/* roulang page: index */
:root{
  --primary:#1A5CA8;
  --primary-dark:#134785;
  --primary-light:#E8F0FB;
  --accent:#0FA08C;
  --accent-light:#E4F5F2;
  --warm:#E08A2B;
  --warm-dark:#B86A16;
  --warm-light:#FDF2E2;
  --bg:#F4F7FB;
  --bg-alt:#F7FAFD;
  --card:#FFFFFF;
  --line:#E4EAF3;
  --text:#1B2733;
  --text-2:#5A6B80;
  --text-3:#9AAABB;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,32,58,.05);
  --sh-2:0 8px 24px rgba(16,32,58,.07);
  --sh-3:0 14px 34px rgba(16,32,58,.11);
  --nav-h:76px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.3;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:var(--primary-light);color:var(--primary-dark);}

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

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  height:var(--nav-h);
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(26,92,168,.10);
  box-shadow:0 6px 20px rgba(16,32,58,.06);
  transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  height:64px;
  background:#FFFFFF;
  box-shadow:0 8px 24px rgba(16,32,58,.09);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:100%;
  display:flex;align-items:center;gap:28px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--text);flex:0 0 auto;
  transition:transform .25s var(--ease);
}
.site-header.is-scrolled .brand{transform:scale(.92);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);
  display:grid;place-items:center;color:#fff;font-size:14px;flex:0 0 34px;
  box-shadow:0 3px 8px rgba(26,92,168,.24);
}
.brand-mark i{transform:rotate(-15deg);}
.brand-text b{color:var(--primary);}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:14px;font-weight:600;color:var(--text);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:center;
  transition:transform .26s var(--ease);
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{position:relative;width:220px;transition:width .28s var(--ease);}
.nav-search:focus-within{width:300px;}
.nav-search i{
  position:absolute;left:15px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:13px;pointer-events:none;
}
.nav-search input{
  width:100%;height:40px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.85);
  padding:0 16px 0 38px;font-size:14px;color:var(--text);outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,92,168,.12);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;font-size:15px;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.mobile-panel{
  display:none;position:fixed;top:64px;left:0;right:0;z-index:1039;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 12px 30px rgba(16,32,58,.10);
  padding:14px 20px 22px;max-height:calc(100vh - 64px);overflow-y:auto;
}
.mobile-panel.open{display:block;}
.mobile-panel .mp-group-title{
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--text-3);
  text-transform:uppercase;margin:14px 0 6px;
}
.mobile-panel .mp-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;font-size:15px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel .mp-link.active{color:var(--primary);}
.mobile-panel .mp-link i{color:var(--text-3);font-size:12px;}
.mobile-panel .mp-search{position:relative;margin:6px 0 4px;}
.mobile-panel .mp-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:13px;}
.mobile-panel .mp-search input{
  width:100%;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg-alt);padding:0 14px 0 38px;font-size:14px;outline:none;
}
.mobile-panel .mp-cta{margin-top:18px;display:block;width:100%;}

/* ---------- Buttons ---------- */
.btn-main,.btn-warm,.btn-line,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.btn-main{background:var(--primary);color:#fff;}
.btn-main:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(26,92,168,.24);}
.btn-warm{background:var(--warm);color:#fff;}
.btn-warm:hover{background:var(--warm-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(224,138,43,.26);}
.btn-line{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-line:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary-dark);}
.btn-text{
  height:auto;padding:0;background:none;border:none;color:var(--primary);font-size:14px;
}
.btn-text:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:4px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.link-more:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:4px;}
.link-more i{font-size:11px;transition:transform .24s var(--ease);}
.link-more:hover i{transform:translateX(3px);}

/* ---------- Badges / Tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 11px;
  border-radius:999px;font-size:13px;font-weight:600;line-height:1;
}
.tag-primary{background:var(--primary-light);color:var(--primary-dark);}
.tag-accent{background:var(--accent-light);color:#0A7D6F;}
.tag-warm{background:var(--warm-light);color:var(--warm-dark);}
.tag-grey{background:#EEF2F7;color:var(--text-2);}

/* ---------- Section frame ---------- */
.section{padding:88px 0;}
.section-white{background:#FFFFFF;}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:40px;max-width:720px;}
.section-head.row-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  max-width:none;
}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);margin-bottom:12px;
}
.section-eyebrow::before{
  content:"";width:3px;height:14px;border-radius:2px;
  background:var(--primary);box-shadow:6px 0 0 -1px rgba(26,92,168,.35);
}
.section-title{font-size:30px;line-height:1.3;margin-bottom:12px;}
.section-desc{font-size:16px;color:var(--text-2);line-height:1.75;max-width:720px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding-top:calc(var(--nav-h) + 72px);
  padding-bottom:92px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#FFFFFF 0%,rgba(255,255,255,.95) 40%,rgba(255,255,255,.62) 70%,rgba(255,255,255,.32) 100%);
}
.hero::after{
  content:"";position:absolute;right:-20px;bottom:-20px;width:440px;height:300px;
  background-image:radial-gradient(rgba(26,92,168,.8) 1px,transparent 1px);
  background-size:16px 16px;opacity:.06;pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.85);border:1px solid rgba(26,92,168,.18);
  color:var(--primary-dark);font-size:13px;font-weight:600;margin-bottom:22px;
  backdrop-filter:blur(8px);
}
.hero-title{font-size:40px;line-height:1.25;letter-spacing:-.01em;margin-bottom:18px;}
.hero-sub{font-size:17px;line-height:1.75;color:var(--text-2);max-width:560px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;}
.stat b{display:block;font-size:26px;font-weight:700;color:var(--primary);line-height:1.2;font-family:Inter,system-ui,sans-serif;}
.stat span{font-size:14px;color:var(--text-2);}
.hero-panel{
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.9);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:28px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.panel-title{font-size:18px;font-weight:700;}
.panel-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;}
.panel-list li{display:flex;gap:10px;font-size:14px;line-height:1.6;color:var(--text-2);}
.panel-list li i{color:var(--accent);font-size:13px;margin-top:5px;flex:0 0 14px;}
.panel-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:18px;border-top:1px solid rgba(26,92,168,.14);
}
.panel-price{font-size:26px;font-weight:700;color:var(--warm-dark);font-family:Inter,system-ui,sans-serif;}
.panel-unit{font-size:13px;color:var(--text-2);margin-left:4px;}

/* ---------- Category entries ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.cat-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,92,168,.22);}
.cat-icon{
  width:46px;height:46px;border-radius:12px;background:var(--primary-light);
  color:var(--primary);display:grid;place-items:center;font-size:18px;margin-bottom:18px;
}
.cat-card:nth-child(2) .cat-icon{background:var(--accent-light);color:#0A7D6F;}
.cat-card:nth-child(3) .cat-icon{background:var(--warm-light);color:var(--warm-dark);}
.cat-card h3{font-size:20px;margin-bottom:12px;}
.cat-card p{font-size:15px;color:var(--text-2);line-height:1.7;margin-bottom:18px;}
.cat-points{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
.cat-card .link-more{margin-top:auto;}

/* ---------- Compare table ---------- */
.compare-shell{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:#fff;box-shadow:var(--sh-2);overflow:hidden;
}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{
  width:100%;min-width:760px;border-collapse:separate;border-spacing:0;
}
table.compare caption{
  caption-side:top;text-align:left;padding:22px 28px 6px;
  font-size:14px;color:var(--text-2);
}
table.compare thead th{
  position:sticky;top:0;z-index:2;
  background:#fff;border-bottom:1px solid var(--line);
  padding:16px 18px;font-size:14px;font-weight:600;color:var(--text-2);
  text-align:center;white-space:nowrap;
}
table.compare thead th:first-child{text-align:left;padding-left:28px;}
table.compare thead th .th-name{display:block;font-size:16px;font-weight:700;color:var(--text);margin-bottom:2px;}
table.compare thead th .th-price{font-size:13px;color:var(--text-2);font-weight:500;}
table.compare th.col-rec,
table.compare td.col-rec{background:#FFFBF5;}
table.compare thead th.col-rec{position:relative;}
table.compare thead th.col-rec .rec-flag{
  position:absolute;top:-1px;left:50%;transform:translateX(-50%);
  background:var(--warm);color:#fff;font-size:12px;line-height:1;
  padding:4px 12px;border-radius:0 0 8px 8px;font-weight:600;
}
table.compare tbody td{
  padding:15px 18px;font-size:14px;color:var(--text-2);
  border-bottom:1px solid var(--line);text-align:center;
}
table.compare tbody td:first-child{
  text-align:left;padding-left:28px;color:var(--text);font-weight:500;
  white-space:nowrap;
}
table.compare tbody td:first-child i{color:var(--text-3);margin-right:8px;font-size:13px;}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare tbody tr:hover td{background:#F9FBFE;}
table.compare tbody tr:hover td.col-rec{background:#FFF6EA;}
.ck{color:var(--accent);font-size:15px;}
.ck-no{color:var(--text-3);font-size:15px;}
.val-warm{color:var(--warm-dark);font-weight:600;}

/* ---------- Tier band ---------- */
.tier-band{display:flex;gap:24px;align-items:stretch;}
.tier-card{
  position:relative;overflow:hidden;flex:1;
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--sh-1);margin-top:24px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.tier-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:#B7C4D4;}
.tier-card.t-standard::before{background:var(--accent);}
.tier-card.featured{flex:1.55;margin-top:0;border-color:rgba(224,138,43,.34);box-shadow:var(--sh-3);}
.tier-card.featured::before{background:var(--warm);}
.tier-name{font-size:17px;font-weight:700;margin-bottom:6px;}
.tier-price{font-family:Inter,system-ui,sans-serif;font-size:34px;font-weight:700;color:var(--primary);line-height:1.1;margin-bottom:4px;}
.tier-card.featured .tier-price{font-size:40px;color:var(--warm-dark);}
.tier-price small{font-size:14px;font-weight:500;color:var(--text-2);margin-left:4px;}
.tier-note{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.tier-points{display:flex;flex-direction:column;gap:11px;margin-bottom:24px;}
.tier-points li{display:flex;gap:9px;font-size:14px;line-height:1.6;color:var(--text-2);}
.tier-points li i{color:var(--accent);font-size:12px;margin-top:6px;flex:0 0 12px;}
.tier-card .btn-main,.tier-card .btn-warm,.tier-card .btn-line{margin-top:auto;width:100%;}

/* ---------- Preview rows ---------- */
.preview-list{display:flex;flex-direction:column;gap:32px;}
.preview-row{
  display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);
  gap:32px;align-items:center;
}
.preview-row.alt{grid-template-columns:minmax(0,1fr) minmax(0,340px);}
.preview-row.alt .preview-media{order:2;}
.preview-row.alt .preview-copy{order:1;}
.preview-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:4/3;background:var(--bg-alt);border:1px solid var(--line);
}
.preview-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.preview-row:hover .preview-media img{transform:scale(1.03);}
.preview-lock{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:8px;
  background:rgba(244,247,251,.74);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  color:var(--primary);font-size:13px;font-weight:600;
}
.preview-lock i{font-size:20px;}
.preview-copy h3{font-size:22px;margin:12px 0 10px;}
.preview-copy p{font-size:15px;color:var(--text-2);line-height:1.75;margin-bottom:14px;}
.preview-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-3);}

/* ---------- News (CMS) ---------- */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start;}
.news-main{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-2);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.news-main-img{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.news-main-img img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.news-main:hover .news-main-img img{transform:scale(1.03);}
.news-main-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-main-body h3{font-size:21px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-main-body p{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-3);margin-top:auto;padding-top:6px;}
.news-side{display:flex;flex-direction:column;gap:16px;}
.news-row{
  display:flex;gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:12px;transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.news-row:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,92,168,.2);}
.news-thumb{flex:0 0 96px;width:96px;height:72px;border-radius:10px;overflow:hidden;background:var(--bg-alt);}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-info{min-width:0;display:flex;flex-direction:column;gap:6px;}
.news-info h4{
  font-size:15px;font-weight:600;line-height:1.45;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-info .news-meta{padding-top:0;gap:10px;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:64px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state i{font-size:28px;color:var(--text-3);}
.empty-state p{font-size:15px;color:var(--text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-card);padding:0 22px;box-shadow:var(--sh-1);
  transition:box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item[open]{border-left-color:var(--warm);box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--text);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--text-3);font-size:14px;flex:0 0 auto;
  transition:transform .26s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--warm-dark);}
.faq-body{padding:0 0 20px;font-size:15px;line-height:1.75;color:var(--text-2);}

/* ---------- Join / CTA ---------- */
.join-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start;}
.join-price{font-family:Inter,system-ui,sans-serif;font-size:44px;font-weight:700;color:var(--primary);line-height:1.1;}
.join-price small{font-size:15px;font-weight:500;color:var(--text-2);margin-left:6px;}
.join-list{display:flex;flex-direction:column;gap:12px;margin:24px 0 0;}
.join-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.65;}
.join-list li i{color:var(--accent);font-size:13px;margin-top:5px;flex:0 0 14px;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:28px;
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-hint{font-size:14px;color:var(--text-2);margin-bottom:22px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.form-control,.form-select{
  height:48px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;font-size:15px;color:var(--text);padding:0 14px;width:100%;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus,.form-select:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,92,168,.12);outline:none;
}
.form-card .btn-warm{width:100%;margin-top:8px;}
.promise-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:40px;
}
.promise-item{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 18px;font-size:14px;color:var(--text-2);box-shadow:var(--sh-1);
}
.promise-item i{color:var(--accent);font-size:15px;}

/* ---------- Footer ---------- */
.site-footer{background:#132A42;color:#B9C9DA;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-brand b{color:#8FC0F0;}
.footer-desc{font-size:14px;line-height:1.75;color:#93A8BE;max-width:280px;margin-bottom:18px;}
.footer-contact{font-size:14px;color:#93A8BE;line-height:1.9;}
.footer-contact b{color:#DCE7F3;font-weight:600;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a,.footer-links span{font-size:14px;color:#93A8BE;}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#7E93A9;
}
.footer-bottom a{color:#7E93A9;}
.footer-bottom a:hover{color:#DCE7F3;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .nav-links{gap:20px;}
  .nav-search{width:180px;}
  .nav-search:focus-within{width:240px;}
}
@media (max-width:991.98px){
  :root{--nav-h:64px;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .btn-warm{display:none;}
  .hero{padding-top:calc(var(--nav-h) + 48px);padding-bottom:64px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:16px;}
  .section{padding:64px 0;}
  .section-title{font-size:24px;}
  .cat-grid{grid-template-columns:1fr;}
  .tier-band{flex-direction:column;}
  .tier-card{margin-top:0;}
  .news-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .join-grid{grid-template-columns:1fr;gap:32px;}
  .promise-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .preview-row,.preview-row.alt{grid-template-columns:1fr;}
  .preview-row.alt .preview-media,.preview-row.alt .preview-copy{order:0;}
  .preview-media{aspect-ratio:16/10;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .nav-inner{padding:0 16px;}
  .hero{padding-top:calc(var(--nav-h) + 36px);padding-bottom:52px;}
  .hero-title{font-size:26px;}
  .hero-stats{gap:22px;}
  .stat b{font-size:22px;}
  .section{padding:48px 0;}
  .section-title{font-size:22px;}
  .cta-row,.hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn-main,.hero-cta .btn-warm,.hero-cta .btn-line{width:100%;}
  .news-row{flex-direction:row;}
  .news-thumb{flex:0 0 80px;width:80px;height:62px;}
  .promise-bar{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .form-card{padding:22px;}
  .hero-panel{padding:22px;}
  .preview-copy h3{font-size:19px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .cat-card:hover,.news-row:hover,.news-main:hover,.tier-card:hover{transform:none;}
}

/* roulang page: article */
:root{
  --brand:#1A5CA8;
  --brand-deep:#134785;
  --brand-soft:#E8F0FB;
  --accent:#0FA08C;
  --accent-soft:#E4F5F2;
  --warm:#E08A2B;
  --warm-deep:#B86A16;
  --warm-soft:#FBF0E0;
  --page:#F4F7FB;
  --surface:#FFFFFF;
  --surface-alt:#F7FAFD;
  --line:#E4EAF3;
  --ink:#1B2733;
  --ink-2:#5A6B80;
  --ink-3:#9AAABB;
  --r-card:14px;
  --r-wrap:18px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,32,58,.05);
  --sh-2:0 8px 24px rgba(16,32,58,.07);
  --sh-3:0 14px 34px rgba(16,32,58,.11);
  --ease:.28s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--page);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 16px;padding-left:22px;}
button{font-family:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-warm{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--warm);color:#fff;font-size:14px;font-weight:600;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease);}
.btn-warm:hover{background:var(--warm-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;}
.btn-text:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:4px;}
.badge-pill{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--brand-soft);color:var(--brand-deep);}
.badge-pill.mint{background:var(--accent-soft);color:#0A7265;}
.badge-pill.amber{background:var(--warm-soft);color:var(--warm-deep);}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(26,92,168,.10);
  box-shadow:0 6px 20px rgba(16,32,58,.06);
  transition:background-color .25s ease,box-shadow .25s ease,height .25s ease;}
.site-header.is-scrolled{background:#fff;box-shadow:0 8px 24px rgba(16,32,58,.09);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;gap:26px;
  transition:height .25s ease;}
.site-header.is-scrolled .nav-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);color:#fff;font-size:15px;
  transition:transform .25s ease;}
.site-header.is-scrolled .brand-mark{transform:scale(.92);}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.02em;}
.brand-text b{color:var(--brand);font-weight:700;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-links a{position:relative;font-size:14px;font-weight:600;color:var(--ink);padding:6px 0;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.85);border:1px solid var(--line);width:220px;
  transition:width var(--ease),border-color var(--ease),box-shadow var(--ease);}
.nav-search i{color:var(--ink-3);font-size:13px;}
.nav-search input{border:0;outline:0;background:transparent;font-size:14px;color:var(--ink);width:100%;}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search:focus-within{width:300px;border-color:var(--brand);box-shadow:0 0 0 4px rgba(26,92,168,.10);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;align-items:center;justify-content:center;}

/* ---------- 栏头 ---------- */
.article-hero{position:relative;padding:150px 0 60px;
  background-image:linear-gradient(180deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.86) 55%,rgba(244,247,251,1) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;}
.article-hero::after{content:"";position:absolute;right:0;bottom:0;width:340px;height:200px;pointer-events:none;
  background-image:radial-gradient(rgba(26,92,168,.5) 1px,transparent 1px);
  background-size:14px 14px;opacity:.06;}
.crumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:18px;}
.crumb-line a{color:var(--ink-2);}
.crumb-line a:hover{color:var(--brand);}
.crumb-line .sep{color:var(--line);}
.crumb-line .now{color:var(--brand);font-weight:600;}
.hero-cat{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;height:26px;padding:0 14px;margin-bottom:16px;}
.article-hero h1{font-size:38px;line-height:1.3;max-width:880px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:22px;padding-top:18px;
  border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-2);}
.meta-bar .item{display:inline-flex;align-items:center;gap:7px;}
.meta-bar .item i{color:var(--brand);font-size:13px;}

/* ---------- 正文 ---------- */
.article-main{padding:8px 0 88px;}
.post-cover{max-width:880px;margin:0 auto 34px;border-radius:var(--r-wrap);overflow:hidden;
  aspect-ratio:21/9;box-shadow:var(--sh-2);background:var(--surface-alt);}
.post-cover img{width:100%;height:100%;object-fit:cover;}
.article-card{max-width:880px;margin:0 auto;background:var(--surface);border-radius:var(--r-wrap);
  box-shadow:var(--sh-2);padding:48px;border:1px solid rgba(228,234,243,.7);}
.prose{max-width:780px;margin:0 auto;font-size:16px;color:var(--ink);}
.prose > *:last-child{margin-bottom:0;}
.prose p{margin:0 0 16px;line-height:1.78;}
.prose > p:first-of-type{font-size:17px;color:#243447;}
.prose h2{font-size:24px;margin:48px 0 16px;padding-left:14px;border-left:4px solid var(--brand);}
.prose h3{font-size:19px;margin:32px 0 12px;color:var(--brand-deep);}
.prose h4{font-size:17px;margin:24px 0 10px;}
.prose ul,.prose ol{margin:0 0 18px;padding-left:24px;}
.prose li{margin-bottom:8px;line-height:1.75;}
.prose ul li::marker{color:var(--brand);}
.prose ol li::marker{color:var(--brand);font-weight:600;}
.prose img{border-radius:12px;margin:22px auto;box-shadow:var(--sh-1);}
.prose blockquote{margin:24px 0;padding:16px 20px;background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;color:#22334a;font-size:15.5px;}
.prose blockquote p:last-child{margin-bottom:0;}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:22px 0;min-width:520px;}
.prose .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:22px 0;}
.prose .table-scroll table{margin:0;}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.prose th{background:var(--surface-alt);font-weight:600;color:var(--brand-deep);}
.prose code{background:#F1F4F9;border-radius:6px;padding:2px 6px;font-size:14px;color:#2A3B52;}
.prose pre{background:#F1F4F9;border-radius:10px;padding:16px 18px;overflow-x:auto;font-size:14px;}
.prose a{text-decoration:underline;text-underline-offset:3px;}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.inline-cta{max-width:880px;margin:26px auto 0;background:var(--brand-soft);border:1px solid rgba(26,92,168,.16);
  border-radius:var(--r-card);padding:18px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.inline-cta .ic{width:36px;height:36px;border-radius:10px;background:#fff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 auto;}
.inline-cta p{margin:0;font-size:14.5px;color:#22334a;flex:1 1 320px;}
.inline-cta .btn-text{white-space:nowrap;}

.empty-state{text-align:center;padding:56px 20px;}
.empty-state .ico{width:62px;height:62px;border-radius:50%;background:var(--surface-alt);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 18px;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:14.5px;margin-bottom:20px;}

/* ---------- 上一篇 / 下一篇 ---------- */
.post-nav{max-width:880px;margin:36px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.post-nav a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 22px;color:var(--ink);box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(26,92,168,.28);color:var(--ink);}
.post-nav .dir{font-size:12.5px;color:var(--ink-2);display:flex;align-items:center;gap:6px;margin-bottom:8px;}
.post-nav .ttl{font-size:15.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-nav .to-right{text-align:right;}
.post-nav .to-right .dir{justify-content:flex-end;}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 90px;}
.related .head{max-width:880px;margin:0 auto 26px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;}
.related .head h2{font-size:24px;position:relative;padding-left:14px;}
.related .head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--brand);}
.rel-grid{max-width:880px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.rel-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;color:var(--ink);box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);color:var(--ink);}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-alt);}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.rel-card:hover .thumb img{transform:scale(1.03);}
.rel-card .body{padding:16px 18px 20px;}
.rel-card h3{font-size:15.5px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .date{font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:6px;}
.rel-fallback{max-width:880px;margin:0 auto;text-align:center;}
.rel-fallback p{color:var(--ink-2);font-size:14.5px;margin-bottom:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1E33;color:#C6D2E2;padding:64px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand-mark{background: linear-gradient(135deg,#2C7BD0 0%, var(--brand) 100%);}
.footer-brand b{color:#7FB6EE;}
.footer-desc{font-size:14px;line-height:1.7;color:#9CB0C7;margin-bottom:18px;max-width:320px;}
.footer-contact div{font-size:13.5px;color:#9CB0C7;line-height:1.9;}
.footer-contact b{color:#D6E2F0;font-weight:600;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-links span{font-size:14px;color:#9CB0C7;transition:color var(--ease);}
.footer-links a:hover{color:#7FB6EE;}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.10);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8298B2;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-hero h1{font-size:34px;}
}
@media (max-width:991px){
  .container{padding:0 20px;}
  .nav-inner{padding:0 20px;gap:16px;}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-2);padding:8px 20px 20px;
    display:none;}
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;}
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--brand);}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .nav-right .btn-warm{height:40px;padding:0 16px;font-size:13.5px;}
  .article-hero{padding:126px 0 44px;}
  .article-hero h1{font-size:28px;}
  .article-card{padding:32px 26px;}
  .post-nav{grid-template-columns:1fr;margin-top:28px;}
  .rel-grid{grid-template-columns:1fr;}
  .rel-card{display:flex;align-items:center;gap:0;}
  .rel-card .thumb{width:132px;flex:0 0 132px;aspect-ratio:4/3;}
  .related .head{flex-direction:column;align-items:flex-start;gap:10px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .article-hero{padding:118px 0 38px;}
  .article-hero h1{font-size:24px;}
  .meta-bar{gap:14px;font-size:13px;}
  .post-cover{aspect-ratio:16/9;border-radius:var(--r-card);margin-bottom:22px;}
  .article-card{padding:26px 20px;border-radius:var(--r-card);}
  .prose h2{font-size:21px;margin-top:36px;}
  .prose h3{font-size:17.5px;}
  .inline-cta{padding:16px 18px;}
  .related{padding-bottom:64px;}
  .related .head h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:17px;}
  .nav-right .btn-warm span{display:none;}
  .rel-card .thumb{width:104px;flex:0 0 104px;}
  .article-hero h1{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --primary:#1A5CA8;
  --primary-dark:#134785;
  --primary-light:#E8F0FB;
  --accent:#0FA08C;
  --accent-light:#E4F5F2;
  --warm:#E08A2B;
  --warm-dark:#B86A16;
  --warm-light:#FDF1E1;
  --bg:#F4F7FB;
  --bg-alt:#F7FAFD;
  --card:#FFFFFF;
  --line:#E4EAF3;
  --text:#1B2733;
  --text-2:#5A6B80;
  --text-3:#9AAABB;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,58,.05);
  --sh-2:0 8px 24px rgba(16,32,58,.07);
  --sh-3:0 14px 34px rgba(16,32,58,.11);
  --ease:.28s cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{
  font-size:30px;
  line-height:1.3;
  padding-left:16px;
  position:relative;
  margin-bottom:12px;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:7px;bottom:7px;
  width:4px;border-radius:2px;
  background:var(--primary);
}
.sec-head p{color:var(--text-2);font-size:16px;margin:0}
.sec-eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-light);
  border-radius:var(--r-pill);
  padding:3px 12px;
  margin-bottom:14px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(255,255,255,.62);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(26,92,168,.10);
  box-shadow:0 6px 20px rgba(16,32,58,.06);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 8px 24px rgba(16,32,58,.09);
}
.nav-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  height:76px;
  display:flex;
  align-items:center;
  gap:32px;
  transition:height var(--ease);
}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease);
}
.site-header.is-scrolled .brand-mark{transform:scale(.94)}
.brand-text{
  font-size:20px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.5px;
}
.brand-text b{color:var(--primary);font-weight:700}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  padding:6px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta-mobile{display:none}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;
  height:40px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  transition:width var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.nav-search i{color:var(--text-3);font-size:13px}
.nav-search input{
  flex:1;min-width:0;
  border:0;outline:0;background:transparent;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{
  width:300px;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(26,92,168,.12);
}
.btn-warm{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border:0;border-radius:var(--r-btn);
  background:var(--warm);
  color:#fff;font-size:15px;font-weight:600;
  white-space:nowrap;
  box-shadow:0 1px 2px rgba(16,32,58,.08);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-warm i{font-size:12px}
.btn-warm:hover{
  background:var(--warm-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-warm.btn-sm-nav{height:40px;padding:0 18px;font-size:14px}
.btn-primary-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border:0;border-radius:var(--r-btn);
  background:var(--primary);color:#fff;
  font-size:15px;font-weight:600;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary-c:hover{
  background:var(--primary-dark);color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border:1px solid var(--primary);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--primary);
  font-size:15px;font-weight:600;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),color var(--ease);
}
.btn-text:hover{border-color:var(--primary);color:var(--primary-dark)}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--text);
  align-items:center;justify-content:center;
  font-size:16px;
  cursor:pointer;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  margin-top:0;
  padding:calc(76px + 46px) 0 54px;
  min-height:260px;
  background-image:linear-gradient(105deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.86) 46%,rgba(255,255,255,.62) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero .crumbs{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);
  margin-bottom:16px;
}
.page-hero .crumbs i{font-size:9px;color:var(--text-3)}
.page-hero .crumbs .current{color:var(--primary);font-weight:600}
.page-hero h1{
  font-size:34px;
  line-height:1.3;
  margin-bottom:14px;
  max-width:820px;
}
.page-hero .hero-sub{
  font-size:16px;
  color:var(--text-2);
  max-width:640px;
  margin:0;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
}
.tag-primary{background:var(--primary-light);color:var(--primary-dark)}
.tag-accent{background:var(--accent-light);color:#0B7A6B}

/* ============ 步骤 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-weight:700;
  font-size:14px;
  margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);margin:0;line-height:1.7}

/* ============ 目录 + 侧栏 ============ */
.layout-row{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start}
.dir-group{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:8px 10px 14px;
  margin-bottom:24px;
  box-shadow:var(--sh-1);
}
.dir-group-head{
  display:flex;align-items:center;gap:12px;
  padding:18px 14px 14px;
  border-bottom:1px solid var(--line);
}
.dir-group-head h2{
  font-size:22px;
  line-height:1.4;
  padding-left:14px;
  position:relative;
}
.dir-group-head h2::before{
  content:"";
  position:absolute;left:0;top:5px;bottom:5px;
  width:4px;border-radius:2px;background:var(--primary);
}
.dir-group-head .group-count{
  margin-left:auto;
  font-size:13px;font-weight:600;
  color:var(--text-2);
  background:var(--bg);
  border-radius:var(--r-pill);
  padding:3px 12px;
}
.dir-row{
  display:flex;align-items:center;gap:18px;
  padding:15px 14px;
  border-radius:12px;
  border-bottom:1px solid #F0F4F9;
  transition:background var(--ease),transform var(--ease);
}
.dir-row:last-child{border-bottom:0}
.dir-row:hover{
  background:var(--primary-light);
  transform:translateX(2px);
}
.dir-main{min-width:0;flex:1}
.dir-title{
  display:block;
  font-size:16px;font-weight:600;color:var(--text);
  margin-bottom:2px;
}
.dir-desc{
  display:block;
  font-size:14px;color:var(--text-2);line-height:1.6;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
}
.dir-row:hover .dir-title{color:var(--primary-dark)}
.dir-go{
  flex-shrink:0;
  font-size:13px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;
}
.dir-go i{font-size:10px;transition:transform var(--ease)}
.dir-row:hover .dir-go i{transform:translateX(3px)}

.side-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:16px;font-weight:600;
  margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--primary);font-size:14px}
.anchor-list{display:flex;flex-direction:column}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 8px;
  border-radius:10px;
  font-size:14px;color:var(--text-2);font-weight:500;
  transition:background var(--ease),color var(--ease),padding-left var(--ease);
}
.anchor-list a span.dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--text-3);
  flex-shrink:0;
  transition:background var(--ease);
}
.anchor-list a:hover{background:var(--primary-light);color:var(--primary-dark);padding-left:12px}
.anchor-list a:hover span.dot{background:var(--primary)}
.plan-card{padding:0;overflow:hidden}
.plan-card .plan-cover{aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0;background:#EFF3F9}
.plan-card .plan-cover img{width:100%;height:100%;object-fit:cover}
.plan-card .plan-body{padding:20px 22px 22px}
.plan-card .plan-body h3{margin-bottom:8px}
.plan-card .plan-body p{font-size:14px;color:var(--text-2);line-height:1.7}
.plan-price{
  display:flex;align-items:baseline;gap:6px;
  margin:14px 0 6px;
}
.plan-price .num{font-size:34px;font-weight:700;color:var(--primary);line-height:1}
.plan-price .unit{font-size:13px;color:var(--text-2)}
.plan-list{display:flex;flex-direction:column;gap:8px;margin:14px 0 18px}
.plan-list li{
  display:flex;align-items:flex-start;gap:8px;
  font-size:14px;color:var(--text-2);
}
.plan-list li i{color:var(--accent);font-size:12px;margin-top:6px}
.plan-card .btn-warm{width:100%}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px}
.accordion{
  --bs-accordion-border-color:var(--line);
  --bs-accordion-border-radius:14px;
  --bs-accordion-inner-border-radius:12px;
  --bs-accordion-btn-focus-border-color:var(--primary);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-active-color:var(--text);
  --bs-accordion-active-bg:#fff;
  --bs-accordion-btn-color:var(--text);
}
.accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;
  font-weight:600;
  padding:18px 20px;
  background:#fff;
  color:var(--text);
}
.accordion-button:not(.collapsed){
  box-shadow:inset 3px 0 0 var(--warm);
  background:#fff;
  color:var(--primary-dark);
}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;
  filter:grayscale(1) opacity(.55);
}
.accordion-body{
  padding:4px 20px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.75;
}

/* ============ CTA ============ */
.cta-band{
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  background:var(--primary-light);
  border:1px solid #D6E4F7;
  border-radius:var(--r-lg);
  padding:36px 40px;
}
.cta-copy{flex:1;min-width:280px}
.cta-copy h2{
  font-size:24px;line-height:1.4;margin-bottom:10px;
  color:var(--primary-dark);
}
.cta-copy p{margin:0;font-size:15px;color:var(--text-2);max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-ghost{border-color:var(--primary);background:rgba(255,255,255,.6)}

/* ============ 页脚 ============ */
.site-footer{
  background:#0F1F33;
  color:#C6D2E2;
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:#fff;
  margin-bottom:16px;
}
.footer-brand b{color:#7FB2EA}
.footer-brand .brand-mark{background:var(--primary)}
.footer-desc{font-size:14px;line-height:1.75;color:#9FB0C6;margin-bottom:18px}
.footer-contact{font-size:14px;line-height:1.9;color:#9FB0C6}
.footer-contact b{color:#C6D2E2;font-weight:600}
.footer-col h4{
  font-size:15px;font-weight:600;color:#fff;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{
  font-size:14px;color:#9FB0C6;
  transition:color var(--ease),padding-left var(--ease);
}
.footer-links a:hover{color:#fff;padding-left:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#7C8DA5;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-links{gap:20px}
  .nav-search{width:180px}
  .nav-search:focus-within{width:240px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .nav-links{
    position:fixed;
    top:64px;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    padding:8px 20px 20px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);
    max-height:calc(100vh - 64px);
    overflow-y:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{
    padding:14px 4px;
    border-bottom:1px solid var(--line);
    font-size:15px;
  }
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--primary)}
  .nav-cta-mobile{
    display:flex;align-items:center;justify-content:center;
    margin-top:16px;
    height:46px;
    background:var(--warm);
    color:#fff;font-weight:600;
    border-radius:var(--r-btn);
    border-bottom:0;
  }
  .nav-cta-mobile:hover{background:var(--warm-dark);color:#fff}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-right .btn-warm{display:none}
  .nav-inner{height:64px}
  .site-header.is-scrolled .nav-inner{height:60px}
  .nav-links{top:64px}
  .page-hero{padding:calc(64px + 40px) 0 40px;min-height:240px}
  .page-hero h1{font-size:28px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .layout-row{grid-template-columns:1fr}
  .side-sticky{position:static;top:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:30px 26px}
}
@media (max-width:767.98px){
  .container{padding-left:20px;padding-right:20px}
  .section{padding:52px 0}
  .sec-head h2{font-size:24px}
  .page-hero h1{font-size:24px}
  .dir-row{flex-direction:column;align-items:flex-start;gap:8px}
  .dir-desc{-webkit-line-clamp:2}
  .cta-copy h2{font-size:20px}
  .cta-actions{width:100%}
  .cta-actions .btn-warm,.cta-actions .btn-ghost{flex:1;min-width:150px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:8px}
  .footer-col{border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:14px}
  .footer-col:last-child{border-bottom:0}
  .footer-bottom{flex-direction:column;gap:6px}
  .plan-price .num{font-size:30px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .step:hover,.dir-row:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#1A5CA8;
  --brand-dark:#134785;
  --brand-light:#E8F0FB;
  --teal:#0FA08C;
  --teal-light:#E4F5F2;
  --warm:#E08A2B;
  --warm-dark:#B86A16;
  --bg:#F4F7FB;
  --bg-alt:#F7FAFD;
  --card:#FFFFFF;
  --line:#E4EAF3;
  --text:#1B2733;
  --text-2:#5A6B80;
  --text-3:#9AAABB;
  --radius:14px;
  --radius-lg:18px;
  --radius-btn:10px;
  --sh-1:0 1px 2px rgba(16,32,58,.05);
  --sh-2:0 8px 24px rgba(16,32,58,.07);
  --sh-3:0 14px 34px rgba(16,32,58,.11);
  --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;padding:0;background:var(--bg);color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:0;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand-dark)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text)}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(26,92,168,.10);
  box-shadow:0 6px 20px rgba(16,32,58,.06);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:#FFFFFF;box-shadow:0 8px 24px rgba(16,32,58,.09)}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:76px;
  display:flex;align-items:center;gap:28px;transition:height .25s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;transition:transform .25s var(--ease)}
.site-header.is-scrolled .brand{transform:scale(.92)}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-size:15px;box-shadow:0 4px 12px rgba(26,92,168,.28);
}
.brand-text{font-size:20px;font-weight:700;color:var(--text);letter-spacing:.2px}
.brand-text b{color:var(--brand);font-weight:700}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-links a{position:relative;font-size:14px;font-weight:600;color:var(--text);padding:6px 0;white-space:nowrap}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transition:transform .25s var(--ease);
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 14px;
  background:rgba(255,255,255,.85);border:1px solid var(--line);border-radius:999px;
  transition:width .28s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{width:300px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,92,168,.10)}
.nav-search i{color:var(--text-3);font-size:13px}
.nav-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;min-width:0}
.nav-search input::placeholder{color:var(--text-3)}
.btn-warm{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--warm);color:#fff;font-size:14px;font-weight:600;border:1px solid var(--warm);
  transition:all .25s var(--ease);white-space:nowrap;
}
.btn-warm:hover{background:var(--warm-dark);border-color:var(--warm-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(224,138,43,.26)}
.btn-warm i{font-size:12px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:142px 0 92px;background:var(--bg-alt);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.55;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.88) 48%,rgba(244,247,251,.70) 100%);
}
.hero .container{position:relative;z-index:1}
.breadcrumb-bar{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:26px}
.breadcrumb-bar a{color:var(--text-2)}
.breadcrumb-bar a:hover{color:var(--brand)}
.breadcrumb-bar .sep{color:var(--text-3)}
.breadcrumb-bar .current{color:var(--brand);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 14px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);font-size:13px;font-weight:600;margin-bottom:20px;
}
.pill i{font-size:11px}
.hero h1{font-size:40px;line-height:1.25;margin-bottom:18px;max-width:15em}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:34em;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.btn-brand,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;transition:all .25s var(--ease);
}
.btn-brand{background:var(--brand);color:#fff;border:1px solid var(--brand)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-line{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-line:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.btn-text i{font-size:11px;transition:transform .22s var(--ease)}
.btn-text:hover i{transform:translateX(3px)}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-family:Inter,system-ui,sans-serif;font-size:24px;font-weight:700;color:var(--brand);line-height:1.2}
.hero-stats span{font-size:13px;color:var(--text-2)}
.hero-visual{position:relative;min-height:360px}
.hv-main{
  margin:0;position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:16/10;box-shadow:var(--sh-2);background:#eef2f8;
}
.hv-main img{width:100%;height:100%;object-fit:cover}
.hv-sub{
  margin:0;position:absolute;right:14px;bottom:-26px;width:50%;aspect-ratio:4/3;
  border-radius:var(--radius);overflow:hidden;border:4px solid #fff;box-shadow:var(--sh-3);background:#eef2f8;
}
.hv-sub img{width:100%;height:100%;object-fit:cover}
.hv-chip{
  position:absolute;left:-10px;top:22px;display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(26,92,168,.14);box-shadow:var(--sh-1);
  font-size:13px;font-weight:600;color:var(--brand-dark);
}
.hv-chip i{color:var(--teal)}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{position:relative;padding-left:18px;font-size:30px;line-height:1.3;margin-bottom:12px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:24px;border-radius:999px;background:var(--brand);
}
.sec-head h2::after{
  content:"";position:absolute;left:-3px;top:50%;transform:translateY(-50%) translateY(-14px);
  width:10px;height:10px;border-radius:50%;background:var(--brand-light);border:2px solid var(--brand);
}
.sec-head p{color:var(--text-2);font-size:15px;margin:0;max-width:40em}
.sec-foot{margin-top:36px;display:flex;justify-content:center}

/* ---------- Category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.cat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  display:flex;flex-direction:column;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:#d7e3f4}
.cat-thumb{aspect-ratio:16/10;overflow:hidden;background:#eef2f8}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease)}
.cat-card:hover .cat-thumb img{transform:scale(1.03)}
.cat-body{padding:28px;display:flex;flex-direction:column;gap:12px;flex:1}
.cat-body h3{font-size:22px;line-height:1.4}
.cat-body p{color:var(--text-2);font-size:15px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cat-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);font-size:13px;font-weight:600;
}
.badge-teal{background:var(--teal-light);color:#0a7a6b}
.badge-warm{background:#FBF0E1;color:var(--warm-dark)}
.cat-meta .meta-time{font-size:13px;color:var(--text-3)}
.cat-foot{margin-top:auto;padding-top:8px}

/* ---------- Compare strip ---------- */
.compare-strip{
  margin-top:36px;background:var(--teal-light);border:1px solid rgba(15,160,140,.20);
  border-radius:var(--radius-lg);padding:24px 28px;display:flex;align-items:center;gap:22px;flex-wrap:wrap;
}
.compare-strip .cs-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;background:#fff;color:var(--teal);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;box-shadow:var(--sh-1);
}
.compare-strip .cs-text{flex:1;min-width:240px}
.compare-strip strong{display:block;font-size:16px;font-weight:600;color:#0a5d53;margin-bottom:2px}
.compare-strip span{font-size:14px;color:#3f6f68}

/* ---------- Field cards ---------- */
.field-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.field-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--sh-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.field-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.field-ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-light);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;
}
.field-card h3{font-size:18px;line-height:1.45;margin-bottom:8px}
.field-card p{font-size:14px;color:var(--text-2);margin:0}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-top:4px solid var(--brand);
  border-radius:var(--radius);padding:30px 26px 26px;box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step .num{
  font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-light);display:inline-flex;align-items:center;
  height:24px;padding:0 12px;border-radius:999px;margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);margin:0}

/* ---------- Scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.scene-item{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--sh-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene-item .si-ico{
  width:38px;height:38px;flex-shrink:0;border-radius:10px;background:var(--teal-light);color:var(--teal);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.scene-item h3{font-size:18px;margin-bottom:6px}
.scene-item p{font-size:14px;color:var(--text-2);margin:0}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item[open]{border-color:#d7e3f4;box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 24px;display:flex;align-items:center;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);transition:background .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--brand-light)}
.faq-item summary .chev{margin-left:auto;color:var(--text-3);font-size:13px;transition:transform .25s var(--ease)}
.faq-item[open] summary{color:var(--brand);border-left:3px solid var(--warm)}
.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--brand)}
.faq-body{padding:0 24px 22px;border-left:3px solid var(--warm)}
.faq-body p{margin:0;font-size:15px;line-height:1.75;color:var(--text-2)}

/* ---------- CTA / Join ---------- */
.join-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--sh-2);padding:44px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;
}
.join-left h2{font-size:30px;line-height:1.3;margin-bottom:14px}
.join-left p{color:var(--text-2);font-size:15px;max-width:34em}
.price-row{display:flex;align-items:flex-end;gap:10px;margin:24px 0 18px}
.price-row .num{font-family:Inter,system-ui,sans-serif;font-size:44px;font-weight:700;color:var(--brand);line-height:1}
.price-row .unit{font-size:14px;color:var(--text-2);padding-bottom:6px}
.join-points{display:flex;flex-direction:column;gap:10px}
.join-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2)}
.join-points i{color:var(--teal);font-size:13px;margin-top:5px}
.join-form .form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px}
.join-form .form-control,.join-form .form-select{
  height:46px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;
  font-size:15px;padding:0 14px;box-shadow:none;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.join-form .form-control:focus,.join-form .form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,92,168,.12);outline:none;
}
.join-form .mb-3{margin-bottom:16px}
.join-form .btn-warm{width:100%;height:48px;justify-content:center;font-size:15px}
.form-note{font-size:13px;color:var(--text-3);margin:12px 0 0;text-align:center}
.promise-row{
  margin-top:32px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
}
.promise{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;font-size:14px;color:var(--text-2);box-shadow:var(--sh-1);
}
.promise i{color:var(--brand);font-size:15px}

/* ---------- Footer ---------- */
.site-footer{background:#10263F;color:#C9D8EA;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:700;margin-bottom:16px}
.footer-brand b{color:#7FB2E8}
.site-footer .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;color:#7FB2E8}
.footer-desc{color:#9FB3CB;font-size:14px;line-height:1.75;margin:0 0 18px;max-width:26em}
.footer-contact div{font-size:14px;color:#9FB3CB;margin-bottom:6px}
.footer-contact b{color:#DCE7F4;font-weight:600}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin:0 0 18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a,.footer-links span{color:#9FB3CB;font-size:14px;transition:color .22s var(--ease)}
.footer-links a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:#8199B4;
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .hero h1{font-size:36px}
  .hero-grid{gap:40px}
}
@media (max-width:991px){
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:10px 20px 20px;margin:0;border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .25s var(--ease),opacity .25s var(--ease);max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{padding:15px 6px;border-bottom:1px solid var(--line);width:100%}
  .nav-links a:last-child{border-bottom:0}
  .nav-links a::after{display:none}
  .nav-links a.active{background:var(--brand-light);border-radius:8px;padding-left:12px}
  .hero{padding:120px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero h1{font-size:32px;max-width:none}
  .hero-sub{max-width:none}
  .hero-visual{min-height:0;max-width:560px}
  .section{padding:64px 0}
  .sec-head h2{font-size:26px}
  .cat-grid{grid-template-columns:1fr}
  .field-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .join-wrap{grid-template-columns:1fr;gap:34px;padding:32px}
  .promise-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px}
  .nav-inner{padding:0 18px;height:64px}
  .site-header.is-scrolled .nav-inner{height:58px}
  .nav-links{top:58px}
  .brand-text{font-size:18px}
  .btn-warm{padding:0 14px;font-size:13px}
  .hero{padding:104px 0 60px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-stats{gap:24px}
  .hero-stats b{font-size:21px}
  .hv-sub{width:56%;bottom:-20px}
  .section{padding:48px 0}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:24px}
  .cat-body{padding:20px}
  .cat-body h3{font-size:20px}
  .field-grid,.steps,.scene-grid,.promise-row{grid-template-columns:1fr}
  .compare-strip{padding:20px}
  .join-wrap{padding:24px}
  .join-left h2{font-size:24px}
  .price-row .num{font-size:36px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:575px){
  .hero h1{font-size:25px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta a{width:100%}
  .hero-stats{gap:18px 28px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --primary:#1A5CA8;
  --primary-d:#134785;
  --primary-l:#E8F0FB;
  --teal:#0FA08C;
  --teal-l:#E4F5F2;
  --warm:#E08A2B;
  --warm-d:#B86A16;
  --warm-l:#FDF2E3;
  --bg:#F4F7FB;
  --bg-alt:#F7FAFD;
  --card:#FFFFFF;
  --line:#E4EAF3;
  --ink:#1B2733;
  --ink2:#5A6B80;
  --ink3:#9AAABB;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --sh1:0 1px 2px rgba(16,32,58,.05);
  --sh2:0 8px 24px rgba(16,32,58,.07);
  --sh3:0 14px 34px rgba(16,32,58,.11);
  --ease:.28s cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;}
a:hover{color:var(--primary-d);}
button,input{font-family:inherit;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.3;margin:0;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(26,92,168,.10);
  box-shadow:0 6px 20px rgba(16,32,58,.06);
  transition:background .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 8px 24px rgba(16,32,58,.09);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:76px;display:flex;align-items:center;gap:26px;
  transition:height .25s ease;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:20px;letter-spacing:.2px;transition:.25s;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:15px;flex:0 0 auto;
  transition:transform .25s ease;
}
.site-header.is-scrolled .brand-mark{transform:scale(.94);}
.brand-text b{color:var(--primary);}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:14px;font-weight:600;color:var(--ink);
  padding:8px 2px;transition:color .22s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;background:#fff;
  border:1px solid var(--line);border-radius:999px;height:40px;padding:0 14px;
  width:220px;transition:width .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-search i{color:var(--ink3);font-size:13px;}
.nav-search input{
  border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink);height:100%;
}
.nav-search input::placeholder{color:var(--ink3);}
.nav-search:focus-within{width:300px;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,92,168,.10);}
.btn-warm{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  background:var(--warm);color:#fff;font-size:14px;font-weight:600;border-radius:var(--r-btn);
  border:0;transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-warm:hover{background:var(--warm-d);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(224,138,43,.28);}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;border-radius:var(--r-btn);
  border:0;transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary:hover{background:var(--primary-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(26,92,168,.22);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;
  background:transparent;color:var(--primary);font-size:15px;font-weight:600;
  border:1px solid var(--primary);border-radius:var(--r-btn);
  transition:background .22s ease,color .22s ease;
}
.btn-ghost:hover{background:var(--primary-l);color:var(--primary-d);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  place-items:center;font-size:16px;
}
@media (max-width:991px){
  .nav-inner{height:66px;padding:0 20px;gap:12px;}
  .site-header.is-scrolled .nav-inner{height:60px;}
  .nav-search{display:none;}
  .nav-toggle{display:grid;}
  .nav-right{margin-left:auto;gap:10px;}
  .nav-links{
    display:none;position:fixed;top:74px;left:16px;right:16px;z-index:1040;
    flex-direction:column;align-items:stretch;gap:0;margin-left:0;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh2);padding:8px 14px;
  }
  .site-header.nav-open .nav-links{display:flex;}
  .nav-links a{padding:14px 6px;border-bottom:1px solid var(--line);font-size:15px;}
  .nav-links a:last-child{border-bottom:0;}
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--primary);}
  .btn-warm{height:40px;padding:0 14px;font-size:13px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .brand{font-size:18px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;font-size:13px;}
  .btn-warm{padding:0 12px;}
  .btn-warm i{display:none;}
}

/* ---------- 页头 ---------- */
.page-head{
  background:linear-gradient(180deg,#EDF4FD 0%,#F6FAFF 100%);
  border-bottom:1px solid var(--line);
  padding:calc(76px + 30px) 0 34px;
}
@media (max-width:991px){
  .page-head{padding:calc(66px + 24px) 0 28px;}
}
.crumbs{font-size:13px;color:var(--ink2);margin-bottom:14px;}
.crumbs a{color:var(--ink2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{margin:0 8px;color:var(--ink3);}
.crumbs .current{color:var(--primary);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--primary);background:#fff;border:1px solid rgba(26,92,168,.18);
  border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.page-head h1{font-size:34px;letter-spacing:-.2px;}
.page-head .head-sub{max-width:780px;margin-top:12px;color:var(--ink2);font-size:15px;}
@media (max-width:991px){
  .page-head h1{font-size:27px;}
  .page-head .head-sub{font-size:14px;}
}
@media (max-width:575px){
  .page-head h1{font-size:23px;}
}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head h2{
  font-size:26px;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--primary);
}
.section-head p{margin-top:10px;color:var(--ink2);font-size:15px;}
@media (max-width:991px){
  .section{padding:48px 0;}
  .section-head h2{font-size:22px;}
}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.stat{padding:22px 22px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat b{
  display:block;font-size:26px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.4px;
}
.stat span{display:block;font-size:13px;color:var(--ink2);margin-top:4px;}
@media (max-width:991px){
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat{border-bottom:1px solid var(--line);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0;}
}
@media (max-width:575px){
  .stat b{font-size:22px;}
  .stat{padding:18px 16px;}
}

/* ---------- 规则清单 ---------- */
.group-head{display:flex;align-items:center;gap:12px;margin:34px 0 12px;}
.group-head:first-of-type{margin-top:0;}
.group-head h3{
  font-size:19px;font-weight:600;margin:0;position:relative;padding-left:14px;
}
.group-head h3::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--primary);
}
.group-head .count{font-size:13px;color:var(--ink3);margin-left:auto;}
.list-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;}
.rule-row{
  display:grid;grid-template-columns:44px 1fr 190px;gap:18px;align-items:center;
  padding:14px 22px;border-bottom:1px solid var(--line);
  transition:background .24s ease,transform .28s cubic-bezier(.2,.7,.3,1);
}
.rule-row:last-child{border-bottom:0;}
.rule-row:nth-child(even){background:#FAFCFF;}
.rule-row:hover{background:var(--primary-l);transform:translateX(2px);}
.rule-row .num{
  width:34px;height:34px;border-radius:999px;background:var(--primary-l);color:var(--primary);
  display:grid;place-items:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.rule-row h4{font-size:16px;font-weight:600;margin:0 0 2px;}
.rule-row p{font-size:13px;color:var(--ink2);margin:0;}
.row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px;}
.row-meta time{font-size:12px;color:var(--ink3);font-variant-numeric:tabular-nums;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap;
}
.tag-primary{background:var(--primary-l);color:var(--primary);}
.tag-teal{background:var(--teal-l);color:var(--teal);}
.tag-warm{background:var(--warm-l);color:var(--warm-d);}
@media (max-width:767px){
  .rule-row{grid-template-columns:36px 1fr;gap:12px;padding:14px 16px;}
  .row-meta{grid-column:2;flex-direction:row;align-items:center;gap:10px;margin-top:2px;}
  .rule-row h4{font-size:15px;}
}

/* ---------- 流程 + 配图 ---------- */
.flow-wrap{display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:center;}
.flow-list{list-style:none;margin:0;padding:0;}
.flow-list li{
  position:relative;padding:0 0 22px 46px;border-left:1px solid var(--line);margin-left:14px;
}
.flow-list li:last-child{border-left-color:transparent;padding-bottom:0;}
.flow-list li::before{
  content:attr(data-step);position:absolute;left:-15px;top:0;
  width:30px;height:30px;border-radius:999px;background:#fff;border:1px solid var(--primary);
  color:var(--primary);font-size:13px;font-weight:700;display:grid;place-items:center;
}
.flow-list h4{font-size:16px;font-weight:600;margin:2px 0 2px;}
.flow-list p{font-size:14px;color:var(--ink2);margin:0;}
.flow-figure{margin:0;}
.flow-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;
  border:1px solid var(--line);background:var(--bg-alt);
}
.flow-figure figcaption{font-size:13px;color:var(--ink3);margin-top:10px;}
@media (max-width:991px){
  .flow-wrap{grid-template-columns:1fr;gap:28px;}
  .flow-figure{order:-1;}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:1px solid var(--line) !important;border-radius:12px !important;
  background:#fff;margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;
  padding:18px 20px;box-shadow:none !important;border-radius:0 !important;
}
.accordion-button:not(.collapsed){
  color:var(--primary);background:#fff;border-left:3px solid var(--warm);
}
.accordion-button:focus{border-color:var(--line);}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231A5CA8'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}
.accordion-body{
  font-size:15px;color:var(--ink2);line-height:1.75;padding:0 20px 20px;
  border-top:1px solid transparent;
}
@media (max-width:575px){
  .accordion-button{font-size:15px;padding:15px 16px;}
  .accordion-body{padding:0 16px 16px;}
}

/* ---------- CTA 条 ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--primary-l);border:1px solid rgba(26,92,168,.16);
  border-radius:var(--r-lg);padding:28px 32px;
}
.cta-bar h2{font-size:21px;margin-bottom:6px;}
.cta-bar p{color:var(--ink2);font-size:14px;margin:0;max-width:640px;}
.cta-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
@media (max-width:991px){
  .cta-bar{flex-direction:column;align-items:flex-start;padding:24px 20px;}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;}
  .cta-actions .btn-warm,.cta-actions .btn-ghost{width:100%;justify-content:center;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#12263F;color:#C6D3E3;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-brand b{color:#7FB2E8;}
.footer-desc{font-size:14px;line-height:1.75;color:#A9BCD2;margin-bottom:16px;}
.footer-contact div{font-size:13px;color:#A9BCD2;line-height:1.9;}
.footer-contact b{color:#DCE6F2;font-weight:600;}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:#A9BCD2;}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 24px;
  font-size:13px;color:#8FA4BC;
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:575px){
  .site-footer{padding-top:40px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
}