/* roulang page: index */
:root {
            --primary: #1a3c5e;
            --primary-dark: #0f2a42;
            --primary-light: #2a5f8f;
            --accent: #c5a572;
            --accent-light: #e8d5b5;
            --accent-dark: #a8874a;
            --bg: #f8fafc;
            --bg-warm: #fdfaf5;
            --surface: #ffffff;
            --text: #1e293b;
            --text-weak: #5b6b7c;
            --text-muted: #8a9aab;
            --border: #e2e8f0;
            --border-strong: #cbd5e1;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-xs: 0 1px 3px rgba(15, 42, 66, 0.06);
            --shadow-sm: 0 4px 14px rgba(15, 42, 66, 0.08);
            --shadow-md: 0 8px 30px rgba(15, 42, 66, 0.1);
            --shadow-lg: 0 16px 48px rgba(15, 42, 66, 0.14);
            --shadow-accent: 0 6px 20px rgba(197, 165, 114, 0.25);
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 28px;
            --space-xl: 48px;
            --space-2xl: 72px;
            --space-3xl: 96px;
            --font-base: 16px;
            --line-base: 1.7;
            --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1200px;
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            font-size: var(--font-base);
            line-height: var(--line-base);
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--accent-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(197, 165, 114, 0.6);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            min-height: 64px;
            padding-top: var(--space-sm);
            padding-bottom: var(--space-sm);
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--primary-dark);
            transition: opacity var(--transition);
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: var(--primary-dark);
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: var(--shadow-sm);
            flex-shrink: 0;
        }
        .nav-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .nav-logo-name {
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            color: var(--primary-dark);
            white-space: nowrap;
        }
        .nav-logo-sub {
            font-size: 0.65rem;
            color: var(--text-muted);
            font-weight: 400;
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            flex-wrap: nowrap;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-weak);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.05);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.08);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search input {
            width: 150px;
            padding: 8px 34px 8px 14px;
            border-radius: 20px;
            border: 1.5px solid var(--border);
            background: var(--bg);
            font-size: 0.82rem;
            color: var(--text);
            transition: all var(--transition);
            height: 36px;
        }
        .nav-search input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(197, 165, 114, 0.2);
            width: 190px;
            background: #fff;
        }
        .nav-search i {
            position: absolute;
            right: 12px;
            color: var(--text-muted);
            font-size: 0.75rem;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.88rem;
            line-height: 1.4;
            border: none;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 10px 28px rgba(197, 165, 114, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 0.8rem;
            border-radius: 8px;
        }
        .btn-lg {
            padding: 14px 30px;
            font-size: 1rem;
            border-radius: 12px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--primary-dark);
            padding: 6px 10px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(26, 60, 94, 0.06);
        }

        /* ===== Mobile Nav Drawer ===== */
        .mobile-nav {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: var(--space-md) 0;
            box-shadow: var(--shadow-md);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .mobile-nav.open {
            max-height: 420px;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 20px;
            font-size: 0.95rem;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: rgba(26, 60, 94, 0.05);
            color: var(--primary);
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 540px;
            background-image: linear-gradient(100deg, rgba(15, 42, 66, 0.88) 0%, rgba(15, 42, 66, 0.7) 45%, rgba(197, 165, 114, 0.4) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center 35%;
            display: flex;
            align-items: center;
            padding: var(--space-2xl) 0 var(--space-xl);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent 0%, rgba(248, 250, 252, 0.6) 60%, var(--bg) 100%);
            pointer-events: none;
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(197, 165, 114, 0.18);
            border: 1px solid rgba(197, 165, 114, 0.4);
            color: var(--accent-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-md);
            backdrop-filter: blur(8px);
        }
        .hero h1 {
            font-size: clamp(1.8rem, 3.8vw, 2.8rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.28;
            letter-spacing: 0.01em;
            margin-bottom: var(--space-md);
            max-width: 720px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }
        .hero-desc {
            font-size: 1.02rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            margin-bottom: var(--space-lg);
            line-height: 1.8;
            text-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: var(--space-lg);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: var(--space-sm);
        }
        .hero-stat {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            min-width: 120px;
            transition: all var(--transition);
        }
        .hero-stat:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
        }
        .hero-stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.04em;
            margin-top: 2px;
        }

        /* ===== Section common ===== */
        .section {
            padding: var(--space-2xl) 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-warm);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--primary-dark);
            color: #fff;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(197, 165, 114, 0.12);
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-sm);
        }
        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.3;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.01em;
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--text-weak);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }

        /* ===== Service Tiers ===== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
            margin-top: var(--space-lg);
        }
        .tier-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .tier-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-light);
            opacity: 0.7;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-4px);
        }
        .tier-card.featured {
            border-color: var(--accent);
            box-shadow: var(--shadow-accent);
        }
        .tier-card.featured::before {
            background: var(--accent);
            opacity: 1;
        }
        .tier-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
        }
        .tier-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }
        .tier-price {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-dark);
            margin-bottom: var(--space-sm);
        }
        .tier-price span {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .tier-desc {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: var(--space-md);
            line-height: 1.6;
        }
        .tier-list {
            list-style: none;
            margin: 0 0 var(--space-md);
            padding: 0;
        }
        .tier-list li {
            font-size: 0.84rem;
            color: var(--text);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px dashed var(--border);
        }
        .tier-list li:last-child {
            border-bottom: none;
        }
        .tier-list i {
            color: var(--accent);
            font-size: 0.7rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* ===== Qualify Steps ===== */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            margin-top: var(--space-lg);
            position: relative;
        }
        .step-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: var(--space-lg) var(--space-md);
            text-align: center;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--accent);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
            box-shadow: var(--shadow-sm);
        }
        .step-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.82rem;
            color: var(--text-weak);
            line-height: 1.55;
            margin: 0;
        }

        /* ===== News / Info ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: var(--space-lg);
            align-items: start;
        }
        .news-list {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            text-decoration: none;
            color: var(--text);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .news-title {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text);
            line-height: 1.5;
            flex: 1;
        }
        .news-item:hover .news-title {
            color: var(--primary);
        }
        .news-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .news-featured {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .news-featured:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-featured img {
            border-radius: 0;
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }
        .news-featured-body {
            padding: var(--space-lg);
        }
        .news-featured h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-featured p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: var(--space-sm);
        }

        /* ===== Comparison ===== */
        .compare-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            margin-top: var(--space-lg);
        }
        .compare-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .compare-card.highlight {
            border-color: var(--accent);
            box-shadow: var(--shadow-accent);
            position: relative;
        }
        .compare-card.highlight::after {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 14px;
            letter-spacing: 0.04em;
        }
        .compare-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: var(--space-sm);
        }
        .compare-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .compare-list li {
            font-size: 0.86rem;
            color: var(--text);
            padding: 8px 0;
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px dashed var(--border);
        }
        .compare-list li:last-child {
            border-bottom: none;
        }
        .compare-list i.fa-check {
            color: #2d8a4e;
        }
        .compare-list i.fa-times {
            color: #c0392b;
        }
        .compare-list i.fa-minus {
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: var(--space-lg) auto 0;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-xs);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border-strong);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            background: none;
            border: none;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--primary-dark);
            text-align: left;
            cursor: pointer;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(26, 60, 94, 0.03);
        }
        .faq-question i {
            font-size: 0.8rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.25s ease;
            padding: 0 22px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== CTA Form ===== */
        .cta-form-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-lg);
            margin-top: var(--space-sm);
            position: relative;
            overflow: hidden;
        }
        .cta-form-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(197, 165, 114, 0.12);
            pointer-events: none;
        }
        .cta-form-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }
        .cta-form-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-form-wrap {
            max-width: 560px;
            background: rgba(255, 255, 255, 0.96);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-lg);
        }
        .cta-form-wrap h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }
        .cta-form-wrap p {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: var(--space-md);
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1.5px solid var(--border);
            font-size: 0.88rem;
            color: var(--text);
            background: #fff;
            transition: all var(--transition);
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(197, 165, 114, 0.18);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        /* ===== SLA Bar ===== */
        .sla-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
            margin-top: var(--space-md);
        }
        .sla-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all var(--transition);
        }
        .sla-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .sla-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .sla-text h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin: 0;
        }
        .sla-text p {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 2px 0 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--space-xl) 0 var(--space-md);
            border-top: 4px solid var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        .footer-brand h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }
        .footer-brand p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-bottom: var(--space-sm);
        }
        .footer-heading {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.03em;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 6px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.82rem;
            transition: color var(--transition);
            text-decoration: none;
        }
        .footer-links a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--space-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-search input {
                width: 120px;
            }
            .nav-search input:focus {
                width: 150px;
            }
            .tier-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--space-md);
            }
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .mobile-nav {
                display: block;
            }
            .hero {
                min-height: 440px;
                padding: var(--space-xl) 0 var(--space-lg);
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-stats {
                gap: 6px;
            }
            .hero-stat {
                padding: 10px 14px;
                min-width: 90px;
            }
            .hero-stat-num {
                font-size: 1.2rem;
            }
            .section {
                padding: var(--space-xl) 0;
            }
            .tier-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .steps-flow {
                grid-template-columns: 1fr;
                gap: var(--space-sm);
            }
            .compare-wrap {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .sla-bar {
                grid-template-columns: 1fr;
            }
            .cta-form-section {
                padding: var(--space-lg) var(--space-md);
                border-radius: var(--radius-lg);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .btn-lg {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .nav-logo-name {
                font-size: 0.8rem;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
                border-radius: 8px;
            }
            .hero {
                min-height: 400px;
                background-position: center 20%;
            }
            .hero h1 {
                font-size: 1.35rem;
                line-height: 1.35;
            }
            .hero-desc {
                font-size: 0.85rem;
                line-height: 1.65;
                max-width: 100%;
            }
            .hero-actions {
                gap: 8px;
            }
            .hero-actions .btn {
                padding: 9px 16px;
                font-size: 0.8rem;
            }
            .news-item {
                flex-wrap: wrap;
                gap: 6px;
            }
            .news-date {
                width: 100%;
                padding-left: 14px;
            }
            .cta-form-wrap {
                padding: var(--space-md);
            }
            .tier-card {
                padding: var(--space-md);
            }
        }