@charset "UTF-8";
:root {
    --color-primary: #FF6B35;
    --color-primary-dark: #E55A2B;
    --color-primary-light: #FF8A5C;
    --color-primary-bg: #FFF5F0;
    --color-primary-border: #FFD4C2;
    --color-text: #2D2D2D;
    --color-text-secondary: #666666;
    --color-text-light: #999999;
    --color-bg: #FFFFFF;
    --color-bg-gray: #FAFAFA;
    --color-divider: #F0F0F0;
    --color-success: #3DDC84;
    --color-warning: #FFB800;
    --color-error: #FF5252;
    --max-width: 1200px;
    --nav-height: 72px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
    --shadow-hover: 0 6px 24px rgba(255,107,53,0.15);
    --transition: 0.2s ease;
}
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
                 Helvetica, Arial, sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-width: 320px;
    overflow-x: hidden;
}
a {
    text-decoration: none;
    color: inherit;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    outline: none;
}
a:active,
a:focus,
a:hover {
    -webkit-tap-highlight-color: transparent;
    background-color: transparent;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
ul, ol {
    list-style: none;
}
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-divider);
    transition: box-shadow var(--transition);
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: transform;
}
.header--scrolled {
    box-shadow: var(--shadow-md);
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.header__logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    transition: opacity var(--transition);
}
.header__logo a:hover {
    opacity: 0.85;
}
.header__logo img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
}
.header__nav {
    display: block;
}
.header__nav ul {
    display: flex;
    align-items: center;
    gap: 8px;
}
.header__nav ul li a {
    display: block;
    padding: 8px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}
.header__nav ul li a:hover {
    color: var(--color-primary);
    background: var(--color-primary-bg);
}
.header__menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
    -webkit-tap-highlight-color: transparent;
}
.header__menu-btn:hover {
    background: var(--color-primary-bg);
}
.header__menu-btn i {
    display: block;
    width: 24px;
    height: 24px;
    background: url('../icon/menu.svg') center/contain no-repeat;
}
.header__menu-btn.is-active i {
    background-image: url('../icon/close.svg');
}
.hero {
    padding: calc(var(--nav-height) + 60px) 0 80px;
    background: url('../images/hero-bg.svg') center/cover no-repeat;
    background-color: var(--color-primary-bg);
}
.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}
.hero__content {
    flex: 1;
    max-width: 520px;
}
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-primary-border);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 24px;
}
.hero__badge i {
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url('../icon/star.svg') center/contain no-repeat;
}
.hero__title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.25;
    color: var(--color-text);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.hero__title span {
    color: var(--color-primary);
}
.hero__desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 460px;
}
.hero__actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}
.btn--primary {
    background: var(--color-primary);
    color: #fff;
}
.btn--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}
.btn--primary:active {
    transform: translateY(0);
}
.btn--outline {
    background: var(--color-bg);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.btn--outline:hover {
    background: var(--color-primary-bg);
    transform: translateY(-1px);
}
.btn--outline:active {
    transform: translateY(0);
}
.btn img {
    display: inline-block;
    width: 20px;
    height: 20px;
    vertical-align: middle;
}
.hero__image {
    flex-shrink: 0;
}
.hero__image img {
    width: 280px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(255,107,53,0.2));
}
.section {
    padding: 80px 0;
}
.section--gray {
    background: var(--color-bg-gray);
}
.section__header {
    text-align: center;
    margin-bottom: 56px;
}
.section__label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}
.section__label i {
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url('../icon/star.svg') center/contain no-repeat;
}
.section__title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.02em;
}
.section__desc {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 12px auto 0;
    line-height: 1.7;
}
.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid var(--color-divider);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.feature-card:hover {
    border-color: var(--color-primary-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.feature-card:hover::before {
    transform: scaleX(1);
}
.feature-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.feature-card__icon i {
    display: block;
    width: 28px;
    height: 28px;
}
.feature-card__icon--orange {
    background: var(--color-primary-bg);
}
.feature-card__icon--orange i {
    background: url('../icon/book.svg') center/contain no-repeat;
}
.feature-card__icon--blue {
    background: #EBF5FF;
}
.feature-card__icon--blue i {
    background: url('../icon/cloud.svg') center/contain no-repeat;
}
.feature-card__icon--green {
    background: #E8F8EF;
}
.feature-card__icon--green i {
    background: url('../icon/shield.svg') center/contain no-repeat;
}
.feature-card__icon--red {
    background: #FFF0F0;
}
.feature-card__icon--red i {
    background: url('../icon/heart.svg') center/contain no-repeat;
}
.feature-card__icon--purple {
    background: #F5F0FF;
}
.feature-card__icon--purple i {
    background: url('../icon/phone.svg') center/contain no-repeat;
}
.feature-card__icon--teal {
    background: #E8F8F5;
}
.feature-card__icon--teal i {
    background: url('../icon/book.svg') center/contain no-repeat;
}
.feature-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}
.feature-card__desc {
    font-size: 0.93rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}
.showcase {
    display: flex;
    align-items: center;
    gap: 80px;
}
.showcase--reverse {
    flex-direction: row-reverse;
}
.showcase__image {
    flex-shrink: 0;
    width: 340px;
}
.showcase__image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}
.showcase__content {
    flex: 1;
}
.showcase__content .section__title {
    text-align: left;
    margin-bottom: 20px;
}
.showcase__list {
    margin-top: 28px;
}
.showcase__list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-divider);
}
.showcase__list li:last-child {
    border-bottom: none;
}
.showcase__list li i {
    flex-shrink: 0;
    display: block;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    background: url('../icon/star.svg') center/contain no-repeat;
}
.showcase__list li span {
    font-size: 0.98rem;
    color: var(--color-text);
    line-height: 1.6;
}
.showcase__list li span strong {
    color: var(--color-primary);
    font-weight: 600;
}
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-divider);
    transition: all var(--transition);
}
.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.stat-card__number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 8px;
}
.stat-card__unit {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-left: 2px;
}
.stat-card__label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}
.download {
    background: linear-gradient(135deg, #FFF5F0 0%, #FFE8E0 100%);
    text-align: center;
}
.download__cards {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 40px;
    flex-wrap: wrap;
}
.download-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    padding: 40px 48px;
    min-width: 240px;
    border: 2px solid transparent;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
}
.download-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.download-card:active {
    transform: translateY(-1px);
}
.download-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.download-card__icon img {
    display: block;
    width: 52px;
    height: 52px;
}
.download-card__name {
    font-size: 1.1rem;
    font-weight: 700;
}
.download-card__desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}
.download-card__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 44px;
    padding: 0 28px;
    border-radius: 100px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: var(--color-primary);
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
    outline: none;
    user-select: none;
}
.download-card__btn:hover {
    background: var(--color-primary-dark);
    transform: scale(1.03);
}
.download-card__btn:active {
    transform: scale(0.98);
    background: var(--color-primary-dark);
}
.download-card__btn i {
    display: inline-block;
    width: 18px;
    height: 18px;
    background: url('../icon/arrow-right.svg') center/contain no-repeat;
    filter: brightness(0) invert(1);
}
.screenshots__scroll {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 20px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: auto;
    scrollbar-color: #FF6B35 #F0F0F0;
}
.screenshots__scroll::-webkit-scrollbar {
    height: 10px;
}
.screenshots__scroll::-webkit-scrollbar-track {
    background: #F0F0F0;
    border-radius: 5px;
    margin: 0 4px;
}
.screenshots__scroll::-webkit-scrollbar-thumb {
    background: #FF6B35;
    border-radius: 5px;
    min-width: 60px;
}
.screenshots__scroll::-webkit-scrollbar-thumb:hover {
    background: #E55A2B;
}
.screenshots__track {
    display: flex;
    gap: 20px;
    padding: 4px 0;
    min-width: max-content;
}
.screenshot-card {
    flex-shrink: 0;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    width: 280px;
    aspect-ratio: 9/16;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
}
.screenshot-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}
.screenshot-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.screenshot-card__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition);
}
.screenshot-card:hover .screenshot-card__overlay {
    opacity: 1;
}
.screenshot-card__overlay span {
    display: block;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 500;
}
.footer {
    background: #2D2D2D;
    color: rgba(255,255,255,0.7);
    padding: 48px 0 32px;
}
.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}
.footer__brand img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}
.footer__brand span {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}
.footer__intro {
    font-size: 0.9rem;
    line-height: 1.8;
    max-width: 320px;
}
.footer__title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}
.footer__links li {
    margin-bottom: 10px;
}
.footer__links li a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
}
.footer__links li a:hover {
    color: var(--color-primary-light);
}
.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
}
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}
.mobile-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}
@media (max-width: 1024px) {
    .hero__title {
        font-size: 2.4rem;
    }
    .hero .container {
        gap: 40px;
    }
    .hero__image img {
        width: 220px;
    }
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .screenshot-card {
        width: 180px;
    }
    .showcase {
        gap: 40px;
    }
    .showcase__image {
        width: 260px;
    }
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
    .section__title {
        font-size: 1.9rem;
    }
}
@media (max-width: 768px) {
    :root {
        --nav-height: 60px;
    }
    .container {
        padding: 0 20px;
    }
    .header {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(255, 255, 255, 0.98);
    }
    .header__menu-btn {
        display: flex;
    }
    .header__nav {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        height: calc(100dvh - var(--nav-height));
        background: var(--color-bg);
        padding: 30px;
        z-index: 1001;
        overflow-y: auto;
    }
    .header__nav.is-open {
        display: block;
    }
    .header__nav ul {
        flex-direction: column;
        gap: 4px;
    }
    .header__nav ul li {
        width: 100%;
    }
    .header__nav ul li a {
        display: block;
        padding: 16px 20px;
        font-size: 1.1rem;
        color: var(--color-text);
        border-radius: var(--radius-sm);
        text-align: center;
    }
    .header__nav ul li a:hover {
        background: var(--color-primary-bg);
    }
    .mobile-overlay {
        display: block;
        pointer-events: none;
    }
    .mobile-overlay.is-visible {
        pointer-events: auto;
    }
    .hero {
        padding: calc(var(--nav-height) + 40px) 0 50px;
        text-align: center;
    }
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    .hero__content {
        max-width: 100%;
        order: 2;
    }
    .hero__title {
        font-size: 2rem;
    }
    .hero__desc {
        margin: 0 auto 28px;
    }
    .hero__actions {
        justify-content: center;
    }
    .hero__image {
        order: 1;
    }
    .hero__image img {
        width: 180px;
        margin: 0 auto;
    }
    .features__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .screenshot-card {
        width: 160px;
    }
    .feature-card {
        padding: 28px 22px;
    }
    .showcase,
    .showcase--reverse {
        flex-direction: column;
        text-align: center;
        gap: 32px;
    }
    .showcase__image {
        width: 220px;
        margin: 0 auto;
    }
    .showcase__content .section__title {
        text-align: center;
    }
    .showcase__list li {
        text-align: left;
    }
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .stat-card {
        padding: 28px 16px;
    }
    .stat-card__number {
        font-size: 2rem;
    }
    .download__cards {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .download-card {
        min-width: 0;
        width: 100%;
        max-width: 320px;
        padding: 32px 28px;
    }
    .section {
        padding: 56px 0;
    }
    .section__header {
        margin-bottom: 36px;
    }
    .section__title {
        font-size: 1.65rem;
    }
    .section__desc {
        font-size: 0.95rem;
    }
    .footer {
        padding: 40px 0 28px;
    }
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .footer__grid > div:first-child {
        grid-column: 1 / -1;
    }
    .footer__intro {
        max-width: 100%;
    }
}
@media (max-width: 480px) {
    .hero__title {
        font-size: 1.7rem;
    }
    .hero__desc {
        font-size: 0.95rem;
    }
    .hero__image img {
        width: 150px;
    }
    .btn {
        height: 44px;
        padding: 0 22px;
        font-size: 0.93rem;
    }
    .hero__actions {
        flex-direction: column;
        gap: 12px;
    }
    .hero__actions .btn {
        width: 100%;
    }
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .stat-card {
        padding: 24px 12px;
    }
    .stat-card__number {
        font-size: 1.7rem;
    }
    .stat-card__label {
        font-size: 0.82rem;
    }
    .section__title {
        font-size: 1.45rem;
    }
    .feature-card {
        padding: 22px 18px;
    }
    .screenshot-card {
        width: 140px;
    }
}