/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}
body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #ffffff;
    background: #024053;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a {
    color: #107695;
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: #fe7816;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
ul, ol {
    list-style: none;
}
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}
button {
    font-family: inherit;
}

/* --- Layout --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Animations --- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== HEADER ==================== */
.header-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background: #004f67;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}
.logo img {
    width: 72px;
    height: 74px;
}
.logo-text {
    display: flex;
    flex-direction: column;
}
.logo-title {
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.2;
}
.logo-desc {
    font-size: 12px;
    color: #a4a4a4;
    line-height: 1.4;
}
.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav a {
    font-size: 15px;
    color: #419db9;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    white-space: nowrap;
}
.nav a:hover {
    color: #fe7816;
}
.nav-page-title {
    font-size: 18px;
    font-weight: 700;
    color: #61daff;
    margin: 0;
    white-space: nowrap;
}
.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: #fe7816;
    color: #ffffff;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}
.download-btn:hover {
    background: #FF8C33;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(254, 120, 22, 0.3);
}
.download-btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}
.download-btn .dl-text {
    display: inline;
}

/* --- Language Dropdown --- */
.lang-dropdown {
    position: relative;
    padding: 8px 14px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: #ccc;
    font-size: 13px;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    transition: border-color 0.2s ease;
}
.lang-dropdown:hover {
    border-color: #fe7816;
    color: #fe7816;
}
.lang-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 6px;
    background: #004f67;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    min-width: 140px;
    padding: 6px 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 1000;
}
.lang-dropdown:hover .lang-dropdown-menu {
    display: block;
}
.lang-dropdown-menu a {
    display: block;
    padding: 8px 16px;
    color: #ccc;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.15s ease;
}
.lang-dropdown-menu a:hover {
    background: rgba(254, 120, 22, 0.15);
    color: #fe7816;
}

/* --- H1 Page Title --- */
.page-title {
    font-size: 28px;
    font-weight: 700;
    color: #61daff;
    margin-bottom: 20px;
}

/* ==================== HERO AREA ==================== */
.section {
    padding: 50px 0;
}
.hero-area {
    position: relative;
    padding: 0px 0 40px;
    text-align: center;
    overflow: hidden;
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
            linear-gradient(rgba(16, 118, 149, 0.06) 1px, transparent 1px),
            linear-gradient(90deg, rgba(16, 118, 149, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}
.hero-orb--1 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(254, 120, 22, 0.3), transparent 70%);
    top: 10%; right: 10%;
    animation: float 8s ease-in-out infinite;
}
.hero-orb--2 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(16, 118, 149, 0.4), transparent 70%);
    bottom: 15%; left: 5%;
    animation: float 10s ease-in-out infinite reverse;
}
.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: rgba(254, 120, 22, 0.1);
    border: 1px solid rgba(254, 120, 22, 0.3);
    border-radius: 9999px;
    color: #fe7816;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
}
.hero-badge-dot {
    width: 6px; height: 6px;
    background: #fe7816;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}
.hero-title {
    font-size: 42px;
    font-weight: 700;
    color: #61daff;
    line-height: 1.3;
    margin-bottom: 16px;
}
.hero-title-accent {
    color: #fe7816;
}
.hero-subtitle {
    font-size: 16px;
    color: #419db9;
    margin-bottom: 32px;
    line-height: 1.6;
}
.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
}
.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 52px;
    padding: 0 28px;
    border: 3px solid #fe7816;
    border-radius: 10px;
    font-weight: 700;
    font-size: 17px;
    white-space: nowrap;
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}
.btn-cta svg { width: 20px; height: 20px; }
.hero-version-info {
    display: block;
    text-align: center;
    font-size: 11px;
    color: rgba(255,255,255,0.35);
    margin-top: 8px;
    letter-spacing: 0.5px;
}

.btn-cta-primary {
    background: #fe7816;
    color: #fff;
}
.btn-cta-primary:hover {
    background: #FF8C33;
    border-color: #FF8C33;
    color: #fff;
    box-shadow: 0 8px 24px rgba(254, 120, 22, 0.15);
    transform: translateY(-2px);
}

.btn-cta-primary {
    position: relative;
    overflow: hidden;
}
.btn-cta-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 40%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: skewX(-20deg);
    animation: btn-shimmer 3s ease-in-out infinite;
}
@keyframes btn-shimmer {
    0% { left: -60%; }
    100% { left: 120%; }
}

.btn-cta-outline {
    background: transparent;
    color: #fe7816;
}
.btn-cta-outline:hover {
    background: #fe7816;
    color: #fff;
    box-shadow: 0 8px 24px rgba(254, 120, 22, 0.15);
    transform: translateY(-2px);
}

.platform-icons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 18px;
}
.platform-icon {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    transition: color 0.2s;
}
.platform-icon:hover { color: rgba(255,255,255,0.8); }
.platform-icon svg {
    width: 18px;
    height: 18px;
    fill: rgba(255,255,255,0.45);
    transition: fill 0.2s;
}
.platform-icon:hover svg { fill: rgba(255,255,255,0.75); }

.hero-stats {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 16px;
}
.hero-stat {
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 20px 22px 16px;
    min-width: 140px;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    cursor: default;
}
.hero-stat:hover {
    transform: translateY(-4px);
    border-color: rgba(97, 218, 255, 0.35);
    box-shadow: 0 8px 28px rgba(97, 218, 255, 0.08);
}
.hero-stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    margin: 0 auto 10px;
    border-radius: 10px;
    background: rgba(97, 218, 255, 0.1);
}
.hero-stat-icon svg {
    width: 20px;
    height: 20px;
    stroke: #61daff;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.hero-stat-number {
    display: block;
    font-size: 26px;
    font-weight: 700;
    color: #61daff;
    line-height: 1.2;
}
.hero-stat-label {
    font-size: 12px;
    color: #999;
    margin-top: 4px;
    display: block;
}
.trust-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 24px;
    flex-wrap: wrap;
}
.trust-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 6px 14px;
}
.trust-badge svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}
.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    animation: float 3s ease-in-out infinite;
}
.scroll-indicator span { font-size: 12px; color: #999; }
.scroll-indicator svg { width: 18px; height: 18px; stroke: #999; }

/* ==================== SECTION COMMON ==================== */
.section-title {
    font-size: 28px;
    font-weight: 700;
    color: #61daff;
    text-align: center;
    margin-bottom: 12px;
}
.section-subtitle {
    font-size: 15px;
    color: #999;
    text-align: center;
    margin-bottom: 16px;
}
.section-divider {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #107695 0%, transparent 100%);
    margin-bottom: 36px;
}

/* ==================== GAME IMAGE MARQUEE ==================== */
.img-marquee {
    padding: 0 0 10px;
    overflow: hidden;
    position: relative;
}
.img-marquee::before,
.img-marquee::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}
.img-marquee::before {
    left: 0;
    background: linear-gradient(90deg, #024053 0%, transparent 100%);
}
.img-marquee::after {
    right: 0;
    background: linear-gradient(270deg, #024053 0%, transparent 100%);
}
.img-marquee-row {
    display: flex;
    gap: 14px;
    width: max-content;
}
.img-marquee-row--top {
    animation: marquee-left 55s linear infinite;
    margin-bottom: 14px;
}
.img-marquee-row--bottom {
    animation: marquee-right 65s linear infinite;
}
.img-marquee:hover .img-marquee-row {
    animation-play-state: paused;
}
.img-marquee-item {
    flex-shrink: 0;
    width: 235px;
    height: 110px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255,255,255,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    background: linear-gradient(110deg, #012B38 30%, #023a4a 50%, #012B38 70%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.8s ease-in-out infinite;
}
@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.img-marquee-item img.loaded + .img-marquee-label,
.img-marquee-item img.loaded {
    animation: none;
}
.img-marquee-item:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
    border-color: rgba(97, 218, 255, 0.3);
    z-index: 3;
}
.img-marquee-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.img-marquee-label {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 8px 10px 6px;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    font-size: 11px;
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.img-marquee-label .mod-count {
    font-size: 10px;
    color: #61daff;
    font-weight: 600;
}
@keyframes marquee-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
@keyframes marquee-right {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}
@media (max-width: 768px) {
    .img-marquee-item { width: 180px; height: 85px; }
    .img-marquee::before, .img-marquee::after { width: 50px; }
    .img-marquee-row--top { margin-bottom: 10px; }
}

/* ==================== FAQ ==================== */
.faq-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}
.faq-tab {
    padding: 8px 20px;
    border-radius: 20px;
    border: 1px solid rgba(65, 157, 185, 0.3);
    background: transparent;
    color: #999;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: inherit;
}
.faq-tab:hover {
    border-color: #fe7816;
    color: #fe7816;
}
.faq-tab.active {
    background: #fe7816;
    border-color: #fe7816;
    color: #fff;
}
.faq-category { display: none; }
.faq-category.active { display: block; }
.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background: #004f67;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid transparent;
    transition: border-color 0.2s ease;
}
.faq-item:hover {
    border-color: #007EA4;
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 22px;
    cursor: pointer;
    color: #e0e0e0;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s ease;
    user-select: none;
}
.faq-question:hover {
    color: #fe7816;
}
.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    stroke: #999;
}
.faq-item.open .faq-icon {
    transform: rotate(180deg);
}
.faq-item.open .faq-question {
    color: #fe7816;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 22px;
}
.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 22px 18px;
}
.faq-answer p {
    font-size: 14px;
    color: #999;
    line-height: 1.8;
    margin: 0;
}
.faq-more {
    text-align: center;
    margin-top: 36px;
}
.faq-more-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border: 1px solid rgba(97, 218, 255, 0.25);
    border-radius: 24px;
    color: #61daff;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}
.faq-more-link:hover {
    background: rgba(97, 218, 255, 0.08);
    border-color: rgba(97, 218, 255, 0.5);
    color: #fff;
}
.faq-more-link svg {
    transition: transform 0.3s ease;
}
.faq-more-link:hover svg {
    transform: translateX(4px);
}

/* ==================== CTA ==================== */
.cta-section {
    position: relative;
    padding: 60px 0;
    text-align: center;
}
.cta-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #004f67 0%, #012B38 50%, #004f67 100%);
    border-radius: 16px;
}
.cta-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(254, 120, 22, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(16, 118, 149, 0.15) 0%, transparent 50%);
}
.cta-content {
    position: relative;
    z-index: 1;
}
.cta-title {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}
.cta-desc {
    font-size: 16px;
    color: #419db9;
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

/* ==================== FOOTER ==================== */
.footer {
    background: #004f67;
    padding: 40px 0 30px;
    margin-top: 50px;
}
.footer-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.footer-logo img {
    width: 72px;
    height: 74px;
}
.footer-logo-text {
    display: flex;
    flex-direction: column;
}
.footer-logo-title {
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
}
.footer-logo-desc {
    font-size: 12px;
    color: #a4a4a4;
}
.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.footer-nav a {
    font-size: 14px;
    color: #419db9;
    text-decoration: none;
    transition: color 0.2s ease;
}
.footer-nav a:hover {
    color: #fe7816;
}
.footer-links {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-links p {
    font-size: 14px;
    color: #999;
}
.footer-links a {
    color: #419db9;
    text-decoration: none;
}
.footer-links a:hover {
    color: #fe7816;
}
.footer-copyright {
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-copyright p {
    font-size: 13px;
    color: #999;
}
.footer-copyright a {
    color: #419db9;
    text-decoration: none;
}
.footer-copyright a:hover {
    color: #fe7816;
}

/* ==================== MOBILE STICKY BAR ==================== */
.mobile-sticky-bar {
    display: none;
}
@media (max-width: 768px) {
    .mobile-sticky-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0; right: 0;
        z-index: 999;
        background: rgba(0, 79, 103, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid rgba(97, 218, 255, 0.15);
        padding: 10px 16px;
        align-items: center;
        justify-content: space-between;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    }
    .sticky-bar-info {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .sticky-bar-info img {
        width: 28px;
        height: 28px;
        border-radius: 6px;
    }
    .sticky-bar-text {
        font-size: 12px;
        color: #ccc;
    }
    .sticky-bar-text strong {
        display: block;
        color: #fff;
        font-size: 13px;
    }
    .sticky-bar-rating {
        color: rgba(97,218,255,0.7);
        font-size: 10px;
    }
    .sticky-bar-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 20px;
        background: #fe7816;
        color: #fff;
        border-radius: 8px;
        text-decoration: none;
        font-size: 14px;
        font-weight: 600;
        transition: background 0.2s;
    }
    .sticky-bar-btn:hover { background: #FF8C33; }
}

/* ==================== DOWNLOAD PRELOADER ==================== */
.dl-preloader {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 10000;
    background: rgba(1, 43, 56, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
}
.dl-preloader.active { display: flex; }
.dl-preloader-logo {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: linear-gradient(135deg, #fe7816, #FF6C00);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: dl-pulse 1.5s ease-in-out infinite;
}
.dl-preloader-logo svg {
    width: 32px;
    height: 32px;
    stroke: #fff;
    fill: none;
    stroke-width: 2;
}
@keyframes dl-pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(254,120,22,0.4); }
    50% { transform: scale(1.05); box-shadow: 0 0 30px 10px rgba(254,120,22,0.15); }
}
.dl-preloader-steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.dl-preloader-step {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    transition: color 0.3s, opacity 0.3s;
    opacity: 0;
    transform: translateY(8px);
    animation: dl-step-in 0.4s ease forwards;
}
.dl-preloader-step.active {
    color: #61daff;
}
.dl-preloader-step.done {
    color: rgba(255,255,255,0.35);
}
@keyframes dl-step-in {
    to { opacity: 1; transform: translateY(0); }
}
.dl-preloader-bar {
    width: 200px;
    height: 3px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 8px;
}
.dl-preloader-bar-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #fe7816, #61daff);
    border-radius: 2px;
    transition: width 0.5s ease;
}

/* ==================== BACK TO TOP ==================== */
.back-top {
    position: fixed;
    right: 30px;
    bottom: 40px;
    width: 48px;
    height: 48px;
    background: #fe7816;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    visibility: hidden;
    z-index: 998;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}
.back-top:hover {
    background: #FF8C33;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}
.back-top svg {
    width: 60%;
    height: 60%;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1200px) {
    .hero-title { font-size: 36px; }
    .download-btn .dl-text { display: none; }
}
@media (max-width: 992px) {
    .nav { gap: 20px; }
}
@media (max-width: 768px) {
    main { padding-top: 120px; }
    .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding-top: 12px;
        padding-bottom: 12px;
        gap: 10px;
    }
    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 16px;
        padding-bottom: 4px;
    }
    .nav a { font-size: 13px; }
    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 14px; }
    .hero-actions { flex-direction: column; }
    .hero-stats { gap: 10px; flex-wrap: wrap; }
    .hero-stat { min-width: 120px; padding: 14px 12px 12px; }
    .hero-stat-number { font-size: 20px; }
    .hero-stat-icon { width: 28px; height: 28px; margin-bottom: 6px; }
    .hero-stat-icon svg { width: 16px; height: 16px; }
    .section { padding: 36px 0; }
    .section-title { font-size: 22px; }
    .faq-grid { grid-template-columns: 1fr; }
    .cta-title { font-size: 24px; }
    .cta-actions { flex-direction: column; }
    .scroll-indicator { display: none; }
    .footer-top { flex-direction: column; align-items: center; text-align: center; }
    .footer-nav { justify-content: center; }
    .footer-copyright { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
    .logo img { width: 48px; height: 50px; }
    .logo-title { font-size: 18px; }
    .btn-cta { height: 46px; padding: 0 20px; font-size: 15px; }
    .page-title { font-size: 22px; }
}