/* roulang page: index */
:root {
            --primary: #0E7C3A;
            --primary-dark: #0B5F2D;
            --primary-deeper: #094D24;
            --primary-light-bg: rgba(14, 124, 58, 0.08);
            --primary-light-bg2: rgba(14, 124, 58, 0.02);
            --accent: #F04E23;
            --accent-light-bg: rgba(240, 78, 35, 0.10);
            --dark: #1C1C28;
            --bg-warm: #F5F3EF;
            --white: #FFFFFF;
            --success: #0E7C3A;
            --border: #E0DCD5;
            --text-body: #4A4A55;
            --text-muted: #787880;
            --text-footer: #B0B0B8;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 6px;
            --shadow-card: 0 2px 8px rgba(28, 28, 40, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(28, 28, 40, 0.12);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --section-gap-desktop: 80px;
            --section-gap-tablet: 60px;
            --section-gap-mobile: 48px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-weight: 400;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-smooth);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

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

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-gap {
            padding-top: var(--section-gap-desktop);
            padding-bottom: var(--section-gap-desktop);
        }
        @media (max-width: 1023px) {
            .section-gap {
                padding-top: var(--section-gap-tablet);
                padding-bottom: var(--section-gap-tablet);
            }
        }
        @media (max-width: 767px) {
            .section-gap {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
        }

        .h2-title {
            font-weight: 700;
            font-size: clamp(1.5rem, 3.5vw, 2.25rem);
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .h2-title-underline {
            display: block;
            width: 40px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin-bottom: 16px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            letter-spacing: 0.03em;
            transition: var(--transition-smooth);
            white-space: nowrap;
            min-height: 44px;
            border: 2px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(14, 124, 58, 0.3);
            color: #fff;
        }
        .btn-primary:active {
            background: var(--primary-deeper);
            border-color: var(--primary-deeper);
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(14, 124, 58, 0.3);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            letter-spacing: 0.03em;
            border: 2px solid var(--primary);
            transition: var(--transition-smooth);
            white-space: nowrap;
            min-height: 44px;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(14, 124, 58, 0.25);
        }
        .btn-outline:active {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(0);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(14, 124, 58, 0.3);
            outline-offset: 2px;
        }

        .text-link {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-thickness: 1px;
            transition: var(--transition-smooth);
        }
        .text-link:hover {
            text-decoration-thickness: 2px;
            color: var(--primary-dark);
        }

        .tag-sm {
            display: inline-block;
            padding: 4px 10px;
            border-radius: var(--radius-tag);
            font-size: 0.8125rem;
            letter-spacing: 0.02em;
            font-weight: 500;
            background: var(--accent-light-bg);
            color: var(--accent);
        }

        .badge-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.875rem;
            flex-shrink: 0;
        }

        .card-base {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        @media (max-width: 1023px) {
            .card-base {
                padding: 20px;
            }
        }
        @media (max-width: 767px) {
            .card-base {
                padding: 16px;
            }
        }

        /* 导航 */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            height: 64px;
            transition: var(--transition-smooth);
            border-bottom: 1px solid transparent;
        }
        .site-nav.scrolled {
            box-shadow: var(--shadow-nav);
            border-bottom-color: var(--border);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--dark);
            flex-shrink: 0;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            font-weight: 800;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-links a {
            font-weight: 500;
            font-size: 0.9375rem;
            color: var(--text-body);
            position: relative;
            padding: 4px 0;
            transition: var(--transition-smooth);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            transition: width 0.25s ease;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta-btn {
            padding: 10px 20px;
            font-size: 0.875rem;
            min-height: 38px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1100;
            padding: 4px;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--dark);
            border-radius: 2px;
            transition: var(--transition-smooth);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(28, 28, 40, 0.92);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu-overlay a {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: color 0.2s;
        }
        .mobile-menu-overlay a:hover {
            color: var(--accent);
        }
        @media (max-width: 767px) {
            .site-nav {
                height: 56px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-inner {
                padding: 0 16px;
            }
        }
        @media (min-width: 768px) {
            .mobile-menu-overlay {
                display: none;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: var(--white);
            overflow: hidden;
            padding-top: 40px;
            padding-bottom: 0;
        }
        .hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .hero-left {
            flex: 0 0 55%;
            max-width: 55%;
        }
        .hero-right {
            flex: 0 0 45%;
            max-width: 45%;
            position: relative;
        }
        .hero-tag {
            display: inline-block;
            background: var(--accent-light-bg);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .hero-h1 {
            font-weight: 800;
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .hero-h1 .highlight {
            color: var(--primary);
        }
        .hero-subtitle {
            font-size: 1.0625rem;
            color: var(--text-body);
            margin-bottom: 24px;
            line-height: 1.6;
            max-width: 460px;
        }
        .hero-ctas {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-num {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.8125rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }
        .hero-image-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 4/3;
            border-radius: 12px 48px 12px 48px;
            overflow: hidden;
            clip-path: polygon(3% 0, 100% 0, 97% 100%, 0% 100%);
            box-shadow: 0 8px 32px rgba(28, 28, 40, 0.13);
        }
        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-stripe-divider {
            position: absolute;
            bottom: -20px;
            left: 0;
            width: 100%;
            height: 50px;
            background: repeating-linear-gradient(-8deg,
                    transparent,
                    transparent 12px,
                    rgba(14, 124, 58, 0.06) 12px,
                    rgba(14, 124, 58, 0.06) 14px);
            z-index: 2;
            pointer-events: none;
        }
        @media (max-width: 1023px) {
            .hero-inner {
                flex-direction: column;
                gap: 32px;
            }
            .hero-left,
            .hero-right {
                flex: 1 1 auto;
                max-width: 100%;
            }
            .hero-image-wrap {
                aspect-ratio: 16/9;
                clip-path: polygon(2% 0, 100% 0, 98% 100%, 0% 100%);
                border-radius: 12px 36px 12px 36px;
            }
            .hero-stripe-divider {
                bottom: -14px;
                height: 36px;
            }
        }
        @media (max-width: 767px) {
            .hero-section {
                padding-top: 20px;
            }
            .hero-inner {
                flex-direction: column-reverse;
                gap: 20px;
                padding: 0 16px;
            }
            .hero-image-wrap {
                aspect-ratio: 4/3;
                clip-path: polygon(1.5% 0, 100% 0, 98.5% 100%, 0% 100%);
                border-radius: 10px 28px 10px 28px;
            }
            .hero-h1 {
                font-size: clamp(1.6rem, 6vw, 2.4rem);
            }
            .hero-ctas {
                flex-direction: column;
                gap: 12px;
            }
            .hero-ctas .btn-primary,
            .hero-ctas .btn-outline {
                width: 100%;
                text-align: center;
            }
            .hero-stats {
                gap: 16px;
                justify-content: center;
            }
        }

        /* 亮点网格 */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .highlight-card {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 24px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            cursor: pointer;
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .highlight-card:nth-child(odd) {
            transform: translateY(0px);
        }
        .highlight-card:nth-child(odd):hover {
            transform: translateY(-4px);
        }
        @media (min-width: 1024px) {
            .highlight-card:nth-child(odd) {
                transform: translateY(-8px);
            }
            .highlight-card:nth-child(odd):hover {
                transform: translateY(-12px);
            }
        }
        .highlight-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-light-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--primary);
            font-size: 1.25rem;
            transition: var(--transition-smooth);
        }
        .highlight-card:hover .highlight-icon-circle {
            background: var(--primary);
            color: #fff;
        }
        .highlight-text h3 {
            font-weight: 600;
            font-size: 1.125rem;
            color: var(--dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .highlight-text p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 1023px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .highlight-card:nth-child(odd) {
                transform: translateY(0);
            }
            .highlight-card:nth-child(odd):hover {
                transform: translateY(-4px);
            }
        }
        @media (max-width: 767px) {
            .highlights-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .highlight-card {
                padding: 16px;
            }
            .highlight-card:nth-child(odd) {
                transform: translateY(0);
            }
            .highlight-card:nth-child(odd):hover {
                transform: translateY(-3px);
            }
        }

        /* 案例瀑布 */
        .case-columns {
            columns: 3;
            column-gap: 24px;
        }
        .case-card {
            break-inside: avoid;
            margin-bottom: 24px;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--white);
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            position: relative;
            cursor: pointer;
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .case-card-img-wrap {
            position: relative;
            width: 100%;
            overflow: hidden;
        }
        .case-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .case-card:hover .case-card-img-wrap img {
            transform: scale(1.05);
        }
        .case-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 28px 16px 16px;
            background: linear-gradient(to top, rgba(28, 28, 40, 0.78) 0%, transparent 100%);
            display: flex;
            flex-direction: column;
            gap: 6px;
            transition: var(--transition-smooth);
        }
        .case-card:hover .case-card-overlay {
            background: linear-gradient(to top, rgba(28, 28, 40, 0.88) 0%, transparent 100%);
        }
        .case-card-overlay h3 {
            color: #fff;
            font-weight: 600;
            font-size: 1.0625rem;
            line-height: 1.3;
            margin: 0;
        }
        .case-card-overlay .case-tag {
            align-self: flex-start;
            background: var(--accent);
            color: #fff;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        @media (max-width: 1023px) {
            .case-columns {
                columns: 2;
                column-gap: 20px;
            }
            .case-card {
                margin-bottom: 20px;
            }
        }
        @media (max-width: 767px) {
            .case-columns {
                columns: 1;
                column-gap: 0;
            }
            .case-card {
                margin-bottom: 16px;
            }
        }

        /* 方案对比 */
        .compare-wrapper {
            display: flex;
            align-items: stretch;
            gap: 0;
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }
        .compare-card {
            flex: 1;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            transition: var(--transition-smooth);
        }
        .compare-card.recommended {
            border: 2px solid var(--primary);
            position: relative;
            box-shadow: 0 4px 20px rgba(14, 124, 58, 0.10);
        }
        .compare-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            white-space: nowrap;
            z-index: 2;
        }
        .compare-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            width: 44px;
            position: relative;
            z-index: 1;
        }
        .compare-vs-badge {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 800;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 14px rgba(240, 78, 35, 0.3);
            z-index: 2;
        }
        .compare-card h3 {
            font-weight: 600;
            font-size: 1.25rem;
            color: var(--dark);
            margin-bottom: 6px;
            text-align: center;
        }
        .compare-card .compare-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 20px;
        }
        .compare-features {
            list-style: none;
            flex: 1;
            margin-bottom: 20px;
        }
        .compare-features li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9375rem;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-features li i {
            color: var(--success);
            flex-shrink: 0;
            font-size: 0.9rem;
        }
        .compare-card .btn-wrap {
            text-align: center;
        }
        @media (max-width: 767px) {
            .compare-wrapper {
                flex-direction: column;
                gap: 20px;
            }
            .compare-divider {
                width: 100%;
                height: auto;
                flex-direction: row;
                padding: 4px 0;
            }
            .compare-vs-badge {
                width: 38px;
                height: 38px;
                font-size: 0.8rem;
            }
            .compare-card {
                padding: 24px 20px;
            }
            .compare-badge {
                top: -12px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 0;
            cursor: pointer;
            font-weight: 500;
            font-size: 1.0625rem;
            color: var(--dark);
            transition: var(--transition-smooth);
            position: relative;
            user-select: none;
        }
        .faq-question .faq-bar {
            width: 3px;
            height: 20px;
            border-radius: 2px;
            background: transparent;
            flex-shrink: 0;
            transition: var(--transition-smooth);
        }
        .faq-item.open .faq-question .faq-bar {
            background: var(--primary);
        }
        .faq-question .faq-icon {
            margin-left: auto;
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
            color: var(--text-muted);
            font-size: 1rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 16px 0 32px;
            color: var(--text-body);
            font-size: 0.9375rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 16px 16px 32px;
        }
        .faq-item.open .faq-question {
            color: var(--primary);
        }

        /* 联系CTA */
        .contact-section {
            background: var(--white);
        }
        .contact-form-row {
            display: flex;
            gap: 16px;
            margin-bottom: 16px;
        }
        .contact-form-row input,
        .contact-form-row textarea {
            flex: 1;
            padding: 14px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 1rem;
            color: var(--dark);
            background: var(--bg-warm);
            transition: var(--transition-smooth);
            min-height: 44px;
        }
        .contact-form-row input:focus,
        .contact-form-row textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 124, 58, 0.08);
            background: #fff;
        }
        .contact-form-row textarea {
            resize: vertical;
            min-height: 100px;
        }
        @media (max-width: 767px) {
            .contact-form-row {
                flex-direction: column;
                gap: 12px;
            }
            .contact-form-row input {
                width: 100%;
            }
        }

        /* 页脚 */
        .site-footer {
            background: var(--dark);
            color: var(--text-footer);
            padding-top: 48px;
            padding-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr 1.2fr;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px 40px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col p,
        .footer-col li {
            font-size: 0.875rem;
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li a {
            color: var(--text-footer);
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-col .footer-icon-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 6px;
            font-size: 0.875rem;
        }
        .footer-col .footer-icon-row i {
            width: 18px;
            text-align: center;
            flex-shrink: 0;
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 20px;
            text-align: center;
            font-size: 0.8125rem;
            color: var(--text-footer);
            max-width: var(--container-max);
            margin: 0 auto;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 0 16px 32px;
            }
            .site-footer {
                padding-top: 36px;
            }
        }

        /* 动画工具 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }