/* ============================================
   福布斯客服中心 - 主样式表
   设计风格：深色商务 + 金色点缀
   ============================================ */

:root {
    --color-primary: #0a1628;
    --color-secondary: #1a2a4a;
    --color-accent: #c9a96e;
    --color-accent-hover: #d4b87a;
    --color-white: #ffffff;
    --color-light: #f5f7fa;
    --color-gray: #6b7a8f;
    --color-dark: #0a1628;
    --color-text: #2d3748;
    --color-border: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.1);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --container: 1200px;
}

/* ========== 通用容器 ========== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    letter-spacing: 0.5px;
}
.btn-lg { padding: 16px 40px; font-size: 16px; }
.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-block { width: 100%; }

.btn-primary {
    background: var(--color-accent);
    color: var(--color-dark);
    border-color: var(--color-accent);
}
.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201,169,110,0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}
.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-dark);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}
.btn-outline-light:hover {
    background: var(--color-white);
    color: var(--color-dark);
}

/* ========== 顶部快捷栏 ========== */
.top-bar {
    background: var(--color-dark);
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-left span { margin-right: 24px; }
.top-bar-left .icon-inline { display: inline-block; width: 14px; height: 14px; vertical-align: middle; margin-right: 4px; filter: brightness(0.7); }
.top-bar-right a { color: rgba(255,255,255,0.6); margin-left: 20px; transition: var(--transition); }
.top-bar-right a:hover { color: var(--color-accent); }

/* ========== 主导航 ========== */
.site-header {
    background: var(--color-primary);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
    transition: var(--transition);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.brand-logo img { height: 42px; width: auto; }
.primary-nav ul { display: flex; gap: 8px; }
.primary-nav a {
    display: block;
    padding: 10px 18px;
    color: rgba(255,255,255,0.8);
    font-size: 15px;
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
}
.primary-nav a:hover,
.primary-nav li.active a {
    color: var(--color-accent);
    background: rgba(201,169,110,0.08);
}
.primary-nav li.active a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 1px;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.mobile-menu-toggle span { width: 24px; height: 2px; background: var(--color-white); border-radius: 1px; transition: var(--transition); }

/* ========== Hero区域 ========== */
.hero-section {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--color-dark);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.4;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,22,40,0.85) 0%, rgba(10,22,40,0.6) 50%, rgba(10,22,40,0.85) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 60px;
    align-items: center;
    padding: 80px 24px;
}
.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(201,169,110,0.15);
    border: 1px solid rgba(201,169,110,0.3);
    color: var(--color-accent);
    font-size: 12px;
    letter-spacing: 3px;
    border-radius: 20px;
    margin-bottom: 24px;
}
.hero-text h1 {
    font-size: 52px;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}
.hero-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 540px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero侧边咨询卡片 */
.hero-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
}
.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-white);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.card-icon { width: 28px; height: 28px; filter: brightness(0) saturate(100%) invert(72%) sepia(28%) saturate(506%) hue-rotate(358deg) brightness(96%) contrast(88%); }
.quick-form input,
.quick-form select,
.quick-form textarea {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 12px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius);
    color: var(--color-white);
    font-size: 14px;
    transition: var(--transition);
}
.quick-form input::placeholder,
.quick-form textarea::placeholder { color: rgba(255,255,255,0.4); }
.quick-form input:focus,
.quick-form select:focus,
.quick-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255,255,255,0.12);
}
.quick-form select { color: rgba(255,255,255,0.7); }
.quick-form select option { background: var(--color-primary); }
.card-tip { font-size: 12px; color: rgba(255,255,255,0.4); text-align: center; margin-top: 12px; }

/* 滚动提示 */
.scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255,255,255,0.4);
    font-size: 12px;
    text-align: center;
    letter-spacing: 2px;
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
    margin: 8px auto 0;
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ========== 数据展示区 ========== */
.stats-section {
    background: var(--color-accent);
    padding: 50px 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}
.stat-item { color: var(--color-dark); }
.stat-number {
    font-size: 48px;
    font-weight: 800;
    display: block;
    line-height: 1.1;
}
.stat-unit { font-size: 20px; font-weight: 600; }
.stat-label { display: block; font-size: 15px; margin-top: 6px; opacity: 0.8; font-weight: 500; }

/* ========== 区块标题 ========== */
.section-header { text-align: center; margin-bottom: 60px; }
.section-header-left { text-align: left; display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.section-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
}
.section-tag.light { color: var(--color-accent); }
.section-header h2 {
    font-size: 38px;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
    margin-bottom: 16px;
}
.section-desc {
    font-size: 16px;
    color: var(--color-gray);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.8;
}
.section-more {
    font-size: 15px;
    color: var(--color-accent);
    font-weight: 500;
    white-space: nowrap;
}

/* ========== 服务卡片 ========== */
.services-section { padding: 100px 0; background: var(--color-light); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.service-card {
    display: block;
    padding: 48px 40px;
    border-radius: var(--radius-lg);
    color: var(--color-white);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    min-height: 260px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    transition: var(--transition);
}
.service-card:hover::before { transform: scale(1.5); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card-icon { margin-bottom: 20px; }
.service-card-icon img { width: 48px; height: 48px; filter: brightness(0) invert(1); }
.service-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.service-card p { font-size: 15px; opacity: 0.85; line-height: 1.7; margin-bottom: 20px; }
.service-link { font-size: 14px; font-weight: 600; opacity: 0.9; }

.service-card-blue { background: linear-gradient(135deg, #1a3a6a 0%, #0f2347 100%); }
.service-card-gold { background: linear-gradient(135deg, #b8893e 0%, #8a6520 100%); }
.service-card-dark { background: linear-gradient(135deg, #1a1a2e 0%, #0d0d1a 100%); }
.service-card-purple { background: linear-gradient(135deg, #3a1a6a 0%, #1f0d3d 100%); }

/* ========== 为什么选择我们 ========== */
.why-section { padding: 100px 0; background: var(--color-white); }
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.why-intro { font-size: 16px; color: var(--color-gray); line-height: 1.8; margin-bottom: 32px; }
.why-list { display: flex; flex-direction: column; gap: 20px; }
.why-list li { display: flex; gap: 16px; align-items: flex-start; }
.why-check { width: 24px; height: 24px; flex-shrink: 0; margin-top: 2px; }
.why-list strong { display: block; font-size: 16px; color: var(--color-dark); margin-bottom: 4px; }
.why-list span { font-size: 14px; color: var(--color-gray); }

.why-image-stack { position: relative; }
.why-img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.why-img-main { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.why-img-sub { position: absolute; bottom: -30px; right: -20px; width: 50%; aspect-ratio: 1; object-fit: cover; border: 4px solid var(--color-white); }

/* ========== 服务流程 ========== */
.process-section { padding: 100px 0; background: var(--color-primary); }
.process-section .section-header h2 { color: var(--color-white); }
.process-section .section-desc { color: rgba(255,255,255,0.6); }
.process-timeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
}
.process-timeline::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), rgba(201,169,110,0.2));
}
.process-step { text-align: center; position: relative; }
.process-num {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--color-dark);
    font-size: 22px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    z-index: 2;
    transition: var(--transition);
}
.process-step:hover .process-num { transform: scale(1.1); box-shadow: 0 0 30px rgba(201,169,110,0.4); }
.process-step h4 { color: var(--color-white); font-size: 17px; margin-bottom: 8px; }
.process-step p { color: rgba(255,255,255,0.55); font-size: 14px; line-height: 1.6; }

/* ========== 客户评价 ========== */
.testimonials-section { padding: 100px 0; background: var(--color-light); }
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.testimonial-card {
    background: var(--color-white);
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.testimonial-stars { color: var(--color-accent); font-size: 20px; margin-bottom: 16px; }
.testimonial-card p { font-size: 15px; color: var(--color-text); line-height: 1.8; margin-bottom: 24px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-author img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.testimonial-author strong { display: block; font-size: 15px; color: var(--color-dark); }
.testimonial-author span { font-size: 13px; color: var(--color-gray); }

/* ========== 新闻动态 ========== */
.news-section { padding: 100px 0; background: var(--color-white); }
.news-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 30px;
}
.news-card {
    display: block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    background: var(--color-white);
}
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-card-feature { grid-row: span 1; }
.news-card-img {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
}
.news-card-feature .news-card-img { height: 280px; }
.news-card:hover .news-card-img { transform: scale(1.05); }
.news-card-body { padding: 24px; }
.news-date { font-size: 13px; color: var(--color-accent); font-weight: 600; }
.news-card h3 { font-size: 18px; color: var(--color-dark); margin: 10px 0; line-height: 1.5; }
.news-card p { font-size: 14px; color: var(--color-gray); line-height: 1.7; }

/* ========== CTA区域 ========== */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, #152238 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(201,169,110,0.03);
}
.cta-inner { position: relative; z-index: 2; }
.cta-section h2 { font-size: 40px; color: var(--color-white); margin-bottom: 16px; line-height: 1.3; }
.cta-section p { font-size: 18px; color: rgba(255,255,255,0.6); margin-bottom: 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== 页脚 ========== */
.site-footer { background: #060d18; padding: 70px 0 0; color: rgba(255,255,255,0.6); }
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 50px;
    padding-bottom: 50px;
}
.footer-brand p { font-size: 14px; line-height: 1.8; margin: 20px 0; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,0.05);
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.footer-social a:hover { background: var(--color-accent); }
.footer-social img { width: 20px; height: 20px; filter: brightness(0) invert(1); }
.footer-col h4 { color: var(--color-white); font-size: 17px; margin-bottom: 20px; font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 14px; transition: var(--transition); }
.footer-col a:hover { color: var(--color-accent); }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.footer-contact img { width: 16px; height: 16px; filter: brightness(0.5); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding: 20px 0; text-align: center; font-size: 13px; }
.footer-bottom a { color: var(--color-accent); }

/* ========== 错误页面 ========== */
.error-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--color-primary); }
.error-container { text-align: center; color: var(--color-white); padding: 40px; }
.error-code { font-size: 120px; font-weight: 800; color: var(--color-accent); line-height: 1; }
.error-container h1 { font-size: 28px; margin: 20px 0 12px; }
.error-container p { color: rgba(255,255,255,0.5); margin-bottom: 36px; }
.error-actions { display: flex; gap: 16px; justify-content: center; }