/* 
 * 安徽兴石智创信息技术有限公司 - 官网样式表
 * 风格精准还原：imhehe.com
 * 字体：思源黑体 (Source Han Sans / Noto Sans SC)
 */

:root {
    --primary-color: #86b81b;
    --dark-blue: #0055AA;
    --text-main: #333333;
    --text-light: #666666;
    --text-gray: #999999;
    --bg-gray: #F8F9FA;
    --white: #FFFFFF;
    --header-height: 100px; /* 增加高度 */
    --container-width: 1600px; /* 进一步拓宽容器 */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Global --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', "Source Han Sans CN", "Microsoft YaHei", sans-serif;
    color: var(--text-main);
    line-height: 1.5;
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.wow {
    visibility: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    /* max-width: var(--container-width); */
    margin: 0 auto;
    padding: 0 10%;
}

.page-section {
    padding: 140px 0;
    position: relative;
}

.section-title-box {
    margin-bottom: 60px;
}

/* --- Header --- */
.header-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition);
    background: var(--white);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.header-container .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 100%;
    padding: 0 10%; /* 增加左右内边距 */
    width: 100%;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 20px; /* 增加Logo内部间距 */
}

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

.logo-img {
    height: 50px;
    width: auto;
    display: block;
}

.logo-icon-circle {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 22px;
}

.logo-text-main {
    font-size: 26px;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1;
}

.logo-text-sub {
    font-size: 11px;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.logo-divider {
    width: 1px;
    height: 35px;
    background: #e0e0e0;
    margin: 0 10px;
}

.logo-slogan {
    display: flex;
    flex-direction: column;
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
}

.header-box {
    display: flex;
    align-items: center;
    gap: 45px;
    margin-left: 60px;
    margin-right: auto;
}

.header-unit {
    font-size: 17px;
    font-weight: 500;
    color: var(--text-main); /* 默认黑色 */
    position: relative;
    cursor: pointer;
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.header-unit:hover, .header-unit.is-active {
    color: var(--primary-color) !important; /* 悬停或选中变绿 */
}

.header-unit.is-active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

.nav-top-right {
    display: flex;
    align-items: center;
    gap: 30px;
}

.consult-text {
    font-size: 15px;
    color: var(--text-main);
    font-weight: 500;
}

.chat-icon {
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 18px;
}

/* --- Hero Section --- */
.banner {
    height: 100vh;
    position: relative;
    color: var(--white);
    overflow: hidden;
    background: #0A192F;
}

.banner-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.banner-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1), visibility 1.2s ease;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.08); /* 初始轻微放大 */
    transition: transform 6s linear, opacity 1.2s ease; /* 背景缓慢收缩动画 */
}

.banner-item.active {
    opacity: 1;
    visibility: visible;
    z-index: 10;
    transform: scale(1); /* 激活时回归原位，产生缓慢收缩的视觉感 */
}

.banner-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 25, 47, 0.85) 0%, rgba(17, 34, 64, 0.6) 100%);
    z-index: 1;
}

.banner-item .container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 100%; /* 宽度占满，靠 padding 控制对齐 */
    margin: 0;
    padding: 0 10%; /* 与全局 Container 保持一致，增加边距感 */
}

.banner-content {
    max-width: 900px;
    text-align: left; /* 明确左对齐 */
}

/* 分离各元素的动画，实现错落有致的加载效果 */
.banner-slogan, .banner-title, .banner-desc, .banner-btns {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.banner-item.active .banner-slogan {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.banner-item.active .banner-title {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.banner-item.active .banner-desc {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.8s;
}

.banner-item.active .banner-btns {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1s;
}

.banner-slogan {
    font-size: 18px;
    color: var(--primary-color);
    letter-spacing: 6px;
    margin-bottom: 25px;
    display: block;
    font-weight: 600;
    text-transform: uppercase;
}

.banner-title {
    font-size: 72px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 35px;
    text-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.banner-title span {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.banner-desc {
    font-size: 22px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 50px;
    line-height: 1.7;
    max-width: 750px;
    font-weight: 300;
}

.banner-btns {
    display: flex;
    gap: 25px;
}

/* Navigation Buttons */
.banner-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 50px;
    z-index: 20;
    pointer-events: none;
}

.banner-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    pointer-events: auto;
    backdrop-filter: blur(5px);
}

.banner-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.banner-btn svg {
    width: 24px;
    height: 24px;
}

/* Scroll Hint Animation */
.banner-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--white);
    opacity: 0.8;
}

.mouse-icon {
    width: 26px;
    height: 42px;
    border: 2px solid var(--white);
    border-radius: 5px;
    position: relative;
}

.mouse-wheel {
    width: 2px;
    height: 8px;
    background: var(--white);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

@keyframes scroll-wheel {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

.scroll-text {
    font-size: 14px;
    letter-spacing: 1px;
    font-weight: 300;
}

.btn-more {
    display: inline-block;
    padding: 16px 50px;
    border-radius: 5px;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

.btn-blue:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

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

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-5px);
}

/* --- Section Titles --- */
.section-title-box {
    text-align: center;
    padding: 100px 0 60px;
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-main);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 45px;
    height: 3px;
    background: var(--primary-color);
}

/* --- We Can Do Section --- */
.wecando-container {
    background: var(--white);
    padding: 100px 0;
}

.wecando-container .container {
    max-width: 100%;
    padding: 0 80px;
}

.wecando-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid #f0f0f0;
    border-left: 1px solid #f0f0f0;
    width: 100%;
}

.wecando-item {
    height: 340px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border-right: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
    background: var(--white);
    transition: var(--transition);
}

.wecando-item-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--white);
    padding: 40px;
}

.wecando-item-block img,
.wecando-item-block svg {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 30px;
    transition: transform 0.5s ease;
}

.wecando-item-block svg {
    color: var(--primary-color);
}

.wecando-item-block span {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: 1px;
}

.wecando-item-hidden {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    color: var(--white);
    padding: 45px 35px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    z-index: 5;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.wecando-item:hover .wecando-item-hidden {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.wecando-item:hover .wecando-item-block {
    transform: translateY(-20px);
    opacity: 0;
}

.wecando-item-n {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.wecando-item-n img,
.wecando-item-n svg {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.wecando-item-n svg {
    color: var(--white);
}

.wecando-item-n span {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
}

.wecando-item-hidden p {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: auto;
    font-weight: 300;
}

.wecan-a {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    text-decoration: none;
    margin-top: 20px;
    transition: gap 0.3s ease;
}

.wecan-a:hover {
    gap: 18px;
}

.wecan-a svg {
    width: 20px;
    height: 20px;
}

/* --- Advantages Section (像素级还原 imhehe.com 样式) --- */
.advantage-section {
    background: var(--white);
    padding: 0;
    overflow: hidden;
    position: relative;
    height: 840px;
    margin-top: 50px;
}

.advantage-container {
    width: 100%;
    height: 100%;
    position: relative;
    max-width: 1920px;
    margin: 0 auto;
}

.advantage-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 55%;
    height: 100%;
    background: var(--primary-color);
    border-radius: 0 840px 840px 0;
    z-index: 1;
    box-shadow: 20px 0 50px rgba(134, 184, 27, 0.15);
    overflow: hidden;
}

.advantage-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
    mix-blend-mode: overlay;
}

.advantage-describe {
    position: absolute;
    left: 5%;
    top:200px;
    width: 760px;
    z-index: 10;
    color: var(--white);
}

.adv-bg-text {
    font-size: 64px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.2);
    margin: 0;
    line-height: 1.2;
}

.adv-title-en {
    display: none; /* imhehe 使用了上面的 adv-bg-text 作为背景，这里隐藏多余的 */
}

.adv-title-cn {
    font-size: 44px;
    font-weight: 600;
    color: var(--white);
    margin-top: -33px;
    margin-bottom: 40px;
}

.advantage-d {
    font-size: 18px;
    line-height: 1.8;
    color: var(--white);
    padding: 0;
    margin-bottom: 40px;
    font-weight: 400;
}

.profile-statistic {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-top: 40px;
}

.profile-statistic div {
    text-align: center;
}

.profile-statistic .value1, 
.profile-statistic .value2, 
.profile-statistic .value3, 
.profile-statistic .value4 {
    font-size: 48px;
    font-weight: 800;
}

.profile-statistic p:last-child {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 5px;
}

.small-separato-vertical {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.3);
}

.advantage-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 240px;
    height: 50px;
    background: var(--white);
    color: var(--primary-color);
    padding: 0 5px 0 35px;
    border-radius: 5px;
    margin-top: 70px;
    font-size: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.advantage-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.btn-icon-circle {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-circle svg {
    width: 20px;
    height: 20px;
}

/* Right Items Curve Layout */
.advantage-option {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
}

.advantage-option-item-ul {
    position: relative;
    width: 100%;
    height: 100%;
}

.advantage-option-item {
    position: absolute;
    display: flex;
    align-items: center;
    width: auto; /* 改为自动宽度，由内容撑开 */
    min-width: 550px;
    height: 140px;
    transition: var(--transition);
}

.advantage-image {
    width: 100px;
    height: 100px;
    flex-shrink: 0; /* 防止被挤压变形 */
    background: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    position: relative;
    z-index: 10;
    transition: var(--transition);
    color: var(--primary-color);
}

.advantage-image svg {
    width: 45px;
    height: 45px;
    transition: var(--transition);
}

.advantage-option-item:hover .advantage-image {
    background: var(--primary-color);
    transform: scale(1.1);
    color: var(--white);
}

.bubble-triangle {
    width: 60px; /* 增加间距，从 40px 改为 60px */
    flex-shrink: 0; /* 防止间距被挤压 */
    height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 15px solid var(--white);
    margin-left: -2px;
    position: relative;
    z-index: 9;
    opacity: 1; /* 默认可见 */
    transition: var(--transition);
}

.bubble-text {
    background: var(--white);
    padding: 20px 30px;
    border-radius: 5px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    flex: 1;
    opacity: 1; /* 默认显示 */
    transform: none;
    transition: var(--transition);
    border: 1px solid #f0f0f0;
}

.bubble-text p:first-child {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-main);
    margin-bottom: 5px;
    transition: var(--transition);
}

.bubble-text p:last-child {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
    transition: var(--transition);
    white-space: nowrap; /* 强制单行显示 */
}

/* Hover Effects */
.advantage-option-item:hover .advantage-image {
    background: var(--primary-color);
    transform: scale(1.1);
    color: var(--white);
    box-shadow: 0 0 20px rgba(134, 184, 27, 0.4);
}

.advantage-option-item:hover .bubble-text {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(134, 184, 27, 0.3);
}

.advantage-option-item:hover .bubble-triangle {
    opacity: 1;
    border-right-color: var(--primary-color);
}

.advantage-option-item:hover .bubble-text p {
    color: var(--white) !important;
}

/* Precise Positions to align with the curve edge */
.item-1 { left: 42%; top: 16px; }
.item-2 { left: 49%; top: 151px; }
.item-3 { left: 52%; top: 285px; }
.item-4 { left: 52%; top: 420px; }
.item-5 { left: 50%; top: 554px; }
.item-6 { left: 44%; top: 688px; }

@media (max-width: 1600px) {
    .item-1 { left: 38%; }
    .item-2 { left: 45%; }
    .item-3 { left: 48%; }
    .item-4 { left: 48%; }
    .item-5 { left: 46%; }
    .item-6 { left: 40%; }
}

@media (max-width: 1200px) {
    .advantage-section { height: auto; padding: 80px 0; }
    .advantage-container { display: flex; flex-direction: column; }
    .advantage-bg { display: none; }
    .advantage-describe { position: static; width: 100%; padding: 0 40px; color: var(--text-main); }
    .adv-title-cn, .advantage-d { color: var(--text-main); }
    .adv-bg-text { color: rgba(0,0,0,0.05); }
    .small-separato-vertical { background: #ddd; }
    .advantage-button { background: var(--primary-color); color: var(--white); }
    .btn-icon-circle { background: var(--white); color: var(--primary-color); }
    .advantage-option { position: static; height: auto; margin-top: 50px; }
    .advantage-option-item { position: static; width: 100%; height: auto; margin-bottom: 30px; padding: 0 20px; }
    .bubble-triangle { display: none; }
    .bubble-text { opacity: 1; transform: none; box-shadow: none; border: 1px solid #eee; }
}

/* --- Solutions Section --- */
.solutions-section {
    padding: 120px 0;
    background: var(--white);
}

.sol-tabs {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 60px;
    border-bottom: 1px solid #f0f0f0;
}

.sol-tab {
    padding: 20px 0;
    font-size: 17px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    color: var(--text-light);
    transition: var(--transition);
}

.sol-tab:hover {
    color: var(--primary-color);
}

.sol-tab.active {
    color: var(--primary-color);
    font-weight: bold;
}

.sol-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
}

.sol-item {
    display: none;
    gap: 80px;
    align-items: center;
    animation: fadeIn 0.6s ease;
}

.sol-item.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.sol-text {
    flex: 1;
}

.sol-text h4 {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 25px;
    color: var(--text-main);
}

.sol-text p {
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 40px;
    font-size: 16px;
}

.sol-image {
    flex: 1.2;
}

.sol-image img {
    border-radius: 5px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

/* --- Case Section --- */
.case-section {
    padding: 100px 0;
    background: var(--white);
}

.case-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.case-tab {
    padding: 10px 30px;
    border-radius: 5px;
    background: #f8f9fa;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-light);
    border: 1px solid #eee;
}

.case-tab:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.case-tab.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(134, 184, 27, 0.3);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.case-item {
    display: block;
    background: var(--white);
    transition: var(--transition);
    cursor: pointer;
}

.case-img-box {
    width: 100%;
    aspect-ratio: 1.6;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.case-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.case-item:hover .case-img-box img {
    transform: scale(1.1);
}

.case-info {
    padding: 5px 0;
}

.case-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.case-title-row h5 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.case-arrow {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    opacity: 0.8;
}

.case-item:hover .case-arrow {
    transform: scale(1.2);
    opacity: 1;
}

.case-arrow svg {
    width: 14px;
    height: 14px;
}

.case-subtitle {
    font-size: 13px;
    color: var(--text-gray);
    letter-spacing: 0.5px;
}

.btn-case-more {
    display: inline-block;
    padding: 12px 45px;
    border-radius: 5px;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    margin-top: 20px;
}

.btn-case-more:hover {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 5px 15px rgba(134, 184, 27, 0.2);
}

/* --- Process Section --- */
.process-section {
    padding: 120px 0;
    background: var(--white);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
}

.process-grid::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 10%;
    width: 80%;
    height: 1px;
    background: #eee;
    z-index: 1;
}

.process-item {
    text-align: center;
    position: relative;
    z-index: 2;
}

.process-step {
    width: 70px;
    height: 70px;
    background: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 14px;
    font-weight: bold;
    color: var(--primary-color);
    transition: var(--transition);
}

.process-item:hover .process-step {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.process-name {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--text-main);
}

.process-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
    padding: 0 10px;
}

/* --- News Section --- */
.news-section {
    padding: 100px 0;
    background: var(--bg-gray);
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.news-featured {
    background: var(--white);
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.news-featured:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.news-featured-img {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.news-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.news-featured:hover .news-featured-img img {
    transform: scale(1.1);
}

.news-featured-content {
    padding: 35px;
}

.news-date {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(134, 184, 27, 0.1);
    color: var(--primary-color);
    border-radius: 5px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.news-featured-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-main);
    line-height: 1.4;
}

.news-featured-content h3 a {
    color: inherit;
    transition: var(--transition);
}

.news-featured-content h3 a:hover {
    color: var(--primary-color);
}

.news-featured-content p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.news-more {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}

.news-more svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.news-more:hover svg {
    transform: translateX(5px);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.news-item {
    display: flex;
    gap: 25px;
    padding: 20px;
    background: var(--white);
    border-radius: 5px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.news-item:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.news-item-date {
    flex: 0 0 70px;
    height: 70px;
    background: #f0f0f0;
    border-radius: 5px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.news-item:hover .news-item-date {
    background: var(--primary-color);
    color: var(--white);
}

.news-item-date .day {
    font-size: 24px;
    font-weight: 800;
}

.news-item-date .month {
    font-size: 12px;
    opacity: 0.8;
}

.news-item-info h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
    transition: var(--transition);
}

.news-item:hover .news-item-info h4 {
    color: var(--primary-color);
}

.news-item-info p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .news-grid { grid-template-columns: 1fr; }
}

/* --- Contact CTA --- */
.cta-section {
    background: var(--primary-color);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 50%;
    height: 200%;
    background: rgba(255,255,255,0.05);
    transform: rotate(30deg);
    pointer-events: none;
}

.cta-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 25px;
}

.cta-desc {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 55px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-info {
    display: flex;
    justify-content: center;
    gap: 70px;
    align-items: center;
}

.cta-item {
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
}

.cta-icon-box {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-label {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 5px;
}

.cta-val {
    font-size: 24px;
    font-weight: bold;
}

.btn-white {
    background: var(--white);
    color: var(--primary-color);
    padding: 18px 60px;
    font-size: 18px;
}

.btn-white:hover {
    background: var(--dark-blue);
    color: var(--white);
}

/* --- Footer --- */
.footer {
    background: #141414;
    color: #999;
    padding: 90px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
    gap: 70px;
    margin-bottom: 80px;
}

.footer-logo-box {
    margin-bottom: 30px;
}

.footer-logo-wrap {
    display: flex;
    align-items: center;
}

.footer-logo-img {
    height: 45px;
    width: auto;
    display: block;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.8;
}

.footer-title {
    color: var(--white);
    font-size: 19px;
    font-weight: bold;
    margin-bottom: 30px;
    position: relative;
    padding-left: 15px;
}

.footer-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 18px;
    background: var(--primary-color);
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    font-size: 15px;
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.footer-contact span {
    font-size: 15px;
    line-height: 1.5;
}

.footer-qr-item {
    margin-top: 15px;
}

.qr-box {
    background: var(--white);
    padding: 4px;
    border-radius: 4px;
    width: 80px;
    height: 80px;
}

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

.qr-text {
    font-size: 12px;
    color: #999;
    margin-top: 8px;
}

.footer-bottom {
    border-top: 1px solid #222;
    padding-top: 40px;
    display: flex;
    justify-content: center; /* 改为居中 */
    text-align: center; /* 确保文字居中 */
    font-size: 14px;
    color: #666;
}

.footer-bottom-links {
    display: flex;
    gap: 30px;
}

.footer-bottom-links a:hover {
    color: #999;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
    .container { padding: 0 40px; }
    .footer-grid { gap: 40px; }
}

@media (max-width: 1024px) {
    .banner-title { font-size: 52px; }
    .wecando-container .container { padding: 0 40px; }
    .wecando-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .header-box, .nav-top-right { display: none; }
    .header-container { padding: 0 20px; }
    .banner-title { font-size: 40px; }
    .adv-flex { flex-direction: column; gap: 50px; }
    .sol-content { flex-direction: column; gap: 40px; }
    .sol-tabs { gap: 20px; flex-wrap: wrap; }
    .process-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .process-grid::before { display: none; }
    .cta-info { flex-direction: column; gap: 40px; }
    .wecando-container .container { padding: 0 20px; }
    .wecando-grid { grid-template-columns: repeat(2, 1fr); } /* 移动端也保持2列，除非屏幕极小 */
}

@media (max-width: 480px) {
    .wecando-grid { grid-template-columns: 1fr; }
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    cursor: pointer;
    z-index: 999;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(134, 184, 27, 0.3);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* --- Sub Pages --- */
.sub-banner {
    height: 450px; /* 增加高度 */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    margin-top: var(--header-height);
}

.sub-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4); /* 半透明遮罩 */
    z-index: 1;
}

.sub-banner-content {
    position: relative;
    z-index: 2;
}

.sub-banner.group-style::before {
    background: linear-gradient(to bottom, rgba(10, 25, 47, 0.6), rgba(10, 25, 47, 0.3));
}

.sub-banner-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 25px;
    letter-spacing: 4px;
}

.breadcrumb {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

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

.breadcrumb span {
    color: rgba(255,255,255,0.3);
}

/* Page Nav */
.group-page-nav {
    background: var(--white);
    border-bottom: 1px solid #eee;
    position: sticky;
    top: var(--header-height);
    z-index: 900;
}

.group-page-nav ul {
    display: flex;
    justify-content: center;
    gap: 50px;
}

.group-page-nav a {
    display: block;
    padding: 20px 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-light);
    position: relative;
}

.group-page-nav a:hover {
    color: var(--primary-color);
}

.group-page-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.group-page-nav a:hover::after {
    width: 100%;
}

/* Group Layout Common */
.section-tag {
    display: block;
    font-size: 14px;
    color: var(--primary-color);
    letter-spacing: 3px;
    margin-bottom: 20px;
    font-weight: 600;
    text-transform: uppercase;
}

.group-section-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--text-main);
    line-height: 1.2;
}

.section-title-box.centered {
    text-align: center;
}

.gray-bg { background: #f8f9fa; }
.dark-bg { background-size: cover; background-position: center; position: relative; color: var(--white); }
.dark-bg::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); }
.dark-bg .container { position: relative; z-index: 2; }
.dark-bg .group-section-title { color: var(--white); }

/* Overview */
.group-intro-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.lead-text {
    font-size: 20px;
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 30px;
    line-height: 1.6;
}

.image-wrapper {
    position: relative;
}

.image-wrapper img {
    border-radius: 5px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    left: -30px;
    background: var(--primary-color);
    color: var(--white);
    padding: 30px;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0 15px 30px rgba(134, 184, 27, 0.3);
}

.experience-badge .num {
    display: block;
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
}

.experience-badge .txt {
    font-size: 14px;
    opacity: 0.9;
}

/* Vision */
.vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.vision-item {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    padding: 60px;
    border-radius: 5px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

.vision-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-10px);
}

.vision-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    color: var(--white);
}

.vision-icon svg { width: 35px; height: 35px; }

.vision-item h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.vision-item p {
    font-size: 18px;
    opacity: 0.8;
    line-height: 1.6;
}

/* Culture */
.group-culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.culture-item {
    background: var(--white);
    padding: 50px 30px;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03);
    transition: var(--transition);
    border: 1px solid #f5f5f5;
}

.culture-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(134, 184, 27, 0.1);
}

.c-icon {
    width: 60px;
    height: 60px;
    background: #f0f7e6;
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 24px;
    font-weight: 700;
    transition: var(--transition);
}

.culture-item:hover .c-icon {
    background: var(--primary-color);
    color: var(--white);
    transform: rotateY(360deg);
}

.culture-item h4 {
    font-size: 20px;
    margin-bottom: 15px;
}

.culture-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Timeline */
.group-timeline {
    position: relative;
    padding: 20px 0 0 0;
}

.timeline-nodes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
}

.t-node {
    position: relative;
    padding-top: 40px;
}

.t-node::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    background: var(--white);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    z-index: 2;
}

.t-node::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 20px;
    width: 100%;
    height: 2px;
    background: #eee;
    z-index: 1;
}

.t-node:last-child::after { display: none; }

.t-year {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.t-info h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.t-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Team */
.group-team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.team-card {
    background: var(--white);
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 70px rgba(0,0,0,0.1);
}

.team-img {
    height: 300px;
    overflow: hidden;
}

.team-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.team-card:hover .team-img img {
    transform: scale(1.1);
}

.team-info {
    padding: 35px;
}

.team-info h4 {
    font-size: 22px;
    margin-bottom: 5px;
}

.team-info .post {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.team-info .desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Contact Page V2 (Homepage Style) */
.contact-v2-container {
    background: var(--white);
}

.contact-v2-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.contact-v2-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 5px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid #f0f0f0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.contact-v2-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 50px rgba(134, 184, 27, 0.1);
}

.contact-v2-icon {
    width: 60px;
    height: 60px;
    background: #f0f7e6;
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.contact-v2-card:hover .contact-v2-icon {
    background: var(--primary-color);
    color: var(--white);
    transform: rotateY(360deg);
}

.contact-v2-icon svg {
    width: 28px;
    height: 28px;
}

.contact-v2-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-main);
}

.contact-v2-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

.contact-form-v2-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    background: #f8f9fa;
    padding: 80px;
    border-radius: 5px;
    margin-bottom: 100px;
}

.contact-form-v2-info h3 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 25px;
    color: var(--text-main);
}

.contact-form-v2-info p {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-form-v2-info .cta-phone {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
}

.contact-form-v2 {
    background: var(--white);
    padding: 50px;
    border-radius: 5px;
    box-shadow: 0 30px 70px rgba(0,0,0,0.05);
}

.contact-form-v2 .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.contact-form-v2 .form-group {
    margin-bottom: 20px;
}

.contact-form-v2 label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-main);
}

.contact-form-v2 input,
.contact-form-v2 textarea {
    width: 100%;
    padding: 15px 20px;
    background: #f8f9fa;
    border: 1px solid #eee;
    border-radius: 5px;
    font-family: inherit;
    transition: var(--transition);
}

.contact-form-v2 input:focus,
.contact-form-v2 textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 5px 15px rgba(134, 184, 27, 0.1);
}

.contact-form-v2 textarea {
    height: 120px;
    resize: none;
}

.btn-submit-v2 {
    width: 100%;
    height: 55px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 1px;
}

.btn-submit-v2:hover {
    background: #76a512;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(134, 184, 27, 0.2);
}

.map-v2 {
    height: 500px;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
}

@media (max-width: 1200px) {
    .contact-v2-cards { grid-template-columns: repeat(2, 1fr); }
    .contact-form-v2-wrap { grid-template-columns: 1fr; padding: 50px; gap: 50px; }
}

@media (max-width: 768px) {
    .contact-v2-cards { grid-template-columns: 1fr; }
    .contact-form-v2-wrap { padding: 30px; border-radius: 5px; }
    .contact-form-v2 { padding: 30px; }
    .contact-form-v2 .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
    .group-intro-box, .contact-grid.group-style {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .group-culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .timeline-nodes {
        grid-template-columns: repeat(2, 1fr);
    }
    .t-node::after { display: none; }
}

@media (max-width: 768px) {
    .group-page-nav ul { gap: 20px; }
    .group-page-nav a { font-size: 13px; }
    .group-section-title { font-size: 32px; }
    .vision-grid, .group-team-grid { grid-template-columns: 1fr; }
    .contact-details { grid-template-columns: 1fr; }
    .contact-form.group-style .form-row { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 40px 30px; }
    .map-overlay { left: 20px; right: 20px; top: 20px; }
}

/* --- News List Page --- */
.news-list-container {
    padding: 100px 0;
}

.news-list-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.news-card {
    display: flex;
    gap: 40px;
    background: var(--white);
    padding: 30px;
    border-radius: 5px;
    transition: var(--transition);
    border: 1px solid #f0f0f0;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.05);
    border-color: var(--primary-color);
}

.news-card-img {
    flex: 0 0 320px;
    height: 200px;
    border-radius: 5px;
    overflow: hidden;
}

.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.news-card:hover .news-card-img img {
    transform: scale(1.1);
}

.news-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-card-date {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.news-card-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-main);
    line-height: 1.4;
    transition: var(--transition);
}

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

.news-card-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- News Detail Page --- */
.news-detail-container {
    padding: 100px 0;
}

.news-detail-wrap {
    max-width: 900px;
    margin: 0 auto;
}

.news-detail-header {
    text-align: center;
    margin-bottom: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid #eee;
}

.news-detail-header h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 20px;
    line-height: 1.3;
}

.news-detail-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: var(--text-gray);
    font-size: 14px;
}

.news-detail-content {
    font-size: 17px;
    line-height: 1.9;
    color: #444;
}

.news-detail-content p {
    margin-bottom: 25px;
}

.news-detail-content img {
    max-width: 100%;
    border-radius: 5px;
    margin: 30px 0;
}

.news-detail-footer {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-between;
}

.news-nav-item {
    max-width: 45%;
}

.news-nav-item span {
    display: block;
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.news-nav-item a {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    transition: var(--transition);
}

.news-nav-item a:hover {
    color: var(--primary-color);
}

/* --- Service Page --- */
.service-intro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.service-card-v2 {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 5px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid #f5f5f5;
}

.service-card-v2:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
    border-color: var(--primary-color);
}

.service-icon-v2 {
    width: 80px;
    height: 80px;
    background: rgba(134, 184, 27, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    transition: var(--transition);
}

.service-card-v2:hover .service-icon-v2 {
    background: var(--primary-color);
    color: var(--white);
}

.service-icon-v2 svg {
    width: 40px;
    height: 40px;
}

.service-card-v2 h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-main);
}

.service-card-v2 p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* --- Case List Page --- */
.case-list-container {
    padding: 100px 0;
}

.case-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 60px;
}

.filter-btn {
    padding: 10px 30px;
    border-radius: 5px;
    background: #f5f5f5;
    color: var(--text-main);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* --- Pagination --- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 80px;
    flex-wrap: wrap;
}

.pagination span {
    display: flex;
    align-items: center;
}

.pagination a, 
.pagination .page-num,
.pagination .page-status {
    height: 40px;
    padding: 0 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-size: 14px;
    transition: var(--transition);
}

.pagination .page-status {
    color: var(--text-gray);
    background: transparent;
    border: none;
    margin-right: 10px;
    font-weight: normal;
}

.pagination a {
    background: var(--white);
    border: 1px solid #eee;
    color: var(--text-main);
    font-weight: 500;
    min-width: 40px;
}

.pagination a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(134, 184, 27, 0.2);
}

.pagination .page-num-current {
    background: var(--primary-color);
    border: 1px solid var(--primary-color);
    color: var(--white);
    font-weight: bold;
}

/* 针对特定类的微调 */
.pagination .page-index a,
.pagination .page-last a,
.pagination .page-pre a,
.pagination .page-next a {
    font-size: 13px;
}

@media (max-width: 768px) {
    .pagination .page-status {
        width: 100%;
        margin-bottom: 10px;
        margin-right: 0;
    }
}

/* Responsive */
@media (max-width: 992px) {
    .news-card { flex-direction: column; gap: 20px; }
    .news-card-img { flex: 0 0 240px; width: 100%; }
    .service-intro-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .news-detail-header h1 { font-size: 28px; }
    .service-intro-grid { grid-template-columns: 1fr; }
    .case-filter { flex-wrap: wrap; }
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(134, 184, 27, 0.3);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* Case Filter Animation */
.case-item {
    animation-duration: 0.5s;
}