/* roulang page: index */
:root{
  --ink:#123B34;
  --ink-2:#1E5A4E;
  --ink-3:#2E7D6B;
  --orange:#FF6A2B;
  --orange-h:#E7561B;
  --mist:#8FBFB0;
  --sand:#F0E5D2;
  --bg:#F8F6F1;
  --card:#FFFFFF;
  --section:#F1EEE7;
  --text:#1B2320;
  --text-2:#5C6B65;
  --text-3:#8C9791;
  --line:#E4E0D6;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,59,52,.06);
  --shadow-2:0 12px 32px -16px rgba(18,59,52,.22);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
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(--orange);outline-offset:2px;border-radius:4px;}

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

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--ink);color:#fff;font-size:13px;}
.topbar-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.topbar p{opacity:.86;line-height:1.6;padding:6px 0;}
.topbar-link{color:var(--orange);font-weight:600;white-space:nowrap;transition:color .2s ease;}
.topbar-link:hover{color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(248,246,241,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  min-height:76px;display:flex;align-items:center;gap:32px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.brand-dot{width:8px;height:8px;border-radius:2px;background:var(--orange);flex:none;}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:8px;}
.nav-link{
  position:relative;font-size:17px;font-weight:500;color:var(--ink);padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--orange);
  transition:width .28s ease;
}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{width:100%;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:15px 26px;border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px -12px rgba(255,106,43,.9);}
.btn-primary:hover{background:var(--orange-h);transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(231,86,27,.85);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(-1px);}
.btn-outline-light{border:1px solid rgba(255,255,255,.6);color:#fff;background:transparent;}
.btn-outline-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-weight:600;font-size:15px;
  transition:color .2s ease;
}
.btn-text .arrow{transition:transform .22s ease;}
.btn-text:hover{color:var(--orange-h);}
.btn-text:hover .arrow{transform:translateX(4px);}

.link-more{
  position:relative;font-size:15px;font-weight:600;color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;
}
.link-more::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--orange);transition:width .28s ease;}
.link-more:hover::after{width:100%;}

.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86vw;max-width:360px;background:var(--bg);
  transform:translateX(102%);transition:transform .3s ease;z-index:90;
  display:flex;flex-direction:column;border-left:1px solid var(--line);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line);}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;color:var(--ink);}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-nav a{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:0 22px;
  font-size:16px;border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--orange);font-weight:700;}
.drawer-nav a.is-active::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange);}
.drawer-foot{padding:18px 22px 26px;border-top:1px solid var(--line);}
.scrim{position:fixed;inset:0;background:rgba(18,59,52,.42);opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:85;}
.scrim.is-open{opacity:1;pointer-events:auto;}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.bg-sand{background:var(--section);}
.bg-ink{background:var(--ink);color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.18em;
  padding:8px 16px;border-radius:var(--r-pill);
}
.eyebrow-orange{background:var(--orange);color:#fff;}
.eyebrow-mist{border:1px solid var(--mist);color:var(--ink-2);background:rgba(143,191,176,.14);}
.section-title{font-size:30px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.section-sub{margin-top:14px;color:var(--text-2);font-size:16px;max-width:720px;}
.bg-ink .section-title{color:#fff;}
.bg-ink .section-sub{color:rgba(255,255,255,.74);}

/* ---------- Hero ---------- */
.hero{padding:72px 0 88px;}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.hero-copy h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:900;line-height:1.22;letter-spacing:-.01em;color:var(--ink);
  margin:22px 0 0;
}
.hero-sub{margin-top:20px;font-size:17px;color:var(--text-2);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px;
  font-size:14px;color:var(--text-2);
}
.trust-row span{display:inline-flex;align-items:center;gap:14px;}
.trust-row span::after{content:"";width:1px;height:12px;background:var(--line);}
.trust-row span:last-child::after{display:none;}
.hero-media{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-2);}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(18,59,52,.62),rgba(18,59,52,.28) 60%,rgba(18,59,52,.55));
}
.hero-badge{
  position:absolute;right:18px;bottom:18px;z-index:2;
  background:var(--orange);color:#fff;font-size:13px;font-weight:600;
  padding:9px 16px;border-radius:10px;letter-spacing:.04em;
}

/* ---------- 优惠阶梯 ---------- */
.ladder{display:grid;grid-template-columns:120px 1fr;gap:36px;}
.ladder-axis{
  position:relative;border-radius:var(--r-pill);
  background:linear-gradient(180deg,var(--mist),var(--orange));
  min-height:100%;width:6px;margin:12px auto 12px 44px;
}
.ladder-axis::before,.ladder-axis::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--ink-3);
}
.ladder-axis::before{top:-14px;}
.ladder-axis::after{bottom:-14px;border-color:var(--orange);}
.ladder-list{display:flex;flex-direction:column;gap:22px;}
.ladder-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;display:grid;grid-template-columns:96px 1fr auto;gap:24px;align-items:center;
  box-shadow:var(--shadow-1);transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.ladder-item:hover{border-color:var(--mist);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.ladder-item:nth-child(1){width:92%;}
.ladder-item:nth-child(2){width:96%;margin-left:2%;}
.ladder-item:nth-child(3){width:100%;margin-left:4%;}
.ladder-item:nth-child(4){width:100%;margin-left:6%;}
.ladder-num{
  font-size:40px;font-weight:900;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.ladder-body h3{font-size:21px;font-weight:600;color:var(--ink);}
.ladder-body ul{margin-top:10px;display:flex;flex-direction:column;gap:6px;}
.ladder-body li{font-size:15px;color:var(--text-2);padding-left:16px;position:relative;}
.ladder-body li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:var(--mist);}
.ladder-tag{
  display:inline-block;background:var(--sand);color:var(--ink);
  font-size:12.5px;font-weight:600;padding:7px 14px;border-radius:6px;letter-spacing:.04em;white-space:nowrap;
}

/* ---------- 套餐对比 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:30px 26px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;height:100%;
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--mist);}
.plan-featured{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-16px);box-shadow:var(--shadow-2);}
.plan-featured:hover{transform:translateY(-18px);}
.plan-badge{
  position:absolute;top:-13px;right:22px;background:var(--orange);color:#fff;
  font-size:12px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);letter-spacing:.06em;
}
.plan h3{font-size:20px;font-weight:600;}
.plan-desc{font-size:14px;color:var(--text-2);margin-top:8px;}
.plan-featured .plan-desc{color:rgba(255,255,255,.72);}
.plan-price{
  margin:22px 0 6px;display:flex;align-items:baseline;gap:8px;
  font-variant-numeric:tabular-nums;
}
.plan-price .amount{font-size:36px;font-weight:900;line-height:1;letter-spacing:-.02em;}
.plan-price .unit{font-size:13px;color:var(--text-3);}
.plan-featured .plan-price .unit{color:rgba(255,255,255,.7);}
.plan-hint{font-size:13px;color:var(--text-3);}
.plan-featured .plan-hint{color:rgba(255,255,255,.62);}
.plan-list{margin:24px 0 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.plan-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.75;}
.plan-featured .plan-list li{color:rgba(255,255,255,.84);}
.plan-list li::before{content:"✓";color:var(--mist);font-weight:700;flex:none;}
.plan-list li.miss::before{content:"—";color:var(--text-3);}

/* ---------- 限时入口条 ---------- */
.flash{padding:0;}
.flash-inner{
  position:relative;background:var(--ink);color:#fff;border-radius:0;
  padding:40px 0;overflow:hidden;
}
.flash-inner::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.flash-grid{
  position:relative;display:flex;align-items:center;gap:40px;flex-wrap:wrap;
}
.countdown{display:flex;align-items:baseline;gap:8px;}
.countdown .num{
  font-size:38px;font-weight:900;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.countdown .lab{font-size:12px;opacity:.7;letter-spacing:.16em;}
.countdown .sep{font-size:26px;font-weight:700;opacity:.5;}
.flash-text{flex:1;min-width:220px;font-size:16px;opacity:.86;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-lead{
  grid-column:span 3;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.news-lead:hover{border-color:var(--mist);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.news-lead-media{display:block;overflow:hidden;}
.news-lead-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.news-lead:hover .news-lead-media img{transform:scale(1.02);}
.news-lead-body{padding:34px 32px;display:flex;flex-direction:column;gap:14px;}
.news-lead-body h3{font-size:23px;font-weight:600;line-height:1.5;color:var(--ink);}
.news-lead-body p{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.news-card:hover{border-color:var(--mist);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.news-card-media{display:block;overflow:hidden;}
.news-card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-card-media img{transform:scale(1.02);}
.news-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card-body h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card-body p{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.tag-topic{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.04em;
  color:var(--ink-2);border:1px solid var(--mist);border-radius:6px;padding:5px 11px;
}
.meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--card);
  padding:56px 24px;text-align:center;color:var(--text-2);
}
.news-empty .empty-mark{
  width:48px;height:48px;margin:0 auto 16px;border-radius:50%;
  border:1px solid var(--mist);display:flex;align-items:center;justify-content:center;
  color:var(--ink-3);font-size:20px;
}
.news-empty a{margin-top:10px;}

/* ---------- 咨询表单 ---------- */
.contact-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start;}
.contact-info h2{font-size:30px;font-weight:700;line-height:1.35;color:var(--ink);margin-top:18px;}
.contact-info > p{margin-top:16px;color:var(--text-2);font-size:16px;}
.dot-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.dot-list li{
  position:relative;padding-left:22px;font-size:15.5px;color:var(--text-2);
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:50%;
  border:1.5px solid var(--orange);
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:32px;box-shadow:var(--shadow-1);
}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field .req{color:var(--orange);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.8;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.16);
}
.form-note{margin-top:14px;font-size:13px;color:var(--text-3);text-align:center;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:14px 4px;font-size:18px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--orange);}
.faq-icon{position:relative;width:18px;height:18px;flex:none;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-3);transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.5px;}
.faq-icon::after{top:0;left:8px;width:1.5px;height:18px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-answer{
  background:var(--sand);border-radius:10px;padding:20px 22px;margin:0 0 18px;
  color:var(--text-2);font-size:15.5px;max-width:760px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:20px;padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(143,191,176,.16);
}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.4;position:relative;}
.cta-band p{margin-top:10px;font-size:15.5px;color:rgba(255,255,255,.76);max-width:620px;position:relative;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:48px;}
.footer-brand .brand{color:#fff;font-size:19px;}
.footer-brand p{margin-top:16px;font-size:14.5px;color:rgba(255,255,255,.72);max-width:320px;}
.footer-col h3{font-size:15px;font-weight:600;letter-spacing:.06em;color:#fff;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col li{font-size:14.5px;color:rgba(255,255,255,.74);}
.footer-col a{transition:color .2s ease;}
.footer-col a:hover{color:var(--orange);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.7);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px;}
  .plans{grid-template-columns:repeat(3,1fr);gap:18px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .menu-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .ladder{grid-template-columns:1fr;gap:0;}
  .ladder-axis{display:none;}
  .ladder-item,.ladder-item:nth-child(1),.ladder-item:nth-child(2),.ladder-item:nth-child(3),.ladder-item:nth-child(4){
    width:100%;margin-left:0;grid-template-columns:72px 1fr;gap:18px;
  }
  .ladder-tag{grid-column:2;}
  .plans{grid-template-columns:1fr;gap:20px;}
  .plan-featured{transform:none;}
  .plan-featured:hover{transform:translateY(-2px);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-lead{grid-column:span 2;grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{padding:44px 32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .topbar-inner{padding:0 18px;}
  .topbar p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .header-inner{padding:0 18px;min-height:68px;gap:16px;}
  .brand{font-size:17px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .section-title{font-size:24px;}
  .hero{padding:40px 0 56px;}
  .hero-copy h1{font-size:29px;}
  .news-grid{grid-template-columns:1fr;}
  .news-lead{grid-column:span 1;}
  .news-lead-body{padding:24px 22px;}
  .flash-grid{gap:20px;}
  .countdown .num{font-size:30px;}
  .form-card{padding:24px 20px;}
  .faq-item summary{font-size:16.5px;min-height:58px;}
  .cta-band{padding:36px 24px;border-radius:16px;}
  .cta-band h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519px){
  .hero-cta .btn{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .ladder-item,.ladder-item:nth-child(n){grid-template-columns:1fr;gap:12px;}
  .ladder-tag{grid-column:1;}
  .ladder-num{font-size:32px;}
  .plan-price .amount{font-size:30px;}
  .trust-row{flex-direction:column;align-items:flex-start;gap:8px;}
  .trust-row span::after{display:none;}
}

/* roulang page: article */
:root{
  --ink:#123B34;
  --ink-2:#1E5A4E;
  --ink-3:#2E7D6B;
  --orange:#FF6A2B;
  --orange-h:#E7561B;
  --mist:#8FBFB0;
  --sand:#F0E5D2;
  --paper:#F8F6F1;
  --panel:#F1EEE7;
  --text:#1B2320;
  --muted:#5C6B65;
  --faint:#8C9791;
  --line:#E4E0D6;
  --white:#ffffff;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(18,59,52,.06);
  --sh-hover:0 12px 32px -16px rgba(18,59,52,.22);
  --max:1200px;
  --pad:24px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--ink);color:#fff;font-size:13px;}
.topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-text{opacity:.86;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-link{color:var(--orange);font-weight:600;white-space:nowrap;transition:opacity .2s ease;}
.topbar-link:hover{opacity:.78;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(248,246,241,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em;
}
.brand-dot{width:8px;height:8px;border-radius:2px;background:var(--orange);display:inline-block;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:17px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--orange);transition:width .28s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  padding:14px 28px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px -10px rgba(255,106,43,.8);}
.btn-primary:hover{background:var(--orange-h);transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(231,86,27,.85);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--ink-2);color:var(--ink-2);}
.btn-ghost:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:15px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--orange-h);
  font-size:15px;font-weight:600;
}
.btn-text .arrow{transition:transform .2s ease;}
.btn-text:hover .arrow{transform:translateX(4px);}

/* ---------- 移动抽屉 ---------- */
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:86vw;max-width:360px;
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;
}
.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:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;color:var(--ink);cursor:pointer;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  font-size:17px;font-weight:500;color:var(--ink-2);
  padding:13px 0;border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--ink);font-weight:700;position:relative;padding-left:14px;}
.drawer-nav a.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--orange);
}
.drawer-cta{margin-top:auto;width:100%;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,59,52,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding-top:26px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--muted);
  padding-bottom:18px;border-bottom:1px solid var(--line);
}
.crumb a{color:var(--muted);transition:color .2s ease;}
.crumb a:hover{color:var(--orange-h);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--faint);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{padding:44px 0 8px;max-width:860px;}
.article-tag{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.18em;
  color:var(--ink-2);border:1px solid var(--mist);border-radius:6px;
  padding:5px 12px;margin-bottom:20px;
}
.article-head h1{
  font-size:38px;line-height:1.35;font-weight:800;letter-spacing:-.01em;
}
.article-sub{margin-top:16px;font-size:19px;color:var(--muted);line-height:1.8;max-width:760px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;font-size:14px;color:var(--faint);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-meta .cat{
  color:var(--ink-2);border:1px solid var(--mist);border-radius:6px;
  padding:2px 10px;font-size:13px;font-weight:600;
}

/* ---------- 正文 ---------- */
.article-main{padding:26px 0 8px;}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:17px;line-height:1.95;color:var(--text);
}
.article-body p{margin:0 0 22px;}
.article-body h2{font-size:28px;font-weight:700;line-height:1.45;margin:56px 0 20px;}
.article-body h3{font-size:21px;font-weight:600;line-height:1.5;margin:40px 0 16px;}
.article-body h4{font-size:18px;font-weight:600;margin:32px 0 14px;}
.article-body a{color:var(--orange-h);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--orange);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:24px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:10px;}
.article-body ul li::marker{color:var(--mist);}
.article-body ol li::marker{color:var(--ink-3);font-weight:600;}
.article-body blockquote{
  margin:28px 0;padding:20px 22px;background:var(--sand);
  border-left:3px solid var(--orange);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--ink-2);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:26px 0;}
.article-body figure{margin:28px 0;}
.article-body figcaption{font-size:13px;color:var(--faint);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--sand);color:var(--ink);font-weight:600;}
.article-body pre{
  background:#0f2b26;color:#dff0ea;padding:18px 20px;border-radius:var(--r-img);
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body hr{border:none;border-top:1px solid var(--line);margin:40px 0;}

/* ---------- 空态 ---------- */
.article-empty{
  max-width:760px;margin:0 auto;text-align:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 28px;box-shadow:var(--sh-card);
}
.article-empty .mark{
  width:56px;height:56px;margin:0 auto 20px;border-radius:50%;
  border:1px solid var(--mist);display:flex;align-items:center;justify-content:center;
  color:var(--ink-3);font-size:22px;font-weight:700;
}
.article-empty h2{font-size:24px;font-weight:700;margin-bottom:12px;}
.article-empty p{color:var(--muted);max-width:460px;margin:0 auto 26px;}

/* ---------- 文末信息 ---------- */
.endmatter{padding:56px 0 0;}
.endmatter .inner{max-width:760px;margin:0 auto;}
.source-card{
  background:var(--sand);border-radius:var(--r-card);padding:24px 26px;
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
}
.source-card .s-title{font-size:16px;font-weight:700;color:var(--ink);}
.source-card .s-desc{font-size:14px;color:var(--muted);margin-top:6px;}
.pager{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:28px;
}
.pager a{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pager a:hover{border-color:var(--mist);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.pager .p-label{font-size:13px;color:var(--faint);letter-spacing:.16em;font-weight:600;}
.pager .p-title{font-size:16px;font-weight:600;color:var(--ink);margin-top:8px;line-height:1.6;}
.pager .next{text-align:right;}
.back-link{margin-top:26px;}

/* ---------- 相关推荐 ---------- */
.related{background:var(--panel);margin-top:72px;padding:80px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;
}
.section-head h2{font-size:30px;font-weight:700;}
.section-head .lead{margin-top:10px;font-size:16px;color:var(--muted);max-width:620px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.card:hover{border-color:var(--mist);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.card-media{aspect-ratio:4/3;overflow:hidden;background:var(--sand);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.02);}
.card-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.card-tag{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.18em;
  color:var(--ink-2);background:var(--sand);border-radius:var(--r-pill);
  padding:5px 12px;margin-bottom:14px;
}
.card-title{font-size:19px;font-weight:600;line-height:1.55;color:var(--ink);}
.card-desc{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8;}
.card-foot{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--faint);
}

/* ---------- FAQ ---------- */
.faq-section{padding:88px 0;}
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:18px;font-weight:600;color:var(--ink);
}
.faq-q .sign{
  position:relative;width:18px;height:18px;flex:0 0 18px;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;background:var(--ink-3);transition:transform .25s ease,opacity .25s ease;
}
.faq-q .sign::before{left:0;top:8px;width:18px;height:1.5px;}
.faq-q .sign::after{top:0;left:8px;width:1.5px;height:18px;}
.faq-item.is-open .faq-q .sign::after{transform:rotate(90deg);opacity:0;}
.faq-item.is-open .faq-q{color:var(--orange-h);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;background:var(--sand);}
.faq-a p{max-width:760px;padding:20px 24px;font-size:16px;line-height:1.9;color:var(--ink-2);}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);color:#fff;padding:72px 0;}
.cta-band .inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:28px;font-weight:700;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:16px;max-width:620px;}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-outline-light{
  background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff;
}
.btn-outline-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:72px 0 28px;}
.footer-grid{
  display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:48px;
}
.footer-brand .brand{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.9;max-width:320px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--orange);}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.7);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .header-actions .btn-ghost{display:none;}
  .menu-toggle{display:flex;}
  .article-head h1{font-size:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:768px){
  :root{--pad:18px;}
  .header-inner{height:68px;}
  .brand{font-size:17px;}
  .article-head{padding-top:34px;}
  .article-head h1{font-size:28px;}
  .article-sub{font-size:17px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:24px;margin-top:44px;}
  .article-body h3{font-size:19px;margin-top:34px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .related{padding:60px 0;margin-top:56px;}
  .faq-section{padding:60px 0;}
  .cta-band{padding:56px 0;}
  .pager{grid-template-columns:1fr;}
  .pager .next{text-align:left;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .topbar .container{height:34px;}
  .topbar-text{font-size:12px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .article-head h1{font-size:25px;}
  .btn{padding:13px 22px;font-size:15px;}
  .cta-band h2{font-size:23px;}
  .source-card{flex-direction:column;align-items:flex-start;}
  .crumb .current{max-width:100%;}
}

/* roulang page: category1 */
:root{
  --green-900:#123B34;
  --green-700:#1E5A4E;
  --green-500:#2E7D6B;
  --orange:#FF6A2B;
  --orange-dark:#E7561B;
  --mist:#8FBFB0;
  --sand:#F0E5D2;
  --sand-soft:#F6EFE3;
  --paper:#F8F6F1;
  --soft:#F1EEE7;
  --card:#FFFFFF;
  --ink:#1B2320;
  --ink-2:#5C6B65;
  --ink-3:#8C9791;
  --line:#E4E0D6;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-tag:6px;
  --shadow-card:0 1px 2px rgba(18,59,52,.06);
  --shadow-hover:0 12px 32px -16px rgba(18,59,52,.22);
  --container:1200px;
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--green-900);color:#fff;}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:38px;font-size:13px;letter-spacing:.02em;
}
.topbar-inner span{opacity:.86;}
.topbar-inner a{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,106,43,.7);}
.topbar-inner a:hover{color:var(--orange);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(248,246,241,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;min-height:76px;}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--green-900);
  white-space:nowrap;
}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--orange);flex:none;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:16.5px;font-weight:500;color:var(--green-900);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--orange);transition:width .26s ease;
}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{font-weight:700;}
.nav-link.is-active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-drawer-cta{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#fff;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--green-900);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;padding:14px 28px;border-radius:999px;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px -12px rgba(255,106,43,.9);}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(231,86,27,.95);}
.btn-primary:active{transform:translateY(-1px);}
.btn-outline{border-color:var(--green-900);color:var(--green-900);background:transparent;}
.btn-outline:hover{background:var(--green-900);color:#fff;}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--green-900);border-color:#fff;}
.btn-sm{padding:10px 20px;font-size:14.5px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--orange);font-weight:600;font-size:15px;
}
.btn-text span{transition:transform .2s ease;}
.btn-text:hover span{transform:translateX(4px);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;
  padding:5px 12px;border-radius:999px;line-height:1.6;
}
.tag-sun{background:var(--orange);color:#fff;}
.tag-sand{background:var(--sand);color:var(--green-900);}
.tag-mist{border:1px solid var(--mist);color:var(--green-700);background:rgba(143,191,176,.12);}
.tag-square{border-radius:var(--radius-tag);}

/* ---------- 页头 ---------- */
.page-hero{
  background:
    radial-gradient(1100px 420px at 88% 12%,rgba(255,106,43,.10),transparent 62%),
    linear-gradient(180deg,var(--sand-soft),var(--paper));
  border-bottom:1px solid var(--line);
  padding:56px 0 60px;
}
.page-hero-grid{
  display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;
}
.page-hero-text h1{
  font-size:44px;line-height:1.25;font-weight:900;letter-spacing:-.01em;
  color:var(--green-900);margin:18px 0 0;
}
.page-hero-text .lead{
  margin-top:18px;font-size:17px;color:var(--ink-2);max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;
  font-size:14px;color:var(--ink-3);
}
.hero-facts li{display:flex;align-items:center;gap:14px;}
.hero-facts li + li::before{content:"";width:1px;height:14px;background:var(--line);}
.page-hero-media{position:relative;}
.page-hero-media img{
  width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:16px;
  box-shadow:var(--shadow-hover);
}
.page-hero-media::after{
  content:"";position:absolute;inset:0;border-radius:16px;
  background:linear-gradient(180deg,rgba(18,59,52,.34),rgba(18,59,52,.06));
  pointer-events:none;
}
.page-hero-media figcaption{
  position:absolute;left:18px;bottom:16px;z-index:2;
  font-size:12.5px;color:#fff;opacity:.86;letter-spacing:.04em;
}
.page-hero-media .hero-badge{
  position:absolute;right:16px;top:16px;z-index:2;
  background:var(--orange);color:#fff;font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:999px;letter-spacing:.08em;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 24px 0;font-size:14px;color:var(--ink-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{content:"/";color:var(--line);}
.breadcrumb a:hover{color:var(--orange);}
.breadcrumb .current{color:var(--ink-2);}

/* ---------- 区块骨架 ---------- */
.section{padding:88px 0;}
.section--soft{background:var(--soft);}
.section--sand{background:var(--sand);}
.section--paper{background:var(--paper);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-title{
  font-size:30px;line-height:1.4;font-weight:700;color:var(--green-900);
  margin-top:14px;
}
.section-lead{margin-top:14px;font-size:16.5px;color:var(--ink-2);}

/* ---------- 三条线索卡 ---------- */
.clue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.clue-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.clue-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--mist);}
.clue-index{
  font-size:38px;font-weight:900;line-height:1;color:var(--green-500);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.clue-card h3{font-size:20px;font-weight:600;color:var(--green-900);margin-top:16px;}
.clue-card p{font-size:15px;color:var(--ink-2);line-height:1.85;margin-top:10px;}
.clue-card .clue-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--ink-3);
}

/* ---------- 交替图文块 ---------- */
.split{
  display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;
  padding:44px 0;
}
.split + .split{border-top:1px solid var(--line);}
.split-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--radius-img);box-shadow:var(--shadow-card);
}
.split-media figcaption{margin-top:10px;font-size:13px;color:var(--ink-3);text-align:center;}
.split-body h2{
  font-size:28px;line-height:1.4;font-weight:700;color:var(--green-900);
  margin-top:14px;
}
.split-body p{margin-top:14px;color:var(--ink-2);}
.split-body .split-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.split.reverse .split-media{order:2;}
.split.reverse .split-body{order:1;}

.feature-list{margin-top:22px;display:grid;gap:12px;}
.feature-list li{
  position:relative;padding-left:22px;font-size:15.5px;color:var(--ink-2);
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--mist);
}
.feature-list strong{color:var(--green-900);font-weight:600;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px;padding-left:40px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--mist),var(--orange));border-radius:2px;
}
.timeline-item{position:relative;padding:0 0 36px 0;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-40px;top:8px;width:20px;height:20px;border-radius:50%;
  background:var(--card);border:2px solid var(--mist);
}
.timeline-item:last-child::before{border-color:var(--orange);background:var(--orange);}
.timeline-index{
  font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--orange);
  font-variant-numeric:tabular-nums;
}
.timeline-body h3{font-size:21px;font-weight:600;color:var(--green-900);margin-top:6px;}
.timeline-body p{margin-top:8px;color:var(--ink-2);max-width:44em;}
.timeline-body .tag{margin-top:12px;}

/* ---------- 清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.check-item{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.check-item:hover{border-color:var(--mist);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.check-mark{
  flex:none;width:26px;height:26px;border-radius:50%;background:rgba(143,191,176,.22);
  color:var(--green-700);display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;margin-top:4px;
}
.check-item h3{font-size:17.5px;font-weight:600;color:var(--green-900);}
.check-item p{margin-top:6px;font-size:15px;color:var(--ink-2);}

/* ---------- 咨询区 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 6fr;gap:48px;align-items:start;}
.contact-copy h2{font-size:30px;font-weight:700;color:var(--green-900);line-height:1.4;margin-top:14px;}
.contact-copy p{margin-top:14px;color:var(--ink-2);max-width:32em;}
.dot-list{margin-top:24px;display:grid;gap:14px;}
.dot-list li{position:relative;padding-left:20px;font-size:15.5px;color:var(--ink-2);}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--orange);
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:32px;box-shadow:var(--shadow-hover);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--green-900);margin-bottom:8px;}
.field .req{color:var(--orange);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-input);
  background:var(--paper);padding:12px 14px;min-height:48px;font-size:15.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.8;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);background:#fff;
  box-shadow:0 0 0 4px rgba(255,106,43,.14);
}
.form-note{margin-top:14px;font-size:13px;color:var(--ink-3);text-align:center;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--green-900);color:#fff;padding:72px 0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 2px,transparent 2px 12px);
}
.cta-band-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:30px;font-weight:700;line-height:1.4;color:#fff;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);max-width:36em;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 0;text-align:left;
  font-size:18px;font-weight:600;color:var(--green-900);
}
.faq-icon{position:relative;flex:none;width:18px;height:18px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--green-500);border-radius:2px;transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-item.is-open .faq-q{color:var(--orange);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;background:var(--sand-soft);}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a-inner{padding:20px 24px;max-width:760px;}
.faq-a-inner p{font-size:15.5px;color:var(--ink-2);line-height:1.9;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-900);color:#fff;padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:48px;}
.footer-brand .brand{color:#fff;font-size:19px;}
.footer-brand p{margin-top:16px;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.9;max-width:26em;}
.footer-col h3{font-size:14px;font-weight:700;letter-spacing:.16em;color:rgba(255,255,255,.62);margin-bottom:16px;}
.footer-col li + li{margin-top:10px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.86);}
.footer-col a:hover{color:var(--orange);}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.7);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .clue-grid{grid-template-columns:repeat(2,1fr);}
  .page-hero-text h1{font-size:38px;}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:86vw;max-width:360px;
    background:var(--paper);flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 32px;transform:translateX(102%);
    transition:transform .32s ease;box-shadow:-18px 0 40px -24px rgba(18,59,52,.4);
    z-index:60;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--orange);}
  .nav-link.is-active::before{
    content:"";display:inline-block;width:7px;height:7px;border-radius:50%;
    background:var(--orange);margin-right:10px;vertical-align:middle;
  }
  .nav-drawer-cta{
    display:flex;margin-top:28px;background:var(--orange);color:#fff;
    justify-content:center;padding:14px;border-radius:999px;font-weight:600;
  }
  .nav-actions{display:none;}
  .nav-toggle{display:flex;z-index:70;position:relative;}
  .nav-toggle.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.is-open i:nth-child(2){opacity:0;}
  .nav-toggle.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero-media img{aspect-ratio:16/9;}
  .split{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .split.reverse .split-media{order:1;}
  .split.reverse .split-body{order:2;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .breadcrumb{padding:16px 18px 0;}
  .page-hero{padding:40px 0 44px;}
  .page-hero-text h1{font-size:30px;}
  .section-title{font-size:25px;}
  .split-body h2{font-size:23px;}
  .contact-copy h2,.cta-band h2{font-size:24px;}
  .clue-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .form-card{padding:24px;}
  .faq-q{font-size:16.5px;min-height:58px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .hero-facts{flex-direction:column;gap:8px;}
  .hero-facts li + li::before{display:none;}
}
@media (max-width:520px){
  .page-hero-text h1{font-size:27px;}
  .section{padding:48px 0;}
  .btn{padding:12px 22px;font-size:15px;}
  .timeline{padding-left:30px;}
  .timeline-item::before{left:-30px;width:16px;height:16px;}
  .timeline::before{left:7px;}
}

/* roulang page: category2 */
:root{
  --ink:#123B34;
  --ink-2:#1E5A4E;
  --ink-3:#2E7D6B;
  --orange:#FF6A2B;
  --orange-h:#E7561B;
  --mist:#8FBFB0;
  --sand:#F0E5D2;
  --paper:#F8F6F1;
  --card:#FFFFFF;
  --zone:#F1EEE7;
  --text:#1B2320;
  --text-2:#5C6B65;
  --text-3:#8C9791;
  --line:#E4E0D6;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --r-block:16px;
  --sh-card:0 1px 2px rgba(18,59,52,.06);
  --sh-hover:0 12px 32px -16px rgba(18,59,52,.22);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
p{color:var(--text-2)}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部公告 ---------- */
.topbar{background:var(--ink);color:#fff;font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0}
.topbar p{color:rgba(255,255,255,.82);margin:0}
.topbar a{color:var(--orange);font-weight:600;white-space:nowrap;transition:opacity .2s var(--ease)}
.topbar a:hover{opacity:.8}

/* ---------- 导航 ---------- */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-dot{width:9px;height:9px;border-radius:2px;background:var(--orange);display:inline-block;flex:none}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;font-size:17px;font-weight:500;color:var(--ink);padding:4px 0;transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--orange);transition:width .28s var(--ease)}
.nav-link:hover::after{width:100%}
.nav-link.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--ink);border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--ink)}
.nav-toggle .bars{display:inline-block;width:14px;height:2px;background:var(--ink);box-shadow:0 5px 0 var(--ink),0 -5px 0 var(--ink)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);font-weight:600;transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .25s var(--ease),border-color .2s var(--ease)}
.btn-sm{font-size:14px;padding:10px 20px}
.btn-md{font-size:16px;padding:14px 28px}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px -12px rgba(255,106,43,.9)}
.btn-primary:hover{background:var(--orange-h);transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(231,86,27,.85)}
.btn-primary:active{transform:translateY(-1px)}
.btn-line{border:1px solid var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-line:active{transform:translateY(-1px)}
.btn-line-light{border:1px solid rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-line-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-text{color:var(--orange);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.btn-text .arrow{transition:transform .22s var(--ease)}
.btn-text:hover .arrow{transform:translateX(4px)}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 标签 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.18em;padding:6px 14px;border-radius:var(--r-pill)}
.tag-promo{background:var(--orange);color:#fff;letter-spacing:.1em}
.tag-warm{background:var(--sand);color:var(--ink);letter-spacing:.08em}
.tag-outline{border:1px solid var(--mist);color:var(--ink-2);border-radius:6px;letter-spacing:.06em;padding:5px 10px}
.tag-plain{background:var(--zone);color:var(--text-2);letter-spacing:.04em}

/* ---------- 页头 ---------- */
.page-hero{background:linear-gradient(180deg,#F3EDE1 0%,var(--paper) 100%);padding:64px 0 56px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy .tag{margin-bottom:22px}
.hero-copy h1{font-size:44px;line-height:1.3;font-weight:900;letter-spacing:-.01em;color:var(--ink)}
.hero-copy .lead{margin-top:20px;font-size:18px;line-height:1.85;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;font-size:14px;color:var(--text-3)}
.hero-meta span{display:inline-flex;align-items:center;gap:10px}
.hero-meta .sep{width:1px;height:12px;background:var(--line);display:inline-block}
.hero-figure{position:relative;border-radius:var(--r-block);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(18,59,52,.42),rgba(18,59,52,.08) 60%)}
.hero-badge{position:absolute;right:18px;bottom:18px;z-index:2}

/* ---------- 面包屑 ---------- */
.crumb{border-bottom:1px solid var(--line);background:var(--paper)}
.crumb-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);padding:16px 0}
.crumb a{color:var(--text-2);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--orange)}
.crumb .slash{color:var(--line)}
.crumb .current{color:var(--text-3)}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-zone{background:var(--zone)}
.section-sand{background:var(--sand)}
.section-dark{background:var(--ink);color:#fff}
.section-head{max-width:760px}
.section-head h2{font-size:30px;font-weight:700;color:var(--ink);letter-spacing:-.01em;margin-top:16px}
.section-head .desc{margin-top:16px;font-size:16.5px;line-height:1.9}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head .desc{color:rgba(255,255,255,.78)}

/* ---------- 编号清单 ---------- */
.steps{margin-top:56px;border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:132px 1fr;gap:32px;padding:38px 0;border-bottom:1px solid var(--line)}
.step-num{font-size:46px;font-weight:800;line-height:1;letter-spacing:-.02em;color:var(--mist);font-variant-numeric:tabular-nums}
.step-body h3{font-size:22px;font-weight:600;color:var(--ink)}
.step-body p{margin-top:10px;font-size:16px;max-width:720px}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.step-link{margin-top:14px;display:inline-flex}

/* ---------- 全宽图 ---------- */
.full-figure{margin-top:56px}
.full-figure img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--r-block)}
.full-figure figcaption{margin-top:14px;font-size:13px;color:var(--text-3);text-align:center;line-height:1.8}

/* ---------- 键值清单 ---------- */
.kv-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;margin-top:48px}
.kv-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-block);overflow:hidden}
.kv-row{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:22px 28px;border-top:1px solid var(--line)}
.kv-row:first-child{border-top:0}
.kv-key{font-weight:600;color:var(--ink)}
.kv-val{font-size:15.5px;color:var(--text-2);line-height:1.85}
.kv-aside{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card)}
.kv-aside img{width:100%;aspect-ratio:3/2;object-fit:cover}
.kv-aside .body{padding:24px}
.kv-aside h3{font-size:20px;font-weight:600;color:var(--ink)}
.kv-aside p{margin-top:10px;font-size:15.5px}

/* ---------- 规则卡片 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.rule-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-card);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.rule-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--mist)}
.rule-card .tag{margin-bottom:18px}
.rule-card h3{font-size:20px;font-weight:600;color:var(--ink)}
.rule-card p{margin-top:12px;font-size:15.5px}
.rule-card .mini-list{margin-top:16px;display:grid;gap:10px}
.rule-card .mini-list li{position:relative;padding-left:18px;font-size:15px;color:var(--text-2);line-height:1.8}
.rule-card .mini-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--mist)}

/* ---------- FAQ ---------- */
.faq{margin-top:48px;border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;text-align:left;padding:22px 4px;font-size:18px;font-weight:600;color:var(--ink);transition:color .2s var(--ease)}
.faq-q:hover{color:var(--orange-h)}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-2);transition:transform .25s var(--ease),opacity .25s var(--ease)}
.faq-icon::before{left:0;top:7px;width:16px;height:1.5px}
.faq-icon::after{left:7px;top:0;width:1.5px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a-inner{background:var(--sand);border-radius:var(--r-card);padding:20px 24px;margin:0 0 22px;max-width:760px}
.faq-a-inner p{font-size:15.5px;color:var(--text);line-height:1.9}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);color:#fff;padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-copy{max-width:660px}
.cta-copy h2{font-size:28px;font-weight:700;color:#fff}
.cta-copy p{margin-top:14px;color:rgba(255,255,255,.78);font-size:16.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:48px}
.footer-brand .brand{color:#fff;font-size:19px}
.footer-brand p{margin-top:18px;color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;max-width:340px}
.footer-col h3{font-size:14px;font-weight:600;letter-spacing:.14em;color:var(--mist);margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{color:rgba(255,255,255,.78);font-size:15px;position:relative;transition:color .2s var(--ease)}
.footer-col a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--orange);transition:width .26s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-col a:hover::after{width:100%}
.footer-bottom{margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.7)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;top:0;right:0;height:100%;width:86vw;max-width:360px;background:var(--paper);z-index:90;transform:translateX(102%);transition:transform .32s var(--ease);display:flex;flex-direction:column;box-shadow:-20px 0 40px -24px rgba(18,59,52,.4)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line)}
.drawer-head .brand{font-size:18px}
.drawer-close{font-size:14px;color:var(--text-2);border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px}
.drawer-nav{padding:8px 24px;flex:1;overflow:auto}
.drawer-nav a{display:flex;align-items:center;gap:10px;min-height:44px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink);font-weight:500}
.drawer-nav a.is-active{color:var(--orange-h);font-weight:600}
.drawer-nav a.is-active::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
.drawer-foot{padding:20px 24px 28px}
.drawer-foot .btn{width:100%}
.scrim{position:fixed;inset:0;background:rgba(18,59,52,.4);opacity:0;visibility:hidden;transition:opacity .3s var(--ease);z-index:80}
.scrim.is-open{opacity:1;visibility:visible}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy h1{font-size:38px}
  .kv-layout{grid-template-columns:1fr;gap:32px}
  .rule-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .page-hero{padding:48px 0 44px}
  .hero-copy h1{font-size:31px}
  .hero-copy .lead{font-size:16.5px}
  .section-head h2{font-size:25px}
  .step{grid-template-columns:1fr;gap:14px;padding:30px 0}
  .step-num{font-size:36px}
  .kv-row{grid-template-columns:1fr;gap:8px;padding:20px 22px}
  .rule-grid{grid-template-columns:1fr}
  .full-figure img{aspect-ratio:16/9}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand p{max-width:none}
  .topbar-inner{flex-wrap:wrap;justify-content:center;text-align:center;gap:6px}
}
@media (max-width:520px){
  body{font-size:16px}
  .container{padding:0 18px}
  .header-inner{min-height:68px}
  .brand{font-size:18px}
  .hero-copy h1{font-size:27px;line-height:1.34}
  .hero-copy .lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .section{padding:52px 0}
  .step-num{font-size:32px}
  .faq-q{font-size:16.5px}
  .faq-a-inner{padding:16px 18px}
  .kv-list{border-radius:var(--r-card)}
  .cta-copy h2{font-size:23px}
  .footer-bottom{font-size:12.5px}
}