/* ===== CSS Variables ===== */
:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #e8f0fe;
    --red: #EA4335;
    --yellow: #FBBC05;
    --green: #34A853;
    --blue: #4285F4;
    --bg-dark: #202124;
    --bg-darker: #171717;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-light: #80868b;
    --text-white: #ffffff;
    --border: #dadce0;
    --border-light: #e8eaed;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
    --container: 1200px;
}

/* ===== Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, svg {
    max-width: 100%;
}

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

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

ul, ol {
    list-style: none;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Section ===== */
.section {
    padding: 80px 0;
}

.section-light {
    background: var(--bg-light);
}

.section-dark {
    background: var(--bg-dark);
    color: var(--text-white);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

.section-dark .section-subtitle {
    color: rgba(255,255,255,0.65);
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-logo svg {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--primary);
    color: var(--text-white) !important;
    padding: 8px 20px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.875rem !important;
}

.nav-cta:hover {
    background: var(--primary-dark);
    color: var(--text-white) !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle svg {
    width: 24px;
    height: 24px;
    stroke: var(--text-primary);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    line-height: 1.5;
    text-decoration: none;
}

.btn svg {
    width: 20px;
    height: 20px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26,115,232,0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border-color: var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.125rem;
    border-radius: var(--radius-lg);
}

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

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

.btn-outline-white {
    background: transparent;
    color: var(--text-white);
    border-color: rgba(255,255,255,0.3);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
    color: var(--text-white);
}

.btn-green {
    background: var(--green);
    color: var(--text-white);
    border-color: var(--green);
}

.btn-green:hover {
    background: #2d9248;
    border-color: #2d9248;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52,168,83,0.35);
}

/* ===== Hero ===== */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(160deg, #0d1117 0%, #161b2e 40%, #1a2744 100%);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(66,133,244,0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(52,168,83,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 80px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
}

.hero-visual {
    flex: 0 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(66,133,244,0.15);
    color: #8ab4f8;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(66,133,244,0.2);
}

.hero h1 {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, #8ab4f8, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 36px;
    max-width: 520px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-logo {
    width: 300px;
    height: 300px;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 20px 60px rgba(66,133,244,0.3));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Hero Compact (for download.html and zh-cn.html) */
.hero-compact {
    padding: 120px 0 60px;
    text-align: center;
}

.hero-compact h1 {
    font-size: 2.5rem;
    max-width: 700px;
    margin: 0 auto 16px;
}

.hero-compact .hero-desc {
    max-width: 600px;
    margin: 0 auto 36px;
    text-align: center;
}

.hero-compact .hero-actions {
    justify-content: center;
}

/* ===== Stats Bar ===== */
.stats-bar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
    padding: 48px 0;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.stat-item p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* ===== Feature Cards ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-icon-blue { background: #e8f0fe; }
.feature-icon-red { background: #fce8e6; }
.feature-icon-green { background: #e6f4ea; }
.feature-icon-yellow { background: #fef7e0; }

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Why Chrome (alternating rows) ===== */
.why-row {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 80px;
}

.why-row:last-child {
    margin-bottom: 0;
}

.why-row.reverse {
    flex-direction: row-reverse;
}

.why-visual {
    flex: 0 0 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-visual-circle {
    width: 260px;
    height: 260px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.why-visual-circle svg {
    width: 100px;
    height: 100px;
}

.why-visual-blue { background: linear-gradient(135deg, #e8f0fe, #d2e3fc); }
.why-visual-green { background: linear-gradient(135deg, #e6f4ea, #ceead6); }
.why-visual-yellow { background: linear-gradient(135deg, #fef7e0, #feefc3); }

.why-text {
    flex: 1;
}

.why-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.why-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.why-text ul {
    margin-top: 16px;
}

.why-text ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.6;
}

.why-text ul li svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ===== Platform Cards ===== */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.platform-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.platform-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.platform-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
    position: relative;
}

.platform-card.featured::before {
    content: '推荐';
    position: absolute;
    top: -1px;
    right: 20px;
    background: var(--primary);
    color: var(--text-white);
    padding: 2px 12px;
    border-radius: 0 0 8px 8px;
    font-size: 0.75rem;
    font-weight: 600;
}

.platform-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
}

.platform-icon svg {
    width: 56px;
    height: 56px;
}

.platform-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.platform-card .platform-version {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

/* ===== Reviews ===== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

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

.review-stars {
    display: flex;
    gap: 3px;
    margin-bottom: 16px;
}

.review-stars svg {
    width: 16px;
    height: 16px;
    fill: var(--yellow);
}

.review-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9375rem;
}

.avatar-blue { background: #e8f0fe; color: var(--primary); }
.avatar-red { background: #fce8e6; color: var(--red); }
.avatar-green { background: #e6f4ea; color: var(--green); }
.avatar-yellow { background: #fef7e0; color: #e37400; }
.avatar-purple { background: #f3e8fd; color: #7c3aed; }
.avatar-teal { background: #e0f7fa; color: #00838f; }

.review-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.review-role {
    font-size: 0.8125rem;
    color: var(--text-light);
}

/* ===== FAQ Accordion ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    transition: var(--transition);
    gap: 16px;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
    stroke: var(--text-light);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    stroke: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== CTA Banner ===== */
.cta-banner {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: var(--text-white);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-banner h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.cta-banner .btn {
    position: relative;
    z-index: 1;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-darker);
    color: rgba(255,255,255,0.7);
    padding: 48px 0;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255,255,255,0.55);
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-white);
}

.footer-verify {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(52,168,83,0.12);
    color: #81c995;
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.footer-copy {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
    line-height: 1.7;
    max-width: 640px;
    margin: 0 auto;
}

/* ===== Download Page Specific ===== */
.download-main {
    background: var(--bg-white);
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
    position: relative;
}

.download-main-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.download-main-icon svg {
    width: 80px;
    height: 80px;
}

.download-main h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.download-main .version-info {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 24px;
}

.download-main .btn {
    min-width: 260px;
}

.download-note {
    margin-top: 16px;
    font-size: 0.8125rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.download-note svg {
    width: 14px;
    height: 14px;
}

/* System Requirements */
.sys-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 24px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.sys-table th,
.sys-table td {
    padding: 14px 20px;
    text-align: left;
    font-size: 0.9375rem;
}

.sys-table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
}

.sys-table td {
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.sys-table tr:last-child td {
    border-bottom: none;
}

/* Install Steps */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 32px;
}

.step-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 16px;
}

.step-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== SEO Page (zh-cn.html) Specific ===== */
.article-block {
    max-width: 800px;
    margin: 0 auto;
}

.article-block h2 {
    font-size: 1.625rem;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-light);
}

.article-block h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 24px 0 12px;
}

.article-block p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 16px;
}

.article-block ul {
    margin: 16px 0;
    padding-left: 0;
}

.article-block ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.article-block ul li svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 3px;
}

/* Comparison Table */
.compare-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0 32px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
    font-size: 0.9375rem;
}

.compare-table th,
.compare-table td {
    padding: 14px 16px;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.compare-table th {
    background: var(--bg-light);
    font-weight: 600;
}

.compare-table th:first-child,
.compare-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.compare-table .highlight-col {
    background: var(--primary-light);
    font-weight: 600;
    color: var(--primary);
}

.compare-table tr:last-child td {
    border-bottom: none;
}

/* Tips Grid */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 24px 0;
    max-width: 800px;
}

.tip-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.tip-card:hover {
    background: var(--primary-light);
}

.tip-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.tip-card h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.tip-card p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
}

/* Version Timeline */
.timeline {
    margin: 24px 0;
    max-width: 800px;
}

.timeline-item {
    display: flex;
    gap: 20px;
    padding-bottom: 24px;
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 19px;
    top: 44px;
    bottom: 0;
    width: 2px;
    background: var(--border-light);
}

.timeline-dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.timeline-dot svg {
    width: 18px;
    height: 18px;
}

.timeline-content h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.timeline-content .timeline-date {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .features-grid,
    .platform-grid,
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-desc {
        margin: 0 auto 36px;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-logo {
        width: 220px;
        height: 220px;
    }

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

    .why-row {
        flex-direction: column !important;
        gap: 40px;
        text-align: center;
    }

    .why-visual {
        flex: 0 0 auto;
    }

    .why-text ul li {
        justify-content: center;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 56px 0;
    }

    .section-title {
        font-size: 1.625rem;
    }

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

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 16px 24px;
        gap: 0;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-light);
        display: block;
        width: 100%;
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .nav-toggle {
        display: block;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .hero-compact h1 {
        font-size: 1.75rem;
    }

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

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .stat-item h3 {
        font-size: 1.75rem;
    }

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

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

    .download-main {
        padding: 32px 20px;
    }

    .compare-table {
        font-size: 0.8125rem;
    }

    .compare-table th,
    .compare-table td {
        padding: 10px 8px;
    }

    .cta-banner {
        padding: 56px 0;
    }

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