/* roulang page: index */
:root{
      --green-950:#071f1a;
      --green-900:#0d2d25;
      --green-800:#12382f;
      --green-700:#17483d;
      --green-100:#e6f4ee;
      --mint:#31d6a0;
      --mint-soft:#dffaf0;
      --gold:#d6a84f;
      --gold-soft:#fff3d8;
      --sand:#f6f3ea;
      --paper:#ffffff;
      --paper-warm:#fcfaf3;
      --text:#26332f;
      --muted:#66736e;
      --weak:#8a948f;
      --danger:#d86b4a;
      --danger-soft:#fff0ea;
      --border:rgba(18,56,47,.14);
      --shadow:0 18px 45px rgba(18,56,47,.10);
      --shadow-hover:0 24px 60px rgba(18,56,47,.16);
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      background:var(--sand);
      color:var(--text);
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:none}
    ::selection{background:var(--mint);color:var(--green-950)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .skip-link{position:absolute;left:-999px;top:10px;background:var(--mint);color:var(--green-950);padding:10px 14px;border-radius:10px;z-index:100}
    .skip-link:focus{left:12px}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(246,243,234,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid var(--border);
    }
    .nav{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:230px;
      font-weight:800;
      color:var(--green-900);
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--green-800),var(--mint));
      display:grid;place-items:center;
      color:#fff;
      box-shadow:0 10px 24px rgba(49,214,160,.24);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:before{content:"";position:absolute;inset:8px;border:1px solid rgba(255,255,255,.45);border-radius:10px}
    .brand-text{display:flex;flex-direction:column;line-height:1.25}
    .brand-text strong{font-size:17px}
    .brand-text span{font-size:12px;color:var(--muted);font-weight:650}
    .nav-links{display:flex;align-items:center;gap:10px}
    .nav-links a{
      position:relative;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      transition:var(--ease);
    }
    .nav-links a:hover,.nav-links a:focus{color:var(--green-900);background:var(--green-100);outline:none}
    .nav-links a.active{color:var(--green-950);background:var(--mint-soft)}
    .nav-links a.active:after{
      content:"";
      position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
      width:18px;height:3px;border-radius:99px;background:var(--mint);
    }
    .nav-cta{
      padding:11px 18px;border-radius:999px;
      background:var(--green-800);color:#fff;font-weight:800;
      border:1px solid rgba(49,214,160,.45);
      box-shadow:0 12px 24px rgba(18,56,47,.14);
      transition:var(--ease);
      white-space:nowrap;
    }
    .nav-cta:hover{transform:translateY(-2px);background:var(--green-950)}
    .menu-toggle{display:none}
    .hamburger{
      display:none;width:44px;height:44px;border-radius:14px;
      background:var(--paper);border:1px solid var(--border);
      align-items:center;justify-content:center;gap:4px;flex-direction:column;
    }
    .hamburger span{width:20px;height:2px;background:var(--green-900);border-radius:99px;transition:var(--ease)}
    .hero{
      position:relative;
      min-height:690px;
      display:flex;
      align-items:center;
      overflow:hidden;
      background:
        linear-gradient(115deg,rgba(7,31,26,.94),rgba(18,56,47,.82) 52%,rgba(18,56,47,.64)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color:#fff;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background-image:
        linear-gradient(90deg,rgba(49,214,160,.08) 1px,transparent 1px),
        linear-gradient(0deg,rgba(49,214,160,.06) 1px,transparent 1px);
      background-size:52px 52px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent);
    }
    .hero:after{
      content:"";
      position:absolute;right:-120px;bottom:-180px;
      width:560px;height:560px;border-radius:50%;
      background:radial-gradient(circle,rgba(49,214,160,.28),transparent 66%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;z-index:2;
      width:min(var(--container),calc(100% - 40px));
      margin:0 auto;
      padding:78px 0 54px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:42px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;
      padding:8px 12px;border-radius:999px;
      color:#dffaf0;
      background:rgba(49,214,160,.12);
      border:1px solid rgba(49,214,160,.32);
      font-weight:800;
      font-size:14px;
      margin-bottom:18px;
    }
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 6px rgba(49,214,160,.12)}
    h1{
      font-size:clamp(32px,5vw,56px);
      line-height:1.13;
      letter-spacing:-.045em;
      margin-bottom:22px;
      max-width:820px;
    }
    .hero-lead{
      font-size:18px;
      color:rgba(255,255,255,.82);
      max-width:760px;
      margin-bottom:30px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:12px 20px;border-radius:999px;
      font-weight:850;
      transition:var(--ease);
      border:1px solid transparent;
    }
    .btn-primary{background:var(--mint);color:var(--green-950);box-shadow:0 14px 28px rgba(49,214,160,.24)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(49,214,160,.32)}
    .btn-primary:hover .arrow{transform:translateX(3px)}
    .btn-secondary{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.26)}
    .btn-secondary:hover{background:rgba(255,255,255,.14);border-color:var(--mint);transform:translateY(-2px)}
    .arrow{transition:var(--ease)}
    .hero-notes{
      display:flex;flex-wrap:wrap;gap:10px;
      color:rgba(255,255,255,.82);
      font-size:14px;
    }
    .hero-notes span{
      padding:7px 10px;border-radius:10px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .score-panel{
      position:relative;
      background:rgba(252,250,243,.94);
      color:var(--text);
      border:1px solid rgba(49,214,160,.28);
      border-radius:30px;
      padding:24px;
      box-shadow:0 30px 80px rgba(0,0,0,.28);
    }
    .score-panel:before{
      content:"";
      position:absolute;left:28px;right:28px;top:-1px;height:4px;border-radius:0 0 999px 999px;
      background:linear-gradient(90deg,var(--gold),var(--mint));
    }
    .panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}
    .panel-title strong{display:block;font-size:22px;color:var(--green-900);line-height:1.25}
    .panel-title span{font-size:13px;color:var(--muted)}
    .live-badge{padding:7px 10px;border-radius:999px;background:var(--gold-soft);color:#7b5616;font-weight:850;font-size:13px}
    .score-lines{display:grid;gap:12px}
    .score-line{
      display:grid;grid-template-columns:78px 1fr auto;gap:12px;align-items:center;
      padding:14px;border-radius:16px;
      background:#fff;border:1px solid var(--border);
    }
    .score-year{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--gold);font-weight:900;font-size:18px}
    .score-line strong{color:var(--green-900)}
    .score-line small{display:block;color:var(--muted);font-size:13px}
    .score-tag{padding:6px 9px;border-radius:10px;background:var(--mint-soft);color:var(--green-800);font-weight:800;font-size:12px;white-space:nowrap}
    .risk-card{
      margin-top:14px;
      padding:16px;border-radius:18px;
      background:var(--danger-soft);
      border:1px solid rgba(216,107,74,.22);
      color:#744033;
      font-size:14px;
    }
    .data-strip{
      position:relative;
      margin-top:-45px;
      z-index:4;
    }
    .strip-wrap{
      display:grid;grid-template-columns:repeat(5,1fr);
      background:var(--paper);
      border:1px solid var(--border);
      border-radius:24px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .strip-item{padding:22px 20px;border-right:1px solid var(--border)}
    .strip-item:last-child{border-right:none}
    .strip-item b{display:block;font-size:24px;color:var(--green-900);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
    .strip-item span{color:var(--muted);font-size:14px}
    main{overflow:hidden}
    .section{padding:84px 0}
    .section.alt{background:#f0eadb}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
      margin-bottom:32px;
    }
    .section-kicker{
      color:var(--green-700);
      font-weight:900;
      letter-spacing:.03em;
      margin-bottom:7px;
    }
    h2{font-size:clamp(26px,3vw,38px);line-height:1.22;color:var(--green-950);letter-spacing:-.03em}
    .section-desc{max-width:600px;color:var(--muted)}
    .topic-grid{
      display:grid;
      grid-template-columns:1.35fr .85fr;
      gap:24px;
    }
    .feature-card,.mini-card,.article-main,.article-item,.standard-card,.step-card,.faq-item,.form-card{
      background:var(--paper-warm);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      transition:var(--ease);
      overflow:hidden;
    }
    .feature-card:hover,.mini-card:hover,.article-main:hover,.article-item:hover,.standard-card:hover,.step-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(49,214,160,.36);
    }
    .feature-card{display:grid;grid-template-columns:.92fr 1.08fr;min-height:430px}
    .feature-media{position:relative;overflow:hidden}
    .feature-media img{width:100%;height:100%;object-fit:cover;transition:var(--ease)}
    .feature-card:hover .feature-media img{transform:scale(1.035)}
    .image-tag{
      position:absolute;left:18px;top:18px;
      padding:7px 10px;border-radius:999px;
      background:rgba(7,31,26,.76);
      color:#fff;font-size:13px;font-weight:850;
    }
    .feature-body{padding:30px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
    .tags{display:flex;gap:8px;flex-wrap:wrap}
    .tag{
      display:inline-flex;align-items:center;
      padding:6px 10px;border-radius:999px;
      background:var(--green-100);color:var(--green-800);
      font-size:13px;font-weight:800;
    }
    .tag.gold{background:var(--gold-soft);color:#785412}
    .tag.risk{background:var(--danger-soft);color:#8a3f2f}
    .feature-body h3,.mini-card h3,.article-main h3,.article-item h3{font-size:24px;line-height:1.35;color:var(--green-950);margin:14px 0 10px}
    .feature-body p,.mini-card p,.article-main p,.article-item p,.standard-card p,.step-card p{color:var(--muted)}
    .mini-stack{display:grid;gap:24px}
    .mini-card{padding:26px}
    .mini-number{width:40px;height:40px;border-radius:14px;background:var(--green-800);color:var(--mint);display:grid;place-items:center;font-weight:950;margin-bottom:14px}
    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      counter-reset:steps;
    }
    .step-card{padding:24px;position:relative}
    .step-card:before{
      counter-increment:steps;
      content:"0" counter(steps);
      display:inline-flex;width:44px;height:44px;border-radius:16px;
      align-items:center;justify-content:center;
      background:var(--green-800);color:var(--mint);font-weight:950;
      margin-bottom:16px;
      font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    }
    .step-card h3{font-size:20px;color:var(--green-950);margin-bottom:8px}
    .standards-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .standard-card{padding:22px;background:#fff}
    .standard-icon{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      background:var(--mint-soft);
      color:var(--green-900);
      font-weight:950;
      margin-bottom:14px;
    }
    .standard-card h3{font-size:19px;color:var(--green-950);margin-bottom:6px}
    .article-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:stretch;
    }
    .article-main{background:#fff}
    .article-main img{height:280px;width:100%;object-fit:cover}
    .article-main .article-body{padding:26px}
    .article-list{display:grid;gap:16px}
    .article-item{
      display:grid;
      grid-template-columns:150px 1fr;
      background:#fff;
    }
    .article-item img{height:100%;min-height:164px;width:100%;object-fit:cover}
    .article-body{padding:20px}
    .meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--weak);font-size:13px;margin-top:14px}
    .text-link{
      display:inline-flex;align-items:center;gap:7px;margin-top:16px;
      color:var(--green-800);font-weight:900;
    }
    .text-link:hover{color:#0b8d68}
    .proof-band{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .proof{
      padding:24px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,var(--green-800),var(--green-950));
      color:#fff;
      box-shadow:var(--shadow);
    }
    .proof b{display:block;font-size:34px;color:var(--mint);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
    .proof span{color:rgba(255,255,255,.78)}
    .faq-list{display:grid;gap:14px}
    .faq-item{background:#fff;overflow:hidden}
    .faq-question{
      width:100%;
      padding:20px 22px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      background:#fff;
      color:var(--green-950);
      font-weight:900;
    }
    .faq-question:hover,.faq-question:focus{background:var(--green-100);outline:none}
    .faq-answer{
      padding:0 22px 20px 22px;
      color:var(--muted);
      border-left:4px solid var(--mint);
      margin:0 22px 22px;
    }
    .faq-answer ul{margin-left:20px;margin-top:8px}
    .cta-section{
      padding:84px 0;
      background:
        linear-gradient(135deg,rgba(18,56,47,.95),rgba(7,31,26,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
    }
    .cta-grid{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:30px;
      align-items:center;
    }
    .cta-section h2{color:#fff}
    .cta-section p{color:rgba(255,255,255,.78);margin-top:12px}
    .form-card{padding:26px;background:rgba(252,250,243,.97)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-weight:800;color:var(--green-950);font-size:14px}
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid var(--border);
      border-radius:14px;
      padding:12px 13px;
      background:#fff;
      color:var(--text);
      transition:var(--ease);
    }
    .field textarea{min-height:96px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      outline:none;border-color:var(--mint);
      box-shadow:0 0 0 4px rgba(49,214,160,.14);
    }
    .form-help{font-size:13px;color:var(--muted);margin:12px 0 16px}
    .site-footer{
      background:var(--green-950);
      color:rgba(255,255,255,.76);
      padding:58px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .75fr .95fr 1fr;
      gap:28px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand strong{display:block;color:#fff;font-size:20px;margin-bottom:10px}
    .footer-title{color:#fff;font-weight:900;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.72);transition:var(--ease)}
    .footer-links a:hover{color:var(--mint);transform:translateX(3px)}
    .footer-tags{display:flex;flex-wrap:wrap;gap:8px}
    .footer-tags span{padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.76);font-size:13px}
    .footer-bottom{
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      padding-top:22px;
      font-size:13px;
      color:rgba(255,255,255,.58);
    }
    @media (max-width:1024px){
      .hero-grid,.topic-grid,.article-layout,.cta-grid{grid-template-columns:1fr}
      .strip-wrap{grid-template-columns:repeat(5,220px);overflow-x:auto}
      .steps{grid-template-columns:repeat(2,1fr)}
      .standards-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .nav-cta{display:none}
    }
    @media (max-width:768px){
      .container,.hero-inner{width:min(100% - 28px,var(--container))}
      .nav{height:68px}
      .brand{min-width:auto}
      .brand-text span{display:none}
      .hamburger{display:flex}
      .nav-links{
        position:absolute;left:14px;right:14px;top:72px;
        display:none;flex-direction:column;align-items:stretch;
        background:var(--paper);
        border:1px solid var(--border);
        border-radius:20px;
        padding:12px;
        box-shadow:var(--shadow);
      }
      .menu-toggle:checked ~ .nav-links{display:flex}
      .menu-toggle:checked + .hamburger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
      .menu-toggle:checked + .hamburger span:nth-child(2){opacity:0}
      .menu-toggle:checked + .hamburger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
      .hero{min-height:auto}
      .hero-inner{padding:56px 0 82px}
      .score-line{grid-template-columns:1fr;gap:5px}
      .data-strip{margin-top:-34px}
      .section{padding:58px 0}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .feature-card{grid-template-columns:1fr}
      .feature-media{min-height:230px}
      .steps,.standards-grid,.proof-band{grid-template-columns:1fr}
      .article-item{grid-template-columns:1fr}
      .article-item img{height:210px}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .hero-actions .btn{width:100%}
      .strip-item{padding:18px}
      .feature-body,.mini-card,.article-body,.form-card{padding:20px}
      h1{font-size:32px}
      .score-panel{padding:18px;border-radius:24px}
    }

/* roulang page: category1 */
:root {
      --green-950: #09221d;
      --green-900: #12382f;
      --green-800: #17483d;
      --green-700: #1d5c4d;
      --mint: #31d6a0;
      --mint-soft: #e6fbf3;
      --gold: #d6a84f;
      --gold-soft: #fbf2dd;
      --sand: #f6f3ea;
      --sand-2: #fcfaf3;
      --white: #ffffff;
      --text: #26332f;
      --muted: #66736e;
      --weak: #8a948f;
      --danger: #d86b4a;
      --danger-soft: #fff1eb;
      --border: rgba(18, 56, 47, .13);
      --border-strong: rgba(18, 56, 47, .22);
      --shadow: 0 18px 45px rgba(18, 56, 47, .10);
      --shadow-soft: 0 12px 30px rgba(18, 56, 47, .08);
      --radius-xl: 28px;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --container: 1200px;
      --ease: all .24s ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background: radial-gradient(circle at 15% 0%, rgba(49, 214, 160, .12), transparent 32%),
                  linear-gradient(180deg, #f8f5ed 0%, var(--sand) 48%, #f2efe5 100%);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--ease);
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    ::selection {
      background: rgba(49, 214, 160, .28);
      color: var(--green-950);
    }

    .container {
      width: min(calc(100% - 40px), var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(246, 243, 234, .96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 800;
      color: var(--green-950);
      letter-spacing: -.02em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--green-900), var(--green-700));
      position: relative;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.16), 0 10px 24px rgba(18,56,47,.18);
      flex: 0 0 auto;
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      inset: 9px;
      border: 2px solid var(--mint);
      border-radius: 10px;
      transform: skew(-8deg);
    }

    .brand-mark::after {
      content: "LOL";
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      color: var(--gold);
      font-size: 10px;
      font-weight: 900;
      letter-spacing: .08em;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.18;
    }

    .brand-text strong {
      font-size: 18px;
      white-space: nowrap;
    }

    .brand-text span {
      font-size: 12px;
      color: var(--muted);
      font-weight: 650;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .62);
      border: 1px solid rgba(18, 56, 47, .09);
    }

    .nav-links a {
      position: relative;
      padding: 10px 16px;
      border-radius: 999px;
      color: var(--muted);
      font-weight: 700;
      font-size: 14px;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--green-900);
      background: rgba(49, 214, 160, .12);
    }

    .nav-links a.active {
      color: var(--green-950);
      background: var(--mint-soft);
      box-shadow: inset 0 0 0 1px rgba(49, 214, 160, .34);
    }

    .nav-links a.active::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 5px;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--mint);
      transform: translateX(-50%);
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 18px;
      border-radius: 999px;
      color: var(--green-950);
      background: linear-gradient(135deg, var(--mint), #b8f5dd);
      font-weight: 800;
      box-shadow: 0 12px 26px rgba(49,214,160,.22);
      white-space: nowrap;
    }

    .header-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(49,214,160,.3);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--green-900);
      color: var(--mint);
      align-items: center;
      justify-content: center;
      font-weight: 900;
    }

    .category-hero {
      position: relative;
      isolation: isolate;
      padding: 74px 0 48px;
      overflow: hidden;
      background:
        linear-gradient(105deg, rgba(9,34,29,.92) 0%, rgba(18,56,47,.86) 48%, rgba(18,56,47,.65) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      color: #fff;
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background-image:
        linear-gradient(120deg, rgba(49,214,160,.12) 1px, transparent 1px),
        linear-gradient(30deg, rgba(214,168,79,.10) 1px, transparent 1px);
      background-size: 72px 72px, 110px 110px;
      opacity: .62;
    }

    .hero-shell {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
      gap: 36px;
      align-items: end;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: #dffdf2;
      background: rgba(49, 214, 160, .14);
      border: 1px solid rgba(49, 214, 160, .32);
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--mint);
      box-shadow: 0 0 0 4px rgba(49,214,160,.15);
    }

    h1 {
      font-size: clamp(32px, 5vw, 52px);
      line-height: 1.16;
      letter-spacing: -.04em;
      max-width: 820px;
      font-weight: 850;
      margin-bottom: 18px;
    }

    .hero-lead {
      max-width: 760px;
      color: rgba(255,255,255,.82);
      font-size: 17px;
      line-height: 1.9;
    }

    .hero-actions {
      margin-top: 28px;
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      align-items: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 800;
      border: 1px solid transparent;
      transition: var(--ease);
    }

    .btn-primary {
      background: var(--mint);
      color: var(--green-950);
      box-shadow: 0 16px 28px rgba(49,214,160,.23);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      background: #64e7bc;
      box-shadow: 0 20px 36px rgba(49,214,160,.34);
    }

    .btn-secondary {
      background: rgba(255,255,255,.08);
      color: #fff;
      border-color: rgba(255,255,255,.22);
    }

    .btn-secondary:hover {
      border-color: rgba(49,214,160,.8);
      background: rgba(49,214,160,.12);
    }

    .search-panel {
      background: rgba(252,250,243,.96);
      color: var(--text);
      border: 1px solid rgba(255,255,255,.35);
      border-radius: var(--radius-xl);
      padding: 22px;
      box-shadow: 0 24px 60px rgba(0,0,0,.22);
    }

    .search-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 16px;
    }

    .search-title strong {
      font-size: 20px;
      color: var(--green-950);
    }

    .search-title span {
      color: var(--gold);
      font-weight: 900;
      font-variant-numeric: tabular-nums;
    }

    .search-box {
      display: flex;
      gap: 10px;
      padding: 8px;
      border-radius: 18px;
      background: var(--white);
      border: 1px solid var(--border);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.85);
    }

    .search-box input {
      min-width: 0;
      flex: 1;
      border: 0;
      outline: 0;
      padding: 11px 10px;
      color: var(--text);
      background: transparent;
    }

    .search-box:focus-within {
      border-color: rgba(49,214,160,.75);
      box-shadow: 0 0 0 4px rgba(49,214,160,.14);
    }

    .search-box button {
      padding: 10px 15px;
      border-radius: 13px;
      background: var(--green-900);
      color: #fff;
      font-weight: 800;
      transition: var(--ease);
    }

    .search-box button:hover {
      background: var(--green-700);
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 16px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 11px;
      border-radius: 999px;
      background: rgba(18,56,47,.06);
      border: 1px solid rgba(18,56,47,.1);
      color: var(--muted);
      font-size: 13px;
      font-weight: 750;
      transition: var(--ease);
    }

    .tag:hover,
    .tag.active {
      color: var(--green-950);
      background: var(--mint-soft);
      border-color: rgba(49,214,160,.45);
      transform: translateY(-1px);
    }

    main {
      position: relative;
    }

    .section {
      padding: 74px 0;
    }

    .section.compact {
      padding: 54px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--green-700);
      font-weight: 850;
      font-size: 13px;
      letter-spacing: .04em;
      margin-bottom: 8px;
    }

    .section-kicker::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--mint);
      border-radius: 99px;
    }

    h2 {
      font-size: clamp(26px, 3.2vw, 36px);
      line-height: 1.25;
      letter-spacing: -.03em;
      color: var(--green-950);
      font-weight: 850;
    }

    .section-desc {
      max-width: 620px;
      color: var(--muted);
      line-height: 1.85;
    }

    .topic-card {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
      gap: 0;
      overflow: hidden;
      border-radius: var(--radius-xl);
      background: var(--white);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .topic-media {
      min-height: 340px;
      position: relative;
      overflow: hidden;
      background: var(--green-900);
    }

    .topic-media img {
      width: 100%;
      height: 100%;
      min-height: 340px;
      object-fit: cover;
      transition: transform .45s ease;
      opacity: .88;
    }

    .topic-card:hover .topic-media img {
      transform: scale(1.035);
    }

    .topic-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent, rgba(9,34,29,.72));
    }

    .media-badges {
      position: absolute;
      left: 20px;
      bottom: 20px;
      z-index: 2;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 7px 10px;
      border-radius: 10px;
      font-size: 12px;
      font-weight: 850;
      border: 1px solid rgba(255,255,255,.22);
      background: rgba(9,34,29,.68);
      color: #fff;
    }

    .badge.gold {
      color: var(--green-950);
      background: var(--gold);
      border-color: rgba(214,168,79,.45);
    }

    .topic-content {
      padding: 34px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .topic-content h3 {
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.28;
      color: var(--green-950);
      margin-bottom: 14px;
      letter-spacing: -.03em;
    }

    .topic-content p {
      color: var(--muted);
      margin-bottom: 20px;
    }

    .key-list {
      display: grid;
      gap: 12px;
      margin: 18px 0 24px;
      list-style: none;
    }

    .key-list li {
      position: relative;
      padding: 13px 14px 13px 42px;
      border-radius: 15px;
      background: var(--sand-2);
      border: 1px solid rgba(18,56,47,.08);
      color: var(--text);
      font-weight: 650;
    }

    .key-list li::before {
      content: "✓";
      position: absolute;
      left: 14px;
      top: 12px;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--mint-soft);
      color: var(--green-800);
      font-size: 12px;
      font-weight: 900;
    }

    .outline-btn {
      align-self: flex-start;
      border: 1px solid var(--border-strong);
      color: var(--green-950);
      background: transparent;
    }

    .outline-btn:hover {
      border-color: var(--mint);
      background: var(--mint-soft);
      transform: translateY(-2px);
    }

    .filter-wrap {
      padding: 18px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.66);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
      display: flex;
      gap: 12px;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 26px;
    }

    .filters {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .filter-btn {
      padding: 9px 13px;
      border-radius: 999px;
      border: 1px solid rgba(18,56,47,.12);
      background: var(--white);
      color: var(--muted);
      font-weight: 800;
      transition: var(--ease);
    }

    .filter-btn:hover,
    .filter-btn.active {
      background: var(--green-900);
      color: var(--mint);
      border-color: var(--green-900);
      transform: translateY(-1px);
    }

    .update-note {
      color: var(--weak);
      font-size: 14px;
      white-space: nowrap;
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 28px;
      align-items: start;
    }

    .article-list {
      display: grid;
      gap: 18px;
    }

    .article-card {
      display: grid;
      grid-template-columns: 230px minmax(0, 1fr);
      gap: 20px;
      padding: 18px;
      border-radius: var(--radius-lg);
      background: var(--white);
      border: 1px solid var(--border);
      box-shadow: 0 10px 26px rgba(18,56,47,.06);
      transition: var(--ease);
      position: relative;
      overflow: hidden;
    }

    .article-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 4px;
      height: 100%;
      background: transparent;
      transition: var(--ease);
    }

    .article-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
      border-color: rgba(49,214,160,.32);
    }

    .article-card:hover::before {
      background: var(--mint);
    }

    .article-thumb {
      border-radius: 16px;
      overflow: hidden;
      min-height: 154px;
      background: linear-gradient(135deg, var(--green-900), var(--green-700));
      position: relative;
    }

    .article-thumb img {
      width: 100%;
      height: 100%;
      min-height: 154px;
      object-fit: cover;
      transition: transform .35s ease;
    }

    .article-card:hover .article-thumb img {
      transform: scale(1.04);
    }

    .article-body {
      min-width: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .article-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      color: var(--weak);
      font-size: 13px;
      font-weight: 750;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      padding: 5px 9px;
      border-radius: 999px;
      background: var(--mint-soft);
      color: var(--green-800);
      font-size: 12px;
      font-weight: 850;
    }

    .pill.gold {
      background: var(--gold-soft);
      color: #7c5a11;
    }

    .article-body h3 {
      font-size: 22px;
      line-height: 1.35;
      color: var(--green-950);
      letter-spacing: -.02em;
    }

    .article-body h3 a:hover {
      color: var(--green-700);
    }

    .article-body p {
      color: var(--muted);
      line-height: 1.75;
    }

    .article-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-top: auto;
    }

    .article-tags span {
      color: var(--muted);
      font-size: 12px;
      padding: 5px 8px;
      border-radius: 8px;
      background: rgba(18,56,47,.05);
    }

    .sidebar {
      display: grid;
      gap: 18px;
      position: sticky;
      top: 98px;
    }

    .side-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 22px;
      box-shadow: 0 10px 26px rgba(18,56,47,.06);
    }

    .side-card h3 {
      color: var(--green-950);
      font-size: 19px;
      margin-bottom: 14px;
    }

    .keyword-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .keyword-cloud span {
      padding: 7px 9px;
      border-radius: 10px;
      background: var(--sand-2);
      border: 1px solid rgba(18,56,47,.08);
      color: var(--muted);
      font-weight: 750;
      font-size: 13px;
    }

    .check-list {
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-weight: 650;
    }

    .check-list li::before {
      content: "";
      width: 17px;
      height: 17px;
      margin-top: 5px;
      border-radius: 5px;
      background: var(--mint-soft);
      border: 1px solid rgba(49,214,160,.5);
      flex: 0 0 auto;
    }

    .risk-card {
      background: linear-gradient(180deg, var(--danger-soft), #fffaf6);
      border-color: rgba(216,107,74,.25);
    }

    .risk-card h3 {
      display: flex;
      align-items: center;
      gap: 9px;
    }

    .risk-card h3::before {
      content: "!";
      width: 24px;
      height: 24px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: var(--danger);
      color: #fff;
      font-size: 14px;
      font-weight: 900;
    }

    .risk-card p {
      color: #7f4b3e;
      line-height: 1.8;
    }

    .standards {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .standard-card {
      position: relative;
      padding: 22px;
      border-radius: var(--radius-lg);
      background: var(--white);
      border: 1px solid var(--border);
      box-shadow: 0 10px 26px rgba(18,56,47,.06);
      transition: var(--ease);
      overflow: hidden;
    }

    .standard-card::after {
      content: "";
      position: absolute;
      right: -36px;
      top: -36px;
      width: 86px;
      height: 86px;
      border-radius: 50%;
      background: rgba(49,214,160,.12);
    }

    .standard-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
      border-color: rgba(49,214,160,.3);
    }

    .standard-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: var(--green-900);
      color: var(--mint);
      display: grid;
      place-items: center;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .standard-card h3 {
      color: var(--green-950);
      font-size: 19px;
      margin-bottom: 8px;
    }

    .standard-card p {
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .pagination {
      margin-top: 24px;
      display: flex;
      justify-content: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .pagination a,
    .pagination span {
      min-width: 40px;
      height: 40px;
      padding: 0 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: var(--white);
      border: 1px solid var(--border);
      color: var(--muted);
      font-weight: 850;
    }

    .pagination span,
    .pagination a:hover {
      background: var(--green-900);
      color: var(--mint);
      border-color: var(--green-900);
    }

    .faq-section {
      background:
        radial-gradient(circle at 85% 15%, rgba(49,214,160,.11), transparent 26%),
        linear-gradient(180deg, rgba(255,255,255,.34), rgba(255,255,255,.08));
      border-top: 1px solid rgba(18,56,47,.08);
      border-bottom: 1px solid rgba(18,56,47,.08);
    }

    .faq-list {
      display: grid;
      gap: 14px;
      max-width: 940px;
      margin: 0 auto;
    }

    .faq-item {
      border-radius: var(--radius-lg);
      background: var(--white);
      border: 1px solid var(--border);
      box-shadow: 0 10px 26px rgba(18,56,47,.06);
      overflow: hidden;
      transition: var(--ease);
    }

    .faq-item:hover {
      border-color: rgba(49,214,160,.35);
    }

    .faq-item summary {
      cursor: pointer;
      list-style: none;
      padding: 20px 22px;
      color: var(--green-950);
      font-weight: 850;
      display: flex;
      justify-content: space-between;
      gap: 18px;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      color: var(--green-800);
      font-size: 22px;
      line-height: 1;
      transition: var(--ease);
    }

    .faq-item[open] summary::after {
      content: "−";
      color: var(--mint);
    }

    .faq-answer {
      padding: 0 22px 20px;
      color: var(--muted);
      border-left: 4px solid var(--mint);
      margin-left: 22px;
    }

    .faq-answer ul {
      margin: 8px 0 0 18px;
    }

    .cta-band {
      padding: 36px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(9,34,29,.94), rgba(18,72,61,.9)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      color: #fff;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: center;
      box-shadow: var(--shadow);
      overflow: hidden;
      position: relative;
    }

    .cta-band::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -80px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      border: 38px solid rgba(49,214,160,.08);
    }

    .cta-band h2 {
      color: #fff;
      margin-bottom: 10px;
    }

    .cta-band p {
      color: rgba(255,255,255,.78);
      max-width: 760px;
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      position: relative;
      z-index: 2;
    }

    .site-footer {
      background: var(--green-950);
      color: rgba(255,255,255,.78);
      padding: 54px 0 26px;
      margin-top: 72px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .7fr 1fr 1fr;
      gap: 30px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .footer-brand strong {
      display: block;
      color: #fff;
      font-size: 20px;
      margin-bottom: 10px;
    }

    .footer-brand p,
    .site-footer p {
      color: rgba(255,255,255,.68);
      line-height: 1.8;
      font-size: 14px;
    }

    .footer-title {
      color: var(--mint);
      font-weight: 850;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: rgba(255,255,255,.72);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--mint);
      transform: translateX(3px);
    }

    .footer-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .footer-tags span {
      color: rgba(255,255,255,.72);
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.1);
      padding: 6px 8px;
      border-radius: 9px;
      font-size: 12px;
    }

    .footer-bottom {
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: rgba(255,255,255,.54);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .header-inner {
        gap: 16px;
      }

      .brand-text span {
        display: none;
      }

      .nav-links a {
        padding: 10px 12px;
      }

      .header-cta {
        display: none;
      }

      .hero-shell,
      .topic-card,
      .content-layout,
      .cta-band {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
        grid-template-columns: repeat(3, 1fr);
      }

      .standards {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(calc(100% - 28px), var(--container));
      }

      .site-header {
        position: sticky;
      }

      .header-inner {
        min-height: 66px;
        flex-wrap: wrap;
        padding: 10px 0;
      }

      .brand-text strong {
        font-size: 16px;
      }

      .mobile-toggle {
        display: inline-flex;
        margin-left: auto;
      }

      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
        border-radius: 16px;
        padding: 8px;
      }

      .nav-links a {
        flex: 0 0 auto;
      }

      .category-hero {
        padding: 48px 0 34px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .search-panel {
        padding: 18px;
      }

      .search-box {
        flex-direction: column;
      }

      .search-box button {
        width: 100%;
      }

      .section {
        padding: 52px 0;
      }

      .section.compact {
        padding: 40px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 10px;
      }

      .topic-content {
        padding: 24px;
      }

      .filter-wrap {
        align-items: flex-start;
        flex-direction: column;
      }

      .filters {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
      }

      .filter-btn {
        flex: 0 0 auto;
      }

      .update-note {
        white-space: normal;
      }

      .article-card {
        grid-template-columns: 1fr;
      }

      .article-thumb,
      .article-thumb img {
        min-height: 210px;
      }

      .sidebar {
        grid-template-columns: 1fr;
      }

      .standards {
        grid-template-columns: 1fr;
      }

      .cta-band {
        padding: 26px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
      }

      .brand-text strong {
        max-width: 210px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .hero-shell {
        gap: 24px;
      }

      .tag-cloud {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 5px;
      }

      .tag {
        flex: 0 0 auto;
      }

      .topic-media,
      .topic-media img {
        min-height: 250px;
      }

      .article-body h3 {
        font-size: 20px;
      }

      .faq-item summary {
        padding: 18px;
      }

      .faq-answer {
        margin-left: 18px;
        padding-right: 18px;
      }
    }