/* ===== 全局重置与基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0a2540;
    --primary-light: #1a3a5c;
    --accent: #c9a96e;
    --accent-light: #e0c992;
    --text-dark: #1a1a2e;
    --text-gray: #5a6275;
    --text-light: #8a92a6;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 4px 20px rgba(10, 37, 64, 0.08);
    --shadow-hover: 0 8px 30px rgba(10, 37, 64, 0.15);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    background: var(--bg-white);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.section-title p {
    font-size: 16px;
    color: var(--text-gray);
    margin-top: 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== 顶部导航 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 37, 64, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.header.scrolled .logo h1,
.header.scrolled .nav-list a {
    color: #fff;
}

.header.scrolled .nav-list a:hover,
.header.scrolled .nav-list a.active {
    color: var(--accent-light);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 20px;
    font-weight: 700;
}

.logo h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
}

.nav-list {
    display: flex;
    gap: 36px;
}

.nav-list a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 8px 0;
}

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

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary);
}

.nav-list a:hover::after,
.nav-list a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 26px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.header.scrolled .mobile-menu-btn span {
    background: #fff;
}

/* ===== 首页Banner ===== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0a2540 0%, #1a3a5c 50%, #0d2f4f 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(201, 169, 110, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 169, 110, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 40%);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    background: linear-gradient(to top, var(--bg-white), transparent);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(201, 169, 110, 0.15);
    border: 1px solid rgba(201, 169, 110, 0.3);
    color: var(--accent-light);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    margin-bottom: 28px;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h2 {
    font-size: 52px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero h2 span {
    color: var(--accent-light);
}

.hero-subtitle {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 20px;
    font-weight: 400;
}

.hero-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #b8944f);
    color: #fff;
    box-shadow: 0 4px 15px rgba(201, 169, 110, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(201, 169, 110, 0.4);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    background: rgba(201, 169, 110, 0.1);
}

.hero-stats {
    display: flex;
    gap: 60px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item h3 {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-light);
    margin-bottom: 4px;
}

.stat-item p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* 页面Banner（内页） */
.page-hero {
    background: linear-gradient(135deg, #0a2540 0%, #1a3a5c 100%);
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 30% 50%, rgba(201, 169, 110, 0.1) 0%, transparent 50%);
}

.page-hero h2 {
    font-size: 40px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
}

.page-hero p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
}

.breadcrumb {
    margin-top: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    position: relative;
}

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

/* ===== 核心服务 ===== */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 40px 32px;
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

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

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(10, 37, 64, 0.08), rgba(201, 169, 110, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--primary);
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 14px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ===== 我们的优势 ===== */
.advantages {
    background: var(--bg-white);
}

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

.advantage-item {
    text-align: center;
    padding: 40px 24px;
    border-radius: 12px;
    transition: var(--transition);
}

.advantage-item:hover {
    background: var(--bg-light);
    transform: translateY(-5px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent);
    box-shadow: 0 8px 24px rgba(10, 37, 64, 0.2);
}

.advantage-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.advantage-item p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== 处置流程 ===== */
.process {
    background: linear-gradient(135deg, #0a2540 0%, #14365c 100%);
    position: relative;
    overflow: hidden;
}

.process .section-title h2 {
    color: #fff;
}

.process .section-title p {
    color: rgba(255, 255, 255, 0.7);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
}

.process-grid::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.4), transparent);
}

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

.step-number {
    width: 100px;
    height: 100px;
    margin: 0 auto 24px;
    background: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    position: relative;
    border: 3px solid var(--accent);
}

.process-step h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.process-step p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
}

/* ===== 成功案例 ===== */
.cases {
    background: var(--bg-light);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.case-img {
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--accent);
    position: relative;
    overflow: hidden;
}

.case-img::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.1) 0%, transparent 60%);
}

.case-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(201, 169, 110, 0.9);
    color: #fff;
    padding: 4px 14px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

.case-body {
    padding: 28px;
}

.case-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.case-body p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

.case-result {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
    display: flex;
    gap: 20px;
}

.case-result span {
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
}

/* ===== 行业资讯 ===== */
.news {
    background: var(--bg-white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.news-card {
    display: flex;
    gap: 24px;
    padding: 28px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.news-card:hover {
    background: var(--bg-white);
    border-color: var(--border);
    box-shadow: var(--shadow);
    transform: translateX(5px);
}

.news-date {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.news-date .day {
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.news-date .month {
    font-size: 12px;
    opacity: 0.8;
    margin-top: 4px;
}

.news-content h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.news-content p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
}

/* ===== 关于我们（首页简介） ===== */
.about-home {
    background: var(--bg-light);
}

.about-home-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    height: 420px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    color: var(--accent);
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(10, 37, 64, 0.2);
}

.about-image::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border: 2px solid rgba(201, 169, 110, 0.2);
    border-radius: 50%;
    top: -80px;
    right: -80px;
}

.about-image::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px solid rgba(201, 169, 110, 0.15);
    border-radius: 50%;
    bottom: -50px;
    left: -50px;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-text > p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 24px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 30px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
}

.about-feature::before {
    content: '✓';
    width: 24px;
    height: 24px;
    background: rgba(201, 169, 110, 0.15);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ===== CTA区域 ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, #14365c 100%);
    padding: 70px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 50% 50%, rgba(201, 169, 110, 0.1) 0%, transparent 60%);
}

.cta-section h2 {
    font-size: 32px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
}

.cta-section p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 32px;
    position: relative;
}

/* ===== 底部 ===== */
.footer {
    background: #061a2e;
    padding: 60px 0 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo h1 {
    color: #fff;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.55);
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent-light);
    padding-left: 5px;
}

/* 底部唯一联系方式 - 一键拨打 */
.footer-contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 18px 24px;
    background: linear-gradient(135deg, var(--accent), #b8944f);
    color: #fff;
    border-radius: 10px;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-top: 16px;
    box-shadow: 0 6px 24px rgba(201, 169, 110, 0.3);
    transition: var(--transition);
    animation: callPulse 2.5s infinite;
}

.footer-contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(201, 169, 110, 0.45);
}

@keyframes callPulse {
    0%, 100% { box-shadow: 0 6px 24px rgba(201, 169, 110, 0.3); }
    50% { box-shadow: 0 6px 32px rgba(201, 169, 110, 0.55); }
}

.footer-contact-btn .phone-icon {
    font-size: 24px;
    animation: shake 3s infinite;
}

@keyframes shake {
    0%, 90%, 100% { transform: rotate(0); }
    93% { transform: rotate(-15deg); }
    96% { transform: rotate(15deg); }
}

.footer-contact-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
    margin-top: 12px;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom .keywords {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== 移动端悬浮拨打按钮 ===== */
.mobile-call-btn {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 20px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), #b8944f);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 26px;
    box-shadow: 0 6px 24px rgba(201, 169, 110, 0.5);
    animation: callPulse 2.5s infinite;
}

/* ===== 内页通用 ===== */
.page-content {
    padding: 60px 0;
}

.content-block {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.content-block h3 {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 16px;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
}

.content-block p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 16px;
}

/* 服务详情页 */
.service-detail-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    padding: 40px;
    background: var(--bg-white);
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    align-items: start;
}

.service-detail-icon {
    width: 100%;
    aspect-ratio: 1;
    max-width: 200px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    color: var(--accent);
    margin: 0 auto;
}

.service-detail-info h3 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 16px;
}

.service-detail-info p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 16px;
}

.service-detail-info ul {
    padding-left: 0;
}

.service-detail-info ul li {
    padding: 8px 0 8px 28px;
    position: relative;
    font-size: 14px;
    color: var(--text-gray);
}

.service-detail-info ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    width: 20px;
    height: 20px;
    background: rgba(201, 169, 110, 0.15);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}

/* 案例详情页 */
.case-detail-item {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.case-detail-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    padding: 40px;
    color: #fff;
}

.case-detail-header .tag {
    display: inline-block;
    background: rgba(201, 169, 110, 0.9);
    padding: 4px 16px;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 16px;
}

.case-detail-header h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.case-detail-body {
    padding: 40px;
}

.case-detail-body h4 {
    font-size: 17px;
    color: var(--primary);
    margin: 20px 0 12px;
}

.case-detail-body p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 12px;
}

.case-stats {
    display: flex;
    gap: 40px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px dashed var(--border);
}

.case-stats .stat h3 {
    font-size: 28px;
    color: var(--accent);
    font-weight: 700;
}

.case-stats .stat p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
}

/* 新闻详情页 */
.news-detail-item {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-detail-item:hover {
    box-shadow: var(--shadow-hover);
}

.news-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.news-detail-item h3 {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 14px;
    transition: var(--transition);
}

.news-detail-item:hover h3 {
    color: var(--accent);
}

.news-detail-item > p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.9;
}

/* 关于我们页面 */
.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.value-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.value-card:hover {
    background: var(--primary);
    transform: translateY(-5px);
}

.value-card:hover h3,
.value-card:hover p {
    color: #fff;
}

.value-card .icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.value-card h3 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 10px;
    transition: var(--transition);
}

.value-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    transition: var(--transition);
}

/* 联系页面 */
.contact-page {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    padding: 50px 40px;
    color: #fff;
}

.contact-info-card h3 {
    font-size: 26px;
    margin-bottom: 16px;
}

.contact-info-card > p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
    line-height: 1.8;
}

.contact-phone-big {
    text-align: center;
    padding: 36px 20px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    border: 1px dashed rgba(201, 169, 110, 0.4);
}

.contact-phone-big .label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
}

.contact-phone-big .number {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-light);
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.contact-phone-big .call-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 40px;
    background: linear-gradient(135deg, var(--accent), #b8944f);
    color: #fff;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    transition: var(--transition);
}

.contact-phone-big .call-btn:hover {
    transform: scale(1.05);
}

.contact-form-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 50px 40px;
    box-shadow: var(--shadow);
}

.contact-form-card h3 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 8px;
}

.contact-form-card > p {
    color: var(--text-gray);
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 37, 64, 0.3);
}

/* ===== 动画 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .services-grid,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .process-grid::before {
        display: none;
    }

    .about-home-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .service-detail-item {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .contact-page {
        grid-template-columns: 1fr;
    }

    .about-values {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 50px 0;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: var(--primary);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 0;
        transition: right 0.3s ease;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.2);
    }

    .nav-list.open {
        right: 0;
    }

    .nav-list li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-list a {
        display: block;
        padding: 16px 0;
        color: rgba(255, 255, 255, 0.85) !important;
        font-size: 16px;
    }

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

    .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(7px, -7px);
    }

    .hero h2 {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-stats {
        gap: 30px;
        flex-wrap: wrap;
    }

    .stat-item h3 {
        font-size: 28px;
    }

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

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

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

    .news-card {
        flex-direction: column;
        gap: 16px;
    }

    .news-date {
        width: 100%;
        height: auto;
        flex-direction: row;
        gap: 8px;
        padding: 10px 16px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-contact-btn {
        font-size: 18px;
        padding: 14px 20px;
    }

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

    .page-hero h2 {
        font-size: 28px;
    }

    .content-block,
    .service-detail-item,
    .case-detail-body,
    .case-detail-header,
    .news-detail-item,
    .contact-info-card,
    .contact-form-card {
        padding: 24px;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .case-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .hero-btns {
        flex-direction: column;
    }

    .hero-btns .btn {
        width: 100%;
        justify-content: center;
    }
}