/* roulang page: index */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-soft: #eef5ff;
            --secondary: #0f9f8f;
            --accent: #f97360;
            --background: #f7fafc;
            --surface: #ffffff;
            --heading: #172033;
            --text: #475569;
            --muted: #64748b;
            --border: #dce6f2;
            --radius: 8px;
            --shadow: 0 12px 36px rgba(51, 78, 112, .09);
            --shadow-hover: 0 18px 44px rgba(37, 99, 235, .13);
            --transition: 200ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        body {
            margin: 0;
            min-width: 320px;
            overflow-x: hidden;
            background: var(--background);
            color: var(--text);
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0;
            text-rendering: optimizeLegibility;
        }

        body.menu-open {
            overflow: hidden;
        }

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

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

        button, input, select, textarea {
            margin: 0;
            color: inherit;
            font: inherit;
            letter-spacing: 0;
        }

        button, select {
            cursor: pointer;
        }

        button:disabled, input:disabled, select:disabled, textarea:disabled {
            cursor: not-allowed;
            opacity: .55;
        }

        :focus-visible {
            outline: 3px solid rgba(37, 99, 235, .28);
            outline-offset: 3px;
        }

        ::selection {
            background: #dbeafe;
            color: #172033;
        }

        .site-container {
            width: min(1240px, calc(100% - 48px));
            margin-inline: auto;
        }

        .section-space {
            padding-block: 96px;
        }

        .section-heading {
            color: var(--heading);
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
        }

        .section-copy {
            max-width: 720px;
            margin-top: 16px;
            color: var(--text);
            font-size: 17px;
        }

        .site-header {
            position: sticky;
            z-index: 50;
            top: 0;
            border-bottom: 1px solid rgba(220, 230, 242, .95);
            background: rgba(255, 255, 255, .97);
            box-shadow: 0 4px 18px rgba(51, 78, 112, .05);
        }

        .nav-shell {
            display: flex;
            min-height: 72px;
            align-items: center;
            gap: 28px;
        }

        .brand-mark {
            display: inline-flex;
            flex: 0 1 auto;
            align-items: center;
            gap: 11px;
            min-width: 0;
            color: var(--heading);
            font-size: 17px;
            font-weight: 800;
            line-height: 1.3;
        }

        .brand-symbol {
            display: grid;
            width: 34px;
            height: 34px;
            flex: 0 0 34px;
            place-items: center;
            border: 1px solid #bfdbfe;
            border-radius: 7px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 15px;
            font-weight: 900;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }

        .nav-link, .mega-trigger {
            display: inline-flex;
            min-height: 42px;
            align-items: center;
            justify-content: center;
            gap: 7px;
            padding: 8px 14px;
            border: 1px solid transparent;
            border-radius: 7px;
            background: transparent;
            color: #334155;
            font-size: 15px;
            font-weight: 650;
            transition: color var(--transition), background var(--transition), border-color var(--transition);
        }

        .nav-link:hover, .mega-trigger:hover,
        .mega-trigger[aria-expanded="true"] {
            border-color: #dbeafe;
            background: #f1f6ff;
            color: var(--primary-dark);
        }

        .nav-link.active {
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-weight: 750;
        }

        .mega-wrap {
            position: relative;
        }

        .mega-arrow {
            display: inline-block;
            font-size: 12px;
            transition: transform var(--transition);
        }

        .mega-trigger[aria-expanded="true"] .mega-arrow {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: min(780px, calc(100vw - 48px));
            padding: 24px;
            visibility: hidden;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: var(--surface);
            box-shadow: 0 24px 64px rgba(51, 78, 112, .16);
            opacity: 0;
            transform: translateY(-5px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
        }

        .mega-wrap::after {
            position: absolute;
            top: 100%;
            right: 0;
            width: 100%;
            height: 14px;
            content: "";
        }

        .mega-wrap:hover .mega-panel,
        .mega-wrap:focus-within .mega-panel,
        .mega-panel.open {
            visibility: visible;
            opacity: 1;
            transform: translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1.1fr 1.4fr .9fr;
            gap: 24px;
        }

        .mega-title {
            margin-bottom: 10px;
            color: var(--muted);
            font-size: 12px;
            font-weight: 800;
        }

        .mega-item {
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid #edf2f7;
            color: var(--heading);
            font-size: 14px;
            font-weight: 700;
            transition: color var(--transition);
        }

        .mega-item:hover {
            color: var(--primary);
        }

        .mega-note {
            margin-top: 4px;
            color: var(--muted);
            font-size: 12px;
            font-weight: 500;
        }

        .header-action {
            display: inline-flex;
            min-height: 42px;
            align-items: center;
            padding: 8px 15px;
            border: 1px solid #bfdbfe;
            border-radius: 7px;
            background: #fff;
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 750;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .header-action:hover {
            background: var(--primary-soft);
            box-shadow: 0 8px 20px rgba(37, 99, 235, .1);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            margin-left: auto;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 7px;
            background: #fff;
            color: var(--heading);
            font-size: 21px;
        }

        .mobile-menu {
            display: none;
            padding: 12px 0 20px;
            border-top: 1px solid var(--border);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-link {
            display: flex;
            min-height: 48px;
            align-items: center;
            justify-content: space-between;
            padding: 10px 12px;
            border-radius: 7px;
            color: var(--heading);
            font-weight: 700;
        }

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

        .mobile-group {
            margin-top: 8px;
            padding: 12px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: #fbfdff;
        }

        .notice-strip {
            border-bottom: 1px solid #cfe0f6;
            background: #eef5ff;
        }

        .notice-inner {
            display: flex;
            min-height: 42px;
            align-items: center;
            justify-content: center;
            gap: 12px;
            color: #24466f;
            font-size: 13px;
            font-weight: 650;
            text-align: center;
        }

        .notice-badge {
            padding: 2px 8px;
            border-radius: 5px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 800;
        }

        .hero {
            position: relative;
            display: flex;
            min-height: min(790px, 79vh);
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
            background: #dce9f7;
        }

        .hero-scene {
            position: absolute;
            inset: 0;
            overflow: hidden;
            background: #a8bfd6;
        }

        .scene-panel {
            position: absolute;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .48);
            background: #6d88a1;
            box-shadow: 0 22px 55px rgba(23, 32, 51, .23);
        }

        .scene-panel::before,
        .scene-panel::after {
            position: absolute;
            content: "";
        }

        .scene-a {
            top: 8%;
            right: 7%;
            width: 31%;
            height: 74%;
            background: #75927d;
        }

        .scene-a::before {
            top: 9%;
            left: 12%;
            width: 46%;
            height: 72%;
            border-radius: 48% 48% 12% 12%;
            background: #d9cab5;
        }

        .scene-a::after {
            right: 8%;
            bottom: 8%;
            width: 58%;
            height: 34%;
            background: #b5c7d7;
        }

        .scene-b {
            top: 17%;
            right: 32%;
            width: 23%;
            height: 54%;
            background: #b7a08d;
        }

        .scene-b::before {
            top: 12%;
            right: 12%;
            width: 43%;
            height: 60%;
            border-radius: 48% 48% 14% 14%;
            background: #e6d8c9;
        }

        .scene-b::after {
            bottom: 0;
            left: 0;
            width: 100%;
            height: 32%;
            background: #52768f;
        }

        .scene-c {
            right: -3%;
            bottom: -12%;
            width: 42%;
            height: 43%;
            background: #758da5;
        }

        .scene-c::before {
            top: 12%;
            left: 8%;
            width: 38%;
            height: 48%;
            background: #d3a276;
        }

        .scene-c::after {
            right: 10%;
            bottom: 12%;
            width: 34%;
            height: 50%;
            background: #cedae3;
        }

        .scene-caption {
            position: absolute;
            right: 7%;
            bottom: 7%;
            z-index: 2;
            max-width: 300px;
            padding: 12px 16px;
            border-left: 3px solid #fff;
            background: rgba(23, 32, 51, .76);
            color: #fff;
            font-size: 13px;
            line-height: 1.6;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: rgba(16, 34, 55, .58);
        }

        .hero-content {
            position: relative;
            z-index: 3;
            width: min(770px, 70%);
            padding-block: 70px;
            color: #fff;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 22px;
            color: #eff6ff;
            font-size: 14px;
            font-weight: 750;
        }

        .hero-kicker::before {
            width: 30px;
            height: 3px;
            background: #60a5fa;
            content: "";
        }

        .hero h1 {
            max-width: 760px;
            margin: 0;
            color: #fff;
            font-size: 52px;
            font-weight: 850;
            line-height: 1.14;
            text-wrap: balance;
        }

        .hero-description {
            max-width: 680px;
            margin-top: 24px;
            color: #edf5ff;
            font-size: 18px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 30px;
        }

        .btn {
            display: inline-flex;
            min-height: 48px;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 20px;
            border: 1px solid transparent;
            border-radius: 7px;
            font-weight: 750;
            line-height: 1.4;
            transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

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

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

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 10px 24px rgba(37, 99, 235, .24);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 14px 28px rgba(37, 99, 235, .3);
        }

        .btn-light {
            border-color: rgba(255, 255, 255, .72);
            background: rgba(255, 255, 255, .95);
            color: var(--heading);
        }

        .btn-light:hover {
            background: #fff;
            border-color: #fff;
        }

        .btn-outline {
            border-color: #bfdbfe;
            background: #fff;
            color: var(--primary-dark);
        }

        .btn-outline:hover {
            border-color: #93c5fd;
            background: var(--primary-soft);
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            margin-top: 38px;
            border-top: 1px solid rgba(255, 255, 255, .28);
            border-bottom: 1px solid rgba(255, 255, 255, .28);
        }

        .hero-meta-item {
            min-width: 180px;
            padding: 14px 24px 14px 0;
            color: #dcecff;
            font-size: 13px;
        }

        .hero-meta-item + .hero-meta-item {
            padding-left: 24px;
            border-left: 1px solid rgba(255, 255, 255, .28);
        }

        .hero-meta strong {
            display: block;
            color: #fff;
            font-size: 15px;
        }

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

        .card:hover {
            border-color: #bfdbfe;
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .media-placeholder {
            position: relative;
            overflow: hidden;
            background: #d7e2ec;
        }

        .media-placeholder::before,
        .media-placeholder::after {
            position: absolute;
            content: "";
        }

        .media-placeholder::before {
            width: 43%;
            height: 72%;
            border-radius: 48% 48% 10% 10%;
            background: #dfc8b5;
        }

        .media-placeholder::after {
            background: #7893aa;
        }

        .media-japan {
            background: #b9d0c1;
        }

        .media-japan::before {
            top: 9%;
            left: 19%;
        }

        .media-japan::after {
            right: 0;
            bottom: 0;
            width: 48%;
            height: 45%;
        }

        .media-korea {
            background: #c8d7e7;
        }

        .media-korea::before {
            top: 13%;
            right: 17%;
        }

        .media-korea::after {
            bottom: 0;
            left: 0;
            width: 52%;
            height: 37%;
            background: #879bad;
        }

        .media-europe {
            background: #cbbda9;
        }

        .media-europe::before {
            top: 8%;
            left: 14%;
        }

        .media-europe::after {
            right: 0;
            bottom: 0;
            width: 57%;
            height: 48%;
            background: #6f8796;
        }

        .media-america {
            background: #aabed0;
        }

        .media-america::before {
            top: 12%;
            right: 16%;
        }

        .media-america::after {
            bottom: 0;
            left: 0;
            width: 58%;
            height: 42%;
            background: #846f68;
        }

        .tag {
            display: inline-flex;
            min-height: 26px;
            align-items: center;
            padding: 3px 8px;
            border: 1px solid #cfe0f6;
            border-radius: 5px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 750;
        }

        .tag-teal {
            border-color: #bce8e1;
            background: #ecfdf9;
            color: #087e72;
        }

        .tag-coral {
            border-color: #ffd3ca;
            background: #fff2ef;
            color: #c94f3c;
        }

        .service-layout {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 34px;
            margin-top: 44px;
            align-items: stretch;
        }

        .feature-entry {
            overflow: hidden;
        }

        .feature-entry .media-placeholder {
            aspect-ratio: 16 / 9;
        }

        .feature-body {
            padding: 26px;
        }

        .feature-body h3 {
            margin: 13px 0 8px;
            color: var(--heading);
            font-size: 24px;
            font-weight: 800;
            line-height: 1.35;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            margin-top: 15px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 800;
        }

        .text-link:hover {
            color: var(--primary-dark);
        }

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

        .compact-item {
            display: grid;
            grid-template-columns: 148px minmax(0, 1fr);
            gap: 18px;
            min-height: 126px;
            padding: 14px;
        }

        .compact-item .media-placeholder {
            width: 148px;
            aspect-ratio: 16 / 9;
            align-self: center;
            border-radius: 6px;
        }

        .compact-content {
            align-self: center;
            min-width: 0;
        }

        .compact-content h3 {
            display: -webkit-box;
            overflow: hidden;
            margin: 6px 0;
            color: var(--heading);
            font-size: 18px;
            font-weight: 780;
            line-height: 1.4;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
        }

        .item-meta {
            color: var(--muted);
            font-size: 13px;
        }

        .data-band {
            padding-block: 58px;
            border-top: 1px solid #d8e7fa;
            border-bottom: 1px solid #d8e7fa;
            background: var(--primary-soft);
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
        }

        .data-item {
            padding: 4px 32px;
        }

        .data-item + .data-item {
            border-left: 1px solid #c8dbf3;
        }

        .data-value {
            color: var(--heading);
            font-size: 31px;
            font-weight: 850;
            line-height: 1.2;
        }

        .data-label {
            margin-top: 8px;
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 800;
        }

        .data-note {
            margin-top: 5px;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.55;
        }

        .editorial-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
            margin-top: 44px;
        }

        .editorial-main {
            overflow: hidden;
        }

        .editorial-main .media-placeholder {
            aspect-ratio: 16 / 9;
        }

        .editorial-body {
            padding: 28px;
        }

        .editorial-body h3 {
            margin: 13px 0 10px;
            color: var(--heading);
            font-size: 27px;
            font-weight: 820;
            line-height: 1.35;
        }

        .editorial-side {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .vertical-entry {
            overflow: hidden;
        }

        .vertical-entry .media-placeholder {
            aspect-ratio: 3 / 4;
        }

        .vertical-body {
            padding: 19px;
        }

        .vertical-body h3 {
            display: -webkit-box;
            overflow: hidden;
            margin: 10px 0 7px;
            color: var(--heading);
            font-size: 19px;
            font-weight: 800;
            line-height: 1.45;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
        }

        .info-section {
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            background: #fff;
        }

        .info-layout {
            display: grid;
            grid-template-columns: 7fr 4fr;
            gap: 64px;
        }

        .headline-list {
            margin-top: 34px;
            border-top: 1px solid var(--border);
        }

        .headline-item {
            display: grid;
            grid-template-columns: 108px 1fr auto;
            gap: 18px;
            align-items: center;
            min-height: 94px;
            padding: 17px 0;
            border-bottom: 1px solid var(--border);
        }

        .headline-date {
            color: var(--muted);
            font-size: 13px;
        }

        .headline-title {
            color: var(--heading);
            font-size: 17px;
            font-weight: 750;
            line-height: 1.5;
        }

        .headline-title:hover {
            color: var(--primary);
        }

        .info-aside {
            align-self: start;
            padding: 28px;
            border-left: 4px solid var(--primary);
            background: var(--primary-soft);
        }

        .info-aside h3 {
            color: var(--heading);
            font-size: 22px;
            font-weight: 820;
        }

        .info-aside ol {
            margin: 20px 0 0;
            padding: 0;
            list-style: none;
        }

        .info-aside li {
            display: grid;
            grid-template-columns: 28px 1fr;
            gap: 12px;
            padding: 13px 0;
            border-bottom: 1px solid #d5e4f7;
            color: #334155;
            font-size: 14px;
        }

        .rank-number {
            color: var(--primary);
            font-weight: 850;
        }

        .solution-layout {
            display: grid;
            grid-template-columns: 4fr 7fr;
            gap: 80px;
            align-items: start;
        }

        .solution-intro {
            position: sticky;
            top: 112px;
        }

        .step-list {
            border-top: 1px solid var(--border);
        }

        .step-item {
            display: grid;
            grid-template-columns: 54px 1fr;
            gap: 22px;
            padding: 30px 0;
            border-bottom: 1px solid var(--border);
        }

        .step-number {
            display: grid;
            width: 44px;
            height: 44px;
            place-items: center;
            border: 1px solid #bfdbfe;
            border-radius: 7px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 15px;
            font-weight: 850;
        }

        .step-item h3 {
            color: var(--heading);
            font-size: 21px;
            font-weight: 800;
        }

        .step-item p {
            margin-top: 7px;
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
        }

        .filter-chip {
            display: inline-flex;
            min-height: 36px;
            align-items: center;
            padding: 6px 11px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: #fff;
            color: #475569;
            font-size: 13px;
            font-weight: 700;
            transition: border-color var(--transition), background var(--transition), color var(--transition);
        }

        .filter-chip:hover,
        .filter-chip.selected {
            border-color: #93c5fd;
            background: var(--primary-soft);
            color: var(--primary-dark);
        }

        .faq-section {
            border-top: 1px solid #d8e7fa;
            border-bottom: 1px solid #d8e7fa;
            background: var(--primary-soft);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 42px auto 0;
            border-top: 1px solid #c9dcf3;
        }

        .faq-item {
            border-bottom: 1px solid #c9dcf3;
        }

        .faq-question {
            display: grid;
            width: 100%;
            min-height: 74px;
            grid-template-columns: 1fr 36px;
            align-items: center;
            gap: 20px;
            padding: 18px 0;
            border: 0;
            background: transparent;
            color: var(--heading);
            text-align: left;
            font-size: 18px;
            font-weight: 780;
        }

        .faq-icon {
            display: grid;
            width: 32px;
            height: 32px;
            place-items: center;
            border: 1px solid #b8d1ef;
            border-radius: 6px;
            background: #fff;
            color: var(--primary);
            font-size: 20px;
            line-height: 1;
        }

        .faq-answer {
            display: none;
            padding: 0 56px 24px 0;
            color: var(--text);
        }

        .faq-answer.open {
            display: block;
        }

        .contact-band {
            background: #fff;
        }

        .contact-layout {
            display: grid;
            grid-template-columns: 4fr 7fr;
            gap: 80px;
            align-items: start;
        }

        .contact-notes {
            margin-top: 28px;
            padding: 0;
            list-style: none;
        }

        .contact-notes li {
            position: relative;
            padding: 10px 0 10px 24px;
            color: #334155;
        }

        .contact-notes li::before {
            position: absolute;
            top: 19px;
            left: 2px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            content: "";
        }

        .feedback-form {
            padding: 30px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .form-field {
            min-width: 0;
        }

        .form-field.full {
            grid-column: 1 / -1;
        }

        .form-label {
            display: block;
            margin-bottom: 7px;
            color: var(--heading);
            font-size: 14px;
            font-weight: 750;
        }

        .form-control {
            width: 100%;
            min-height: 46px;
            padding: 10px 13px;
            border: 1px solid #cbd8e6;
            border-radius: 7px;
            background: #fff;
            color: var(--heading);
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .form-control:hover {
            border-color: #9fb8d4;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
            outline: 0;
        }

        .form-control[aria-invalid="true"] {
            border-color: #dc4c4c;
            background: #fffafa;
        }

        textarea.form-control {
            min-height: 132px;
            resize: vertical;
        }

        .form-hint {
            margin-top: 6px;
            color: var(--muted);
            font-size: 12px;
        }

        .check-row {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .check-row input {
            width: 18px;
            height: 18px;
            margin-top: 4px;
            accent-color: var(--primary);
        }

        .form-status {
            display: none;
            margin-top: 18px;
            padding: 11px 13px;
            border: 1px solid #a7ded5;
            border-radius: 6px;
            background: #edfcf8;
            color: #08766c;
            font-size: 14px;
        }

        .form-status.show {
            display: block;
        }

        .site-footer {
            padding: 64px 0 24px;
            border-top: 1px solid var(--border);
            background: #f8fbff;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.7fr 1fr 1fr;
            gap: 70px;
        }

        .footer-brand {
            color: var(--heading);
            font-size: 18px;
            font-weight: 850;
        }

        .footer-description {
            max-width: 440px;
            margin-top: 14px;
            color: var(--muted);
            font-size: 14px;
        }

        .footer-title {
            margin-bottom: 15px;
            color: var(--heading);
            font-size: 14px;
            font-weight: 800;
        }

        .footer-links {
            display: grid;
            gap: 10px;
        }

        .footer-link {
            width: fit-content;
            color: var(--muted);
            font-size: 14px;
            transition: color var(--transition);
        }

        .footer-link:hover {
            color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 24px;
            margin-top: 48px;
            padding-top: 22px;
            border-top: 1px solid var(--border);
            color: var(--muted);
            font-size: 12px;
        }

        @media (max-width: 1023px) {
            .site-container {
                width: min(100% - 40px, 940px);
            }

            .section-space {
                padding-block: 76px;
            }

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

            .mobile-toggle {
                display: inline-flex;
            }

            .hero {
                min-height: 720px;
            }

            .hero-content {
                width: 80%;
            }

            .hero h1 {
                font-size: 44px;
            }

            .scene-a {
                right: -2%;
                width: 40%;
            }

            .scene-b {
                right: 30%;
            }

            .service-layout,
            .editorial-grid,
            .solution-layout,
            .contact-layout,
            .info-layout {
                grid-template-columns: 1fr;
                gap: 42px;
            }

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

            .compact-item {
                grid-template-columns: 112px minmax(0, 1fr);
            }

            .compact-item .media-placeholder {
                width: 112px;
            }

            .solution-intro {
                position: static;
            }

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 34px;
            }
        }

        @media (max-width: 767px) {
            .site-container {
                width: calc(100% - 32px);
            }

            .section-space {
                padding-block: 58px;
            }

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

            .section-copy {
                font-size: 16px;
            }

            .nav-shell {
                min-height: 64px;
                gap: 12px;
            }

            .brand-mark {
                max-width: calc(100% - 58px);
                font-size: 15px;
            }

            .brand-symbol {
                width: 32px;
                height: 32px;
                flex-basis: 32px;
            }

            .notice-inner {
                align-items: flex-start;
                padding-block: 9px;
                line-height: 1.5;
            }

            .notice-badge {
                flex: 0 0 auto;
            }

            .hero {
                min-height: 680px;
                align-items: flex-end;
            }

            .hero-content {
                width: 100%;
                padding: 72px 0 54px;
            }

            .hero h1 {
                font-size: 34px;
                line-height: 1.2;
            }

            .hero-description {
                font-size: 16px;
                line-height: 1.8;
            }

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

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

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

            .hero-meta-item {
                min-width: 0;
                padding: 12px 14px 12px 0;
            }

            .hero-meta-item + .hero-meta-item {
                padding-left: 14px;
            }

            .hero-meta-item:nth-child(3) {
                padding-left: 0;
                border-left: 0;
                border-top: 1px solid rgba(255, 255, 255, .28);
            }

            .scene-a {
                top: 3%;
                right: -19%;
                width: 79%;
                height: 55%;
            }

            .scene-b {
                top: 11%;
                right: 38%;
                width: 45%;
                height: 40%;
            }

            .scene-c, .scene-caption {
                display: none;
            }

            .hero-overlay {
                background: rgba(16, 34, 55, .67);
            }

            .service-layout,
            .editorial-grid,
            .contact-layout,
            .solution-layout {
                margin-top: 34px;
            }

            .compact-list,
            .editorial-side {
                grid-template-columns: 1fr;
            }

            .compact-item {
                grid-template-columns: 118px minmax(0, 1fr);
            }

            .compact-item .media-placeholder {
                width: 118px;
            }

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

            .data-item {
                padding: 22px 18px;
            }

            .data-item + .data-item {
                border-left: 0;
            }

            .data-item:nth-child(even) {
                border-left: 1px solid #c8dbf3;
            }

            .data-item:nth-child(n+3) {
                border-top: 1px solid #c8dbf3;
            }

            .vertical-entry {
                display: grid;
                grid-template-columns: 128px 1fr;
            }

            .vertical-entry .media-placeholder {
                height: 100%;
                min-height: 180px;
                aspect-ratio: auto;
            }

            .headline-item {
                grid-template-columns: 1fr auto;
                gap: 8px 14px;
            }

            .headline-date {
                grid-column: 1 / -1;
            }

            .step-item {
                grid-template-columns: 46px 1fr;
                gap: 14px;
            }

            .faq-question {
                font-size: 16px;
            }

            .faq-answer {
                padding-right: 42px;
            }

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

            .form-field.full {
                grid-column: auto;
            }

            .feedback-form {
                padding: 22px;
            }

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

            .footer-grid > :first-child {
                grid-column: 1 / -1;
            }

            .footer-bottom {
                display: grid;
            }
        }

        @media (max-width: 520px) {
            .site-container {
                width: calc(100% - 32px);
            }

            .brand-mark span:last-child {
                max-width: 205px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .hero h1 {
                font-size: 31px;
            }

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

            .hero-meta-item,
            .hero-meta-item + .hero-meta-item,
            .hero-meta-item:nth-child(3) {
                padding: 10px 0;
                border-top: 1px solid rgba(255, 255, 255, .25);
                border-left: 0;
            }

            .compact-item {
                grid-template-columns: 96px minmax(0, 1fr);
                gap: 12px;
            }

            .compact-item .media-placeholder {
                width: 96px;
            }

            .compact-content h3 {
                font-size: 16px;
            }

            .data-value {
                font-size: 26px;
            }

            .editorial-body h3 {
                font-size: 23px;
            }

            .vertical-entry {
                grid-template-columns: 108px 1fr;
            }

            .vertical-body {
                padding: 15px;
            }

            .vertical-body h3 {
                font-size: 17px;
            }

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

            .footer-grid > :first-child {
                grid-column: auto;
            }
        }

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

            *, *::before, *::after {
                transition-duration: .01ms !important;
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-soft: #eef5ff;
            --secondary: #0f9f8f;
            --accent: #f97360;
            --background: #f7fafc;
            --surface: #ffffff;
            --heading: #172033;
            --text: #475569;
            --muted: #64748b;
            --border: #dce6f2;
            --radius: 8px;
            --shadow: 0 12px 36px rgba(51, 78, 112, .09);
            --shadow-hover: 0 18px 44px rgba(37, 99, 235, .13);
            --transition: 200ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        body {
            margin: 0;
            min-width: 320px;
            overflow-x: hidden;
            background: var(--background);
            color: var(--text);
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0;
            text-rendering: optimizeLegibility;
        }

        body.menu-open {
            overflow: hidden;
        }

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

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

        button, input, select, textarea {
            margin: 0;
            color: inherit;
            font: inherit;
            letter-spacing: 0;
        }

        button, select {
            cursor: pointer;
        }

        button:disabled, input:disabled, select:disabled, textarea:disabled {
            cursor: not-allowed;
            opacity: .55;
        }

        :focus-visible {
            outline: 3px solid rgba(37, 99, 235, .28);
            outline-offset: 3px;
        }

        .site-container {
            width: min(1240px, calc(100% - 48px));
            margin-inline: auto;
        }

        .site-header {
            position: sticky;
            z-index: 50;
            top: 0;
            border-bottom: 1px solid rgba(220, 230, 242, .95);
            background: rgba(255, 255, 255, .97);
            box-shadow: 0 4px 18px rgba(51, 78, 112, .05);
        }

        .nav-shell {
            display: flex;
            min-height: 72px;
            align-items: center;
            gap: 28px;
        }

        .brand-mark {
            display: inline-flex;
            flex: 0 1 auto;
            align-items: center;
            gap: 11px;
            min-width: 0;
            color: var(--heading);
            font-size: 17px;
            font-weight: 800;
            line-height: 1.3;
        }

        .brand-symbol {
            display: grid;
            width: 34px;
            height: 34px;
            flex: 0 0 34px;
            place-items: center;
            border: 1px solid #bfdbfe;
            border-radius: 7px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 15px;
            font-weight: 900;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }

        .nav-link, .mega-trigger {
            display: inline-flex;
            min-height: 42px;
            align-items: center;
            justify-content: center;
            gap: 7px;
            padding: 8px 14px;
            border: 1px solid transparent;
            border-radius: 7px;
            background: transparent;
            color: #334155;
            font-size: 15px;
            font-weight: 650;
            transition: color var(--transition), background var(--transition), border-color var(--transition);
        }

        .nav-link:hover, .mega-trigger:hover,
        .mega-trigger[aria-expanded="true"] {
            border-color: #dbeafe;
            background: #f1f6ff;
            color: var(--primary-dark);
        }

        .nav-link.active {
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-weight: 750;
        }

        .mega-wrap {
            position: relative;
        }

        .mega-arrow {
            display: inline-block;
            font-size: 12px;
            transition: transform var(--transition);
        }

        .mega-trigger[aria-expanded="true"] .mega-arrow {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: min(780px, calc(100vw - 48px));
            padding: 24px;
            visibility: hidden;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: var(--surface);
            box-shadow: 0 24px 64px rgba(51, 78, 112, .16);
            opacity: 0;
            transform: translateY(-5px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
        }

        .mega-wrap::after {
            position: absolute;
            top: 100%;
            right: 0;
            width: 100%;
            height: 14px;
            content: "";
        }

        .mega-wrap:hover .mega-panel,
        .mega-wrap:focus-within .mega-panel,
        .mega-panel.open {
            visibility: visible;
            opacity: 1;
            transform: translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1.1fr 1.4fr .9fr;
            gap: 24px;
        }

        .mega-title {
            margin: 0 0 10px;
            color: var(--muted);
            font-size: 12px;
            font-weight: 800;
        }

        .mega-item {
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid #edf2f7;
            color: var(--heading);
            font-size: 14px;
            font-weight: 700;
            transition: color var(--transition);
        }

        .mega-item:hover {
            color: var(--primary);
        }

        .mega-note {
            display: block;
            margin-top: 4px;
            color: var(--muted);
            font-size: 12px;
            font-weight: 500;
        }

        .header-action {
            display: inline-flex;
            min-height: 42px;
            align-items: center;
            padding: 8px 15px;
            border: 1px solid #bfdbfe;
            border-radius: 7px;
            background: #fff;
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 750;
            transition: transform var(--transition), border-color var(--transition), background var(--transition);
        }

        .header-action:hover {
            border-color: var(--primary);
            background: var(--primary-soft);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            margin-left: auto;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 7px;
            background: #fff;
            color: var(--heading);
            font-size: 22px;
            line-height: 1;
        }

        .mobile-menu {
            display: none;
            padding: 0 0 18px;
            border-top: 1px solid #edf2f7;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-link, .mobile-group summary {
            display: flex;
            min-height: 48px;
            align-items: center;
            justify-content: space-between;
            padding: 9px 4px;
            border-bottom: 1px solid #edf2f7;
            color: var(--heading);
            font-weight: 700;
        }

        .mobile-link.active {
            color: var(--primary-dark);
        }

        .mobile-submenu {
            padding: 6px 0 6px 16px;
        }

        .mobile-submenu a {
            display: block;
            padding: 9px 0;
            color: var(--text);
            font-size: 14px;
        }

        .page-head {
            padding: 56px 0 48px;
            border-bottom: 1px solid var(--border);
            background: var(--primary-soft);
        }

        .breadcrumbs {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 22px;
            color: var(--muted);
            font-size: 14px;
        }

        .breadcrumbs a:hover {
            color: var(--primary-dark);
        }

        .page-head-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            align-items: end;
            gap: 64px;
        }

        .page-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 800;
        }

        .page-kicker::before {
            width: 22px;
            height: 2px;
            background: var(--primary);
            content: "";
        }

        h1 {
            max-width: 860px;
            margin: 0;
            color: var(--heading);
            font-size: 46px;
            font-weight: 850;
            line-height: 1.16;
        }

        .page-summary {
            max-width: 780px;
            margin: 18px 0 0;
            color: var(--text);
            font-size: 17px;
        }

        .head-meta {
            padding-left: 24px;
            border-left: 1px solid #bfdbfe;
        }

        .head-meta-row {
            padding: 11px 0;
            border-bottom: 1px solid #dbeafe;
        }

        .head-meta-label {
            display: block;
            color: var(--muted);
            font-size: 12px;
            font-weight: 700;
        }

        .head-meta-value {
            display: block;
            margin-top: 2px;
            color: var(--heading);
            font-size: 15px;
            font-weight: 800;
        }

        .filter-band {
            position: relative;
            z-index: 10;
            border-bottom: 1px solid var(--border);
            background: #fff;
        }

        .filter-top {
            display: flex;
            min-height: 84px;
            align-items: center;
            gap: 22px;
        }

        .filter-title {
            flex: 0 0 auto;
            color: var(--heading);
            font-size: 15px;
            font-weight: 800;
        }

        .filter-groups {
            display: flex;
            flex: 1;
            align-items: center;
            gap: 22px;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 7px;
        }

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

        .filter-chip {
            min-height: 44px;
            padding: 8px 12px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: #fff;
            color: #334155;
            font-size: 14px;
            font-weight: 700;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }

        .filter-chip:hover {
            border-color: #93c5fd;
            color: var(--primary-dark);
        }

        .filter-chip.active {
            border-color: #bfdbfe;
            background: var(--primary-soft);
            color: var(--primary-dark);
        }

        .filter-select {
            min-width: 130px;
            min-height: 44px;
            padding: 8px 34px 8px 12px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: #fff;
            color: var(--heading);
            font-size: 14px;
            font-weight: 700;
        }

        .mobile-filter-toggle {
            display: none;
            width: 100%;
            min-height: 48px;
            align-items: center;
            justify-content: space-between;
            border: 0;
            background: transparent;
            color: var(--heading);
            font-weight: 800;
        }

        .content-section {
            padding: 72px 0 88px;
        }

        .content-grid {
            display: grid;
            grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
            gap: 56px;
            align-items: start;
        }

        .list-heading-row {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 24px;
        }

        .section-heading {
            margin: 0;
            color: var(--heading);
            font-size: 32px;
            font-weight: 820;
            line-height: 1.25;
        }

        .section-copy {
            max-width: 720px;
            margin: 12px 0 0;
            color: var(--text);
            font-size: 16px;
        }

        .result-note {
            flex: 0 0 auto;
            color: var(--muted);
            font-size: 13px;
        }

        .media-list {
            display: grid;
            gap: 18px;
        }

        .media-item {
            display: grid;
            grid-template-columns: 230px minmax(0, 1fr);
            min-height: 172px;
            overflow: hidden;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: var(--surface);
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .media-item:hover {
            border-color: #bfdbfe;
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .media-visual {
            position: relative;
            display: flex;
            min-height: 172px;
            align-items: flex-end;
            overflow: hidden;
            background: #dbeafe;
            isolation: isolate;
        }

        .media-visual img {
            position: absolute;
            inset: 0;
            z-index: -1;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .media-visual::after {
            position: absolute;
            inset: auto 0 0;
            z-index: -1;
            height: 46%;
            background: rgba(23, 32, 51, .76);
            content: "";
        }

        .visual-caption {
            padding: 16px;
            color: #fff;
            font-size: 13px;
            font-weight: 750;
        }

        .visual-japan { background: #dbeafe; }
        .visual-korea { background: #d1fae5; }
        .visual-europe { background: #e2e8f0; }
        .visual-america { background: #ffedd5; }

        .media-body {
            min-width: 0;
            padding: 20px 22px;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 7px;
            margin-bottom: 9px;
        }

        .tag {
            display: inline-flex;
            min-height: 25px;
            align-items: center;
            padding: 3px 8px;
            border: 1px solid #dbeafe;
            border-radius: 5px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 800;
        }

        .tag.status {
            border-color: #a7f3d0;
            background: #ecfdf5;
            color: #047857;
        }

        .tag.notice {
            border-color: #fed7aa;
            background: #fff7ed;
            color: #c2410c;
        }

        .media-title {
            margin: 0;
            color: var(--heading);
            font-size: 21px;
            font-weight: 800;
            line-height: 1.35;
        }

        .media-summary {
            display: -webkit-box;
            margin: 8px 0 0;
            overflow: hidden;
            color: var(--text);
            font-size: 14px;
            line-height: 1.7;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
        }

        .media-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 13px;
        }

        .update-time {
            color: var(--muted);
            font-size: 12px;
        }

        .detail-link {
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 800;
        }

        .detail-link:hover {
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .editor-feature {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 230px;
            min-height: 220px;
            overflow: hidden;
            border: 1px solid #bfdbfe;
            border-radius: var(--radius);
            background: var(--primary-soft);
            box-shadow: var(--shadow);
        }

        .editor-copy {
            padding: 28px;
        }

        .editor-label {
            color: var(--accent);
            font-size: 12px;
            font-weight: 850;
        }

        .editor-feature h3 {
            margin: 9px 0 0;
            color: var(--heading);
            font-size: 24px;
            font-weight: 820;
            line-height: 1.35;
        }

        .editor-feature p {
            margin: 10px 0 18px;
            color: var(--text);
            font-size: 14px;
        }

        .editor-visual {
            position: relative;
            display: flex;
            align-items: flex-end;
            background: #bfdbfe;
            overflow: hidden;
        }

        .editor-visual img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .editor-visual span {
            position: relative;
            width: 100%;
            padding: 14px;
            background: rgba(23, 32, 51, .78);
            color: #fff;
            font-size: 13px;
            font-weight: 750;
        }

        .sidebar {
            position: sticky;
            top: 104px;
        }

        .side-section + .side-section {
            margin-top: 42px;
        }

        .side-title {
            margin: 0 0 14px;
            padding-bottom: 11px;
            border-bottom: 2px solid var(--heading);
            color: var(--heading);
            font-size: 20px;
            font-weight: 820;
        }

        .category-list {
            display: grid;
        }

        .category-link {
            display: flex;
            min-height: 52px;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            border-bottom: 1px solid var(--border);
            color: var(--heading);
            font-weight: 750;
            transition: color var(--transition), padding var(--transition);
        }

        .category-link:hover {
            padding-left: 5px;
            color: var(--primary-dark);
        }

        .category-note {
            color: var(--muted);
            font-size: 12px;
            font-weight: 600;
        }

        .ranking-list {
            margin: 0;
            padding: 0;
            list-style: none;
            counter-reset: ranking;
        }

        .ranking-item {
            display: grid;
            grid-template-columns: 30px minmax(0, 1fr);
            gap: 10px;
            padding: 15px 0;
            border-bottom: 1px solid var(--border);
            counter-increment: ranking;
        }

        .ranking-item::before {
            color: var(--primary);
            font-size: 18px;
            font-weight: 850;
            content: counter(ranking, decimal-leading-zero);
        }

        .ranking-item a {
            color: var(--heading);
            font-size: 14px;
            font-weight: 750;
            line-height: 1.5;
        }

        .ranking-item a:hover {
            color: var(--primary-dark);
        }

        .ranking-time {
            display: block;
            margin-top: 4px;
            color: var(--muted);
            font-size: 12px;
        }

        .notice-box {
            margin-top: 40px;
            padding: 22px;
            border: 1px solid #fed7aa;
            border-radius: var(--radius);
            background: #fffaf5;
        }

        .notice-box strong {
            display: block;
            color: var(--heading);
            font-size: 15px;
        }

        .notice-box p {
            margin: 8px 0 0;
            color: var(--text);
            font-size: 13px;
        }

        .pagination {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
        }

        .page-link {
            display: inline-flex;
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
            padding: 8px 13px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: #fff;
            color: var(--heading);
            font-size: 14px;
            font-weight: 750;
            transition: border-color var(--transition), background var(--transition), color var(--transition);
        }

        .page-link:hover {
            border-color: #93c5fd;
            color: var(--primary-dark);
        }

        .page-link.current {
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
        }

        .guide-band {
            padding: 76px 0;
            border-block: 1px solid var(--border);
            background: #fff;
        }

        .guide-grid {
            display: grid;
            grid-template-columns: .85fr 1.15fr;
            gap: 72px;
            align-items: start;
        }

        .guide-points {
            display: grid;
            gap: 0;
        }

        .guide-point {
            display: grid;
            grid-template-columns: 42px minmax(0, 1fr);
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
        }

        .guide-number {
            display: grid;
            width: 38px;
            height: 38px;
            place-items: center;
            border: 1px solid #bfdbfe;
            border-radius: 7px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 850;
        }

        .guide-point h3 {
            margin: 0;
            color: var(--heading);
            font-size: 18px;
            font-weight: 800;
        }

        .guide-point p {
            margin: 5px 0 0;
            color: var(--text);
            font-size: 14px;
        }

        .faq-section {
            padding: 80px 0;
            background: var(--primary-soft);
        }

        .faq-wrap {
            max-width: 860px;
            margin-inline: auto;
        }

        .faq-list {
            margin-top: 28px;
            border-top: 1px solid #cbdcf2;
        }

        .faq-item {
            border-bottom: 1px solid #cbdcf2;
        }

        .faq-question {
            display: flex;
            width: 100%;
            min-height: 68px;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 16px 0;
            border: 0;
            background: transparent;
            color: var(--heading);
            text-align: left;
            font-size: 17px;
            font-weight: 800;
        }

        .faq-icon {
            display: grid;
            width: 30px;
            height: 30px;
            flex: 0 0 30px;
            place-items: center;
            border: 1px solid #bfdbfe;
            border-radius: 6px;
            background: #fff;
            color: var(--primary-dark);
            font-size: 19px;
        }

        .faq-answer {
            display: none;
            max-width: 760px;
            padding: 0 48px 20px 0;
            color: var(--text);
            font-size: 15px;
        }

        .faq-answer.open {
            display: block;
        }

        .cta-band {
            padding: 72px 0;
            background: #fff;
        }

        .cta-shell {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: center;
            gap: 48px;
            padding: 34px 38px;
            border: 1px solid var(--border);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius);
            background: #fff;
            box-shadow: var(--shadow);
        }

        .cta-shell h2 {
            margin: 0;
            color: var(--heading);
            font-size: 28px;
            font-weight: 820;
            line-height: 1.3;
        }

        .cta-shell p {
            max-width: 720px;
            margin: 10px 0 0;
            font-size: 15px;
        }

        .button-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .button {
            display: inline-flex;
            min-height: 46px;
            align-items: center;
            justify-content: center;
            padding: 10px 18px;
            border: 1px solid var(--primary);
            border-radius: 7px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
        }

        .button:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 22px rgba(37, 99, 235, .2);
            transform: translateY(-2px);
        }

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

        .button.secondary {
            border-color: #bfdbfe;
            background: #fff;
            color: var(--primary-dark);
        }

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

        .site-footer {
            padding: 64px 0 26px;
            border-top: 1px solid var(--border);
            background: #fafdff;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr .8fr .8fr;
            gap: 64px;
        }

        .footer-brand {
            color: var(--heading);
            font-size: 19px;
            font-weight: 850;
        }

        .footer-description {
            max-width: 520px;
            margin: 14px 0 0;
            color: var(--muted);
            font-size: 14px;
        }

        .footer-title {
            margin: 0 0 14px;
            color: var(--heading);
            font-size: 15px;
            font-weight: 820;
        }

        .footer-links {
            display: grid;
            gap: 9px;
        }

        .footer-link {
            color: var(--muted);
            font-size: 14px;
            transition: color var(--transition);
        }

        .footer-link:hover {
            color: var(--primary-dark);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            margin-top: 48px;
            padding-top: 22px;
            border-top: 1px solid var(--border);
            color: var(--muted);
            font-size: 12px;
        }

        @media (max-width: 1023px) {
            .desktop-nav {
                display: none;
            }

            .mobile-toggle {
                display: inline-flex;
            }

            .page-head-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .head-meta {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                padding-left: 0;
                border-left: 0;
                border-top: 1px solid #bfdbfe;
            }

            .head-meta-row {
                padding-right: 16px;
            }

            .filter-top {
                align-items: flex-start;
                flex-direction: column;
                padding: 18px 0;
            }

            .filter-groups {
                width: 100%;
                flex-wrap: wrap;
            }

            .content-grid {
                grid-template-columns: 1fr;
                gap: 64px;
            }

            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .side-section + .side-section {
                margin-top: 0;
            }

            .notice-box {
                grid-column: 1 / -1;
                margin-top: 0;
            }

            .guide-grid {
                gap: 48px;
            }

            .footer-grid {
                grid-template-columns: 1.3fr .8fr .8fr;
                gap: 36px;
            }
        }

        @media (max-width: 767px) {
            .site-container {
                width: min(100% - 36px, 1240px);
            }

            .nav-shell {
                min-height: 64px;
            }

            .brand-mark {
                max-width: calc(100% - 58px);
                font-size: 15px;
            }

            .page-head {
                padding: 38px 0;
            }

            h1 {
                font-size: 34px;
            }

            .page-summary {
                font-size: 16px;
            }

            .head-meta {
                grid-template-columns: 1fr;
            }

            .mobile-filter-toggle {
                display: flex;
            }

            .filter-top {
                min-height: auto;
                padding: 0;
            }

            .filter-title {
                display: none;
            }

            .filter-groups {
                display: none;
                padding: 12px 0 20px;
            }

            .filter-groups.open {
                display: grid;
            }

            .filter-group {
                align-items: stretch;
                flex-wrap: wrap;
            }

            .filter-label {
                width: 100%;
            }

            .filter-chip {
                flex: 1 0 auto;
            }

            .filter-select {
                width: 100%;
            }

            .content-section {
                padding: 52px 0 64px;
            }

            .list-heading-row {
                align-items: flex-start;
                flex-direction: column;
                gap: 8px;
            }

            .section-heading {
                font-size: 28px;
            }

            .media-item {
                grid-template-columns: 1fr;
            }

            .media-visual {
                min-height: auto;
                aspect-ratio: 16 / 9;
            }

            .media-body {
                padding: 19px;
            }

            .editor-feature {
                grid-template-columns: 1fr;
            }

            .editor-visual {
                min-height: auto;
                aspect-ratio: 16 / 9;
            }

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

            .notice-box {
                grid-column: auto;
            }

            .guide-band, .faq-section, .cta-band {
                padding: 56px 0;
            }

            .guide-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .cta-shell {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 28px 24px;
            }

            .button-row, .button {
                width: 100%;
            }

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

            .footer-grid > div:first-child {
                grid-column: 1 / -1;
            }

            .footer-bottom {
                align-items: flex-start;
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .site-container {
                width: min(100% - 32px, 1240px);
            }

            .brand-symbol {
                width: 32px;
                height: 32px;
                flex-basis: 32px;
            }

            h1 {
                font-size: 31px;
            }

            .page-summary {
                font-size: 15px;
            }

            .media-title {
                font-size: 19px;
            }

            .media-footer {
                align-items: flex-start;
                flex-direction: column;
                gap: 7px;
            }

            .editor-copy {
                padding: 22px;
            }

            .editor-feature h3 {
                font-size: 21px;
            }

            .pagination {
                justify-content: flex-start;
            }

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

            .footer-grid > div:first-child {
                grid-column: auto;
            }
        }

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

            *, *::before, *::after {
                scroll-behavior: auto !important;
                transition-duration: .01ms !important;
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
            }
        }