/* roulang page: index */
:root {
            --color-primary: #16a394;
            --color-primary-dark: #0d766c;
            --color-primary-soft: #e5f7f4;
            --color-secondary: #4c79e6;
            --color-secondary-soft: #edf2ff;
            --color-accent: #f4b740;
            --color-danger: #e05d67;
            --color-dark: #0b1723;
            --color-dark-soft: #132534;
            --color-text: #172431;
            --color-muted: #667584;
            --color-light-muted: #97a5b1;
            --color-background: #f3f7f9;
            --color-surface: #ffffff;
            --color-surface-alt: #f8fafb;
            --color-border: #dce5e9;
            --color-border-dark: rgba(255, 255, 255, 0.12);
            --shadow-sm: 0 8px 24px rgba(21, 42, 56, 0.07);
            --shadow-md: 0 18px 48px rgba(21, 42, 56, 0.11);
            --shadow-lg: 0 28px 70px rgba(10, 30, 44, 0.18);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --radius-pill: 999px;
            --container: 1200px;
            --header-height: 82px;
            --transition: 180ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: calc(var(--header-height) + 24px);
        }

        body {
            margin: 0;
            min-width: 320px;
            color: var(--color-text);
            background:
                radial-gradient(circle at 8% 2%, rgba(22, 163, 148, 0.09), transparent 25rem),
                radial-gradient(circle at 92% 15%, rgba(76, 121, 230, 0.08), transparent 30rem),
                var(--color-background);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        body.menu-open {
            overflow: hidden;
        }

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

        button,
        input {
            font: inherit;
        }

        button {
            border: 0;
        }

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

        a,
        button,
        input {
            -webkit-tap-highlight-color: transparent;
        }

        :focus-visible {
            outline: 3px solid rgba(76, 121, 230, 0.32);
            outline-offset: 3px;
        }

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

        .skip-link {
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 999;
            padding: 10px 16px;
            color: #ffffff;
            background: var(--color-dark);
            border-radius: var(--radius-sm);
            transform: translateY(-160%);
            transition: transform var(--transition);
        }

        .skip-link:focus {
            transform: translateY(0);
        }

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

        .section {
            padding: 92px 0;
        }

        .section-compact {
            padding: 64px 0;
        }

        .section-dark {
            color: #ffffff;
            background:
                radial-gradient(circle at 15% 20%, rgba(22, 163, 148, 0.18), transparent 25rem),
                radial-gradient(circle at 90% 80%, rgba(76, 121, 230, 0.18), transparent 28rem),
                var(--color-dark);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 32px;
            margin-bottom: 34px;
        }

        .section-title-wrap {
            max-width: 720px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            color: var(--color-primary-dark);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: 0.14em;
        }

        .section-kicker::before {
            width: 26px;
            height: 2px;
            content: "";
            background: var(--color-primary);
            border-radius: var(--radius-pill);
        }

        .section-dark .section-kicker {
            color: #74dfd3;
        }

        .section-title {
            margin: 0;
            color: var(--color-dark);
            font-size: clamp(28px, 3vw, 44px);
            line-height: 1.2;
            letter-spacing: -0.035em;
        }

        .section-dark .section-title {
            color: #ffffff;
        }

        .section-description {
            max-width: 620px;
            margin: 14px 0 0;
            color: var(--color-muted);
            font-size: 17px;
        }

        .section-dark .section-description {
            color: #aebbc5;
        }

        .text-link {
            display: inline-flex;
            flex: 0 0 auto;
            align-items: center;
            gap: 8px;
            color: var(--color-primary-dark);
            font-weight: 750;
            transition: gap var(--transition), color var(--transition);
        }

        .text-link:hover {
            gap: 12px;
            color: var(--color-secondary);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.88);
            border-bottom: 1px solid rgba(220, 229, 233, 0.88);
            backdrop-filter: blur(18px);
        }

        .header-inner {
            position: relative;
            display: grid;
            grid-template-columns: 1fr minmax(260px, auto) 1fr;
            align-items: center;
            height: var(--header-height);
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
        }

        .nav-left {
            justify-content: flex-start;
        }

        .nav-right {
            justify-content: flex-end;
            gap: 14px;
        }

        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            min-height: 42px;
            padding: 0 16px;
            color: var(--color-muted);
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: color var(--transition), background var(--transition);
        }

        .nav-link:hover {
            color: var(--color-dark);
            background: var(--color-surface-alt);
        }

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

        .nav-link.active::after {
            position: absolute;
            right: 18px;
            bottom: 5px;
            left: 18px;
            height: 2px;
            content: "";
            background: var(--color-primary);
            border-radius: var(--radius-pill);
        }

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

        .brand-mark {
            position: relative;
            display: grid;
            flex: 0 0 auto;
            width: 42px;
            height: 42px;
            place-items: center;
            color: #ffffff;
            background: var(--color-dark);
            border-radius: 14px;
            box-shadow: 0 9px 20px rgba(11, 23, 35, 0.2);
        }

        .brand-mark::before {
            width: 0;
            height: 0;
            margin-left: 3px;
            content: "";
            border-top: 7px solid transparent;
            border-bottom: 7px solid transparent;
            border-left: 11px solid #74dfd3;
        }

        .brand-copy {
            min-width: 0;
            line-height: 1.15;
        }

        .brand-name {
            display: block;
            overflow: hidden;
            color: var(--color-dark);
            font-size: 19px;
            font-weight: 900;
            letter-spacing: -0.03em;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .brand-subtitle {
            display: block;
            margin-top: 4px;
            color: var(--color-muted);
            font-size: 11px;
            letter-spacing: 0.15em;
        }

        .update-status {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-muted);
            font-size: 13px;
            font-weight: 700;
        }

        .status-dot {
            position: relative;
            width: 9px;
            height: 9px;
            background: var(--color-primary);
            border-radius: 50%;
        }

        .status-dot::after {
            position: absolute;
            inset: -5px;
            content: "";
            border: 1px solid rgba(22, 163, 148, 0.4);
            border-radius: 50%;
            animation: statusPulse 2s infinite;
        }

        .header-action {
            display: inline-grid;
            width: 42px;
            height: 42px;
            cursor: pointer;
            place-items: center;
            color: var(--color-dark);
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: 13px;
            transition: transform var(--transition), border-color var(--transition), background var(--transition);
        }

        .header-action:hover {
            background: #ffffff;
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }

        .header-action svg {
            width: 19px;
            height: 19px;
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            cursor: pointer;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: 13px;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            margin: 4px auto;
            background: var(--color-dark);
            border-radius: var(--radius-pill);
            transition: transform var(--transition), opacity var(--transition);
        }

        .menu-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
        }

        .hero {
            position: relative;
            overflow: hidden;
            padding: 88px 0 76px;
        }

        .hero::before {
            position: absolute;
            top: -260px;
            right: -170px;
            width: 620px;
            height: 620px;
            content: "";
            background: radial-gradient(circle, rgba(22, 163, 148, 0.14), transparent 68%);
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: minmax(0, 1.04fr) minmax(420px, 0.96fr);
            gap: 70px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 22px;
            padding: 8px 13px;
            color: var(--color-primary-dark);
            background: rgba(229, 247, 244, 0.88);
            border: 1px solid rgba(22, 163, 148, 0.18);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 800;
        }

        .hero-badge-icon {
            display: grid;
            width: 22px;
            height: 22px;
            place-items: center;
            color: #ffffff;
            background: var(--color-primary);
            border-radius: 50%;
            font-size: 11px;
        }

        .hero h1 {
            max-width: 760px;
            margin: 0;
            color: var(--color-dark);
            font-size: clamp(44px, 5.6vw, 76px);
            line-height: 1.06;
            letter-spacing: -0.055em;
        }

        .hero h1 span {
            color: var(--color-primary-dark);
        }

        .hero-description {
            max-width: 660px;
            margin: 24px 0 0;
            color: var(--color-muted);
            font-size: clamp(17px, 1.5vw, 20px);
        }

        .hero-search {
            display: flex;
            max-width: 650px;
            margin-top: 32px;
            padding: 7px;
            background: rgba(255, 255, 255, 0.96);
            border: 1px solid var(--color-border);
            border-radius: 18px;
            box-shadow: var(--shadow-md);
        }

        .search-icon {
            display: grid;
            flex: 0 0 auto;
            width: 48px;
            place-items: center;
            color: var(--color-muted);
        }

        .search-icon svg {
            width: 21px;
            height: 21px;
        }

        .hero-search input {
            min-width: 0;
            flex: 1;
            padding: 12px 8px;
            color: var(--color-text);
            background: transparent;
            border: 0;
            outline: 0;
        }

        .hero-search input::placeholder {
            color: var(--color-light-muted);
        }

        .button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 48px;
            padding: 0 22px;
            cursor: pointer;
            font-weight: 800;
            border-radius: 13px;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
        }

        .button:hover {
            transform: translateY(-2px);
        }

        .button-primary {
            color: #ffffff;
            background: var(--color-primary-dark);
            box-shadow: 0 10px 24px rgba(13, 118, 108, 0.2);
        }

        .button-primary:hover {
            background: var(--color-primary);
            box-shadow: 0 14px 30px rgba(13, 118, 108, 0.26);
        }

        .button-secondary {
            color: var(--color-dark);
            background: #ffffff;
            border: 1px solid var(--color-border);
        }

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

        .button-light {
            color: var(--color-dark);
            background: #ffffff;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
        }

        .button-light:hover {
            background: #eafffb;
        }

        .button-ghost-light {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
        }

        .button-ghost-light:hover {
            background: rgba(255, 255, 255, 0.14);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }

        .quick-topics {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 9px;
            margin-top: 22px;
        }

        .quick-label {
            color: var(--color-muted);
            font-size: 13px;
            font-weight: 700;
        }

        .topic-chip {
            padding: 7px 12px;
            cursor: pointer;
            color: var(--color-muted);
            background: rgba(255, 255, 255, 0.72);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            font-size: 13px;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }

        .topic-chip:hover,
        .topic-chip.active {
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border-color: rgba(22, 163, 148, 0.3);
        }

        .hero-panel {
            position: relative;
            padding: 22px;
            color: #ffffff;
            background:
                linear-gradient(155deg, rgba(255, 255, 255, 0.06), transparent 52%),
                var(--color-dark);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 32px;
            box-shadow: var(--shadow-lg);
        }

        .hero-panel::before {
            position: absolute;
            top: -16px;
            right: 46px;
            width: 88px;
            height: 32px;
            content: "";
            background: var(--color-accent);
            border-radius: 10px 10px 4px 4px;
            transform: rotate(3deg);
            opacity: 0.9;
        }

        .panel-topbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
        }

        .panel-label {
            color: #aebcc7;
            font-size: 13px;
            font-weight: 700;
        }

        .panel-live {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 10px;
            color: #8cf0e4;
            background: rgba(22, 163, 148, 0.12);
            border: 1px solid rgba(116, 223, 211, 0.16);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 800;
        }

        .featured-visual {
            position: relative;
            min-height: 290px;
            overflow: hidden;
            background:
                linear-gradient(to top, rgba(11, 23, 35, 0.96), rgba(11, 23, 35, 0.04) 70%),
                url("https://images.unsplash.com/photo-1517604931442-7e0c8ed2963c?auto=format&fit=crop&w=1100&q=85") center/cover;
            border-radius: 22px;
        }

        .featured-content {
            position: absolute;
            right: 0;
            bottom: 0;
            left: 0;
            padding: 26px;
        }

        .featured-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            min-height: 27px;
            padding: 0 10px;
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 800;
        }

        .tag-dark {
            color: #ffffff;
            background: rgba(11, 23, 35, 0.62);
            border: 1px solid rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(10px);
        }

        .tag-warm {
            color: #79530a;
            background: #fff3d6;
        }

        .featured-title {
            margin: 0;
            font-size: 26px;
            line-height: 1.25;
        }

        .featured-copy {
            margin: 8px 0 0;
            color: #c4cfd6;
            font-size: 14px;
        }

        .panel-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-top: 12px;
        }

        .panel-metric {
            padding: 15px;
            background: rgba(255, 255, 255, 0.055);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
        }

        .panel-metric strong {
            display: block;
            color: #ffffff;
            font-size: 21px;
            line-height: 1.2;
        }

        .panel-metric span {
            color: #93a4b0;
            font-size: 12px;
        }

        .kpi-strip {
            position: relative;
            z-index: 3;
            margin-top: -16px;
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.94);
            border: 1px solid var(--color-border);
            border-radius: 22px;
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(16px);
        }

        .kpi-item {
            position: relative;
            padding: 27px 28px;
        }

        .kpi-item:not(:last-child)::after {
            position: absolute;
            top: 24px;
            right: 0;
            bottom: 24px;
            width: 1px;
            content: "";
            background: var(--color-border);
        }

        .kpi-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--color-muted);
            font-size: 13px;
            font-weight: 700;
        }

        .kpi-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--color-primary-dark);
            font-size: 12px;
        }

        .kpi-value {
            display: block;
            margin-top: 8px;
            color: var(--color-dark);
            font-size: 32px;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.04em;
        }

        .kpi-note {
            display: block;
            margin-top: 5px;
            color: var(--color-light-muted);
            font-size: 12px;
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 22px;
        }

        .media-card {
            overflow: hidden;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .media-card:hover {
            border-color: rgba(22, 163, 148, 0.34);
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
        }

        .media-card.hidden {
            display: none;
        }

        .media-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #dce5e9;
        }

        .media-image::after {
            position: absolute;
            inset: 0;
            content: "";
            background: linear-gradient(to top, rgba(11, 23, 35, 0.62), transparent 58%);
        }

        .media-image img {
            height: 100%;
            object-fit: cover;
            transition: transform 450ms ease;
        }

        .media-card:hover .media-image img {
            transform: scale(1.045);
        }

        .media-top {
            position: absolute;
            top: 14px;
            right: 14px;
            left: 14px;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .score-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 10px;
            color: #ffffff;
            background: rgba(11, 23, 35, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 850;
            backdrop-filter: blur(10px);
        }

        .save-button {
            display: grid;
            width: 36px;
            height: 36px;
            cursor: pointer;
            place-items: center;
            color: #ffffff;
            background: rgba(11, 23, 35, 0.62);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            backdrop-filter: blur(10px);
            transition: background var(--transition), transform var(--transition);
        }

        .save-button:hover {
            background: var(--color-primary-dark);
            transform: scale(1.05);
        }

        .save-button.saved {
            color: var(--color-dark);
            background: var(--color-accent);
        }

        .save-button svg {
            width: 17px;
            height: 17px;
        }

        .image-label {
            position: absolute;
            bottom: 14px;
            left: 14px;
            z-index: 2;
            padding: 6px 10px;
            color: #ffffff;
            background: rgba(11, 23, 35, 0.58);
            border: 1px solid rgba(255, 255, 255, 0.13);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 750;
            backdrop-filter: blur(9px);
        }

        .media-body {
            padding: 20px;
        }

        .media-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        .media-title {
            margin: 0;
            color: var(--color-dark);
            font-size: 20px;
            line-height: 1.35;
            letter-spacing: -0.02em;
        }

        .media-copy {
            display: -webkit-box;
            overflow: hidden;
            margin: 10px 0 0;
            color: var(--color-muted);
            font-size: 14px;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
        }

        .media-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-top: 18px;
            padding-top: 15px;
            color: var(--color-muted);
            border-top: 1px solid var(--color-border);
            font-size: 13px;
        }

        .media-status {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .media-status::before {
            width: 7px;
            height: 7px;
            content: "";
            background: var(--color-primary);
            border-radius: 50%;
        }

        .media-link {
            color: var(--color-primary-dark);
            font-weight: 800;
        }

        .media-link:hover {
            color: var(--color-secondary);
        }

        .empty-state {
            display: none;
            grid-column: 1 / -1;
            padding: 48px 24px;
            text-align: center;
            background: var(--color-surface);
            border: 1px dashed #bbc9cf;
            border-radius: var(--radius-md);
        }

        .empty-state.visible {
            display: block;
        }

        .empty-state strong {
            display: block;
            color: var(--color-dark);
            font-size: 20px;
        }

        .empty-state span {
            display: block;
            margin-top: 8px;
            color: var(--color-muted);
        }

        .trend-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.28fr) minmax(300px, 0.72fr);
            gap: 24px;
        }

        .dashboard-card {
            padding: 26px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

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

        .dashboard-title {
            margin: 0;
            color: var(--color-dark);
            font-size: 20px;
        }

        .dashboard-note {
            color: var(--color-muted);
            font-size: 13px;
        }

        .ranking-list {
            display: grid;
            gap: 4px;
        }

        .ranking-row {
            display: grid;
            grid-template-columns: 42px minmax(150px, 1.4fr) minmax(110px, 0.7fr) minmax(90px, 0.6fr) 70px;
            gap: 12px;
            align-items: center;
            padding: 14px 12px;
            border-radius: 12px;
            transition: background var(--transition);
        }

        .ranking-row:hover {
            background: var(--color-surface-alt);
        }

        .ranking-row.ranking-header {
            padding-top: 8px;
            padding-bottom: 8px;
            color: var(--color-light-muted);
            font-size: 12px;
            font-weight: 800;
        }

        .ranking-row.ranking-header:hover {
            background: transparent;
        }

        .rank-number {
            display: grid;
            width: 30px;
            height: 30px;
            place-items: center;
            color: var(--color-muted);
            background: var(--color-surface-alt);
            border-radius: 9px;
            font-weight: 850;
        }

        .ranking-row:nth-child(2) .rank-number {
            color: #ffffff;
            background: var(--color-primary-dark);
        }

        .ranking-row:nth-child(3) .rank-number {
            color: #ffffff;
            background: var(--color-secondary);
        }

        .ranking-row:nth-child(4) .rank-number {
            color: #67490b;
            background: var(--color-accent);
        }

        .ranking-name strong {
            display: block;
            color: var(--color-dark);
            font-size: 14px;
        }

        .ranking-name span {
            color: var(--color-light-muted);
            font-size: 12px;
        }

        .progress {
            height: 7px;
            overflow: hidden;
            background: #e9eef1;
            border-radius: var(--radius-pill);
        }

        .progress span {
            display: block;
            height: 100%;
            background: var(--color-primary);
            border-radius: inherit;
        }

        .trend-up {
            color: var(--color-primary-dark);
            font-size: 13px;
            font-weight: 800;
        }

        .trend-steady {
            color: var(--color-secondary);
            font-size: 13px;
            font-weight: 800;
        }

        .side-insight {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 100%;
            padding: 28px;
            color: #ffffff;
            background:
                radial-gradient(circle at 100% 0, rgba(116, 223, 211, 0.18), transparent 18rem),
                var(--color-dark-soft);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .insight-icon {
            display: grid;
            width: 48px;
            height: 48px;
            place-items: center;
            color: #8cf0e4;
            background: rgba(22, 163, 148, 0.12);
            border: 1px solid rgba(116, 223, 211, 0.14);
            border-radius: 15px;
        }

        .insight-icon svg {
            width: 24px;
            height: 24px;
        }

        .side-insight h3 {
            margin: 30px 0 0;
            font-size: 28px;
            line-height: 1.25;
        }

        .side-insight p {
            margin: 14px 0 0;
            color: #aebbc5;
        }

        .insight-points {
            display: grid;
            gap: 11px;
            margin: 28px 0;
        }

        .insight-point {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 13px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.09);
        }

        .insight-point span {
            color: #aebbc5;
            font-size: 13px;
        }

        .insight-point strong {
            color: #ffffff;
        }

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

        .scene-card {
            position: relative;
            min-height: 260px;
            overflow: hidden;
            padding: 24px;
            color: #ffffff;
            background: var(--color-dark-soft);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .scene-card::before {
            position: absolute;
            inset: 0;
            content: "";
            background: linear-gradient(to top, rgba(11, 23, 35, 0.96), rgba(11, 23, 35, 0.1));
            z-index: 1;
        }

        .scene-card::after {
            position: absolute;
            inset: 0;
            content: "";
            background-position: center;
            background-size: cover;
            transition: transform 500ms ease;
        }

        .scene-card:nth-child(1)::after {
            background-image: url("https://images.unsplash.com/photo-1485846234645-a62644f84728?auto=format&fit=crop&w=700&q=80");
        }

        .scene-card:nth-child(2)::after {
            background-image: url("https://images.unsplash.com/photo-1516035069371-29a1b244cc32?auto=format&fit=crop&w=700&q=80");
        }

        .scene-card:nth-child(3)::after {
            background-image: url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=700&q=80");
        }

        .scene-card:nth-child(4)::after {
            background-image: url("https://images.unsplash.com/photo-1542204165-65bf26472b9b?auto=format&fit=crop&w=700&q=80");
        }

        .scene-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
        }

        .scene-card:hover::after {
            transform: scale(1.06);
        }

        .scene-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            height: 100%;
            min-height: 212px;
            justify-content: flex-end;
        }

        .scene-index {
            position: absolute;
            top: 0;
            right: 0;
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.12em;
        }

        .scene-card h3 {
            margin: 0;
            font-size: 23px;
        }

        .scene-card p {
            margin: 8px 0 0;
            color: #ccd5db;
            font-size: 14px;
        }

        .scene-arrow {
            display: inline-grid;
            width: 38px;
            height: 38px;
            margin-top: 17px;
            place-items: center;
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 12px;
            transition: background var(--transition);
        }

        .scene-card:hover .scene-arrow {
            background: var(--color-primary);
        }

        .update-layout {
            display: grid;
            grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
            gap: 28px;
            align-items: stretch;
        }

        .update-feature {
            position: relative;
            min-height: 500px;
            overflow: hidden;
            background:
                linear-gradient(to top, rgba(11, 23, 35, 0.96), rgba(11, 23, 35, 0.1) 68%),
                url("https://images.unsplash.com/photo-1440404653325-ab127d49abc1?auto=format&fit=crop&w=1000&q=85") center/cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .update-feature-content {
            position: absolute;
            right: 0;
            bottom: 0;
            left: 0;
            padding: 34px;
            color: #ffffff;
        }

        .update-feature h3 {
            max-width: 520px;
            margin: 14px 0 0;
            font-size: clamp(27px, 3vw, 39px);
            line-height: 1.2;
        }

        .update-feature p {
            max-width: 550px;
            margin: 14px 0 0;
            color: #c8d2d8;
        }

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

        .update-item {
            display: grid;
            grid-template-columns: 58px minmax(0, 1fr) auto;
            gap: 18px;
            align-items: center;
            padding: 20px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 17px;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .update-item:hover {
            border-color: rgba(22, 163, 148, 0.35);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .update-number {
            display: grid;
            width: 52px;
            height: 52px;
            place-items: center;
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border-radius: 15px;
            font-size: 17px;
            font-weight: 900;
        }

        .update-item h3 {
            margin: 0;
            color: var(--color-dark);
            font-size: 17px;
        }

        .update-item p {
            margin: 5px 0 0;
            color: var(--color-muted);
            font-size: 13px;
        }

        .update-type {
            padding: 6px 10px;
            color: var(--color-secondary);
            background: var(--color-secondary-soft);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 800;
            white-space: nowrap;
        }

        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .standard-card {
            position: relative;
            padding: 28px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-md);
            transition: background var(--transition), transform var(--transition);
        }

        .standard-card:hover {
            background: rgba(255, 255, 255, 0.095);
            transform: translateY(-4px);
        }

        .standard-number {
            position: absolute;
            top: 10px;
            right: 18px;
            color: rgba(255, 255, 255, 0.08);
            font-size: 68px;
            font-weight: 900;
            line-height: 1;
        }

        .standard-icon {
            display: grid;
            width: 46px;
            height: 46px;
            place-items: center;
            color: #8cf0e4;
            background: rgba(22, 163, 148, 0.13);
            border: 1px solid rgba(116, 223, 211, 0.15);
            border-radius: 14px;
        }

        .standard-icon svg {
            width: 22px;
            height: 22px;
        }

        .standard-card h3 {
            position: relative;
            margin: 22px 0 0;
            color: #ffffff;
            font-size: 20px;
        }

        .standard-card p {
            position: relative;
            margin: 10px 0 0;
            color: #aebbc5;
            font-size: 14px;
        }

        .process-line {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            margin-top: 46px;
        }

        .process-step {
            position: relative;
            padding-right: 28px;
        }

        .process-step:not(:last-child)::after {
            position: absolute;
            top: 15px;
            right: 14px;
            left: 38px;
            height: 1px;
            content: "";
            background: rgba(255, 255, 255, 0.14);
        }

        .process-dot {
            position: relative;
            z-index: 2;
            width: 30px;
            height: 30px;
            background: var(--color-dark);
            border: 7px solid var(--color-primary);
            border-radius: 50%;
            box-shadow: 0 0 0 5px rgba(22, 163, 148, 0.12);
        }

        .process-step h4 {
            margin: 18px 0 0;
            color: #ffffff;
            font-size: 15px;
        }

        .process-step p {
            margin: 6px 0 0;
            color: #91a2ad;
            font-size: 13px;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: minmax(260px, 0.68fr) minmax(0, 1.32fr);
            gap: 58px;
            align-items: start;
        }

        .faq-aside {
            position: sticky;
            top: calc(var(--header-height) + 26px);
        }

        .faq-aside-card {
            margin-top: 26px;
            padding: 24px;
            background: var(--color-primary-soft);
            border: 1px solid rgba(22, 163, 148, 0.18);
            border-radius: var(--radius-md);
        }

        .faq-aside-card strong {
            display: block;
            color: var(--color-primary-dark);
            font-size: 16px;
        }

        .faq-aside-card p {
            margin: 8px 0 0;
            color: var(--color-muted);
            font-size: 13px;
        }

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

        .faq-item {
            overflow: hidden;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.open {
            border-color: rgba(22, 163, 148, 0.4);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            width: 100%;
            align-items: center;
            justify-content: space-between;
            gap: 22px;
            padding: 21px 22px;
            cursor: pointer;
            color: var(--color-dark);
            background: transparent;
            text-align: left;
            font-weight: 800;
        }

        .faq-question:hover {
            color: var(--color-primary-dark);
        }

        .faq-toggle {
            position: relative;
            display: grid;
            flex: 0 0 auto;
            width: 32px;
            height: 32px;
            place-items: center;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: 10px;
        }

        .faq-toggle::before,
        .faq-toggle::after {
            position: absolute;
            width: 12px;
            height: 2px;
            content: "";
            background: var(--color-dark);
            border-radius: var(--radius-pill);
            transition: transform var(--transition);
        }

        .faq-toggle::after {
            transform: rotate(90deg);
        }

        .faq-item.open .faq-toggle::after {
            transform: rotate(0);
        }

        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 240ms ease;
        }

        .faq-item.open .faq-answer {
            grid-template-rows: 1fr;
        }

        .faq-answer-inner {
            overflow: hidden;
        }

        .faq-answer p {
            margin: 0;
            padding: 0 22px 22px;
            color: var(--color-muted);
        }

        .cta-wrap {
            padding: 0 0 92px;
        }

        .cta {
            position: relative;
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            gap: 40px;
            align-items: center;
            overflow: hidden;
            padding: 52px 56px;
            color: #ffffff;
            background:
                radial-gradient(circle at 80% 0, rgba(116, 223, 211, 0.18), transparent 22rem),
                var(--color-primary-dark);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }

        .cta::after {
            position: absolute;
            right: -60px;
            bottom: -100px;
            width: 280px;
            height: 280px;
            content: "";
            border: 42px solid rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .cta-label {
            display: inline-flex;
            padding: 7px 11px;
            color: #d6fffa;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 800;
        }

        .cta h2 {
            margin: 16px 0 0;
            font-size: clamp(30px, 4vw, 48px);
            line-height: 1.16;
            letter-spacing: -0.04em;
        }

        .cta p {
            margin: 14px 0 0;
            color: #c8f0eb;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: flex-end;
        }

        .site-footer {
            color: #bac6ce;
            background: var(--color-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-main {
            display: grid;
            grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.6fr);
            gap: 70px;
            padding: 64px 0 42px;
        }

        .footer-brand .brand {
            justify-content: flex-start;
        }

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

        .footer-brand .brand-subtitle {
            color: #82939e;
        }

        .footer-copy {
            max-width: 650px;
            margin: 22px 0 0;
            color: #93a4af;
            font-size: 14px;
        }

        .footer-notice {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-top: 24px;
            padding: 16px;
            color: #aebbc5;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            font-size: 13px;
        }

        .notice-icon {
            display: grid;
            flex: 0 0 auto;
            width: 30px;
            height: 30px;
            place-items: center;
            color: #8cf0e4;
            background: rgba(22, 163, 148, 0.13);
            border-radius: 9px;
        }

        .footer-panel {
            padding: 24px;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
        }

        .footer-panel h3 {
            margin: 0;
            color: #ffffff;
            font-size: 16px;
        }

        .footer-panel p {
            margin: 9px 0 0;
            color: #93a4af;
            font-size: 13px;
        }

        .footer-home-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 20px;
            padding: 13px 15px;
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            font-size: 14px;
            font-weight: 800;
            transition: background var(--transition), border-color var(--transition);
        }

        .footer-home-link:hover {
            background: rgba(22, 163, 148, 0.16);
            border-color: rgba(116, 223, 211, 0.25);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 22px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
        }

        .footer-bottom a {
            color: #8cf0e4;
        }

        .footer-bottom a:hover {
            color: #ffffff;
        }

        .toast {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 300;
            max-width: min(360px, calc(100% - 48px));
            padding: 14px 18px;
            color: #ffffff;
            background: var(--color-dark);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 13px;
            box-shadow: var(--shadow-lg);
            opacity: 0;
            transform: translateY(18px);
            pointer-events: none;
            transition: opacity var(--transition), transform var(--transition);
        }

        .toast.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @keyframes statusPulse {
            0% {
                opacity: 0.8;
                transform: scale(0.7);
            }
            70%,
            100% {
                opacity: 0;
                transform: scale(1.35);
            }
        }

        @media (max-width: 1080px) {
            .hero-grid {
                grid-template-columns: minmax(0, 1fr) 420px;
                gap: 38px;
            }

            .content-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

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

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

            .side-insight {
                display: grid;
                grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr);
                gap: 30px;
            }

            .insight-points {
                margin: 0;
            }

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

            .update-feature {
                min-height: 430px;
            }
        }

        @media (max-width: 900px) {
            :root {
                --header-height: 72px;
            }

            .container {
                width: min(calc(100% - 32px), var(--container));
            }

            .section {
                padding: 74px 0;
            }

            .header-inner {
                grid-template-columns: 48px minmax(0, 1fr) 48px;
            }

            .nav-left,
            .nav-right .update-status {
                display: none;
            }

            .nav-right {
                justify-content: flex-end;
            }

            .header-action {
                display: none;
            }

            .menu-toggle {
                display: block;
                grid-column: 1;
                grid-row: 1;
            }

            .brand {
                grid-column: 2;
                grid-row: 1;
            }

            .brand-name {
                font-size: 17px;
            }

            .brand-subtitle {
                display: none;
            }

            .mobile-menu {
                position: fixed;
                top: var(--header-height);
                right: 0;
                left: 0;
                display: block;
                padding: 12px 16px 20px;
                background: rgba(255, 255, 255, 0.98);
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-md);
                opacity: 0;
                transform: translateY(-12px);
                visibility: hidden;
                transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            }

            .mobile-menu.open {
                opacity: 1;
                transform: translateY(0);
                visibility: visible;
            }

            .mobile-menu .nav-link {
                display: flex;
                width: 100%;
                justify-content: center;
                color: var(--color-primary-dark);
                background: var(--color-primary-soft);
            }

            .hero {
                padding-top: 60px;
            }

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

            .hero-copy {
                text-align: center;
            }

            .hero-description,
            .hero-search {
                margin-right: auto;
                margin-left: auto;
            }

            .hero-actions,
            .quick-topics {
                justify-content: center;
            }

            .hero-panel {
                max-width: 640px;
                margin: 0 auto;
            }

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

            .kpi-item:nth-child(2)::after {
                display: none;
            }

            .kpi-item:nth-child(-n + 2) {
                border-bottom: 1px solid var(--color-border);
            }

            .ranking-row {
                grid-template-columns: 38px minmax(140px, 1fr) 100px 64px;
            }

            .ranking-row > :nth-child(4) {
                display: none;
            }

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

            .process-line {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px 0;
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .faq-aside {
                position: static;
            }

            .cta {
                grid-template-columns: 1fr;
                padding: 44px;
            }

            .cta-actions {
                justify-content: flex-start;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 680px) {
            .section-header {
                display: block;
            }

            .section-header .text-link {
                margin-top: 18px;
            }

            .hero h1 {
                font-size: clamp(38px, 12vw, 56px);
            }

            .hero-search {
                display: grid;
                grid-template-columns: 44px minmax(0, 1fr);
            }

            .hero-search .button {
                grid-column: 1 / -1;
                width: 100%;
                margin-top: 4px;
            }

            .panel-metrics {
                grid-template-columns: 1fr;
            }

            .panel-metric {
                display: flex;
                align-items: center;
                justify-content: space-between;
            }

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

            .side-insight {
                display: block;
            }

            .side-insight .insight-points {
                margin: 28px 0;
            }

            .ranking-row {
                grid-template-columns: 36px minmax(130px, 1fr) 64px;
            }

            .ranking-row > :nth-child(3),
            .ranking-header > :nth-child(3) {
                display: none;
            }

            .update-item {
                grid-template-columns: 52px minmax(0, 1fr);
            }

            .update-type {
                grid-column: 2;
                justify-self: start;
            }

            .process-line {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .process-step {
                display: grid;
                grid-template-columns: 36px minmax(0, 1fr);
                padding-right: 0;
                column-gap: 14px;
            }

            .process-step:not(:last-child)::after {
                top: 32px;
                right: auto;
                bottom: -24px;
                left: 14px;
                width: 1px;
                height: auto;
            }

            .process-step h4 {
                margin: 3px 0 0;
            }

            .process-step p {
                grid-column: 2;
            }

            .cta {
                padding: 36px 28px;
            }

            .cta-actions {
                display: grid;
            }

            .footer-bottom {
                display: block;
                text-align: center;
            }

            .footer-bottom span {
                display: block;
            }

            .footer-bottom span + span {
                margin-top: 8px;
            }
        }

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

            .section {
                padding: 62px 0;
            }

            .section-title {
                font-size: 30px;
            }

            .brand-mark {
                width: 38px;
                height: 38px;
                border-radius: 12px;
            }

            .brand-name {
                max-width: 190px;
                font-size: 16px;
            }

            .hero {
                padding: 48px 0 58px;
            }

            .hero-badge {
                font-size: 12px;
            }

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

            .quick-label {
                width: 100%;
            }

            .hero-panel {
                padding: 14px;
                border-radius: 24px;
            }

            .featured-visual {
                min-height: 330px;
            }

            .featured-content {
                padding: 20px;
            }

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

            .kpi-item {
                padding: 22px;
                border-bottom: 1px solid var(--color-border);
            }

            .kpi-item:last-child {
                border-bottom: 0;
            }

            .kpi-item::after {
                display: none;
            }

            .dashboard-card {
                padding: 18px 12px;
            }

            .ranking-row {
                gap: 8px;
                padding-right: 6px;
                padding-left: 6px;
            }

            .update-feature {
                min-height: 460px;
            }

            .update-feature-content {
                padding: 26px;
            }

            .update-item {
                padding: 16px;
            }

            .faq-question {
                padding: 18px;
            }

            .faq-answer p {
                padding: 0 18px 18px;
            }

            .footer-main {
                padding-top: 50px;
            }

            .toast {
                right: 12px;
                bottom: 12px;
                max-width: calc(100% - 24px);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                scroll-behavior: auto !important;
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }