/* roulang page: index */
:root{
  --brand-1:#FF5A1F;
  --brand-2:#FF2E7E;
  --brand-3:#C6F53C;
  --ink:#0F1A17;
  --ink-2:#3A4A44;
  --muted:#6B7A74;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --line:#E7E1D8;
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,26,23,.06), 0 8px 24px rgba(15,26,23,.06);
  --shadow-2:0 18px 44px rgba(255,90,31,.18);
  --grad:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  --grad-line:linear-gradient(90deg,var(--brand-1),var(--brand-3));
}
*,*::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:'HarmonyOS Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:750;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,36px);}
.section-head .lead{color:var(--ink-2);font-size:16px;margin-top:10px;max-width:620px;}
.h2-bar{display:inline-block;width:44px;height:5px;border-radius:var(--r-pill);background:var(--grad);margin-bottom:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand-1);
  background:rgba(255,90,31,.09);border:1px solid rgba(255,90,31,.22);
  border-radius:var(--r-pill);padding:6px 14px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,.92);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(250,247,242,.97);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px;
  box-shadow:0 6px 16px rgba(255,46,126,.28);
}
.brand-mark svg{width:18px;height:18px;display:block;}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--ink-2);border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;
  background:var(--grad-line);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-boxed{
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-1);
  padding:0 16px;gap:8px;
}
.nav-link.is-boxed:hover{border-color:var(--brand-1);color:var(--brand-1);}
.nav-link.is-boxed::after{display:none;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-ghost{
  font-size:15px;font-weight:600;color:var(--ink-2);padding:10px 6px;border-radius:var(--r-pill);
  transition:color .2s ease;
}
.nav-ghost:hover{color:var(--brand-1);}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--surface);
  padding:16px 20px 24px;
}
.mobile-drawer.is-open{display:block;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px dashed var(--line);
}
.drawer-link.is-active{color:var(--brand-1);}
.drawer-cta{margin-top:18px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;font-size:15px;
  padding:14px 28px;min-height:48px;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--grad);background-size:160% 100%;background-position:0 0;color:#fff;
  box-shadow:0 10px 24px rgba(255,46,126,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);background-position:100% 0;}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,46,126,.22);}
.btn-secondary{background:var(--surface);border-color:var(--line);color:var(--ink);box-shadow:var(--shadow-1);}
.btn-secondary:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-secondary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;min-height:42px;font-size:14px;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--brand-1);
}
.text-link .arrow{transition:transform .22s ease;}
.text-link:hover .arrow{transform:translateX(4px);}
.text-link.on-dark{color:var(--brand-3);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(560px 380px at 88% -10%, rgba(255,90,31,.16), transparent 70%),
    radial-gradient(420px 320px at 6% 24%, rgba(198,245,60,.20), transparent 72%),
    var(--bg);
  padding:72px 0 80px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(15,26,23,.045) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(15,26,23,.045) 1px, transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
          mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:55fr 45fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(32px,5vw,56px);margin:20px 0 18px;font-weight:800;}
.hero h1 .mark{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:var(--ink-2);font-size:17px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;}
.stat{
  flex:1 1 150px;min-width:140px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--shadow-1);
}
.stat b{display:block;font-size:28px;font-weight:800;line-height:1.2;color:var(--ink);}
.stat b i{font-style:normal;font-size:14px;font-weight:700;color:var(--muted);margin-left:2px;}
.stat span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--grad);padding:14px;box-shadow:var(--shadow-2);}
.hero-visual img{width:100%;aspect-ratio:16/12;object-fit:cover;border-radius:22px;background:#EDE7DD;}
.hero-badge{
  position:absolute;left:26px;bottom:26px;display:inline-flex;align-items:center;gap:10px;
  background:var(--ink);color:#fff;border-radius:var(--r-pill);padding:10px 18px;
  box-shadow:0 12px 28px rgba(15,26,23,.28);
}
.hero-badge b{color:var(--brand-3);font-size:20px;font-weight:800;}
.hero-badge span{font-size:12.5px;color:rgba(255,255,255,.78);}

/* ============ 通用卡片 ============ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:28px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.45);}
.card h3{font-size:21px;margin-bottom:12px;}
.card p{color:var(--ink-2);font-size:15.5px;}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,90,31,.10);color:var(--brand-1);margin-bottom:18px;
}
.card-icon svg{width:24px;height:24px;}
.card-foot{margin-top:22px;}

/* 功能分组：1 大卡 + 2 小卡 */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.feature-side{display:grid;gap:24px;}
.feature-main{display:flex;flex-direction:column;overflow:hidden;padding:0;}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDE7DD;}
.feature-main .body{padding:28px 30px 30px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0;}
.chip{
  font-size:13.5px;font-weight:600;color:var(--ink-2);background:#F3EFE7;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;
  transition:border-color .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--brand-1);color:var(--brand-1);}

/* 使用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.scene{
  position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.scene .num{
  font-size:52px;font-weight:800;line-height:1;color:rgba(15,26,23,.07);
  font-variant-numeric:tabular-nums;
}
.scene h3{font-size:19px;margin:14px 0 10px;}
.scene p{font-size:14.8px;color:var(--ink-2);}
.scene img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm);margin-top:18px;background:#EDE7DD;}

/* 案例 */
.case-list{display:grid;gap:24px;}
.case{
  display:grid;grid-template-columns:5fr 7fr;gap:0;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.45);}
.case img{width:100%;height:100%;min-height:230px;object-fit:cover;background:#EDE7DD;}
.case .body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center;}
.case h3{font-size:22px;margin:14px 0 10px;}
.case p{color:var(--ink-2);font-size:15.5px;}
.case-metrics{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
.metric{
  border:1px solid rgba(198,245,60,.85);background:rgba(198,245,60,.22);
  border-radius:var(--r-sm);padding:10px 14px;
}
.metric b{display:block;font-size:22px;font-weight:800;line-height:1.2;color:var(--ink);}
.metric span{font-size:12px;color:var(--ink-2);}

/* 方案价格 */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.plan.is-featured{
  border:2px solid transparent;
  background-image:linear-gradient(var(--surface),var(--surface)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  transform:translateY(-10px);box-shadow:var(--shadow-2);
}
.plan-flag{
  position:absolute;top:-14px;left:28px;background:var(--grad);color:#fff;font-size:13px;font-weight:700;
  border-radius:var(--r-pill);padding:5px 16px;box-shadow:0 8px 18px rgba(255,46,126,.28);
}
.plan h3{font-size:20px;}
.plan .price{font-size:32px;font-weight:800;margin:14px 0 4px;font-variant-numeric:tabular-nums;}
.plan .price small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px;}
.plan .desc{font-size:14.5px;color:var(--muted);margin-bottom:18px;}
.plan ul{display:grid;gap:12px;margin-bottom:26px;}
.plan li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);}
.plan li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);
  transform:rotate(-45deg);border-radius:1px;
}
.plan .btn{margin-top:auto;width:100%;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.45);}
.news-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EDE7DD;}
.news-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card .title{
  font-size:17px;font-weight:700;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .excerpt{
  font-size:14.5px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:8px;}
.news-card .meta time{font-size:13px;color:var(--muted);}
.pill{
  display:inline-flex;align-items:center;font-size:13.5px;font-weight:600;color:var(--brand-1);
  background:rgba(255,90,31,.09);border:1px solid rgba(255,90,31,.22);
  border-radius:var(--r-pill);padding:5px 14px;
}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;border:1px dashed var(--line);
  border-radius:var(--r-lg);background:var(--surface);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;background:rgba(255,90,31,.10);color:var(--brand-1);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.empty-state p{color:var(--muted);margin-bottom:18px;}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;transition:background .2s ease,border-color .2s ease;
}
.faq:hover{background:rgba(255,90,31,.05);}
.faq[open]{border-color:rgba(255,90,31,.42);}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq .sign{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:rgba(255,90,31,.12);color:var(--brand-1);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .24s ease,background .24s ease;
}
.faq[open] .sign{transform:rotate(45deg);background:var(--brand-1);color:#fff;}
.faq .answer{padding:0 24px 22px;color:var(--ink-2);font-size:15.5px;}

/* CTA 大卡 */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad);
  color:#fff;padding:52px 48px;box-shadow:var(--shadow-2);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-card h2{font-size:clamp(24px,3vw,34px);color:#fff;position:relative;}
.cta-card p{position:relative;color:rgba(255,255,255,.9);max-width:620px;margin:14px 0 0;font-size:16px;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0;}
.footer-cta{margin-bottom:56px;}
.footer-grid{display:grid;grid-template-columns:4fr 2.5fr 2.5fr 3.5fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-grid p{font-size:14.5px;color:rgba(255,255,255,.66);}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-links a:hover{color:var(--brand-3);}
.footer-contact{display:grid;gap:10px;font-size:14.5px;}
.subscribe{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 160px;min-height:46px;border-radius:14px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:12px 16px;
}
.subscribe input::placeholder{color:rgba(255,255,255,.45);}
.subscribe input:focus{outline:none;border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(198,245,60,.22);}
.subscribe .btn{padding:12px 22px;min-height:46px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.record-slot{min-height:18px;}

/* 通用间距辅助 */
.mt-24{margin-top:24px;}
.center{text-align:center;}
.prose-cn{font-size:17px;line-height:1.9;color:var(--ink-2);}
.prose-cn p{margin-bottom:1.2em;}

@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{max-width:640px;}
  .nav-links{display:none;}
  .nav-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .feature-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .plan-grid{grid-template-columns:1fr;}
  .plan.is-featured{transform:none;}
  .case{grid-template-columns:1fr;}
  .case img{min-height:210px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .nav-wrap{height:60px;}
  .btn{padding:13px 22px;min-height:46px;}
  .hero{padding:48px 0 56px;}
  .hero-stats{gap:12px;}
  .stat{flex:1 1 calc(50% - 6px);min-width:0;}
  .cta-card{padding:36px 26px;}
  .faq summary{padding:18px 18px;font-size:15.5px;}
  .faq .answer{padding:0 18px 20px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  body{font-size:16px;}
  .scene-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-visual{padding:10px;}
  .card{padding:22px;}
  .brand-name{font-size:17px;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --brand-1:#FF5A1F;
  --brand-2:#FF2E7E;
  --brand-3:#C6F53C;
  --ink:#0F1A17;
  --ink-2:#3A4A44;
  --muted:#6B7A74;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --line:#E7E1D8;
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,26,23,.06), 0 8px 24px rgba(15,26,23,.06);
  --shadow-2:0 18px 44px rgba(255,90,31,.18);
  --grad-main:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  --grad-line:linear-gradient(90deg,var(--brand-1),var(--brand-3));
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:'HarmonyOS Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  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,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.28;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:84px 0;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-title{font-size:clamp(24px,3vw,36px);position:relative;padding-left:16px;}
.sec-title::before{content:'';position:absolute;left:0;top:.16em;bottom:.16em;width:5px;border-radius:4px;background:var(--grad-main);}
.sec-desc{margin-top:12px;color:var(--muted);font-size:15px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand-1);background:rgba(255,90,31,.08);border:1px solid rgba(255,90,31,.18);padding:6px 14px;border-radius:var(--r-pill);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:18px;letter-spacing:-.01em;white-space:nowrap;}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--grad-main);display:grid;place-items:center;flex:0 0 32px;box-shadow:0 6px 16px rgba(255,90,31,.28);}
.brand-mark svg{width:18px;height:18px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.nav-link::after{
  content:'';position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-line);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-boxed{border:1px solid var(--line);background:#fff;padding:9px 16px;}
.nav-link.is-boxed:hover{border-color:var(--brand-1);color:var(--brand-1);}
.nav-link.is-boxed:hover::after{transform:scaleX(0);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  text-align:center;
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.24);background-size:150% 150%;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);background-position:100% 50%;color:#fff;}
.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-secondary:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--ink);border-color:#fff;}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,26,23,.22);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-1);font-size:14px;font-weight:600;padding:6px 0;}
.btn-text span{transition:transform .22s ease;}
.btn-text:hover span{transform:translateX(4px);}
.btn:focus-visible,.nav-link:focus-visible,.filter-pill:focus-visible,
input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-1);outline-offset:2px;
}
.btn:active{transform:translateY(0) scale(.99);}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- banner ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:72px 0 68px;min-height:300px;display:flex;align-items:center;
  background:
    linear-gradient(115deg,rgba(15,26,23,.95) 0%,rgba(19,38,32,.9) 48%,rgba(58,26,16,.86) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::before{
  content:'';position:absolute;right:-10%;top:-40%;width:70%;height:180%;
  background:var(--grad-main);opacity:.20;transform:skewX(-14deg);
  filter:blur(6px);pointer-events:none;
}
.page-hero::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px;}
.breadcrumb a:hover{color:var(--brand-3);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#fff;}
.page-hero h1{color:#fff;font-size:clamp(30px,4.4vw,50px);max-width:880px;}
.page-hero .hero-note{margin-top:16px;max-width:680px;color:rgba(255,255,255,.82);font-size:16px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags .htag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--brand-3);background:rgba(198,245,60,.12);
  border:1px solid rgba(198,245,60,.42);border-radius:var(--r-pill);padding:6px 14px;
}

/* ---------- filter bar ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:18px 0 4px;}
.filter-pill{
  display:inline-flex;align-items:center;min-height:40px;
  padding:8px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:600;
  color:var(--ink-2);background:#fff;border:1px solid var(--line);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.filter-pill:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.filter-pill.is-current{background:var(--grad-main);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(255,90,31,.22);}
.filter-note{margin-left:auto;font-size:13px;color:var(--muted);}

/* ---------- product grid ---------- */
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:28px;}
.product-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.6);}
.thumb{position:relative;aspect-ratio:4/3;background:#F1EDE6;overflow:hidden;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.product-card:hover .thumb img{transform:scale(1.04);}
.heat-tag{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;gap:5px;
  background:var(--brand-3);color:var(--ink);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
}
.product-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.product-body h3{font-size:20px;font-weight:700;}
.product-body .p-desc{font-size:14px;color:var(--muted);}
.spec-row{display:flex;flex-wrap:wrap;gap:8px;}
.spec{
  font-size:12.5px;font-weight:600;color:var(--ink-2);
  background:#F6F2EB;border:1px solid var(--line);
  border-radius:var(--r-sm);padding:5px 10px;
}
.product-body .btn-text{margin-top:auto;}

/* ---------- table ---------- */
.table-wrap{
  margin-top:28px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.compare{width:100%;border-collapse:collapse;min-width:760px;font-size:15px;}
table.compare thead th{
  position:sticky;top:0;z-index:2;background:#FBF8F4;
  text-align:left;font-size:14px;font-weight:700;color:var(--ink);
  padding:16px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.compare tbody td{padding:16px 20px;border-bottom:1px solid #F1ECE4;color:var(--ink-2);vertical-align:top;}
table.compare tbody tr:nth-child(even){background:#FDFBF7;}
table.compare tbody tr:hover{background:rgba(255,90,31,.05);}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare .t-strong{color:var(--ink);font-weight:700;}

/* ---------- rank list ---------- */
.rank-list{display:grid;gap:14px;margin-top:28px;}
.rank-row{
  display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 24px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.rank-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.5);}
.rank-no{font-size:30px;font-weight:800;color:transparent;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;letter-spacing:-.02em;}
.rank-main h3{font-size:17px;font-weight:700;}
.rank-main p{font-size:13.5px;color:var(--muted);margin-top:2px;}
.hot-bar{width:180px;height:6px;border-radius:var(--r-pill);background:#EFEAE2;overflow:hidden;margin-top:10px;}
.hot-bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--grad-line);}
.rank-val{font-size:14px;font-weight:700;color:var(--brand-1);white-space:nowrap;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;margin-top:28px;}
details.faq{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;transition:background .24s ease,border-color .24s ease;
}
details.faq:hover{background:rgba(255,90,31,.05);border-color:rgba(255,90,31,.35);}
details.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);min-height:44px;
}
details.faq summary::-webkit-details-marker{display:none;}
.faq-sign{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;background:#F6F2EB;border:1px solid var(--line);
  color:var(--brand-1);font-weight:700;transition:transform .24s ease,background .24s ease,color .24s ease;
}
details.faq[open] .faq-sign{transform:rotate(45deg);background:var(--grad-main);color:#fff;border-color:transparent;}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--ink-2);}
details.faq[open] .faq-body{animation:faqIn .26s ease;}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad-main);color:#fff;padding:56px 48px;
  box-shadow:0 24px 60px rgba(255,90,31,.24);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:'';position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:rgba(198,245,60,.24);filter:blur(2px);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);}
.cta-band p{color:rgba(255,255,255,.9);margin-top:10px;max-width:560px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;}
.site-footer .footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px;}
.site-footer .footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--grad-main);display:grid;place-items:center;}
.site-footer .footer-brand .brand-mark svg{width:18px;height:18px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-links a:hover{color:var(--brand-3);transform:translateX(3px);}
.footer-contact{display:grid;gap:8px;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:18px;}
.subscribe{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 180px;min-height:44px;padding:12px 16px;border-radius:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe input::placeholder{color:rgba(255,255,255,.42);}
.subscribe input:focus{border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(255,90,31,.22);outline:none;}
.subscribe .btn-primary{padding:12px 22px;}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.record-slot{display:inline-block;min-width:60px;}

/* ---------- mobile drawer ---------- */
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;background:#fff;
  border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:.24s ease;}
.nav-toggle span::before,.nav-toggle span::after{content:'';position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.24s ease;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}
.nav-drawer{
  position:fixed;inset:0;z-index:80;background:var(--bg);
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:24px 20px 28px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-links{display:grid;gap:10px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:14px 18px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);font-weight:600;color:var(--ink);
}
.drawer-links a.is-active{border-color:var(--brand-1);color:var(--brand-1);}
.drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-cta .btn{width:100%;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-secondary{display:none;}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:44px 32px;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .page-hero{padding:52px 0 48px;min-height:260px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .rank-row{grid-template-columns:48px 1fr;gap:14px;padding:16px 18px;}
  .rank-val{grid-column:2;justify-self:start;}
  .hot-bar{width:100%;max-width:220px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 160px;}
}
@media (max-width:640px){
  .product-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .sec-title{font-size:24px;}
  body{font-size:16px;line-height:1.8;}
  .brand{font-size:16px;}
  .filter-note{margin-left:0;width:100%;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:28px;}
  .cta-band{padding:34px 22px;}
  .btn{padding:12px 20px;font-size:14.5px;}
}

/* roulang page: article */
:root{
  --brand-1:#FF5A1F;
  --brand-2:#FF2E7E;
  --brand-3:#C6F53C;
  --ink:#0F1A17;
  --ink-2:#3A4A44;
  --muted:#6B7A74;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --line:#E7E1D8;
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,26,23,.06), 0 8px 24px rgba(15,26,23,.06);
  --shadow-2:0 18px 44px rgba(255,90,31,.18);
  --grad:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  --grad-line:linear-gradient(90deg,var(--brand-1),var(--brand-3));
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:'HarmonyOS Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.28;margin:0;}
p{margin:0;}
::selection{background:rgba(255,90,31,.18);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-sm{padding:11px 20px;font-size:14.5px;}
.btn-block{width:100%;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(255,90,31,.22);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);background:linear-gradient(120deg,#FF6B33,#FF4690);}
.btn-outline{background:var(--surface);border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;}
.btn:active{transform:translateY(0) scale(.99);}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px;
  box-shadow:0 6px 14px rgba(255,90,31,.28);
}
.brand-mark svg{width:19px;height:19px;}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:8px 2px;transition:color .2s ease;
}
.nav-link::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad-line);transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-boxed{
  padding:10px 18px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--surface);gap:8px;font-weight:600;color:var(--ink);
}
.nav-link.is-boxed::after{display:none;}
.nav-link.is-boxed:hover{border-color:var(--brand-1);color:var(--brand-1);box-shadow:0 8px 18px rgba(255,90,31,.12);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  background:var(--surface);border:1px solid var(--line);color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.menu-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}
.mobile-drawer{position:fixed;inset:0;z-index:90;background:var(--bg);padding:16px 20px 24px;display:flex;flex-direction:column;overflow-y:auto;}
.mobile-drawer[hidden]{display:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;min-height:56px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:16px 4px;border-bottom:1px solid var(--line);
  font-size:17px;font-weight:600;color:var(--ink);
}
.drawer-link span.arrow{color:var(--brand-1);}
.drawer-cta{margin-top:auto;padding-top:26px;display:flex;flex-direction:column;gap:12px;}
.drawer-cta .btn{width:100%;}

/* ---------- 面包屑与文章头 ---------- */
.article-banner{
  position:relative;overflow:hidden;
  padding:34px 0 56px;
  background:linear-gradient(120deg,#FFF1E8 0%,#FFE8F1 52%,#FBF9EA 100%);
}
.article-banner::after{
  content:'';position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,90,31,.28),rgba(255,46,126,0) 68%);
  pointer-events:none;
}
.article-banner::before{
  content:'';position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(176deg,rgba(255,255,255,0) 60%,rgba(255,255,255,.55) 100%);
  pointer-events:none;
}
.breadcrumb{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .crumb-current{color:var(--ink);font-weight:600;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.crumb-sep{color:#BFB6A9;}
.article-head{position:relative;z-index:2;max-width:860px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;line-height:1;
  padding:7px 15px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);color:var(--brand-1);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.pill:hover{border-color:var(--brand-1);}
.article-title{
  font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.2;
  margin:18px 0 16px;letter-spacing:-.02em;
}
.article-lead{font-size:17px;color:var(--ink-2);max-width:760px;margin-bottom:22px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13.5px;color:var(--muted);}
.meta-row .meta-dot{width:5px;height:5px;border-radius:50%;background:#C9C1B4;}
.article-cover{
  position:relative;z-index:2;margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;
  background:#EFE9E0;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;}

/* ---------- 正文与侧栏 ---------- */
.article-wrap{padding:48px 0 8px;}
.article-body{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:start;}
.article-main{min-width:0;}
.article-side{display:flex;flex-direction:column;gap:20px;}

.toc-inline{margin-bottom:26px;}
.toc-details{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  padding:4px 18px;box-shadow:var(--shadow-1);
}
.toc-details summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  font-size:15.5px;font-weight:600;color:var(--ink);padding:14px 0;min-height:48px;
}
.toc-details summary::-webkit-details-marker{display:none;}
.toc-details summary::after{content:'+';font-size:18px;color:var(--brand-1);line-height:1;}
.toc-details[open] summary::after{content:'−';}
.toc-details .toc-list{padding:2px 0 16px;}

.sidebar-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-1);
}
.sidebar-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.sidebar-title::before{content:'';width:4px;height:16px;border-radius:4px;background:var(--grad);}
.toc-list{display:flex;flex-direction:column;gap:10px;}
.toc-link{
  font-size:14.5px;line-height:1.55;color:var(--ink-2);
  padding-left:12px;border-left:2px solid var(--line);
  transition:color .2s ease,border-color .2s ease,padding-left .2s ease;
}
.toc-link:hover{color:var(--brand-1);border-color:var(--brand-1);padding-left:16px;}
.hot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;}
.hot-item{display:flex;gap:10px;font-size:14.5px;line-height:1.6;}
.hot-num{
  flex:0 0 22px;height:22px;border-radius:8px;background:#FFF1E8;color:var(--brand-1);
  font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.hot-item a:hover{color:var(--brand-1);}
.side-cta{background:linear-gradient(140deg,#141F1B,#0F1A17);border-color:rgba(255,255,255,.08);}
.side-cta .sidebar-title{color:#fff;}
.side-cta .sidebar-title::before{background:var(--grad-line);}
.side-cta-text{font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:16px;line-height:1.75;}
.side-cta .btn-primary{box-shadow:0 12px 26px rgba(255,90,31,.32);}

/* ---------- 中文正文排版 ---------- */
.prose-cn{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:800px;}
.prose-cn > *{max-width:100%;}
.prose-cn p{margin:0 0 1.3em;}
.prose-cn h2{
  position:relative;font-size:clamp(22px,2.6vw,30px);margin:44px 0 18px;padding-left:16px;
  scroll-margin-top:96px;
}
.prose-cn h2::before{
  content:'';position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:var(--grad);
}
.prose-cn h3{font-size:20px;font-weight:700;color:var(--ink);margin:30px 0 12px;}
.prose-cn h4{font-size:17.5px;font-weight:700;color:var(--ink);margin:24px 0 10px;}
.prose-cn ul,.prose-cn ol{margin:0 0 1.3em;padding-left:1.4em;}
.prose-cn li{margin-bottom:.5em;}
.prose-cn ul li::marker{color:var(--brand-1);}
.prose-cn ol li::marker{color:var(--brand-1);font-weight:700;}
.prose-cn strong{color:var(--ink);font-weight:700;}
.prose-cn a{color:var(--brand-1);border-bottom:1px solid rgba(255,90,31,.35);}
.prose-cn a:hover{border-bottom-color:var(--brand-1);}
.prose-cn img{border-radius:var(--r-md);margin:26px auto;height:auto;background:#EFE9E0;}
.prose-cn blockquote{
  margin:26px 0;padding:18px 22px;border-radius:var(--r-sm);
  background:#FFF6EF;border-left:4px solid var(--brand-1);color:var(--ink);
}
.prose-cn blockquote p:last-child{margin-bottom:0;}
.prose-cn hr{border:none;height:1px;background:var(--grad-line);margin:34px 0;opacity:.6;}
.prose-cn table{
  width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;
  display:block;overflow-x:auto;white-space:normal;
}
.prose-cn th,.prose-cn td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.prose-cn thead th{background:#FBF6EF;color:var(--ink);font-weight:600;}
.prose-cn tbody tr:nth-child(even){background:#FCFAF6;}
.prose-cn figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:-14px;margin-bottom:22px;}
.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state h2{font-size:24px;margin-bottom:12px;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* ---------- 标签与返回 ---------- */
.article-foot{margin-top:40px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;justify-content:space-between;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  font-size:14px;font-weight:500;padding:7px 15px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}

/* ---------- 相关推荐 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
.section-eyebrow{font-size:13.5px;font-weight:600;color:var(--brand-1);letter-spacing:.08em;margin-bottom:10px;}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:800;}
.section-desc{color:var(--muted);font-size:15.5px;max-width:620px;margin-top:10px;}
.card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.5);}
.card-media{background:#EFE9E0;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-tag{
  align-self:flex-start;font-size:13px;font-weight:600;color:var(--brand-1);
  background:#FFF2EA;border-radius:var(--r-pill);padding:5px 12px;
}
.card-title{font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);}
.card-excerpt{font-size:14.8px;color:var(--muted);line-height:1.75;}
.card-meta{margin-top:auto;font-size:13px;color:var(--muted);}
.card:hover .card-title{color:var(--brand-1);}

/* ---------- 渐变 CTA 大卡 ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad);padding:52px 40px;color:#fff;box-shadow:0 24px 60px rgba(255,46,126,.22);
}
.cta-card::after{
  content:'';position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(198,245,60,.35),rgba(198,245,60,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-title{font-size:clamp(24px,3vw,32px);color:#fff;margin-bottom:12px;}
.cta-text{color:rgba(255,255,255,.88);max-width:560px;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C6D0CC;padding:64px 0 0;margin-top:72px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-name{color:#fff;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.68);}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:14.5px;}
.footer-links a{color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--brand-3);}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.subscribe{display:flex;flex-wrap:wrap;gap:10px;}
.subscribe input{
  flex:1 1 180px;min-width:0;padding:13px 15px;border-radius:14px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:14.5px;
}
.subscribe input::placeholder{color:rgba(255,255,255,.45);}
.subscribe input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(255,90,31,.28);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:22px 0 30px;font-size:13.5px;color:rgba(255,255,255,.5);
}
.record-slot{display:inline-block;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .header-actions .btn-outline{display:none;}
  .menu-toggle{display:inline-flex;}
  .article-side{order:2;}
  .cta-card{padding:40px 26px;}
}
@media (min-width:1024px){
  .menu-toggle{display:none;}
  .mobile-drawer{display:none;}
  .article-body{grid-template-columns:minmax(0,1fr) 300px;gap:48px;}
  .article-side{position:sticky;top:96px;}
  .toc-inline{display:none;}
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:52px 0;}
  .article-banner{padding:26px 0 42px;}
  .article-wrap{padding:34px 0 0;}
  .article-lead{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .header-actions .btn-primary{display:none;}
  .article-title{font-size:28px;}
  .section-head{margin-bottom:24px;}
  .card-body{padding:18px;}
}

/* roulang page: category2 */
:root{
    --brand-1:#FF5A1F;
    --brand-2:#FF2E7E;
    --brand-3:#C6F53C;
    --ink:#0F1A17;
    --ink-2:#3A4A44;
    --muted:#6B7A74;
    --bg:#FAF7F2;
    --surface:#FFFFFF;
    --line:#E7E1D8;
    --r-sm:12px;
    --r-md:20px;
    --r-lg:28px;
    --r-pill:999px;
    --shadow-1:0 1px 2px rgba(15,26,23,.06), 0 8px 24px rgba(15,26,23,.06);
    --shadow-2:0 18px 44px rgba(255,90,31,.18);
    --grad-main:linear-gradient(120deg,var(--brand-1),var(--brand-2));
    --grad-line:linear-gradient(90deg,var(--brand-1),var(--brand-3));
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink-2);
    font-family:'HarmonyOS Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
    font-size:17px;
    line-height:1.85;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

  section{position:relative;}
  .section{padding:84px 0;}
  .section-tight{padding:64px 0;}
  .section-ink{background:var(--ink);color:rgba(255,255,255,.78);}
  .section-ink h2,.section-ink h3{color:#fff;}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.08em;
    color:var(--brand-1);text-transform:uppercase;
    background:rgba(255,90,31,.08);
    border:1px solid rgba(255,90,31,.22);
    border-radius:var(--r-pill);
    padding:6px 14px;
  }
  .section-head{max-width:760px;margin-bottom:44px;}
  .section-head h2{font-size:clamp(24px,3vw,36px);margin:16px 0 14px;}
  .section-head p{font-size:16px;color:var(--muted);}
  .h2-bar{display:inline-block;width:56px;height:4px;border-radius:4px;background:var(--grad-main);}

  /* header */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(250,247,242,.94);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease,background .25s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-1);}
  .header-inner{display:flex;align-items:center;gap:24px;height:72px;}
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:32px;height:32px;border-radius:10px;
    background:var(--grad-main);
    display:grid;place-items:center;flex-shrink:0;
    box-shadow:0 6px 16px rgba(255,46,126,.28);
  }
  .brand-mark svg{width:18px;height:18px;}
  .brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}

  .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;gap:8px;
    font-size:15px;font-weight:500;color:var(--ink-2);
    padding:10px 14px;border-radius:var(--r-pill);
    transition:color .2s ease,border-color .2s ease,background .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
    background:var(--grad-line);border-radius:2px;
    transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--ink);font-weight:700;}
  .nav-link.is-active::after{transform:scaleX(1);}
  .nav-link.is-boxed{
    border:1px solid var(--line);background:#fff;padding:10px 18px;font-weight:600;
  }
  .nav-link.is-boxed::after{display:none;}
  .nav-link.is-boxed:hover{border-color:var(--brand-1);color:var(--brand-1);}
  .nav-link.is-boxed.is-active{border-color:var(--brand-1);color:var(--brand-1);background:rgba(255,90,31,.06);}

  .header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

  .nav-toggle{
    display:none;
    width:46px;height:46px;border-radius:14px;
    border:1px solid var(--line);background:#fff;
    align-items:center;justify-content:center;
    cursor:pointer;transition:border-color .2s ease,color .2s ease;
  }
  .nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}
  .nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
    transition:transform .24s ease;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-open .nav-toggle span{background:transparent;}
  .nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
  .nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

  /* buttons */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-pill);
    font-size:15px;font-weight:700;
    padding:14px 28px;
    border:1px solid transparent;
    cursor:pointer;
    min-height:44px;
    transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  }
  .btn-primary{
    background:var(--grad-main);color:#fff;
    box-shadow:0 10px 26px rgba(255,46,126,.24);
    background-size:180% 180%;
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);background-position:100% 0;}
  .btn-primary:active{transform:translateY(0);}
  .btn-secondary{
    background:#fff;color:var(--ink);border-color:var(--line);
  }
  .btn-secondary:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
  .btn-ghost{
    background:transparent;color:#fff;border-color:rgba(255,255,255,.5);
  }
  .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;
    font-size:15px;font-weight:700;color:var(--brand-1);
    padding:4px 0;border-radius:6px;
  }
  .btn-text .arrow{transition:transform .22s ease;}
  .btn-text:hover .arrow{transform:translateX(4px);}
  .btn:focus-visible,.nav-link:focus-visible,.nav-toggle:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand-1);outline-offset:2px;border-radius:var(--r-sm);
  }
  .btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

  /* banner */
  .page-banner{
    position:relative;overflow:hidden;
    background:var(--ink);color:rgba(255,255,255,.82);
    padding:56px 0 72px;
  }
  .page-banner::before{
    content:"";position:absolute;inset:0;
    background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    opacity:.2;
  }
  .page-banner::after{
    content:"";position:absolute;top:-220px;right:-140px;width:620px;height:620px;border-radius:50%;
    background:var(--grad-main);opacity:.24;filter:blur(6px);
  }
  .banner-inner{
    position:relative;z-index:1;
    display:grid;grid-template-columns:190px 1fr;gap:56px;align-items:start;
  }
  .banner-steps{
    display:flex;flex-direction:column;gap:16px;
    padding-left:20px;border-left:2px solid rgba(255,255,255,.2);
  }
  .step-chip{display:flex;align-items:baseline;gap:10px;font-size:14px;color:rgba(255,255,255,.72);}
  .step-chip b{
    font-size:19px;font-weight:800;color:var(--brand-3);letter-spacing:.02em;
  }
  .banner-copy .breadcrumb{margin-bottom:20px;}
  .breadcrumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
  .breadcrumb a{color:var(--muted);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--brand-1);}
  .breadcrumb .sep{color:var(--line);}
  .breadcrumb .current{color:var(--ink);}
  .page-banner .breadcrumb{color:rgba(255,255,255,.62);}
  .page-banner .breadcrumb a{color:rgba(255,255,255,.72);}
  .page-banner .breadcrumb a:hover{color:var(--brand-3);}
  .page-banner .breadcrumb .sep{color:rgba(255,255,255,.34);}
  .page-banner .breadcrumb .current{color:#fff;}
  .banner-copy h1{font-size:clamp(28px,4vw,46px);color:#fff;margin:0 0 18px;max-width:820px;}
  .banner-copy h1 .hl{
    background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .banner-copy p{max-width:660px;font-size:16px;color:rgba(255,255,255,.76);}
  .banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

  /* timeline */
  .timeline{
    display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;
  }
  .timeline::before{
    content:"";position:absolute;top:26px;left:5%;right:5%;height:2px;
    background:var(--grad-line);opacity:.45;
  }
  .tl-item{position:relative;}
  .tl-num{
    width:52px;height:52px;border-radius:50%;
    background:var(--grad-main);color:#fff;
    display:grid;place-items:center;font-size:17px;font-weight:800;
    box-shadow:0 0 0 8px rgba(198,245,60,.28);
    position:relative;z-index:1;
  }
  .tl-body{
    margin-top:24px;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--r-md);
    padding:24px;box-shadow:var(--shadow-1);
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
    height:calc(100% - 76px);
  }
  .tl-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.4);}
  .tl-body h3{font-size:20px;margin-bottom:10px;}
  .tl-body p{font-size:15px;color:var(--muted);}
  .tl-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
  .tl-list li{font-size:14px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start;}
  .tl-list li::before{
    content:"";width:6px;height:6px;border-radius:50%;
    background:var(--brand-1);margin-top:9px;flex-shrink:0;
  }

  /* matrix */
  .matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
  .m-card{
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-lg);padding:30px;
    box-shadow:var(--shadow-1);
    display:flex;flex-direction:column;gap:14px;
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .m-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.4);}
  .m-card.span-7{grid-column:span 7;}
  .m-card.span-5{grid-column:span 5;}
  .m-card.span-12{grid-column:span 12;}
  .m-card.dark{background:var(--ink);border-color:#1d2b26;}
  .m-card.dark h3{color:#fff;}
  .m-card.dark p{color:rgba(255,255,255,.7);}
  .m-icon{
    width:48px;height:48px;border-radius:14px;
    background:rgba(255,90,31,.1);color:var(--brand-1);
    display:grid;place-items:center;flex-shrink:0;
  }
  .m-card.dark .m-icon{background:rgba(198,245,60,.16);color:var(--brand-3);}
  .m-icon svg{width:24px;height:24px;}
  .m-card h3{font-size:21px;}
  .m-card p{font-size:15px;color:var(--muted);}
  .m-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px;}
  .tag{
    display:inline-flex;align-items:center;
    font-size:14px;padding:6px 14px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:#fff;color:var(--ink-2);
    transition:border-color .2s ease,color .2s ease;
  }
  .tag:hover{border-color:var(--brand-1);color:var(--brand-1);}
  .tag.lime{border-color:rgba(198,245,60,.6);background:rgba(198,245,60,.18);color:#4d6b00;}
  .tag.on-dark{border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:rgba(255,255,255,.85);}

  /* stats */
  .stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px;}
  .stat{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:20px 22px;box-shadow:var(--shadow-1);
  }
  .stat .num{font-size:32px;font-weight:800;color:var(--ink);line-height:1.1;}
  .stat .num em{font-style:normal;font-size:15px;font-weight:700;color:var(--brand-1);margin-left:4px;}
  .stat .desc{font-size:13px;color:var(--muted);margin-top:6px;}
  .stat.dark{background:var(--ink);border-color:#1d2b26;}
  .stat.dark .num{color:var(--brand-3);}
  .stat.dark .desc{color:rgba(255,255,255,.66);}

  /* cases */
  .case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
  .case-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    overflow:hidden;box-shadow:var(--shadow-1);
    display:flex;flex-direction:column;
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.4);}
  .case-card figure{margin:0;position:relative;aspect-ratio:16/9;background:#EFEAE2;overflow:hidden;}
  .case-card figure img{width:100%;height:100%;object-fit:cover;}
  .case-body{padding:26px;display:flex;flex-direction:column;gap:14px;flex:1;}
  .case-body h3{font-size:21px;}
  .case-body p{font-size:15px;color:var(--muted);}
  .case-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;}
  .badge{
    display:inline-flex;align-items:baseline;gap:6px;
    padding:8px 14px;border-radius:var(--r-pill);
    border:1px solid rgba(198,245,60,.75);background:rgba(198,245,60,.16);
    color:#41560a;font-size:13px;font-weight:600;
  }
  .badge b{font-size:17px;font-weight:800;}

  /* consult form */
  .consult-wrap{
    display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;
  }
  .consult-intro h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
  .consult-intro p{color:var(--muted);font-size:16px;}
  .consult-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
  .consult-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);}
  .consult-points .dot{
    width:24px;height:24px;border-radius:8px;background:rgba(255,90,31,.1);color:var(--brand-1);
    display:grid;place-items:center;flex-shrink:0;margin-top:4px;font-size:12px;font-weight:800;
  }
  .form-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:32px;box-shadow:var(--shadow-1);
  }
  .field{margin-bottom:20px;}
  .field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px;}
  .field .hint{font-size:12px;color:var(--muted);font-weight:400;margin-left:6px;}
  .field input,.field textarea{
    width:100%;padding:14px 16px;border-radius:14px;
    border:1px solid var(--line);background:#fff;color:var(--ink);
    font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field textarea{min-height:128px;resize:vertical;line-height:1.7;}
  .field input::placeholder,.field textarea::placeholder{color:#9AA8A2;}
  .field input:focus,.field textarea:focus{
    outline:none;border-color:var(--brand-1);
    box-shadow:0 0 0 3px rgba(255,90,31,.16);
  }
  .form-note{font-size:13px;color:var(--muted);margin-top:14px;display:flex;gap:8px;align-items:flex-start;}
  .form-note .warn{color:#C2410C;font-weight:700;}

  /* faq */
  .faq-list{display:flex;flex-direction:column;gap:16px;max-width:920px;}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{border-color:rgba(255,90,31,.4);background:rgba(255,90,31,.05);}
  .faq-item[open]{border-color:rgba(255,90,31,.45);box-shadow:var(--shadow-1);}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 26px;font-size:16px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .plus{
    width:26px;height:26px;border-radius:50%;flex-shrink:0;
    border:1px solid var(--line);display:grid;place-items:center;
    font-size:15px;font-weight:700;color:var(--brand-1);
    transition:transform .24s ease,background .24s ease,border-color .24s ease;
  }
  .faq-item[open] summary .plus{transform:rotate(45deg);background:rgba(255,90,31,.1);border-color:rgba(255,90,31,.4);}
  .faq-answer{
    padding:0 26px 24px;font-size:15px;color:var(--muted);
    border-top:1px solid var(--line);padding-top:18px;margin-top:2px;
  }

  /* cta */
  .cta-card{
    position:relative;overflow:hidden;
    background:var(--grad-main);
    border-radius:var(--r-lg);
    padding:52px 48px;
    color:#fff;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
    box-shadow:0 24px 60px rgba(255,46,126,.22);
  }
  .cta-card::after{
    content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
    background:rgba(255,255,255,.16);
  }
  .cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:12px;position:relative;z-index:1;}
  .cta-card p{color:rgba(255,255,255,.88);max-width:600px;position:relative;z-index:1;font-size:16px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
  .btn-white{background:#fff;color:var(--brand-1);}
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(15,26,23,.24);}

  /* footer */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 28px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;}
  .footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--grad-main);display:grid;place-items:center;}
  .footer-brand .brand-name{color:#fff;font-size:18px;font-weight:800;}
  .site-footer p{font-size:14px;color:rgba(255,255,255,.62);max-width:320px;}
  .footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;display:inline-block;}
  .footer-links a:hover{color:var(--brand-3);transform:translateX(3px);}
  .footer-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:18px;}
  .subscribe{display:flex;gap:10px;flex-wrap:wrap;}
  .subscribe input{
    flex:1 1 180px;min-height:44px;padding:12px 14px;border-radius:14px;
    border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-size:14px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .subscribe input::placeholder{color:rgba(255,255,255,.45);}
  .subscribe input:focus{outline:none;border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(198,245,60,.22);}
  .subscribe .btn{padding:12px 22px;font-size:14px;}
  .footer-bottom{
    margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.5);
  }
  .record-slot{display:inline-block;min-width:40px;}

  @media (max-width:1024px){
    .section{padding:64px 0;}
    .banner-inner{grid-template-columns:1fr;gap:32px;}
    .banner-steps{
      flex-direction:row;flex-wrap:wrap;gap:12px;padding-left:0;padding-top:16px;
      border-left:none;border-top:2px solid rgba(255,255,255,.2);
    }
    .step-chip b{font-size:16px;}
    .timeline{grid-template-columns:repeat(2,1fr);gap:24px;}
    .timeline::before{display:none;}
    .tl-body{height:auto;}
    .m-card.span-7,.m-card.span-5{grid-column:span 12;}
    .stats-row{grid-template-columns:repeat(2,1fr);}
    .case-grid{grid-template-columns:1fr;}
    .consult-wrap{grid-template-columns:1fr;gap:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}

    .nav-toggle{display:inline-flex;}
    .nav-links{
      position:fixed;left:0;right:0;top:60px;bottom:0;
      flex-direction:column;align-items:stretch;
      background:var(--bg);padding:20px 20px 120px;gap:4px;
      margin-left:0;overflow-y:auto;
      transform:translateY(-10px);opacity:0;pointer-events:none;
      transition:opacity .24s ease,transform .24s ease;
      border-top:1px solid var(--line);
    }
    .nav-links.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
    .nav-link{padding:16px 8px;font-size:17px;border-radius:0;border-bottom:1px solid var(--line);}
    .nav-link::after{display:none;}
    .nav-link.is-boxed{margin-top:14px;border-radius:var(--r-pill);justify-content:center;border-bottom:1px solid var(--line);}
    .header-inner{height:60px;gap:12px;}
    .header-actions .btn-secondary{display:none;}
    .header-actions .btn{padding:12px 18px;font-size:14px;}
    .brand-name{font-size:16px;}
  }

  @media (max-width:640px){
    body{font-size:16px;line-height:1.8;}
    .container{padding:0 16px;}
    .section{padding:48px 0;}
    .section-tight{padding:44px 0;}
    .timeline{grid-template-columns:1fr;}
    .stats-row{grid-template-columns:1fr 1fr;gap:12px;}
    .stat .num{font-size:26px;}
    .m-card{padding:24px;border-radius:var(--r-md);}
    .cta-card{padding:32px 24px;border-radius:var(--r-md);}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .form-card{padding:24px;border-radius:var(--r-md);}
    .footer-grid{grid-template-columns:1fr;}
    .banner-copy h1{font-size:26px;}
    .banner-actions .btn{width:100%;}
    .case-body{padding:22px;}
  }