/* roulang page: index */
:root{
      --blue:#1f6e9c;--blue-dark:#152536;--teal:#18a7a0;--orange:#e78b39;
      --bg:#f4f8fb;--card:#fff;--line:#dce7ef;--muted:#617184;--soft:#eaf3f8;
      --shadow:0 12px 32px rgba(25,65,92,.08);--shadow-hover:0 18px 40px rgba(25,65,92,.14);
      --radius:16px;--container:1240px;--ease:220ms ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--blue-dark);background:var(--bg);font-size:16px;line-height:1.85}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
    button,input{font:inherit} button{cursor:pointer;border:0}
    ::selection{background:#b9dceb;color:var(--blue-dark)}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--teal)}
    h1,h2,h3{line-height:1.25;letter-spacing:-.035em}
    h1{font-size:clamp(38px,5vw,62px);font-weight:800}
    h2{font-size:clamp(29px,3.5vw,42px);font-weight:800}
    h3{font-size:21px}
    .section{padding:104px 0}
    .section-head{max-width:760px;margin-bottom:42px}
    .section-head h2{margin:13px 0 16px}
    .section-head p{color:var(--muted);font-size:17px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(31,110,156,.2)}
    .btn-primary:hover{background:#185b82;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
    .btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(24,167,160,.4);outline-offset:3px}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:var(--ease)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;min-width:180px;font-size:21px;font-weight:800;letter-spacing:-.04em}
    .pulse{width:30px;height:30px;border-radius:9px;background:var(--blue);position:relative;overflow:hidden}
    .pulse:after{content:"";position:absolute;left:4px;right:4px;top:14px;height:2px;background:#fff;box-shadow:6px -5px 0 #fff,11px 4px 0 #fff,17px -8px 0 #fff}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{font-size:14px;color:var(--muted);padding:9px 11px;border-radius:8px;white-space:nowrap;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue)}
    .nav-right{display:flex;align-items:center;gap:10px}
    .command{height:42px;width:190px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:8px;padding:0 10px;color:#90a0ad;background:#fff;font-size:13px}
    .command kbd{margin-left:auto;border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:10px;color:var(--muted)}
    .menu-btn{display:none;background:var(--soft);color:var(--blue);width:42px;height:42px;border-radius:9px}
    .hero{padding:76px 0 28px;background:#fff;position:relative;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:65px;align-items:center}
    .hero h1{max-width:680px;margin:15px 0 22px}
    .hero-copy{font-size:18px;color:var(--muted);max-width:650px}
    .hero-tags{display:flex;gap:9px;margin:25px 0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-visual{min-height:445px;border-radius:24px;overflow:hidden;position:relative;background:url('/assets/images/backpic/back-1.webp') center/cover;box-shadow:var(--shadow)}
    .hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(21,37,54,.08),rgba(21,37,54,.52))}
    .score-panel{position:absolute;z-index:1;left:25px;right:25px;bottom:24px;background:rgba(255,255,255,.95);border:1px solid rgba(255,255,255,.8);border-radius:15px;padding:18px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow)}
    .score-panel strong{font-size:30px;color:var(--blue-dark)}
    .score-panel small{display:block;color:var(--muted)}
    .live{color:var(--teal);font-weight:700;font-size:13px}
    .hero-note{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:55px;background:var(--line);border:1px solid var(--line)}
    .hero-note div{background:var(--bg);padding:16px 20px;color:var(--muted);font-size:14px}.hero-note b{display:block;color:var(--blue-dark);margin-bottom:3px}
    .pain{background:var(--bg)}
    .pain-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
    .reading-card{background:#fff;border:1px solid var(--line);padding:34px;border-radius:20px;box-shadow:var(--shadow)}
    .reading-card p{margin:0 0 18px;color:#4f6373}
    .reading-card p:last-child{margin-bottom:0}
    .question-list{display:flex;flex-direction:column;gap:13px}
    .question{display:flex;gap:17px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:var(--ease)}
    .question:hover{transform:translateX(4px);box-shadow:var(--shadow)}
    .number{font-size:22px;color:var(--teal);font-weight:800}
    .question h3{font-size:18px;margin-bottom:5px}.question p{font-size:14px;color:var(--muted);line-height:1.65}
    .solution{background:#eaf3f8}
    .solution-top{max-width:850px;margin-bottom:42px}
    .solution-top p{color:var(--muted);margin-top:15px}
    .feature-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:stretch}
    .feature-image{min-height:480px;border-radius:20px;overflow:hidden;position:relative}
    .feature-image img{width:100%;height:100%;object-fit:cover}
    .feature-image figcaption{position:absolute;bottom:20px;left:20px;background:#fff;padding:10px 15px;border-radius:9px;font-size:13px;color:var(--blue)}
    .feature-list{display:flex;flex-direction:column;gap:12px}
    .feature-item{background:#fff;border:1px solid var(--line);padding:20px 22px;border-radius:14px;display:grid;grid-template-columns:42px 1fr;gap:15px;transition:var(--ease)}
    .feature-item:first-child{padding:27px 22px}
    .feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .feature-icon{width:40px;height:40px;border-radius:11px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:800}
    .feature-item p{font-size:14px;color:var(--muted);line-height:1.7;margin-top:4px}
    .feature-item a{display:inline-block;color:var(--blue);font-size:13px;margin-top:7px;font-weight:700}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:55px;border-top:1px solid #c9dce7}
    .step{padding:24px 22px 0;border-right:1px solid #c9dce7}.step:last-child{border:0}.step b{font-size:29px;color:var(--blue);display:block}.step h3{font-size:18px;margin:8px 0}.step p{color:var(--muted);font-size:14px;line-height:1.65}
    .deep-copy{margin-top:48px;background:#fff;border-radius:20px;padding:38px;border:1px solid var(--line);max-width:940px}
    .deep-copy h3{margin:23px 0 9px}.deep-copy p{color:#526676;margin-bottom:15px}.deep-copy ul{padding-left:23px;color:#526676}.deep-copy li{margin:5px 0}
    .quote{border-left:4px solid var(--teal);background:#f0f8f8;padding:16px 20px;margin:20px 0;color:var(--blue-dark);font-weight:600}
    .outcomes{background:#fff}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:45px}
    .metric{padding:24px;background:var(--bg);border-right:1px solid var(--line)}.metric:last-child{border:0}.metric strong{display:block;font-size:27px;color:var(--blue)}.metric span{font-size:13px;color:var(--muted)}
    .outcome-grid{display:grid;grid-template-columns:7fr 5fr;gap:45px}.outcome-copy h3{margin:24px 0 7px}.outcome-copy p{color:var(--muted);margin-bottom:13px}
    .mini-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}.mini-card{border:1px solid var(--line);border-radius:15px;padding:20px;background:#fff;box-shadow:var(--shadow)}.mini-card:nth-child(2){margin-top:30px}.mini-card:nth-child(3){margin-top:-10px}.mini-card img{height:130px;width:100%;object-fit:cover;border-radius:10px;margin-bottom:14px}.mini-card h3{font-size:18px}.mini-card p{font-size:13px;color:var(--muted);line-height:1.65;margin-top:5px}
    .columns{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:42px;border-top:1px solid var(--line);padding-top:22px}.column-row{padding:14px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:90px 1fr;gap:16px}.column-row time{font-size:13px;color:var(--orange)}.column-row h3{font-size:17px}.column-row p{font-size:13px;color:var(--muted);line-height:1.6}
    .news{background:var(--bg)}.news-grid{display:grid;grid-template-columns:5fr 7fr;gap:30px}.featured-news{background:#fff;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}.featured-news img{height:250px;width:100%;object-fit:cover}.featured-news article{padding:25px}.featured-news h3{margin:11px 0;font-size:24px}.featured-news p,.news-row p{color:var(--muted);font-size:14px;line-height:1.7}.news-row{display:grid;grid-template-columns:90px 1fr auto;gap:16px;align-items:start;padding:17px 0;border-bottom:1px solid var(--line)}.news-row time{font-size:13px;color:var(--orange)}.news-row h3{font-size:17px;margin-bottom:4px}.more{color:var(--blue);font-size:13px;font-weight:700;white-space:nowrap}
    .brand{background:#fff}.brand-grid{display:grid;grid-template-columns:8fr 4fr;gap:50px;align-items:center}.brand-copy p{color:var(--muted);margin:16px 0}.brand-card{background:var(--soft);padding:32px;border-radius:20px;min-height:240px;display:flex;flex-direction:column;justify-content:space-between}.brand-card .logo{font-size:25px}.brand-card p{color:var(--muted);font-size:14px}.brand-tags{display:flex;gap:7px;flex-wrap:wrap}
    .voices{background:#eaf3f8}.voice-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:17px;align-items:start}.voice{background:#fff;padding:27px;border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow)}.voice:nth-child(2){margin-top:35px}.voice:nth-child(3){margin-top:12px}.voice q{display:block;font-size:19px;line-height:1.65;margin:13px 0 22px}.voice q:before{content:"“";font-size:48px;color:var(--teal);line-height:.3;vertical-align:-.35em;margin-right:5px}.voice small{color:var(--muted)}
    .faq{background:#fff}.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:60px}.faq-intro p{color:var(--muted);margin-top:17px}.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}.faq-list summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq-list summary:after{content:"＋";color:var(--blue);font-size:20px}.faq-list details[open] summary:after{content:"－"}.faq-list details p{color:var(--muted);font-size:14px;padding:12px 30px 0 0}
    .cta{padding:75px 0;background:#e5f2f8}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:35px}.cta-box p{color:var(--muted);max-width:670px;margin-top:12px}.form{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}.form input,.form select{height:46px;padding:0 13px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted);min-width:150px}.form select{min-width:170px}.form-message{width:100%;text-align:right;color:var(--teal);font-size:13px;min-height:20px}
    footer{background:var(--blue-dark);color:#d5e1e9;padding:55px 0 22px}.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}.footer-logo{color:#fff;margin-bottom:14px}.footer-top p{color:#9eb1bf;font-size:14px;max-width:300px}.footer h3{color:#fff;font-size:15px;margin-bottom:13px}.footer a{display:block;color:#9eb1bf;font-size:14px;margin:7px 0;transition:var(--ease)}.footer a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;color:#91a6b5;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    @media(max-width:1100px){.nav{gap:12px}.logo{min-width:160px}.nav-links a{padding:8px 6px}.command{width:150px}.hero-grid{gap:35px}}
    @media(max-width:800px){.nav-links,.nav-right .command,.nav-right .btn{display:none}.menu-btn{display:block}.nav-right{margin-left:auto}.nav{height:68px}.hero{padding-top:48px}.hero-grid,.pain-grid,.feature-grid,.outcome-grid,.news-grid,.brand-grid,.faq-grid{grid-template-columns:1fr}.hero-visual{min-height:330px;order:-1}.hero-note{grid-template-columns:1fr}.section{padding:68px 0}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(3){border-top:1px solid #c9dce7}.metric-strip{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(3){border-top:1px solid var(--line)}.metric:nth-child(4){border-top:1px solid var(--line);border-right:0}.voice-grid{grid-template-columns:1fr}.voice:nth-child(2),.voice:nth-child(3){margin-top:0}.footer-top{grid-template-columns:1.5fr 1fr 1fr}}
    @media(max-width:520px){.container{width:min(100% - 30px,var(--container))}.hero h1{font-size:37px}.hero-copy{font-size:16px}.hero-visual{min-height:280px}.score-panel{left:12px;right:12px;bottom:12px;padding:13px}.score-panel strong{font-size:23px}.reading-card,.deep-copy{padding:23px}.steps,.metric-strip,.columns,.mini-cards{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid #c9dce7!important;padding:18px 0}.step:last-child{border:0!important}.metric{border-right:0!important}.news-row{grid-template-columns:70px 1fr}.news-row .more{grid-column:2}.footer-top{grid-template-columns:1fr 1fr}.footer-top>div:first-child{grid-column:1/-1}.cta-box{display:block}.form{justify-content:flex-start;margin-top:24px}.form input,.form select{width:100%}.form .btn{width:100%}.form-message{text-align:left}}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --blue:#1f6e9c;--blue-dark:#152536;--teal:#18a7a0;--orange:#e78b39;
 --bg:#f4f8fb;--card:#fff;--line:#dce7ef;--muted:#617184;--soft:#eaf3f8;
 --shadow:0 12px 32px rgba(25,65,92,.08);--shadow-hover:0 18px 40px rgba(25,65,92,.14);
 --radius:16px;--container:1240px;--ease:220ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--blue-dark);background:var(--bg);font-size:16px;line-height:1.85}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer;border:0}
::selection{background:#bfe5e7;color:var(--blue-dark)}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-.045em;margin-bottom:20px}
h2{font-size:clamp(28px,3.5vw,40px);line-height:1.25;letter-spacing:-.035em}
h3{line-height:1.4}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--teal)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;transition:var(--ease);border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(31,110,156,.2)}
.btn-primary:hover{background:#185b82;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(24,167,160,.4);outline-offset:3px}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:var(--ease)}
.nav{height:76px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;min-width:180px;font-size:21px;font-weight:800;letter-spacing:-.04em}
.pulse{width:23px;height:23px;border-radius:8px;background:var(--blue);position:relative;display:inline-block}
.pulse:after{content:"";position:absolute;left:5px;right:5px;top:10px;height:3px;background:#fff;transform:skew(-28deg)}
.nav-links{display:flex;align-items:center;gap:5px;flex:1}
.nav-links a{font-size:14px;color:var(--muted);padding:9px 11px;border-radius:8px;white-space:nowrap;transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue)}
.nav-right{display:flex;align-items:center;gap:10px}
.command{height:42px;min-width:190px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:9px;padding:0 11px;color:var(--muted);font-size:13px;background:#fff;cursor:pointer}
.command span:first-child{font-size:22px;color:var(--blue)}
.command kbd{margin-left:auto;border:1px solid var(--line);background:var(--bg);padding:1px 5px;border-radius:5px;font-size:10px}
.menu-btn{display:none;background:var(--soft);color:var(--blue);width:42px;height:42px;border-radius:9px}
.page-hero{padding:65px 0 58px;background:#fff;border-bottom:1px solid var(--line)}
.page-hero-grid{display:grid;grid-template-columns:1fr 390px;gap:70px;align-items:center}
.page-hero p{max-width:700px;color:var(--muted);font-size:18px}
.breadcrumb{display:flex;gap:10px;color:var(--muted);font-size:13px;margin-bottom:28px}
.breadcrumb a{color:var(--blue)}
.hero-image{height:240px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);position:relative}
.hero-image img{height:100%;width:100%;object-fit:cover}
.hero-image:after{content:"赛事节奏 · 信息清晰";position:absolute;bottom:16px;left:16px;color:#fff;background:rgba(21,37,54,.78);padding:6px 12px;border-radius:8px;font-size:13px}
.content-section{padding:86px 0}
.directory-layout{display:grid;grid-template-columns:220px 1fr;gap:45px;align-items:start}
.sidebar{position:sticky;top:100px}
.sidebar h3{font-size:17px;margin:0 0 15px}
.side-nav{border-left:2px solid var(--line);display:flex;flex-direction:column}
.side-nav a{padding:10px 15px;color:var(--muted);font-size:14px;transition:var(--ease)}
.side-nav a:hover,.side-nav a.active{color:var(--blue);background:var(--soft);border-left:2px solid var(--blue);margin-left:-2px}
.side-note{margin-top:28px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px;font-size:13px;color:var(--muted)}
.content-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:27px}
.content-head p{color:var(--muted);max-width:650px;margin:9px 0 0}
.filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.filter button{background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 14px;color:var(--muted);font-size:13px;transition:var(--ease)}
.filter button:hover,.filter button.active{background:var(--blue);border-color:var(--blue);color:#fff}
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;align-items:start}
.article-card{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden;box-shadow:var(--shadow);transition:var(--ease)}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.article-card.featured{grid-column:span 2;display:grid;grid-template-columns:1.02fr 1fr}
.article-card img{width:100%;height:205px;object-fit:cover}
.article-card.featured img{height:100%;min-height:280px}
.article-body{padding:22px}
.meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin-bottom:11px}
.article-card h3{font-size:20px;margin:0 0 9px}
.article-card p{font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:16px}
.read-more{color:var(--blue);font-size:13px;font-weight:700}
.read-more:hover{color:var(--teal)}
.intro-band{background:var(--soft);padding:78px 0}
.intro-grid{display:grid;grid-template-columns:5fr 7fr;gap:70px}
.intro-grid h2{margin-bottom:18px}
.prose{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 38px;box-shadow:var(--shadow)}
.prose p{color:#4f6373;margin-bottom:19px}
.prose p:last-child{margin-bottom:0}
.prose h3{font-size:20px;margin:25px 0 8px}
.insight-list{display:grid;gap:13px;margin-top:22px}
.insight{display:grid;grid-template-columns:40px 1fr;gap:14px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px}
.insight b{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--blue);color:#fff}
.insight h3{font-size:17px;margin:0 0 3px}
.insight p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
.pager{display:flex;justify-content:center;gap:8px;margin-top:32px}
.pager a{width:40px;height:40px;border:1px solid var(--line);border-radius:9px;background:#fff;display:grid;place-items:center;color:var(--muted);font-size:14px}
.pager a.active,.pager a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.faq-section{padding:86px 0;background:#fff}
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:70px}
.faq-grid>div>p{color:var(--muted)}
.faq-list{display:grid;gap:10px}
details{border:1px solid var(--line);border-radius:13px;background:#fff;padding:0 20px}
summary{padding:17px 0;font-weight:700;cursor:pointer;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";float:right;color:var(--blue);font-size:20px}
details[open] summary:after{content:"－"}
details p{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding:13px 0 16px;margin:0}
.cta{padding:70px 0}
.cta-box{background:#e8f4f8;border:1px solid #cce4ee;border-radius:23px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-box h2{margin:0 0 10px}
.cta-box p{color:var(--muted);margin:0;max-width:670px}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
footer{background:var(--blue-dark);color:#c8d5df;padding:54px 0 22px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:42px}
.footer-logo{color:#fff;margin-bottom:16px}
.footer-top p{font-size:14px;line-height:1.8;max-width:310px;color:#9eb0bd}
.footer-top h3{font-size:14px;color:#fff;margin:3px 0 14px}
.footer-top a{display:block;font-size:13px;color:#a9bbc6;margin:8px 0;transition:var(--ease)}
.footer-top a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(220,231,239,.16);padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#91a4b1}
.footer-bottom a{color:#c8d5df}
@media(max-width:1280px){.nav{gap:16px}.nav-links a{padding:8px 7px}.logo{min-width:155px}}
@media(max-width:1024px){.nav-links{display:none}.command{min-width:42px;width:42px;padding:0;justify-content:center}.command span:nth-child(2),.command kbd{display:none}.menu-btn{display:block}.page-hero-grid{grid-template-columns:1fr 330px;gap:35px}.directory-layout{grid-template-columns:185px 1fr}.footer-top{grid-template-columns:2fr 1fr 1fr}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.nav{height:68px}.nav-right .btn{display:none}.page-hero{padding:42px 0}.page-hero-grid,.directory-layout,.intro-grid,.faq-grid{grid-template-columns:1fr;gap:30px}.hero-image{height:220px}.sidebar{position:static}.side-nav{display:grid;grid-template-columns:repeat(3,1fr);border:0;gap:7px}.side-nav a{border:1px solid var(--line);border-radius:8px;padding:8px;text-align:center}.side-nav a:hover,.side-nav a.active{border:1px solid var(--blue);margin:0}.article-card.featured{display:block}.article-card.featured img{height:230px;min-height:0}.content-section,.faq-section{padding:62px 0}.intro-band{padding:60px 0}.cta{padding:52px 0}.cta-box{display:block;padding:30px 25px}.cta-actions{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr}.footer-top>div:first-child{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}}
@media(max-width:480px){body{font-size:15px}.hero-image{height:185px}.article-grid{grid-template-columns:1fr}.article-card.featured{grid-column:auto}.article-card img{height:180px}.side-nav{grid-template-columns:repeat(2,1fr)}.prose{padding:24px 20px}.content-head{display:block}.filter{margin-top:18px}.footer-top{grid-template-columns:1fr;gap:22px}.footer-top>div:first-child{grid-column:auto}.cta-box h2{font-size:27px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
      --blue:#1f6e9c;--blue-dark:#152536;--teal:#18a7a0;--orange:#e78b39;
      --bg:#f4f8fb;--card:#fff;--line:#dce7ef;--muted:#617184;--soft:#eaf3f8;
      --shadow:0 12px 32px rgba(25,65,92,.08);
      --shadow-hover:0 18px 40px rgba(25,65,92,.14);
      --radius:16px;--container:1240px;--ease:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--blue-dark);background:var(--bg);font-size:16px;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:#b9e1e4;color:var(--blue-dark)}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .narrow{max-width:820px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.2;letter-spacing:-.055em;margin-bottom:18px}
    h2{font-size:clamp(30px,3.4vw,40px);line-height:1.28;letter-spacing:-.04em}
    h3{line-height:1.4;margin-bottom:6px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--teal)}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(31,110,156,.2)}
    .btn-primary:hover{background:#185b82;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
    .btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(24,167,160,.4);outline-offset:3px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:var(--ease)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;min-width:180px;font-size:21px;font-weight:800;letter-spacing:-.04em}
    .pulse{width:22px;height:22px;border-radius:7px;background:var(--blue);position:relative;display:inline-block}
    .pulse:after{content:"";position:absolute;left:4px;right:4px;top:10px;height:2px;background:#fff;box-shadow:4px -4px 0 -0.5px #fff,8px 3px 0 -0.5px #fff}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{font-size:14px;color:var(--muted);padding:9px 11px;border-radius:8px;white-space:nowrap;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue)}
    .nav-right{display:flex;align-items:center;gap:10px}
    .command{height:42px;min-width:190px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:13px;background:#fff}
    .command span:first-child{font-size:20px;color:var(--blue)}
    .command kbd{margin-left:auto;padding:2px 6px;border:1px solid var(--line);border-radius:5px;font-size:10px;color:var(--muted);white-space:nowrap}
    .menu-btn{display:none;background:var(--soft);color:var(--blue);width:42px;height:42px;border-radius:9px}
    .crumbs{padding:25px 0 8px;color:var(--muted);font-size:13px}
    .crumbs a{color:var(--blue)}
    .hero{padding:20px 0 70px;background:#fff}
    .hero-layout{display:grid;grid-template-columns:7fr 5fr;gap:42px;align-items:stretch}
    .hero-copy{padding:38px 0 20px}
    .hero-copy>p{max-width:690px;color:var(--muted);font-size:18px}
    .hero-tags{display:flex;gap:9px;margin:20px 0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
    .hero-poster{min-height:355px;border-radius:22px;overflow:hidden;position:relative;background:url('/assets/images/backpic/back-2.webp') center/cover;box-shadow:var(--shadow)}
    .hero-poster:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(21,37,54,.03),rgba(21,37,54,.72))}
    .poster-caption{position:absolute;z-index:1;left:28px;right:28px;bottom:25px;color:#fff}
    .poster-caption h2{font-size:28px;margin:9px 0 4px}
    .flash{display:flex;align-items:center;gap:13px;padding:13px 16px;margin-bottom:17px;border:1px solid #f0d7bc;background:#fffaf5;border-radius:12px;color:#89501f;font-size:14px}
    .countdown{font-weight:800;color:var(--orange);letter-spacing:.08em;white-space:nowrap}
    .spotlight{padding:84px 0}
    .spotlight-grid{display:grid;grid-template-columns:5fr 7fr;gap:34px;align-items:start}
    .lead-story{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
    .lead-story img{height:285px;width:100%;object-fit:cover}
    .lead-body{padding:27px}
    .lead-body h2{font-size:28px;margin:12px 0}
    .lead-body p{color:var(--muted);margin-bottom:18px}
    .numbered{background:#fff;border-top:3px solid var(--blue);padding:18px 24px;box-shadow:var(--shadow)}
    .numbered-item{display:grid;grid-template-columns:48px 1fr;gap:12px;padding:17px 0;border-bottom:1px solid var(--line)}
    .numbered-item:last-child{border-bottom:0}
    .number{font-size:25px;font-weight:800;color:var(--teal);line-height:1}
    .numbered-item h3{font-size:18px}
    .numbered-item p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
    .intro-band{background:#eaf3f8;padding:80px 0}
    .intro-grid{display:grid;grid-template-columns:3fr 9fr;gap:55px}
    .chapter-nav{position:sticky;top:104px}
    .chapter-nav a{display:block;padding:12px 0;border-bottom:1px solid #cbdde8;color:var(--muted);font-size:14px}
    .chapter-nav a:hover{color:var(--blue)}
    .article-text{background:#fff;padding:40px 46px;border-radius:20px;box-shadow:var(--shadow)}
    .article-text p{color:#4f6373;margin-bottom:20px}
    .article-text h2{font-size:30px;margin:28px 0 13px}
    .article-text h3{font-size:21px;margin-top:25px}
    .article-text ul{padding-left:22px;color:#4f6373}
    .quote{margin:28px 0;padding:21px 25px;border-left:4px solid var(--teal);background:#f5fbfb;color:var(--blue-dark);font-weight:600}
    .reading-path{padding:82px 0;background:#fff}
    .path-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .path-step{padding:26px 22px 10px 0;border-right:1px solid var(--line);margin-right:22px}
    .path-step:last-child{border-right:0}
    .path-step b{display:block;color:var(--teal);font-size:13px;margin-bottom:10px}
    .path-step h3{font-size:19px}
    .path-step p{color:var(--muted);font-size:14px;line-height:1.7}
    .content-stream{padding:88px 0}
    .stream-grid{display:grid;grid-template-columns:7fr 5fr;gap:38px}
    .stream-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px 25px}
    .stream-row{display:grid;grid-template-columns:92px 1fr auto;gap:15px;padding:20px 0;border-bottom:1px solid var(--line);align-items:start}
    .stream-row:last-child{border-bottom:0}
    .stream-row time{font-size:13px;color:var(--orange)}
    .stream-row h3{font-size:18px}
    .stream-row p{font-size:14px;color:var(--muted);line-height:1.65;margin:0}
    .stream-row a{color:var(--blue);font-size:13px;font-weight:700;white-space:nowrap}
    .side-note{padding:30px;background:var(--blue-dark);color:#fff;border-radius:19px;min-height:280px}
    .side-note p{color:#c5d5df;font-size:15px}
    .side-note .tag{background:rgba(255,255,255,.12);color:#d8f2f1;margin-bottom:18px}
    .faq{padding:82px 0;background:#fff}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:55px}
    .faq-intro p{color:var(--muted)}
    details{border-top:1px solid var(--line);padding:18px 0}
    details:last-child{border-bottom:1px solid var(--line)}
    summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--blue);font-size:20px}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;max-width:700px;margin:10px 30px 0 0}
    .cta{padding:72px 0;background:#eaf3f8}
    .cta-box{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
    .cta-box p{color:var(--muted);max-width:580px}
    .cta-actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}
    footer{background:var(--blue-dark);color:#d8e4eb;padding:54px 0 22px}
    .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(216,228,235,.16)}
    .footer-logo{color:#fff;margin-bottom:14px}
    footer p{color:#aebfca;max-width:310px;font-size:14px}
    footer h3{font-size:15px;color:#fff;margin-bottom:14px}
    footer a{display:block;color:#aebfca;font-size:14px;margin:7px 0;transition:var(--ease)}
    footer a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#93aab8;font-size:12px}
    .footer-bottom a{display:inline;color:#b9d5df}
    @media(max-width:1280px){.nav{gap:16px}.logo{min-width:160px}.nav-links a{padding:8px 7px}.command{min-width:165px}}
    @media(max-width:1024px){.nav-links{display:none}.nav-right{margin-left:auto}.menu-btn{display:block}.hero-layout,.spotlight-grid,.stream-grid,.intro-grid,.faq-grid,.cta-box{grid-template-columns:1fr}.hero-poster{min-height:330px}.chapter-nav{position:static;display:flex;gap:18px;overflow:auto;margin-bottom:28px}.chapter-nav a{white-space:nowrap}.path-row{grid-template-columns:repeat(2,1fr);gap:20px}.path-step{border-right:0;margin:0;border-bottom:1px solid var(--line)}.footer-top{grid-template-columns:2fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.nav{height:68px}.command{min-width:42px;width:42px;overflow:hidden;padding:0 10px}.command span:nth-child(2),.command kbd{display:none}.hero{padding-top:8px}.hero-copy{padding-top:20px}.hero-copy>p{font-size:16px}.hero-poster{min-height:280px}.spotlight,.intro-band,.reading-path,.content-stream,.faq{padding:60px 0}.article-text{padding:28px 22px}.stream-row{grid-template-columns:76px 1fr}.stream-row>a{grid-column:2}.cta-actions{justify-content:flex-start}.footer-top{grid-template-columns:1fr 1fr}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}
    @media(max-width:480px){h1{font-size:35px}.logo{min-width:auto;font-size:19px}.btn{width:100%}.hero-actions{display:grid}.flash{align-items:flex-start;flex-direction:column;gap:4px}.poster-caption{left:19px;right:19px}.poster-caption h2{font-size:23px}.lead-body{padding:22px}.lead-body h2{font-size:24px}.path-row{grid-template-columns:1fr}.stream-list{padding:5px 17px}.stream-row{grid-template-columns:1fr;gap:3px}.stream-row>a{grid-column:auto}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category3 */
:root{
      --blue:#1f6e9c;--blue-dark:#152536;--teal:#18a7a0;--orange:#e78b39;
      --bg:#f4f8fb;--card:#fff;--line:#dce7ef;--muted:#617184;--soft:#eaf3f8;
      --shadow:0 12px 32px rgba(25,65,92,.08);--shadow-hover:0 18px 40px rgba(25,65,92,.14);
      --radius:16px;--container:1240px;--ease:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--blue-dark);background:var(--bg);font-size:16px;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:#bfe6eb;color:var(--blue-dark)}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:var(--ease)}
    .nav{height:76px;display:flex;align-items:center;gap:26px}
    .logo{display:flex;align-items:center;gap:10px;min-width:180px;font-size:21px;font-weight:800;letter-spacing:-.04em}
    .pulse{width:25px;height:25px;border-radius:8px;background:var(--soft);position:relative;display:inline-block}
    .pulse:after{content:"";position:absolute;left:5px;right:5px;top:11px;height:3px;background:var(--teal);transform:skewX(-28deg);box-shadow:5px -5px 0 var(--blue),10px 3px 0 var(--teal)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:14px;color:var(--muted);padding:9px 10px;border-radius:8px;white-space:nowrap;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue)}
    .nav-right{display:flex;align-items:center;gap:10px}
    .command{height:42px;min-width:180px;display:flex;align-items:center;gap:8px;padding:0 10px;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:13px;background:#fff}
    .command span:first-child{font-size:22px;color:var(--blue);line-height:1}
    kbd{margin-left:auto;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:1px 5px;font-size:10px;color:var(--muted);background:var(--bg)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:10px;font-weight:700;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(31,110,156,.2)}
    .btn-primary:hover{background:#185b82;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
    .btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(24,167,160,.4);outline-offset:3px}
    .menu-btn{display:none;background:var(--soft);color:var(--blue);width:42px;height:42px;border-radius:9px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--teal)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,58px);line-height:1.2;letter-spacing:-.055em;margin-bottom:20px}
    h2{font-size:clamp(28px,3.5vw,40px);line-height:1.3;letter-spacing:-.04em;margin-bottom:15px}
    h3{font-size:20px;line-height:1.4;margin-bottom:8px}
    .section{padding:86px 0}
    .section-head{max-width:780px;margin-bottom:38px}
    .section-head p,.muted{color:var(--muted)}
    .hero{padding:58px 0 34px;background:#fff}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center}
    .hero-copy{font-size:18px;color:var(--muted);max-width:680px}
    .hero-tags{display:flex;gap:9px;flex-wrap:wrap;margin:24px 0}
    .tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:99px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
    .hero-visual{height:390px;border-radius:24px;overflow:hidden;position:relative;background:#dfeef4;box-shadow:var(--shadow)}
    .hero-visual img{height:100%;width:100%;object-fit:cover}
    .hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(21,37,54,.02),rgba(21,37,54,.55))}
    .visual-card{position:absolute;z-index:2;background:#fff;border:1px solid rgba(255,255,255,.7);border-radius:13px;padding:14px 17px;box-shadow:var(--shadow);font-size:13px}
    .visual-card strong{display:block;font-size:22px;color:var(--blue-dark);line-height:1.2}
    .visual-card.one{left:22px;bottom:24px}.visual-card.two{right:20px;top:25px}
    .crumbs{padding:21px 0 0;color:var(--muted);font-size:13px}
    .crumbs a{color:var(--blue)}
    .attention{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg)}
    .attention-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0}
    .attention-item{padding:20px 24px;border-right:1px solid var(--line)}
    .attention-item:last-child{border-right:0}
    .attention-item b{display:block;color:var(--blue-dark);font-size:15px}
    .attention-item span{font-size:13px;color:var(--muted)}
    .timeline{position:relative;margin-top:35px;padding-left:32px}
    .timeline:before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:#c8e1e8}
    .timeline-item{position:relative;padding:0 0 34px 28px;display:grid;grid-template-columns:120px 1fr;gap:24px}
    .timeline-item:before{content:"";position:absolute;left:2px;top:8px;width:16px;height:16px;border:4px solid var(--bg);border-radius:50%;background:var(--teal);box-shadow:0 0 0 1px #a9d7dd}
    .timeline-item time{color:var(--orange);font-size:13px;font-weight:700;padding-top:2px}
    .timeline-item article{background:#fff;border:1px solid var(--line);padding:22px 25px;border-radius:15px;box-shadow:var(--shadow)}
    .timeline-item article:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);transition:var(--ease)}
    .timeline-item p{color:var(--muted);font-size:14px;margin-bottom:12px}
    .intro-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 38px;box-shadow:var(--shadow);font-size:16px;color:#4f6373}
    .intro-panel p{margin-bottom:18px}
    .intro-panel p:last-child{margin-bottom:0}
    .highlight{margin-top:22px;padding:18px 22px;border-left:4px solid var(--teal);background:var(--soft);color:var(--blue-dark);font-weight:600}
    .feature-band{background:#eaf3f8}
    .feature-layout{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:stretch}
    .feature-image{min-height:460px;border-radius:20px;overflow:hidden;position:relative}
    .feature-image img{width:100%;height:100%;object-fit:cover}
    .feature-list{display:flex;flex-direction:column;gap:13px}
    .feature-item{background:#fff;border:1px solid var(--line);padding:20px 22px;border-radius:14px;display:grid;grid-template-columns:42px 1fr;gap:15px;transition:var(--ease)}
    .feature-item:first-child{padding:27px 22px}
    .feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .feature-icon{width:40px;height:40px;border-radius:11px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:800}
    .feature-item p{font-size:14px;color:var(--muted);line-height:1.7;margin:3px 0 0}
    .feature-item a{display:inline-block;color:var(--blue);font-size:13px;margin-top:7px;font-weight:700}
    .schedule{margin-top:38px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
    .schedule-options{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
    .slot{padding:9px 13px;border:1px solid var(--line);border-radius:9px;background:var(--bg);font-size:13px;color:var(--muted)}
    .slot.active{border-color:var(--teal);background:#e5f7f6;color:#137f7b;font-weight:700}
    .content-grid{display:grid;grid-template-columns:7fr 5fr;gap:42px;align-items:start}
    .reading-card{background:#fff;border:1px solid var(--line);padding:34px;border-radius:20px;box-shadow:var(--shadow)}
    .reading-card p{color:#4f6373;margin-bottom:18px}
    .reading-card ul{padding-left:22px;color:#4f6373}
    .reading-card li{margin:8px 0}
    .mini-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .mini-card{border:1px solid var(--line);border-radius:15px;padding:18px;background:#fff;box-shadow:var(--shadow)}
    .mini-card:nth-child(2){margin-top:28px}
    .mini-card:nth-child(3){margin-top:-8px}
    .mini-card img{height:125px;width:100%;object-fit:cover;border-radius:10px;margin-bottom:13px}
    .mini-card h3{font-size:18px}
    .mini-card p{font-size:13px;color:var(--muted);line-height:1.65;margin:4px 0 0}
    .list-section{background:#fff}
    .article-list{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}
    .featured-article{border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);background:#fff}
    .featured-article img{height:275px;width:100%;object-fit:cover}
    .featured-article .article-body{padding:25px}
    .article-body p,.compact-article p{color:var(--muted);font-size:14px;line-height:1.7}
    .compact-list{border-top:1px solid var(--line)}
    .compact-article{padding:17px 0;border-bottom:1px solid var(--line)}
    .compact-meta{display:flex;gap:10px;align-items:center;color:var(--orange);font-size:12px;margin-bottom:5px}
    .compact-article h3{font-size:17px;margin:0 0 4px}
    .more{color:var(--blue);font-size:13px;font-weight:700}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:55px}
    .faq-note{color:var(--muted);font-size:15px}
    .faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:11px;padding:0 20px;box-shadow:0 5px 18px rgba(25,65,92,.04)}
    .faq-list summary{cursor:pointer;padding:17px 0;font-weight:700;list-style:none}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"＋";float:right;color:var(--blue);font-size:20px}
    .faq-list details[open] summary:after{content:"－"}
    .faq-answer{padding:0 0 17px;color:var(--muted);font-size:14px}
    .cta{padding:72px 0;background:#e3f1f6}
    .cta-box{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
    .cta-box p{color:var(--muted);max-width:560px}
    .form-card{background:#fff;padding:25px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    label{display:block;color:var(--blue-dark);font-size:13px;font-weight:700;margin-bottom:6px}
    input{width:100%;min-height:46px;border:1px solid var(--line);border-radius:9px;padding:0 12px;color:var(--blue-dark);background:#fbfdfe}
    input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(24,167,160,.12);outline:0}
    .form-card .btn{margin-top:16px}
    .form-note{font-size:12px;color:var(--muted);margin:10px 0 0}
    footer{background:var(--blue-dark);color:#d8e5eb;padding:55px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-logo{color:#fff;margin-bottom:13px}
    footer p{color:#aebfca;font-size:13px;max-width:310px}
    footer h3{font-size:14px;color:#fff;margin-bottom:12px}
    footer a{display:block;color:#aebfca;font-size:13px;margin:7px 0;transition:var(--ease)}
    footer a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(220,231,239,.16);margin-top:38px;padding-top:19px;color:#9fb2be;font-size:12px}
    .footer-bottom a{display:inline;color:#c7d8df;margin:0}
    @media(max-width:1280px){.nav{gap:15px}.nav-links a{padding:9px 7px}.command{min-width:155px}}
    @media(max-width:1024px){.nav-links{display:none}.nav-right{margin-left:auto}.menu-btn{display:block}.hero-grid,.feature-layout,.content-grid,.article-list,.cta-box{grid-template-columns:1fr 1fr;gap:28px}.hero-visual{height:350px}.footer-top{grid-template-columns:1.4fr 1fr 1fr}.footer-top>div:last-child{display:none}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.nav{height:68px}.logo{min-width:auto}.command{display:none}.hero{padding-top:42px}.hero-grid,.feature-layout,.content-grid,.article-list,.faq-grid,.cta-box{grid-template-columns:1fr}.hero-visual{height:300px;order:2}.attention-grid{grid-template-columns:1fr}.attention-item{border-right:0;border-bottom:1px solid var(--line);padding:14px 0}.attention-item:last-child{border-bottom:0}.section{padding:64px 0}.timeline-item{grid-template-columns:1fr;gap:4px;padding-left:25px}.timeline-item time{padding-left:1px}.intro-panel,.reading-card{padding:24px}.feature-image{min-height:300px}.schedule{grid-template-columns:1fr}.faq-grid{gap:24px}.footer-top{grid-template-columns:1fr 1fr;gap:25px}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}
    @media(max-width:480px){body{font-size:15px;line-height:1.8}h1{font-size:35px}.hero-copy{font-size:16px}.hero-actions .btn{width:100%}.hero-visual{height:260px}.visual-card{padding:10px 12px;font-size:11px}.visual-card strong{font-size:18px}.mini-cards{grid-template-columns:1fr}.mini-card:nth-child(2),.mini-card:nth-child(3){margin-top:0}.form-row{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.footer-top>div:last-child{display:block}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category4 */
:root{
      --blue:#1f6e9c;--blue-dark:#152536;--teal:#18a7a0;--orange:#e78b39;
      --bg:#f4f8fb;--card:#fff;--line:#dce7ef;--muted:#617184;--soft:#eaf3f8;
      --shadow:0 12px 32px rgba(25,65,92,.08);--shadow-hover:0 18px 40px rgba(25,65,92,.14);
      --radius:16px;--container:1240px;--ease:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--blue-dark);background:var(--bg);font-size:16px;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:#bfe9e6;color:var(--blue-dark)}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--teal)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,56px);line-height:1.2;letter-spacing:-.045em;margin-bottom:20px}
    h2{font-size:clamp(28px,3.4vw,40px);line-height:1.3;letter-spacing:-.035em}
    h3{line-height:1.4}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(31,110,156,.2)}
    .btn-primary:hover{background:#185b82;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
    .btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(24,167,160,.4);outline-offset:3px}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:var(--ease)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;min-width:180px;font-size:21px;font-weight:800;letter-spacing:-.04em}
    .pulse{width:25px;height:25px;border-radius:8px;background:var(--blue);display:inline-block;position:relative}
    .pulse:after{content:"";position:absolute;left:5px;right:5px;top:11px;height:3px;background:#fff;box-shadow:5px -5px 0 -1px #fff,10px 4px 0 -1px #fff;transform:skewX(-25deg)}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{font-size:14px;color:var(--muted);padding:9px 11px;border-radius:8px;white-space:nowrap;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue)}
    .nav-right{display:flex;align-items:center;gap:10px}
    .command{height:42px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:9px;padding:0 11px;color:var(--muted);font-size:13px;white-space:nowrap;background:#fff}
    .command span:first-child{font-size:22px;line-height:1;color:var(--blue)}
    kbd{font-size:11px;border:1px solid var(--line);padding:2px 5px;border-radius:5px;background:var(--bg);color:var(--muted)}
    .menu-btn{display:none;background:var(--soft);color:var(--blue);width:42px;height:42px;border-radius:9px}
    .page-hero{padding:72px 0 54px;background:#fff;border-bottom:1px solid var(--line)}
    .hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:55px;align-items:center}
    .page-hero p{font-size:18px;color:var(--muted);max-width:720px}
    .hero-image{height:280px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);position:relative}
    .hero-image img{width:100%;height:100%;object-fit:cover}
    .hero-image:after{content:"资料 · 观察 · 回看";position:absolute;bottom:18px;left:18px;background:#fff;color:var(--blue);padding:8px 13px;border-radius:8px;font-size:13px;font-weight:700}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:22px}
    .crumbs a:hover{color:var(--blue)}
    .search-section{padding:54px 0 38px}
    .search-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}
    .search-form{display:flex;gap:12px}
    .search-input{flex:1;min-height:52px;border:1px solid var(--line);border-radius:11px;padding:0 17px;color:var(--blue-dark);background:#fbfdfe}
    .search-input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(31,110,156,.1);outline:0}
    .filter-line{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-top:18px}
    .filter-line strong{font-size:13px;margin-right:5px}
    .filter{border:1px solid var(--line);background:#fff;color:var(--muted);padding:7px 13px;border-radius:99px;font-size:13px;transition:var(--ease)}
    .filter:hover,.filter.active{background:var(--soft);border-color:#a7cfdf;color:var(--blue)}
    .library{padding:28px 0 104px}
    .library-grid{display:grid;grid-template-columns:8fr 4fr;gap:36px;align-items:start}
    .result-head{display:flex;justify-content:space-between;align-items:end;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:4px}
    .result-head h2{font-size:28px;margin:0}
    .result-head span{font-size:13px;color:var(--muted)}
    .result-list{display:flex;flex-direction:column}
    .result-item{display:grid;grid-template-columns:115px 1fr auto;gap:20px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
    .result-item:hover{padding-left:8px}
    .result-item img{width:115px;height:82px;border-radius:11px;object-fit:cover}
    .result-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12px;margin-bottom:6px}
    .result-item h3{font-size:19px;margin:0 0 5px}
    .result-item p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
    .read-link{color:var(--blue);font-size:13px;font-weight:700;white-space:nowrap}
    .read-link:hover{color:var(--teal)}
    .side-stack{display:flex;flex-direction:column;gap:18px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px;box-shadow:var(--shadow)}
    .side-card h3{font-size:19px;margin:0 0 16px}
    .side-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .hot-list{list-style:none;padding:0;margin:0}
    .hot-list li{display:grid;grid-template-columns:27px 1fr;gap:8px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
    .hot-list li:last-child{border-bottom:0;padding-bottom:0}
    .hot-list b{color:var(--orange)}
    .topic-tags{display:flex;gap:8px;flex-wrap:wrap}
    .guide{padding:90px 0;background:#eaf3f8}
    .guide-grid{display:grid;grid-template-columns:5fr 7fr;gap:58px;align-items:start}
    .guide-lead{font-size:17px;color:#4f6373}
    .guide-lead p{margin-bottom:20px}
    .guide-copy{background:#fff;border:1px solid var(--line);border-radius:20px;padding:35px;box-shadow:var(--shadow)}
    .guide-copy h3{font-size:22px;margin:0 0 10px}
    .guide-copy p{color:#526879;margin-bottom:19px}
    .guide-copy ul{margin:0;padding-left:21px;color:#526879}
    .guide-copy li{margin:7px 0}
    .quote{margin-top:22px;padding:17px 20px;border-left:3px solid var(--teal);background:#f4fbfb;color:var(--blue-dark);font-weight:600}
    .more-section{padding:92px 0}
    .more-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}
    .more-head h2{margin:0}
    .more-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
    .visual-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
    .visual-card img{width:100%;height:260px;object-fit:cover}
    .visual-card .inner{padding:24px}
    .visual-card h3{font-size:24px;margin:10px 0}
    .visual-card p{font-size:14px;color:var(--muted)}
    .small-list{display:flex;flex-direction:column;gap:12px}
    .small-entry{background:#fff;border:1px solid var(--line);padding:17px 19px;border-radius:14px;transition:var(--ease)}
    .small-entry:hover{transform:translateX(4px);box-shadow:var(--shadow)}
    .small-entry span{color:var(--orange);font-size:12px}
    .small-entry h3{font-size:17px;margin:4px 0}
    .small-entry p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
    .faq{padding:92px 0;background:#fff}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:70px}
    .faq-intro p{color:var(--muted)}
    .faq-list details{border-top:1px solid var(--line);padding:19px 0}
    .faq-list details:last-child{border-bottom:1px solid var(--line)}
    summary{cursor:pointer;font-size:17px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--blue);font-size:21px}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;max-width:720px;margin:12px 0 0}
    .cta{padding:76px 0}
    .cta-box{background:#e5f2f8;border:1px solid #cfe4ee;border-radius:22px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta-box h2{margin:0 0 10px}
    .cta-box p{color:var(--muted);margin:0;max-width:660px}
    footer{background:var(--blue-dark);color:#dce7ef;padding:58px 0 24px}
    .footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px}
    .footer-logo{color:#fff;margin-bottom:14px}
    footer p{font-size:14px;color:#aebdca;max-width:320px}
    footer h3{font-size:14px;color:#fff;margin:5px 0 14px}
    footer a{display:block;color:#aebdca;font-size:13px;margin:8px 0;transition:var(--ease)}
    footer a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(220,231,239,.16);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9eb0bf;font-size:12px}
    .footer-bottom a{display:inline;color:#c7d5df;margin:0}
    @media(max-width:1100px){.nav{gap:14px}.logo{min-width:155px}.nav-links a{padding:8px 6px;font-size:13px}.command{display:none}}
    @media(max-width:900px){.hero-grid,.library-grid,.guide-grid,.faq-grid{grid-template-columns:1fr}.hero-image{height:320px}.library-grid{gap:45px}.footer-top{grid-template-columns:1.4fr 1fr 1fr}.footer-top>div:last-child{display:none}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.nav{height:68px}.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px}.menu-btn{display:block}.nav-right .btn{display:none}.page-hero{padding:48px 0 35px}.search-form{flex-direction:column}.search-form .btn{width:100%}.result-item{grid-template-columns:88px 1fr;gap:14px}.result-item img{width:88px;height:70px}.read-link{grid-column:2}.result-item h3{font-size:17px}.result-item p{font-size:13px}.guide,.more-section,.faq{padding:64px 0}.guide-copy{padding:25px}.more-head{display:block}.more-head .btn{margin-top:17px}.more-grid{grid-template-columns:1fr}.cta-box{padding:30px 25px;display:block}.cta-box .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:26px}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}}
    @media(max-width:480px){body{font-size:15px}.hero-image{height:230px}.search-panel{padding:17px}.filter-line{align-items:flex-start}.result-item{grid-template-columns:1fr}.result-item img{width:100%;height:150px}.read-link{grid-column:auto}.guide-copy{padding:21px}.footer-top{grid-template-columns:1fr}.footer-top>div:last-child{display:block}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category5 */
:root{
      --blue:#1f6e9c;--blue-dark:#152536;--teal:#18a7a0;--orange:#e78b39;
      --bg:#f4f8fb;--card:#fff;--line:#dce7ef;--muted:#617184;--soft:#eaf3f8;
      --shadow:0 12px 32px rgba(25,65,92,.08);--shadow-hover:0 18px 40px rgba(25,65,92,.14);
      --radius:16px;--container:1240px;--ease:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--blue-dark);background:var(--bg);font-size:16px;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:#bfe5e4;color:var(--blue-dark)}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .narrow{max-width:820px}
    h1,h2,h3,h4,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.2;letter-spacing:-.045em;margin-bottom:20px}
    h2{font-size:clamp(29px,3.5vw,40px);line-height:1.3;letter-spacing:-.035em;margin-bottom:16px}
    h3{font-size:20px;line-height:1.4;margin-bottom:8px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--teal)}
    .section{padding:92px 0}
    .section-head{max-width:760px;margin-bottom:40px}
    .section-head p,.lead{color:var(--muted);font-size:17px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(31,110,156,.2)}
    .btn-primary:hover{background:#185b82;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
    .btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(24,167,160,.4);outline-offset:3px}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:var(--ease)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;min-width:180px;font-size:21px;font-weight:800;letter-spacing:-.04em}
    .pulse{width:25px;height:25px;border-radius:8px;background:var(--blue);position:relative;display:inline-block}
    .pulse:after{content:"";position:absolute;left:5px;right:5px;top:11px;height:3px;background:#fff;box-shadow:4px -5px 0 -1px #fff,8px 4px 0 -1px #fff}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{font-size:14px;color:var(--muted);padding:9px 11px;border-radius:8px;white-space:nowrap;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue)}
    .nav-right{display:flex;align-items:center;gap:10px}
    .command{height:42px;width:198px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:8px;padding:0 10px;color:var(--muted);font-size:12px;background:#fff}
    .command span:first-child{font-size:22px;color:var(--blue)}
    kbd{margin-left:auto;border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:10px;color:var(--muted);white-space:nowrap}
    .menu-btn{display:none;background:var(--soft);color:var(--blue);width:42px;height:42px;border-radius:9px}
    .page-hero{padding:68px 0 76px;background:#fff;border-bottom:1px solid var(--line)}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:28px}
    .breadcrumb a{color:var(--blue)}
    .hero-book{display:grid;grid-template-columns:1fr 390px;gap:68px;align-items:center}
    .hero-book p{max-width:720px;color:var(--muted);font-size:18px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-cover{height:330px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);position:relative}
    .hero-cover img{width:100%;height:100%;object-fit:cover}
    .hero-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(21,37,54,.48))}
    .cover-label{position:absolute;z-index:1;bottom:20px;left:22px;color:#fff;font-weight:700}
    .chapter-bar{background:var(--soft);border-bottom:1px solid var(--line)}
    .chapter-inner{display:flex;gap:10px;align-items:center;overflow:auto;padding:16px 0}
    .chapter-inner a{white-space:nowrap;padding:8px 15px;border-radius:99px;color:var(--muted);font-size:14px}
    .chapter-inner a:hover,.chapter-inner a.active{background:#fff;color:var(--blue);box-shadow:0 5px 14px rgba(25,65,92,.06)}
    .knowledge-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:62px;align-items:start}
    .article-intro{background:#fff;border:1px solid var(--line);border-radius:20px;padding:38px 42px;box-shadow:var(--shadow)}
    .article-intro p{color:#4f6373;margin-bottom:20px}
    .article-intro p:last-child{margin-bottom:0}
    .article-intro h2{font-size:29px;margin-top:30px}
    .quote{border-left:4px solid var(--teal);background:#eff9f8;padding:18px 22px;margin:26px 0;color:#38636a}
    .guide-list{padding-left:20px;color:#4f6373}
    .guide-list li{margin:8px 0}
    .side-stack{position:sticky;top:100px;display:flex;flex-direction:column;gap:16px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
    .side-card h3{font-size:18px}
    .side-card a{display:block;border-top:1px solid var(--line);padding:11px 0;color:var(--muted);font-size:14px}
    .side-card a:hover{color:var(--blue)}
    .numbered{counter-reset:item}
    .numbered a{counter-increment:item}
    .numbered a:before{content:counter(item,decimal-leading-zero);color:var(--teal);font-weight:800;margin-right:10px}
    .terms{background:#fff}
    .term-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .term-card{border:1px solid var(--line);border-radius:15px;padding:23px;transition:var(--ease)}
    .term-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#b8d5e2}
    .term-card p{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:0}
    .reading-strip{display:flex;gap:18px;overflow:auto;padding:8px 2px 18px}
    .reading-card{flex:0 0 260px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:var(--ease)}
    .reading-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .reading-card img{height:145px;width:100%;object-fit:cover}
    .reading-card div{padding:17px}
    .reading-card h3{font-size:18px}
    .reading-card p{font-size:13px;color:var(--muted);line-height:1.65;margin-bottom:0}
    .faq-grid{display:grid;grid-template-columns:310px 1fr;gap:55px}
    .faq-list{display:flex;flex-direction:column;gap:10px}
    details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px 20px}
    summary{font-weight:700;cursor:pointer;list-style:none;position:relative;padding-right:25px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";position:absolute;right:0;color:var(--blue)}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;margin:12px 0 0;line-height:1.75}
    .cta{background:#e7f3f8;border-top:1px solid #d3e7ef;border-bottom:1px solid #d3e7ef}
    .cta-grid{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
    .cta p{color:var(--muted);max-width:650px;margin-bottom:0}
    footer{background:var(--blue-dark);color:#d9e5ec;padding:64px 0 24px}
    .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:42px;padding-bottom:45px}
    .footer-logo{color:#fff;margin-bottom:13px}
    footer p{color:#9eb0bd;max-width:330px;font-size:14px;line-height:1.8}
    footer h3{font-size:15px;color:#fff;margin-bottom:14px}
    footer a{display:block;color:#9eb0bd;font-size:13px;margin:8px 0;transition:var(--ease)}
    footer a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(220,231,239,.16);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#91a6b4;font-size:12px}
    .footer-bottom a{display:inline;color:#b8cbd5;margin:0}
    @media(max-width:1280px){.nav{gap:16px}.nav-links a{padding-left:8px;padding-right:8px}.command{width:165px}}
    @media(max-width:1024px){.nav-links{display:none}.nav-right{margin-left:auto}.menu-btn{display:block}.hero-book{grid-template-columns:1fr 340px;gap:35px}.knowledge-layout{gap:30px}.footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.nav{height:68px}.logo{min-width:auto}.command{display:none}.nav.open .nav-links{display:flex;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px 16px;flex-wrap:wrap;box-shadow:var(--shadow)}.page-hero{padding:45px 0 55px}.hero-book,.knowledge-layout,.faq-grid,.cta-grid{grid-template-columns:1fr}.hero-cover{height:260px}.side-stack{position:static}.section{padding:65px 0}.term-grid{grid-template-columns:1fr}.article-intro{padding:28px 24px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:8px}}
    @media(max-width:480px){body{font-size:15px;line-height:1.8}h1{font-size:35px}.hero-book p{font-size:16px}.hero-cover{height:220px}.chapter-inner{margin:0 -8px;padding-left:8px}.article-intro{padding:22px 18px}.article-intro h2{font-size:25px}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}.btn{width:100%}.hero-actions{display:grid;grid-template-columns:1fr}.footer-bottom{font-size:11px}}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category6 */
:root{
 --blue:#1f6e9c;--blue-dark:#152536;--teal:#18a7a0;--orange:#e78b39;
 --bg:#f4f8fb;--card:#fff;--line:#dce7ef;--muted:#617184;--soft:#eaf3f8;
 --shadow:0 12px 32px rgba(25,65,92,.08);--shadow-hover:0 18px 40px rgba(25,65,92,.14);
 --radius:16px;--container:1240px;--ease:220ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--blue-dark);background:var(--bg);font-size:16px;line-height:1.85}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer;border:0}
::selection{background:#bfe5e6;color:var(--blue-dark)}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.narrow{max-width:800px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,58px);line-height:1.18;letter-spacing:-.045em;margin-bottom:20px}
h2{font-size:clamp(28px,3.2vw,40px);line-height:1.3;letter-spacing:-.035em;margin-bottom:15px}
h3{font-size:21px;line-height:1.4;margin-bottom:8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--teal)}
.section{padding:92px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-head p,.lead{color:var(--muted);font-size:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;transition:var(--ease);border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(31,110,156,.2)}
.btn-primary:hover{background:#185b82;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(24,167,160,.4);outline-offset:3px}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:var(--ease)}
.nav{height:76px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;min-width:180px;font-size:21px;font-weight:800;letter-spacing:-.04em}
.pulse{width:25px;height:25px;border-radius:8px;background:var(--soft);position:relative}
.pulse:before{content:"";position:absolute;width:14px;height:6px;left:5px;top:9px;border-top:2px solid var(--teal);border-bottom:2px solid var(--blue);transform:skewX(-28deg)}
.nav-links{display:flex;align-items:center;gap:5px;flex:1}
.nav-links a{font-size:14px;color:var(--muted);padding:9px 11px;border-radius:8px;white-space:nowrap;transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue)}
.nav-right{display:flex;align-items:center;gap:10px}
.command{height:42px;min-width:175px;padding:0 10px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;background:#fff}
.command span:first-child{font-size:22px;color:var(--blue);line-height:1}
.command kbd{margin-left:auto;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:1px 5px;font-size:10px;color:var(--muted)}
.menu-btn{display:none;background:var(--soft);color:var(--blue);width:42px;height:42px;border-radius:9px}
.breadcrumb{padding:22px 0 0;color:var(--muted);font-size:13px}
.breadcrumb a{color:var(--blue)}
.inner-hero{padding:42px 0 70px;background:#fff}
.inner-hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:55px;align-items:center}
.inner-hero-copy{padding:20px 0}
.inner-hero-copy p{font-size:18px;color:var(--muted);max-width:600px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
.hero-image{height:360px;border-radius:24px;overflow:hidden;box-shadow:var(--shadow);position:relative}
.hero-image img{width:100%;height:100%;object-fit:cover}
.hero-image:after{content:"场景导航 · 信息阅读";position:absolute;right:20px;bottom:20px;background:#fff;color:var(--blue);border-radius:9px;padding:8px 13px;font-size:13px;font-weight:700}
.anchor-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg)}
.anchor-inner{display:flex;align-items:center;gap:10px;overflow:auto;padding:15px 0}
.anchor-inner a{white-space:nowrap;border:1px solid var(--line);background:#fff;padding:7px 14px;border-radius:99px;color:var(--muted);font-size:13px;transition:var(--ease)}
.anchor-inner a:hover{color:var(--blue);border-color:var(--blue);transform:translateY(-2px)}
.intro-grid{display:grid;grid-template-columns:4fr 8fr;gap:70px;align-items:start}
.intro-label{color:var(--orange);font-size:13px;font-weight:700;padding-top:8px}
.prose p{color:#4f6373;margin-bottom:18px}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--blue-dark)}
.guide-block{padding:96px 0}
.guide-block.alt{background:#fff}
.guide-grid{display:grid;grid-template-columns:7fr 5fr;gap:54px;align-items:center}
.guide-grid.reverse{grid-template-columns:5fr 7fr}
.guide-grid.reverse .guide-copy{order:2}
.guide-grid.reverse figure{order:1}
.guide-copy h2{max-width:570px}
.guide-copy p{color:var(--muted)}
.guide-copy ul{list-style:none;padding:0;margin:22px 0 0}
.guide-copy li{position:relative;padding:12px 0 12px 27px;border-top:1px solid var(--line);color:#4f6373}
.guide-copy li:before{content:"✓";position:absolute;left:0;top:12px;color:var(--teal);font-weight:800}
.guide-figure{margin:0;position:relative}
.guide-figure img{width:100%;height:380px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow)}
.guide-figure figcaption{font-size:12px;color:var(--muted);margin-top:10px}
.scene-note{background:var(--soft);border-left:3px solid var(--teal);padding:17px 20px;margin-top:24px;border-radius:0 12px 12px 0;color:#466272}
.content-section{background:#f8fbfd}
.content-layout{display:grid;grid-template-columns:8fr 4fr;gap:44px;align-items:start}
.content-list{display:flex;flex-direction:column;gap:14px}
.content-item{display:grid;grid-template-columns:125px 1fr auto;gap:20px;align-items:center;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:var(--ease)}
.content-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.content-item img{height:82px;width:125px;object-fit:cover;border-radius:9px}
.content-meta{font-size:12px;color:var(--orange);margin-bottom:5px}
.content-item h3{font-size:18px;margin:0 0 4px}
.content-item p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.text-link{color:var(--blue);font-size:13px;font-weight:700;white-space:nowrap}
.text-link:after{content:" →";transition:var(--ease)}
.text-link:hover:after{padding-left:4px}
.side-card{background:var(--blue-dark);color:#fff;border-radius:18px;padding:28px;position:sticky;top:102px}
.side-card h3{font-size:23px}
.side-card p{color:#c3d4df;font-size:14px}
.side-card a{display:block;padding:12px 0;border-top:1px solid rgba(255,255,255,.18);font-size:14px}
.side-card a:hover{color:#9ce3df}
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:70px}
.faq-grid .section-head{margin:0}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:11px;padding:0 20px;transition:var(--ease)}
.faq-list details[open]{box-shadow:var(--shadow)}
.faq-list summary{cursor:pointer;list-style:none;padding:18px 28px 18px 0;font-weight:700;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{color:var(--muted);font-size:14px;padding:0 0 18px;margin:0}
.cta{padding:76px 0;background:#eaf4f8;border-top:1px solid var(--line)}
.cta-box{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.cta-box p{color:var(--muted);max-width:650px}
.cta-actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}
footer{background:var(--blue-dark);color:#d6e3ea;padding:60px 0 22px}
.footer-top{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-logo{color:#fff}
.footer-top p{color:#aebfca;font-size:14px;max-width:300px;margin-top:18px}
.footer-top h3{font-size:15px;color:#fff;margin-bottom:14px}
.footer-top a{display:block;color:#aebfca;font-size:13px;margin:8px 0;transition:var(--ease)}
.footer-top a:hover{color:#8eddd8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9eb2bf;font-size:12px}
.footer-bottom a{color:#cde0e8}
@media(max-width:1280px){.nav{gap:16px}.nav-links a{padding-left:7px;padding-right:7px}.logo{min-width:160px}}
@media(max-width:1024px){.command{min-width:42px;width:42px;justify-content:center}.command span:nth-child(2),.command kbd{display:none}.nav{gap:12px}.inner-hero-grid{gap:32px}.intro-grid{gap:35px}.content-layout{gap:25px}}
@media(max-width:768px){
 .container{width:min(100% - 32px,var(--container))}
 .section,.guide-block{padding:64px 0}
 .nav{height:68px}.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:12px}.nav-right .btn{display:none}.menu-btn{display:block}
 .inner-hero{padding:28px 0 50px}.inner-hero-grid,.intro-grid,.guide-grid,.guide-grid.reverse,.content-layout,.faq-grid,.cta-box{grid-template-columns:1fr}
 .guide-grid.reverse .guide-copy,.guide-grid.reverse figure{order:initial}
 .hero-image{height:280px}.guide-figure img{height:300px}.side-card{position:static}
 .cta-actions{justify-content:flex-start}.footer-top{grid-template-columns:1fr 1fr;gap:25px}.footer-top>div:first-child{grid-column:1/-1}
 .footer-bottom{flex-direction:column;gap:8px}
}
@media(max-width:480px){
 body{font-size:15px}.container{width:calc(100% - 28px)}h1{font-size:35px}.section-head p,.lead,.inner-hero-copy p{font-size:16px}
 .inner-hero-copy{padding:8px 0}.content-item{grid-template-columns:82px 1fr;gap:13px;padding:14px}.content-item img{width:82px;height:72px}.content-item .text-link{grid-column:2}.content-item h3{font-size:16px}
 .hero-image{height:230px}.guide-figure img{height:245px}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}
 .btn{width:100%}.hero-actions{width:100%}.anchor-inner{margin-right:-14px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}