/* ============================================
   禾久机械 - 现代工业风设计
   主色：深灰 #1a1a2e | 金属蓝 #00d4ff | 工业橙 #ff6b35
   ============================================ */

:root {
    --color-dark: #0f0f1a;
    --color-dark-secondary: #1a1a2e;
    --color-dark-tertiary: #16213e;
    --color-accent: #00d4ff;
    --color-accent-hover: #00b8e0;
    --color-orange: #ff6b35;
    --color-orange-hover: #e55a2b;
    --color-text: #e4e4e7;
    --color-text-muted: #a1a1aa;
    --color-text-dark: #18181b;
    --color-border: #27272a;
    --color-card: #1e1e2f;
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);
    --shadow-glow-orange: 0 0 20px rgba(255, 107, 53, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

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

/* 金属质感背景纹理 */
.metal-texture {
    background-image:
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 2px,
            rgba(255,255,255,0.01) 2px,
            rgba(255,255,255,0.01) 4px
        );
}

/* 网格布局容器 */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   顶部导航
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 15, 26, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.navbar-logo img {
    height: 40px;
    width: auto;
}

.navbar-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.05em;
}

.navbar-logo-text span {
    color: var(--color-accent);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
}

.navbar-nav a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
    position: relative;
}

.navbar-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.2s ease;
}

.navbar-nav a:hover,
.navbar-nav a.cur {
    color: var(--color-accent);
}

.navbar-nav a:hover::after,
.navbar-nav a.cur::after {
    width: 60%;
}

.navbar-contact {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-orange);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-orange);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.navbar-phone:hover {
    background: var(--color-orange);
    color: var(--color-dark);
    box-shadow: var(--shadow-glow-orange);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端导航 */
.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-dark);
    z-index: 999;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav a {
    display: block;
    padding: 1rem 0;
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--color-border);
}

/* ============================================
   Hero 区域
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 72px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-secondary) 50%, var(--color-dark-tertiary) 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 107, 53, 0.06) 0%, transparent 50%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 9999px;
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.hero-title .accent {
    color: var(--color-accent);
    position: relative;
}

.hero-title .accent::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    right: 0;
    height: 8px;
    background: rgba(0, 212, 255, 0.2);
    z-index: -1;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

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

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-accent-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

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

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

.btn-orange {
    background: var(--color-orange);
    color: var(--color-dark);
}

.btn-orange:hover {
    background: var(--color-orange-hover);
    box-shadow: var(--shadow-glow-orange);
    transform: translateY(-2px);
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ============================================
   通用区块样式
   ============================================ */
.section {
    padding: 5rem 0;
    position: relative;
}

.section-dark {
    background: var(--color-dark-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 9999px;
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   服务卡片
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-orange));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), var(--shadow-glow);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--color-accent);
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   工艺流程
   ============================================ */
.process-flow {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    flex-wrap: wrap;
    position: relative;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 1.5rem;
    position: relative;
    z-index: 2;
}

.process-step-number {
    width: 64px;
    height: 64px;
    background: var(--color-card);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.process-step:hover .process-step-number {
    background: var(--color-accent);
    color: var(--color-dark);
    box-shadow: var(--shadow-glow);
    transform: scale(1.1);
}

.process-step-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.process-step-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    max-width: 160px;
}

.process-connector {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-orange));
    margin-top: 32px;
    position: relative;
    z-index: 1;
}

.process-connector::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -3px;
    border-left: 8px solid var(--color-orange);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

/* ============================================
   关于我们
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-main {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

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

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--color-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: var(--shadow-glow);
}

.about-image-accent span {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-dark);
}

.about-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.about-content p {
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.about-feature:hover {
    border-color: rgba(0, 212, 255, 0.3);
}

.about-feature-icon {
    width: 36px;
    height: 36px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
}

.about-feature span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ============================================
   车间展示
   ============================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    group: true;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 15, 26, 0.9) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    color: var(--color-text);
    font-weight: 500;
    font-size: 1rem;
}

/* ============================================
   新闻资讯
   ============================================ */
.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.news-main {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-main:hover {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.news-main-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.news-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-main-content {
    padding: 1.5rem;
}

.news-main-date {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 0.75rem;
}

.news-main-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.news-main-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.news-main-title a:hover {
    color: var(--color-accent);
}

.news-main-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-item {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: all 0.2s ease;
    text-decoration: none;
}

.news-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateX(4px);
}

.news-item-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 64px;
    padding: 0.5rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 8px;
    color: var(--color-accent);
}

.news-item-date .day {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
}

.news-item-date .month {
    font-size: 0.75rem;
    opacity: 0.8;
}

.news-item-content {
    flex: 1;
}

.news-item-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.375rem;
    line-height: 1.4;
}

.news-item-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.faq-item {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.2s ease;
}

.faq-item:hover {
    border-color: rgba(0, 212, 255, 0.2);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    color: var(--color-text);
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

/* ============================================
   联系/CTA
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-dark-secondary) 0%, var(--color-dark-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(255, 107, 53, 0.06) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 4rem 2rem;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-phones {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.cta-phone {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.cta-phone:hover {
    border-color: var(--color-orange);
    box-shadow: var(--shadow-glow-orange);
}

.cta-phone-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-orange);
}

.cta-phone-info {
    text-align: left;
}

.cta-phone-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.cta-phone-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-orange);
}

/* ============================================
   底部
   ============================================ */
.footer {
    background: var(--color-dark-secondary);
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.footer-logo img {
    height: 36px;
}

.footer-logo span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.footer-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-contact-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1.25rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

.footer-qrcode {
    text-align: center;
}

.footer-qrcode img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.footer-qrcode p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-links-bottom {
    display: flex;
    gap: 1.5rem;
}

.footer-links-bottom a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s ease;
}

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

/* ============================================
   页面头部（内页）
   ============================================ */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--color-dark-secondary) 0%, var(--color-dark-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%);
}

.page-header-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.page-breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.page-breadcrumb a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.page-breadcrumb span {
    color: var(--color-accent);
}

/* ============================================
   内容区域（内页）
   ============================================ */
.content-area {
    padding: 4rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 3rem;
}

.sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.sidebar-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: block;
    padding: 0.625rem 1rem;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.sidebar-menu a:hover,
.sidebar-menu a.cur {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent);
}

.main-content {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2rem;
}

.article-content {
    color: var(--color-text);
    line-height: 1.9;
    font-size: 1rem;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
    color: var(--color-text);
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.article-content h1 { font-size: 1.75rem; }
.article-content h2 { font-size: 1.5rem; }
.article-content h3 { font-size: 1.25rem; }

.article-content p {
    margin-bottom: 1.25rem;
    color: var(--color-text-muted);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
    color: var(--color-text-muted);
}

.article-content li {
    margin-bottom: 0.5rem;
}

/* 列表页 */
.list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.list-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
}

.list-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.list-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.list-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.list-card:hover .list-card-image img {
    transform: scale(1.05);
}

.list-card-content {
    padding: 1.5rem;
}

.list-card-date {
    font-size: 0.8rem;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.list-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.list-card-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.pagination a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.pagination .current {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-dark);
    font-weight: 600;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

    .sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .navbar-nav,
    .navbar-contact {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-nav {
        display: block;
    }

    .hero-stats {
        gap: 2rem;
    }

    .hero-stat-number {
        font-size: 2rem;
    }

    .process-flow {
        flex-direction: column;
        align-items: center;
    }

    .process-connector {
        width: 2px;
        height: 40px;
        margin: 0;
        background: linear-gradient(180deg, var(--color-accent), var(--color-orange));
    }

    .process-connector::after {
        right: -3px;
        top: auto;
        bottom: -4px;
        border-left: 4px solid transparent;
        border-right: 4px solid transparent;
        border-top: 8px solid var(--color-orange);
    }

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

    .cta-phones {
        flex-direction: column;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .section {
        padding: 3rem 0;
    }
}

/* ============================================
   工具类
   ============================================ */
.text-accent { color: var(--color-accent); }
.text-orange { color: var(--color-orange); }
.text-muted { color: var(--color-text-muted); }
.bg-card { background: var(--color-card); }
.bg-dark { background: var(--color-dark); }
.rounded { border-radius: 8px; }
.rounded-lg { border-radius: 12px; }
.shadow-glow { box-shadow: var(--shadow-glow); }
.shadow-glow-orange { box-shadow: var(--shadow-glow-orange); }

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease forwards;
}

/* 延迟动画 */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }

/* 初始隐藏（用于滚动触发） */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* ============================================
   列表页 v2 — 编辑式资讯时间轴
   ============================================ */
.list-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2.5rem;
    align-items: start;
}

.list-sidebar {
    position: sticky;
    top: 96px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.list-panel {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    overflow: hidden;
}

.list-panel-head {
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--color-text);
}

.list-panel-head::before {
    content: '';
    width: 4px;
    height: 16px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-orange));
    border-radius: 2px;
}

.cat-menu {
    list-style: none;
    padding: 0.6rem;
}

.cat-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 0.9rem;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.93rem;
    transition: all 0.2s ease;
}

.cat-menu a::before {
    content: '';
    width: 6px;
    height: 6px;
    border: 1px solid var(--color-text-muted);
    border-radius: 50%;
    margin-right: 0.7rem;
    transition: all 0.2s ease;
}

.cat-menu a {
    justify-content: flex-start;
}

.cat-menu a:hover,
.cat-menu a.cur {
    background: rgba(0, 212, 255, 0.08);
    color: var(--color-accent);
}

.cat-menu a:hover::before,
.cat-menu a.cur::before {
    background: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
}

/* 侧栏联系卡 */
.side-contact {
    padding: 1.4rem;
    background: linear-gradient(160deg, rgba(0, 212, 255, 0.08), rgba(255, 107, 53, 0.05));
}

.side-contact-title {
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.side-contact-desc {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.side-phone {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.8rem 1rem;
    background: rgba(15, 15, 26, 0.6);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 10px;
    text-decoration: none;
    margin-bottom: 0.7rem;
    transition: all 0.2s ease;
}

.side-phone:hover {
    border-color: var(--color-orange);
    box-shadow: var(--shadow-glow-orange);
}

.side-phone svg {
    color: var(--color-orange);
    flex-shrink: 0;
}

.side-phone-label {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    line-height: 1.2;
}

.side-phone-num {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-orange);
    line-height: 1.2;
}

.side-addr {
    display: flex;
    gap: 0.6rem;
    font-size: 0.83rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.side-addr svg {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 3px;
}

/* 热门排行 */
.hot-list {
    list-style: none;
    padding: 0.8rem 1.1rem 1.1rem;
}

.hot-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 0.55rem 0;
}

.hot-rank {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    border-radius: 6px;
    background: var(--color-dark);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.hot-list li:nth-child(-n+3) .hot-rank {
    background: linear-gradient(135deg, var(--color-orange), #ff8a5c);
    border-color: transparent;
    color: var(--color-dark);
}

.hot-list a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.88rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
}

.hot-list a:hover {
    color: var(--color-accent);
}

/* 主列表区 */
.feed {
    display: flex;
    flex-direction: column;
}

/* 焦点文章 */
.featured-story {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 1.8rem;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 1.4rem;
    margin-bottom: 1.8rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.featured-story::before {
    content: '头条';
    position: absolute;
    top: 1.4rem;
    left: 0;
    background: linear-gradient(90deg, var(--color-orange), #ff8a5c);
    color: var(--color-dark);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 0.25rem 0.7rem 0.25rem 0.55rem;
    border-radius: 0 6px 6px 0;
    z-index: 2;
}

.featured-story:hover {
    border-color: rgba(0, 212, 255, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 16px 44px rgba(0, 0, 0, 0.35), var(--shadow-glow);
}

.featured-thumb {
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--color-dark);
}

.featured-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.featured-story:hover .featured-thumb img {
    transform: scale(1.06);
}

.featured-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.featured-title {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.4;
    margin: 0.6rem 0 0.8rem;
    transition: color 0.2s ease;
}

.featured-story:hover .featured-title {
    color: var(--color-accent);
}

.featured-desc {
    font-size: 0.93rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1.1rem;
}

.story-meta {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.story-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.story-meta svg {
    opacity: 0.7;
}

.story-more {
    margin-left: auto;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.82rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: gap 0.2s ease;
}

.featured-story:hover .story-more {
    gap: 0.55rem;
}

/* 时间轴文章流 */
.story-row {
    display: grid;
    grid-template-columns: 86px 1fr;
    gap: 1.4rem;
    padding: 1.5rem 0.4rem 1.5rem 0;
    text-decoration: none;
    position: relative;
    transition: all 0.25s ease;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
}

.story-row:last-child {
    border-bottom: none;
}

.story-row:hover {
    transform: translateX(6px);
}

/* 时间轴日期块 */
.story-date {
    position: relative;
    text-align: center;
    padding-top: 0.15rem;
}

.story-date::after {
    content: '';
    position: absolute;
    top: 52px;
    bottom: -28px;
    left: 50%;
    width: 1px;
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.35), transparent);
}

.story-row:last-child .story-date::after {
    display: none;
}

.story-date-dot {
    position: relative;
    z-index: 2;
    width: 11px;
    height: 11px;
    margin: 0 auto 0.55rem;
    border-radius: 50%;
    background: var(--color-dark);
    border: 2px solid var(--color-accent);
    transition: all 0.25s ease;
}

.story-row:hover .story-date-dot {
    background: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.15), 0 0 12px rgba(0, 212, 255, 0.7);
}

.story-date-day {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1;
    transition: color 0.2s ease;
}

.story-row:hover .story-date-day {
    color: var(--color-accent);
}

.story-date-ym {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
    letter-spacing: 0.05em;
}

.story-main {
    min-width: 0;
    display: flex;
    gap: 1.3rem;
}

.story-text {
    flex: 1;
    min-width: 0;
}

.story-title {
    font-size: 1.12rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.45;
    margin-bottom: 0.55rem;
    transition: color 0.2s ease;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.story-row:hover .story-title {
    color: var(--color-accent);
}

.story-title-arrow {
    color: var(--color-accent);
    opacity: 0;
    transform: translateX(-6px);
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.story-row:hover .story-title-arrow {
    opacity: 1;
    transform: translateX(0);
}

.story-desc {
    font-size: 0.89rem;
    color: var(--color-text-muted);
    line-height: 1.75;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.7rem;
}

.story-thumb {
    width: 168px;
    height: 112px;
    flex-shrink: 0;
    border-radius: 10px;
    overflow: hidden;
    background: var(--color-dark);
}

.story-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.story-row:hover .story-thumb img {
    transform: scale(1.07);
}

/* 无数据 */
.feed-empty {
    text-align: center;
    padding: 5rem 2rem;
    color: var(--color-text-muted);
}

.feed-empty svg {
    width: 56px;
    height: 56px;
    margin-bottom: 1rem;
    opacity: 0.4;
}

/* 分页美化 */
.feed-pages {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
}

.feed-pages ul,
.feed-pages .pagination,
.feed-pages p {
    display: flex;
    gap: 0.45rem;
    list-style: none;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0;
}

.feed-pages a,
.feed-pages span,
.feed-pages li a,
.feed-pages li span {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.85rem !important;
    background: var(--color-card) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: 9px !important;
    color: var(--color-text-muted) !important;
    text-decoration: none !important;
    font-size: 0.88rem;
    transition: all 0.2s ease;
}

.feed-pages a:hover {
    border-color: var(--color-accent) !important;
    color: var(--color-accent) !important;
}

.feed-pages .current,
.feed-pages li.active span,
.feed-pages li.active a {
    background: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
    color: var(--color-dark) !important;
    font-weight: 700;
}

.feed-pages .disabled span,
.feed-pages .disabled a {
    opacity: 0.4;
    cursor: not-allowed;
}

/* 列表页响应式 */
@media (max-width: 1024px) {
    .list-layout {
        grid-template-columns: 1fr;
    }

    .list-sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .featured-story {
        grid-template-columns: 280px 1fr;
    }
}

@media (max-width: 768px) {
    .list-sidebar {
        grid-template-columns: 1fr;
    }

    .featured-story {
        grid-template-columns: 1fr;
        gap: 1.1rem;
    }

    .featured-thumb {
        aspect-ratio: 16 / 9;
    }

    .featured-title {
        font-size: 1.18rem;
    }

    .story-row {
        grid-template-columns: 64px 1fr;
        gap: 0.9rem;
        padding: 1.2rem 0;
    }

    .story-date::after {
        top: 44px;
        bottom: -22px;
    }

    .story-date-day {
        font-size: 1.2rem;
    }

    .story-main {
        flex-direction: column-reverse;
        gap: 0.8rem;
    }

    .story-thumb {
        width: 100%;
        height: 180px;
    }

    .story-title {
        font-size: 1.02rem;
    }
}

/* 列表页 v2 补丁：1024px 联系卡跨满侧栏两列 */
@media (min-width: 769px) and (max-width: 1024px) {
    .list-sidebar .side-contact {
        grid-column: 1 / -1;
    }
}