/* roulang page: index */
:root{
  --ink-900:#0B0E12;
  --ink-800:#10151C;
  --ink-700:#161C25;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --text-1:#EEF2F6;
  --text-2:#9AA6B4;
  --text-3:#65707D;
  --brand:#F0452B;
  --brand-600:#D5361E;
  --accent:#C9F24B;
  --cool:#2FD4C4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 10px 30px rgba(0,0,0,.45);
  --shadow-brand:0 10px 28px rgba(240,69,43,.32);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--cool);text-decoration:none;transition:color 220ms var(--ease);}
a:hover{color:#7fe9e0;text-decoration:underline;text-underline-offset:3px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--text-1);}
p{margin:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.container{max-width:1240px;padding-left:20px;padding-right:20px;}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,8vw,104px) 0;position:relative;}
.section--alt{background:var(--ink-800);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(28px,4vw,48px);flex-wrap:wrap;}
.section-title{position:relative;padding-left:14px;font-size:clamp(1.4rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:2px;background:var(--brand);}
.section-desc{margin-top:10px;padding-left:14px;color:var(--text-2);font-size:14px;line-height:1.8;max-width:38em;}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--text-1);font-size:14px;font-weight:600;white-space:nowrap;}
.link-more .arrow{transition:transform 220ms var(--ease);}
.link-more:hover{color:var(--brand);text-decoration:none;}
.link-more:hover .arrow{transform:translateX(4px);}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--shadow-brand);}
.btn-brand:hover{background:var(--brand-600);color:#fff;text-decoration:none;box-shadow:0 12px 34px rgba(240,69,43,.42);transform:translateY(-1px);}
.btn-brand:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--text-1);border-color:var(--line);}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:var(--text-1);text-decoration:none;border-color:rgba(255,255,255,.24);}
.btn-ghost:active{transform:scale(.98);}
.btn-brand.w-100,.btn-ghost.w-100{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand);background:rgba(240,69,43,.10);border:1px solid rgba(240,69,43,.32);
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),backdrop-filter 220ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,14,18,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--brand),#8e2413);
  color:#fff;font-weight:800;font-size:16px;letter-spacing:-.02em;
  box-shadow:0 8px 20px rgba(240,69,43,.30);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:16px;font-weight:800;color:var(--text-1);letter-spacing:.02em;}
.brand-sub{font-size:11px;font-weight:600;color:var(--text-2);letter-spacing:.32em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav .nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;font-size:14.5px;font-weight:600;color:var(--text-2);
  border-radius:var(--r-pill);transition:color 220ms var(--ease),background 220ms var(--ease);
}
.main-nav .nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.06);text-decoration:none;}
.main-nav .nav-link.active{color:var(--text-1);}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-cta{height:42px;padding:0 20px;font-size:14px;}
.navbar-toggler{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;padding:0;
}
.navbar-toggler:focus{box-shadow:none;}
.navbar-toggler .bar{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);}

/* 移动端抽屉 */
.mobile-nav{background:var(--ink-900);border-left:1px solid var(--line);width:min(88vw,360px);color:var(--text-1);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line-2);padding:18px 20px;}
.mobile-nav .offcanvas-body{padding:16px 20px 24px;display:flex;flex-direction:column;}
.mobile-links{display:flex;flex-direction:column;}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;font-size:18px;font-weight:600;color:var(--text-1);
  border-bottom:1px solid var(--line-2);text-decoration:none;
}
.mobile-links a .tip{color:var(--text-3);font-size:14px;}
.mobile-links a.active{color:var(--brand);}
.mobile-nav .mobile-cta{margin-top:24px;}
.mobile-nav .mobile-meta{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.9;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  padding:clamp(80px,10vw,128px) 0 clamp(56px,7vw,88px);
  margin-top:-74px;padding-top:calc(74px + clamp(56px,7vw,88px));
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(1200px 600px at 80% -10%,rgba(240,69,43,.18),transparent 60%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 82%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 82%);
}
.hero .container{position:relative;z-index:2;}
.hero-eyebrow{margin-bottom:18px;}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.4rem);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;
  margin-bottom:16px;
}
.hero h1 .hl{color:var(--brand);}
.hero-sub{font-size:18px;font-weight:600;color:var(--text-1);margin-bottom:14px;}
.hero-lead{font-size:15px;line-height:1.95;color:var(--text-2);max-width:34em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  padding:18px 20px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  position:relative;overflow:hidden;
}
.hero-stats::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.hero-stats .stat{display:flex;flex-direction:column;gap:2px;}
.hero-stats .stat b{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--accent);line-height:1.2;}
.hero-stats .stat span{font-size:12px;color:var(--text-2);}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,14,18,.85) 0%,rgba(11,14,18,.25) 45%,rgba(11,14,18,0) 100%);
}
.hero-media-card{
  position:absolute;left:20px;bottom:20px;right:20px;z-index:2;
  padding:14px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hero-media-card strong{font-size:14px;font-weight:700;color:var(--text-1);}
.hero-media-card em{font-style:normal;font-size:12px;color:var(--text-2);}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(201,242,75,.16);}

/* ---------- 服务板块 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.service-card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  padding:26px;border-radius:var(--r-lg);
  background:var(--ink-700);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.service-card:hover{transform:translateY(-4px);border-color:rgba(240,69,43,.45);box-shadow:0 18px 40px rgba(0,0,0,.55);}
.service-card--wide{grid-column:span 2;flex-direction:row;align-items:center;gap:26px;}
.service-num{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--accent);}
.service-card h3{font-size:1.0625rem;font-weight:600;line-height:1.5;}
.service-card p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:34em;}
.service-card .link-more{margin-top:auto;font-size:13.5px;}
.service-thumb{
  flex:0 0 42%;border-radius:var(--r-md);overflow:hidden;
  aspect-ratio:16/10;border:1px solid var(--line-2);
}
.service-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.service-card:hover .service-thumb img{transform:scale(1.03);}

/* ---------- 数据条 ---------- */
.metrics{background:var(--ink-900);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.metric{padding:clamp(28px,4vw,44px) 24px;border-left:1px solid var(--line-2);}
.metric:first-child{border-left:0;padding-left:0;}
.metric b{
  display:block;font-size:clamp(2rem,3.4vw,2.8rem);font-weight:800;line-height:1.1;
  color:var(--text-1);font-variant-numeric:tabular-nums;
}
.metric b i{font-style:normal;font-size:12px;font-weight:600;color:var(--text-3);margin-left:4px;letter-spacing:.06em;}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-2);line-height:1.7;}

/* ---------- 案例 ---------- */
.case-item{
  display:block;position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--ink-700);
  box-shadow:var(--shadow-card);text-decoration:none;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.case-item:hover{transform:translateY(-4px);border-color:rgba(240,69,43,.45);text-decoration:none;}
.case-thumb{position:relative;aspect-ratio:21/9;overflow:hidden;}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--ease);}
.case-item:hover .case-thumb img{transform:scale(1.03);}
.case-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,18,0) 35%,rgba(11,14,18,.92) 100%);}
.case-body{position:relative;padding:0 24px 24px;margin-top:-46px;z-index:2;}
.case-body h3{margin:12px 0 8px;font-size:1.0625rem;font-weight:600;color:var(--text-1);line-height:1.5;}
.case-body p{font-size:14px;color:var(--text-2);line-height:1.8;}
.case-arrow{
  position:absolute;right:22px;bottom:22px;width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;border:1px solid var(--line);
  background:rgba(255,255,255,.06);color:var(--text-1);font-size:15px;
  transition:transform 220ms var(--ease),background 220ms var(--ease),color 220ms var(--ease);
}
.case-item:hover .case-arrow{transform:translate(4px,-4px);background:var(--brand);color:#fff;border-color:var(--brand);}

/* ---------- 资讯列表 ---------- */
.post-card{
  display:flex;flex-direction:column;gap:12px;height:100%;
  padding:24px;border-radius:var(--r-lg);
  background:var(--ink-700);border:1px solid var(--line);
  box-shadow:var(--shadow-card);text-decoration:none;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(240,69,43,.45);box-shadow:0 18px 40px rgba(0,0,0,.55);text-decoration:none;}
.post-card__title{
  font-size:1.0625rem;font-weight:600;line-height:1.55;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__desc{
  font-size:14px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2);
}
.post-card__time{font-size:13px;color:var(--text-2);}
.post-card__arrow{color:var(--text-3);transition:transform 220ms var(--ease),color 220ms var(--ease);}
.post-card:hover .post-card__arrow{transform:translateX(4px);color:var(--brand);}
.empty-state{
  min-height:180px;max-height:260px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--r-lg);
  background:var(--ink-800);padding:32px 20px;
}
.empty-state .empty-icon{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text-3);font-size:18px;font-weight:800;
}
.empty-state p{font-size:14px;color:var(--text-2);}

/* ---------- 方案条带 ---------- */
.plan-row{
  display:grid;grid-template-columns:120px 1fr;gap:clamp(20px,3vw,40px);
  padding:clamp(24px,3vw,34px) 0;border-top:1px solid var(--line-2);
}
.plan-row:last-child{border-bottom:1px solid var(--line-2);}
.plan-index{
  font-size:clamp(1.8rem,3vw,2.4rem);font-weight:800;line-height:1;
  color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.plan-content h3{font-size:1.125rem;font-weight:600;margin-bottom:10px;}
.plan-content p{font-size:15px;line-height:1.9;color:var(--text-2);max-width:38em;}
.plan-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- FAQ ---------- */
.faq-wrap{
  padding:8px 20px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.faq-item{border-bottom:1px solid var(--line-2);}
.faq-item:last-child{border-bottom:0;}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);cursor:pointer;
  transition:color 220ms var(--ease);
}
.faq-btn:hover{color:var(--brand);}
.faq-btn:focus{outline:none;}
.faq-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;
  transition:transform 260ms var(--ease),background 220ms var(--ease);
}
.faq-icon::before{left:0;right:0;top:7px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px;}
.faq-btn[aria-expanded="true"]{color:var(--brand);}
.faq-btn[aria-expanded="true"] .faq-icon::after{transform:rotate(90deg);}
.faq-btn[aria-expanded="true"] .faq-icon::before,
.faq-btn[aria-expanded="true"] .faq-icon::after{background:var(--brand);}
.faq-body{padding:0 4px 20px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:44em;}

/* ---------- 联系 / CTA ---------- */
.cta-section{
  position:relative;overflow:hidden;background:var(--ink-900);
  border-top:1px solid var(--line-2);
  padding:clamp(56px,8vw,96px) 0;
}
.cta-section::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(1000px 520px at 20% 110%,rgba(240,69,43,.16),transparent 62%);
}
.cta-section .container{position:relative;z-index:2;}
.cta-title{position:relative;padding-left:14px;font-size:clamp(1.4rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;margin-bottom:16px;}
.cta-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:2px;background:var(--brand);}
.cta-text{font-size:15px;line-height:1.95;color:var(--text-2);max-width:34em;margin-bottom:22px;}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);line-height:1.9;margin-bottom:10px;}
.cta-list li::before{content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:11px;}
.form-card{
  padding:clamp(22px,3vw,30px);border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.form-label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;font-weight:600;}
.form-control{
  height:48px;border-radius:var(--r-sm);
  background:var(--ink-800);border:1px solid var(--line);
  color:var(--text-1);font-size:15px;padding:0 14px;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
textarea.form-control{height:auto;min-height:100px;padding:12px 14px;resize:vertical;line-height:1.8;}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{
  background:var(--ink-800);color:var(--text-1);
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(240,69,43,.18);
  outline:none;
}
.form-tip{margin-top:14px;font-size:13px;color:var(--text-3);min-height:20px;transition:color 220ms var(--ease);}
.form-tip.is-on{color:var(--accent);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:clamp(44px,6vw,68px) 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand p{font-size:13.5px;line-height:1.9;color:var(--text-2);margin:14px 0 16px;max-width:26em;}
.footer-brand .contact-line{font-size:13px;color:var(--text-2);line-height:1.9;}
.footer-brand .contact-line b{color:var(--text-1);font-weight:600;}
.footer-title{font-size:13px;font-weight:700;color:var(--text-1);letter-spacing:.08em;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:13.5px;color:var(--text-2);transition:color 220ms var(--ease);}
.footer-links a:hover{color:var(--brand);text-decoration:none;}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.9;}
.footer-bottom{
  margin-top:clamp(32px,4vw,48px);padding:20px 0;
  border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-grid .footer-col--compliance{grid-column:span 3;}
}
@media (max-width:991.98px){
  .hero{margin-top:-74px;padding-top:calc(74px + 44px);}
  .hero-media{margin-top:36px;}
  .service-card--wide{grid-column:span 2;flex-direction:column;align-items:stretch;gap:18px;}
  .service-thumb{flex:none;width:100%;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(odd){border-left:0;padding-left:0;}
  .metric:nth-child(-n+2){border-bottom:1px solid var(--line-2);}
  .plan-row{grid-template-columns:80px 1fr;}
}
@media (max-width:767.98px){
  .section-head{align-items:flex-start;}
  .hero-stats{grid-template-columns:repeat(3,1fr);}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-grid .footer-col--compliance{grid-column:span 2;}
  .case-body{padding:0 18px 20px;margin-top:-38px;}
  .case-arrow{right:16px;bottom:16px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-main{font-size:15px;}
  .brand-sub{font-size:10px;letter-spacing:.26em;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .service-grid{grid-template-columns:1fr;}
  .service-card--wide{grid-column:span 1;}
  .metrics-grid{grid-template-columns:1fr;}
  .metric{border-left:0;padding-left:0;border-bottom:1px solid var(--line-2);}
  .metric:last-child{border-bottom:0;}
  .plan-row{grid-template-columns:1fr;gap:12px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-grid .footer-col--compliance{grid-column:span 1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-stats{grid-template-columns:1fr;gap:12px;}
  .hero-stats .stat{flex-direction:row;align-items:baseline;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --ink-900:#0B0E12;
  --ink-800:#10151C;
  --ink-700:#161C25;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --text-1:#EEF2F6;
  --text-2:#9AA6B4;
  --text-3:#65707D;
  --brand:#F0452B;
  --brand-600:#D5361E;
  --accent:#C9F24B;
  --cool:#2FD4C4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 10px 30px rgba(0,0,0,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::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","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--text-1);
  background:var(--ink-900);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--text-1);font-weight:700}
p{margin:0 0 1.2em}
a{color:var(--cool);text-decoration:none;text-underline-offset:3px;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease)}
a:hover{color:var(--cool);text-decoration:underline}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
::selection{background:rgba(240,69,43,.35);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(11,14,18,.62);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{background:rgba(11,14,18,.92);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text-1);text-decoration:none;flex:0 0 auto}
.brand:hover{text-decoration:none;color:var(--text-1)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;color:#fff;
  background:linear-gradient(150deg,var(--brand),#8f2418);
  box-shadow:0 10px 24px rgba(240,69,43,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.02em}
.brand-sub{font-size:11px;letter-spacing:.42em;color:var(--text-2);margin-top:3px}
.main-nav{flex:1 1 auto;justify-content:center;gap:4px}
.main-nav .nav-link{
  position:relative;
  padding:10px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.main-nav .nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.main-nav .nav-link.active{color:var(--text-1);font-weight:700}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:18px;height:2px;border-radius:2px;background:var(--brand);
  transform:translateX(-50%);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:background .22s var(--ease),border-color .22s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.09);border-color:rgba(240,69,43,.45)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  text-decoration:none;white-space:nowrap;cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 28px rgba(240,69,43,.32)}
.btn-primary:hover{background:var(--brand-600);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 14px 34px rgba(240,69,43,.42)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:var(--text-1);text-decoration:none;border-color:rgba(255,255,255,.22)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text-1);text-decoration:none}
.link-arrow .arw{transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--brand);text-decoration:none}
.link-arrow:hover .arw{transform:translateX(4px)}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  padding:clamp(36px,5vw,56px) 0 clamp(40px,6vw,64px);
  border-bottom:1px solid var(--line-2);
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(240,69,43,.18), transparent 60%),
    linear-gradient(180deg, rgba(11,14,18,.82), rgba(11,14,18,.97)),
    url('/assets/images/backpic/back-2.webp');
  background-size:auto,auto,cover;
  background-position:center,center,center;
  background-repeat:no-repeat;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--text-1);text-decoration:none}
.crumbs .sep{color:var(--text-3);opacity:.7}
.crumbs .current{color:var(--text-2);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(240,69,43,.4);
  background:rgba(240,69,43,.08);
  color:#FF8A73;font-size:12px;font-weight:600;letter-spacing:.04em;
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(201,242,75,.18)}
.article-title{
  font-size:clamp(1.75rem,4.2vw,3rem);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.22;
  max-width:22em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:26px;font-size:13px;color:var(--text-2);
}
.badge-cat{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(240,69,43,.4);
  background:rgba(240,69,43,.08);
  color:#FF8A73;font-size:12px;font-weight:600;
}
.badge-plain{
  display:inline-flex;align-items:center;gap:6px;
  padding-left:12px;border-left:1px solid var(--line);
  color:var(--text-2);font-size:13px;
}
.article-meta time{color:var(--text-2);font-variant-numeric:tabular-nums}
.meta-back{margin-left:auto}

/* ---------- article body ---------- */
.article-section{padding:clamp(44px,7vw,84px) 0 clamp(40px,6vw,72px)}
.article-body{
  width:100%;
  max-width:46em;
  margin:0 auto;
  font-size:16px;
  line-height:1.9;
  color:#DCE3EA;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;
  padding-left:14px;
  margin:2.2em 0 .9em;
  font-size:clamp(1.4rem,2.6vw,2.05rem);
  font-weight:700;
  line-height:1.35;
  color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;
  width:3px;border-radius:3px;background:var(--brand);
}
.article-body h3{margin:1.8em 0 .7em;font-size:1.125rem;font-weight:600;line-height:1.5}
.article-body h4{margin:1.5em 0 .6em;font-size:1rem;font-weight:600}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.2em}
.article-body li{margin:.4em 0}
.article-body li::marker{color:var(--accent)}
.article-body a{color:var(--cool);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent)}
.article-body strong{color:#fff;font-weight:600}
.article-body img{border-radius:var(--r-md);margin:1.6em 0 .8em;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;line-height:1.8}
.article-body blockquote{
  margin:1.8em 0;
  padding:20px 24px;
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th{
  background:var(--ink-700);text-align:left;padding:12px 14px;
  border-bottom:1px solid var(--line);font-weight:600;color:var(--text-1);
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-2);color:var(--text-2)}
.article-body code{background:var(--ink-700);padding:2px 6px;border-radius:6px;font-size:.9em;color:var(--accent)}
.article-body hr{border:none;border-top:1px solid var(--line-2);margin:2em 0}

.empty-state{
  max-width:46em;margin:0 auto;text-align:center;
  padding:56px 24px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
}
.empty-state h2{font-size:1.25rem;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:14px;margin-bottom:22px}

.article-foot{
  max-width:46em;margin:clamp(32px,5vw,48px) auto 0;
  padding-top:28px;border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
}

/* ---------- related ---------- */
.related{border-top:1px solid var(--line-2);padding:clamp(44px,6vw,72px) 0}
.bar-title{
  position:relative;padding-left:14px;
  font-size:clamp(1.4rem,2.6vw,2.05rem);font-weight:700;line-height:1.35;
}
.bar-title::before{
  content:"";position:absolute;left:0;top:.34em;bottom:.34em;
  width:3px;border-radius:3px;background:var(--brand);
}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-desc{color:var(--text-2);font-size:14px;margin:10px 0 0;max-width:38em}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card-x{
  display:flex;flex-direction:column;gap:12px;
  padding:24px;
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  color:inherit;text-decoration:none;height:100%;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card-x:hover{transform:translateY(-4px);border-color:rgba(240,69,43,.45);box-shadow:0 22px 44px rgba(0,0,0,.55);text-decoration:none;color:inherit}
.card-x h3{
  font-size:1.0625rem;font-weight:600;line-height:1.5;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-x .card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px}
.card-x time{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums}

/* ---------- CTA band ---------- */
.cta-band{
  padding:clamp(44px,6vw,76px) 0;
  border-top:1px solid var(--line-2);
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(240,69,43,.18), transparent 60%),
    linear-gradient(0deg, rgba(16,21,28,1), rgba(16,21,28,1));
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:32px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.cta-inner h2{font-size:clamp(1.25rem,2.2vw,1.6rem);line-height:1.4}
.cta-inner p{margin:8px 0 0;color:var(--text-2);font-size:14px;max-width:40em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:clamp(44px,7vw,72px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:32px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.8;margin:16px 0;max-width:30em}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.04em;margin:0 0 14px;color:var(--text-1)}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-links a{color:var(--text-2);font-size:14px}
.footer-links a:hover{color:var(--text-1);text-decoration:none}
.footer-note{color:var(--text-3);font-size:13px;line-height:1.8;margin:0}
.contact-line{font-size:13px;color:var(--text-2);line-height:1.9}
.contact-line b{color:var(--text-1);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:40px;padding:20px 0;
  border-top:1px solid var(--line-2);
  font-size:13px;color:var(--text-3);
}

/* ---------- drawer ---------- */
.drawer-backdrop{
  position:fixed;inset:0;z-index:1070;
  background:rgba(0,0,0,.62);
  opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:1080;
  width:min(84vw,340px);
  padding:24px;
  display:flex;flex-direction:column;gap:4px;
  background:var(--ink-900);
  border-left:1px solid var(--line);
  transform:translateX(105%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text-1);font-size:18px;line-height:1;cursor:pointer;
}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;padding:0 4px;
  color:var(--text-1);font-size:18px;font-weight:600;
  border-bottom:1px solid var(--line-2);
}
.drawer-link:hover{color:var(--brand);text-decoration:none}
.drawer-link.active{color:var(--brand)}
.drawer-foot{margin-top:20px;display:grid;gap:12px}
.drawer-foot .btn{width:100%}
.drawer-note{font-size:12px;color:var(--text-3);line-height:1.8;margin-top:10px}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-col--compliance{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-title{max-width:none}
  .crumbs .current{max-width:48vw}
}
@media (max-width:767.98px){
  .header-inner{min-height:66px;gap:12px}
  .brand-mark{width:36px;height:36px;border-radius:10px;font-size:16px}
  .brand-main{font-size:15px}
  .brand-sub{font-size:10px;letter-spacing:.3em}
  .article-meta{gap:10px;font-size:12px}
  .meta-back{margin-left:0;width:100%}
  .cta-inner{padding:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .rec-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .footer-col--compliance{grid-column:auto}
  .article-body{font-size:15.5px}
  .article-foot .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B0E12;
  --ink-800:#10151C;
  --ink-700:#161C25;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --text-1:#EEF2F6;
  --text-2:#9AA6B4;
  --text-3:#65707D;
  --brand:#F0452B;
  --brand-600:#D5361E;
  --accent:#C9F24B;
  --cool:#2FD4C4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 10px 30px rgba(0,0,0,.45);
  --shadow-brand:0 10px 28px rgba(240,69,43,.32);
  --ease:220ms cubic-bezier(.22,.61,.36,1);
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--cool);text-decoration:none;transition:color var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text-1)}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:2000;border-radius:0 0 var(--r-sm) 0}
.skip-link:focus{left:0}

/* ---------- 顶栏 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,14,18,.86);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);flex:0 0 auto}
.brand:hover{text-decoration:none;color:var(--text-1)}
.brand-mark{
  width:38px;height:38px;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),#8f2415);
  color:#fff;font-weight:800;font-size:1.05rem;
  box-shadow:0 6px 18px rgba(240,69,43,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-weight:800;font-size:1rem;letter-spacing:.02em}
.brand-sub{font-size:.72rem;letter-spacing:.3em;color:var(--text-2);margin-top:2px}
.main-nav{margin-left:auto;gap:4px}
.main-nav .nav-link{
  color:var(--text-2);font-size:.94rem;font-weight:500;
  padding:9px 12px;position:relative;transition:color var(--ease);
}
.main-nav .nav-link:hover{color:var(--text-1)}
.main-nav .nav-link.active{color:var(--text-1)}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:18px;height:2px;background:var(--brand);border-radius:2px;
}
.header-actions{margin-left:26px;display:flex;align-items:center;gap:12px}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--r-sm);background:rgba(255,255,255,.04);
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  cursor:pointer;transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:rgba(240,69,43,.5);background:rgba(255,255,255,.08)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:var(--r-pill);border:1px solid transparent;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);min-height:48px;padding:0 26px;font-size:.95rem;line-height:1.2}
.btn:hover{text-decoration:none}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--shadow-brand)}
.btn-brand:hover{background:var(--brand-600);color:#fff;box-shadow:0 14px 34px rgba(240,69,43,.42)}
.btn-brand:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--text-1);border-color:var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:var(--text-1);border-color:rgba(255,255,255,.22)}
.btn-sm{min-height:42px;padding:0 20px;font-size:.9rem}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--text-1);font-weight:600;font-size:.92rem}
.link-arrow span{transition:transform var(--ease)}
.link-arrow:hover{color:var(--brand);text-decoration:none}
.link-arrow:hover span{transform:translateX(4px)}
.badge-brand{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(240,69,43,.5);background:rgba(240,69,43,.08);
  color:var(--brand);font-size:.75rem;font-weight:600;letter-spacing:.04em;
}
.badge-soft{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:var(--text-2);font-size:.72rem;letter-spacing:.04em;
}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--text-3);margin-bottom:18px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand);text-decoration:none}
.crumb span[aria-hidden]{color:var(--text-3)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:calc(74px + clamp(46px,6vw,78px)) 0 clamp(46px,6vw,78px);
  border-bottom:1px solid var(--line-2);
  background-image:linear-gradient(rgba(11,14,18,.92),rgba(11,14,18,.96)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(1200px 600px at 80% -10%,rgba(240,69,43,.18),transparent 60%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.6;
  mask-image:radial-gradient(circle at 30% 20%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 30% 20%,#000 0%,transparent 78%);
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,52px);align-items:center}
.hero-copy h1{
  font-size:clamp(2rem,4.6vw,3.4rem);font-weight:800;letter-spacing:-.02em;line-height:1.2;
  margin:16px 0 18px;
}
.hero-copy .lead{color:var(--text-2);font-size:1.02rem;max-width:34em;margin-bottom:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.hero-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(11,14,18,.72);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  font-size:.76rem;color:var(--text-2);letter-spacing:.04em;
}
.stat-bar{
  display:flex;flex-wrap:wrap;margin-top:34px;overflow:hidden;position:relative;
  background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
}
.stat-bar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.stat{flex:1 1 140px;padding:16px 18px;border-right:1px solid var(--line-2)}
.stat:last-child{border-right:0}
.stat b{
  display:block;font-size:1.45rem;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat span{font-size:.78rem;color:var(--text-2)}

/* ---------- 板块 ---------- */
.section{padding:clamp(56px,8vw,104px) 0;border-bottom:1px solid var(--line-2)}
.section--alt{background:var(--ink-800)}
.section-head{max-width:44em;margin-bottom:clamp(28px,4vw,44px)}
.section-head p{color:var(--text-2);font-size:.98rem;margin:12px 0 0}
.section-title{
  position:relative;padding-left:14px;
  font-size:clamp(1.4rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  background:var(--brand);border-radius:2px;
}

/* ---------- 登录前准备 ---------- */
.prep-list{display:grid;gap:14px}
.prep-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  padding:20px 22px;background:var(--ink-700);border:1px solid var(--line);
  border-radius:var(--r-md);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.prep-item:hover{transform:translateY(-4px);border-color:rgba(240,69,43,.45);box-shadow:var(--shadow-card)}
.prep-num{
  font-size:1.35rem;font-weight:800;color:var(--accent);line-height:1.25;
  font-variant-numeric:tabular-nums;
}
.prep-item h3{font-size:1.0625rem;font-weight:600;margin-bottom:4px}
.prep-item p{color:var(--text-2);font-size:.93rem;margin:0;max-width:40em}

/* ---------- 步骤时间线 ---------- */
.flow-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,4vw,52px);align-items:start}
.flow-steps{position:relative;padding-left:34px}
.flow-steps::before{
  content:"";position:absolute;left:11px;top:10px;bottom:10px;width:1px;background:var(--line);
}
.flow-step{position:relative;padding-bottom:32px}
.flow-step:last-child{padding-bottom:0}
.flow-step::before{
  content:"";position:absolute;left:-29px;top:16px;width:11px;height:11px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px rgba(240,69,43,.16);
}
.step-num{
  font-size:clamp(1.6rem,3vw,2.1rem);font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1;
}
.flow-step h3{font-size:1.125rem;font-weight:600;margin:10px 0 6px}
.flow-step p{color:var(--text-2);font-size:.94rem;margin:0;max-width:34em}
.flow-step .step-tip{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:.78rem;color:var(--text-3);
}
.flow-step .step-tip::before{content:"";width:14px;height:1px;background:var(--text-3)}
.flow-aside{position:sticky;top:100px;display:grid;gap:18px}
.flow-aside img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--line);
}
.glass-card{
  position:relative;overflow:hidden;padding:22px 24px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
}
.glass-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.glass-card h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px}
.glass-card p{color:var(--text-2);font-size:.9rem;margin:0}
.ticket{border-style:solid}
.ticket::after{
  content:"";position:absolute;left:22px;right:22px;bottom:64px;height:0;
  border-top:1px dashed rgba(255,255,255,.14);
}
.ticket .ticket-foot{
  margin-top:22px;padding-top:14px;display:flex;justify-content:space-between;
  font-size:.76rem;color:var(--text-3);letter-spacing:.04em;
}

/* ---------- 异常处理 ---------- */
.issue-list{border-top:1px solid var(--line-2)}
.issue-row{
  display:grid;grid-template-columns:240px 1fr;gap:24px;
  padding:22px 0;border-bottom:1px solid var(--line-2);
  transition:background var(--ease);
}
.issue-row:hover{background:rgba(255,255,255,.02)}
.issue-row h3{font-size:1.0625rem;font-weight:600}
.issue-row .issue-tag{display:block;font-size:.76rem;color:var(--text-3);margin-top:6px;letter-spacing:.04em}
.issue-row p{color:var(--text-2);font-size:.94rem;margin:0}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,4vw,48px);align-items:start}
.faq-layout .faq-intro p{color:var(--text-2);font-size:.96rem;margin:14px 0 22px}
.faq-accordion .accordion-item{
  position:relative;overflow:hidden;margin-bottom:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color var(--ease),background var(--ease);
}
.faq-accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);opacity:0;transition:opacity var(--ease);
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(240,69,43,.5);background:rgba(255,255,255,.08)}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text-1);font-size:1rem;font-weight:600;
  padding:18px 22px;box-shadow:none;border-radius:var(--r-md);
}
.faq-accordion .accordion-button:not(.collapsed){background:transparent;color:var(--text-1);box-shadow:none}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;outline:none}
.faq-accordion .accordion-button::after{
  background-image:none;content:"+";color:var(--brand);
  font-size:1.35rem;font-weight:400;line-height:1;
  width:auto;height:auto;display:flex;align-items:center;justify-content:center;
  transform:none;transition:transform var(--ease);margin-left:16px;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-accordion .accordion-body{
  padding:0 22px 20px;color:var(--text-2);font-size:.94rem;line-height:1.85;
}

/* ---------- CTA 表单 ---------- */
.cta-band{
  position:relative;overflow:hidden;padding:clamp(56px,8vw,96px) 0;
  background:var(--ink-800);border-bottom:1px solid var(--line-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 460px at 12% 110%,rgba(240,69,43,.16),transparent 62%);
}
.cta-band .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(28px,4vw,52px);align-items:start}
.cta-points{margin-top:22px;display:grid;gap:12px}
.cta-points li{position:relative;padding-left:22px;color:var(--text-2);font-size:.94rem}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.75em;width:9px;height:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px rgba(201,242,75,.12);
}
.cta-form{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(22px,3vw,30px);box-shadow:var(--shadow-card);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:.82rem;color:var(--text-2);margin-bottom:7px;letter-spacing:.03em}
.form-control{
  width:100%;min-height:48px;padding:12px 14px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text-1);font-size:.95rem;line-height:1.6;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.form-control::placeholder{color:var(--text-3)}
.form-control:hover{border-color:rgba(255,255,255,.2)}
.form-control:focus{
  background:var(--ink-800);color:var(--text-1);outline:none;
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,69,43,.18);
}
textarea.form-control{min-height:110px;resize:vertical}
.form-note{font-size:.82rem;color:var(--text-3);margin:12px 0 0}
.form-success{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid rgba(201,242,75,.35);background:rgba(201,242,75,.08);
  color:var(--accent);font-size:.86rem;
}
.form-success.is-visible{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:clamp(44px,6vw,72px) 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(24px,3vw,44px)}
.footer-brand p{color:var(--text-2);font-size:.9rem;margin:16px 0 14px;max-width:32em}
.contact-line{font-size:.84rem;color:var(--text-3);line-height:2}
.contact-line b{color:var(--text-2);font-weight:600}
.footer-title{font-size:.95rem;font-weight:700;margin-bottom:14px;color:var(--text-1)}
.footer-links{display:grid;gap:10px}
.footer-links a{color:var(--text-2);font-size:.9rem}
.footer-links a:hover{color:var(--brand);text-decoration:none}
.footer-note{color:var(--text-3);font-size:.84rem;line-height:1.9;margin:0}
.footer-bottom{
  margin-top:clamp(28px,4vw,44px);padding-top:20px;border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.8rem;color:var(--text-3);
}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{background:var(--ink-900);color:var(--text-1);border-left:1px solid var(--line);width:min(340px,86vw)}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line-2);padding:18px 20px}
.mobile-drawer .offcanvas-body{padding:18px 20px 28px;display:flex;flex-direction:column}
.drawer-close{
  width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text-1);font-size:1.35rem;line-height:1;
  display:grid;place-items:center;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.1)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;padding:0 4px;font-size:1.05rem;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line-2);
}
.drawer-link::after{content:"›";color:var(--text-3);font-size:1.15rem}
.drawer-link:hover{color:var(--text-1);text-decoration:none}
.drawer-link.active{color:var(--brand)}
.drawer-link.active::after{color:var(--brand)}
.drawer-cta{margin-top:22px}
.drawer-note{margin-top:16px;font-size:.8rem;color:var(--text-3)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-col--compliance{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr}
  .hero-media{order:-1}
  .flow-grid{grid-template-columns:1fr}
  .flow-aside{position:static}
  .faq-layout{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .stat{margin-bottom:0}
}
@media (max-width:767.98px){
  .issue-row{grid-template-columns:1fr;gap:8px}
  .form-row{grid-template-columns:1fr}
  .stat{flex:1 1 100%;border-right:0;border-bottom:1px solid var(--line-2)}
  .stat:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .header-inner{height:66px}
  .hero-copy h1{margin-top:14px}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .hero-actions .btn{width:100%}
  .cta-form{padding:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .prep-item{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --ink-900:#0B0E12;
  --ink-800:#10151C;
  --ink-700:#161C25;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --text-1:#EEF2F6;
  --text-2:#9AA6B4;
  --text-3:#65707D;
  --brand:#F0452B;
  --brand-600:#D5361E;
  --accent:#C9F24B;
  --cool:#2FD4C4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 10px 30px rgba(0,0,0,.45);
  --shadow-btn:0 10px 28px rgba(240,69,43,.32);
  --ease:cubic-bezier(.22,.61,.36,1);
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--cool);text-decoration:none;transition:color 220ms var(--ease),text-decoration-color 220ms var(--ease)}
a:hover{color:#7ff0e6;text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:var(--wrap);margin-inline:auto;padding-left:20px;padding-right:20px}
@media (min-width:1200px){.container,.container-lg,.container-xl{max-width:var(--wrap)}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px}}
.prose{max-width:38em}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(11,14,18,.55);
  -webkit-backdrop-filter:blur(10px) saturate(130%);
  backdrop-filter:blur(10px) saturate(130%);
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,14,18,.86);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(0,0,0,.35);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--text-1)}
.brand:hover{color:var(--text-1);text-decoration:none}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#8c2010);
  color:#fff;font-weight:800;font-size:18px;line-height:1;
  box-shadow:0 8px 20px rgba(240,69,43,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-main{font-size:16px;font-weight:800;letter-spacing:.02em}
.brand-sub{font-size:11px;letter-spacing:.32em;color:var(--text-2);margin-top:2px}
.main-nav{gap:2px}
.main-nav .nav-link{
  position:relative;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  padding:9px 14px;
  border-radius:var(--r-pill);
  transition:color 220ms var(--ease),background 220ms var(--ease);
}
.main-nav .nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.main-nav .nav-link.active{color:var(--text-1);font-weight:600}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border:0;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;
  font-size:15px;font-weight:600;line-height:1;
  text-decoration:none;
  box-shadow:var(--shadow-btn);
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.btn-brand:hover{background:var(--brand-600);color:#fff;text-decoration:none;box-shadow:0 14px 34px rgba(240,69,43,.42)}
.btn-brand:active{transform:scale(.98)}
.btn-brand--sm{height:42px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:transparent;color:var(--text-1);
  font-size:15px;font-weight:500;line-height:1;
  text-decoration:none;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:var(--text-1);text-decoration:none}
.btn-ghost:active{transform:scale(.98)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--cool);font-size:15px;font-weight:500}
.link-arrow .ar{transition:transform 220ms var(--ease)}
.link-arrow:hover{text-decoration:none;color:#7ff0e6}
.link-arrow:hover .ar{transform:translateX(4px)}
.nav-toggle{
  width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1)}
.mobile-nav{background:var(--ink-900);color:var(--text-1);border-left:1px solid var(--line);width:min(360px,88vw)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line-2);padding:18px 20px}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.7}
.mobile-nav .btn-close:hover{opacity:1}
.mobile-nav .offcanvas-body{padding:16px 20px 28px;display:flex;flex-direction:column;gap:6px}
.m-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 4px;
  color:var(--text-1);font-size:18px;font-weight:600;
  border-bottom:1px solid var(--line-2);
}
.m-link:hover{color:var(--brand);text-decoration:none}
.m-link.active{color:var(--brand)}
.m-link .m-ar{color:var(--text-3);font-size:16px}
.m-foot{margin-top:20px;font-size:13px;line-height:1.8;color:var(--text-2)}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  padding:clamp(30px,4vw,52px) 0 clamp(48px,7vw,88px);
  background:var(--ink-900);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:radial-gradient(1200px 600px at 80% -10%, rgba(240,69,43,.18), transparent 60%),var(--ink-900);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.75;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(180deg,#000 10%,transparent 88%);
  mask-image:linear-gradient(180deg,#000 10%,transparent 88%);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--text-1);text-decoration:none}
.crumbs .sep{color:var(--text-3)}
.crumbs .cur{color:var(--text-1)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.4rem);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text-2);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);
}
.visual-chip{
  position:absolute;left:18px;bottom:18px;
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-1);
  background:rgba(11,14,18,.72);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(201,242,75,.18)}
.glass{
  position:relative;overflow:hidden;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
}
.glass::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:clamp(32px,5vw,52px);
  padding:20px 6px;
}
.stat{padding:4px 22px;border-left:1px solid var(--line-2)}
.stat:first-child{border-left:0;padding-left:14px}
.stat b{display:block;font-size:clamp(1.6rem,2.6vw,2rem);font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.stat b em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-2);margin-left:4px}
.stat span{display:block;font-size:12px;color:var(--text-2);margin-top:6px;letter-spacing:.02em}

/* ---------- 板块通用 ---------- */
.section{padding:clamp(56px,8vw,104px) 0;border-top:1px solid var(--line-2)}
.section--alt{background:var(--ink-800)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:clamp(24px,3.4vw,40px)}
.sec-title{
  position:relative;padding-left:14px;
  font-size:clamp(1.4rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:2px;background:var(--brand);
}
.sec-desc{font-size:15px;color:var(--text-2);max-width:44em;margin-top:12px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand);background:rgba(240,69,43,.10);border:1px solid rgba(240,69,43,.38);
}
.tag--accent{color:var(--accent);background:rgba(201,242,75,.08);border-color:rgba(201,242,75,.34)}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-2)}
.meta-line .divider{width:1px;height:12px;background:var(--line)}

/* ---------- Bento ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
  grid-template-areas:
    "big big big big big big big big s1 s1 s1 s1"
    "big big big big big big big big s2 s2 s2 s2"
    "wide wide wide wide wide wide wide wide wide wide wide wide";
}
.bento-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(240,69,43,.45);box-shadow:var(--shadow-card)}
.bento-big{grid-area:big;min-height:420px;justify-content:flex-end}
.bento-big > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.bento-big:hover > img{transform:scale(1.03)}
.bento-big::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,14,18,.10) 20%,rgba(11,14,18,.86) 100%);
}
.bento-big .overlay{
  position:relative;z-index:2;
  margin:20px;padding:20px;
  border-radius:var(--r-md);
  background:rgba(11,14,18,.72);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
}
.bento-big .overlay h3{font-size:1.125rem;font-weight:600;margin:10px 0 8px}
.bento-big .overlay p{font-size:14px;line-height:1.8;color:var(--text-2)}
.bento-sm{grid-area:s1}
.bento-sm2{grid-area:s2}
.bento-sm img,.bento-sm2 img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 420ms var(--ease)}
.bento-sm:hover img,.bento-sm2:hover img{transform:scale(1.03)}
.bento-sm .body,.bento-sm2 .body{padding:18px 20px 20px}
.bento-sm h3,.bento-sm2 h3{font-size:1.0625rem;font-weight:600;line-height:1.5;margin-bottom:8px}
.bento-sm p,.bento-sm2 p{font-size:14px;line-height:1.8;color:var(--text-2)}
.bento-wide{
  grid-area:wide;
  flex-direction:row;align-items:stretch;
  background:linear-gradient(90deg,rgba(240,69,43,.14),rgba(22,28,37,.9) 42%);
}
.bento-wide img{width:220px;height:100%;min-height:170px;object-fit:cover;flex:0 0 220px}
.bento-wide .body{padding:22px 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;flex:1 1 auto}
.bento-wide h3{font-size:1.0625rem;font-weight:600;margin-bottom:6px}
.bento-wide p{font-size:14px;color:var(--text-2);max-width:40em}

/* ---------- 赛程时间轴 ---------- */
.timeline{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.tl-item{
  display:grid;grid-template-columns:132px 1fr;gap:22px;
  padding:20px 24px;
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:border-color 220ms var(--ease),transform 220ms var(--ease),background 220ms var(--ease);
}
.tl-item:hover{border-color:rgba(240,69,43,.45);transform:translateY(-3px)}
.tl-time{border-right:1px dashed var(--line);padding-right:16px}
.tl-time b{
  display:block;font-size:1.6rem;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;color:var(--accent);
}
.tl-time span{display:block;font-size:13px;color:var(--text-2);margin-top:4px}
.tl-body h3{font-size:1.0625rem;font-weight:600;margin-bottom:6px}
.tl-body p{font-size:14px;line-height:1.8;color:var(--text-2);margin-bottom:10px}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--text-2)}
.tl-meta i{font-style:normal;color:var(--text-3);margin-right:5px}

/* ---------- 入场步骤 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-item{
  position:relative;
  padding:24px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:border-color 220ms var(--ease),transform 220ms var(--ease);
}
.flow-item:hover{border-color:rgba(240,69,43,.45);transform:translateY(-3px)}
.flow-item .num{
  display:block;font-size:1.7rem;font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;color:var(--accent);margin-bottom:14px;
}
.flow-item h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px}
.flow-item p{font-size:14px;line-height:1.8;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{
  --bs-accordion-bg:transparent;
  --bs-accordion-color:var(--text-1);
  --bs-accordion-border-width:0;
  --bs-accordion-border-color:var(--line);
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:var(--text-1);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-inner-border-radius:var(--r-md);
}
.faq .accordion-item{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  margin-bottom:12px;
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color 220ms var(--ease);
}
.faq .accordion-item:hover{border-color:rgba(240,69,43,.35)}
.faq .accordion-button{
  display:flex;align-items:center;gap:12px;
  background:transparent;color:var(--text-1);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:16px 18px;
  border-left:3px solid transparent;
  box-shadow:none;
}
.faq .accordion-button:focus{box-shadow:none;border-color:var(--line)}
.faq .accordion-button:not(.collapsed){
  color:var(--text-1);
  border-left-color:var(--brand);
  background:rgba(255,255,255,.03);
}
.faq .accordion-button::after{display:none}
.faq .accordion-button::before{
  content:"+";order:2;margin-left:auto;
  width:22px;height:22px;flex:0 0 22px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--text-2);font-size:14px;font-weight:700;line-height:1;
  transition:transform 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.faq .accordion-button:not(.collapsed)::before{content:"−";color:var(--brand);border-color:rgba(240,69,43,.5)}
.faq .accordion-body{
  padding:0 20px 18px;
  color:var(--text-2);font-size:15px;line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--ink-900);
  padding:clamp(56px,7vw,88px) 0;
  border-top:1px solid var(--line-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:radial-gradient(1000px 500px at 15% 120%, rgba(240,69,43,.20), transparent 62%),var(--ink-900);
}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,56px);align-items:start}
.cta-grid h2{
  position:relative;padding-left:14px;
  font-size:clamp(1.4rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;margin-bottom:14px;
}
.cta-grid h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:2px;background:var(--brand)}
.cta-grid .lead{color:var(--text-2);font-size:15px;line-height:1.85;max-width:30em}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2)}
.cta-points li{display:flex;gap:10px;align-items:flex-start}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px;flex:0 0 6px}
.form-card{padding:26px;border-radius:var(--r-lg);background:rgba(255,255,255,.06);border:1px solid var(--line);-webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px}
.form-control,.form-select{
  height:48px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--text-1);
  font-size:15px;
  padding:0 14px;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
textarea.form-control{height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus,.form-select:focus{
  background:var(--ink-800);color:var(--text-1);
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(240,69,43,.18);
  outline:none;
}
.form-hint{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:clamp(44px,6vw,72px) 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:clamp(24px,3.4vw,48px)}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:32em}
.contact-line{margin-top:16px;font-size:13px;line-height:1.9;color:var(--text-2)}
.contact-line b{color:var(--text-1);font-weight:600}
.footer-title{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:14px;letter-spacing:.04em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--text-1);text-decoration:none}
.footer-note{font-size:13px;line-height:1.85;color:var(--text-2)}
.footer-bottom{
  margin-top:clamp(28px,4vw,44px);padding-top:20px;
  border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .bento{grid-template-columns:repeat(6,1fr);grid-template-areas:
    "big big big big big big"
    "s1 s1 s1 s2 s2 s2"
    "wide wide wide wide wide wide";}
  .bento-big{min-height:380px}
  .flow{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-sub{max-width:none}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .stat:nth-child(3){border-left:0;padding-left:14px}
  .bento-wide{flex-direction:column}
  .bento-wide img{width:100%;flex:0 0 auto;height:180px}
}
@media (max-width:767.98px){
  .header-inner{height:68px}
  .bento{grid-template-columns:1fr;grid-template-areas:"big" "s1" "s2" "wide"}
  .tl-item{grid-template-columns:1fr;gap:14px}
  .tl-time{border-right:0;border-bottom:1px dashed var(--line);padding-right:0;padding-bottom:10px;display:flex;align-items:baseline;gap:12px}
  .tl-time b{font-size:1.35rem}
  .tl-time span{margin-top:0}
  .form-row{grid-template-columns:1fr}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
}
@media (max-width:575.98px){
  .flow{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stat{padding:4px 14px}
  .bento-big{min-height:320px}
  .bento-big .overlay{margin:14px;padding:16px}
  .form-card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  .bento-card:hover,.tl-item:hover,.flow-item:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --ink-900:#0B0E12;
  --ink-800:#10151C;
  --ink-700:#161C25;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --text-1:#EEF2F6;
  --text-2:#9AA6B4;
  --text-3:#65707D;
  --brand:#F0452B;
  --brand-600:#D5361E;
  --accent:#C9F24B;
  --cool:#2FD4C4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 10px 30px rgba(0,0,0,.45);
  --shadow-btn:0 10px 28px rgba(240,69,43,.32);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease)}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em}
button{font-family:inherit}
::selection{background:rgba(240,69,43,.35);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.container{
  width:100%;
  max-width:1240px;
  margin-inline:auto;
  padding-inline:20px;
}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background 260ms var(--ease),backdrop-filter 260ms var(--ease),border-color 260ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,14,18,.86);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  flex-shrink:0;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--brand);
  color:#fff;
  font-size:17px;
  font-weight:800;
  line-height:1;
  box-shadow:0 6px 18px rgba(240,69,43,.28);
}
.brand-text{display:block}
.brand-main{
  display:block;
  font-size:16px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:.02em;
  color:var(--text-1);
}
.brand-sub{
  display:block;
  font-size:11px;
  line-height:1.3;
  letter-spacing:.32em;
  color:var(--text-2);
}
.main-nav{gap:4px}
.main-nav .nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-pill);
  transition:color 220ms var(--ease),background 220ms var(--ease);
}
.main-nav .nav-link:hover{color:var(--text-1)}
.main-nav .nav-link.active{color:var(--text-1)}
.main-nav .nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  width:44px;height:44px;
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  padding:0;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(255,255,255,.04);
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1)}
.nav-toggle:hover{background:rgba(255,255,255,.09)}

/* mobile drawer */
.mobile-drawer{
  --bs-offcanvas-width:min(86vw,340px);
  background:var(--ink-900);
  color:var(--text-1);
  border-left:1px solid var(--line);
}
.mobile-drawer .offcanvas-header{
  border-bottom:1px solid var(--line-2);
  padding:18px 20px;
}
.mobile-drawer .btn-close{
  filter:invert(1) grayscale(1);
  opacity:.68;
  width:32px;height:32px;
  background-size:14px;
}
.mobile-drawer .btn-close:hover{opacity:1}
.mobile-drawer .offcanvas-body{padding:12px 12px 20px}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  padding:0 14px;
  font-size:18px;
  font-weight:600;
  color:var(--text-2);
  border-radius:12px;
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.drawer-link::after{content:"→";font-size:15px;color:var(--text-3)}
.drawer-link:hover{background:rgba(255,255,255,.06);color:var(--text-1)}
.drawer-link.active{color:var(--text-1);background:rgba(240,69,43,.12)}
.drawer-link.active::after{color:var(--brand)}
.drawer-foot{
  padding:16px 20px 24px;
  border-top:1px solid var(--line-2);
  margin-top:12px;
}
.drawer-foot .drawer-tip{
  font-size:13px;
  line-height:1.7;
  color:var(--text-3);
  margin:12px 0 0;
}

/* ============ buttons ============ */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
}
.btn-x:active{transform:scale(.98)}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:var(--shadow-btn)}
.btn-primary-x:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:0 14px 32px rgba(240,69,43,.38)}
.btn-ghost-x{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost-x:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:var(--text-1)}
.btn-sm-x{height:40px;padding:0 18px;font-size:14px}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--cool);
}
.link-arrow span{transition:transform 220ms var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ============ section base ============ */
.section{
  position:relative;
  padding-block:clamp(56px,8vw,104px);
  border-top:1px solid var(--line-2);
}
.section--alt{background:var(--ink-800)}
.sec-head{margin-bottom:clamp(28px,4vw,44px)}
.sec-title{
  font-size:clamp(1.4rem,2.6vw,2.1rem);
  line-height:1.3;
  font-weight:700;
  border-left:3px solid var(--brand);
  padding-left:14px;
}
.sec-sub{
  margin-top:12px;
  max-width:38em;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(240,69,43,.38);
  background:rgba(240,69,43,.10);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
}
.tag--cool{color:var(--cool);border-color:rgba(47,212,196,.4);background:rgba(47,212,196,.08)}

/* ============ hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding-top:clamp(40px,6vw,72px);
  padding-bottom:clamp(44px,6vw,80px);
  background:radial-gradient(1200px 600px at 80% -10%,rgba(240,69,43,.18),transparent 60%),var(--ink-900);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb-nav{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb-nav a{color:var(--text-2)}
.breadcrumb-nav a:hover{color:var(--text-1)}
.breadcrumb-nav .sep{color:var(--text-3)}
.breadcrumb-nav [aria-current]{color:var(--text-1);font-weight:600}
h1.page-title{
  margin:16px 0 0;
  font-size:clamp(2rem,4.6vw,3.4rem);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-0.02em;
}
.page-lead{
  margin-top:18px;
  max-width:38em;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-figure{
  position:relative;
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/10;
  background:var(--ink-800);
}
.hero-figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 600ms var(--ease);
}
.hero-figure:hover img{transform:scale(1.03)}
.hero-figure figcaption{
  position:absolute;
  left:14px;bottom:14px;
  padding:6px 14px;
  font-size:12px;
  color:var(--text-1);
  background:rgba(11,14,18,.62);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.glass-bar{
  margin-top:clamp(32px,4vw,48px);
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
  padding:20px 8px;
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
}
.glass-bar .fact{
  padding:0 20px;
  border-left:1px solid var(--line-2);
}
.glass-bar .fact:first-child{border-left:none}
.fact-num{
  font-size:clamp(1.4rem,2.4vw,2rem);
  font-weight:800;
  color:var(--text-1);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.fact-num i{font-style:normal;font-size:12px;color:var(--text-3);margin-left:4px;font-weight:500}
.fact-label{display:block;font-size:12px;color:var(--text-2);letter-spacing:.04em;margin-top:2px}

/* ============ benefit table ============ */
.table-shell{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--ink-700);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.table-scroll{overflow-x:auto}
.benefit-table{
  width:100%;
  min-width:620px;
  border-collapse:collapse;
  font-size:15px;
}
.benefit-table thead th{
  padding:16px 16px;
  background:var(--ink-800);
  border-bottom:1px solid var(--line);
  color:var(--text-2);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  text-align:center;
  white-space:nowrap;
}
.benefit-table thead th:first-child{text-align:left;color:var(--text-1);font-size:14px}
.benefit-table tbody td{
  padding:16px;
  border-bottom:1px solid var(--line-2);
  text-align:center;
  color:var(--text-2);
  vertical-align:middle;
}
.benefit-table tbody td:first-child{
  text-align:left;
  color:var(--text-1);
  font-weight:500;
  white-space:nowrap;
}
.benefit-table tbody tr{transition:background 220ms var(--ease)}
.benefit-table tbody tr:hover{background:rgba(255,255,255,.035)}
.benefit-table tbody tr:last-child td{border-bottom:none}
.mark-yes{color:var(--brand);font-weight:800;font-size:16px;line-height:1}
.mark-no{color:var(--text-3);font-size:16px;line-height:1}
.table-note{
  margin-top:14px;
  font-size:13px;
  color:var(--text-3);
  line-height:1.75;
}

/* ============ sticky card ============ */
.sticky-card{
  position:sticky;
  top:100px;
  padding:26px;
  border-radius:var(--r-lg);
  background:var(--ink-700);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.sticky-card h3{
  font-size:1.0625rem;
  font-weight:600;
  margin-bottom:6px;
}
.sticky-card .sc-sub{
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
}
.tier-list li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px solid var(--line-2);
}
.tier-list li:last-child{border-bottom:none;padding-bottom:0}
.tier-dot{
  flex-shrink:0;
  width:8px;height:8px;
  margin-top:9px;
  border-radius:50%;
  background:var(--brand);
}
.tier-list .tier-name{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text-1);
}
.tier-list .tier-desc{
  display:block;
  font-size:13px;
  line-height:1.75;
  color:var(--text-2);
}
.sticky-card .link-arrow{margin-top:20px}
.sticky-card .sc-hr{
  height:1px;
  background:var(--line-2);
  margin:18px 0;
}
.sc-tip{
  font-size:12px;
  line-height:1.75;
  color:var(--text-3);
}

/* ============ steps ============ */
.steps{
  position:relative;
  padding-left:76px;
  max-width:640px;
}
.steps::before{
  content:"";
  position:absolute;
  left:34px;
  top:12px;
  bottom:12px;
  width:1px;
  background:var(--line);
}
.step{
  position:relative;
  padding-bottom:32px;
}
.step:last-child{padding-bottom:0}
.step::after{
  content:"";
  position:absolute;
  left:-42px;
  top:13px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(240,69,43,.16);
}
.step-num{
  position:absolute;
  left:-76px;
  top:0;
  width:66px;
  text-align:right;
  font-size:1.5rem;
  font-weight:800;
  line-height:1.4;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.step h3{
  font-size:1.0625rem;
  font-weight:600;
  margin-bottom:6px;
}
.step p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  margin:0;
  max-width:34em;
}
.step-meta{
  display:inline-block;
  margin-top:10px;
  font-size:12px;
  color:var(--text-3);
  border-left:1px solid var(--line);
  padding-left:10px;
}

/* ============ stats ============ */
.stats-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
}
.stat{
  padding-left:24px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:none;padding-left:0}
.stat-num{
  font-size:clamp(2rem,3.4vw,2.8rem);
  font-weight:800;
  line-height:1.1;
  color:var(--text-1);
  font-variant-numeric:tabular-nums;
}
.stat-num i{font-style:normal;font-size:12px;font-weight:500;color:var(--text-3);margin-left:4px}
.stat-label{margin-top:8px;font-size:13px;color:var(--text-2)}

/* ============ scene ============ */
.scene{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(24px,4vw,48px);
  align-items:center;
}
.scene + .scene{margin-top:clamp(36px,5vw,64px)}
.scene-figure{
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink-800);
  aspect-ratio:16/10;
}
.scene-figure img{width:100%;height:100%;object-fit:cover;transition:transform 520ms var(--ease)}
.scene-figure:hover img{transform:scale(1.03)}
.scene h3{
  font-size:1.125rem;
  font-weight:600;
  margin-bottom:10px;
}
.scene p{
  font-size:15px;
  color:var(--text-2);
  max-width:34em;
}
.check-list{margin-top:16px}
.check-list li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.9;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--accent);
}
.scene--reverse .scene-media{order:2}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:20px}
.accordion-item{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line) !important;
  border-radius:var(--r-md) !important;
  margin-bottom:12px;
  overflow:hidden;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(240,69,43,.55) !important;
  background:rgba(240,69,43,.06);
}
.accordion-button{
  position:relative;
  background:transparent !important;
  color:var(--text-1) !important;
  font-size:16px;
  font-weight:600;
  line-height:1.7;
  padding:18px 56px 18px 20px !important;
  box-shadow:none !important;
  border-radius:var(--r-md) !important;
}
.accordion-button:focus{box-shadow:none !important;outline:none}
.accordion-button::before{
  content:"";
  position:absolute;
  right:22px;
  top:calc(50% - 1px);
  width:14px;height:2px;
  border-radius:2px;
  background:var(--text-2);
  transition:background 220ms var(--ease);
}
.accordion-button::after{
  content:"";
  position:absolute !important;
  right:27.5px;
  top:calc(50% - 7px);
  width:2px;height:14px;
  margin:0 !important;
  background-image:none !important;
  background:var(--text-2);
  border-radius:2px;
  transform:rotate(0deg);
  transition:transform 220ms var(--ease),opacity 220ms var(--ease),background 220ms var(--ease);
}
.accordion-button:not(.collapsed){color:var(--text-1) !important}
.accordion-button:not(.collapsed)::before{background:var(--brand)}
.accordion-button:not(.collapsed)::after{opacity:0;transform:rotate(90deg)}
.accordion-body{
  padding:0 20px 20px 20px !important;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  border-left:3px solid var(--brand);
  margin-left:0;
}
.accordion-body p{margin:0}
.faq-aside{
  padding:24px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--ink-700);
  box-shadow:var(--shadow-card);
}
.faq-aside h3{font-size:1rem;margin-bottom:10px;font-weight:600}
.faq-aside p{font-size:14px;line-height:1.85;color:var(--text-2)}

/* ============ CTA band ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:radial-gradient(900px 420px at 12% 0%,rgba(240,69,43,.20),transparent 62%),var(--ink-800);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  padding-block:clamp(36px,5vw,56px);
}
.cta-inner h2{
  font-size:clamp(1.4rem,2.6vw,2rem);
  line-height:1.3;
}
.cta-inner p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:34em;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ footer ============ */
.site-footer{
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding-top:clamp(44px,6vw,72px);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:clamp(24px,3.4vw,44px);
  padding-bottom:clamp(32px,4vw,48px);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:30em;
}
.contact-line{
  margin-top:16px;
  font-size:13px;
  line-height:1.9;
  color:var(--text-3);
}
.contact-line b{color:var(--text-2);font-weight:600}
.footer-title{
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--text-1);
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{
  font-size:14px;
  color:var(--text-2);
}
.footer-links a:hover{color:var(--text-1);text-decoration:underline;text-underline-offset:3px}
.footer-note{
  font-size:13px;
  line-height:1.85;
  color:var(--text-3);
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  padding-block:22px;
  border-top:1px solid var(--line-2);
  font-size:13px;
  color:var(--text-3);
}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .sticky-card{position:static}
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-row{grid-template-columns:1fr 1fr;gap:28px 8px}
  .stat:nth-child(odd){border-left:none;padding-left:0}
  .scene{grid-template-columns:1fr}
  .scene--reverse .scene-media{order:0}
  .page-lead{font-size:16px}
}
@media (max-width:767.98px){
  .glass-bar{grid-template-columns:1fr;gap:16px;padding:20px}
  .glass-bar .fact{border-left:none;padding:0}
  .glass-bar .fact + .fact{border-top:1px solid var(--line-2);padding-top:16px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .btn-x{width:100%}
  .header-actions .btn-x{width:auto}
  .steps{padding-left:64px}
  .steps::before{left:26px}
  .step-num{left:-64px;width:54px;font-size:1.25rem}
  .step::after{left:-40px}
}
@media (max-width:575.98px){
  .container{padding-inline:16px}
  .footer-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr}
  .stat{border-left:none;padding-left:0;padding-bottom:18px;border-bottom:1px solid var(--line-2)}
  .stat:last-child{border-bottom:none;padding-bottom:0}
  .hero-actions{gap:10px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category4 */
:root{
    --ink-900:#0B0E12;
    --ink-800:#10151C;
    --ink-700:#161C25;
    --line:rgba(255,255,255,.10);
    --line-2:rgba(255,255,255,.06);
    --text-1:#EEF2F6;
    --text-2:#9AA6B4;
    --text-3:#65707D;
    --brand:#F0452B;
    --brand-600:#D5361E;
    --accent:#C9F24B;
    --cool:#2FD4C4;
    --r-sm:10px;
    --r-md:14px;
    --r-lg:20px;
    --r-pill:999px;
    --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 10px 30px rgba(0,0,0,.45);
    --shadow-brand:0 10px 28px rgba(240,69,43,.32);
    --ease:cubic-bezier(.22,.61,.36,1);
    --t:220ms var(--ease);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--ink-900);
    color:var(--text-1);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.9;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:var(--cool);text-decoration:none;transition:color var(--t);}
  a:hover{color:var(--text-1);}
  p{margin:0 0 1em;}
  ul{margin:0;padding:0;}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
  .container{max-width:1240px;padding-left:20px;padding-right:20px;}
  @media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}

  /* ============ HEADER ============ */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:1030;
    border-bottom:1px solid transparent;
    transition:background var(--t),border-color var(--t),backdrop-filter var(--t);
  }
  .site-header.scrolled{
    background:rgba(11,14,18,.86);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border-bottom-color:var(--line);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
  .brand{display:inline-flex;align-items:center;gap:12px;color:var(--text-1);text-decoration:none;}
  .brand:hover{color:var(--text-1);}
  .brand-mark{
    width:38px;height:38px;flex:0 0 38px;border-radius:11px;
    background:linear-gradient(150deg,var(--brand),var(--brand-600));
    color:#fff;font-weight:800;font-size:19px;
    display:grid;place-items:center;
    box-shadow:0 8px 20px rgba(240,69,43,.28);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-main{font-size:16px;font-weight:800;letter-spacing:.02em;}
  .brand-sub{font-size:11px;font-weight:600;color:var(--text-2);letter-spacing:.34em;margin-top:2px;}
  .main-nav{gap:2px;margin:0 auto;}
  .main-nav .nav-link{
    position:relative;
    color:var(--text-2);
    font-size:15px;
    font-weight:500;
    padding:8px 14px;
    line-height:1.4;
    transition:color var(--t);
  }
  .main-nav .nav-link::after{
    content:"";position:absolute;left:50%;bottom:0;
    width:18px;height:2px;border-radius:2px;background:var(--brand);
    transform:translateX(-50%) scaleX(0);
    transition:transform var(--t);
  }
  .main-nav .nav-link:hover{color:var(--text-1);}
  .main-nav .nav-link.active{color:var(--text-1);font-weight:600;}
  .main-nav .nav-link.active::after{transform:translateX(-50%) scaleX(1);}
  .header-right{display:flex;align-items:center;gap:12px;}
  .nav-toggle{
    width:44px;height:44px;border-radius:12px;
    background:rgba(255,255,255,.06);
    border:1px solid var(--line);
    color:var(--text-1);
    display:inline-grid;place-items:center;font-size:17px;
    transition:background var(--t),border-color var(--t);
  }
  .nav-toggle:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24);}

  /* ============ BUTTONS ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;
    border-radius:var(--r-pill);
    border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1;
    letter-spacing:.01em;
    text-decoration:none;cursor:pointer;
    transition:transform var(--t),background var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
  }
  .btn:focus,.btn:focus-visible{box-shadow:0 0 0 3px rgba(240,69,43,.24);outline:none;}
  .btn-brand{background:var(--brand);color:#fff;box-shadow:var(--shadow-brand);}
  .btn-brand:hover{background:var(--brand-600);color:#fff;box-shadow:0 14px 34px rgba(240,69,43,.42);transform:translateY(-1px);}
  .btn-brand:active{transform:scale(.98);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1);}
  .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.26);color:var(--text-1);}
  .btn-sm{height:42px;padding:0 18px;font-size:14px;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--cool);font-size:14px;font-weight:600;
  }
  .link-arrow i{transition:transform var(--t);font-size:12px;}
  .link-arrow:hover{color:var(--text-1);text-decoration:underline;text-underline-offset:3px;}
  .link-arrow:hover i{transform:translateX(4px);}

  /* ============ HERO ============ */
  .page-hero{
    position:relative;overflow:hidden;
    padding:150px 0 clamp(56px,8vw,96px);
    background:linear-gradient(180deg,#0B0E12 0%,#0E131A 100%);
    border-bottom:1px solid var(--line-2);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(1200px 600px at 80% -10%,rgba(240,69,43,.18),transparent 60%);
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
    background-size:24px 24px;
    -webkit-mask-image:linear-gradient(180deg,#000,transparent 72%);
    mask-image:linear-gradient(180deg,#000,transparent 72%);
  }
  .page-hero .container{position:relative;z-index:2;}
  .crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
  .crumb a{color:var(--text-2);}
  .crumb a:hover{color:var(--text-1);}
  .crumb span[aria-current]{color:var(--text-1);}
  h1{
    font-size:clamp(2rem,4.6vw,3.4rem);
    font-weight:800;letter-spacing:-.02em;line-height:1.2;
    margin:14px 0 18px;
  }
  .hero-lead{
    font-size:17px;color:var(--text-2);max-width:32em;margin-bottom:26px;
  }
  .badge-soft{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:var(--r-pill);
    border:1px solid rgba(240,69,43,.4);
    background:rgba(240,69,43,.08);
    color:#FF8368;font-size:12px;font-weight:600;letter-spacing:.04em;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
  .hero-facts{display:flex;flex-wrap:wrap;gap:12px 32px;list-style:none;padding:0;margin:0;}
  .hero-facts li{font-size:13px;color:var(--text-2);display:flex;align-items:baseline;gap:8px;}
  .hero-facts b{
    font-size:22px;font-weight:800;color:var(--accent);
    font-variant-numeric:tabular-nums;line-height:1;
  }
  .hero-visual{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line);
    background:var(--ink-800);
    box-shadow:var(--shadow-card);
  }
  .hero-visual img{aspect-ratio:16/10;object-fit:cover;width:100%;}
  .hero-visual figcaption{
    position:absolute;left:14px;right:14px;bottom:14px;
    padding:10px 14px;border-radius:var(--r-md);
    background:rgba(11,14,18,.72);
    border:1px solid var(--line);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    backdrop-filter:blur(18px) saturate(140%);
    font-size:12.5px;color:var(--text-2);line-height:1.7;
  }

  /* ============ SECTION ============ */
  .section{padding:clamp(56px,8vw,104px) 0;border-bottom:1px solid var(--line-2);}
  .section--alt{background:var(--ink-800);}
  .section-head{margin-bottom:34px;}
  .section h2{
    font-size:clamp(1.4rem,2.6vw,2.1rem);
    font-weight:700;line-height:1.3;
    border-left:3px solid var(--brand);
    padding-left:14px;
    margin:0 0 12px;
  }
  .section-sub{color:var(--text-2);font-size:15px;max-width:38em;margin:0 0 0 17px;}
  .section > .container{position:relative;}
  section[id]{scroll-margin-top:96px;}

  /* ============ PANELS ============ */
  .panel{
    background:var(--ink-700);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:24px;
    box-shadow:var(--shadow-card);
    transition:transform var(--t),border-color var(--t),box-shadow var(--t);
  }
  .panel--lift:hover{
    transform:translateY(-4px);
    border-color:rgba(240,69,43,.45);
    box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 40px rgba(0,0,0,.55);
  }
  .panel h3{font-size:1.0625rem;font-weight:600;margin:12px 0 8px;line-height:1.5;}
  .panel p{color:var(--text-2);font-size:14px;line-height:1.8;margin:0;}
  .num{
    display:block;
    font-size:clamp(2rem,3.4vw,2.8rem);
    font-weight:800;line-height:1;
    color:var(--accent);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.02em;
  }
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:var(--r-pill);
    border:1px solid var(--line);
    background:rgba(255,255,255,.04);
    color:var(--text-2);font-size:12px;font-weight:600;line-height:1.6;
    white-space:nowrap;
  }
  .tag--accent{border-color:rgba(201,242,75,.35);color:var(--accent);background:rgba(201,242,75,.08);}
  .tag--brand{border-color:rgba(240,69,43,.4);color:#FF8368;background:rgba(240,69,43,.08);}
  .divider{height:1px;background:var(--line-2);border:0;margin:0;}

  /* ============ CHECK LIST ============ */
  .check-list{list-style:none;margin:0;padding:0;}
  .check-list li{
    display:flex;align-items:flex-start;gap:14px;
    padding:16px 0;
    border-bottom:1px solid var(--line-2);
    font-size:15px;color:var(--text-1);line-height:1.8;
  }
  .check-list li:last-child{border-bottom:0;}
  .check-list li i{
    flex:0 0 22px;width:22px;height:22px;margin-top:6px;
    border-radius:50%;
    display:grid;place-items:center;
    background:rgba(201,242,75,.12);
    color:var(--accent);font-size:11px;
  }
  .check-list li span{color:var(--text-2);}
  .figure{
    border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line);background:var(--ink-700);
    box-shadow:var(--shadow-card);
  }
  .figure img{aspect-ratio:16/10;object-fit:cover;width:100%;}
  .figure figcaption{padding:14px 18px;font-size:13px;color:var(--text-2);line-height:1.7;border-top:1px solid var(--line-2);}

  /* ============ LEVEL STRIP ============ */
  .level-card{
    display:flex;flex-wrap:wrap;align-items:flex-start;gap:18px;
    background:var(--ink-700);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:24px 26px;
    margin-bottom:14px;
    transition:border-color var(--t),transform var(--t),background var(--t);
  }
  .level-card:last-child{margin-bottom:0;}
  .level-card:hover{border-color:rgba(201,242,75,.42);transform:translateY(-2px);}
  .level-badge{
    flex:0 0 auto;
    min-width:64px;height:34px;border-radius:var(--r-sm);
    display:inline-grid;place-items:center;
    background:rgba(201,242,75,.14);
    border:1px solid rgba(201,242,75,.4);
    color:var(--accent);
    font-size:13px;font-weight:800;letter-spacing:.04em;
    font-variant-numeric:tabular-nums;
  }
  .level-body{flex:1 1 260px;min-width:0;}
  .level-body h3{font-size:1.0625rem;font-weight:600;margin:0 0 6px;}
  .level-body p{color:var(--text-2);font-size:14px;line-height:1.8;margin:0;}
  .level-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

  /* ============ STEPS ============ */
  .steps{position:relative;list-style:none;margin:0;padding:0 0 0 6px;}
  .steps::before{
    content:"";position:absolute;left:17px;top:10px;bottom:12px;
    width:1px;background:var(--line);
  }
  .step{position:relative;padding:0 0 34px 52px;}
  .step:last-child{padding-bottom:0;}
  .step-dot{
    position:absolute;left:8px;top:6px;
    width:20px;height:20px;border-radius:50%;
    background:var(--ink-900);
    border:1px solid rgba(240,69,43,.6);
    display:grid;place-items:center;
  }
  .step-dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);}
  .step-num{
    font-size:26px;font-weight:800;line-height:1;
    color:var(--accent);font-variant-numeric:tabular-nums;
    letter-spacing:-.02em;
  }
  .step h3{font-size:1.0625rem;font-weight:600;margin:10px 0 6px;}
  .step p{color:var(--text-2);font-size:14px;line-height:1.85;margin:0;max-width:34em;}

  /* ============ FAQ ============ */
  .faq-acc .accordion-item{
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    border-radius:var(--r-md) !important;
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color var(--t),background var(--t);
  }
  .faq-acc .accordion-item:hover{border-color:rgba(255,255,255,.22);}
  .faq-acc .accordion-button{
    position:relative;
    background:transparent;
    color:var(--text-1);
    font-size:16px;font-weight:600;line-height:1.6;
    padding:18px 52px 18px 20px;
    border:0;
    box-shadow:none;
    transition:background var(--t),color var(--t),box-shadow var(--t);
  }
  .faq-acc .accordion-button:not(.collapsed){
    background:rgba(255,255,255,.06);
    color:var(--text-1);
    box-shadow:inset 3px 0 0 var(--brand);
  }
  .faq-acc .accordion-button:focus{box-shadow:inset 3px 0 0 var(--brand),0 0 0 3px rgba(240,69,43,.16);}
  .faq-acc .accordion-button::after{
    content:"+";
    position:absolute;right:22px;top:50%;
    transform:translateY(-50%);
    width:auto;height:auto;
    background-image:none !important;
    color:var(--brand);
    font-size:22px;font-weight:400;line-height:1;
    margin:0;
  }
  .faq-acc .accordion-button:not(.collapsed)::after{
    content:"−";
    color:var(--accent);
    transform:translateY(-50%);
  }
  .faq-acc .accordion-body{
    padding:2px 20px 20px;
    color:var(--text-2);
    font-size:15px;
    line-height:1.85;
    background:transparent;
  }

  /* ============ ANCHOR SIDEBAR ============ */
  .anchor-card{
    position:sticky;top:96px;
    background:rgba(255,255,255,.06);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:22px;
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    backdrop-filter:blur(18px) saturate(140%);
    box-shadow:var(--shadow-card);
  }
  .anchor-card h3{
    font-size:13px;font-weight:600;color:var(--text-2);
    letter-spacing:.12em;margin:0 0 14px;
  }
  .anchor-list{list-style:none;margin:0;padding:0;}
  .anchor-list a{
    display:block;
    padding:9px 0 9px 12px;
    border-left:2px solid var(--line-2);
    color:var(--text-2);
    font-size:14px;line-height:1.6;
    transition:color var(--t),border-color var(--t),padding-left var(--t);
  }
  .anchor-list a:hover,
  .anchor-list a.active{
    color:var(--text-1);
    border-left-color:var(--brand);
    padding-left:16px;
  }
  .anchor-note{
    margin-top:20px;padding-top:18px;
    border-top:1px solid var(--line-2);
    font-size:13px;color:var(--text-3);line-height:1.8;
  }
  .anchor-note b{color:var(--text-2);font-weight:600;}

  /* ============ CTA BAND ============ */
  .cta-band{
    position:relative;overflow:hidden;
    border-top:1px solid var(--line);
    background:linear-gradient(120deg,#12171F 0%,#0B0E12 70%);
    padding:clamp(36px,5vw,56px) 0;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(900px 400px at 88% 120%,rgba(240,69,43,.22),transparent 65%);
  }
  .cta-band .container{position:relative;z-index:2;}
  .cta-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;}
  .cta-row h2{
    font-size:clamp(1.25rem,2.2vw,1.7rem);
    font-weight:700;margin:0 0 8px;
    border-left:3px solid var(--brand);
    padding-left:14px;line-height:1.35;
  }
  .cta-row p{color:var(--text-2);font-size:14.5px;margin:0;padding-left:17px;max-width:38em;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ============ FOOTER ============ */
  .site-footer{
    background:var(--ink-900);
    border-top:1px solid var(--line);
    padding:clamp(48px,6vw,72px) 0 0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.2fr;
    gap:32px;
    padding-bottom:40px;
  }
  .footer-brand .brand{margin-bottom:16px;}
  .footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;max-width:30em;margin-bottom:16px;}
  .contact-line{font-size:13px;color:var(--text-3);line-height:1.9;}
  .contact-line b{color:var(--text-2);font-weight:600;}
  .footer-title{
    font-size:14px;font-weight:600;color:var(--text-1);
    margin:0 0 16px;letter-spacing:.04em;
  }
  .footer-links{list-style:none;margin:0;padding:0;}
  .footer-links li{margin-bottom:10px;}
  .footer-links a{color:var(--text-2);font-size:14px;}
  .footer-links a:hover{color:var(--text-1);text-decoration:underline;text-underline-offset:3px;}
  .footer-note{color:var(--text-3);font-size:13px;line-height:1.85;margin:0;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
    border-top:1px solid var(--line-2);
    padding:18px 0;
    font-size:13px;color:var(--text-3);
  }

  /* ============ OFFCANVAS ============ */
  .offcanvas.mobile-nav{
    background:var(--ink-900);
    color:var(--text-1);
    width:min(88vw,360px);
    border-left:1px solid var(--line);
  }
  .mobile-nav .offcanvas-header{
    padding:20px 22px;
    border-bottom:1px solid var(--line-2);
  }
  .mobile-nav .btn-close{
    filter:invert(1) grayscale(1) brightness(1.6);
    opacity:.6;
  }
  .mobile-nav .btn-close:hover{opacity:1;}
  .mobile-nav .offcanvas-body{
    padding:8px 22px 24px;
    display:flex;flex-direction:column;
  }
  .mobile-nav .nav-link{
    display:flex;align-items:center;justify-content:space-between;
    color:var(--text-1);
    font-size:18px;font-weight:600;
    line-height:56px;
    padding:0;
    border-bottom:1px solid var(--line-2);
  }
  .mobile-nav .nav-link i{font-size:13px;color:var(--text-3);}
  .mobile-nav .nav-link.active{color:#FF8368;}
  .mobile-nav .nav-link.active i{color:var(--brand);}
  .mobile-cta{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
  .mobile-cta .btn{width:100%;}
  .mobile-contact{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.9;}

  @media (max-width:991.98px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .footer-brand{grid-column:1 / -1;}
    .page-hero{padding-top:118px;}
  }
  @media (max-width:767.98px){
    .hero-lead{font-size:16px;}
    .level-card{padding:20px;}
    .cta-row{flex-direction:column;align-items:flex-start;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 auto;}
  }
  @media (max-width:575.98px){
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .hero-actions .btn{width:100%;}
    .footer-col--compliance{padding-top:4px;}
    .brand-main{font-size:15px;}
    .brand-sub{font-size:10px;letter-spacing:.28em;}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      transition-duration:.001ms !important;
      scroll-behavior:auto !important;
    }
  }