/* roulang page: index */
:root{
  --brand-600:#0e7c6b;
  --brand-700:#0a5f52;
  --brand-100:#dcf2ec;
  --accent-500:#f0a126;
  --accent-600:#d8891a;
  --accent-100:#fdf1dc;
  --ink-900:#12181f;
  --ink-600:#47525c;
  --ink-400:#8b959e;
  --bg-000:#ffffff;
  --bg-050:#f6f8f7;
  --bg-900:#0f1a1c;
  --line:#e3e8e6;
  --sh-sm:0 1px 2px rgba(18,24,31,.05);
  --sh-md:0 8px 28px rgba(18,24,31,.08);
  --sh-glass:0 6px 24px rgba(0,0,0,.18);
  --radius-card:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink-900);
  background:var(--bg-050);
}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,124,107,.28);border-radius:10px;}
::selection{background:var(--brand-100);color:var(--brand-700);}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-600);background:var(--brand-100);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-title{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:.01em;}
.section-desc{margin-top:14px;color:var(--ink-600);font-size:16px;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:var(--sh-glass);
  transition:background .32s ease,border-color .32s ease,box-shadow .32s ease,height .32s ease;
}
.site-header.is-stuck{
  background:rgba(15,26,28,.96);
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 10px 30px rgba(0,0,0,.32);
}
.header-inner{display:flex;align-items:center;gap:28px;height:78px;transition:height .32s ease;}
.site-header.is-stuck .header-inner{height:66px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500,#12a189));
  color:#fff;font-weight:700;font-size:19px;
  box-shadow:0 6px 16px rgba(14,124,107,.35);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.84);
  transition:color .22s ease,background .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:3px;height:2px;width:0;
  background:var(--brand-500,#12a189);border-radius:2px;
  transform:translateX(-50%);transition:width .26s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1);}
.nav-link:hover::after{width:52%;}
.nav-link.active{color:#fff;}
.nav-link.active::before{
  content:"";position:absolute;left:6px;top:50%;width:5px;height:5px;border-radius:50%;
  background:var(--accent-500);transform:translateY(-50%);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  transition:background .22s ease,transform .22s ease,border-color .22s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.42);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(1px);}
.menu-btn{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .24s ease,color .24s ease,transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 6px 18px rgba(14,124,107,.26);}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 12px 26px rgba(14,124,107,.34);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(14,124,107,.24);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.42);backdrop-filter:blur(8px);}
.btn-ghost:hover{background:rgba(255,255,255,.22);border-color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--brand-600);border:1px solid var(--line);box-shadow:var(--sh-sm);}
.btn-outline:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-1px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:96;
  background:rgba(15,26,28,.97);
  backdrop-filter:blur(16px) saturate(140%);
  border-left:1px solid rgba(255,255,255,.12);
  transform:translateX(102%);transition:transform .34s cubic-bezier(.4,.02,.2,1);
  padding:24px 22px;color:#fff;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;z-index:94;background:rgba(9,14,16,.55);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.86);background:rgba(255,255,255,.05);
  transition:background .22s ease,color .22s ease;
}
.drawer-nav a:hover{background:rgba(255,255,255,.14);color:#fff;}
.drawer-nav a.active{background:var(--brand-600);color:#fff;}
.drawer-foot{margin-top:28px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.8;}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:640px;
  display:flex;align-items:center;
  padding:150px 0 80px;
  color:#fff;
  background-image:
    linear-gradient(100deg,rgba(11,20,22,.94) 0%,rgba(11,20,22,.78) 42%,rgba(11,20,22,.32) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
}
.hero-inner{max-width:740px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  color:#fff;margin-bottom:22px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500);box-shadow:0 0 0 4px rgba(240,161,38,.22);}
.hero h1{
  font-size:46px;line-height:1.22;font-weight:700;letter-spacing:.01em;
  text-shadow:0 2px 18px rgba(0,0,0,.35);
}
.hero-sub{
  margin-top:22px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;}
.stat-pill{
  min-width:118px;padding:12px 18px;border-radius:16px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(10px);
}
.stat-pill .k{font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.02em;}
.stat-pill .v{font-size:21px;font-weight:700;line-height:1.4;}

/* ============ 快捷入口 ============ */
.quick-wrap{margin-top:-58px;position:relative;z-index:20;}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.quick-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--sh-md);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.quick-card:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(18,24,31,.12);border-color:var(--brand-100);}
.quick-ico{
  width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);
}
.quick-card h3{font-size:17px;font-weight:700;}
.quick-card p{font-size:14px;color:var(--ink-600);line-height:1.75;}
.quick-link{font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;margin-top:2px;}
.quick-card:hover .quick-link{color:var(--brand-700);}

/* ============ 玩法步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--sh-sm);
  transition:transform .26s ease,box-shadow .26s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.step-no{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent-600);
  background:var(--accent-100);display:inline-block;padding:4px 12px;border-radius:999px;
}
.step h3{font-size:18px;font-weight:700;margin-top:16px;}
.step p{font-size:14px;color:var(--ink-600);margin-top:10px;line-height:1.8;}
.step::after{
  content:"";position:absolute;top:52px;right:-14px;width:28px;height:2px;
  background-image:linear-gradient(90deg,var(--brand-100),var(--brand-100));
  border-top:2px dashed #cfe3dd;
}
.step:last-child::after{display:none;}

/* ============ 奖励网格 ============ */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.reward-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--brand-100);}
.reward-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.reward-body{padding:20px;}
.reward-body h3{font-size:17px;font-weight:700;}
.reward-body p{font-size:14px;color:var(--ink-600);margin-top:10px;line-height:1.75;}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);
}
.badge-accent{background:var(--accent-100);color:var(--accent-600);}
.badge-neutral{background:#eef1f0;color:var(--ink-600);}
.reward-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;}

/* ============ 任务进度 ============ */
.task-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--sh-md);
}
.task-row{
  display:grid;grid-template-columns:220px 1fr 96px 108px;
  align-items:center;gap:20px;padding:18px 0;border-bottom:1px dashed var(--line);
}
.task-row:last-child{border-bottom:0;padding-bottom:4px;}
.task-name{font-size:15px;font-weight:600;}
.progress{height:8px;border-radius:999px;background:var(--brand-100);overflow:hidden;}
.progress-bar{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-600),var(--accent-500));}
.task-pct{font-size:14px;font-weight:700;color:var(--brand-700);text-align:right;font-variant-numeric:tabular-nums;}
.task-btn{
  height:38px;border-radius:999px;font-size:13px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-600);color:#fff;transition:background .22s ease,transform .22s ease;
}
.task-btn:hover{background:var(--brand-700);transform:translateY(-1px);}
.task-btn.done{background:var(--brand-100);color:var(--brand-700);cursor:default;}
.task-btn.done:hover{transform:none;background:var(--brand-100);}
.task-btn.lock{background:#eef1f0;color:var(--ink-400);cursor:not-allowed;}
.task-btn.lock:hover{transform:none;background:#eef1f0;}

/* ============ 最新信息 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.link-more{font-size:15px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;transition:gap .22s ease,color .22s ease;}
.link-more:hover{color:var(--brand-700);gap:10px;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.news-card{
  display:flex;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px;box-shadow:var(--sh-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--brand-100);}
.news-card img{width:150px;flex-shrink:0;aspect-ratio:16/10;object-fit:cover;border-radius:14px;}
.news-body{min-width:0;display:flex;flex-direction:column;gap:8px;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-400);}
.news-body h3{
  font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--ink-600);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-date{font-size:13px;color:var(--ink-400);margin-top:auto;}
.empty-state{
  grid-column:1 / -1;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:56px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--radius-card);color:var(--ink-600);
}
.empty-state svg{opacity:.5;}

/* ============ 玩家反馈 ============ */
.trust-wrap{background:var(--bg-900);color:#fff;border-radius:28px;padding:56px 48px;}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px;}
.trust-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:24px;}
.trust-card p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);}
.trust-user{margin-top:16px;font-size:13px;color:rgba(255,255,255,.55);}
.trust-nums{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.trust-num .v{font-size:30px;font-weight:700;color:#fff;line-height:1.4;}
.trust-num .k{font-size:13px;color:rgba(255,255,255,.6);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-sm);overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;}
.faq-item:hover{border-color:var(--brand-100);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:60px;padding:16px 22px;text-align:left;font-size:16px;font-weight:600;
  transition:color .22s ease;
}
.faq-item.open .faq-q{color:var(--brand-700);}
.faq-icon{
  width:26px;height:26px;border-radius:9px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);font-size:16px;font-weight:700;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.open .faq-icon{background:var(--brand-600);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s cubic-bezier(.4,.02,.2,1);}
.faq-a-inner{padding:0 22px 20px;border-top:1px solid var(--line);color:var(--ink-600);font-size:15px;line-height:1.9;}
.faq-a-inner p{padding-top:16px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;color:#fff;border-radius:28px;overflow:hidden;
  padding:64px 56px;text-align:center;
  background-image:
    linear-gradient(120deg,rgba(10,95,82,.94),rgba(15,26,28,.92)),
    url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:32px;font-weight:700;line-height:1.35;}
.cta-band p{margin-top:16px;font-size:16px;color:rgba(255,255,255,.82);}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-900);color:#c7cfcd;padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-about{font-size:14px;line-height:1.9;color:rgba(199,207,205,.82);max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:#7fd8c6;margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(199,207,205,.86);transition:color .22s ease,transform .22s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact{font-size:14px;line-height:2;color:rgba(199,207,205,.82);}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(199,207,205,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .main-nav{display:none;}
  .menu-btn{display:flex;}
  .hero{min-height:560px;padding:132px 0 68px;}
  .hero h1{font-size:36px;}
  .hero-sub{font-size:16px;}
  .quick-wrap{margin-top:-40px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .task-row{grid-template-columns:1fr 1fr;row-gap:12px;}
  .task-pct{text-align:left;}
  .trust-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:48px 32px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-title{font-size:24px;}
  .header-actions .btn{display:none;}
  .hero{min-height:480px;padding:118px 0 56px;background-position:center;}
  .hero h1{font-size:30px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:10px;}
  .stat-pill{flex:1 1 30%;min-width:0;padding:10px 14px;}
  .quick-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .reward-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-card{flex-direction:column;}
  .news-card img{width:100%;}
  .task-panel{padding:22px;}
  .task-row{grid-template-columns:1fr;gap:10px;}
  .task-btn{width:100%;}
  .trust-wrap{padding:36px 22px;border-radius:22px;}
  .trust-nums{grid-template-columns:1fr;gap:8px;}
  .cta-band{padding:40px 22px;border-radius:22px;}
  .cta-band h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
    --brand-600:#0e7c6b;
    --brand-700:#0a5f52;
    --brand-100:#dcf2ec;
    --accent-500:#f0a126;
    --accent-100:#fdf1dc;
    --ink-900:#12181f;
    --ink-600:#47525c;
    --ink-400:#8b959e;
    --bg-000:#ffffff;
    --bg-050:#f6f8f7;
    --bg-900:#0f1a1c;
    --line:#e3e8e6;
    --sh-sm:0 1px 2px rgba(18,24,31,.05);
    --sh-md:0 8px 28px rgba(18,24,31,.08);
    --sh-glass:0 6px 24px rgba(0,0,0,.18);
    --r-card:20px;
    --r-pill:999px;
    --r-input:12px;
    --max:1240px;
    --focus:0 0 0 3px rgba(14,124,107,.28);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--ink-900);
    background:var(--bg-050);
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;border:0;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  h1,h2,h3{letter-spacing:.01em;line-height:1.28;}
  :focus-visible{outline:none;box-shadow:var(--focus);border-radius:10px;}

  .container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
  .section{padding:88px 0;}
  .section-alt{background:var(--bg-000);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{margin-bottom:40px;max-width:720px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--brand-700);
    background:var(--brand-100);border-radius:var(--r-pill);
    padding:5px 14px;margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600);}
  .section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;}
  .section-head p{margin-top:14px;color:var(--ink-600);font-size:15.5px;}

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:60;
    transition:box-shadow .32s ease;
  }
  .site-header::before{
    content:"";position:absolute;inset:0;
    background:rgba(255,255,255,.08);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid rgba(255,255,255,.18);
    box-shadow:var(--sh-glass);
    transition:background .32s ease,border-color .32s ease,box-shadow .32s ease;
  }
  .site-header.is-scrolled::before{
    background:rgba(15,26,28,.94);
    border-bottom-color:rgba(255,255,255,.08);
    box-shadow:0 10px 30px rgba(0,0,0,.28);
  }
  .header-inner{
    position:relative;z-index:2;
    display:flex;align-items:center;justify-content:space-between;gap:24px;
    height:78px;transition:height .32s ease;
  }
  .site-header.is-scrolled .header-inner{height:64px;}

  .brand{display:inline-flex;align-items:center;gap:12px;color:#fff;}
  .brand-mark{
    width:38px;height:38px;flex:0 0 38px;
    display:grid;place-items:center;
    border-radius:12px;
    background:linear-gradient(135deg,var(--brand-600),#12907c);
    color:#fff;font-weight:700;font-size:19px;
    box-shadow:0 6px 18px rgba(14,124,107,.35);
  }
  .brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}

  .main-nav{display:flex;align-items:center;gap:6px;}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:9px 14px;border-radius:var(--r-pill);
    font-size:15px;font-weight:500;color:rgba(255,255,255,.86);
    transition:color .2s ease,background .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
    border-radius:2px;background:var(--brand-600);
    transform:scaleX(0);transform-origin:center;
    transition:transform .24s ease;
  }
  .nav-link:hover{color:#fff;background:rgba(255,255,255,.08);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:#fff;font-weight:600;background:rgba(255,255,255,.12);}
  .nav-link.active::after{transform:scaleX(1);background:var(--accent-500);}

  .header-actions{display:flex;align-items:center;gap:10px;}
  .icon-btn{
    width:38px;height:38px;border-radius:var(--r-pill);
    display:grid;place-items:center;color:#fff;
    background:rgba(255,255,255,.10);
    border:1px solid rgba(255,255,255,.22);
    transition:background .2s ease,transform .16s ease,border-color .2s ease;
  }
  .icon-btn:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.4);}
  .icon-btn:active{transform:translateY(1px);}
  .menu-btn{display:none;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-pill);font-weight:600;
    padding:13px 26px;font-size:15px;
    transition:background .2s ease,transform .16s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--brand-600);color:#fff;
    box-shadow:0 8px 20px rgba(14,124,107,.28);
  }
  .btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 12px 26px rgba(10,95,82,.34);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    background:rgba(255,255,255,.12);color:#fff;
    border:1px solid rgba(255,255,255,.35);
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  }
  .btn-ghost:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.6);transform:translateY(-1px);}
  .btn-outline{
    background:#fff;color:var(--brand-700);
    border:1px solid var(--line);
  }
  .btn-outline:hover{border-color:var(--brand-600);background:var(--brand-100);transform:translateY(-1px);}
  .btn-sm{padding:9px 18px;font-size:14px;}

  /* 移动端抽屉 */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(9,20,22,.55);
    opacity:0;visibility:hidden;z-index:65;
    transition:opacity .3s ease,visibility .3s ease;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .mobile-drawer{
    position:fixed;top:0;right:0;bottom:0;width:290px;z-index:70;
    padding:96px 22px 32px;
    background:rgba(15,26,28,.97);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-left:1px solid rgba(255,255,255,.12);
    transform:translateX(100%);
    transition:transform .34s cubic-bezier(.4,.2,.2,1);
    display:flex;flex-direction:column;gap:6px;
  }
  .mobile-drawer.is-open{transform:translateX(0);}
  .mobile-drawer a{
    color:rgba(255,255,255,.88);font-size:16px;font-weight:500;
    padding:13px 14px;border-radius:14px;
    transition:background .2s ease,color .2s ease;
  }
  .mobile-drawer a:hover,.mobile-drawer a.active{background:rgba(255,255,255,.1);color:#fff;}
  .drawer-title{color:var(--accent-500);font-size:13px;font-weight:600;letter-spacing:.06em;padding:0 14px 8px;}

  /* ---------- 页面横幅 ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    padding:158px 0 78px;
    background:#0f1a1c url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    color:#fff;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(9,20,22,.94) 0%,rgba(9,20,22,.8) 46%,rgba(9,20,22,.46) 100%);
  }
  .page-hero .container{position:relative;z-index:2;}
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px;
  }
  .breadcrumb a{color:rgba(255,255,255,.78);}
  .breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:#fff;
    background:rgba(240,161,38,.2);
    border:1px solid rgba(240,161,38,.5);
    border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px;
  }
  .page-hero h1{
    font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.24;
    max-width:820px;
  }
  .hero-lead{
    margin-top:18px;max-width:700px;
    font-size:16.5px;color:rgba(255,255,255,.84);
  }
  .hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .stat-card{
    min-width:150px;
    background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.2);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border-radius:16px;padding:14px 18px;
  }
  .stat-card .stat-num{font-size:22px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}
  .stat-card .stat-label{font-size:13px;color:rgba(255,255,255,.7);margin-top:2px;}

  /* ---------- 双栏：目录 + 正文小节 ---------- */
  .split{
    display:grid;grid-template-columns:250px minmax(0,1fr);
    gap:44px;align-items:start;
  }
  .toc{
    position:sticky;top:96px;
    background:#fff;border:1px solid var(--line);
    border-radius:var(--r-card);padding:20px 16px;
    box-shadow:var(--sh-sm);
  }
  .toc-title{font-size:13px;font-weight:600;color:var(--ink-400);letter-spacing:.06em;padding:0 10px 10px;}
  .toc a{
    display:block;padding:10px 12px;border-radius:12px;
    font-size:14.5px;color:var(--ink-600);
    transition:background .2s ease,color .2s ease,padding-left .2s ease;
  }
  .toc a:hover{background:var(--brand-100);color:var(--brand-700);}
  .toc a.is-current{background:var(--brand-100);color:var(--brand-700);font-weight:600;}
  .toc-note{
    margin-top:14px;padding:12px;border-radius:14px;
    background:var(--accent-100);color:#8a5c11;font-size:13px;line-height:1.7;
  }

  .doc-section{
    background:#fff;border:1px solid var(--line);
    border-radius:var(--r-card);padding:32px;
    box-shadow:var(--sh-sm);margin-bottom:24px;
    scroll-margin-top:96px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .doc-section:hover{border-color:var(--brand-100);box-shadow:var(--sh-md);}
  .doc-section h2{
    font-size:23px;font-weight:700;padding-left:16px;position:relative;
    margin-bottom:16px;
  }
  .doc-section h2::before{
    content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
    border-radius:4px;background:linear-gradient(180deg,var(--brand-600),var(--accent-500));
  }
  .doc-section h3{font-size:17px;font-weight:600;margin:22px 0 8px;}
  .doc-section p{color:var(--ink-600);font-size:15.5px;margin-bottom:14px;}
  .doc-section p:last-child{margin-bottom:0;}

  .figure{
    margin:22px 0;
    border-radius:16px;overflow:hidden;
    border:1px solid var(--line);
  }
  .figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .figure figcaption{
    padding:10px 14px;background:var(--bg-050);
    font-size:13px;color:var(--ink-400);text-align:center;
  }

  .check-list li{
    position:relative;padding-left:26px;margin-bottom:10px;
    color:var(--ink-600);font-size:15.5px;
  }
  .check-list li::before{
    content:"";position:absolute;left:0;top:11px;
    width:14px;height:14px;border-radius:50%;
    background:var(--brand-100);
    border:2px solid var(--brand-600);
  }

  .meter-row{display:grid;grid-template-columns:118px 1fr 54px;align-items:center;gap:14px;margin-bottom:14px;}
  .meter-name{font-size:14.5px;font-weight:600;color:var(--ink-900);}
  .meter-track{height:8px;border-radius:var(--r-pill);background:var(--brand-100);overflow:hidden;}
  .meter-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--brand-600),var(--accent-500));}
  .meter-val{font-size:13.5px;color:var(--ink-600);font-variant-numeric:tabular-nums;text-align:right;}

  .badge{
    display:inline-block;font-size:12px;font-weight:600;
    padding:4px 10px;border-radius:var(--r-pill);
    background:var(--brand-100);color:var(--brand-700);margin-right:8px;
  }
  .badge-accent{background:var(--accent-100);color:#9a6413;}
  .badge-muted{background:#eef1f0;color:var(--ink-600);}

  /* ---------- 速查卡片 ---------- */
  .card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--sh-sm);
    display:flex;flex-direction:column;
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--brand-100);}
  .card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .card-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .card-body h3{font-size:17px;font-weight:600;}
  .card-body p{font-size:14px;color:var(--ink-600);}
  .card-foot{margin-top:auto;padding-top:12px;font-size:13px;color:var(--brand-700);font-weight:600;}

  /* ---------- 内链区 ---------- */
  .link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
  .link-card{
    display:flex;flex-direction:column;gap:10px;
    padding:26px;border-radius:var(--r-card);
    background:#fff;border:1px solid var(--line);box-shadow:var(--sh-sm);
    transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  }
  .link-card:hover{transform:translateY(-2px);border-color:var(--brand-600);box-shadow:var(--sh-md);}
  .link-card .link-kicker{font-size:12.5px;font-weight:600;color:var(--accent-500);letter-spacing:.04em;}
  .link-card h3{font-size:18px;font-weight:600;}
  .link-card p{font-size:14px;color:var(--ink-600);}
  .link-card .link-go{font-size:13.5px;font-weight:600;color:var(--brand-700);margin-top:2px;}

  /* ---------- CTA 带 ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    background:#0f1a1c url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    color:#fff;padding:80px 0;
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(10,95,82,.94),rgba(9,20,22,.82));
  }
  .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
  .cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:700;max-width:620px;}
  .cta-inner p{margin-top:10px;color:rgba(255,255,255,.82);font-size:15.5px;max-width:600px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--bg-900);color:#c7cfcd;padding:64px 0 26px;font-size:14.5px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
  .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;}
  .footer-about{color:#9caaa8;font-size:14px;line-height:1.85;max-width:340px;}
  .footer-title{font-size:14px;font-weight:600;color:var(--brand-100);margin-bottom:16px;letter-spacing:.04em;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{color:#c7cfcd;font-size:14.5px;transition:color .2s ease,padding-left .2s ease;}
  .footer-links a:hover{color:#fff;padding-left:4px;}
  .footer-contact{color:#9caaa8;font-size:14px;line-height:1.95;}
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:13px;color:#8b9a98;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .main-nav{display:none;}
    .menu-btn{display:grid;}
    .split{grid-template-columns:1fr;gap:28px;}
    .toc{position:static;top:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding:16px;}
    .toc-title{grid-column:1 / -1;}
    .toc-note{grid-column:1 / -1;}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .link-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
    .section{padding:72px 0;}
  }
  @media (max-width:767px){
    .container{padding:0 18px;}
    .brand-text{font-size:15px;}
    .header-actions .btn{display:none;}
    .page-hero{padding:132px 0 60px;}
    .hero-stats{gap:10px;}
    .stat-card{min-width:132px;padding:12px 14px;}
    .section{padding:56px 0;}
    .doc-section{padding:22px;}
    .doc-section h2{font-size:20px;}
    .section-head{margin-bottom:28px;}
    .cta-band{padding:60px 0;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
  }
  @media (max-width:559px){
    .card-grid,.link-grid{grid-template-columns:1fr;}
    .toc{grid-template-columns:1fr;}
    .meter-row{grid-template-columns:92px 1fr 44px;gap:10px;}
    .cta-actions .btn{width:100%;}
  }

/* roulang page: article */
:root{
  --brand-600:#0e7c6b;
  --brand-700:#0a5f52;
  --brand-100:#dcf2ec;
  --accent-500:#f0a126;
  --accent-100:#fdf1dc;
  --ink-900:#12181f;
  --ink-600:#47525c;
  --ink-400:#8b959e;
  --bg-000:#ffffff;
  --bg-050:#f6f8f7;
  --bg-900:#0f1a1c;
  --line:#e3e8e6;
  --sh-sm:0 1px 2px rgba(18,24,31,.05);
  --sh-md:0 8px 28px rgba(18,24,31,.08);
  --sh-glass:0 6px 24px rgba(0,0,0,.18);
  --radius-card:20px;
  --radius-btn:999px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body.site-body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  background-color:var(--bg-050);
  color:var(--ink-900);
  font-size:16px;
  line-height:1.75;
  -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;}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;}
p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,124,107,.28);border-radius:10px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 站点导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:110;
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:var(--sh-glass);
  transition:background 320ms ease,box-shadow 320ms ease,border-color 320ms ease;
}
.site-header.scrolled{
  background:rgba(15,26,28,.94);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height 320ms ease;}
.site-header.scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-600),var(--accent-500));
  color:#fff;font-size:17px;font-weight:700;flex:0 0 auto;
}
.brand-text{font-size:18px;white-space:nowrap;letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;color:rgba(255,255,255,.82);
  border-radius:10px;transition:color .22s ease,background .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:center;transition:transform .25s ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;}
.nav-link.active::before{
  content:"";position:absolute;left:4px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;
  background:var(--accent-500);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:6px;}
.icon-btn{
  display:grid;place-items:center;width:40px;height:40px;border-radius:12px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.10);color:#fff;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.38);}
.icon-btn:active{transform:translateY(1px);}
.menu-btn{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 6px 18px rgba(14,124,107,.26);}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 10px 24px rgba(14,124,107,.3);}
.btn-primary:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.55);}
.btn-ghost-dark{background:#fff;border-color:var(--line);color:var(--ink-900);}
.btn-ghost-dark:hover{border-color:var(--brand-100);color:var(--brand-700);transform:translateY(-1px);}
.btn.is-disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 文章头部 ---------- */
.article-head{
  position:relative;color:#fff;overflow:hidden;
  padding:132px 0 56px;
  background:#0f1a1c url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.article-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(8,26,24,.95) 0%,rgba(12,44,38,.84) 48%,rgba(15,26,28,.62) 100%);
}
.article-head .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.84);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.5;}
.crumb-current{color:rgba(255,255,255,.6);}
.article-title{
  font-size:clamp(26px,4vw,40px);font-weight:700;line-height:1.3;
  max-width:920px;margin-bottom:18px;color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.74);}
.meta-item{display:inline-flex;align-items:center;gap:6px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-btn);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-brand{background:var(--brand-100);color:var(--brand-700);}
.badge-accent{background:var(--accent-100);color:#9c6208;}
.badge-gray{background:#eef1f0;color:var(--ink-600);}
.badge-glass{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);color:#fff;}

/* ---------- 正文阅读区 ---------- */
.article-wrap{padding:56px 0 8px;}
.article-card{
  max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--sh-sm);padding:48px 56px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--ink-900);}
.article-body > * + *{margin-top:1.2em;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:28px;line-height:1.4;font-weight:700;margin-top:2em;
  padding-left:14px;border-left:4px solid var(--brand-600);
}
.article-body h3{font-size:21px;line-height:1.5;font-weight:700;margin-top:1.7em;}
.article-body h2 + h3,.article-body h2 + p,.article-body h3 + p{margin-top:.7em;}
.article-body p{margin:0;}
.article-body ul,.article-body ol{margin:1.2em 0 0;padding-left:1.5em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.45em 0;}
.article-body li::marker{color:var(--brand-600);}
.article-body blockquote{
  margin:1.6em 0 0;padding:16px 22px;border-left:4px solid var(--accent-500);
  background:var(--accent-100);border-radius:0 14px 14px 0;color:var(--ink-600);
}
.article-body blockquote p + p{margin-top:.8em;}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-700);}
.article-body img,.article-body video{
  width:100%;height:auto;border-radius:14px;margin-top:1.6em;box-shadow:var(--sh-sm);
}
.article-body figure{margin:1.6em 0 0;}
.article-body figure img{margin-top:0;}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--ink-400);
}
.article-body table{
  width:100%;margin-top:1.6em;border-collapse:collapse;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--bg-050);font-weight:600;color:var(--ink-900);}
.article-body code{
  background:var(--bg-050);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:.92em;
}
.article-body pre{
  margin-top:1.6em;background:#0f1a1c;color:#dbe6e3;padding:18px 20px;
  border-radius:14px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;border:0;padding:0;color:inherit;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0 0;}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  text-align:center;padding:40px 16px;
}
.empty-icon{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);
}
.empty-state h2{font-size:22px;}
.empty-state p{font-size:15px;color:var(--ink-600);max-width:540px;}

/* ---------- 通用板块标题 ---------- */
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:28px;
}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;}
.section-sub{margin-top:8px;font-size:15px;color:var(--ink-600);}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 8px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--brand-100);}
.rel-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-050);}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rel-card:hover .rel-media img{transform:scale(1.04);}
.rel-body{display:flex;flex-direction:column;gap:10px;padding:20px;}
.rel-title{font-size:18px;font-weight:700;line-height:1.5;}
.rel-text{font-size:14px;line-height:1.75;color:var(--ink-600);}
.rel-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400);}

/* ---------- 底部引导 ---------- */
.back-cta{padding:72px 0 88px;}
.back-panel{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:48px;border-radius:26px;color:#fff;
  background:linear-gradient(135deg,#0f1a1c 0%,#12463d 100%);
  box-shadow:0 18px 44px rgba(15,26,28,.24);
}
.back-panel h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.back-panel p{font-size:15px;color:rgba(255,255,255,.76);max-width:640px;}
.back-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-900);color:#c7cfcd;padding:64px 0 0;font-size:14px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;
  font-size:17px;margin-bottom:14px;
}
.footer-about{line-height:1.85;color:#9aa8a4;}
.footer-title{color:#7fd8c6;font-size:14px;font-weight:600;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#c7cfcd;transition:color .2s ease;}
.footer-links a:hover{color:#fff;}
.footer-contact{line-height:1.9;color:#9aa8a4;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:13px;color:#8b959e;
}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none;}
.mobile-drawer.open{visibility:visible;pointer-events:auto;}
.drawer-mask{
  position:absolute;inset:0;background:rgba(6,14,14,.55);opacity:0;transition:opacity .3s ease;
}
.mobile-drawer.open .drawer-mask{opacity:1;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);
  display:flex;flex-direction:column;gap:20px;padding:22px;
  background:rgba(15,26,28,.96);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-left:1px solid rgba(255,255,255,.12);
  transform:translateX(100%);transition:transform .32s ease;
}
.mobile-drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;color:#fff;font-weight:700;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;color:rgba(255,255,255,.85);
  transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(255,255,255,.1);color:#fff;}
.drawer-cta{margin-top:auto;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-btn{display:grid;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-head{padding:124px 0 48px;}
}
@media (max-width:767px){
  .article-card{padding:28px 20px;border-radius:16px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:23px;}
  .article-body h3{font-size:19px;}
  .back-panel{padding:30px 24px;border-radius:20px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .grid-3{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .header-actions .btn{display:none;}
  .article-head{padding:112px 0 42px;}
  .article-wrap{padding:36px 0 0;}
  .related{padding:52px 0 0;}
  .back-cta{padding:52px 0 64px;}
  .back-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --brand-600:#0e7c6b;
  --brand-700:#0a5f52;
  --brand-100:#dcf2ec;
  --accent-500:#f0a126;
  --accent-100:#fdf1dc;
  --ink-900:#12181f;
  --ink-600:#47525c;
  --ink-400:#8b959e;
  --bg-000:#ffffff;
  --bg-050:#f6f8f7;
  --bg-900:#0f1a1c;
  --line:#e3e8e6;
  --sh-sm:0 1px 2px rgba(18,24,31,.05);
  --sh-md:0 8px 28px rgba(18,24,31,.08);
  --sh-glass:0 6px 24px rgba(0,0,0,.18);
  --radius-card:20px;
  --focus-ring:0 0 0 3px rgba(14,124,107,.28);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg-050);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto;border:0}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:10px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background .32s ease,border-color .32s ease,box-shadow .32s ease;
}
.site-header.is-scrolled{
  background:rgba(15,26,28,.96);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:var(--sh-glass);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:82px;
  transition:height .32s ease;
}
.site-header.is-scrolled .header-inner{height:66px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;flex:none;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-700));
  color:#fff;font-weight:700;font-size:18px;
  box-shadow:0 6px 16px rgba(14,124,107,.35);
}
.brand-text{color:#fff;font-size:17px;font-weight:600;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  color:rgba(255,255,255,.84);
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand-600);
  border-radius:2px;
  transform:scaleX(0);
  transition:transform .24s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff;font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-link.active::before{
  content:"";
  position:absolute;top:50%;left:3px;
  width:5px;height:5px;margin-top:-3px;
  border-radius:50%;
  background:var(--accent-500);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.1);
  color:#fff;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.32)}
.icon-btn:active{transform:translateY(1px)}
.menu-btn{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 6px 18px rgba(14,124,107,.28)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 10px 24px rgba(14,124,107,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.3);
  color:#fff;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-700)}
.btn-outline:hover{border-color:var(--brand-600);background:var(--brand-100)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:90;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.mobile-drawer.is-open{opacity:1;visibility:visible}
.drawer-mask{position:absolute;inset:0;background:rgba(15,26,28,.55)}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;
  width:min(84vw,340px);
  padding:22px;
  display:flex;flex-direction:column;gap:6px;
  background:rgba(15,26,28,.97);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid rgba(255,255,255,.12);
  transform:translateX(100%);
  transition:transform .32s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-title{color:#fff;font-size:16px;font-weight:600}
.drawer-link{
  display:block;
  padding:14px 12px;
  color:rgba(255,255,255,.86);
  font-size:15px;
  border-radius:12px;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .2s ease,color .2s ease;
}
.drawer-link:hover{background:rgba(255,255,255,.08);color:#fff}
.drawer-link.active{color:#fff;font-weight:600;background:rgba(14,124,107,.28)}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;
  overflow:hidden;
  background-image:
    linear-gradient(120deg,rgba(15,26,28,.92) 0%,rgba(15,26,28,.80) 46%,rgba(15,26,28,.55) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.hero-cat::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(180deg,rgba(15,26,28,0),rgba(15,26,28,.55));
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.55fr 1fr;
  gap:52px;
  align-items:center;
  padding:152px 0 92px;
  min-height:600px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;font-weight:600;
  color:#e8faf5;
  background:rgba(14,124,107,.30);
  border:1px solid rgba(14,124,107,.55);
  letter-spacing:.02em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.hero-title{
  margin-top:22px;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.01em;
  color:#fff;
}
.hero-title .hl{color:#9fe6d6;display:block}
.hero-sub{
  margin-top:20px;
  max-width:660px;
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.stat-stack{display:grid;gap:14px}
.stat-card{
  padding:20px 22px;
  border-radius:18px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  backdrop-filter:blur(12px) saturate(140%);
  box-shadow:var(--sh-glass);
  transition:transform .25s ease,background .25s ease;
}
.stat-card:hover{transform:translateY(-2px);background:rgba(255,255,255,.13)}
.stat-num{font-size:26px;font-weight:700;color:#fff;line-height:1.2;letter-spacing:.01em}
.stat-label{margin-top:4px;font-size:14px;font-weight:600;color:#9fe6d6}
.stat-note{margin-top:6px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.68)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-tag{
  display:inline-block;
  padding:5px 13px;
  border-radius:999px;
  font-size:12px;font-weight:600;
  color:var(--brand-700);
  background:var(--brand-100);
  letter-spacing:.02em;
}
.section-title{
  margin-top:14px;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.32;
  font-weight:700;
  letter-spacing:.01em;
}
.section-sub{
  margin-top:14px;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-600);
}
.lead-text{font-size:17px;line-height:1.95;color:var(--ink-600)}
.lead-text strong{color:var(--ink-900)}

/* ---------- 图文交错 ---------- */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.alt-row + .alt-row{margin-top:76px}
.alt-row.is-reverse .alt-media{order:2}
.alt-media{position:relative}
.alt-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--sh-md);
  background:var(--brand-100);
}
.alt-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;font-weight:600;
  color:#fff;
  background:rgba(15,26,28,.68);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.alt-body h3{
  font-size:clamp(20px,2.1vw,22px);
  line-height:1.45;
  font-weight:700;
  letter-spacing:.01em;
}
.alt-body h3::before{
  content:"";
  display:block;
  width:44px;height:3px;
  margin-bottom:16px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--brand-600),var(--accent-500));
}
.alt-body p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--ink-600)}
.alt-points{margin-top:20px;display:grid;gap:10px}
.alt-points li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  color:var(--ink-600);
}
.alt-points li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:8px;height:8px;
  border-radius:3px;
  background:var(--accent-500);
}

/* ---------- 自查清单 ---------- */
.check-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
}
.check-item{
  display:grid;
  grid-template-columns:46px 1fr auto;
  gap:18px;
  align-items:center;
  padding:20px 22px;
  border-bottom:1px solid var(--line);
  transition:background .22s ease;
}
.check-item:last-child{border-bottom:0}
.check-item:hover{background:var(--bg-050)}
.check-index{
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:14px;
  background:var(--brand-100);
  color:var(--brand-700);
  font-weight:700;font-size:15px;
}
.check-title{font-size:16px;font-weight:600;line-height:1.5}
.check-desc{margin-top:4px;font-size:14px;line-height:1.75;color:var(--ink-600)}
.badge{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;font-weight:600;
  white-space:nowrap;
}
.badge-brand{background:var(--brand-100);color:var(--brand-700)}
.badge-accent{background:var(--accent-100);color:#9a6210}
.badge-muted{background:#eef1f0;color:var(--ink-600)}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item + .faq-item{margin-top:12px}
.faq-item:hover{border-color:#cde8e1}
.faq-item.is-open{border-color:#c4e6de;box-shadow:var(--sh-md)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink-900);
}
.faq-icon{
  flex:none;
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:9px;
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:18px;font-weight:700;line-height:1;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-600);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{
  padding:16px 22px 22px;
  margin:0 22px;
  border-top:1px solid var(--line);
  padding-left:0;padding-right:0;
  margin-left:22px;margin-right:22px;
  font-size:15px;line-height:1.9;color:var(--ink-600);
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:72px 0;
  background-image:
    linear-gradient(115deg,rgba(14,124,107,.95) 0%,rgba(15,26,28,.94) 72%),
    url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;letter-spacing:.01em}
.cta-text{margin-top:12px;max-width:620px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 内链卡 ---------- */
.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.link-card{
  display:block;
  padding:26px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.link-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:#cde8e1}
.link-card .lc-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:var(--brand-100);color:var(--brand-700);
}
.link-card h3{margin-top:14px;font-size:18px;font-weight:700;line-height:1.5}
.link-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--ink-600)}
.link-card .lc-more{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600)}
.link-card:hover .lc-more{color:var(--brand-700)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-900);
  color:#c7cfcd;
  padding:68px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:600}
.footer-about{margin-top:16px;font-size:14px;line-height:1.9;color:#9aa5a1;max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:#8fd9c9;letter-spacing:.02em}
.footer-links{margin-top:16px;display:grid;gap:10px}
.footer-links a{font-size:14px;color:#c7cfcd;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-contact{margin-top:16px;font-size:14px;line-height:2;color:#9aa5a1}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8b9693;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{display:none}
  .menu-btn{display:grid}
  .header-actions .btn{display:none}
  .hero-inner{
    grid-template-columns:1fr;
    gap:36px;
    padding:132px 0 72px;
    min-height:auto;
  }
  .stat-stack{grid-template-columns:repeat(3,1fr);gap:12px}
  .alt-row{grid-template-columns:1fr;gap:28px}
  .alt-row.is-reverse .alt-media{order:0}
  .alt-row + .alt-row{margin-top:56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .link-cards{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero-inner{padding:120px 0 60px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .stat-stack{grid-template-columns:1fr}
  .check-item{grid-template-columns:40px 1fr;gap:14px;padding:16px}
  .check-item .badge{grid-column:2;justify-self:start}
  .check-index{width:40px;height:40px;border-radius:12px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .link-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .faq-a-inner{margin-left:18px;margin-right:18px}
  .faq-q{padding:16px 18px;font-size:15px}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .brand-mark{width:34px;height:34px;font-size:16px}
  .header-inner{height:70px}
  .hero-title{font-size:28px}
}