/* roulang page: index */
:root{
  --brand-900:#062B24;
  --brand-700:#0E5C4A;
  --brand-500:#12A87B;
  --brand-200:#B9E6D4;
  --lime-400:#C6F24E;
  --warm-500:#FF6B35;
  --ink:#0F1613;
  --muted:#5C6B64;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --line:#E2E8DF;
  --grad-brand:linear-gradient(120deg,#062B24 0%,#0E5C4A 45%,#12A87B 78%,#C6F24E 100%);
  --grad-head:linear-gradient(120deg,#062B24 0%,#0E5C4A 100%);
  --shadow-sm:0 4px 12px rgba(6,43,36,.06);
  --shadow-md:0 12px 32px rgba(6,43,36,.10);
  --shadow-lg:0 24px 56px rgba(6,43,36,.14);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1440px){.container{padding-left:40px;padding-right:40px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  height:68px;
  display:flex;align-items:center;
  background:var(--grad-head);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header.scrolled{
  background:rgba(255,255,255,.93);
  -webkit-backdrop-filter:saturate(150%) blur(8px);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:11px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;transition:background .28s ease}
.site-header.scrolled .logo-mark{background:rgba(14,92,74,.10)}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:#fff;transition:color .28s ease;white-space:nowrap}
.site-header.scrolled .logo-text{color:var(--brand-900)}
.nav-links{display:none;align-items:center;gap:28px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;
  color:rgba(255,255,255,.86);
  padding:6px 0;
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--lime-400);transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.3,1);
}
.nav-link:hover::after{transform:scaleX(1)}
.site-header.scrolled .nav-link{color:var(--muted)}
.site-header.scrolled .nav-link:hover{color:var(--brand-700)}
.nav-link.active::after{transform:scaleX(1)}
.site-header.scrolled .nav-link.active{color:var(--brand-700);font-weight:700}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{display:none}
@media (min-width:1024px){.nav-cta{display:inline-flex}}

.hamburger{
  width:42px;height:42px;border-radius:14px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.hamburger:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px}
.site-header.scrolled .hamburger{border-color:var(--line);background:#fff}
@media (min-width:1024px){.hamburger{display:none}}

.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(6,43,36,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;left:0;right:0;background:#fff;border-radius:0 0 28px 28px;
  padding:22px 20px 28px;transform:translateY(-16px);transition:transform .28s cubic-bezier(.2,.7,.3,1);
  box-shadow:var(--shadow-lg);
}
.drawer.open .drawer-panel{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.drawer-close:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--ink);
}
.drawer-link:last-of-type{border-bottom:none}
.drawer-link.active{color:var(--brand-700)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-lg{height:56px;padding:0 30px;font-size:16px}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;border-color:var(--brand-500);color:var(--brand-700)}
.btn-warm{background:var(--warm-500);color:#fff}
.btn-lime{background:var(--lime-400);color:var(--brand-900)}
.btn-white{background:#fff;color:var(--brand-700)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
@media (hover:hover){
  .btn-primary:hover{background:var(--grad-brand);transform:translateY(-2px);box-shadow:var(--shadow-md)}
  .btn-ghost:hover{background:rgba(18,168,123,.08);border-color:var(--brand-700);transform:translateY(-2px)}
  .btn-warm:hover{background:#E85A26;transform:translateY(-2px);box-shadow:var(--shadow-md)}
  .btn-lime:hover{background:#D6FF66;transform:translateY(-2px);box-shadow:var(--shadow-md)}
  .btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
  .btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px)}
}
.btn:active{transform:translateY(0) scale(.98)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
}
.badge-lime{background:var(--lime-400);color:var(--brand-900)}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--brand-700)}
.badge-glass{background:rgba(255,255,255,.85);border:1px solid rgba(6,43,36,.08);color:var(--brand-700)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--grad-brand);padding:52px 0 64px;color:#fff}
@media (min-width:1024px){.hero{padding:76px 0 96px}}
.hero-deco{position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;opacity:.10;pointer-events:none}
.hero-deco span{
  position:absolute;border-radius:50%;border:2px solid #fff;inset:0;
}
.hero-deco span:nth-child(2){inset:70px}
.hero-deco span:nth-child(3){inset:140px}
.hero-stripes{
  position:absolute;left:-60px;top:-40px;width:320px;height:220px;opacity:.08;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,#fff 0 6px,transparent 6px 18px);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:62fr 38fr;gap:56px}}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.hero h1{
  font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.12;letter-spacing:-.01em;
  margin-bottom:18px;color:#fff;
}
.hero h1 .grad{
  background:linear-gradient(120deg,#B9E6D4 0%,#C6F24E 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:16px;line-height:1.8;color:rgba(255,255,255,.88);max-width:34em;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.trust-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid rgba(255,255,255,.22);padding-top:18px}
@media (min-width:640px){.trust-row{grid-template-columns:repeat(4,minmax(0,1fr))}}
.trust-item{padding:6px 14px;border-left:1px solid rgba(255,255,255,.22);font-size:13px;color:rgba(255,255,255,.82)}
.trust-item:first-child{border-left:none;padding-left:0}
@media (max-width:639px){
  .trust-item:nth-child(3){border-left:none;padding-left:0}
}
.hero-media{position:relative}
.hero-media-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:rgba(255,255,255,.10);
  aspect-ratio:16/10;box-shadow:var(--shadow-lg);
}
.hero-media-card img{width:100%;height:100%;object-fit:cover}
.hero-media-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,#C6F24E,#12A87B,#C6F24E)}
.hero-media-badge{position:absolute;left:16px;top:16px;z-index:2}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.25;color:var(--ink)}
.section-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:44em}
.link-more{color:var(--brand-700);font-weight:700;font-size:14px;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px}
@media (hover:hover){.link-more:hover{color:var(--brand-500);text-decoration-color:var(--lime-400)}}

/* ============ 数据徽章横条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);
  overflow:hidden;
}
@media (min-width:768px){.stat-bar{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat-cell{padding:26px 22px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.stat-cell:nth-child(2n){border-right:none}
.stat-cell:nth-child(3),.stat-cell:nth-child(4){border-bottom:none}
@media (min-width:768px){
  .stat-cell{border-bottom:none}
  .stat-cell:nth-child(2n){border-right:1px solid var(--line)}
  .stat-cell:last-child{border-right:none}
}
.stat-num{font-size:clamp(28px,3.4vw,36px);font-weight:800;line-height:1.1;color:var(--brand-900);font-variant-numeric:tabular-nums}
.stat-num small{font-size:14px;font-weight:700;color:var(--brand-500);margin-left:4px}
.stat-label{font-size:12px;color:var(--muted);letter-spacing:.04em;margin-top:6px}

/* ============ 阶梯 ============ */
.ladder{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.ladder{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
@media (min-width:1024px){.ladder{grid-template-columns:repeat(4,minmax(0,1fr));align-items:end}}
.ladder-step{
  position:relative;border-radius:var(--r-md);border:1px solid var(--line);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
  display:flex;flex-direction:column;gap:10px;
}
@media (hover:hover){.ladder-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}}
.ladder-no{font-size:34px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--brand-500);line-height:1;font-variant-numeric:tabular-nums}
.ladder-name{font-size:18px;font-weight:700}
.ladder-desc{font-size:14px;color:var(--muted);line-height:1.75}
.ladder-link{font-size:14px;font-weight:700;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px;margin-top:auto}
.step-1{background:#fff;min-height:180px}
.step-2{background:#EFF8F3;min-height:210px}
.step-3{background:#DDF1E7;min-height:240px}
.step-4{background:var(--brand-200);min-height:270px}
@media (max-width:1023px){
  .ladder{position:relative;padding-left:22px}
  .ladder::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;border-radius:2px;background:linear-gradient(180deg,#12A87B,#C6F24E)}
  .ladder-step::before{
    content:"";position:absolute;left:-22px;top:34px;width:12px;height:12px;border-radius:50%;
    background:#fff;border:3px solid var(--brand-500);
  }
  .ladder-step{min-height:auto !important}
}

/* ============ 套餐对比 ============ */
.plan-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.plan-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start}}
.plan-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
@media (hover:hover){.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}}
.plan-card.recommend{border:2px solid var(--lime-400);box-shadow:var(--shadow-lg)}
@media (min-width:768px){.plan-card.recommend{transform:translateY(-16px)}}
@media (hover:hover){.plan-card.recommend:hover{transform:translateY(-20px)}}
.plan-flag{
  position:absolute;top:-13px;left:24px;height:26px;padding:0 14px;border-radius:999px;
  background:var(--lime-400);color:var(--brand-900);font-size:12px;font-weight:800;display:inline-flex;align-items:center;
}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}
.plan-name{font-size:20px;font-weight:700}
.plan-price{display:flex;align-items:flex-end;gap:6px;color:var(--brand-900);font-variant-numeric:tabular-nums}
.plan-price b{font-size:40px;font-weight:800;line-height:1}
.plan-price span{font-size:14px;color:var(--muted);font-weight:600;padding-bottom:4px}
.plan-note{font-size:13px;color:var(--muted);margin-top:8px}
.plan-feats{margin:20px 0 24px;display:flex;flex-direction:column}
.plan-feat{
  display:flex;align-items:center;gap:10px;min-height:40px;font-size:14px;color:var(--ink);
  border-top:1px dashed var(--line);
}
.plan-feat:last-child{border-bottom:1px dashed var(--line)}
.plan-feat.off{opacity:.4;text-decoration:line-through}
.plan-feat svg{flex-shrink:0}
.plan-card .btn{width:100%;margin-top:auto}
.diff-scroll{
  display:flex;gap:12px;overflow-x:auto;margin-top:22px;padding-bottom:6px;
  scrollbar-width:thin;-webkit-overflow-scrolling:touch;
}
.diff-chip{
  flex:0 0 auto;background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:13px;color:var(--muted);white-space:nowrap;
}
@media (min-width:768px){.diff-scroll{display:none}}

/* ============ 限时入口 ============ */
.limit-bar{background:var(--grad-brand);border-radius:var(--r-lg);padding:24px;color:#fff;box-shadow:var(--shadow-md)}
@media (min-width:1024px){.limit-bar{padding:0 32px;min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:28px}}
.limit-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.clock{display:flex;align-items:center;gap:6px}
.clock-block{
  width:48px;height:48px;border-radius:14px;background:#fff;color:var(--brand-900);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;
}
.clock-sep{font-size:20px;font-weight:800;color:rgba(255,255,255,.85)}
.limit-text{font-size:16px;font-weight:700;margin:16px 0}
@media (min-width:1024px){.limit-text{margin:0;flex:1;text-align:center}}
.limit-bar .btn{margin-top:6px}
@media (min-width:1024px){.limit-bar .btn{margin-top:0}}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){.news-grid{grid-template-columns:1.15fr .85fr;gap:24px}}
.news-feature{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
@media (hover:hover){.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}}
.news-feature:hover h3{color:var(--brand-700)}
.news-feature-media{aspect-ratio:16/10;overflow:hidden;background:#DDF1E7}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.news-feature:hover .news-feature-media img{transform:scale(1.03)}
.news-feature-body{padding:22px;display:flex;flex-direction:column;gap:12px}
.news-feature-body h3{font-size:20px;font-weight:700;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.news-feature-body p{font-size:15px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.news-side{display:flex;flex-direction:column;gap:16px}
.news-mini{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px;box-shadow:var(--shadow-sm);transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
@media (hover:hover){.news-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}}
.news-mini:hover h3{color:var(--brand-700)}
.news-mini-media{flex:0 0 96px;width:96px;height:72px;border-radius:12px;overflow:hidden;background:#DDF1E7}
.news-mini-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.news-mini:hover .news-mini-media img{transform:scale(1.03)}
.news-mini-body{min-width:0;display:flex;flex-direction:column;gap:6px}
.news-mini-body h3{font-size:15px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.arrow-ico{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-size:13px;font-weight:700}

.empty-state{
  min-height:180px;background:#EFF8F3;border:1px dashed var(--brand-200);border-radius:var(--r-md);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:32px 20px;text-align:center;
}
.empty-state p{color:var(--muted);font-size:14px}

/* ============ 表单 ============ */
.consult-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.consult-grid{grid-template-columns:1fr 1.2fr;gap:32px;align-items:start}}
.consult-info{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;box-shadow:var(--shadow-sm)}
.info-point{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line)}
.info-point:last-of-type{border-bottom:none}
.info-ico{flex:0 0 36px;width:36px;height:36px;border-radius:12px;background:#EFF8F3;display:flex;align-items:center;justify-content:center}
.info-point h3{font-size:15px;font-weight:700;margin-bottom:2px}
.info-point p{font-size:13px;color:var(--muted);line-height:1.7}
.contact-lines{margin-top:18px;font-size:14px;color:var(--muted);line-height:2}
.contact-lines b{color:var(--ink)}
.form-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;box-shadow:var(--shadow-md)}
.form-badge{position:absolute;right:24px;top:-14px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .req{color:var(--warm-500)}
.input,.select,.textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 14px;font-size:15px;color:var(--ink);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.input::placeholder,.textarea::placeholder{color:#9AA8A1}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(18,168,123,.12)}
.textarea{min-height:110px;resize:vertical}
.select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235C6B64' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.form-privacy{font-size:12px;color:var(--muted);line-height:1.7;margin-top:12px}
.form-ok{
  display:none;align-items:center;gap:10px;margin-top:16px;padding:12px 14px;border-radius:14px;
  background:#EFF8F3;border:1px solid var(--brand-200);color:var(--brand-700);font-size:14px;font-weight:600;
}
.spin{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item[open]{border-color:var(--brand-200);box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:700;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--lime-400);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease;
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item summary:focus-visible{outline:3px solid var(--lime-400);outline-offset:-3px}
.faq-item summary svg{flex-shrink:0;transition:transform .2s ease;color:var(--brand-700)}
.faq-item[open] summary svg{transform:rotate(180deg)}
.faq-body{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ============ CTA 条 ============ */
.cta-bar{
  background:var(--grad-brand);border-radius:var(--r-lg);padding:36px 28px;color:#fff;
  display:flex;flex-direction:column;gap:20px;box-shadow:var(--shadow-md);
}
@media (min-width:768px){.cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:40px 36px}}
.cta-bar h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;margin-bottom:8px}
.cta-bar p{font-size:14px;color:rgba(255,255,255,.86)}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.88);padding:56px 0 28px;margin-top:56px}
@media (min-width:1024px){.site-footer{padding:72px 0 32px;margin-top:96px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}}
.footer-title{font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.55);margin-bottom:16px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:28em}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo-mark{width:34px;height:34px;border-radius:11px;background:rgba(198,242,78,.16);display:flex;align-items:center;justify-content:center}
.footer-logo-text{font-size:18px;font-weight:800;color:#fff}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);transition:color .2s ease}
@media (hover:hover){.footer-links a:hover{color:var(--lime-400)}}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-btn{
  width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;transition:background .2s ease,transform .2s ease;
}
@media (hover:hover){.social-btn:hover{background:rgba(198,242,78,.22);transform:translateY(-2px)}}
.social-btn:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:flex;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -12px 28px rgba(6,43,36,.10);
  padding-bottom:env(safe-area-inset-bottom);
}
@media (min-width:768px){.tabbar{display:none}}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  height:60px;font-size:11px;color:var(--muted);position:relative;transition:color .2s ease;
}
.tab-item span{position:relative;z-index:2}
.tab-ico{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;width:32px;height:22px}
.tab-item.active{color:var(--brand-700);font-weight:700}
.tab-item.active .tab-ico::before{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:32px;height:18px;border-radius:999px;background:rgba(198,242,78,.55);z-index:-1;
}
body{padding-bottom:76px}
@media (min-width:768px){body{padding-bottom:0}}

/* roulang page: article */
:root{
  --brand-900:#062B24;
  --brand-700:#0E5C4A;
  --brand-500:#12A87B;
  --brand-200:#B9E6D4;
  --lime-400:#C6F24E;
  --warm-500:#FF6B35;
  --ink:#0F1613;
  --muted:#5C6B64;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --line:#E2E8DF;
  --shadow-sm:0 4px 12px rgba(6,43,36,.06);
  --shadow-md:0 12px 32px rgba(6,43,36,.10);
  --shadow-lg:0 24px 56px rgba(6,43,36,.14);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:16px;
  --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;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1440px){.container{padding-left:40px;padding-right:40px}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease),background .25s var(--ease)}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(6,43,36,.08);background:rgba(255,255,255,.92)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;height:56px}
@media (min-width:768px){.header-inner{height:68px;gap:24px}}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:36px;height:36px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
  color:var(--lime-400);
  background:linear-gradient(135deg,#062B24 0%,#0E5C4A 55%,#12A87B 100%);
  box-shadow:var(--shadow-sm);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;color:var(--brand-900)}
@media (max-width:400px){.brand-text{font-size:16px}}
.nav-links{display:none}
@media (min-width:1024px){.nav-links{display:flex;align-items:center;gap:4px}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--brand-700);background:rgba(18,168,123,.09)}
.nav-link.active{color:var(--brand-900)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;border-radius:999px;background:var(--lime-400)}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;
  padding:0 10px;border-radius:14px;border:1px solid var(--line);background:#fff;transition:box-shadow .2s var(--ease)
}
.nav-toggle:hover{box-shadow:var(--shadow-sm)}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .25s var(--ease),opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){.nav-toggle{display:none}}
.header-cta{display:none}
@media (min-width:768px){.header-cta{display:inline-flex}}

.drawer{
  position:fixed;top:56px;left:0;right:0;bottom:0;z-index:75;background:#fff;padding:22px 20px 96px;
  overflow-y:auto;transform:translateX(102%);transition:transform .3s var(--ease);display:block;
}
.drawer.open{transform:translateX(0)}
@media (min-width:1024px){.drawer{display:none}}
.drawer-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;margin-bottom:12px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:54px;padding:0 18px;margin-bottom:10px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;font-size:16px;font-weight:600;color:var(--brand-900)
}
.drawer-link:hover{background:rgba(18,168,123,.07);border-color:var(--brand-200)}
.drawer-note{margin-top:18px;font-size:13px;color:var(--muted);line-height:1.8}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .25s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:linear-gradient(120deg,#062B24 0%,#0E5C4A 45%,#12A87B 78%,#C6F24E 100%);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:rgba(18,168,123,.08);border-color:var(--brand-700);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,0,0,.18)}
.btn-light:active{transform:translateY(0) scale(.98)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em}
.badge-solid{background:var(--lime-400);color:var(--brand-900)}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--brand-700)}
.badge-soft{background:var(--brand-200);color:var(--brand-900)}
.badge-glass{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);color:#fff}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:18px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0}
.breadcrumb li+li::before{content:"/";color:#B7C3BB}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-700);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.breadcrumb .current{display:block;max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font-weight:600}
@media (min-width:768px){.breadcrumb .current{max-width:420px}}

/* ---------- 文章头部 ---------- */
.article-head{max-width:760px;margin:0 auto;padding:26px 0 10px}
.article-title{font-size:clamp(28px,4.6vw,42px);font-weight:800;line-height:1.22;letter-spacing:-.01em;margin-top:16px;color:var(--brand-900)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:14px;color:var(--muted)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D2C9}
.article-cover{max-width:820px;margin:26px auto 0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid rgba(6,43,36,.06)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 正文 ---------- */
.article-body{max-width:760px;margin:0 auto;padding:34px 0 10px;font-size:17px;line-height:1.9;color:#182220}
.article-body p{margin:0 0 1.25em;max-width:44em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.7vw,28px);font-weight:700;line-height:1.35;
  margin:2.2em 0 .8em;padding-left:20px;color:var(--brand-900)
}
.article-body h2::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--lime-400)}
.article-body h3{font-size:20px;font-weight:700;line-height:1.5;margin:1.8em 0 .6em;color:var(--brand-900)}
.article-body h4{font-size:17px;font-weight:700;margin:1.5em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.3em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.42em 0}
.article-body strong{font-weight:700;color:var(--brand-900)}
.article-body a{color:var(--brand-700);font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;transition:text-decoration-color .2s var(--ease)}
.article-body a:hover{text-decoration-color:var(--lime-400)}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:#EAF6F0;color:#1D3B33;
  border-left:4px solid var(--lime-400);border-radius:0 16px 16px 0
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:1.6em 0 .6em;width:100%;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:left;margin-top:8px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
.article-body th{background:var(--brand-200);color:var(--brand-900);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);white-space:nowrap}
.article-body pre{background:#062B24;color:#DFF5EC;border-radius:16px;padding:18px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* ---------- 空态 ---------- */
.empty-state{
  background:#EAF6F0;border:1px solid var(--brand-200);border-radius:var(--r-md);
  min-height:180px;padding:40px 24px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--brand-900);margin:0}
.empty-state p{font-size:15px;color:var(--muted);margin:0;line-height:1.8}

/* ---------- 板块 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:80px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;color:var(--brand-900)}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-700);transition:color .2s var(--ease)}
.more-link:hover{color:var(--brand-500)}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease)
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.rel-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:#DCE7E0}
.rel-card img{width:100%;height:100%;object-fit:cover;box-shadow:inset 0 0 0 1px rgba(6,43,36,.06);transition:transform .3s var(--ease)}
.rel-card:hover img{transform:scale(1.03)}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.rel-title{
  font-size:18px;font-weight:700;line-height:1.42;color:var(--brand-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease)
}
.rel-card:hover .rel-title{color:var(--brand-700)}
.rel-desc{
  font-size:14px;color:var(--muted);margin-top:10px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.rel-meta{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:14px;font-size:13px;color:var(--muted)}

/* ---------- 返回入口 ---------- */
.back-wrap{display:flex;justify-content:center;padding:8px 0 0}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#062B24 0%,#0E5C4A 45%,#12A87B 78%,#C6F24E 100%);
  border-radius:var(--r-lg);padding:40px 28px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--shadow-lg)
}
@media (min-width:1024px){.cta-band{padding:48px 44px}}
.cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.3;margin-top:14px}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.88);margin-top:12px;max-width:520px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.88);margin-top:64px;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:4fr 4fr 4fr;gap:40px}}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo-mark{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.36)}
.footer-logo-text{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-btn{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  transition:background .2s var(--ease),transform .2s var(--ease)
}
.social-btn:hover{background:rgba(198,242,78,.18);transform:translateY(-2px)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--lime-400)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)
}

/* ---------- 底部 Tab ---------- */
.tab-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:85;display:flex;background:#fff;
  border-top:1px solid var(--line);box-shadow:0 -12px 26px rgba(6,43,36,.07);
  padding-bottom:env(safe-area-inset-bottom)
}
@media (min-width:768px){.tab-bar{display:none}}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  height:60px;font-size:11px;font-weight:600;color:var(--muted);transition:color .2s var(--ease)
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tab-item .tab-ico{display:grid;place-items:center;padding:2px 12px;border-radius:999px;transition:background .2s var(--ease)}
.tab-item.active{color:var(--brand-700);font-weight:700}
.tab-item.active .tab-ico{background:rgba(198,242,78,.5)}
@media (max-width:767px){body{padding-bottom:72px}}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* roulang page: category1 */
:root{
  --brand-900:#062B24;
  --brand-700:#0E5C4A;
  --brand-500:#12A87B;
  --brand-200:#B9E6D4;
  --lime-400:#C6F24E;
  --warm-500:#FF6B35;
  --ink:#0F1613;
  --muted:#5C6B64;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --line:#E2E8DF;
  --shadow-sm:0 4px 12px rgba(6,43,36,.06);
  --shadow-md:0 12px 32px rgba(6,43,36,.10);
  --shadow-lg:0 24px 56px rgba(6,43,36,.14);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:16px;
  --radius-xs:14px;
  --grad-brand:linear-gradient(120deg,#062B24 0%,#0E5C4A 45%,#12A87B 78%,#C6F24E 100%);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-bottom:76px;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
@media (min-width:1440px){.container{max-width:1240px;padding:0 40px}}

.section{padding:56px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:40px 0}
@media (min-width:1024px){.section-tight{padding:56px 0}}

.h2{font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.25;color:var(--brand-900);letter-spacing:-.01em}
.h3{font-size:20px;font-weight:700;line-height:1.35;color:var(--brand-900)}
.section-head{max-width:760px;margin-bottom:32px}
.section-sub{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.8;max-width:44ch}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--brand-700);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--lime-400)}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#FFFFFF;border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease}
.site-header.is-scrolled{background:rgba(255,255,255,.92);box-shadow:0 6px 20px rgba(6,43,36,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:56px}
@media (min-width:1024px){.header-inner{height:68px}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--grad-brand);box-shadow:var(--shadow-sm)}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--brand-900);white-space:nowrap}
.nav-links{display:none}
@media (min-width:1024px){.nav-links{display:flex;align-items:center;gap:6px}}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--muted);transition:color .2s ease,background .2s ease}
.nav-link.active{color:var(--brand-900)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:999px;background:var(--lime-400)}
@media (hover:hover){
  .nav-link:hover{color:var(--brand-700);background:rgba(18,168,123,.08)}
}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--brand-700)}
.menu-toggle:hover{background:rgba(18,168,123,.08)}
@media (min-width:1024px){.menu-toggle{display:none}}
.header-cta{display:none}
@media (min-width:768px){.header-cta{display:inline-flex}}

.mobile-drawer{display:none}
.mobile-drawer.is-open{
  display:flex;flex-direction:column;
  position:fixed;inset:0;z-index:90;
  background:#FFFFFF;
  padding:20px 20px calc(24px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);color:var(--brand-700)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-nav a{padding:15px 2px;font-size:17px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--brand-700)}
.drawer-cta{margin-top:24px;width:100%}
body.drawer-open{overflow:hidden}
@media (min-width:1024px){.mobile-drawer{display:none !important}}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:56px;padding:0 32px;font-size:16px}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-warm{background:var(--warm-500);color:#fff}
.btn-block{width:100%}
@media (hover:hover){
  .btn-primary:hover{background-image:var(--grad-brand);transform:translateY(-2px);box-shadow:var(--shadow-md)}
  .btn-ghost:hover{background:rgba(18,168,123,.08);border-color:var(--brand-500);transform:translateY(-2px)}
  .btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
  .btn-warm:hover{background:#e85c2a;transform:translateY(-2px);box-shadow:var(--shadow-md)}
}
.btn:active{transform:translateY(0) scale(.98)}

.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-700);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--brand-200);transition:text-decoration-color .2s ease,color .2s ease}
@media (hover:hover){.arrow-link:hover{color:var(--brand-500);text-decoration-color:var(--lime-400)}}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em;white-space:nowrap}
.badge-lime{background:var(--lime-400);color:#062B24}
.badge-outline{background:#fff;color:var(--brand-900);border:1px solid var(--line)}
.badge-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28)}

/* ============ 面包屑 ============ */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--bg)}
.crumbs{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
@media (hover:hover){.crumbs a:hover{color:var(--brand-700)}}
.crumbs .sep{color:#A9B7AF}
.crumb-current{color:var(--brand-900);font-weight:600}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;padding:48px 0 56px;border-radius:0 0 32px 32px}
@media (min-width:1024px){.hero{padding:64px 0 80px;border-radius:0 0 40px 40px}}
.hero::after{
  content:"";position:absolute;right:-140px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(198,242,78,.12);
  box-shadow:0 0 0 70px rgba(198,242,78,.06),0 0 0 150px rgba(198,242,78,.035);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;gap:36px}
@media (min-width:1024px){.hero-inner{grid-template-columns:1.15fr .85fr;align-items:center;gap:52px}}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.hero-title{font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.12;letter-spacing:-.01em;color:#fff;max-width:23ch}
.hero-title .hl{background:linear-gradient(90deg,#FFFFFF 0%,#C6F24E 100%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.hero-sub{margin-top:18px;font-size:clamp(15px,1.7vw,17px);line-height:1.8;color:rgba(255,255,255,.86);max-width:34ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-actions .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
@media (hover:hover){.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:rgba(255,255,255,.9)}
.trust-item svg{flex-shrink:0}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:16/10;background:rgba(255,255,255,.08)}
.hero-visual img{width:100%;height:100%;object-fit:cover;box-shadow:inset 0 0 0 1px rgba(6,43,36,.06)}
.hero-visual-badge{position:absolute;top:16px;left:16px}
.hero-visual-line{position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad-brand)}

/* ============ 数字横条 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:24px 0}
@media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.stat-item{padding:0 20px;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-item:nth-child(3){border-left:0;padding-left:0}
@media (min-width:768px){.stat-item:nth-child(3){border-left:1px solid var(--line);padding-left:20px}}
.stat-num{display:block;font-size:32px;font-weight:800;line-height:1.15;color:var(--brand-900);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-label{display:block;margin-top:6px;font-size:12px;color:var(--muted);letter-spacing:.04em}

/* ============ 步骤条 ============ */
.steps-grid{display:grid;gap:18px}
@media (min-width:768px){.steps-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.steps-grid{grid-template-columns:repeat(4,1fr);gap:20px}}
.step-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 22px 22px;box-shadow:var(--shadow-sm);transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease}
@media (hover:hover){.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-200)}}
.step-num{display:block;font-size:42px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--brand-200);font-variant-numeric:tabular-nums;margin-bottom:14px}
.step-name{font-size:18px;font-weight:700;color:var(--brand-900);line-height:1.35}
.step-text{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75;min-height:74px}
.step-link{margin-top:14px}

/* ============ 图文交替 ============ */
.feature-row{display:grid;gap:28px;align-items:center}
.feature-row + .feature-row{margin-top:56px}
@media (min-width:1024px){
  .feature-row{grid-template-columns:1fr 1fr;gap:52px}
  .feature-row + .feature-row{margin-top:80px}
  .feature-row.reverse .feature-media{order:2}
}
.feature-media{position:relative;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-md)}
.feature-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.feature-body .h2{margin-bottom:16px}
.feature-text{color:var(--muted);font-size:15px;line-height:1.85;max-width:44ch}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--ink)}
.check-list li svg{flex-shrink:0;margin-top:6px}

/* ============ 设备卡 ============ */
.device-grid{display:grid;gap:20px}
@media (min-width:768px){.device-grid{grid-template-columns:repeat(3,1fr)}}
.device-card{border-radius:var(--radius-md);padding:28px 24px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease}
@media (hover:hover){.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}}
.device-card.tint{background:var(--brand-200);border-color:transparent}
.device-card.dark{background:var(--brand-900);border-color:transparent;color:#fff}
.device-card.dark .device-name,.device-card.dark .device-num{color:#fff}
.device-card.dark .device-text{color:rgba(255,255,255,.78)}
.device-num{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-500);font-variant-numeric:tabular-nums}
.device-name{margin-top:12px;font-size:20px;font-weight:700;color:var(--brand-900);line-height:1.35}
.device-text{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 提示卡 ============ */
.tips-card{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--lime-400);border-radius:0 var(--radius-lg) var(--radius-lg) 0;padding:32px 28px;box-shadow:var(--shadow-sm)}
.tips-list{margin-top:18px;display:grid;gap:14px}
@media (min-width:768px){.tips-list{grid-template-columns:repeat(2,1fr);gap:14px 32px}}
.tips-list li{display:flex;gap:10px;font-size:15px;color:var(--ink);line-height:1.7}
.tips-list li span.dot{flex-shrink:0;margin-top:9px;width:8px;height:8px;border-radius:50%;background:var(--brand-500)}

/* ============ 速答 ============ */
.qa-list{display:flex;flex-direction:column;gap:12px}
.qa-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.qa-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:700;color:var(--brand-900);cursor:pointer;list-style:none}
.qa-item summary::-webkit-details-marker{display:none}
.qa-item summary .qa-icon{flex-shrink:0;display:grid;place-items:center;width:28px;height:28px;border-radius:999px;background:rgba(18,168,123,.10);color:var(--brand-700);transition:transform .2s ease}
.qa-item[open]{border-color:var(--brand-200);box-shadow:var(--shadow-sm)}
.qa-item[open] summary{border-left:4px solid var(--lime-400);padding-left:26px}
.qa-item[open] summary .qa-icon{transform:rotate(180deg)}
.qa-body{padding:0 22px 20px 26px;font-size:15px;color:var(--muted);line-height:1.85;max-width:60ch}

/* ============ CTA 条 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--grad-brand);border-radius:var(--radius-lg);padding:36px 28px;color:#fff;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
@media (min-width:1024px){.cta-band{padding:44px 48px}}
.cta-band::after{content:"";position:absolute;right:-90px;top:-110px;width:280px;height:280px;border-radius:50%;border:1px solid rgba(255,255,255,.14);box-shadow:0 0 0 50px rgba(255,255,255,.05);pointer-events:none}
.cta-copy{position:relative;z-index:2;max-width:52ch}
.cta-title{font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.3}
.cta-text{margin-top:10px;font-size:15px;color:rgba(255,255,255,.85)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.88);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;gap:40px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(3,1fr);gap:32px}}
.footer-logo{display:flex;align-items:center;gap:10px}
.footer-logo-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}
.footer-logo-text{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer-desc{margin:14px 0 18px;font-size:14px;color:rgba(255,255,255,.72);max-width:36ch;line-height:1.8}
.social-row{display:flex;gap:10px}
.social-btn{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);transition:background .2s ease,border-color .2s ease,transform .2s ease}
@media (hover:hover){.social-btn:hover{background:rgba(198,242,78,.16);border-color:rgba(198,242,78,.4);transform:translateY(-2px)}}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:12px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.75)}
@media (hover:hover){.footer-links a:hover{color:var(--lime-400)}}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}

/* ============ 底部 Tab ============ */
.tab-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));box-shadow:0 -12px 24px rgba(6,43,36,.08)}
.tab-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 2px;font-size:11px;line-height:1.4;color:var(--muted);border-radius:14px;transition:color .2s ease}
.tab-ico{display:grid;place-items:center;width:36px;height:22px;border-radius:999px;transition:background .2s ease}
.tab-item.active{color:var(--brand-700);font-weight:700}
.tab-item.active .tab-ico{background:rgba(198,242,78,.55)}
@media (min-width:1024px){.tab-bar{display:none}body{padding-bottom:0}}

/* 打印与降级 */
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand-900:#062B24;
  --brand-700:#0E5C4A;
  --brand-500:#12A87B;
  --brand-200:#B9E6D4;
  --lime-400:#C6F24E;
  --warm-500:#FF6B35;
  --ink:#0F1613;
  --muted:#5C6B64;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --line:#E2E8DF;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:16px;
  --shadow-sm:0 4px 12px rgba(6,43,36,.06);
  --shadow-md:0 12px 32px rgba(6,43,36,.10);
  --shadow-lg:0 24px 56px rgba(6,43,36,.14);
  --grad-brand:linear-gradient(120deg,#062B24 0%,#0E5C4A 45%,#12A87B 78%,#C6F24E 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
@media (min-width:1440px){.container{padding:0 40px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s cubic-bezier(.2,.7,.3,1),background .22s;
}
.site-header.scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,.96);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:var(--grad-brand);box-shadow:var(--shadow-sm);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--brand-900);}
.nav-links{display:none;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 12px;border-radius:999px;font-size:15px;font-weight:600;color:var(--muted);
  transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--brand-700);background:rgba(18,168,123,.08);}
.nav-link.active{color:var(--brand-900);}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-14px;height:3px;border-radius:3px;background:var(--lime-400);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.menu-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;cursor:pointer;transition:border-color .2s,box-shadow .2s;
}
.menu-toggle:hover{border-color:var(--brand-500);}
.menu-toggle:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px;}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .menu-toggle{display:none;}
}
.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(6,43,36,.55);
  opacity:0;visibility:hidden;transition:opacity .22s;
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(320px,84vw);height:100%;background:var(--surface);
  border-radius:22px 0 0 22px;padding:24px 20px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .26s cubic-bezier(.2,.7,.3,1);
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.04em;margin-bottom:6px;}
.drawer-link{
  padding:13px 14px;border-radius:14px;font-weight:600;color:var(--ink);background:var(--bg);
  transition:background .2s,color .2s;
}
.drawer-link:hover{background:var(--brand-200);color:var(--brand-900);}
.drawer-link.active{background:var(--brand-700);color:#fff;}
.drawer-close{
  margin-top:auto;padding:13px 14px;border-radius:999px;border:1.5px solid var(--brand-700);
  background:transparent;color:var(--brand-700);font-weight:700;cursor:pointer;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-weight:700;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:56px;padding:0 32px;font-size:16px;}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--grad-brand);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost:hover{background:rgba(18,168,123,.08);border-color:var(--brand-500);color:var(--brand-900);}
.btn-ghost:active{transform:scale(.98);}
.btn-warm{background:var(--warm-500);color:#fff;}
.btn-warm:hover{background:#e75a26;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px;}
.link-inline{color:var(--brand-700);font-weight:700;border-bottom:2px solid var(--brand-200);transition:border-color .2s,color .2s;}
.link-inline:hover{border-color:var(--lime-400);color:var(--brand-900);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
}
.badge-lime{background:var(--lime-400);color:var(--brand-900);}
.badge-line{background:var(--surface);border:1px solid var(--line);color:var(--brand-700);}
.badge-glass{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.28);}
.badge-soft{background:var(--brand-200);color:var(--brand-900);}

/* ---------- breadcrumb ---------- */
.crumb-wrap{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:14px 0;flex-wrap:wrap;}
.crumb a:hover{color:var(--brand-700);}
.crumb .sep{color:#a8b4ad;}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(120deg,rgba(6,43,36,.95) 0%,rgba(14,92,74,.90) 45%,rgba(18,168,123,.82) 78%,rgba(198,242,78,.55) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.18) 0%,rgba(198,242,78,0) 70%);pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 0 60px;}
@media (min-width:768px){.cat-hero-inner{padding:72px 0 84px;}}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.cat-hero h1{
  font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.12;letter-spacing:-.01em;max-width:820px;
}
.cat-hero h1 .hl{
  background:linear-gradient(120deg,#C6F24E 0%,#B9E6D4 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;max-width:640px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.86);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-actions .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:32px;font-size:13px;color:rgba(255,255,255,.8);}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:96px 0;}}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.25;color:var(--brand-900);}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;}

/* ---------- two column layout ---------- */
.layout-2col{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.layout-2col{grid-template-columns:68fr 32fr;gap:40px;align-items:start;}}

.point-card{
  position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px 24px 24px;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s cubic-bezier(.2,.7,.3,1),transform .22s cubic-bezier(.2,.7,.3,1);
  margin-bottom:20px;
}
.point-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}
.point-card .watermark{
  position:absolute;top:-18px;right:12px;font-size:96px;font-weight:800;line-height:1;
  color:rgba(18,168,123,.10);letter-spacing:-.04em;pointer-events:none;user-select:none;
}
.point-card h3{position:relative;font-size:20px;font-weight:700;line-height:1.35;color:var(--brand-900);padding-right:64px;}
.point-card p{position:relative;margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85;}
.check-list{margin-top:16px;display:grid;gap:10px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink);}
.check-list svg{flex:none;margin-top:5px;}

/* ---------- sticky sidebar ---------- */
.side-col{display:grid;gap:20px;}
@media (min-width:1024px){.side-col{position:sticky;top:96px;}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-sm);}
.side-card h3{font-size:16px;font-weight:700;color:var(--brand-900);margin-bottom:14px;}
.quick-list{display:grid;gap:6px;}
.quick-list a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;font-size:14px;
  color:var(--muted);font-weight:600;transition:background .2s,color .2s,transform .2s;
}
.quick-list a:hover{background:var(--brand-200);color:var(--brand-900);transform:translateX(3px);}
.quick-list .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-500);flex:none;}
.stat-stack{display:grid;gap:14px;}
.stat-row{display:flex;align-items:baseline;gap:10px;}
.stat-row .n{font-size:30px;font-weight:800;color:var(--brand-700);letter-spacing:-.02em;}
.stat-row .t{font-size:12px;color:var(--muted);}
.side-card .btn{width:100%;}
.side-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7;}

/* ---------- figure block ---------- */
.figure-band{
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-sm);
}
@media (min-width:900px){.figure-band{grid-template-columns:1fr 1.1fr;gap:36px;padding:32px;}}
.figure-band img{border-radius:var(--r-sm);object-fit:cover;width:100%;height:100%;max-height:340px;border:1px solid rgba(6,43,36,.06);box-shadow:inset 0 0 0 1px rgba(6,43,36,.04);}
.figure-band h2{font-size:clamp(24px,3.2vw,32px);font-weight:700;line-height:1.25;color:var(--brand-900);}
.figure-band .lead{margin-top:14px;color:var(--muted);font-size:15px;}
.mini-list{margin-top:20px;display:grid;gap:12px;}
.mini-list li{display:flex;gap:12px;padding:14px 16px;background:var(--bg);border-radius:14px;font-size:14.5px;}
.mini-list strong{color:var(--brand-900);}

/* ---------- risk cards ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(4,1fr);}}
.risk-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s cubic-bezier(.2,.7,.3,1),transform .22s cubic-bezier(.2,.7,.3,1),border-color .22s;
}
.risk-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:var(--brand-200);}
.risk-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-200);color:var(--brand-900);
}
.risk-card h3{font-size:18px;font-weight:700;color:var(--brand-900);line-height:1.35;}
.risk-card p{font-size:14.5px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:var(--brand-200);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:700;color:var(--brand-900);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 4px 4px 0;
  background:var(--lime-400);transform:scaleY(0);transform-origin:top;transition:transform .2s;
}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-arrow{flex:none;transition:transform .2s;}
.faq-item[open] .faq-arrow{transform:rotate(180deg);}
.faq-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);overflow:hidden;color:#fff;
  background:var(--grad-brand);padding:36px 26px;display:flex;flex-direction:column;gap:24px;
  box-shadow:var(--shadow-md);
}
@media (min-width:900px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 48px;}}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;color:#fff;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.85);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.88);margin-top:96px;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:4fr 4fr 4fr;gap:32px;}}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-logo-mark{width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,.10);display:grid;place-items:center;}
.footer-logo-text{font-size:17px;font-weight:800;color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-btn{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);transition:background .2s,transform .2s;
}
.social-btn:hover{background:rgba(198,242,78,.18);transform:translateY(-2px);}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--lime-400);margin-bottom:14px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.82);transition:color .2s;}
.footer-links a:hover{color:var(--lime-400);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
}

/* ---------- mobile tabbar ---------- */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;
  background:#fff;border-top:1px solid var(--line);box-shadow:0 -12px 24px rgba(6,43,36,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
  flex:1;height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--muted);font-weight:600;
}
.tab-icon{width:26px;height:26px;border-radius:999px;display:grid;place-items:center;transition:background .2s;}
.tab-item.active{color:var(--brand-700);}
.tab-item.active .tab-icon{background:rgba(198,242,78,.55);}
.tab-item:active .tab-icon{background:rgba(198,242,78,.8);}
@media (min-width:1024px){.mobile-tabbar{display:none;}}
@media (max-width:1023px){body{padding-bottom:76px;}}

@media (hover:hover){
  .point-card:hover,.risk-card:hover{will-change:transform;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --brand-900:#062B24;
  --brand-700:#0E5C4A;
  --brand-500:#12A87B;
  --brand-200:#B9E6D4;
  --lime-400:#C6F24E;
  --warm-500:#FF6B35;
  --ink:#0F1613;
  --muted:#5C6B64;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --line:#E2E8DF;
  --grad-brand:linear-gradient(120deg,#062B24 0%,#0E5C4A 45%,#12A87B 78%,#C6F24E 100%);
  --grad-cta:linear-gradient(120deg,#062B24 0%,#0E5C4A 58%,#12A87B 100%);
  --shadow-sm:0 4px 12px rgba(6,43,36,.06);
  --shadow-md:0 12px 32px rgba(6,43,36,.10);
  --shadow-lg:0 24px 56px rgba(6,43,36,.14);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:14px;
  --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:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
@media (min-width:1440px){.container{padding:0 40px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  --nav-fg:#FFFFFF;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  --nav-fg:var(--ink);
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(6,43,36,.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-700);
  box-shadow:0 6px 16px rgba(6,43,36,.25);
}
.site-header.is-scrolled .brand-mark{background:var(--brand-900);}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--nav-fg);transition:color .25s var(--ease);}
.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:4px;}
}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  color:var(--nav-fg);
  opacity:.82;
  transition:opacity .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.nav-link:hover{opacity:1;background:rgba(198,242,78,.24);}
.nav-link.active{opacity:1;font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;border-radius:3px;background:var(--lime-400);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:999px;
  border:1px solid rgba(198,242,78,.45);
  color:var(--nav-fg);
  transition:background .2s var(--ease);
}
.menu-toggle:hover{background:rgba(198,242,78,.18);}
@media (min-width:1024px){.menu-toggle{display:none;}}
@media (max-width:1023px){
  .header-actions .btn{display:none;}
}
@media (max-width:767px){
  .site-header{--nav-fg:var(--ink);background:rgba(255,255,255,.95);border-bottom-color:var(--line);}
  .site-header.is-scrolled{background:rgba(255,255,255,.98);}
  .header-inner{height:56px;}
  .brand-text{font-size:16px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:15px;font-weight:700;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:active{transform:translateY(0) scale(.98);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--brand-700);color:#FFFFFF;box-shadow:var(--shadow-sm);}
.btn-lime{background:var(--lime-400);color:#062B24;box-shadow:0 8px 20px rgba(6,43,36,.18);}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#FFFFFF;}
.btn-block{width:100%;}
@media (hover:hover){
  .btn-primary:hover{background-image:linear-gradient(120deg,#0B4E3E 0%,#12A87B 100%);transform:translateY(-2px);box-shadow:var(--shadow-md);}
  .btn-lime:hover{background:#D6FF66;transform:translateY(-2px);box-shadow:var(--shadow-md);}
  .btn-ghost:hover{background:rgba(14,92,74,.08);border-color:var(--brand-500);transform:translateY(-2px);}
  .btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#FFFFFF;transform:translateY(-2px);}
}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;
  border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;line-height:1;
}
.badge-lime{background:var(--lime-400);color:#062B24;}
.badge-line{background:#FFFFFF;color:var(--brand-700);border:1px solid var(--line);}
.badge-glass{background:rgba(255,255,255,.16);color:#FFFFFF;border:1px solid rgba(255,255,255,.3);}
.badge-soft{background:var(--brand-200);color:#0B4438;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  color:#FFFFFF;
  background-color:var(--brand-900);
  background-image:linear-gradient(120deg,rgba(6,43,36,.95) 0%,rgba(6,43,36,.88) 44%,rgba(18,168,123,.74) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:96px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.12) 0%,rgba(198,242,78,0) 68%);
  pointer-events:none;
}
@media (max-width:767px){.page-hero{padding:72px 0 48px;}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:26px;}
.breadcrumb a{color:rgba(255,255,255,.82);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--lime-400);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#FFFFFF;font-weight:600;}
.hero-grid{display:grid;gap:40px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.62fr 1fr;gap:48px;}}
.hero-title{
  margin-top:18px;
  font-size:clamp(30px,5vw,54px);
  font-weight:800;line-height:1.12;letter-spacing:-.01em;
}
.grad-text{
  background-image:linear-gradient(120deg,#C6F24E 0%,#7FE3BE 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{margin-top:18px;max-width:34em;font-size:16px;line-height:1.8;color:rgba(255,255,255,.85);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:34px;}
.hero-stats .stat{padding:0 22px;border-left:1px solid rgba(255,255,255,.2);}
.hero-stats .stat:first-child{padding-left:0;border-left:0;}
.stat-num{display:block;font-size:28px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;color:#FFFFFF;}
.stat-label{font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.7);}
@media (max-width:639px){
  .hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
  .hero-stats .stat{padding:0;border-left:0;}
}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:var(--shadow-lg);}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-media::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad-brand);}
.media-badge{position:absolute;top:16px;left:16px;z-index:2;}

/* ---------- 区块 ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-head{margin-bottom:32px;}
.section-title{font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.section-sub{margin-top:12px;max-width:44em;font-size:15px;line-height:1.8;color:var(--muted);}
.section-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}

/* ---------- 搜索与标签 ---------- */
.search-shell{
  display:flex;align-items:center;gap:12px;
  background:#FFFFFF;border:1px solid var(--line);
  border-radius:999px;padding:8px 8px 8px 20px;
  box-shadow:var(--shadow-sm);
  max-width:640px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-shell:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(18,168,123,.12);}
.search-shell svg{flex:0 0 auto;color:var(--brand-500);}
.search-shell input{flex:1;min-width:0;height:44px;border:0;outline:0;background:transparent;font-size:16px;}
.search-shell input::placeholder{color:#9AA8A1;}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding:6px 0 10px;scrollbar-width:none;}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);
  background:#FFFFFF;color:var(--muted);
  font-size:14px;font-weight:600;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{color:var(--brand-700);border-color:var(--brand-200);background:#F3FBF7;}
.chip.is-active{background:var(--brand-700);border-color:var(--brand-700);color:#FFFFFF;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;gap:28px;}
@media (min-width:1024px){.faq-layout{grid-template-columns:1fr 320px;align-items:start;}}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  position:relative;
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;
  font-size:17px;font-weight:700;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-q{flex:1;min-width:0;}
.faq-ico{
  flex:0 0 auto;width:30px;height:30px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:#F1F6F2;color:var(--brand-700);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item[open]{box-shadow:var(--shadow-md);border-color:var(--brand-200);}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--lime-400);
}
.faq-item[open] .faq-ico{transform:rotate(180deg);background:var(--lime-400);color:#062B24;}
.faq-body{
  margin:0 22px 22px;padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:15.5px;line-height:1.9;color:#3C4A44;
}
.faq-body p + p{margin-top:10px;}
@media (hover:hover){.faq-item:hover{box-shadow:var(--shadow-md);}}

/* 侧栏 */
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  padding:24px;
}
@media (min-width:1024px){.side-sticky{position:sticky;top:96px;}}
.side-title{font-size:16px;font-weight:800;margin-bottom:16px;}
.side-list{display:grid;gap:12px;font-size:14.5px;}
.side-list a{display:flex;align-items:center;gap:10px;color:var(--muted);transition:color .2s var(--ease),transform .2s var(--ease);}
.side-list a:hover{color:var(--brand-700);transform:translateX(3px);}
.side-list a::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--brand-500);flex:0 0 auto;}
.side-metrics{display:grid;gap:14px;margin-top:20px;padding-top:20px;border-top:1px dashed var(--line);}
.side-metric{display:flex;align-items:baseline;gap:10px;}
.side-metric b{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-700);}
.side-metric span{font-size:13px;color:var(--muted);}

/* ---------- 排查步骤 ---------- */
.step-grid{display:grid;gap:20px;}
@media (min-width:768px){.step-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.step-grid{grid-template-columns:repeat(4,1fr);}}
.step-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-num{
  font-size:36px;font-weight:800;line-height:1;color:#0E5C4A;
  font-variant-numeric:tabular-nums;
}
@supports (-webkit-text-stroke:1px red){
  .step-num{color:transparent;-webkit-text-stroke:1.6px #0E5C4A;}
}
.step-title{margin-top:16px;font-size:18px;font-weight:700;line-height:1.4;}
.step-desc{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted);}
@media (hover:hover){
  .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-200);}
}

/* ---------- 图文区 ---------- */
.split{display:grid;gap:32px;align-items:center;}
@media (min-width:1024px){
  .split{grid-template-columns:1fr 1fr;gap:48px;}
  .split.reverse .split-media{order:2;}
}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(6,43,36,.06);box-shadow:var(--shadow-md);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s var(--ease);}
@media (hover:hover){.split-media:hover img{transform:scale(1.03);}}
.split-title{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;}
.split-text{margin-top:16px;font-size:15.5px;line-height:1.9;color:#3C4A44;}
.check-list{display:grid;gap:12px;margin-top:20px;}
.check-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:#3C4A44;}
.check-list li svg{flex:0 0 auto;margin-top:6px;color:var(--brand-500);}

/* ---------- 支持渠道卡片 ---------- */
.support-grid{display:grid;gap:20px;}
@media (min-width:768px){.support-grid{grid-template-columns:repeat(3,1fr);}}
.support-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.support-icon{
  width:46px;height:46px;border-radius:var(--r-xs);
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-200);color:var(--brand-900);
}
.support-card h3{margin-top:18px;font-size:18px;font-weight:700;}
.support-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted);}
.support-card .support-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:700;color:var(--brand-700);border-bottom:2px solid rgba(14,92,74,.25);transition:color .2s var(--ease),border-color .2s var(--ease);}
.support-card .support-link:hover{color:var(--brand-500);border-color:var(--lime-400);}
@media (hover:hover){.support-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}}

/* ---------- CTA ---------- */
.cta-band{
  background-image:var(--grad-cta);
  border-radius:var(--r-lg);
  padding:40px 32px;
  color:#FFFFFF;
  display:grid;gap:24px;align-items:center;
  box-shadow:var(--shadow-lg);
}
@media (min-width:1024px){.cta-band{grid-template-columns:1.4fr 1fr;padding:48px 48px;gap:40px;}}
.cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.3;}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:40em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:1024px){.cta-actions{justify-content:flex-end;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.88);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:4fr 4fr 4fr;gap:32px;}}
.footer-logo{display:flex;align-items:center;gap:10px;}
.footer-logo-mark{width:34px;height:34px;border-radius:999px;display:flex;align-items:center;justify-content:center;background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.35);}
.footer-logo-text{font-size:18px;font-weight:800;color:#FFFFFF;}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:34em;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-btn{
  width:38px;height:38px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.social-btn:hover{background:rgba(198,242,78,.18);border-color:rgba(198,242,78,.5);transform:translateY(-2px);}
.footer-title{font-size:15px;font-weight:700;color:#FFFFFF;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.footer-links a{color:rgba(255,255,255,.78);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--lime-400);}
.footer-bottom{
  margin-top:40px;padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:flex;
  background:#FFFFFF;
  border-top:1px solid var(--line);
  box-shadow:0 -12px 24px rgba(6,43,36,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
@media (min-width:768px){.mobile-tabbar{display:none;}}
.tab-item{
  flex:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:60px;font-size:11px;color:var(--muted);
  transition:color .2s var(--ease);
}
.tab-ico{display:flex;align-items:center;justify-content:center;height:26px;padding:0 12px;border-radius:999px;transition:background .2s var(--ease);}
.tab-item.is-active{color:var(--brand-700);font-weight:700;}
.tab-item.is-active .tab-ico{background:rgba(198,242,78,.5);}
@media (max-width:767px){body{padding-bottom:76px;}}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:100;
  display:none;flex-direction:column;
  padding:24px 20px calc(24px + env(safe-area-inset-bottom));
  background:rgba(6,43,36,.98);color:#FFFFFF;
}
.mobile-drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-title{font-size:17px;font-weight:800;color:#FFFFFF;}
.drawer-close{width:42px;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;color:#FFFFFF;}
.drawer-nav{display:grid;gap:10px;}
.drawer-link{
  padding:16px 18px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  font-size:16px;font-weight:600;color:#FFFFFF;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link.is-active{background:rgba(198,242,78,.16);color:var(--lime-400);}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.66);line-height:1.8;}

/* ---------- 通知条 ---------- */
.note-strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  background:#FFFFFF;border:1px solid var(--line);border-left:4px solid var(--lime-400);
  border-radius:var(--r-sm);
  padding:18px 22px;
  box-shadow:var(--shadow-sm);
  font-size:14.5px;color:#3C4A44;
}
.note-strip b{color:var(--brand-700);}

/* roulang page: category4 */
:root{
    --brand-900:#062B24;
    --brand-700:#0E5C4A;
    --brand-500:#12A87B;
    --brand-200:#B9E6D4;
    --lime-400:#C6F24E;
    --warm-500:#FF6B35;
    --ink:#0F1613;
    --muted:#5C6B64;
    --bg:#F4F6F1;
    --surface:#FFFFFF;
    --line:#E2E8DF;
    --r-lg:28px;
    --r-md:20px;
    --r-sm:16px;
    --shadow-sm:0 4px 12px rgba(6,43,36,.06);
    --shadow-md:0 12px 32px rgba(6,43,36,.10);
    --shadow-lg:0 24px 56px rgba(6,43,36,.14);
    --grad-brand:linear-gradient(120deg,#062B24 0%,#0E5C4A 45%,#12A87B 78%,#C6F24E 100%);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol{margin:0}
  ul{padding:0;list-style:none}
  :focus-visible{outline:3px solid var(--lime-400);outline-offset:2px;border-radius:8px}
  .num{font-variant-numeric:tabular-nums}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:1024px){.container{padding:0 32px}}
  @media (min-width:1440px){.container{padding:0 40px}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:80;
    border-bottom:1px solid transparent;
    transition:background .26s ease,box-shadow .26s ease,border-color .26s ease,transform .26s ease;
  }
  .site-header.is-top{background:transparent}
  .site-header.is-solid{
    background:rgba(255,255,255,.94);
    border-bottom-color:var(--line);
    box-shadow:var(--shadow-sm);
    backdrop-filter:saturate(140%);
  }
  .header-inner{
    display:flex;align-items:center;gap:20px;
    height:68px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;
    display:grid;place-items:center;
    background:var(--grad-brand);
    box-shadow:0 6px 16px rgba(6,43,36,.24);
  }
  .brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:#fff;transition:color .26s ease}
  .site-header.is-solid .brand-text{color:var(--brand-900)}
  .nav-links{display:none;align-items:center;gap:4px;margin-left:auto}
  .nav-link{
    position:relative;display:inline-block;
    padding:10px 14px;border-radius:999px;
    font-size:15px;font-weight:600;
    color:rgba(255,255,255,.9);
    transition:color .2s ease,background .2s ease;
  }
  .site-header.is-solid .nav-link{color:var(--muted)}
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
    background:var(--lime-400);transform:scaleX(0);transform-origin:center;
    transition:transform .22s cubic-bezier(.2,.7,.3,1);
  }
  .nav-link.active::after{transform:scaleX(1)}
  .site-header.is-solid .nav-link.active{color:var(--brand-700)}
  .header-cta{display:none;margin-left:12px}
  .nav-toggle{
    margin-left:auto;width:44px;height:44px;border-radius:14px;
    border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.12);
    display:grid;place-items:center;cursor:pointer;
  }
  .site-header.is-solid .nav-toggle{border-color:var(--line);background:#fff}
  .nav-toggle svg{stroke:#fff}
  .site-header.is-solid .nav-toggle svg{stroke:var(--brand-900)}

  .nav-drawer{
    position:fixed;inset:0;z-index:90;display:none;
    background:rgba(6,43,36,.98);
    padding:22px 20px calc(88px + env(safe-area-inset-bottom));
  }
  .nav-drawer.open{display:block}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
  .drawer-close{width:44px;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.28);background:transparent;cursor:pointer;display:grid;place-items:center}
  .drawer-links{display:flex;flex-direction:column;gap:10px}
  .drawer-links a{
    padding:16px 18px;border-radius:var(--r-sm);
    background:rgba(255,255,255,.06);color:#fff;font-size:17px;font-weight:600;
    border:1px solid rgba(255,255,255,.08);
  }
  .drawer-links a.active{background:rgba(198,242,78,.14);border-color:rgba(198,242,78,.45);color:var(--lime-400)}

  @media (min-width:1024px){
    .nav-links{display:flex}
    .header-cta{display:inline-flex}
    .nav-toggle{display:none}
  }

  /* ---------- 按钮 ---------- */
  .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:700;line-height:1;
    border:1.5px solid transparent;cursor:pointer;
    transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
    white-space:nowrap;
  }
  .btn-sm{height:42px;padding:0 20px;font-size:14px}
  .btn-lg{height:56px;padding:0 34px;font-size:16px}
  .btn-primary{background:var(--brand-700);color:#fff}
  .btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
  .btn-light{background:#fff;color:var(--brand-900)}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
  .btn-warm{background:var(--warm-500);color:#fff}
  .btn-block{width:100%}
  .btn:active{transform:translateY(0) scale(.98)}

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0}
  @media (min-width:1024px){.section{padding:96px 0}}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;letter-spacing:.08em;
    color:var(--brand-700);background:var(--brand-200);
    padding:6px 12px;border-radius:999px;height:28px;
  }
  .section-title{font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.25;margin-top:14px}
  .section-desc{max-width:44ch;color:var(--muted);font-size:15px;line-height:1.8;margin-top:12px}
  .text-link{color:var(--brand-700);font-weight:700;text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:2px}
  .text-link:hover{text-decoration-color:var(--lime-400);text-decoration-thickness:3px}

  /* ---------- 页面头部 ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    background:var(--grad-brand);
    padding:calc(68px + 48px) 0 56px;
    color:#fff;
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;background-position:center;
    opacity:.20;
  }
  .page-hero::after{
    content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;
    background:radial-gradient(circle,rgba(198,242,78,.22) 0%,rgba(198,242,78,0) 62%);
    pointer-events:none;
  }
  .hero-inner{position:relative;z-index:2;max-width:760px}
  .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);flex-wrap:wrap}
  .crumbs a:hover{color:var(--lime-400)}
  .page-hero h1{
    font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.12;letter-spacing:-.01em;
    margin-top:18px;
  }
  .hero-sub{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.88);max-width:42ch}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .hero-tags{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:30px;font-size:14px;color:rgba(255,255,255,.82)}
  .hero-tags span{display:inline-flex;align-items:center;gap:8px}
  .hero-tags svg{flex-shrink:0}
  .badge-on-grad{
    display:inline-flex;align-items:center;height:28px;padding:6px 12px;border-radius:999px;
    background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);
    color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;
  }

  /* ---------- 更新条 ---------- */
  .update-strip{
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-sm);
  }
  .update-track{
    display:flex;gap:14px;overflow-x:auto;padding:18px 0;
    scrollbar-width:thin;
  }
  .update-item{
    flex:0 0 auto;display:flex;align-items:center;gap:10px;
    padding:10px 16px;border-radius:999px;
    background:var(--bg);border:1px solid var(--line);
    font-size:14px;color:var(--ink);white-space:nowrap;
    transition:border-color .2s ease,background .2s ease;
  }
  .update-dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);flex-shrink:0}
  .update-item .tag-time{font-size:12px;color:var(--muted)}

  /* ---------- 卡片瀑布 ---------- */
  .falls{display:grid;grid-template-columns:1fr;gap:24px}
  .falls-col{display:flex;flex-direction:column;gap:24px}
  @media (min-width:768px){.falls{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.falls-col{gap:28px}}

  .news-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    overflow:hidden;box-shadow:var(--shadow-sm);
    transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
    display:flex;flex-direction:column;
  }
  .news-thumb{position:relative;overflow:hidden;background:var(--brand-200)}
  .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1);box-shadow:inset 0 0 0 1px rgba(6,43,36,.06)}
  .h-a{height:220px}
  .h-b{height:280px}
  .h-c{height:180px}
  @media (min-width:1024px){.h-a{height:250px}.h-b{height:320px}.h-c{height:200px}}
  .thumb-badge{position:absolute;top:14px;left:14px}
  .badge{
    display:inline-flex;align-items:center;height:28px;padding:6px 12px;border-radius:999px;
    font-size:12px;font-weight:700;letter-spacing:.04em;
  }
  .badge-lime{background:var(--lime-400);color:var(--brand-900)}
  .badge-line{background:#fff;border:1px solid var(--line);color:var(--brand-700)}
  .news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
  .news-title{font-size:20px;font-weight:700;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .news-text{font-size:15px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
  .news-meta span{display:inline-flex;align-items:center;gap:6px}
  .arrow-chip{
    width:32px;height:32px;border-radius:999px;display:grid;place-items:center;
    background:var(--bg);border:1px solid var(--line);
    transition:background .2s ease,border-color .2s ease,transform .2s ease;
  }

  /* ---------- 数据徽章横条 ---------- */
  .stat-band{
    background:var(--brand-900);border-radius:var(--r-lg);
    padding:32px 24px;color:#fff;
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;
  }
  @media (min-width:768px){.stat-band{grid-template-columns:repeat(4,minmax(0,1fr));padding:40px 32px}}
  .stat-item{position:relative;padding-left:0}
  @media (min-width:768px){
    .stat-item+.stat-item{padding-left:28px}
    .stat-item+.stat-item::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:rgba(255,255,255,.16)}
  }
  .stat-num{font-size:clamp(28px,3.4vw,36px);font-weight:800;letter-spacing:-.01em;color:var(--lime-400)}
  .stat-label{font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.76);margin-top:6px}

  /* ---------- 榜单 ---------- */
  .rank-wrap{display:grid;grid-template-columns:1fr;gap:24px}
  @media (min-width:1024px){.rank-wrap{grid-template-columns:5fr 7fr;gap:32px;align-items:start}}
  .rank-aside{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:26px;box-shadow:var(--shadow-sm);
  }
  .rank-aside img{border-radius:var(--r-sm);height:180px;width:100%;object-fit:cover;margin-bottom:18px}
  .rank-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
  .rank-item{
    display:flex;align-items:flex-start;gap:16px;padding:20px 24px;
    border-bottom:1px solid var(--line);
    transition:background .2s ease;
  }
  .rank-item:last-child{border-bottom:0}
  .rank-num{
    font-size:24px;font-weight:800;color:transparent;
    -webkit-text-stroke:1.4px var(--brand-500);
    line-height:1.2;width:34px;flex-shrink:0;
  }
  .rank-item h3{font-size:17px;font-weight:700;line-height:1.45}
  .rank-item p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.7}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;position:relative;box-shadow:var(--shadow-sm);
  }
  .faq-item summary{
    list-style:none;cursor:pointer;padding:20px 56px 20px 24px;
    font-size:17px;font-weight:700;line-height:1.5;position:relative;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;
    border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
    transform:translateY(-70%) rotate(45deg);
    transition:transform .2s ease;
  }
  .faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg)}
  .faq-item[open]::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--lime-400)}
  .faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85}

  /* ---------- CTA 条 ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    background:var(--grad-brand);color:#fff;
    padding:40px 26px;
    display:flex;flex-direction:column;gap:22px;
    box-shadow:var(--shadow-md);
  }
  @media (min-width:768px){
    .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 44px}
  }
  .cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3}
  .cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.86);max-width:48ch}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--brand-900);color:rgba(255,255,255,.88);
    padding:56px 0 26px;margin-top:56px;
  }
  @media (min-width:1024px){.site-footer{padding:72px 0 28px;margin-top:96px}}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
  @media (min-width:768px){.footer-grid{grid-template-columns:4fr 4fr 4fr;gap:28px}}
  .footer-logo{display:flex;align-items:center;gap:10px}
  .footer-logo-mark{
    width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
    background:rgba(255,255,255,.08);border:1px solid rgba(198,242,78,.35);
  }
  .footer-logo-text{font-size:17px;font-weight:800;color:#fff}
  .footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:34ch}
  .social-row{display:flex;gap:12px;margin-top:20px}
  .social-btn{
    width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
    transition:background .2s ease,border-color .2s ease,transform .2s ease;
  }
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
  .footer-links{display:flex;flex-direction:column;gap:12px;font-size:14px}
  .footer-links a{color:rgba(255,255,255,.76);transition:color .2s ease}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.6);
  }

  /* ---------- 移动端底部 Tab ---------- */
  .mobile-tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:85;
    display:flex;align-items:stretch;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -12px 24px rgba(6,43,36,.08);
    height:calc(60px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;font-weight:600;color:var(--muted);
    transition:color .2s ease;
  }
  .tab-icon{width:36px;height:24px;display:grid;place-items:center;border-radius:999px;transition:background .2s ease}
  .tab-icon svg{stroke:currentColor}
  .tab-item.active{color:var(--brand-700)}
  .tab-item.active .tab-icon{background:rgba(198,242,78,.45)}
  @media (min-width:1024px){.mobile-tabbar{display:none}}
  @media (max-width:1023px){body{padding-bottom:76px}}

  @media (hover:hover){
    .btn-primary:hover{background:var(--grad-brand);transform:translateY(-2px);box-shadow:var(--shadow-md)}
    .btn-ghost:hover{background:rgba(18,168,123,.08);border-color:var(--brand-500)}
    .btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
    .btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff}
    .btn-warm:hover{background:#e95c28;transform:translateY(-2px);box-shadow:var(--shadow-md)}
    .nav-link:hover{color:#fff}
    .site-header.is-solid .nav-link:hover{color:var(--brand-700);background:rgba(18,168,123,.07)}
    .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CDE6D9}
    .news-card:hover .news-thumb img{transform:scale(1.03)}
    .news-card:hover .news-title{color:var(--brand-700)}
    .news-card:hover .arrow-chip{background:var(--lime-400);border-color:var(--lime-400)}
    .update-item:hover{border-color:var(--brand-500);background:#fff}
    .rank-item:hover{background:#F8FBF6}
    .social-btn:hover{background:rgba(198,242,78,.16);border-color:rgba(198,242,78,.5);transform:translateY(-2px)}
    .footer-links a:hover{color:var(--lime-400)}
    .crumbs a:hover{color:var(--lime-400)}
    .tab-item:hover{color:var(--brand-700)}
  }