-links{
    display:none;position:absolute;top:calc(100% + 12px);left:16px;right:16px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-3);padding:16px;margin-left:0;
    grid-template-columns:repeat(2,1fr);gap:12px;
  }
  .nav-links.is-open{display:grid;}
  .nav-item{
    height:76px;flex-direction:column;justify-content:center;gap:8px;
    border:1px solid var(--line);border-radius:var(--r-md);
    font-size:13px;line-height:20px;text-align:center;padding:8px;
  }
  .nav-item i{font-size:18px;}
  .nav-item.is-active::after{display:none;}
  .nav-item.is-active{border-color:var(--primary-300);background:var(--primary-050);}
  .content-grid{grid-template-columns:1fr;}
  .sticky-col{position:static;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .stats-strip{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;padding:36px;}
}
@media (max-width:768px){
  :root{--sec:52px;}
  .container{padding:0 16px;}
  h1{font-size:28px;line-height:36px;}
  h2{font-size:22px;line-height:32px;}
  .page-banner{min-height:180px;border-radius:var(--r-lg);padding:24px;margin-top:14px;}
  .page-banner h1{font-size:26px;line-height:34px;}
  .page-banner .banner-lead{font-size:14px;line-height:24px;}
  .article-pane{padding:24px 20px;}
  .article-pane h2{font-size:21px;line-height:31px;}
  .flow{grid-template-columns:1fr;gap:20px;}
  .flow-step{padding-right:0;padding-left:0;}
  .flow-step::before{display:none;}
  .dual-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .mini-card{flex-direction:column;}
  .mini-card .thumb{width:100%;height:auto;aspect-ratio:4/3;}
  .footer-cols{grid-template-columns:repeat(2,1fr);}
  .cta-panel{padding:28px 22px;}
  .cta-buttons .btn{width:100%;}
}
@media (max-width:520px){
  .stats-strip{grid-template-columns:1fr;}
  .nav-links{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:1fr;}
  .brand-name{font-size:16px;}
  .cta-buttons{flex-direction:column;}
  .cta-buttons .btn{width:100%;}
  .qr-card{width:104px;height:104px;}
}
@media print{
  .site-header,.site-footer,.cta-panel,.nav-toggle{display:none !important;}
  body{background:#fff;}
}

/* roulang page: category3 */
:root{
  --bg:#F4F7F9;
  --surface:#FFFFFF;
  --surface-2:#EDF3F6;
  --line:#E1E9EE;
  --primary-900:#08313F;
  --primary-700:#0B5A73;
  --primary:#0E7391;
  --primary-300:#7FB9CC;
  --primary-050:#E9F3F7;
  --accent:#F0683A;
  --teal:#159C8A;
  --text-1:#14242C;
  --text-2:#51656F;
  --text-3:#8A9AA3;
  --success:#1F9D6B;
  --warn:#D98A16;
  --error:#D34A45;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(8,49,63,.06),0 8px 20px -14px rgba(8,49,63,.18);
  --shadow-2:0 2px 6px rgba(8,49,63,.07),0 18px 36px -20px rgba(8,49,63,.24);
  --shadow-3:0 24px 60px -24px rgba(8,49,63,.32);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,"Inter",-apple-system,sans-serif;
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;background-color:var(--surface-2);}
a{color:var(--primary-700);text-decoration:none;transition:color .18s ease-out;}
a:hover{text-decoration:underline;text-underline-offset:3px;}
a:visited{color:var(--primary-700);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);padding:12px 0;}
.navpanel{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:72px;padding:0 20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:28px;height:28px;flex:0 0 28px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-700);color:#fff;font-size:14px;
}
.brand-name{font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:-.3px;}
.nav-links{display:flex;align-items:center;gap:8px;}
.nav-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);position:relative;
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-item i{font-size:15px;color:var(--primary-300);}
.nav-item:hover{background:var(--primary-050);color:var(--primary-700);text-decoration:none;}
.nav-item:hover i{color:var(--primary-700);}
.nav-item.is-active{background:var(--primary-050);color:var(--primary-700);font-weight:600;}
.nav-item.is-active i{color:var(--primary-700);}
.nav-item.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-1);font-size:16px;cursor:pointer;
  align-items:center;justify-content:center;transition:background .18s ease-out;
}
.nav-toggle:hover{background:var(--primary-050);color:var(--primary-700);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;line-height:1;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:50px;padding:0 26px;font-size:16px;}
.btn-primary{background:var(--primary-700);color:#fff;}
.btn-primary:hover{background:var(--primary-900);color:#fff;}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#d9572c;color:#fff;}
.btn-outline{background:var(--surface);border-color:var(--line);color:var(--text-1);}
.btn-outline:hover{border-color:var(--primary-300);color:var(--primary-700);background:var(--surface);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-white{background:#fff;color:var(--primary-700);}
.btn-white:hover{background:#f2f7f9;color:var(--primary-900);}
.btn.is-loading{opacity:.75;pointer-events:none;}
.btn.is-loading i{animation:spin .9s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ===== Badges / Tags ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:20px;
}
.badge-primary{background:var(--primary-050);color:var(--primary-700);}
.badge-teal{background:rgba(21,156,138,.1);color:var(--teal);}
.badge-warn{background:rgba(217,138,22,.1);color:var(--warn);}
.badge-success{background:rgba(31,157,107,.1);color:var(--success);}
.badge-light{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.35);}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--text-2);font-size:13px;line-height:20px;
}

/* ===== Page banner ===== */
.page-banner{
  position:relative;color:#fff;padding:68px 0 72px;overflow:hidden;
  background-image:linear-gradient(160deg,rgba(11,90,115,.86),rgba(8,49,63,.9)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.page-banner .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px;}
.page-banner .breadcrumb a{color:rgba(255,255,255,.78);}
.page-banner .breadcrumb a:hover{color:#fff;}
.page-banner .breadcrumb span.sep{opacity:.6;}
.page-banner h1{
  color:#fff;font-size:40px;line-height:48px;letter-spacing:-.5px;font-weight:700;
  max-width:760px;margin:14px 0 0;
}
.banner-sub{max-width:640px;margin-top:14px;font-size:16px;line-height:28px;color:rgba(255,255,255,.86);}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.trust-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:30px;
  font-size:13px;line-height:22px;color:rgba(255,255,255,.72);
}
.trust-row li{display:flex;align-items:center;gap:8px;}
.trust-row li+li{padding-left:18px;border-left:1px solid rgba(255,255,255,.25);}
.trust-row i{color:rgba(255,255,255,.85);}

/* ===== Section head ===== */
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head h2{font-size:30px;line-height:40px;margin-top:14px;}
.sec-head p{margin-top:14px;font-size:16px;line-height:28px;color:var(--text-2);}

/* ===== Timeline ===== */
.timeline{position:relative;max-width:920px;}
.tl-item{position:relative;display:grid;grid-template-columns:76px 1fr;gap:24px;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::after{
  content:"";position:absolute;left:37px;top:80px;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--primary-300),var(--line));
}
.tl-item:last-child::after{display:none;}
.tl-num{
  width:76px;height:76px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);
  color:var(--primary-700);font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;
  position:relative;z-index:2;
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:24px;transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.tl-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.tl-card h3{font-size:20px;line-height:30px;}
.tl-card p{margin-top:10px;font-size:15px;line-height:27px;color:var(--text-2);}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tl-media{margin-top:18px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.tl-media figcaption{font-size:13px;line-height:22px;color:var(--text-3);padding:8px 12px;background:var(--surface-2);}

/* ===== Scenario grid (staggered) ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:24px;transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.scene-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.scene-card:nth-child(even){margin-top:36px;}
.scene-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-050);color:var(--primary-700);font-size:18px;margin-bottom:16px;
}
.scene-card h3{font-size:17px;line-height:26px;}
.scene-card p{margin-top:10px;font-size:15px;line-height:27px;color:var(--text-2);}
.scene-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--text-3);}

/* ===== Check panel ===== */
.check-wrap{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:32px;align-items:start;}
.check-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);padding:32px;
}
.check-item+.check-item{margin-top:26px;}
.check-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;}
.check-top h3{font-size:16px;line-height:26px;font-weight:600;}
.check-top .num{font-size:18px;font-weight:700;color:var(--primary-700);font-variant-numeric:tabular-nums;}
.bar{height:8px;border-radius:var(--r-pill);background:var(--surface-2);overflow:hidden;margin-top:12px;}
.bar span{display:block;height:100%;border-radius:var(--r-pill);background:var(--primary);}
.bar span.is-accent{background:var(--accent);}
.bar span.is-teal{background:var(--teal);}
.bar span.is-warn{background:var(--warn);}
.check-note{margin-top:10px;font-size:13px;line-height:22px;color:var(--text-3);}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:24px;
}
.aside-card+.aside-card{margin-top:20px;}
.aside-card h3{font-size:16px;line-height:26px;}
.aside-list{margin-top:14px;}
.aside-list li{
  display:flex;gap:10px;font-size:14px;line-height:26px;color:var(--text-2);
  padding:10px 0;border-bottom:1px dashed var(--line);
}
.aside-list li:last-child{border-bottom:none;}
.aside-list i{color:var(--teal);margin-top:6px;font-size:13px;}
.aside-card .btn{margin-top:18px;width:100%;}

/* ===== FAQ ===== */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden;max-width:920px;}
.faq-item+.faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 24px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text-1);text-align:left;line-height:26px;
  transition:background .18s ease-out;
}
.faq-q:hover{background:var(--surface-2);}
.faq-q i{font-size:18px;color:var(--primary-700);transition:transform .22s ease-out;flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.faq-a p{padding:0 24px 20px;font-size:15px;line-height:28px;color:var(--text-2);}
.faq-item.is-open .faq-a{max-height:320px;}

/* ===== CTA panel ===== */
.cta-panel{
  background:var(--primary-700);border-radius:var(--r-xl);padding:48px;color:#fff;
  display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:center;
}
.cta-panel h2{color:#fff;font-size:30px;line-height:40px;}
.cta-panel p{margin-top:14px;color:rgba(255,255,255,.85);font-size:16px;line-height:28px;max-width:560px;}
.cta-notes{margin-top:18px;}
.cta-notes li{display:flex;gap:8px;font-size:13px;line-height:24px;color:rgba(255,255,255,.8);}
.cta-notes i{margin-top:5px;font-size:12px;color:rgba(255,255,255,.85);}
.cta-side{display:flex;flex-direction:column;gap:16px;}
.cta-buttons{display:flex;flex-wrap:wrap;gap:12px;}
.qr-card{
  width:120px;height:120px;border-radius:12px;background:#fff;color:var(--primary-700);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  font-size:12px;font-weight:600;margin:0 auto;
}
.qr-card i{font-size:38px;}

/* ===== Footer ===== */
.site-footer{background:var(--primary-900);color:rgba(255,255,255,.7);padding:64px 0 32px;margin-top:0;}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-desc{font-size:14px;line-height:26px;color:rgba(255,255,255,.7);max-width:320px;}
.footer-qr{
  margin-top:20px;width:96px;height:96px;border-radius:12px;background:#fff;color:var(--primary-700);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-size:12px;font-weight:600;
}
.footer-qr i{font-size:30px;}
.footer-col h4{color:#fff;font-size:14px;line-height:24px;font-weight:600;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;line-height:24px;transition:color .18s ease-out,transform .18s ease-out;display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(2px);text-decoration:none;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:24px;color:rgba(255,255,255,.7);margin-bottom:12px;}
.footer-contact i{margin-top:5px;color:var(--primary-300);font-size:13px;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:12px;line-height:22px;color:rgba(255,255,255,.55);max-width:860px;}
.footer-region{font-size:12px;color:rgba(255,255,255,.55);}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;grid-template-columns:repeat(2,1fr);gap:12px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-3);padding:16px;
  }
  .nav-links.is-open{display:grid;}
  .nav-item{
    flex-direction:column;justify-content:center;height:76px;gap:6px;
    border:1px solid var(--line);border-radius:12px;font-size:13px;text-align:center;
  }
  .nav-item.is-active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .check-wrap{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;padding:36px;}
  .footer-cols{grid-template-columns:repeat(2,1fr);}
  .section{padding:72px 0;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .page-banner{padding:48px 0 56px;}
  .page-banner h1{font-size:28px;line-height:36px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:32px;}
  .sec-head h2{font-size:22px;line-height:32px;}
  .scene-grid{grid-template-columns:1fr;gap:16px;}
  .scene-card:nth-child(even){margin-top:0;}
  .tl-item{grid-template-columns:52px 1fr;gap:14px;}
  .tl-num{width:52px;height:52px;font-size:17px;}
  .tl-item::after{left:25px;top:56px;}
  .tl-card{padding:16px;}
  .check-panel{padding:20px;}
  .faq-q{padding:14px 16px;font-size:15px;}
  .faq-a p{padding:0 16px 16px;}
  .cta-panel{padding:26px;border-radius:var(--r-lg);}
  .cta-panel h2{font-size:22px;line-height:32px;}
  .cta-buttons .btn{width:100%;}
  .trust-row li+li{padding-left:0;border-left:none;}
  .trust-row{gap:10px 18px;}
  .footer-cols{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  body{font-size:15px;}
  .navpanel{height:64px;padding:0 14px;}
  .brand-name{font-size:16px;}
  .banner-actions{flex-direction:column;align-items:stretch;}
  .banner-actions .btn{width:100%;}
  .tl-media img{aspect-ratio:4/3;}
  .qr-card{margin:0;}
}

/* roulang page: category4 */
:root{
  --bg:#F4F7F9;
  --surface:#FFFFFF;
  --surface-2:#EDF3F6;
  --line:#E1E9EE;
  --primary-900:#08313F;
  --primary-700:#0B5A73;
  --primary:#0E7391;
  --primary-300:#7FB9CC;
  --primary-050:#E9F3F7;
  --accent:#F0683A;
  --accent-050:rgba(240,104,58,.10);
  --teal:#159C8A;
  --text-1:#14242C;
  --text-2:#51656F;
  --text-3:#8A9AA3;
  --success:#1F9D6B;
  --warn:#D98A16;
  --error:#D34A45;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(8,49,63,.06),0 8px 20px -14px rgba(8,49,63,.18);
  --shadow-2:0 2px 6px rgba(8,49,63,.07),0 18px 36px -20px rgba(8,49,63,.24);
  --shadow-3:0 24px 60px -24px rgba(8,49,63,.32);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:3px}
a:visited{color:var(--primary-700)}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:600;letter-spacing:-.2px}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.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}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:16px;z-index:120;padding-top:0}
.navpanel{
  display:flex;align-items:center;gap:16px;
  height:72px;padding:0 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1);text-decoration:none}
.brand:hover{text-decoration:none;color:var(--text-1)}
.brand-mark{
  width:28px;height:28px;flex:0 0 28px;
  display:grid;place-items:center;
  border-radius:9px;
  background:var(--primary);
  color:#fff;font-size:14px;
}
.brand-name{font-size:18px;font-weight:700;color:var(--text-1);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:12px;flex:1 1 auto}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);
  white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-item i{font-size:13px;opacity:.85}
.nav-item:hover{background:var(--primary-050);color:var(--primary-700);text-decoration:none}
.nav-item.is-active{background:var(--primary-050);color:var(--primary-700);font-weight:600}
.nav-item.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:40px;height:40px;
  align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  color:var(--text-2);cursor:pointer;transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{background:var(--primary-050);color:var(--primary-700)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-700);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#D9562A;color:#fff}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--primary-300);color:var(--primary-700);background:var(--primary-050)}
.btn-light{background:#fff;color:var(--primary-700)}
.btn-light:hover{background:#F0F7FA;color:var(--primary-700)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn.is-loading{position:relative;color:rgba(255,255,255,.75);pointer-events:none}
.btn.is-loading::before{
  content:"";width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1;
}
.badge-primary{background:var(--primary-050);color:var(--primary-700)}
.badge-teal{background:rgba(21,156,138,.10);color:var(--teal)}
.badge-accent{background:var(--accent-050);color:#C4481D}
.badge-warn{background:rgba(217,138,22,.10);color:var(--warn)}
.tag{
  display:inline-flex;align-items:center;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:14px;color:var(--text-2);
}
.tag:hover{border-color:var(--primary-300);color:var(--primary-700);text-decoration:none}

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  padding:14px 0;font-size:13px;color:var(--text-3);
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:var(--text-2)}

/* ---------- Page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--primary-900)}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.38;
}
.page-hero__mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,49,63,.86),rgba(11,90,115,.72))}
.page-hero__inner{position:relative;padding:64px 0 60px;color:#fff}
.page-hero h1{color:#fff;font-size:40px;line-height:48px;font-weight:700;letter-spacing:-.5px;max-width:820px}
.page-hero__lead{margin-top:16px;font-size:16px;line-height:28px;color:rgba(255,255,255,.85);max-width:720px}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.page-hero__meta .chip{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:#fff;
}
.page-hero__meta .chip i{font-size:12px;opacity:.9}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section--tight{padding-top:64px}
.section--alt{background:var(--surface-2)}
.section--white{background:var(--surface)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:30px;line-height:40px}
.section-head p{margin-top:12px;font-size:16px;line-height:28px;color:var(--text-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin-bottom:14px;font-size:13px;font-weight:600;letter-spacing:.4px;
  color:var(--primary-700);text-transform:none;
}
.eyebrow i{font-size:12px}

/* ---------- Compare table ---------- */
.compare-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--shadow-1);overflow:hidden;
}
.compare-table{width:100%;border-collapse:collapse;table-layout:fixed}
.compare-table caption{text-align:left;padding:0}
.compare-table thead th{
  background:var(--surface-2);
  font-size:14px;font-weight:600;color:var(--text-1);
  text-align:left;padding:18px 20px;border-bottom:1px solid var(--line);
}
.compare-table thead th:first-child{width:26%}
.compare-table tbody th{
  text-align:left;font-weight:600;font-size:14px;color:var(--text-3);
  padding:16px 20px;border-bottom:1px solid var(--line);
  vertical-align:top;
}
.compare-table tbody td{
  padding:16px 20px;border-bottom:1px solid var(--line);
  font-size:15px;line-height:26px;color:var(--text-2);vertical-align:top;
}
.compare-table tbody tr{background:var(--surface)}
.compare-table tbody tr:nth-child(even){background:#FAFCFD}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table td strong{color:var(--text-1);font-weight:600}
.compare-table .diff{background:var(--accent-050);box-shadow:inset 0 0 0 1px rgba(240,104,58,.18)}
.compare-table .diff::before{
  content:"差异";display:inline-block;margin-right:8px;
  font-size:12px;font-weight:600;color:#C4481D;
}
.compare-note{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:20px;padding:16px 18px;
  background:var(--primary-050);border-radius:var(--r-md);
  font-size:14px;line-height:24px;color:var(--primary-700);
}
.compare-note i{margin-top:4px;color:var(--primary)}

/* ---------- Two column cards ---------- */
.dual-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.info-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  padding:28px;transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.info-card.is-selected{border-color:var(--primary)}
.info-card__head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.info-card__icon{
  width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;
  border-radius:var(--r-md);background:var(--primary-050);color:var(--primary-700);font-size:18px;
}
.info-card h3{font-size:20px;line-height:30px}
.info-card p{margin-top:12px;font-size:15px;line-height:26px;color:var(--text-2)}
.check-list{margin-top:18px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;font-size:15px;line-height:26px;color:var(--text-2)}
.check-list i{margin-top:6px;color:var(--teal);font-size:13px}

/* ---------- Update type list ---------- */
.type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.type-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:box-shadow .18s var(--ease),transform .18s var(--ease);
}
.type-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.type-item__num{
  width:40px;height:40px;flex:0 0 40px;display:grid;place-items:center;
  border-radius:var(--r-pill);background:var(--primary-900);color:#fff;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.type-item h3{font-size:17px;line-height:26px;margin-bottom:6px}
.type-item p{font-size:14px;line-height:24px;color:var(--text-2)}
.type-item__meta{margin-top:10px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- Coverage strip ---------- */
.coverage{
  display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.coverage__media{height:100%;min-height:280px}
.coverage__media img{width:100%;height:100%;object-fit:cover}
.coverage__body{padding:36px 36px 36px 8px}
.coverage__body h2{font-size:26px;line-height:36px}
.coverage__body p{margin-top:14px;font-size:15px;line-height:26px;color:var(--text-2)}
.stat-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:24px}
.stat{display:flex;flex-direction:column;gap:2px}
.stat b{font-size:24px;font-weight:700;color:var(--primary-700);font-variant-numeric:tabular-nums;line-height:32px}
.stat span{font-size:13px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;background:transparent;border:0;
  text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
  cursor:pointer;transition:background .18s var(--ease);
}
.faq-q:hover{background:var(--surface-2)}
.faq-q i{color:var(--primary);font-size:15px;transition:transform .22s var(--ease);flex:0 0 auto}
.faq-q[aria-expanded="true"] i{transform:rotate(45deg)}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:28px;color:var(--text-2);display:none}
.faq-a.is-open{display:block}

/* ---------- CTA panel ---------- */
.cta-panel{
  background:var(--primary-700);border-radius:var(--r-xl);
  padding:48px;color:#fff;
  display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-panel h2{color:#fff;font-size:28px;line-height:38px}
.cta-panel p{margin-top:12px;color:rgba(255,255,255,.82);font-size:15px;line-height:26px}
.cta-notes{margin-top:18px;display:grid;gap:8px}
.cta-notes li{font-size:13px;line-height:22px;color:rgba(255,255,255,.72);display:flex;gap:8px}
.cta-notes i{margin-top:5px;font-size:11px;color:rgba(255,255,255,.8)}
.cta-side{display:flex;flex-direction:column;align-items:center;gap:16px}
.cta-buttons{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.qr-box{
  width:120px;height:120px;border-radius:var(--r-md);background:#fff;
  display:grid;place-items:center;color:var(--primary-700);text-align:center;gap:4px;
}
.qr-box i{font-size:34px}
.qr-box span{font-size:12px;color:var(--text-3)}

/* ---------- Form ---------- */
.form-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--shadow-1);
  padding:40px;display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;
}
.form-card h2{font-size:26px;line-height:36px}
.form-card p{margin-top:12px;font-size:15px;line-height:26px;color:var(--text-2)}
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:8px;font-size:13px;color:var(--text-2)}
.field input,.field select{
  width:100%;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;font-size:15px;color:var(--text-1);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-050);
}
.field input.is-error{border-color:var(--error)}
.field .msg{margin-top:6px;font-size:13px;color:var(--error);display:none}
.field .msg.is-visible{display:block}
.field .msg.is-ok{color:var(--success)}
.form-hint{margin-top:12px;font-size:13px;line-height:22px;color:var(--text-3)}

/* ---------- Footer ---------- */
.site-footer{margin-top:88px;background:var(--primary-900);color:rgba(255,255,255,.7);padding:64px 0 32px}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700}
.footer-desc{margin-top:14px;font-size:14px;line-height:24px;color:rgba(255,255,255,.7);max-width:320px}
.footer-qr{
  margin-top:20px;width:96px;height:96px;border-radius:var(--r-md);background:#fff;
  display:grid;place-items:center;color:var(--primary-700);gap:2px;text-align:center;
}
.footer-qr i{font-size:26px}
.footer-qr span{font-size:11px;color:var(--text-3)}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;line-height:24px;color:rgba(255,255,255,.7);transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block}
.footer-links a:hover{color:#fff;text-decoration:none;transform:translateX(2px)}
.footer-contact{display:grid;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:24px;color:rgba(255,255,255,.7)}
.footer-contact i{margin-top:5px;color:rgba(255,255,255,.55);font-size:13px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;line-height:20px;color:rgba(255,255,255,.55);max-width:820px}
.footer-region{font-size:12px;color:rgba(255,255,255,.55)}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .nav-item{padding:8px 10px;font-size:13.5px}
  .page-hero h1{font-size:36px;line-height:44px}
}
@media (max-width:1024px){
  .nav-links{
    position:absolute;top:84px;left:0;right:0;
    display:none;grid-template-columns:repeat(2,1fr);gap:12px;
    padding:16px;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-3);
  }
  .nav-links.is-open{display:grid}
  .nav-item{
    height:76px;flex-direction:column;justify-content:center;gap:6px;
    border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  }
  .nav-item i{font-size:18px}
  .nav-item.is-active::after{display:none}
  .nav-toggle{display:inline-flex}
  .navpanel{position:relative}
  .dual-grid,.type-grid{grid-template-columns:1fr}
  .coverage{grid-template-columns:1fr}
  .coverage__media{min-height:220px}
  .coverage__body{padding:28px}
  .cta-panel{grid-template-columns:1fr;padding:36px}
  .form-card{grid-template-columns:1fr;padding:28px;gap:24px}
  .footer-cols{grid-template-columns:repeat(2,1fr)}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .site-header{top:10px}
  .brand-name{font-size:16px}
  .page-hero__inner{padding:44px 0 40px}
  .page-hero h1{font-size:28px;line-height:36px}
  .section{padding:48px 0}
  .section-head h2,.cta-panel h2,.form-card h2{font-size:22px;line-height:32px}
  .section-head{margin-bottom:28px}
  .compare-table thead{display:none}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table th,.compare-table td{display:block;width:100%}
  .compare-table tbody tr{
    padding:8px 0;border-bottom:1px solid var(--line);
  }
  .compare-table tbody tr:last-child{border-bottom:0}
  .compare-table tbody th{
    border-bottom:0;padding:10px 18px 4px;font-size:13px;color:var(--text-3);
  }
  .compare-table tbody td{border-bottom:0;padding:6px 18px}
  .compare-table tbody td::before{
    content:attr(data-label);display:block;
    font-size:12px;font-weight:600;color:var(--text-3);margin-bottom:2px;
  }
  .compare-table .diff::after{content:"";display:block}
  .cta-panel{padding:28px}
  .cta-buttons{width:100%;flex-direction:column}
  .cta-buttons .btn{width:100%}
  .form-card{padding:22px}
  .info-card{padding:22px}
  .type-item{padding:18px}
  .breadcrumb{padding:12px 0}
  .faq-q{padding:14px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px;line-height:34px}
  .page-hero__meta .chip{font-size:12px;padding:0 12px}
  .footer-cols{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .stat-row{gap:18px}
  .nav-links{grid-template-columns:1fr}
  .coverage__body{padding:22px}
}
@media print{
  .site-header,.site-footer,.cta-panel,.form-card{display:none}
  body{background:#fff}
}