*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

ul li {
    list-style: none;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

a {
    color: #283593
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

img,
video,
canvas {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

svg:not([fill]) {
    fill: currentColor;
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: inherit;
    margin: 0;
}

button {
    cursor: pointer;
    background: none;
    border: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

table tr {
    line-height: 40px
}

[lang|="hi"],
[lang|="ta"],
[lang|="te"] {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.8;
}

:root {
    --color-primary-500: #1a237e;
    /* 主品牌蓝 */
    --color-accent-500: #4CAF50;
    /* 强调绿色 */
    --color-danger-500: #EF4444;
    /* 错误红色 */
    --color-warning-500: #F59E0B;
    /* 警告黄色 */
    --color-gray-900: #1F2937;
    --color-gray-700: #4B5563;
    --color-gray-500: #9CA3AF;
    --color-gray-100: #F9FAFB;
    --space-unit: 0.25rem;
    --space-1: calc(1 * var(--space-unit));
    /* 0.25rem */
    --space-4: calc(4 * var(--space-unit));
    /* 1rem */
    --space-8: calc(8 * var(--space-unit));
    /* 2rem */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 16px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

h1,
.text-4xl {
    font-size: 2.25rem;
    /* 36px */
    line-height: 1.2;
    font-weight: 600;
}

h2,
.text-3xl {
    font-size: 1.875rem;
    /* 30px */
    line-height: 1.25;
}

p {
    display: block;
    line-height: 1.6;
    margin-bottom: var(--space-1);
}

p strong {
    color: #e11209;
}

p a {
    color: #e11209;
    font-weight: bold
}

ol {
    padding: 0 30px
}

.currency {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    letter-spacing: -0.025em;
}

.container {
    width: 100%;
    margin-inline: auto;
    padding-inline: var(--space-4);
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
        padding-inline: var(--space-8);
    }
}

.grid {
    display: grid;
    gap: var(--space-4);
}

.button {
    display: inline-flex;
    align-items: center;
    padding: var(--space-4) var(--space-8);
    border-radius: 0.375rem;
    font-weight: 500;
    transition: transform 0.2s var(--ease-in-out);
}

.button:active {
    transform: scale(0.98);
}

@media (pointer: coarse) {
    .button {
        min-width: 48px;
        min-height: 48px;
    }
}

.text-center {
    text-align: center;
}

.uppercase {
    letter-spacing: 0.05em;
}

@keyframes pulse {
    50% {
        opacity: 0.5;
    }
}

.loading-pulse {
    animation: pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

:root {
    --color-primary: #1a237e;
    --color-accent: #4caf50;
    --transition-fast: 0.2s ease-in-out;
}

img {
    content-visibility: auto;
    loading: lazy;
    max-width: 100%;
    height: auto;
}

@media (preload) {
    .download-btn,
    .logo {
        background-image: none !important;
    }
}

.download-btn {
    position: relative;
    overflow: hidden;
    transform: translateZ(0);
}

@media (pointer: coarse) {
    .download-btn {
        min-height: 48px;
        padding: 1.2rem 2rem;
    }
    .feature-card {
        padding: 1.5rem 1rem;
    }
}

@viewport {
    width: device-width;
    zoom: 1.0;
    max-zoom: 1.0;
    min-zoom: 1.0;
}

.section--bonuses {
    background: linear-gradient(to right, #f8f9fa 50%, #fff 50%);
}

.section__header {
    font-size: clamp(1.5rem, 5vw, 2rem);
}

.section__list-item {
    position: relative;
    padding-left: 1.5rem;
}

.section__list-item::before {
    content: "•";
    color: var(--color-accent);
    position: absolute;
    left: 0;
}

.download-btn::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%) rotate(45deg);
    transition: transform var(--transition-fast);
}

.download-btn:hover::after {
    transform: translateX(100%) rotate(45deg);
}

.skeleton {
    animation: skeleton-loading 1.5s infinite linear;
    background: #eee;
    background-image: linear-gradient( 90deg, #eee 25%, #fff 50%, #eee 75%);
    background-size: 200% 100%;
}

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

body {
    background: #f5f5f5;
    line-height: 1.6;
    color: #333;
}

/* Header */

.header {
    background: #1a237e;
    padding: 1rem;
    text-align: center;
}

.logo-link {
    color: #ffd400;
    text-decoration: none;
    padding: 1rem;
    font-size: 24px;
    font-weight: bold;
    z-index: 1001;
}

/* 新增导航样式 */

.header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1a237e;
    padding-inline: clamp(1rem, 27vw, 27%);
}

.nav-links {
    display: flex;
    gap: 2rem;
    z-index: 9999;
}

.nav-item {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
    padding: 0 5px;
}

.nav-item:hover {
    opacity: 0.8;
}

.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    width: 25px;
    height: 3px;
    background: white;
    margin: 5px 0;
    transition: 0.4s;
}

/* ≥ 2560px */

@media (min-width: 2560px) {
    .header {
        padding-inline: clamp(1rem, 27vw, 27%);
    }
}

/* 2401 - 2559px */

@media (min-width: 2401px) and (max-width: 2559px) {
    .header {
        padding-inline: clamp(1rem, 25vw, 25%);
    }
}

/* 2241 - 2400px */

@media (min-width: 2241px) and (max-width: 2400px) {
    .header {
        padding-inline: clamp(1rem, 23vw, 23%);
    }
}

/* 2081 - 2240px */

@media (min-width: 2081px) and (max-width: 2240px) {
    .header {
        padding-inline: clamp(1rem, 21vw, 21%);
    }
}

/* 1921 - 2080px */

@media (min-width: 1921px) and (max-width: 2080px) {
    .header {
        padding-inline: clamp(1rem, 19vw, 19%);
    }
}

/* 1761 - 1920px */

@media (min-width: 1761px) and (max-width: 1920px) {
    .header {
        padding-inline: clamp(1rem, 17vw, 17%);
    }
}

/* 1601 - 1760px */

@media (min-width: 1601px) and (max-width: 1760px) {
    .header {
        padding-inline: clamp(1rem, 15vw, 15%);
    }
}

/* 1521 - 1600px */

@media (min-width: 1521px) and (max-width: 1600px) {
    .header {
        padding-inline: clamp(1rem, 13vw, 13%);
    }
}

/* 1441 - 1520px */

@media (min-width: 1441px) and (max-width: 1520px) {
    .header {
        padding-inline: clamp(1rem, 11vw, 11%);
    }
}

/* 1367 - 1440px */

@media (min-width: 1367px) and (max-width: 1440px) {
    .header {
        padding-inline: clamp(1rem, 9vw, 9%);
    }
}

/* 1321 - 1366px */

@media (min-width: 1321px) and (max-width: 1366px) {
    .header {
        padding-inline: clamp(1rem, 7vw, 7%);
    }
}

/* 1281 - 1320px */

@media (min-width: 1281px) and (max-width: 1320px) {
    .header {
        padding-inline: clamp(1rem, 5vw, 5%);
    }
}

@media (max-width:1280px) {
    .header {
        padding: 10px 5%;
    }
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 60%;
        background: #1a237e;
        flex-direction: column;
        padding: 80px 2rem;
        transition: 0.3s;
        z-index: 1000;
    }
    .hamburger {
        display: block;
    }
    .hamburger.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    .nav-links.active {
        right: 0;
        transform: translateX(0);
    }
}

.logo {
    width: 50px;
    height: 50px;
}

/* Main Content */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    min-height: 807px;
}

.section {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    margin: 1rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #fff;
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

h2 {
    color: #283593;
    font-size: 1.8rem;
    margin: 1.2rem 0;
    border-bottom: 2px solid #ddd;
    padding-bottom: 0.5rem;
    text-align: center;
}

/* Download CTA */

.download-cta {
    text-align: center;
    background: linear-gradient(135deg, #304ffe 0%, #1a237e 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
}

.download-btn {
    background: #4caf50;
    color: white;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    margin: 1rem 0;
    transition: transform 0.3s;
}

.download-btn:hover {
    transform: translateY(-2px);
}

/* Features Grid */

.features {
    display: grid;
    /*grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));*/
    gap: .5rem;
    margin-top: 1.5rem;
}

.feature-card {
    text-align: center;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}

/* User Reviews */

.review-card {
    background: #fff;
    padding: 0.5rem 1.5rem;
    margin: 0.5rem 0;
    border-left: 4px solid #304ffe;
}

.rating {
    color: #ffc107;
    font-size: 1.1rem;
    margin: 0.5rem 0;
}

/* Footer */

.footer {
    background: #1a237e;
    color: white;
    padding: 2rem;
    text-align: center;
    /*margin-top: 2rem;*/
}

.footer a {
    color: #fff
}

.disclaimer {
    background: #ffebee;
    color: #b71c1c;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 8px;
}

/* Responsive */

@media (max-width: 768px) {
    h1 {
        font-size: 1.8rem;
    }
    .download-btn {
        width: 100%;
    }
    .download-cta p:first-of-type {
        display: none
    }
}

/* FAQ 样式 */

.faq-list {
    margin-top: 1.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
}

.faq-item {
    border-bottom: 1px solid #eee;
    transition: background 0.3s;
}

.faq-item[open] {
    background: #f8f9fa;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question span {
    color: #1a237e;
}

.arrow {
    width: 24px;
    height: 24px;
    fill: #4caf50;
    transition: transform 0.3s;
}

details[open] .arrow {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1rem 1rem;
    color: #616161;
}

.faq-answer ol,
.faq-answer ul {
    padding-left: 1.5rem;
    margin: 0.5rem 0;
}

@media (hover: hover) {
    .faq-item:hover:not([open]) {
        background: #f5f5f5;
    }
}

/* 添加至现有style区块 */

.contact-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    fill: #4CAF50;
}

.contact-title {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-detail {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.contact-detail a {
    color: #4CAF50;
    text-decoration: none;
    transition: opacity 0.3s;
}

.contact-detail a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/*APP list CSS*/

.app-list {
    max-width: 1200px;
    margin: 2rem auto;
}

.app-item {
    display: flex;
    gap: 1rem;
    background: #fff;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.app-item:hover {
    transform: translateY(-3px);
}

.app-rank {
    width: 35px;
    height: 35px;
    background: #1a237e;
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
}

.app-main {
    flex: 1;
    min-width: 0;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.app-logo {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    object-fit: contain;
}

.app-title {
    color: #1a237e;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.app-meta {
    display: flex;
    gap: 1rem;
    color: #616161;
}

.bonus {
    color: #f55100;
    font-weight: 500;
    font-size: 16px;
}

.downloads {
    color: #1a237e;
    font-size: 16px
}

.app-details {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.withdrawal {
    background: #f5f5f5;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    display: flex;
    gap: 0.5rem;
}

.withdrawal .label {
    color: #757575;
    font-size: 16px;
}

.withdrawal .value {
    color: #0b9511;
    font-weight: 600;
    font-size: 16px;
}

.app-desc {
    color: #616161;
    margin: 0;
    font-size: 16px;
}

.app-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1rem;
    min-width: 160px;
}

.download-btn {
    background: #0b9511;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    text-align: center;
    transition: background 0.3s;
}

.download-btn:hover {
    background: #45a049;
}

.file-size {
    display: block;
    font-size: 0.8em;
    opacity: 0.9;
    margin-top: 0.3rem;
}

.rating {
    color: #ffc107;
    font-size: 0.95rem;
    text-align: right;
}

@media (max-width: 768px) {
    .app-item {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    .app-header {
        flex-direction: column;
        align-items: flex-start;
        text-align: center;
        display: block;
    }
    .app-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        text-align: center;
        display: block;
    }
    .app-actions {
        width: 100%;
        align-items: stretch;
    }
    .download-btn {
        width: 100%;
    }
    .rating {
        text-align: center;
    }
    .withdrawal {
        display: block
    }
}

@media (max-width: 480px) {
    .app-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    .app-desc {
        font-size: 0.9rem;
    }
}