/* roulang page: index */
:root{
      --green:#16A34A;
      --green-2:#22C55E;
      --green-dark:#0F6B35;
      --mint:#ECFDF5;
      --mint-2:#D1FAE5;
      --ink:#10251A;
      --text:#1F2937;
      --muted:#6B7280;
      --line:#E5E7EB;
      --soft:#F8FAFC;
      --white:#FFFFFF;
      --amber:#F59E0B;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:24px;
      --shadow:0 16px 48px rgba(16,37,26,.08);
      --shadow-hover:0 22px 60px rgba(16,37,26,.13);
      --container:1200px;
      --header-h:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,#fff 0%,#FAFFFC 42%,#fff 100%);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    input{border:0;outline:none}
    ::selection{background:var(--mint-2);color:var(--ink)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:saturate(180%) blur(18px);
      border-bottom:1px solid rgba(229,231,235,.88);
      transition:box-shadow .25s ease,background .25s ease;
    }
    .site-header.is-scrolled{box-shadow:0 10px 32px rgba(17,24,39,.08);background:rgba(255,255,255,.94)}
    .nav-wrap{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-weight:800;color:var(--ink);letter-spacing:-.02em}
    .brand-icon{
      width:38px;height:38px;border-radius:14px;
      background:linear-gradient(135deg,var(--green),var(--green-2));
      display:grid;place-items:center;color:#fff;box-shadow:0 10px 24px rgba(34,197,94,.25);
      font-size:20px;
    }
    .brand span{font-size:18px}
    .main-nav{display:flex;align-items:center;gap:6px}
    .main-nav a{
      padding:10px 14px;border-radius:999px;color:#334155;font-size:15px;font-weight:650;
      transition:background .2s ease,color .2s ease,transform .2s ease;
    }
    .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--green-dark)}
    .main-nav a:active{transform:scale(.98)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search{
      width:248px;height:42px;border:1px solid var(--line);border-radius:999px;background:#fff;
      display:flex;align-items:center;gap:8px;padding:0 14px;color:var(--muted);
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .search:focus-within{border-color:var(--green-2);box-shadow:0 0 0 4px rgba(34,197,94,.12)}
    .search input{width:100%;font-size:14px;color:var(--text);background:transparent}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:0 18px;border-radius:999px;font-weight:750;font-size:15px;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 12px 28px rgba(22,163,74,.22)}
    .btn-primary:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:0 18px 34px rgba(22,163,74,.28)}
    .btn-secondary{background:#fff;color:var(--green-dark);border:1px solid var(--mint-2)}
    .btn-secondary:hover{background:var(--mint);border-color:var(--green-2);transform:translateY(-1px)}
    .btn-text{color:var(--green-dark);font-weight:800;display:inline-flex;gap:6px;align-items:center}
    .btn-text:hover{text-decoration:underline}
    .menu-toggle{display:none;width:44px;height:44px;border-radius:14px;background:var(--mint);color:var(--ink);font-size:22px}
    .mobile-panel{display:none;border-top:1px solid var(--line);padding:14px 0 18px}
    .mobile-panel.open{display:block}
    .mobile-panel a{display:block;padding:12px 10px;border-radius:14px;font-weight:700}
    .mobile-panel a.active,.mobile-panel a:hover{background:var(--mint);color:var(--green-dark)}
    .hero{
      position:relative;isolation:isolate;overflow:hidden;
      min-height:620px;display:flex;align-items:center;
      background:
        linear-gradient(120deg,rgba(16,37,26,.86),rgba(16,37,26,.58)),
        radial-gradient(circle at 18% 18%,rgba(34,197,94,.5),transparent 28%),
        linear-gradient(135deg,#0E2B1A,#174B2B 48%,#F8FFFB 48.2%,#FFFFFF);
    }
    .hero::before{
      content:"";position:absolute;inset:0;z-index:-1;opacity:.34;
      background-image:
        linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(90deg,#000,transparent 86%);
    }
    .hero::after{
      content:"";position:absolute;right:-80px;top:120px;width:560px;height:320px;border-radius:36px;
      background:linear-gradient(135deg,rgba(236,253,245,.92),rgba(255,255,255,.86));
      box-shadow:var(--shadow);transform:rotate(-4deg);z-index:-1;
    }
    .hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding:76px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(236,253,245,.14);color:#D1FAE5;border:1px solid rgba(209,250,229,.26);font-size:14px;font-weight:750}
    .hero h1{margin:18px 0 18px;color:#fff;font-size:46px;line-height:1.12;letter-spacing:-.04em;font-weight:850;max-width:760px}
    .hero p{margin:0;color:rgba(255,255,255,.84);font-size:17px;line-height:1.9;max-width:690px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero .btn-secondary{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28);color:#fff}
    .hero .btn-secondary:hover{background:rgba(255,255,255,.2)}
    .hero-metrics{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .metric{padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);color:#fff;min-width:128px}
    .metric strong{display:block;font-size:22px;line-height:1.1}
    .metric span{font-size:13px;color:rgba(255,255,255,.72)}
    .stage{
      position:relative;border-radius:30px;background:rgba(255,255,255,.92);padding:16px;
      box-shadow:0 28px 80px rgba(5,46,22,.24);border:1px solid rgba(209,250,229,.8);
    }
    .stage-top{height:34px;display:flex;align-items:center;gap:7px;padding:0 4px}
    .dot{width:10px;height:10px;border-radius:50%;background:#CBD5E1}
    .dot:nth-child(1){background:#22C55E}.dot:nth-child(2){background:#F59E0B}.dot:nth-child(3){background:#94A3B8}
    .stage-screen{
      min-height:360px;border-radius:22px;overflow:hidden;position:relative;
      background:
        linear-gradient(180deg,rgba(16,185,129,.08),rgba(255,255,255,.9)),
        radial-gradient(circle at 72% 20%,rgba(34,197,94,.24),transparent 28%);
      padding:22px;
    }
    .play-mask{
      height:148px;border-radius:20px;background:linear-gradient(135deg,#10251A,#1A5B35);
      position:relative;overflow:hidden;margin-bottom:16px;
    }
    .play-mask::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.06),transparent 50%,rgba(255,255,255,.08));}
    .play-btn{
      position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
      width:62px;height:62px;border-radius:50%;background:#fff;color:var(--green);display:grid;place-items:center;
      box-shadow:0 14px 38px rgba(0,0,0,.18);font-size:24px;
    }
    .status-row{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
    .badge,.tag{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:7px 10px;
      font-size:13px;font-weight:750;border:1px solid var(--mint-2);background:var(--mint);color:var(--green-dark);
    }
    .tag.gray{background:#F8FAFC;color:#475569;border-color:#E2E8F0}
    .tag.amber{background:#FFFBEB;color:#92400E;border-color:#FDE68A}
    .entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
    .entry{border:1px solid var(--line);border-radius:16px;background:#fff;padding:13px;display:flex;align-items:center;justify-content:space-between;gap:10px}
    .entry b{font-size:14px;color:var(--ink)}
    .entry small{display:block;color:var(--muted);font-size:12px}
    .check{width:22px;height:22px;border-radius:50%;background:var(--mint);color:var(--green);display:grid;place-items:center;font-weight:900}
    main section{padding:84px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
    .section-title{margin:0;color:var(--ink);font-size:32px;line-height:1.2;letter-spacing:-.03em;font-weight:850}
    .section-desc{margin:10px 0 0;color:var(--muted);max-width:760px;font-size:16px}
    .panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .benefit-panel{padding:26px;overflow:hidden}
    .table-wrap{overflow-x:auto;padding-bottom:4px}
    .benefit-table{width:100%;min-width:820px;border-collapse:separate;border-spacing:0 10px}
    .benefit-table th{background:var(--mint);color:var(--ink);font-size:15px;text-align:left;padding:16px;border-top:1px solid var(--mint-2);border-bottom:1px solid var(--mint-2)}
    .benefit-table th:first-child{border-radius:16px 0 0 16px;border-left:1px solid var(--mint-2)}
    .benefit-table th:last-child{border-radius:0 16px 16px 0;border-right:1px solid var(--mint-2)}
    .benefit-table td{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px;font-size:15px}
    .benefit-table td:first-child{border-left:1px solid var(--line);border-radius:16px 0 0 16px;color:var(--ink);font-weight:800}
    .benefit-table td:last-child{border-right:1px solid var(--line);border-radius:0 16px 16px 0}
    .recommend{position:relative;color:var(--green-dark);font-weight:850}
    .recommend::after{content:"推荐";margin-left:8px;font-size:12px;background:var(--green);color:#fff;border-radius:999px;padding:3px 7px}
    .yes{color:var(--green);font-weight:900}
    .muted{color:var(--muted)}
    .level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .level-card{padding:24px;border-radius:var(--radius-lg);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
    .level-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--mint-2)}
    .level-card.featured{background:linear-gradient(180deg,var(--mint),#fff);border-color:var(--green-2)}
    .level-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
    .level-card h3{margin:0;color:var(--ink);font-size:22px}
    .level-card p{margin:0 0 16px;color:var(--muted);font-size:15px}
    .list{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:10px}
    .list li{display:flex;gap:9px;align-items:flex-start;color:#334155;font-size:15px}
    .list li::before{content:"✓";width:20px;height:20px;flex:0 0 20px;border-radius:50%;background:var(--mint);color:var(--green);display:grid;place-items:center;font-weight:900;font-size:12px;margin-top:3px}
    .preview-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
    .preview-main{padding:22px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#fff,var(--mint));border:1px solid var(--mint-2);box-shadow:var(--shadow)}
    .abstract-cover{height:260px;border-radius:22px;background:
      linear-gradient(135deg,rgba(16,37,26,.88),rgba(22,163,74,.62)),
      radial-gradient(circle at 20% 30%,rgba(255,255,255,.28),transparent 24%);
      position:relative;overflow:hidden;margin-bottom:18px;
    }
    .abstract-cover::after{
      content:"会员可见";position:absolute;right:18px;top:18px;background:rgba(255,255,255,.9);color:var(--green-dark);font-weight:850;border-radius:999px;padding:8px 12px;font-size:13px;
    }
    .blur-blocks{position:absolute;left:22px;bottom:22px;display:grid;gap:10px;width:72%}
    .blur-blocks span{height:16px;border-radius:999px;background:rgba(255,255,255,.34);backdrop-filter:blur(4px)}
    .blur-blocks span:nth-child(2){width:68%}
    .entrance-list{display:grid;gap:12px}
    .entrance-item{padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line);display:flex;gap:14px;align-items:flex-start;transition:transform .2s ease,box-shadow .2s ease}
    .entrance-item:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .icon-box{width:42px;height:42px;border-radius:15px;background:var(--mint);color:var(--green);display:grid;place-items:center;font-weight:900;flex:0 0 42px}
    .entrance-item h3{margin:0 0 4px;color:var(--ink);font-size:18px}
    .entrance-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .topics{background:linear-gradient(180deg,#F8FAFC,#fff)}
    .topic-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .topic-cloud{padding:24px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .tag-cloud a{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#334155;font-weight:750;font-size:14px;transition:.2s ease}
    .tag-cloud a:hover{background:var(--mint);color:var(--green-dark);border-color:var(--mint-2);transform:translateY(-1px)}
    .focus-card{padding:22px;border-radius:var(--radius-lg);background:#10251A;color:#fff;position:relative;overflow:hidden}
    .focus-card::after{content:"";position:absolute;right:-60px;bottom:-60px;width:180px;height:180px;border-radius:50%;background:rgba(34,197,94,.22)}
    .focus-card h3{margin:0 0 10px;font-size:22px}
    .focus-card p{margin:0 0 18px;color:rgba(255,255,255,.74)}
    .people-row{display:flex;gap:14px;overflow-x:auto;padding:4px 0 8px}
    .person{min-width:260px;padding:18px;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    .avatar{width:48px;height:48px;border-radius:18px;background:linear-gradient(135deg,var(--mint-2),#fff);display:grid;place-items:center;color:var(--green);font-weight:900;margin-bottom:12px}
    .person h3{margin:0 0 6px;color:var(--ink);font-size:18px}
    .person p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .news-wrap{display:grid;grid-template-columns:1fr 340px;gap:22px}
    .news-list{padding:10px 22px}
    .news-list a{display:grid;grid-template-columns:120px 1fr auto;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .news-list a:last-child{border-bottom:0}
    .news-list time{color:var(--muted);font-size:14px}
    .news-list strong{color:var(--ink);font-size:17px}
    .news-list span{color:var(--green);font-weight:900}
    .side-panel{padding:22px}
    .side-panel h3{margin:0 0 12px;color:var(--ink)}
    .quick-list{display:grid;gap:10px}
    .quick-list div{padding:13px;border-radius:16px;background:var(--soft);border:1px solid var(--line);font-size:14px;color:#475569}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq-item{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
    .faq-item:hover{box-shadow:var(--shadow);border-color:var(--mint-2)}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:18px 20px;font-weight:850;color:var(--ink)}
    .faq-q span:last-child{color:var(--green);font-size:20px;transition:transform .2s ease}
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:15px;line-height:1.75}
    .faq-item.open{background:var(--mint)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{padding-top:40px}
    .cta-box{display:grid;grid-template-columns:1fr 380px;gap:28px;align-items:center;padding:34px;border-radius:30px;background:linear-gradient(135deg,var(--mint),#fff);border:1px solid var(--mint-2);box-shadow:var(--shadow)}
    .cta-box h2{margin:0;color:var(--ink);font-size:34px;line-height:1.2;letter-spacing:-.03em}
    .cta-box p{margin:12px 0 20px;color:var(--muted)}
    .cta-form{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px}
    .input-line{height:48px;border:1px solid var(--line);border-radius:16px;display:flex;align-items:center;padding:0 14px;margin-bottom:12px;transition:.2s ease}
    .input-line:focus-within{border-color:var(--green-2);box-shadow:0 0 0 4px rgba(34,197,94,.12)}
    .input-line input{width:100%;background:transparent;color:var(--text)}
    .notice{font-size:13px;color:var(--muted);line-height:1.6;margin-top:10px}
    footer{border-top:1px solid var(--line);background:#fff;padding:38px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
    .footer-brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:850;margin-bottom:12px}
    .footer-brand .brand-icon{width:34px;height:34px;border-radius:12px;font-size:18px}
    .footer p{color:var(--muted);margin:0;font-size:14px}
    .footer h3{margin:0 0 12px;color:var(--ink);font-size:16px}
    .footer a{display:block;color:var(--muted);font-size:14px;margin:8px 0;transition:color .2s ease}
    .footer a:hover{color:var(--green-dark)}
    .copyright{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .floating-cta{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:40;display:none;gap:10px;align-items:center;padding:10px 12px;border-radius:999px;background:rgba(255,255,255,.92);border:1px solid var(--line);box-shadow:0 16px 40px rgba(16,37,26,.14);backdrop-filter:blur(14px)}
    .floating-cta span{font-size:14px;color:var(--ink);font-weight:800}
    @media (max-width:1080px){
      .main-nav{display:none}
      .search{width:190px}
      .hero-inner,.preview-layout,.topic-grid,.news-wrap,.cta-box{grid-template-columns:1fr}
      .hero{min-height:auto}
      .level-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      :root{--header-h:66px}
      .container{width:min(100% - 28px,var(--container))}
      .nav-actions .search,.nav-actions .btn-secondary,.nav-actions .btn-primary{display:none}
      .menu-toggle{display:grid;place-items:center}
      .hero-inner{padding:52px 0;gap:28px}
      .hero h1{font-size:34px}
      .hero p{font-size:16px}
      .hero-actions .btn{width:100%}
      main section{padding:56px 0}
      .section-head{display:block}
      .section-title{font-size:27px}
      .stage-screen{min-height:320px;padding:16px}
      .entry-grid,.level-grid,.faq-grid{grid-template-columns:1fr}
      .abstract-cover{height:210px}
      .news-list a{grid-template-columns:1fr;gap:4px}
      .cta-box{padding:24px}
      .cta-box h2{font-size:28px}
      .footer-grid{grid-template-columns:1fr}
      .floating-cta{display:flex}
    }
    @media (max-width:420px){
      .brand span{font-size:16px}
      .hero h1{font-size:31px}
      .metric{min-width:calc(50% - 6px)}
      .stage{padding:10px;border-radius:22px}
      .play-btn{width:54px;height:54px}
      .benefit-panel{padding:14px}
      .person{min-width:230px}
      .floating-cta{width:calc(100% - 24px);justify-content:space-between}
    }

/* roulang page: category1 */
:root{
      --green:#16A34A;
      --green-2:#22C55E;
      --green-3:#ECFDF5;
      --mint:#D1FAE5;
      --ink:#10251A;
      --text:#1F2937;
      --muted:#6B7280;
      --line:#E5E7EB;
      --soft:#F8FAFC;
      --white:#FFFFFF;
      --amber:#F59E0B;
      --shadow:0 16px 48px rgba(16,37,26,.08);
      --shadow-sm:0 10px 28px rgba(16,37,26,.06);
      --radius:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --container:1200px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,#fff 0%,#F7FEFA 42%,#fff 100%);
      line-height:1.75;
      font-size:16px;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
    .skip-link:focus{left:20px;top:20px;width:auto;height:auto;z-index:2000;background:var(--green);color:#fff;padding:10px 16px;border-radius:12px}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.9);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(229,231,235,.9);
      transition:var(--ease);
    }
    .header-inner{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
      font-weight:800;
      color:var(--ink);
      letter-spacing:-.02em;
    }
    .brand-icon{
      width:36px;
      height:36px;
      border-radius:12px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg,var(--green),var(--green-2));
      color:#fff;
      box-shadow:0 10px 24px rgba(22,163,74,.22);
      font-weight:900;
    }
    .main-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:6px;
      background:#F8FAFC;
      border:1px solid var(--line);
      border-radius:var(--radius-pill);
    }
    .main-nav a{
      padding:9px 15px;
      border-radius:var(--radius-pill);
      color:#4B5563;
      font-weight:700;
      font-size:14px;
      transition:var(--ease);
      white-space:nowrap;
    }
    .main-nav a:hover{background:#fff;color:var(--green);box-shadow:var(--shadow-sm)}
    .main-nav a.active{background:var(--green);color:#fff;box-shadow:0 10px 20px rgba(22,163,74,.18)}
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:330px;
      justify-content:flex-end;
    }
    .nav-search{
      position:relative;
      flex:1;
      max-width:230px;
    }
    .nav-search input,.searchbar input,.mini-form input{
      width:100%;
      height:42px;
      border:1px solid var(--line);
      border-radius:var(--radius-pill);
      padding:0 16px 0 40px;
      color:var(--text);
      background:#fff;
      outline:none;
      transition:var(--ease);
    }
    .nav-search input:focus,.searchbar input:focus,.mini-form input:focus{
      border-color:var(--green);
      box-shadow:0 0 0 4px rgba(34,197,94,.12);
    }
    .search-ico{
      position:absolute;
      left:15px;
      top:50%;
      transform:translateY(-50%);
      color:var(--muted);
      font-size:14px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:var(--radius-pill);
      border:1px solid transparent;
      font-weight:800;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 12px 28px rgba(22,163,74,.22)}
    .btn-primary:hover{background:#12823d;transform:translateY(-1px);box-shadow:0 16px 34px rgba(22,163,74,.26)}
    .btn-secondary{background:#fff;color:var(--green);border-color:#A7F3D0}
    .btn-secondary:hover{background:var(--green-3);transform:translateY(-1px)}
    .btn-text{color:var(--green);font-weight:800}
    .btn-text:hover{text-decoration:underline}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--ink);
      align-items:center;
      justify-content:center;
    }
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green);
      background:var(--green-3);
      border:1px solid #BBF7D0;
      border-radius:var(--radius-pill);
      padding:7px 12px;
      font-size:13px;
      font-weight:800;
      margin-bottom:16px;
    }
    h1,h2,h3{color:var(--ink);line-height:1.16;margin:0}
    h1{font-size:46px;letter-spacing:-.04em;font-weight:900}
    h2{font-size:32px;letter-spacing:-.03em;font-weight:850}
    h3{font-size:21px;font-weight:850}
    p{margin:0;color:var(--muted)}
    .lead{font-size:17px;line-height:1.85;color:#4B5563}
    .hero{
      padding:58px 0 42px;
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 10% 15%,rgba(34,197,94,.12),transparent 30%),
        radial-gradient(circle at 90% 20%,rgba(209,250,229,.85),transparent 28%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1fr) 440px;
      gap:34px;
      align-items:start;
    }
    .hero-copy{
      background:rgba(255,255,255,.72);
      border:1px solid rgba(229,231,235,.9);
      border-radius:30px;
      padding:34px;
      box-shadow:var(--shadow-sm);
    }
    .hero-copy .lead{margin-top:18px;max-width:720px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:var(--radius-pill);
      font-size:13px;
      font-weight:800;
      line-height:1;
      white-space:nowrap;
    }
    .badge{padding:8px 11px;background:#fff;border:1px solid var(--line);color:#374151}
    .badge.success{background:var(--green-3);border-color:#BBF7D0;color:#15803D}
    .badge.warn{background:#FFFBEB;border-color:#FDE68A;color:#B45309}
    .tag{padding:7px 10px;background:#F3F4F6;color:#4B5563}
    .tag.active{background:var(--green);color:#fff}
    .recommend-panel{
      border-radius:30px;
      background:#fff;
      border:1px solid #BBF7D0;
      box-shadow:var(--shadow);
      padding:18px;
      position:sticky;
      top:96px;
    }
    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:8px 8px 16px;
    }
    .window-dots{display:flex;gap:6px}
    .window-dots span{width:9px;height:9px;border-radius:50%;background:#D1D5DB}
    .window-dots span:nth-child(1){background:#22C55E}
    .window-dots span:nth-child(2){background:#F59E0B}
    .window-dots span:nth-child(3){background:#E5E7EB}
    .plan-card{
      border-radius:24px;
      padding:22px;
      background:linear-gradient(145deg,#F0FDF4,#fff 56%);
      border:1px solid #BBF7D0;
      position:relative;
      overflow:hidden;
    }
    .plan-card:after{
      content:"";
      position:absolute;
      right:-30px;
      top:-30px;
      width:120px;
      height:120px;
      border-radius:36px;
      background:rgba(34,197,94,.12);
      transform:rotate(18deg);
    }
    .plan-card h2{font-size:25px}
    .plan-card p{margin-top:10px}
    .plan-list{display:grid;gap:12px;margin:20px 0 22px;padding:0;list-style:none}
    .plan-list li,.check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#374151;
      font-weight:650;
    }
    .check{
      width:21px;
      height:21px;
      border-radius:50%;
      background:var(--green);
      color:#fff;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-size:13px;
      flex:0 0 auto;
      margin-top:3px;
    }
    .mini-status{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      margin-top:14px;
    }
    .status-cell{
      border:1px solid var(--line);
      background:#fff;
      border-radius:16px;
      padding:12px;
    }
    .status-cell strong{display:block;color:var(--ink);font-size:18px;line-height:1.2}
    .status-cell span{font-size:12px;color:var(--muted);font-weight:700}
    .intro-row{
      display:grid;
      grid-template-columns:1fr 360px;
      gap:24px;
      align-items:stretch;
    }
    .summary-card,.card,.side-card,.faq-item,.cta-box{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
    }
    .summary-card{padding:28px}
    .summary-card p{margin-top:12px}
    .quick-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:22px;
    }
    .metric{
      border-radius:18px;
      background:var(--soft);
      border:1px solid var(--line);
      padding:16px;
    }
    .metric strong{display:block;color:var(--ink);font-size:24px;line-height:1.1}
    .metric span{font-size:13px;color:var(--muted);font-weight:700}
    .notice-card{
      padding:24px;
      background:linear-gradient(145deg,#ECFDF5,#fff);
      border-color:#BBF7D0;
    }
    .filter-wrap{
      margin-top:28px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow-sm);
      padding:18px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      align-items:center;
    }
    .filter-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      overflow:auto;
      scrollbar-width:none;
    }
    .filter-tags::-webkit-scrollbar{display:none}
    .filter-tag{
      border:1px solid var(--line);
      background:#fff;
      color:#374151;
      min-height:38px;
      padding:0 14px;
      border-radius:var(--radius-pill);
      font-weight:800;
      transition:var(--ease);
      white-space:nowrap;
    }
    .filter-tag:hover,.filter-tag.active{background:var(--green);border-color:var(--green);color:#fff}
    .sort-actions{display:flex;gap:10px}
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:24px;
      align-items:start;
    }
    .category-list{
      display:grid;
      gap:16px;
    }
    .category-card{
      display:grid;
      grid-template-columns:150px minmax(0,1fr);
      gap:18px;
      padding:18px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .category-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#BBF7D0}
    .abstract-cover{
      min-height:130px;
      border-radius:20px;
      background:
        linear-gradient(135deg,rgba(16,163,74,.16),rgba(209,250,229,.9)),
        repeating-linear-gradient(45deg,rgba(255,255,255,.35) 0 8px,rgba(255,255,255,.12) 8px 16px);
      position:relative;
      overflow:hidden;
      border:1px solid #BBF7D0;
    }
    .abstract-cover:before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:18px;
      background:rgba(255,255,255,.54);
      filter:blur(1px);
    }
    .abstract-cover:after{
      content:"锁定预览";
      position:absolute;
      left:14px;
      bottom:14px;
      background:rgba(255,255,255,.86);
      color:#15803D;
      border:1px solid #BBF7D0;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:900;
    }
    .category-info{min-width:0}
    .category-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:8px;
    }
    .category-card h3{font-size:22px}
    .category-card p{margin-top:8px}
    .card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .card-footer{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:18px;
      padding-top:14px;
      border-top:1px solid var(--line);
    }
    .update-note{font-size:13px;color:var(--muted);font-weight:750}
    .sidebar{
      display:grid;
      gap:16px;
      position:sticky;
      top:96px;
    }
    .side-card{padding:22px}
    .side-card h3{margin-bottom:12px}
    .side-card p{font-size:14px}
    .level-mini{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .level-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:12px;
      border-radius:16px;
      background:var(--soft);
      border:1px solid var(--line);
    }
    .level-row strong{color:var(--ink)}
    .help-links{display:grid;gap:10px;margin-top:14px}
    .help-links a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:12px 0;
      border-bottom:1px solid var(--line);
      color:#374151;
      font-weight:750;
      transition:var(--ease);
    }
    .help-links a:hover{color:var(--green);padding-left:4px}
    .help-links a:last-child{border-bottom:0}
    .access-steps{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:stretch;
    }
    .step-board{
      padding:26px;
      border-radius:26px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .steps{
      display:grid;
      gap:14px;
      margin-top:20px;
    }
    .step{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:14px;
      padding:16px;
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
    }
    .step-num{
      width:42px;
      height:42px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--green-3);
      color:var(--green);
      font-weight:900;
      border:1px solid #BBF7D0;
    }
    .step strong{display:block;color:var(--ink);margin-bottom:2px}
    .console-card{
      border-radius:26px;
      background:linear-gradient(145deg,#10251A,#1B4330);
      color:#fff;
      padding:24px;
      box-shadow:0 20px 48px rgba(16,37,26,.16);
      overflow:hidden;
      position:relative;
    }
    .console-card:before{
      content:"";
      position:absolute;
      right:-40px;
      top:-40px;
      width:150px;
      height:150px;
      background:rgba(34,197,94,.22);
      border-radius:42px;
      transform:rotate(18deg);
    }
    .console-card h3{color:#fff}
    .console-card p{color:rgba(255,255,255,.74);margin-top:10px}
    .console-list{display:grid;gap:12px;margin-top:22px;position:relative}
    .console-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:13px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
    }
    .console-item span:last-child{color:#86EFAC;font-weight:900}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      margin-top:24px;
    }
    .faq-item{overflow:hidden}
    .faq-question{
      width:100%;
      background:#fff;
      border:0;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      text-align:left;
      color:var(--ink);
      font-weight:850;
    }
    .faq-question span:last-child{
      width:26px;
      height:26px;
      border-radius:50%;
      background:var(--green-3);
      color:var(--green);
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      transition:var(--ease);
    }
    .faq-answer{
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open{background:var(--green-3);border-color:#BBF7D0}
    .faq-item.open .faq-question{background:transparent}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:#fff}
    .cta-section{padding:76px 0 88px}
    .cta-box{
      padding:32px;
      border-radius:30px;
      background:
        linear-gradient(135deg,#ECFDF5 0%,#fff 62%),
        radial-gradient(circle at 92% 20%,rgba(34,197,94,.15),transparent 28%);
      border-color:#BBF7D0;
      display:grid;
      grid-template-columns:1fr 390px;
      gap:26px;
      align-items:center;
      overflow:hidden;
    }
    .check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
    .mini-form{
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .mini-form label{
      display:block;
      color:var(--ink);
      font-weight:850;
      margin-bottom:10px;
    }
    .mini-form .field{position:relative;margin-bottom:12px}
    .mini-form input{border-radius:16px;padding-left:42px}
    .mini-form .btn{width:100%;border-radius:16px}
    .form-tip{font-size:13px;color:var(--muted);margin-top:10px}
    .footer{
      background:#fff;
      border-top:1px solid var(--line);
      padding:48px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .8fr;
      gap:36px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--ink);
      font-weight:900;
      font-size:18px;
      margin-bottom:12px;
    }
    .footer p{max-width:520px;font-size:14px}
    .footer h3{font-size:16px;margin-bottom:12px}
    .footer a{
      display:block;
      color:var(--muted);
      font-weight:700;
      margin:7px 0;
      transition:var(--ease);
    }
    .footer a:hover{color:var(--green);transform:translateX(3px)}
    .copyright{
      margin-top:30px;
      padding-top:20px;
      border-top:1px solid var(--line);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--muted);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1080px){
      .header-inner{flex-wrap:wrap;padding:12px 0}
      .main-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto}
      .nav-actions{min-width:0;flex:1}
      .hero-grid,.intro-row,.content-layout,.access-steps,.cta-box{grid-template-columns:1fr}
      .recommend-panel,.sidebar{position:static}
      .quick-metrics{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .site-header{position:sticky}
      .header-inner{min-height:64px}
      .main-nav,.nav-actions{
        display:none;
        width:100%;
      }
      .site-header.menu-open .main-nav,
      .site-header.menu-open .nav-actions{
        display:flex;
      }
      .site-header.menu-open .main-nav{
        order:3;
        flex-direction:column;
        align-items:stretch;
        border-radius:20px;
        background:#fff;
        box-shadow:var(--shadow-sm);
      }
      .site-header.menu-open .nav-actions{
        order:4;
        flex-direction:column;
        align-items:stretch;
        padding-bottom:12px;
      }
      .site-header.menu-open .nav-search{max-width:none}
      .menu-toggle{display:flex}
      h1{font-size:33px}
      h2{font-size:27px}
      .hero{padding:34px 0 24px}
      .hero-copy{padding:24px;border-radius:24px}
      .section{padding:56px 0}
      .section-tight{padding:42px 0}
      .filter-wrap{grid-template-columns:1fr}
      .filter-tags{flex-wrap:nowrap}
      .sort-actions{overflow-x:auto}
      .category-card{grid-template-columns:1fr}
      .abstract-cover{min-height:150px}
      .faq-grid{grid-template-columns:1fr}
      .quick-metrics,.mini-status{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .hero-actions .btn,.sort-actions .btn,.cta-box .btn{width:100%}
    }
    @media (max-width:420px){
      body{font-size:15px}
      .brand span:last-child{max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .hero-copy,.summary-card,.side-card,.step-board,.cta-box{padding:20px}
      .category-head,.card-footer{flex-direction:column;align-items:flex-start}
      .btn{min-height:46px}
    }