/* ===== 全局重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1e3a8a;      /* 青花蓝 */
    --primary-dark: #0f172a;
    --primary-light: #3b5fb7;
    --accent: #fbbf24;        /* 金色 */
    --accent-dark: #d97706;
    --bg: #f8fafc;
    --bg-light: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --success: #10b981;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-lg: 16px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-title {
    font-weight: 700;
    color: var(--primary);
    font-size: 18px;
}

.logo-sub {
    font-size: 11px;
    color: var(--text-light);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 15px;
    color: var(--text);
    border-radius: var(--radius);
    transition: all 0.3s;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: rgba(30, 58, 138, 0.08);
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
    padding: 10px 18px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.3);
}

.nav-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 30px;
    flex-direction: column;
    justify-content: space-around;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f4ff 0%, #fef3c7 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(30, 58, 138, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(251, 191, 36, 0.1) 0%, transparent 40%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' stroke='%231e3a8a' stroke-width='0.5' opacity='0.1'%3E%3Cpath d='M30 5 Q45 20 30 30 Q15 20 30 5 M30 30 Q45 40 30 55 Q15 40 30 30'/%3E%3C/g%3E%3C/svg%3E");
    background-size: cover, cover, 60px 60px;
}

.hero-container {
    position: relative;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.8);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(30, 58, 138, 0.2);
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.text-accent {
    color: var(--primary);
    position: relative;
}

.text-accent::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    right: 0;
    height: 12px;
    background: var(--accent);
    opacity: 0.4;
    z-index: -1;
}

.hero-desc {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 24px;
    background: rgba(255,255,255,0.7);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.5);
}

.stat {
    text-align: center;
}

.stat-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-num small {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
}

.hero-visual {
    position: relative;
    height: 480px;
}

.visual-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    text-align: center;
    padding-bottom: 24px;
    z-index: 2;
}

.visual-avatar {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #1e3a8a, #0f172a);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.visual-avatar svg {
    width: 100%;
    height: 100%;
}

.visual-avatar .avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.visual-info h3 {
    font-size: 24px;
    color: var(--primary-dark);
    margin: 16px 0 4px;
}

.visual-title {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
}

.visual-cert {
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 12px;
}

.visual-tags {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0 16px;
}

.visual-tags span {
    font-size: 12px;
    padding: 4px 10px;
    background: rgba(30, 58, 138, 0.08);
    color: var(--primary);
    border-radius: 12px;
}

.floating-card {
    position: absolute;
    background: #fff;
    padding: 12px 16px;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    z-index: 3;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    color: var(--success);
    font-size: 18px;
}

.card-1 {
    top: 10%;
    left: -10px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 15%;
    right: -10px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ===== 通用 Section ===== */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-tag {
    display: inline-block;
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 12px;
    position: relative;
    padding: 0 20px;
}

.section-tag::before, .section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 12px;
    height: 1px;
    background: var(--primary);
}

.section-tag::before { left: 0; }
.section-tag::after { right: 0; }

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-title.light {
    color: #fff;
}

.section-desc {
    color: var(--text-light);
    font-size: 16px;
}

/* ===== 服务项目 ===== */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 50px;
}

.service-card {
    position: relative;
    background: #fff;
    padding: 32px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all 0.3s;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card.featured {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
}

.service-card.featured .service-icon {
    background: var(--accent);
    color: var(--primary-dark);
}

.service-card.featured h3,
.service-card.featured .service-list li {
    color: #fff;
}

.service-card.featured .service-list li::before {
    background: var(--accent);
}

.service-card.featured p {
    color: rgba(255,255,255,0.85);
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: rgba(30, 58, 138, 0.1);
    color: var(--primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: #fff;
    transform: rotate(-5deg) scale(1.1);
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--primary-dark);
}

.service-card p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.7;
}

.service-list {
    list-style: none;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
}

.service-card.featured .service-list {
    border-top-color: rgba(255,255,255,0.2);
}

.service-list li {
    color: var(--text);
    font-size: 14px;
    padding: 6px 0 6px 22px;
    position: relative;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 13px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.services-extra {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    padding: 30px;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.05), rgba(251, 191, 36, 0.05));
    border-radius: var(--radius-lg);
    border: 1px dashed var(--primary);
}

.extra-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #fff;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

.extra-item:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.extra-item i {
    color: var(--accent);
}

.extra-item:hover i {
    color: #fff;
}

/* ===== 关于 ===== */
.about {
    background: linear-gradient(135deg, #f0f4ff 0%, #fff 100%);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    aspect-ratio: 4/5;
}

.about-image svg {
    width: 100%;
    height: 100%;
    display: block;
}

.about-image .about-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.about-quote {
    position: absolute;
    bottom: -30px;
    right: -20px;
    background: #fff;
    padding: 20px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-width: 280px;
    border-left: 4px solid var(--accent);
}

.about-quote i {
    color: var(--accent);
    font-size: 20px;
    margin-bottom: 8px;
    display: block;
}

.about-quote p {
    font-size: 14px;
    color: var(--primary-dark);
    font-weight: 600;
    line-height: 1.5;
    font-style: italic;
}

.about-content .section-tag {
    text-align: left;
    padding-left: 30px;
}

.about-content .section-tag::before {
    left: 0;
    width: 20px;
}

.about-content .section-tag::after {
    display: none;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.about-lead {
    font-size: 17px;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-content em {
    color: var(--primary);
    font-style: normal;
    font-weight: 600;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.about-feature {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.about-feature i {
    color: var(--primary);
    font-size: 24px;
    margin-top: 2px;
    flex-shrink: 0;
}

.about-feature h4 {
    font-size: 15px;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.about-feature p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
    line-height: 1.5;
}

/* ===== 优势 ===== */
.advantage {
    background: var(--primary-dark);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.advantage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(251, 191, 36, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(30, 58, 138, 0.3) 0%, transparent 30%);
}

.advantage .container {
    position: relative;
}

.advantage .section-tag {
    color: var(--accent);
}

.advantage .section-tag::before,
.advantage .section-tag::after {
    background: var(--accent);
}

.advantage .section-title {
    color: #fff;
}

.advantage .section-desc {
    color: rgba(255,255,255,0.7);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.advantage-item {
    padding: 30px 28px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.advantage-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-5px);
    border-color: var(--accent);
}

.advantage-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 12px;
    font-family: Georgia, serif;
    font-style: italic;
}

.advantage-item h3 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 12px;
}

.advantage-item p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== 服务流程 ===== */
.process {
    background: var(--bg-light);
}

.process-timeline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.process-step {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 20px 10px;
}

.process-circle {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
    transition: all 0.3s;
    position: relative;
}

.process-circle::before {
    content: '';
    position: absolute;
    inset: -6px;
    border: 2px dashed var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    to { transform: rotate(360deg); }
}

.process-step:hover .process-circle {
    transform: scale(1.1) rotate(360deg);
    transition: transform 0.6s;
}

.process-step h3 {
    font-size: 16px;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 13px;
    color: var(--text-light);
}

.process-line {
    flex: 0 0 30px;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--primary) 0, var(--primary) 6px, transparent 6px, transparent 12px);
    margin-top: 50px;
}

/* ===== 客户类型 ===== */
.clients {
    background: linear-gradient(135deg, #fef3c7 0%, #f0f4ff 100%);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.client-card {
    background: #fff;
    padding: 30px 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.client-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.client-card i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 16px;
    display: inline-block;
    transition: all 0.3s;
}

.client-card:hover i {
    color: var(--accent);
    transform: scale(1.1);
}

.client-card h3 {
    font-size: 18px;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.client-card p {
    font-size: 13px;
    color: var(--text-light);
}

/* ===== 联系 ===== */
.contact {
    background: var(--primary-dark);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 80% 30%, rgba(251, 191, 36, 0.08) 0%, transparent 40%);
}

.contact .container {
    position: relative;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info .section-tag {
    color: var(--accent);
}

.contact-info .section-tag::before,
.contact-info .section-tag::after {
    background: var(--accent);
}

.contact-desc {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    margin-bottom: 30px;
    line-height: 1.8;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(251, 191, 36, 0.15);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-item h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 4px;
}

.contact-item p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.contact-item a {
    color: var(--accent);
    font-weight: 600;
    transition: color 0.3s;
}

.contact-item a:hover {
    color: #fff;
}

.contact-form {
    background: #fff;
    color: var(--text);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.contact-form h3 {
    font-size: 22px;
    color: var(--primary-dark);
    margin-bottom: 24px;
    text-align: center;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--accent);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text);
    margin-bottom: 6px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s;
    background: #f8fafc;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-tip {
    text-align: center;
    color: var(--text-light);
    font-size: 12px;
    margin-top: 12px;
}

/* ===== 页脚 ===== */
.footer {
    background: #0a0e1a;
    color: rgba(255,255,255,0.7);
    padding: 50px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    color: var(--accent);
}

.footer-about {
    font-size: 13px;
    line-height: 1.7;
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 8px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
}

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

.footer-col li {
    padding: 4px 0;
    font-size: 13px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--accent);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact i {
    color: var(--accent);
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    flex-wrap: wrap;
    gap: 10px;
}

.icp {
    margin: 0;
}

/* ===== 悬浮按钮 ===== */
.floating-actions {
    position: fixed;
    right: 20px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.float-btn:hover {
    background: var(--accent);
    color: var(--primary-dark);
    transform: scale(1.1);
}

.float-btn.back-top {
    opacity: 0;
    pointer-events: none;
    background: var(--accent);
    color: var(--primary-dark);
}

.float-btn.back-top.show {
    opacity: 1;
    pointer-events: auto;
}

.wechat-btn {
    background: #07c160;
}

/* ===== 模态框 ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: #fff;
    padding: 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 320px;
    width: 100%;
    position: relative;
    animation: slideUp 0.3s;
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s;
}

.modal-close:hover {
    background: var(--border);
    color: var(--primary);
}

.modal-content h3 {
    color: var(--primary-dark);
    margin-bottom: 20px;
    font-size: 18px;
}

.qrcode {
    width: 200px;
    height: 200px;
    margin: 0 auto 16px;
    background: #fff;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.qrcode svg {
    width: 100%;
    height: 100%;
}

.modal-content p {
    color: var(--text);
    font-size: 14px;
    margin-bottom: 6px;
}

.modal-tip {
    color: var(--text-light) !important;
    font-size: 12px !important;
}

/* ===== 滚动动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 968px) {
    .hero-container,
    .about-container,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-visual {
        height: 400px;
        order: -1;
    }

    .visual-card {
        width: 280px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link {
        padding: 12px 16px;
        border-bottom: 1px solid var(--border);
        width: 100%;
    }

    .nav-phone {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

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

    .process-timeline {
        flex-direction: column;
        gap: 0;
    }

    .process-line {
        display: none;
    }

    .process-step {
        padding: 15px 0;
    }

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

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

    .about-quote {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: 20px;
    }
}

@media (max-width: 580px) {
    .hero {
        padding: 100px 0 60px;
    }

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

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .visual-card {
        width: 240px;
    }

    .floating-card {
        display: none;
    }

    section {
        padding: 60px 0;
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }

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

    .contact-form {
        padding: 24px;
    }
}