/* roulang page: index */
:root {
            --ink: #351b35;
            --muted: #756875;
            --coral: #e8755c;
            --coral-dark: #c95749;
            --peach: #fff0e9;
            --cream: #fffaf5;
            --line: #eaded8;
            --mint: #2f9b83;
            --purple: #583b61;
            --shadow: 0 16px 45px rgba(75, 35, 52, .09);
            --radius: 22px;
        }
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            background: var(--cream);
            color: var(--ink);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.8;
            font-size: 16px;
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, input, select, textarea { font: inherit; }
        button { cursor: pointer; }
        :focus-visible { outline: 3px solid rgba(232,117,92,.42); outline-offset: 3px; }
        .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
        .site-header {
            position: sticky; top: 0; z-index: 50;
            background: rgba(255,250,245,.92);
            border-bottom: 1px solid rgba(234,222,216,.85);
            backdrop-filter: blur(16px);
        }
        .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
        .brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 850; letter-spacing: -.03em; font-size: 21px; }
        .brand-mark {
            width: 35px; height: 35px; display: grid; place-items: center;
            color: #fff; background: var(--coral); border-radius: 12px 12px 12px 5px;
            box-shadow: 5px 5px 0 #f7c7b8; font-size: 18px;
        }
        .nav-links { display: flex; align-items: center; gap: 5px; margin-left: auto; }
        .nav-links a { color: var(--muted); padding: 9px 12px; border-radius: 10px; font-size: 14px; transition: .2s ease; }
        .nav-links a:hover, .nav-links a.active { color: var(--coral-dark); background: var(--peach); }
        .nav-cta, .btn-primary {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            min-height: 46px; padding: 0 20px; border: 0; border-radius: 12px;
            color: #fff; background: var(--coral); font-weight: 750;
            box-shadow: 0 8px 18px rgba(232,117,92,.22); transition: .2s ease;
        }
        .nav-cta:hover, .btn-primary:hover { transform: translateY(-2px); background: var(--coral-dark); box-shadow: 0 12px 24px rgba(232,117,92,.3); }
        .nav-cta:active, .btn-primary:active { transform: translateY(0); }
        .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 10px; width: 44px; height: 44px; color: var(--ink); }
        .eyebrow { color: var(--coral-dark); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
        .section { padding: 92px 0; border-top: 1px solid rgba(234,222,216,.65); }
        .section-soft { background: #fff5ef; }
        .section-head { max-width: 700px; margin-bottom: 34px; }
        .section-head h2 { margin: 8px 0 12px; font-size: clamp(28px, 4vw, 42px); line-height: 1.22; letter-spacing: -.045em; }
        .section-head p { margin: 0; color: var(--muted); line-height: 1.9; }
        .card { background: rgba(255,255,255,.86); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
        .card:hover { box-shadow: var(--shadow), 0 5px 0 rgba(232,117,92,.08); }
        .tag { display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px; border-radius: 999px; background: var(--peach); color: var(--coral-dark); font-size: 12px; font-weight: 750; }
        .hero { padding: 72px 0 82px; overflow: hidden; }
        .hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 58px; }
        .hero h1 { margin: 15px 0 20px; font-size: clamp(40px, 5.5vw, 70px); line-height: 1.1; letter-spacing: -.065em; }
        .hero-copy { max-width: 650px; color: var(--muted); font-size: 17px; line-height: 1.95; }
        .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
        .btn-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: #fff; font-weight: 750; transition: .2s ease; }
        .btn-secondary:hover { border-color: var(--coral); color: var(--coral-dark); transform: translateY(-2px); }
        .hero-note { display: flex; gap: 18px; margin-top: 27px; color: var(--muted); font-size: 13px; }
        .hero-note strong { display: block; color: var(--ink); font-size: 18px; line-height: 1.3; }
        .hero-stage { position: relative; min-height: 450px; display: flex; align-items: center; justify-content: center; }
        .hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 30px; opacity: .22; }
        .hero-stage::after { content: ""; position: absolute; inset: 0; border-radius: 30px; background: linear-gradient(135deg, rgba(255,240,233,.82), rgba(255,250,245,.62)); }
        .dashboard { position: relative; z-index: 1; width: min(390px, 88%); padding: 22px; background: #fff; border: 1px solid rgba(234,222,216,.9); border-radius: 25px; box-shadow: var(--shadow); transform: rotate(2deg); }
        .dash-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; }
        .dash-title { font-weight: 800; font-size: 19px; }
        .tiny-dot { width: 10px; height: 10px; background: var(--mint); border-radius: 50%; display: inline-block; margin-right: 5px; }
        .dash-panel { padding: 18px; border-radius: 18px; background: var(--peach); margin-bottom: 12px; }
        .dash-panel strong { display: block; font-size: 28px; line-height: 1.2; }
        .dash-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
        .dash-mini { padding: 14px; border: 1px solid var(--line); border-radius: 15px; }
        .dash-mini b { display: block; font-size: 21px; }
        .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; overflow: hidden; }
        .metric { padding: 25px 24px; border-right: 1px solid var(--line); }
        .metric:last-child { border-right: 0; }
        .metric strong { font-size: 32px; letter-spacing: -.04em; }
        .metric p { margin: 4px 0 10px; color: var(--muted); font-size: 14px; }
        .bar { height: 6px; border-radius: 10px; background: #f4e7e1; overflow: hidden; }
        .bar i { display: block; height: 100%; border-radius: inherit; background: var(--coral); }
        .matrix { display: grid; grid-template-columns: 1.25fr .75fr .75fr; grid-template-rows: 1fr 1fr; gap: 15px; }
        .matrix-card { padding: 25px; min-height: 160px; }
        .matrix-main { grid-row: span 2; background: var(--purple); color: #fff; border-color: var(--purple); }
        .matrix-main p, .matrix-main .muted { color: #e8dce9; }
        .matrix-card h3 { margin: 12px 0 7px; font-size: 20px; line-height: 1.35; }
        .matrix-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
        .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
        .compare-box { padding: 28px; }
        .compare-box.before { background: #fff; }
        .compare-box.after { background: #fff0e9; border-color: #f1c6b7; }
        .compare-box h3 { margin: 10px 0 15px; font-size: 22px; }
        .compare-list { list-style: none; padding: 0; margin: 0; }
        .compare-list li { display: flex; gap: 10px; padding: 9px 0; border-top: 1px solid rgba(234,222,216,.7); color: var(--muted); }
        .compare-list li::before { content: "•"; color: var(--coral); font-weight: 900; }
        .timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
        .timeline::before { content: ""; position: absolute; top: 21px; left: 10%; right: 10%; height: 2px; background: #efc5b8; }
        .step { position: relative; z-index: 1; text-align: center; padding: 0 10px; }
        .step-num { display: grid; place-items: center; margin: 0 auto 18px; width: 43px; height: 43px; border-radius: 50%; background: var(--coral); color: #fff; font-weight: 800; border: 5px solid var(--cream); box-shadow: 0 0 0 1px #efc5b8; }
        .step h3 { margin: 0 0 7px; font-size: 17px; }
        .step p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
        .news-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 18px; }
        .news-feature { min-height: 330px; padding: 28px; display: flex; flex-direction: column; justify-content: flex-end; color: #fff; background: linear-gradient(180deg, rgba(53,27,53,.05), rgba(53,27,53,.88)), url('/assets/images/37243365e1817cb6.jpg') center/cover; border-radius: var(--radius); overflow: hidden; }
        .news-feature h3 { margin: 13px 0 5px; font-size: 27px; line-height: 1.3; }
        .news-feature p { margin: 0; color: #f9e9e6; }
        .news-list { display: grid; gap: 10px; }
        .news-item { display: flex; gap: 15px; align-items: flex-start; padding: 18px; }
        .news-index { font-size: 20px; color: var(--coral); font-weight: 850; }
        .news-item h3 { margin: 0 0 3px; font-size: 16px; }
        .news-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
        .support-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
        .support-item { padding: 21px; border-left: 3px solid var(--coral); background: #fff; border-radius: 14px; }
        .support-item h3 { margin: 0 0 6px; font-size: 16px; }
        .support-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
        .quick-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; align-items: stretch; }
        .question-index { padding: 26px; background: var(--purple); color: #fff; border-radius: var(--radius); }
        .question-index h3 { margin: 0 0 20px; font-size: 24px; }
        .question-index span { display: block; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.17); color: #eaddea; font-size: 14px; }
        .answers { display: grid; gap: 12px; }
        .answer { padding: 19px 22px; }
        .answer strong { display: block; margin-bottom: 4px; }
        .answer p { margin: 0; color: var(--muted); font-size: 14px; }
        .faq-list { max-width: 900px; display: grid; gap: 10px; }
        .faq-list details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 0 22px; }
        .faq-list details[open] { border-color: #efb8a8; box-shadow: 0 8px 24px rgba(75,35,52,.06); }
        .faq-list summary { cursor: pointer; padding: 19px 0; font-weight: 750; list-style: none; display: flex; justify-content: space-between; gap: 15px; }
        .faq-list summary::-webkit-details-marker { display: none; }
        .faq-list summary::after { content: "+"; color: var(--coral); font-size: 22px; line-height: 1; }
        .faq-list details[open] summary::after { content: "−"; }
        .faq-answer { color: var(--muted); padding: 0 0 19px; font-size: 14px; line-height: 1.85; }
        .scene-wrap { display: grid; grid-template-columns: .95fr 1.05fr; gap: 20px; align-items: stretch; }
        .scene-image { min-height: 350px; border-radius: var(--radius); background: linear-gradient(135deg, rgba(53,27,53,.08), rgba(53,27,53,.48)), url('/assets/images/9a382626cf07bb49.jpg') center/cover; }
        .scene-content { padding: 30px; }
        .scene-content h3 { margin: 11px 0 10px; font-size: 27px; line-height: 1.3; }
        .scene-content p { color: var(--muted); }
        .chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
        .chip { padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--purple); background: #fff; font-size: 13px; }
        .form-box { display: grid; grid-template-columns: .85fr 1.15fr; gap: 42px; padding: 42px; background: var(--purple); color: #fff; border-radius: 28px; }
        .form-box p { color: #e8dce9; }
        .form-box h2 { margin: 8px 0 13px; font-size: 36px; line-height: 1.25; }
        .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
        .field { display: grid; gap: 7px; }
        .field.full { grid-column: 1 / -1; }
        .field label { color: #f7e9e9; font-size: 13px; font-weight: 700; }
        .field input, .field select, .field textarea { width: 100%; border: 1px solid rgba(255,255,255,.2); border-radius: 10px; padding: 12px 13px; color: var(--ink); background: #fffaf8; }
        .field textarea { min-height: 86px; resize: vertical; }
        .form-submit { margin-top: 14px; background: #f4a18c; color: #351b35; box-shadow: none; }
        .form-submit:hover { background: #ffc0ad; }
        .privacy { margin: 12px 0 0; color: #cdbdce !important; font-size: 12px !important; }
        .close-section { padding: 66px 0; background: #f7d7ca; }
        .close-inner { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
        .close-inner h2 { margin: 0 0 7px; font-size: 31px; line-height: 1.3; }
        .close-inner p { margin: 0; color: #684c60; }
        .site-footer { padding: 58px 0 24px; background: var(--ink); color: #fff; }
        .footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr; gap: 40px; padding-bottom: 42px; }
        .footer-brand p { max-width: 330px; color: #cdbdce; font-size: 14px; line-height: 1.8; }
        .footer-title { margin: 0 0 14px; color: #fff; font-size: 14px; }
        .footer-links { display: grid; gap: 8px; }
        .footer-links a { color: #cdbdce; font-size: 13px; transition: .2s; }
        .footer-links a:hover { color: #f4a18c; }
        .copyright { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #aa98aa; font-size: 12px; display: flex; justify-content: space-between; gap: 20px; }
        @media (max-width: 1024px) {
            .nav-links { gap: 0; }
            .nav-links a { padding: 8px; font-size: 13px; }
            .hero-grid, .news-layout, .scene-wrap { gap: 28px; }
            .metrics { grid-template-columns: repeat(2, 1fr); }
            .metric:nth-child(2) { border-right: 0; }
            .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
        }
        @media (max-width: 768px) {
            .container { width: min(100% - 30px, 600px); }
            .nav-wrap { min-height: 68px; }
            .menu-toggle { display: block; }
            .nav-cta { display: none; }
            .nav-links { display: none; position: absolute; top: 68px; left: 15px; right: 15px; padding: 10px; background: #fffaf5; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 13px 14px; }
            .hero { padding: 48px 0 60px; }
            .hero-grid, .compare, .quick-grid, .scene-wrap, .form-box { grid-template-columns: 1fr; }
            .hero h1 { font-size: 43px; }
            .hero-stage { min-height: 360px; }
            .section { padding: 64px 0; }
            .matrix { grid-template-columns: 1fr 1fr; }
            .matrix-main { grid-column: span 2; grid-row: auto; }
            .timeline { grid-template-columns: 1fr; gap: 22px; }
            .timeline::before { top: 22px; bottom: 22px; left: 21px; width: 2px; height: auto; right: auto; }
            .step { display: grid; grid-template-columns: 43px 1fr; text-align: left; gap: 16px; padding: 0; }
            .step-num { margin: 0; grid-row: span 2; }
            .support-strip { grid-template-columns: 1fr 1fr; }
            .form-box { padding: 28px 22px; gap: 24px; }
            .close-inner { align-items: flex-start; flex-direction: column; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 38px; }
            .hero-actions > * { width: 100%; }
            .metrics, .matrix, .support-strip, .form-grid { grid-template-columns: 1fr; }
            .metric, .metric:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
            .metric:last-child { border-bottom: 0; }
            .matrix-main { grid-column: auto; }
            .form-box h2 { font-size: 29px; }
            .field.full { grid-column: auto; }
            .footer-grid { grid-template-columns: 1fr; gap: 25px; }
            .copyright { flex-direction: column; gap: 5px; }
        }