:root {
            --bg: #f4f8f1;
            --bg-soft: #eef5e8;
            --surface: rgba(255, 255, 255, 0.82);
            --surface-strong: rgba(247, 251, 244, 0.96);
            --line: rgba(112, 143, 108, 0.2);
            --primary: #5f8660;
            --primary-deep: #496a4b;
            --accent: #a8c79e;
            --text: #324438;
            --muted: #627365;
            --shadow: 0 20px 60px rgba(76, 104, 74, 0.12);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            min-height: 100vh;
            font-family: "Iowan Old Style", "Palatino Linotype", "Noto Serif TC",
                "Source Han Serif TC", "Hiragino Mincho ProN", serif;
            color: var(--text);
            background:
                radial-gradient(circle at top left, rgba(176, 210, 167, 0.35), transparent 34%),
                radial-gradient(circle at bottom right, rgba(208, 225, 195, 0.5), transparent 28%),
                linear-gradient(180deg, #f8fbf4 0%, var(--bg) 55%, #edf5e9 100%);
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.22) 1px, transparent 1px);
            background-size: 32px 32px;
            mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.35), transparent 85%);
            opacity: 0.3;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        .page {
            width: min(1120px, calc(100% - 32px));
            margin: 0 auto;
            padding: 24px 0 56px;
            position: relative;
            z-index: 1;
        }

        .topbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .brand-mark {
            width: 52px;
            height: 52px;
            border-radius: 18px;
            display: grid;
            place-items: center;
            color: var(--primary-deep);
            font-size: 1.5rem;
            background: linear-gradient(145deg, rgba(182, 212, 174, 0.7), rgba(255, 255, 255, 0.9));
            border: 1px solid rgba(95, 134, 96, 0.18);
            box-shadow: var(--shadow);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        .brand-text strong {
            font-size: 1rem;
            letter-spacing: 0.08em;
        }

        .brand-text span {
            font-size: 0.9rem;
            color: var(--muted);
        }

        .lang-switch {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border: 1px solid var(--line);
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            box-shadow: 0 10px 30px rgba(95, 134, 96, 0.08);
        }

        .lang-switch label {
            font-size: 0.9rem;
            color: var(--muted);
        }

        .lang-switch select {
            border: none;
            outline: none;
            background: transparent;
            color: var(--primary-deep);
            font: inherit;
            cursor: pointer;
        }

        .hero {
            position: relative;
            overflow: hidden;
            padding: 48px;
            border: 1px solid rgba(95, 134, 96, 0.15);
            border-radius: 32px;
            background:
                linear-gradient(140deg, rgba(255, 255, 255, 0.85), rgba(239, 247, 233, 0.9)),
                rgba(255, 255, 255, 0.75);
            box-shadow: var(--shadow);
        }

        .hero::after {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            right: -80px;
            top: -110px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(186, 216, 174, 0.65), transparent 68%);
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 780px;
        }

        .hero p {
            margin: 0;
            font-size: 1.06rem;
            line-height: 1.95;
            color: var(--muted);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 28px;
        }

        .button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 0 20px;
            border-radius: 999px;
            border: 1px solid rgba(95, 134, 96, 0.18);
            transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
        }

        .button:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(79, 112, 76, 0.14);
        }

        .button-primary {
            background: linear-gradient(135deg, var(--primary), #739772);
            color: #f8fcf5;
        }

        .button-secondary {
            background: rgba(255, 255, 255, 0.72);
            color: var(--primary-deep);
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 20px;
            margin-top: 28px;
        }

        .card {
            padding: 28px;
            border-radius: 26px;
            border: 1px solid var(--line);
            background: var(--surface);
            backdrop-filter: blur(18px);
            box-shadow: 0 14px 40px rgba(80, 108, 77, 0.08);
        }

        .card h2 {
            margin: 0 0 14px;
            font-size: 1.2rem;
            color: var(--primary-deep);
        }

        .card p {
            margin: 0;
            color: var(--muted);
            line-height: 1.9;
        }

        .sites {
            margin-top: 28px;
            padding: 30px;
            border-radius: 30px;
            border: 1px solid rgba(95, 134, 96, 0.16);
            background: var(--surface-strong);
            box-shadow: var(--shadow);
        }

        .sites-header {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 18px;
        }

        .sites-header h2 {
            margin: 0 0 8px;
            font-size: 1.5rem;
            color: var(--primary-deep);
        }

        .sites-header p {
            margin: 0;
            color: var(--muted);
            line-height: 1.8;
        }

        .site-list {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

        .site-link {
            display: block;
            padding: 22px;
            border-radius: 22px;
            border: 1px solid rgba(95, 134, 96, 0.15);
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(239, 247, 233, 0.72));
            transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
        }

        .site-link:hover {
            transform: translateY(-3px);
            border-color: rgba(95, 134, 96, 0.28);
            box-shadow: 0 16px 30px rgba(95, 134, 96, 0.11);
        }

        .site-link strong {
            display: block;
            margin-bottom: 8px;
            font-size: 1.05rem;
            color: var(--primary-deep);
        }

        .site-link span {
            color: var(--muted);
            line-height: 1.75;
        }

        .footer-note {
            margin-top: 24px;
            text-align: center;
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        [data-reveal] {
            opacity: 0;
            transform: translateY(18px);
            animation: rise 720ms ease forwards;
        }

        [data-delay="1"] {
            animation-delay: 100ms;
        }

        [data-delay="2"] {
            animation-delay: 180ms;
        }

        [data-delay="3"] {
            animation-delay: 260ms;
        }

        [data-delay="4"] {
            animation-delay: 340ms;
        }

        @keyframes rise {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 920px) {
            .hero {
                padding: 34px 24px;
            }

            .content-grid,
            .site-list {
                grid-template-columns: 1fr;
            }

            .sites-header,
            .topbar {
                align-items: flex-start;
                flex-direction: column;
            }
        }

        @media (max-width: 560px) {
            .page {
                width: min(100% - 20px, 1120px);
                padding-top: 18px;
                padding-bottom: 40px;
            }

            .brand {
                gap: 10px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .button {
                width: 100%;
            }

            .card,
            .sites {
                padding: 22px;
            }
        }