/* roulang page: index */
:root {
            --pixel-size: 4px;
            --color-primary: #2C7BE5;
            --color-primary-deep: #1a5db8;
            --color-navy: #1E2A3A;
            --color-accent: #FF6B35;
            --color-accent-hover: #e55a2b;
            --color-yellow: #FFC107;
            --color-bg: #F5F8FC;
            --color-white: #FFFFFF;
            --color-card-border: #DDDDDD;
            --color-text: #333333;
            --color-text-weak: #666666;
            --pixel-shadow: 4px 4px 0 rgba(0, 0, 0, 0.08);
            --pixel-shadow-hover: 6px 6px 0 rgba(0, 0, 0, 0.12);
            --pixel-shadow-sm: 3px 3px 0 rgba(0, 0, 0, 0.06);
            --border-pixel: 2px solid #DDDDDD;
            --border-pixel-primary: 2px solid #2C7BE5;
            --border-pixel-accent: 2px solid #FF6B35;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            background-image:
                linear-gradient(rgba(44, 123, 229, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(44, 123, 229, 0.015) 1px, transparent 1px);
            background-size: 20px 20px;
            background-position: -1px -1px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--color-primary-deep);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 像素化边框工具类 */
        .pixel-border {
            border: 2px solid var(--color-card-border);
            border-radius: 0;
        }
        .pixel-border-primary {
            border: 2px solid var(--color-primary);
            border-radius: 0;
        }
        .pixel-shadow {
            box-shadow: var(--pixel-shadow);
            border-radius: 0;
        }
        .pixel-shadow-sm {
            box-shadow: var(--pixel-shadow-sm);
            border-radius: 0;
        }
        .pixel-card {
            background: var(--color-white);
            border: 2px solid var(--color-card-border);
            border-radius: 0;
            box-shadow: var(--pixel-shadow);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }
        .pixel-card:hover {
            box-shadow: var(--pixel-shadow-hover);
            transform: translateY(-2px);
        }

        /* 像素化按钮 */
        .btn-pixel {
            display: inline-block;
            padding: 12px 24px;
            background: var(--color-primary);
            color: #fff;
            border: 2px solid #1a5db8;
            border-radius: 0;
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            text-align: center;
            letter-spacing: 0.04em;
            transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
            box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.1);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-pixel:hover {
            background: #2370d6;
            border-color: #124a9e;
            box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.15);
            color: #fff;
        }
        .btn-pixel:active {
            box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.1);
            transform: translate(2px, 2px);
        }
        .btn-pixel-accent {
            background: var(--color-accent);
            border-color: #d45520;
            color: #fff;
            box-shadow: 3px 3px 0 rgba(255, 107, 53, 0.25);
        }
        .btn-pixel-accent:hover {
            background: var(--color-accent-hover);
            border-color: #b84518;
            color: #fff;
            box-shadow: 5px 5px 0 rgba(255, 107, 53, 0.3);
        }
        .btn-pixel-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            box-shadow: 2px 2px 0 rgba(44, 123, 229, 0.1);
        }
        .btn-pixel-outline:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: #1a5db8;
        }

        /* 像素化输入框 */
        .input-pixel {
            padding: 10px 14px;
            border: 2px solid var(--color-card-border);
            border-radius: 0;
            font-size: 14px;
            background: #fff;
            color: var(--color-text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            box-shadow: inset 2px 2px 0 rgba(0, 0, 0, 0.03);
            width: 100%;
        }
        .input-pixel:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: inset 2px 2px 0 rgba(44, 123, 229, 0.06), 0 0 0 0 transparent;
        }

        /* 像素化标题装饰 */
        .pixel-heading {
            position: relative;
            padding-left: 20px;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-navy);
        }
        .pixel-heading::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 10px;
            height: 10px;
            background: var(--color-primary);
            box-shadow:
                0 0 0 3px var(--color-primary),
                0 0 0 6px rgba(44, 123, 229, 0.25);
            image-rendering: pixelated;
        }
        .pixel-heading-accent::before {
            background: var(--color-accent);
            box-shadow: 0 0 0 3px var(--color-accent), 0 0 0 6px rgba(255, 107, 53, 0.25);
        }

        /* 像素化下划线 */
        .pixel-underline {
            position: relative;
            display: inline-block;
        }
        .pixel-underline::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background: repeating-linear-gradient(90deg,
                    var(--color-primary) 0px,
                    var(--color-primary) 6px,
                    transparent 6px,
                    transparent 10px);
        }

        /* 像素化标签 */
        .pixel-tag {
            display: inline-block;
            padding: 4px 10px;
            background: #eef4fd;
            border: 1.5px solid #c5d9f7;
            border-radius: 0;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }
        .pixel-tag-accent {
            background: #fff5f0;
            border-color: #ffccb8;
            color: var(--color-accent);
        }

        /* 像素化分割线 */
        .pixel-divider {
            height: 4px;
            background: repeating-linear-gradient(90deg,
                    var(--color-card-border) 0px,
                    var(--color-card-border) 8px,
                    transparent 8px,
                    transparent 12px);
            border: none;
            margin: 0;
        }

        /* 导航 */
        .site-header {
            background: #fff;
            border-bottom: 2px solid #e8ecf1;
            box-shadow: 0 2px 0 rgba(0, 0, 0, 0.04);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 64px;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            height: 100%;
            gap: 20px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 17px;
            color: var(--color-navy);
            letter-spacing: 0.05em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--color-primary);
        }
        .logo-pixel-icon {
            display: flex;
            gap: 2px;
            flex-shrink: 0;
        }
        .logo-pixel-icon span {
            width: 8px;
            height: 8px;
            background: var(--color-primary);
            display: block;
            image-rendering: pixelated;
        }
        .logo-pixel-icon span:nth-child(2) {
            background: var(--color-accent);
        }
        .logo-pixel-icon span:nth-child(3) {
            background: var(--color-yellow);
        }

        .header-nav-links {
            display: flex;
            gap: 6px;
            list-style: none;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }
        .header-nav-links a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: #444;
            border-radius: 0;
            transition: background 0.2s ease, color 0.2s ease;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .header-nav-links a:hover,
        .header-nav-links a.active {
            background: #eef4fd;
            color: var(--color-primary);
        }
        .header-nav-links a.active {
            font-weight: 700;
            border-bottom: 2px solid var(--color-primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 0;
        }
        .header-search input {
            padding: 8px 12px;
            border: 2px solid var(--color-card-border);
            border-right: none;
            border-radius: 0;
            font-size: 13px;
            width: 160px;
            background: #fafcfd;
            transition: border-color 0.2s ease;
        }
        .header-search input:focus {
            outline: none;
            border-color: var(--color-primary);
        }
        .header-search button {
            padding: 8px 12px;
            border: 2px solid var(--color-card-border);
            border-left: none;
            background: #fff;
            cursor: pointer;
            border-radius: 0;
            color: #666;
            transition: background 0.2s ease, color 0.2s ease;
        }
        .header-search button:hover {
            background: #eef4fd;
            color: var(--color-primary);
        }
        .btn-login {
            padding: 8px 16px;
            border: 2px solid var(--color-card-border);
            background: #fff;
            border-radius: 0;
            font-size: 13px;
            cursor: pointer;
            font-weight: 500;
            color: #444;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .btn-login:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: #fafcfe;
        }
        .btn-publish {
            padding: 8px 18px;
            background: var(--color-accent);
            color: #fff;
            border: 2px solid #d45520;
            border-radius: 0;
            font-size: 13px;
            font-weight: 700;
            cursor: pointer;
            letter-spacing: 0.04em;
            transition: all 0.2s ease;
            white-space: nowrap;
            box-shadow: 2px 2px 0 rgba(255, 107, 53, 0.2);
        }
        .btn-publish:hover {
            background: var(--color-accent-hover);
            border-color: #b84518;
            box-shadow: 3px 3px 0 rgba(255, 107, 53, 0.3);
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
            z-index: 1001;
        }
        .hamburger span {
            width: 26px;
            height: 3px;
            background: var(--color-navy);
            display: block;
            border-radius: 0;
            transition: all 0.25s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 20px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
            border-top: 2px solid #e8ecf1;
        }
        .mobile-nav-overlay.show {
            display: flex;
        }
        .mobile-nav-overlay a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: #444;
            border: 2px solid transparent;
            border-radius: 0;
            transition: all 0.2s ease;
            text-decoration: none;
        }
        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            background: #eef4fd;
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* Hero */
        .hero-section {
            background: #fff;
            border-bottom: 2px solid #e8ecf1;
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero-bg-img {
            position: absolute;
            right: 0;
            top: 0;
            width: 48%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
            image-rendering: auto;
            pointer-events: none;
            border-left: 2px solid #e8ecf1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            min-height: 420px;
            width: 100%;
        }
        .hero-content {
            max-width: 580px;
            padding: 40px 0;
        }
        .hero-content h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-navy);
            letter-spacing: 0.04em;
            line-height: 1.3;
            margin-bottom: 16px;
            padding-left: 20px;
            position: relative;
        }
        .hero-content h1::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 10px;
            height: 10px;
            background: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary), 0 0 0 6px rgba(44, 123, 229, 0.2);
        }
        .hero-content .hero-desc {
            font-size: 15px;
            color: #555;
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 500px;
        }
        .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .hero-data-dots {
            display: flex;
            gap: 24px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .hero-data-dot {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #555;
            font-weight: 500;
        }
        .hero-data-dot .dot-icon {
            width: 10px;
            height: 10px;
            background: var(--color-accent);
            flex-shrink: 0;
            box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.3);
        }
        .hero-data-dot strong {
            color: var(--color-navy);
            font-size: 16px;
        }

        /* 通用section */
        .section-block {
            padding: 60px 0;
        }
        .section-block-alt {
            background: #fff;
            padding: 60px 0;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-navy);
            letter-spacing: 0.03em;
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 10px;
            height: 10px;
            background: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary), 0 0 0 6px rgba(44, 123, 229, 0.2);
        }
        .section-subtitle {
            font-size: 15px;
            color: #666;
            margin-bottom: 36px;
            padding-left: 20px;
            max-width: 600px;
        }

        /* 解决方案卡片 */
        .solution-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.9fr 1.1fr;
            gap: 24px;
        }
        .solution-card {
            background: #fff;
            border: 2px solid var(--color-card-border);
            border-radius: 0;
            padding: 28px 24px;
            box-shadow: var(--pixel-shadow);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
        }
        .solution-card:hover {
            box-shadow: var(--pixel-shadow-hover);
            transform: translateY(-3px);
        }
        .solution-card .card-icon-pixel {
            width: 40px;
            height: 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-template-rows: repeat(4, 1fr);
            gap: 2px;
            flex-shrink: 0;
        }
        .solution-card .card-icon-pixel span {
            background: var(--color-primary);
            border-radius: 0;
        }
        .solution-card:nth-child(2) .card-icon-pixel span {
            background: var(--color-accent);
        }
        .solution-card:nth-child(3) .card-icon-pixel span {
            background: #1a9c6e;
        }
        .solution-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-navy);
            letter-spacing: 0.03em;
        }
        .solution-card p {
            font-size: 14px;
            color: #555;
            line-height: 1.7;
            margin: 0;
        }
        .solution-card .card-img-wrap {
            margin-top: 4px;
            border: 2px solid #e8ecf1;
            border-radius: 0;
            overflow: hidden;
            height: 140px;
        }
        .solution-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            image-rendering: auto;
        }

        /* 成果数据条 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            background: #fff;
            border: 2px solid #e8ecf1;
            border-radius: 0;
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--pixel-shadow-sm);
            transition: box-shadow 0.25s ease;
        }
        .stat-item:hover {
            box-shadow: var(--pixel-shadow-hover);
        }
        .stat-item .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            font-family: 'Courier New', monospace;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: #666;
            margin-top: 4px;
            font-weight: 500;
        }
        .stat-bar-pixel {
            height: 8px;
            background: #e8ecf1;
            margin-top: 10px;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .stat-bar-pixel .fill {
            height: 100%;
            background: repeating-linear-gradient(90deg,
                    var(--color-primary) 0px,
                    var(--color-primary) 12px,
                    #fff 12px,
                    #fff 14px);
            border-radius: 0;
        }

        /* 会员权益 */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .benefit-card {
            background: #fff;
            border: 2px solid var(--color-card-border);
            border-radius: 0;
            padding: 24px 20px;
            box-shadow: var(--pixel-shadow-sm);
            transition: all 0.25s ease;
            text-align: center;
        }
        .benefit-card:hover {
            box-shadow: var(--pixel-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--color-primary);
        }
        .benefit-card .benefit-icon {
            font-size: 32px;
            margin-bottom: 10px;
            display: block;
        }
        .benefit-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-navy);
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }
        .benefit-card p {
            font-size: 13px;
            color: #666;
            line-height: 1.6;
            margin: 0;
        }
        .benefit-cta-row {
            margin-top: 28px;
            text-align: center;
        }

        /* 热门专题 */
        .topics-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .topic-tag {
            display: inline-block;
            padding: 10px 18px;
            background: #fff;
            border: 2px solid var(--color-card-border);
            border-radius: 0;
            font-size: 14px;
            font-weight: 500;
            color: #444;
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.04);
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .topic-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: #f8fafe;
            box-shadow: 3px 3px 0 rgba(44, 123, 229, 0.1);
        }
        .topic-tag.hot {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: #fff8f5;
            font-weight: 700;
        }

        /* 排行列表 */
        .rank-table-wrap {
            background: #fff;
            border: 2px solid var(--color-card-border);
            border-radius: 0;
            box-shadow: var(--pixel-shadow);
            overflow: hidden;
        }
        .rank-row {
            display: flex;
            align-items: center;
            padding: 14px 20px;
            border-bottom: 1px solid #eef1f5;
            gap: 16px;
            transition: background 0.2s ease;
        }
        .rank-row:last-child {
            border-bottom: none;
        }
        .rank-row:hover {
            background: #fafcfd;
        }
        .rank-num {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
            border: 2px solid #ddd;
            border-radius: 0;
            font-family: 'Courier New', monospace;
        }
        .rank-row:nth-child(1) .rank-num {
            background: #FFC107;
            border-color: #e0a800;
            color: #fff;
        }
        .rank-row:nth-child(2) .rank-num {
            background: #c0c0c0;
            border-color: #a0a0a0;
            color: #fff;
        }
        .rank-row:nth-child(3) .rank-num {
            background: #cd7f32;
            border-color: #a0622a;
            color: #fff;
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info .rank-title {
            font-weight: 600;
            font-size: 14px;
            color: var(--color-navy);
            letter-spacing: 0.02em;
        }
        .rank-info .rank-meta {
            font-size: 12px;
            color: #888;
            margin-top: 2px;
        }
        .rank-badge {
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 600;
            border: 1.5px solid;
            border-radius: 0;
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }
        .rank-badge.hot {
            border-color: #ff6b6b;
            color: #ff6b6b;
            background: #fff5f5;
        }
        .rank-badge.rec {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: #eef4fd;
        }

        /* 证言卡片 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: #fff;
            border: 2px solid #e8ecf1;
            border-radius: 0;
            padding: 20px;
            box-shadow: var(--pixel-shadow-sm);
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: box-shadow 0.25s ease;
        }
        .testimonial-card:hover {
            box-shadow: var(--pixel-shadow-hover);
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border: 2px solid #ddd;
            border-radius: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: #f5f5f5;
            color: #999;
        }
        .testimonial-body {
            flex: 1;
            position: relative;
        }
        .testimonial-body .quote-mark {
            font-size: 28px;
            color: #d0d8e4;
            font-family: 'Courier New', monospace;
            line-height: 1;
            margin-bottom: 4px;
            letter-spacing: -0.1em;
        }
        .testimonial-body p {
            font-size: 14px;
            color: #444;
            line-height: 1.7;
            margin: 0 0 8px;
        }
        .testimonial-body .nickname {
            font-size: 12px;
            color: #888;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        /* 资讯区 */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 28px;
        }
        .news-list-col {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-list-item {
            display: flex;
            align-items: center;
            padding: 14px 0;
            border-bottom: 1px solid #eef1f5;
            gap: 14px;
            transition: color 0.2s ease;
            text-decoration: none;
            color: var(--color-text);
        }
        .news-list-item:hover {
            color: var(--color-primary);
        }
        .news-list-item .news-dot {
            width: 8px;
            height: 8px;
            background: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 0 2px rgba(44, 123, 229, 0.2);
        }
        .news-list-item .news-title {
            flex: 1;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            min-width: 0;
        }
        .news-list-item .news-date {
            font-size: 12px;
            color: #aaa;
            flex-shrink: 0;
        }
        .news-recommend-card {
            background: #fff;
            border: 2px solid var(--color-card-border);
            border-radius: 0;
            padding: 20px;
            box-shadow: var(--pixel-shadow-sm);
            height: fit-content;
        }
        .news-recommend-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-navy);
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            padding-left: 16px;
            position: relative;
        }
        .news-recommend-card h4::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            background: var(--color-accent);
        }
        .news-recommend-card .rec-item {
            display: block;
            padding: 8px 0;
            font-size: 13px;
            color: #555;
            border-bottom: 1px solid #f5f5f5;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .news-recommend-card .rec-item:hover {
            color: var(--color-primary);
        }
        .news-recommend-card .rec-item:last-child {
            border-bottom: none;
        }

        /* CTA区块 */
        .cta-section {
            background: #fff;
            border-top: 2px solid #e8ecf1;
            border-bottom: 2px solid #e8ecf1;
            padding: 50px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-navy);
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 15px;
            color: #666;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 表单区 */
        .form-section {
            background: #f9fafb;
            padding: 50px 0;
        }
        .form-card {
            background: #fff;
            border: 2px solid var(--color-card-border);
            border-radius: 0;
            padding: 32px 28px;
            box-shadow: var(--pixel-shadow);
            max-width: 560px;
            margin: 0 auto;
        }
        .form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-navy);
            letter-spacing: 0.03em;
            margin-bottom: 8px;
            text-align: center;
        }
        .form-card .form-subtitle {
            font-size: 13px;
            color: #888;
            text-align: center;
            margin-bottom: 20px;
        }
        .form-row {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
        }
        .form-row input {
            flex: 1;
        }

        /* 页脚 */
        .site-footer {
            background: #fff;
            border-top: 2px solid #e8ecf1;
            padding: 40px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 28px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-navy);
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            padding-left: 16px;
            position: relative;
        }
        .footer-col h5::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            background: var(--color-primary);
        }
        .footer-col a {
            display: block;
            padding: 4px 0;
            font-size: 13px;
            color: #666;
            text-decoration: none;
            transition: color 0.2s ease;
            letter-spacing: 0.02em;
        }
        .footer-col a:hover {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-thickness: 2px;
            text-decoration-color: var(--color-primary);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 16px;
            border-top: 2px dashed #e8ecf1;
            font-size: 12px;
            color: #999;
            letter-spacing: 0.02em;
        }
        .footer-brand {
            font-weight: 700;
            color: var(--color-navy);
            letter-spacing: 0.04em;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .solution-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .solution-card:nth-child(3) {
                grid-column: span 2;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .hero-bg-img {
                width: 40%;
            }
            .header-nav-links {
                gap: 2px;
            }
            .header-nav-links a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .header-search input {
                width: 120px;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                gap: 10px;
            }
            .header-nav-links {
                display: none;
            }
            .header-search {
                display: none;
            }
            .btn-login {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero-section {
                min-height: auto;
            }
            .hero-section .container {
                min-height: auto;
                flex-direction: column;
            }
            .hero-bg-img {
                position: relative;
                width: 100%;
                height: 200px;
                border-left: none;
                border-bottom: 2px solid #e8ecf1;
                opacity: 0.7;
            }
            .hero-content {
                max-width: 100%;
                padding: 24px 0;
            }
            .hero-content h1 {
                font-size: 24px;
            }
            .solution-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .solution-card:nth-child(3) {
                grid-column: span 1;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .section-block,
            .section-block-alt {
                padding: 36px 0;
            }
            .section-title {
                font-size: 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .form-card {
                padding: 20px 16px;
            }
            .form-row {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-data-dots {
                gap: 14px;
            }
            .btn-pixel {
                padding: 10px 18px;
                font-size: 14px;
            }
            .btn-pixel-accent {
                padding: 10px 20px;
            }
            .rank-row {
                padding: 10px 14px;
                gap: 10px;
            }
            .pixel-card {
                box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.05);
            }
            .pixel-card:hover {
                box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.08);
                transform: translateY(-1px);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-content h1 {
                font-size: 20px;
                padding-left: 14px;
            }
            .hero-content h1::before {
                width: 7px;
                height: 7px;
                top: 6px;
                box-shadow: 0 0 0 2px var(--color-primary), 0 0 0 4px rgba(44, 123, 229, 0.2);
            }
            .hero-content .hero-desc {
                font-size: 14px;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stat-item .stat-number {
                font-size: 28px;
            }
            .section-title {
                font-size: 18px;
                padding-left: 14px;
            }
            .section-title::before {
                width: 7px;
                height: 7px;
                box-shadow: 0 0 0 2px var(--color-primary), 0 0 0 4px rgba(44, 123, 229, 0.2);
            }
            .btn-pixel {
                width: 100%;
                text-align: center;
            }
            .hero-cta-row {
                flex-direction: column;
                gap: 8px;
            }
            .hero-cta-row .btn-pixel {
                width: 100%;
            }
            .solution-card {
                box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.04);
                padding: 18px 14px;
            }
            .testimonial-card {
                box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.04);
            }
            .pixel-card {
                box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.04);
            }
            .btn-publish {
                font-size: 12px;
                padding: 6px 12px;
            }
            .header-logo {
                font-size: 14px;
            }
            .site-header {
                height: 56px;
            }
            .mobile-nav-overlay {
                top: 56px;
            }
        }