/* roulang page: index */
:root{
  --primary:#2E6CA4;
  --primary-deep:#1F4E77;
  --primary-soft:#EAF2F9;
  --accent:#D08A3C;
  --ink:#14202E;
  --body:#4A5768;
  --muted:#7A8798;
  --line:#E5EBF2;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --success:#2E8B7A;
  --warn:#C9803A;
  --danger:#BE4B3F;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --sh-1:0 1px 2px rgba(20,32,46,.04),0 2px 8px rgba(20,32,46,.05);
  --sh-2:0 8px 28px rgba(20,32,46,.09);
  --sh-3:0 12px 36px rgba(20,32,46,.10);
  --t:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:var(--primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--primary-deep)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:3px solid rgba(46,108,164,.35);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary-soft);color:var(--primary-deep)}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.sec{padding:88px 0}
.sec-alt{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-title{font-size:30px}
.sec-desc{margin-top:12px;font-size:16px;color:var(--muted);max-width:620px}
.text-link{font-size:15px;font-weight:500;border-bottom:1px solid transparent;padding-bottom:2px}
.text-link:hover{border-bottom-color:var(--primary);color:var(--primary-deep)}

/* ---------- 按钮 ---------- */
.btn-pg,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:500;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
  border:1px solid transparent;white-space:nowrap;text-decoration:none;
}
.btn-sm{height:32px;padding:0 16px;font-size:14px}
.btn-md{height:44px;padding:0 22px;font-size:15px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-pg{background:var(--primary);color:#fff}
.btn-pg:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-pg:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{background:#fff;border-color:#D6DFEA;color:var(--ink)}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-deep);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep)}
.btn-pg[disabled],.btn-outline[disabled]{opacity:.5;pointer-events:none}

/* ---------- 徽章 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:7px 12px;border-radius:999px;
  background:rgba(46,108,164,.10);color:var(--primary-deep);font-weight:500;
}
.pill-accent{background:rgba(208,138,60,.14);color:#9A621F}
.tag{
  display:inline-block;font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-deep);
}
.tag-ok{background:rgba(46,139,122,.12);color:var(--success)}
.tag-soft{background:#F1F4F8;color:var(--muted)}

/* ---------- Dock 导航 ---------- */
.dock-bar{position:fixed;top:16px;left:0;right:0;z-index:1030;display:flex;justify-content:center;padding:0 24px;pointer-events:none}
.dock-inner{
  pointer-events:auto;width:100%;max-width:1180px;height:68px;padding:0 16px 0 18px;
  display:flex;align-items:center;gap:20px;
  background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--sh-2);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:height var(--t),box-shadow var(--t),background-color var(--t);
}
.dock-bar.is-stuck .dock-inner{height:56px;box-shadow:var(--sh-3);background:rgba(255,255,255,.97)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:13px;letter-spacing:.02em;
  font-family:Inter,system-ui,sans-serif;
}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--body);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;border-radius:2px;
  background:var(--primary);transform:translateX(-50%);transition:width var(--t);
}
.nav-link:hover,.nav-link.active{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{width:16px}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--body);display:grid;place-items:center;cursor:pointer;transition:var(--t);font-size:15px;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}
.search-box{width:0;overflow:hidden;transition:width var(--t)}
.dock-actions.search-open .search-box{width:210px}
.search-box input{
  width:210px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg);padding:0 16px;color:var(--ink);outline:none;
}
.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.18)}
.burger{display:none}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;background:#fff;z-index:1045;padding:88px 20px 32px;
  overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:none}
.drawer-close{
  position:absolute;top:20px;right:20px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink);display:grid;place-items:center;cursor:pointer;font-size:16px;
}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:20px;color:var(--ink);padding:0 4px;height:56px;border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary)}
.drawer-foot{margin-top:28px;display:grid;gap:12px}
.drawer-foot .btn-pg,.drawer-foot .btn-outline{width:100%}
body.drawer-lock{overflow:hidden}

/* ---------- Hero ---------- */
.hero{position:relative;background:#fff;padding:150px 0 96px;overflow:hidden}
.hero-glow{
  position:absolute;right:-160px;bottom:-200px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,108,164,.07) 0%,rgba(46,108,164,0) 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;position:relative}
.hero h1{font-size:clamp(30px,4.2vw,46px);margin:18px 0 16px}
.hero-sub{font-size:18px;color:var(--body);max-width:520px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-stats strong{
  display:block;font-size:22px;color:var(--primary-deep);font-weight:700;
  font-family:Inter,"PingFang SC",system-ui,sans-serif;
}
.hero-stats span{font-size:13px;color:var(--muted)}
.hero-media{position:relative;padding-bottom:24px}
.hero-photo{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3;background:var(--primary-soft)}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;right:-6px;bottom:-18px;width:224px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-3);padding:18px;
}
.hero-float .float-label{font-size:12px;color:var(--muted);display:block}
.hero-float .float-num{
  font-size:24px;color:var(--accent);font-weight:700;display:block;margin:4px 0 6px;
  font-family:Inter,"PingFang SC",system-ui,sans-serif;
}
.hero-float .float-desc{font-size:13px;color:var(--muted);display:block;margin-bottom:14px;line-height:1.6}
.hero-float .btn-pg{width:100%}

/* ---------- 保障条 ---------- */
.strip{background:var(--primary-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:16px 0;min-height:72px;align-items:center}
.strip-item{display:flex;align-items:center;gap:12px}
.strip-item i{font-size:20px;color:var(--primary);width:24px;text-align:center}
.strip-item b{display:block;font-size:15px;color:var(--ink);font-weight:700}
.strip-item small{font-size:13px;color:var(--body);display:block;line-height:1.5}

/* ---------- 产品网格 ---------- */
.grid-hot{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pcard{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pcard-img{border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:var(--primary-soft);margin-bottom:16px}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.pcard:hover .pcard-img img{transform:scale(1.04)}
.pcard h3{font-size:17px;margin:12px 0 8px}
.pcard p{font-size:15px;color:var(--body);line-height:1.75;margin-bottom:14px}
.pcard-foot{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.metric b{
  display:block;font-size:19px;color:var(--accent);font-weight:700;
  font-family:Inter,"PingFang SC",system-ui,sans-serif;line-height:1.3;
}
.metric span{font-size:12px;color:var(--muted)}
.pcard.feature{grid-column:span 2;grid-row:span 2;padding:24px}
.pcard.feature .pcard-img{aspect-ratio:16/9;margin-bottom:20px}
.pcard.feature h3{font-size:23px}
.pcard.feature p{font-size:16px}
.pcard.feature .btn-pg{margin-top:18px;align-self:flex-start}
.pcard-more{
  justify-content:center;text-align:center;background:linear-gradient(180deg,#fff 0%,var(--primary-soft) 100%);
}
.pcard-more i{font-size:28px;color:var(--primary);margin-bottom:14px}
.pcard-more h3{font-size:18px}
.pcard-more p{font-size:14px;color:var(--muted)}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-card h3{font-size:18px;margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a{color:var(--ink)}
.news-card h3 a:hover{color:var(--primary-deep)}
.news-card .news-sum{
  font-size:15px;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px;
}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.news-meta .read{color:var(--primary);font-weight:500}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:32px;gap:8px;
}
.empty-state i{font-size:48px;color:#B9C6D4;line-height:1}
.empty-state b{font-size:16px;color:var(--ink)}
.empty-state p{font-size:14px;color:var(--muted);margin:0}

/* ---------- 评价轮播 ---------- */
.review-wrap{position:relative}
.review-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 20px;scrollbar-width:none;-ms-overflow-style:none;overscroll-behavior-x:contain;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.avatar{
  width:48px;height:48px;border-radius:50%;background:var(--primary-soft);color:var(--primary-deep);
  display:grid;place-items:center;font-weight:700;font-size:16px;flex:0 0 auto;
}
.review-top b{display:block;font-size:15px;color:var(--ink)}
.review-top small{font-size:13px;color:var(--muted)}
.stars{color:var(--accent);font-size:13px;letter-spacing:2px;margin-bottom:12px}
.review-card p{font-size:15px;line-height:1.8;color:var(--body);margin:0}
.review-nav{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:8px}
.dot{width:12px;height:4px;border-radius:999px;background:#D5DEE8;border:0;padding:0;cursor:pointer;transition:width var(--t),background-color var(--t)}
.dot.active{width:24px;background:var(--primary)}
.review-arrows{display:flex;gap:10px;justify-content:flex-end;margin-top:-46px;position:relative;z-index:2}
.arrow-btn{
  width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--line);
  color:var(--body);display:grid;place-items:center;cursor:pointer;transition:var(--t);
}
.arrow-btn:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- 长版保障 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.guard-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:var(--t)}
.guard-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.guard-item i{font-size:28px;color:var(--primary);margin-bottom:14px;display:block}
.guard-item b{display:block;font-size:16px;color:var(--ink);margin-bottom:8px}
.guard-item p{font-size:14px;color:var(--body);line-height:1.7;margin:0}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background-color:var(--primary-soft);
  background-image:linear-gradient(90deg,rgba(234,242,249,.96) 0%,rgba(234,242,249,.88) 55%,rgba(234,242,249,.72) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  padding:56px;border:1px solid #DCE7F2;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;position:relative}
.cta-grid h2{font-size:28px;margin-bottom:14px}
.cta-grid p{font-size:16px;color:var(--body);max-width:420px}
.cta-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:26px}
.cta-form label{font-size:13px;color:var(--body);display:block;margin-bottom:8px}
.cta-form input[type=text],.cta-form input[type=email],.cta-form input[type=tel]{
  width:100%;height:44px;border-radius:var(--r-btn);border:1px solid #DCE3EC;background:#fff;
  padding:0 16px;color:var(--ink);outline:none;transition:var(--t);
}
.cta-form input::placeholder{color:#A9B4C2}
.cta-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.18)}
.form-row{display:flex;gap:12px;margin-bottom:14px}
.form-row .grow{flex:1 1 auto}
.form-row .btn-pg{flex:0 0 auto;height:44px;padding:0 24px}
.check{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--muted);line-height:1.6}
.check input{margin-top:3px;accent-color:var(--primary)}

/* ---------- 页脚 ---------- */
.site-footer{background:#F4F7FA;border-top:1px solid var(--line);margin-top:88px;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{width:32px;height:32px}
.foot-brand span.foot-name{font-size:16px;font-weight:700;color:var(--ink)}
.foot-about{font-size:14px;color:var(--body);line-height:1.8;max-width:300px}
.foot-col h4{font-size:15px;margin-bottom:18px;color:var(--ink)}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:14px;color:var(--body);display:inline-block;transition:var(--t)}
.foot-col a:hover{color:var(--primary);transform:translateX(2px)}
.foot-contact li{font-size:14px;color:var(--body);display:flex;gap:10px;align-items:flex-start;margin-bottom:12px}
.foot-contact i{color:var(--primary);margin-top:4px;font-size:14px;width:16px;text-align:center}
.foot-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .wrap{max-width:1140px}
}
@media (max-width:1199px){
  .wrap{max-width:960px}
  .dock-nav{gap:18px}
  .nav-link{font-size:14px}
  .brand-text{font-size:15px}
  .grid-hot{grid-template-columns:repeat(3,1fr)}
  .guard-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  body{font-size:16px}
  .dock-nav{display:none}
  .burger{display:grid}
  .dock-inner{padding:0 12px 0 14px;gap:10px}
  .dock-actions .btn-pg{display:none}
  .hero{padding:120px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-sub{max-width:none}
  .grid-hot{grid-template-columns:repeat(2,1fr)}
  .pcard.feature{grid-column:span 2;grid-row:auto}
  .news-grid{grid-template-columns:1fr}
  .review-card{flex:0 0 86%}
  .review-arrows{display:none}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:36px 28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .strip-inner{
    display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;
    padding:16px 0;scrollbar-width:none;
  }
  .strip-inner::-webkit-scrollbar{display:none}
  .strip-item{flex:0 0 78%;scroll-snap-align:start}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .sec{padding:48px 0}
  .sec-title{font-size:24px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-stats{gap:26px}
  .hero-float{position:static;width:100%;margin-top:16px;box-shadow:var(--sh-1)}
  .hero-media{padding-bottom:0}
  .grid-hot{grid-template-columns:1fr}
  .pcard.feature{grid-column:auto}
  .guard-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .form-row{flex-direction:column}
  .form-row .btn-pg{width:100%}
  .cta-band{padding:28px 20px}
  .site-footer{margin-top:56px}
  .brand-text{font-size:15px}
}

/* roulang page: category1 */
:root{
  --primary:#2E6CA4;
  --primary-deep:#1F4E77;
  --primary-soft:#EAF2F9;
  --accent:#D08A3C;
  --ink:#14202E;
  --text:#4A5768;
  --muted:#7A8798;
  --line:#E5EBF2;
  --line-strong:#D6DFEA;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --success:#2E8B7A;
  --warn:#C9803A;
  --danger:#BE4B3F;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,32,46,.04), 0 2px 8px rgba(20,32,46,.05);
  --sh-2:0 8px 28px rgba(20,32,46,.09);
  --sh-3:0 12px 36px rgba(20,32,46,.10);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --sec-pad:88px;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:104px;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  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(--t);}
a:hover{color:var(--primary-deep);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.25;letter-spacing:-0.01em;font-weight:700;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(46,108,164,.35);outline-offset:2px;border-radius:6px;}

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

/* ============ Dock 导航 ============ */
.site-head{position:fixed;top:16px;left:0;right:0;z-index:1030;padding:0 24px;transition:top var(--t);}
.dock{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-2);
  padding:10px 20px;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:padding var(--t),box-shadow var(--t),border-color var(--t);
}
.site-head.is-stuck .dock{padding:6px 20px;box-shadow:var(--sh-3);border-color:var(--line-strong);}
.site-head.is-stuck{top:10px;}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  font-family:Inter,system-ui,sans-serif;
  flex:0 0 32px;
}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.dock .nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;border-radius:0;background:none;border:none;
  white-space:nowrap;
}
.dock .nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:0;height:2px;background:var(--primary);
  transform:translateX(-50%);border-radius:2px;
  transition:width var(--t);
}
.dock .nav-link:hover{color:var(--primary);}
.dock .nav-link:hover::after{width:16px;}
.dock .nav-link.active{color:var(--primary);font-weight:700;}
.dock .nav-link.active::after{width:16px;}
.dock-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--t);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);}
.dock-search{display:flex;align-items:center;gap:6px;}
.dock-search input{
  width:0;opacity:0;height:40px;padding:0;border:1px solid var(--line);
  border-radius:999px;background:var(--bg);font-size:14px;color:var(--ink);
  transition:width var(--t),opacity var(--t),padding var(--t);
}
.dock.search-open .dock-search input{width:200px;opacity:1;padding:0 16px;}
.dock-search input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(46,108,164,.18);}
.burger{display:none;}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:500;line-height:1;
  height:44px;padding:0 22px;
  border-radius:var(--r-btn);border:1px solid transparent;
  cursor:pointer;text-decoration:none;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-x.sm{height:32px;padding:0 14px;font-size:13px;}
.btn-x.lg{height:52px;padding:0 28px;font-size:16px;}
.btn-primary-x{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary-x:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{background:#fff;color:var(--ink);border-color:var(--line-strong);}
.btn-ghost-x:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-ghost-x:active{transform:translateY(0);}
.btn-line-x{background:transparent;color:var(--primary);border-color:transparent;padding:0 8px;}
.btn-line-x:hover{background:var(--primary-soft);color:var(--primary-deep);}
.btn-x[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1040;background:#fff;
  padding:88px 24px 32px;
  display:none;flex-direction:column;
}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a.drawer-link{
  font-size:20px;font-weight:500;color:var(--ink);
  line-height:56px;border-bottom:1px solid var(--line);
  display:block;
}
.mobile-drawer a.drawer-link.active{color:var(--primary);font-weight:700;}
.drawer-actions{margin-top:28px;display:grid;gap:12px;}

/* ============ 面包屑 ============ */
.crumb{padding:18px 0 6px;font-size:14px;color:var(--muted);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb .sep{color:#C6CFDA;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .current{color:var(--ink);font-weight:500;}

/* ============ Hero 矮版 ============ */
.hero-short{padding:18px 0 56px;}
.hero-panel{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:36px;position:relative;overflow:hidden;
}
.hero-panel::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(46,108,164,.06),transparent 68%);
  pointer-events:none;
}
.hero-min{min-height:320px;display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;position:relative;z-index:1;}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;color:var(--primary);
  background:rgba(46,108,164,.10);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.hero-min h1{font-size:clamp(30px,4.2vw,46px);}
.hero-lead{font-size:17px;color:var(--text);margin-top:14px;max-width:640px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-figs{display:flex;flex-wrap:wrap;gap:36px;margin-top:28px;}
.hero-fig b{display:block;font-size:22px;font-weight:700;color:var(--primary-deep);font-family:Inter,system-ui,sans-serif;line-height:1.3;}
.hero-fig span{font-size:13px;color:var(--muted);}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;height:320px;border:1px solid var(--line);}
.hero-media img{width:100%;height:100%;object-fit:cover;}

/* ============ 通用区块 ============ */
.sec{padding:var(--sec-pad) 0;}
.sec-tight{padding:56px 0;}
.sec-head{margin-bottom:34px;}
.sec-head .eyebrow{
  font-size:12px;font-weight:700;color:var(--accent);
  letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px;
  font-family:Inter,system-ui,sans-serif;
}
.sec-head h2{font-size:30px;}
.sec-head p{margin-top:12px;max-width:780px;font-size:16px;color:var(--text);}
.sec-head-cols{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}

/* chips */
.chips{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;height:38px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line-strong);background:#fff;color:var(--text);
  font-size:14px;font-weight:500;cursor:pointer;
  transition:all var(--t);
}
.chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:var(--sh-1);}

/* 卡片 */
.pick-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pick-thumb{position:relative;overflow:hidden;border-radius:12px;margin:16px 16px 0;aspect-ratio:16/10;background:var(--primary-soft);}
.pick-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.pick-card:hover .pick-thumb img{transform:scale(1.04);}
.pick-thumb .tag-float{
  position:absolute;left:12px;top:12px;
  font-size:12px;font-weight:500;color:var(--primary);
  background:rgba(255,255,255,.94);border-radius:999px;padding:4px 12px;
}
.pick-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.pick-body h3{font-size:19px;margin-bottom:10px;}
.pick-body p{font-size:15px;line-height:1.8;color:var(--text);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.pick-meta{
  display:flex;align-items:baseline;gap:8px;margin-top:auto;
  padding-top:14px;border-top:1px solid var(--line);
}
.pick-meta b{font-size:18px;font-weight:700;color:var(--accent);font-family:Inter,system-ui,sans-serif;}
.pick-meta span{font-size:13px;color:var(--muted);}
.pick-foot{margin-top:14px;}

/* 选购要点三段 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.step-item{padding:34px 30px;border-right:1px solid var(--line);}
.step-item:last-child{border-right:none;}
.step-num{font-size:28px;font-weight:700;color:var(--accent);font-family:Inter,system-ui,sans-serif;line-height:1;letter-spacing:-.02em;}
.step-item h3{font-size:20px;margin:14px 0 10px;}
.step-item p{font-size:15px;margin:0;}

/* 双栏说明 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);aspect-ratio:4/3;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px dashed var(--line);font-size:16px;
}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--primary);margin-top:6px;font-size:15px;}

/* CTA */
.cta-band{
  background:var(--primary-soft);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:44px;display:grid;
  grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{font-size:15px;margin:0;color:var(--text);}
.lead-form{display:flex;gap:12px;flex-wrap:wrap;}
.lead-form .field{flex:1 1 200px;min-width:0;}
.lead-form input[type="text"],.lead-form input[type="email"],.lead-form input[type="tel"]{
  width:100%;height:44px;border-radius:12px;border:1px solid #DCE3EC;
  background:#fff;padding:0 16px;font-size:15px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.lead-form input::placeholder{color:#A9B4C2;}
.lead-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.18);}
.consent{display:flex;gap:8px;align-items:flex-start;margin-top:14px;font-size:12px;color:var(--muted);line-height:1.7;}
.consent input{margin-top:4px;}

/* 页脚 */
.site-footer{background:#F4F7FA;border-top:1px solid var(--line);padding:64px 0 0;margin-top:24px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.foot-about{font-size:14px;color:var(--muted);line-height:1.8;max-width:320px;}
.foot-col h4{font-size:15px;margin-bottom:16px;color:var(--ink);}
.foot-col ul li{margin-bottom:10px;}
.foot-col ul a{font-size:14px;color:var(--text);display:inline-block;transition:all var(--t);}
.foot-col ul a:hover{color:var(--primary);transform:translateX(2px);}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text);}
.foot-contact i{color:var(--primary);margin-top:6px;}
.foot-bottom{
  margin-top:48px;border-top:1px solid var(--line);
  padding:22px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .wrap{max-width:1140px;}
  .dock-nav{gap:18px;}
  .dock .nav-link{font-size:14px;}
}
@media (max-width:991px){
  body{padding-top:84px;}
  :root{--sec-pad:64px;}
  .wrap{max-width:960px;padding:0 20px;}
  .site-head{padding:0 16px;top:12px;}
  .dock-nav,.dock-search{display:none;}
  .burger{display:inline-flex;}
  .dock{padding:8px 12px 8px 14px;gap:10px;}
  .dock-tools{margin-left:auto;}
  .hero-min{grid-template-columns:1fr;gap:28px;}
  .hero-media{height:220px;}
  .hero-panel{padding:26px;}
  .steps{grid-template-columns:1fr;}
  .step-item{border-right:none;border-bottom:1px solid var(--line);padding:26px 24px;}
  .step-item:last-child{border-bottom:none;}
  .split{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;gap:24px;padding:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .foot-about{max-width:none;}
}
@media (max-width:767px){
  body{font-size:16px;padding-top:80px;}
  :root{--sec-pad:48px;}
  .wrap{padding:0 16px;}
  .sec-head h2{font-size:24px;}
  .hero-panel{padding:22px 18px;}
  .hero-figs{gap:24px;}
  .hero-fig b{font-size:20px;}
  .btn-x{width:auto;}
  .hero-btns .btn-x{flex:1 1 auto;}
  .pick-body p{-webkit-line-clamp:3;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:8px;font-size:12px;}
  .mobile-drawer{padding:80px 20px 32px;}
}
@media (max-width:519px){
  .hero-figs{gap:18px;}
  .cta-band{padding:24px 18px;}
  .chips{gap:8px;}
}

/* roulang page: article */
:root{
  --primary:#2E6CA4;
  --primary-deep:#1F4E77;
  --primary-soft:#EAF2F9;
  --accent:#D08A3C;
  --ink:#14202E;
  --text:#4A5768;
  --muted:#7A8798;
  --line:#E5EBF2;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --ok:#2E8B7A;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --sh-1:0 1px 2px rgba(20,32,46,.04),0 2px 8px rgba(20,32,46,.05);
  --sh-2:0 8px 28px rgba(20,32,46,.09);
  --sh-3:0 12px 36px rgba(20,32,46,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  padding-top:104px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--primary-deep);}
ul,ol{padding-left:1.25em;}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;letter-spacing:-.01em;font-weight:700;margin:0;}
p{margin:0 0 1em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(46,108,164,.35);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ Dock 导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;padding:16px 24px;pointer-events:none;}
.dock{
  pointer-events:auto;
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 14px 10px 18px;
  box-shadow:var(--sh-2);
  backdrop-filter:blur(8px);
  transition:padding .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-stuck .dock{padding:6px 14px 6px 18px;box-shadow:var(--sh-3);border-color:#D8E2EC;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;flex:0 0 auto;
}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ink);white-space:nowrap;}
.dock-nav{display:flex;align-items:center;justify-content:center;gap:24px;flex:1 1 auto;min-width:0;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;white-space:nowrap;transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--primary);
  transition:width .22s var(--ease);
}
.nav-link:hover,.nav-link.active{color:var(--primary);}
.nav-link:hover::after,.nav-link.active::after{width:16px;}
.dock-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-wrap{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;
  background:var(--bg);border:1px solid transparent;border-radius:999px;
  transition:border-color .22s var(--ease),background .22s var(--ease);cursor:pointer;
}
.search-wrap:hover{border-color:var(--line);}
.search-wrap i{color:var(--muted);font-size:14px;}
.search-wrap input{
  width:0;opacity:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
  transition:width .22s var(--ease),opacity .22s var(--ease);
}
.search-wrap input::placeholder{color:#A8B3C1;}
.search-wrap.open input{width:180px;opacity:1;}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-burger:hover{border-color:var(--primary);color:var(--primary);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1100;background:#fff;
  padding:20px 20px 32px;display:none;flex-direction:column;
}
.mobile-drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  margin-left:auto;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;margin-top:8px;}
.drawer-links a{
  font-size:20px;color:var(--ink);padding:0 0;line-height:56px;border-bottom:1px solid #F0F4F8;
}
.drawer-links a:hover{color:var(--primary);}
.drawer-btns{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:24px;}
body.lock{overflow:hidden;}

/* ============ 按钮 ============ */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;font-size:15px;font-weight:500;
  border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.pg-btn-sm{height:36px;padding:0 16px;font-size:14px;}
.pg-btn-lg{height:52px;padding:0 28px;font-size:16px;min-width:44px;}
.pg-btn-primary{background:var(--primary);color:#fff;}
.pg-btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.pg-btn-primary:active{transform:translateY(0);}
.pg-btn-outline{background:#fff;border-color:#D6DFEA;color:var(--ink);}
.pg-btn-outline:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-deep);}
.pg-btn-ghost{background:transparent;color:var(--primary);}
.pg-btn-ghost:hover{background:var(--primary-soft);}
.text-link{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;font-size:15px;}
.text-link:hover{text-decoration-thickness:2px;color:var(--primary-deep);}

/* ============ 文章页主体 ============ */
.article-main{padding:32px 0 8px;}
.breadcrumb-nav{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);margin-bottom:28px;
}
.breadcrumb-nav a{color:var(--muted);}
.breadcrumb-nav a:hover{color:var(--primary);}
.breadcrumb-nav .sep{color:#C3CDD9;}
.breadcrumb-nav .cur{color:var(--text);}
.article-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:40px 44px 36px;
}
.article-head{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:32px;}
.article-head h1{
  font-size:clamp(30px,4.2vw,40px);
  margin:14px 0 18px;
}
.article-head h1.is-long{font-size:32px;}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:14px;color:var(--muted);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C7D1DC;display:inline-block;}
.meta-row a{color:var(--muted);}
.meta-row a:hover{color:var(--primary);}
.meta-row i{color:var(--primary);margin-right:6px;font-size:13px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;color:var(--primary);
  background:rgba(46,108,164,.10);border-radius:999px;padding:4px 12px;line-height:1.6;
}

/* 正文排版 */
.article-body{max-width:780px;font-size:17px;line-height:1.85;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:26px;color:var(--ink);
  margin:1.8em 0 .7em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;width:3px;height:20px;
  border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:20px;color:var(--ink);font-weight:700;margin:1.5em 0 .6em;}
.article-body p{margin:0 0 1.1em;}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.3em;}
.article-body li{margin:.4em 0;}
.article-body blockquote{
  background:var(--primary-soft);border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;padding:16px 20px;margin:1.4em 0;color:var(--ink);font-style:normal;
}
.article-body img{border-radius:12px;margin:1.2em 0;width:100%;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--primary-soft);color:var(--ink);font-weight:700;}
.article-body tr:nth-child(even) td{background:#FAFCFE;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}

/* 标签与分享 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;padding-top:26px;border-top:1px solid var(--line);}
.tag-item{font-size:12px;color:var(--primary);background:rgba(46,108,164,.10);border-radius:999px;padding:5px 14px;}
.tag-item:hover{background:rgba(46,108,164,.18);}
.share-row{display:flex;align-items:center;gap:12px;margin-top:22px;font-size:14px;color:var(--muted);}
.share-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--text);display:inline-flex;align-items:center;justify-content:center;
  transition:all .22s var(--ease);cursor:pointer;
}
.share-btn:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}

/* 空态 */
.empty-state{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px 24px;gap:10px;
}
.empty-state i{font-size:48px;color:#B9C6D4;}
.empty-state h2{font-size:19px;margin:6px 0 0;}
.empty-state p{font-size:14px;color:var(--muted);margin:0 0 12px;}

/* 侧栏 */
.side-sticky{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;
}
.side-card h3{font-size:17px;margin-bottom:16px;}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{padding:12px 0;border-top:1px solid #F0F4F8;}
.side-list li:first-child{border-top:0;padding-top:0;}
.side-list a{font-size:15px;color:var(--text);display:block;line-height:1.6;}
.side-list a:hover{color:var(--primary);}
.side-cta{background:var(--primary-soft);border-color:#D7E6F3;}
.side-cta h3{font-size:17px;}
.side-cta p{font-size:14px;color:#5A6A7C;margin-bottom:16px;}
.side-cta .pg-btn{width:100%;}
.side-contact{font-size:14px;color:var(--text);margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.side-contact span i{color:var(--primary);width:18px;}

/* ============ 板块通用 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:30px;}
.section-head p{font-size:15px;color:var(--muted);margin:8px 0 0;}

/* 卡片 */
.card-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-media{display:block;overflow:hidden;border-radius:12px;margin:12px 12px 0;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;transition:transform .22s var(--ease);}
.card-item:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{font-size:19px;line-height:1.45;}
.card-body h3 a{color:var(--ink);}
.card-body h3 a:hover{color:var(--primary);}
.card-body p{font-size:15px;color:var(--muted);margin:0;line-height:1.75;}
.card-body .text-link{margin-top:auto;font-size:14px;}

/* CTA */
.cta-band{background:var(--primary-soft);padding:72px 0;margin-top:72px;}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;gap:32px;justify-content:space-between;}
.cta-copy{max-width:420px;}
.cta-copy h2{font-size:28px;margin-bottom:10px;}
.cta-copy p{font-size:15px;color:#54657A;margin:0;}
.cta-form{flex:1 1 420px;max-width:520px;}
.form-row{display:flex;gap:12px;flex-wrap:wrap;}
.form-row input[type=text]{
  flex:1 1 200px;height:44px;padding:0 16px;font-size:15px;color:var(--ink);
  background:#fff;border:1px solid #DCE3EC;border-radius:var(--r-btn);outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-row input[type=text]::placeholder{color:#A8B3C1;}
.form-row input[type=text]:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.25);}
.form-privacy{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:#6C7A8A;margin-top:12px;line-height:1.7;}
.form-privacy input{margin-top:4px;}

/* 页脚 */
.site-footer{background:#F4F7FA;border-top:1px solid var(--line);padding:64px 0 24px;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.foot-about{font-size:14px;color:var(--muted);line-height:1.8;max-width:320px;margin:0;}
.foot-col h4{font-size:15px;margin:0 0 16px;}
.foot-col ul{list-style:none;padding:0;margin:0;}
.foot-col li{margin-bottom:10px;}
.foot-col a{font-size:14px;color:var(--text);display:inline-block;transition:color .22s var(--ease),transform .22s var(--ease);}
.foot-col a:hover{color:var(--primary);transform:translateX(2px);}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:var(--text);align-items:flex-start;line-height:1.7;}
.foot-contact i{color:var(--primary);margin-top:4px;}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  border-top:1px solid var(--line);margin-top:48px;padding-top:20px;
  font-size:13px;color:var(--muted);
}

@media (max-width:1399.98px){.wrap{max-width:1140px;}}
@media (max-width:1199.98px){
  .wrap{max-width:960px;}
  .foot-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px;}
  .side-sticky{position:static;}
}
@media (max-width:991.98px){
  .wrap{max-width:720px;padding:0 20px;}
  .section{padding:64px 0;}
  .dock-nav{display:none;}
  .nav-burger{display:inline-flex;}
  .dock{justify-content:space-between;}
  .site-header{padding:12px 16px;}
  .article-shell{padding:28px 24px;}
  .article-head h1,.article-head h1.is-long{font-size:28px;}
  .section-head h2{font-size:24px;}
  .cta-band{padding:56px 0;margin-top:56px;}
  .cta-inner{gap:24px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{padding-top:84px;font-size:16px;}
  .wrap{max-width:100%;padding:0 16px;}
  .search-wrap{display:none;}
  .brand-name{font-size:15px;}
  .section{padding:48px 0;}
  .section-tight{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .article-main{padding-top:20px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .card-body{padding:18px 20px 22px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .cta-copy h2{font-size:22px;}
}

/* roulang page: category3 */
:root{
  --primary:#2E6CA4;
  --primary-deep:#1F4E77;
  --primary-soft:#EAF2F9;
  --accent:#D08A3C;
  --ink:#14202E;
  --body:#4A5768;
  --muted:#7A8798;
  --line:#E5EBF2;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --ok:#2E8B7A;
  --warn:#C9803A;
  --err:#BE4B3F;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,32,46,.04),0 2px 8px rgba(20,32,46,.05);
  --sh-2:0 8px 28px rgba(20,32,46,.09);
  --sh-3:0 12px 36px rgba(20,32,46,.10);
  --ease:220ms 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;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.85;color:var(--body);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),opacity var(--ease);}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:3px solid rgba(46,108,164,.35);outline-offset:2px;border-radius:8px;}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:780px;margin-bottom:40px;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--primary);background:var(--primary-soft);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:14px;}
.sec-head h2{font-size:30px;margin-bottom:12px;}
.sec-head p{font-size:16px;color:var(--muted);}

/* ---------- 顶部 Dock 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;padding:16px 0;transition:padding var(--ease);}
.dock{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  backdrop-filter:blur(8px);
  transition:box-shadow var(--ease),padding var(--ease),background-color var(--ease);
}
.site-header.is-stuck{padding:8px 0;}
.site-header.is-stuck .dock{padding:6px 12px 6px 18px;box-shadow:var(--sh-2);border-bottom-color:#D8E2EC;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  background:var(--primary);color:#fff;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;letter-spacing:.02em;
  font-family:Inter,system-ui,sans-serif;
}
.brand-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.dock-nav .nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--body);padding:6px 0;white-space:nowrap;
}
.dock-nav .nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;background:var(--primary);
  border-radius:2px;transform:translateX(-50%);transition:width var(--ease);
}
.dock-nav .nav-link:hover{color:var(--primary);}
.dock-nav .nav-link:hover::after{width:16px;}
.dock-nav .nav-link.active{color:var(--primary);font-weight:700;}
.dock-nav .nav-link.active::after{width:16px;}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  color:var(--body);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);}
.dock-search{width:0;opacity:0;overflow:hidden;transition:width var(--ease),opacity var(--ease);}
.dock.is-search-open .dock-search{width:200px;opacity:1;}
.dock-search input{
  width:100%;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--bg);
  padding:0 16px;font-size:14px;color:var(--ink);
}
.dock-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.18);}
.burger{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:500;font-size:15px;line-height:1;
  padding:0 22px;height:44px;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{height:36px;font-size:14px;padding:0 16px;border-radius:10px;}
.btn-lg{height:52px;font-size:16px;padding:0 28px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:#D6DFEA;color:var(--ink);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.btn-plain{background:transparent;color:var(--primary);border-color:transparent;}
.btn-plain:hover{background:var(--primary-soft);}
.btn[disabled],.btn.disabled{opacity:.5;pointer-events:none;}
.link-arrow{font-weight:500;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.link-arrow:hover{text-decoration-thickness:2px;}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;background:#fff;z-index:1050;
  display:flex;flex-direction:column;padding:22px 20px 28px;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform var(--ease),opacity var(--ease),visibility var(--ease);
}
.drawer.open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{font-size:20px;line-height:56px;color:var(--ink);font-weight:500;border-bottom:1px solid var(--line);}
.drawer nav a.active{color:var(--primary);font-weight:700;}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
body.locked{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:#C7D2DE;}
.crumbs .now{color:var(--body);font-weight:500;}

/* ---------- Hero ---------- */
.page-main{padding-top:104px;}
.hero{
  background:#fff;border-bottom:1px solid var(--line);
  padding:36px 0 56px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,108,164,.06),rgba(46,108,164,0) 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:1;}
.hero h1{font-size:clamp(30px,4.2vw,46px);margin:16px 0 18px;}
.hero h1 .hl{color:var(--primary-deep);}
.hero-lead{font-size:17px;color:var(--body);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);color:var(--primary-deep);
  border-radius:var(--r-pill);padding:7px 14px;font-size:13px;font-weight:500;
}
.float-tag{
  position:absolute;left:-14px;bottom:22px;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--sh-2);display:flex;flex-direction:column;gap:2px;
}
.float-tag strong{font-size:20px;color:var(--accent);font-family:Inter,system-ui,sans-serif;}
.float-tag span{font-size:12px;color:var(--muted);}

/* ---------- 说明卡 ---------- */
.notice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:20px 24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.notice-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.notice-text{flex:1 1 320px;font-size:15px;color:var(--body);min-width:240px;}
.notice-text strong{color:var(--ink);font-weight:700;}
.chip-line{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary-deep);font-weight:500;white-space:nowrap;
}
.chip.accent{background:rgba(208,138,60,.12);color:#8C5A1F;}

/* ---------- 对比表格 ---------- */
.table-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;margin-top:28px;}
.table-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 24px;border-bottom:1px solid var(--line);
}
.table-head h3{font-size:20px;}
.table-head span{font-size:13px;color:var(--muted);}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.cmp-table{width:100%;min-width:920px;border-collapse:separate;border-spacing:0;font-size:15px;}
.cmp-table thead th{
  background:var(--primary-soft);color:var(--primary-deep);font-weight:700;text-align:left;
  padding:16px 18px;border-bottom:1px solid #D6E3EF;white-space:nowrap;font-size:15px;
}
.cmp-table tbody td{
  padding:15px 18px;border-bottom:1px solid var(--line);color:var(--body);vertical-align:middle;
}
.cmp-table tbody tr:nth-child(even) td{background:#FBFCFE;}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table th:first-child,.cmp-table td:first-child{
  position:sticky;left:0;z-index:2;background:#fff;color:var(--ink);font-weight:500;
  min-width:170px;box-shadow:1px 0 0 var(--line);
}
.cmp-table thead th:first-child{background:var(--primary-soft);z-index:3;}
.cmp-table tbody tr:nth-child(even) td:first-child{background:#FBFCFE;}
.cmp-table td .tag-ok{color:var(--ok);font-weight:500;}
.cmp-table td .num{font-family:Inter,system-ui,sans-serif;color:var(--primary-deep);font-weight:700;}
.scroll-hint{
  display:none;align-items:center;gap:8px;padding:12px 24px;font-size:13px;color:var(--muted);
  background:var(--bg);border-top:1px solid var(--line);
}

/* ---------- 要点卡 2x2 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.point-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8E4F0;}
.point-card .p-ico{
  width:44px;height:44px;border-radius:12px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.point-card h3{font-size:20px;margin-bottom:10px;}
.point-card p{font-size:15px;color:var(--body);margin:0;}

/* ---------- 读表三步 ---------- */
.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);
  position:relative;overflow:hidden;
}
.step-block .step-no{
  font-family:Inter,system-ui,sans-serif;font-size:28px;font-weight:700;color:var(--accent);
  letter-spacing:.02em;display:block;margin-bottom:12px;
}
.step-block h3{font-size:19px;margin-bottom:8px;}
.step-block p{font-size:15px;margin:0;}

/* ---------- 图文两栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2);}
.split h2{font-size:30px;margin-bottom:14px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:16px;color:var(--body);
}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--primary);margin-top:6px;font-size:14px;}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 24px;font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-q .pm{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:3px;
  transition:transform var(--ease),background-color var(--ease),color var(--ease);
}
.faq-item.open .faq-q .pm{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--ease);}
.faq-a-inner{
  margin:0 24px 22px;padding:16px 18px;background:var(--primary-soft);border-radius:12px;
  font-size:15px;line-height:1.8;color:var(--body);
}

/* ---------- 转化条 ---------- */
.cta-band{background:var(--primary-soft);border-top:1px solid #DCE9F5;border-bottom:1px solid #DCE9F5;}
.cta-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:56px 0;
}
.cta-inner h2{font-size:28px;margin-bottom:10px;}
.cta-inner p{font-size:16px;color:var(--body);max-width:460px;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:24px;}
.form-row{display:flex;gap:12px;flex-wrap:wrap;}
.form-row .field{flex:1 1 200px;}
label{display:block;font-size:13px;color:var(--body);margin-bottom:6px;font-weight:500;}
input[type="text"],input[type="tel"],input[type="email"]{
  width:100%;height:44px;border-radius:12px;border:1px solid #DCE3EC;background:#fff;
  padding:0 14px;font-size:15px;color:var(--ink);transition:border-color var(--ease),box-shadow var(--ease);
}
input::placeholder{color:#A7B2C0;}
input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.18);}
.form-note{display:flex;gap:10px;align-items:flex-start;margin-top:14px;font-size:12px;color:var(--muted);line-height:1.7;}
.form-note input{margin-top:3px;}
.form-actions{margin-top:16px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#F4F7FA;border-top:1px solid var(--line);padding:56px 0 0;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-name{font-size:16px;font-weight:700;color:var(--ink);}
.foot-about{font-size:14px;color:var(--muted);max-width:300px;line-height:1.8;}
.foot-col h4{font-size:15px;margin-bottom:16px;color:var(--ink);}
.foot-col li{margin-bottom:10px;}
.foot-col a{font-size:14px;color:var(--body);}
.foot-col a:hover{color:var(--primary);transform:translateX(2px);display:inline-block;}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--body);}
.foot-contact i{color:var(--primary);margin-top:5px;font-size:13px;}
.foot-bottom{
  margin-top:40px;border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .dock{max-width:1140px;}
}
@media (max-width:991px){
  .page-main{padding-top:84px;}
  .dock-nav{display:none;}
  .burger{display:inline-flex;}
  .dock-search{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero{padding:28px 0 44px;}
  .float-tag{left:12px;bottom:12px;}
  .point-grid{grid-template-columns:1fr 1fr;}
  .steps-row{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:28px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:48px 0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:64px 0;}
  .sec-head h2{font-size:26px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .brand-name{font-size:15px;}
  .point-grid{grid-template-columns:1fr;}
  .scroll-hint{display:flex;}
  .section{padding:48px 0;}
  .section-tight{padding:44px 0;}
  .sec-head h2{font-size:24px;}
  .hero h1{font-size:30px;}
  .notice-card{padding:18px 20px;}
  .cmp-table thead th,.cmp-table tbody td{padding:13px 14px;font-size:14px;}
  .faq-q{padding:18px 20px;}
  .faq-a-inner{margin:0 20px 18px;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-inner h2{font-size:24px;}
}
@media (max-width:519px){
  .wrap{padding:0 16px;}
  .dock{padding:8px 10px 8px 14px;gap:12px;}
  .btn-sm{height:36px;padding:0 14px;}
  .hero-actions .btn{width:100%;}
  .foot-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --primary:#2E6CA4;
  --primary-deep:#1F4E77;
  --primary-soft:#EAF2F9;
  --accent:#D08A3C;
  --ink:#14202E;
  --ink-2:#4A5768;
  --ink-3:#7A8798;
  --line:#E5EBF2;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --ok:#2E8B7A;
  --warn:#C9803A;
  --err:#BE4B3F;
  --shadow-1:0 1px 2px rgba(20,32,46,.04), 0 2px 8px rgba(20,32,46,.05);
  --shadow-2:0 8px 28px rgba(20,32,46,.09);
  --shadow-3:0 12px 36px rgba(20,32,46,.10);
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --t:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;letter-spacing:-.01em;margin:0;font-weight:700;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(46,108,164,.35);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sec{padding:88px 0;}
.sec-tight{padding:64px 0;}
.sec-head{margin-bottom:36px;max-width:780px;}
.sec-head h2{font-size:30px;}
.sec-head p{margin-top:12px;font-size:16px;color:var(--ink-2);line-height:1.8;}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--primary);background:var(--primary-soft);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px;}

/* ===== 按钮 ===== */
.btn-main,.btn-line,.btn-soft,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:500;border-radius:var(--r-btn);
  min-height:44px;padding:0 22px;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.btn-main{background:var(--primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-main:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:translateY(0);}
.btn-line{background:#fff;color:var(--ink);border-color:#D6DFEA;}
.btn-line:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-deep);}
.btn-soft{background:var(--primary-soft);color:var(--primary-deep);}
.btn-soft:hover{background:#DCEAF7;color:var(--primary-deep);}
.btn-text{padding:0;min-height:auto;color:var(--primary);border:none;background:none;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.btn-text:hover{color:var(--primary-deep);text-decoration-thickness:2px;}
.btn-sm{min-height:36px;font-size:14px;padding:0 16px;}
.btn-lg{min-height:52px;padding:0 26px;font-size:16px;}
.btn-main[disabled],.btn-line[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

/* ===== 徽章 / 标签 ===== */
.badge-soft{display:inline-flex;align-items:center;font-size:12px;font-weight:500;color:var(--primary);background:rgba(46,108,164,.1);border-radius:var(--r-pill);padding:4px 11px;}
.badge-accent{display:inline-flex;align-items:center;font-size:12px;font-weight:700;color:#8A5A1E;background:rgba(208,138,60,.14);border-radius:var(--r-pill);padding:4px 11px;}
.tag-pill{display:inline-flex;align-items:center;font-size:12px;color:var(--ink-2);background:#F2F5F9;border:1px solid var(--line);border-radius:var(--r-pill);padding:3px 10px;}

/* ===== 浮动 Dock 导航 ===== */
.dock-header{position:fixed;top:16px;left:0;right:0;z-index:1040;padding:0 24px;transition:top var(--t);}
.dock{
  max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--shadow-2);padding:10px 18px;backdrop-filter:blur(6px);
  transition:padding var(--t),box-shadow var(--t),border-color var(--t);
}
.dock-header.is-stuck{top:8px;}
.dock-header.is-stuck .dock{padding:6px 18px;box-shadow:var(--shadow-3);border-color:#DCE4EE;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;letter-spacing:.02em;
  font-family:Inter,system-ui,sans-serif;
}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ink);}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.dock-nav .nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 0;background:none;border:none;
}
.dock-nav .nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:16px;height:2px;border-radius:2px;
  background:var(--primary);transform:translateX(-50%) scaleX(0);transition:transform var(--t);
}
.dock-nav .nav-link:hover,.dock-nav .nav-link.active{color:var(--primary-deep);}
.dock-nav .nav-link:hover::after,.dock-nav .nav-link.active::after{transform:translateX(-50%) scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--t);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);}
.menu-btn{display:none;}
.search-box{width:0;overflow:hidden;transition:width var(--t);}
.search-box.open{width:200px;}
.search-box input{
  width:200px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#F4F7FA;
  padding:0 16px;font-size:14px;color:var(--ink);outline:none;
}
.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.18);background:#fff;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;background:#fff;z-index:1060;
  transform:translateY(-100%);visibility:hidden;opacity:0;transition:transform var(--t),opacity var(--t),visibility var(--t);
  display:flex;flex-direction:column;padding:20px 20px 28px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateY(0);visibility:visible;opacity:1;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{
  font-size:20px;line-height:56px;color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--primary);font-weight:700;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
body.no-scroll{overflow:hidden;}

/* ===== 页面主体预留 ===== */
.page-main{padding-top:104px;}
.crumb{padding:18px 0 0;font-size:14px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{margin:0 8px;color:#C7D1DD;}

/* ===== 矮版 Hero ===== */
.page-hero{padding:28px 0 8px;}
.hero-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:1fr 1fr;align-items:stretch;min-height:320px;
}
.hero-copy{padding:44px 40px;display:flex;flex-direction:column;justify-content:center;}
.hero-copy h1{font-size:clamp(30px,4.2vw,42px);}
.hero-copy .lede{margin-top:16px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:520px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-visual{position:relative;min-height:240px;}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.5),rgba(255,255,255,0));
}
.hero-facts{display:flex;gap:28px;margin-top:26px;flex-wrap:wrap;}
.hero-facts .num{font-size:22px;font-weight:700;color:var(--primary-deep);font-family:Inter,system-ui,sans-serif;}
.hero-facts .lbl{font-size:13px;color:var(--ink-3);}

/* ===== 筛选 + 列表 布局 ===== */
.filter-layout{display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:start;}
.filter-panel{
  position:sticky;top:104px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:22px;
}
.filter-group + .filter-group{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);}
.filter-group h3{font-size:15px;margin-bottom:12px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  font-size:13px;line-height:1;padding:9px 13px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F7FAFC;color:var(--ink-2);cursor:pointer;transition:all var(--t);
}
.chip:hover{border-color:var(--primary);color:var(--primary-deep);}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:500;}
.filter-note{font-size:12px;color:var(--ink-3);margin-top:16px;line-height:1.7;}
.filter-toggle{display:none;}

.list-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px;}
.list-head h2{font-size:24px;}
.list-head .count{font-size:14px;color:var(--ink-3);}
.svc-list{display:flex;flex-direction:column;gap:20px;}
.svc-card{
  display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:20px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D9E4EF;}
.svc-thumb{border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:var(--primary-soft);}
.svc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.svc-card:hover .svc-thumb img{transform:scale(1.04);}
.svc-body h3{font-size:22px;}
.svc-body p{margin-top:10px;font-size:15px;color:var(--ink-2);}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.svc-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:16px;}
.svc-foot .meta{font-size:13px;color:var(--ink-3);}
.svc-arrow{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;transition:all var(--t);
}
.svc-card:hover .svc-arrow{background:var(--primary);color:#fff;border-color:var(--primary);}

/* ===== 适用场景 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.scene-card{
  display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:24px;transition:all var(--t);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.scene-ico{
  width:46px;height:46px;border-radius:14px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 auto;
}
.scene-card h3{font-size:19px;}
.scene-card p{margin-top:8px;font-size:15px;}

/* ===== 步骤条 ===== */
.step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:24px;}
.step-num{font-family:Inter,system-ui,sans-serif;font-size:26px;font-weight:700;color:var(--accent);}
.step-item h3{font-size:18px;margin-top:10px;}
.step-item p{margin-top:8px;font-size:14px;color:var(--ink-2);}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:box-shadow var(--t);}
.faq-item:hover{box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;padding:20px 22px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;
}
.faq-q i{color:var(--primary);transition:transform var(--t);flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t);}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{margin:0 22px 20px;padding:16px 18px;background:var(--primary-soft);border-radius:12px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ===== CTA ===== */
.cta-band{background:var(--primary-soft);border-radius:var(--r-lg);padding:44px;display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;}
.cta-band h2{font-size:26px;}
.cta-band .sub{margin-top:10px;font-size:16px;color:var(--ink-2);}
.cta-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:22px;}
.field-row{display:grid;grid-template-columns:1fr auto;gap:12px;}
.field-row input{
  height:44px;border-radius:var(--r-btn);border:1px solid #DCE3EC;background:#FBFCFE;padding:0 14px;font-size:15px;color:var(--ink);outline:none;width:100%;
}
.field-row input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.22);background:#fff;}
.field-row input::placeholder{color:#A6B2C0;}
.consent{display:flex;align-items:flex-start;gap:8px;margin-top:14px;font-size:12px;color:var(--ink-3);line-height:1.7;}
.consent input{margin-top:4px;}

/* ===== 页脚 ===== */
.site-footer{background:#F4F7FA;border-top:1px solid var(--line);padding:64px 0 24px;margin-top:88px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.foot-about{font-size:14px;color:var(--ink-3);line-height:1.8;max-width:300px;margin:0;}
.foot-col h4{font-size:15px;margin-bottom:14px;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{font-size:14px;color:var(--ink-2);display:inline-block;transition:transform var(--t),color var(--t);}
.foot-col a:hover{color:var(--primary);transform:translateX(2px);}
.foot-contact li{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:var(--ink-2);}
.foot-contact i{color:var(--primary);margin-top:5px;}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--ink-3);
}

/* ===== 响应式 ===== */
@media (max-width:1399px){.wrap{max-width:1140px;}}
@media (max-width:1199px){.wrap{max-width:960px;}}
@media (max-width:991px){
  .dock-nav{display:none;}
  .menu-btn{display:inline-flex;}
  .search-box{display:none;}
  .wrap{max-width:720px;padding:0 20px;}
  .page-main{padding-top:84px;}
  .filter-layout{grid-template-columns:1fr;}
  .filter-toggle{display:inline-flex;margin-bottom:16px;}
  .filter-panel{position:static;display:none;}
  .filter-panel.open{display:block;}
  .hero-card{grid-template-columns:1fr;}
  .hero-copy{padding:32px 26px;}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .step-row{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:1fr;}
  .sec{padding:64px 0;}
  .foot-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 16px;}
  .dock{padding:8px 14px;gap:12px;}
  .brand-name{font-size:15px;}
  .svc-card{grid-template-columns:1fr;gap:16px;padding:16px;}
  .svc-thumb{aspect-ratio:16/9;}
  .sec{padding:48px 0;}
  .sec-head h2{font-size:24px;}
  .list-head h2{font-size:21px;}
  .hero-copy h1{font-size:28px;}
  .step-row{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-band{padding:24px;}
}
@media (max-width:520px){
  .hero-facts{gap:18px;}
  .faq-q{font-size:15px;padding:16px;}
  .faq-a p{margin:0 16px 16px;padding:14px;}
}

/* roulang page: category5 */
:root{
  --primary:#2E6CA4;
  --primary-deep:#1F4E77;
  --primary-soft:#EAF2F9;
  --accent:#D08A3C;
  --title:#14202E;
  --text:#4A5768;
  --muted:#7A8798;
  --line:#E5EBF2;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --ok:#2E8B7A;
  --warn:#C9803A;
  --err:#BE4B3F;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(20,32,46,.04),0 2px 8px rgba(20,32,46,.05);
  --sh2:0 8px 28px rgba(20,32,46,.09);
  --sh3:0 12px 36px rgba(20,32,46,.10);
  --t:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:104px 0 0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--primary-deep);}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;}
input,button{font-size:inherit;}
:focus-visible{outline:3px solid rgba(46,108,164,.35);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media(min-width:1400px){.wrap{max-width:1200px;}}
@media(min-width:1200px) and (max-width:1399px){.wrap{max-width:1140px;}}
@media(min-width:992px) and (max-width:1199px){.wrap{max-width:960px;}}
@media(min-width:768px) and (max-width:991px){.wrap{max-width:720px;padding:0 20px;}}
@media(max-width:767px){.wrap{padding:0 16px;}}

/* ---------- 顶部 Dock ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  padding:16px 0;
  transition:padding var(--t),box-shadow var(--t);
}
.dock{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh2);
  padding:10px 18px;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:height var(--t),box-shadow var(--t),background var(--t);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--primary);color:#fff;
  font:700 14px/32px "Inter",system-ui,sans-serif;
  text-align:center;letter-spacing:.02em;
  flex:0 0 auto;
}
.brand-name{
  font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--title);
  white-space:nowrap;
}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.dock-nav .nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.dock-nav .nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:0;height:2px;background:var(--primary);border-radius:2px;
  transform:translateX(-50%);
  transition:width var(--t);
}
.dock-nav .nav-link:hover,.dock-nav .nav-link.active{color:var(--primary);}
.dock-nav .nav-link:hover::after,.dock-nav .nav-link.active::after{width:16px;}
.dock-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:color var(--t),border-color var(--t),background var(--t);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);}
.dock-search{
  width:0;overflow:hidden;opacity:0;
  transition:width var(--t),opacity var(--t);
}
.dock-search.open{width:200px;opacity:1;}
.dock-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg);
  padding:0 16px;color:var(--title);font-size:14px;
}
.dock-search input::placeholder{color:var(--muted);}
.dock-search input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(46,108,164,.25);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-btn);
  background:var(--primary);color:#fff;font-size:15px;font-weight:500;
  cursor:pointer;
  transition:transform var(--t),background var(--t),box-shadow var(--t);
}
.btn-main:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-main:active{transform:translateY(0);}
.btn-main.sm{height:38px;padding:0 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid #D6DFEA;background:#fff;color:var(--title);
  font-size:15px;font-weight:500;cursor:pointer;
  transition:background var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.burger{
  display:none;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--title);
  align-items:center;justify-content:center;cursor:pointer;
}
.site-header.is-stuck{padding:10px 0;}
.site-header.is-stuck .dock{box-shadow:var(--sh3);border-bottom-color:#DCE3EC;}
.site-header.is-stuck .brand-mark{width:30px;height:30px;line-height:30px;}
.drawer{
  position:fixed;inset:0;z-index:1040;background:#fff;
  padding:88px 20px 32px;
  overflow-y:auto;
}
.drawer[hidden]{display:none;}
.drawer .d-link{
  display:block;font-size:20px;font-weight:500;color:var(--title);
  padding:0 4px;line-height:56px;border-bottom:1px solid var(--line);
}
.drawer .d-link.active,.drawer .d-link:hover{color:var(--primary);}
.drawer .d-actions{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
.drawer .btn-main,.drawer .btn-ghost{width:100%;height:52px;}
.drawer-close{
  position:absolute;top:22px;right:20px;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--title);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
body.no-scroll{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.crumb{
  font-size:13px;color:var(--muted);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:24px 0 0;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#C6D1DD;}
.crumb .cur{color:var(--text);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:#fff;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,108,164,.06),rgba(46,108,164,0) 70%);
  pointer-events:none;
}
.hero-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  padding:40px 0 48px;position:relative;z-index:1;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  color:var(--primary);background:var(--primary-soft);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.hero h1{font-size:clamp(30px,4.2vw,46px);margin-bottom:16px;}
.hero .lead{font-size:16px;color:var(--text);max-width:520px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-media{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh1);
  position:relative;
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,32,46,.06),rgba(20,32,46,.28));
}
.hero-media .media-cap{
  position:absolute;left:16px;bottom:14px;z-index:2;
  color:#fff;font-size:13px;letter-spacing:.02em;
  display:flex;align-items:center;gap:8px;
}
.fallback-img{
  aspect-ratio:16/10;width:100%;
  background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:28px;
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section.soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:40px;}
.section-head .kicker{
  font-size:12px;font-weight:500;letter-spacing:.08em;color:var(--accent);
  text-transform:uppercase;margin-bottom:10px;display:block;
}
.section-head h2{font-size:30px;margin-bottom:12px;}
.section-head p{font-size:16px;color:var(--text);}
@media(max-width:991px){.section{padding:64px 0;}.section-head h2{font-size:26px;}}
@media(max-width:767px){.section{padding:48px 0;}.section-head h2{font-size:24px;}}

/* ---------- 数据条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);
  transition:transform var(--t),box-shadow var(--t);
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.metric .num{
  font-family:"Inter",system-ui,sans-serif;
  font-size:28px;font-weight:700;color:var(--primary-deep);
  letter-spacing:-.02em;line-height:1.2;
}
.metric .num em{font-style:normal;color:var(--accent);}
.metric .lab{font-size:13px;color:var(--muted);margin-top:6px;}

/* ---------- Z 字形图文交错 ---------- */
.zlist{display:flex;flex-direction:column;gap:32px;}
.zcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;
  transition:transform var(--t),box-shadow var(--t);
}
.zcard:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.zcard .zmedia{overflow:hidden;}
.zcard .zmedia img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--t);}
.zcard:hover .zmedia img{transform:scale(1.04);}
.zbody{padding:36px 36px;display:flex;flex-direction:column;justify-content:center;}
.zbody .ztag{
  display:inline-block;width:fit-content;
  font-size:12px;font-weight:500;color:var(--primary);
  background:var(--primary-soft);border-radius:var(--r-pill);
  padding:4px 12px;margin-bottom:14px;
}
.zbody h3{font-size:22px;margin-bottom:12px;}
.zbody p{font-size:15px;color:var(--text);}
.zpoints{display:flex;gap:32px;margin-top:22px;flex-wrap:wrap;}
.zpoint .pnum{
  font-family:"Inter",system-ui,sans-serif;
  font-size:22px;font-weight:700;color:var(--accent);line-height:1.3;
}
.zpoint .plab{font-size:13px;color:var(--muted);}
.zcard.reverse .zmedia{order:2;}
@media(max-width:991px){
  .zcard{grid-template-columns:1fr;}
  .zcard.reverse .zmedia{order:0;}
  .zbody{padding:26px 22px;}
  .zbody h3{font-size:19px;}
}

/* ---------- FAQ ---------- */
.faq-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-h{margin:0;font-size:16px;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:22px 24px;color:var(--title);
  font-size:16px;font-weight:700;line-height:1.5;
  transition:color var(--t),background var(--t);
}
.faq-q:hover{color:var(--primary);background:rgba(234,242,249,.55);}
.faq-q .faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:12px;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:var(--accent);color:#fff;}
.faq-a{
  margin:0 24px 22px;padding:16px 18px;
  background:var(--primary-soft);border-radius:12px;
  font-size:15px;line-height:1.8;color:var(--text);
}
@media(max-width:767px){
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a{margin:0 18px 18px;}
}

/* ---------- CTA 转化条 ---------- */
.cta-band{
  background:var(--primary-soft);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  padding:64px 0;
}
.cta-inner h2{font-size:26px;margin-bottom:12px;}
.cta-inner p{font-size:15px;margin:0;}
.cta-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);
}
.cta-form label{display:block;font-size:13px;color:var(--text);margin-bottom:6px;font-weight:500;}
.cta-form .field{margin-bottom:14px;}
.cta-form input[type="text"],.cta-form input[type="tel"],.cta-form input[type="email"]{
  width:100%;height:44px;border-radius:var(--r-btn);
  border:1px solid #DCE3EC;background:#fff;padding:0 14px;color:var(--title);
  transition:border-color var(--t),box-shadow var(--t);
}
.cta-form input::placeholder{color:#A9B4C2;}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.25);}
.cta-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.cta-form .btn-main{width:100%;height:52px;}
.cta-form .chk{
  display:flex;align-items:flex-start;gap:10px;margin:14px 0 16px;
  font-size:12px;color:var(--muted);line-height:1.7;
}
.cta-form .chk input{margin-top:3px;accent-color:var(--primary);}
@media(max-width:991px){
  .cta-inner{grid-template-columns:1fr;padding:48px 0;}
  .cta-form .row2{grid-template-columns:1fr;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#F4F7FA;border-top:1px solid var(--line);
  padding:64px 0 0;margin-top:0;
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:40px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-name{font-size:16px;font-weight:700;color:var(--title);letter-spacing:.02em;}
.foot-about{font-size:14px;color:var(--muted);max-width:300px;line-height:1.8;margin:0;}
.foot-col h4{font-size:15px;margin-bottom:16px;color:var(--title);}
.foot-col ul li{margin-bottom:10px;}
.foot-col ul li a{font-size:14px;color:var(--text);transition:color var(--t),transform var(--t);display:inline-block;}
.foot-col ul li a:hover{color:var(--primary);transform:translateX(2px);}
.foot-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text);}
.foot-contact i{color:var(--primary);margin-top:5px;font-size:13px;}
.foot-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
@media(max-width:991px){
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:767px){
  .foot-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;}
}

/* ---------- 响应式主体 ---------- */
@media(max-width:991px){
  body{padding-top:84px;}
  .dock-nav{display:none;}
  .burger{display:inline-flex;}
  .dock-search{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:28px;padding:24px 0 40px;}
  .metrics{grid-template-columns:1fr 1fr;}
}
@media(max-width:767px){
  .hero h1{font-size:30px;}
  .metrics{grid-template-columns:1fr;}
  .metric{padding:20px;}
  .zpoints{gap:22px;}
}
@media(max-width:520px){
  .brand-name{font-size:15px;}
  .btn-main.sm{padding:0 14px;}
  .zbody h3{font-size:18px;}
}

/* roulang page: category4 */
:root{
  --primary:#2E6CA4;
  --primary-deep:#1F4E77;
  --primary-soft:#EAF2F9;
  --accent:#D08A3C;
  --ink:#14202E;
  --body:#4A5768;
  --muted:#7A8798;
  --line:#E5EBF2;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --ok:#2E8B7A;
  --warn:#C9803A;
  --err:#BE4B3F;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --shadow-1:0 1px 2px rgba(20,32,46,.04), 0 2px 8px rgba(20,32,46,.05);
  --shadow-2:0 8px 28px rgba(20,32,46,.09);
  --shadow-3:0 12px 36px rgba(20,32,46,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  padding-top:104px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--ink);
  line-height:1.25;
  letter-spacing:-.01em;
  font-weight:700;
}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--primary-deep);}
img{max-width:100%;display:block;border-radius:12px;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:3px solid rgba(46,108,164,.35);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:1399px){ .wrap{max-width:1140px;} }
@media (max-width:1199px){ .wrap{max-width:960px;} }
@media (max-width:991px){ .wrap{max-width:720px;padding:0 20px;} }
@media (max-width:767px){ .wrap{max-width:100%;padding:0 16px;} }

.section{padding:88px 0;}
@media (max-width:991px){ .section{padding:64px 0;} }
@media (max-width:767px){ .section{padding:48px 0;} }

.sec-head{max-width:780px;margin-bottom:40px;}
.sec-head h2{font-size:30px;margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:16px;line-height:1.8;}
@media (max-width:767px){
  .sec-head h2{font-size:24px;}
  .sec-head{margin-bottom:28px;}
}

/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{
  position:fixed;
  top:16px;left:0;right:0;
  z-index:1030;
  padding:0 16px;
  transition:top .22s var(--ease);
}
.dock{
  max-width:1180px;
  margin:0 auto;
  height:68px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 12px 0 18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-2);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  transition:height .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.site-header.is-stuck .dock{
  height:56px;
  box-shadow:var(--shadow-3);
  border-color:#DCE3EC;
}
.dock-brand{
  display:flex;align-items:center;gap:10px;
  flex:0 0 auto;color:var(--ink);
  font-weight:700;font-size:16px;letter-spacing:.02em;
}
.dock-brand:hover{color:var(--primary-deep);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  flex:0 0 auto;
}
.dock-nav{display:flex;align-items:center;gap:26px;margin:0 auto;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--body);
  padding:6px 0;
  white-space:nowrap;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:0;height:2px;border-radius:2px;
  background:var(--primary);
  transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:16px;}
.nav-link.active{color:var(--primary-deep);font-weight:700;}
.nav-link.active::after{width:16px;}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--body);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;
  transition:all .22s var(--ease);
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.dock-search{width:0;overflow:hidden;transition:width .22s var(--ease);}
.dock.is-search-open .dock-search{width:200px;}
.dock-search input{
  width:100%;height:38px;padding:0 16px;
  border-radius:999px;border:1px solid #DCE3EC;
  background:var(--bg);font-size:14px;color:var(--ink);
}
.dock-search input::placeholder{color:var(--muted);}
.dock-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.18);background:#fff;}
.drawer-toggle{display:none;}

@media (max-width:991px){
  .dock-nav{display:none;}
  .dock-search{display:none;}
  .drawer-toggle{display:inline-flex;}
  .dock-brand{font-size:15px;}
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:1050;
  background:#fff;
  padding:92px 20px 40px;
  overflow-y:auto;
  opacity:0;transform:translateY(-8px);
  pointer-events:none;
  transition:opacity .22s var(--ease), transform .22s var(--ease);
}
.drawer.open{opacity:1;transform:none;pointer-events:auto;}
.drawer a.drawer-link{
  display:block;font-size:20px;line-height:56px;
  color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.active{color:var(--primary-deep);font-weight:700;}
.drawer-btns{display:flex;flex-direction:column;gap:12px;margin-top:28px;}
.drawer-close{
  position:absolute;top:24px;right:20px;
  width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:flex;align-items:center;justify-content:center;
}
body.lock{overflow:hidden;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  font-size:15px;font-weight:500;line-height:1;
  border-radius:var(--r-btn);border:1px solid transparent;
  transition:all .22s var(--ease);
  white-space:nowrap;
  text-align:center;
}
.btn-main{background:var(--primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-main:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:translateY(0);}
.btn-line{background:#fff;border-color:#D6DFEA;color:var(--ink);}
.btn-line:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-deep);}
.btn-ghost{background:transparent;color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);}
.btn-lg{height:52px;font-size:16px;padding:0 28px;}
.btn-sm{height:32px;font-size:13px;padding:0 14px;border-radius:10px;}
.btn:disabled,.btn.is-disabled{opacity:.5;pointer-events:none;}
.link-more{
  color:var(--primary);font-size:15px;font-weight:500;
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
}
.link-more:hover{text-decoration-thickness:2px;}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  background:rgba(46,108,164,.10);color:var(--primary-deep);
  font-size:12px;font-weight:500;letter-spacing:.02em;
}
.badge-accent{background:rgba(208,138,60,.14);color:#9C6423;}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-deep);
  font-size:12px;
}
.tag-line{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:18px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#C3CDDA;}
.crumb .current{color:var(--body);}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;
  background:#fff;
  padding:36px 0 72px;
  overflow:hidden;
}
.hero-cat::after{
  content:"";
  position:absolute;right:-140px;bottom:-180px;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle, rgba(46,108,164,.07) 0%, rgba(46,108,164,0) 68%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:6fr 6fr;
  gap:48px;align-items:center;
}
.hero-cat h1{
  font-size:clamp(30px,4.2vw,46px);
  margin:14px 0 16px;
}
.hero-lead{
  font-size:17px;color:var(--body);
  max-width:560px;line-height:1.85;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;
  margin:22px 0 26px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  aspect-ratio:16/10;
}
.hero-media img{
  width:100%;height:100%;object-fit:cover;border-radius:0;
  transition:transform .22s var(--ease);
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(31,78,119,.10) 0%, rgba(31,78,119,.22) 100%);
}
.media-tag{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.94);
  border-radius:999px;padding:8px 16px;
  font-size:13px;font-weight:500;color:var(--primary-deep);
  box-shadow:var(--shadow-1);
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-cat{padding:20px 0 48px;}
  .hero-media{aspect-ratio:16/9;}
}

/* ---------- 时间线 ---------- */
.timeline-section{background:var(--bg);}
.timeline{
  position:relative;
  padding:8px 0 0;
}
.timeline::before{
  content:"";position:absolute;
  left:50%;top:18px;bottom:18px;width:2px;
  background:linear-gradient(180deg, var(--primary-soft) 0%, var(--line) 55%, var(--primary-soft) 100%);
  transform:translateX(-50%);
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:1fr 88px 1fr;
  align-items:start;
  margin-bottom:28px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-card{
  grid-column:1;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tl-item:nth-child(even) .tl-card{grid-column:3;}
.tl-node{
  grid-column:2;
  justify-self:center;
  align-self:start;
  margin-top:26px;
  width:40px;height:40px;border-radius:50%;
  background:var(--primary);
  border:6px solid #fff;
  box-shadow:0 0 0 1px var(--line), var(--shadow-1);
  position:relative;z-index:2;
}
.tl-num{
  display:block;
  font-family:Inter,system-ui,sans-serif;
  font-size:28px;font-weight:700;line-height:1;
  color:var(--accent);
  letter-spacing:.02em;
  margin-bottom:10px;
}
.tl-card h3{font-size:22px;margin-bottom:12px;}
.tl-card p{font-size:16px;color:var(--body);line-height:1.85;}
.tl-out{
  margin-top:16px;padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:14px;color:var(--muted);
  display:flex;align-items:center;gap:8px;
}
.tl-out i{color:var(--primary);font-size:13px;}
@media (max-width:991px){
  .timeline::before{left:20px;transform:none;}
  .tl-item{grid-template-columns:40px 1fr;gap:16px;margin-bottom:20px;}
  .tl-node{grid-column:1;margin-top:24px;}
  .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:2;}
  .tl-card{padding:20px;}
  .tl-card h3{font-size:19px;}
  .tl-num{font-size:24px;}
}

/* ---------- 保障小条 ---------- */
.guard-bar{
  background:var(--primary-soft);
  border-top:1px solid #DCE9F4;
  border-bottom:1px solid #DCE9F4;
  padding:40px 0;
}
.guard-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.guard-list{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;flex:1 1 620px;
}
.guard-item{display:flex;align-items:flex-start;gap:12px;}
.guard-item i{
  width:34px;height:34px;border-radius:10px;
  background:#fff;color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;flex:0 0 auto;
  box-shadow:var(--shadow-1);
}
.guard-item strong{display:block;font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;}
.guard-item span{display:block;font-size:14px;color:var(--body);line-height:1.6;}
.guard-cta{flex:0 0 auto;}
@media (max-width:991px){
  .guard-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
}
@media (max-width:575px){
  .guard-list{grid-template-columns:1fr;}
  .guard-cta{width:100%;}
  .guard-cta .btn{width:100%;}
}

/* ---------- 准备清单（左图右文） ---------- */
.prep-grid{
  display:grid;grid-template-columns:5fr 7fr;
  gap:56px;align-items:center;
}
.prep-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  aspect-ratio:4/3;
}
.prep-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.prep-list li{
  display:flex;gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.prep-list li:last-child{border-bottom:none;}
.prep-list .idx{
  flex:0 0 auto;
  width:28px;height:28px;border-radius:8px;
  background:var(--primary-soft);color:var(--primary-deep);
  font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-top:5px;
  font-family:Inter,system-ui,sans-serif;
}
.prep-list strong{display:block;font-size:17px;color:var(--ink);font-weight:700;margin-bottom:4px;}
.prep-list p{font-size:15px;color:var(--body);line-height:1.75;margin:0;}
@media (max-width:991px){
  .prep-grid{grid-template-columns:1fr;gap:28px;}
  .prep-media{aspect-ratio:16/9;}
}

/* ---------- 处理规则横条卡 ---------- */
.rules-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.rule-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 24px 24px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.rule-card::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;
  width:3px;border-radius:0 3px 3px 0;
  background:var(--primary);
}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6E4F1;}
.rule-card h3{font-size:19px;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.rule-card h3 i{color:var(--accent);font-size:16px;}
.rule-card p{font-size:16px;color:var(--body);}
@media (max-width:767px){
  .rules-grid{grid-template-columns:1fr;}
}

/* ---------- CTA 转化条 ---------- */
.cta-band{
  background:var(--primary-soft);
  border-top:1px solid #DCE9F4;
  border-bottom:1px solid #DCE9F4;
  padding:72px 0;
}
.cta-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:56px;align-items:center;
}
.cta-grid h2{font-size:30px;margin-bottom:14px;}
.cta-grid .cta-desc{font-size:16px;color:var(--body);margin-bottom:22px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-2);
}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:13px;color:var(--body);margin-bottom:8px;}
.form-row input{
  width:100%;height:44px;padding:0 14px;
  border:1px solid #DCE3EC;border-radius:var(--r-btn);
  background:#fff;font-size:15px;color:var(--ink);
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.form-row input::placeholder{color:#A9B4C2;}
.form-row input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,108,164,.25);}
.form-check{
  display:flex;align-items:flex-start;gap:10px;
  font-size:12px;color:var(--muted);line-height:1.7;margin:6px 0 20px;
}
.form-check input{width:16px;height:16px;margin-top:3px;accent-color:var(--primary);flex:0 0 auto;}
.form-card .btn{width:100%;}
@media (max-width:991px){
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:56px 0;}
  .cta-grid h2{font-size:24px;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#F4F7FA;
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.foot-about{font-size:14px;color:var(--body);line-height:1.8;max-width:280px;}
.foot-col h4{font-size:15px;color:var(--ink);margin-bottom:16px;font-weight:700;}
.foot-col ul li{margin-bottom:10px;}
.foot-col ul li a{font-size:14px;color:var(--body);display:inline-block;transition:color .22s var(--ease), transform .22s var(--ease);}
.foot-col ul li a:hover{color:var(--primary);transform:translateX(2px);}
.foot-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--body);margin-bottom:12px;}
.foot-contact i{color:var(--primary);margin-top:5px;font-size:13px;}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:var(--muted);
}
@media (max-width:991px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .foot-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 24px;}
}