/* roulang page: index */
:root {
      --c-primary: #2F6FAF;
      --c-primary-hover: #2B669F;
      --c-primary-active: #275d90;
      --c-primary-dark: #1F4E7A;
      --c-primary-soft: #E8F1F8;
      --c-ok: #2E9A78;
      --c-warn: #C9842A;
      --c-sand: #C4A574;
      --c-bg: #F5F8FC;
      --c-bg-alt: #EEF3F8;
      --c-card: #FFFFFF;
      --c-text: #1C2430;
      --c-muted: #5C6B78;
      --c-line: rgba(47, 111, 175, 0.12);
      --c-line-soft: rgba(47, 111, 175, 0.08);
      --c-dark: #1B2A3A;
      --c-dark-2: #243544;
      --c-footer: #223140;
      --radius-card: 14px;
      --radius-btn: 9px;
      --radius-sm: 8px;
      --shadow: 0 8px 28px rgba(31, 78, 122, 0.08);
      --shadow-hover: 0 12px 32px rgba(31, 78, 122, 0.14);
      --container: 1180px;
      --topbar-h: 36px;
      --nav-h: 72px;
      --sticky-h: 64px;
      --font: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --ease: 0.22s ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--c-text);
      background: var(--c-bg);
      overflow-x: hidden;
      padding-bottom: var(--sticky-h);
    }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--c-primary); text-decoration: none; transition: color var(--ease), opacity var(--ease); }
    a:hover { color: var(--c-primary-dark); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--c-primary);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    ul, ol { margin: 0; padding: 0; }
    p { margin: 0 0 1em; }
    h1, h2, h3, h4 { margin: 0; color: var(--c-primary-dark); letter-spacing: 0; }
    h1 { font-size: 42px; font-weight: 700; line-height: 1.2; color: #fff; }
    h2 { font-size: 30px; font-weight: 650; line-height: 1.3; }
    h3 { font-size: 19px; font-weight: 650; line-height: 1.4; }
    .container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
    .muted { color: var(--c-muted); }
    .sr-only {
      position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
      overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
    }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 4px 10px; border-radius: 8px; font-size: 12px; font-weight: 500;
      background: var(--c-primary-soft); color: var(--c-primary-dark);
      border: 1px solid var(--c-line);
      line-height: 1.4;
    }
    .badge.ok { background: rgba(46,154,120,.12); color: #1f6d54; border-color: rgba(46,154,120,.22); }
    .badge.warn { background: rgba(201,132,42,.12); color: #8a5a16; border-color: rgba(201,132,42,.24); }
    .badge.sand { background: rgba(196,165,116,.14); color: #6d542c; border-color: rgba(196,165,116,.35); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 20px; border-radius: var(--radius-btn);
      font-size: 15px; font-weight: 600; line-height: 1.2; text-decoration: none;
      transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
      cursor: pointer;
    }
    .btn-primary { background: var(--c-primary); color: #fff; box-shadow: 0 6px 16px rgba(47,111,175,.22); }
    .btn-primary:hover { background: var(--c-primary-hover); color: #fff; transform: translateY(-1px); }
    .btn-primary:active { background: var(--c-primary-active); transform: translateY(0); }
    .btn-ghost {
      background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.7);
    }
    .btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
    .btn-line {
      background: #fff; color: var(--c-primary-dark); border: 1px solid var(--c-line);
    }
    .btn-line:hover { border-color: var(--c-primary); color: var(--c-primary); box-shadow: var(--shadow); }
    .btn-text { color: var(--c-primary); font-weight: 600; padding: 8px 0; min-height: 44px; }
    .btn-text:hover { color: var(--c-primary-dark); }
    .site-header { position: relative; z-index: 50; }
    .topbar {
      height: var(--topbar-h); background: #E3EDF5; color: var(--c-muted);
      font-size: 13px; display: flex; align-items: center;
    }
    .topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .topbar a { color: var(--c-primary-dark); }
    .topbar a:hover { color: var(--c-primary); }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
    .topbar-dot { width: 1px; height: 12px; background: rgba(31,78,122,.18); }
    .nav-main {
      background: #fff; border-bottom: 1px solid var(--c-line-soft);
      min-height: var(--nav-h);
    }
    .nav-main.is-sticky {
      position: sticky; top: 0; z-index: 60;
      box-shadow: 0 8px 24px rgba(31,78,122,.08);
    }
    .nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: var(--nav-h); }
    .logo { display: flex; align-items: center; gap: 10px; color: var(--c-primary-dark); min-height: 44px; flex-shrink: 0; }
    .logo:hover { color: var(--c-primary); }
    .logo-mark {
      width: 38px; height: 38px; border-radius: 9px; background: var(--c-primary); color: #fff;
      display: grid; place-items: center; font-weight: 700; font-size: 16px;
      box-shadow: 0 6px 14px rgba(47,111,175,.25);
    }
    .logo-name { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-name strong { font-size: 16px; font-weight: 700; }
    .logo-name small { font-size: 12px; font-weight: 500; color: var(--c-muted); }
    .nav-links { display: flex; align-items: center; gap: 6px 18px; list-style: none; }
    .nav-links a {
      color: var(--c-text); font-size: 14px; font-weight: 500; padding: 10px 0;
      min-height: 44px; display: inline-flex; align-items: center; position: relative;
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--c-primary); }
    .nav-links a.is-active::after {
      content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 2px;
      background: var(--c-primary); border-radius: 2px;
    }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border-radius: 9px;
      border: 1px solid var(--c-line); align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--c-primary-dark); display: block; }
    .drawer {
      display: none; position: fixed; inset: 0; z-index: 80; background: rgba(27,42,58,.38);
    }
    .drawer.is-open { display: block; }
    .drawer-panel {
      width: min(86vw, 360px); height: 100%; background: #fff; padding: 20px;
      box-shadow: 8px 0 32px rgba(31,78,122,.16); overflow: auto;
    }
    .drawer-top { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
    .drawer-links { list-style: none; display: flex; flex-direction: column; }
    .drawer-links a {
      display: flex; align-items: center; min-height: 48px; padding: 8px 4px;
      color: var(--c-text); font-weight: 600; border-bottom: 1px solid var(--c-line-soft);
    }
    .section { padding: 104px 0; }
    .section.tight { padding: 72px 0; }
    .section-head { max-width: 760px; margin-bottom: 36px; }
    .section-head h2 { margin-bottom: 12px; }
    .section-head p { color: var(--c-muted); font-size: 16px; line-height: 1.75; margin: 0; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px; color: var(--c-primary);
      font-size: 13px; font-weight: 600; margin-bottom: 10px;
    }
    .kicker::before { content: ""; width: 18px; height: 2px; background: var(--c-sand); }
    #hero, #highlights, #intro, #advantages, #modules, #scenes, #cases, #stories,
    #stats, #reviews, #compare, #types, #news, #faq, #guarantee, #demo {
      scroll-margin-top: 96px;
    }
    .hero { position: relative; min-height: 680px; color: #fff; overflow: hidden; padding: 0; }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity .7s ease;
    }
    .hero-slide.is-on { opacity: 1; }
    .hero-slide img { width: 100%; height: 100%; object-fit: cover; }
    .hero-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(20,36,52,.82) 0%, rgba(20,36,52,.55) 46%, rgba(20,36,52,.22) 100%),
        linear-gradient(180deg, rgba(20,36,52,.2) 0%, rgba(20,36,52,.55) 100%);
    }
    .hero-copy {
      position: relative; z-index: 2; min-height: 680px;
      display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
      padding: 48px 0 56px;
    }
    .hero-text .badge { background: rgba(232,241,248,.16); color: #fff; border-color: rgba(255,255,255,.25); }
    .hero h1 { margin: 14px 0 16px; max-width: 16em; }
    .hero-lead { font-size: 16px; line-height: 1.8; color: rgba(255,255,255,.9); max-width: 38em; margin-bottom: 22px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
    .trust-row { display: flex; flex-wrap: wrap; gap: 8px; }
    .hero-stage {
      justify-self: end; width: min(100%, 420px); aspect-ratio: 16/10;
      border-radius: 16px; overflow: hidden; position: relative;
      box-shadow: 0 16px 40px rgba(0,0,0,.28); border: 1px solid rgba(255,255,255,.18);
    }
    .hero-stage-frame { position: absolute; inset: 0; }
    .hero-play {
      position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
      width: 74px; height: 74px; border-radius: 50%; background: #fff; color: var(--c-primary);
      display: grid; place-items: center; box-shadow: 0 10px 28px rgba(0,0,0,.25);
      min-width: 74px; min-height: 74px; z-index: 3;
    }
    .hero-play:hover { transform: translate(-50%,-52%); }
    .hero-play i {
      width: 0; height: 0; border-style: solid; border-width: 12px 0 12px 20px;
      border-color: transparent transparent transparent var(--c-primary); margin-left: 4px;
    }
    .hero.is-playing .hero-play i {
      width: 16px; height: 16px; border: 0; background:
        linear-gradient(to right, var(--c-primary) 0 5px, transparent 5px 11px, var(--c-primary) 11px 16px);
      margin: 0;
    }
    .hero-ctrl {
      position: absolute; left: 16px; right: 16px; bottom: 14px; z-index: 3;
      display: flex; align-items: center; justify-content: space-between; gap: 12px;
    }
    .hero-dots { display: flex; gap: 8px; }
    .hero-dots button {
      width: 28px; height: 8px; border-radius: 99px; background: rgba(255,255,255,.35); min-height: 8px;
    }
    .hero-dots button.is-on { background: #fff; }
    .hero-arrows { display: flex; gap: 8px; }
    .hero-arrows button {
      width: 44px; height: 44px; border-radius: 10px; background: rgba(27,42,58,.45); color: #fff;
      border: 1px solid rgba(255,255,255,.2); font-size: 18px;
    }
    .hero-arrows button:hover { background: rgba(27,42,58,.7); }
    .topic-strip {
      position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 8px;
      padding: 0 0 28px;
    }
    .topic-strip a {
      color: #fff; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
      border-radius: 8px; padding: 8px 12px; min-height: 44px; display: inline-flex; align-items: center;
      font-size: 13px; font-weight: 500;
    }
    .topic-strip a:hover { background: rgba(255,255,255,.2); color: #fff; }
    .steps {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow);
      border: 1px solid var(--c-line-soft); overflow: hidden;
    }
    .step {
      padding: 32px 28px; position: relative;
    }
    .step + .step { border-left: 1px solid var(--c-line-soft); }
    .step-no {
      font-size: 28px; font-weight: 700; color: var(--c-primary); line-height: 1; margin-bottom: 12px;
    }
    .step h3 { margin-bottom: 8px; }
    .step p { margin: 0; color: var(--c-muted); font-size: 15px; }
    .alt { background: #fff; }
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .split-copy p { color: var(--c-muted); }
    .fact-list { list-style: none; display: grid; gap: 10px; margin-top: 18px; }
    .fact-list li {
      padding: 12px 14px; background: var(--c-primary-soft); border-radius: 10px;
      border-left: 3px solid var(--c-primary); font-size: 14px; color: var(--c-text);
    }
    .media {
      border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow);
      border: 1px solid var(--c-line-soft); background: #fff;
    }
    .media img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
    .room-board {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 16px; padding: 14px;
      background: #fff; border-top: 1px solid var(--c-line-soft);
    }
    .room {
      font-size: 12px; padding: 8px 6px; border-radius: 8px; text-align: center; font-weight: 600;
      min-height: 44px; display: flex; align-items: center; justify-content: center;
    }
    .r-ok { background: rgba(46,154,120,.12); color: #1f6d54; }
    .r-stay { background: rgba(47,111,175,.12); color: var(--c-primary-dark); }
    .r-fix { background: rgba(201,132,42,.14); color: #8a5a16; }
    .r-lock { background: rgba(196,165,116,.18); color: #6d542c; }
    .bento {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    }
    .adv {
      background: #fff; border-radius: var(--radius-card); padding: 26px 24px;
      box-shadow: var(--shadow); border: 1px solid var(--c-line-soft);
      transition: transform var(--ease), box-shadow var(--ease);
    }
    .adv:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .adv.big { grid-column: span 2; min-height: 210px; }
    .adv p { color: var(--c-muted); font-size: 15px; margin: 8px 0 0; }
    .adv .badge { margin-bottom: 10px; }
    .module-list { display: grid; gap: 28px; }
    .module {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 0;
      background: #fff; border-radius: var(--radius-card); overflow: hidden;
      box-shadow: var(--shadow); border: 1px solid var(--c-line-soft);
    }
    .module.reverse { grid-template-columns: .95fr 1.05fr; }
    .module.reverse .module-body { order: -1; }
    .module img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
    .module-body { padding: 32px 30px; }
    .module-body ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; margin: 16px 0 20px; }
    .module-body li {
      font-size: 14px; color: var(--c-text); padding-left: 14px; position: relative;
    }
    .module-body li::before {
      content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c-primary);
      position: absolute; left: 0; top: .55em;
    }
    .scene-wrap {
      display: grid; grid-template-columns: .9fr 1.1fr; gap: 24px; align-items: stretch;
    }
    .scene-tabs { display: flex; flex-direction: column; gap: 8px; }
    .scene-tab {
      text-align: left; background: #fff; border: 1px solid var(--c-line-soft);
      border-radius: 12px; padding: 14px 16px; min-height: 64px;
      box-shadow: var(--shadow); color: var(--c-text);
    }
    .scene-tab strong { display: block; font-size: 16px; color: var(--c-primary-dark); }
    .scene-tab span { font-size: 13px; color: var(--c-muted); }
    .scene-tab.is-on { border-color: var(--c-primary); background: var(--c-primary-soft); }
    .scene-panel {
      background: #fff; border-radius: var(--radius-card); overflow: hidden;
      border: 1px solid var(--c-line-soft); box-shadow: var(--shadow);
    }
    .scene-panel img { width: 100%; height: 280px; object-fit: cover; }
    .scene-steps { padding: 20px 22px 24px; display: none; }
    .scene-steps.is-on { display: block; }
    .scene-steps ol { padding-left: 22px; color: var(--c-muted); }
    .scene-steps li { margin: 6px 0; font-size: 15px; }
    .dark-band {
      background: var(--c-dark) url("/assets/images/6614271f3de8fc2d.webp") center/cover no-repeat;
      color: #fff; position: relative;
    }
    .dark-band::before {
      content: ""; position: absolute; inset: 0; background: rgba(27,42,58,.88);
    }
    .dark-band .container { position: relative; z-index: 1; }
    .dark-band h2, .dark-band .kicker { color: #fff; }
    .dark-band .section-head p { color: rgba(255,255,255,.78); }
    .case-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 16px; }
    .case-card {
      background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
      border-radius: 14px; padding: 24px;
    }
    .case-card.big { padding: 32px; }
    .case-card h3 { color: #fff; margin: 8px 0; }
    .case-metric { font-size: 34px; font-weight: 700; color: #fff; line-height: 1.1; }
    .case-metric span { font-size: 14px; font-weight: 500; margin-left: 4px; color: rgba(255,255,255,.7); }
    .case-card p { color: rgba(255,255,255,.78); margin: 8px 0 0; font-size: 14px; }
    .partner-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
    .partner-row span {
      border: 1px solid rgba(255,255,255,.16); color: rgba(255,255,255,.85);
      border-radius: 8px; padding: 8px 12px; font-size: 13px; min-height: 40px; display: inline-flex; align-items: center;
    }
    .story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .story {
      background: #fff; border-radius: var(--radius-card); padding: 24px;
      box-shadow: var(--shadow); border: 1px solid var(--c-line-soft);
    }
    .story-top { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
    .avatar {
      width: 52px; height: 52px; border-radius: 50%; object-fit: cover; border: 2px solid var(--c-sand);
    }
    .story h3 { font-size: 16px; }
    .quote { color: var(--c-text); position: relative; padding-left: 14px; border-left: 3px solid var(--c-sand); font-size: 15px; margin: 0; }
    .stats {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    }
    .stat {
      background: #fff; border-radius: 14px; padding: 22px 20px;
      border: 1px solid var(--c-line-soft); box-shadow: var(--shadow);
      border-top: 3px solid var(--c-primary);
    }
    .stat b { display: block; font-size: 30px; color: var(--c-primary-dark); line-height: 1.15; margin-bottom: 6px; }
    .stat span { color: var(--c-muted); font-size: 14px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .review {
      background: #fff; border-radius: var(--radius-card); padding: 22px;
      box-shadow: var(--shadow); border: 1px solid var(--c-line-soft);
      transition: transform var(--ease), box-shadow var(--ease);
    }
    .review:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .stars { color: var(--c-sand); letter-spacing: 2px; font-size: 14px; margin-bottom: 8px; }
    .review p { font-size: 14px; color: var(--c-text); margin: 0 0 12px; }
    .review-meta { font-size: 13px; color: var(--c-muted); }
    .compare { display: grid; gap: 12px; }
    .compare-row {
      display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
    }
    .cmp {
      background: #fff; border-radius: 12px; padding: 18px 20px; border: 1px solid var(--c-line-soft);
    }
    .cmp.old { background: #F7F4EE; }
    .cmp.new { box-shadow: var(--shadow); border-color: rgba(47,111,175,.18); }
    .cmp h3 { font-size: 16px; margin-bottom: 6px; }
    .cmp p { margin: 0; color: var(--c-muted); font-size: 14px; }
    .filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
    .filter-bar button {
      min-height: 44px; padding: 8px 14px; border-radius: 9px; border: 1px solid var(--c-line);
      background: #fff; color: var(--c-text); font-weight: 600; font-size: 14px;
    }
    .filter-bar button.is-on, .filter-bar button:hover {
      background: var(--c-primary); color: #fff; border-color: var(--c-primary);
    }
    .type-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .type-card {
      display: grid; grid-template-columns: 148px 1fr; gap: 0; overflow: hidden;
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow); border: 1px solid var(--c-line-soft);
    }
    .type-card img { width: 148px; height: 100%; object-fit: cover; min-height: 160px; }
    .type-card div { padding: 18px 18px 16px; }
    .type-card p { color: var(--c-muted); font-size: 14px; margin: 8px 0 12px; }
    .news-layout { display: grid; grid-template-columns: 1.45fr .7fr; gap: 20px; }
    .news-stream { display: grid; gap: 14px; }
    .news-card {
      display: grid; grid-template-columns: 180px 1fr; gap: 16px; background: #fff;
      border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--c-line-soft);
    }
    .news-card img { width: 100%; height: 100%; object-fit: cover; min-height: 128px; }
    .news-card div { padding: 16px 16px 16px 0; }
    .news-card time { font-size: 12px; color: var(--c-muted); }
    .news-card p { font-size: 14px; color: var(--c-muted); margin: 6px 0 0; }
    .rank-panel {
      background: #fff; border-radius: 14px; padding: 20px; box-shadow: var(--shadow);
      border: 1px solid var(--c-line-soft); height: 100%;
    }
    .rank-panel ol { list-style: none; }
    .rank-panel li {
      display: flex; gap: 10px; align-items: flex-start; padding: 10px 0;
      border-bottom: 1px solid var(--c-line-soft); font-size: 14px;
    }
    .rank-panel li:last-child { border-bottom: 0; }
    .n {
      width: 24px; height: 24px; border-radius: 6px; background: var(--c-primary-soft);
      color: var(--c-primary-dark); display: grid; place-items: center; font-size: 12px; font-weight: 700; flex-shrink: 0;
    }
    .calendar { margin-top: 16px; }
    .calendar h3 { font-size: 15px; margin-bottom: 8px; }
    .calendar li { border-bottom: 0; padding: 8px 0; color: var(--c-muted); }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: #fff; border-radius: 12px; border: 1px solid var(--c-line-soft); box-shadow: var(--shadow); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; padding: 16px 48px 16px 18px; min-height: 56px;
      font-size: 16px; font-weight: 650; color: var(--c-primary-dark); position: relative;
    }
    .faq-item button::after {
      content: ""; position: absolute; right: 18px; top: 50%; width: 10px; height: 10px;
      border-right: 2px solid var(--c-primary); border-bottom: 2px solid var(--c-primary);
      transform: translateY(-70%) rotate(45deg); transition: transform var(--ease);
    }
    .faq-item.is-open button::after { transform: translateY(-30%) rotate(225deg); }
    .faq-item .faq-a { display: none; padding: 0 18px 16px; color: var(--c-muted); font-size: 15px; }
    .faq-item.is-open .faq-a { display: block; }
    .g-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .g-card {
      background: #fff; border-radius: 12px; padding: 20px; border: 1px solid var(--c-line);
      min-height: 150px;
    }
    .g-card h3 { margin: 8px 0; font-size: 16px; }
    .g-card p { margin: 0; color: var(--c-muted); font-size: 14px; }
    .check { list-style: none; margin-top: 18px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
    .check li {
      font-size: 13px; color: var(--c-text); background: var(--c-primary-soft);
      border-radius: 8px; padding: 10px 12px; min-height: 44px; display: flex; align-items: center;
    }
    .check li::before { content: "✓"; color: var(--c-ok); font-weight: 700; margin-right: 8px; }
    .cta-box {
      display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start;
      background: #fff; border-radius: 16px; padding: 32px; box-shadow: var(--shadow);
      border: 1px solid var(--c-line-soft);
    }
    .slots { display: grid; gap: 8px; margin: 16px 0; }
    .slot {
      width: 100%; text-align: left; border: 1px solid var(--c-line); border-radius: 10px;
      padding: 12px 14px; min-height: 52px; background: #fff; display: flex; justify-content: space-between; gap: 8px;
      color: var(--c-text);
    }
    .slot.is-on { border-color: var(--c-primary); background: var(--c-primary-soft); }
    .form { display: grid; gap: 12px; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--c-primary-dark); }
    input, select, textarea {
      width: 100%; min-height: 44px; border: 1px solid var(--c-line); border-radius: 9px;
      padding: 10px 12px; background: #fff; color: var(--c-text); font-size: 15px;
    }
    textarea { min-height: 88px; resize: vertical; }
    .checks { display: flex; flex-wrap: wrap; gap: 8px 14px; }
    .checks label { display: flex; align-items: center; gap: 6px; font-weight: 500; color: var(--c-text); min-height: 44px; margin: 0; }
    .checks input { width: 18px; height: 18px; min-height: 18px; }
    .form-msg { font-size: 13px; color: #b42318; min-height: 20px; }
    .form-success {
      display: none; background: rgba(46,154,120,.12); color: #1f6d54;
      border-radius: 10px; padding: 14px 16px; font-size: 14px;
    }
    .form-success.is-on { display: block; }
    .contact-side { margin-top: 16px; font-size: 14px; color: var(--c-muted); }
    .site-footer { background: var(--c-footer); color: rgba(255,255,255,.78); padding: 56px 0 28px; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr 1fr; gap: 28px; margin-bottom: 28px; }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .site-footer a { color: rgba(255,255,255,.82); }
    .site-footer a:hover { color: #fff; }
    .foot-links { list-style: none; }
    .foot-links a { display: inline-flex; min-height: 40px; align-items: center; }
    .copy {
      border-top: 1px solid rgba(255,255,255,.1); padding-top: 16px; font-size: 13px;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }
    .sticky-bar {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
      background: #fff; border-top: 1px solid var(--c-line);
      box-shadow: 0 -8px 24px rgba(31,78,122,.08); min-height: var(--sticky-h);
    }
    .sticky-inner {
      display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: var(--sticky-h);
    }
    .sticky-actions { display: flex; align-items: center; gap: 10px; }
    .mobile-only { display: none; }
    @media (max-width: 1200px) {
      h1 { font-size: 36px; }
      h2 { font-size: 28px; }
      .bento { grid-template-columns: repeat(2, 1fr); }
      .adv.big { grid-column: span 2; }
      .case-grid { grid-template-columns: 1fr 1fr; }
      .review-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 992px) {
      .nav-links, .nav-cta .btn { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero-copy { grid-template-columns: 1fr; min-height: 0; padding: 36px 0 28px; }
      .hero { min-height: 0; }
      .hero-stage { width: 100%; justify-self: stretch; }
      .split, .scene-wrap, .news-layout, .cta-box { grid-template-columns: 1fr; }
      .module, .module.reverse { grid-template-columns: 1fr; }
      .module.reverse .module-body { order: 0; }
      .module img, .media img { min-height: 240px; }
      .stats, .g-grid, .check { grid-template-columns: 1fr 1fr; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .section { padding: 72px 0; }
    }
    @media (max-width: 768px) {
      .topbar { font-size: 12px; }
      .topbar-right .badge { display: none; }
      .steps { grid-template-columns: 1fr; }
      .step + .step { border-left: 0; border-top: 1px solid var(--c-line-soft); }
      .story-grid, .type-grid, .form-row, .compare-row { grid-template-columns: 1fr; }
      .bento, .case-grid, .review-grid { grid-template-columns: 1fr; }
      .adv.big { grid-column: auto; }
      .news-card, .type-card { grid-template-columns: 1fr; }
      .news-card div, .type-card div { padding: 16px; }
      .type-card img, .news-card img { width: 100%; height: 180px; min-height: 180px; }
      .module-body ul { grid-template-columns: 1fr; }
      .room-board { grid-template-columns: repeat(2, 1fr); }
      .sticky-text { display: none; }
      .mobile-only { display: inline-flex; }
      .compare { overflow-x: auto; }
      h1 { font-size: 30px; }
      h2 { font-size: 24px; }
      .section { padding: 56px 0; }
      .cta-box { padding: 20px; }
    }
    @media (max-width: 520px) {
      .container { padding: 0 16px; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .hero-actions .btn { width: 100%; }
      .stats, .g-grid, .check, .foot-grid { grid-template-columns: 1fr; }
      .logo-name strong { font-size: 14px; }
      h1 { font-size: 28px; }
      .copy { flex-direction: column; }
    }
    @media (max-width: 375px) {
      body { font-size: 15px; }
      .section { padding: 48px 0; }
      .hero-play { width: 64px; height: 64px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }