/* roulang page: index */
:root{
  --c-primary:#F2622E;
  --c-primary-deep:#D24A18;
  --c-primary-soft:#FFEDE4;
  --c-secondary:#16776B;
  --c-secondary-deep:#0F5A50;
  --c-accent:#FFC24B;
  --c-bg:#FBF6EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EDE2;
  --c-ink:#1C1A17;
  --c-ink-2:#5A534B;
  --c-ink-3:#9A9086;
  --c-line:#EADFCE;
  --c-success:#2E9E63;
  --c-warn:#D0453B;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(28,26,23,.05);
  --shadow-2:0 12px 28px -14px rgba(28,26,23,.22);
  --container:1200px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-secondary-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-secondary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--c-surface-2);}
.section-line{border-top:1px solid var(--c-line);}

/* ---------- 顶部倒计时通栏 ---------- */
.topbar{background:var(--c-secondary-deep);color:#F4EFE7;font-size:13px;}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:46px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap;
}
.topbar-label{display:flex;align-items:center;gap:8px;font-weight:600;letter-spacing:.02em;}
.topbar-label i{color:var(--c-accent);}
.countdown{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;}
.cd-block{
  display:flex;align-items:baseline;gap:4px;background:rgba(255,255,255,.1);
  border-radius:var(--radius-sm);padding:3px 10px;
}
.cd-num{font-size:16px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.cd-unit{font-size:12px;color:#D9CFC0;}
.cd-block.is-tick{animation:cdPulse 1s ease-in-out infinite;}
@keyframes cdPulse{0%,100%{background:rgba(255,194,75,.12);}50%{background:rgba(255,194,75,.3);}}
.topbar-link{
  display:inline-flex;align-items:center;gap:6px;color:#FBF6EE;
  border:1px solid rgba(251,246,238,.5);border-radius:var(--radius-pill);
  padding:5px 14px;font-size:13px;transition:.2s ease;
}
.topbar-link:hover{background:#FBF6EE;color:var(--c-secondary-deep);border-color:#FBF6EE;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px -12px rgba(28,26,23,.35);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--c-ink);letter-spacing:-.01em;}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);
  display:grid;place-items:center;color:#fff;font-size:16px;flex:0 0 auto;
  box-shadow:0 6px 14px -8px rgba(242,98,46,.9);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--c-ink-3);letter-spacing:.14em;}
.nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;color:var(--c-ink);font-weight:500;font-size:15.5px;padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--c-primary);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{font-weight:600;color:var(--c-primary);}
.nav-link.is-active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);font-weight:600;font-size:15px;
  padding:13px 28px;transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1.5px solid transparent;text-align:center;line-height:1.2;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px -12px rgba(242,98,46,.95);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-secondary);color:var(--c-secondary-deep);}
.btn-ghost:hover{background:var(--c-secondary);color:#fff;}
.btn-light{background:#fff;color:var(--c-secondary-deep);border-color:transparent;}
.btn-light:hover{background:var(--c-accent);color:var(--c-ink);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
.btn-block{width:100%;}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  place-items:center;font-size:19px;color:var(--c-ink);
}
.burger:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,26,23,.45);opacity:0;visibility:hidden;
  transition:.25s ease;z-index:200;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--c-surface);
  z-index:210;transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);display:grid;place-items:center;font-size:18px;}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-nav a{
  font-size:17px;font-weight:600;color:var(--c-ink);padding:14px 12px;border-radius:var(--radius-md);
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.drawer-foot{padding-top:18px;border-top:1px solid var(--c-line);margin-top:18px;}
body.is-locked{overflow:hidden;}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:linear-gradient(180deg,#FFF8F1 0%,var(--c-bg) 100%);
  padding:64px 0 72px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,98,46,.16),rgba(242,98,46,0) 68%);
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:600;border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:18px;
}
h1{
  font-size:clamp(30px,4vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  margin-bottom:16px;
}
h1 .hl{color:var(--c-primary-deep);}
.hero-sub{font-size:17px;color:var(--c-ink-2);max-width:36em;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{
  display:flex;align-items:center;gap:0;flex-wrap:wrap;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:16px 6px;
}
.stat{padding:0 22px;border-right:1px solid var(--c-line);flex:1 1 0;min-width:120px;}
.stat:last-child{border-right:0;}
.stat-num{font-size:24px;font-weight:800;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num span{font-size:14px;font-weight:700;color:var(--c-ink-2);margin-left:2px;}
.stat-label{font-size:13px;color:var(--c-ink-3);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-md);
  box-shadow:var(--shadow-2);
}
.hero-badge{
  position:absolute;left:-14px;top:22px;background:var(--c-accent);color:#1C1A17;
  font-size:12.5px;font-weight:700;border-radius:6px;padding:7px 12px;
  box-shadow:0 8px 18px -10px rgba(28,26,23,.6);
}
.hero-note{
  position:absolute;right:16px;bottom:16px;background:rgba(28,26,23,.78);color:#FBF6EE;
  font-size:13px;border-radius:var(--radius-sm);padding:8px 12px;backdrop-filter:blur(4px);
}

/* ---------- 区块标题 ---------- */
.section-head{margin-bottom:40px;max-width:760px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--c-primary-deep);
  text-transform:uppercase;margin-bottom:10px;
}
h2{font-size:clamp(22px,2.6vw,33px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-bottom:12px;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
.section-desc{color:var(--c-ink-2);font-size:15.5px;}
.head-flex{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- 活动卖点 ---------- */
.perk-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 40px;}
.perk{
  display:flex;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.perk:nth-child(even){transform:translateY(20px);}
.perk:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.perk:nth-child(even):hover{transform:translateY(18px);box-shadow:var(--shadow-2);}
.perk-num{
  flex:0 0 auto;width:46px;height:46px;border-radius:var(--radius-sm);background:var(--c-primary-soft);
  color:var(--c-primary-deep);font-weight:800;font-size:18px;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.perk h3{margin-bottom:6px;font-size:18px;}
.perk p{color:var(--c-ink-2);font-size:14.5px;line-height:1.7;}

/* ---------- 亮点图墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;}
.g-item{position:relative;overflow:hidden;border-radius:var(--radius-md);background:var(--c-surface-2);}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.g-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(28,26,23,0) 40%,rgba(28,26,23,.72) 100%);
  opacity:0;transition:opacity .3s ease;
}
.g-item:hover img{transform:scale(1.04);}
.g-item:hover::after{opacity:1;}
.g-cap{
  position:absolute;left:16px;bottom:14px;right:16px;color:#fff;z-index:2;
  opacity:0;transform:translateY(8px);transition:.3s ease;
}
.g-item:hover .g-cap{opacity:1;transform:translateY(0);}
.g-cap strong{display:block;font-size:15px;font-weight:600;}
.g-cap span{font-size:12.5px;color:#E8DED0;}
.g-arrow{position:absolute;right:14px;bottom:14px;color:var(--c-accent);z-index:2;opacity:0;transition:.3s ease;}
.g-item:hover .g-arrow{opacity:1;}
.g-1{grid-column:span 7;height:340px;}
.g-2{grid-column:span 5;height:340px;}
.g-3{grid-column:span 4;height:230px;}
.g-4{grid-column:span 4;height:230px;}
.g-5{grid-column:span 4;height:230px;}
.g-6{grid-column:span 6;height:250px;}
.g-7{grid-column:span 6;height:250px;}
.g-split{align-items:stretch;}

/* ---------- 报名 CTA ---------- */
.cta-band{background:var(--c-secondary);color:#F6F1E8;}
.cta-band .section{padding:88px 0;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.cta-band h2{color:#fff;}
.cta-band .section-tag{color:var(--c-accent);}
.cta-band .section-desc{color:rgba(246,241,232,.85);}
.form-card{background:var(--c-surface);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-2);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-ink);}
.field .req{color:var(--c-warn);margin-left:4px;}
.field input,.field select{
  width:100%;height:50px;border:1.5px solid var(--c-line);border-radius:10px;background:#fff;
  padding:0 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{
  width:100%;min-height:96px;border:1.5px solid var(--c-line);border-radius:10px;background:#fff;
  padding:12px 14px;font-size:15px;resize:vertical;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-secondary);box-shadow:0 0 0 3px rgba(22,119,107,.16);
}
.field.is-error input,.field.is-error select{border-color:var(--c-warn);}
.field.is-error input:focus,.field.is-error select:focus{box-shadow:0 0 0 3px rgba(208,69,59,.16);}
.field-msg{font-size:13px;color:var(--c-warn);margin-top:6px;display:none;}
.field.is-error .field-msg{display:block;}
.field.is-ok input,.field.is-ok select{border-color:var(--c-success);}
.form-tip{font-size:13px;color:var(--c-ink-3);margin-top:12px;}
.form-alert{
  display:none;margin-top:16px;border-radius:10px;padding:12px 14px;font-size:14px;
  background:#E9F6EF;color:#1F6B45;border:1px solid #BEE3CF;
}
.form-alert.is-show{display:block;}
.benefit-list{display:flex;flex-direction:column;gap:18px;margin-top:8px;}
.benefit{
  display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-md);padding:18px 20px;
}
.benefit i{color:var(--c-accent);font-size:9px;margin-top:9px;}
.benefit strong{display:block;color:#fff;font-size:16px;margin-bottom:4px;}
.benefit p{color:rgba(246,241,232,.85);font-size:14px;line-height:1.7;}
.cta-note{margin-top:20px;font-size:13.5px;color:rgba(246,241,232,.75);}

/* ---------- 资讯列表 ---------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px;}
.chip{
  border-radius:var(--radius-pill);padding:8px 18px;font-size:14px;font-weight:500;
  border:1.5px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);transition:.2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-deep);}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.news-cover{display:block;overflow:hidden;background:var(--c-surface-2);}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease;}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.badge{
  display:inline-block;font-size:12px;font-weight:600;border-radius:6px;padding:4px 10px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);margin-bottom:12px;align-self:flex-start;
}
.badge-warm{background:var(--c-accent);color:#1C1A17;}
.news-title{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.news-title a{color:var(--c-ink);}
.news-title a:hover{color:var(--c-primary-deep);}
.news-sum{
  color:var(--c-ink-2);font-size:14.5px;line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}
.read-link{font-size:13.5px;font-weight:600;color:var(--c-primary-deep);display:inline-flex;align-items:center;gap:6px;}
.read-link:hover{gap:9px;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--radius-lg);color:var(--c-ink-2);
}
.empty-state i{font-size:26px;color:var(--c-ink-3);display:block;margin-bottom:12px;}

/* ---------- 证据 / 数据 ---------- */
.proof-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.proof{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-1);
}
.proof-num{font-size:30px;font-weight:800;color:var(--c-secondary-deep);font-variant-numeric:tabular-nums;line-height:1.1;}
.proof-num span{font-size:15px;font-weight:700;color:var(--c-ink-2);margin-left:3px;}
.proof p{margin-top:8px;color:var(--c-ink-2);font-size:14px;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start;}
.faq-side{position:sticky;top:96px;}
.faq-side .section-desc{margin-top:12px;}
.faq-side-card{
  margin-top:24px;background:var(--c-primary-soft);border-radius:var(--radius-lg);padding:20px;
  font-size:14px;color:var(--c-primary-deep);line-height:1.75;
}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--c-surface-2);border-radius:var(--radius-md);overflow:hidden;border:1px solid transparent;transition:.2s ease;}
.faq-item.is-open{background:var(--c-surface);border-color:var(--c-line);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary-deep);}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--c-surface);
  display:grid;place-items:center;font-size:12px;color:var(--c-primary-deep);
  transition:transform .25s ease;border:1px solid var(--c-line);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{
  padding:0 22px 20px 22px;color:var(--c-ink-2);font-size:15px;line-height:1.8;
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a-inner{border-left-color:var(--c-primary);margin-left:22px;padding-left:18px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#CFC6B8;padding:64px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-text small{color:var(--c-ink-3);}
.footer-brand p{color:#B8AEA1;line-height:1.8;font-size:14px;max-width:32em;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:#B8AEA1;}
.footer-contact i{color:var(--c-accent);width:18px;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:#B8AEA1;}
.footer-links a:hover{color:var(--c-accent);}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-tags span{
  font-size:12.5px;border:1px solid rgba(251,246,238,.22);border-radius:var(--radius-pill);
  padding:4px 12px;color:#B8AEA1;
}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(251,246,238,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .hero-grid{gap:40px;}
  .g-1,.g-2{height:300px;}
  .faq-layout{grid-template-columns:280px 1fr;gap:36px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .nav{display:none;}
  .header-cta{display:none;}
  .burger{display:grid;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media img{aspect-ratio:16/9;}
  .perk-grid{grid-template-columns:1fr;gap:18px;}
  .perk:nth-child(even),.perk:nth-child(even):hover{transform:none;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .proof-row{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .container{padding:0 20px;}
  body{font-size:15.5px;line-height:1.8;}
  .topbar-inner{justify-content:center;gap:10px;padding:8px 0;}
  .topbar-label{font-size:12px;}
  .cd-block{padding:2px 8px;}
  .cd-num{font-size:15px;}
  .cd-unit{font-size:11px;}
  .hero{padding:44px 0 52px;}
  .hero-stats{padding:14px 0;}
  .stat{padding:0 14px;min-width:50%;flex:1 1 50%;border-right:0;margin-bottom:12px;}
  .stat:nth-child(odd){border-right:1px solid var(--c-line);}
  .stat:nth-child(3),.stat:nth-child(4){margin-bottom:0;}
  .hero-badge{left:10px;top:12px;}
  .gallery{gap:12px;}
  .g-1,.g-2{grid-column:span 12;height:220px;}
  .g-3,.g-4,.g-5{grid-column:span 6;height:150px;}
  .g-6,.g-7{grid-column:span 12;height:190px;}
  .news-grid{grid-template-columns:1fr;}
  .proof-row{grid-template-columns:1fr;}
  .cta-band .section{padding:52px 0;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item.is-open .faq-a-inner{margin-left:16px;padding-left:14px;}
}
@media (max-width:480px){
  .logo{font-size:18px;}
  .btn{padding:12px 22px;font-size:14.5px;}
  .hero-actions .btn{width:100%;}
  .g-3,.g-4,.g-5{grid-column:span 12;height:180px;}
}

/* roulang page: article */
:root{
  --c-primary:#F2622E;
  --c-primary-deep:#D24A18;
  --c-primary-soft:#FFEDE4;
  --c-secondary:#16776B;
  --c-secondary-deep:#0F5A50;
  --c-accent:#FFC24B;
  --c-bg:#FBF6EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EDE2;
  --c-ink:#1C1A17;
  --c-ink-2:#5A534B;
  --c-ink-3:#9A9086;
  --c-line:#EADFCE;
  --c-success:#2E9E63;
  --c-warn:#D0453B;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,26,23,.05);
  --sh-2:0 12px 28px -14px rgba(28,26,23,.22);
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-secondary-deep);text-decoration:none}
a:hover{color:var(--c-primary-deep)}
h1,h2,h3,h4{margin:0;line-height:1.28;color:var(--c-ink)}
p{margin:0}
ul,ol{margin:0}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sp-section) 0}
.section-tight{padding:64px 0}
:focus-visible{outline:2px solid var(--c-secondary);outline-offset:2px;border-radius:4px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(28,26,23,.55)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;font-size:19px;letter-spacing:-.01em;line-height:1.15}
.logo:hover{color:var(--c-ink)}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:15px;
  box-shadow:0 8px 16px -10px rgba(242,98,46,.95);
}
.logo-text{display:block}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--c-ink-3);letter-spacing:.06em}
.nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--c-ink);transition:color .2s ease}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left center;transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);
  border-radius:var(--r-sm);padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;margin:3px auto;transition:transform .25s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;text-align:center;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 12px 22px -16px rgba(242,98,46,1)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:transparent;border-color:var(--c-secondary);color:var(--c-secondary-deep)}
.btn-secondary:hover{background:var(--c-secondary);color:#fff}
.btn-light{background:#fff;color:var(--c-secondary-deep)}
.btn-light:hover{background:var(--c-accent);color:var(--c-ink)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-sm{padding:11px 22px;font-size:14px}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:6px;font-size:12px;font-weight:600;line-height:1.4;
}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.badge-accent{background:var(--c-accent);color:#3A2A08}
.badge-green{background:rgba(22,119,107,.12);color:var(--c-secondary-deep)}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,26,23,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;z-index:80;height:100%;width:82vw;max-width:360px;
  background:var(--c-surface);padding:22px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .3s ease;box-shadow:-18px 0 40px -30px rgba(28,26,23,.7);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink)}
.drawer a.drawer-link{
  display:block;padding:14px 4px;font-size:17px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer a.drawer-link.is-active{color:var(--c-primary)}
.drawer .btn{margin-top:18px;width:100%}

/* ============ 面包屑 / 文章头 ============ */
.article-hero{
  background:
    radial-gradient(900px 320px at 88% -20%,rgba(255,194,75,.28),transparent 70%),
    linear-gradient(180deg,#FFF9F2 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding:36px 0 52px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:20px}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb a:hover{color:var(--c-primary-deep)}
.breadcrumb .sep{color:var(--c-ink-3)}
.breadcrumb .current{max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-ink-3)}
.article-hero .badge{margin-bottom:14px}
.article-hero h1{
  font-size:clamp(28px,3.6vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  max-width:22ch;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:22px;font-size:13px;color:var(--c-ink-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line)}
.article-meta .kv{display:inline-flex;align-items:center;gap:6px}
.article-hero .lede{
  margin-top:18px;max-width:64ch;font-size:16px;line-height:1.8;color:var(--c-ink-2);
}

/* ============ 正文 ============ */
.article-wrap{padding:56px 0 72px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
.reading-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:40px;max-width:820px;margin:0 auto;
}
.article-body{font-size:16px;line-height:1.85;color:var(--c-ink-2)}
.article-body > * + *{margin-top:16px}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;color:var(--c-ink);
  line-height:1.35;padding-left:14px;margin-top:38px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--c-primary);
}
.article-body h2 + *{margin-top:14px}
.article-body h3{font-size:19px;font-weight:600;color:var(--c-ink);margin-top:26px}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-ink);margin-top:22px}
.article-body p{margin:0}
.article-body ul,.article-body ol{padding-left:22px}
.article-body li{margin:8px 0}
.article-body ul li::marker{color:var(--c-primary)}
.article-body ol li::marker{color:var(--c-primary-deep);font-weight:700}
.article-body a{color:var(--c-secondary-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-primary-deep)}
.article-body blockquote{
  margin:22px 0;padding:16px 18px;background:var(--c-surface-2);
  border-left:3px solid var(--c-secondary);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--c-ink);
}
.article-body img{border-radius:var(--r-md);margin:22px auto;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{margin-top:8px;font-size:13px;color:var(--c-ink-3);text-align:center}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  border:1px solid var(--c-line);font-size:15px;margin:22px 0;
}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body thead th{background:var(--c-surface-2);color:var(--c-ink);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(244,237,226,.6)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}
.article-body strong{color:var(--c-ink)}

/* ============ 空态 ============ */
.empty-state{text-align:center;padding:34px 12px}
.empty-state i{font-size:38px;color:var(--c-primary);margin-bottom:14px;display:block}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--c-ink-2);max-width:44ch;margin:0 auto 22px}

/* ============ 文末标签 / 返回 ============ */
.article-foot{
  max-width:820px;margin:26px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary-deep);background:var(--c-primary-soft)}

/* ============ 相关推荐 ============ */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-title{font-size:clamp(22px,2.4vw,32px);font-weight:700;letter-spacing:-.01em}
.section-sub{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:60ch}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#E0D2BC}
.card-cover{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-cover img{transform:scale(1.04)}
.card-cover .badge{position:absolute;left:12px;top:12px}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5}
.card-body h3 a{color:var(--c-ink)}
.card-body h3 a:hover{color:var(--c-primary-deep)}
.card-body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.7}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-3)}

/* ============ CTA ============ */
.cta-band{background:var(--c-secondary);color:#fff;padding:64px 0}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,32px);font-weight:700;max-width:24ch}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.86);font-size:15.5px;max-width:56ch}
.cta-inner{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:center}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-text small{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);max-width:40ch}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--c-accent);margin-right:8px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--c-accent);padding-left:3px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{
  font-size:12px;padding:5px 10px;border-radius:6px;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);
}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  :root{--sp-section:76px}
  .nav{gap:22px}
  .related-grid{gap:20px}
}
@media (max-width:991px){
  .nav{display:none}
  .nav-toggle{display:grid}
  .header-actions .btn-sm{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{justify-content:flex-start}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .reading-card{padding:32px}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  .container{padding:0 20px}
  body{font-size:15.5px;line-height:1.8}
  .header-inner{height:64px;gap:12px}
  .logo{font-size:17px}
  .logo-text small{display:none}
  .article-hero{padding:24px 0 36px}
  .article-hero h1{font-size:28px;max-width:none}
  .breadcrumb{font-size:12.5px}
  .breadcrumb .current{max-width:32ch}
  .article-wrap{padding:32px 0 48px}
  .reading-card{padding:20px;border-radius:var(--r-md)}
  .article-body h2{font-size:22px;margin-top:30px}
  .article-body h3{font-size:18px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .cta-band{padding:44px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .section-head{margin-bottom:24px}
}
@media (max-width:480px){
  .btn{padding:13px 22px;width:100%}
  .btn-sm{width:auto;padding:11px 18px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .article-meta{gap:8px 12px}
}

/* roulang page: category1 */
:root{
  --c-primary:#F2622E;
  --c-primary-deep:#D24A18;
  --c-primary-soft:#FFEDE4;
  --c-secondary:#16776B;
  --c-secondary-deep:#0F5A50;
  --c-accent:#FFC24B;
  --c-bg:#FBF6EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EDE2;
  --c-ink:#1C1A17;
  --c-ink-2:#5A534B;
  --c-ink-3:#9A9086;
  --c-line:#EADFCE;
  --c-success:#2E9E63;
  --c-warn:#D0453B;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,26,23,.05);
  --sh-2:0 12px 28px -14px rgba(28,26,23,.22);
  --sp-section:96px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-secondary-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-secondary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:36px;}
.section-head h2{
  font-size:32px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head p{margin-top:12px;color:var(--c-ink-2);max-width:74ch;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary-deep);
  background:var(--c-primary-soft);
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:16px;
}
.eyebrow i{font-size:12px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-pill);
  font-weight:600;font-size:15px;line-height:1.2;
  border:1.5px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 18px -10px rgba(242,98,46,.75);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-secondary);color:var(--c-secondary-deep);}
.btn-ghost:hover{background:var(--c-secondary);color:#fff;border-color:var(--c-secondary);}
.btn-light{background:#fff;color:var(--c-primary-deep);}
.btn-light:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn-outline-light:hover{background:#fff;color:var(--c-secondary-deep);border-color:#fff;}
.btn-sm{padding:10px 22px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 10px;border-radius:6px;
}
.badge-cat{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.badge-status{background:var(--c-accent);color:#4A3208;}
.badge-soft{background:var(--c-surface-2);color:var(--c-ink-2);}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(28,26,23,.5);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:16px;
  box-shadow:0 8px 16px -10px rgba(242,98,46,.9);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;line-height:1.1;display:flex;flex-direction:column;}
.logo-text small{font-size:11px;font-weight:500;color:var(--c-ink-3);letter-spacing:.14em;}
.nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--c-ink);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-primary);transition:width .2s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--c-primary-deep);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--c-line);
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,26,23,.45);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100dvh;width:82vw;max-width:360px;
  background:var(--c-surface);z-index:80;
  transform:translateX(102%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:22px;overflow-y:auto;
  box-shadow:-16px 0 40px -24px rgba(28,26,23,.5);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-ink-2);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:14px 12px;border-radius:var(--r-md);
  font-size:17px;font-weight:600;color:var(--c-ink);
}
.drawer-nav a:hover{background:var(--c-surface-2);color:var(--c-primary-deep);}
.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.drawer-foot{margin-top:auto;padding-top:22px;}
.drawer-foot .btn{width:100%;}
body.no-scroll{overflow:hidden;}

/* ============ 内页 Banner ============ */
.page-hero{
  position:relative;color:#fff;
  background-image:linear-gradient(105deg,rgba(15,90,80,.94) 0%,rgba(22,119,107,.82) 48%,rgba(210,74,24,.78) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero-inner{padding:64px 0 68px;max-width:840px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:var(--c-accent);}
.crumb .sep{opacity:.5;}
.crumb .current{color:rgba(255,255,255,.6);}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);
  font-weight:800;line-height:1.18;letter-spacing:-.01em;
}
.page-hero .lede{
  margin-top:18px;font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.9);max-width:66ch;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  font-size:13px;font-weight:600;padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;
}

/* ============ 统计短条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;margin-top:-38px;position:relative;z-index:5;
}
.stat-item{padding:22px 20px;border-right:1px solid var(--c-line);}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-size:28px;font-weight:800;line-height:1.1;color:var(--c-primary-deep);
  font-variant-numeric:tabular-nums;
}
.stat-num span{font-size:14px;font-weight:600;color:var(--c-ink-3);margin-left:4px;}
.stat-label{margin-top:6px;font-size:13.5px;color:var(--c-ink-2);}

/* ============ 主体栅格 ============ */
.layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start;}

/* ============ 时间轴 ============ */
.panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:30px;
}
.panel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.panel-head h2{font-size:24px;font-weight:700;line-height:1.3;}
.panel-head p{margin-top:8px;font-size:14px;color:var(--c-ink-2);}
.panel-head .more{font-size:14px;font-weight:600;white-space:nowrap;}

.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-primary) 0%,var(--c-line) 60%,var(--c-line) 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 28px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:8px;
  width:14px;height:14px;border-radius:50%;
  background:var(--c-surface);border:3px solid var(--c-primary);
  box-shadow:0 0 0 4px rgba(242,98,46,.12);
}
.tl-item.is-new::before{background:var(--c-primary);}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;}
.tl-date{font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}
.tl-title{font-size:18px;font-weight:600;line-height:1.45;}
.tl-title a{color:var(--c-ink);}
.tl-title a:hover{color:var(--c-primary-deep);}
.tl-desc{margin-top:8px;font-size:14.5px;color:var(--c-ink-2);line-height:1.7;}
.tl-foot{margin-top:10px;display:flex;flex-wrap:wrap;gap:14px;font-size:13.5px;}
.tl-foot a{font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.tl-foot .muted{color:var(--c-ink-3);}

/* ============ 侧栏 ============ */
.aside{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px;}
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.aside-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.aside-card p{font-size:14px;color:var(--c-ink-2);}
.filter-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.filter-pill{
  font-size:13.5px;font-weight:600;padding:9px 16px;border-radius:var(--r-pill);
  border:1.5px solid var(--c-line);color:var(--c-ink-2);background:transparent;
  transition:all .2s ease;
}
.filter-pill:hover{border-color:var(--c-secondary);color:var(--c-secondary-deep);}
.filter-pill.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.notice-card{background:var(--c-secondary);border-color:var(--c-secondary-deep);color:#fff;}
.notice-card h3{color:#fff;}
.notice-card p{color:rgba(255,255,255,.86);}
.notice-card .btn{margin-top:18px;width:100%;}
.mini-list{margin-top:16px;display:flex;flex-direction:column;gap:14px;}
.mini-list a{display:block;font-size:14.5px;font-weight:600;color:var(--c-ink);line-height:1.5;}
.mini-list a:hover{color:var(--c-primary-deep);}
.mini-list .date{display:block;font-size:12.5px;color:var(--c-ink-3);margin-top:4px;font-weight:400;}
.cover-thumb{
  border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--c-surface-2);
}
.cover-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.cover-thumb:hover img{transform:scale(1.04);}

/* ============ 节点卡片区 ============ */
.node-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.node-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
.node-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.node-index{
  width:40px;height:40px;border-radius:8px;background:var(--c-primary-soft);
  color:var(--c-primary-deep);font-weight:800;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.node-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.node-card p{font-size:14.5px;color:var(--c-ink-2);}
.node-card .node-time{margin-top:14px;font-size:13px;color:var(--c-ink-3);}
.node-card:nth-child(2){margin-top:20px;}
.node-card:nth-child(3){margin-top:8px;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px;align-items:start;}
.faq-intro h2{font-size:30px;font-weight:700;line-height:1.25;}
.faq-intro p{margin-top:14px;color:var(--c-ink-2);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface-2);border-radius:var(--r-md);
  border-left:3px solid transparent;transition:border-color .25s ease,background-color .25s ease;
  overflow:hidden;
}
.faq-item[open]{border-left-color:var(--c-primary);background:var(--c-surface);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--c-surface);border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--c-primary-deep);font-size:12px;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--c-ink-2);line-height:1.8;}

/* ============ CTA 通栏 ============ */
.cta-band{
  background:linear-gradient(96deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  color:#fff;border-radius:20px;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 24px 48px -30px rgba(210,74,24,.9);
}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.3;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.9);font-size:15px;max-width:56ch;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-secondary-deep);color:rgba(255,255,255,.82);margin-top:0;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.site-footer .logo{color:#fff;}
.site-footer .logo-text small{color:rgba(255,255,255,.6);}
.site-footer .logo-mark{background:var(--c-primary);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:34ch;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(255,255,255,.78);}
.footer-contact i{color:var(--c-accent);margin-right:8px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);}
.footer-links a:hover{color:var(--c-accent);}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  font-size:12px;padding:6px 10px;border-radius:6px;
  background:rgba(255,255,255,.1);color:rgba(255,255,255,.86);
}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  :root{--sp-section:76px;}
  .layout{gap:26px;}
}
@media (max-width:991px){
  :root{--sp-section:64px;}
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .layout{grid-template-columns:1fr;}
  .aside{position:static;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .node-grid{grid-template-columns:1fr 1fr;}
  .node-card:nth-child(2){margin-top:0;}
  .node-card:nth-child(3){margin-top:0;grid-column:span 2;}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  .container{padding:0 20px;}
  body{font-size:15.5px;line-height:1.8;}
  .header-inner{min-height:64px;}
  .page-hero-inner{padding:44px 0 52px;}
  .page-hero .lede{font-size:15.5px;}
  .panel{padding:22px 18px;}
  .timeline{padding-left:24px;}
  .tl-item::before{left:-24px;width:12px;height:12px;border-width:2px;}
  .stat-bar{grid-template-columns:1fr 1fr;margin-top:-26px;}
  .stat-item{padding:18px 16px;}
  .stat-num{font-size:23px;}
  .node-grid{grid-template-columns:1fr;}
  .node-card:nth-child(3){grid-column:auto;}
  .cta-band{padding:32px 24px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{margin-top:36px;}
  .faq-intro h2{font-size:24px;}
  .panel-head{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:480px){
  .stat-bar{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--c-line);}
  .stat-item:last-child{border-bottom:0;}
  .logo-text{font-size:17px;}
  .logo-text small{letter-spacing:.1em;}
}

/* roulang page: category2 */
/* ========== 设计令牌 ========== */
:root{
  --c-primary:#F2622E;
  --c-primary-deep:#D24A18;
  --c-primary-soft:#FFEDE4;
  --c-secondary:#16776B;
  --c-secondary-deep:#0F5A50;
  --c-accent:#FFC24B;
  --c-bg:#FBF6EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EDE2;
  --c-ink:#1C1A17;
  --c-ink-2:#5A534B;
  --c-ink-3:#9A9086;
  --c-line:#EADFCE;
  --c-success:#2E9E63;
  --c-warn:#D0453B;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,26,23,.05);
  --sh-2:0 12px 28px -14px rgba(28,26,23,.22);
  --sp-1:8px;
  --sp-2:14px;
  --sp-3:24px;
  --sp-4:40px;
  --sp-section:96px;
  --w-container:1200px;
}
/* ========== reset / base ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block;}
a{color:var(--c-secondary-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-deep);}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-secondary);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep);}
/* ========== 容器 ========== */
.container{
  width:100%;
  max-width:var(--w-container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sp-section) 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--c-surface-2);}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:36px;
}
.section-head h2{font-size:32px;}
.section-head .sub{
  margin-top:10px;
  color:var(--c-ink-2);
  font-size:15.5px;
  max-width:72ch;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-primary-deep);
  background:var(--c-primary-soft);
  border-radius:6px;
  padding:5px 12px;
  margin-bottom:14px;
}
/* ========== 按钮 ========== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:0;
  border-radius:var(--r-pill);
  padding:14px 30px;
  font-size:15.5px;
  font-weight:600;
  line-height:1.2;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--c-secondary-deep);
  border:1.5px solid var(--c-secondary);
}
.btn-ghost:hover{background:var(--c-secondary);color:#fff;border-color:var(--c-secondary);}
.btn-light{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.72);
}
.btn-light:hover{background:#fff;color:var(--c-primary-deep);border-color:#fff;}
.btn-sm{padding:10px 20px;font-size:14.5px;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.link-more{
  font-size:14.5px;
  font-weight:600;
  color:var(--c-secondary-deep);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.link-more:hover{border-color:var(--c-primary);color:var(--c-primary-deep);}
/* ========== 徽章 / 标签 ========== */
.badge{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  border-radius:6px;
  padding:4px 10px;
  background:var(--c-primary-soft);
  color:var(--c-primary-deep);
}
.badge--gold{background:var(--c-accent);color:#3A2A06;}
.badge--green{background:rgba(22,119,107,.12);color:var(--c-secondary-deep);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  border:1.5px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-ink-2);
  border-radius:var(--r-pill);
  padding:9px 20px;
  font-size:14.5px;
  font-weight:500;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-deep);}
.chip.is-active{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
  font-weight:600;
  box-shadow:0 8px 18px -12px rgba(242,98,46,.9);
}
/* ========== Header ========== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(28,26,23,.55);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--c-primary);
  color:#fff;
  font-size:17px;
  box-shadow:0 8px 16px -12px rgba(242,98,46,1);
}
.logo-text{
  display:flex;
  flex-direction:column;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.1;
}
.logo-text small{
  font-size:11.5px;
  font-weight:500;
  color:var(--c-ink-3);
  letter-spacing:.08em;
}
.nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;
  font-size:15.5px;
  font-weight:500;
  color:var(--c-ink);
  padding:6px 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:var(--c-primary);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{font-weight:600;color:var(--c-primary-deep);}
.nav-link.is-active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:10px;
  align-items:center;
  justify-content:center;
  font-size:18px;
  color:var(--c-ink);
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(28,26,23,.45);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:82vw;
  max-width:360px;
  height:100%;
  background:var(--c-surface);
  z-index:80;
  transform:translateX(102%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:24px 22px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);display:grid;place-items:center;font-size:17px;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:26px;}
.drawer-nav a{
  font-size:19px;
  font-weight:600;
  color:var(--c-ink);
  padding:14px 12px;
  border-radius:var(--r-sm);
  transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line);font-size:13.5px;color:var(--c-ink-3);}
.drawer .btn{width:100%;}
/* ========== Hero ========== */
.page-hero{
  position:relative;
  color:#fff;
  background-image:linear-gradient(115deg,rgba(15,90,80,.92) 0%,rgba(28,26,23,.78) 58%,rgba(28,26,23,.6) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  padding:78px 0 0;
  overflow:hidden;
}
.page-hero .hero-inner{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
  padding-bottom:56px;
}
.crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:var(--c-accent);}
.crumb span{margin:0 8px;}
.crumb .current{color:rgba(255,255,255,.6);}
.page-hero h1{
  font-size:46px;
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--c-accent);}
.hero-lead{
  font-size:16.5px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:60ch;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-figure{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:0 24px 48px -28px rgba(0,0,0,.7);
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-figure .float-badge{
  position:absolute;top:14px;left:14px;
  background:var(--c-accent);
  color:#3A2A06;
  font-size:12.5px;
  font-weight:700;
  border-radius:6px;
  padding:5px 11px;
}
.stat-bar{
  border-top:1px solid rgba(255,255,255,.22);
  background:rgba(0,0,0,.16);
}
.stat-bar .container{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat-item{
  padding:22px 22px 24px;
  border-right:1px solid rgba(255,255,255,.16);
}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-size:28px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:#fff;
  line-height:1.1;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:3px;color:var(--c-accent);}
.stat-label{font-size:13.5px;color:rgba(255,255,255,.74);margin-top:6px;}
/* ========== 图墙 ========== */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  margin-bottom:26px;
}
.filter-note{font-size:13.5px;color:var(--c-ink-3);}
.gallery{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:186px;
  gap:18px;
}
.g-item{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-md);
  background:var(--c-surface-2);
  box-shadow:var(--sh-1);
  transition:box-shadow .3s ease,transform .3s ease;
}
.g-item img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.g-item:hover{box-shadow:var(--sh-2);}
.g-item:hover img{transform:scale(1.05);}
.g-cap{
  position:absolute;
  inset:auto 0 0 0;
  padding:44px 18px 16px;
  background:linear-gradient(to top,rgba(28,26,23,.88),rgba(28,26,23,.35) 55%,rgba(28,26,23,0));
  color:#fff;
  opacity:1;
}
.g-cap .g-tag{
  display:inline-block;
  font-size:11.5px;
  font-weight:600;
  background:rgba(255,194,75,.94);
  color:#3A2A06;
  border-radius:6px;
  padding:3px 9px;
  margin-bottom:8px;
}
.g-cap h3{font-size:17px;font-weight:600;line-height:1.35;}
.g-cap p{
  font-size:13px;
  line-height:1.6;
  color:rgba(255,255,255,.8);
  margin-top:5px;
  max-height:0;
  opacity:0;
  overflow:hidden;
  transition:max-height .3s ease,opacity .3s ease,margin-top .3s ease;
}
.g-item:hover .g-cap p{max-height:70px;opacity:1;}
.g-item:focus-within .g-cap p{max-height:70px;opacity:1;}
.g-item--xl{grid-column:span 2;grid-row:span 2;}
.g-item--wide{grid-column:span 2;}
.g-item--tall{grid-row:span 2;}
.g-item.is-hidden{display:none;}
.empty-tip{
  display:none;
  text-align:center;
  padding:56px 20px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-lg);
  background:var(--c-surface);
  color:var(--c-ink-2);
}
.empty-tip i{font-size:30px;color:var(--c-primary);display:block;margin-bottom:12px;}
/* ========== 主题分栏 ========== */
.theme-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.theme-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.theme-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.theme-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.theme-body{padding:22px 22px 26px;}
.theme-body h3{font-size:19px;margin-bottom:10px;}
.theme-body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.75;}
.theme-meta{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--c-ink-3);
  margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);
}
/* ========== 深色数据区 ========== */
.dark-band{
  background:var(--c-secondary-deep);
  color:#fff;
  border-radius:var(--r-lg);
  padding:52px 44px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
  box-shadow:var(--sh-2);
}
.dark-band h2{font-size:30px;color:#fff;margin-bottom:14px;}
.dark-band p{color:rgba(255,255,255,.82);font-size:15.5px;}
.metric-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.metric{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);
  padding:18px 18px 20px;
}
.metric strong{
  display:block;
  font-size:26px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--c-accent);
  line-height:1.15;
}
.metric span{font-size:13.5px;color:rgba(255,255,255,.74);}
/* ========== 口碑 ========== */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.voice{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:3px solid var(--c-primary);
  border-radius:var(--r-md);
  padding:24px 24px 22px;
  box-shadow:var(--sh-1);
}
.voice p{font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.voice-who{
  display:flex;align-items:center;gap:10px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-ink-3);
}
.voice-who i{color:var(--c-secondary);}
/* ========== FAQ ========== */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start;}
.faq-aside{
  position:sticky;top:104px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--sh-1);
}
.faq-aside h2{font-size:26px;margin-bottom:12px;}
.faq-aside p{font-size:14.5px;color:var(--c-ink-2);margin-bottom:18px;}
.faq-aside .side-list{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.faq-aside .side-list a{display:flex;gap:9px;align-items:flex-start;color:var(--c-ink-2);}
.faq-aside .side-list a:hover{color:var(--c-primary-deep);}
.faq-aside .side-list i{color:var(--c-primary);margin-top:5px;font-size:12px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface-2);
  border-radius:var(--r-md);
  overflow:hidden;
  border-left:3px solid transparent;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item.is-open{border-left-color:var(--c-primary);background:var(--c-surface);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  background:none;
  border:0;
  padding:19px 22px;
  font-size:16.5px;
  font-weight:600;
  color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary-deep);}
.faq-q .faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--c-primary-soft);
  color:var(--c-primary-deep);
  font-size:12px;
  transition:transform .25s ease,background .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-primary);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--c-ink-2);line-height:1.85;}
/* ========== CTA 通栏 ========== */
.cta-band{
  background:linear-gradient(100deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  border-radius:var(--r-lg);
  padding:44px 46px;
  color:#fff;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:62ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
/* ========== 页脚 ========== */
.site-footer{background:var(--c-ink);color:#D9D2C8;padding:64px 0 0;margin-top:var(--sp-section);}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);max-width:38ch;}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:18px;font-size:14px;color:rgba(255,255,255,.7);}
.footer-contact span{display:flex;align-items:center;gap:9px;}
.footer-contact i{color:var(--c-accent);}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:14.5px;}
.footer-links a{color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--c-accent);}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  font-size:12.5px;
  border:1px solid rgba(255,255,255,.2);
  border-radius:6px;
  padding:4px 10px;
  color:rgba(255,255,255,.7);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:22px 0;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
/* ========== 响应式 ========== */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .nav{gap:22px;}
  .page-hero h1{font-size:40px;}
  .gallery{grid-auto-rows:170px;gap:16px;}
}
@media (max-width:991px){
  :root{--sp-section:72px;}
  .nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .page-hero .hero-inner{grid-template-columns:1fr;gap:30px;padding-bottom:44px;}
  .page-hero h1{font-size:34px;}
  .stat-bar .container{grid-template-columns:1fr 1fr;}
  .stat-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.16);}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:0;}
  .gallery{grid-template-columns:repeat(3,1fr);}
  .g-item--xl{grid-column:span 2;grid-row:span 2;}
  .theme-grid{grid-template-columns:1fr;}
  .dark-band{grid-template-columns:1fr;padding:40px 30px;}
  .voice-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:26px;}
  .faq-aside{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sp-section:52px;}
  .container{padding:0 20px;}
  .header-inner{min-height:64px;}
  .logo-text{font-size:17px;}
  .section-head h2{font-size:23px;}
  .page-hero{padding-top:44px;}
  .page-hero h1{font-size:29px;}
  .hero-lead{font-size:15.5px;}
  .btn{padding:13px 24px;font-size:15px;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;gap:12px;}
  .g-item--xl{grid-column:span 2;grid-row:span 2;}
  .g-item--wide{grid-column:span 2;}
  .g-item--tall{grid-row:span 1;}
  .g-cap p{max-height:70px;opacity:1;}
  .g-cap{padding:34px 14px 13px;}
  .g-cap h3{font-size:15.5px;}
  .dark-band{padding:30px 22px;border-radius:var(--r-md);}
  .dark-band h2{font-size:23px;}
  .metric-list{grid-template-columns:1fr 1fr;gap:12px;}
  .cta-band{padding:32px 24px;border-radius:var(--r-md);}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:15.5px;padding:16px 16px;}
  .faq-a p{padding:0 16px 18px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:26px;}
  .stat-num{font-size:23px;}
  .gallery{grid-auto-rows:132px;}
  .metric-list{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category3 */
:root{
  --c-primary:#F2622E;
  --c-primary-deep:#D24A18;
  --c-primary-soft:#FFEDE4;
  --c-secondary:#16776B;
  --c-secondary-deep:#0F5A50;
  --c-accent:#FFC24B;
  --c-bg:#FBF6EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EDE2;
  --c-ink:#1C1A17;
  --c-ink-2:#5A534B;
  --c-ink-3:#9A9086;
  --c-line:#EADFCE;
  --c-success:#2E9E63;
  --c-warn:#D0453B;
  --radius-lg:16px;
  --radius-sm:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(28,26,23,.05);
  --shadow-2:0 12px 28px -14px rgba(28,26,23,.22);
  --space-section:96px;
  --ff:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-secondary-deep);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--c-primary-deep)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-secondary);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--space-section) 0}
.section-alt{background:var(--c-surface-2)}
.section-white{background:var(--c-surface)}
.section-line{border-top:1px solid var(--c-line)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--c-primary-deep);background:var(--c-primary-soft);
  border-radius:6px;padding:5px 12px;
}
.eyebrow.is-green{color:var(--c-secondary-deep);background:#E2F1EE}

.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{
  font-size:clamp(22px,3vw,32px);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;
  margin-top:14px;
}
.section-head p{margin-top:12px;color:var(--c-ink-2);font-size:16px;line-height:1.8}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px -12px rgba(28,26,23,.35)}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink)}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;flex:0 0 auto;
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;line-height:1.05;display:flex;flex-direction:column}
.logo-text small{font-size:11px;font-weight:500;color:var(--c-ink-3);letter-spacing:.08em;margin-top:2px}
.logo:hover{color:var(--c-ink)}

.nav{display:flex;align-items:center;gap:30px;margin:0 auto}
.nav-link{
  position:relative;
  font-size:15.5px;font-weight:500;color:var(--c-ink);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;
  height:2px;width:0;background:var(--c-primary);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{width:100%}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;color:var(--c-ink);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(28,26,23,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;
  font-size:15.5px;font-weight:600;line-height:1;
  border:1.5px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  cursor:pointer;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--c-secondary);color:var(--c-secondary-deep)}
.btn-ghost:hover{background:var(--c-secondary);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-onhero{background:transparent;border-color:rgba(255,255,255,.72);color:#fff}
.btn-onhero:hover{background:#fff;color:var(--c-primary-deep);border-color:#fff}
.btn-light{background:#fff;color:var(--c-secondary-deep)}
.btn-light:hover{background:var(--c-accent);color:var(--c-ink)}
.btn-sm{padding:10px 22px;font-size:14.5px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--c-secondary-deep);
}
.link-arrow:hover{color:var(--c-primary-deep)}
.link-arrow:hover .fa-arrow-right{transform:translateX(3px)}
.link-arrow .fa-arrow-right{transition:transform .2s ease}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(105deg,rgba(15,90,80,.94) 8%,rgba(15,90,80,.78) 46%,rgba(28,26,23,.58) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:76px 0 84px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-90px;bottom:-90px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.28),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72)}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:rgba(255,255,255,.62)}
.hero h1{
  margin-top:20px;
  font-size:clamp(28px,4.4vw,48px);
  font-weight:800;line-height:1.15;letter-spacing:-.01em;
  max-width:16em;
}
.hero-lead{
  margin-top:18px;font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.88);max-width:44em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:40px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(6px);
  overflow:hidden;
}
.hero-stat{padding:18px 20px;border-left:1px solid rgba(255,255,255,.16)}
.hero-stat:first-child{border-left:0}
.hero-stat b{
  display:block;font-size:26px;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;color:var(--c-accent);
}
.hero-stat span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.82)}

/* ---------- Steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  counter-reset:step;
}
.step{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#F3C4AE}
.step-top{display:flex;align-items:center;gap:12px}
.step-num{
  width:44px;height:44px;border-radius:8px;flex:0 0 auto;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;
}
.step-top .step-label{font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.04em}
.step-figure{margin-top:18px;border-radius:var(--radius-sm);overflow:hidden;background:var(--c-surface-2)}
.step-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.step:hover .step-figure img{transform:scale(1.04)}
.step h3{margin-top:18px;font-size:19px;font-weight:600;line-height:1.4}
.step p{margin-top:10px;font-size:15px;line-height:1.78;color:var(--c-ink-2)}
.step-note{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;font-size:13px;color:var(--c-ink-3);
}
.step-note i{color:var(--c-primary)}

/* ---------- Split blocks ---------- */
.split{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start}
.panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-1)}
.panel-title{font-size:20px;font-weight:600;display:flex;align-items:center;gap:10px}
.panel-title i{color:var(--c-primary)}
.panel-sub{margin-top:8px;font-size:14.5px;color:var(--c-ink-2)}

.checklist{margin-top:22px;display:grid;gap:14px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:var(--c-surface-2);
  transition:background-color .2s ease;
}
.check-item:hover{background:#EFE6D8}
.check-icon{
  width:24px;height:24px;border-radius:50%;flex:0 0 auto;
  background:var(--c-secondary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;margin-top:2px;
}
.check-item h4{font-size:15.5px;font-weight:600}
.check-item p{margin-top:4px;font-size:14px;color:var(--c-ink-2);line-height:1.7}

.aside-card{
  background:var(--c-secondary-deep);color:#fff;
  border-radius:var(--radius-lg);padding:30px;
  box-shadow:var(--shadow-2);
}
.aside-card h3{font-size:19px;font-weight:700;line-height:1.4}
.aside-card p{margin-top:12px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.82)}
.aside-list{margin-top:20px;display:grid;gap:12px}
.aside-list li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.92)}
.aside-list i{color:var(--c-accent);margin-top:5px;font-size:11px}
.aside-figure{margin-top:22px;border-radius:var(--radius-sm);overflow:hidden}
.aside-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}

/* ---------- Milestones ---------- */
.milestones{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1)}
.milestone{
  display:grid;grid-template-columns:180px 1fr;
  gap:26px;align-items:center;
  padding:22px 28px;border-top:1px solid var(--c-line);
  transition:background-color .2s ease;
}
.milestone:first-child{border-top:0}
.milestone:hover{background:var(--c-surface-2)}
.milestone-when{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--c-primary-deep);
  background:var(--c-primary-soft);border-radius:6px;padding:8px 12px;
  justify-self:start;
}
.milestone-body h3{font-size:16.5px;font-weight:600}
.milestone-body p{margin-top:6px;font-size:14.5px;color:var(--c-ink-2);line-height:1.75}

/* ---------- Assurance ---------- */
.assurance{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.assurance-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-lg);padding:28px;
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;
}
.assurance-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.assurance-icon{
  width:46px;height:46px;border-radius:12px;
  background:var(--c-secondary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:19px;
}
.assurance-card h3{margin-top:18px;font-size:18px;font-weight:600}
.assurance-card p{margin-top:10px;font-size:14.5px;color:var(--c-ink-2);line-height:1.78}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-sm);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#F3C4AE;box-shadow:var(--shadow-2)}
.faq-q{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 56px 20px 22px;
  font-size:16.5px;font-weight:600;color:var(--c-ink);
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{
  content:"+";position:absolute;right:22px;top:50%;
  transform:translateY(-50%);
  width:24px;height:24px;line-height:22px;text-align:center;
  border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-weight:700;font-size:16px;
  transition:transform .25s ease,background-color .2s ease;
}
.faq-item[open] .faq-q::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item[open] .faq-q{color:var(--c-primary-deep)}
.faq-a{padding:0 22px 22px;font-size:15px;line-height:1.82;color:var(--c-ink-2)}
.faq-item[open] .faq-a{border-left:3px solid var(--c-primary);padding-left:19px}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(115deg,var(--c-secondary-deep) 0%,var(--c-secondary) 78%);
  color:#fff;border-radius:var(--radius-lg);
  padding:44px;
  display:grid;grid-template-columns:1.4fr .8fr;gap:32px;align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:12px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.84)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-ink);color:#EDE7DE;padding:72px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.site-footer .logo{color:#fff}
.site-footer .logo-text small{color:var(--c-ink-3)}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:#B9B0A5;max-width:34em}
.footer-contact{margin-top:18px;display:grid;gap:8px;font-size:14px;color:#B9B0A5}
.footer-contact i{color:var(--c-primary);margin-right:8px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14.5px;color:#B9B0A5}
.footer-links a:hover{color:var(--c-accent)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{
  font-size:12px;font-weight:600;color:#F2C9B4;
  background:rgba(242,98,46,.18);
  border-radius:6px;padding:5px 10px;
}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 24px}
  :root{--space-section:80px}
}
@media (max-width:991px){
  :root{--space-section:64px}
  .nav{
    position:fixed;top:0;right:0;height:100vh;width:82vw;max-width:340px;
    background:var(--c-surface);flex-direction:column;align-items:stretch;
    gap:6px;margin:0;padding:92px 24px 32px;
    transform:translateX(100%);transition:transform .3s ease;
    box-shadow:-18px 0 40px rgba(28,26,23,.18);z-index:80;overflow-y:auto;
  }
  .nav.is-open{transform:translateX(0)}
  .nav-link{font-size:17px;font-weight:600;padding:14px 4px;border-bottom:1px solid var(--c-line)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--c-primary)}
  .nav-toggle{display:inline-flex}
  .header-actions .btn{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .assurance{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  :root{--space-section:48px}
  .container{padding:0 20px}
  .header-inner{height:66px;gap:14px}
  .logo-text{font-size:17px}
  .hero{padding:56px 0 60px}
  .hero-lead{font-size:15.5px}
  .hero-stats{grid-template-columns:1fr;margin-top:30px}
  .hero-stat{border-left:0;border-top:1px solid rgba(255,255,255,.16);padding:14px 18px}
  .hero-stat:first-child{border-top:0}
  .steps{grid-template-columns:1fr}
  .panel{padding:24px}
  .milestone{grid-template-columns:1fr;gap:12px;padding:20px}
  .assurance{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  .hero h1{font-size:26px}
  .btn{padding:13px 24px;font-size:15px}
  .hero-actions .btn{width:100%}
  .section-head{margin-bottom:32px}
}

/* roulang page: category4 */
:root{
  --c-primary:#F2622E;
  --c-primary-deep:#D24A18;
  --c-primary-soft:#FFEDE4;
  --c-secondary:#16776B;
  --c-secondary-deep:#0F5A50;
  --c-accent:#FFC24B;
  --c-bg:#FBF6EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EDE2;
  --c-ink:#1C1A17;
  --c-ink-2:#5A534B;
  --c-ink-3:#9A9086;
  --c-line:#EADFCE;
  --c-success:#2E9E63;
  --c-warn:#D0453B;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,26,23,.05);
  --sh-2:0 12px 28px -14px rgba(28,26,23,.22);
  --sec-y:96px;
  --container:1200px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-secondary-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-secondary);outline-offset:2px;border-radius:4px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-ink);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:999;}
.skip-link:focus{left:0;color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:var(--sec-y) 0;}
.section--alt{background:var(--c-surface-2);}
.section--plain{background:var(--c-surface);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--c-primary-deep);background:var(--c-primary-soft);
  padding:5px 12px;border-radius:6px;margin-bottom:14px;
}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.section-head p{margin-top:12px;color:var(--c-ink-2);font-size:16px;max-width:72ch;}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:inline-block;}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(28,26,23,.5);}
.header-inner{display:flex;align-items:center;gap:32px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 8px 18px -12px rgba(242,98,46,.9);
}
.logo-text{display:flex;flex-direction:column;font-size:19px;font-weight:800;letter-spacing:-.01em;line-height:1.1;}
.logo-text small{font-size:11px;font-weight:500;color:var(--c-ink-3);letter-spacing:.12em;margin-top:3px;}
.nav{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:100%;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;border-radius:2px;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary-deep);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;font-size:18px;color:var(--c-ink);
  border:1px solid var(--c-line);
}
.nav-toggle:hover{background:var(--c-surface-2);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;
  padding:14px 30px;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px -16px rgba(242,98,46,.95);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1.5px solid var(--c-secondary);color:var(--c-secondary-deep);}
.btn-ghost:hover{background:var(--c-secondary);color:#fff;border-color:var(--c-secondary);}
.btn-light{background:#fff;color:var(--c-secondary-deep);}
.btn-light:hover{background:var(--c-bg);color:var(--c-primary-deep);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-outline-light{background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff;}
.btn-outline-light:hover{background:#fff;color:var(--c-secondary-deep);border-color:#fff;}
.btn:disabled,.btn[disabled]{opacity:.5;pointer-events:none;}

/* 抽屉 */
.overlay{
  position:fixed;inset:0;background:rgba(28,26,23,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.overlay.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;z-index:95;
  background:var(--c-surface);padding:26px 22px;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;}
.drawer a.drawer-link{
  display:block;padding:14px 4px;font-size:17px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer a.drawer-link.is-active{color:var(--c-primary-deep);}
.drawer .btn{margin-top:22px;width:100%;}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(15,90,80,.94) 0%,rgba(22,119,107,.86) 46%,rgba(28,26,23,.72) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;
  border-radius:50%;background:rgba(255,194,75,.16);filter:blur(6px);
}
.hero-inner{position:relative;z-index:2;padding:74px 0 84px;max-width:840px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:rgba(255,255,255,.62);}
.page-hero h1{
  font-size:clamp(28px,4vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  max-width:16em;
}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);max-width:66ch;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  font-size:13px;font-weight:600;padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.22);
}
.hero-stats .stat strong{
  display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--c-accent);line-height:1.1;
}
.hero-stats .stat span{font-size:13px;color:rgba(255,255,255,.8);}

/* ============ 规则答疑主体 ============ */
.rules-layout{display:grid;grid-template-columns:268px minmax(0,1fr);gap:44px;align-items:start;}
.toc{
  position:sticky;top:96px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:var(--sh-1);
}
.toc h2{font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:14px;}
.toc ol{display:flex;flex-direction:column;gap:2px;counter-reset:toc;}
.toc li{counter-increment:toc;}
.toc a{
  display:flex;gap:10px;align-items:baseline;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--c-ink-2);
  border-left:2px solid transparent;transition:all .2s ease;
}
.toc a::before{content:counter(toc,decimal-leading-zero);font-size:12px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}
.toc a:hover{background:var(--c-surface-2);color:var(--c-primary-deep);}
.toc a.is-current{background:var(--c-primary-soft);color:var(--c-primary-deep);border-left-color:var(--c-primary);font-weight:600;}
.toc-card{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-ink-2);line-height:1.7;
}
.toc-card strong{display:block;color:var(--c-ink);font-size:14px;margin-bottom:6px;}

.faq-groups{display:flex;flex-direction:column;gap:44px;}
.faq-group{scroll-margin-top:100px;}
.faq-group > header{
  display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap;
}
.faq-group .group-no{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;
}
.faq-group h2{font-size:23px;font-weight:700;line-height:1.3;}
.faq-group .group-note{font-size:14px;color:var(--c-ink-2);margin:-8px 0 16px;}

.faq-item{
  position:relative;background:var(--c-surface-2);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:background .2s ease,box-shadow .2s ease;
}
.faq-item:hover{background:#F1E7D9;}
.faq-item[open]{background:var(--c-surface);box-shadow:var(--sh-2);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--c-primary);transform:scaleY(0);transform-origin:top;
  transition:transform .25s ease;
}
.faq-item[open]::before{transform:scaleY(1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 56px 18px 22px;position:relative;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:600;color:var(--c-primary-deep);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:transform .25s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--c-primary);color:#fff;border-color:var(--c-primary);transform:translateY(-50%) rotate(180deg);}
.faq-body{padding:0 56px 22px 22px;color:var(--c-ink-2);font-size:15px;line-height:1.85;}
.faq-body p + p{margin-top:12px;}
.faq-body ul{margin:12px 0 0;display:flex;flex-direction:column;gap:8px;}
.faq-body ul li{position:relative;padding-left:18px;}
.faq-body ul li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--c-primary);
}
.faq-meta{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-size:13px;color:var(--c-ink-3);
}
.faq-meta i{color:var(--c-secondary);}

/* ============ 判定要点卡 ============ */
.point-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.point-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-1);transition:all .25s ease;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#E0D2BC;}
.point-card .icon{
  width:48px;height:48px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;
}
.point-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.point-card p{font-size:15px;color:var(--c-ink-2);}
.point-card dl{margin-top:16px;display:flex;flex-direction:column;gap:10px;font-size:14px;}
.point-card dt{font-weight:600;color:var(--c-ink);}
.point-card dd{color:var(--c-ink-2);margin:2px 0 0;}

/* ============ 处理流程时间轴 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative;}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px 22px;position:relative;box-shadow:var(--sh-1);
}
.step .step-no{
  font-size:24px;font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:12px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-ink-2);}
.step .step-time{
  display:inline-block;margin-top:14px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:6px;background:var(--c-accent);color:var(--c-ink);
}

/* ============ 对比区 ============ */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.compare-col{border-radius:var(--r-lg);padding:28px 26px;border:1px solid var(--c-line);background:var(--c-surface);}
.compare-col.is-good{border-color:rgba(22,119,107,.35);background:#F1F7F5;}
.compare-col h3{font-size:19px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.compare-col.is-good h3 i{color:var(--c-secondary);}
.compare-col.is-bad h3 i{color:var(--c-warn);}
.compare-col ul{display:flex;flex-direction:column;gap:12px;}
.compare-col li{position:relative;padding-left:22px;font-size:15px;color:var(--c-ink-2);}
.compare-col li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--c-ink-3);
}
.compare-col.is-good li::before{background:var(--c-secondary);}
.compare-col.is-bad li::before{background:var(--c-warn);}
.compare-media{
  margin-top:28px;border-radius:var(--r-lg);overflow:hidden;position:relative;
  border:1px solid var(--c-line);background:var(--c-surface);
}
.compare-media img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.compare-media figcaption{
  padding:14px 20px;font-size:13px;color:var(--c-ink-3);background:var(--c-surface);
}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--c-secondary-deep),var(--c-secondary));
  color:#fff;border-radius:var(--r-lg);padding:52px 48px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,194,75,.18);
}
.cta-band h2{font-size:28px;font-weight:800;line-height:1.3;position:relative;z-index:2;}
.cta-band p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.9);max-width:56ch;position:relative;z-index:2;}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:2;}
.cta-actions .btn{width:100%;}
.cta-actions .hint{font-size:13px;color:rgba(255,255,255,.75);text-align:center;}
.help-form{margin-top:34px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:10px;
  border:1.5px solid var(--c-line);background:var(--c-surface);transition:all .2s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-secondary);box-shadow:0 0 0 3px rgba(22,119,107,.14);
}
.field .tip{font-size:13px;color:var(--c-ink-3);}
.field.has-error input,.field.has-error textarea{border-color:var(--c-warn);}
.field .error-text{display:none;font-size:13px;color:var(--c-warn);}
.field.has-error .error-text{display:block;}
.form-success{
  display:none;margin-top:18px;padding:14px 18px;border-radius:12px;
  background:rgba(46,158,99,.12);border:1.5px solid var(--c-success);color:#1D6B44;font-size:14px;
}
.form-success.is-visible{display:block;}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-secondary-deep);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px;}
.site-footer .logo{color:#fff;}
.site-footer .logo-text small{color:rgba(255,255,255,.6);}
.site-footer .logo-mark{background:var(--c-primary);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:38ch;}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:14px;}
.footer-contact i{color:var(--c-accent);margin-right:8px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-links a{color:rgba(255,255,255,.78);}
.footer-links a:hover{color:var(--c-accent);}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  font-size:12px;padding:5px 10px;border-radius:6px;
  background:rgba(255,255,255,.12);color:rgba(255,255,255,.9);
}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .nav{gap:22px;}
  :root{--sec-y:78px;}
}
@media (max-width:991px){
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{justify-content:space-between;}
  .logo{margin-right:auto;}
  .rules-layout{grid-template-columns:1fr;gap:32px;}
  .toc{position:static;top:auto;}
  .toc ol{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;}
  .toc li{flex:0 0 auto;}
  .toc a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent;border-radius:10px;}
  .toc a.is-current{border-left:0;border-bottom-color:var(--c-primary);}
  .point-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  :root{--sec-y:64px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:15.5px;line-height:1.8;}
  .section-head h2{font-size:23px;}
  .section-head{margin-bottom:28px;}
  .hero-inner{padding:52px 0 60px;}
  .hero-lead{font-size:16px;}
  .hero-stats{gap:18px 26px;}
  .hero-stats .stat strong{font-size:22px;}
  .point-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .faq-item summary{padding:16px 52px 16px 18px;font-size:15.5px;}
  .faq-body{padding:0 20px 20px 18px;font-size:14.5px;}
  .help-form{grid-template-columns:1fr;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 22px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .compare-media img{aspect-ratio:16/9;}
  .form-actions .btn{width:100%;}
  :root{--sec-y:52px;}
}
@media (max-width:480px){
  .logo-text{font-size:17px;}
  .hero-tags span{font-size:12px;padding:6px 11px;}
  .faq-group h2{font-size:20px;}
  .cta-band{padding:32px 22px;}
}