/* roulang page: index */
:root {
            --primary: #2E5F87;
            --primary-dark: #1E4A68;
            --primary-light: #E7EEF5;
            --primary-hover-bg: #EAF1F7;
            --accent: #C79A4A;
            --accent-light: #F5EDDD;
            --bg-page: #F5F7FA;
            --bg-card: #FFFFFF;
            --text-main: #1F2A36;
            --text-secondary: #5A6B7B;
            --text-muted: #8B98A5;
            --border: #D6E0EA;
            --border-light: #E7EEF5;
            --radius-card: 8px;
            --radius-btn: 6px;
            --radius-badge: 999px;
            --shadow-sm: 0 2px 10px rgba(20, 40, 60, .06);
            --shadow-md: 0 8px 22px rgba(20, 40, 60, .12);
            --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            --font-number: "DIN Alternate", "SFMono", "Roboto Mono", monospace;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 44px;
            --container-max: 1200px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-page);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease, background-color .2s ease, border-color .2s ease;
        }
        a:hover, a:focus {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        input, select, textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ==================== Header / Nav ==================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: 0 1px 0 rgba(20,40,60,.07), 0 4px 14px rgba(20,40,60,.05);
        }
        .nav-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            min-height: 66px;
            padding: 8px 0;
            gap: 14px;
        }
        .brand-logo {
            font-size: 21px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: .02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .brand-logo a {
            color: var(--text-main);
            text-decoration: none;
        }
        .brand-logo a:hover {
            color: var(--primary);
        }
        .brand-logo .logo-accent {
            color: var(--primary);
        }
        .nav-search-box {
            display: flex;
            align-items: center;
            flex: 1 1 auto;
            max-width: 380px;
            margin: 0 12px;
        }
        .nav-search-box input {
            width: 100%;
            height: 40px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn) 0 0 var(--radius-btn);
            font-size: 14px;
            color: var(--text-main);
            background: var(--bg-page);
            transition: border-color .2s ease, box-shadow .2s ease;
            min-width: 0;
        }
        .nav-search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46,95,135,.10);
            outline: none;
        }
        .nav-search-box button {
            height: 40px;
            padding: 0 16px;
            border: 1px solid var(--primary);
            background: var(--primary);
            color: #fff;
            border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
            font-size: 14px;
            transition: background .2s ease;
            white-space: nowrap;
        }
        .nav-search-box button:hover {
            background: var(--primary-dark);
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-cta-group .btn-outline {
            height: 40px;
            padding: 0 18px;
            border: 1px solid var(--primary);
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: background .2s ease, color .2s ease;
        }
        .nav-cta-group .btn-outline:hover {
            background: var(--primary-hover-bg);
            color: var(--primary-dark);
        }
        .nav-cta-group .btn-primary {
            height: 40px;
            padding: 0 18px;
            border: 1px solid var(--primary);
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: background .2s ease;
        }
        .nav-cta-group .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .nav-row-2 {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            white-space: nowrap;
            padding: 0 0 8px 0;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }
        .nav-row-2::-webkit-scrollbar {
            height: 4px;
        }
        .nav-row-2::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        .nav-row-2::-webkit-scrollbar-track {
            background: transparent;
        }
        .tab-pill {
            display: inline-flex;
            align-items: center;
            flex-shrink: 0;
            padding: 7px 16px;
            border-radius: var(--radius-badge);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: background .2s ease, color .2s ease, border-color .2s ease;
        }
        .tab-pill:hover {
            background: var(--bg-page);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--border-light);
        }
        .tab-pill.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: rgba(46,95,135,.18);
            font-weight: 600;
        }
        .tab-pill .fa {
            margin-right: 5px;
            font-size: 13px;
            opacity: .8;
        }

        /* ==================== Hero Coupon Wall ==================== */
        .hero-coupon-wall {
            position: relative;
            background: linear-gradient(180deg, #F5F7FA 0%, #EDF2F7 42%, #F5F7FA 100%);
            padding: 56px 0 64px;
            overflow: hidden;
        }
        .hero-coupon-wall::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -100px;
            width: 420px;
            height: 420px;
            background: rgba(46,95,135,.05);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-coupon-wall::after {
            content: "";
            position: absolute;
            bottom: -140px;
            left: -120px;
            width: 380px;
            height: 380px;
            background: rgba(199,154,74,.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 48px;
            align-items: center;
        }
        .hero-copy {
            padding-right: 8px;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(46,95,135,.08);
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            margin-bottom: 18px;
        }
        .hero-eyebrow .fa {
            font-size: 11px;
        }
        .hero-copy h1 {
            font-size: 32px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 16px;
            letter-spacing: .01em;
        }
        .hero-copy h1 .highlight {
            color: var(--primary);
        }
        .hero-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0 0 26px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .hero-actions .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 26px;
            border: 1px solid var(--primary);
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
            box-shadow: 0 4px 14px rgba(46,95,135,.25);
        }
        .hero-actions .btn-primary-lg:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(46,95,135,.32);
            color: #fff;
        }
        .hero-actions .btn-ghost-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 22px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-secondary);
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            transition: border-color .2s ease, color .2s ease, background .2s ease;
        }
        .hero-actions .btn-ghost-lg:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-hover-bg);
            text-decoration: none;
        }
        .hero-quick-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .hero-stat-item {
            display: flex;
            align-items: baseline;
            gap: 6px;
        }
        .hero-stat-item .stat-num {
            font-family: var(--font-number);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
        }
        .hero-stat-item .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-coupon-side {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .coupon-wall-stage {
            position: relative;
            width: 100%;
            max-width: 400px;
            height: 360px;
        }
        .coupon-card {
            position: absolute;
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-md);
            padding: 24px 22px;
            transition: transform .25s ease, box-shadow .25s ease;
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .coupon-card:hover {
            transform: translateY(-4px) scale(1.01);
            box-shadow: 0 14px 32px rgba(20,40,60,.16);
        }
        .coupon-card-main {
            width: 280px;
            height: 300px;
            left: 0;
            top: 30px;
            z-index: 3;
            background: linear-gradient(165deg, #FFFFFF 55%, #F5F8FA 55%);
            border-left: 4px solid var(--primary);
        }
        .coupon-card-main .coupon-badge {
            position: absolute;
            top: -10px;
            right: 18px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: .04em;
        }
        .coupon-card-sub {
            width: 220px;
            height: 200px;
            right: 0;
            top: 0;
            z-index: 2;
            border-left: 3px solid var(--accent);
            opacity: .96;
        }
        .coupon-card-sub-2 {
            width: 210px;
            height: 180px;
            right: 30px;
            bottom: 10px;
            z-index: 1;
            border-left: 3px solid var(--primary-light);
            opacity: .92;
        }
        .coupon-label {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: .06em;
            font-weight: 500;
            margin-bottom: 4px;
        }
        .coupon-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 8px;
            line-height: 1.35;
        }
        .coupon-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0 0 14px;
        }
        .coupon-value {
            font-family: var(--font-number);
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .02em;
        }
        .coupon-value small {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
        }
        .coupon-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            padding: 8px 18px;
            border: 1px solid var(--primary);
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 13px;
            font-weight: 600;
            transition: background .2s ease;
        }
        .coupon-btn:hover {
            background: var(--primary-dark);
            color: #fff;
            text-decoration: none;
        }
        .coupon-card-sub .coupon-title {
            font-size: 15px;
        }
        .coupon-card-sub .coupon-value {
            font-size: 22px;
        }

        /* ==================== Section Common ==================== */
        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-head {
            margin-bottom: 36px;
            max-width: 760px;
        }
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .section-kicker::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-head h2 {
            font-size: 24px;
            line-height: 1.35;
            font-weight: 650;
            color: var(--text-main);
            margin: 0 0 12px;
            letter-spacing: .01em;
        }
        .section-head p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0;
        }
        .section-number {
            font-family: var(--font-number);
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            margin-right: 6px;
            letter-spacing: .04em;
        }

        /* ==================== Indicator Cards ==================== */
        .indicator-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .indicator-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 22px 18px;
            border: 1px solid var(--border-light);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .indicator-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: rgba(46,95,135,.18);
        }
        .indicator-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            margin-bottom: 8px;
        }
        .indicator-value {
            font-family: var(--font-number);
            font-size: 30px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.2;
        }
        .indicator-value .unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 2px;
        }
        .indicator-label {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .indicator-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
        }
        .indicator-trend .fa {
            font-size: 10px;
        }

        /* ==================== Service Matrix ==================== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 18px;
        }
        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(46,95,135,.22);
        }
        .service-card-sm { grid-column: span 4; }
        .service-card-lg { grid-column: span 8; }
        .service-card .sc-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--primary-light);
            position: relative;
            overflow: hidden;
        }
        .service-card .sc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .service-card .sc-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .sc-tag {
            display: inline-flex;
            align-self: flex-start;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: .05em;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            margin-bottom: 10px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .service-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0 0 16px;
        }
        .service-card .sc-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            transition: color .2s ease;
        }
        .service-card .sc-link:hover {
            color: var(--primary-dark);
        }
        .service-card .sc-link .fa {
            font-size: 12px;
            transition: transform .2s ease;
        }
        .service-card .sc-link:hover .fa {
            transform: translateX(3px);
        }

        /* ==================== Comparison ==================== */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }
        .comparison-col {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 24px 26px;
        }
        .comparison-col.before {
            border-top: 3px solid #B7B0A3;
        }
        .comparison-col.after {
            border-top: 3px solid var(--primary);
        }
        .comparison-col .col-title {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .05em;
            color: var(--text-muted);
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .comparison-col.after .col-title {
            color: var(--primary);
        }
        .compare-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            gap: 12px;
        }
        .compare-item:last-child {
            border-bottom: none;
        }
        .compare-item .ci-label {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .compare-item .ci-value {
            font-family: var(--font-number);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
        }
        .compare-item .ci-delta {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
        }
        .compare-summary {
            margin-top: 18px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
        }
        .compare-summary strong {
            color: var(--primary);
        }

        /* ==================== Milestone ==================== */
        .milestone-track {
            display: flex;
            gap: 0;
            overflow-x: auto;
            padding: 12px 0 8px;
            position: relative;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }
        .milestone-track::-webkit-scrollbar {
            height: 4px;
        }
        .milestone-track::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        .milestone-track::-webkit-scrollbar-track {
            background: transparent;
        }
        .milestone-item {
            flex: 0 0 180px;
            position: relative;
            padding: 0 14px 16px 0;
        }
        .milestone-item::before {
            content: "";
            position: absolute;
            top: 10px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--border-light);
            z-index: 0;
        }
        .milestone-item:first-child::before {
            left: 10px;
            width: calc(100% - 10px);
        }
        .milestone-dot {
            position: relative;
            z-index: 2;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--primary);
            margin-bottom: 12px;
            box-shadow: 0 0 0 4px rgba(46,95,135,.08);
        }
        .milestone-item.completed .milestone-dot {
            background: var(--primary);
            border-color: var(--primary);
        }
        .milestone-item.highlight .milestone-dot {
            background: var(--accent);
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(199,154,74,.15);
        }
        .milestone-num {
            font-family: var(--font-number);
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: .04em;
            margin-bottom: 4px;
        }
        .milestone-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .milestone-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ==================== News List ==================== */
        .news-list {
            display: flex;
            flex-direction: column;
            border-top: 1px solid var(--border-light);
        }
        .news-item {
            display: grid;
            grid-template-columns: 110px 1fr 180px;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: center;
            transition: background .2s ease;
        }
        .news-item:hover {
            background: rgba(247,249,251,.7);
        }
        .news-date {
            font-family: var(--font-number);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: .02em;
        }
        .news-body {
            min-width: 0;
        }
        .news-body .news-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 8px;
        }
        .news-body .news-tag {
            display: inline-flex;
            font-size: 12px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 2px 10px;
            border-radius: var(--radius-badge);
            font-weight: 500;
        }
        .news-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 6px;
            line-height: 1.45;
        }
        .news-body h3 a {
            color: var(--text-main);
            text-decoration: none;
        }
        .news-body h3 a:hover {
            color: var(--primary);
        }
        .news-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }
        .news-thumb {
            width: 180px;
            height: 100px;
            border-radius: 6px;
            overflow: hidden;
            background: var(--primary-light);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ==================== Guarantee Cards ==================== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .guarantee-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .guarantee-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .guarantee-card .g-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            margin: 0 auto 12px;
        }
        .guarantee-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 6px;
        }
        .guarantee-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ==================== Quick Q&A ==================== */
        .quick-qa-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .quick-qa-item {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 18px 20px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            box-shadow: var(--shadow-sm);
        }
        .quick-qa-item .qa-num {
            font-family: var(--font-number);
            font-size: 16px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .quick-qa-item .qa-body h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 6px;
        }
        .quick-qa-item .qa-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ==================== FAQ Accordion ==================== */
        .faq-list {
            max-width: 800px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: border-color .2s ease;
        }
        .faq-item:hover {
            border-color: rgba(46,95,135,.2);
        }
        .faq-item.open {
            border-color: rgba(46,95,135,.25);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            background: transparent;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            cursor: pointer;
            transition: background .2s ease;
        }
        .faq-question:hover {
            background: var(--bg-page);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 13px;
            transition: transform .2s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 20px;
            border-top: 1px solid transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 14px 20px 18px;
            border-top-color: var(--border-light);
        }
        .faq-answer p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ==================== Form ==================== */
        .form-card {
            background: var(--bg-card);
            border-radius: 12px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            padding: 32px 30px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .form-info {
            padding-right: 8px;
        }
        .form-info h3 {
            font-size: 20px;
            font-weight: 650;
            color: var(--text-main);
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .form-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 16px;
        }
        .form-info .form-checklist {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .form-info .form-checklist li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-main);
            padding: 5px 0;
        }
        .form-info .form-checklist li .fa {
            color: var(--primary);
            font-size: 12px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .form-body .form-row {
            margin-bottom: 14px;
        }
        .form-body label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 5px;
        }
        .form-body input,
        .form-body select {
            width: 100%;
            height: 44px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 14px;
            color: var(--text-main);
            background: #fff;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .form-body input:focus,
        .form-body select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46,95,135,.10);
            outline: none;
        }
        .form-body .btn-submit {
            width: 100%;
            height: 46px;
            border: 1px solid var(--primary);
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: background .2s ease, box-shadow .2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .form-body .btn-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(46,95,135,.25);
        }
        .form-note {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 10px;
        }

        /* ==================== Scene Navigation ==================== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }
        .scene-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 20px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
            cursor: pointer;
        }
        .scene-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: rgba(46,95,135,.2);
        }
        .scene-card .scene-icon {
            font-size: 26px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .scene-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 4px;
        }
        .scene-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ==================== Tool Cards ==================== */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .tool-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .tool-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .tool-card .tool-badge {
            display: inline-flex;
            align-self: flex-start;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 2px 10px;
            border-radius: var(--radius-badge);
            margin-bottom: 10px;
        }
        .tool-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 8px;
        }
        .tool-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 14px;
        }
        .tool-card .tool-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
        }
        .tool-card .tool-link:hover {
            color: var(--primary-dark);
        }

        /* ==================== Case Cards ==================== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .case-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .case-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .case-card .case-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--primary-light);
        }
        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-card .case-body {
            padding: 18px 20px 20px;
        }
        .case-card .case-body h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 8px;
        }
        .case-card .case-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ==================== User Feedback ==================== */
        .feedback-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .feedback-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
        }
        .feedback-card .fb-quote {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 14px;
        }
        .feedback-card .fb-meta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card .fb-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
        }
        .feedback-card .fb-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .feedback-card .fb-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ==================== Footer ==================== */
        .site-footer {
            background: #1F2A36;
            color: rgba(255,255,255,.75);
            padding: 48px 0 20px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-brand .brand-logo-footer {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: .02em;
        }
        .footer-brand .brand-logo-footer .logo-accent {
            color: #87B2D8;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,.55);
            line-height: 1.7;
            margin: 0 0 14px;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: .04em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255,255,255,.55);
            text-decoration: none;
            transition: color .2s ease;
        }
        .footer-col ul li a:hover {
            color: #87B2D8;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.12);
            padding-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: rgba(255,255,255,.45);
        }
        .footer-bottom a {
            color: rgba(255,255,255,.55);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: #87B2D8;
        }

        /* ==================== Foundation Overrides ==================== */
        .grid-x {
            margin: 0 !important;
        }
        .cell {
            padding: 0;
        }
        .accordion {
            margin: 0;
            list-style: none;
            background: transparent;
        }
        .accordion-title {
            font-size: inherit;
            border: none;
            color: inherit;
            padding: 0;
        }
        .accordion-content {
            border: none;
            background: transparent;
        }

        /* ==================== Responsive ==================== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr 340px;
                gap: 30px;
            }
            .hero-copy h1 {
                font-size: 26px;
            }
            .indicator-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .scene-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feedback-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-card-sm, .service-card-lg {
                grid-column: span 6;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .comparison-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .quick-qa-list {
                grid-template-columns: 1fr;
            }
            .form-card {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            .nav-row-1 {
                min-height: 58px;
                gap: 8px;
            }
            .brand-logo {
                font-size: 17px;
            }
            .nav-search-box {
                display: none;
            }
            .nav-cta-group .btn-outline {
                display: none;
            }
            .nav-cta-group .btn-primary {
                height: 36px;
                padding: 0 14px;
                font-size: 13px;
            }
            .hero-coupon-wall {
                padding: 36px 0 44px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-copy h1 {
                font-size: 22px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .hero-actions .btn-primary-lg, .hero-actions .btn-ghost-lg {
                height: 42px;
                padding: 0 18px;
                font-size: 14px;
            }
            .hero-quick-stats {
                gap: 14px;
                margin-top: 20px;
                padding-top: 14px;
            }
            .hero-stat-item .stat-num {
                font-size: 18px;
            }
            .hero-coupon-side {
                min-height: 300px;
            }
            .coupon-wall-stage {
                height: 300px;
                max-width: 300px;
            }
            .coupon-card-main {
                width: 200px;
                height: 240px;
                top: 20px;
            }
            .coupon-card-sub {
                width: 160px;
                height: 160px;
                top: 10px;
            }
            .coupon-card-sub-2 {
                width: 150px;
                height: 140px;
                right: 10px;
                bottom: 10px;
            }
            .coupon-title {
                font-size: 15px;
            }
            .coupon-value {
                font-size: 24px;
            }
            .coupon-card-sub .coupon-title {
                font-size: 13px;
            }
            .coupon-card-sub .coupon-value {
                font-size: 18px;
            }
            .coupon-desc {
                font-size: 12px;
            }
            .indicator-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .indicator-card {
                padding: 16px 14px;
            }
            .indicator-value {
                font-size: 24px;
            }
            .service-card-sm, .service-card-lg {
                grid-column: span 12;
            }
            .service-matrix {
                gap: 12px;
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .tool-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .case-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .news-item {
                grid-template-columns: 70px 1fr;
                gap: 12px;
                padding: 14px 0;
            }
            .news-date {
                font-size: 12px;
            }
            .news-thumb {
                display: none;
            }
            .news-body h3 {
                font-size: 14px;
            }
            .news-body p {
                font-size: 13px;
                -webkit-line-clamp: 2;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            .section {
                padding: 44px 0;
            }
            .section-head {
                margin-bottom: 24px;
            }
            .section-head h2 {
                font-size: 20px;
            }
            .section-head p {
                font-size: 14px;
            }
            .form-card {
                padding: 22px 18px;
            }
            .milestone-item {
                flex: 0 0 150px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .brand-logo {
                font-size: 15px;
            }
            .nav-cta-group .btn-primary {
                font-size: 12px;
                padding: 0 10px;
                height: 32px;
            }
            .tab-pill {
                padding: 5px 12px;
                font-size: 13px;
            }
            .hero-copy h1 {
                font-size: 19px;
            }
            .hero-desc {
                font-size: 13px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary-lg, .hero-actions .btn-ghost-lg {
                width: 100%;
                justify-content: center;
            }
            .hero-quick-stats {
                flex-direction: column;
                gap: 8px;
            }
            .indicator-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .indicator-card {
                padding: 12px 10px;
            }
            .indicator-value {
                font-size: 20px;
            }
            .indicator-label {
                font-size: 12px;
            }
            .comparison-col {
                padding: 18px 16px;
            }
            .compare-item .ci-value {
                font-size: 15px;
            }
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .guarantee-card {
                padding: 14px 12px;
            }
            .guarantee-card .g-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .tool-grid {
                grid-template-columns: 1fr;
            }
            .faq-question {
                padding: 13px 16px;
                font-size: 14px;
            }
            .faq-answer p {
                font-size: 13px;
            }
            .form-body .btn-submit {
                height: 42px;
                font-size: 14px;
            }
        }

/* roulang page: index */
:root {
            --primary: #0F4C6B;
            --primary-dark: #0A3852;
            --primary-light: #E8F1F5;
            --charcoal: #1C1C1E;
            --bg-paper: #F6F5F0;
            --bg-light-blue: #F2F4F6;
            --accent: #9B3D2E;
            --accent-light: #A55B3F;
            --line: #E2E6EA;
            --text-gray: #6B7280;
            --text-body: #2E353B;
            --white: #FFFFFF;
            --radius: 10px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 10px rgba(15,60,80,0.06);
            --shadow-md: 0 6px 20px rgba(15,60,80,0.10);
            --shadow-lg: 0 10px 26px rgba(15,60,80,0.13);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-title: Georgia, 'STSong', 'SimSun', 'Songti SC', 'Noto Serif SC', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
            --container-max: 1200px;
            --section-pad-y: 80px;
            --section-pad-y-mobile: 48px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-paper);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), box-shadow var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 15px;
            color: var(--text-body);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            background: var(--white);
            width: 100%;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15,76,107,0.12);
            outline: none;
        }

        textarea {
            min-height: 120px;
            resize: vertical;
        }

        ::selection {
            background: rgba(15,76,107,0.2);
            color: var(--charcoal);
        }

        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ Header / Navigation ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--white);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 1px 8px rgba(15,60,80,0.05);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
            flex-wrap: wrap;
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-logo {
            width: 44px;
            height: 44px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 1px;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(15,60,80,0.2);
        }

        .brand-text {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--charcoal);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .brand-text span {
            color: var(--primary);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            justify-content: flex-end;
            min-width: 200px;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            max-width: 320px;
            flex: 1;
            min-width: 160px;
        }

        .header-search input {
            padding: 9px 14px;
            font-size: 14px;
            border-radius: 20px;
            border: 1px solid var(--line);
            background: var(--bg-light-blue);
            transition: all var(--transition);
        }

        .header-search input:focus {
            background: var(--white);
            border-color: var(--primary);
        }

        .header-search button {
            background: var(--primary);
            color: var(--white);
            padding: 9px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
        }

        .header-search button:hover {
            background: var(--primary-dark);
        }

        .header-cta {
            background: var(--primary);
            color: var(--white);
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .header-cta:hover {
            background: var(--primary-dark);
            color: var(--white);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .nav-tabs {
            border-top: 1px solid var(--line);
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            white-space: nowrap;
        }

        .nav-tabs::-webkit-scrollbar {
            display: none;
        }

        .nav-tabs-inner {
            display: flex;
            gap: 4px;
            padding: 6px 0;
            min-width: max-content;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-gray);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            background: transparent;
            border: none;
            letter-spacing: 0.3px;
        }

        .nav-tab:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-tab.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
            border-bottom: 2px solid var(--primary);
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
        }

        .nav-tab:focus {
            outline-offset: -2px;
        }

        /* ============ Common Section Styles ============ */
        .mag-section {
            padding: var(--section-pad-y) 0;
            position: relative;
        }

        .mag-section--paper {
            background: var(--bg-paper);
        }

        .mag-section--light-blue {
            background: var(--bg-light-blue);
        }

        .mag-section--white {
            background: var(--white);
        }

        .mag-section--lined {
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .section-head {
            margin-bottom: 40px;
            position: relative;
        }

        .section-head--centered {
            text-align: center;
        }

        .section-kicker {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-number {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1.5px;
            margin-right: 10px;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 700;
            color: var(--charcoal);
            line-height: 1.3;
            margin: 0 0 12px 0;
            letter-spacing: 0.5px;
        }

        .section-title em {
            font-style: normal;
            color: var(--primary);
            border-bottom: 2px solid rgba(15,76,107,0.3);
        }

        .section-sub {
            font-size: 16px;
            color: var(--text-gray);
            line-height: 1.8;
            max-width: 720px;
            margin: 0;
        }

        .section-head--centered .section-sub {
            margin-left: auto;
            margin-right: auto;
        }

        .section-divider {
            height: 2px;
            background: var(--line);
            width: 60px;
            margin: 16px 0 0 0;
        }

        .section-head--centered .section-divider {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ Hero / Indicator Dashboard ============ */
        .hero-dashboard {
            position: relative;
            padding: 48px 0 56px;
            background-color: var(--bg-paper);
            overflow: hidden;
        }

        .hero-dashboard::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 100%;
            background-image: linear-gradient(rgba(246,245,240,0.92), rgba(246,245,240,0.96)), url('/assets/images/d226b6401c205976.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.7;
            z-index: 0;
            pointer-events: none;
        }

        .hero-dashboard .container-site {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .hero-main-content {
            padding-top: 10px;
        }

        .hero-edit-mark {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 2px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .hero-edit-mark::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 2px;
            background: var(--accent);
        }

        .hero-title {
            font-family: var(--font-title);
            font-size: 42px;
            font-weight: 700;
            color: var(--charcoal);
            line-height: 1.25;
            margin: 0 0 16px 0;
            letter-spacing: 0.8px;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 6px;
            background: rgba(15,76,107,0.12);
            border-radius: 3px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 17px;
            color: var(--text-gray);
            line-height: 1.85;
            margin: 0 0 20px 0;
            max-width: 520px;
        }

        .hero-quote-line {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 20px;
            background: rgba(255,255,255,0.7);
            border-left: 3px solid var(--accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-quote-line .quote-symbol {
            font-family: var(--font-title);
            font-size: 28px;
            color: var(--accent);
            line-height: 1;
            flex-shrink: 0;
        }

        .hero-quote-line p {
            font-size: 15px;
            color: var(--charcoal);
            line-height: 1.75;
            margin: 0;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            letter-spacing: 0.3px;
            transition: all var(--transition);
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--white);
            border: 1px solid var(--accent);
        }

        .btn-accent:hover {
            background: #7E3025;
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            align-self: start;
        }

        .metric-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-left: 3px solid var(--primary);
            border-radius: var(--radius);
            padding: 20px 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .metric-card .metric-value {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--charcoal);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .metric-card .metric-value .unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-gray);
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-gray);
            line-height: 1.5;
        }

        /* ============ Service Matrix ============ */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .service-card .card-top {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 14px;
        }

        .service-card .card-num {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1.5px;
            line-height: 1.4;
            flex-shrink: 0;
            padding-top: 2px;
        }

        .service-card .card-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            background: var(--bg-light-blue);
        }

        .service-card .card-title {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--charcoal);
            margin: 0 0 8px 0;
            line-height: 1.4;
        }

        .service-card .card-desc {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
            margin: 0;
        }

        .service-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        /* ============ Result Comparison ============ */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .comparison-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .comparison-card:hover {
            box-shadow: var(--shadow-md);
        }

        .comparison-card--before {
            border-top: 3px solid #C0C6CC;
        }

        .comparison-card--after {
            border-top: 3px solid var(--primary);
        }

        .comparison-card .comp-label {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .comparison-card--before .comp-label {
            color: #8A929A;
        }

        .comparison-card--after .comp-label {
            color: var(--primary);
        }

        .comparison-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .comparison-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--line);
            font-size: 14.5px;
            color: var(--text-body);
            line-height: 1.7;
            transition: color var(--transition);
        }

        .comparison-card ul li:last-child {
            border-bottom: none;
        }

        .comparison-card ul li .marker {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            margin-top: 4px;
        }

        .comparison-card--before ul li .marker {
            background: #E8ECEF;
            color: #8A929A;
        }

        .comparison-card--after ul li .marker {
            background: var(--primary-light);
            color: var(--primary);
        }

        .comparison-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            font-weight: 700;
        }

        /* ============ Milestones ============ */
        .milestone-track {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
            border-top: 2px solid var(--line);
            margin-top: 30px;
        }

        .milestone-node {
            padding: 24px 16px 0 0;
            position: relative;
        }

        .milestone-node::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 0;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--white);
            box-shadow: 0 0 0 2px var(--primary);
            z-index: 2;
        }

        .milestone-node .ms-num {
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1.5px;
            margin-bottom: 6px;
        }

        .milestone-node .ms-period {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-gray);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .milestone-node .ms-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--charcoal);
            line-height: 1.5;
            margin: 0 0 6px 0;
        }

        .milestone-node .ms-desc {
            font-size: 13px;
            color: var(--text-gray);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ News List ============ */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 100px 90px 1fr 200px;
            gap: 16px;
            align-items: center;
            padding: 16px 20px;
            border-radius: var(--radius);
            border: 1px solid transparent;
            transition: all var(--transition);
            background: transparent;
        }

        .news-item:hover {
            background: var(--white);
            border-color: var(--line);
            box-shadow: var(--shadow-sm);
            border-left: 3px solid var(--primary);
        }

        .news-item .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-gray);
            font-weight: 500;
        }

        .news-item .news-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 20px;
            text-align: center;
            letter-spacing: 0.5px;
        }

        .news-item .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--charcoal);
            line-height: 1.6;
            margin: 0;
        }

        .news-item .news-thumb {
            width: 160px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            background: var(--bg-light-blue);
            justify-self: end;
        }

        /* ============ Platform Guarantee ============ */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-item {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 22px 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
        }

        .guarantee-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .guarantee-item .g-icon {
            width: 40px;
            height: 40px;
            margin: 0 auto 12px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
        }

        .guarantee-item .g-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 4px;
        }

        .guarantee-item .g-desc {
            font-size: 13px;
            color: var(--text-gray);
            line-height: 1.6;
            margin: 0;
        }

        /* ============ Quick Answers ============ */
        .quick-answers {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .qa-item {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .qa-item:hover {
            box-shadow: var(--shadow-md);
        }

        .qa-item .qa-question {
            font-size: 15px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qa-item .qa-question .qa-indicator {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--accent);
            font-size: 13px;
        }

        .qa-item .qa-answer {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.75;
            margin: 0;
            padding-left: 20px;
        }

        /* ============ FAQ Accordion ============ */
        .faq-accordion {
            background: transparent;
            border: none;
        }

        .faq-accordion .accordion-item {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-title {
            padding: 16px 20px;
            background: var(--white);
            font-size: 15px;
            font-weight: 600;
            color: var(--charcoal);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: all var(--transition);
            border: none;
            text-align: left;
            width: 100%;
            position: relative;
        }

        .faq-accordion .accordion-title:hover {
            background: var(--bg-light-blue);
            color: var(--primary);
        }

        .faq-accordion .accordion-title .toggle-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            transition: transform var(--transition);
        }

        .faq-accordion .accordion-item.is-active .toggle-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: var(--white);
        }

        .faq-accordion .accordion-content {
            padding: 0 20px 18px;
            background: var(--white);
            display: none;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            border-top: 1px solid var(--line);
        }

        .faq-accordion .accordion-content p {
            margin: 0;
            padding-top: 14px;
        }

        .faq-accordion .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ============ Scenario Cards ============ */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .scenario-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
            display: block;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .scenario-card .sc-img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            background: var(--bg-light-blue);
        }

        .scenario-card .sc-body {
            padding: 18px 20px;
        }

        .scenario-card .sc-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 6px;
            display: block;
        }

        .scenario-card .sc-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--charcoal);
            line-height: 1.45;
            margin: 0 0 6px 0;
        }

        .scenario-card .sc-desc {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ Resource Tools ============ */
        .resource-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .resource-item {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .resource-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .resource-item .res-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--charcoal);
        }

        .resource-item .res-desc {
            font-size: 13px;
            color: var(--text-gray);
            line-height: 1.65;
            margin: 0;
            flex: 1;
        }

        .resource-item .res-btn {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }

        .resource-item .res-btn:hover {
            color: var(--primary-dark);
        }

        /* ============ Case Index ============ */
        .case-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .case-item {
            display: grid;
            grid-template-columns: 160px 1fr 200px;
            gap: 20px;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .case-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .case-item .case-img {
            width: 160px;
            height: 90px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .case-item .case-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--charcoal);
            line-height: 1.5;
            margin: 0 0 6px 0;
        }

        .case-item .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 4px;
        }

        .case-item .case-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--text-gray);
            background: var(--bg-light-blue);
            padding: 2px 8px;
            border-radius: 14px;
            letter-spacing: 0.5px;
        }

        .case-item .case-metric {
            font-family: var(--font-mono);
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            text-align: right;
        }

        .case-item .case-metric span {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-gray);
            font-family: var(--font-body);
        }

        /* ============ Conversion Form ============ */
        .conversion-wrap {
            background: var(--white);
            border: 1px solid var(--line);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            max-width: 720px;
            margin: 0 auto;
        }

        .conversion-wrap .form-title {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--charcoal);
            margin: 0 0 8px 0;
        }

        .conversion-wrap .form-desc {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
            margin: 0 0 20px 0;
        }

        .conversion-wrap .form-field {
            margin-bottom: 16px;
        }

        .conversion-wrap .form-field label {
            font-size: 13px;
            font-weight: 600;
            color: var(--charcoal);
            display: block;
            margin-bottom: 6px;
        }

        .conversion-wrap .form-error {
            font-size: 12px;
            color: #B44A3A;
            display: none;
        }

        .conversion-wrap .form-actions {
            display: flex;
            gap: 12px;
            align-items: center;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .form-privacy-note {
            font-size: 12px;
            color: var(--text-gray);
            line-height: 1.6;
            margin-top: 12px;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--charcoal);
            color: #C8CCD2;
            padding: 48px 0 32px;
            border-top: 4px solid var(--primary);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo-text {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 13px;
            color: #A0A6AD;
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 14px 0;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #A0A6AD;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .copyright {
            font-size: 13px;
            color: #8A9098;
            line-height: 1.6;
        }

        .footer-bottom .copyright a {
            color: #A0A6AD;
            text-decoration: underline;
        }

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

        .back-to-top {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: #C8CCD2;
            cursor: pointer;
            background: transparent;
            border: none;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .back-to-top:hover {
            color: #FFFFFF;
            background: rgba(255,255,255,0.08);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .hero-dashboard .container-site {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

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

            .comparison-wrap {
                grid-template-columns: 1fr;
            }

            .comparison-arrow {
                transform: rotate(90deg);
                margin: -8px 0;
            }

            .milestone-track {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px 0;
                margin-top: 20px;
            }

            .milestone-node {
                padding-right: 8px;
            }

            .news-item {
                grid-template-columns: 80px 70px 1fr;
                gap: 10px;
            }

            .news-item .news-thumb {
                display: none;
            }

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

            .quick-answers {
                grid-template-columns: 1fr;
            }

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

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

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

            .site-footer .footer-grid {
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .header-right {
                width: 100%;
                justify-content: flex-start;
            }

            .header-cta {
                padding: 8px 14px;
                font-size: 13px;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .metric-card {
                padding: 16px 14px;
            }

            .metric-card .metric-value {
                font-size: 20px;
            }

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

            .milestone-track {
                grid-template-columns: 1fr;
            }

            .news-item {
                grid-template-columns: 70px 60px 1fr;
                padding: 12px 14px;
                gap: 8px;
            }

            .news-item .news-thumb {
                display: none;
            }

            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

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

            .resource-list {
                grid-template-columns: 1fr;
            }

            .case-item {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .case-item .case-img {
                width: 100%;
                height: 140px;
            }

            .case-item .case-metric {
                text-align: left;
            }

            .conversion-wrap {
                padding: 20px 16px;
            }

            .mag-section {
                padding: var(--section-pad-y-mobile) 0;
            }

            .section-title {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

            .nav-tab {
                padding: 8px 14px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-title {
                font-size: 28px;
                line-height: 1.35;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-quote-line {
                padding: 12px 14px;
            }

            .hero-quote-line p {
                font-size: 14px;
            }

            .btn {
                padding: 11px 18px;
                font-size: 14px;
            }

            .hero-metrics {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .metric-card .metric-value {
                font-size: 18px;
            }

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

            .news-item {
                grid-template-columns: 1fr;
                gap: 4px;
            }

            .news-item .news-date,
            .news-item .news-tag {
                display: inline-block;
            }

            .news-item .news-date {
                margin-right: 8px;
            }

            .comparison-card {
                padding: 18px 16px;
            }

            .comparison-card ul li {
                font-size: 13.5px;
            }

            .faq-accordion .accordion-title {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-accordion .accordion-content {
                padding: 0 16px 14px;
                font-size: 13px;
            }

            .section-title {
                font-size: 22px;
            }

            .section-kicker {
                font-size: 11px;
                letter-spacing: 1.5px;
            }

            .header-search input {
                font-size: 13px;
                padding: 8px 12px;
            }

            .header-search button {
                padding: 8px 14px;
                font-size: 12px;
            }
        }

        @media (max-width: 360px) {
            .hero-title {
                font-size: 24px;
            }

            .hero-metrics {
                gap: 6px;
            }

            .metric-card {
                padding: 12px 10px;
            }

            .metric-card .metric-value {
                font-size: 16px;
            }

            .nav-tab {
                padding: 7px 10px;
                font-size: 13px;
            }

            .conversion-wrap .form-actions {
                flex-direction: column;
            }
        }

/* roulang page: category1 */
:root{
    --primary:#0F4C6B;
    --primary-dark:#0A3852;
    --primary-light:#E8F1F5;
    --primary-hover-bg:#EAF1F7;
    --charcoal:#1C1C1E;
    --bg-page:#F5F7FA;
    --bg-paper:#F6F5F0;
    --bg-light-blue:#F2F4F6;
    --bg-card:#FFFFFF;
    --accent:#9B3D2E;
    --accent-light:#A55B3F;
    --line:#E2E6EA;
    --border:#D6E0EA;
    --border-light:#E7EEF5;
    --text-gray:#6B7280;
    --text-body:#2E353B;
    --text-main:#1F2A36;
    --text-secondary:#5A6B7B;
    --text-muted:#8B98A5;
    --white:#FFFFFF;
    --radius:10px;
    --radius-card:8px;
    --radius-sm:6px;
    --radius-btn:6px;
    --radius-badge:999px;
    --shadow-sm:0 2px 10px rgba(15,60,80,0.06);
    --shadow-md:0 6px 20px rgba(15,60,80,0.10);
    --shadow-lg:0 10px 26px rgba(15,60,80,0.13);
    --transition:0.25s cubic-bezier(0.4,0,0.2,1);
    --font-title:Georgia,'STSong','SimSun','Songti SC','Noto Serif SC',serif;
    --font-body:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',sans-serif;
    --font-mono:'SF Mono','JetBrains Mono','Cascadia Code',Consolas,monospace;
    --container-max:1200px;
    --section-pad-y:80px;
    --section-pad-y-mobile:48px;
}
html{
    scroll-behavior:smooth;
    -webkit-text-size-adjust:100%;
    box-sizing:border-box;
}
*,*::before,*::after{
    box-sizing:inherit;
    margin:0;
    padding:0;
}
body{
    font-family:var(--font-body);
    font-size:15px;
    line-height:1.75;
    color:var(--text-main);
    background:var(--bg-page);
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
}
a{
    color:var(--primary);
    text-decoration:none;
    transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
a:hover,a:focus{
    color:var(--primary-dark);
}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid var(--primary);
    outline-offset:2px;
}
img{
    max-width:100%;
    height:auto;
    display:block;
}
button{
    font-family:inherit;
    cursor:pointer;
    border:none;
    background:none;
}
input,select,textarea{
    font-family:inherit;
    font-size:14px;
}
h1,h2,h3,h4,h5,h6{
    font-family:var(--font-title);
    color:var(--charcoal);
    line-height:1.35;
    margin:0 0 12px;
    font-weight:700;
}
p{
    margin:0 0 14px;
}
ul,ol{
    list-style:none;
}
.container{
    max-width:var(--container-max);
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
}
/* ======= Header ======= */
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:#fff;
    box-shadow:0 1px 0 rgba(20,40,60,.07),0 4px 14px rgba(20,40,60,.05);
}
.header-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:nowrap;
    min-height:66px;
    padding:8px 0;
    gap:14px;
}
.brand-area{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
}
.brand-logo{
    width:38px;
    height:38px;
    background:var(--primary);
    color:#fff;
    font-family:var(--font-title);
    font-size:19px;
    font-weight:700;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:var(--radius-sm);
    letter-spacing:0;
    flex-shrink:0;
}
.brand-text{
    font-size:20px;
    font-weight:700;
    color:var(--charcoal);
    letter-spacing:.01em;
    white-space:nowrap;
}
.brand-text span{
    color:var(--primary);
}
.header-right{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
}
.header-search{
    display:flex;
    align-items:center;
    flex:1 1 auto;
    max-width:320px;
    margin:0 4px;
}
.header-search input{
    width:100%;
    height:40px;
    padding:0 14px;
    border:1px solid var(--border);
    border-radius:var(--radius-btn) 0 0 var(--radius-btn);
    font-size:14px;
    color:var(--text-main);
    background:var(--bg-page);
    transition:border-color .2s ease,box-shadow .2s ease;
    min-width:0;
}
.header-search input:focus{
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(15,76,107,.10);
    outline:none;
}
.header-search button{
    height:40px;
    padding:0 16px;
    border:1px solid var(--primary);
    background:var(--primary);
    color:#fff;
    border-radius:0 var(--radius-btn) var(--radius-btn) 0;
    font-size:14px;
    transition:background .2s ease;
    white-space:nowrap;
}
.header-search button:hover{
    background:var(--primary-dark);
}
.header-cta{
    height:40px;
    padding:0 18px;
    border:1px solid var(--primary);
    background:#fff;
    color:var(--primary);
    border-radius:var(--radius-btn);
    font-size:14px;
    transition:background .2s ease,color .2s ease;
    white-space:nowrap;
    display:inline-flex;
    align-items:center;
}
.header-cta:hover{
    background:var(--primary-light);
    color:var(--primary-dark);
}
.nav-tabs{
    border-top:1px solid var(--border-light);
    background:#fff;
}
.nav-tabs-inner{
    display:flex;
    align-items:center;
    gap:4px;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:thin;
    scrollbar-color:var(--border) transparent;
    padding:8px 0;
    flex-wrap:nowrap;
}
.nav-tabs-inner::-webkit-scrollbar{
    height:3px;
}
.nav-tabs-inner::-webkit-scrollbar-track{
    background:transparent;
}
.nav-tabs-inner::-webkit-scrollbar-thumb{
    background:var(--border);
    border-radius:99px;
}
.nav-tab{
    display:inline-flex;
    align-items:center;
    padding:8px 16px;
    border-radius:var(--radius-badge);
    font-size:14px;
    font-weight:500;
    color:var(--text-secondary);
    white-space:nowrap;
    transition:background .2s ease,color .2s ease;
    letter-spacing:.01em;
}
.nav-tab:hover{
    background:var(--primary-light);
    color:var(--primary-dark);
}
.nav-tab.active{
    background:var(--primary);
    color:#fff;
    font-weight:600;
}
.nav-tab.active:hover{
    background:var(--primary-dark);
    color:#fff;
}
/* ======= Category Hero ======= */
.category-hero{
    background:var(--bg-paper);
    padding:56px 0 48px;
    border-bottom:1px solid var(--line);
    position:relative;
    overflow:hidden;
}
.category-hero::after{
    content:'';
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:4px;
    background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 60%,var(--accent-light) 100%);
}
.category-hero .hero-inner{
    display:grid;
    grid-template-columns:1fr 280px;
    gap:36px;
    align-items:center;
}
.category-hero .hero-text{
    min-width:0;
}
.category-hero h1{
    font-size:34px;
    line-height:1.3;
    margin-bottom:16px;
    letter-spacing:.01em;
}
.category-hero h1 .h1-accent{
    color:var(--primary);
    border-bottom:3px solid var(--accent-light);
    padding-bottom:2px;
}
.category-hero .hero-desc{
    font-size:15px;
    line-height:1.8;
    color:var(--text-body);
    max-width:640px;
}
.category-hero .hero-img-wrap{
    border-radius:var(--radius);
    overflow:hidden;
    box-shadow:var(--shadow-md);
    aspect-ratio:4/3;
}
.category-hero .hero-img-wrap img{
    width:100%;
    height:100%;
    object-fit:cover;
}
/* ======= Section Base ======= */
.section{
    padding:var(--section-pad-y) 0;
}
.section-alt{
    background:var(--bg-light-blue);
}
.section-bg-paper{
    background:var(--bg-paper);
}
.section-header{
    margin-bottom:32px;
}
.section-header .section-number{
    display:inline-block;
    font-family:var(--font-mono);
    font-size:13px;
    font-weight:600;
    color:var(--accent);
    padding:4px 12px;
    border:1px solid var(--accent-light);
    border-radius:var(--radius-badge);
    margin-bottom:10px;
    letter-spacing:.08em;
}
.section-header h2{
    font-size:26px;
    margin-bottom:8px;
    letter-spacing:.01em;
}
.section-header h2 .h2-accent{
    color:var(--primary);
}
.section-header p{
    font-size:15px;
    color:var(--text-secondary);
    max-width:720px;
    line-height:1.8;
}
/* ======= Filter Bar ======= */
.filter-bar{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:16px 20px;
    margin-bottom:28px;
    box-shadow:var(--shadow-sm);
}
.filter-bar .filter-label{
    font-size:13px;
    font-weight:600;
    color:var(--text-secondary);
    margin-bottom:10px;
    letter-spacing:.03em;
}
.filter-chips{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
}
.filter-chip{
    display:inline-flex;
    align-items:center;
    padding:7px 16px;
    border:1px solid var(--border);
    background:#fff;
    color:var(--text-secondary);
    border-radius:var(--radius-badge);
    font-size:13px;
    cursor:pointer;
    transition:border-color .2s ease,background .2s ease,color .2s ease;
    letter-spacing:.01em;
    white-space:nowrap;
}
.filter-chip:hover{
    border-color:var(--primary);
    color:var(--primary);
    background:var(--primary-light);
}
.filter-chip.active{
    background:var(--primary);
    border-color:var(--primary);
    color:#fff;
    font-weight:600;
}
/* ======= Resource Cards ======= */
.resource-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}
.resource-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-sm);
    transition:box-shadow var(--transition),transform var(--transition),border-color var(--transition);
    display:flex;
    flex-direction:column;
}
.resource-card:hover{
    box-shadow:var(--shadow-lg);
    transform:translateY(-2px);
    border-color:var(--border);
}
.resource-card .card-img{
    aspect-ratio:16/9;
    overflow:hidden;
    position:relative;
    background:var(--bg-light-blue);
}
.resource-card .card-img img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .35s ease;
}
.resource-card:hover .card-img img{
    transform:scale(1.03);
}
.resource-card .card-img .img-tag{
    position:absolute;
    top:10px;
    left:10px;
    font-size:11px;
    font-weight:600;
    background:rgba(15,76,107,.92);
    color:#fff;
    padding:4px 10px;
    border-radius:var(--radius-badge);
    letter-spacing:.03em;
}
.resource-card .card-body{
    padding:18px 20px 20px;
    flex:1;
    display:flex;
    flex-direction:column;
}
.resource-card .card-meta{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:12px;
    color:var(--text-muted);
    margin-bottom:8px;
}
.resource-card .card-meta .meta-dot{
    width:3px;
    height:3px;
    background:var(--text-muted);
    border-radius:50%;
}
.resource-card h3{
    font-size:17px;
    line-height:1.4;
    margin-bottom:8px;
    letter-spacing:.01em;
}
.resource-card h3 a{
    color:var(--charcoal);
}
.resource-card h3 a:hover{
    color:var(--primary);
}
.resource-card .card-excerpt{
    font-size:13.5px;
    line-height:1.7;
    color:var(--text-secondary);
    flex:1;
    margin-bottom:12px;
}
.resource-card .card-link{
    font-size:13px;
    font-weight:600;
    color:var(--primary);
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:gap .2s ease,color .2s ease;
}
.resource-card .card-link:hover{
    gap:10px;
    color:var(--primary-dark);
}
.resource-card .card-link i{
    font-size:11px;
}
/* ======= Load More ======= */
.load-more-wrap{
    text-align:center;
    margin-top:32px;
}
.btn-primary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 28px;
    background:var(--primary);
    color:#fff;
    border:1px solid var(--primary);
    border-radius:var(--radius-btn);
    font-size:14px;
    font-weight:600;
    transition:background .2s ease,box-shadow .2s ease,transform .2s ease;
    letter-spacing:.01em;
}
.btn-primary:hover{
    background:var(--primary-dark);
    border-color:var(--primary-dark);
    color:#fff;
    box-shadow:0 4px 14px rgba(15,76,107,.25);
}
.btn-primary:active{
    transform:translateY(1px);
}
.btn-secondary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 28px;
    background:#fff;
    color:var(--primary);
    border:1px solid var(--primary);
    border-radius:var(--radius-btn);
    font-size:14px;
    font-weight:600;
    transition:background .2s ease,color .2s ease,border-color .2s ease;
    letter-spacing:.01em;
}
.btn-secondary:hover{
    background:var(--primary-light);
    color:var(--primary-dark);
    border-color:var(--primary-dark);
}
/* ======= Tag Cloud ======= */
.tag-cloud{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
}
.tag-item{
    display:inline-flex;
    align-items:center;
    padding:8px 18px;
    background:#fff;
    border:1px solid var(--border);
    color:var(--text-secondary);
    border-radius:var(--radius-badge);
    font-size:13px;
    transition:border-color .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease;
}
.tag-item:hover{
    border-color:var(--primary);
    background:var(--primary-light);
    color:var(--primary);
    box-shadow:var(--shadow-sm);
}
.tag-item .tag-count{
    font-family:var(--font-mono);
    font-size:11px;
    background:var(--bg-light-blue);
    color:var(--text-muted);
    border-radius:var(--radius-badge);
    padding:2px 8px;
    margin-left:8px;
}
/* ======= Data Strip ======= */
.data-strip{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:16px;
}
.data-item{
    background:#fff;
    border:1px solid var(--line);
    border-left:3px solid var(--primary);
    border-radius:var(--radius-sm);
    padding:18px 20px;
    box-shadow:var(--shadow-sm);
    transition:box-shadow var(--transition),transform var(--transition);
}
.data-item:hover{
    box-shadow:var(--shadow-md);
    transform:translateY(-2px);
}
.data-item .data-num{
    font-family:var(--font-mono);
    font-size:26px;
    font-weight:700;
    color:var(--primary);
    line-height:1.2;
    margin-bottom:4px;
}
.data-item .data-label{
    font-size:13px;
    color:var(--text-secondary);
    letter-spacing:.01em;
}
/* ======= Subscribe CTA ======= */
.subscribe-card{
    background:#fff;
    border:1px solid var(--line);
    border-left:4px solid var(--primary);
    border-radius:var(--radius);
    padding:32px 36px;
    box-shadow:var(--shadow-sm);
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:28px;
    align-items:center;
}
.subscribe-card h2{
    font-size:22px;
    margin-bottom:8px;
}
.subscribe-card p{
    font-size:14px;
    color:var(--text-secondary);
    margin-bottom:0;
}
.subscribe-form{
    display:flex;
    gap:10px;
    align-items:center;
    flex-wrap:wrap;
}
.subscribe-form input{
    flex:1;
    min-width:200px;
    height:46px;
    padding:0 16px;
    border:1px solid var(--border);
    border-radius:var(--radius-btn);
    font-size:14px;
    color:var(--text-main);
    background:var(--bg-page);
    transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe-form input:focus{
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(15,76,107,.10);
    outline:none;
}
.subscribe-form .btn-primary{
    height:46px;
    padding:0 24px;
    white-space:nowrap;
}
/* ======= Related Topics ======= */
.topic-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}
.topic-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:22px 24px;
    box-shadow:var(--shadow-sm);
    transition:box-shadow var(--transition),transform var(--transition),border-color var(--transition);
    display:flex;
    align-items:flex-start;
    gap:14px;
}
.topic-card:hover{
    box-shadow:var(--shadow-md);
    transform:translateY(-2px);
    border-color:var(--primary-light);
}
.topic-card .topic-icon{
    width:42px;
    height:42px;
    background:var(--primary-light);
    color:var(--primary);
    border-radius:var(--radius-sm);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:18px;
    flex-shrink:0;
}
.topic-card h3{
    font-size:16px;
    margin-bottom:4px;
}
.topic-card h3 a{
    color:var(--charcoal);
}
.topic-card h3 a:hover{
    color:var(--primary);
}
.topic-card p{
    font-size:13px;
    color:var(--text-secondary);
    margin-bottom:0;
    line-height:1.6;
}
/* ======= Back CTA ======= */
.back-section{
    text-align:center;
    padding:48px 0 56px;
}
.back-section .back-btns{
    display:flex;
    gap:14px;
    justify-content:center;
    flex-wrap:wrap;
}
/* ======= Footer ======= */
.site-footer{
    background:var(--charcoal);
    color:#cfd8e0;
    padding:56px 0 28px;
    margin-top:0;
}
.footer-grid{
    display:grid;
    grid-template-columns:2fr 1fr 1fr 1fr;
    gap:32px;
    margin-bottom:36px;
}
.footer-brand .footer-logo-text{
    font-size:20px;
    font-weight:700;
    color:#fff;
    margin-bottom:12px;
    letter-spacing:.01em;
}
.footer-brand p{
    font-size:13.5px;
    line-height:1.7;
    color:#a8b6c4;
    max-width:300px;
}
.footer-col h4{
    font-size:14px;
    font-weight:600;
    color:#fff;
    margin-bottom:14px;
    letter-spacing:.03em;
    font-family:var(--font-body);
}
.footer-col ul li{
    margin-bottom:8px;
}
.footer-col ul li a{
    color:#a8b6c4;
    font-size:13.5px;
    transition:color .2s ease;
}
.footer-col ul li a:hover{
    color:#fff;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.10);
    padding-top:20px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:12px;
}
.copyright{
    font-size:13px;
    color:#8b98a5;
    letter-spacing:.01em;
}
.back-to-top{
    padding:8px 18px;
    background:rgba(255,255,255,.06);
    color:#cfd8e0;
    border:1px solid rgba(255,255,255,.12);
    border-radius:var(--radius-btn);
    font-size:13px;
    transition:background .2s ease,color .2s ease;
}
.back-to-top:hover{
    background:rgba(255,255,255,.12);
    color:#fff;
}
/* ======= Responsive ======= */
@media screen and (max-width:1024px){
    .resource-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .data-strip{
        grid-template-columns:repeat(3,1fr);
    }
    .topic-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .subscribe-card{
        grid-template-columns:1fr;
        padding:26px 24px;
    }
    .category-hero .hero-inner{
        grid-template-columns:1fr;
        gap:20px;
    }
    .category-hero .hero-img-wrap{
        display:none;
    }
}
@media screen and (max-width:768px){
    .section{
        padding:var(--section-pad-y-mobile) 0;
    }
    .category-hero{
        padding:40px 0 36px;
    }
    .category-hero h1{
        font-size:26px;
    }
    .section-header h2{
        font-size:22px;
    }
    .resource-grid{
        grid-template-columns:1fr;
        gap:16px;
    }
    .data-strip{
        grid-template-columns:repeat(2,1fr);
        gap:12px;
    }
    .topic-grid{
        grid-template-columns:1fr;
        gap:12px;
    }
    .footer-grid{
        grid-template-columns:1fr 1fr;
        gap:24px;
    }
    .header-search{
        max-width:180px;
    }
    .header-search button{
        padding:0 12px;
    }
    .header-cta{
        padding:0 12px;
        font-size:13px;
    }
    .brand-text{
        font-size:17px;
    }
}
@media screen and (max-width:520px){
    .header-top{
        flex-wrap:wrap;
        gap:8px;
        padding:10px 0;
    }
    .header-search{
        max-width:100%;
        order:3;
        flex-basis:100%;
        margin:0;
    }
    .header-search input{
        height:36px;
        font-size:13px;
    }
    .header-search button{
        height:36px;
        padding:0 12px;
        font-size:13px;
    }
    .header-right{
        gap:6px;
    }
    .header-cta{
        height:36px;
        padding:0 10px;
        font-size:12px;
    }
    .brand-logo{
        width:32px;
        height:32px;
        font-size:16px;
    }
    .brand-text{
        font-size:15px;
    }
    .nav-tabs-inner{
        gap:2px;
        padding:6px 0;
    }
    .nav-tab{
        padding:6px 12px;
        font-size:13px;
    }
    .category-hero h1{
        font-size:22px;
    }
    .category-hero .hero-desc{
        font-size:14px;
    }
    .section-header h2{
        font-size:20px;
    }
    .filter-bar{
        padding:12px 14px;
    }
    .filter-chip{
        padding:6px 12px;
        font-size:12px;
    }
    .data-strip{
        grid-template-columns:1fr 1fr;
        gap:10px;
    }
    .data-item{
        padding:14px 16px;
    }
    .data-item .data-num{
        font-size:22px;
    }
    .subscribe-form{
        flex-direction:column;
    }
    .subscribe-form input{
        width:100%;
        min-width:0;
    }
    .subscribe-form .btn-primary{
        width:100%;
    }
    .footer-grid{
        grid-template-columns:1fr;
        gap:20px;
    }
    .footer-bottom{
        flex-direction:column;
        text-align:center;
    }
    .btn-primary,.btn-secondary{
        padding:10px 20px;
        font-size:13px;
    }
}