/* ========== 基础重置与变量 ========== */
:root {
    --bg-dark: #f0f4f8;
    --bg-card: #ffffff;
    --primary: #0088cc;
    --primary-dim: rgba(0, 136, 204, 0.08);
    --secondary: #0055aa;
    --accent: #00a0e0;
    --text: #1a2332;
    --text-dim: #5a6a7d;
    --border: rgba(0, 0, 0, 0.06);
    --glass: rgba(255, 255, 255, 0.85);
    --shadow-glow: 0 4px 20px rgba(0, 136, 204, 0.12);
    --header-height: 70px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

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

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

/* ========== 粒子画布背景 ========== */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ========== 页面切换动画 ========== */
.page-wrapper {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    position: relative;
    z-index: 1;
}

.page-wrapper.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 加载动画 ========== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========== 导航栏 ========== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 5%;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

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

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.logo p {
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* 导航菜单 */
.nav-main {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-main > ul {
    display: flex;
    list-style: none;
    gap: 0.3rem;
}

.nav-main > ul > li {
    position: relative;
}

.nav-main > ul > li > a {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-main > ul > li > a:hover,
.nav-main > ul > li > a.active {
    color: var(--primary);
    background: var(--primary-dim);
}

.nav-main > ul > li > a i {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.nav-main > ul > li:hover > a i {
    transform: rotate(180deg);
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.98);
    border-left: 1px solid var(--border);
    border-top: 1px solid var(--border);
}

.nav-main > ul > li:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--text-dim);
    font-size: 0.85rem;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    color: var(--primary);
    background: var(--primary-dim);
}

/* 搜索按钮 */
.nav-tools {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: 1rem;
}

.nav-search-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    border: none;
    font-size: 1rem;
}

.nav-search-btn:hover {
    color: var(--primary);
    background: var(--primary-dim);
}

/* 汉堡菜单按钮 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

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

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* ========== 搜索面板 ========== */
.search-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.search-panel.active {
    opacity: 1;
    visibility: visible;
}

.search-panel-inner {
    width: 90%;
    max-width: 700px;
    text-align: center;
}

.search-panel-inner h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-dim);
}

.search-form {
    position: relative;
}

.search-form input {
    width: 100%;
    padding: 20px 60px 20px 24px;
    font-size: 1.2rem;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text);
    outline: none;
    transition: all 0.3s ease;
}

.search-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 136, 204, 0.2);
}

.search-form input::placeholder {
    color: var(--text-dim);
}

.search-form button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.search-form button:hover {
    background: var(--secondary);
}

.search-close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.search-close:hover {
    background: var(--primary-dim);
    color: var(--primary);
}

/* ========== 移动端导航面板 ========== */
.mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    padding: 2rem 5%;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.4s ease;
}

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

.mobile-nav ul {
    list-style: none;
}

.mobile-nav > ul > li {
    border-bottom: 1px solid var(--border);
}

.mobile-nav > ul > li > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    font-size: 1.1rem;
    color: var(--text);
}

.mobile-nav > ul > li > a i {
    transition: transform 0.3s ease;
    color: var(--text-dim);
}

.mobile-nav > ul > li > a.expanded i {
    transform: rotate(180deg);
}

.mobile-subnav {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-subnav.expanded {
    max-height: 300px;
}

.mobile-subnav a {
    display: block;
    padding: 12px 0 12px 20px;
    color: var(--text-dim);
    font-size: 0.95rem;
    border-left: 2px solid var(--border);
    margin-left: 8px;
}

.mobile-subnav a:hover {
    color: var(--primary);
    border-left-color: var(--primary);
}

/* ========== 主要内容区域 ========== */
main {
    padding-top: var(--header-height);
}

/* ========== 按钮样式 ========== */
.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 136, 204, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.5);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-more:hover {
    gap: 12px;
    color: var(--primary);
}

.btn-more i {
    transition: transform 0.3s ease;
}

.btn-more:hover i {
    transform: translateX(4px);
}

/* ========== 区块通用样式 ========== */
section {
    padding: 100px 5%;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    color: var(--text-dim);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header .section-title {
    text-align: left;
    margin-bottom: 0;
}

/* ========== Swiper轮播Banner ========== */
.hero-swiper {
    width: 100%;
    height: calc(100vh - var(--header-height));
    min-height: 500px;
}

.hero-swiper .swiper-slide {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-swiper .slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.hero-swiper .slide-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.5));
}

.hero-swiper .slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 5%;
    max-width: 900px;
}

.hero-swiper .slide-content h2 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transform: translateY(30px);
}

.hero-swiper .swiper-slide-active .slide-content h2 {
    animation: fadeInUp 0.8s ease 0.3s forwards;
}

.hero-swiper .slide-content p {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-dim);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    transform: translateY(30px);
}

.hero-swiper .swiper-slide-active .slide-content p {
    animation: fadeInUp 0.8s ease 0.5s forwards;
}

.hero-swiper .slide-content .btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    opacity: 0;
    transform: translateY(30px);
}

.hero-swiper .swiper-slide-active .slide-content .btn-group {
    animation: fadeInUp 0.8s ease 0.7s forwards;
}

.hero-swiper .swiper-pagination {
    bottom: 40px !important;
}

.hero-swiper .swiper-pagination-bullet {
    width: 40px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.3);
    opacity: 1;
}

.hero-swiper .swiper-pagination-bullet-active {
    background: var(--primary);
}

/* ========== 核心优势区块 ========== */
.features-section {
    background: linear-gradient(180deg, transparent, rgba(0, 136, 204, 0.03), transparent);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 35px 28px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-item:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 136, 204, 0.25);
    box-shadow: var(--shadow-glow);
}

.feature-item:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--primary-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    font-size: 1.5rem;
    color: var(--primary);
}

.feature-item h3 {
    font-size: 1.15rem;
    margin-bottom: 0.8rem;
    color: var(--text);
}

.feature-item p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ========== 产品/方案/案例卡片网格 ========== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.card-grid.col-3 {
    grid-template-columns: repeat(3, 1fr);
}

.card-grid.col-4 {
    grid-template-columns: repeat(4, 1fr);
}

.card-item {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
}

.card-item:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 136, 204, 0.3);
    box-shadow: var(--shadow-glow);
}

.card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #f0f4f8;
    padding: 8px;
    transition: transform 0.5s ease;
}

.card-item:hover .card-img img {
    transform: scale(1.08);
}

.card-img .placeholder-img {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 136, 204, 0.06), rgba(0, 85, 170, 0.06));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 3rem;
}

.card-body {
    padding: 24px;
}

.card-body h3 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
    color: var(--text);
    transition: color 0.3s ease;
}

.card-item:hover .card-body h3 {
    color: var(--primary);
}

.card-body p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 1rem;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 500;
}

.card-link i {
    transition: transform 0.3s ease;
}

.card-link:hover i {
    transform: translateX(4px);
}

/* ========== 荣誉资质轮播 ========== */
.honor-section {
    background: linear-gradient(180deg, rgba(0, 136, 204, 0.03), transparent);
}

.honor-swiper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
}

.honor-swiper .swiper-slide {
    height: auto;
}

.honor-item {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.honor-item:hover {
    border-color: rgba(0, 136, 204, 0.3);
    box-shadow: var(--shadow-glow);
}

.honor-item .ratio {
    position: relative;
    width: 100%;
    padding-bottom: 133%; /* 3:4 ratio */
}

.honor-item .ratio img,
.honor-item .ratio .placeholder-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.honor-item .ratio .placeholder-img {
    background: linear-gradient(135deg, rgba(0, 136, 204, 0.05), rgba(0, 85, 170, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 2.5rem;
}

.honor-swiper .swiper-button-prev,
.honor-swiper .swiper-button-next {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--text);
    transition: all 0.3s ease;
}

.honor-swiper .swiper-button-prev:hover,
.honor-swiper .swiper-button-next:hover {
    background: var(--primary-dim);
    color: var(--primary);
}

.honor-swiper .swiper-button-prev::after,
.honor-swiper .swiper-button-next::after {
    font-size: 14px;
    font-weight: bold;
}

/* ========== 关于我们（左文右图/视频） ========== */
.about-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-text h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text .subtitle {
    color: var(--primary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.about-text p {
    color: var(--text-dim);
    margin-bottom: 1rem;
    line-height: 1.9;
}

.about-media {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, rgba(0, 136, 204, 0.06), rgba(0, 85, 170, 0.06));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
}

.about-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-media .video-placeholder {
    text-align: center;
    color: var(--text-dim);
}

.about-media .video-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--primary);
    opacity: 0.5;
}

/* ========== 企业文化卡片 ========== */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.culture-card {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 35px 28px;
    text-align: center;
    transition: all 0.4s ease;
}

.culture-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 136, 204, 0.3);
}

.culture-card .feature-icon {
    margin: 0 auto 1.2rem;
}

.culture-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text);
}

.culture-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* ========== 新闻列表 ========== */
.news-categories {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.news-categories button {
    padding: 10px 24px;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-dim);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.news-categories button:hover,
.news-categories button.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.news-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.news-card:hover {
    border-color: rgba(0, 136, 204, 0.3);
}

.news-card-img {
    position: relative;
    min-height: 200px;
}

.news-card-img img,
.news-card-img .placeholder-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}

.news-card-img .placeholder-img {
    background: linear-gradient(135deg, rgba(0, 136, 204, 0.06), rgba(0, 85, 170, 0.06));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 2rem;
    position: relative;
    min-height: 200px;
}

.news-card-body {
    padding: 30px 30px 30px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-card-body .date {
    color: var(--primary);
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
}

.news-card-body h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text);
    transition: color 0.3s ease;
}

.news-card:hover .news-card-body h3 {
    color: var(--primary);
}

.news-card-body p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* ========== 联系表单 ========== */
.contact-form-section {
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 136, 204, 0.1);
}

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

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* ========== 联系信息卡片 ========== */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.contact-card .feature-icon {
    margin: 0 auto 1rem;
}

.contact-card h4 {
    color: var(--text);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* 地图占位 */
.map-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, rgba(0, 136, 204, 0.03), rgba(0, 85, 170, 0.03));
    border: 1px solid var(--border);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    flex-direction: column;
    gap: 1rem;
}

.map-placeholder i {
    font-size: 3rem;
    opacity: 0.5;
}

/* ========== 时间线样式 ========== */
.timeline {
    position: relative;
    padding-left: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 10px var(--primary);
}

.timeline-item h4 {
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.timeline-item p {
    color: var(--text-dim);
}

/* ========== 页脚 ========== */
footer {
    background: #eef2f7;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.footer-main {
    padding: 60px 5% 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-contact h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-dim);
}

.footer-contact .phone {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

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

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

.qr-item .qr-box {
    width: 100px;
    height: 100px;
    background: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
    overflow: hidden;
    position: relative;
}

.qr-item .qr-box i {
    font-size: 2rem;
    color: var(--text-dim);
}

.qr-item .qr-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.qr-item p {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* QR扫描动画 */
.qr-scanner {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.qr-scanner .line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    animation: scanLine 2s linear infinite;
}

@keyframes scanLine {
    0% { top: 0; }
    100% { top: 100%; }
}

/* 网站地图 */
.footer-links {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
}

.footer-col h4 {
    font-size: 0.95rem;
    color: var(--text);
    margin-bottom: 1.2rem;
    font-weight: 600;
}

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

.footer-col ul li {
    margin-bottom: 0.6rem;
}

.footer-col ul li a {
    color: var(--text-dim);
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
}

/* 页脚底部 */
.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 5%;
}

.footer-bottom-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

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

.friend-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.friend-links h6 {
    color: var(--text-dim);
    font-size: 0.8rem;
    font-weight: 400;
}

/* ========== 右侧悬浮工具栏 ========== */
.right-toolbar {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.4s ease;
    pointer-events: none;
}

.right-toolbar.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
}

.toolbar-item {
    position: relative;
}

.toolbar-btn {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    text-decoration: none;
}

.toolbar-btn:hover {
    background: var(--primary-dim);
    color: var(--primary);
    border-color: var(--primary);
}

.toolbar-hover {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.toolbar-item:hover .toolbar-hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.toolbar-hover::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.98);
    border-right: 1px solid var(--border);
    border-top: 1px solid var(--border);
}

.toolbar-hover .qr-img {
    width: 120px;
    height: 120px;
    background: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toolbar-hover .qr-img i {
    font-size: 2.5rem;
    color: var(--text-dim);
}

.toolbar-hover .qr-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.toolbar-hover p {
    text-align: center;
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text);
}

.toolbar-hover .phone-list {
    line-height: 2;
}

.toolbar-hover .phone-list a {
    color: var(--primary);
}

/* 回顶按钮 */
.toolbar-item.gotop {
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.right-toolbar.show-gotop .toolbar-item.gotop {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 滚动显示动画 ========== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

/* ========== 其他页面通用样式 ========== */
.page-header {
    padding: 150px 5% 80px;
    text-align: center;
    background: linear-gradient(180deg, rgba(0, 136, 204, 0.06), transparent);
}

.page-header h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--text), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.page-header p {
    color: var(--text-dim);
    font-size: 1.1rem;
}

.content-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 5%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }

    .card-grid.col-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .card-grid.col-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .about-split {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    .nav-main {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    header {
        padding: 0 4%;
    }

    section {
        padding: 60px 4%;
    }

    .feature-grid,
    .card-grid,
    .card-grid.col-3,
    .card-grid.col-4 {
        grid-template-columns: 1fr;
    }

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

    .news-card-img {
        min-height: 180px;
    }

    .news-card-body {
        padding: 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .section-header .section-title {
        text-align: left;
    }

    .hero-swiper {
        height: calc(100vh - var(--header-height));
        min-height: 400px;
    }

    .about-media {
        aspect-ratio: 16 / 9;
    }

    .honor-swiper {
        padding: 0 30px;
    }

    .right-toolbar {
        right: 12px;
        bottom: 80px;
    }

    .toolbar-btn {
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.2rem;
    }

    .logo p {
        display: none;
    }

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

    .footer-qr {
        justify-content: center;
    }

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