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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: #1a1a2e;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #d4972f, #e8a435);
    color: #fff;
    box-shadow: 0 4px 20px rgba(232, 164, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(232, 164, 53, 0.45);
}

.btn-outline {
    background: transparent;
    color: #d1d5db;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
    border-color: rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
    border-radius: 10px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
    color: #e8a435;
    background: transparent;
    border: 1px solid rgba(232, 164, 53, 0.3);
    border-radius: 6px;
}

.btn-sm:hover {
    background: rgba(232, 164, 53, 0.1);
    border-color: #e8a435;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: rgba(26, 26, 46, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(26, 26, 46, 0.92);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}

.logo img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

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

.nav-links a {
    font-size: 14px;
    color: #9ca3af;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: #fff;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #e8a435, #f0b852);
    border-radius: 1px;
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-btn {
    padding: 8px 20px;
    font-size: 14px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 0 60px;
    overflow: hidden;
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
}

.hero-glow-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #e8a435, transparent 70%);
    top: -10%;
    left: 10%;
}

.hero-glow-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #c47b2a, transparent 70%);
    bottom: -5%;
    right: 10%;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: rgba(232, 164, 53, 0.1);
    border: 1px solid rgba(232, 164, 53, 0.25);
    border-radius: 100px;
    color: #f0b852;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 14px;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 40%, #e8a435 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(15px, 2vw, 18px);
    color: #9ca3af;
    max-width: 580px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 36px;
    padding: 24px 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, #e8a435, #f0b852);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: #6b7280;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
}

/* ===== Section Common ===== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    padding: 4px 16px;
    background: rgba(232, 164, 53, 0.08);
    border: 1px solid rgba(232, 164, 53, 0.2);
    border-radius: 100px;
    color: #e8a435;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    color: #9ca3af;
    font-size: 16px;
    max-width: 560px;
    margin: 0 auto;
}

/* ===== Features ===== */
.features {
    background: linear-gradient(180deg, #1a1a2e 0%, #16162a 50%, #1a1a2e 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    transition: all 0.35s ease;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(232, 164, 53, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 20px;
    margin-bottom: 20px;
}

.icon-green {
    background: rgba(232, 164, 53, 0.1);
    color: #f0b852;
}

.icon-purple {
    background: rgba(196, 123, 42, 0.1);
    color: #d4972f;
}

.icon-cyan {
    background: rgba(232, 164, 53, 0.08);
    color: #e8a435;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: #9ca3af;
    line-height: 1.7;
}

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

.audience-card {
    padding: 40px 32px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    text-align: center;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.audience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #d4972f, #e8a435);
    opacity: 0;
    transition: opacity 0.35s;
}

.audience-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(232, 164, 53, 0.15);
    transform: translateY(-4px);
}

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

.audience-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    border-radius: 16px;
    font-size: 24px;
    background: rgba(232, 164, 53, 0.08);
    color: #f0b852;
}

.audience-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.audience-card p {
    font-size: 14px;
    color: #9ca3af;
    line-height: 1.7;
    margin-bottom: 24px;
}

.card-link {
    font-size: 14px;
    color: #e8a435;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
}

.card-link:hover {
    gap: 10px;
    color: #f0b852;
}

/* ===== News ===== */
.news {
    background: linear-gradient(180deg, #1a1a2e 0%, #16162a 50%, #1a1a2e 100%);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    padding: 28px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(232, 164, 53, 0.15);
    transform: translateY(-4px);
}

.news-tag {
    display: inline-block;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    background: rgba(232, 164, 53, 0.1);
    color: #f0b852;
    margin-bottom: 14px;
    width: fit-content;
}

.news-tag.tag-new {
    background: rgba(196, 123, 42, 0.12);
    color: #d4972f;
}

.news-tag.tag-optimize {
    background: rgba(232, 164, 53, 0.08);
    color: #e8a435;
}

.news-date {
    font-size: 13px;
    color: #6b7280;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.news-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
}

.news-card p {
    font-size: 14px;
    color: #9ca3af;
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.3s;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.faq-item.active {
    border-color: rgba(232, 164, 53, 0.3);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    text-align: left;
    font-family: inherit;
}

.faq-question i {
    font-size: 12px;
    color: #6b7280;
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: #e8a435;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: #9ca3af;
    line-height: 1.8;
}

/* ===== Reviews ===== */
.reviews {
    background: linear-gradient(180deg, #1a1a2e 0%, #16162a 50%, #1a1a2e 100%);
}

.reviews-summary {
    text-align: center;
    margin-bottom: 48px;
}

.reviews-score {
    margin-bottom: 24px;
}

.score-number {
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, #e8a435, #f0b852);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    line-height: 1;
    margin-bottom: 8px;
}

.score-stars {
    color: #e8a435;
    font-size: 20px;
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.score-count {
    font-size: 14px;
    color: #6b7280;
}

.reviews-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.review-tag {
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    font-size: 13px;
    color: #9ca3af;
}

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

.review-card {
    padding: 28px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    transition: all 0.35s ease;
}

.review-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(232, 164, 53, 0.15);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.review-avatar {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    background: linear-gradient(135deg, #e8a435, #d4972f);
    color: #fff;
    flex-shrink: 0;
}

.review-avatar.avatar-purple {
    background: linear-gradient(135deg, #c47b2a, #a36522);
}

.review-avatar.avatar-cyan {
    background: linear-gradient(135deg, #d4972f, #b8831f);
}

.review-avatar.avatar-green {
    background: linear-gradient(135deg, #f0b852, #e8a435);
}

.review-meta {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.review-name {
    font-size: 15px;
    font-weight: 600;
}

.review-date {
    font-size: 12px;
    color: #6b7280;
}

.review-stars {
    color: #e8a435;
    font-size: 13px;
    display: flex;
    gap: 2px;
}

.review-card p {
    font-size: 14px;
    color: #9ca3af;
    line-height: 1.8;
}

/* ===== CTA Section ===== */
.cta-section {
    position: relative;
    padding: 100px 0;
    text-align: center;
    overflow: hidden;
}

.cta-bg-effects {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.2;
}

.cta-glow-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #e8a435, transparent 70%);
    top: -20%;
    left: 30%;
}

.cta-glow-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #c47b2a, transparent 70%);
    bottom: -20%;
    right: 30%;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 16px;
    color: #9ca3af;
    margin-bottom: 36px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Footer ===== */
.footer {
    padding: 60px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: #13132a;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.footer-logo img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.footer-desc {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.social-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: #9ca3af;
    font-size: 16px;
    transition: all 0.3s;
}

.social-icon:hover {
    background: rgba(232, 164, 53, 0.1);
    color: #e8a435;
    border-color: rgba(232, 164, 53, 0.2);
}

.footer-links-group h4 {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

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

.footer-links-group a {
    font-size: 14px;
    color: #6b7280;
    transition: color 0.3s;
}

.footer-links-group a:hover {
    color: #e8a435;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-copyright {
    font-size: 13px;
    color: #4b5563;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(232, 164, 53, 0.15);
    border: 1px solid rgba(232, 164, 53, 0.25);
    color: #e8a435;
    font-size: 16px;
    cursor: pointer;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: rgba(232, 164, 53, 0.25);
    border-color: #e8a435;
    transform: translateY(-2px);
}

/* ===== Inner Page Styles ===== */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(232, 164, 53, 0.15), transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}

.page-header h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
}

.page-header .page-subtitle {
    font-size: 16px;
    color: #9ca3af;
    position: relative;
}

.page-content {
    padding: 60px 0 100px;
}

.page-content .container {
    max-width: 900px;
}

.page-content .last-updated {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.page-content h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 48px 0 16px;
    color: #fff;
}

.page-content h2:first-of-type {
    margin-top: 0;
}

.page-content h3 {
    font-size: 17px;
    font-weight: 600;
    margin: 28px 0 12px;
    color: #d1d5db;
}

.page-content p {
    font-size: 15px;
    color: #9ca3af;
    line-height: 1.8;
    margin-bottom: 16px;
}

.page-content ul,
.page-content ol {
    margin: 12px 0 20px 20px;
}

.page-content li {
    font-size: 15px;
    color: #9ca3af;
    line-height: 1.8;
    margin-bottom: 6px;
    list-style: disc;
}

.page-content ol li {
    list-style: decimal;
}

.page-content a {
    color: #e8a435;
}

.page-content a:hover {
    color: #f0b852;
    text-decoration: underline;
}

.page-content strong {
    color: #d1d5db;
    font-weight: 600;
}

/* Inner page FAQ */
.page-faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-faq-list .faq-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.3s;
}

.page-faq-list .faq-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.page-faq-list .faq-item.active {
    border-color: rgba(232, 164, 53, 0.3);
}

/* Inner page guide TOC */
.guide-toc {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 24px 28px;
    margin-bottom: 48px;
}

.guide-toc h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 16px;
    color: #fff;
}

.guide-toc ul {
    margin: 0;
}

.guide-toc li {
    list-style: none;
    margin-bottom: 8px;
}

.guide-toc a {
    font-size: 14px;
    color: #e8a435;
}

.guide-toc a:hover {
    color: #f0b852;
}

/* Inner page cards */
.support-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 24px 0 40px;
}

.support-card {
    padding: 28px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    transition: all 0.3s;
}

.support-card:hover {
    border-color: rgba(232, 164, 53, 0.15);
    background: rgba(255, 255, 255, 0.04);
}

.support-card .card-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(232, 164, 53, 0.1);
    color: #e8a435;
    font-size: 18px;
    margin-bottom: 16px;
}

.support-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 8px;
}

.support-card p {
    font-size: 14px;
    color: #9ca3af;
    margin: 0;
}

/* Feedback form */
.feedback-form {
    margin-top: 24px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #d1d5db;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(232, 164, 53, 0.4);
}

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

.form-group select option {
    background: #1a1a2e;
}

.form-submit {
    padding: 12px 32px;
    background: linear-gradient(135deg, #d4972f, #e8a435);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 164, 53, 0.3);
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(26, 26, 46, 0.95);
        backdrop-filter: blur(20px);
        padding: 20px 24px;
        gap: 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

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

    .nav-btn {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        padding: 24px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .features-grid,
    .audience-grid,
    .news-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .footer-desc {
        max-width: 100%;
    }

    .footer-social {
        justify-content: center;
    }

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

    .back-to-top {
        bottom: 20px;
        right: 20px;
    }
}

    .article-nav {
        flex-direction: column;
        gap: 12px;
    }

    .article-nav a {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .section {
        padding: 60px 0;
    }

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

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

/* ===== Article Detail Page ===== */
.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    flex-wrap: wrap;
}

.article-meta .meta-tag {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    background: rgba(232, 164, 53, 0.1);
    color: #f0b852;
}

.article-meta .meta-date {
    font-size: 14px;
    color: #6b7280;
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-meta .meta-reading {
    font-size: 14px;
    color: #6b7280;
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-body {
    margin-bottom: 60px;
}

.article-body h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 40px 0 16px;
    color: #fff;
}

.article-body h2:first-child {
    margin-top: 0;
}

.article-body h3 {
    font-size: 17px;
    font-weight: 600;
    margin: 28px 0 12px;
    color: #d1d5db;
}

.article-body p {
    font-size: 15px;
    color: #9ca3af;
    line-height: 1.9;
    margin-bottom: 16px;
}

.article-body ul,
.article-body ol {
    margin: 12px 0 20px 20px;
}

.article-body li {
    font-size: 15px;
    color: #9ca3af;
    line-height: 1.9;
    margin-bottom: 8px;
    list-style: disc;
}

.article-body ol li {
    list-style: decimal;
}

.article-body blockquote {
    margin: 24px 0;
    padding: 16px 24px;
    background: rgba(232, 164, 53, 0.05);
    border-left: 3px solid #e8a435;
    border-radius: 0 8px 8px 0;
}

.article-body blockquote p {
    color: #d1d5db;
    margin: 0;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.article-nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    font-size: 14px;
    color: #9ca3af;
    transition: all 0.3s;
}

.article-nav a:hover {
    background: rgba(232, 164, 53, 0.08);
    border-color: rgba(232, 164, 53, 0.2);
    color: #e8a435;
}

.article-nav .nav-label {
    font-size: 12px;
    color: #6b7280;
    display: block;
}

.article-nav .nav-title {
    font-size: 14px;
    color: #d1d5db;
    display: block;
}

.article-nav .disabled {
    font-size: 14px;
    color: #6b7280;
    padding: 12px 20px;
}