/* ========================================
   三角洲陪玩网 - 硬核军事风 + 战术电竞风
   ======================================== */

/* CSS 变量定义 */
:root {
    /* 主色调 - 军事深色系 */
    --color-bg-primary: #0d0d0d;
    --color-bg-secondary: #141414;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-card: #1f1f1f;
    --color-bg-card-hover: #252525;
    
    /* 强调色 - 战术风格 */
    --color-accent: #c9a227;
    --color-accent-dark: #a68520;
    --color-accent-light: #e6c04a;
    --color-military-green: #4a5d23;
    --color-military-green-light: #6b7d3a;
    --color-danger: #c23a3a;
    --color-success: #3a8c3a;
    
    /* 文字颜色 */
    --color-text-primary: #e8e8e8;
    --color-text-secondary: #9a9a9a;
    --color-text-muted: #666666;
    
    /* 边框 */
    --color-border: #2a2a2a;
    --color-border-light: #3a3a3a;
    
    /* 字体 */
    --font-primary: "Rajdhani", "Microsoft YaHei", "PingFang SC", sans-serif;
    --font-display: "Orbitron", "Microsoft YaHei", sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* 圆角 */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;
    
    /* 过渡 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    
    /* 容器 */
    --container-width: 1280px;
}

/* ========================================
   基础重置
   ======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* 选择文本样式 */
::selection {
    background: var(--color-accent);
    color: var(--color-bg-primary);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border-light);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* ========================================
   通用样式
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

a:hover {
    color: var(--color-accent-light);
}

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

/* ========================================
   按钮样式
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.btn-primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    color: var(--color-bg-primary);
    box-shadow: 0 0 20px rgba(201, 162, 39, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border-light);
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    font-size: 0.8em;
}

/* ========================================
   导航栏
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 1px;
}

.logo:hover {
    color: var(--color-text-primary);
}

.logo-symbol {
    color: var(--color-accent);
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

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

.nav-link:hover::after {
    width: 80%;
}

.nav-cta {
    margin-left: var(--spacing-sm);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* ========================================
   Hero 主视觉区
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(70px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: 
        linear-gradient(135deg, rgba(13, 13, 13, 0.97) 0%, rgba(20, 20, 20, 0.95) 100%),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(201, 162, 39, 0.03) 2px, rgba(201, 162, 39, 0.03) 4px);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(201, 162, 39, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(74, 93, 35, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.02)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    background: rgba(201, 162, 39, 0.1);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
}

.title-line.highlight {
    color: var(--color-accent);
    text-shadow: 0 0 40px rgba(201, 162, 39, 0.3);
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 1px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    padding: var(--spacing-md);
    background: rgba(31, 31, 31, 0.5);
    border: 1px solid var(--color-border);
}

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

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-plus,
.stat-unit {
    font-size: 0.6em;
    color: var(--color-accent-light);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border-light);
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-indicator {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    margin: 0.5rem auto 0;
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* ========================================
   通用区块样式
   ======================================== */
.section {
    padding: var(--spacing-2xl) 0;
}

.section:nth-child(even) {
    background: var(--color-bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.section-desc {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

/* ========================================
   陪玩项目
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    transition: var(--transition-normal);
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--color-accent);
    transition: var(--transition-normal);
}

.service-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-light);
    transform: translateY(-5px);
}

.service-card:hover::before {
    height: 100%;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.card-icon {
    font-size: 2rem;
}

.card-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-border-light);
    line-height: 1;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.5px;
}

.card-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.card-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.card-features li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.card-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.card-link {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================
   陪玩价格
   ======================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    align-items: stretch;
}

.price-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.price-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-5px);
}

.price-card.featured {
    border-color: var(--color-accent);
    transform: scale(1.02);
}

.price-card.featured:hover {
    transform: scale(1.02) translateY(-5px);
}

.price-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    padding: 0.35rem 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price-header {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    background: rgba(201, 162, 39, 0.03);
}

.price-tier {
    display: block;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.price-name {
    font-size: 1.25rem;
    font-weight: 700;
}

.price-body {
    padding: var(--spacing-md);
    flex: 1;
}

.price-amount {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.price-currency {
    font-size: 1.25rem;
    vertical-align: top;
    color: var(--color-text-secondary);
}

.price-value {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.price-unit {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.price-features {
    list-style: none;
}

.price-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
}

.price-features li:last-child {
    border-bottom: none;
}

.price-features .check {
    color: var(--color-success);
    font-weight: bold;
}

.price-features .cross {
    color: var(--color-text-muted);
}

.price-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.pricing-note {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.pricing-note p {
    margin-bottom: 0.25rem;
}

/* ========================================
   陪玩流程
   ======================================== */
.process-timeline {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
}

.process-step {
    flex: 1;
    min-width: 200px;
    max-width: 280px;
    text-align: center;
    padding: var(--spacing-md);
    position: relative;
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-border-light);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.step-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

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

.process-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-border), var(--color-accent), var(--color-border));
    margin-top: 3.5rem;
    flex-shrink: 0;
}

/* ========================================
   护航优势
   ======================================== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.advantage-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.advantage-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.advantage-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.advantage-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   游戏攻略
   ======================================== */
.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-md);
}

.guide-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
}

.guide-card:hover {
    border-color: var(--color-border-light);
}

.guide-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    background: rgba(201, 162, 39, 0.1);
    border: 1px solid var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.guide-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.guide-excerpt {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.guide-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.guide-link {
    font-size: 0.85rem;
    font-weight: 600;
}

.guides-more {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ========================================
   常见问题
   ======================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-sm);
    background: var(--color-bg-card);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    cursor: pointer;
    list-style: none;
    transition: var(--transition-fast);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question:hover {
    background: var(--color-bg-card-hover);
}

.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-bg-primary);
    background: var(--color-accent);
    flex-shrink: 0;
}

.faq-text {
    flex: 1;
    font-weight: 600;
}

.faq-toggle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.faq-item[open] .faq-toggle {
    transform: rotate(45deg);
    color: var(--color-accent);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    padding-left: calc(var(--spacing-md) + 28px + var(--spacing-sm));
}

.faq-answer p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ========================================
   相关资讯
   ======================================== */
.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.news-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

.news-card:hover {
    border-color: var(--color-border-light);
}

.news-card.news-featured {
    grid-column: 1;
    grid-row: 1 / span 3;
    display: flex;
    flex-direction: column;
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-border);
}

.news-placeholder {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-border-light);
    letter-spacing: 5px;
}

.news-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-tag {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-military-green-light);
    background: rgba(74, 93, 35, 0.2);
    margin-bottom: var(--spacing-xs);
    align-self: flex-start;
}

.news-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.news-featured .news-title {
    font-size: 1.25rem;
}

.news-excerpt {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    flex: 1;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.news-date {
    color: var(--color-text-muted);
}

.news-link {
    font-weight: 600;
}

.news-more {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ========================================
   联系预约
   ======================================== */
.contact {
    background: 
        linear-gradient(135deg, rgba(13, 13, 13, 0.98) 0%, rgba(20, 20, 20, 0.98) 100%),
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(201, 162, 39, 0.02) 10px, rgba(201, 162, 39, 0.02) 20px);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.contact-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.method-icon {
    font-size: 1.5rem;
}

.method-content h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.method-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-bg-secondary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%239a9a9a" stroke-width="2"><polyline points="6,9 12,15 18,9"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-slogan {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-column a {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

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

.footer-bottom {
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg-secondary);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
        border-bottom: 1px solid var(--color-border);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-cta {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card.news-featured {
        grid-column: 1;
        grid-row: auto;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-items: center;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-2xl: 4rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .stat-divider {
        width: 60px;
        height: 1px;
    }
    
    .process-timeline {
        flex-direction: column;
        align-items: center;
    }
    
    .process-connector {
        width: 2px;
        height: 30px;
        margin: 0;
        background: linear-gradient(to bottom, var(--color-border), var(--color-accent), var(--color-border));
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .services-grid,
    .guides-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .price-card.featured {
        transform: none;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}