/* roulang page: index */
:root {
      --ink: #193b36;
      --ink-deep: #102d2a;
      --teal: #2d7168;
      --teal-soft: #e3f0ec;
      --orange: #dd805a;
      --orange-soft: #fff0e8;
      --paper: #fbfaf7;
      --cream: #f3f0e9;
      --white: #ffffff;
      --text: #20332f;
      --muted: #71807b;
      --line: #dce5df;
      --shadow: 0 18px 45px rgba(24, 59, 54, .08);
      --shadow-hover: 0 24px 55px rgba(24, 59, 54, .14);
      --radius: 16px;
      --container: 1180px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background: var(--paper);
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, textarea { font: inherit; }
    button { cursor: pointer; }
    .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
    .notice-bar {
      min-height: 36px;
      display: flex;
      align-items: center;
      background: var(--orange-soft);
      color: #92513c;
      font-size: 13px;
      letter-spacing: .02em;
    }
    .notice-inner { display: flex; align-items: center; gap: 10px; }
    .notice-dot {
      width: 7px; height: 7px; border-radius: 50%;
      background: var(--orange);
      box-shadow: 0 0 0 4px rgba(221,128,90,.12);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(251,250,247,.94);
      border-bottom: 1px solid rgba(220,229,223,.85);
      backdrop-filter: blur(12px);
    }
    .nav-wrap { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
    .brand { display: inline-flex; align-items: center; gap: 12px; min-width: 260px; }
    .brand-mark {
      width: 42px; height: 42px; border: 2px solid var(--teal);
      border-radius: 12px 12px 12px 4px;
      display: grid; place-items: center;
      color: var(--teal); font-weight: 900; font-size: 18px;
      transform: rotate(-4deg);
    }
    .brand-copy { line-height: 1.25; }
    .brand-name { color: var(--ink-deep); font-size: 18px; font-weight: 800; letter-spacing: -.02em; }
    .brand-note { margin-top: 4px; color: var(--muted); font-size: 11px; letter-spacing: .08em; }
    .nav { display: flex; align-items: center; gap: 8px; }
    .nav a {
      position: relative; padding: 10px 15px; border-radius: 9px;
      color: #536660; font-size: 14px; transition: .25s ease;
    }
    .nav a:hover, .nav a:focus-visible { color: var(--ink); background: var(--teal-soft); outline: none; }
    .nav a.active { color: var(--ink); font-weight: 800; }
    .nav a.active::after {
      content: ""; position: absolute; left: 15px; right: 15px; bottom: 3px;
      height: 2px; background: var(--orange); border-radius: 2px;
    }
    .menu-toggle {
      display: none; border: 1px solid var(--line); background: var(--white);
      color: var(--ink); border-radius: 9px; width: 43px; height: 40px;
    }

    .hero { padding: 86px 0 74px; overflow: hidden; }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(390px, .98fr); gap: 80px; align-items: center; }
    .eyebrow, .section-kicker {
      display: inline-flex; align-items: center; gap: 9px;
      color: var(--teal); font-size: 13px; font-weight: 800; letter-spacing: .08em;
    }
    .eyebrow::before, .section-kicker::before { content: ""; width: 25px; height: 2px; background: var(--orange); }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      max-width: 690px; margin: 18px 0 22px; color: var(--ink-deep);
      font-size: clamp(38px, 5vw, 60px); line-height: 1.2; letter-spacing: -.055em;
    }
    .hero-lead { max-width: 580px; margin-bottom: 30px; color: var(--muted); font-size: 17px; line-height: 1.9; }
    .actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .btn {
      min-height: 48px; display: inline-flex; align-items: center; justify-content: center;
      padding: 0 21px; border: 1px solid transparent; border-radius: 10px;
      font-size: 14px; font-weight: 800; transition: .25s ease;
    }
    .btn-primary { background: var(--ink); color: var(--white); box-shadow: 0 8px 18px rgba(25,59,54,.15); }
    .btn-primary:hover, .btn-primary:focus-visible { background: var(--ink-deep); transform: translateY(-2px); outline: 3px solid rgba(45,113,104,.2); }
    .btn-secondary { background: var(--white); border-color: var(--line); color: var(--ink); }
    .btn-secondary:hover, .btn-secondary:focus-visible { background: var(--teal-soft); border-color: var(--teal); outline: none; }
    .hero-footnote { margin: 22px 0 0; color: var(--muted); font-size: 12px; }

    .visual-board {
      position: relative; min-height: 420px; padding: 28px;
      background: var(--cream); border: 1px solid var(--line);
      border-radius: 28px 28px 8px 28px; box-shadow: var(--shadow);
      overflow: hidden;
    }
    .visual-board::before {
      content: ""; position: absolute; width: 300px; height: 300px; right: -80px; top: -100px;
      border: 1px solid #c7d9d1; border-radius: 50%;
      box-shadow: 0 0 0 28px rgba(199,217,209,.34), 0 0 0 58px rgba(199,217,209,.18);
    }
    .board-top { display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 1; }
    .board-title { color: var(--ink); font-weight: 800; font-size: 14px; }
    .board-status { color: var(--teal); font-size: 12px; }
    .map-area {
      position: relative; height: 240px; margin: 26px 0;
      background: #dcebe5; border-radius: 16px; overflow: hidden;
    }
    .map-area::before, .map-area::after {
      content: ""; position: absolute; border: 1px solid rgba(45,113,104,.22); transform: rotate(25deg);
    }
    .map-area::before { width: 470px; height: 140px; top: 50px; left: -60px; border-radius: 50%; }
    .map-area::after { width: 330px; height: 110px; top: 105px; left: 110px; border-radius: 50%; transform: rotate(-18deg); }
    .route { position: absolute; left: 14%; top: 55%; width: 66%; height: 2px; background: var(--orange); transform: rotate(-20deg); z-index: 2; }
    .route::before, .route::after { content: ""; position: absolute; width: 10px; height: 10px; background: var(--orange); border: 3px solid #f7e1d7; border-radius: 50%; top: -4px; }
    .route::after { right: 0; }
    .marker { position: absolute; z-index: 3; width: 13px; height: 13px; border: 3px solid var(--white); background: var(--teal); border-radius: 50%; box-shadow: 0 3px 8px rgba(25,59,54,.2); }
    .marker.one { left: 27%; top: 32%; }.marker.two { right: 21%; bottom: 25%; }.marker.three { left: 51%; top: 67%; background: var(--orange); }
    .board-cards { display: grid; grid-template-columns: 1.2fr .8fr; gap: 12px; position: relative; z-index: 2; }
    .mini-card { padding: 14px; background: rgba(255,255,255,.86); border: 1px solid rgba(220,229,223,.9); border-radius: 12px; }
    .mini-card strong { display: block; margin-bottom: 4px; color: var(--ink); font-size: 14px; }
    .mini-card span { color: var(--muted); font-size: 12px; }

    .stats-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .stats { display: grid; grid-template-columns: repeat(4, 1fr); }
    .stat { padding: 24px 20px; border-right: 1px solid var(--line); }
    .stat:last-child { border-right: 0; }
    .stat strong { display: block; color: var(--ink); font-size: 20px; }
    .stat span { color: var(--muted); font-size: 13px; }

    .section { padding: 100px 0; }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 32px; }
    .section-title { margin: 12px 0 0; color: var(--ink-deep); font-size: 34px; line-height: 1.3; letter-spacing: -.04em; }
    .section-desc { max-width: 430px; margin: 0; color: var(--muted); font-size: 14px; }
    .news-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; }
    .featured-news {
      display: flex; flex-direction: column; justify-content: end; min-height: 380px;
      padding: 28px; border-radius: var(--radius); background: var(--ink); color: white;
      position: relative; overflow: hidden;
    }
    .featured-news::before {
      content: ""; position: absolute; width: 370px; height: 370px; right: -100px; top: -130px;
      border: 1px solid rgba(255,255,255,.2); border-radius: 50%;
      box-shadow: 0 0 0 32px rgba(255,255,255,.06), 0 0 0 72px rgba(255,255,255,.04);
    }
    .featured-news > * { position: relative; z-index: 1; }
    .tag { display: inline-flex; width: fit-content; padding: 4px 9px; border-radius: 6px; background: var(--teal-soft); color: var(--teal); font-size: 12px; font-weight: 800; }
    .tag.orange { background: var(--orange-soft); color: #a35e46; }
    .featured-news h3 { max-width: 500px; margin: 18px 0 12px; font-size: 28px; line-height: 1.4; }
    .featured-news p { max-width: 500px; margin-bottom: 20px; color: #c7d8d2; font-size: 14px; }
    .news-meta { display: flex; gap: 15px; color: #aac2ba; font-size: 12px; }
    .read-link { display: inline-flex; margin-top: 18px; color: #f4c0a8; font-size: 13px; font-weight: 800; }
    .news-list { border-top: 1px solid var(--line); }
    .news-item { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 20px 0; border-bottom: 1px solid var(--line); }
    .news-number { color: var(--orange); font-size: 13px; font-weight: 900; }
    .news-item h3 { margin: 0 0 5px; color: var(--ink); font-size: 17px; line-height: 1.5; }
    .news-item p { margin: 0 0 8px; color: var(--muted); font-size: 13px; line-height: 1.7; }
    .news-item time { color: #9aa7a3; font-size: 12px; }

    .topics { background: var(--cream); }
    .topic-grid { display: grid; grid-template-columns: 1.1fr .9fr 1fr; gap: 16px; }
    .topic-card { min-height: 220px; padding: 25px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); transition: .25s ease; }
    .topic-card:hover { border-color: #a8c8bd; box-shadow: var(--shadow); transform: translateY(-3px); }
    .topic-icon { width: 38px; height: 38px; display: grid; place-items: center; background: var(--teal-soft); color: var(--teal); border-radius: 9px; font-weight: 900; }
    .topic-card h3 { margin: 22px 0 8px; color: var(--ink); font-size: 20px; }
    .topic-card p { min-height: 58px; margin-bottom: 15px; color: var(--muted); font-size: 14px; line-height: 1.7; }
    .topic-card a { color: var(--teal); font-size: 13px; font-weight: 800; }

    .download-panel { display: grid; grid-template-columns: 1fr .75fr; gap: 55px; align-items: center; padding: 50px; background: #e7f1ed; border-radius: 24px; border: 1px solid #cfe0d8; }
    .download-panel h2 { margin: 13px 0 14px; color: var(--ink-deep); font-size: 34px; line-height: 1.35; }
    .download-panel p { max-width: 540px; color: #63766f; font-size: 15px; }
    .device-info { display: flex; gap: 18px; margin: 24px 0; }
    .device-info div { padding-right: 18px; border-right: 1px solid #c3d7ce; }
    .device-info div:last-child { border: 0; }
    .device-info strong { display: block; color: var(--ink); font-size: 15px; }
    .device-info span { color: var(--muted); font-size: 12px; }
    .device-visual { justify-self: center; width: 190px; height: 315px; padding: 11px; background: var(--ink-deep); border-radius: 27px; box-shadow: 18px 18px 0 rgba(45,113,104,.12); transform: rotate(4deg); }
    .device-screen { height: 100%; padding: 20px 14px; background: #f8f6ef; border-radius: 19px; }
    .screen-notch { width: 52px; height: 5px; margin: -9px auto 27px; background: var(--ink-deep); border-radius: 5px; }
    .screen-line { height: 9px; margin: 12px 0; background: #d4e5dd; border-radius: 4px; }
    .screen-line.short { width: 58%; }.screen-block { height: 88px; margin-top: 20px; background: var(--teal-soft); border-radius: 10px; position: relative; }
    .screen-block::after { content: ""; position: absolute; left: 18px; right: 30px; bottom: 18px; height: 3px; background: var(--orange); transform: rotate(-15deg); }

    .trust-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: start; }
    .trust-layout h2 { margin: 12px 0; color: var(--ink-deep); font-size: 34px; line-height: 1.35; }
    .trust-layout > div > p { color: var(--muted); font-size: 15px; }
    .standards { border-top: 1px solid var(--line); }
    .standard { display: grid; grid-template-columns: 42px 1fr; gap: 18px; padding: 21px 0; border-bottom: 1px solid var(--line); }
    .standard-index { color: var(--orange); font-weight: 900; font-size: 13px; }
    .standard h3 { margin: 0 0 3px; color: var(--ink); font-size: 17px; }
    .standard p { margin: 0; color: var(--muted); font-size: 14px; }

    .faq-section { background: var(--cream); }
    .faq-wrap { max-width: 850px; margin: 0 auto; }
    .faq-wrap .section-head { display: block; text-align: center; }
    .faq-wrap .section-desc { max-width: 620px; margin: 12px auto 0; }
    .faq { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question { width: 100%; display: flex; justify-content: space-between; gap: 20px; padding: 21px 0; border: 0; background: transparent; color: var(--ink); text-align: left; font-size: 16px; font-weight: 800; }
    .faq-question::after { content: "+"; color: var(--orange); font-size: 22px; line-height: 1; transition: .2s; }
    .faq-item.open .faq-question::after { content: "−"; }
    .faq-answer { display: none; max-width: 760px; padding: 0 45px 20px 0; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }

    .continue { padding: 70px 0; }
    .continue-box { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 32px 38px; background: var(--ink); color: white; border-radius: 18px; }
    .continue-box h2 { margin: 0 0 5px; font-size: 25px; }
    .continue-box p { margin: 0; color: #bfd1ca; font-size: 14px; }
    .continue-links { display: flex; flex-wrap: wrap; gap: 9px; }
    .continue-links a { padding: 10px 14px; border: 1px solid rgba(255,255,255,.23); border-radius: 8px; color: #eef7f3; font-size: 13px; transition: .2s; }
    .continue-links a:hover, .continue-links a:focus-visible { background: rgba(255,255,255,.12); outline: none; }

    .site-footer { padding: 52px 0 26px; background: #102d2a; color: #dce9e3; }
    .footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 55px; padding-bottom: 40px; }
    .footer-brand .brand-name { color: white; }
    .footer-brand .brand-note, .footer-copy, .footer-links a { color: #91aaa1; }
    .footer-brand p { max-width: 330px; margin: 18px 0 0; color: #91aaa1; font-size: 13px; }
    .footer-title { margin: 4px 0 15px; color: white; font-size: 14px; }
    .footer-links { display: grid; gap: 8px; font-size: 13px; }
    .footer-links a:hover, .footer-links a:focus-visible { color: #f2b094; outline: none; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; }

    @media (max-width: 992px) {
      .hero-grid { gap: 40px; }
      .topic-grid { grid-template-columns: 1fr 1fr; }
      .topic-card:last-child { grid-column: span 2; }
      .download-panel { gap: 30px; padding: 38px; }
    }
    @media (max-width: 768px) {
      .container { width: min(var(--container), calc(100% - 36px)); }
      .nav-wrap { height: 70px; }
      .brand { min-width: 0; }
      .brand-name { font-size: 16px; }
      .brand-note { display: none; }
      .menu-toggle { display: block; }
      .nav { display: none; position: absolute; top: 70px; left: 0; right: 0; padding: 10px 18px 18px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
      .nav.open { display: grid; }
      .nav a { padding: 12px 14px; }
      .nav a.active::after { left: 14px; right: auto; width: 25px; bottom: 5px; }
      .hero { padding: 60px 0 52px; }
      .hero-grid, .news-layout, .download-panel, .trust-layout { grid-template-columns: 1fr; }
      .visual-board { min-height: 360px; }
      .section { padding: 70px 0; }
      .section-head { display: block; }
      .section-desc { margin-top: 12px; }
      .stats { grid-template-columns: 1fr 1fr; }
      .stat:nth-child(2) { border-right: 0; }.stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .topic-card:last-child { grid-column: auto; }
      .download-panel { padding: 30px 24px; }
      .device-visual { margin-top: 8px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 35px; }
      .footer-brand { grid-column: span 2; }
      .continue-box { display: block; padding: 28px 24px; }
      .continue-links { margin-top: 20px; }
    }
    @media (max-width: 520px) {
      h1 { font-size: 34px; }
      .hero-lead { font-size: 15px; }
      .actions { display: grid; grid-template-columns: 1fr; }
      .btn { width: 100%; }
      .visual-board { min-height: 330px; padding: 20px; }
      .map-area { height: 185px; }
      .board-cards { grid-template-columns: 1fr; }
      .board-cards .mini-card:last-child { display: none; }
      .section-title, .download-panel h2, .trust-layout h2 { font-size: 28px; }
      .topic-grid { grid-template-columns: 1fr; }
      .device-visual { width: 166px; height: 278px; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-brand { grid-column: auto; }
      .footer-bottom { display: block; }
      .footer-bottom span { display: block; margin-top: 7px; }
    }

/* roulang page: category1 */
:root{--ink:#193b36;--ink-deep:#102d2a;--teal:#2d7168;--teal-soft:#e3f0ec;--orange:#dd805a;--orange-soft:#fff0e8;--paper:#fbfaf7;--cream:#f3f0e9;--white:#fff;--text:#20332f;--muted:#71807b;--line:#dce5df;--shadow:0 18px 45px rgba(24,59,54,.08);--shadow-hover:0 24px 55px rgba(24,59,54,.14);--radius:16px;--container:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-notice{height:36px;background:var(--orange-soft);color:#8e5c49;font-size:12px;display:flex;align-items:center}.notice-inner{display:flex;justify-content:space-between;gap:20px}.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.95);border-bottom:1px solid rgba(220,229,223,.85);backdrop-filter:blur(12px)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:inline-flex;align-items:center;gap:12px;min-width:260px}.brand-mark{width:42px;height:42px;border:2px solid var(--teal);border-radius:12px 12px 12px 4px;display:grid;place-items:center;color:var(--teal);font-weight:900;font-size:18px;transform:rotate(-4deg)}.brand-copy{line-height:1.25}.brand-name{color:var(--ink-deep);font-size:18px;font-weight:800;letter-spacing:-.02em}.brand-note{display:block;margin-top:4px;color:var(--muted);font-size:11px;letter-spacing:.08em}.nav{display:flex;align-items:center;gap:8px}.nav a{position:relative;padding:10px 15px;border-radius:9px;color:#536660;font-size:14px;transition:.25s}.nav a:hover,.nav a:focus-visible{color:var(--ink);background:var(--teal-soft);outline:none}.nav a.active{color:var(--ink);font-weight:800}.nav a.active:after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;background:var(--orange);border-radius:2px}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:9px;width:43px;height:40px}
.page-hero{padding:72px 0 62px;background:var(--cream);border-bottom:1px solid var(--line)}.crumbs{margin-bottom:25px;color:var(--muted);font-size:13px}.crumbs a:hover{color:var(--teal)}.page-hero-grid{display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:end}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before,.section-kicker:before{content:"";width:25px;height:2px;background:var(--orange)}h1{margin:16px 0 18px;color:var(--ink-deep);font-size:48px;line-height:1.25;letter-spacing:-.05em}h2{margin:12px 0;color:var(--ink-deep);font-size:32px;line-height:1.35;letter-spacing:-.04em}h3{color:var(--ink);line-height:1.45}.hero-desc{max-width:690px;margin:0;color:var(--muted);font-size:17px}.update-box{padding:24px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.update-box strong{display:block;color:var(--ink);font-size:15px}.update-box span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
.section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-desc{max-width:440px;margin:0;color:var(--muted);font-size:14px}.tag{display:inline-flex;width:max-content;padding:4px 10px;border-radius:6px;background:var(--teal-soft);color:var(--teal);font-size:12px;font-weight:800}.tag.orange{background:var(--orange-soft);color:#a35e46}
.featured{display:grid;grid-template-columns:1.1fr .9fr;min-height:310px;background:var(--ink);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.feature-copy{padding:36px;color:#fff}.feature-copy h2{max-width:570px;margin:22px 0 13px;color:#fff;font-size:29px}.feature-copy p{max-width:560px;color:#c7d8d2;font-size:14px}.meta{display:flex;gap:18px;color:#aac2ba;font-size:12px;margin-top:22px}.feature-art{position:relative;min-height:280px;background:#dcebe5;overflow:hidden}.feature-art:before,.feature-art:after{content:"";position:absolute;border:1px solid rgba(45,113,104,.3);border-radius:50%;transform:rotate(24deg)}.feature-art:before{width:520px;height:190px;left:-90px;top:56px}.feature-art:after{width:300px;height:350px;left:145px;top:-30px;transform:rotate(-28deg)}.art-label{position:absolute;z-index:2;left:34px;top:36px;padding:14px 18px;background:rgba(255,255,255,.84);border:1px solid rgba(255,255,255,.7);border-radius:10px;color:var(--ink);font-weight:800}.art-dot{position:absolute;z-index:2;width:14px;height:14px;background:var(--orange);border:4px solid #fff;border-radius:50%;left:62%;top:52%}
.news-section{background:var(--paper)}.news-layout{display:grid;grid-template-columns:1fr 390px;gap:65px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:48px 1fr auto;gap:16px;align-items:start;padding:23px 0;border-bottom:1px solid var(--line);transition:.25s}.news-item:hover{padding-left:8px;border-color:var(--teal)}.news-number{color:var(--orange);font-size:14px;font-weight:800}.news-item h3{margin:5px 0 6px;font-size:18px}.news-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.news-date{color:var(--muted);font-size:12px;white-space:nowrap;padding-top:6px}.side-panel{padding:26px;background:var(--white);border:1px solid var(--line);border-radius:14px}.side-panel+.side-panel{margin-top:18px}.side-panel h3{margin:0 0 16px;font-size:18px}.side-links a{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}.side-links a:last-child{border-bottom:0}.side-links a:hover{color:var(--teal)}.side-note{color:var(--muted);font-size:13px;margin:0}
.topic-strip{padding:78px 0;background:var(--teal-soft)}.topic-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;border-top:1px solid rgba(45,113,104,.3)}.topic{padding:25px 28px 20px 0;border-bottom:1px solid rgba(45,113,104,.3)}.topic:not(:last-child){border-right:1px solid rgba(45,113,104,.3);padding-right:30px}.topic:not(:first-child){padding-left:30px}.topic h3{margin:10px 0 7px;font-size:19px}.topic p{margin:0;color:#58716b;font-size:13px}
.cta{padding:72px 0}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:35px 40px;background:var(--orange-soft);border:1px solid #f0d8ca;border-radius:var(--radius)}.cta-box h2{font-size:27px;margin:0 0 8px}.cta-box p{margin:0;color:#856a5d;font-size:14px}.btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:0 21px;border:1px solid transparent;border-radius:10px;font-size:14px;font-weight:800;transition:.25s}.btn-primary{background:var(--ink);color:#fff;box-shadow:0 8px 18px rgba(25,59,54,.15)}.btn-primary:hover,.btn-primary:focus-visible{background:var(--ink-deep);transform:translateY(-2px);outline:3px solid rgba(45,113,104,.2)}.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}.btn-secondary:hover,.btn-secondary:focus-visible{background:var(--teal-soft);border-color:var(--teal);outline:none}.btn-small{min-height:38px;padding:0 14px;font-size:12px}
.faq{padding:85px 0;background:var(--cream)}.faq-list{max-width:820px;margin:30px auto 0;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;list-style:none;color:var(--ink);font-weight:800;font-size:16px;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"＋";color:var(--orange);font-size:20px;line-height:1}details[open] summary:after{content:"−"}details p{margin:13px 30px 0 0;color:var(--muted);font-size:14px}
.site-footer{padding:58px 0 25px;background:var(--ink-deep);color:#c7d8d2}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:50px}.footer-brand .brand-name{color:#fff}.footer-brand .brand-note{color:#9bb7ae}.footer-brand p{max-width:360px;margin:20px 0 0;color:#9bb7ae;font-size:13px}.footer-title{margin:4px 0 15px;color:#fff;font-size:15px}.footer-links{display:grid;gap:8px}.footer-links a{color:#9bb7ae;font-size:13px;transition:.2s}.footer-links a:hover{color:#fff;padding-left:3px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:45px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13)}.footer-copy{color:#78958c;font-size:12px}
@media(max-width:992px){.page-hero-grid{grid-template-columns:1fr 300px;gap:35px}.news-layout{gap:35px}.hero-desc{font-size:16px}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 36px))}.notice-inner span:last-child{display:none}.nav-wrap{height:68px}.brand{min-width:0}.brand-name{font-size:16px}.nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 18px 18px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.menu-toggle{display:block}.page-hero{padding:52px 0 45px}.page-hero-grid,.featured,.news-layout{grid-template-columns:1fr}.update-box{margin-top:20px}h1{font-size:36px}.section{padding:65px 0}.section-head{display:block}.section-desc{margin-top:13px}.feature-art{min-height:210px}.topic-grid{grid-template-columns:1fr}.topic,.topic:not(:first-child),.topic:not(:last-child){padding:22px 0;border-right:0}.cta-box{display:block;padding:28px}.cta-box .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-copy{display:block;margin-top:6px}}
@media(max-width:520px){.container{width:calc(100% - 32px)}.site-notice{font-size:11px}.brand-mark{width:37px;height:37px}.brand-note{font-size:9px}.page-hero-grid{display:block}h1{font-size:31px}.hero-desc{font-size:15px}.section-title,h2{font-size:27px}.featured{min-height:0}.feature-copy{padding:26px 22px}.feature-copy h2{font-size:24px}.feature-art{min-height:175px}.news-item{grid-template-columns:35px 1fr}.news-date{grid-column:2}.topic-strip{padding:58px 0}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.btn{width:100%}}

/* roulang page: category2 */
:root {
            --ink:#193b36;
            --ink-deep:#102d2a;
            --teal:#2d7168;
            --teal-soft:#e3f0ec;
            --orange:#dd805a;
            --orange-soft:#fff0e8;
            --paper:#fbfaf7;
            --cream:#f3f0e9;
            --white:#fff;
            --text:#20332f;
            --muted:#71807b;
            --line:#dce5df;
            --shadow:0 18px 45px rgba(24,59,54,.08);
            --shadow-hover:0 24px 55px rgba(24,59,54,.14);
            --radius:16px;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--text);background:var(--paper);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input,textarea{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .notice-bar{height:36px;background:var(--orange-soft);color:#8a5a48;font-size:12px;display:flex;align-items:center}
        .notice-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
        .notice-inner strong{color:#a35e46}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.95);border-bottom:1px solid rgba(220,229,223,.85);backdrop-filter:blur(12px)}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:12px;min-width:260px}
        .brand-mark{width:42px;height:42px;border:2px solid var(--teal);border-radius:12px 12px 12px 4px;display:grid;place-items:center;color:var(--teal);font-weight:900;font-size:18px;transform:rotate(-4deg)}
        .brand-copy{line-height:1.25}
        .brand-name{color:var(--ink-deep);font-size:18px;font-weight:800;letter-spacing:-.02em}
        .brand-note{display:block;margin-top:4px;color:var(--muted);font-size:11px;letter-spacing:.08em}
        .nav{display:flex;align-items:center;gap:8px}
        .nav a{position:relative;padding:10px 15px;border-radius:9px;color:#536660;font-size:14px;transition:.25s ease}
        .nav a:hover,.nav a:focus-visible{color:var(--ink);background:var(--teal-soft);outline:none}
        .nav a.active{color:var(--ink);font-weight:800}
        .nav a.active::after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;background:var(--orange);border-radius:2px}
        .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:9px;width:43px;height:40px}
        .page-hero{padding:76px 0 66px;background:var(--cream);border-bottom:1px solid var(--line)}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before,.section-kicker:before{content:"";width:25px;height:2px;background:var(--orange)}
        h1,h2,h3{color:var(--ink-deep);letter-spacing:-.04em}
        h1{max-width:760px;margin:17px 0 18px;font-size:52px;line-height:1.25}
        .hero-lead{max-width:680px;margin:0;color:var(--muted);font-size:17px;line-height:1.9}
        .breadcrumb{display:flex;align-items:center;gap:10px;margin-top:27px;color:var(--muted);font-size:13px}
        .breadcrumb a{color:var(--teal);font-weight:700}
        .breadcrumb span{color:#abb8b3}
        .section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
        .section-title{margin:12px 0 0;font-size:34px;line-height:1.3}
        .section-desc{max-width:470px;margin:0;color:var(--muted);font-size:14px}
        .topic-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px}
        .topic-nav a{padding:9px 16px;border:1px solid var(--line);border-radius:9px;color:var(--muted);background:var(--white);font-size:13px;transition:.25s}
        .topic-nav a:hover,.topic-nav a:focus-visible,.topic-nav a.active{border-color:var(--teal);background:var(--teal-soft);color:var(--ink);outline:none}
        .guide-feature{display:grid;grid-template-columns:1.18fr .82fr;gap:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow)}
        .feature-copy{padding:38px 42px}
        .tag{display:inline-flex;width:max-content;padding:4px 9px;border-radius:6px;background:var(--teal-soft);color:var(--teal);font-size:12px;font-weight:800}
        .tag.orange{background:var(--orange-soft);color:#a35e46}
        .feature-copy h2{margin:19px 0 13px;font-size:29px;line-height:1.4}
        .feature-copy p{margin:0 0 22px;color:var(--muted);font-size:15px}
        .meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--muted);font-size:12px}
        .feature-visual{position:relative;min-height:300px;padding:26px;background:#dcebe5;overflow:hidden}
        .feature-visual:before,.feature-visual:after{content:"";position:absolute;border:1px solid rgba(45,113,104,.25);border-radius:50%;transform:rotate(-18deg)}
        .feature-visual:before{width:420px;height:180px;top:52px;left:-70px}
        .feature-visual:after{width:320px;height:140px;top:126px;left:100px;transform:rotate(20deg)}
        .route-card{position:absolute;z-index:2;right:28px;top:32px;width:190px;padding:17px;border-radius:12px;background:rgba(255,255,255,.91);border:1px solid rgba(220,229,223,.9);box-shadow:0 12px 22px rgba(25,59,54,.1)}
        .route-card strong{display:block;color:var(--ink);font-size:14px}
        .route-card p{margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.6}
        .route-line{position:absolute;z-index:1;left:65px;top:92px;width:230px;height:92px;border-top:2px solid var(--orange);border-radius:50%;transform:rotate(17deg)}
        .route-dot{position:absolute;z-index:3;width:12px;height:12px;border:3px solid var(--white);border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(221,128,90,.22)}
        .dot-one{left:58px;top:88px}.dot-two{left:176px;top:144px}.dot-three{right:59px;top:185px}
        .guide-list{margin-top:45px;border-top:1px solid var(--line)}
        .guide-row{display:grid;grid-template-columns:70px 145px 1fr 110px;align-items:center;gap:22px;padding:23px 8px;border-bottom:1px solid var(--line);transition:.25s}
        .guide-row:hover{background:#f4f8f5;padding-left:16px;padding-right:16px}
        .guide-number{color:var(--orange);font-size:18px;font-weight:900}
        .guide-type{color:var(--teal);font-size:12px;font-weight:800}
        .guide-row h3{margin:0 0 5px;font-size:18px;letter-spacing:-.02em}
        .guide-row p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
        .guide-date{color:var(--muted);font-size:12px;font-weight:600}
        .read-link{display:inline-flex;justify-content:flex-end;color:var(--teal);font-size:13px;font-weight:800;transition:.2s}
        .read-link:hover{color:var(--orange);transform:translateX(3px)}
        .steps-panel{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:72px}
        .steps-card,.side-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
        .steps-card h2,.side-card h3{margin:10px 0 22px;font-size:24px}
        .step{display:grid;grid-template-columns:38px 1fr;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}
        .step:last-child{border-bottom:0}
        .step-num{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--orange-soft);color:#a35e46;font-size:13px;font-weight:900}
        .step strong{display:block;color:var(--ink);font-size:15px}
        .step p{margin:3px 0 0;color:var(--muted);font-size:13px;line-height:1.7}
        .side-stack{display:grid;gap:18px}
        .side-card{padding:24px}
        .side-card h3{font-size:19px;margin:0 0 15px}
        .side-links{display:grid;gap:0}
        .side-links a{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);color:var(--text);font-size:14px;transition:.2s}
        .side-links a:last-child{border-bottom:0}
        .side-links a:hover{color:var(--teal);padding-left:5px}
        .side-links span{color:var(--orange);font-weight:800}
        .faq-section{background:var(--cream)}
        .faq-wrap{max-width:860px;margin:0 auto}
        .faq-list{margin-top:30px;border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;border:0;background:transparent;color:var(--ink);text-align:left;font-weight:800;font-size:16px}
        .faq-question:after{content:"+";color:var(--orange);font-size:24px;font-weight:400;line-height:1;transition:.2s}
        .faq-question[aria-expanded="true"]:after{content:"−"}
        .faq-question:focus-visible{outline:3px solid rgba(45,113,104,.22);outline-offset:4px}
        .faq-answer{max-width:760px;padding:0 42px 20px 0;color:var(--muted);font-size:14px;line-height:1.9}
        .faq-answer[hidden]{display:none}
        .cta{padding:65px 0;background:var(--ink)}
        .cta-box{display:flex;align-items:center;justify-content:space-between;gap:35px}
        .cta h2{margin:0 0 10px;color:var(--white);font-size:30px}
        .cta p{margin:0;color:#c7d8d2;font-size:14px}
        .cta .btn-secondary{background:transparent;border-color:#759b91;color:var(--white)}
        .cta .btn-secondary:hover{background:rgba(255,255,255,.1);border-color:var(--white)}
        .site-footer{padding:58px 0 22px;background:#102d2a;color:#d9e7e1}
        .footer-grid{display:grid;grid-template-columns:1.5fr .7fr .9fr;gap:55px}
        .footer-brand .brand{min-width:0}
        .footer-brand .brand-name{color:var(--white)}
        .footer-brand .brand-note{color:#9eb9b0}
        .footer-brand p{max-width:330px;margin:22px 0 0;color:#a9c1b8;font-size:13px;line-height:1.8}
        .footer-title{margin:4px 0 16px;color:var(--white);font-size:14px}
        .footer-links{display:grid;gap:9px}
        .footer-links a{color:#a9c1b8;font-size:13px;transition:.2s}
        .footer-links a:hover,.footer-links a:focus-visible{color:var(--white);padding-left:3px;outline:none}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:45px;padding-top:18px;border-top:1px solid rgba(217,231,225,.17)}
        .footer-copy{color:#8da9a0;font-size:12px}
        @media(max-width:992px){
            .hero-grid{grid-template-columns:1fr;gap:40px}
            .guide-feature{grid-template-columns:1fr}
            .feature-visual{min-height:260px}
            .steps-panel{grid-template-columns:1fr}
            .footer-grid{gap:30px}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 36px))}
            .nav-wrap{height:70px}
            .brand{min-width:0}
            .brand-name{font-size:16px}
            .brand-note{font-size:10px}
            .menu-toggle{display:block}
            .nav{display:none;position:absolute;left:18px;right:18px;top:76px;flex-direction:column;align-items:stretch;gap:3px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
            .nav.open{display:flex}
            .nav a{padding:12px 14px}
            .nav a.active:after{left:14px;right:auto;width:25px;bottom:5px}
            .page-hero{padding:58px 0 48px}
            h1{font-size:37px}
            .section{padding:66px 0}
            .section-head{display:block}
            .section-desc{margin-top:15px}
            .feature-copy{padding:28px 24px}
            .feature-copy h2{font-size:25px}
            .guide-row{grid-template-columns:43px 1fr;gap:7px 13px;padding:19px 0}
            .guide-type{grid-column:2}
            .guide-row h3{grid-column:2}
            .guide-row p{grid-column:2}
            .guide-date{grid-column:2}
            .read-link{grid-column:2;justify-content:flex-start}
            .cta-box{display:block}
            .cta .btn{margin-top:24px}
            .footer-grid{grid-template-columns:1fr;gap:28px}
            .footer-bottom{display:block;margin-top:32px}
            .footer-copy{display:block;margin-top:7px}
        }
        @media(max-width:480px){
            .container{width:calc(100% - 32px)}
            .notice-inner span:last-child{display:none}
            h1{font-size:31px}
            .hero-lead{font-size:15px}
            .route-card{right:18px;width:170px}
            .feature-visual{min-height:230px}
            .cta h2{font-size:25px}
            .faq-question{font-size:15px}
        }

/* roulang page: category3 */
:root{
      --ink:#193b36;--ink-deep:#102d2a;--teal:#2d7168;--teal-soft:#e3f0ec;
      --orange:#dd805a;--orange-soft:#fff0e8;--paper:#fbfaf7;--cream:#f3f0e9;
      --white:#fff;--text:#20332f;--muted:#71807b;--line:#dce5df;
      --shadow:0 18px 45px rgba(24,59,54,.08);--shadow-hover:0 24px 55px rgba(24,59,54,.14);
      --radius:16px;--container:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
    button,input,textarea{font:inherit}button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .notice-bar{height:36px;background:var(--orange-soft);color:#875a49;font-size:12px;display:flex;align-items:center}
    .notice-bar .container{display:flex;justify-content:space-between;gap:20px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.95);border-bottom:1px solid rgba(220,229,223,.85);backdrop-filter:blur(12px)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .brand{display:inline-flex;align-items:center;gap:12px;min-width:260px}
    .brand-mark{width:42px;height:42px;border:2px solid var(--teal);border-radius:12px 12px 12px 4px;display:grid;place-items:center;color:var(--teal);font-weight:900;font-size:18px;transform:rotate(-4deg)}
    .brand-copy{line-height:1.25}.brand-name{color:var(--ink-deep);font-size:18px;font-weight:800;letter-spacing:-.02em}.brand-note{display:block;margin-top:4px;color:var(--muted);font-size:11px;letter-spacing:.08em}
    .nav{display:flex;align-items:center;gap:8px}.nav a{position:relative;padding:10px 15px;border-radius:9px;color:#536660;font-size:14px;transition:.25s ease}
    .nav a:hover,.nav a:focus-visible{color:var(--ink);background:var(--teal-soft);outline:none}.nav a.active{color:var(--ink);font-weight:800}
    .nav a.active:after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;background:var(--orange);border-radius:2px}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:9px;width:43px;height:40px}
    .page-hero{padding:76px 0 62px;background:var(--cream);border-bottom:1px solid var(--line)}
    .crumb{color:var(--muted);font-size:13px;margin-bottom:24px}.crumb a{color:var(--teal)}.crumb span{margin:0 8px;color:#a4b1ac}
    .page-hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:60px;align-items:end}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:25px;height:2px;background:var(--orange)}
    h1{margin:15px 0 18px;color:var(--ink-deep);font-size:clamp(34px,5vw,54px);line-height:1.25;letter-spacing:-.045em}
    .lead{max-width:690px;margin:0;color:var(--muted);font-size:17px;line-height:1.9}
    .update-box{padding:24px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
    .update-box small{display:block;color:var(--muted);font-size:12px;margin-bottom:7px}.update-box strong{display:block;color:var(--ink);font-size:19px}.update-box p{margin:8px 0 0;color:var(--muted);font-size:13px}
    .section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
    .section-title{margin:12px 0 0;color:var(--ink-deep);font-size:34px;line-height:1.3;letter-spacing:-.04em}.section-desc{max-width:470px;margin:0;color:var(--muted);font-size:14px}
    .download-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;padding:42px;border-radius:var(--radius);background:var(--ink);color:var(--white);box-shadow:var(--shadow)}
    .download-panel h2{margin:14px 0 15px;font-size:32px;line-height:1.35}.download-panel p{color:#c6d8d1;font-size:15px}
    .download-panel .section-kicker{color:#c7e2d9}.download-panel .section-kicker:before{background:var(--orange)}
    .btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:0 21px;border:1px solid transparent;border-radius:10px;font-size:14px;font-weight:800;transition:.25s ease}
    .btn-primary{background:var(--orange);color:#fff}.btn-primary:hover,.btn-primary:focus-visible{background:#c96b49;transform:translateY(-2px);outline:3px solid rgba(221,128,90,.25)}
    .btn-light{background:#fff;color:var(--ink)}.btn-light:hover{background:var(--teal-soft);color:var(--ink)}
    .device-stage{min-height:280px;display:grid;place-items:center;position:relative;background:#275b54;border-radius:14px;overflow:hidden}
    .device-stage:before,.device-stage:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.16);border-radius:50%}
    .device-stage:before{width:330px;height:330px}.device-stage:after{width:220px;height:220px}
    .phone{position:relative;z-index:1;width:142px;height:250px;padding:9px;border:5px solid #dbe9e3;border-radius:22px;background:#f8fbf8;box-shadow:0 18px 28px rgba(0,0,0,.2);transform:rotate(5deg)}
    .phone-top{height:22px;border-radius:10px;background:var(--teal-soft);margin-bottom:10px}.phone-line{height:9px;border-radius:5px;background:#d4e6df;margin:9px 8px}.phone-line.short{width:55%}.phone-block{height:66px;margin:14px 7px;background:#e3f0ec;border-radius:9px;border-left:4px solid var(--orange)}
    .tag{display:inline-flex;width:max-content;padding:4px 9px;border-radius:6px;background:var(--teal-soft);color:var(--teal);font-size:12px;font-weight:800}.tag.orange{background:var(--orange-soft);color:#a35e46}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .step{padding:28px 25px;border-right:1px solid var(--line)}.step:last-child{border-right:0}.step-num{color:var(--orange);font-size:14px;font-weight:900;letter-spacing:.1em}.step h3{margin:12px 0 8px;color:var(--ink);font-size:19px}.step p{margin:0;color:var(--muted);font-size:14px}
    .info-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.info-card{padding:27px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.25s ease}.info-card:hover{border-color:#9fc5ba;box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .info-card h3{margin:14px 0 7px;color:var(--ink);font-size:19px}.info-card p{margin:0;color:var(--muted);font-size:14px}.icon{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:var(--orange-soft);color:var(--orange);font-weight:900}
    .timeline{position:relative;margin-top:12px;border-left:2px solid #b9d6cd;padding-left:30px}.timeline-item{position:relative;padding:0 0 28px}.timeline-item:last-child{padding-bottom:0}.timeline-item:before{content:"";position:absolute;left:-39px;top:8px;width:14px;height:14px;background:var(--paper);border:3px solid var(--teal);border-radius:50%}.timeline time{color:var(--orange);font-size:12px;font-weight:800}.timeline h3{margin:5px 0;color:var(--ink);font-size:18px}.timeline p{margin:0;color:var(--muted);font-size:14px}
    .faq{max-width:860px;margin:0 auto}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-question{width:100%;padding:21px 5px;display:flex;justify-content:space-between;align-items:center;background:transparent;border:0;text-align:left;color:var(--ink);font-weight:800;font-size:16px}.faq-question span:last-child{color:var(--orange);font-size:22px;font-weight:400}.faq-answer{display:none;padding:0 35px 22px 5px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:48px 55px;background:var(--teal-soft);border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0 0 8px;color:var(--ink-deep);font-size:28px}.cta p{margin:0;color:var(--muted);font-size:14px}
    .site-footer{padding:58px 0 24px;background:var(--ink-deep);color:#d8e5df}.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .8fr;gap:60px}.footer-brand .brand-name{color:#fff}.footer-brand .brand-note{color:#9db7ae}.footer-brand p{max-width:350px;margin:20px 0 0;color:#a9c0b8;font-size:13px}.footer-title{margin:5px 0 15px;color:#fff;font-size:15px}.footer-links{display:grid;gap:8px}.footer-links a{color:#a9c0b8;font-size:13px;transition:.2s}.footer-links a:hover,.footer-links a:focus-visible{color:#fff;padding-left:3px;outline:none}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:19px;border-top:1px solid rgba(255,255,255,.13)}.footer-copy{color:#8fa9a0;font-size:12px}
    @media(max-width:992px){.page-hero-grid,.download-panel{grid-template-columns:1fr;gap:30px}.nav-wrap{gap:15px}.brand{min-width:auto}.nav a{padding-left:9px;padding-right:9px}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 40px))}.nav{display:none;position:absolute;top:78px;left:0;right:0;padding:12px 20px 18px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.menu-toggle{display:block}.notice-bar .container{white-space:nowrap;overflow:hidden}.page-hero{padding:55px 0 45px}.section{padding:65px 0}.steps,.info-grid{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.download-panel{padding:28px 22px}.cta{padding:34px 25px;display:block}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:35px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom .footer-copy{display:block;margin-top:7px}}
    @media(max-width:480px){h1{font-size:34px}.section-title{font-size:28px}.brand-name{font-size:16px}.brand-mark{width:38px;height:38px}.download-panel h2{font-size:27px}.btn-row,.btn{width:100%}.btn{min-height:46px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}