/* roulang page: index */
:root {
            --color-primary: #7c6cf2;
            --color-primary-dark: #6253d8;
            --color-primary-soft: #eeeaff;
            --color-secondary: #f4a261;
            --color-accent: #5cc8be;
            --color-dark: #171a2b;
            --color-dark-soft: #22263d;
            --color-text: #24273a;
            --color-muted: #6d7186;
            --color-subtle: #9296a8;
            --color-bg: #f7f6fb;
            --color-surface: #ffffff;
            --color-surface-soft: #f0eff6;
            --color-border: #e4e2ec;
            --color-success: #25876f;
            --color-warning-bg: #fff8eb;
            --color-warning-border: #f1d49c;
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --radius-xl: 38px;
            --shadow-sm: 0 8px 24px rgba(25, 27, 45, 0.06);
            --shadow-md: 0 18px 48px rgba(25, 27, 45, 0.10);
            --shadow-lg: 0 30px 80px rgba(18, 19, 35, 0.16);
            --transition: 180ms ease;
            --container: 1180px;
            --header-height: 78px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        body {
            margin: 0;
            color: var(--color-text);
            background:
                radial-gradient(circle at 8% 8%, rgba(124, 108, 242, 0.09), transparent 28%),
                radial-gradient(circle at 94% 22%, rgba(92, 200, 190, 0.08), transparent 24%),
                var(--color-bg);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        body.menu-open {
            overflow: hidden;
        }

        h1,
        h2,
        h3,
        h4,
        p,
        ul,
        ol,
        figure,
        blockquote {
            margin-top: 0;
        }

        h1,
        h2,
        h3,
        h4 {
            color: var(--color-dark);
            line-height: 1.24;
            letter-spacing: -0.025em;
        }

        p {
            color: var(--color-muted);
        }

        ul,
        ol {
            padding-left: 0;
            list-style: none;
        }

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

        img,
        svg {
            display: block;
            max-width: 100%;
        }

        button,
        input {
            margin: 0;
            border: 0;
            font: inherit;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(124, 108, 242, 0.32);
            outline-offset: 3px;
        }

        ::selection {
            color: #fff;
            background: var(--color-primary);
        }

        .container {
            width: min(calc(100% - 40px), var(--container));
            margin-inline: auto;
        }

        .section {
            padding: 104px 0;
        }

        .section-compact {
            padding: 72px 0;
        }

        .section-dark {
            color: #fff;
            background:
                radial-gradient(circle at 15% 10%, rgba(124, 108, 242, 0.32), transparent 35%),
                radial-gradient(circle at 86% 70%, rgba(92, 200, 190, 0.15), transparent 30%),
                var(--color-dark);
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: inherit;
        }

        .section-heading {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 42px;
        }

        .section-heading-centered {
            max-width: 760px;
            margin-right: auto;
            margin-left: auto;
            text-align: center;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 14px;
            color: var(--color-primary-dark);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: 0.14em;
            text-transform: uppercase;
        }

        .section-kicker::before {
            width: 28px;
            height: 2px;
            background: currentColor;
            border-radius: 99px;
            content: "";
        }

        .section-dark .section-kicker {
            color: #b9b0ff;
        }

        .section-title {
            max-width: 760px;
            margin-bottom: 14px;
            font-size: clamp(30px, 4vw, 48px);
        }

        .section-description {
            max-width: 680px;
            margin-bottom: 0;
            font-size: 17px;
        }

        .section-heading-centered .section-description {
            margin-inline: auto;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 13px;
            color: #ddd8ff;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            backdrop-filter: blur(12px);
        }

        .eyebrow-dot {
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            box-shadow: 0 0 0 5px rgba(92, 200, 190, 0.13);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            min-height: 28px;
            padding: 5px 10px;
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 800;
        }

        .badge-green {
            color: #19725f;
            background: #e5f7f2;
        }

        .badge-orange {
            color: #9a5a1f;
            background: #fff1df;
        }

        .button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 50px;
            padding: 0 21px;
            color: #fff;
            background: var(--color-primary);
            border: 1px solid var(--color-primary);
            border-radius: 14px;
            font-weight: 800;
            line-height: 1;
            box-shadow: 0 12px 28px rgba(124, 108, 242, 0.24);
            transition:
                transform var(--transition),
                background var(--transition),
                border-color var(--transition),
                box-shadow var(--transition);
        }

        .button:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: 0 16px 34px rgba(98, 83, 216, 0.30);
            transform: translateY(-2px);
        }

        .button:active {
            transform: translateY(0);
        }

        .button-secondary {
            color: var(--color-dark);
            background: #fff;
            border-color: rgba(255, 255, 255, 0.7);
            box-shadow: none;
        }

        .button-secondary:hover {
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border-color: var(--color-primary-soft);
        }

        .button-ghost {
            color: var(--color-primary-dark);
            background: transparent;
            border-color: var(--color-border);
            box-shadow: none;
        }

        .button-ghost:hover {
            background: var(--color-primary-soft);
            border-color: #cbc4ff;
        }

        .button-icon {
            width: 18px;
            height: 18px;
        }

        .site-header {
            position: sticky;
            z-index: 1000;
            top: 0;
            height: var(--header-height);
            background: rgba(247, 246, 251, 0.86);
            border-bottom: 1px solid rgba(228, 226, 236, 0.78);
            backdrop-filter: blur(18px);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-height);
            gap: 28px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            min-width: 0;
            gap: 12px;
        }

        .brand-mark {
            position: relative;
            display: grid;
            flex: 0 0 auto;
            width: 43px;
            height: 43px;
            place-items: center;
            overflow: hidden;
            color: #fff;
            background: var(--color-dark);
            border-radius: 14px;
            box-shadow: var(--shadow-sm);
        }

        .brand-mark::before,
        .brand-mark::after {
            position: absolute;
            left: 9px;
            height: 3px;
            background: #bcb3ff;
            border-radius: 999px;
            content: "";
        }

        .brand-mark::before {
            top: 15px;
            width: 25px;
            box-shadow: 0 7px 0 var(--color-accent);
            transform: rotate(-6deg);
        }

        .brand-mark::after {
            top: 29px;
            width: 18px;
            background: var(--color-secondary);
            transform: rotate(5deg);
        }

        .brand-copy {
            min-width: 0;
        }

        .brand-name {
            display: block;
            overflow: hidden;
            max-width: 300px;
            color: var(--color-dark);
            font-size: 17px;
            font-weight: 900;
            line-height: 1.25;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .brand-slogan {
            display: block;
            margin-top: 2px;
            color: var(--color-subtle);
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.06em;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            position: relative;
            padding: 10px 16px;
            color: var(--color-muted);
            border-radius: 11px;
            font-size: 14px;
            font-weight: 800;
            transition:
                color var(--transition),
                background var(--transition);
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
        }

        .nav-link.active::after {
            position: absolute;
            right: 16px;
            bottom: 4px;
            left: 16px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 99px;
            content: "";
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-search-button {
            display: grid;
            width: 43px;
            height: 43px;
            color: var(--color-muted);
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 13px;
            place-items: center;
            transition:
                color var(--transition),
                border-color var(--transition),
                transform var(--transition);
        }

        .header-search-button:hover {
            color: var(--color-primary-dark);
            border-color: #bfb6ff;
            transform: translateY(-1px);
        }

        .header-search-button svg {
            width: 19px;
        }

        .hero {
            position: relative;
            overflow: hidden;
            padding: 104px 0 84px;
            color: #fff;
            background: var(--color-dark);
        }

        .hero::before {
            position: absolute;
            top: -180px;
            right: -130px;
            width: 560px;
            height: 560px;
            background: radial-gradient(circle, rgba(124, 108, 242, 0.42), transparent 66%);
            content: "";
        }

        .hero::after {
            position: absolute;
            bottom: -260px;
            left: -180px;
            width: 620px;
            height: 620px;
            background: radial-gradient(circle, rgba(92, 200, 190, 0.18), transparent 67%);
            content: "";
        }

        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            align-items: center;
            grid-template-columns: minmax(0, 1.05fr) minmax(370px, 0.75fr);
            gap: 72px;
        }

        .hero-title {
            max-width: 760px;
            margin: 22px 0 24px;
            color: #fff;
            font-size: clamp(42px, 6.2vw, 76px);
            font-weight: 900;
        }

        .hero-title span {
            color: #bdb5ff;
        }

        .hero-description {
            max-width: 670px;
            margin-bottom: 30px;
            color: #c4c6d4;
            font-size: clamp(17px, 2vw, 20px);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 35px;
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: #b2b5c7;
            font-size: 13px;
            font-weight: 700;
        }

        .hero-point {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-point::before {
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            content: "";
        }

        .hero-visual {
            position: relative;
            min-height: 500px;
        }

        .visual-card {
            position: absolute;
            overflow: hidden;
            color: #fff;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(20px);
        }

        .visual-main {
            top: 18px;
            right: 0;
            width: 85%;
            padding: 24px;
        }

        .visual-topline {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 28px;
        }

        .visual-label {
            color: #dedbec;
            font-size: 13px;
            font-weight: 800;
        }

        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: #b9f2e9;
            font-size: 12px;
            font-weight: 800;
        }

        .live-indicator::before {
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            box-shadow: 0 0 0 5px rgba(92, 200, 190, 0.12);
            content: "";
        }

        .waveform {
            display: flex;
            align-items: center;
            height: 100px;
            gap: 6px;
            margin: 12px 0 28px;
        }

        .waveform i {
            display: block;
            flex: 1;
            height: var(--height);
            min-height: 10px;
            background: linear-gradient(180deg, #bdb5ff, #6253d8);
            border-radius: 99px;
            opacity: var(--opacity, 1);
        }

        .visual-title {
            margin-bottom: 9px;
            color: #fff;
            font-size: 25px;
        }

        .visual-text {
            margin-bottom: 20px;
            color: #bbbccd;
            font-size: 14px;
        }

        .visual-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .visual-meta span {
            padding: 6px 10px;
            color: #dedbec;
            background: rgba(255, 255, 255, 0.07);
            border-radius: 999px;
            font-size: 11px;
            font-weight: 700;
        }

        .visual-small {
            bottom: 4px;
            left: 0;
            width: 58%;
            padding: 20px;
        }

        .visual-small-number {
            display: block;
            margin-bottom: 4px;
            color: #fff;
            font-size: 32px;
            font-weight: 900;
            line-height: 1;
        }

        .visual-small-label {
            color: #bfc1cf;
            font-size: 13px;
        }

        .visual-circle {
            position: absolute;
            right: 22px;
            bottom: 35px;
            display: grid;
            width: 108px;
            height: 108px;
            color: #fff;
            background:
                radial-gradient(circle at center, var(--color-dark) 48%, transparent 50%),
                conic-gradient(var(--color-accent) 0 64%, rgba(255,255,255,.12) 64% 100%);
            border-radius: 50%;
            place-items: center;
        }

        .visual-circle strong {
            font-size: 21px;
        }

        .search-panel {
            position: fixed;
            z-index: 1200;
            inset: 0;
            display: grid;
            visibility: hidden;
            padding: 20px;
            background: rgba(15, 17, 30, 0.76);
            opacity: 0;
            place-items: start center;
            transition:
                opacity var(--transition),
                visibility var(--transition);
            backdrop-filter: blur(12px);
        }

        .search-panel.open {
            visibility: visible;
            opacity: 1;
        }

        .search-dialog {
            width: min(680px, 100%);
            margin-top: 10vh;
            padding: 24px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            transform: translateY(-12px);
            transition: transform var(--transition);
        }

        .search-panel.open .search-dialog {
            transform: translateY(0);
        }

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

        .search-dialog-title {
            margin: 0;
            font-size: 22px;
        }

        .search-close {
            display: grid;
            width: 38px;
            height: 38px;
            color: var(--color-muted);
            background: var(--color-surface-soft);
            border-radius: 11px;
            place-items: center;
        }

        .search-close:hover {
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
        }

        .search-form {
            display: flex;
            gap: 10px;
        }

        .search-input {
            width: 100%;
            min-height: 52px;
            padding: 0 16px;
            color: var(--color-text);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 13px;
            transition:
                border-color var(--transition),
                box-shadow var(--transition);
        }

        .search-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(124, 108, 242, 0.11);
            outline: none;
        }

        .search-help {
            margin: 12px 0 0;
            color: var(--color-subtle);
            font-size: 13px;
        }

        .notice-wrap {
            position: relative;
            z-index: 3;
            margin-top: -36px;
        }

        .notice-card {
            display: grid;
            align-items: center;
            padding: 22px 26px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            grid-template-columns: auto 1fr auto;
            gap: 18px;
        }

        .notice-icon {
            display: grid;
            width: 46px;
            height: 46px;
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border-radius: 14px;
            place-items: center;
        }

        .notice-icon svg {
            width: 22px;
        }

        .notice-title {
            margin-bottom: 3px;
            font-size: 16px;
        }

        .notice-text {
            margin-bottom: 0;
            font-size: 13px;
        }

        .notice-status {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-success);
            font-size: 13px;
            font-weight: 800;
            white-space: nowrap;
        }

        .notice-status::before {
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            content: "";
        }

        .stats-grid {
            display: grid;
            margin-top: 48px;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            padding: 26px;
            background: rgba(255, 255, 255, 0.72);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition:
                transform var(--transition),
                box-shadow var(--transition),
                background var(--transition);
        }

        .stat-card:hover {
            background: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateY(-4px);
        }

        .stat-number {
            display: block;
            margin-bottom: 8px;
            color: var(--color-dark);
            font-size: 30px;
            font-weight: 900;
            line-height: 1;
        }

        .stat-label {
            color: var(--color-muted);
            font-size: 14px;
            font-weight: 700;
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .content-card {
            position: relative;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition:
                transform var(--transition),
                box-shadow var(--transition),
                border-color var(--transition);
        }

        .content-card:hover {
            border-color: #cfc9f3;
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }

        .card-art {
            position: relative;
            height: 220px;
            overflow: hidden;
            background: var(--art-bg);
        }

        .card-art::before {
            position: absolute;
            inset: 0;
            background:
                linear-gradient(145deg, transparent 25%, rgba(255,255,255,.16) 25% 34%, transparent 34%),
                radial-gradient(circle at 70% 25%, rgba(255,255,255,.26), transparent 24%);
            content: "";
        }

        .card-art::after {
            position: absolute;
            right: -30px;
            bottom: -60px;
            width: 190px;
            height: 190px;
            background: rgba(255,255,255,.13);
            border: 22px solid rgba(255,255,255,.08);
            border-radius: 50%;
            content: "";
        }

        .art-wave {
            position: absolute;
            z-index: 2;
            right: 24px;
            bottom: 24px;
            left: 24px;
            display: flex;
            align-items: end;
            height: 76px;
            gap: 5px;
        }

        .art-wave span {
            flex: 1;
            height: var(--h);
            background: rgba(255,255,255,.78);
            border-radius: 99px;
        }

        .card-art-label {
            position: absolute;
            z-index: 3;
            top: 20px;
            left: 20px;
            padding: 7px 11px;
            color: #fff;
            background: rgba(23, 26, 43, 0.30);
            border: 1px solid rgba(255,255,255,.25);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 800;
            backdrop-filter: blur(8px);
        }

        .card-body {
            padding: 24px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 14px;
        }

        .card-meta-text {
            color: var(--color-subtle);
            font-size: 12px;
            font-weight: 700;
        }

        .card-title {
            margin-bottom: 10px;
            font-size: 22px;
        }

        .card-description {
            margin-bottom: 20px;
            font-size: 14px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-primary-dark);
            font-size: 14px;
            font-weight: 900;
        }

        .card-link svg {
            width: 16px;
            transition: transform var(--transition);
        }

        .card-link:hover svg {
            transform: translateX(4px);
        }

        .feature-split {
            display: grid;
            align-items: stretch;
            grid-template-columns: 0.92fr 1.08fr;
            gap: 28px;
        }

        .feature-story {
            position: relative;
            display: flex;
            min-height: 580px;
            overflow: hidden;
            padding: 42px;
            color: #fff;
            background:
                linear-gradient(180deg, rgba(23,26,43,.08), rgba(23,26,43,.94)),
                radial-gradient(circle at 25% 20%, #9388ff, transparent 36%),
                linear-gradient(145deg, #6253d8, #242740 72%);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            flex-direction: column;
            justify-content: end;
        }

        .feature-story::after {
            position: absolute;
            top: 40px;
            right: 36px;
            width: 175px;
            height: 175px;
            border: 34px solid rgba(255,255,255,.08);
            border-radius: 50%;
            content: "";
        }

        .story-number {
            position: absolute;
            top: 32px;
            left: 38px;
            color: rgba(255,255,255,.16);
            font-size: 96px;
            font-weight: 900;
            line-height: 1;
        }

        .feature-story-content {
            position: relative;
            z-index: 2;
        }

        .feature-story h2 {
            max-width: 480px;
            margin: 18px 0 15px;
            color: #fff;
            font-size: clamp(32px, 4vw, 48px);
        }

        .feature-story p {
            max-width: 520px;
            margin-bottom: 25px;
            color: #cfd0dc;
        }

        .feature-list {
            display: grid;
            gap: 16px;
        }

        .feature-item {
            display: grid;
            align-items: start;
            padding: 25px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            grid-template-columns: auto 1fr;
            gap: 18px;
            transition:
                border-color var(--transition),
                transform var(--transition),
                box-shadow var(--transition);
        }

        .feature-item:hover {
            border-color: #cac3f4;
            box-shadow: var(--shadow-sm);
            transform: translateX(5px);
        }

        .feature-icon {
            display: grid;
            width: 48px;
            height: 48px;
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border-radius: 15px;
            place-items: center;
        }

        .feature-icon svg {
            width: 22px;
        }

        .feature-item:nth-child(2) .feature-icon {
            color: #1d7969;
            background: #e4f6f2;
        }

        .feature-item:nth-child(3) .feature-icon {
            color: #a66523;
            background: #fff1df;
        }

        .feature-item:nth-child(4) .feature-icon {
            color: #a14368;
            background: #fdeaf2;
        }

        .feature-item h3 {
            margin-bottom: 6px;
            font-size: 18px;
        }

        .feature-item p {
            margin-bottom: 0;
            font-size: 14px;
        }

        .category-layout {
            display: grid;
            grid-template-columns: 0.7fr 1.3fr;
            gap: 40px;
        }

        .category-intro {
            position: sticky;
            top: 110px;
            align-self: start;
        }

        .category-intro-box {
            padding: 30px;
            background: var(--color-primary-soft);
            border: 1px solid #dbd5ff;
            border-radius: var(--radius-lg);
        }

        .category-intro-box h3 {
            margin-bottom: 12px;
            font-size: 24px;
        }

        .category-intro-box p {
            margin-bottom: 20px;
            font-size: 14px;
        }

        .category-list {
            display: grid;
            gap: 12px;
        }

        .category-item {
            display: grid;
            align-items: center;
            padding: 20px 22px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            grid-template-columns: 56px 1fr auto;
            gap: 18px;
            transition:
                transform var(--transition),
                box-shadow var(--transition),
                border-color var(--transition);
        }

        .category-item:hover {
            border-color: #c9c1f7;
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
        }

        .category-index {
            display: grid;
            width: 56px;
            height: 56px;
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border-radius: 16px;
            font-size: 15px;
            font-weight: 900;
            place-items: center;
        }

        .category-item:nth-child(2) .category-index {
            color: #1e7768;
            background: #e4f6f2;
        }

        .category-item:nth-child(3) .category-index {
            color: #9e5c1d;
            background: #fff1df;
        }

        .category-item:nth-child(4) .category-index {
            color: #a14368;
            background: #fdeaf2;
        }

        .category-item:nth-child(5) .category-index {
            color: #436991;
            background: #eaf3fc;
        }

        .category-copy h3 {
            margin-bottom: 5px;
            font-size: 18px;
        }

        .category-copy p {
            margin-bottom: 0;
            font-size: 13px;
        }

        .category-arrow {
            display: grid;
            width: 38px;
            height: 38px;
            color: var(--color-muted);
            background: var(--color-surface-soft);
            border-radius: 12px;
            place-items: center;
            transition:
                color var(--transition),
                background var(--transition);
        }

        .category-item:hover .category-arrow {
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
        }

        .category-arrow svg {
            width: 17px;
        }

        .process-grid {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .process-grid::before {
            position: absolute;
            z-index: 0;
            top: 38px;
            right: 12%;
            left: 12%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(189,181,255,.65), transparent);
            content: "";
        }

        .process-card {
            position: relative;
            z-index: 1;
            padding: 26px;
            background: rgba(255,255,255,.06);
            border: 1px solid rgba(255,255,255,.12);
            border-radius: var(--radius-md);
            transition:
                transform var(--transition),
                background var(--transition);
        }

        .process-card:hover {
            background: rgba(255,255,255,.10);
            transform: translateY(-5px);
        }

        .process-number {
            display: grid;
            width: 48px;
            height: 48px;
            margin-bottom: 26px;
            color: var(--color-dark);
            background: #bdb5ff;
            border: 6px solid rgba(255,255,255,.09);
            border-radius: 50%;
            font-weight: 900;
            place-items: center;
            background-clip: padding-box;
        }

        .process-card:nth-child(2) .process-number {
            background-color: #8ad9d1;
        }

        .process-card:nth-child(3) .process-number {
            background-color: #f4bc87;
        }

        .process-card:nth-child(4) .process-number {
            background-color: #e9a9c4;
        }

        .process-card h3 {
            margin-bottom: 10px;
            color: #fff;
            font-size: 19px;
        }

        .process-card p {
            margin-bottom: 0;
            color: #b9bbca;
            font-size: 14px;
        }

        .guide-grid {
            display: grid;
            grid-template-columns: 1.08fr 0.92fr;
            gap: 28px;
        }

        .guide-article {
            padding: 38px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .guide-article h2 {
            margin: 15px 0 18px;
            font-size: clamp(28px, 4vw, 40px);
        }

        .guide-article > p {
            font-size: 16px;
        }

        .check-list {
            display: grid;
            margin: 28px 0 0;
            gap: 14px;
        }

        .check-list li {
            position: relative;
            padding: 15px 17px 15px 48px;
            color: var(--color-text);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 14px;
            font-size: 14px;
            font-weight: 700;
        }

        .check-list li::before {
            position: absolute;
            top: 14px;
            left: 16px;
            display: grid;
            width: 22px;
            height: 22px;
            color: #fff;
            background: var(--color-success);
            border-radius: 50%;
            content: "✓";
            font-size: 12px;
            place-items: center;
        }

        .guide-sidebar {
            display: grid;
            gap: 18px;
        }

        .tip-card {
            padding: 28px;
            border-radius: var(--radius-lg);
        }

        .tip-card-primary {
            color: #fff;
            background: var(--color-primary-dark);
        }

        .tip-card-primary h3,
        .tip-card-primary p {
            color: inherit;
        }

        .tip-card-warning {
            background: var(--color-warning-bg);
            border: 1px solid var(--color-warning-border);
        }

        .tip-card h3 {
            margin-bottom: 10px;
            font-size: 22px;
        }

        .tip-card p {
            margin-bottom: 0;
            font-size: 14px;
        }

        .mini-list {
            display: grid;
            margin-top: 18px;
            gap: 10px;
        }

        .mini-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255,255,255,.82);
            font-size: 13px;
            font-weight: 700;
        }

        .mini-list li::before {
            width: 7px;
            height: 7px;
            background: #bdb5ff;
            border-radius: 50%;
            content: "";
        }

        .faq-list {
            display: grid;
            max-width: 900px;
            margin: 0 auto;
            gap: 13px;
        }

        .faq-item {
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition:
                border-color var(--transition),
                box-shadow var(--transition);
        }

        .faq-item[open] {
            border-color: #c9c1f7;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            position: relative;
            display: flex;
            min-height: 72px;
            padding: 20px 62px 20px 24px;
            color: var(--color-dark);
            font-size: 16px;
            font-weight: 900;
            list-style: none;
            align-items: center;
            cursor: pointer;
        }

        .faq-question::-webkit-details-marker {
            display: none;
        }

        .faq-question::after {
            position: absolute;
            top: 50%;
            right: 22px;
            width: 26px;
            height: 26px;
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border-radius: 8px;
            content: "+";
            font-size: 20px;
            font-weight: 500;
            line-height: 25px;
            text-align: center;
            transform: translateY(-50%);
            transition: transform var(--transition);
        }

        .faq-item[open] .faq-question::after {
            content: "−";
            transform: translateY(-50%) rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 22px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 14px;
        }

        .cta {
            padding: 34px 0 104px;
        }

        .cta-card {
            position: relative;
            display: grid;
            align-items: center;
            overflow: hidden;
            padding: 58px;
            color: #fff;
            background:
                radial-gradient(circle at 90% 10%, rgba(92,200,190,.25), transparent 30%),
                linear-gradient(135deg, #6253d8, #2d3150);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            grid-template-columns: 1fr auto;
            gap: 40px;
        }

        .cta-card::after {
            position: absolute;
            right: -70px;
            bottom: -110px;
            width: 300px;
            height: 300px;
            border: 55px solid rgba(255,255,255,.07);
            border-radius: 50%;
            content: "";
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-title {
            max-width: 700px;
            margin-bottom: 13px;
            color: #fff;
            font-size: clamp(30px, 4vw, 48px);
        }

        .cta-text {
            max-width: 680px;
            margin-bottom: 0;
            color: #dddff0;
        }

        .cta-action {
            position: relative;
            z-index: 2;
        }

        .site-footer {
            padding: 64px 0 100px;
            color: #c0c2ce;
            background: #121522;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 50px;
        }

        .footer-brand .brand-name {
            color: #fff;
        }

        .footer-brand .brand-slogan {
            color: #85899d;
        }

        .footer-description {
            max-width: 620px;
            margin: 22px 0 0;
            color: #9295a7;
            font-size: 14px;
        }

        .footer-links {
            display: flex;
            align-items: start;
            gap: 12px;
        }

        .footer-link {
            padding: 9px 13px;
            color: #b8bac8;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 700;
            transition:
                color var(--transition),
                background var(--transition);
        }

        .footer-link:hover {
            color: #fff;
            background: rgba(255,255,255,.07);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            margin-top: 45px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,.09);
            color: #777b8e;
            font-size: 12px;
        }

        .mobile-dock {
            position: fixed;
            z-index: 1100;
            right: 14px;
            bottom: 14px;
            left: 14px;
            display: none;
            min-height: 66px;
            padding: 8px;
            background: rgba(255,255,255,.94);
            border: 1px solid var(--color-border);
            border-radius: 21px;
            box-shadow: 0 18px 42px rgba(20,22,38,.18);
            backdrop-filter: blur(16px);
            grid-template-columns: repeat(4, 1fr);
        }

        .dock-item {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 3px;
            min-width: 0;
            color: var(--color-subtle);
            background: transparent;
            border-radius: 14px;
            font-size: 10px;
            font-weight: 800;
            flex-direction: column;
            transition:
                color var(--transition),
                background var(--transition);
        }

        .dock-item svg {
            width: 20px;
            height: 20px;
        }

        .dock-item:hover,
        .dock-item.active {
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
        }

        .empty-state {
            display: none;
            grid-column: 1 / -1;
            padding: 42px;
            color: var(--color-muted);
            background: #fff;
            border: 1px dashed #cfcbd9;
            border-radius: var(--radius-md);
            text-align: center;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                gap: 38px;
                grid-template-columns: minmax(0, 1fr) minmax(320px, .78fr);
            }

            .hero-visual {
                min-height: 460px;
            }

            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .content-card:last-child {
                grid-column: 1 / -1;
            }

            .feature-split,
            .guide-grid {
                grid-template-columns: 1fr;
            }

            .feature-story {
                min-height: 470px;
            }

            .category-layout {
                grid-template-columns: 1fr;
            }

            .category-intro {
                position: static;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid::before {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 68px;
            }

            body {
                padding-bottom: 82px;
            }

            .container {
                width: min(calc(100% - 30px), var(--container));
            }

            .section {
                padding: 76px 0;
            }

            .desktop-nav,
            .header-actions .button {
                display: none;
            }

            .brand-name {
                max-width: 220px;
                font-size: 15px;
            }

            .brand-slogan {
                display: none;
            }

            .hero {
                padding: 76px 0 64px;
            }

            .hero-grid {
                grid-template-columns: 1fr;
            }

            .hero-title {
                font-size: clamp(40px, 12vw, 62px);
            }

            .hero-visual {
                min-height: 430px;
            }

            .visual-main {
                width: 88%;
            }

            .notice-card {
                grid-template-columns: auto 1fr;
            }

            .notice-status {
                grid-column: 2;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .section-heading {
                align-items: start;
                margin-bottom: 32px;
                flex-direction: column;
            }

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

            .content-card:last-child {
                grid-column: auto;
            }

            .card-art {
                height: 250px;
            }

            .category-item {
                grid-template-columns: 48px 1fr auto;
                padding: 17px;
            }

            .category-index {
                width: 48px;
                height: 48px;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

            .cta-card {
                padding: 42px 30px;
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-links {
                flex-wrap: wrap;
            }

            .footer-bottom {
                align-items: flex-start;
                flex-direction: column;
            }

            .mobile-dock {
                display: grid;
            }
        }

        @media (max-width: 520px) {
            .container {
                width: min(calc(100% - 24px), var(--container));
            }

            .section {
                padding: 64px 0;
            }

            .site-header {
                height: 64px;
            }

            .navbar {
                min-height: 64px;
            }

            .brand-mark {
                width: 39px;
                height: 39px;
            }

            .brand-name {
                max-width: 190px;
                font-size: 14px;
            }

            .header-search-button {
                width: 40px;
                height: 40px;
            }

            .hero {
                padding-top: 58px;
            }

            .hero-title {
                font-size: 40px;
            }

            .hero-description {
                font-size: 16px;
            }

            .hero-actions {
                display: grid;
                grid-template-columns: 1fr;
            }

            .hero-actions .button {
                width: 100%;
            }

            .hero-points {
                align-items: flex-start;
                flex-direction: column;
                gap: 10px;
            }

            .hero-visual {
                min-height: 390px;
            }

            .visual-main {
                width: 94%;
                padding: 20px;
            }

            .visual-small {
                width: 67%;
            }

            .visual-circle {
                right: 3px;
                width: 92px;
                height: 92px;
            }

            .waveform {
                height: 75px;
            }

            .notice-wrap {
                margin-top: -24px;
            }

            .notice-card {
                padding: 19px;
            }

            .notice-icon {
                width: 42px;
                height: 42px;
            }

            .notice-status {
                grid-column: 1 / -1;
            }

            .stats-grid {
                gap: 10px;
            }

            .stat-card {
                padding: 20px 16px;
            }

            .stat-number {
                font-size: 25px;
            }

            .section-title {
                font-size: 31px;
            }

            .card-art {
                height: 210px;
            }

            .feature-story {
                min-height: 450px;
                padding: 28px;
            }

            .story-number {
                top: 25px;
                left: 25px;
                font-size: 76px;
            }

            .feature-item {
                padding: 20px;
                grid-template-columns: 42px 1fr;
                gap: 14px;
            }

            .feature-icon {
                width: 42px;
                height: 42px;
            }

            .category-intro-box,
            .guide-article,
            .tip-card {
                padding: 24px;
            }

            .category-item {
                align-items: start;
                grid-template-columns: 44px 1fr;
            }

            .category-index {
                width: 44px;
                height: 44px;
            }

            .category-arrow {
                display: none;
            }

            .process-card {
                padding: 22px;
            }

            .search-form {
                flex-direction: column;
            }

            .search-form .button {
                width: 100%;
            }

            .cta {
                padding-bottom: 72px;
            }

            .cta-card {
                padding: 36px 24px;
                border-radius: var(--radius-lg);
            }

            .cta-action .button {
                width: 100%;
            }

            .site-footer {
                padding-top: 52px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                scroll-behavior: auto !important;
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
            }
        }