/* ==========================================
   金钥匙网络数据中心 - aigoldenkey.com
   全站样式表
   ========================================== */

/* 1. DESIGN TOKENS */
:root {
    --primary: #1B2A4A;
    --primary-dark: #0F1B33;
    --primary-light: #E8EDF5;
    --primary-rgb: 27, 42, 74;

    --accent-blue: #2D7FF9;
    --accent-blue-dark: #1A6AE0;
    --accent-blue-light: #E3EEFF;
    --accent-blue-rgb: 45, 127, 249;

    --accent-green: #00C48C;
    --accent-green-dark: #00A876;

    --accent-orange: #FF6B35;
    --accent-orange-dark: #E55A28;

    --text-primary: #1A1A2E;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --bg-white: #ffffff;
    --bg-light: #F7F8FC;
    --bg-dark: #0D1421;
    --border: #E5E7EB;
    --border-light: #F0F1F5;

    --chart-1: #2D7FF9;
    --chart-2: #00C48C;
    --chart-3: #FF6B35;
    --chart-4: #A855F7;
    --chart-5: #F59E0B;
    --chart-6: #EF4444;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 50px;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    --section-py: 80px;
    --max-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. RESET & BASE */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--accent-blue-dark);
}

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

h1, h2, h3, h4, h5, h6 {
    line-height: 1.25;
    color: var(--text-primary);
    font-weight: 700;
}

ul, ol {
    list-style: none;
}

/* 3. LAYOUT UTILITIES */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-py) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* 4. TOP BAR */
.top-bar {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: rgba(255,255,255,0.9);
    font-size: 0.85rem;
    padding: 8px 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-bar-left,
.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar a {
    color: rgba(255,255,255,0.9);
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar a:hover {
    color: #fff;
}

.top-bar i {
    color: var(--accent-blue);
}

/* 5. NAVBAR */
.navbar {
    background: var(--bg-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--border-light);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0;
    padding-bottom: 0;
    height: 70px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo a:hover {
    opacity: 0.85;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-blue);
    background: var(--accent-blue-light);
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-blue) !important;
    font-weight: 600 !important;
    background: var(--accent-blue-light) !important;
    padding: 8px 16px !important;
    border-radius: var(--radius-full) !important;
}

.nav-phone i {
    font-size: 0.85rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
    padding: 8px;
}

/* 6. MOBILE MENU */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: var(--bg-white);
    z-index: 2000;
    transition: right 0.3s ease;
    box-shadow: var(--shadow-xl);
    padding: 20px;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-menu-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.mobile-menu-links a:hover,
.mobile-menu-links a.active {
    background: var(--accent-blue-light);
    color: var(--accent-blue);
}

.mobile-menu-links a i {
    width: 20px;
    text-align: center;
    color: var(--accent-blue);
}

.mobile-menu-contact {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.mobile-menu-contact a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1500;
    opacity: 0;
    transition: opacity 0.3s;
}

.mobile-overlay.active {
    opacity: 1;
}

/* 7. HERO SECTION */
.hero {
    background: linear-gradient(135deg, #0D1421 0%, #1B2A4A 50%, #1a3a6a 100%);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(45,127,249,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0,196,140,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(45,127,249,0.15);
    border: 1px solid rgba(45,127,249,0.3);
    color: var(--accent-blue);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero h1 {
    color: #fff;
    font-size: 3.25rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    color: rgba(255,255,255,0.7);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

/* Hero Search Bar */
.hero-search {
    max-width: 650px;
    margin: 0 auto 30px;
}

.hero-search form {
    display: flex;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
    transition: var(--transition);
}

.hero-search form:focus-within {
    background: rgba(255,255,255,0.15);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 4px rgba(45,127,249,0.2);
}

.hero-search input {
    flex: 1;
    padding: 18px 28px;
    border: none;
    background: transparent;
    color: #fff;
    font-size: 1.05rem;
    outline: none;
    font-family: var(--font-family);
}

.hero-search input::placeholder {
    color: rgba(255,255,255,0.5);
}

.hero-search button {
    padding: 18px 32px;
    background: var(--accent-blue);
    color: #fff;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-family);
    white-space: nowrap;
}

.hero-search button:hover {
    background: var(--accent-blue-dark);
}

.hero-hint {
    color: rgba(255,255,255,0.4);
    font-size: 0.85rem;
    margin-top: 12px;
}

.hero-hint span {
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    border-bottom: 1px dashed rgba(255,255,255,0.4);
    -webkit-text-fill-color: initial;
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
}

.hero-hint span:hover {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

/* Floating Cards */
.hero-floating {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.floating-card {
    position: absolute;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    color: #fff;
    font-size: 0.85rem;
    animation: floatCard 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
    top: 15%;
    left: 5%;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 25%;
    right: 5%;
    animation-delay: -2s;
}

.floating-card:nth-child(3) {
    bottom: 20%;
    left: 8%;
    animation-delay: -4s;
}

.floating-card:nth-child(4) {
    bottom: 30%;
    right: 8%;
    animation-delay: -1s;
}

.floating-card .card-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.floating-card .card-trend {
    color: var(--accent-green);
    font-size: 0.75rem;
    font-weight: 600;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* 8. PAGE HEADER */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1a3a6a 100%);
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(45,127,249,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header h1 {
    color: #fff;
    font-size: 2.5rem;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.page-header p {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.breadcrumb {
    margin-top: 16px;
    position: relative;
    z-index: 1;
}

.breadcrumb a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb span {
    color: rgba(255,255,255,0.4);
    margin: 0 8px;
}

.breadcrumb .current {
    color: var(--accent-blue);
}

/* 9. BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-family: var(--font-family);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-blue);
    color: #fff;
    border-color: var(--accent-blue);
}

.btn-primary:hover {
    background: var(--accent-blue-dark);
    border-color: var(--accent-blue-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45,127,249,0.3);
}

.btn-secondary {
    background: var(--accent-green);
    color: #fff;
    border-color: var(--accent-green);
}

.btn-secondary:hover {
    background: var(--accent-green-dark);
    border-color: var(--accent-green-dark);
    color: #fff;
    transform: translateY(-2px);
}

.btn-cta {
    background: var(--accent-orange);
    color: #fff;
    border-color: var(--accent-orange);
}

.btn-cta:hover {
    background: var(--accent-orange-dark);
    border-color: var(--accent-orange-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,107,53,0.3);
}

.btn-outline {
    background: transparent;
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.btn-outline:hover {
    background: var(--accent-blue);
    color: #fff;
    transform: translateY(-2px);
}

.btn-white {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
}

.btn-white:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* 10. STATS SECTION */
.stats-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 50px 0;
}

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

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 2.75rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-number .counter-suffix {
    font-size: 1.5rem;
    color: var(--accent-blue);
}

.stat-label {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

/* 11. SERVICE CARDS */
.services-section {
    background: var(--bg-light);
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 35px 30px;
    transition: var(--transition);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

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

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

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-blue-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--accent-blue);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--accent-blue);
    color: #fff;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-card .service-link {
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.service-card .service-link:hover {
    gap: 10px;
}

/* 12. PROCESS STEPS */
.process-section {
    background: var(--bg-white);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

.process-grid::before {
    content: '';
    position: absolute;
    top: 45px;
    left: 15%;
    right: 15%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green), var(--accent-orange));
    border-radius: 2px;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 90px;
    height: 90px;
    background: var(--bg-white);
    border: 3px solid var(--accent-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--accent-blue);
    transition: var(--transition);
}

.process-step:nth-child(2) .step-number {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.process-step:nth-child(3) .step-number {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.process-step:hover .step-number {
    transform: scale(1.1);
}

.process-step h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.process-step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 13. CASE STUDY CARDS */
.cases-section {
    background: var(--bg-light);
}

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

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-header {
    padding: 24px 28px 16px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--accent-blue-light);
    color: var(--accent-blue);
}

.case-duration {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.case-body {
    padding: 0 28px 20px;
}

.case-body h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.case-body > p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 0 28px 24px;
}

.case-metric {
    text-align: center;
    padding: 12px 8px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.case-metric .label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: 4px;
}

.case-metric .before {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.case-metric .after {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-green);
}

.case-metric .growth {
    font-size: 0.75rem;
    color: var(--accent-green);
    font-weight: 600;
}

/* 14. DASHBOARD / ANALYZER STYLES */
.analyzer-section {
    padding: 40px 0 80px;
    background: var(--bg-light);
    min-height: 60vh;
}

.analyzer-search {
    max-width: 700px;
    margin: 0 auto 40px;
}

.analyzer-search form {
    display: flex;
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: var(--radius-full);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.analyzer-search form:focus-within {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 4px rgba(45,127,249,0.15);
}

.analyzer-search input {
    flex: 1;
    padding: 16px 24px;
    border: none;
    font-size: 1.05rem;
    outline: none;
    font-family: var(--font-family);
    color: var(--text-primary);
    background: transparent;
}

.analyzer-search input::placeholder {
    color: var(--text-tertiary);
}

.analyzer-search button {
    padding: 16px 28px;
    background: var(--accent-blue);
    color: #fff;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-family);
    white-space: nowrap;
}

.analyzer-search button:hover {
    background: var(--accent-blue-dark);
}

/* Dashboard Area */
.dashboard-area {
    display: none;
}

.dashboard-area.active {
    display: block;
}

.dashboard-header {
    margin-bottom: 24px;
    padding: 20px 24px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
}

.dashboard-header h2 {
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 0 0 4px 0;
    line-height: 1.4;
    word-break: break-word;
}

.dashboard-header h2 i {
    color: var(--accent-blue);
    flex-shrink: 0;
}

.analysis-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.dashboard-header .strategy-toggle {
    margin: 0;
}

/* Metric Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.metric-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.metric-card .metric-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.metric-card .metric-label i {
    color: var(--accent-blue);
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.metric-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.metric-trend.up {
    color: var(--accent-green);
}

.metric-trend.down {
    color: #EF4444;
}

/* Chart Containers */
.chart-container {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.chart-container h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-container h3 i {
    color: var(--accent-blue);
    font-size: 0.95rem;
}

.chart-container canvas {
    max-height: 300px;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.chart-grid .chart-container {
    margin-bottom: 0;
}

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead th {
    text-align: left;
    padding: 10px 12px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
    font-weight: 600;
}

.data-table tbody td {
    padding: 12px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.data-table tbody tr:hover {
    background: var(--bg-light);
}

.data-table .rank {
    width: 30px;
    color: var(--text-tertiary);
    font-weight: 700;
}

.data-table .domain-link {
    color: var(--accent-blue);
    font-weight: 500;
}

.data-table .number {
    text-align: right;
    font-weight: 600;
    color: var(--text-primary);
}

.data-table .position-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
}

.data-table .position-badge.top3 {
    background: rgba(0,196,140,0.1);
    color: var(--accent-green);
}

.data-table .position-badge.top10 {
    background: var(--accent-blue-light);
    color: var(--accent-blue);
}

.data-table .position-badge.other {
    background: var(--bg-light);
    color: var(--text-secondary);
}

/* Analyzer Disclaimer */
.analyzer-disclaimer {
    background: var(--accent-blue-light);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    margin: 30px 0;
}

.analyzer-disclaimer p {
    color: var(--accent-blue-dark);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.analyzer-disclaimer i {
    font-size: 1.1rem;
}

/* Analyzer CTA */
.analyzer-cta {
    text-align: center;
    padding: 50px 30px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    margin-top: 40px;
}

.analyzer-cta h2 {
    font-size: 1.75rem;
    margin-bottom: 12px;
}

.analyzer-cta p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

/* Empty state */
.analyzer-empty {
    text-align: center;
    padding: 80px 30px;
}

.analyzer-empty i {
    font-size: 4rem;
    color: var(--border);
    margin-bottom: 20px;
}

.analyzer-empty h3 {
    color: var(--text-secondary);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.analyzer-empty p {
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--border-light) 25%, #e8e8e8 50%, var(--border-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-pulse {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 14B. REAL ANALYZER - PAGESPEED INSIGHTS COMPONENTS */

/* Strategy Toggle */
.strategy-toggle {
    display: flex;
    justify-content: center;
    gap: 0;
    margin: -20px auto 30px;
    max-width: 300px;
    background: var(--bg-white);
    border-radius: var(--radius-full);
    border: 2px solid var(--border);
    overflow: hidden;
}

.strategy-btn {
    flex: 1;
    padding: 10px 20px;
    border: none;
    background: transparent;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.strategy-btn.active {
    background: var(--accent-blue);
    color: #fff;
}

.strategy-btn:not(.active):hover {
    background: var(--bg-light);
}

/* Score Gauges */
.score-gauges {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.score-gauge {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px 16px 16px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.score-gauge:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.score-gauge svg {
    width: 110px;
    height: 110px;
    transform: rotate(-90deg);
    display: block;
    margin: 0 auto;
}

.gauge-bg {
    fill: none;
    stroke: var(--border-light);
    stroke-width: 8;
}

.gauge-fill {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease-out, stroke 0.3s;
}

.gauge-fill.score-good { stroke: var(--accent-green); }
.gauge-fill.score-average { stroke: #F59E0B; }
.gauge-fill.score-poor { stroke: #EF4444; }

.gauge-center {
    position: absolute;
    top: 24px;
    left: 0;
    right: 0;
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.gauge-value {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.gauge-value.score-good { color: var(--accent-green); }
.gauge-value.score-average { color: #F59E0B; }
.gauge-value.score-poor { color: #EF4444; }

.gauge-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 10px;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

/* Screenshot */
.screenshot-container {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    text-align: center;
}

.screenshot-container h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.screenshot-container h3 i {
    color: var(--accent-blue);
}

.screenshot-img {
    max-width: 400px;
    margin: 0 auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

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

/* Core Web Vitals */
.cwv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.cwv-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.cwv-card:hover {
    box-shadow: var(--shadow-md);
}

.cwv-card .cwv-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.cwv-card .cwv-name {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: 8px;
    font-weight: 500;
}

.cwv-card .cwv-value {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.cwv-card .cwv-status {
    display: inline-block;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.cwv-status.good {
    background: rgba(0,196,140,0.1);
    color: var(--accent-green);
}

.cwv-status.average {
    background: rgba(245,158,11,0.1);
    color: #D97706;
}

.cwv-status.poor {
    background: rgba(239,68,68,0.1);
    color: #EF4444;
}

.cwv-value.good { color: var(--accent-green); }
.cwv-value.average { color: #D97706; }
.cwv-value.poor { color: #EF4444; }

/* Performance Metrics Detail */
.perf-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.perf-detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.perf-detail-item .perf-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.perf-dot.good { background: var(--accent-green); }
.perf-dot.average { background: #F59E0B; }
.perf-dot.poor { background: #EF4444; }

.perf-detail-item .perf-info {
    flex: 1;
    min-width: 0;
}

.perf-detail-item .perf-name {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: 2px;
}

.perf-detail-item .perf-val {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Audit Section */
.audit-section {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    overflow: hidden;
}

.audit-header {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: var(--transition);
}

.audit-header:hover {
    background: var(--bg-light);
}

.audit-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.audit-header-left i {
    color: var(--accent-blue);
    font-size: 1.1rem;
}

.audit-header-left h3 {
    font-size: 1.1rem;
    margin: 0;
}

.audit-count {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    background: var(--bg-light);
    color: var(--text-secondary);
}

.audit-count.all-pass {
    background: rgba(0,196,140,0.1);
    color: var(--accent-green);
}

.audit-header .toggle-icon {
    color: var(--text-tertiary);
    transition: transform 0.3s;
}

.audit-header.expanded .toggle-icon {
    transform: rotate(180deg);
}

.audit-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.audit-body.expanded {
    max-height: 5000px;
}

.audit-group-label {
    padding: 10px 24px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-light);
    border-top: 1px solid var(--border-light);
}

.audit-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 24px;
    border-top: 1px solid var(--border-light);
    transition: var(--transition);
}

.audit-item:hover {
    background: var(--bg-light);
}

.audit-item .audit-icon {
    flex-shrink: 0;
    margin-top: 2px;
    font-size: 0.9rem;
}

.audit-icon.pass { color: var(--accent-green); }
.audit-icon.fail { color: #EF4444; }
.audit-icon.warn { color: #F59E0B; }
.audit-icon.info { color: var(--text-tertiary); }

.audit-item .audit-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.audit-item .audit-desc {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    line-height: 1.5;
}

.audit-item .audit-value {
    margin-left: auto;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    padding-left: 12px;
}

/* Opportunities */
.opportunity-list {
    padding: 0 24px 20px;
}

.opportunity-card {
    padding: 16px 0;
    border-bottom: 1px solid var(--border-light);
}

.opportunity-card:last-child {
    border-bottom: none;
}

.opp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.opp-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.opp-savings {
    font-size: 0.8rem;
    font-weight: 600;
    color: #EF4444;
    background: rgba(239,68,68,0.08);
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

.opp-bar {
    height: 6px;
    background: var(--border-light);
    border-radius: 3px;
    overflow: hidden;
}

.opp-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #EF4444, #F59E0B);
    border-radius: 3px;
    transition: width 0.8s ease;
}

/* Loading Progress */
.loading-progress {
    text-align: center;
    padding: 80px 20px;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid var(--border-light);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 24px;
}

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

.loading-progress .loading-msg {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    transition: opacity 0.3s;
}

.loading-progress .loading-sub {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.loading-progress .loading-bar {
    max-width: 300px;
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    margin: 20px auto 0;
    overflow: hidden;
}

.loading-progress .loading-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    border-radius: 2px;
    width: 0%;
    transition: width 0.5s ease;
}

/* Error State */
.error-state {
    text-align: center;
    padding: 60px 20px;
}

.error-state .error-icon {
    width: 80px;
    height: 80px;
    background: rgba(239,68,68,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.error-state .error-icon i {
    font-size: 2rem;
    color: #EF4444;
}

.error-state h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.error-state p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.error-state .btn-retry {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--accent-blue);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
}

.error-state .btn-retry:hover {
    background: var(--accent-blue-dark);
}

/* Data Source Badge */
.data-source-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(0,196,140,0.1);
    color: var(--accent-green);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 12px;
}

.data-source-badge i {
    font-size: 0.7rem;
}

/* Dashboard Header Extended */
.dashboard-header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
}

.dashboard-header-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* 15. WHY CHOOSE US */
.why-section {
    background: var(--bg-white);
}

.why-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.why-card:hover {
    background: var(--bg-light);
}

.why-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
}

.why-card:nth-child(1) .why-icon {
    background: rgba(45,127,249,0.1);
    color: var(--accent-blue);
}

.why-card:nth-child(2) .why-icon {
    background: rgba(0,196,140,0.1);
    color: var(--accent-green);
}

.why-card:nth-child(3) .why-icon {
    background: rgba(255,107,53,0.1);
    color: var(--accent-orange);
}

.why-card:nth-child(4) .why-icon {
    background: rgba(168,85,247,0.1);
    color: #A855F7;
}

.why-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.why-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 16. CTA BANNER */
.cta-section {
    background: linear-gradient(135deg, var(--accent-blue) 0%, #1a3a6a 50%, var(--primary) 100%);
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-section h2 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-section p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* 17. CONTACT SECTION */
.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.contact-info-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.contact-info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.contact-info-card .card-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-blue-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.3rem;
    color: var(--accent-blue);
}

.contact-info-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.contact-info-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-info-card a {
    color: var(--accent-blue);
    font-weight: 600;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: start;
}

.contact-details h2 {
    font-size: 1.75rem;
    margin-bottom: 20px;
}

.contact-details p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.contact-list {
    margin-bottom: 24px;
}

.contact-list-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
}

.contact-list-item i {
    color: var(--accent-blue);
    font-size: 1.1rem;
    margin-top: 3px;
    width: 20px;
    text-align: center;
}

.contact-list-item .info-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: 2px;
}

.contact-list-item .info-value {
    color: var(--text-primary);
    font-weight: 500;
}

.contact-list-item a {
    color: var(--accent-blue);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.contact-form-wrapper h3 {
    font-size: 1.3rem;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-group label .required {
    color: #EF4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    transition: var(--transition);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(45,127,249,0.1);
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-submit {
    margin-top: 8px;
}

.form-submit .btn {
    width: 100%;
    justify-content: center;
    padding: 14px;
    font-size: 1.05rem;
}

/* Map Section */
.map-section {
    margin-top: 50px;
}

.map-section h2 {
    text-align: center;
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
    display: block;
}

/* 18. FOOTER */
.footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.footer-col p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.6);
    margin-bottom: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    width: 38px;
    height: 38px;
    font-size: 1rem;
}

.footer-logo .logo-text {
    color: #fff;
    font-size: 1.1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-blue);
    padding-left: 4px;
}

.footer-links a i {
    font-size: 0.7rem;
    color: var(--accent-blue);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.footer-contact-item i {
    color: var(--accent-blue);
    margin-top: 4px;
    width: 16px;
    text-align: center;
}

.footer-contact-item a {
    color: rgba(255,255,255,0.6);
}

.footer-contact-item a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

.footer-bottom a {
    color: rgba(255,255,255,0.5);
}

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

/* 19. ABOUT PAGE */
.about-story {
    padding: var(--section-py) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.about-feature-item i {
    color: var(--accent-green);
}

.about-visual {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-blue) 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: #fff;
    text-align: center;
}

.about-visual-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.about-stat {
    padding: 20px;
}

.about-stat .number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 6px;
}

.about-stat .label {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

/* Mission Cards */
.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.mission-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.mission-card:hover {
    box-shadow: var(--shadow-md);
}

.mission-card .mission-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.mission-card:nth-child(1) .mission-icon {
    background: rgba(45,127,249,0.1);
    color: var(--accent-blue);
}

.mission-card:nth-child(2) .mission-icon {
    background: rgba(0,196,140,0.1);
    color: var(--accent-green);
}

.mission-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.mission-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Service Detail Cards */
.service-detail {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border-light);
    margin-bottom: 30px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    align-items: start;
    transition: var(--transition);
}

.service-detail:hover {
    box-shadow: var(--shadow-md);
}

.service-detail .detail-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.service-detail:nth-child(odd) .detail-icon {
    background: var(--accent-blue-light);
    color: var(--accent-blue);
}

.service-detail:nth-child(even) .detail-icon {
    background: rgba(0,196,140,0.1);
    color: var(--accent-green);
}

.service-detail h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.service-detail > div > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.feature-list li i {
    color: var(--accent-green);
    font-size: 0.8rem;
}

/* Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border-light);
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--accent-blue);
    box-shadow: 0 8px 30px rgba(45,127,249,0.15);
    transform: scale(1.02);
}

.pricing-card.featured::before {
    content: '推荐';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-blue);
    color: #fff;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.pricing-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.pricing-card .price {
    font-size: 0.95rem;
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: 20px;
}

.pricing-features {
    text-align: left;
    margin-bottom: 24px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

.pricing-features li i {
    color: var(--accent-green);
    font-size: 0.85rem;
}

/* 20. ANIMATIONS */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

/* 21. RESPONSIVE */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }
}

@media (max-width: 768px) {
    :root {
        --section-py: 50px;
    }

    .top-bar {
        display: none;
    }

    .nav-links {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .mobile-menu {
        display: block;
    }

    .hero {
        padding: 80px 0 60px;
        min-height: auto;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-search form {
        flex-direction: column;
        border-radius: var(--radius-md);
    }

    .hero-search input {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .hero-search button {
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        justify-content: center;
    }

    .floating-card {
        display: none;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

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

    .stat-number {
        font-size: 2rem;
    }

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

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

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

    .page-header {
        padding: 100px 0 40px;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

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

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

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

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

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

    .service-detail {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .service-detail .detail-icon {
        margin: 0 auto;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

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

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

    .cta-section h2 {
        font-size: 1.5rem;
    }

    .analyzer-search form {
        flex-direction: column;
        border-radius: var(--radius-md);
    }

    .analyzer-search button {
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        justify-content: center;
    }

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

    .score-gauges {
        grid-template-columns: 1fr 1fr;
    }

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

    .perf-detail-grid {
        grid-template-columns: 1fr;
    }

    .audit-item {
        padding: 12px 16px;
    }

    .dashboard-header {
        padding: 16px;
    }

    .dashboard-header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .dashboard-header h2 {
        font-size: 1.2rem;
    }

    .dashboard-header .strategy-toggle {
        align-self: stretch;
        max-width: 100%;
    }

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-number {
        font-size: 1.75rem;
    }

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

    .score-gauges {
        grid-template-columns: 1fr 1fr;
    }

    .case-metrics {
        grid-template-columns: 1fr;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 1rem;
    }
}