/* roulang page: index */
:root{
      --blue:#2474df;
      --blue-dark:#1554aa;
      --blue-soft:#eaf3ff;
      --ink:#15253d;
      --muted:#65748a;
      --line:#dce6f1;
      --paper:#ffffff;
      --wash:#f5f8fc;
      --cyan:#3dbbd0;
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:10px;
      --shadow:0 16px 42px rgba(31,73,125,.10);
      --shadow-sm:0 8px 22px rgba(31,73,125,.08);
      --max:1220px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(220,230,241,.8);backdrop-filter:blur(12px)}
    .nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-weight:800;letter-spacing:-.03em;font-size:17px}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:11px;font-size:16px;box-shadow:0 7px 15px rgba(36,116,223,.25)}
    .nav-tabs{display:flex;align-items:center;gap:6px;flex:1}
    .nav-tab{padding:8px 14px;border:1px solid transparent;border-radius:999px;color:var(--muted);font-size:14px;transition:.2s ease}
    .nav-tab:hover,.nav-tab:focus-visible{color:var(--blue);border-color:#cfe0f8;background:#f6faff;outline:none}
    .nav-tab.active{color:var(--blue-dark);background:var(--blue-soft);font-weight:700}
    .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:12px;background:var(--blue);color:#fff;font-weight:700;box-shadow:0 9px 20px rgba(36,116,223,.2);transition:.2s ease}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(36,116,223,.28)}
    .nav-cta:focus-visible,.btn-primary:focus-visible,.btn-secondary:focus-visible,.close-bar:focus-visible{outline:3px solid rgba(61,187,208,.45);outline-offset:3px}
    .hero{padding:82px 0 78px;background:linear-gradient(100deg,#fff 0%,#f8fbff 62%,#edf6ff 100%);position:relative}
    .hero:after{content:"";position:absolute;right:-100px;top:35px;width:360px;height:260px;background:#dff2fa;clip-path:polygon(24% 0,100% 18%,78% 100%,0 72%);opacity:.7;z-index:0}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:76px}
    .eyebrow,.section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    h1{font-size:clamp(40px,5vw,70px);line-height:1.12;letter-spacing:-.055em;max-width:720px;margin:16px 0 22px}
    .hero-copy{font-size:18px;color:var(--muted);max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:31px 0 24px}
    .btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border:1px solid #cbd9e9;color:var(--blue-dark);border-radius:12px;background:#fff;font-weight:700;transition:.2s}
    .btn-secondary:hover{background:var(--blue-soft);border-color:#9ec3f3;transform:translateY(-2px)}
    .hero-notes{display:flex;gap:24px;color:var(--muted);font-size:13px;flex-wrap:wrap}
    .hero-notes span:before{content:"✓";display:inline-grid;place-items:center;width:19px;height:19px;margin-right:7px;background:#dff5ee;color:#13815d;border-radius:50%;font-weight:800}
    .stage{background:#fff;border:1px solid var(--line);border-radius:28px;padding:18px;box-shadow:var(--shadow);transform:rotate(2deg)}
    .stage-top{display:flex;justify-content:space-between;align-items:center;padding:7px 8px 18px;color:var(--muted);font-size:12px}
    .status{display:flex;align-items:center;gap:6px}.status i{width:7px;height:7px;border-radius:50%;background:#28b685}
    .stage-main{padding:27px 25px 22px;border-radius:19px;background:#f1f7ff;border:1px solid #d9e9fb}
    .stage-main h2{font-size:25px;line-height:1.3;margin:11px 0 10px}
    .stage-main p{font-size:13px;color:var(--muted)}
    .tag-row{display:flex;gap:7px;flex-wrap:wrap}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:#fff;border:1px solid #d5e3f3;color:var(--blue-dark);font-size:12px}
    .stage-list{display:grid;gap:9px;margin-top:14px}.stage-item{display:flex;justify-content:space-between;gap:12px;padding:12px 13px;background:#fff;border:1px solid var(--line);border-radius:11px;font-size:13px}.stage-item b{font-weight:700}.stage-item em{font-style:normal;color:var(--muted);font-size:12px}
    section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}.section-head h2{font-size:clamp(27px,3vw,42px);letter-spacing:-.04em;line-height:1.2;margin-top:8px}.section-head p{max-width:530px;color:var(--muted);font-size:15px}
    .entry-section{background:var(--wash)}.entry-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:16px}.entry-card{position:relative;min-height:215px;padding:26px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:.22s}.entry-card:hover{transform:translateY(-5px);border-color:#9fc6f4;box-shadow:var(--shadow)}.entry-card.large{background:var(--blue);color:#fff;grid-row:span 2;min-height:446px;overflow:hidden}.entry-card.large:after{content:"";position:absolute;right:-80px;bottom:-90px;width:240px;height:240px;border:38px solid rgba(255,255,255,.13);border-radius:50%}.entry-card h3{font-size:22px;line-height:1.35;margin:23px 0 10px}.entry-card p{color:var(--muted);font-size:14px}.entry-card.large p{color:#dcecff}.entry-link{position:absolute;bottom:25px;left:26px;color:var(--blue);font-size:13px;font-weight:800}.entry-card.large .entry-link{color:#fff}
    .milestone{display:grid;grid-template-columns:.8fr 1.2fr;gap:76px;align-items:center}.milestone-copy h2{font-size:38px;line-height:1.25;margin:10px 0 17px}.milestone-copy p{color:var(--muted)}.progress-box{padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.progress-row{display:flex;justify-content:space-between;font-size:14px;margin-bottom:11px}.progress-row b{color:var(--blue)}.progress{height:10px;border-radius:20px;background:#e8eff7;overflow:hidden;margin-bottom:25px}.progress span{display:block;width:72%;height:100%;background:var(--blue);border-radius:inherit}.check-list{display:grid;gap:14px}.check-list li{list-style:none;display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--muted)}.check-list li:before{content:"";width:20px;height:20px;flex:0 0 20px;margin-top:3px;border-radius:6px;background:var(--blue-soft);border:5px solid #83b5ef}
    .news-section{background:#f8fbff}.news-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:18px}.news-list,.feature-news{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.news-list{padding:9px 24px}.news-item{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:21px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border-bottom:0}.news-item h3{font-size:16px;margin:5px 0}.news-item p{font-size:13px;color:var(--muted)}.news-date{white-space:nowrap;color:#8b99ab;font-size:12px}.feature-news{padding:28px}.feature-news .feature-icon{height:130px;border-radius:14px;background:linear-gradient(135deg,#dff2fa,#e7efff);display:grid;place-items:center;color:var(--blue);font-size:44px;font-weight:800;margin-bottom:22px}.feature-news h3{font-size:23px;line-height:1.35;margin-bottom:10px}.feature-news p{font-size:14px;color:var(--muted);margin-bottom:20px}
    .trust{padding-top:72px}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.trust-item{padding:22px;border-left:3px solid #b7d5f7;background:#f8fbff}.trust-item strong{display:block;font-size:18px;margin-bottom:6px}.trust-item span{font-size:13px;color:var(--muted)}
    .app-section{padding-top:66px}.app-panel{display:grid;grid-template-columns:1fr .8fr;gap:45px;align-items:center;background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:48px 54px;overflow:hidden;position:relative}.app-panel:after{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:8%;top:-130px}.app-panel h2{font-size:34px;line-height:1.3;margin:9px 0 14px}.app-panel p{color:#b9c9db;max-width:600px}.app-actions{margin-top:24px;display:flex;gap:11px;flex-wrap:wrap}.app-panel .btn-secondary{background:transparent;color:#fff;border-color:#61758d}.app-panel .btn-secondary:hover{background:#243852}
    .faq{background:var(--wash)}.faq-list{max-width:900px;margin:auto;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:21px 3px}summary{cursor:pointer;list-style:none;font-weight:700;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"＋";color:var(--blue);font-size:21px;line-height:1}details[open] summary:after{content:"－"}details p{color:var(--muted);font-size:14px;max-width:790px;padding:13px 35px 0 0}
    .site-footer{padding:55px 0 115px;background:#fff;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.footer-brand p{color:var(--muted);font-size:13px;max-width:300px;margin-top:14px}.footer-col h3{font-size:14px;margin-bottom:14px}.footer-col a{display:block;color:var(--muted);font-size:13px;margin:8px 0;transition:.2s}.footer-col a:hover{color:var(--blue)}.copyright{margin-top:42px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:#91a0b2}
    .fixed-bar{position:fixed;z-index:30;bottom:18px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 32px));display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 14px 12px 20px;background:#fff;border:1px solid #cbdced;border-radius:15px;box-shadow:0 15px 38px rgba(18,52,91,.18)}.fixed-bar p{font-size:13px;color:var(--ink)}.fixed-bar p span{color:var(--muted);margin-left:7px}.close-bar{width:30px;height:30px;border-radius:8px;background:transparent;color:#8796a7;font-size:20px}.close-bar:hover{background:var(--wash);color:var(--ink)}
    @media(max-width:1024px){.hero-grid{gap:40px}.entry-grid{grid-template-columns:1fr 1fr}.entry-card.large{grid-row:auto;min-height:300px}.milestone{gap:35px}.container{width:min(var(--max),calc(100% - 36px))}}
    @media(max-width:768px){.nav-wrap{gap:13px;min-height:68px}.brand{font-size:14px}.brand-mark{width:30px;height:30px}.nav-tabs{overflow-x:auto;scrollbar-width:none;white-space:nowrap}.nav-tabs::-webkit-scrollbar{display:none}.nav-tab{font-size:13px;padding:7px 11px}.nav-cta{padding:0 13px;font-size:13px;min-height:40px}.hero{padding:58px 0}.hero-grid,.milestone,.news-layout,.app-panel{grid-template-columns:1fr}.hero-copy{font-size:16px}.stage{max-width:600px;margin:auto}.section-head{display:block}.section-head p{margin-top:13px}.entry-grid{grid-template-columns:1fr}.entry-card.large{min-height:280px}.trust-grid{grid-template-columns:1fr 1fr}.app-panel{padding:34px 27px;gap:25px}.app-panel h2{font-size:29px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}section{padding:68px 0}}
    @media(max-width:520px){.container{width:calc(100% - 30px)}h1{font-size:38px}.hero-actions a{width:100%}.hero-notes{gap:10px;display:grid}.stage{padding:12px;border-radius:20px}.stage-main{padding:21px 16px}.stage-main h2{font-size:21px}.trust-grid{grid-template-columns:1fr}.news-list{padding:5px 16px}.news-item{align-items:flex-start;display:block}.news-date{display:block;margin-top:4px}.fixed-bar{bottom:9px;padding:10px 10px 10px 14px;gap:8px}.fixed-bar p{font-size:12px}.fixed-bar p span{display:block;margin:0}.fixed-bar .btn-primary{min-height:39px;padding:0 13px;font-size:13px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.site-footer{padding-bottom:105px}}

/* roulang page: category1 */
:root{
 --blue:#2474df;
 --blue-dark:#1554aa;
 --blue-soft:#eaf3ff;
 --ink:#15253d;
 --muted:#65748a;
 --line:#dce6f1;
 --paper:#ffffff;
 --wash:#f5f8fc;
 --cyan:#3dbbd0;
 --green:#168363;
 --radius-lg:24px;
 --radius-md:16px;
 --radius-sm:10px;
 --shadow:0 16px 42px rgba(31,73,125,.10);
 --shadow-sm:0 8px 22px rgba(31,73,125,.08);
 --max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0}
img{display:block;max-width:100%}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);border-bottom:1px solid rgba(220,230,241,.85);backdrop-filter:blur(12px)}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-weight:800;letter-spacing:-.03em;font-size:17px}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:11px;font-size:16px;box-shadow:0 7px 15px rgba(36,116,223,.25)}
.nav-tabs{display:flex;align-items:center;gap:6px;flex:1}
.nav-tab{padding:8px 14px;border:1px solid transparent;border-radius:999px;color:var(--muted);font-size:14px;transition:.2s ease}
.nav-tab:hover,.nav-tab:focus-visible{color:var(--blue);border-color:#cfe0f8;background:#f6faff;outline:none}
.nav-tab.active{color:var(--blue-dark);background:var(--blue-soft);font-weight:700}
.nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:12px;background:var(--blue);color:#fff;font-weight:700;box-shadow:0 9px 20px rgba(36,116,223,.2);transition:.2s ease}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(36,116,223,.28)}
.nav-cta:focus-visible,.btn-primary:focus-visible,.btn-secondary:focus-visible,.filter-chip:focus-visible,.close-bar:focus-visible,.footer-col a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(61,187,208,.45);outline-offset:3px}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border:1px solid #cbd9e9;color:var(--blue-dark);border-radius:12px;background:#fff;font-weight:700;transition:.2s}
.btn-secondary:hover{background:var(--blue-soft);border-color:#9ec3f3;transform:translateY(-2px)}
.page-intro{padding:72px 0 48px;background:linear-gradient(110deg,#fff 0%,#f8fbff 72%,#edf6ff 100%);border-bottom:1px solid #edf3f9}
.intro-row{display:flex;align-items:end;justify-content:space-between;gap:40px}
.eyebrow,.section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:18px}
.breadcrumb a{color:var(--blue-dark)}
.page-intro h1{font-size:clamp(32px,4vw,54px);line-height:1.18;letter-spacing:-.05em;margin:10px 0 16px}
.intro-copy{max-width:670px;color:var(--muted);font-size:17px;margin:0}
.intro-note{min-width:220px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}
.intro-note strong{display:block;font-size:25px;color:var(--blue-dark);line-height:1.2}
.intro-note span{display:block;font-size:13px;color:var(--muted);margin-top:5px}
.index-section{padding:64px 0 92px;background:var(--wash)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}
.toolbar-title{font-size:21px;font-weight:800}
.filter-row{display:flex;gap:8px;flex-wrap:wrap}
.filter-chip{min-height:38px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font-size:13px;transition:.2s}
.filter-chip:hover{color:var(--blue-dark);border-color:#9fc6f4;background:#f8fbff}
.filter-chip.active{color:var(--blue-dark);background:var(--blue-soft);border-color:#b9d5f7;font-weight:700}
.index-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:22px;align-items:start}
.side-index{padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);position:sticky;top:98px}
.side-index h2{font-size:17px;margin:0 0 16px}
.side-links{display:grid;gap:7px}
.side-link{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:10px;color:var(--muted);font-size:14px;transition:.2s}
.side-link:hover,.side-link.current{color:var(--blue-dark);background:var(--blue-soft)}
.side-link span{font-size:12px;color:#95a5b7}
.content-stream{display:grid;gap:15px}
.feature-entry{display:grid;grid-template-columns:1.2fr .8fr;min-height:255px;background:var(--blue);border-radius:var(--radius-lg);overflow:hidden;color:#fff;box-shadow:var(--shadow)}
.feature-text{padding:31px}
.feature-text .tag{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#fff}
.feature-text h2{font-size:28px;line-height:1.3;margin:20px 0 10px}
.feature-text p{color:#dcecff;font-size:14px;max-width:520px;margin:0}
.feature-link{display:inline-flex;margin-top:22px;color:#fff;font-weight:700;border-bottom:1px solid rgba(255,255,255,.6);padding-bottom:3px}
.feature-art{position:relative;background:#1a62bd;min-height:210px;overflow:hidden}
.feature-art:before,.feature-art:after{content:"";position:absolute;border:30px solid rgba(255,255,255,.12);border-radius:50%}
.feature-art:before{width:220px;height:220px;right:-45px;top:28px}
.feature-art:after{width:125px;height:125px;left:35px;bottom:-45px;border-color:rgba(61,187,208,.42)}
.art-label{position:absolute;z-index:1;left:28px;top:28px;padding:8px 11px;border-radius:9px;background:rgba(255,255,255,.14);font-size:12px}
.stream-item{display:grid;grid-template-columns:110px minmax(0,1fr) auto;align-items:center;gap:20px;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:.2s}
.stream-item:hover{transform:translateY(-3px);border-color:#9fc6f4;box-shadow:var(--shadow)}
.thumb{height:76px;border-radius:11px;background:linear-gradient(135deg,#e4f0ff,#d4f1f2);display:grid;place-items:center;color:var(--blue-dark);font-weight:800;font-size:20px}
.item-meta{display:flex;gap:9px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:12px}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:#fff;border:1px solid #d5e3f3;color:var(--blue-dark);font-size:12px}
.stream-item h3{font-size:18px;line-height:1.4;margin:7px 0 5px}
.stream-item p{font-size:13px;color:var(--muted);margin:0}
.read-link{color:var(--blue);font-size:13px;font-weight:700;white-space:nowrap}
.info-section{padding:86px 0}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.info-panel{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}
.info-panel h2{font-size:25px;line-height:1.3;margin:0 0 18px}
.info-panel p{color:var(--muted);font-size:14px}
.step-list{display:grid;gap:0}
.step{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step-num{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--blue-soft);color:var(--blue-dark);font-weight:800}
.step h3{font-size:16px;margin:0 0 4px}
.step p{font-size:13px;margin:0}
.faq-section{padding:0 0 88px}
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.faq-layout h2{font-size:32px;line-height:1.25;margin:8px 0 14px}
.faq-layout>div>p{color:var(--muted);font-size:15px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;padding:19px 0;background:transparent;color:var(--ink);display:flex;justify-content:space-between;align-items:center;text-align:left;font-weight:700}
.faq-question span:last-child{color:var(--blue);font-size:22px;transition:.2s}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 38px 18px 0}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.bottom-cta{padding:48px 0;background:#eef6ff;border-top:1px solid #dceafa}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-box h2{font-size:28px;margin:0 0 6px}
.cta-box p{margin:0;color:var(--muted);font-size:14px}
.site-footer{padding:54px 0 30px;background:#12243d;color:#d9e5f3}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:50px}
.footer-brand .brand{color:#fff}
.footer-brand p{max-width:350px;color:#9fb1c7;font-size:13px;margin:17px 0 0}
.footer-col{display:grid;align-content:start;gap:9px}
.footer-col h3{color:#fff;font-size:14px;margin:0 0 8px}
.footer-col a{color:#aebed0;font-size:13px;transition:.2s}
.footer-col a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:21px;color:#91a5bc;font-size:12px}
.bottom-bar{position:fixed;z-index:30;left:0;right:0;bottom:0;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(31,73,125,.10);padding:13px 0}
.bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.bottom-inner p{margin:0;color:var(--ink);font-size:14px;font-weight:700}
.close-bar{width:32px;height:32px;border-radius:8px;background:#f1f5fa;color:var(--muted);font-size:19px;line-height:1}
body{padding-bottom:74px}
@media (max-width:1024px){
 .nav-wrap{gap:18px}
 .index-layout{grid-template-columns:225px minmax(0,1fr)}
 .feature-entry{grid-template-columns:1fr .65fr}
 .intro-row{align-items:start}
}
@media (max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .nav-wrap{min-height:68px;gap:13px}
 .brand{font-size:15px}
 .brand-mark{width:31px;height:31px;font-size:14px}
 .nav-tabs{overflow-x:auto;scrollbar-width:none}
 .nav-tabs::-webkit-scrollbar{display:none}
 .nav-tab{padding:7px 11px;font-size:13px;white-space:nowrap}
 .nav-cta{padding:0 13px;min-height:40px;font-size:13px;white-space:nowrap}
 .page-intro{padding:49px 0 38px}
 .intro-row{display:block}
 .intro-copy{font-size:15px}
 .intro-note{margin-top:25px;display:inline-block;min-width:190px}
 .index-section{padding:45px 0 65px}
 .toolbar{display:block}
 .filter-row{margin-top:16px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px}
 .filter-chip{white-space:nowrap}
 .index-layout{display:block}
 .side-index{position:static;margin-bottom:18px}
 .side-links{display:flex;overflow-x:auto;gap:7px}
 .side-link{white-space:nowrap;border:1px solid var(--line)}
 .feature-entry{display:block}
 .feature-art{min-height:120px}
 .stream-item{grid-template-columns:72px minmax(0,1fr);gap:14px;padding:16px}
 .thumb{height:64px}
 .read-link{grid-column:2}
 .info-section{padding:62px 0}
 .info-grid,.faq-layout{grid-template-columns:1fr;gap:22px}
 .faq-layout h2{font-size:28px}
 .bottom-inner p{font-size:12px}
 .bottom-bar{padding:10px 0}
}
@media (max-width:520px){
 .nav-cta{display:none}
 .page-intro h1{font-size:34px}
 .feature-text{padding:24px}
 .feature-text h2{font-size:24px}
 .stream-item h3{font-size:16px}
 .stream-item p{display:none}
 .cta-box{display:block}
 .cta-box .btn-primary{margin-top:18px;width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-brand{grid-column:1/-1}
 .copyright{margin-top:30px}
 .bottom-inner{gap:8px}
 .bottom-inner .btn-primary{padding:0 14px;min-height:40px;font-size:13px}
}