/* roulang page: index */
:root{
    --brand-500:#E8452B;
    --brand-600:#C9331C;
    --brand-400:#F4764F;
    --accent-500:#F2A93B;
    --accent-100:#FDF0DC;
    --jade-600:#17705F;
    --ink-900:#1C1714;
    --ink-700:#3C3430;
    --ink-500:#6E635C;
    --line:#EADFD6;
    --bg:#FDF8F3;
    --surface:#FFFFFF;
    --surface-2:#F7EEE6;
    --grad:linear-gradient(135deg,#F4764F 0%,#E8452B 54%,#C9331C 100%);
    --shadow-1:0 2px 8px rgba(28,23,20,.06);
    --shadow-2:0 12px 32px -12px rgba(28,23,20,.16);
    --shadow-brand:0 14px 30px -14px rgba(232,69,43,.45);
    --radius-card:20px;
    --radius-hero:28px;
    --radius-img:16px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink-700);
    font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  ::selection{background:rgba(232,69,43,.16)}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}

  .section{padding:56px 0}
  @media (min-width:1024px){.section{padding:96px 0}}
  .section-sm{padding:44px 0}
  @media (min-width:1024px){.section-sm{padding:72px 0}}

  /* 标题体系 */
  .sec-h{
    position:relative;
    padding-left:18px;
    font-size:clamp(24px,3.4vw,36px);
    font-weight:700;
    line-height:1.25;
    color:var(--ink-900);
    letter-spacing:-.01em;
    margin:0;
  }
  .sec-h::before{
    content:"";
    position:absolute;left:0;top:.2em;bottom:.2em;width:5px;border-radius:3px;
    background:var(--grad);
  }
  .sec-dash{width:46px;height:3px;border-radius:2px;background:var(--accent-500);margin-top:14px}
  .sec-sub{margin:16px 0 0;color:var(--ink-500);font-size:15px;line-height:1.8;max-width:66ch}

  /* 头部导航 */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:60;
    height:72px;
    background:transparent;
    transition:background .2s ease,box-shadow .2s ease,backdrop-filter .2s ease;
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.92);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    box-shadow:0 1px 0 var(--line),0 10px 30px -26px rgba(28,23,20,.7);
  }
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
  .brand-mark{
    width:38px;height:38px;border-radius:50%;
    background:var(--grad);
    display:flex;align-items:center;justify-content:center;
    box-shadow:var(--shadow-brand);
    flex:0 0 auto;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.1}
  .brand-line1{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.02em}
  .brand-line2{font-size:11px;color:var(--ink-500);letter-spacing:.14em}

  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;
    height:72px;
    font-size:15px;font-weight:500;color:var(--ink-700);
    transition:color .2s ease;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:50%;right:50%;bottom:24px;height:2px;border-radius:2px;
    background:var(--grad);
    transition:left .25s ease,right .25s ease;
  }
  .nav-link:hover,.nav-link.active{color:var(--brand-500)}
  .nav-link:hover::after,.nav-link.active::after{left:0;right:0}

  .mega-wrap{position:relative}
  .mega-trigger{
    display:inline-flex;align-items:center;gap:6px;
    height:40px;padding:0 16px;border-radius:999px;
    border:1.5px solid var(--line);background:#fff;color:var(--ink-700);
    font-size:14px;font-weight:500;cursor:pointer;
    transition:border-color .2s ease,color .2s ease,background .2s ease;
  }
  .mega-trigger:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--surface-2)}
  .mega-panel{
    position:absolute;right:0;top:52px;width:820px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow-2);
    padding:24px;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s;
  }
  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
  .mega-col-title{
    font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--ink-500);
    text-transform:uppercase;margin-bottom:14px;
  }
  .mega-list{list-style:none;margin:0;padding:0}
  .mega-list li{margin-bottom:2px}
  .mega-list a{
    position:relative;display:block;padding:9px 12px;border-radius:10px;
    font-size:14px;color:var(--ink-700);
    transition:background .2s ease,color .2s ease;
  }
  .mega-list a::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:3px;height:0;border-radius:2px;background:var(--brand-500);
    transition:height .2s ease;
  }
  .mega-list a:hover{background:var(--surface-2);color:var(--brand-500)}
  .mega-list a:hover::before{height:18px}
  .mega-mini{padding:9px 0;border-bottom:1px dashed var(--line)}
  .mega-mini:last-child{border-bottom:0}
  .mega-mini a{font-size:14px;font-weight:500;color:var(--ink-900);transition:color .2s ease}
  .mega-mini a:hover{color:var(--brand-500)}
  .mega-mini span{display:block;font-size:12px;color:var(--ink-500);margin-top:2px}

  .hamburger{
    width:44px;height:44px;display:inline-flex;flex-direction:column;
    align-items:center;justify-content:center;gap:5px;
    border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
  }
  .hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .25s ease,opacity .25s ease}
  .hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .hamburger.is-open span:nth-child(2){opacity:0}
  .hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .drawer-mask{
    position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:70;
    opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
  }
  .drawer-mask.open{opacity:1;visibility:visible}
  .mobile-drawer{
    position:fixed;top:0;right:0;z-index:80;
    width:min(86vw,360px);height:100%;
    background:#fff;box-shadow:-16px 0 40px -24px rgba(28,23,20,.5);
    transform:translateX(100%);transition:transform .28s ease;
    overflow-y:auto;padding:20px 20px 40px;
  }
  .mobile-drawer.open{transform:translateX(0)}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    height:52px;border-bottom:1px solid var(--line);
    font-size:15px;font-weight:500;color:var(--ink-900);
  }
  .drawer-link.active{color:var(--brand-500)}
  .drawer-sub{padding:8px 0 4px}
  .drawer-sub a{display:block;height:44px;line-height:44px;font-size:14px;color:var(--ink-500)}
  .drawer-sub a:hover{color:var(--brand-500)}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 28px;border-radius:999px;
    font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
    transition:transform .25s ease,box-shadow .25s ease,background-position .3s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
    white-space:nowrap;
  }
  .btn:focus-visible{outline:2px solid rgba(232,69,43,.4);outline-offset:2px}
  .btn-primary{
    color:#fff;background-image:var(--grad);background-size:160% 100%;background-position:0 0;
    box-shadow:var(--shadow-brand);
  }
  .btn-primary:hover{background-position:100% 0;transform:translateY(-1px);box-shadow:0 18px 34px -14px rgba(232,69,43,.55)}
  .btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
  .btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--surface-2)}
  .btn-white{background:#fff;color:var(--brand-500)}
  .btn-white:hover{background:var(--surface-2);transform:translateY(-1px)}
  .btn-sm{height:42px;padding:0 22px;font-size:14px}

  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand-500);font-size:14px;font-weight:600;
  }
  .link-arrow svg{transition:transform .2s ease}
  .link-arrow:hover svg{transform:translateX(4px)}

  /* 徽章 / 标签 */
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    height:30px;padding:0 13px;border-radius:999px;
    border:1px solid var(--line);background:#fff;
    font-size:13px;color:var(--ink-700);white-space:nowrap;
  }
  .chip-brand{border-color:rgba(232,69,43,.35);color:var(--brand-500);font-weight:500}
  .chip-soft{background:var(--accent-100);border-color:rgba(242,169,59,.35);color:#8a5a10}
  .chip-on-dark{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24);color:#fff}

  /* Hero */
  .hero{padding:112px 0 40px;position:relative;overflow:hidden}
  .hero::before{
    content:"";position:absolute;left:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
    background:radial-gradient(circle,rgba(244,118,79,.18) 0%,rgba(244,118,79,0) 68%);
    pointer-events:none;
  }
  .hero-h1{
    font-size:clamp(30px,5vw,52px);
    font-weight:700;line-height:1.18;letter-spacing:-.01em;
    color:var(--ink-900);margin:0;
  }
  .hero-sub{
    margin:20px 0 0;font-size:17px;line-height:1.8;color:var(--ink-500);max-width:52ch;
  }
  .hero-trust{margin:24px 0 0;font-size:13px;color:var(--ink-500)}
  .hero-figure{position:relative;border-radius:var(--radius-hero)}
  .hero-figure img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:var(--radius-hero);
    box-shadow:var(--shadow-2);
    border:1px solid var(--line);
  }
  .hero-badge{
    position:absolute;right:-14px;top:-16px;
    background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:12px 18px;box-shadow:var(--shadow-2);text-align:center;
  }
  .hero-badge .num{display:block;font-size:22px;font-weight:700;color:var(--brand-500);font-variant-numeric:tabular-nums;line-height:1.2}
  .hero-badge .txt{display:block;font-size:12px;color:var(--ink-500);margin-top:2px}
  @media (max-width:640px){
    .hero-badge{right:10px;top:10px;padding:10px 14px}
  }

  /* 实时状态条 */
  .status-bar{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
    background:#fff;border:1px solid var(--line);border-radius:16px;
    padding:14px 20px;box-shadow:var(--shadow-1);
    font-size:13px;color:var(--ink-500);
  }
  .status-bar strong{color:var(--ink-900);font-weight:600}
  .pulse-dot{position:relative;width:8px;height:8px;border-radius:50%;background:var(--jade-600);flex:0 0 auto}
  .pulse-dot::after{
    content:"";position:absolute;inset:-4px;border-radius:50%;background:rgba(23,112,95,.28);
    animation:pulse 1.9s infinite;
  }
  @keyframes pulse{
    0%{transform:scale(.6);opacity:.9}
    70%{transform:scale(1.5);opacity:0}
    100%{transform:scale(1.5);opacity:0}
  }
  .status-item{display:inline-flex;align-items:center;gap:8px}

  /* 通用卡片 */
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    transition:box-shadow .24s ease,transform .24s ease;
  }
  .card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
  .card-static:hover{transform:none}

  .icon-box{
    width:48px;height:48px;border-radius:14px;
    display:flex;align-items:center;justify-content:center;
    background:var(--accent-100);color:var(--brand-500);flex:0 0 auto;
  }
  .pain-title{font-size:17px;font-weight:600;color:var(--ink-900);margin:18px 0 8px}
  .pain-desc{margin:0;font-size:14px;line-height:1.8;color:var(--ink-500)}

  /* 解决方案图文 */
  .feature-img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:var(--radius-img);border:1px solid var(--line);
    box-shadow:var(--shadow-1);
  }
  .check-list{list-style:none;margin:22px 0 0;padding:0}
  .check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-700);margin-bottom:12px;line-height:1.7}
  .check-list li svg{flex:0 0 auto;margin-top:4px}

  /* 数据通栏 */
  .stat-band{
    background:var(--ink-900);
    background-image:linear-gradient(135deg,rgba(244,118,79,.20) 0%,rgba(232,69,43,.06) 46%,rgba(28,23,20,0) 100%);
    border-radius:var(--radius-hero);
    padding:44px 28px;
  }
  @media (min-width:1024px){.stat-band{padding:56px 48px}}
  .stat-num{
    font-size:clamp(32px,4vw,44px);font-weight:700;color:var(--accent-500);
    font-variant-numeric:tabular-nums;line-height:1.15;margin:0;
  }
  .stat-label{margin:10px 0 0;font-size:13px;color:rgba(255,255,255,.72);line-height:1.6}

  /* 证言 */
  .quote-card{position:relative;padding:28px;overflow:hidden}
  .quote-mark{
    position:absolute;left:20px;top:6px;font-size:52px;font-weight:700;color:var(--brand-500);opacity:.16;line-height:1;
    font-family:Georgia,serif;
  }
  .quote-text{position:relative;margin:14px 0 22px;font-size:16px;line-height:1.9;color:var(--ink-700)}
  .avatar{
    width:48px;height:48px;border-radius:50%;flex:0 0 auto;
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-weight:700;font-size:17px;
  }

  /* 资讯卡 */
  .news-card{display:flex;flex-direction:column;overflow:hidden;height:100%}
  .news-cover{position:relative;overflow:hidden;border-radius:var(--radius-card) var(--radius-card) 0 0}
  .news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
  .news-card:hover .news-cover img{transform:scale(1.04)}
  .news-cover .badge{
    position:absolute;left:14px;top:14px;
    background:#fff;border:1px solid rgba(232,69,43,.4);color:var(--brand-500);
    font-size:12px;font-weight:500;border-radius:999px;padding:4px 12px;
    box-shadow:var(--shadow-1);
  }
  .news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
  .news-title{
    font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;margin:0 0 10px;
  }
  .news-title a:hover{color:var(--brand-500)}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .news-desc{font-size:14px;line-height:24px;color:var(--ink-500);margin:0 0 18px;flex:1}
  .news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-500);border-top:1px solid var(--line);padding-top:14px}

  .empty-state{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
    min-height:260px;text-align:center;
    background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
    padding:32px 20px;
  }

  /* FAQ */
  .faq-wrap{max-width:860px;margin:0 auto}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    width:100%;min-height:56px;padding:16px 0;
    background:transparent;border:0;text-align:left;cursor:pointer;
    font-size:16px;font-weight:600;color:var(--ink-900);
  }
  .faq-q:focus-visible{outline:2px solid rgba(232,69,43,.4);outline-offset:2px;border-radius:8px}
  .faq-icon{position:relative;width:24px;height:24px;flex:0 0 auto;transition:transform .2s ease}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
    background:var(--brand-500);border-radius:2px;
  }
  .faq-icon::before{width:14px;height:2px}
  .faq-icon::after{width:2px;height:14px;transition:opacity .2s ease}
  .faq-item.open .faq-icon::after{opacity:0}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;background:var(--bg);border-radius:0 0 12px 12px}
  .faq-item.open .faq-a{background:#FDF8F3}
  .faq-a-inner{padding:16px 8px 20px;font-size:14px;line-height:26px;color:var(--ink-700);max-width:78ch}

  /* CTA 通栏 */
  .cta-band{
    background-image:var(--grad);
    border-radius:var(--radius-hero);
    padding:40px 28px;
    position:relative;overflow:hidden;
  }
  @media (min-width:1024px){.cta-band{padding:52px 48px}}
  .cta-band::after{
    content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;
    background:rgba(255,255,255,.12);
  }
  .cta-title{font-size:clamp(22px,3vw,32px);font-weight:700;color:#fff;line-height:1.3;margin:0}
  .cta-desc{margin:14px 0 0;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:56ch}

  /* 页脚 */
  .site-footer{background:var(--ink-900);color:rgba(255,255,255,.88);padding:64px 0 0;margin-top:76px}
  .footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin:0 0 18px}
  .footer-list{list-style:none;margin:0;padding:0}
  .footer-list li{margin-bottom:12px}
  .footer-list a,.footer-list span{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
  .footer-list a:hover{color:var(--brand-400)}
  .footer-bottom{
    margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:8px 24px;
    justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
  }

  /* 正文内链接 */
  .inline-link{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
  .inline-link:hover{color:var(--brand-600)}

  @media (max-width:767px){
    .hero{padding-top:96px}
  }

/* roulang page: article */
:root{
  --brand-500:#E8452B;
  --brand-600:#C9331C;
  --brand-400:#F4764F;
  --accent-500:#F2A93B;
  --accent-100:#FDF0DC;
  --jade-600:#17705F;
  --ink-900:#1C1714;
  --ink-700:#3C3430;
  --ink-500:#6E635C;
  --line:#EADFD6;
  --bg:#FDF8F3;
  --surface:#FFFFFF;
  --surface-2:#F7EEE6;
  --brand-grad:linear-gradient(135deg,#F4764F 0%,#E8452B 54%,#C9331C 100%);
  --shadow-1:0 2px 8px rgba(28,23,20,.06);
  --shadow-2:0 12px 32px -12px rgba(28,23,20,.16);
  --shadow-brand:0 14px 30px -14px rgba(232,69,43,.45);
  --radius-card:20px;
  --radius-hero:28px;
  --radius-img:16px;
  --radius-input:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid rgba(232,69,43,.55);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(253,248,243,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  box-shadow:var(--shadow-1);
  border-bottom-color:var(--line);
}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-brand);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-line1{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.02em}
.brand-line2{font-size:11px;font-weight:500;color:var(--ink-500);letter-spacing:.14em;margin-top:2px}

.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-700);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-6px;height:2px;width:0;
  background:var(--brand-grad);border-radius:2px;transform:translateX(-50%);
  transition:width .24s ease;
}
.nav-link:hover{color:var(--brand-500)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--brand-500);font-weight:600}

/* ---------- Mega ---------- */
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--ink-700);
  transition:border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.mega-trigger:hover{border-color:var(--brand-400);color:var(--brand-500);box-shadow:var(--shadow-1)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:800px;max-width:calc(100vw - 64px);
  background:#fff;border-radius:20px;border:1px solid var(--line);
  box-shadow:var(--shadow-2);padding:26px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--ink-500);margin-bottom:14px;text-transform:uppercase}
.mega-list li{margin-bottom:2px}
.mega-list a{
  display:block;position:relative;padding:8px 0 8px 12px;font-size:14px;color:var(--ink-700);
  border-radius:8px;
}
.mega-list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--brand-grad);transition:height .2s ease;
}
.mega-list a:hover{color:var(--brand-500)}
.mega-list a:hover::before{height:18px}
.mega-mini{padding:10px 0;border-bottom:1px dashed var(--line)}
.mega-mini:last-child{border-bottom:0}
.mega-mini a{display:block;font-size:14px;font-weight:500;color:var(--ink-900);line-height:1.5}
.mega-mini a:hover{color:var(--brand-500)}
.mega-mini span{display:block;font-size:12px;color:var(--ink-500);margin-top:4px}
.mega-card{
  position:relative;display:block;border-radius:var(--radius-card);overflow:hidden;
  min-height:188px;box-shadow:var(--shadow-1);
}
.mega-card img{width:100%;height:188px;object-fit:cover}
.mega-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(28,23,20,.15) 0%,rgba(28,23,20,.82) 100%);
}
.mega-card-body{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff}
.mega-card-body strong{display:block;font-size:16px;font-weight:600;line-height:1.4}
.mega-card-btn{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  height:32px;padding:0 14px;border-radius:999px;background:#fff;color:var(--brand-500);
  font-size:13px;font-weight:600;
}

/* ---------- Mobile drawer ---------- */
.mobile-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.mobile-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
.mobile-toggle span::before,.mobile-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;
}
.mobile-toggle span::before{top:-6px}
.mobile-toggle span::after{top:6px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,23,20,.4);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#fff;z-index:95;
  transform:translateX(100%);transition:transform .28s ease;padding:22px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(28,23,20,.16);
}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer .drawer-link{
  display:flex;align-items:center;height:52px;font-size:16px;font-weight:500;
  color:var(--ink-900);border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-link.active{color:var(--brand-500)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-700);
}

/* ---------- Buttons ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  background-image:var(--brand-grad);background-size:180% 100%;background-position:0 0;
  color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .25s ease,background-position .3s ease,filter .2s ease;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-brand);background-position:60% 0}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  background:#fff;color:var(--brand-500);font-size:15px;font-weight:600;
  box-shadow:var(--shadow-1);
  transition:background .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-1px)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  background:#fff;border:1.5px solid var(--line);color:var(--ink-900);
  font-size:15px;font-weight:600;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--surface-2)}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-500);
  font-size:15px;font-weight:600;
}
.link-cta svg{transition:transform .2s ease}
.link-cta:hover svg{transform:translateX(4px)}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  background:#fff;border:1px solid var(--brand-500);color:var(--brand-500);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-soft{background:var(--accent-100);border-color:transparent;color:var(--brand-600)}
.badge-jade{background:#E8F3F0;border-color:transparent;color:var(--jade-600)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:nowrap;
  font-size:13px;color:var(--ink-500);padding:22px 0 0;
}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .sep{width:1px;height:12px;background:var(--line);flex:0 0 1px}
.breadcrumb .current{
  max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-700);
}

/* ---------- Article ---------- */
.article-head{padding:18px 0 30px;border-bottom:1px solid var(--line)}
.article-title{
  font-size:clamp(26px,4.2vw,40px);line-height:1.3;font-weight:700;
  color:var(--ink-900);letter-spacing:-.01em;margin:16px 0 18px;
}
.article-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-500);
}
.article-meta .dot{width:1px;height:12px;background:var(--line)}
.article-body{
  max-width:760px;margin:0 auto;padding:40px 0 8px;
  font-size:16px;line-height:1.85;color:var(--ink-700);
}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;font-size:clamp(21px,2.6vw,27px);font-weight:700;color:var(--ink-900);
  line-height:1.35;margin:2.2em 0 .9em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:var(--brand-grad);
}
.article-body h3{
  font-size:20px;font-weight:600;color:var(--ink-900);line-height:1.4;margin:1.9em 0 .7em;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink-900);margin:1.6em 0 .6em}
.article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-600)}
.article-body strong{color:var(--ink-900);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;line-height:1.9;margin-bottom:8px;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand-400);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.42em;
  width:16px;height:16px;border-radius:50%;background:var(--accent-100);color:var(--brand-600);
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:1.8em 0;padding:18px 24px;background:var(--surface-2);
  border-left:3px solid var(--brand-500);border-radius:0 16px 16px 0;
  color:var(--ink-700);font-size:15px;line-height:1.9;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;border-radius:var(--radius-img);border:1px solid var(--line);
  margin:1.8em 0;
}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.8em 0;font-size:14px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:var(--surface-2);color:var(--ink-900);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body code{
  background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-600);
}

.article-empty{
  max-width:760px;margin:0 auto;text-align:center;padding:56px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.article-empty .icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;
}
.article-empty h2{font-size:20px;font-weight:700;color:var(--ink-900);margin-bottom:10px}
.article-empty p{font-size:14px;color:var(--ink-500);margin-bottom:22px}

.tag-row{max-width:760px;margin:0 auto;padding:26px 0 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-700);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag-pill:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--surface-2)}

/* ---------- Prev / Next ---------- */
.prevnext{
  max-width:760px;margin:0 auto;padding:34px 0 0;
  display:grid;grid-template-columns:1fr;gap:16px;
}
@media(min-width:768px){.prevnext{grid-template-columns:1fr 1fr}}
.pn-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#F3CFC2}
.pn-card .pn-label{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--ink-500)}
.pn-card .pn-title{
  font-size:15px;font-weight:600;color:var(--ink-900);line-height:1.55;margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pn-card:hover .pn-title{color:var(--brand-500)}

/* ---------- Related ---------- */
.section{padding:64px 0}
@media(min-width:768px){.section{padding:88px 0}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-title{
  position:relative;font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--ink-900);
  line-height:1.3;
}
.section-title::after{
  content:"";display:block;width:44px;height:3px;border-radius:3px;
  background:var(--accent-500);margin-top:14px;
}
.section-sub{font-size:14px;color:var(--ink-500);margin-top:12px;max-width:52ch}

.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease;
  height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.post-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--surface-2)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .thumb .badge{position:absolute;left:14px;top:14px;z-index:2}
.post-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-card .title{
  font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .title{color:var(--brand-500)}
.post-card .excerpt{
  font-size:14px;line-height:1.7;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-500);padding-top:8px;border-top:1px dashed var(--line);
}
.post-card .foot .more{display:inline-flex;align-items:center;gap:4px;color:var(--brand-500);font-weight:600}
.post-card .foot .more svg{transition:transform .2s ease}
.post-card:hover .foot .more svg{transform:translateX(4px)}

/* ---------- CTA ---------- */
.cta-band{
  background-image:var(--brand-grad);
  border-radius:var(--radius-hero);
  padding:40px 28px;
  display:flex;flex-direction:column;gap:24px;align-items:flex-start;
  color:#fff;box-shadow:var(--shadow-brand);
}
@media(min-width:900px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 52px;gap:40px}
}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.35;color:#fff}
.cta-band p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.88);margin-top:10px;max-width:52ch}
.cta-band .btn-ghost{flex:0 0 auto}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.88);padding:64px 0 28px;margin-top:24px}
.site-footer .brand-line1{color:#fff}
.site-footer .brand-line2{color:rgba(255,255,255,.6)}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:#fff;margin-bottom:18px}
.footer-list li{margin-bottom:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.footer-list a{color:rgba(255,255,255,.72)}
.footer-list a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- Utility ---------- */
.grad-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--accent-500);vertical-align:middle;
}
@media(max-width:767px){
  .breadcrumb .current{max-width:150px}
  .cta-band{border-radius:22px}
}

/* roulang page: category2 */
:root{
    --brand-500:#E8452B;
    --brand-600:#C9331C;
    --brand-400:#F4764F;
    --accent-500:#F2A93B;
    --accent-100:#FDF0DC;
    --jade-600:#17705F;
    --ink-900:#1C1714;
    --ink-700:#3C3430;
    --ink-500:#6E635C;
    --line:#EADFD6;
    --bg:#FDF8F3;
    --surface:#FFFFFF;
    --surface-2:#F7EEE6;
    --grad:linear-gradient(135deg,#F4764F 0%,#E8452B 54%,#C9331C 100%);
    --shadow-1:0 2px 8px rgba(28,23,20,.06);
    --shadow-2:0 12px 32px -12px rgba(28,23,20,.16);
    --shadow-brand:0 14px 30px -14px rgba(232,69,43,.45);
    --r-card:20px;
    --r-hero:28px;
    --r-img:16px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink-700);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:28px;
    font-weight:400;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  h1,h2,h3,h4,p,ul,ol{margin:0}
  ul,ol{padding:0;list-style:none}
  a:focus-visible,button:focus-visible,summary:focus-visible{
    outline:2px solid rgba(232,69,43,.6);
    outline-offset:2px;
    border-radius:8px;
  }
  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }
  @media (min-width:768px){
    .container{padding:0 32px}
  }

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(253,248,243,.86);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .site-header.scrolled{
    background:rgba(255,255,255,.92);
    box-shadow:0 2px 14px rgba(28,23,20,.08);
    border-bottom-color:var(--line);
  }
  .brand{display:flex;align-items:center;gap:10px}
  .brand-mark{
    width:38px;height:38px;flex:0 0 38px;
    border-radius:12px;
    background:var(--grad);
    display:flex;align-items:center;justify-content:center;
    box-shadow:var(--shadow-brand);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-line1{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.02em}
  .brand-line2{font-size:11px;font-weight:500;color:var(--ink-500);letter-spacing:.18em}
  .nav-link{
    position:relative;
    font-size:15px;
    font-weight:500;
    color:var(--ink-700);
    padding:6px 2px;
    transition:color .2s ease;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:50%;bottom:-2px;
    width:0;height:2px;
    border-radius:2px;
    background:var(--grad);
    transform:translateX(-50%);
    transition:width .24s ease;
  }
  .nav-link:hover,.nav-link.active{color:var(--brand-500)}
  .nav-link:hover::after,.nav-link.active::after{width:100%}

  .mega-wrap{position:relative}
  .mega-trigger{
    display:inline-flex;align-items:center;gap:6px;
    height:40px;padding:0 18px;
    border-radius:999px;
    border:1.5px solid var(--line);
    background:var(--surface);
    color:var(--ink-900);
    font-size:14px;font-weight:600;
    cursor:pointer;
    transition:border-color .2s ease,color .2s ease,background .2s ease;
  }
  .mega-trigger:hover,.mega-wrap:focus-within .mega-trigger{
    border-color:var(--brand-500);
    color:var(--brand-500);
    background:var(--surface-2);
  }
  .mega-panel{
    position:absolute;
    top:52px;right:0;
    width:800px;
    max-width:calc(100vw - 48px);
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:20px;
    box-shadow:var(--shadow-2);
    padding:26px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s;
  }
  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel{
    opacity:1;visibility:visible;transform:translateY(0);
  }
  .mega-col-title{
    font-size:12px;font-weight:700;letter-spacing:.14em;
    color:var(--ink-500);margin-bottom:14px;
  }
  .mega-list li a{
    display:block;
    position:relative;
    font-size:14px;
    color:var(--ink-700);
    padding:7px 0 7px 12px;
    transition:color .18s ease,padding-left .18s ease;
  }
  .mega-list li a::before{
    content:"";
    position:absolute;left:0;top:50%;
    width:3px;height:0;
    background:var(--brand-500);
    border-radius:2px;
    transform:translateY(-50%);
    transition:height .18s ease;
  }
  .mega-list li a:hover{color:var(--brand-500);padding-left:14px}
  .mega-list li a:hover::before{height:14px}
  .mega-mini{padding:9px 0;border-bottom:1px dashed var(--line)}
  .mega-mini:last-child{border-bottom:0}
  .mega-mini a{font-size:14px;font-weight:600;color:var(--ink-900);display:block;transition:color .18s ease}
  .mega-mini a:hover{color:var(--brand-500)}
  .mega-mini span{font-size:12px;color:var(--ink-500)}
  .mega-entry{
    position:relative;
    border-radius:20px;
    overflow:hidden;
    min-height:176px;
    display:flex;flex-direction:column;justify-content:flex-end;
    padding:18px;
    background-image:url('/assets/images/coverpic/cover-5.png');
    background-size:cover;
    background-position:center;
    box-shadow:var(--shadow-1);
  }
  .mega-entry::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(28,23,20,.15) 0%,rgba(28,23,20,.82) 100%);
  }
  .mega-entry > *{position:relative;z-index:1}
  .mega-entry h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:4px}
  .mega-entry p{color:rgba(255,255,255,.78);font-size:12.5px;line-height:1.7;margin-bottom:12px}
  .mega-entry .mini-btn{
    align-self:flex-start;
    background:#fff;
    color:var(--brand-600);
    font-size:12.5px;font-weight:700;
    padding:8px 16px;
    border-radius:999px;
    transition:background .2s ease,transform .2s ease;
  }
  .mega-entry .mini-btn:hover{background:var(--surface-2);transform:translateY(-1px)}

  .menu-toggle{
    width:44px;height:44px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:12px;
    border:1.5px solid var(--line);
    background:var(--surface);
    cursor:pointer;
  }
  .menu-toggle span{
    display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);
    position:relative;
  }
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink-900);
  }
  .menu-toggle span::before{top:-6px}
  .menu-toggle span::after{top:6px}

  .drawer-mask{
    position:fixed;inset:0;background:rgba(28,23,20,.4);
    opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s;z-index:80;
  }
  .drawer-mask.open{opacity:1;visibility:visible}
  .mobile-drawer{
    position:fixed;top:0;right:0;bottom:0;
    width:min(320px,86vw);
    background:var(--surface);
    z-index:90;
    transform:translateX(104%);
    transition:transform .28s ease;
    padding:22px 20px 32px;
    overflow-y:auto;
  }
  .mobile-drawer.open{transform:translateX(0)}
  .drawer-link{
    display:flex;align-items:center;
    min-height:52px;
    font-size:15px;font-weight:600;color:var(--ink-900);
    border-bottom:1px solid var(--line);
    transition:color .18s ease;
  }
  .drawer-link.active,.drawer-link:hover{color:var(--brand-500)}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 28px;
    border-radius:999px;
    font-size:15px;font-weight:600;
    border:0;cursor:pointer;
    transition:transform .18s ease,box-shadow .24s ease,background-position .3s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn-primary{
    color:#fff;
    background-image:var(--grad);
    background-size:180% 100%;
    background-position:0% 50%;
    box-shadow:var(--shadow-brand);
  }
  .btn-primary:hover{transform:translateY(-1px);background-position:100% 50%;box-shadow:0 18px 34px -14px rgba(232,69,43,.55)}
  .btn-primary:active{transform:translateY(1px);filter:brightness(.94)}
  .btn-secondary{
    background:var(--surface);
    border:1.5px solid var(--line);
    color:var(--ink-900);
  }
  .btn-secondary:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--surface-2)}
  .btn-ghost{
    background:#fff;color:var(--brand-600);
  }
  .btn-ghost:hover{background:var(--surface-2);transform:translateY(-1px)}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--brand-500);
  }
  .link-arrow svg{transition:transform .2s ease}
  .link-arrow:hover svg{transform:translateX(4px)}

  /* ---------- Category hero ---------- */
  .cat-hero{
    position:relative;
    border-radius:var(--r-hero);
    overflow:hidden;
    min-height:300px;
    display:flex;
    align-items:center;
    margin:20px 0 0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
  }
  @media (min-width:1024px){
    .cat-hero{min-height:326px}
  }
  .cat-hero::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(28,23,20,.9) 0%,rgba(28,23,20,.72) 46%,rgba(28,23,20,.18) 100%);
  }
  .cat-hero-inner{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
  .breadcrumb{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.7);
    margin-bottom:18px;
  }
  .breadcrumb a{color:rgba(255,255,255,.82);transition:color .2s ease}
  .breadcrumb a:hover{color:#fff}
  .breadcrumb .sep{color:rgba(255,255,255,.4)}
  .breadcrumb .current{
    max-width:220px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
    color:var(--accent-500);
  }
  .cat-hero h1{
    font-size:clamp(28px,4.4vw,46px);
    font-weight:700;
    line-height:1.2;
    letter-spacing:-.01em;
    color:#fff;
    max-width:760px;
  }
  .cat-hero-lead{
    margin-top:16px;
    max-width:660px;
    font-size:15px;
    line-height:1.9;
    color:rgba(255,255,255,.82);
  }
  .hero-badge{
    position:absolute;
    right:28px;bottom:28px;
    z-index:3;
    background:#fff;
    border-radius:14px;
    padding:12px 18px;
    box-shadow:var(--shadow-2);
    display:none;
  }
  @media (min-width:1024px){.hero-badge{display:block}}
  .hero-badge b{
    display:block;
    font-size:24px;font-weight:700;color:var(--brand-500);
    font-variant-numeric:tabular-nums;line-height:1.1;
  }
  .hero-badge span{font-size:12px;color:var(--ink-500)}

  /* ---------- Section base ---------- */
  .section{padding:56px 0}
  @media (min-width:1024px){.section{padding:92px 0}}
  .sec-head{margin-bottom:36px}
  .sec-kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.12em;
    color:var(--brand-500);
    margin-bottom:12px;
  }
  .sec-kicker::after{
    content:"";width:44px;height:2px;border-radius:2px;background:var(--accent-500);
  }
  .sec-title{
    font-size:clamp(24px,3.4vw,36px);
    font-weight:700;line-height:1.25;
    color:var(--ink-900);
    letter-spacing:-.01em;
  }
  .sec-desc{margin-top:14px;font-size:15px;line-height:1.9;color:var(--ink-500);max-width:720px}

  /* ---------- Status strip ---------- */
  .status-strip{
    display:flex;flex-wrap:wrap;gap:14px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:20px 24px;
    box-shadow:var(--shadow-1);
    margin-top:28px;
  }
  .status-item{
    display:flex;align-items:center;gap:10px;
    font-size:13.5px;color:var(--ink-700);
    padding-right:20px;
    border-right:1px solid var(--line);
  }
  .status-item:last-child{border-right:0;padding-right:0}
  .status-item i{
    width:9px;height:9px;border-radius:50%;
    background:var(--jade-600);
    box-shadow:0 0 0 4px rgba(23,112,95,.12);
    flex:0 0 9px;
  }
  .status-item.warm i{background:var(--accent-500);box-shadow:0 0 0 4px rgba(242,169,59,.16)}
  .status-item.hot i{background:var(--brand-500);box-shadow:0 0 0 4px rgba(232,69,43,.14)}
  .status-item b{color:var(--ink-900);font-weight:700}

  /* ---------- Strip list (4/8 staggered) ---------- */
  .strip-list{display:flex;flex-direction:column;gap:22px}
  .strip-item{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:20px;
    box-shadow:var(--shadow-1);
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  @media (min-width:768px){
    .strip-item{grid-template-columns:220px 1fr;gap:28px;padding:22px}
    .strip-item.alt{grid-template-columns:1fr 220px}
    .strip-item.alt .strip-thumb{order:2}
    .strip-item.alt .strip-body{order:1}
  }
  @media (min-width:1024px){
    .strip-item:nth-child(odd){margin-right:34px}
    .strip-item:nth-child(even){margin-left:34px}
  }
  .strip-item:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-2);
    border-color:#f2ded2;
  }
  .strip-thumb{
    position:relative;
    border-radius:var(--r-img);
    overflow:hidden;
    aspect-ratio:16/11;
    background:linear-gradient(135deg,#F4C9B6,#E8452B);
  }
  .strip-thumb img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .24s ease;
  }
  .strip-item:hover .strip-thumb img{transform:scale(1.04)}
  .strip-body{min-width:0}
  .chip{
    display:inline-flex;align-items:center;
    height:26px;padding:0 12px;
    border-radius:999px;
    font-size:12px;font-weight:600;
    background:#fff;color:var(--brand-500);
    border:1px solid rgba(232,69,43,.4);
  }
  .chip.solid{background:var(--accent-100);color:#a56a12;border-color:rgba(242,169,59,.5)}
  .strip-title{
    font-size:clamp(18px,2vw,22px);
    font-weight:600;line-height:1.4;
    color:var(--ink-900);
    margin:12px 0 8px;
  }
  .strip-text{font-size:14px;line-height:1.85;color:var(--ink-500)}
  .strip-points{margin-top:12px;display:flex;flex-direction:column;gap:8px}
  .strip-points li{
    position:relative;
    padding-left:22px;
    font-size:14px;line-height:1.8;color:var(--ink-700);
  }
  .strip-points li::before{
    content:"";
    position:absolute;left:0;top:8px;
    width:12px;height:12px;border-radius:50%;
    background:var(--grad);
    opacity:.9;
  }
  .strip-points li::after{
    content:"";
    position:absolute;left:4px;top:12px;
    width:4px;height:4px;border-radius:50%;
    background:#fff;
  }
  .strip-foot{
    margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  }
  .strip-time{font-size:13px;color:var(--ink-500)}

  /* ---------- Flow steps ---------- */
  .flow-band{
    background:var(--surface-2);
    border-radius:var(--r-hero);
    padding:40px 24px;
  }
  @media (min-width:1024px){.flow-band{padding:56px 48px}}
  .flow-grid{
    display:grid;grid-template-columns:1fr;gap:20px;margin-top:34px;
  }
  @media (min-width:900px){.flow-grid{grid-template-columns:repeat(3,1fr)}}
  .flow-card{
    position:relative;
    background:var(--surface);
    border-radius:var(--r-card);
    padding:28px 24px;
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
    transition:transform .24s ease,box-shadow .24s ease;
  }
  .flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
  .flow-card::after{
    content:"";
    position:absolute;top:18px;right:18px;
    width:8px;height:8px;border-radius:50%;
    background:var(--accent-500);
    opacity:.6;
  }
  .flow-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:14px;
    background:var(--grad);
    color:#fff;font-size:15px;font-weight:700;
    box-shadow:var(--shadow-brand);
    margin-bottom:16px;
  }
  .flow-card h3{font-size:18px;font-weight:600;color:var(--ink-900);margin-bottom:8px}
  .flow-card p{font-size:14px;line-height:1.85;color:var(--ink-500)}

  /* ---------- Dark stats ---------- */
  .stats-band{
    background:linear-gradient(135deg,#241C18 0%,#1C1714 60%,#2A1D18 100%);
    border-radius:var(--r-hero);
    padding:44px 24px;
  }
  @media (min-width:1024px){.stats-band{padding:56px 48px}}
  .stats-grid{
    display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:32px;
  }
  @media (min-width:900px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:32px}}
  .stat{
    padding-left:16px;
    border-left:2px solid rgba(242,169,59,.45);
  }
  .stat b{
    display:block;
    font-size:clamp(30px,4vw,42px);
    font-weight:700;
    color:var(--accent-500);
    font-variant-numeric:tabular-nums;
    line-height:1.15;
    letter-spacing:-.02em;
  }
  .stat span{display:block;margin-top:8px;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.72)}
  .stats-band .sec-kicker{color:var(--accent-500)}
  .stats-band .sec-title{color:#fff}
  .stats-band .sec-desc{color:rgba(255,255,255,.66)}

  /* ---------- Settings table ---------- */
  .table-wrap{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
  }
  .settings-table{
    width:100%;
    border-collapse:collapse;
    font-size:14px;
  }
  .settings-table caption{
    text-align:left;padding:20px 24px 0;
    font-size:13px;color:var(--ink-500);
  }
  .settings-table th{
    text-align:left;
    font-weight:700;font-size:13px;letter-spacing:.06em;
    color:var(--ink-900);
    background:var(--surface-2);
    padding:14px 20px;
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .settings-table td{
    padding:16px 20px;
    border-bottom:1px solid var(--line);
    color:var(--ink-700);
    line-height:1.7;
    vertical-align:top;
  }
  .settings-table tr:last-child td{border-bottom:0}
  .settings-table tbody tr:hover{background:#fdfaf7}
  .settings-table td strong{color:var(--ink-900);font-weight:600}
  .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto}
  .faq-item{
    border-bottom:1px solid var(--line);
    background:transparent;
  }
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;padding:14px 4px;
    font-size:16px;font-weight:600;color:var(--ink-900);
    cursor:pointer;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--brand-500)}
  .faq-icon{
    position:relative;
    width:22px;height:22px;flex:0 0 22px;
    border-radius:50%;
    border:1.5px solid var(--line);
    transition:transform .2s ease,border-color .2s ease,background .2s ease;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;top:50%;left:50%;
    background:var(--brand-500);border-radius:2px;
    transform:translate(-50%,-50%);
    transition:opacity .2s ease,background .2s ease;
  }
  .faq-icon::before{width:10px;height:1.8px}
  .faq-icon::after{width:1.8px;height:10px}
  .faq-item[open] .faq-icon{transform:rotate(90deg);border-color:var(--brand-500);background:rgba(232,69,43,.08)}
  .faq-item[open] .faq-icon::after{opacity:0}
  .faq-item[open] summary{color:var(--brand-600)}
  .faq-answer{
    background:#FDF8F3;
    border-radius:14px;
    padding:16px 18px;
    margin:0 0 18px;
    font-size:14px;line-height:26px;color:var(--ink-700);
    max-width:78ch;
  }

  /* ---------- Round nav ---------- */
  .round-nav{
    display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
    margin-top:36px;
  }
  .round-dot{
    width:46px;height:46px;border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--surface);
    border:1.5px solid var(--line);
    color:var(--ink-700);
    font-size:14px;font-weight:700;
    transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
  }
  .round-dot:hover{transform:translateY(-2px);border-color:var(--brand-500);color:var(--brand-500);box-shadow:var(--shadow-1)}
  .round-dot.is-active{
    background-image:var(--grad);
    color:#fff;border-color:transparent;
    box-shadow:var(--shadow-brand);
  }
  .round-label{font-size:13px;color:var(--ink-500)}

  /* ---------- CTA ---------- */
  .cta-band{
    background-image:var(--grad);
    border-radius:var(--r-hero);
    padding:40px 26px;
    display:flex;flex-direction:column;gap:24px;
    align-items:flex-start;
    box-shadow:var(--shadow-brand);
  }
  @media (min-width:900px){
    .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 52px}
  }
  .cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:700;color:#fff;line-height:1.3}
  .cta-band p{margin-top:10px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.86);max-width:560px}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap}

  /* ---------- Footer ---------- */
  .site-footer{
    background:var(--ink-900);
    color:rgba(255,255,255,.88);
    padding:64px 0 28px;
    margin-top:72px;
  }
  .footer-title{
    font-size:13px;font-weight:700;letter-spacing:.12em;
    color:rgba(255,255,255,.55);
    margin-bottom:18px;
  }
  .footer-list li{margin-bottom:10px}
  .footer-list a,.footer-list span{
    font-size:14px;color:rgba(255,255,255,.76);
    transition:color .2s ease,padding-left .2s ease;
  }
  .footer-list a:hover{color:#fff;padding-left:4px}
  .footer-bottom{
    margin-top:48px;padding-top:22px;
    border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }

  @media (max-width:767px){
    .settings-table{min-width:560px}
    .cat-hero{border-radius:20px}
    .cta-band{padding:32px 22px}
  }

/* roulang page: category1 */
:root{
  --brand-500:#E8452B;--brand-600:#C9331C;--brand-400:#F4764F;
  --accent-500:#F2A93B;--accent-100:#FDF0DC;
  --jade-600:#17705F;
  --ink-900:#1C1714;--ink-700:#3C3430;--ink-500:#6E635C;--line:#EADFD6;
  --bg:#FDF8F3;--surface:#FFFFFF;--surface-2:#F7EEE6;
  --shadow-1:0 2px 8px rgba(28,23,20,.06);
  --shadow-2:0 12px 32px -12px rgba(28,23,20,.16);
  --shadow-brand:0 14px 30px -14px rgba(232,69,43,.45);
  --grad:linear-gradient(135deg,#F4764F 0%,#E8452B 54%,#C9331C 100%);
  --r-card:20px;--r-pill:999px;--r-img:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink-700);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:28px;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a.inline-link{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a.inline-link:hover{color:var(--brand-600)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(232,69,43,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(253,248,243,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{background:rgba(255,255,255,.92);box-shadow:var(--shadow-1)}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:var(--shadow-brand);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-line1{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
.brand-line2{font-size:11px;font-weight:500;color:var(--ink-500);letter-spacing:.06em}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-700);
  padding:6px 0;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;height:2px;width:0;
  background:var(--grad);border-radius:2px;transform:translateX(-50%);
  transition:width .24s ease;
}
.nav-link:hover{color:var(--brand-500)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--brand-500);font-weight:600}
.nav-link.active::after{width:100%}

.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border:1.5px solid var(--line);border-radius:var(--r-pill);background:#fff;
  font-size:14px;font-weight:600;color:var(--ink-900);transition:all .2s ease;
}
.mega-trigger:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--surface-2)}
.mega-panel{
  position:absolute;top:calc(100% + 16px);right:0;width:820px;max-width:86vw;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-2);padding:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--ink-500);margin-bottom:14px}
.mega-list li+li{margin-top:2px}
.mega-list a{
  display:block;padding:9px 10px;border-radius:12px;font-size:14px;color:var(--ink-700);
  position:relative;transition:background .18s ease,color .18s ease,padding .18s ease;
}
.mega-list a:hover{background:var(--surface-2);color:var(--brand-500);padding-left:16px}
.mega-list a::before{
  content:"";position:absolute;left:6px;top:50%;width:3px;height:0;border-radius:3px;
  background:var(--brand-500);transform:translateY(-50%);transition:height .18s ease;
}
.mega-list a:hover::before{height:18px}
.mega-mini{padding:10px 0;border-bottom:1px dashed var(--line)}
.mega-mini:last-child{border-bottom:0}
.mega-mini a{display:block;font-size:14px;font-weight:500;color:var(--ink-900);line-height:1.5;transition:color .18s ease}
.mega-mini a:hover{color:var(--brand-500)}
.mega-mini span{display:block;font-size:12px;color:var(--ink-500);margin-top:4px}
.mega-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;min-height:196px;
  display:flex;align-items:flex-end;box-shadow:var(--shadow-1);
}
.mega-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.mega-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,23,20,.15),rgba(28,23,20,.82))}
.mega-card-body{position:relative;z-index:1;padding:18px}
.mega-card-body h4{color:#fff;font-size:16px;font-weight:600;line-height:1.5}
.mega-card-body .mini-btn{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;height:34px;padding:0 14px;
  border-radius:var(--r-pill);background:#fff;color:var(--brand-500);font-size:13px;font-weight:600;
}
.mega-card-body .mini-btn:hover{background:var(--surface-2)}

.burger{
  width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;gap:4px;flex-direction:column;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:.2s}
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,23,20,.4);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:340px;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;
  box-shadow:-8px 0 32px rgba(28,23,20,.14);
}
.drawer.open{transform:translateX(0)}
.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:12px;background:var(--surface-2);color:var(--ink-900);font-size:20px;line-height:1}
.drawer-body{flex:1;overflow-y:auto;padding:8px 20px 32px}
.drawer-body a{display:flex;align-items:center;min-height:52px;font-size:15px;font-weight:500;border-bottom:1px solid var(--line);color:var(--ink-900)}
.drawer-body a.active{color:var(--brand-500)}
.drawer-group{margin-top:20px;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--ink-500)}

/* ============ hero ============ */
.page-hero{
  position:relative;overflow:hidden;min-height:340px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(28,23,20,.9) 0%,rgba(28,23,20,.74) 52%,rgba(28,23,20,.34) 100%);
}
.page-hero .container{position:relative;z-index:1;padding-top:40px;padding-bottom:40px}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);flex-wrap:wrap}
.crumb a:hover{color:#fff}
.crumb .sep{width:1px;height:12px;background:rgba(255,255,255,.35);display:inline-block}
.hero-h1{
  margin-top:18px;color:#fff;font-weight:700;letter-spacing:-.01em;
  font-size:clamp(30px,5vw,48px);line-height:1.18;max-width:760px;
}
.hero-lead{margin-top:16px;max-width:640px;color:rgba(255,255,255,.84);font-size:16px;line-height:1.8}
.hero-badge{
  position:absolute;right:32px;bottom:32px;background:#fff;border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-2);min-width:150px;
}
.hero-badge strong{display:block;font-size:26px;font-weight:700;color:var(--brand-500);font-variant-numeric:tabular-nums;line-height:1.1}
.hero-badge span{display:block;font-size:12px;color:var(--ink-500);margin-top:4px}
@media(max-width:767px){
  .page-hero{min-height:0;padding:8px 0 96px}
  .hero-badge{right:auto;left:20px;bottom:20px}
}

/* ============ sections ============ */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.sec-head{max-width:760px}
.sec-kicker{font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--brand-500)}
h2.sec-title{
  position:relative;margin-top:12px;font-size:clamp(24px,3.4vw,36px);font-weight:700;
  color:var(--ink-900);line-height:1.25;letter-spacing:-.01em;
}
h2.sec-title .dash{
  display:inline-block;width:36px;height:4px;border-radius:4px;background:var(--accent-500);
  vertical-align:middle;margin-left:12px;
}
.sec-sub{margin-top:14px;color:var(--ink-500);font-size:15px}
.sec-title::before{
  content:"";position:absolute;left:-14px;top:.35em;width:4px;height:1.1em;border-radius:4px;
  background:var(--grad);
}
@media(max-width:520px){.sec-title::before{display:none}}

/* 状态条 */
.status-strip{
  margin-top:-56px;position:relative;z-index:5;background:#fff;border:1px solid var(--line);
  border-radius:24px;box-shadow:var(--shadow-2);padding:22px;
}
@media(min-width:768px){.status-strip{margin-top:-64px;padding:26px 28px}}
.status-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.status-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.status-item{display:flex;gap:14px;align-items:flex-start}
.status-dot{
  width:38px;height:38px;border-radius:12px;background:var(--accent-100);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.status-item h3{font-size:15px;font-weight:600;color:var(--ink-900)}
.status-item p{font-size:13px;line-height:20px;color:var(--ink-500);margin-top:4px}

/* 筛选胶囊 */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-top:32px}
.filter-pill{
  height:38px;padding:0 18px;border-radius:var(--r-pill);border:1.5px solid var(--line);
  background:#fff;font-size:13px;font-weight:600;color:var(--ink-700);transition:all .2s ease;
}
.filter-pill:hover{border-color:var(--brand-400);color:var(--brand-500);background:var(--surface-2)}
.filter-pill.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--shadow-brand)}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:36px}
@media(min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:32px}}
.g-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.g-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#F3D9CC}
.g-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.g-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.g-card:hover .thumb img{transform:scale(1.04)}
.card-tag{
  position:absolute;left:14px;top:14px;height:26px;padding:0 12px;display:inline-flex;align-items:center;
  border-radius:var(--r-pill);background:rgba(255,255,255,.96);border:1px solid var(--brand-500);
  color:var(--brand-500);font-size:12px;font-weight:600;
}
.g-card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.g-card h3{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.g-card .desc{margin-top:10px;font-size:14px;line-height:24px;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.g-card .foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  border-top:1px dashed var(--line);font-size:13px;color:var(--ink-500)}
.text-cta{display:inline-flex;align-items:center;gap:6px;color:var(--brand-500);font-weight:600;font-size:13px}
.text-cta svg{transition:transform .2s ease}
.text-cta:hover svg{transform:translateX(4px)}
.g-card.hide{display:none}

/* 场景 */
.scene-wrap{display:grid;grid-template-columns:1fr;gap:32px;margin-top:36px}
@media(min-width:1024px){.scene-wrap{grid-template-columns:5fr 7fr;gap:56px}}
.scene-list{display:flex;flex-direction:column}
.scene-item{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.scene-item:first-child{padding-top:0}
.scene-num{font-size:26px;font-weight:700;color:var(--accent-500);font-variant-numeric:tabular-nums;line-height:1.1;flex:0 0 auto}
.scene-item h3{font-size:17px;font-weight:600;color:var(--ink-900)}
.scene-item p{margin-top:8px;font-size:14px;line-height:26px;color:var(--ink-500)}
.scene-side{
  background:linear-gradient(160deg,#F7EEE6 0%,#FDF8F3 100%);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px;
}
.scene-side h3{font-size:18px;font-weight:600;color:var(--ink-900)}
.check-list{margin-top:16px}
.check-list li{position:relative;padding-left:28px;font-size:14px;line-height:26px;color:var(--ink-700);margin-bottom:10px}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--brand-500);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:12px;width:6px;height:3px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg);
}

/* 流程 */
.steps{display:grid;grid-template-columns:1fr;gap:20px;margin-top:36px}
@media(min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:24px}}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--shadow-1);position:relative;overflow:hidden;transition:transform .24s ease,box-shadow .24s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step::after{
  content:"";position:absolute;right:-10px;top:-10px;width:56px;height:56px;border-radius:50%;
  background:var(--accent-100);
}
.step-no{position:relative;z-index:1;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand-500)}
.step h3{position:relative;z-index:1;margin-top:12px;font-size:17px;font-weight:600;color:var(--ink-900)}
.step p{position:relative;z-index:1;margin-top:10px;font-size:14px;line-height:26px;color:var(--ink-500)}

/* 深色数据条 */
.stats-band{
  background:var(--grad);border-radius:28px;padding:36px 24px;margin-top:0;
  display:grid;grid-template-columns:repeat(2,1fr);gap:26px;
}
@media(min-width:1024px){.stats-band{grid-template-columns:repeat(4,1fr);padding:46px 48px;gap:32px}}
.stat strong{
  display:block;color:#fff;font-weight:700;font-variant-numeric:tabular-nums;
  font-size:clamp(32px,4vw,44px);line-height:1.1;
}
.stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.85)}
.stat .up{display:inline-flex;align-items:center;gap:4px;margin-top:8px;font-size:12px;color:#FFE7B8}

/* FAQ */
.faq-wrap{max-width:860px;margin:36px auto 0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background .2s ease;
}
.faq-q:hover{background:var(--surface-2)}
.faq-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;background:var(--surface-2);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(135deg);background:var(--brand-500);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;background:#FDF8F3}
.faq-a p{padding:18px 24px;font-size:14px;line-height:26px;color:var(--ink-700);max-width:78ch;border-top:1px solid var(--line)}

/* CTA */
.cta-band{
  background:var(--grad);border-radius:28px;padding:36px 24px;
  display:flex;flex-direction:column;gap:24px;box-shadow:var(--shadow-brand);
}
@media(min-width:1024px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 56px}}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;max-width:620px}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.86);font-size:14px;line-height:26px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .3s ease,color .2s ease,border-color .2s ease,background-position .3s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);background-size:160% 100%;background-position:0 0;color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{transform:translateY(-1px);background-position:100% 0}
.btn-primary:active{transform:translateY(1px);filter:brightness(.95)}
.btn-ghost{background:#fff;color:var(--brand-500)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-secondary{background:#fff;border:1.5px solid var(--line);color:var(--ink-900)}
.btn-secondary:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--surface-2)}
@media(max-width:520px){.btn{width:100%}}

/* footer */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.88);padding:64px 0 28px;margin-top:0}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:#fff;margin-bottom:16px}
.footer-list li+li{margin-top:10px}
.footer-list a,.footer-list span{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-list a:hover{color:var(--brand-400)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}
.divider-line{height:1px;background:var(--line);border:0;margin:0}