/* roulang page: index */
:root{
      --blue:#1769c2;
      --blue-dark:#1057a5;
      --blue-pale:#eaf4ff;
      --blue-soft:#eff6fc;
      --ink:#15243a;
      --text:#52657a;
      --muted:#7c8c9f;
      --line:#e4ecf4;
      --bg:#f7fafd;
      --white:#fff;
      --teal:#1e9d88;
      --orange:#e68a2e;
      --radius:16px;
      --radius-sm:10px;
      --shadow:0 10px 30px rgba(28,65,105,.08);
      --shadow-lg:0 20px 48px rgba(28,65,105,.12);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    body.cta-hidden{padding-bottom:0}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    :focus-visible{outline:3px solid rgba(23,105,194,.32);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 64px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);box-shadow:0 3px 16px rgba(28,65,105,.04)}
    .brand-row{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-.4px;color:var(--ink);white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);color:white;display:grid;place-items:center;font-size:13px;box-shadow:0 7px 14px rgba(23,105,194,.22)}
    .brand-note{font-size:12px;color:var(--muted);font-weight:500;border-left:1px solid var(--line);padding-left:12px}
    .header-actions{display:flex;align-items:center;gap:10px}
    .icon-btn{width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);display:grid;place-items:center;transition:.2s ease}
    .icon-btn:hover{color:var(--blue);border-color:#bdd8f1;background:var(--blue-soft)}
    .nav-cta,.btn-primary,.btn-secondary{min-height:46px;padding:0 18px;border-radius:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .2s ease,background .2s ease,border .2s ease,box-shadow .2s ease}
    .nav-cta,.btn-primary{background:var(--blue);border:1px solid var(--blue);color:#fff;box-shadow:0 8px 17px rgba(23,105,194,.16)}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark);transform:translateY(-2px);box-shadow:0 11px 22px rgba(23,105,194,.23)}
    .btn-secondary{background:#fff;color:var(--blue);border:1px solid #aacdeb}
    .btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue);transform:translateY(-2px)}
    .channel-row{border-top:1px solid #f1f5f8;position:relative}
    .channels{height:49px;display:flex;align-items:center;gap:7px;overflow-x:auto;scrollbar-width:none}
    .channels::-webkit-scrollbar{display:none}
    .channel{height:34px;padding:0 13px;display:inline-flex;align-items:center;white-space:nowrap;border-radius:8px;color:var(--text);font-size:14px;font-weight:650;transition:.2s ease}
    .channel:hover{background:var(--blue-soft);color:var(--blue)}
    .channel.active{background:var(--blue);color:#fff}
    .section-code{margin-left:auto;white-space:nowrap;font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.08em}
    .section-code b{color:var(--blue)}
    .age-notice{background:#fff8ed;border-bottom:1px solid #f5dfbd;color:#77572e;font-size:13px}
    .age-notice .container{padding:8px 0;display:flex;justify-content:center;gap:8px;align-items:center}
    .age-dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}
    main{padding-bottom:112px}
    .hero{position:relative;overflow:hidden;padding:78px 0 64px;background:linear-gradient(180deg,#f8fbff 0%,#edf6ff 100%)}
    .hero:before,.hero:after{content:"";position:absolute;pointer-events:none;border:1px solid rgba(23,105,194,.07);border-radius:50%}
    .hero:before{width:540px;height:540px;right:-220px;top:-210px}
    .hero:after{width:700px;height:300px;left:-300px;bottom:-160px}
    .hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:stretch}
    .hero-copy{padding:18px 0 12px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #c9def2;background:#fff;color:var(--blue);border-radius:999px;padding:6px 11px;font-size:13px;font-weight:750}
    .eyebrow i{display:block;width:7px;height:7px;border-radius:50%;background:var(--teal)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,4.3vw,58px);line-height:1.18;letter-spacing:-2px;margin:19px 0 20px;font-weight:850;max-width:760px}
    .hero h1 span{color:var(--blue)}
    .hero-text{max-width:690px;color:var(--text);font-size:17px;line-height:1.9;margin-bottom:25px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
    .trust-points{display:flex;flex-wrap:wrap;gap:10px}
    .trust-point{background:rgba(255,255,255,.76);border:1px solid #dce9f5;border-radius:10px;padding:8px 11px;display:flex;gap:8px;align-items:center;font-size:13px;color:var(--text)}
    .trust-point b{color:var(--blue);font-size:12px;letter-spacing:.06em}
    .hero-board{background:#fff;border:1px solid #dbe9f5;border-radius:20px;box-shadow:var(--shadow-lg);padding:22px;display:flex;flex-direction:column;justify-content:space-between;min-height:382px;position:relative;overflow:hidden}
    .hero-board:after{content:"";position:absolute;right:-38px;bottom:-38px;width:170px;height:170px;border:26px solid rgba(23,105,194,.045);border-radius:50%}
    .board-top,.board-foot,.panel-line{display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:1}
    .panel-label{font-size:12px;color:var(--blue);background:var(--blue-soft);padding:4px 9px;border-radius:6px;font-weight:750}
    .panel-status{font-size:12px;color:var(--teal);font-weight:700}
    .board-number{font-size:72px;line-height:1;font-weight:850;letter-spacing:-5px;color:#d9eaf9;margin:20px 0 -4px;position:relative;z-index:1}
    .board-title{font-size:23px;line-height:1.35;font-weight:800;position:relative;z-index:1}
    .board-copy{font-size:14px;color:var(--text);max-width:320px;position:relative;z-index:1;margin:10px 0 16px}
    .progress{height:7px;background:#eaf1f7;border-radius:99px;overflow:hidden;position:relative;z-index:1}
    .progress span{display:block;height:100%;width:76%;background:var(--blue);border-radius:inherit}
    .board-foot{margin-top:15px;border-top:1px solid var(--line);padding-top:14px;font-size:12px;color:var(--muted)}
    .board-mini{position:absolute;right:20px;bottom:22px;z-index:2;width:120px;padding:11px;border:1px solid #d8e8f5;background:#fff;border-radius:11px;box-shadow:var(--shadow)}
    .board-mini b{display:block;font-size:21px;color:var(--blue);line-height:1.1}
    .board-mini span{font-size:11px;color:var(--muted)}
    .section{padding:96px 0}
    .section-head{max-width:700px;margin-bottom:35px}
    .section-kicker{font-size:13px;font-weight:800;color:var(--blue);letter-spacing:.08em;margin-bottom:8px}
    h2{font-size:clamp(27px,3vw,40px);line-height:1.3;letter-spacing:-1px;font-weight:830;margin-bottom:12px}
    .section-desc{color:var(--text);font-size:16px;line-height:1.9;margin-bottom:0}
    .benefit-strip{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:#fff;border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
    .benefit{padding:30px 28px;position:relative;min-height:222px}
    .benefit+.benefit{border-left:1px solid var(--line)}
    .benefit.featured{background:var(--blue-pale);margin:-1px 0}
    .benefit-num{font-size:14px;font-weight:850;letter-spacing:.09em;color:var(--blue)}
    .benefit h3{font-size:20px;margin:14px 0 9px;font-weight:800}
    .benefit p{font-size:14px;color:var(--text);line-height:1.8;margin:0;max-width:265px}
    .line-icon{position:absolute;right:22px;top:28px;width:35px;height:35px;color:var(--blue)}
    .schedule-area{background:var(--blue-pale);padding:96px 0;position:relative}
    .schedule-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:52px;align-items:start}
    .schedule-intro{position:sticky;top:135px}
    .tab-list{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin-top:25px}
    .scene-tab{border:0;background:transparent;color:var(--text);padding:10px 12px;border-radius:8px;font-weight:700;text-align:left;transition:.2s ease}
    .scene-tab:hover,.scene-tab.active{background:#fff;color:var(--blue);box-shadow:0 4px 12px rgba(28,65,105,.06)}
    .scene-board{display:grid;grid-template-columns:1.55fr .85fr;gap:16px}
    .scene-main{background:#fff;border:1px solid #d8e7f4;border-radius:18px;padding:28px;min-height:360px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .scene-main:before{content:"";position:absolute;right:-90px;top:-100px;width:290px;height:290px;border-radius:50%;border:1px solid rgba(23,105,194,.11)}
    .index-no{font-size:58px;line-height:1;color:#d9eafb;font-weight:850;letter-spacing:-4px}
    .scene-main h3{font-size:26px;line-height:1.35;margin:18px 0 10px;font-weight:820;position:relative}
    .scene-main p{color:var(--text);font-size:15px;max-width:460px;position:relative}
    .meta-row{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0;position:relative}
    .meta{font-size:12px;background:var(--blue-soft);color:var(--text);padding:5px 9px;border-radius:6px}
    .text-link{font-weight:800;color:var(--blue);display:inline-flex;align-items:center;gap:7px;position:relative}
    .text-link:hover{text-decoration:underline}
    .scene-side{display:flex;flex-direction:column;gap:16px}
    .side-card{background:#fff;border:1px solid #d8e7f4;border-radius:15px;padding:20px;box-shadow:0 7px 20px rgba(28,65,105,.06)}
    .side-card b{display:block;font-size:13px;color:var(--blue);margin-bottom:7px}
    .side-card h3{font-size:17px;line-height:1.45;margin:0 0 7px;font-weight:800}
    .side-card p{margin:0;font-size:13px;color:var(--text);line-height:1.7}
    .compact-table{grid-column:1/-1;background:#fff;border:1px solid #d8e7f4;border-radius:14px;padding:14px 17px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
    .compact-table div{font-size:12px;color:var(--muted)}
    .compact-table b{display:block;color:var(--ink);font-size:14px;margin-top:2px}
    .data-section{background:#fff}
    .data-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .metric-card,.path-card{border:1px solid var(--line);border-radius:18px;padding:29px;background:#fff;box-shadow:var(--shadow)}
    .metric-card{background:linear-gradient(135deg,#fff 0%,#f3f9ff 100%)}
    .metric-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}
    .metric-heading h3,.path-card h3{font-size:20px;font-weight:800;margin:0}
    .badge{font-size:12px;font-weight:750;border-radius:999px;padding:4px 9px;background:#e5f6f2;color:#167864}
    .metric-number{font-size:50px;font-weight:850;letter-spacing:-3px;line-height:1;color:var(--blue);margin:27px 0 8px}
    .metric-card p,.path-card p{margin:0;color:var(--text);font-size:14px}
    .bar-list{margin-top:23px;display:grid;gap:12px}
    .bar-label{display:flex;justify-content:space-between;font-size:13px;color:var(--text);margin-bottom:5px}
    .bar{height:7px;border-radius:8px;background:#e9f0f6;overflow:hidden}
    .bar span{display:block;height:100%;background:var(--blue);border-radius:8px}
    .path-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:23px}
    .path-step{padding:13px;border-radius:10px;background:var(--blue-soft)}
    .path-step b{display:block;color:var(--blue);font-size:12px;margin-bottom:3px}
    .path-step span{font-size:13px;font-weight:700;line-height:1.45;display:block}
    .news-section{padding:96px 0;background:#f7fafd}
    .news-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:27px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
    .news-item{padding:22px 25px;display:grid;grid-template-columns:62px 1fr 28px;gap:17px;align-items:center;border-bottom:1px solid var(--line);transition:.2s ease}
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#fbfdff}
    .news-date{font-weight:850;color:var(--blue);font-size:13px;line-height:1.3}
    .news-date small{display:block;color:var(--muted);font-weight:600}
    .news-item h3{font-size:17px;line-height:1.45;margin:0 0 4px;font-weight:800}
    .news-item p{font-size:13px;line-height:1.65;color:var(--text);margin:0}
    .arrow{color:var(--blue);font-size:21px}
    .news-aside{display:flex;flex-direction:column;gap:17px}
    .aside-card{border-radius:18px;padding:25px;border:1px solid #d9e8f4;background:#fff;box-shadow:var(--shadow)}
    .aside-card.blue{background:var(--blue);border-color:var(--blue);color:#fff}
    .aside-card h3{font-size:20px;margin:0 0 10px;font-weight:800}
    .aside-card p{font-size:14px;line-height:1.8;margin:0 0 16px;color:var(--text)}
    .aside-card.blue p{color:#dceeff}
    .aside-card.blue .btn-secondary{border-color:#fff;background:#fff;color:var(--blue)}
    .safety-section{padding:74px 0}
    .safety-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}
    .safety-content{padding:34px;border-radius:18px;background:var(--ink);color:#fff;position:relative;overflow:hidden}
    .safety-content:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.1);border-radius:50%;right:-105px;bottom:-120px}
    .safety-content h2{margin-bottom:12px;position:relative}
    .safety-content p{color:#c9d8e7;position:relative;margin-bottom:0;font-size:15px}
    .pledges{display:grid;grid-template-columns:1fr 1fr;gap:13px;position:relative;margin-top:26px}
    .pledge{border:1px solid rgba(255,255,255,.13);border-radius:11px;padding:13px;font-size:13px;color:#e9f3fc}
    .pledge b{color:#fff;display:block;margin-bottom:3px}
    .feedback-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:var(--shadow)}
    .quote-mark{font-size:40px;color:#b8d9f3;line-height:.7}
    .feedback-card p{font-size:17px;line-height:1.85;font-weight:650;color:var(--ink);margin:16px 0 22px}
    .feedback-meta{border-top:1px solid var(--line);padding-top:14px;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:10px}
    .form-section{padding:96px 0;background:var(--blue-pale)}
    .form-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;background:#fff;border:1px solid #d7e7f4;border-radius:20px;padding:42px;box-shadow:var(--shadow-lg)}
    .form-copy p{color:var(--text);font-size:15px;line-height:1.85}
    .form-tags{display:grid;gap:10px;margin-top:25px}
    .form-tags span{display:flex;gap:9px;align-items:center;font-size:14px;color:var(--text)}
    .form-tags i{height:18px;width:18px;border-radius:5px;background:var(--blue-soft);color:var(--blue);font-style:normal;text-align:center;line-height:18px;font-weight:850;font-size:12px}
    .request-form{display:grid;gap:15px}
    .field label{display:block;font-size:13px;font-weight:750;margin-bottom:6px;color:var(--ink)}
    .field input,.field textarea{width:100%;min-height:46px;border:1px solid #cdddea;background:#fff;border-radius:10px;padding:10px 12px;color:var(--ink);outline:0;transition:.2s ease}
    .field textarea{height:88px;resize:vertical}
    .field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,105,194,.11)}
    .form-note{font-size:12px;color:var(--muted);line-height:1.7;margin:0}
    .form-status{display:none;border-radius:9px;padding:10px 12px;background:#eaf4ff;color:var(--blue);font-size:13px}
    .faq-section{padding:96px 0;background:#fff}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:52px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;border:0;background:#fff;padding:19px 2px;display:grid;grid-template-columns:42px 1fr 28px;gap:10px;align-items:center;text-align:left;color:var(--ink);font-weight:800}
    .faq-no{font-size:12px;color:var(--blue);letter-spacing:.05em}
    .faq-symbol{font-size:23px;color:var(--blue);font-weight:400;line-height:1;text-align:right}
    .faq-a{display:none;padding:0 36px 20px 54px;color:var(--text);font-size:14px;line-height:1.9}
    .faq-item.open{background:#f4f9fe}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-symbol:after{content:"−"}
    .faq-item:not(.open) .faq-symbol:after{content:"+"}
    .site-footer{background:#edf3f8;border-top:1px solid #dce7ef;padding:58px 0 105px;position:relative;overflow:hidden}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:40px}
    .footer-logo{margin-bottom:13px}
    .footer-intro{max-width:380px;color:var(--text);font-size:14px;margin:0}
    .footer-title{font-size:14px;font-weight:850;margin:4px 0 13px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:var(--text);font-size:14px}
    .footer-links a:hover{color:var(--blue);text-decoration:underline}
    .footer-bottom{margin-top:42px;padding-top:20px;border-top:1px solid #d7e2ea;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
    .fixed-cta{position:fixed;z-index:70;left:0;right:0;bottom:0;background:rgba(255,255,255,.98);border-top:1px solid #bdd8f1;box-shadow:0 -8px 24px rgba(28,65,105,.1);padding:11px 0 env(safe-area-inset-bottom)}
    .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .fixed-copy{display:flex;align-items:center;gap:13px}
    .fixed-dot{width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 5px rgba(30,157,136,.1)}
    .fixed-copy b{display:block;font-size:14px}
    .fixed-copy span{font-size:12px;color:var(--muted)}
    .close-cta{width:34px;height:34px;border:0;background:transparent;color:var(--muted);font-size:21px;border-radius:8px}
    .close-cta:hover{background:var(--blue-soft);color:var(--blue)}
    @media (hover:hover){
      .benefit:hover,.metric-card:hover,.path-card:hover,.aside-card:not(.blue):hover,.feedback-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#bfd9ef}
      .benefit,.metric-card,.path-card,.aside-card,.feedback-card{transition:.22s ease}
    }
    @media(max-width:1024px){
      .container{width:min(100% - 48px,1200px)}
      .hero-grid{gap:25px}
      .hero-board{min-height:350px}
      .schedule-grid,.faq-layout{gap:30px}
      .form-box{gap:28px;padding:31px}
    }
    @media(max-width:767px){
      body{font-size:15px}
      .container{width:calc(100% - 32px)}
      .brand-row{min-height:58px}
      .logo{font-size:14px;gap:8px;max-width:230px;overflow:hidden}
      .logo-mark{width:30px;height:30px;flex:0 0 30px}
      .brand-note,.header-actions .icon-btn{display:none}
      .header-actions{gap:7px}
      .nav-cta{min-height:38px;padding:0 11px;font-size:13px}
      .channels{height:45px;margin:0 -16px;padding:0 16px}
      .channel{font-size:13px;height:31px;padding:0 10px}
      .section-code{display:none}
      .age-notice .container{justify-content:flex-start;font-size:12px;line-height:1.5}
      .hero{padding:48px 0 44px}
      .hero-grid,.schedule-grid,.data-grid,.news-layout,.safety-grid,.form-box,.faq-layout,.footer-grid{grid-template-columns:1fr}
      .hero-copy{padding:0}
      h1{font-size:36px;letter-spacing:-1.4px}
      .hero-text{font-size:15px}
      .hero-board{min-height:300px;padding:20px;margin-top:4px}
      .board-number{font-size:56px}
      .board-title{font-size:20px}
      .benefit-strip{grid-template-columns:1fr}
      .benefit+.benefit{border-left:0;border-top:1px solid var(--line)}
      .benefit.featured{margin:0}
      .section,.news-section,.faq-section{padding:68px 0}
      .schedule-area,.form-section{padding:68px 0}
      .schedule-intro{position:static}
      .tab-list{flex-direction:row;overflow-x:auto;align-items:center;margin-left:-4px;margin-right:-4px;padding:0 4px}
      .scene-tab{white-space:nowrap}
      .scene-board{grid-template-columns:1fr}
      .scene-main{min-height:auto;padding:23px}
      .compact-table{grid-template-columns:1fr 1fr}
      .path-steps{grid-template-columns:1fr}
      .news-item{padding:18px;grid-template-columns:52px 1fr 20px;gap:10px}
      .news-item h3{font-size:15px}
      .safety-content,.feedback-card{padding:25px}
      .form-box{padding:24px}
      .faq-layout{gap:22px}
      .faq-a{padding-left:18px;padding-right:18px}
      .footer-grid{gap:25px}
      .site-footer{padding-top:44px;padding-bottom:123px}
      .fixed-copy span{display:none}
      .fixed-inner{gap:8px}
      .fixed-copy b{font-size:12px}
      .fixed-cta .btn-primary{min-height:42px;padding:0 12px;font-size:13px}
      .close-cta{width:30px}
    }
    @media(max-width:420px){
      .hero-actions{display:grid;grid-template-columns:1fr}
      .hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%}
      .trust-points{display:grid;grid-template-columns:1fr}
      .compact-table{grid-template-columns:1fr}
      .fixed-copy{display:none}
      .fixed-inner{justify-content:flex-end}
    }

/* roulang page: category1 */
:root{
 --blue:#1769c2;
 --blue-dark:#1057a5;
 --blue-pale:#eaf4ff;
 --blue-soft:#eff6fc;
 --ink:#15243a;
 --text:#52657a;
 --muted:#7c8c9f;
 --line:#e4ecf4;
 --bg:#f7fafd;
 --white:#fff;
 --teal:#1e9d88;
 --orange:#e68a2e;
 --radius:16px;
 --radius-sm:10px;
 --shadow:0 10px 30px rgba(28,65,105,.08);
 --shadow-lg:0 20px 48px rgba(28,65,105,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7;padding-bottom:96px}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(1200px,calc(100% - 64px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);box-shadow:0 3px 16px rgba(28,65,105,.04)}
.brand-row{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-.4px;color:var(--ink);white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:13px;box-shadow:0 7px 14px rgba(23,105,194,.22)}
.brand-note{font-size:12px;color:var(--muted);font-weight:500;border-left:1px solid var(--line);padding-left:12px}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);display:grid;place-items:center;transition:.2s ease}
.icon-btn:hover{color:var(--blue);border-color:#bdd8f1;background:var(--blue-soft)}
.nav-cta,.btn-primary,.btn-secondary{min-height:46px;padding:0 18px;border-radius:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .2s ease,background .2s ease,border .2s ease,box-shadow .2s ease}
.nav-cta,.btn-primary{background:var(--blue);border:1px solid var(--blue);color:#fff;box-shadow:0 8px 17px rgba(23,105,194,.16)}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark);transform:translateY(-2px);box-shadow:0 11px 22px rgba(23,105,194,.23)}
.btn-secondary{background:#fff;color:var(--blue);border:1px solid #aacdeb}
.btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue);transform:translateY(-2px)}
.channel-row{border-top:1px solid #f1f5f8;position:relative;background:#fff}
.channels{min-height:48px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{height:34px;display:inline-flex;align-items:center;padding:0 12px;border-radius:8px;color:var(--text);font-size:14px;font-weight:700;white-space:nowrap;transition:.2s ease}
.channel:hover{color:var(--blue);background:var(--blue-soft)}
.channel.active{background:var(--blue);color:#fff;box-shadow:0 5px 12px rgba(23,105,194,.18)}
.section-code{margin-left:auto;white-space:nowrap;font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.08em}
.section-code b{color:var(--blue)}
.age-notice{background:#f4f9fe;border-bottom:1px solid #dcebf7}
.age-notice .container{padding:8px 0;display:flex;justify-content:center;gap:8px;align-items:center;color:var(--text);font-size:13px}
.age-dot{width:7px;height:7px;background:var(--teal);border-radius:50%;flex:0 0 auto}
main{padding-bottom:32px}
.channel-hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#fff 0%,#fff 57%,#eaf4ff 57%,#f4f9fe 100%);border-bottom:1px solid #dfeaf4;padding:50px 0 52px}
.channel-hero:before{content:"";position:absolute;width:460px;height:460px;right:-130px;top:-275px;border:1px solid rgba(23,105,194,.1);border-radius:50%}
.channel-hero:after{content:"";position:absolute;left:56%;bottom:21px;width:360px;height:130px;border:1px solid rgba(23,105,194,.08);border-radius:360px 360px 0 0;border-bottom:0}
.hero-channel-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:50px;align-items:end}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:15px}
.breadcrumb a{color:var(--text)}
.breadcrumb a:hover{color:var(--blue);text-decoration:underline}
.breadcrumb svg{color:#a7b8c9}
.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #c9def2;background:#fff;color:var(--blue);border-radius:999px;padding:5px 11px;font-size:13px;font-weight:750}
.eyebrow i{display:block;width:7px;height:7px;border-radius:50%;background:var(--teal)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(31px,4.2vw,49px);line-height:1.18;letter-spacing:-1.4px;margin:15px 0 15px;font-weight:850}
.hero-copy p{max-width:730px;color:var(--text);font-size:16px;line-height:1.9;margin-bottom:21px}
.channel-facts{display:flex;flex-wrap:wrap;gap:0;margin-top:20px}
.fact{padding:0 20px;border-left:1px solid #d4e2ee;min-width:145px}
.fact:first-child{border-left:0;padding-left:0}
.fact b{display:block;color:var(--blue);font-size:17px;line-height:1.3;letter-spacing:.02em}
.fact span{font-size:12px;color:var(--muted)}
.index-panel{background:#fff;border:1px solid #d7e7f4;border-radius:18px;padding:21px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.index-panel:after{content:"";position:absolute;right:-32px;bottom:-32px;width:120px;height:120px;border:18px solid rgba(23,105,194,.055);border-radius:50%}
.panel-top{display:flex;align-items:flex-start;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:15px}
.panel-number{font-size:34px;font-weight:850;letter-spacing:-1px;color:var(--blue);line-height:1}
.panel-label{font-size:12px;font-weight:800;color:var(--muted);letter-spacing:.08em;padding-top:4px}
.panel-line{display:flex;justify-content:space-between;gap:12px;margin:10px 0;position:relative;z-index:1}
.panel-line span{color:var(--muted);font-size:13px}
.panel-line b{color:var(--ink);font-size:13px;text-align:right}
.section{padding:80px 0}
.content-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(290px,1fr);gap:30px;align-items:start}
.section-title{font-size:28px;letter-spacing:-.7px;line-height:1.3;margin-bottom:9px;font-weight:850}
.section-desc{color:var(--text);margin-bottom:0;line-height:1.85}
.list-toolbar{margin-bottom:17px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px 16px;box-shadow:0 6px 19px rgba(28,65,105,.04)}
.toolbar-top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:12px}
.result-count{font-size:13px;color:var(--text)}
.result-count b{color:var(--blue)}
.sort-button{border:0;background:transparent;color:var(--blue);font-size:13px;font-weight:750;padding:5px}
.filter-list{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.filter-list::-webkit-scrollbar{display:none}
.filter{border:1px solid var(--line);background:#fff;border-radius:999px;min-height:34px;padding:0 12px;color:var(--text);font-size:13px;white-space:nowrap;transition:.2s ease}
.filter:hover,.filter:focus-visible{border-color:#9cc7ec;color:var(--blue);background:var(--blue-soft)}
.filter.current{background:var(--blue-soft);border-color:#a9cfef;color:var(--blue);font-weight:800}
.feature-item,.content-item{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border .2s ease}
.feature-item{display:grid;grid-template-columns:128px minmax(0,1fr) 46px;gap:21px;padding:21px;border-left:5px solid var(--blue);margin-bottom:15px}
.content-item{display:grid;grid-template-columns:68px minmax(0,1fr) 42px;gap:17px;align-items:center;padding:17px 18px;margin-bottom:12px}
.feature-item:hover,.content-item:hover,.rail-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#b8d8f1}
.thumb-block{min-height:96px;background:linear-gradient(145deg,#eaf4ff,#f6fbff);border:1px solid #d6e8f7;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--blue);position:relative;overflow:hidden}
.thumb-block:after{content:"";position:absolute;width:110px;height:55px;border:1px solid rgba(23,105,194,.1);border-radius:110px 110px 0 0;bottom:-33px}
.thumb-number{font-size:28px;font-weight:850;line-height:1;position:relative;z-index:1}
.thumb-label{font-size:11px;font-weight:700;color:var(--muted);margin-top:4px;position:relative;z-index:1}
.small-index{width:48px;height:48px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:15px;font-weight:850}
.item-tag{display:inline-flex;padding:3px 8px;border-radius:5px;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:800;margin-bottom:7px}
.item-tag.teal{background:#e7f7f3;color:#157967}
.item-tag.orange{background:#fff4e8;color:#bd6819}
.item-title{font-size:18px;line-height:1.45;letter-spacing:-.25px;font-weight:850;margin:0 0 7px}
.content-item .item-title{font-size:16px;margin-bottom:5px}
.item-title a:hover{color:var(--blue)}
.item-summary{font-size:14px;line-height:1.75;color:var(--text);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;color:var(--muted);font-size:12px}
.item-meta span+span{padding-left:10px;border-left:1px solid var(--line)}
.item-arrow{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;color:var(--blue);align-self:center;transition:.2s ease}
.content-item:hover .item-arrow,.feature-item:hover .item-arrow{background:var(--blue);color:#fff;border-color:var(--blue)}
.pagination{display:flex;align-items:center;justify-content:center;gap:7px;padding-top:19px}
.page-link{min-width:39px;height:39px;border:1px solid var(--line);border-radius:9px;background:#fff;display:grid;place-items:center;color:var(--text);font-size:13px;font-weight:750;transition:.2s ease}
.page-link:hover{border-color:#a8cdeb;color:var(--blue)}
.page-link.active{background:var(--blue);border-color:var(--blue);color:#fff}
.rail{display:flex;flex-direction:column;gap:16px}
.rail-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px;box-shadow:0 7px 20px rgba(28,65,105,.05);transition:.2s ease}
.rail-card.pale{background:var(--blue-pale);border-color:#cfe4f5}
.rail-title{font-size:18px;line-height:1.4;font-weight:850;margin:0 0 13px}
.guide-list{list-style:none;padding:0;margin:0}
.guide-list li{display:flex;gap:11px;padding:11px 0;border-top:1px solid var(--line);font-size:14px;color:var(--text)}
.guide-list li:first-child{border-top:0;padding-top:0}
.guide-list b{display:grid;place-items:center;width:24px;height:24px;border-radius:7px;background:var(--blue-soft);color:var(--blue);font-size:11px;flex:0 0 auto}
.recommend{display:block;padding:12px 0;border-top:1px solid var(--line)}
.recommend:first-of-type{padding-top:0;border-top:0}
.recommend small{display:block;font-size:11px;color:var(--blue);font-weight:800;margin-bottom:3px}
.recommend strong{display:block;font-size:14px;line-height:1.55}
.recommend:hover strong{color:var(--blue)}
.rail-card p{color:var(--text);font-size:14px;line-height:1.8;margin-bottom:16px}
.rail-faq{border-top:1px solid var(--line);padding:11px 0}
.rail-faq:first-of-type{border-top:0;padding-top:0}
.rail-faq b{display:block;font-size:14px;line-height:1.5;margin-bottom:4px}
.rail-faq span{font-size:13px;color:var(--text);line-height:1.65}
.notice-section{padding:0 0 80px}
.notice-box{background:#fff;border:1px solid #dceaf5;border-radius:18px;padding:30px 34px;display:grid;grid-template-columns:60px minmax(0,1fr) auto;gap:20px;align-items:center;box-shadow:var(--shadow)}
.notice-icon{width:56px;height:56px;border-radius:15px;background:var(--blue-soft);display:grid;place-items:center;color:var(--blue)}
.notice-box h2{font-size:21px;margin:0 0 5px;font-weight:850}
.notice-box p{color:var(--text);font-size:14px;margin:0;line-height:1.8}
.faq-section{background:var(--blue-pale);padding:78px 0}
.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:54px;align-items:start}
.faq-side p{color:var(--text);line-height:1.9;margin-bottom:19px}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{border:1px solid #d4e5f4;border-radius:13px;background:#fff;overflow:hidden}
.faq-question{width:100%;min-height:58px;padding:14px 17px;display:flex;align-items:center;gap:12px;text-align:left;border:0;background:#fff;color:var(--ink);font-weight:800}
.faq-no{font-size:12px;color:var(--blue);letter-spacing:.08em}
.faq-icon{margin-left:auto;width:25px;height:25px;border-radius:7px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;transition:.2s ease}
.faq-answer{display:none;padding:0 55px 18px 52px;color:var(--text);font-size:14px;line-height:1.85}
.faq-item.open{background:#f8fcff;border-color:#bcdaf1}
.faq-item.open .faq-question{background:#f8fcff}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-icon{background:var(--blue);color:#fff}
.site-footer{background:#edf4fa;border-top:1px solid #dbe7f1;padding:55px 0 21px;position:relative;overflow:hidden}
.site-footer:after{content:"";position:absolute;right:-130px;bottom:-105px;width:360px;height:180px;border:1px solid rgba(23,105,194,.09);border-radius:360px 360px 0 0}
.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.45fr .8fr .8fr;gap:55px;padding-bottom:38px}
.footer-logo{margin-bottom:15px}
.footer-intro{color:var(--text);font-size:14px;line-height:1.85;max-width:355px;margin:0}
.footer-title{font-size:14px;margin:4px 0 13px;font-weight:850}
.footer-links{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.footer-links a{font-size:13px;color:var(--text)}
.footer-links a:hover{color:var(--blue);text-decoration:underline}
.footer-bottom{position:relative;z-index:1;border-top:1px solid #d5e2ed;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}
.fixed-cta{position:fixed;z-index:45;bottom:0;left:0;right:0;background:rgba(255,255,255,.98);border-top:1px solid #bcdaf1;box-shadow:0 -9px 28px rgba(28,65,105,.1)}
.fixed-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.fixed-copy{display:flex;align-items:center;gap:12px}
.status-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:999px;background:#e9f7f3;color:#157967;font-size:12px;font-weight:800;white-space:nowrap}
.status-badge i{width:6px;height:6px;background:var(--teal);border-radius:50%}
.fixed-copy strong{font-size:14px}
.fixed-copy span{font-size:13px;color:var(--text)}
:focus-visible{outline:3px solid rgba(23,105,194,.3);outline-offset:3px}
@media (max-width:1024px){
 .hero-channel-grid{grid-template-columns:minmax(0,1fr) 290px;gap:30px}
 .content-layout{grid-template-columns:minmax(0,1.55fr) minmax(260px,1fr);gap:22px}
 .footer-grid{gap:30px}
}
@media (max-width:767px){
 body{padding-bottom:126px;font-size:15px}
 .container{width:min(100% - 32px,1200px)}
 .brand-row{min-height:58px}
 .logo{font-size:15px;gap:8px;max-width:calc(100vw - 158px);overflow:hidden}
 .logo-mark{width:30px;height:30px;border-radius:9px;flex:0 0 auto}
 .brand-note{display:none}
 .header-actions{gap:6px}
 .icon-btn{display:none}
 .nav-cta{min-height:40px;padding:0 11px;font-size:13px}
 .channels{min-height:45px}
 .channel{font-size:13px;padding:0 10px}
 .section-code{display:none}
 .age-notice .container{justify-content:flex-start;font-size:12px;line-height:1.5}
 .channel-hero{padding:33px 0 36px;background:linear-gradient(160deg,#fff 0%,#fff 63%,#edf6ff 100%)}
 .hero-channel-grid{grid-template-columns:1fr;gap:22px}
 h1{font-size:32px;letter-spacing:-.8px}
 .hero-copy p{font-size:15px}
 .channel-facts{gap:13px}
 .fact{padding:0 13px;min-width:auto}
 .fact b{font-size:15px}
 .index-panel{padding:17px}
 .section{padding:55px 0}
 .section-title{font-size:24px}
 .content-layout{grid-template-columns:1fr;gap:25px}
 .feature-item{grid-template-columns:74px minmax(0,1fr);gap:13px;padding:15px}
 .feature-item .item-arrow{display:none}
 .thumb-block{min-height:74px}
 .thumb-number{font-size:22px}
 .content-item{grid-template-columns:48px minmax(0,1fr);gap:12px;padding:14px}
 .content-item .item-arrow{display:none}
 .small-index{width:43px;height:43px}
 .item-title,.content-item .item-title{font-size:16px}
 .item-summary{font-size:13px}
 .item-meta{gap:7px;margin-top:7px}
 .rail{display:grid;grid-template-columns:1fr;gap:12px}
 .notice-section{padding-bottom:55px}
 .notice-box{grid-template-columns:46px minmax(0,1fr);padding:21px;gap:14px}
 .notice-box .btn-secondary{grid-column:1 / -1;width:100%}
 .notice-icon{width:46px;height:46px}
 .notice-box h2{font-size:18px}
 .faq-section{padding:55px 0}
 .faq-grid{grid-template-columns:1fr;gap:24px}
 .faq-answer{padding:0 16px 16px 17px}
 .footer-grid{grid-template-columns:1fr;gap:25px;padding-bottom:28px}
 .footer-bottom{display:flex;flex-direction:column;gap:4px}
 .fixed-inner{min-height:76px;padding-top:8px;padding-bottom:calc(8px + env(safe-area-inset-bottom));gap:10px}
 .fixed-copy{display:block;min-width:0}
 .fixed-copy .status-badge{margin-bottom:2px}
 .fixed-copy span{display:none}
 .fixed-copy strong{display:block;font-size:12px;line-height:1.4}
 .fixed-inner .btn-primary{min-height:44px;padding:0 13px;white-space:nowrap;font-size:13px;flex:0 0 auto}
}
@media (max-width:520px){
 .breadcrumb{font-size:12px}
 .channel-facts{display:grid;grid-template-columns:1fr 1fr;width:100%}
 .fact{border-left:0;border-top:1px solid #d4e2ee;padding:9px 0 0}
 .fact:nth-child(-n+2){border-top:0;padding-top:0}
 .fact:nth-child(even){padding-left:13px;border-left:1px solid #d4e2ee}
 .toolbar-top{align-items:flex-start}
 .sort-button{padding-right:0}
 .feature-item{grid-template-columns:62px minmax(0,1fr)}
 .thumb-block{min-height:64px}
 .thumb-label{font-size:10px}
 .item-meta span+span{padding-left:7px}
}
@media (hover:none){
 .feature-item:hover,.content-item:hover,.rail-card:hover{transform:none}
 .feature-item:active,.content-item:active,.rail-card:active{transform:translateY(1px);box-shadow:0 5px 15px rgba(28,65,105,.09)}
}