/* roulang page: index */
:root{
      --ink:#1f2c35;--muted:#60717b;--blue:#315d7c;--blue-2:#4a8da4;--blue-pale:#eaf2f5;
      --paper:#f7f9fa;--white:#fff;--sand:#eae5dd;--line:#d9e4e9;--footer:#263b49;
      --radius-lg:20px;--radius:16px;--radius-sm:12px;--shadow:0 12px 30px rgba(36,65,82,.08);
      --shadow-up:0 18px 38px rgba(36,65,82,.15);--ease:all .2s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7;padding-bottom:104px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    button,input,select{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    :focus-visible{outline:3px solid rgba(74,141,164,.4);outline-offset:3px}
    .grid-container{max-width:1200px;padding-left:20px;padding-right:20px}
    .site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(36,65,82,.035);position:sticky;top:0;z-index:50}
    .top-bar{min-height:72px;padding:0;background:transparent;display:flex;align-items:center;gap:22px}
    .top-bar,.top-bar ul{background:transparent}
    .brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:800;font-size:16px;white-space:nowrap;letter-spacing:-.4px}
    .brand-mark{width:31px;height:31px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;box-shadow:inset 0 -2px 0 rgba(0,0,0,.13)}
    .brand-mark:before{content:"";width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid #fff;margin-left:2px}
    .nav-wrap{flex:1;display:flex;align-items:center;justify-content:center}
    .menu a{font-size:14px;font-weight:700;color:var(--muted);padding:25px 14px 21px!important;border-bottom:3px solid transparent}
    .menu a:hover{color:var(--blue)}
    .menu .is-active>a{color:var(--blue);border-color:var(--blue);background:transparent}
    .header-tools{display:flex;align-items:center;gap:10px}
    .mini-search{display:flex;align-items:center;width:230px;height:42px;border:1px solid var(--line);border-radius:999px;background:#f9fbfc;padding:0 6px 0 13px}
    .mini-search svg{width:17px;height:17px;color:var(--muted);flex:none}
    .mini-search input{min-width:0;flex:1;border:0;background:transparent;outline:0;font-size:13px;padding:0 8px;color:var(--ink)}
    .mini-search input::placeholder{color:#8998a1}
    .search-go{border:0;border-radius:50%;width:30px;height:30px;color:#fff;background:var(--blue);display:grid;place-items:center}
    .search-go:hover{background:var(--blue-2)}
    .button{margin:0;border-radius:999px;font-size:14px;font-weight:800;padding:12px 19px;background:var(--blue);box-shadow:inset 0 -2px 0 rgba(16,37,51,.2);transition:var(--ease)}
    .button:hover{background:#397094;transform:translateY(-1px)}
    .button:active{transform:translateY(1px)}
    .button.secondary{background:#fff;color:var(--blue);border:1px solid var(--line);box-shadow:none}
    .button.secondary:hover{background:var(--blue-pale)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--blue);width:42px;height:42px;border-radius:10px}
    .menu-toggle:hover{background:var(--blue-pale)}
    .mobile-panel{display:none;padding:0 20px 18px;border-top:1px solid var(--line)}
    .mobile-panel.open{display:block}
    .mobile-panel a{display:block;padding:12px 0;font-weight:700;color:var(--muted)}
    .mobile-panel .button{color:#fff;text-align:center;margin-top:6px}
    .hero{background:linear-gradient(115deg,#f8fafb 0%,#f8fafb 56%,#edf4f6 56%,#edf4f6 100%);padding:76px 0 64px;overflow:hidden;position:relative}
    .hero:after{content:"";position:absolute;right:-80px;top:-100px;width:430px;height:430px;background-image:linear-gradient(rgba(49,93,124,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(49,93,124,.07) 1px,transparent 1px);background-size:28px 28px;transform:rotate(10deg);border-radius:50%;pointer-events:none}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--blue-2)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:52px;line-height:1.18;letter-spacing:-2px;margin:18px 0 20px;font-weight:850}
    h1 em{font-style:normal;color:var(--blue);border-bottom:5px solid #b8d7df}
    .hero-copy{font-size:17px;color:var(--muted);max-width:570px;margin-bottom:27px}
    .hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .hint{font-size:13px;color:var(--muted)}
    .hero-points{display:flex;gap:25px;margin-top:38px;padding-top:21px;border-top:1px solid var(--line)}
    .hero-point{font-size:13px;color:var(--muted);display:flex;gap:7px;align-items:center}
    .dot{width:8px;height:8px;border-radius:50%;background:var(--blue-2)}
    .index-board{position:relative;min-height:405px;margin-left:15px;z-index:1}
    .board-main{position:absolute;inset:20px 10px 0 35px;background:#fff;padding:20px;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .board-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}
    .board-title{font-size:14px;font-weight:800}.board-pill{font-size:11px;background:var(--blue-pale);color:var(--blue);padding:4px 9px;border-radius:99px;font-weight:800}
    .board-filter{display:flex;gap:7px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:14px}
    .board-filter span{font-size:11px;background:#f3f6f7;padding:5px 9px;border-radius:99px;color:var(--muted)}
    .board-filter span:first-child{background:var(--blue);color:#fff}
    .board-row{display:flex;align-items:center;gap:11px;padding:14px 0;border-bottom:1px solid #edf1f3}
    .cover-mini,.cover-block{position:relative;overflow:hidden;background:linear-gradient(135deg,#315d7c,#8eb8c4 58%,#eae5dd 59%);isolation:isolate}
    .cover-mini{width:57px;height:45px;border-radius:10px;flex:none}
    .cover-mini:after,.cover-block:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(125deg,rgba(255,255,255,.13) 0 2px,transparent 2px 8px)}
    .row-text{flex:1;min-width:0}.row-text b,.row-text small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-text b{font-size:13px}.row-text small{font-size:11px;color:var(--muted);margin-top:2px}
    .play-small{width:25px;height:25px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--blue);font-size:10px}
    .floating-cover{position:absolute;width:132px;height:155px;border-radius:15px;background:linear-gradient(160deg,#dcecef,#4a8da4 55%,#315d7c);right:-8px;top:-9px;box-shadow:var(--shadow);border:5px solid #fff;padding:12px;color:#fff}
    .floating-cover strong{font-size:11px;display:block;letter-spacing:.08em}.floating-cover i{position:absolute;bottom:15px;left:13px;font-style:normal;font-weight:800;font-size:23px}.floating-cover:after{content:"▶";position:absolute;bottom:17px;right:13px;width:25px;height:25px;border:1px solid rgba(255,255,255,.7);border-radius:50%;display:grid;place-items:center;font-size:9px}
    .section{padding:92px 0}.section-sand{background:var(--sand)}.section-blue{background:#edf4f6}
    .section-head{max-width:650px;margin-bottom:35px}.section-num{font-size:12px;letter-spacing:.13em;color:var(--blue-2);font-weight:800}.section h2{font-size:35px;line-height:1.3;letter-spacing:-1px;margin:9px 0 11px}.section-head p{color:var(--muted);margin-bottom:0}
    .feature-book{border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow);overflow:hidden}
    .feature-item{padding:31px 28px;min-height:220px;position:relative;border-right:1px solid var(--line)}
    .feature-item:last-child{border-right:0}.feature-item.highlight{background:#edf6f8}
    .feature-no{font-weight:850;font-size:13px;color:var(--blue-2);letter-spacing:.08em}.feature-icon{width:42px;height:42px;border:1px solid #c8dce2;border-radius:12px;display:grid;place-items:center;color:var(--blue);margin:14px 0}
    .feature-icon svg{width:21px;height:21px}.feature-item h3{font-size:19px;margin-bottom:8px}.feature-item p{font-size:14px;color:var(--muted);line-height:1.65;margin:0}.feature-item:after{content:"";width:42px;height:2px;background:#a6c9d3;position:absolute;bottom:27px;left:28px}
    .fine-print{font-size:13px;color:var(--muted);margin:15px 4px 0}
    .scene-nav{padding-right:32px}.scene-link{display:flex;align-items:flex-start;gap:13px;border:0;border-bottom:1px solid #d5e0e4;background:transparent;width:100%;padding:16px 0;text-align:left;color:var(--muted)}.scene-link:hover,.scene-link.active{color:var(--blue)}.scene-link.active{font-weight:800}.scene-no{font-size:12px;color:var(--blue-2);padding-top:3px}.scene-link b{display:block;font-size:16px}.scene-link small{display:block;font-weight:400;font-size:13px;margin-top:3px}
    .demo-window{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:21px}.demo-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:17px}.dots{display:flex;gap:5px}.dots i{width:7px;height:7px;border-radius:50%;background:#b6c8cf}.demo-search{background:#f4f7f8;border-radius:99px;padding:6px 12px;font-size:12px;color:var(--muted)}
    .demo-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:14px}.demo-feature{min-height:223px;padding:17px;border-radius:14px;background:linear-gradient(140deg,#315d7c,#649cac 61%,#dce9e9 62%);color:#fff;position:relative;overflow:hidden}.demo-feature:before{content:"精选 / 01";font-size:11px;letter-spacing:.12em}.demo-feature h3{position:absolute;bottom:35px;left:17px;font-size:19px;margin:0}.demo-feature small{position:absolute;bottom:16px;left:17px}.demo-feature .circle-play{position:absolute;right:17px;bottom:18px}.circle-play{width:36px;height:36px;border:1px solid currentColor;border-radius:50%;display:grid;place-items:center;font-size:11px}
    .demo-stack{display:grid;gap:14px}.demo-tile{min-height:104px;padding:13px;border-radius:14px;background:#edf3f4;border:1px solid #dfe8eb;position:relative}.demo-tile:nth-child(2){background:#eee9e1}.demo-tile b{font-size:14px;display:block;padding-top:30px}.demo-tile small{font-size:11px;color:var(--muted)}
    .data-strip{display:flex;align-items:center;justify-content:space-between;gap:15px;background:var(--blue);border-radius:16px;padding:19px 26px;color:#fff;margin-bottom:27px}.data-strip div{border-right:1px solid rgba(255,255,255,.25);padding-right:25px}.data-strip div:last-child{border:0;padding:0}.data-strip b{display:block;font-size:20px;line-height:1.2}.data-strip span{font-size:12px;opacity:.8}
    .quote-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);height:100%;transition:var(--ease)}.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-up)}.quote-card.wide{background:#f7fbfc}.quote-mark{font-size:37px;line-height:.7;color:#9fc5cf}.quote-card p{font-size:15px;margin:12px 0 20px}.quote-person{display:flex;align-items:center;gap:10px}.avatar{width:33px;height:33px;border-radius:50%;display:grid;place-items:center;background:var(--blue-pale);color:var(--blue);font-size:12px;font-weight:850}.quote-person b{font-size:13px;display:block}.quote-person small{font-size:11px;color:var(--muted)}
    .trust-note{border:1px solid #cfe0e5;background:#f9fbfb;border-radius:14px;padding:16px 19px;margin-top:23px;color:var(--muted);font-size:13px}.trust-note b{color:var(--blue)}
    .media-row{display:flex;gap:16px;overflow-x:auto;padding:3px 2px 16px;scroll-snap-type:x mandatory}.media-row::-webkit-scrollbar{height:7px}.media-row::-webkit-scrollbar-thumb{background:#bdd1d7;border-radius:99px}.media-card{min-width:245px;max-width:245px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);scroll-snap-align:start;transition:var(--ease)}.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-up)}.media-art{height:135px;background:linear-gradient(135deg,#dcecef,#487f97 52%,#eae5dd 53%);position:relative}.media-art.two{background:linear-gradient(135deg,#e9e2d8,#92bec8 45%,#315d7c 46%)}.media-art.three{background:linear-gradient(135deg,#315d7c,#799dac 58%,#e8f0ef 59%)}.media-art:after{content:"";position:absolute;inset:15px;border:1px solid rgba(255,255,255,.55);border-radius:10px}.media-body{padding:15px}.badge{display:inline-block;background:var(--blue-pale);color:var(--blue);border-radius:99px;font-size:11px;font-weight:800;padding:3px 8px;margin-bottom:8px}.media-body h3{font-size:16px;line-height:1.45;margin:0 0 5px}.media-body p{font-size:12px;color:var(--muted);margin:0}
    .news-box{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius-lg);padding:14px 25px}.news-item{display:flex;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid #edf1f2}.news-item:last-child{border:0}.news-date{font-size:12px;color:var(--blue-2);font-weight:800;width:48px}.news-item b{font-size:15px;flex:1}.news-item span{color:var(--muted);font-size:13px}.arrow{font-size:18px;color:var(--blue);transition:var(--ease)}.news-item:hover .arrow{transform:translateX(4px)}
    .join-panel{background:var(--blue);color:#fff;border-radius:var(--radius-lg);padding:42px;position:relative;overflow:hidden}.join-panel:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-75px;top:-105px;box-shadow:0 0 0 28px rgba(255,255,255,.05),0 0 0 56px rgba(255,255,255,.035)}.join-panel h2{font-size:32px;margin-bottom:9px;position:relative;z-index:1}.join-panel p{max-width:650px;color:rgba(255,255,255,.8);position:relative;z-index:1;margin-bottom:22px}.join-panel .button{background:#fff;color:var(--blue);position:relative;z-index:1}.join-panel .button:hover{background:#e9f4f6}
    .faq-wrap{max-width:850px}.accordion{background:transparent}.accordion-item{border:1px solid var(--line);border-radius:13px;background:#fff;margin-bottom:10px;overflow:hidden}.accordion-title{border:0;color:var(--ink);font-size:15px;font-weight:800;padding:17px 50px 17px 19px}.accordion-title:hover,.accordion-title:focus{background:var(--blue-pale);color:var(--blue)}.accordion-title:before{color:var(--blue);font-size:22px;right:18px;margin-top:-15px}.accordion-content{border:0;border-top:1px solid var(--line);padding:0 19px 17px;color:var(--muted);font-size:14px}
    .site-footer{background:var(--footer);color:#d7e2e5;padding:52px 0 28px}.footer-brand{color:#fff;margin-bottom:12px}.footer-brand .brand-mark{background:#4a8da4}.footer-copy{font-size:13px;max-width:355px;color:#b8c8cd}.footer-title{font-size:13px;color:#fff;font-weight:800;margin-bottom:9px}.footer-links a{display:block;font-size:13px;color:#c3d2d6;padding:4px 0}.footer-links a:hover{color:#fff;padding-left:3px}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:35px;padding-top:18px;font-size:12px;color:#aebfc5;display:flex;justify-content:space-between;gap:12px}.back-top{color:#fff;font-weight:700}.back-top:hover{color:#9dd2df}
    .fixed-bar{position:fixed;z-index:60;bottom:20px;left:50%;transform:translateX(-50%);background:#fff;border:1px solid #cfdee3;border-radius:999px;box-shadow:0 14px 34px rgba(30,57,70,.18);min-width:620px;padding:8px 9px 8px 17px;display:flex;align-items:center;gap:12px}.fixed-icon{width:29px;height:29px;border-radius:50%;background:var(--blue-pale);color:var(--blue);display:grid;place-items:center;font-size:13px}.fixed-text{font-size:13px;font-weight:700;flex:1}.fixed-close{border:0;background:transparent;color:var(--muted);font-size:19px;padding:4px 7px;line-height:1}.fixed-close:hover{color:var(--blue);background:var(--blue-pale);border-radius:50%}.fixed-bar .button{padding:10px 17px;font-size:13px}
    @media (max-width:1024px){.nav-wrap{justify-content:flex-start}.menu a{padding-left:9px!important;padding-right:9px!important}.mini-search{width:180px}h1{font-size:43px}.index-board{margin-left:0}.scene-nav{padding-right:18px}.fixed-bar{min-width:560px}}
    @media (max-width:767px){body{padding-bottom:80px}.top-bar{min-height:64px;gap:7px}.brand{font-size:13px;max-width:220px;overflow:hidden;text-overflow:ellipsis}.brand-mark{width:29px;height:29px}.nav-wrap,.header-tools .mini-search,.header-tools>.button{display:none}.header-tools{margin-left:auto}.header-tools:before{content:"⌕";font-size:24px;color:var(--blue);font-weight:700}.menu-toggle{display:block}.hero{padding:51px 0 48px;background:#f8fafb}.hero .cell:first-child{position:relative;z-index:2}h1{font-size:35px;letter-spacing:-1px}.hero-copy{font-size:15px}.index-board{margin-top:34px;min-height:350px}.board-main{inset:18px 0 0 8px}.floating-cover{right:-3px}.hero-points{gap:13px;flex-wrap:wrap}.section{padding:58px 0}.section h2{font-size:28px}.feature-item{border-right:0;border-bottom:1px solid var(--line);min-height:0;padding:25px}.feature-item:last-child{border-bottom:0}.scene-nav{padding-right:0;margin-bottom:22px}.scene-link{padding:12px 0}.demo-grid{grid-template-columns:1fr}.demo-stack{grid-template-columns:1fr 1fr}.data-strip{padding:16px;gap:9px}.data-strip div{padding-right:10px}.data-strip b{font-size:16px}.data-strip span{font-size:10px}.quote-card{margin-bottom:12px}.join-panel{padding:30px 24px}.join-panel h2{font-size:27px}.footer-bottom{display:block}.footer-bottom .back-top{display:inline-block;margin-top:8px}.fixed-bar{bottom:0;left:0;transform:none;border-radius:0;min-width:0;width:100%;padding:8px 10px;gap:7px}.fixed-text{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fixed-bar .button{padding:10px 13px}.fixed-close{font-size:17px;padding:3px}.site-footer{padding-bottom:36px}}
    @media (max-width:479px){.grid-container{padding-left:16px;padding-right:16px}.brand{max-width:185px}.hero{padding-top:40px}h1{font-size:31px}.hero-actions .button{width:100%;text-align:center}.hint{width:100%}.hero-points{display:block}.hero-point{margin:7px 0}.index-board{min-height:330px}.board-main{padding:15px}.floating-cover{width:112px;height:130px}.demo-stack{grid-template-columns:1fr}.data-strip{display:grid;grid-template-columns:1fr 1fr}.data-strip div{border:0}.data-strip div:last-child{grid-column:span 2}.news-box{padding:8px 15px}.news-item{gap:9px}.news-item span{display:none}.join-panel{padding:27px 20px}.fixed-icon{display:none}.fixed-text{max-width:120px}.section-head{margin-bottom:25px}}

/* roulang page: category1 */
:root{
 --ink:#1f2c35;--muted:#60717b;--blue:#315d7c;--blue-2:#4a8da4;--blue-pale:#eaf2f5;
 --paper:#f7f9fa;--white:#fff;--sand:#eae5dd;--line:#d9e4e9;--footer:#263b49;
 --radius-lg:20px;--radius:16px;--radius-sm:12px;--shadow:0 12px 30px rgba(36,65,82,.08);
 --shadow-up:0 18px 38px rgba(36,65,82,.15);--ease:all .2s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7;padding-bottom:108px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
button,input,select{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(74,141,164,.36);outline-offset:3px}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px}
.site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(36,65,82,.035);position:sticky;top:0;z-index:50}
.header-inner{height:72px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:800;font-size:16px;white-space:nowrap;letter-spacing:-.4px}
.brand-mark{width:31px;height:31px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;box-shadow:inset 0 -2px 0 rgba(0,0,0,.13)}
.brand-mark:before{content:"";width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid #fff;margin-left:2px}
.nav-wrap{flex:1;display:flex;align-items:center;justify-content:center}
.menu{background:transparent}
.menu a{font-size:14px;font-weight:700;color:var(--muted);padding:25px 14px 21px!important;border-bottom:3px solid transparent}
.menu a:hover{color:var(--blue)}
.menu .is-active>a{color:var(--blue);border-color:var(--blue);background:transparent}
.header-tools{display:flex;align-items:center;gap:10px}
.mini-search{display:flex;align-items:center;width:230px;height:42px;border:1px solid var(--line);border-radius:999px;background:#f9fbfc;padding:0 6px 0 13px}
.mini-search svg{width:17px;height:17px;color:var(--muted);flex:none}
.mini-search input{min-width:0;flex:1;border:0;background:transparent;outline:0;font-size:13px;padding:0 8px;color:var(--ink)}
.mini-search input::placeholder{color:#8998a1}
.search-go{border:0;border-radius:50%;width:30px;height:30px;color:#fff;background:var(--blue);display:grid;place-items:center;transition:var(--ease)}
.search-go:hover{background:var(--blue-2);transform:scale(1.04)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;margin:0;border:0;border-radius:999px;font-size:14px;font-weight:800;padding:12px 19px;background:var(--blue);color:#fff;box-shadow:inset 0 -2px 0 rgba(16,37,51,.2);transition:var(--ease)}
.button:hover{background:#397094;color:#fff;transform:translateY(-1px)}
.button:active{transform:translateY(1px)}
.button.secondary{background:#fff;color:var(--blue);border:1px solid var(--line);box-shadow:none}
.button.secondary:hover{background:var(--blue-pale);color:var(--blue)}
.menu-toggle{display:none;border:0;background:transparent;color:var(--blue);width:42px;height:42px;border-radius:10px}
.menu-toggle:hover{background:var(--blue-pale)}
.mobile-panel{display:none;padding:0 20px 18px;border-top:1px solid var(--line);background:#fff}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:12px 0;font-weight:700;color:var(--muted)}
.mobile-panel .button{color:#fff;text-align:center;margin-top:8px;width:100%}

.page-head{position:relative;overflow:hidden;padding:46px 0 42px;background:#eaf1f4;border-bottom:1px solid var(--line)}
.page-head:before{content:"";position:absolute;width:500px;height:280px;right:-60px;top:-80px;background-image:linear-gradient(rgba(49,93,124,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(49,93,124,.09) 1px,transparent 1px);background-size:27px 27px;transform:rotate(-9deg)}
.breadcrumb{position:relative;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:15px}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb span{color:#99a8b0}
.page-head h1{position:relative;font-size:39px;line-height:1.25;letter-spacing:-1.2px;margin:0 0 11px}
.page-head p{position:relative;max-width:650px;color:var(--muted);margin:0}
.head-meta{position:relative;display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-top:20px}
.badge{display:inline-flex;align-items:center;min-height:28px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:800;background:var(--blue-pale);color:var(--blue)}
.badge.sand{background:#f3eee6;color:#6c6256}
.update-note{font-size:13px;color:var(--muted)}
.cover-collage{position:absolute;right:max(6%,calc((100vw - 1200px)/2));top:25px;width:260px;height:150px}
.cover-card{position:absolute;border:1px solid rgba(255,255,255,.8);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.cover-card:after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,transparent 35%,rgba(255,255,255,.22))}
.cover-a{width:135px;height:135px;right:5px;top:0;background:linear-gradient(135deg,#315d7c 0 48%,#9dc4cb 48% 60%,#eae5dd 60%)}
.cover-b{width:110px;height:102px;left:0;bottom:0;background:linear-gradient(145deg,#fff 0 24%,#719eae 24% 69%,#315d7c 69%)}
.cover-label{position:absolute;z-index:2;left:13px;bottom:12px;color:#fff;font-size:11px;font-weight:800;letter-spacing:.1em}
.cover-b .cover-label{color:var(--ink)}

.catalog-section{padding:55px 0 88px}
.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:23px 20px;position:sticky;top:94px}
.filter-title{display:flex;align-items:center;justify-content:space-between;font-size:17px;font-weight:800;padding-bottom:15px;border-bottom:1px solid var(--line)}
.filter-reset{border:0;background:none;color:var(--blue);font-size:12px;font-weight:800;padding:4px}
.filter-group{padding:18px 0;border-bottom:1px solid #eaf0f2}
.filter-group:last-child{border-bottom:0;padding-bottom:2px}
.filter-group h2{font-size:13px;letter-spacing:.03em;margin:0 0 11px;color:var(--ink)}
.check-line{display:flex;align-items:center;gap:9px;margin:8px 0;color:var(--muted);font-size:13px;cursor:pointer}
.check-line input{width:16px;height:16px;accent-color:var(--blue)}
.filter-pills{display:flex;flex-wrap:wrap;gap:7px}
.filter-pills button{background:#f5f8f9;color:var(--muted);border:1px solid transparent;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700;transition:var(--ease)}
.filter-pills button:hover,.filter-pills button.selected{background:var(--blue-pale);border-color:#c8dce2;color:var(--blue)}
.filter-select{width:100%;height:39px;border:1px solid var(--line);border-radius:10px;color:var(--muted);background:#fafcfc;padding:0 10px;outline:none;font-size:13px}
.filter-select:focus{border-color:var(--blue-2)}
.catalog-top{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:19px}
.catalog-count{font-size:14px;color:var(--muted);margin:0}
.catalog-count strong{color:var(--ink);font-size:18px}
.sort-control{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:13px;color:var(--muted)}
.sort-control select{height:38px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink);padding:0 9px;font-size:13px}
.active-chips{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--blue-pale);color:var(--blue);padding:5px 9px 5px 11px;border-radius:999px;font-size:12px;font-weight:800}
.chip button{border:0;background:transparent;color:var(--blue);font-size:17px;line-height:1;padding:0}
.clear-all{border:0;background:transparent;color:var(--muted);font-size:12px;text-decoration:underline;text-underline-offset:3px}
.clear-all:hover{color:var(--blue)}

.catalog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px}
.media-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 7px 20px rgba(36,65,82,.055);overflow:hidden;transition:var(--ease);outline:none}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-up);border-color:#bfd3da}
.media-card:focus-visible{outline:3px solid rgba(74,141,164,.4);outline-offset:3px}
.media-card.featured{grid-column:span 2;display:grid;grid-template-columns:1.18fr .82fr;min-height:250px}
.media-visual{min-height:176px;position:relative;overflow:hidden;background:#dce9ed}
.featured .media-visual{height:auto;min-height:250px}
.media-card:hover .visual-shape{transform:scale(1.07)}
.visual-shape{position:absolute;inset:0;transition:transform .45s ease}
.visual-1{background:linear-gradient(135deg,#315d7c 0 45%,#85b0bb 45% 58%,#e9e4dc 58% 100%)}
.visual-1:before{content:"";position:absolute;width:48%;height:72%;left:13%;top:14%;border:1px solid rgba(255,255,255,.48);border-radius:80px 80px 12px 12px}
.visual-2{background:linear-gradient(155deg,#eae5dd 0 38%,#91bac4 38% 62%,#365f7b 62%)}
.visual-2:before{content:"02";position:absolute;right:14px;top:13px;color:rgba(255,255,255,.72);font-size:44px;font-weight:800}
.visual-3{background:linear-gradient(135deg,#edf4f5 0 28%,#4a8da4 28% 51%,#274a65 51%)}
.visual-3:after{content:"";position:absolute;width:80px;height:80px;border:1px solid rgba(255,255,255,.6);border-radius:50%;right:18px;bottom:-20px}
.visual-4{background:linear-gradient(45deg,#e6e0d8 0 35%,#fff 35% 48%,#729cae 48% 74%,#315d7c 74%)}
.visual-4:before{content:"INDEX";position:absolute;left:15px;bottom:15px;color:#fff;font-size:11px;letter-spacing:.15em;font-weight:800}
.visual-5{background:linear-gradient(145deg,#2f5874 0 38%,#a7cbd1 38% 67%,#f7f9fa 67%)}
.visual-5:before{content:"";position:absolute;inset:22px;border:1px solid rgba(255,255,255,.55);border-radius:10px}
.visual-6{background:linear-gradient(135deg,#f7f9fa 0 32%,#d4e3e5 32% 50%,#597f91 50% 70%,#eae5dd 70%)}
.play-mark{position:absolute;z-index:2;top:14px;left:14px;width:33px;height:33px;border-radius:50%;background:rgba(255,255,255,.9);display:grid;place-items:center;color:var(--blue);box-shadow:0 4px 10px rgba(20,52,68,.12)}
.play-mark:after{content:"";border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:8px solid var(--blue);margin-left:2px}
.visual-index{position:absolute;z-index:2;right:14px;bottom:12px;color:#fff;font-size:11px;font-weight:800;letter-spacing:.12em}
.media-info{padding:17px 18px 16px}
.featured .media-info{display:flex;flex-direction:column;justify-content:center;padding:28px}
.card-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.card-badge{font-size:11px;font-weight:800;color:var(--blue);background:var(--blue-pale);padding:4px 8px;border-radius:99px}
.card-time{font-size:11px;color:#87969e}
.media-info h2{font-size:18px;line-height:1.45;letter-spacing:-.25px;margin:10px 0 6px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.featured .media-info h2{font-size:22px}
.card-desc{font-size:13px;line-height:1.65;color:var(--muted);margin:0 0 12px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;border-top:1px solid #edf1f3;padding-top:11px}
.card-arrow{font-size:20px;line-height:1;color:var(--blue);transition:var(--ease)}
.media-card:hover .card-arrow{transform:translateX(4px)}
.load-wrap{text-align:center;padding-top:33px}
.load-more{min-width:150px}
.pagination{display:flex;justify-content:center;align-items:center;gap:7px;margin:25px 0 0}
.pagination button{width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--muted);font-size:13px;font-weight:800}
.pagination button:hover,.pagination button.current{background:var(--blue);border-color:var(--blue);color:#fff}
.pagination button:disabled{opacity:.42;cursor:not-allowed;background:#f1f4f5;color:var(--muted)}

.notice-band{margin:8px 0 70px;background:var(--sand);border:1px solid #ddd5ca;border-radius:var(--radius-lg);padding:24px 28px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.notice-copy{display:flex;align-items:center;gap:16px}
.notice-icon{width:44px;height:44px;flex:none;border-radius:13px;background:#fff;color:var(--blue);display:grid;place-items:center;border:1px solid #ddd5ca}
.notice-icon svg{width:22px;height:22px}
.notice-copy h2{font-size:17px;margin:0 0 2px}
.notice-copy p{font-size:13px;color:var(--muted);margin:0}
.guide-section{padding:0 0 78px}
.guide-wrap{background:#edf4f6;border-radius:var(--radius-lg);padding:37px 38px}
.section-num{font-size:12px;letter-spacing:.13em;color:var(--blue-2);font-weight:800}
.guide-wrap h2{font-size:29px;line-height:1.35;margin:7px 0 13px;letter-spacing:-.7px}
.guide-wrap>p{color:var(--muted);max-width:650px;margin:0 0 22px}
.guide-list{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.guide-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px}
.guide-item b{display:block;color:var(--blue);font-size:13px;margin-bottom:5px}
.guide-item span{font-size:13px;color:var(--muted);line-height:1.6}
.faq-section{padding:78px 0;background:#fff;border-top:1px solid var(--line)}
.faq-head{max-width:670px;margin-bottom:27px}
.faq-head h2{font-size:31px;line-height:1.3;margin:8px 0}
.faq-head p{color:var(--muted);margin:0}
.accordion{background:transparent;margin:0}
.accordion-item{border:1px solid var(--line);border-bottom:0}
.accordion-item:first-child{border-radius:14px 14px 0 0;overflow:hidden}
.accordion-item:last-child{border-bottom:1px solid var(--line);border-radius:0 0 14px 14px;overflow:hidden}
.accordion-title{border:0;background:#fff;color:var(--ink);font-size:15px;font-weight:800;padding:17px 47px 17px 19px}
.accordion-title:hover,.accordion-title:focus{background:var(--blue-pale);color:var(--blue)}
.accordion-title:before{color:var(--blue);font-size:21px;font-weight:400;right:19px;margin-top:-14px}
.accordion-content{border:0;background:#fbfcfc;color:var(--muted);font-size:14px;padding:0 20px 18px;line-height:1.75}
.related{padding:70px 0;background:var(--paper)}
.related-inner{display:flex;align-items:center;justify-content:space-between;gap:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:29px 31px;box-shadow:var(--shadow)}
.related h2{font-size:22px;margin:0 0 5px}
.related p{font-size:13px;color:var(--muted);margin:0}
.tag-cloud{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}
.tag-cloud a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--blue);font-weight:700;background:#f9fbfc}
.tag-cloud a:hover{background:var(--blue-pale);border-color:#b7d2da}

.site-footer{background:var(--footer);color:#dce7eb;padding:51px 0 20px}
.footer-brand{color:#fff;margin-bottom:13px}
.footer-brand .brand-mark{background:#4a8da4}
.footer-copy{font-size:13px;line-height:1.75;color:#b8c8cf;max-width:355px;margin:0}
.footer-title{color:#fff;font-weight:800;font-size:14px;margin:4px 0 12px}
.footer-links{display:flex;flex-direction:column;gap:7px}
.footer-links a{font-size:13px;color:#bccbd1;width:max-content}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid rgba(223,237,241,.17);margin-top:36px;padding-top:18px;font-size:12px;color:#afc1c9}
.back-top{color:#e8f2f4;font-weight:700}
.back-top:hover{color:#fff}
.floating-cta{position:fixed;z-index:45;left:50%;bottom:20px;transform:translateX(-50%);width:min(670px,calc(100% - 36px));display:flex;align-items:center;gap:13px;background:#fff;border:1px solid var(--line);box-shadow:0 15px 35px rgba(28,56,72,.16);border-radius:999px;padding:8px 8px 8px 16px}
.float-icon{width:29px;height:29px;flex:none;border-radius:50%;background:var(--blue-pale);display:grid;place-items:center;color:var(--blue)}
.float-icon:after{content:"⌕";font-size:20px;font-weight:800;line-height:1}
.float-copy{flex:1;min-width:0;font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.float-copy strong{color:var(--ink)}
.float-close{border:0;background:transparent;color:#86969e;width:29px;height:29px;border-radius:50%;font-size:19px;line-height:1}
.float-close:hover{background:#eef3f5;color:var(--blue)}
.floating-cta .button{padding:10px 17px;white-space:nowrap}

@media (max-width:1199px){
 .cover-collage{right:25px;opacity:.7}
 .catalog-grid{gap:15px}
}
@media (max-width:960px){
 .nav-wrap{justify-content:flex-start}
 .mini-search{width:185px}
 .page-head h1{font-size:35px}
 .cover-collage{display:none}
 .filter-panel{position:static;margin-bottom:22px}
 .filter-panel .filter-group{display:inline-block;vertical-align:top;width:49%;padding-right:15px;border-bottom:1px solid #eaf0f2}
 .filter-panel .filter-group:nth-last-child(-n+2){border-bottom:0}
 .filter-title{margin-bottom:5px}
}
@media (max-width:767px){
 body{padding-bottom:83px;font-size:15px}
 .grid-container{padding-left:16px;padding-right:16px}
 .header-inner{height:64px;gap:8px}
 .brand{font-size:14px;max-width:225px;overflow:hidden;text-overflow:ellipsis}
 .brand-mark{width:29px;height:29px;border-radius:9px}
 .nav-wrap,.header-tools .mini-search,.header-tools>.button{display:none}
 .header-tools{margin-left:auto}
 .header-tools:before{content:"⌕";font-size:25px;color:var(--blue);font-weight:800;width:38px;text-align:center}
 .menu-toggle{display:block}
 .page-head{padding:32px 0}
 .page-head h1{font-size:28px}
 .page-head p{font-size:14px}
 .catalog-section{padding:35px 0 59px}
 .filter-panel{padding:18px 16px}
 .filter-panel .filter-group{display:block;width:100%;padding-right:0}
 .filter-panel .filter-group:nth-last-child(-n+2){border-bottom:1px solid #eaf0f2}
 .filter-panel .filter-group:last-child{border-bottom:0}
 .catalog-top{align-items:flex-start;flex-direction:column;margin-bottom:15px}
 .sort-control{width:100%;justify-content:space-between}
 .sort-control select{flex:1}
 .catalog-grid{grid-template-columns:1fr;gap:15px}
 .media-card.featured{grid-column:auto;display:block}
 .featured .media-visual{min-height:205px}
 .featured .media-info{padding:18px}
 .featured .media-info h2{font-size:19px}
 .notice-band{margin-bottom:52px;padding:20px;align-items:flex-start;flex-direction:column}
 .notice-copy{align-items:flex-start}
 .notice-band .button{width:100%}
 .guide-wrap{padding:27px 21px}
 .guide-wrap h2{font-size:25px}
 .guide-list{grid-template-columns:1fr}
 .faq-section{padding:57px 0}
 .faq-head h2{font-size:27px}
 .related{padding:52px 0}
 .related-inner{padding:23px 20px;display:block}
 .tag-cloud{justify-content:flex-start;margin-top:17px}
 .site-footer{padding-top:40px}
 .site-footer .cell{margin-bottom:27px}
 .footer-bottom{align-items:flex-start;flex-direction:column;margin-top:5px}
 .floating-cta{bottom:0;width:100%;border-radius:15px 15px 0 0;padding:8px 10px 8px 13px}
 .float-copy{font-size:12px}
 .floating-cta .button{padding:10px 13px;font-size:13px}
}
@media (max-width:480px){
 .brand{max-width:195px;font-size:13px}
 .header-tools:before{width:30px}
 .page-head h1{font-size:25px}
 .head-meta{gap:6px}
 .media-visual{min-height:164px}
 .pagination button:nth-child(3),.pagination button:nth-child(5){display:none}
 .float-icon{display:none}
 .float-close{width:24px}
 .floating-cta .button{padding:10px 11px}
}