/*
Theme Name: WHSZ Theme
Theme URI: https://whszgeo.com
Author: 皖禾数智
Author URI: https://whszgeo.com
Description: 皖禾数智企业展示官网主题 - 简洁高端科技感设计
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: whsz-theme
Tags: business, corporate, technology, modern, responsive
*/

/* ===== CSS Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #06b6d4;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #475569;
    --text-light: #f8fafc;
    --border-color: #e2e8f0;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--light-bg);
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-weight: 400;
}

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

a:hover {
    color: var(--secondary-color);
}

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Header ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-navigation a {
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.3) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-light);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    margin-bottom: 2rem;
    color: #cbd5e1;
}

.hero-cta {
    display: inline-flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* ===== Features Section ===== */
.features-section {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    border-radius: 1rem;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 0.75rem;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-description {
    color: var(--text-secondary);
}

/* ===== About Section ===== */
.about-section {
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.about-image {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

/* ===== Services Section ===== */
.services-section {
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    border-radius: 1rem;
    background: var(--light-bg);
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

/* ===== Contact Section ===== */
.contact-section {
    background: var(--gradient-dark);
    color: var(--text-light);
}

.contact-section .section-title {
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-section .section-subtitle {
    color: #cbd5e1;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.contact-title {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.contact-info {
    color: #cbd5e1;
}

/* ===== Footer ===== */
.site-footer {
    background: #020617;
    color: var(--text-light);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p,
.footer-section a {
    color: #cbd5e1;
}

.footer-section a:hover {
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    font-size: 0.875rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-navigation {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        padding: 1rem;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .main-navigation.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .section {
        padding: 3rem 0;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* ===== Accessibility ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== Page Hero ===== */
.page-hero {
    background: var(--gradient-dark);
    padding: 8rem 0 3rem;
    text-align: center;
    color: var(--text-light);
}

.page-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.125rem;
    color: #cbd5e1;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: #cbd5e1;
}

.breadcrumb a {
    color: #cbd5e1;
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb .separator {
    margin: 0 0.5rem;
}

/* ===== Page Content Intro ===== */
.page-content-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.page-content-intro p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ===== Contact Section ===== */
.contact-section-main {
    background: white;
}

.contact-grid-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.contact-info-section h2,
.contact-map-section h2 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 0.5rem;
    color: white;
}

.contact-details h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.contact-details p {
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
}

.contact-details a {
    color: var(--primary-color);
    font-weight: 500;
}

.contact-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== Map Section ===== */
.map-container {
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 1rem;
}

.map-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Service Area Section ===== */
.service-area-section {
    margin-bottom: 4rem;
}

.service-area-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    text-align: center;
}

.service-area-section > p {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.area-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.area-item {
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 0.75rem;
    text-align: center;
    border: 1px solid var(--border-color);
}

.area-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.area-item p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* ===== Business Section ===== */
.business-section {
    text-align: center;
}

.business-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.business-section > p {
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.business-item {
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.business-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.business-item p {
    color: var(--text-secondary);
}

.business-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Responsive Contact ===== */
@media (max-width: 768px) {
    .contact-grid-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .area-grid,
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .page-hero {
        padding: 6rem 0 2rem;
    }
}

/* ===== 全面响应式优化 ===== */

/* 平板横屏和大屏手机 (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 0 2rem;
    }
    
    .features-grid,
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        gap: 2rem;
    }
    
    .hero-title {
        font-size: clamp(2rem, 5vw, 3.5rem);
    }
}

/* 平板竖屏 (max-width: 768px) */
@media (max-width: 768px) {
    /* 基础布局调整 */
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    /* 导航优化 */
    .header-container {
        padding: 0.75rem 1rem;
    }
    
    .site-logo {
        font-size: 1.25rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
        padding: 0.5rem;
    }
    
    .main-navigation {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        padding: 2rem 1rem;
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        z-index: 999;
    }
    
    .main-navigation.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 0;
        align-items: stretch;
    }
    
    .main-navigation li {
        border-bottom: 1px solid var(--border-color);
    }
    
    .main-navigation a {
        display: block;
        padding: 1rem 0;
        font-size: 1.125rem;
        text-align: center;
    }
    
    .main-navigation a::after {
        display: none;
    }
    
    /* Hero 区域优化 */
    .hero-section {
        min-height: 80vh;
        padding-top: 60px;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: 0.75rem 1.5rem;
    }
    
    /* 网格布局优化 */
    .features-grid,
    .services-grid,
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* 页面标题优化 */
    .page-hero {
        padding: 5rem 0 2rem;
    }
    
    .page-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    /* 联系区域优化 */
    .contact-grid-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .area-grid,
    .business-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* 页脚优化 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-section h4 {
        font-size: 1.125rem;
    }
    
    /* 间距优化 */
    h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); }
    h2 { font-size: clamp(1.5rem, 4vw, 2rem); }
    h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .section-title {
        font-size: clamp(1.5rem, 4vw, 2rem);
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
}

/* 小屏手机 (max-width: 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    /* 导航进一步优化 */
    .header-container {
        padding: 0.5rem 0.75rem;
    }
    
    .site-logo {
        font-size: 1.125rem;
    }
    
    .main-navigation {
        top: 50px;
        padding: 1.5rem 0.75rem;
    }
    
    .main-navigation a {
        font-size: 1rem;
        padding: 0.875rem 0;
    }
    
    /* Hero 区域 */
    .hero-section {
        min-height: 70vh;
        padding-top: 50px;
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }
    
    .hero-subtitle {
        font-size: 0.9375rem;
    }
    
    .btn {
        font-size: 0.9375rem;
        padding: 0.625rem 1.25rem;
    }
    
    /* 卡片优化 */
    .feature-card,
    .service-card,
    .blog-card {
        padding: 1.25rem;
    }
    
    .feature-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    /* 统计数据优化 */
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.8125rem;
    }
    
    /* 页面标题 */
    .page-hero {
        padding: 4rem 0 1.5rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    /* 联系信息优化 */
    .contact-item {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        margin: 0 auto 0.75rem;
    }
    
    /* 间距进一步优化 */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    
    p {
        font-size: 0.9375rem;
    }
    
    .section-header {
        margin-bottom: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.9375rem;
    }
}

/* 超小屏手机 (max-width: 360px) */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.875rem;
    }
    
    .btn {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
    }
    
    .page-title {
        font-size: 1.25rem;
    }
}

/* 横屏模式优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: 80px 0 2rem;
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 4vw, 2rem);
    }
    
    .page-hero {
        padding: 3rem 0 1.5rem;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    /* 增大触摸目标 */
    .btn,
    .main-navigation a,
    .mobile-menu-toggle {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* 移除悬停效果 */
    .feature-card:hover,
    .service-card:hover,
    .blog-card:hover {
        transform: none;
    }
    
    /* 优化点击反馈 */
    .btn:active {
        transform: scale(0.98);
    }
    
    .main-navigation a:active {
        background: var(--light-bg);
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* 打印优化 */
@media print {
    .site-header,
    .site-footer,
    .mobile-menu-toggle,
    .hero-cta,
    .btn {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .container {
        max-width: 100%;
    }
    
    .section {
        padding: 1rem 0;
        page-break-inside: avoid;
    }
}