/* ============================================================
   佳一GEO 企业官网样式 — 专业·大气·可信赖
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
    --corp-primary: #1a56db;
    --corp-primary-dark: #1347b8;
    --corp-primary-light: #e8f0fe;
    --corp-accent: #0ea5e9;
    --corp-text: #1e293b;
    --corp-text-secondary: #64748b;
    --corp-text-light: #94a3b8;
    --corp-bg: #ffffff;
    --corp-bg-alt: #f8fafc;
    --corp-border: #e2e8f0;
    --corp-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --corp-shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.03);
    --corp-shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
    --corp-radius: 12px;
    --corp-radius-sm: 8px;
    --corp-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ---- Reset & Base ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--corp-font);
    font-size: 15px;
    line-height: 1.7;
    color: var(--corp-text);
    background: var(--corp-bg);
    -webkit-font-smoothing: antialiased;
}

/* ---- Header 导航栏 ---- */
.corp-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid #e2e8f0;
    transition: box-shadow 0.3s;
}
.corp-header.scrolled {
    box-shadow: var(--corp-shadow-md);
}
.corp-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.corp-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    z-index: 1001;
    line-height: 0;
}
.corp-logo-img {
    height: 44px;
    width: auto;
    display: block;
    transition: transform 0.3s;
}
.corp-logo:hover .corp-logo-img {
    transform: scale(1.04);
}
.corp-logo-text {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 2px;
    white-space: nowrap;
    color: var(--corp-text);
}
.corp-logo-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    background: linear-gradient(135deg, #1a56db, #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-left: 2px;
}

/* Navigation */
.corp-nav { display: flex; gap: 4px; }
.corp-nav-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: var(--corp-radius-sm);
    text-decoration: none;
    color: var(--corp-text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    white-space: nowrap;
}
.corp-nav-link:hover { color: var(--corp-primary); background: var(--corp-primary-light); }
.corp-nav-link.active { color: var(--corp-primary); background: var(--corp-primary-light); }

/* Header Actions */
.corp-header-actions { display: flex; align-items: center; gap: 12px; }
.corp-btn-login {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border: 2px solid var(--corp-primary);
    border-radius: 24px;
    background: transparent;
    color: var(--corp-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--corp-font);
    transition: all 0.25s;
    white-space: nowrap;
}
.corp-btn-login:hover {
    background: var(--corp-primary);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26,86,219,0.3);
}

/* Mobile Toggle */
.corp-mobile-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    z-index: 1001;
    padding: 8px;
}
.corp-mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--corp-text);
    border-radius: 2px;
    transition: all 0.3s;
}
.corp-mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.corp-mobile-toggle.active span:nth-child(2) { opacity: 0; }
.corp-mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Hero Section ---- */
.corp-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    overflow: hidden;
    background: linear-gradient(180deg, #f0f5ff 0%, #fff 100%);
}
.corp-hero-bg { position: absolute; inset: 0; overflow: hidden; }
.corp-hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 20s ease-in-out infinite;
}
.corp-hero-orb.orb1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(26,86,219,0.15), transparent);
    top: -100px; right: -100px;
    animation-delay: 0s;
}
.corp-hero-orb.orb2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(14,165,233,0.12), transparent);
    bottom: -80px; left: -80px;
    animation-delay: -7s;
}
.corp-hero-orb.orb3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(99,102,241,0.1), transparent);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}
@keyframes orbFloat {
    0%, 100% { transform: translate(0,0) scale(1); }
    33% { transform: translate(30px,-30px) scale(1.05); }
    66% { transform: translate(-20px,20px) scale(0.95); }
}

.corp-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}
.corp-hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--corp-primary-light);
    color: var(--corp-primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}
.corp-hero-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--corp-text);
    letter-spacing: -0.02em;
}
.corp-hero-title .highlight {
    background: linear-gradient(135deg, var(--corp-primary), var(--corp-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.corp-hero-subtitle {
    font-size: 17px;
    color: var(--corp-text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.corp-hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}
.corp-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--corp-primary), var(--corp-primary-dark));
    color: #fff;
    border: none;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    font-family: var(--corp-font);
    transition: all 0.25s;
    box-shadow: 0 4px 16px rgba(26,86,219,0.3);
    white-space: nowrap;
}
.corp-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26,86,219,0.4);
}
.corp-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: #fff;
    color: var(--corp-primary);
    border: 2px solid var(--corp-primary);
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    font-family: var(--corp-font);
    transition: all 0.25s;
    white-space: nowrap;
}
.corp-btn-outline:hover {
    background: var(--corp-primary-light);
    transform: translateY(-2px);
}

/* Hero Stats */
.corp-hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 32px;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(8px);
    border-radius: var(--corp-radius);
    border: 1px solid var(--corp-border);
}
.corp-stat-item { text-align: center; }
.corp-stat-num {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--corp-primary);
    line-height: 1.2;
}
.corp-stat-label {
    display: block;
    font-size: 13px;
    color: var(--corp-text-secondary);
    margin-top: 4px;
}

.corp-hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--corp-text-light);
    font-size: 12px;
    cursor: pointer;
    animation: bounce 2s infinite;
    transition: color 0.3s;
}
.corp-hero-scroll:hover { color: var(--corp-primary); }
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-8px); }
}

/* ---- Section Common ---- */
.corp-section { padding: 100px 24px; }
.corp-section-alt { background: var(--corp-bg-alt); }
.corp-container { max-width: 1200px; margin: 0 auto; }

.corp-section-header { text-align: center; margin-bottom: 56px; }
.corp-section-tag {
    display: inline-block;
    padding: 4px 16px;
    background: var(--corp-primary-light);
    color: var(--corp-primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}
.corp-section-title {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 700;
    color: var(--corp-text);
    margin-bottom: 12px;
}
.corp-section-desc {
    font-size: 16px;
    color: var(--corp-text-secondary);
    max-width: 500px;
    margin: 0 auto;
}
.corp-section-cta { text-align: center; margin-top: 48px; }

/* ---- About Section ---- */
.corp-about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}
.corp-about-text h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--corp-text);
}
.corp-about-text p {
    font-size: 15px;
    color: var(--corp-text-secondary);
    line-height: 1.9;
    margin-bottom: 16px;
}
.corp-about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.corp-highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: var(--corp-bg);
    border-radius: var(--corp-radius-sm);
    border: 1px solid var(--corp-border);
    transition: all 0.25s;
}
.corp-highlight-item:hover {
    border-color: var(--corp-primary);
    box-shadow: var(--corp-shadow-md);
}
.corp-highlight-icon { font-size: 24px; flex-shrink: 0; }
.corp-highlight-info strong { display: block; font-size: 14px; color: var(--corp-text); margin-bottom: 4px; }
.corp-highlight-info span { font-size: 12px; color: var(--corp-text-secondary); }

.corp-about-visual {
    display: flex;
    justify-content: center;
}
.corp-about-card {
    background: linear-gradient(135deg, var(--corp-primary), var(--corp-accent));
    color: #fff;
    border-radius: var(--corp-radius);
    padding: 48px 36px;
    text-align: center;
    max-width: 320px;
    box-shadow: 0 20px 40px rgba(26,86,219,0.2);
}
.corp-about-card-icon { font-size: 48px; margin-bottom: 20px; }
.corp-about-card-title { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.corp-about-card-desc { font-size: 14px; opacity: 0.9; line-height: 1.7; }

/* ---- Services Grid ---- */
.corp-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.corp-service-card {
    background: #fff;
    border-radius: var(--corp-radius);
    padding: 32px 28px;
    border: 1px solid var(--corp-border);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}
.corp-service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--corp-shadow-lg);
    border-color: var(--corp-primary);
}
/* Featured service card (GEO) */
.corp-service-card-featured {
    border: 2px solid var(--corp-primary);
    background: linear-gradient(135deg, #fff 0%, #f0f5ff 100%);
    position: relative;
}
.corp-service-card-featured::before {
    content: '⭐ 核心业务';
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--corp-primary), var(--corp-accent));
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
}
.corp-service-card-featured:hover {
    border-color: var(--corp-primary-dark);
    box-shadow: 0 12px 32px rgba(26,86,219,0.18);
}
.corp-service-icon { font-size: 36px; margin-bottom: 16px; }
.corp-service-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--corp-text);
}
.corp-service-card > p {
    font-size: 14px;
    color: var(--corp-text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    flex-grow: 1;
}
.corp-service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.corp-service-features li {
    font-size: 13px;
    color: var(--corp-text-secondary);
    padding-left: 18px;
    position: relative;
}
.corp-service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--corp-primary);
    font-weight: 700;
    font-size: 12px;
}

/* ---- Why Us ---- */
.corp-why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.corp-why-item {
    padding: 32px 28px;
    background: #fff;
    border-radius: var(--corp-radius);
    border: 1px solid var(--corp-border);
    transition: all 0.3s;
}
.corp-why-item:hover {
    box-shadow: var(--corp-shadow-md);
    border-color: var(--corp-primary);
}
.corp-why-num {
    font-size: 40px;
    font-weight: 800;
    color: var(--corp-primary-light);
    line-height: 1;
    margin-bottom: 12px;
}
.corp-why-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--corp-text); }
.corp-why-item p { font-size: 14px; color: var(--corp-text-secondary); line-height: 1.7; }

/* ---- FAQ ---- */
.corp-faq-list { max-width: 800px; margin: 0 auto; }
.corp-faq-item {
    background: #fff;
    border-radius: var(--corp-radius-sm);
    border: 1px solid var(--corp-border);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.3s;
}
.corp-faq-item.open { border-color: var(--corp-primary); box-shadow: var(--corp-shadow-md); }
.corp-faq-q {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--corp-text);
    user-select: none;
    transition: background 0.2s;
}
.corp-faq-q:hover { background: var(--corp-bg-alt); }
.corp-faq-q > span:first-child {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--corp-primary), var(--corp-accent));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}
.corp-faq-arrow { margin-left: auto; font-size: 14px; color: var(--corp-text-light); transition: transform 0.3s; }
.corp-faq-item.open .corp-faq-arrow { transform: rotate(180deg); color: var(--corp-primary); }
.corp-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
.corp-faq-item.open .corp-faq-a {
    max-height: 500px;
    padding: 0 24px 20px 64px;
}
.corp-faq-a p { font-size: 14px; color: var(--corp-text-secondary); line-height: 1.8; }

/* ---- Contact ---- */
.corp-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}
.corp-contact-info h3, .corp-contact-form-wrap h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--corp-text);
}
.corp-contact-item {
    display: flex;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid var(--corp-border);
}
.corp-contact-item:last-child { border-bottom: none; }
.corp-contact-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.corp-contact-item strong { display: block; font-size: 14px; color: var(--corp-text); margin-bottom: 4px; }

/* ---- QR Codes ---- */
.corp-qr-row {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--corp-border);
}
.corp-qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.corp-qr-img {
    width: 140px;
    height: 140px;
    border-radius: 12px;
    border: 1px solid var(--corp-border);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    object-fit: contain;
}
.corp-qr-label {
    font-size: 13px;
    color: var(--corp-text-secondary);
    font-weight: 500;
}
.corp-contact-item p { font-size: 14px; color: var(--corp-text-secondary); }

.corp-contact-form { display: flex; flex-direction: column; gap: 18px; }
.corp-form-group { display: flex; flex-direction: column; gap: 6px; }
.corp-form-group label { font-size: 14px; font-weight: 600; color: var(--corp-text); }
.corp-form-group input,
.corp-form-group textarea {
    padding: 12px 16px;
    border: 1.5px solid var(--corp-border);
    border-radius: var(--corp-radius-sm);
    font-size: 14px;
    font-family: var(--corp-font);
    color: var(--corp-text);
    transition: all 0.25s;
    outline: none;
    background: #fff;
    resize: vertical;
}
.corp-form-group input:focus,
.corp-form-group textarea:focus {
    border-color: var(--corp-primary);
    box-shadow: 0 0 0 3px var(--corp-primary-light);
}
.corp-form-group input::placeholder,
.corp-form-group textarea::placeholder {
    color: var(--corp-text-light);
}
.corp-btn-submit { width: 100%; justify-content: center; margin-top: 4px; }
.corp-form-note { font-size: 12px; color: var(--corp-text-light); margin-top: 12px; text-align: center; }

/* ---- Quote Button (报价按钮) ---- */
.corp-btn-quote {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    border: none;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    font-family: var(--corp-font);
    transition: all 0.25s;
    box-shadow: 0 4px 16px rgba(245,158,11,0.3);
    white-space: nowrap;
}
.corp-btn-quote:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245,158,11,0.4);
}

/* ---- Clients Grid ---- */
.corp-clients-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.corp-client-item {
    display: flex;
    align-items: stretch;
}
.corp-client-link {
    display: flex;
    flex-direction: column;
    width: 100%;
    text-decoration: none;
    background: #fff;
    border-radius: var(--corp-radius);
    border: 1px solid var(--corp-border);
    overflow: hidden;
    transition: all 0.3s;
}
.corp-client-link:hover {
    border-color: var(--corp-primary);
    box-shadow: var(--corp-shadow-md);
    transform: translateY(-3px);
}
/* Logo 展示区（上） */
.corp-client-logo-wrap {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: linear-gradient(135deg, #fafbfc, #f1f5f9);
    border-bottom: 1px solid var(--corp-border);
}
.corp-client-logo-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.corp-client-logo-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.corp-client-logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--corp-text);
    letter-spacing: 1px;
}
/* 品牌字标（无Logo时的替代） */
.corp-client-brand-mark {
    font-size: 26px;
    font-weight: 900;
    letter-spacing: 2px;
    padding: 8px 20px;
    border-radius: 10px;
    color: #fff;
    text-align: center;
}
.corp-brand-shentang { background: linear-gradient(135deg, #e83929, #c0392b); }
.corp-brand-orit { background: linear-gradient(135deg, #1a56db, #1e40af); }
.corp-brand-shenli { background: linear-gradient(135deg, #f59e0b, #d97706); }
/* 公司信息区（下） */
.corp-client-info {
    padding: 14px 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.corp-client-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--corp-text);
}
.corp-client-industry {
    font-size: 12px;
    color: var(--corp-text-light);
}

/* ---- Cases Grid ---- */
.corp-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.corp-case-card {
    background: #fff;
    border-radius: var(--corp-radius);
    padding: 32px 28px;
    border: 1px solid var(--corp-border);
    transition: all 0.3s;
}
.corp-case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--corp-shadow-lg);
    border-color: var(--corp-primary);
}
.corp-case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--corp-primary-light);
    color: var(--corp-primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}
.corp-case-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--corp-text);
    margin-bottom: 16px;
    line-height: 1.4;
}
.corp-case-meta {
    font-size: 13px;
    color: var(--corp-text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
}
.corp-case-meta span {
    font-weight: 600;
    color: var(--corp-text);
}

/* ---- Team Grid ---- */
.corp-team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.corp-team-card {
    background: #fff;
    border-radius: var(--corp-radius);
    padding: 36px 28px;
    border: 1px solid var(--corp-border);
    text-align: center;
    transition: all 0.3s;
}
.corp-team-card:hover {
    box-shadow: var(--corp-shadow-md);
    border-color: var(--corp-primary);
    transform: translateY(-2px);
}
.corp-team-avatar {
    font-size: 56px;
    margin-bottom: 16px;
}
.corp-team-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--corp-text);
    margin-bottom: 6px;
}
.corp-team-role {
    font-size: 13px;
    color: var(--corp-primary);
    font-weight: 600;
    margin-bottom: 12px;
}
.corp-team-desc {
    font-size: 13px;
    color: var(--corp-text-secondary);
    line-height: 1.7;
}

/* ---- Footer ---- */
.corp-footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 60px 24px 30px;
}
.corp-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.corp-footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}
.corp-footer-about p { font-size: 13px; line-height: 1.8; margin-bottom: 8px; color: #94a3b8; }
.corp-footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.corp-footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.corp-footer-col ul li { font-size: 13px; }
.corp-footer-col ul li a { color: #94a3b8; text-decoration: none; transition: color 0.2s; }
.corp-footer-col ul li a:hover { color: #fff; }
.corp-footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
    font-size: 12px;
    color: #64748b;
    line-height: 1.8;
}
.corp-footer-bottom a { color: #64748b; text-decoration: none; }
.corp-footer-bottom a:hover { color: #94a3b8; }

/* ---- Floating Contact Bar (右侧悬浮咨询栏) ---- */
.corp-floating-bar {
    position: fixed;
    right: 20px;
    bottom: 120px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.corp-float-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    text-decoration: none;
    transition: all 0.3s;
    gap: 2px;
    border: 1px solid var(--corp-border);
}
.corp-float-item:hover {
    background: var(--corp-primary);
    border-color: var(--corp-primary);
    transform: translateX(-2px);
    box-shadow: 0 4px 16px rgba(26,86,219,0.25);
}
.corp-float-item:hover .corp-float-icon,
.corp-float-item:hover .corp-float-text {
    color: #fff;
}
.corp-float-icon {
    font-size: 20px;
    transition: color 0.3s;
}
.corp-float-text {
    font-size: 10px;
    color: var(--corp-text-secondary);
    font-weight: 500;
    transition: color 0.3s;
}
.corp-float-backtop {
    margin-top: 8px;
    border-top: 1px solid var(--corp-border);
    padding-top: 4px;
    border-radius: 12px;
}

/* ---- WeChat QR Modal ---- */
.corp-wx-qr-modal {
    position: fixed;
    inset: 0;
    z-index: 2100;
    display: flex;
    align-items: center;
    justify-content: center;
}
.corp-wx-qr-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}
.corp-wx-qr-content {
    position: relative;
    background: #fff;
    border-radius: var(--corp-radius);
    padding: 40px 36px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    max-width: 90vw;
    width: 360px;
}
.corp-wx-qr-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--corp-text);
    margin-bottom: 20px;
}
.corp-wx-qr-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--corp-bg-alt);
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    color: var(--corp-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.corp-wx-qr-close:hover { background: var(--corp-border); }
.corp-wx-qr-placeholder {
    padding: 32px;
    background: var(--corp-bg-alt);
    border-radius: var(--corp-radius-sm);
}

/* ---- FAQ H4 styling ---- */
.corp-faq-q h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--corp-text);
    margin: 0;
    flex: 1;
}

/* ---- Login State Styles ---- */
.corp-btn-login.logged-in {
    background: var(--corp-primary-light);
    color: var(--corp-primary);
    border: 1px dashed var(--corp-primary);
    font-weight: 600;
}
.corp-btn-go-tools {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--corp-primary), var(--corp-accent));
    color: #fff;
    border: none;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--corp-font);
    text-decoration: none;
    transition: all 0.25s;
    white-space: nowrap;
}
.corp-btn-go-tools:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26,86,219,0.3);
}
.corp-btn-logout {
    padding: 8px 16px;
    background: transparent;
    color: var(--corp-text-secondary);
    border: 1px solid var(--corp-border);
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    font-family: var(--corp-font);
    transition: all 0.2s;
}
.corp-btn-logout:hover { color: #ef4444; border-color: #ef4444; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .corp-services-grid { grid-template-columns: repeat(2, 1fr); }
    .corp-why-grid { grid-template-columns: repeat(2, 1fr); }
    .corp-footer-grid { grid-template-columns: 1fr 1fr; }
    .corp-contact-grid { grid-template-columns: 1fr; }
    .corp-about-grid { grid-template-columns: 1fr; gap: 40px; }
    .corp-clients-grid { grid-template-columns: repeat(3, 1fr); }
    .corp-cases-grid { grid-template-columns: repeat(2, 1fr); }
    .corp-team-grid { grid-template-columns: repeat(2, 1fr); }
    .corp-qr-row { gap: 32px; }
    .corp-qr-img { width: 120px; height: 120px; }
}

@media (max-width: 768px) {
    .corp-header-inner { padding: 0 16px; height: 60px; }
    .corp-nav {
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 8px;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }
    .corp-nav.open { opacity: 1; pointer-events: auto; }
    .corp-nav-link { font-size: 18px; padding: 12px 24px; }
    .corp-mobile-toggle { display: flex; }
    .corp-header-actions { display: none; }
    .corp-header-actions.mobile-visible {
        display: flex;
        position: fixed;
        bottom: 40px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 1001;
    }
    .corp-hero { padding: 100px 20px 60px; }
    .corp-hero-stats { gap: 24px; padding: 20px; }
    .corp-hero-actions { flex-direction: column; align-items: center; }
    .corp-section { padding: 64px 20px; }
    .corp-services-grid { grid-template-columns: 1fr; }
    .corp-why-grid { grid-template-columns: 1fr; }
    .corp-footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .corp-about-highlights { grid-template-columns: 1fr; }
    .corp-about-card { padding: 32px 24px; }
    .corp-clients-grid { grid-template-columns: repeat(3, 1fr); }
    .corp-cases-grid { grid-template-columns: 1fr; }
    .corp-team-grid { grid-template-columns: 1fr; }
    .corp-floating-bar { right: 8px; bottom: 80px; }
    .corp-float-item { width: 48px; height: 48px; border-radius: 10px; }
    .corp-float-icon { font-size: 18px; }
    .corp-float-text { font-size: 9px; }
    .corp-qr-row { gap: 24px; }
    .corp-qr-img { width: 100px; height: 100px; }
    .corp-client-logo { padding: 12px; }
}

/* ---- Login Modal Overrides (matching corp style) ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(4px);
}
.modal-content {
    background: #fff;
    border-radius: var(--corp-radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    max-width: 90vw;
    width: 400px;
    overflow: hidden;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--corp-border);
}
.modal-header h3 { font-size: 18px; font-weight: 700; color: var(--corp-text); }
.modal-close {
    width: 32px; height: 32px;
    border: none; background: var(--corp-bg-alt);
    border-radius: 50%; font-size: 18px;
    cursor: pointer; color: var(--corp-text-secondary);
    display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: var(--corp-border); }
.modal-body { padding: 24px; }