/* roulang page: index */
:root{
  --ink-900:#0D1A2B;--ink-700:#29405C;--ink-500:#5B7089;--ink-400:#8A9BB1;
  --line:#DDE6F1;--bg:#F4F8FD;--bg-alt:#EAF1FB;--surface:#FFFFFF;
  --primary:#1F5FD6;--primary-600:#1A4FB4;--primary-50:#E8F0FF;
  --accent:#FF6A3D;--accent-600:#E85526;--mint:#0FB39B;--amber:#F5A524;
  --r-sm:8px;--r-md:12px;--r-lg:18px;--r-xl:26px;--r-full:999px;
  --sh1:0 1px 2px rgba(16,38,72,.06);
  --sh2:0 4px 16px rgba(16,38,72,.07);
  --sh3:0 12px 32px rgba(16,38,72,.10);
  --sh4:0 24px 56px rgba(16,38,72,.14);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --cw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:132px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink-700);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-600)}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,button{outline:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(31,95,214,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--cw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:640px}
.textlink{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);white-space:nowrap}
.textlink span{transition:transform var(--ease)}
.textlink:hover span{transform:translateX(3px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-50);border-radius:var(--r-full);padding:0 14px;height:28px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;
  border-radius:var(--r-md);font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh2)}
.btn-accent:hover{background:var(--accent-600);color:#fff;box-shadow:var(--sh3)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{background:var(--primary-600);color:#fff;box-shadow:var(--sh3)}
.btn-outline{background:var(--surface);color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-50);color:var(--primary-600);box-shadow:var(--sh2)}
.btn-ghost{background:var(--surface);color:var(--ink-700);border-color:var(--line)}
.btn-ghost:hover{color:var(--primary);border-color:rgba(31,95,214,.4);box-shadow:var(--sh2)}
.btn-lg{height:48px;padding:0 28px;font-size:16px}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;height:27px;padding:0 12px;border-radius:var(--r-full);font-size:13px;font-weight:600;line-height:1}
.badge-primary{background:var(--primary-50);color:var(--primary)}
.badge-accent{background:rgba(255,106,61,.1);color:var(--accent-600)}
.badge-mint{background:rgba(15,179,155,.1);color:var(--mint)}
.badge-line{background:var(--surface);color:var(--ink-500);border:1px solid var(--line)}

/* ---------- topbar ---------- */
.topbar{background:var(--bg-alt);border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-500)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px}
.topbar .dot{color:var(--mint);font-weight:700;margin-right:6px}
.topbar a{color:var(--ink-500);font-size:13px}
.topbar a:hover{color:var(--primary)}
.topbar-right{display:flex;gap:20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);transition:box-shadow var(--ease),background var(--ease)}
.site-header.is-stuck{background:rgba(255,255,255,.86);box-shadow:var(--sh2)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height var(--ease)}
.site-header.is-stuck .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;max-width:220px}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--primary);position:relative;flex:0 0 auto;box-shadow:var(--sh1)}
.logo-mark::before{content:"";position:absolute;left:7px;top:7px;width:8px;height:8px;border-radius:2px;background:#fff}
.logo-mark::after{content:"";position:absolute;right:6px;bottom:6px;width:9px;height:9px;border-radius:50%;background:var(--accent)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
.logo-text small{font-size:13px;color:var(--ink-500);font-weight:500}
.search-form{flex:1;display:flex;align-items:center;gap:8px;max-width:620px;height:46px;padding:0 6px 0 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-full);box-shadow:var(--sh1);
  transition:border-color var(--ease),box-shadow var(--ease)}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,95,214,.12)}
.search-form svg{flex:0 0 auto;stroke:var(--ink-400);stroke-width:1.8;fill:none}
.search-form input{flex:1;border:0;background:transparent;font-size:14px;color:var(--ink-700);min-width:0}
.search-form input::placeholder{color:var(--ink-400);font-size:14px}
.search-form button{flex:0 0 auto;height:34px;padding:0 18px;border-radius:var(--r-full);border:0;background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:background var(--ease)}
.search-form button:hover{background:var(--primary-600)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-toggle{display:none;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center}

/* ---------- category + anchors ---------- */
.cat-row{border-top:1px solid var(--line);background:rgba(255,255,255,.7)}
.cat-row-inner{display:flex;align-items:center;gap:10px;height:54px;overflow-x:auto;scrollbar-width:none}
.cat-row-inner::-webkit-scrollbar{display:none}
.cat-pill{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-full);
  background:var(--surface);border:1px solid var(--line);color:var(--ink-700);font-size:14px;font-weight:500;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease)}
.cat-pill:hover{background:var(--primary-50);color:var(--primary);border-color:rgba(31,95,214,.28)}
.cat-pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff}
.anchor-row{display:flex;align-items:center;gap:22px;height:46px;overflow-x:auto;scrollbar-width:none;border-top:1px solid var(--line)}
.anchor-row::-webkit-scrollbar{display:none}
.anchor-link{position:relative;font-size:14px;color:var(--ink-500);white-space:nowrap;padding:12px 0}
.anchor-link::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;background:transparent;transition:background var(--ease)}
.anchor-link:hover{color:var(--primary)}
.anchor-link.is-active{color:var(--primary);font-weight:600}
.anchor-link.is-active::after{background:var(--primary)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg);padding:96px 0 88px}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(560px 360px at 18% 8%,rgba(31,95,214,.06),transparent 70%),
             radial-gradient(520px 340px at 92% 78%,rgba(255,106,61,.05),transparent 72%);
  pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,54px);line-height:1.18;font-weight:800;letter-spacing:-.02em;margin:20px 0 0}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{margin-top:20px;font-size:17px;color:var(--ink-500);max-width:520px;line-height:1.85}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px}
.trust-points li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500)}
.trust-points svg{stroke:var(--mint);stroke-width:2.2;fill:none}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh4);border:1px solid var(--line)}
.float-card{position:absolute;left:-24px;bottom:26px;width:220px;background:var(--surface);border-radius:var(--r-lg);
  box-shadow:var(--sh3);padding:18px 20px;border:1px solid var(--line)}
.float-card b{display:block;font-size:26px;font-weight:800;color:var(--mint);line-height:1.2}
.float-card span{font-size:13px;color:var(--ink-500)}
.float-badge{position:absolute;right:-14px;top:22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-full);box-shadow:var(--sh2);padding:8px 16px;font-size:13px;font-weight:600;color:var(--primary)}

/* ---------- stats ---------- */
.stats{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:38px 0}
.stat{padding:0 26px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:28px;font-weight:800;color:var(--ink-900);line-height:1.3}
.stat b i{font-style:normal;color:var(--primary);font-size:20px;margin-left:2px;font-weight:700}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--ink-500)}

/* ---------- features ---------- */
.feature-block{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh2);overflow:hidden;transition:box-shadow var(--ease),transform var(--ease)}
.feature-block:hover{box-shadow:var(--sh3);transform:translateY(-4px)}
.feature-block+.feature-block{margin-top:32px}
.feature-block.reverse .feature-media{order:2}
.feature-media{position:relative;min-height:290px}
.feature-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.feature-body{padding:32px}
.feature-num{display:inline-flex;align-items:center;justify-content:center;height:28px;padding:0 12px;border-radius:var(--r-full);
  background:var(--primary-50);color:var(--primary);font-size:13px;font-weight:700;letter-spacing:.06em}
.feature-body h3{margin-top:16px;font-size:20px;line-height:1.5}
.feature-body p{margin-top:12px;color:var(--ink-500);font-size:15px}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-700)}
.check-list svg{flex:0 0 auto;margin-top:5px;stroke:var(--mint);stroke-width:2.4;fill:none}
.wide-bar{margin-top:32px;display:flex;align-items:center;gap:20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px 28px;box-shadow:var(--sh1)}
.wide-bar .ico{width:48px;height:48px;border-radius:14px;background:var(--primary-50);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.wide-bar .ico svg{stroke:var(--primary);stroke-width:1.8;fill:none}
.wide-bar h3{font-size:18px}
.wide-bar p{font-size:14px;color:var(--ink-500);margin-top:4px}

/* ---------- demo ---------- */
.demo-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh3);overflow:hidden}
.window-bar{height:40px;display:flex;align-items:center;gap:14px;padding:0 16px;background:var(--bg-alt);border-bottom:1px solid var(--line)}
.dots{display:flex;gap:6px}
.dots i{width:9px;height:9px;border-radius:50%;background:#C6D4E6;display:block}
.dots i:first-child{background:#F5A524}
.addr-bar{flex:1;height:22px;border-radius:var(--r-full);background:var(--surface);border:1px solid var(--line);
  font-size:12px;color:var(--ink-400);display:flex;align-items:center;padding:0 12px}
.demo-card>img{width:100%;aspect-ratio:16/10;object-fit:cover}
.thumb-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.thumb{border:2px solid transparent;border-radius:var(--r-md);overflow:hidden;padding:0;background:var(--surface);box-shadow:var(--sh1);transition:border-color var(--ease),transform var(--ease)}
.thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.thumb span{display:block;font-size:13px;color:var(--ink-500);padding:10px 12px}
.thumb:hover{transform:translateY(-3px)}
.thumb.is-active{border-color:var(--primary)}

/* ---------- proof ---------- */
.proof-grid{display:grid;grid-template-columns:40% 60%;gap:56px;align-items:start}
.proof-left p{margin-top:16px;color:var(--ink-500);font-size:15px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.proof-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.proof-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px}
.proof-card svg{stroke:var(--primary);stroke-width:1.8;fill:none}
.proof-card h3{margin-top:14px;font-size:17px}
.proof-card p{margin-top:8px;font-size:14px;color:var(--ink-500)}
.timeline{margin-top:44px;border-left:2px solid var(--line);padding-left:26px;display:grid;gap:22px;max-width:760px}
.timeline li{position:relative}
.timeline li::before{content:"";position:absolute;left:-33px;top:9px;width:10px;height:10px;border-radius:50%;background:var(--surface);border:2px solid var(--primary)}
.timeline b{font-size:14px;color:var(--ink-400);font-weight:600}
.timeline p{font-size:15px;color:var(--ink-700);margin-top:2px}

/* ---------- price ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--sh2);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.price-card:hover{box-shadow:var(--sh3);transform:translateY(-4px)}
.price-card h3{font-size:19px}
.price-card .desc{margin-top:8px;font-size:14px;color:var(--ink-500);min-height:46px}
.price-num{margin-top:18px;font-size:32px;font-weight:800;color:var(--ink-900);line-height:1.2}
.price-num small{font-size:13px;font-weight:500;color:var(--ink-400);margin-left:6px}
.price-card hr{border:0;border-top:1px solid var(--line);margin:22px 0}
.price-list{display:grid;gap:12px;margin-bottom:26px}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-700)}
.price-list svg{flex:0 0 auto;margin-top:5px;stroke:var(--primary);stroke-width:2.2;fill:none}
.price-card.recommended{border:2px solid var(--primary);transform:translateY(-8px);box-shadow:var(--sh3)}
.price-card.recommended:hover{transform:translateY(-10px)}
.price-tag{position:absolute;left:50%;top:-13px;transform:translateX(-50%);background:var(--accent);color:#fff;
  border-radius:var(--r-full);font-size:13px;font-weight:600;padding:0 16px;height:26px;display:inline-flex;align-items:center}
.price-note{margin-top:26px;font-size:13px;color:var(--ink-400)}
.table-wrap{margin-top:36px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow-x:auto;box-shadow:var(--sh1)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:14.5px}
thead th{background:var(--bg-alt);color:var(--ink-700);font-weight:600;text-align:left;padding:16px 20px;white-space:nowrap}
tbody td{padding:15px 20px;border-top:1px solid var(--line);color:var(--ink-500)}
tbody td:first-child{color:var(--ink-700);font-weight:600}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:start}
.news-feature{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh2);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(31,95,214,.35)}
.news-feature img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-feature-body{padding:26px 28px 28px}
.news-feature-body h3{margin-top:14px;font-size:20px;line-height:1.5;color:var(--ink-900);transition:color var(--ease)}
.news-feature:hover h3{color:var(--primary)}
.news-feature-body p{margin-top:10px;font-size:15px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--ink-400)}
.news-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh1);overflow:hidden}
.news-item{display:block;padding:20px 24px;border-top:1px solid var(--line);transition:background var(--ease)}
.news-item:first-child{border-top:0}
.news-item:hover{background:var(--bg-alt)}
.news-item h4{font-size:16px;font-weight:600;color:var(--ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color var(--ease)}
.news-item:hover h4{color:var(--primary)}
.news-item p{margin-top:6px;font-size:14px;color:var(--ink-500);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-item .meta{margin-top:10px}
.empty-state{background:var(--bg-alt);border:1px dashed var(--line);border-radius:var(--r-lg);min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:32px;grid-column:1/-1}
.empty-state svg{stroke:var(--ink-400);stroke-width:1.6;fill:none}
.empty-state b{font-size:15px;color:var(--ink-700)}
.empty-state span{font-size:13px;color:var(--ink-400)}
.news-more{margin-top:32px;text-align:center}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:32% 68%;gap:48px;align-items:start}
.faq-left p{margin-top:16px;font-size:15px;color:var(--ink-500)}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item:hover{border-color:rgba(31,95,214,.3)}
.faq-item.is-open{box-shadow:var(--sh2);border-color:rgba(31,95,214,.35)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;background:transparent;border:0;
  padding:18px 20px;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900)}
.faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--primary-50);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;line-height:1}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--ease),opacity var(--ease);opacity:0}
.faq-item.is-open .faq-a{opacity:1}
.faq-a p{padding:16px 20px 20px;border-top:1px solid var(--line);font-size:15px;color:var(--ink-500);line-height:1.8}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(135deg,var(--primary-50),#FFFFFF);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:56px;text-align:center;box-shadow:var(--sh1)}
.cta-band h2{font-size:clamp(22px,2.6vw,30px)}
.cta-band p{margin-top:14px;font-size:15px;color:var(--ink-500);max-width:620px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}

/* ---------- footer ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding-top:64px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--ink-500);max-width:340px}
.footer-contact{margin-top:18px;display:grid;gap:8px;font-size:14px;color:var(--ink-500)}
.footer-col h4{font-size:15px;color:var(--ink-900);margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--ink-500)}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400)}
.qr-box{width:96px;height:96px;border:1px solid var(--line);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:12.5px;color:var(--ink-400);text-align:center;padding:8px;background:var(--bg-alt)}

/* ---------- floating ---------- */
.float-cta{position:fixed;right:28px;bottom:28px;z-index:70;display:inline-flex;align-items:center;gap:10px;height:48px;
  padding:0 22px;border-radius:var(--r-full);background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh3);opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),background var(--ease)}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px)}
.float-cta svg{stroke:#fff;stroke-width:1.8;fill:none}
.back-top{position:fixed;right:28px;bottom:90px;z-index:70;width:48px;height:48px;border-radius:50%;background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--sh2);display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity var(--ease),transform var(--ease)}
.back-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.back-top svg{stroke:var(--primary);stroke-width:2;fill:none}
.back-top:hover{transform:translateY(-2px);box-shadow:var(--sh3)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-grid{gap:44px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding:72px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual img{aspect-ratio:16/10}
  .float-card{left:16px;bottom:16px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px 0}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .feature-block,.feature-block.reverse{grid-template-columns:1fr}
  .feature-block.reverse .feature-media{order:0}
  .proof-grid{grid-template-columns:1fr;gap:36px}
  .price-grid{grid-template-columns:1fr;gap:32px}
  .price-card.recommended{transform:none}
  .news-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .header-actions .btn-primary{display:none}
  .logo{max-width:200px}
  .search-form{max-width:none}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero{padding:56px 0 56px}
  body{font-size:15.5px}
  .topbar-right{display:none}
  .header-inner{height:64px;gap:12px}
  .site-header.is-stuck .header-inner{height:58px}
  .search-form{display:none}
  .site-header.search-open .search-form{display:flex;position:absolute;left:18px;right:18px;top:calc(100% + 8px);max-width:none;z-index:80}
  .site-header.search-open{padding-bottom:0}
  .search-toggle{display:inline-flex}
  .site-header .header-search-wrap{position:relative}
  .cat-row-inner{height:50px}
  .anchor-row{gap:18px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .stats-grid{padding:26px 0}
  .stat{padding:0 16px}
  .feature-media{min-height:200px}
  .feature-body{padding:22px}
  .wide-bar{flex-direction:column;align-items:flex-start;gap:14px;padding:22px}
  .proof-cards{grid-template-columns:1fr}
  .thumb-row{display:flex;overflow-x:auto;gap:12px;padding-bottom:6px}
  .thumb{flex:0 0 220px}
  .price-card{padding:26px 20px}
  .news-feature-body{padding:20px}
  .faq-q{font-size:16px;padding:16px}
  .cta-band{padding:32px 22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:56px;padding-bottom:72px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-cta{left:0;right:0;bottom:0;height:56px;border-radius:0;justify-content:space-between;padding:0 18px;
    padding-bottom:env(safe-area-inset-bottom)}
  .float-cta span.txt{font-size:14px;font-weight:500}
  .float-cta.is-visible{transform:none}
  .back-top{right:16px;bottom:76px;width:44px;height:44px}
  .float-card{width:180px;padding:14px 16px}
  .float-card b{font-size:22px}
}
@media (max-width:480px){
  .hero h1{font-size:30px}
  .hero-cta .btn{width:100%}
  .trust-points{gap:14px}
  .logo-text b{font-size:15.5px}
  .logo-text small{font-size:12px}
  .stat b{font-size:24px}
}

/* roulang page: article */
:root{
  --ink-900:#0D1A2B;
  --ink-700:#29405C;
  --ink-500:#5B7089;
  --ink-400:#8A9BB1;
  --line:#DDE6F1;
  --bg:#F4F8FD;
  --bg-alt:#EAF1FB;
  --surface:#FFFFFF;
  --primary:#1F5FD6;
  --primary-600:#1A4FB4;
  --primary-50:#E8F0FF;
  --accent:#FF6A3D;
  --accent-600:#E85526;
  --mint:#0FB39B;
  --amber:#F5A524;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:26px;
  --r-full:999px;
  --sh1:0 1px 2px rgba(16,38,72,.06);
  --sh2:0 4px 16px rgba(16,38,72,.07);
  --sh3:0 12px 32px rgba(16,38,72,.10);
  --sh4:0 24px 56px rgba(16,38,72,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary-600);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.4;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(31,95,214,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:padding .2s var(--ease),background .2s var(--ease);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .2s var(--ease);}
.site-header.is-compact .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;max-width:220px;color:var(--ink-900);}
.logo:hover{color:var(--ink-900);}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  background:linear-gradient(140deg,var(--primary) 0%,#2E76EE 62%,var(--accent) 100%);
  box-shadow:var(--sh1);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:12px;height:12px;
  transform:translate(-50%,-50%) rotate(45deg);
  background:#fff;border-radius:3px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:.01em;}
.logo-text small{font-size:13px;font-weight:500;color:var(--ink-500);letter-spacing:.06em;}
.header-search-wrap{flex:1;display:flex;justify-content:center;}
.search-form{
  position:relative;display:flex;align-items:center;gap:8px;
  width:100%;max-width:620px;height:46px;padding:0 6px 0 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-full);
  box-shadow:var(--sh1);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,95,214,.12);}
.search-form svg{flex:none;stroke:var(--ink-400);stroke-width:1.8;fill:none;stroke-linecap:round;}
.search-form input{
  flex:1;min-width:0;height:40px;border:0;background:transparent;color:var(--ink-900);
}
.search-form input::placeholder{color:var(--ink-400);font-size:14px;}
.search-form input:focus{outline:none;}
.search-form button{
  flex:none;height:36px;padding:0 20px;border:0;border-radius:var(--r-full);
  background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease);
}
.search-form button:hover{background:var(--primary-600);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.search-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);cursor:pointer;
}
.search-toggle svg{fill:none;stroke:var(--ink-700);stroke-width:1.8;stroke-linecap:round;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-md);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{background:var(--accent-600);color:#fff;box-shadow:var(--sh3);}
.btn-outline{background:var(--surface);color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-50);color:var(--primary-600);box-shadow:var(--sh2);}
.btn-ghost{background:var(--surface);color:var(--ink-700);border-color:var(--line);}
.btn-ghost:hover{color:var(--primary);border-color:rgba(31,95,214,.45);box-shadow:var(--sh2);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-lg{height:48px;padding:0 30px;font-size:16px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}

.cat-row{border-top:1px solid var(--line);background:rgba(244,248,253,.72);}
.cat-row-inner{display:flex;gap:10px;align-items:center;height:52px;overflow-x:auto;scrollbar-width:none;}
.cat-row-inner::-webkit-scrollbar{display:none;}
.cat-pill{
  flex:none;display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-full);background:var(--surface);border:1px solid var(--line);
  color:var(--ink-700);font-size:13.5px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.cat-pill:hover{background:var(--primary-50);color:var(--primary);border-color:rgba(31,95,214,.3);}
.cat-pill.is-active{background:var(--primary);color:#fff;border-color:var(--primary);}
.anchor-row{display:flex;gap:26px;align-items:center;height:46px;overflow-x:auto;scrollbar-width:none;}
.anchor-row::-webkit-scrollbar{display:none;}
.anchor-link{
  position:relative;flex:none;font-size:14px;color:var(--ink-500);padding:4px 0;
  transition:color .2s var(--ease);
}
.anchor-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transition:transform .2s var(--ease);
}
.anchor-link:hover{color:var(--primary);}
.anchor-link:hover::after,.anchor-link.is-active::after{transform:scaleX(1);}
.anchor-link.is-active{color:var(--primary);font-weight:600;}

/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:var(--ink-400);
}
.crumb a{color:var(--ink-400);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--ink-500);}

/* ---------- article head ---------- */
.article-head{max-width:860px;margin:0 auto;padding:28px 0 0;}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;
  border-radius:var(--r-full);font-size:13px;font-weight:600;
  background:var(--primary-50);color:var(--primary);
}
.article-head h1{
  margin:16px 0 14px;
  font-size:clamp(28px,3.6vw,40px);font-weight:800;line-height:1.25;letter-spacing:-.01em;
  color:var(--ink-900);
}
.meta-row{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding-bottom:22px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--ink-400);
}
.meta-row .dot{color:var(--line);}
.meta-row .meta-right{margin-left:auto;display:flex;gap:10px;}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);cursor:pointer;
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.icon-btn svg{stroke:var(--ink-500);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.icon-btn:hover{border-color:var(--primary);background:var(--primary-50);transform:translateY(-2px);}
.icon-btn:hover svg{stroke:var(--primary);}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;
  padding:40px 0 8px;align-items:start;
}
.article-main{max-width:760px;}

.article-body{font-size:17px;line-height:1.9;color:var(--ink-700);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;}
.article-body p:first-of-type{font-size:18px;color:var(--ink-700);}
.article-body h2{
  position:relative;margin:44px 0 16px;padding-left:16px;
  font-size:22px;font-weight:700;line-height:1.45;color:var(--ink-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:4px;background:var(--primary);
}
.article-body h3{margin:30px 0 12px;font-size:18px;font-weight:600;color:var(--ink-900);}
.article-body h4{margin:24px 0 10px;font-size:16px;font-weight:600;color:var(--ink-700);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:4px;}
.article-body li{position:relative;padding-left:22px;margin-bottom:8px;line-height:1.8;}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.7em;width:8px;height:8px;border-radius:50%;
  background:var(--primary-50);border:2px solid var(--primary);
}
.article-body ol{counter-reset:item;}
.article-body ol > li{counter-increment:item;}
.article-body ol > li::before{
  content:counter(item);position:absolute;left:0;top:.25em;
  width:18px;height:18px;border-radius:6px;background:var(--primary-50);color:var(--primary);
  font-size:12px;font-weight:700;line-height:18px;text-align:center;
}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;border-left:3px solid var(--primary);
  background:var(--bg-alt);border-radius:var(--r-md);color:var(--ink-700);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-lg);box-shadow:var(--sh2);margin:24px 0 10px;width:100%;}
.article-body figure{margin:26px 0;}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--ink-400);text-align:center;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(31,95,214,.45);}
.article-body a:hover{color:var(--primary-600);border-bottom-color:var(--primary-600);}
.article-body code{
  padding:2px 7px;border-radius:6px;background:var(--bg-alt);color:var(--ink-700);
  font-size:14.5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  padding:18px 20px;border-radius:var(--r-md);background:var(--bg-alt);
  overflow-x:auto;font-size:14.5px;line-height:1.7;
}
.article-body pre code{background:transparent;padding:0;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;background:var(--surface);}
.article-body .table-wrap{
  margin:24px 0;border:1px solid var(--line);border-radius:var(--r-md);overflow-x:auto;box-shadow:var(--sh1);
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:var(--bg-alt);font-weight:600;color:var(--ink-900);white-space:nowrap;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{margin:36px 0;border:0;border-top:1px solid var(--line);}

.empty-card{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  min-height:200px;padding:32px;text-align:center;
  background:var(--bg-alt);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-card svg{stroke:var(--ink-400);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.empty-card h3{font-size:17px;color:var(--ink-700);}
.empty-card p{font-size:13px;color:var(--ink-400);margin:0;}
.empty-card a{font-weight:600;}

/* ---------- sidebar ---------- */
.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);
  padding:22px;box-shadow:var(--sh2);
}
.side-card h3{
  display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;
  color:var(--ink-900);margin-bottom:14px;
}
.side-card h3::before{
  content:"";width:4px;height:16px;border-radius:4px;background:var(--primary);
}
.toc-list li{margin-bottom:6px;}
.toc-list a{
  display:block;padding:7px 10px;border-left:2px solid transparent;border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:14px;color:var(--ink-500);line-height:1.6;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover,.toc-list a.is-active{
  background:var(--primary-50);color:var(--primary);border-left-color:var(--primary);
}
.hot-list li{padding:12px 0;border-bottom:1px solid var(--line);}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list a{display:block;font-size:14.5px;font-weight:600;color:var(--ink-700);line-height:1.6;}
.hot-list a:hover{color:var(--primary);}
.hot-list .hot-meta{display:block;margin-top:6px;font-size:12.5px;color:var(--ink-400);}
.side-side .side-cta{display:flex;flex-direction:column;gap:10px;}

/* ---------- article foot ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 0;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-full);
  background:var(--surface);border:1px solid var(--line);color:var(--ink-500);font-size:13px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.tag:hover{color:var(--primary);border-color:rgba(31,95,214,.35);background:var(--primary-50);}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px;}
.post-nav-card{
  display:block;padding:20px 22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh2);color:var(--ink-700);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-nav-card:hover{
  transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(31,95,214,.35);color:var(--ink-700);
}
.post-nav-card .pn-label{display:block;font-size:12.5px;color:var(--ink-400);margin-bottom:8px;}
.post-nav-card .pn-title{
  display:block;font-size:15.5px;font-weight:600;line-height:1.6;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.post-nav-card:hover .pn-title{color:var(--primary);}
.post-nav-card.is-next{text-align:right;}

.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin:56px 0 20px;
}
.section-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;color:var(--ink-900);}
.section-head .more{
  font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;
}
.section-head .more span{transition:transform .2s var(--ease);}
.section-head .more:hover span{transform:translateX(3px);}

.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh2);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(31,95,214,.35);}
.rel-card .rel-thumb{aspect-ratio:16/9;overflow:hidden;}
.rel-card .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-card .rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;}
.rel-card .rel-title{
  font-size:16px;font-weight:600;line-height:1.55;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .rel-title{color:var(--primary);}
.rel-card .rel-time{font-size:12.5px;color:var(--ink-400);}
.rel-more{display:flex;justify-content:center;margin-top:32px;}

/* ---------- bottom cta ---------- */
.cta-panel{
  margin:80px 0 90px;padding:56px;border-radius:var(--r-xl);text-align:center;
  background:linear-gradient(135deg,var(--primary-50) 0%,#FFFFFF 100%);
  border:1px solid var(--line);box-shadow:var(--sh2);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--ink-900);}
.cta-panel p{max-width:620px;margin:14px auto 26px;font-size:15.5px;color:var(--ink-500);}
.cta-actions{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;}
.text-link{font-size:14.5px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.text-link span{transition:transform .2s var(--ease);}
.text-link:hover span{transform:translateX(3px);}

/* ---------- footer ---------- */
.site-footer{margin-top:20px;background:var(--surface);border-top:1px solid var(--line);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand p{margin:18px 0 16px;font-size:14px;color:var(--ink-500);max-width:340px;line-height:1.8;}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink-400);}
.footer-col h4{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--ink-500);}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.qr-box{
  width:96px;height:96px;border:1px solid var(--line);border-radius:12px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;color:var(--ink-400);background:var(--bg-alt);padding:8px;
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-400);
}

/* ---------- floating ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;
  border-radius:var(--r-full);background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh3);opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .25s var(--ease),transform .25s var(--ease),background .2s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);}
.float-cta svg{stroke:#fff;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.to-top{
  position:fixed;right:28px;bottom:96px;z-index:69;width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh2);
  opacity:0;transform:translateY(14px);pointer-events:none;cursor:pointer;
  transition:opacity .25s var(--ease),transform .25s var(--ease),border-color .2s var(--ease);
}
.to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.to-top:hover{border-color:var(--primary);transform:translateY(-2px);}
.to-top svg{stroke:var(--ink-700);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:40px;}
  .article-main{max-width:none;}
  .side{position:static;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:0;}
  .container{padding:0 18px;}
  .header-inner{height:64px;gap:12px;}
  .site-header.is-compact .header-inner{height:58px;}
  .header-search-wrap{display:none;width:100%;}
  .site-header.search-open .header-search-wrap{
    display:flex;position:absolute;left:18px;right:18px;top:64px;padding-bottom:12px;
  }
  .site-header.search-open .header-inner{flex-wrap:wrap;}
  .search-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .anchor-row{height:42px;gap:20px;}
  .article-head{padding-top:20px;}
  .article-body{font-size:16.5px;}
  .article-body h2{margin:36px 0 14px;font-size:20px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-card.is-next{text-align:left;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-panel{margin:56px 0 64px;padding:32px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{padding-bottom:96px;}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;justify-content:space-between;
    padding:0 18px calc(0px + env(safe-area-inset-bottom));
    transform:translateY(100%);opacity:1;
  }
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta span.fl-text{font-size:13.5px;font-weight:500;color:var(--ink-700);}
  .float-cta b{font-size:14px;font-weight:700;}
  .float-cta svg{stroke:var(--accent);}
  .to-top{right:18px;bottom:76px;}
}
@media (max-width:480px){
  .article-head h1{font-size:26px;}
  .meta-row{gap:12px;font-size:12.5px;}
  .meta-row .meta-right{margin-left:0;}
  .cat-row-inner{height:48px;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0D1A2B;
  --ink-700:#29405C;
  --ink-500:#5B7089;
  --ink-400:#8A9BB1;
  --line:#DDE6F1;
  --bg:#F4F8FD;
  --bg-alt:#EAF1FB;
  --surface:#FFFFFF;
  --primary:#1F5FD6;
  --primary-600:#1A4FB4;
  --primary-50:#E8F0FF;
  --accent:#FF6A3D;
  --accent-600:#E85526;
  --mint:#0FB39B;
  --amber:#F5A524;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:26px;
  --r-full:999px;
  --sh1:0 1px 2px rgba(16,38,72,.06);
  --sh2:0 4px 16px rgba(16,38,72,.07);
  --sh3:0 12px 32px rgba(16,38,72,.10);
  --sh4:0 24px 56px rgba(16,38,72,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}

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

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;object-fit:cover;border-style:none;}

a{color:inherit;text-decoration:none;}

button,input{font:inherit;color:inherit;}

h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;}

p{margin:0;}

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

:focus-visible{outline:3px solid rgba(31,95,214,.35);outline-offset:2px;border-radius:6px;}

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

/* ============ 通用按钮 / 胶囊 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),background-color 200ms var(--ease),border-color 200ms var(--ease),color 200ms var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh3);}
.btn:active{transform:translateY(0);box-shadow:var(--sh1);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{background:var(--accent-600);}
.btn-outline{background:var(--surface);color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-50);}
.btn-ghost{background:var(--surface);color:var(--ink-700);border-color:var(--line);}
.btn-ghost:hover{border-color:rgba(31,95,214,.35);color:var(--primary);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-lg{height:48px;padding:0 30px;font-size:16px;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  transition:color 200ms var(--ease);
}
.link-arrow::after{content:"→";transition:transform 200ms var(--ease);}
.link-arrow:hover{color:var(--primary-600);}
.link-arrow:hover::after{transform:translateX(3px);}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:var(--r-full);
  font-size:13px;
  font-weight:600;
  line-height:1;
}
.badge-primary{background:var(--primary-50);color:var(--primary);}
.badge-accent{background:rgba(255,106,61,.10);color:var(--accent-600);}
.badge-mint{background:rgba(15,179,155,.10);color:var(--mint);}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-500);font-weight:500;}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:none;}

/* ============ 顶部信息条 ============ */
.top-bar{background:var(--bg-alt);font-size:13px;color:var(--ink-500);border-bottom:1px solid var(--line);}
.top-bar .container{display:flex;align-items:center;justify-content:space-between;height:36px;}
.top-bar-right{color:var(--ink-400);}
.top-bar-right a{color:var(--primary);}
.top-bar-right a:hover{text-decoration:underline;}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 200ms var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh2);}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height 200ms var(--ease);}
.site-header.is-stuck .header-inner{height:60px;}

.logo{display:inline-flex;align-items:center;gap:10px;max-width:220px;flex:none;}
.logo-mark{
  position:relative;
  width:32px;height:32px;flex:none;
  border-radius:10px;
  background:var(--primary);
  box-shadow:var(--sh1);
}
.logo-mark::before{content:"";position:absolute;left:8px;top:8px;width:8px;height:8px;border-radius:2px;background:#fff;}
.logo-mark::after{content:"";position:absolute;right:7px;bottom:7px;width:7px;height:7px;border-radius:2px;background:var(--accent);}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.01em;}
.logo-text small{font-size:13px;color:var(--ink-500);}

.header-search-wrap{flex:1;display:flex;}
.search-form{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  max-width:620px;
  margin:0 auto;
  padding:4px 4px 4px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-full);
  box-shadow:var(--sh1);
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,95,214,.12);}
.search-form svg{flex:none;fill:none;stroke:var(--ink-500);stroke-width:1.8;stroke-linecap:round;}
.search-form input{flex:1;min-width:0;height:36px;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink-900);}
.search-form input::placeholder{color:var(--ink-400);font-size:14px;}
.search-form button{
  height:36px;
  padding:0 20px;
  border:0;
  border-radius:var(--r-full);
  background:var(--primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background-color 200ms var(--ease);
}
.search-form button:hover{background:var(--primary-600);}

.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.search-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  cursor:pointer;
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.search-toggle:hover{border-color:var(--primary);background:var(--primary-50);}

.cat-row{background:rgba(255,255,255,.7);border-top:1px solid var(--line);}
.cat-row-inner{
  display:flex;
  align-items:center;
  gap:10px;
  height:52px;
  overflow-x:auto;
  scrollbar-width:none;
}
.cat-row-inner::-webkit-scrollbar{display:none;}
.cat-pill{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--r-full);
  background:var(--surface);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--ink-700);
  white-space:nowrap;
  flex:none;
  transition:background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.cat-pill:hover{background:var(--primary-50);color:var(--primary);border-color:rgba(31,95,214,.25);}
.cat-pill.is-active{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600;}

.anchor-row{display:flex;align-items:center;gap:26px;height:46px;overflow-x:auto;scrollbar-width:none;}
.anchor-row::-webkit-scrollbar{display:none;}
.anchor-link{
  position:relative;
  font-size:14px;
  color:var(--ink-500);
  white-space:nowrap;
  padding:2px 0;
  transition:color 200ms var(--ease);
}
.anchor-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-6px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transition:transform 200ms var(--ease);
}
.anchor-link:hover{color:var(--primary);}
.anchor-link:hover::after,.anchor-link.is-active::after{transform:scaleX(1);}
.anchor-link.is-active{color:var(--primary);font-weight:600;}

/* ============ 面包屑 ============ */
.crumb{padding-top:24px;font-size:13px;color:var(--ink-400);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:var(--ink-400);}
.crumb a{color:var(--ink-400);transition:color 200ms var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb .current{color:var(--ink-500);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:56px 0 72px;
  background:
    radial-gradient(640px 340px at 10% 0%, rgba(31,95,214,.07), transparent 72%),
    radial-gradient(520px 300px at 92% 18%, rgba(255,106,61,.06), transparent 70%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.hero-copy h1{
  margin:18px 0 18px;
  font-size:clamp(28px,3.6vw,40px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-500);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;}
.hero-points span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);}
.hero-points span::before{
  content:"";
  width:16px;height:16px;flex:none;
  border-radius:50%;
  background:rgba(15,179,155,.14);
  box-shadow:inset 0 0 0 1.5px var(--mint);
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  box-shadow:var(--sh4);
}
.hero-float-card{
  position:absolute;
  left:-16px;
  bottom:24px;
  width:220px;
  padding:16px 18px;
  background:var(--surface);
  border-radius:var(--r-md);
  box-shadow:var(--sh3);
}
.hero-float-card b{display:block;font-size:24px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-float-card span{font-size:13px;color:var(--ink-500);}
.hero-side-badge{
  position:absolute;
  right:-12px;
  top:-12px;
}

/* ============ 数据条 ============ */
.stat-bar{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh2);
  padding:28px 8px;
  margin-top:-28px;
  position:relative;
  z-index:2;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:0 24px;border-left:1px solid var(--line);}
.stat-item:first-child{border-left:0;}
.stat-item b{display:block;font-size:26px;font-weight:800;color:var(--primary);line-height:1.25;}
.stat-item span{display:block;margin-top:4px;font-size:13px;color:var(--ink-500);}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:640px;}
.section-head .head-side{flex:none;font-size:14px;color:var(--ink-500);}

/* ============ 图文横排流 ============ */
.flow-list{display:flex;flex-direction:column;gap:20px;}
.flow-card{
  display:grid;
  grid-template-columns:40% 1fr;
  gap:28px;
  padding:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh2);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--sh3);border-color:rgba(31,95,214,.3);}
.flow-thumb{position:relative;overflow:hidden;border-radius:var(--r-lg);}
.flow-thumb img{width:100%;height:100%;aspect-ratio:4/3;border-radius:var(--r-lg);transition:transform 300ms var(--ease);}
.flow-card:hover .flow-thumb img{transform:scale(1.03);}
.flow-body{display:flex;flex-direction:column;gap:12px;justify-content:center;}
.flow-body h3{font-size:19px;font-weight:600;line-height:1.5;}
.flow-body p{font-size:15px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.flow-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink-400);}
.flow-foot{margin-top:2px;}

/* ============ 流程时间轴 ============ */
.step-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 22px;
  box-shadow:var(--sh2);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;
  border-radius:var(--r-sm);
  background:var(--primary-50);
  color:var(--primary);
  font-size:15px;font-weight:800;
  margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--ink-500);line-height:1.75;}

/* ============ 适用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.scene-card{
  display:flex;
  gap:18px;
  padding:26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh1);
  transition:box-shadow 200ms var(--ease),transform 200ms var(--ease),border-color 200ms var(--ease);
}
.scene-card:hover{box-shadow:var(--sh3);transform:translateY(-4px);border-color:rgba(31,95,214,.3);}
.scene-icon{
  display:flex;align-items:center;justify-content:center;
  width:46px;height:46px;flex:none;
  border-radius:var(--r-md);
  background:var(--primary-50);
  color:var(--primary);
}
.scene-card h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.scene-card p{font-size:14px;color:var(--ink-500);line-height:1.75;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:32% 1fr;gap:44px;align-items:start;}
.faq-side h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.faq-side p{margin-top:14px;font-size:15px;color:var(--ink-500);}
.faq-side .link-arrow{margin-top:20px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.faq-item:hover{border-color:rgba(31,95,214,.3);}
.faq-item.is-open{box-shadow:var(--sh2);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  width:100%;
  padding:18px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  cursor:pointer;
}
.faq-icon{
  position:relative;
  width:24px;height:24px;flex:none;
  border-radius:50%;
  background:var(--primary-50);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--primary);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:opacity 200ms var(--ease),transform 200ms var(--ease);
}
.faq-icon::before{width:11px;height:1.8px;}
.faq-icon::after{width:1.8px;height:11px;}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) scaleY(.2);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease);}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a-inner{
  padding:16px 22px 20px;
  border-top:1px solid var(--line);
  font-size:15px;
  line-height:1.8;
  color:var(--ink-500);
}

/* ============ 分页 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:40px;flex-wrap:wrap;}
.pager-dot{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;
  border-radius:var(--r-sm);
  background:var(--surface);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--ink-700);
  transition:background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.pager-dot:hover{border-color:var(--primary);color:var(--primary);}
.pager-dot.is-current{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600;}
.pager-link{font-size:14px;color:var(--ink-500);transition:color 200ms var(--ease);}
.pager-link:hover{color:var(--primary);}
.pager-link.is-disabled{color:var(--ink-400);pointer-events:none;}

/* ============ 底部 CTA ============ */
.cta-band{padding:0 0 96px;}
.cta-panel{
  padding:56px 32px;
  text-align:center;
  border-radius:var(--r-xl);
  background:linear-gradient(135deg,var(--primary-50),#FFFFFF);
  border:1px solid var(--line);
  box-shadow:var(--sh2);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.cta-panel p{margin:16px auto 0;max-width:640px;font-size:15px;color:var(--ink-500);}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px;margin-top:28px;}

/* ============ Footer ============ */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--ink-500);max-width:340px;line-height:1.8;}
.footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:16px;font-size:13px;color:var(--ink-400);}
.footer-col h4{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--ink-500);transition:color 200ms var(--ease);}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.qr-box{
  width:96px;height:96px;
  display:flex;align-items:center;justify-content:center;
  border:1px dashed var(--line);
  border-radius:var(--r-md);
  font-size:12px;
  color:var(--ink-400);
  text-align:center;
  padding:8px;
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:56px;
  padding:22px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-400);
}

/* ============ 浮动 CTA / 返回顶部 ============ */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-full);
  background:var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh3);
  opacity:0;
  transform:translateY(12px);
  pointer-events:none;
  transition:opacity 240ms var(--ease),transform 240ms var(--ease),background-color 200ms var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--accent-600);transform:translateY(-2px);}
.back-top{
  position:fixed;
  right:28px;
  bottom:88px;
  z-index:69;
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;
  border-radius:50%;
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--ink-500);
  box-shadow:var(--sh2);
  opacity:0;
  pointer-events:none;
  transition:opacity 240ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.back-top.is-visible{opacity:1;pointer-events:auto;}
.back-top:hover{color:var(--primary);border-color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-grid{gap:36px;}
  .step-grid{grid-template-columns:repeat(3,1fr);}
}

@media (max-width:1023px){
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:2;}
  .hero-float-card{left:12px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .stat-item:nth-child(3){border-left:0;}
  .flow-card{grid-template-columns:44% 1fr;gap:22px;}
  .scene-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .anchor-row{display:none;}
}

@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .top-bar .container{justify-content:flex-start;}
  .top-bar-right{display:none;}
  .header-inner{gap:12px;height:64px;}
  .site-header.is-stuck .header-inner{height:58px;}
  .logo-text small{font-size:12px;}
  .search-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .header-search-wrap{
    position:absolute;
    left:18px;
    right:18px;
    top:100%;
    display:none !important;
    padding:12px 0;
  }
  .site-header.search-open .header-search-wrap{display:flex !important;}
  .search-form{max-width:none;box-shadow:var(--sh3);}
  .page-hero{padding:36px 0 56px;}
  .hero-lead{font-size:16px;}
  .hero-cta .btn{flex:1 1 auto;}
  .hero-float-card{width:auto;left:12px;right:12px;bottom:12px;}
  .hero-side-badge{right:8px;top:8px;}
  .stat-bar{margin-top:-16px;padding:22px 4px;}
  .stat-item{padding:0 16px;}
  .stat-item b{font-size:22px;}
  .flow-card{grid-template-columns:1fr;gap:18px;padding:20px;}
  .step-grid{grid-template-columns:1fr;gap:14px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .cta-panel{padding:32px 20px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a-inner{padding:14px 18px 18px;}
  .float-cta{
    left:0;right:0;bottom:0;
    height:56px;
    border-radius:0;
    justify-content:space-between;
    padding:0 18px calc(0px + env(safe-area-inset-bottom)) 18px;
    font-size:14px;
  }
  .float-cta .float-cta-text{font-size:14px;font-weight:500;color:var(--ink-700);}
  .float-cta .float-cta-btn{background:#fff;color:var(--accent-600);border-radius:var(--r-full);height:36px;padding:0 16px;display:inline-flex;align-items:center;font-weight:700;}
  .float-cta:hover{transform:none;}
  .back-top{bottom:calc(72px + env(safe-area-inset-bottom));right:16px;width:42px;height:42px;}
  .site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom));}
}

@media (max-width:520px){
  .hero-points{gap:12px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-left:0;padding:0 16px 16px;}
  .stat-item + .stat-item{border-top:1px solid var(--line);padding-top:16px;}
  .pager-dot{display:none;}
  .pager-dot.is-current{display:inline-flex;}
}

/* roulang page: category2 */
/* ===== 设计令牌 ===== */
:root{
  --ink-900:#0D1A2B;
  --ink-700:#29405C;
  --ink-500:#5B7089;
  --ink-400:#8A9BB1;
  --line:#DDE6F1;
  --bg:#F4F8FD;
  --bg-alt:#EAF1FB;
  --surface:#FFFFFF;
  --primary:#1F5FD6;
  --primary-600:#1A4FB4;
  --primary-50:#E8F0FF;
  --accent:#FF6A3D;
  --accent-600:#E85526;
  --mint:#0FB39B;
  --amber:#F5A524;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:26px;
  --r-full:999px;
  --sh1:0 1px 2px rgba(16,38,72,.06);
  --sh2:0 4px 16px rgba(16,38,72,.07);
  --sh3:0 12px 32px rgba(16,38,72,.10);
  --sh4:0 24px 56px rgba(16,38,72,.14);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-600);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(31,95,214,.35);outline-offset:2px;border-radius:6px;}
::selection{background:var(--primary-50);color:var(--primary-600);}
svg{flex:none;}

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

/* ===== 通用组件 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh3);}
.btn:active{transform:translateY(0);box-shadow:var(--sh1);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-600);color:#fff;}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-secondary:hover{background:var(--primary-50);color:var(--primary-600);}
.btn-ghost{background:#fff;color:var(--ink-700);border:1px solid var(--line);}
.btn-ghost:hover{color:var(--primary);border-color:rgba(31,95,214,.35);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-lg{height:48px;padding:0 30px;font-size:16px;}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--r-full);font-size:13px;font-weight:600;line-height:1;
  background:var(--primary-50);color:var(--primary);
}
.badge-accent{background:rgba(255,106,61,.12);color:var(--accent-600);}
.badge-mint{background:rgba(15,179,155,.12);color:#0A8C79;}
.badge-line{background:#fff;color:var(--ink-500);border:1px solid var(--line);}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}

.section{padding:96px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:620px;}
.section-head .head-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px;text-align:right;}
.section-head .head-right span{font-size:13px;color:var(--ink-400);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.04em;margin-bottom:12px;}

/* ===== 顶部信息条 ===== */
.topbar{height:36px;background:var(--bg-alt);font-size:13px;color:var(--ink-500);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;}
.topbar-inner .tb-right{display:flex;gap:18px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.86);backdrop-filter:blur(10px);box-shadow:var(--sh2);}
.header-inner{position:relative;display:flex;align-items:center;gap:20px;height:72px;transition:height var(--ease);}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;max-width:220px;flex:none;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  background:linear-gradient(140deg,var(--primary) 0%,#2E74E8 100%);
  position:relative;box-shadow:var(--sh1);
}
.logo-mark::before{content:"";position:absolute;left:8px;top:9px;width:8px;height:8px;background:#fff;border-radius:2px;}
.logo-mark::after{content:"";position:absolute;right:7px;bottom:8px;width:9px;height:9px;background:var(--accent);border-radius:3px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:700;color:var(--ink-900);}
.logo-text small{font-size:13px;color:var(--ink-500);font-weight:500;}

.search-form{
  display:flex;align-items:center;gap:10px;width:100%;max-width:620px;margin:0 auto;
  height:44px;padding:0 6px 0 16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-full);box-shadow:var(--sh1);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,95,214,.12);}
.search-form svg{stroke:var(--ink-400);stroke-width:1.8;fill:none;}
.search-form input{
  flex:1;min-width:0;border:0;background:transparent;height:100%;font-size:14px;color:var(--ink-900);
}
.search-form input::placeholder{color:var(--ink-400);font-size:14px;}
.search-form input:focus{outline:none;}
.search-form button{
  height:34px;padding:0 18px;border-radius:var(--r-full);background:var(--primary);color:#fff;
  font-size:14px;font-weight:600;transition:background var(--ease),transform var(--ease);
}
.search-form button:hover{background:var(--primary-600);transform:translateY(-1px);}

.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.search-toggle{display:none;width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;}
.search-toggle:hover{border-color:rgba(31,95,214,.35);}

.cat-row{border-top:1px solid var(--line);background:#fff;}
.cat-row-inner{display:flex;align-items:center;gap:10px;padding-top:10px;padding-bottom:10px;overflow-x:auto;scrollbar-width:none;}
.cat-row-inner::-webkit-scrollbar{display:none;}
.cat-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-full);
  background:#fff;border:1px solid var(--line);color:var(--ink-700);font-size:14px;font-weight:500;
  white-space:nowrap;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.cat-pill:hover{background:var(--primary-50);color:var(--primary);border-color:rgba(31,95,214,.30);transform:translateY(-1px);}
.cat-pill.is-active{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600;}

.anchor-row{display:flex;align-items:center;gap:22px;padding-top:10px;padding-bottom:12px;overflow-x:auto;scrollbar-width:none;}
.anchor-row::-webkit-scrollbar{display:none;}
.anchor-link{position:relative;font-size:14px;color:var(--ink-500);white-space:nowrap;padding-bottom:4px;}
.anchor-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:transparent;transition:background var(--ease);}
.anchor-link:hover{color:var(--primary);}
.anchor-link.is-active{color:var(--primary);font-weight:600;}
.anchor-link.is-active::after{background:var(--primary);}

/* ===== 面包屑 ===== */
.crumb{padding-top:24px;font-size:13px;color:var(--ink-400);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--ink-400);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--ink-400);}
.crumb .current{color:var(--ink-500);}

/* ===== 分类 Hero ===== */
.cat-hero{position:relative;padding:64px 0 80px;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 340px at 12% 8%,rgba(31,95,214,.08),transparent 70%),
    radial-gradient(520px 300px at 92% 82%,rgba(15,179,155,.07),transparent 72%);
}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.cat-hero h1{font-size:clamp(28px,3.6vw,40px);font-weight:800;line-height:1.25;margin-bottom:16px;}
.cat-hero h1 em{font-style:normal;color:var(--primary);}
.cat-hero .lead{font-size:17px;color:var(--ink-500);max-width:560px;margin-bottom:24px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--ink-500);}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;}
.hero-meta .dot{width:16px;height:16px;border-radius:50%;background:var(--primary-50);display:inline-flex;align-items:center;justify-content:center;}
.hero-meta .dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);}

.hero-visual{position:relative;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh4);border:1px solid var(--line);}
.hero-float{
  position:absolute;left:-16px;bottom:22px;width:220px;background:#fff;border-radius:var(--r-lg);
  box-shadow:var(--sh3);padding:16px 18px;border:1px solid var(--line);
}
.hero-float b{display:block;font-size:26px;font-weight:800;color:var(--mint);line-height:1.2;}
.hero-float span{display:block;font-size:13px;color:var(--ink-500);margin-top:4px;}
.hero-tag{
  position:absolute;right:-10px;top:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-full);box-shadow:var(--sh2);padding:7px 14px;font-size:13px;font-weight:600;color:var(--primary);
}

/* ===== 概览卡 ===== */
.overview{padding:0 0 12px;}
.overview-card{
  display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:center;
  background:var(--bg-alt);border-radius:var(--r-xl);padding:40px 44px;border:1px solid var(--line);
}
.overview-card h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;margin-bottom:12px;}
.overview-card p{font-size:15.5px;color:var(--ink-500);max-width:640px;}
.overview-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.overview-icon{
  justify-self:end;width:150px;height:150px;border-radius:var(--r-xl);background:#fff;
  box-shadow:var(--sh2);display:flex;align-items:center;justify-content:center;border:1px solid var(--line);
}
.overview-icon svg{stroke:var(--primary);stroke-width:1.6;fill:none;}

/* ===== 筛选 ===== */
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:28px;}
.filter-pill{
  height:36px;padding:0 16px;border-radius:var(--r-full);background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink-700);transition:all var(--ease);
}
.filter-pill:hover{border-color:rgba(31,95,214,.35);color:var(--primary);transform:translateY(-1px);}
.filter-pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}

/* ===== 网格卡片 ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.g-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh2);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.g-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(31,95,214,.35);}
.g-card .thumb{position:relative;overflow:hidden;border-radius:0;}
.g-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.g-card:hover .thumb img{transform:scale(1.04);}
.g-card .thumb .tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--primary);border-radius:var(--r-full);font-size:12.5px;font-weight:600;padding:5px 12px;}
.g-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.g-card h3{font-size:19px;font-weight:600;line-height:1.5;}
.g-card .excerpt{font-size:14.5px;color:var(--ink-500);line-height:1.75;}
.g-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.g-card .time{font-size:13px;color:var(--ink-400);}
.is-hidden{display:none !important;}

/* ===== 分页 ===== */
.pager{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:44px;flex-wrap:wrap;}
.pager .page-link{font-size:14px;color:var(--ink-500);font-weight:600;}
.pager .page-link:hover{color:var(--primary);}
.pager .page-num{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-700);
  transition:all var(--ease);
}
.pager .page-num:hover{border-color:rgba(31,95,214,.35);color:var(--primary);transform:translateY(-2px);}
.pager .page-num.is-current{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700;}

/* ===== 安全能力 ===== */
.abilities-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.ability{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.ability:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(31,95,214,.35);}
.ability .ico{width:44px;height:44px;border-radius:var(--r-md);background:var(--primary-50);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.ability .ico svg{stroke:var(--primary);stroke-width:1.8;fill:none;}
.ability h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.ability p{font-size:14.5px;color:var(--ink-500);}

/* ===== 流程时间轴 ===== */
.flow{background:var(--bg-alt);border-radius:var(--r-xl);padding:44px 44px 20px;border:1px solid var(--line);}
.flow-list{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-item{position:relative;padding-top:22px;}
.flow-item::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--line);border-radius:2px;}
.flow-item::after{content:"";position:absolute;left:0;top:-4px;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(31,95,214,.14);}
.flow-item .step-no{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.06em;}
.flow-item h3{font-size:17px;font-weight:600;margin:6px 0 8px;}
.flow-item p{font-size:14px;color:var(--ink-500);line-height:1.75;}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:32% 1fr;gap:48px;align-items:start;}
.faq-aside h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;margin-bottom:12px;}
.faq-aside p{font-size:15px;color:var(--ink-500);margin-bottom:18px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.faq-item:hover{border-color:rgba(31,95,214,.30);}
.faq-item.is-open{box-shadow:var(--sh2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--ink-900);text-align:left;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-ico{
  width:24px;height:24px;border-radius:50%;background:var(--primary-50);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex:none;
  transition:background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-ico{background:var(--primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--ease),opacity var(--ease);opacity:0;}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a-inner{padding:16px 20px 20px;border-top:1px solid var(--line);font-size:15px;line-height:1.8;color:var(--ink-500);}

/* ===== 底部 CTA ===== */
.cta-section{padding:0 0 96px;}
.cta-panel{
  background:linear-gradient(135deg,var(--primary-50) 0%,#FFFFFF 100%);
  border-radius:var(--r-xl);padding:56px;text-align:center;border:1px solid var(--line);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:14px;}
.cta-panel p{font-size:16px;color:var(--ink-500);max-width:660px;margin:0 auto 28px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;align-items:center;}
.cta-note{margin-top:18px;font-size:13px;color:var(--ink-400);}

/* ===== 浮动 CTA / 返回顶部 ===== */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;
  background:var(--accent);color:#fff;border-radius:var(--r-full);box-shadow:var(--sh3);
  font-size:15px;font-weight:600;opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),background var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);}
.float-cta svg{stroke:#fff;stroke-width:1.8;fill:none;}
.to-top{
  position:fixed;right:36px;bottom:96px;z-index:69;width:48px;height:48px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh2);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),border-color var(--ease);
}
.to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.to-top:hover{border-color:rgba(31,95,214,.35);}
.to-top svg{stroke:var(--primary);stroke-width:1.8;fill:none;}

/* ===== 页脚 ===== */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{font-size:14px;color:var(--ink-500);margin:16px 0 16px;max-width:380px;}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink-400);}
.footer-col h4{font-size:15px;font-weight:600;color:var(--ink-900);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--ink-500);border-bottom:1px solid transparent;transition:color var(--ease),border-color var(--ease);}
.footer-col a:hover{color:var(--primary);border-bottom-color:var(--primary);}
.qr-box{
  width:96px;height:96px;border:1px solid var(--line);border-radius:var(--r-md);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--ink-400);text-align:center;padding:8px;
}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-400);
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .cat-hero-inner{gap:40px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .cat-hero{padding:48px 0 64px;}
  .cat-hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-float{left:12px;bottom:14px;width:190px;}
  .overview-card{grid-template-columns:1fr;gap:24px;padding:32px;}
  .overview-icon{justify-self:start;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .flow{padding:32px 28px 12px;}
  .flow-list{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:2fr 1fr;gap:32px;}
  .header-search-wrap{display:none;}
  .search-toggle{display:inline-flex;}
  .header-search-wrap.is-open{
    display:flex;position:absolute;left:0;right:0;top:100%;
    padding:12px 0 16px;background:#fff;border-bottom:1px solid var(--line);
  }
  .header-search-wrap.is-open .search-form{max-width:100%;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .topbar-inner .tb-right{display:none;}
  .header-inner{height:64px;gap:12px;}
  .header-actions .btn{display:none;}
  .grid-2{grid-template-columns:1fr;gap:18px;}
  .abilities-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .section-head .head-right{align-items:flex-start;text-align:left;}
  .overview-card{padding:24px 20px;}
  .flow-list{grid-template-columns:1fr;gap:18px;}
  .flow{padding:26px 20px 6px;}
  .cta-section{padding-bottom:88px;}
  .cta-panel{padding:32px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .band{padding-bottom:72px;}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom));}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;justify-content:space-between;
    padding:0 18px calc(0px + env(safe-area-inset-bottom)) 18px;
    background:var(--surface);color:var(--ink-700);box-shadow:var(--sh3);
    border-top:1px solid var(--line);
  }
  .float-cta:hover{background:var(--surface);color:var(--ink-700);transform:none;}
  .float-cta .fc-text{font-size:14px;color:var(--ink-700);}
  .float-cta .fc-btn{background:var(--accent);color:#fff;border-radius:var(--r-md);height:38px;padding:0 18px;display:inline-flex;align-items:center;font-size:14px;font-weight:600;}
  .float-cta svg{stroke:var(--accent);}
  .to-top{right:16px;bottom:78px;}
  .pager .page-num:not(.is-current){display:none;}
}
@media (max-width:520px){
  .hero-float{position:static;width:100%;margin-top:14px;left:auto;bottom:auto;}
  .hero-tag{right:8px;top:10px;}
  .cat-hero h1{font-size:26px;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --ink-900:#0D1A2B;
  --ink-700:#29405C;
  --ink-500:#5B7089;
  --ink-400:#8A9BB1;
  --line:#DDE6F1;
  --bg:#F4F8FD;
  --bg-alt:#EAF1FB;
  --surface:#FFFFFF;
  --primary:#1F5FD6;
  --primary-600:#1A4FB4;
  --primary-50:#E8F0FF;
  --accent:#FF6A3D;
  --accent-600:#E85526;
  --mint:#0FB39B;
  --amber:#F5A524;

  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:26px;
  --r-full:999px;

  --sh1:0 1px 2px rgba(16,38,72,.06);
  --sh2:0 4px 16px rgba(16,38,72,.07);
  --sh3:0 12px 32px rgba(16,38,72,.10);
  --sh4:0 24px 56px rgba(16,38,72,.14);

  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px;
  --s6:32px; --s7:48px; --s8:64px; --s9:96px; --s10:120px;
}

/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  padding-bottom:0;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
svg{flex:none;}
:focus-visible{outline:3px solid rgba(31,95,214,.35);outline-offset:2px;border-radius:6px;}

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

/* ============ 顶部信息条 ============ */
.top-bar{
  background:var(--bg-alt);
  font-size:13px;
  line-height:2.6;
  color:var(--ink-500);
  border-bottom:1px solid var(--line);
}
.top-bar .container{
  display:flex;
  justify-content:space-between;
  gap:16px;
}
.top-bar .top-right{display:flex;gap:20px;}
.top-bar a:hover{color:var(--primary);}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.86);
  box-shadow:var(--sh2);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  padding-top:16px;
  padding-bottom:16px;
  transition:padding var(--ease);
}
.site-header.is-stuck .header-inner{
  padding-top:9px;
  padding-bottom:9px;
}

/* Logo */
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
  max-width:220px;
}
.logo-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:
    linear-gradient(135deg,#2B6FE8 0%,var(--primary) 55%,#17429A 100%);
  position:relative;
  box-shadow:var(--sh1);
  flex:none;
}
.logo-mark::before{
  content:"";
  position:absolute;
  left:8px;top:8px;
  width:7px;height:7px;
  border-radius:2px;
  background:#fff;
  box-shadow:9px 0 0 rgba(255,255,255,.72), 0 9px 0 rgba(255,255,255,.72), 9px 9px 0 var(--accent);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.01em;}
.logo-text small{font-size:13px;color:var(--ink-500);font-weight:500;}

/* 搜索主导导航 */
.header-search-wrap{flex:1;display:flex;justify-content:center;}
.search-form{
  display:flex;
  align-items:center;
  width:100%;
  max-width:620px;
  height:46px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-full);
  box-shadow:var(--sh1);
  padding:0 6px 0 16px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-form svg{stroke:var(--ink-400);stroke-width:1.8;fill:none;stroke-linecap:round;margin-right:10px;}
.search-form input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  height:100%;
  font-size:14px;
  color:var(--ink-700);
  outline:none;
}
.search-form input::placeholder{color:var(--ink-400);font-size:14px;}
.search-form button{
  height:34px;
  padding:0 20px;
  border-radius:var(--r-full);
  background:var(--primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background var(--ease),transform var(--ease);
}
.search-form button:hover{background:var(--primary-600);}
.search-form:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(31,95,214,.12);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.search-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-md);align-items:center;justify-content:center;background:#fff;}

/* 分类胶囊行 */
.cat-row{border-top:1px solid var(--line);background:rgba(255,255,255,.7);}
.cat-row-inner{
  display:flex;
  gap:10px;
  padding-top:12px;
  padding-bottom:12px;
  overflow-x:auto;
  scrollbar-width:none;
}
.cat-row-inner::-webkit-scrollbar{display:none;}
.cat-pill{
  flex:none;
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-full);
  background:var(--surface);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--ink-700);
  white-space:nowrap;
  transition:all var(--ease);
}
.cat-pill:hover{background:var(--primary-50);color:var(--primary);border-color:rgba(31,95,214,.35);}
.cat-pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-lg{height:48px;padding:0 30px;font-size:16px;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-2px);box-shadow:var(--sh3);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1);}
.btn-outline{background:var(--surface);color:var(--primary);border:1px solid var(--primary);}
.btn-outline:hover{background:var(--primary-50);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--ink-700);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.link-arrow span{transition:transform var(--ease);}
.link-arrow:hover span{transform:translateX(3px);}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-full);
  font-size:13px;
  line-height:1;
  white-space:nowrap;
}
.badge-primary{background:var(--primary-50);color:var(--primary);}
.badge-accent{background:rgba(255,106,61,.1);color:var(--accent-600);}
.badge-mint{background:rgba(15,179,155,.1);color:#0A8877;}
.badge-amber{background:rgba(245,165,36,.14);color:#A66A00;}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-500);}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-400);
  padding-top:24px;
}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--ink-400);}
.breadcrumb .current{color:var(--ink-500);}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  margin-top:24px;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:#0D2144;
  background-image:linear-gradient(100deg,rgba(9,25,50,.92) 0%,rgba(13,38,78,.86) 46%,rgba(15,48,98,.62) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:56px;
  box-shadow:var(--sh3);
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.28) 0%,rgba(255,106,61,0) 68%);
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:1;max-width:760px;}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:var(--r-full);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  font-size:13px;
  color:#EAF3FF;
  margin-bottom:20px;
}
.hero-kicker i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.cat-hero h1{
  font-size:clamp(28px,3.6vw,40px);
  font-weight:800;
  line-height:1.28;
  letter-spacing:-.01em;
  color:#fff;
}
.cat-hero p{
  margin-top:16px;
  font-size:16px;
  line-height:1.9;
  color:rgba(233,242,255,.86);
  max-width:640px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.hero-meta .badge{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:#DCE9FF;
}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.35;
  color:var(--ink-900);
  letter-spacing:-.01em;
}
.section-head .sub{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-500);
  max-width:640px;
}
.section-head .side-note{
  font-size:14px;
  color:var(--ink-400);
  white-space:nowrap;
}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh2);
  overflow:hidden;
}
.stat-item{
  padding:28px 24px;
  text-align:center;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0;}
.stat-item .num{
  font-size:28px;
  font-weight:800;
  line-height:1.2;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.stat-item .num.mint{color:var(--mint);}
.stat-item .num.accent{color:var(--accent);}
.stat-item .label{
  margin-top:8px;
  font-size:13px;
  color:var(--ink-500);
}

/* ============ 热度排行榜（编号列表） ============ */
.rank-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh2);
  overflow:hidden;
}
.rank-toolbar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 28px;
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
}
.rank-toolbar .note{font-size:13px;color:var(--ink-500);}
.rank-list{display:block;}
.rank-item{
  display:flex;
  gap:24px;
  padding:26px 28px;
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.rank-item:last-child{border-bottom:0;}
.rank-item:hover{background:var(--bg-alt);}
.rank-item:hover .rank-title{color:var(--primary);}
.rank-item:hover .rank-index{background:var(--primary);color:#fff;border-color:var(--primary);}
.rank-index{
  flex:none;
  width:48px;
  height:48px;
  border-radius:14px;
  background:var(--primary-50);
  color:var(--primary);
  border:1px solid rgba(31,95,214,.16);
  font-size:20px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
  transition:all var(--ease);
}
.rank-body{flex:1;min-width:0;}
.rank-title-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.rank-title{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink-900);
  transition:color var(--ease);
}
.rank-desc{
  margin-top:8px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-500);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rank-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-top:12px;
  font-size:13px;
  color:var(--ink-400);
}
.rank-meta .dot{color:var(--ink-400);}
.rank-go{
  flex:none;
  align-self:center;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  opacity:0;
  transform:translateX(-6px);
  transition:all var(--ease);
}
.rank-item:hover .rank-go{opacity:1;transform:translateX(0);}

/* 热度条 */
.heat{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:12px;
}
.heat-track{
  flex:1;
  height:6px;
  max-width:220px;
  border-radius:var(--r-full);
  background:var(--bg-alt);
  overflow:hidden;
}
.heat-fill{
  height:100%;
  border-radius:var(--r-full);
  background:linear-gradient(90deg,var(--primary) 0%,#5B92F0 100%);
}
.heat-fill.hot{background:linear-gradient(90deg,var(--accent) 0%,#FFA17F 100%);}
.heat-text{font-size:12.5px;color:var(--ink-400);}

/* ============ 玩法看点网格 ============ */
.highlight-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.hl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh2);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.hl-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh3);
  border-color:rgba(31,95,214,.35);
}
.hl-thumb{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--bg-alt);
}
.hl-thumb img{
  width:100%;
  height:100%;
  transition:transform 420ms cubic-bezier(.2,.7,.3,1);
}
.hl-card:hover .hl-thumb img{transform:scale(1.04);}
.hl-thumb .tag{
  position:absolute;
  left:14px;
  top:14px;
}
.hl-thumb .tag-right{
  position:absolute;
  right:14px;
  top:14px;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-full);
  background:rgba(13,26,43,.66);
  color:#fff;
  font-size:12.5px;
  display:inline-flex;
  align-items:center;
}
.hl-body{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.hl-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink-900);
}
.hl-body p{
  margin-top:8px;
  font-size:14px;
  line-height:1.75;
  color:var(--ink-500);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.hl-foot{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-400);
}

/* ============ 周更日历 ============ */
.calendar-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh2);
  padding:36px;
}
.calendar-grid{
  display:grid;
  grid-template-columns:repeat(7,1fr);
  gap:12px;
}
.cal-day{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:16px 14px;
  background:var(--bg);
  min-height:150px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transition:all var(--ease);
}
.cal-day:hover{
  border-color:rgba(31,95,214,.35);
  background:#fff;
  box-shadow:var(--sh2);
  transform:translateY(-3px);
}
.cal-day .week{
  font-size:13px;
  font-weight:700;
  color:var(--ink-900);
}
.cal-day .date{
  font-size:12.5px;
  color:var(--ink-400);
}
.cal-day ul{display:flex;flex-direction:column;gap:6px;margin-top:4px;}
.cal-day li{
  font-size:13px;
  line-height:1.6;
  color:var(--ink-500);
  padding-left:10px;
  position:relative;
}
.cal-day li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:4px;height:4px;
  border-radius:50%;
  background:var(--primary);
}
.cal-day.is-key{
  background:var(--primary-50);
  border-color:rgba(31,95,214,.3);
}
.cal-day.is-key li::before{background:var(--accent);}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:32% 1fr;
  gap:48px;
  align-items:start;
}
.faq-aside h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.35;
  color:var(--ink-900);
}
.faq-aside p{
  margin-top:14px;
  font-size:15px;
  color:var(--ink-500);
}
.faq-aside .link-arrow{margin-top:18px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(31,95,214,.35);}
.faq-item.is-open{box-shadow:var(--sh2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
}
.faq-icon{
  flex:none;
  width:24px;height:24px;
  border-radius:50%;
  background:var(--primary-50);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  line-height:1;
  transition:transform var(--ease),background var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms cubic-bezier(.2,.7,.3,1),opacity var(--ease);
  opacity:0;
}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a-inner{
  padding:16px 22px 20px;
  border-top:1px solid var(--line);
  font-size:15px;
  line-height:1.8;
  color:var(--ink-500);
}

/* ============ 分页 ============ */
.pagination{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin-top:40px;
  flex-wrap:wrap;
}
.page-num{
  width:36px;height:36px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  color:var(--ink-700);
  transition:all var(--ease);
}
.page-num:hover{border-color:var(--primary);color:var(--primary);}
.page-num.is-current{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}
.page-text{
  font-size:14px;
  color:var(--ink-500);
  padding:0 6px;
}
.page-text:hover{color:var(--primary);}

/* ============ 底部 CTA 条 ============ */
.cta-band{
  margin:0 auto 96px;
  max-width:1200px;
  padding:56px;
  border-radius:var(--r-xl);
  background:linear-gradient(135deg,var(--primary-50) 0%,#FFFFFF 100%);
  border:1px solid var(--line);
  box-shadow:var(--sh2);
  text-align:center;
}
.cta-band h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  color:var(--ink-900);
  line-height:1.35;
}
.cta-band p{
  margin:14px auto 0;
  max-width:620px;
  font-size:15px;
  color:var(--ink-500);
}
.cta-band .cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
  margin-top:28px;
}

/* ============ 页脚 ============ */
.site-footer{
  background:#0D1A2B;
  color:rgba(226,236,248,.72);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.site-footer .logo-text b{color:#fff;}
.site-footer .logo-text small{color:rgba(226,236,248,.6);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:rgba(226,236,248,.66);
  max-width:340px;
}
.footer-contact{
  margin-top:18px;
  display:flex;
  flex-direction:column;
  gap:6px;
  font-size:13px;
  color:rgba(226,236,248,.55);
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(226,236,248,.68);
  border-bottom:1px solid transparent;
}
.footer-col a:hover{color:#fff;border-bottom-color:var(--primary);}
.qr-box{
  width:96px;height:96px;
  border:1px dashed rgba(226,236,248,.28);
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  color:rgba(226,236,248,.45);
  text-align:center;
  padding:10px;
}
.footer-bottom{
  border-top:1px solid rgba(226,236,248,.12);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(226,236,248,.5);
}

/* ============ 浮动 CTA / 返回顶部 ============ */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:50px;
  padding:0 24px;
  border-radius:var(--r-full);
  background:var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh3);
  opacity:0;
  transform:translateY(12px);
  pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),background var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--accent-600);transform:translateY(-2px);}
.back-top{
  position:fixed;
  right:31px;
  bottom:92px;
  z-index:89;
  width:48px;height:48px;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh2);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--ink-500);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--ease),color var(--ease),transform var(--ease);
}
.back-top.is-visible{opacity:1;pointer-events:auto;}
.back-top:hover{color:var(--primary);transform:translateY(-3px);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .highlight-grid{grid-template-columns:repeat(2,1fr);}
  .calendar-grid{grid-template-columns:repeat(4,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cat-hero{padding:44px 36px;}
  .cta-band{padding:44px 32px;margin-bottom:72px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .top-bar .top-right{display:none;}
  .header-inner{gap:12px;padding-top:12px;padding-bottom:12px;}
  .header-search-wrap{display:none;}
  .header-search-wrap.is-open{
    display:flex;
    position:absolute;
    left:18px;right:18px;top:64px;
    padding:10px 0;
    background:#fff;
    z-index:5;
  }
  .search-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .cat-hero{margin-top:16px;padding:36px 22px;border-radius:var(--r-lg);}
  .hero-actions .btn{flex:1 1 100%;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat-item{padding:22px 16px;}
  .stat-item .num{font-size:24px;}
  .rank-item{gap:14px;padding:20px 18px;}
  .rank-index{width:40px;height:40px;border-radius:12px;font-size:17px;}
  .rank-title{font-size:17px;}
  .rank-go{display:none;}
  .highlight-grid{grid-template-columns:1fr;}
  .calendar-grid{grid-template-columns:repeat(2,1fr);}
  .calendar-card{padding:22px 18px;border-radius:var(--r-lg);}
  .cta-band{padding:32px 20px;margin-bottom:96px;}
  .cta-band .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom));}
  .float-cta{
    left:0;right:0;bottom:0;
    height:56px;
    border-radius:0;
    justify-content:space-between;
    padding:0 18px calc(0px + env(safe-area-inset-bottom));
    background:var(--surface);
    color:var(--ink-700);
    box-shadow:0 -4px 18px rgba(16,38,72,.12);
    border-top:1px solid var(--line);
    opacity:1;
    transform:none;
    pointer-events:auto;
  }
  .float-cta:hover{background:var(--surface);transform:none;}
  .float-cta .fc-text{font-size:14px;}
  .float-cta .fc-btn{
    height:38px;
    padding:0 18px;
    border-radius:var(--r-full);
    background:var(--accent);
    color:#fff;
    font-size:14px;
    font-weight:600;
    display:inline-flex;
    align-items:center;
  }
  .back-top{right:16px;bottom:74px;width:42px;height:42px;}
}
@media (max-width:480px){
  .calendar-grid{grid-template-columns:1fr;}
  .pagination .page-num:nth-child(n+5){display:none;}
}

/* roulang page: category4 */
:root{
  --ink-900:#0D1A2B;
  --ink-700:#29405C;
  --ink-500:#5B7089;
  --ink-400:#8A9BB1;
  --line:#DDE6F1;
  --bg:#F4F8FD;
  --bg-alt:#EAF1FB;
  --surface:#FFFFFF;
  --primary:#1F5FD6;
  --primary-600:#1A4FB4;
  --primary-50:#E8F0FF;
  --accent:#FF6A3D;
  --accent-600:#E85526;
  --mint:#0FB39B;
  --amber:#F5A524;

  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:26px;
  --r-full:999px;

  --sh1:0 1px 2px rgba(16,38,72,.06);
  --sh2:0 4px 16px rgba(16,38,72,.07);
  --sh3:0 12px 32px rgba(16,38,72,.10);
  --sh4:0 24px 56px rgba(16,38,72,.14);

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;

  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  padding-bottom:0;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),border-color var(--ease)}
a:hover{color:var(--primary-600)}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:3px solid rgba(31,95,214,.35);outline-offset:2px;border-radius:6px}

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

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--bg-alt);font-size:13px;color:var(--ink-500)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px}
.topbar span{display:inline-flex;align-items:center;gap:8px}
.topbar a{font-size:13px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh2);background:rgba(255,255,255,.86)}
.header-inner{
  position:relative;
  display:flex;align-items:center;gap:20px;
  min-height:72px;
  transition:min-height var(--ease);
}
.site-header.is-stuck .header-inner{min-height:60px}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;max-width:220px}
.logo-mark{
  position:relative;width:32px;height:32px;border-radius:10px;background:var(--primary);flex:0 0 32px;
  box-shadow:0 4px 12px rgba(31,95,214,.28);
}
.logo-mark::before{content:"";position:absolute;left:8px;top:8px;width:8px;height:8px;border-radius:2px;background:#fff}
.logo-mark::after{content:"";position:absolute;right:8px;bottom:8px;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:0}
.logo-text small{font-size:13px;color:var(--ink-500);font-weight:400}

.search-form{
  display:flex;align-items:center;gap:8px;width:100%;max-width:620px;
  height:46px;padding:0 6px 0 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-full);
  box-shadow:var(--sh1);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,95,214,.12)}
.search-form svg{stroke:var(--ink-400);fill:none;stroke-width:1.8;stroke-linecap:round;flex:0 0 auto}
.search-form input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink-700);
}
.search-form input::placeholder{color:var(--ink-400);font-size:14px}
.search-form button{
  flex:0 0 auto;height:36px;padding:0 20px;border:0;border-radius:var(--r-full);
  background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background var(--ease),transform var(--ease);
}
.search-form button:hover{background:var(--primary-600);transform:translateY(-1px)}
.search-form button:active{transform:translateY(0)}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.search-toggle{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);cursor:pointer;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-toggle:hover{border-color:rgba(31,95,214,.35);box-shadow:var(--sh1)}

/* 分类胶囊行 */
.cat-row{border-top:1px solid var(--line);background:rgba(255,255,255,.6)}
.cat-row-inner{display:flex;align-items:center;gap:10px;padding-top:12px;padding-bottom:12px;overflow-x:auto;scrollbar-width:none}
.cat-row-inner::-webkit-scrollbar{display:none}
.cat-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:var(--r-full);background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--ink-700);white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.cat-pill:hover{background:var(--primary-50);color:var(--primary);border-color:rgba(31,95,214,.25)}
.cat-pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}

/* 锚点行 */
.anchor-row{display:flex;align-items:center;gap:24px;padding-top:10px;padding-bottom:10px;overflow-x:auto;scrollbar-width:none}
.anchor-row::-webkit-scrollbar{display:none}
.anchor-link{
  position:relative;flex:0 0 auto;font-size:14px;color:var(--ink-500);padding-bottom:4px;
  transition:color var(--ease);
}
.anchor-link:hover{color:var(--primary)}
.anchor-link.is-active{color:var(--primary);font-weight:600}
.anchor-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--primary);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary,.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,61,.28)}
.btn-primary:hover,.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh3)}
.btn-ghost{background:var(--surface);color:var(--primary);border-color:var(--primary);box-shadow:var(--sh1)}
.btn-ghost:hover{background:var(--primary-50);transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-line{background:var(--surface);color:var(--ink-700);border-color:var(--line)}
.btn-line:hover{background:var(--bg-alt);transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-lg{height:48px;padding:0 28px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.link-arrow span{transition:transform var(--ease)}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-full);
  font-size:13px;line-height:1;white-space:nowrap;
}
.badge-primary{background:var(--primary-50);color:var(--primary)}
.badge-accent{background:rgba(255,106,61,.10);color:var(--accent-600)}
.badge-mint{background:rgba(15,179,155,.10);color:var(--mint)}
.badge-line{background:var(--surface);border:1px solid var(--line);color:var(--ink-500)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex:0 0 6px}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding-top:24px;font-size:13px;color:var(--ink-400);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-400)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--ink-500)}

/* ---------- Hero ---------- */
.page-hero{padding:40px 0 56px;position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:-20% -10% auto -10%;height:420px;
  background:radial-gradient(closest-side,rgba(31,95,214,.07),rgba(31,95,214,0));
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-badge{margin-bottom:18px}
.page-hero h1{
  font-size:clamp(28px,3.6vw,40px);
  font-weight:800;line-height:1.25;letter-spacing:-.02em;margin-bottom:16px;
}
.hero-lead{font-size:16px;color:var(--ink-500);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px;color:var(--ink-500)}
.hero-points span{display:inline-flex;align-items:center;gap:7px}
.hero-points svg{stroke:var(--mint);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);
  border:1px solid var(--line);box-shadow:var(--sh4);
}
.hero-float{
  position:absolute;right:-6px;top:-14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-full);
  padding:8px 16px;box-shadow:var(--sh3);font-size:13px;color:var(--ink-500);
  display:inline-flex;align-items:center;gap:8px;
}
.hero-float b{color:var(--mint);font-size:16px;font-weight:800}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35}
.section-head p{font-size:14px;color:var(--ink-500);margin-top:8px;max-width:640px}
.section-head .head-side{flex:0 0 auto}

/* ---------- 说明卡 ---------- */
.note-card{
  display:grid;grid-template-columns:1.4fr .9fr;gap:32px;align-items:center;
  background:var(--primary-50);border-radius:var(--r-xl);padding:32px;
  border:1px solid rgba(31,95,214,.10);
}
.note-card h2{font-size:22px;font-weight:700;margin-bottom:12px}
.note-card p{font-size:15px;color:var(--ink-500)}
.note-card ul{margin-top:18px;display:grid;gap:8px}
.note-card li{display:flex;gap:10px;font-size:14px;color:var(--ink-700)}
.note-card li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--mint);
}
.note-card img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh2)}

/* ---------- 列表 + 侧栏布局 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.list-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.list-head h2{font-size:20px;font-weight:700}
.list-head .count{font-size:13px;color:var(--ink-400)}

.compact-list{display:block}
.compact-item{
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background var(--ease),padding var(--ease);
}
.compact-item:hover{background:var(--bg-alt);padding-left:14px;padding-right:14px;border-radius:var(--r-md)}
.ci-main{min-width:0}
.ci-main h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px}
.ci-main h3 a{color:var(--ink-700)}
.ci-main h3 a:hover{color:var(--primary)}
.ci-main p{font-size:14px;color:var(--ink-500);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:520px}
.ci-meta{flex:0 0 auto;display:flex;align-items:center;gap:12px;padding-top:2px}
.ci-meta time{font-size:13px;color:var(--ink-400);white-space:nowrap}

/* 侧栏 */
.sidebar{position:sticky;top:96px;display:grid;gap:24px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh1)}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--primary)}
.hot-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list .no{
  flex:0 0 22px;height:22px;border-radius:6px;background:var(--bg-alt);color:var(--ink-500);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.hot-list li:nth-child(-n+3) .no{background:var(--primary-50);color:var(--primary)}
.hot-list a{font-size:14px;color:var(--ink-700);line-height:1.6}
.hot-list a:hover{color:var(--primary)}

.mini-faq{display:grid;gap:10px}
.mini-item{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--surface)}
.mini-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:14px;font-weight:600;color:var(--ink-700);
}
.mini-q:hover{color:var(--primary)}
.mini-q i{
  flex:0 0 22px;height:22px;border-radius:50%;background:var(--primary-50);color:var(--primary);
  font-style:normal;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.mini-a{max-height:0;overflow:hidden;transition:max-height var(--ease),opacity var(--ease);opacity:0}
.mini-a p{padding:0 14px 14px;font-size:13.5px;color:var(--ink-500);line-height:1.75}
.mini-item.is-open .mini-a{max-height:220px;opacity:1}
.side-cta{background:var(--primary-50);border:1px solid rgba(31,95,214,.12);text-align:center}
.side-cta p{font-size:14px;color:var(--ink-500);margin-bottom:16px}
.side-cta .btn{width:100%}

/* ---------- 分页 ---------- */
.pagination{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:32px;flex-wrap:wrap}
.page-link{font-size:14px;color:var(--ink-500);padding:0 8px}
.page-link:hover{color:var(--primary)}
.page-link.is-disabled{color:var(--ink-400);pointer-events:none;opacity:.6}
.page-num{
  width:36px;height:36px;display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);
  font-size:14px;color:var(--ink-700);transition:all var(--ease);
}
.page-num:hover{border-color:rgba(31,95,214,.35);color:var(--primary)}
.page-num.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}

/* ---------- 处理流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(31,95,214,.35)}
.step .idx{
  width:44px;height:44px;border-radius:var(--r-md);background:var(--primary-50);color:var(--primary);
  font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-500)}

/* ---------- 保障区 ---------- */
.assure{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.assure h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:14px}
.assure .desc{font-size:15px;color:var(--ink-500);margin-bottom:22px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.assure-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.assure-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.assure-card:hover{border-color:rgba(31,95,214,.35);box-shadow:var(--sh2)}
.assure-card svg{stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
.assure-card h4{font-size:16px;font-weight:600;margin-bottom:6px}
.assure-card p{font-size:13.5px;color:var(--ink-500)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--primary-50) 0%,#FFFFFF 100%);
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:56px;text-align:center;box-shadow:var(--sh1);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:12px}
.cta-band p{font-size:15px;color:var(--ink-500);max-width:680px;margin:0 auto 26px}
.cta-band .cta-actions{display:flex;justify-content:center;align-items:center;gap:18px;flex-wrap:wrap}

/* ---------- 浮动 CTA / 返回顶部 ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;border-radius:var(--r-full);
  padding:0 22px;height:48px;font-size:15px;font-weight:600;
  box-shadow:var(--sh3);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),background var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px)}
.float-cta .fc-text{display:none}
.to-top{
  position:fixed;right:28px;bottom:88px;z-index:70;
  width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh2);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),border-color var(--ease);
}
.to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.to-top:hover{border-color:rgba(31,95,214,.35)}
.to-top svg{stroke:var(--primary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:var(--surface);border-top:1px solid var(--line);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--ink-500);max-width:380px}
.footer-contact{margin-top:16px;display:grid;gap:6px;font-size:13px;color:var(--ink-400)}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--ink-500);border-bottom:1px solid transparent}
.footer-col a:hover{color:var(--primary);border-bottom-color:var(--primary)}
.qr-box{
  width:96px;height:96px;border:1px dashed var(--line);border-radius:12px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:var(--ink-400);padding:8px;line-height:1.5;
}
.footer-bottom{
  margin-top:48px;padding:20px 0 28px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-400);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-inner{gap:36px}
  .ci-main p{max-width:420px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-media{order:2}
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;grid-template-columns:1fr 1fr}
  .assure{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .ci-main p{max-width:none;white-space:normal}
  .note-card{grid-template-columns:1fr;gap:24px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .topbar .container span:last-child{display:none}
  .header-inner{min-height:60px;gap:12px}
  .header-search-wrap{display:none !important}
  body.search-open .header-search-wrap{
    display:flex !important;position:absolute;left:0;right:0;top:100%;
    padding:12px 18px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--sh2);
  }
  body.search-open .search-form{max-width:none}
  .search-toggle{display:flex}
  .header-actions .btn{display:none}
  .logo{max-width:none}
  .page-hero{padding:28px 0 40px}
  .hero-media img{aspect-ratio:16/11}
  .hero-float{right:8px;top:-10px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .compact-item{flex-direction:column;gap:10px;padding:16px 4px}
  .compact-item:hover{padding-left:10px;padding-right:10px}
  .ci-meta{width:100%;justify-content:space-between}
  .sidebar{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:16px}
  .assure-grid{grid-template-columns:1fr;gap:16px}
  .cta-band{padding:32px 20px}
  .cta-band .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{display:none}
  .float-cta{
    right:0;left:0;bottom:0;height:56px;border-radius:0;padding:0 18px;
    justify-content:space-between;gap:12px;
    padding-bottom:env(safe-area-inset-bottom);
    background:var(--surface);color:var(--ink-500);box-shadow:0 -6px 20px rgba(16,38,72,.10);
    border-top:1px solid var(--line);
  }
  .float-cta.is-visible{transform:translateY(0)}
  .float-cta .fc-text{display:block;font-size:14px;font-weight:400}
  .float-cta .fc-btn{
    display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;
    background:var(--accent);color:#fff;border-radius:var(--r-md);font-size:14px;font-weight:600;
  }
  .float-cta:hover{background:var(--surface);color:var(--ink-500);transform:none}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
}
@media (max-width:480px){
  .logo-text b{font-size:16px}
  .logo-text small{font-size:12px}
  .hero-actions .btn{width:100%}
  .pagination .page-num:nth-child(n+4){display:none}
}