/* roulang page: index */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --accent:#C8A96A;
      --cream:#F8F3E8;
      --bg:#F8FBFF;
      --surface:#FFFFFF;
      --text:#1F2937;
      --muted:#64748B;
      --line:#E2E8F0;
      --ink:#0F172A;
      --radius-lg:28px;
      --radius-md:20px;
      --shadow:0 18px 45px rgba(15,23,42,.08);
      --shadow-hover:0 28px 70px rgba(37,99,235,.16);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(37,99,235,.10), transparent 34%),
        radial-gradient(circle at 88% 10%, rgba(200,169,106,.14), transparent 30%),
        linear-gradient(180deg,#F8FBFF 0%,#FFFFFF 38%,#F7FAFC 100%);
      line-height:1.8;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    .site-container{width:min(1200px,100%);margin:0 auto;padding:0 32px}
    .section-pad{padding:96px 0}
    .section-pad-sm{padding:72px 0}
    .nav-shell{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.96);
      border-bottom:1px solid rgba(148,163,184,.24);
      box-shadow:0 10px 32px rgba(15,23,42,.05);
      backdrop-filter:saturate(1.2) blur(8px);
    }
    .nav-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;color:#fff;font-weight:800;
      background:linear-gradient(135deg,var(--primary),#60A5FA);
      box-shadow:0 12px 26px rgba(37,99,235,.22);
      position:relative;overflow:hidden;
    }
    .brand-mark:after{
      content:"";position:absolute;inset:auto -16px -18px auto;width:34px;height:34px;
      border-radius:999px;background:rgba(200,169,106,.55);
    }
    .nav-chips{display:flex;align-items:center;gap:8px;padding:6px;border:1px solid rgba(148,163,184,.22);border-radius:999px;background:#fff}
    .nav-chip{
      min-height:40px;display:inline-flex;align-items:center;justify-content:center;
      padding:0 16px;border-radius:999px;color:#475569;font-weight:650;font-size:14px;
      transition:.22s ease;
    }
    .nav-chip:hover{background:#EFF6FF;color:var(--primary);transform:translateY(-1px)}
    .nav-chip.active{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(37,99,235,.22)}
    .btn{
      min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:0 20px;border-radius:999px;font-weight:700;font-size:15px;
      border:1px solid transparent;transition:.22s ease;cursor:pointer;white-space:nowrap;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 14px 28px rgba(37,99,235,.22)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:rgba(37,99,235,.22)}
    .btn-secondary:hover{background:#EFF6FF;border-color:rgba(37,99,235,.42);transform:translateY(-2px)}
    .btn-cream{background:var(--cream);color:#7A5D1B;border-color:rgba(200,169,106,.35)}
    .btn-cream:hover{background:#F3E8CE;transform:translateY(-2px)}
    a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:2px solid var(--primary);outline-offset:3px;
    }
    .hero{
      position:relative;overflow:hidden;padding:88px 0 42px;
    }
    .hero:before{
      content:"";position:absolute;inset:0;
      background-image:
        linear-gradient(rgba(37,99,235,.045) 1px, transparent 1px),
        linear-gradient(90deg,rgba(37,99,235,.045) 1px, transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 76%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:#fff;border:1px solid rgba(37,99,235,.18);color:var(--primary);
      font-weight:750;font-size:14px;box-shadow:0 10px 24px rgba(15,23,42,.05);
    }
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:999px;background:var(--accent)}
    .hero-title{
      font-size:clamp(2.25rem,5vw,4rem);
      line-height:1.14;font-weight:850;letter-spacing:-.055em;color:var(--ink);
    }
    .hero-title .highlight{
      background:linear-gradient(90deg,var(--primary),#0F766E);
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .lead{font-size:18px;line-height:1.9;color:#475569;max-width:650px}
    .tag-row{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;
      padding:7px 12px;background:#fff;border:1px solid rgba(148,163,184,.28);
      color:#475569;font-size:14px;font-weight:650;
    }
    .tag.blue{background:#EFF6FF;color:var(--primary);border-color:rgba(37,99,235,.18)}
    .tag.gold{background:var(--cream);color:#80621D;border-color:rgba(200,169,106,.28)}
    .visual-card{
      position:relative;border-radius:var(--radius-lg);overflow:hidden;
      background:#fff;border:1px solid rgba(148,163,184,.22);
      box-shadow:var(--shadow);
    }
    .visual-bg{
      min-height:210px;background:
        linear-gradient(135deg,rgba(15,23,42,.18),rgba(37,99,235,.16)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      position:relative;
    }
    .visual-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.9))}
    .panel{margin:-72px 22px 22px;position:relative;z-index:2;background:rgba(255,255,255,.96);border:1px solid rgba(226,232,240,.88);border-radius:24px;padding:20px;box-shadow:0 16px 36px rgba(15,23,42,.10)}
    .entry-item{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px solid rgba(226,232,240,.85)}
    .entry-item:last-child{border-bottom:0}
    .status-dot{width:10px;height:10px;border-radius:999px;background:#14B8A6;box-shadow:0 0 0 5px rgba(20,184,166,.12);margin-top:9px;flex:none}
    .info-strip{
      display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
      background:#fff;border:1px solid rgba(148,163,184,.22);border-radius:24px;
      padding:16px;box-shadow:0 14px 36px rgba(15,23,42,.06);
    }
    .strip-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:18px;background:#F8FBFF}
    .strip-icon{width:36px;height:36px;border-radius:14px;background:#EFF6FF;color:var(--primary);display:grid;place-items:center;font-weight:850}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:36px}
    .section-kicker{color:var(--primary);font-weight:800;font-size:14px;letter-spacing:.04em}
    .section-title{font-size:clamp(1.75rem,3.2vw,2.6rem);line-height:1.22;font-weight:820;letter-spacing:-.04em;color:var(--ink)}
    .section-desc{color:#64748B;font-size:16px;max-width:560px}
    .card{
      background:#fff;border:1px solid rgba(148,163,184,.22);border-radius:24px;
      box-shadow:0 14px 38px rgba(15,23,42,.055);
      transition:.24s ease;
    }
    .card:hover{transform:translateY(-4px);border-color:rgba(37,99,235,.30);box-shadow:var(--shadow-hover)}
    .pain-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:34px;align-items:start}
    .pain-stack{display:grid;gap:16px}
    .num{
      width:48px;height:48px;border-radius:18px;background:#EFF6FF;color:var(--primary);
      display:grid;place-items:center;font-weight:850;border:1px solid rgba(37,99,235,.16);
    }
    .solution-wrap{
      background:linear-gradient(135deg,#EFF6FF 0%,#FFFFFF 48%,#F8F3E8 100%);
      border:1px solid rgba(148,163,184,.22);border-radius:32px;padding:28px;
      box-shadow:var(--shadow);position:relative;overflow:hidden;
    }
    .solution-wrap:before{
      content:"";position:absolute;left:42px;top:88px;bottom:88px;width:2px;
      background:linear-gradient(180deg,var(--primary),var(--accent));
      opacity:.28;
    }
    .step-card{position:relative;margin-left:38px;background:#fff;border:1px solid rgba(148,163,184,.22);border-radius:22px;padding:22px;box-shadow:0 12px 30px rgba(15,23,42,.055)}
    .step-card + .step-card{margin-top:18px}
    .step-badge{
      position:absolute;left:-62px;top:22px;width:48px;height:48px;border-radius:18px;
      display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:850;
      box-shadow:0 12px 26px rgba(37,99,235,.22);
    }
    .value-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr .95fr;gap:16px;align-items:stretch}
    .value-card{padding:22px}
    .value-card:nth-child(even){margin-top:26px}
    .topic-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .feature-big{overflow:hidden}
    .feature-img{aspect-ratio:16/10;position:relative;overflow:hidden;background:#EFF6FF}
    .feature-img img{width:100%;height:100%;object-fit:cover}
    .feature-img:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(15,23,42,.55))}
    .small-topic{padding:22px;display:grid;grid-template-columns:108px 1fr;gap:16px;align-items:center}
    .small-topic img{width:108px;height:94px;border-radius:18px;object-fit:cover;border:1px solid rgba(226,232,240,.9)}
    .process-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:center}
    .process-image{
      border-radius:30px;overflow:hidden;border:1px solid rgba(148,163,184,.22);
      box-shadow:var(--shadow);background:#fff;padding:12px;
    }
    .process-image img{border-radius:22px;width:100%;aspect-ratio:4/3;object-fit:cover}
    .timeline-list{display:grid;gap:14px}
    .timeline-item{display:flex;gap:16px;align-items:flex-start;padding:18px;border-radius:22px;background:#fff;border:1px solid rgba(148,163,184,.22)}
    .quote-box{
      border-radius:30px;background:#0F172A;color:#E5E7EB;padding:34px;position:relative;overflow:hidden;
    }
    .quote-box:before{content:"";position:absolute;right:-60px;top:-70px;width:210px;height:210px;border-radius:999px;background:rgba(37,99,235,.30)}
    .quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;position:relative;z-index:1}
    .quote-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:20px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    details.faq-item{background:#fff;border:1px solid rgba(148,163,184,.22);border-radius:22px;box-shadow:0 12px 28px rgba(15,23,42,.045);overflow:hidden}
    details.faq-item summary{list-style:none;cursor:pointer;padding:20px 22px;font-weight:780;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px}
    details.faq-item summary::-webkit-details-marker{display:none}
    details.faq-item summary:after{content:"+";width:30px;height:30px;border-radius:999px;background:#EFF6FF;color:var(--primary);display:grid;place-items:center;font-weight:850;flex:none}
    details.faq-item[open] summary{background:#F8FBFF}
    details.faq-item[open] summary:after{content:"−"}
    .faq-body{padding:0 22px 20px;color:#64748B;font-size:15px}
    .cta-band{
      background:
        radial-gradient(circle at 12% 20%,rgba(37,99,235,.18),transparent 34%),
        linear-gradient(135deg,#EFF6FF 0%,#FFFFFF 54%,#F8F3E8 100%);
      border:1px solid rgba(148,163,184,.22);
      border-radius:34px;padding:38px;box-shadow:var(--shadow);
      display:flex;align-items:center;justify-content:space-between;gap:26px;
    }
    .footer{background:#0F172A;color:#CBD5E1;padding:58px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:36px}
    .footer a{color:#CBD5E1;transition:.2s ease}
    .footer a:hover{color:#fff}
    .footer-chip{display:inline-flex;margin:0 8px 8px 0;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);font-size:13px}
    .copyright{border-top:1px solid rgba(255,255,255,.10);margin-top:34px;padding-top:20px;color:#94A3B8;font-size:14px}
    .hide-scrollbar{scrollbar-width:none}
    .hide-scrollbar::-webkit-scrollbar{display:none}
    @media (max-width:1024px){
      .site-container{padding:0 24px}
      .nav-inner{flex-wrap:wrap;padding:14px 0}
      .nav-chips{order:3;width:100%;overflow:auto;justify-content:flex-start;border-radius:18px}
      .pain-grid,.process-grid,.topic-layout{grid-template-columns:1fr}
      .value-grid{grid-template-columns:1fr 1fr}
      .value-card:nth-child(even){margin-top:0}
      .section-pad{padding:78px 0}
    }
    @media (max-width:768px){
      .site-container{padding:0 20px}
      .hero{padding:56px 0 30px}
      .hero .grid{gap:34px}
      .lead{font-size:16px}
      .info-strip{grid-template-columns:1fr}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .faq-grid,.quote-grid,.footer-grid{grid-template-columns:1fr}
      .small-topic{grid-template-columns:88px 1fr}
      .small-topic img{width:88px;height:82px}
      .cta-band{display:block;padding:28px}
      .cta-band .btn{width:100%;margin-top:12px}
      .btn-group-mobile{display:grid;grid-template-columns:1fr;gap:12px}
    }
    @media (max-width:520px){
      .brand-logo span:last-child{font-size:15px}
      .brand-mark{width:38px;height:38px}
      .nav-inner{gap:12px}
      .nav-inner > .btn{padding:0 14px;font-size:14px}
      .nav-chip{padding:0 13px}
      .section-pad{padding:62px 0}
      .section-pad-sm{padding:52px 0}
      .panel{margin:-58px 14px 14px;padding:16px}
      .value-grid{grid-template-columns:1fr}
      .solution-wrap{padding:22px}
      .solution-wrap:before{left:30px}
      .step-card{margin-left:30px}
      .step-badge{left:-54px}
    }

/* roulang page: category1 */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --accent:#C8A96A;
      --accent-soft:#F8F3E8;
      --bg:#F7FAFC;
      --bg-2:#F8FBFF;
      --text:#1F2937;
      --muted:#64748B;
      --line:#E2E8F0;
      --deep:#0F172A;
      --card:#FFFFFF;
      --shadow:0 18px 45px rgba(15,23,42,.08);
      --shadow-hover:0 24px 60px rgba(37,99,235,.15);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 6%, rgba(37,99,235,.12), transparent 28%),
        radial-gradient(circle at 88% 14%, rgba(200,169,106,.18), transparent 26%),
        linear-gradient(180deg,#F8FBFF 0%,#FFFFFF 42%,#F7FAFC 100%);
      line-height:1.8;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(37,99,235,.16)}
    .site-container{width:min(1200px,calc(100% - 40px));margin:0 auto}
    .hide-scrollbar{scrollbar-width:none;-ms-overflow-style:none}
    .hide-scrollbar::-webkit-scrollbar{display:none}
    .nav-shell{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.96);
      border-bottom:1px solid rgba(226,232,240,.9);
      box-shadow:0 10px 32px rgba(15,23,42,.05);
      backdrop-filter:saturate(120%) blur(10px);
    }
    .nav-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand-logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:850;
      letter-spacing:-.02em;
      color:#0F172A;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;height:38px;
      display:inline-grid;place-items:center;
      border-radius:14px;
      color:#fff;
      background:linear-gradient(135deg,#2563EB 0%,#1D4ED8 64%,#C8A96A 165%);
      box-shadow:0 14px 30px rgba(37,99,235,.22);
      font-weight:900;
    }
    .nav-chips{
      display:flex;
      align-items:center;
      gap:8px;
      padding:8px;
      border:1px solid rgba(148,163,184,.22);
      border-radius:999px;
      background:#F8FBFF;
      overflow-x:auto;
      max-width:100%;
    }
    .nav-chip{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 16px;
      border-radius:999px;
      color:#475569;
      font-weight:700;
      font-size:14px;
      white-space:nowrap;
      transition:.22s ease;
    }
    .nav-chip:hover{background:#EFF6FF;color:var(--primary);transform:translateY(-1px)}
    .nav-chip.active{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(37,99,235,.22)}
    .btn{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:0 20px;
      border-radius:999px;
      font-weight:800;
      font-size:15px;
      border:1px solid transparent;
      transition:.22s ease;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn:focus-visible,.nav-chip:focus-visible,.brand-logo:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:2px solid rgba(37,99,235,.8);
      outline-offset:3px;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 16px 30px rgba(37,99,235,.22)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-secondary{background:#fff;color:#1D4ED8;border-color:rgba(37,99,235,.22)}
    .btn-secondary:hover{background:#EFF6FF;transform:translateY(-2px);border-color:rgba(37,99,235,.42)}
    .hero{
      position:relative;
      padding:64px 0 36px;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background-image:
        linear-gradient(rgba(37,99,235,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.045) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 88%);
      pointer-events:none;
    }
    .crumb{
      display:flex;gap:8px;align-items:center;flex-wrap:wrap;
      color:#64748B;font-size:14px;font-weight:700;
      margin-bottom:22px;
      position:relative;
    }
    .crumb a:hover{color:var(--primary)}
    .hero-card{
      position:relative;
      border:1px solid rgba(148,163,184,.22);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-media{
      min-height:330px;
      background:
        linear-gradient(90deg, rgba(15,23,42,.72), rgba(37,99,235,.32)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:#EFF6FF;
      color:#1D4ED8;
      font-size:14px;
      font-weight:850;
      border:1px solid rgba(37,99,235,.14);
    }
    .badge{
      display:inline-flex;align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(148,163,184,.22);
      background:#fff;
      color:#475569;
      font-size:14px;
      font-weight:750;
      white-space:nowrap;
    }
    .badge-blue{background:#EFF6FF;color:#1D4ED8;border-color:rgba(37,99,235,.16)}
    .badge-gold{background:var(--accent-soft);color:#876B2C;border-color:rgba(200,169,106,.28)}
    .section{padding:74px 0}
    .section-tight{padding:48px 0}
    .section-title{font-size:clamp(28px,4vw,42px);line-height:1.18;font-weight:900;letter-spacing:-.04em;color:#0F172A}
    .section-lead{color:#64748B;font-size:17px;line-height:1.85;max-width:760px}
    .filter-bar{
      display:flex;gap:10px;overflow-x:auto;
      padding:10px;
      background:#fff;
      border:1px solid rgba(148,163,184,.2);
      border-radius:999px;
      box-shadow:0 14px 36px rgba(15,23,42,.05);
    }
    .filter-chip{
      flex:0 0 auto;
      display:inline-flex;align-items:center;justify-content:center;
      min-height:40px;padding:0 16px;
      border-radius:999px;
      font-size:14px;font-weight:800;
      color:#475569;background:#F8FAFC;
      border:1px solid rgba(226,232,240,.9);
      transition:.22s ease;
    }
    .filter-chip:hover,.filter-chip.active{background:#2563EB;color:#fff;border-color:#2563EB}
    .content-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:28px;
      align-items:start;
    }
    .topic-list{display:grid;gap:18px}
    .topic-card{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1fr) 180px;
      gap:22px;
      padding:22px;
      border:1px solid rgba(148,163,184,.22);
      border-radius:var(--radius-md);
      background:#fff;
      box-shadow:0 12px 30px rgba(15,23,42,.045);
      transition:.24s ease;
      overflow:hidden;
    }
    .topic-card:hover{transform:translateY(-4px);border-color:rgba(37,99,235,.32);box-shadow:var(--shadow-hover)}
    .topic-card:before{
      content:"";
      position:absolute;left:0;top:18px;bottom:18px;width:4px;
      border-radius:99px;
      background:linear-gradient(180deg,#2563EB,#C8A96A);
      opacity:.85;
    }
    .topic-thumb{
      aspect-ratio:4/3;
      border-radius:18px;
      overflow:hidden;
      background:#EFF6FF;
      border:1px solid rgba(148,163,184,.18);
    }
    .topic-thumb img{width:100%;height:100%;object-fit:cover;transition:.3s ease}
    .topic-card:hover .topic-thumb img{transform:scale(1.04)}
    .meta{font-size:14px;color:#64748B;font-weight:700}
    .notice{
      border:1px solid rgba(200,169,106,.32);
      background:linear-gradient(135deg,#FFF8EA 0%,#FFFFFF 78%);
      border-radius:24px;
      padding:24px;
      box-shadow:0 16px 36px rgba(200,169,106,.12);
    }
    .sidebar{
      position:sticky;
      top:100px;
      display:grid;
      gap:18px;
    }
    .side-card{
      background:#fff;
      border:1px solid rgba(148,163,184,.22);
      border-radius:24px;
      padding:22px;
      box-shadow:0 14px 34px rgba(15,23,42,.055);
    }
    .check-list{display:grid;gap:12px;margin-top:16px}
    .check-list li{
      display:grid;
      grid-template-columns:26px 1fr;
      gap:10px;
      color:#334155;
      font-size:15px;
      line-height:1.7;
    }
    .check-dot{
      width:26px;height:26px;border-radius:999px;
      display:grid;place-items:center;
      color:#fff;background:#0F766E;
      font-size:13px;font-weight:900;
      margin-top:2px;
    }
    .keyword-wrap{display:flex;gap:8px;flex-wrap:wrap}
    .mini-stat{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .stat-box{
      background:#F8FBFF;
      border:1px solid rgba(148,163,184,.18);
      border-radius:18px;
      padding:16px;
      text-align:center;
    }
    .faq-list{display:grid;gap:14px}
    details{
      background:#fff;
      border:1px solid rgba(148,163,184,.22);
      border-radius:20px;
      box-shadow:0 10px 28px rgba(15,23,42,.04);
      overflow:hidden;
    }
    summary{
      cursor:pointer;
      list-style:none;
      padding:18px 20px;
      font-weight:850;
      color:#0F172A;
      display:flex;
      justify-content:space-between;
      gap:18px;
      transition:.2s ease;
    }
    summary::-webkit-details-marker{display:none}
    summary:hover{background:#EFF6FF}
    summary:after{content:"+";color:#2563EB;font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{padding:0 20px 20px;margin:0;color:#475569;line-height:1.85}
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:30px;
      padding:34px;
      background:
        linear-gradient(135deg, rgba(37,99,235,.12), rgba(248,243,232,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border:1px solid rgba(37,99,235,.14);
      box-shadow:var(--shadow);
    }
    .cta-panel:before{
      content:"";
      position:absolute;inset:0;
      background:rgba(255,255,255,.74);
    }
    .cta-panel>*{position:relative}
    .form-card input,.form-card textarea{
      width:100%;
      border:1px solid rgba(148,163,184,.35);
      background:#fff;
      border-radius:14px;
      padding:12px 14px;
      color:#1F2937;
      transition:.2s ease;
    }
    .form-card input:focus,.form-card textarea:focus{
      border-color:rgba(37,99,235,.65);
      box-shadow:0 0 0 4px rgba(37,99,235,.10);
      outline:none;
    }
    .footer{
      background:#0F172A;
      color:#CBD5E1;
      padding:62px 0 28px;
      margin-top:70px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr .8fr 1fr;
      gap:36px;
      align-items:start;
    }
    .footer a{color:#CBD5E1;transition:.2s ease}
    .footer a:hover{color:#fff;transform:translateX(2px)}
    .footer-chip{
      display:inline-flex;
      margin:0 8px 8px 0;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#E2E8F0;
      border:1px solid rgba(255,255,255,.08);
      font-size:13px;
      font-weight:700;
    }
    .copyright{
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      color:#94A3B8;
      font-size:14px;
    }
    @media (max-width:1024px){
      .nav-inner{flex-wrap:wrap;padding:14px 0}
      .nav-chips{order:3;width:100%}
      .content-grid{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 32px,1200px)}
      .hero{padding:42px 0 22px}
      .hero-media{min-height:250px}
      .section{padding:54px 0}
      .topic-card{grid-template-columns:1fr}
      .topic-thumb{max-height:220px}
      .sidebar{grid-template-columns:1fr}
      .mini-stat{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand-logo{font-size:15px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .nav-inner>.btn{width:100%}
      .btn{width:100%;min-height:48px}
      .filter-bar{border-radius:22px}
      .cta-panel{padding:24px}
      summary{padding:16px}
      details p{padding:0 16px 16px}
    }