/* ========================================
   Template 008 - 深蓝商务B2B风格
======================================== */

/* 基础重置与变量 */
:root {
    --primary: #165DFF;
    --primary-dark: #0E42B3;
    --primary-light: #E8F3FF;
    --secondary: #0FC6C2;
    --accent: #FF7D00;
    --dark: #1D2129;
    --dark-2: #4E5969;
    --dark-3: #86909C;
    --light: #F2F3F5;
    --light-2: #F7F8FA;
    --white: #FFFFFF;
    --border: #E5E6EB;
    --success: #00B42A;
    --warning: #FF7D00;
    --danger: #F53F3F;
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
    --container: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
    list-style: none;
}

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

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 14px;
    width: 100%;
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
}

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

/* 通用按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

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

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

.btn-outline:hover {
    background-color: var(--primary-light);
}

/* 通用区块标题 */
.section-header {
    margin-bottom: 48px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.section-header.center {
    text-align: center;
    flex-direction: column;
    align-items: center;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
    background-color: var(--primary-light);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.section-tag.light {
    background-color: rgba(255,255,255,0.2);
    color: var(--white);
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
    color: var(--dark);
}

.section-desc {
    font-size: 16px;
    color: var(--dark-2);
    max-width: 600px;
}

.section-header.center .section-desc {
    margin: 0 auto;
}

.more-link {
    color: var(--primary);
    font-weight: 500;
}

.more-link:hover {
    color: var(--primary-dark);
}

.subsection-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}

/* 顶部信息栏 */
.top-bar {
    background-color: var(--dark);
    color: var(--white);
    font-size: 13px;
    padding: 8px 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-phone {
    color: var(--white);
}

.top-phone:hover {
    color: var(--primary-light);
}

.top-consult {
    color: var(--white);
    padding: 4px 12px;
    background-color: var(--primary);
    border-radius: var(--radius-sm);
}

.top-consult:hover {
    background-color: var(--primary-dark);
}

/* 主导航 */
.main-header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

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

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
}

.main-nav ul {
    display: flex;
    gap: 32px;
}

.main-nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--dark-2);
    padding: 8px 0;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    border-radius: 1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--dark);
    border-radius: 1px;
    transition: var(--transition);
}

/* Hero 首屏 */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #F7F9FC 0%, #E8F3FF 100%);
    overflow: hidden;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 180, 42, 0.4); }
    70% { box-shadow: 0 0 0 8px rgba(0, 180, 42, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 180, 42, 0); }
}

.hero-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--dark);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--dark-2);
    line-height: 1.8;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.hero-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--dark-2);
}

.hero-phone {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.hero-visual {
    position: relative;
}

.hero-image-wrap {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image {
    width: 100%;
    height: auto;
}

.floating-card {
    position: absolute;
    background-color: var(--white);
    padding: 16px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 20px;
    left: -20px;
}

.card-2 {
    bottom: 30px;
    right: -20px;
    animation-delay: 1s;
}

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

.card-icon {
    font-size: 28px;
}

.card-num {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1;
}

.card-label {
    font-size: 13px;
    color: var(--dark-3);
}

/* 数据条 */
.stats-bar {
    background-color: var(--primary);
    color: var(--white);
    padding: 32px 0;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 40px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: rgba(255,255,255,0.2);
}

/* 服务区 */
.services {
    padding: 80px 0;
    background-color: var(--white);
}

.services-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 32px;
}

.category-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: sticky;
    top: 100px;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius);
    font-weight: 500;
    color: var(--dark-2);
    text-align: left;
    transition: var(--transition);
    border: 1px solid transparent;
}

.category-item:hover {
    background-color: var(--light-2);
    color: var(--primary);
}

.category-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
    border-color: rgba(22, 93, 255, 0.2);
}

.cat-icon {
    font-size: 20px;
}

.service-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.service-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.service-header {
    margin-bottom: 28px;
}

.service-header h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-header p {
    color: var(--dark-2);
    line-height: 1.8;
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 20px;
}

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

.package-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.package-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.package-card.featured {
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(22, 93, 255, 0.15);
}

.package-badge {
    position: absolute;
    top: 16px;
    right: -30px;
    background-color: var(--accent);
    color: var(--white);
    font-size: 12px;
    padding: 4px 32px;
    transform: rotate(45deg);
    font-weight: 500;
}

.package-header {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.package-header h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.package-price {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.package-price span {
    font-size: 14px;
    font-weight: 400;
    color: var(--dark-3);
}

.package-features {
    margin-bottom: 24px;
}

.package-features li {
    padding: 8px 0;
    color: var(--dark-2);
    position: relative;
    padding-left: 24px;
}

.package-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.service-note {
    padding: 16px;
    background-color: #FFF7E8;
    border-radius: var(--radius);
    border-left: 4px solid var(--warning);
    font-size: 14px;
    color: var(--dark-2);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.feature-item {
    padding: 24px;
    background-color: var(--light-2);
    border-radius: var(--radius-lg);
}

.feature-item h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

.feature-item p {
    color: var(--dark-2);
    font-size: 14px;
    line-height: 1.7;
}

.price-note {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: var(--primary-light);
    border-radius: var(--radius);
}

.price-note p {
    color: var(--dark);
    font-weight: 500;
}

.spec-table {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 20px;
}

.spec-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1.5fr 1.5fr;
}

.spec-row > div {
    padding: 16px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.spec-row > div:last-child {
    border-right: none;
}

.spec-row:last-child > div {
    border-bottom: none;
}

.spec-head {
    background-color: var(--light-2);
    font-weight: 600;
    color: var(--dark);
}

.growth-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 20px;
}

.growth-item {
    text-align: center;
    padding: 32px 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.growth-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.growth-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.growth-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.growth-item p {
    color: var(--dark-2);
    font-size: 14px;
    line-height: 1.7;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.tool-card {
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.tool-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.tool-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.tool-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tool-card p {
    color: var(--dark-2);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.tool-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.tool-price span {
    font-size: 14px;
    font-weight: 400;
    color: var(--dark-3);
}

/* 流程区 */
.process {
    padding: 80px 0;
    background-color: var(--light-2);
}

.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    position: relative;
}

.step-item {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-num {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    color: var(--dark-2);
    line-height: 1.7;
    padding: 0 16px;
}

.step-line {
    flex: 0.5;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin-top: 32px;
    z-index: 1;
}

/* 优势区 */
.advantages {
    padding: 80px 0;
    background-color: var(--white);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.advantage-card {
    padding: 32px 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.advantage-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.adv-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.advantage-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.advantage-card p {
    color: var(--dark-2);
    font-size: 14px;
    line-height: 1.7;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    padding: 28px;
    background-color: var(--light-2);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
}

.case-tag {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
    font-weight: 500;
}

.case-card h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-card p {
    color: var(--dark-2);
    font-size: 14px;
    line-height: 1.7;
}

/* FAQ */
.faq {
    padding: 80px 0;
    background-color: var(--light-2);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    text-align: left;
    font-size: 16px;
    font-weight: 500;
    color: var(--dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background-color: var(--dark-3);
    transition: var(--transition);
}

.faq-icon::before {
    width: 2px;
    height: 20px;
    top: 0;
    left: 9px;
}

.faq-icon::after {
    width: 20px;
    height: 2px;
    top: 9px;
    left: 0;
}

.faq-item.active .faq-icon::before {
    transform: rotate(90deg);
    background-color: var(--primary);
}

.faq-item.active .faq-icon::after {
    background-color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--dark-2);
    line-height: 1.8;
}

/* 资讯区 */
.news {
    padding: 80px 0;
    background-color: var(--white);
}

/* 强制资讯列表样式 - 不得修改 */
ul.article-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
    box-sizing: border-box;
}

ul.article-cards > li.article-card {
    min-width: 0;
    width: auto;
    box-sizing: border-box;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    background-color: var(--white);
}

ul.article-cards > li.article-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.article-card .card-thumb {
    width: 100%;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.article-card .card-thumb img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .card-thumb img {
    transform: scale(1.05);
}

.article-card .card-title {
    overflow-wrap: anywhere;
    font-size: 16px;
    font-weight: 600;
    padding: 16px 16px 8px;
    line-height: 1.5;
    color: var(--dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card .card-date {
    display: block;
    font-size: 13px;
    color: var(--dark-3);
    padding: 0 16px 8px;
}

.article-card .card-summary {
    overflow-wrap: anywhere;
    font-size: 14px;
    color: var(--dark-2);
    padding: 0 16px 16px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background-color: var(--light-2);
}

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

.about-text {
    font-size: 15px;
    color: var(--dark-2);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-actions {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.about-cards {
    display: grid;
    gap: 20px;
}

.about-card {
    background-color: var(--white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
}

.about-card-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.about-card h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.about-card p {
    color: var(--dark-2);
    font-size: 14px;
    line-height: 1.7;
}

/* 在线申请 */
.apply {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.apply-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.apply-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.apply-content p {
    font-size: 16px;
    opacity: 0.9;
    line-height: 1.8;
    margin-bottom: 32px;
}

.apply-contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 14px;
    opacity: 0.8;
}

.contact-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

.apply-form-wrap {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.apply-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    color: var(--dark);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* 页脚 */
.main-footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo .logo-mark {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.footer-logo .logo-text {
    color: var(--white);
    font-size: 20px;
    font-weight: 700;
}

.footer-desc {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-contact p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-contact a {
    color: var(--white);
    font-weight: 500;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.footer-col ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 13px;
}

.footer-links a:hover {
    color: var(--white);
}

.copyright {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
}

/* 文章详情页 */
.article-detail {
    padding: 40px 0 80px;
    background-color: var(--light-2);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 32px;
}

.breadcrumb {
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--dark-3);
}

.breadcrumb a {
    color: var(--dark-3);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.article-main {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.article-title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
    color: var(--dark);
}

.article-meta {
    display: flex;
    gap: 24px;
    font-size: 14px;
    color: var(--dark-3);
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.article-summary {
    font-size: 16px;
    color: var(--dark-2);
    line-height: 1.8;
    padding: 20px;
    background-color: var(--primary-light);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    margin-bottom: 24px;
    font-weight: 500;
}

.article-cover {
    margin-bottom: 32px;
    border-radius: var(--radius);
    overflow: hidden;
}

.article-cover img {
    width: 100%;
    height: auto;
}

.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--dark);
}

.article-content p {
    margin-bottom: 20px;
}

.article-content h2,
.article-content h3 {
    margin: 32px 0 16px;
    font-weight: 600;
}

.article-content h2 {
    font-size: 22px;
}

.article-content h3 {
    font-size: 18px;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 20px 0;
}

.article-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.article-nav-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.nav-link {
    padding: 10px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--dark-2);
}

.nav-link:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.nav-link.highlight {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.nav-link.highlight:hover {
    background-color: var(--primary-dark);
}

.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 100px;
    align-self: flex-start;
}

.sidebar-card {
    background-color: var(--white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.sidebar-text {
    font-size: 14px;
    color: var(--dark-2);
    line-height: 1.7;
    margin-bottom: 20px;
}

.sidebar-card .btn {
    margin-bottom: 12px;
}

.sidebar-service-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.sidebar-service-list li:last-child {
    border-bottom: none;
}

.sidebar-service-list li a {
    font-size: 14px;
    color: var(--dark-2);
}

.sidebar-service-list li a:hover {
    color: var(--primary);
}

/* 响应式 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 36px;
    }
    
    .package-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .article-layout {
        grid-template-columns: 1fr;
    }
    
    .article-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
    
    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--shadow);
        padding: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
    }
    
    .main-nav.open {
        transform: translateY(0);
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 16px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .header-actions .btn {
        display: none;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .floating-card {
        display: none;
    }
    
    .stats-grid {
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .stat-item {
        width: 45%;
    }
    
    .services-layout {
        grid-template-columns: 1fr;
    }
    
    .category-nav {
        flex-direction: row;
        overflow-x: auto;
        position: static;
        padding-bottom: 8px;
    }
    
    .category-item {
        white-space: nowrap;
    }
    
    .package-grid,
    .package-grid.two-col {
        grid-template-columns: 1fr;
    }
    
    .feature-grid,
    .growth-features,
    .tool-grid {
        grid-template-columns: 1fr;
    }
    
    .spec-row {
        grid-template-columns: 1fr;
    }
    
    .spec-row > div {
        border-right: none;
    }
    
    .process-steps {
        flex-direction: column;
        gap: 24px;
    }
    
    .step-line {
        display: none;
    }
    
    .step-item {
        text-align: left;
        display: flex;
        gap: 20px;
        align-items: flex-start;
    }
    
    .step-num {
        margin: 0;
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .step-content p {
        padding: 0;
    }
    
    .advantage-grid,
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .apply-wrap {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .apply-form-wrap {
        padding: 24px;
    }
    
    .apply-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .article-main {
        padding: 24px;
    }
    
    .article-title {
        font-size: 22px;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .price-note {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}