/* roulang page: index */
:root{--brand:#2563eb;--brand-dark:#1748b5;--ink:#17253d;--muted:#66758d;--line:#dfe8f2;--mist:#f4f8fd;--cyan:#0f9db4;--warm:#f59e0b;--radius:18px;--shadow:0 14px 40px rgba(29,78,126,.10)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75}
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1200px,calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0}
    .section-mist{background:var(--mist)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--brand);border-radius:2px}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head h2{margin:12px 0 12px;font-size:clamp(27px,3vw,42px);line-height:1.22;letter-spacing:-.035em}
    .section-head p{margin:0;color:var(--muted);font-size:16px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(223,232,242,.9);backdrop-filter:blur(14px)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}
    .logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--brand);display:grid;place-items:center;color:#fff;box-shadow:0 7px 17px rgba(37,99,235,.25)}
    .nav-links{display:flex;align-items:center;gap:27px;color:#52627a;font-size:14px;font-weight:600}
    .nav-links a{padding:8px 0;border-bottom:2px solid transparent;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--brand);border-color:var(--brand)}
    .nav-actions{display:flex;align-items:center;gap:11px}
    .nav-search{width:38px;height:38px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--brand);display:grid;place-items:center;transition:.2s}
    .nav-search:hover{background:var(--mist);border-color:#b9cfee}
    .menu-btn{display:none;border:0;background:transparent;color:var(--ink);font-size:25px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-size:14px;font-weight:700;transition:.22s}
    .btn-primary{background:var(--brand);color:#fff;box-shadow:0 9px 20px rgba(37,99,235,.2)}
    .btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 13px 25px rgba(37,99,235,.25)}
    .btn-outline{border-color:#cddbeb;color:var(--brand);background:#fff}
    .btn-outline:hover{border-color:var(--brand);background:#f5f9ff;transform:translateY(-2px)}
    .btn:focus,input:focus,textarea:focus,summary:focus{outline:3px solid rgba(37,99,235,.18);outline-offset:2px}
    .hero{padding:74px 0 86px;background:linear-gradient(180deg,#f7fbff 0%,#fff 90%)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
    .hero h1{font-size:clamp(36px,5vw,64px);line-height:1.13;letter-spacing:-.06em;margin:18px 0 22px;max-width:700px}
    .hero-copy{font-size:17px;color:var(--muted);max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;color:#6b7a91;font-size:13px}
    .hero-note span{display:flex;align-items:center;gap:7px}
    .hero-note i{width:7px;height:7px;border-radius:50%;background:var(--cyan)}
    .hero-visual{position:relative;min-height:410px;border-radius:26px;overflow:hidden;box-shadow:var(--shadow);border:8px solid #fff;background:#dcecf8}
    .hero-visual img{width:100%;height:410px;object-fit:cover}
    .hero-overlay{position:absolute;inset:0;background:linear-gradient(20deg,rgba(16,43,81,.72),rgba(16,43,81,.03) 70%)}
    .hero-panel{position:absolute;bottom:25px;left:25px;right:25px;color:#fff}
    .hero-panel strong{display:block;font-size:24px;line-height:1.3;margin-bottom:7px}
    .search-box{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:6px 7px 6px 15px;box-shadow:0 10px 25px rgba(29,78,126,.08);max-width:580px}
    .search-box input{flex:1;min-width:0;border:0;outline:0;color:var(--ink);background:transparent;padding:8px 0}
    .search-box button{border:0;border-radius:10px;background:var(--brand);color:#fff;padding:10px 16px;font-weight:700}
    .entry-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:16px}
    .entry-card,.topic-card,.info-card,.compat-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.22s}
    .entry-card{padding:26px;min-height:190px}
    .entry-card.featured{background:var(--ink);color:#fff;border-color:var(--ink);grid-row:span 2}
    .entry-card:hover,.topic-card:hover,.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .entry-icon{width:42px;height:42px;border-radius:13px;background:#eaf3ff;color:var(--brand);display:grid;place-items:center;font-weight:800;margin-bottom:24px}
    .entry-card.featured .entry-icon{background:rgba(255,255,255,.13);color:#fff}
    .entry-card h3,.topic-card h3,.info-card h3{font-size:18px;line-height:1.35;margin:0 0 8px}
    .entry-card p,.topic-card p,.info-card p{font-size:14px;color:var(--muted);margin:0}
    .entry-card.featured p{color:#becce0}
    .link-arrow{display:inline-flex;margin-top:20px;color:var(--brand);font-size:13px;font-weight:700}
    .entry-card.featured .link-arrow{color:#a9d8ff}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden;box-shadow:var(--shadow)}
    .stat{padding:30px 25px;border-right:1px solid var(--line)}
    .stat:last-child{border-right:0}
    .stat strong{display:block;color:var(--brand);font-size:34px;line-height:1.15;margin-bottom:8px}
    .stat span{display:block;color:var(--muted);font-size:14px}
    .stat em{display:inline-block;margin-top:12px;font-style:normal;color:#138b77;background:#e9faf5;border-radius:20px;padding:3px 9px;font-size:12px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .steps:before{content:"";position:absolute;top:25px;left:10%;right:10%;height:1px;background:#cbdced}
    .step{position:relative;padding:0 22px;text-align:center}
    .step-no{width:50px;height:50px;margin:0 auto 22px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid #bcd0e8;color:var(--brand);font-weight:800;position:relative;z-index:1}
    .step h3{font-size:16px;margin:0 0 9px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .topic-wall{display:grid;grid-template-columns:1.25fr .85fr .85fr;grid-template-rows:220px 170px;gap:16px}
    .topic-card{padding:24px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;min-height:170px}
    .topic-card.large{grid-row:span 2;background-image:linear-gradient(0deg,rgba(18,40,72,.8),rgba(18,40,72,.05)),url('/assets/images/55335dddcabab1d1.jpg');background-size:cover;background-position:center;color:#fff;border:0}
    .topic-card.blue{background:#eaf4ff}.topic-card.cyan{background:#eaf9fa}.topic-card.warm{background:#fff7e7}
    .topic-card.large p{color:#d9e7f7}
    .topic-card .tag{position:absolute;top:18px;left:20px}
    .tag{display:inline-flex;align-items:center;border-radius:30px;padding:4px 10px;background:#e8f2ff;color:var(--brand);font-size:12px;font-weight:700}
    .tag.warm{background:#fff0cf;color:#a16207}
    .tag.green{background:#ddf7f0;color:#087f69}
    .topic-card time{font-size:12px;color:var(--muted);margin-top:13px}
    .topic-card.large time{color:#d3e0ef}
    .info-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
    .info-feature{min-height:300px;border-radius:20px;overflow:hidden;position:relative;background-image:linear-gradient(0deg,rgba(14,36,67,.8),transparent 70%),url('/assets/images/9d396f366e027ccd.jpg');background-size:cover;background-position:center;color:#fff;padding:28px;display:flex;align-items:flex-end}
    .info-feature p{color:#e1ebf6;margin:8px 0 0;font-size:14px}
    .info-list{display:flex;flex-direction:column;gap:12px}
    .info-card{padding:17px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .info-card h3{font-size:15px;margin:0 0 5px}
    .info-card p{font-size:12px}
    .info-card .arrow{color:var(--brand);font-size:20px}
    .compat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .compat-card{padding:23px;background:#fff}
    .compat-card b{display:flex;align-items:center;gap:10px;font-size:16px;margin-bottom:9px}
    .compat-card b span{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;background:#eaf3ff;color:var(--brand);font-size:13px}
    .compat-card p{font-size:13px;color:var(--muted);margin:0}
    .faq-list{max-width:900px;margin:auto;display:grid;gap:10px}
    .faq-item{padding:0 22px}
    .faq-item summary{list-style:none;cursor:pointer;padding:20px 28px 20px 0;font-weight:700;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:0;color:var(--brand);font-size:22px;font-weight:400}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{border-top:1px solid var(--line);padding:15px 0 20px;color:var(--muted);font-size:14px}
    .guard{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .guard-item{display:flex;gap:13px;align-items:flex-start}
    .guard-icon{flex:0 0 37px;height:37px;border-radius:11px;background:#eaf3ff;color:var(--brand);display:grid;place-items:center;font-weight:800}
    .guard-item h3{font-size:15px;margin:0 0 4px}
    .guard-item p{font-size:13px;color:var(--muted);margin:0}
    .cta{border-radius:25px;background:#eaf4ff;padding:52px 58px;display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
    .cta h2{font-size:clamp(27px,3vw,40px);line-height:1.2;margin:12px 0}
    .cta p{color:var(--muted);margin:0}
    .feedback{background:#fff;border:1px solid #d5e3f2;border-radius:18px;padding:22px;box-shadow:0 12px 30px rgba(29,78,126,.06)}
    .feedback label{display:block;font-size:13px;font-weight:700;margin:0 0 6px}
    .feedback input,.feedback textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:13px;background:#fbfdff;color:var(--ink)}
    .feedback textarea{height:74px;resize:vertical}
    .site-footer{background:#f6f9fc;border-top:1px solid var(--line);padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{color:var(--muted);font-size:13px;max-width:280px}
    .footer-col h3{font-size:14px;margin:0 0 15px}
    .footer-col a{display:block;color:var(--muted);font-size:13px;margin:9px 0;transition:.2s}
    .footer-col a:hover{color:var(--brand)}
    .copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:19px;color:#8491a4;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    @media(max-width:1024px){.hero-grid{gap:35px}.entry-grid{grid-template-columns:repeat(2,1fr)}.entry-card.featured{grid-row:auto;grid-column:span 2}.topic-wall{grid-template-columns:1fr 1fr;grid-template-rows:260px 190px}.topic-card.large{grid-row:span 1;grid-column:span 2}.cta{padding:40px}.nav-links{gap:16px}}
    @media(max-width:768px){.container{width:min(100% - 30px,600px)}.section{padding:65px 0}.nav-wrap{height:68px}.menu-btn{display:block}.nav-links,.nav-actions .btn{display:none}.nav-actions{margin-left:auto}.hero{padding:52px 0 62px}.hero-grid,.info-layout,.cta{grid-template-columns:1fr}.hero h1{font-size:42px}.hero-visual,.hero-visual img{min-height:300px;height:300px}.stats{grid-template-columns:1fr 1fr}.stat{border-bottom:1px solid var(--line)}.stat:nth-child(2){border-right:0}.stat:nth-child(3),.stat:nth-child(4){border-bottom:0}.steps{grid-template-columns:1fr 1fr;gap:30px}.steps:before{display:none}.step{padding:0 5px}.compat-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.hero h1{font-size:35px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.search-box button{padding:10px 12px}.entry-grid,.topic-wall,.compat-grid{grid-template-columns:1fr}.entry-card.featured,.topic-card.large{grid-column:auto}.topic-wall{grid-template-rows:auto}.topic-card{min-height:170px}.stats,.steps{grid-template-columns:1fr}.stat{border-right:0!important;border-bottom:1px solid var(--line)!important}.stat:last-child{border-bottom:0!important}.guard{grid-template-columns:1fr 1fr}.cta{padding:30px 22px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: category1 */
:root{--brand:#2563eb;--brand-dark:#1748b5;--ink:#17253d;--muted:#66758d;--line:#dfe8f2;--mist:#f4f8fd;--cyan:#0f9db4;--warm:#f59e0b;--radius:18px;--shadow:0 14px 40px rgba(29,78,126,.10)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(1200px,calc(100% - 40px));margin:0 auto}
    .section{padding:82px 0}
    .section-mist{background:var(--mist)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--brand);border-radius:2px}
    .section-head{max-width:720px;margin-bottom:34px}
    .section-head h2{margin:12px 0;font-size:clamp(27px,3vw,42px);line-height:1.22;letter-spacing:-.035em}
    .section-head p{margin:0;color:var(--muted);font-size:16px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(223,232,242,.9);backdrop-filter:blur(14px)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}
    .logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--brand);display:grid;place-items:center;color:#fff;box-shadow:0 7px 17px rgba(37,99,235,.25)}
    .nav-links{display:flex;align-items:center;gap:27px;color:#52627a;font-size:14px;font-weight:600}
    .nav-links a{padding:8px 0;border-bottom:2px solid transparent;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--brand);border-color:var(--brand)}
    .nav-actions{display:flex;align-items:center;gap:11px}
    .nav-search{width:38px;height:38px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--brand);display:grid;place-items:center;transition:.2s}
    .nav-search:hover{background:var(--mist);border-color:#b9cfee}
    .menu-btn{display:none;border:0;background:transparent;color:var(--ink);font-size:25px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-size:14px;font-weight:700;transition:.22s}
    .btn-primary{background:var(--brand);color:#fff;box-shadow:0 9px 20px rgba(37,99,235,.2)}
    .btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
    .btn-outline{border-color:#cddbeb;color:var(--brand);background:#fff}
    .btn-outline:hover{border-color:var(--brand);background:#f5f9ff;transform:translateY(-2px)}
    .btn:focus,input:focus,textarea:focus,select:focus,summary:focus{outline:3px solid rgba(37,99,235,.18);outline-offset:2px}
    .page-hero{padding:68px 0 58px;background:linear-gradient(180deg,#f4f9ff 0%,#fff 100%);border-bottom:1px solid var(--line)}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:25px}
    .crumbs a{color:var(--brand)}
    .page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
    .page-hero h1{font-size:clamp(36px,5vw,60px);line-height:1.15;letter-spacing:-.055em;margin:13px 0 18px}
    .page-hero p{max-width:680px;color:var(--muted);font-size:17px;margin:0}
    .hero-image{height:270px;border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:7px solid #fff;position:relative}
    .hero-image img{width:100%;height:100%;object-fit:cover}
    .hero-image:after{content:"糖心tv · 视频内容";position:absolute;left:22px;bottom:18px;color:#fff;font-size:18px;font-weight:700;text-shadow:0 2px 12px #102b51}
    .filter-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
    .filter-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr) auto;gap:12px;align-items:end}
    .field label{display:block;color:var(--muted);font-size:12px;font-weight:700;margin:0 0 6px}
    .field input,.field select{width:100%;height:46px;border:1px solid var(--line);border-radius:11px;padding:0 13px;color:var(--ink);background:#fbfdff}
    .filter-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px;padding-top:16px;border-top:1px solid var(--line)}
    .tag{display:inline-flex;align-items:center;border-radius:30px;padding:5px 12px;background:#e8f2ff;color:var(--brand);font-size:12px;font-weight:700}
    .tag.warm{background:#fff0cf;color:#a16207}.tag.green{background:#ddf7f0;color:#087f69}
    .content-layout{display:grid;grid-template-columns:1fr 310px;gap:28px;align-items:start}
    .content-list{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}
    .content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;min-height:230px;transition:.22s;display:flex;flex-direction:column}
    .content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c5d8ee}
    .card-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:18px}
    .content-card h3{font-size:19px;line-height:1.4;margin:0 0 10px}
    .content-card p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .card-foot{margin-top:auto;padding-top:20px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
    .card-foot a{color:var(--brand);font-weight:700}
    .side-panel{background:var(--ink);color:#fff;border-radius:20px;padding:25px;position:sticky;top:100px;overflow:hidden}
    .side-panel:after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;right:-70px;top:-70px;background:rgba(37,99,235,.35)}
    .side-panel h3{position:relative;z-index:1;font-size:21px;margin:0 0 12px}
    .side-panel p{position:relative;z-index:1;color:#c4d2e6;font-size:14px;margin:0 0 22px}
    .side-row{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.14);padding:15px 0;display:flex;justify-content:space-between;gap:12px;font-size:13px;color:#d7e2f0}
    .side-row strong{color:#8fd6ff}
    .wide-feature{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:stretch}
    .feature-image{min-height:285px;border-radius:22px;overflow:hidden;position:relative}
    .feature-image img{width:100%;height:100%;object-fit:cover}
    .feature-image div{position:absolute;inset:auto 22px 20px;color:#fff;font-size:21px;font-weight:800;text-shadow:0 2px 12px #102b51}
    .feature-copy{padding:20px 4px}
    .feature-copy h3{font-size:28px;line-height:1.3;margin:15px 0}
    .feature-copy p{color:var(--muted);margin:0 0 22px}
    .tag-cloud{display:flex;gap:12px;flex-wrap:wrap}
    .cloud-item{padding:12px 18px;border:1px solid var(--line);border-radius:13px;background:#fff;color:#425673;font-size:14px;transition:.2s}
    .cloud-item:hover{color:var(--brand);border-color:#a9c5ea;background:#f7fbff;transform:translateY(-2px)}
    .tips-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .tip{padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .tip-number{color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.08em}
    .tip h3{font-size:17px;margin:12px 0 7px}.tip p{font-size:13px;color:var(--muted);margin:0}
    .faq-list{max-width:850px;display:flex;flex-direction:column;gap:11px}
    .faq-item{padding:0 20px;background:#fff}
    .faq-item summary{list-style:none;cursor:pointer;padding:18px 30px 18px 0;font-weight:700;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";position:absolute;right:0;color:var(--brand);font-size:20px;top:15px}
    .faq-item[open] summary:after{content:"－"}
    .faq-item p{margin:-5px 0 18px;color:var(--muted);font-size:14px}
    .cta{background:linear-gradient(110deg,#eaf4ff,#f6fbff);border:1px solid #d4e6f8;border-radius:24px;padding:38px}
    .cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}
    .cta h2{font-size:30px;line-height:1.3;margin:0 0 12px}.cta p{color:var(--muted);margin:0}
    .feedback-form{display:grid;gap:11px}.feedback-form input,.feedback-form textarea{width:100%;border:1px solid #cbdceb;border-radius:11px;background:#fff;padding:11px 13px}.feedback-form textarea{min-height:76px;resize:vertical}
    .site-footer{background:#f3f7fc;border-top:1px solid var(--line);padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:35px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:260px;margin-top:18px}
    .footer-col{display:flex;flex-direction:column;gap:9px;color:var(--muted);font-size:13px}.footer-col h3{color:var(--ink);font-size:14px;margin:0 0 5px}.footer-col a:hover{color:var(--brand)}
    .copyright{border-top:1px solid var(--line);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;color:#8290a4;font-size:12px}
    @media(max-width:1024px){.nav-links{gap:15px}.page-hero-grid,.wide-feature{grid-template-columns:1fr 1fr}.filter-grid{grid-template-columns:1fr 1fr}.filter-grid .btn{width:100%}.tips-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-links{display:none}.nav-actions .btn{display:none}.menu-btn{display:block}.page-hero-grid,.content-layout,.wide-feature,.cta-grid{grid-template-columns:1fr}.page-hero{padding:44px 0}.hero-image{height:220px}.content-list{grid-template-columns:1fr}.side-panel{position:static}.section{padding:60px 0}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:5px}}
    @media(max-width:520px){.filter-grid{grid-template-columns:1fr}.tips-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.cta{padding:25px}.page-hero h1{font-size:38px}.nav-wrap{height:68px}.filter-box{padding:16px}}