/* ============ 手机模型 ============ */
.phonePreview {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInUp 0.7s ease-out 0.2s both, phoneFloat 6s ease-in-out 1s infinite;
    position: relative;
}
@keyframes phoneFloat {
    0%,
    100% {
        transform: translateY(0);
    }
    20% {
        transform: translateY(-12px);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-16px);
    }
    80% {
        transform: translateY(-7px);
    }
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(26px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.phone-device {
    width: 278px;
    height: 570px;
    align-items: center;
    background: #1a1a1e;
    border-radius: 38px;
    padding: 11px;
    box-shadow: var(--phone-shadow);
    position: relative;
    z-index: 1;
}
.phone-screen {
    width: 100%;
    height: 100%;
    align-items: center;
    background: #fafafa;
    border-radius: 28px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.phone-notch {
    top: 15px;
    align-items: center;
    width: 26px;
    height: 26px;
    background: #1a1a1e;
    border-radius: 18px;
    margin: 7px auto 0;
    flex-shrink: 0;
}
.phone-home-bar {
    bottom: 15px;
    align-items: center;
    width: 45px;
    height: 5px;
    background: #1a1a1e;
    border-radius: 3px;
    margin: 0 auto 9px;
    flex-shrink: 0;
}
.phone-content {
    flex: 1;
    padding: 0px 0px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: hidden;
}
/* 模拟景区图片 */
.phone-hero-img {
    width: 100%;
    height: 130px;
    border-radius: 16px;
    background: linear-gradient(160deg, #8ec5b8 0%, #5daa96 30%, #3d8b74 60%, #2d705c 100%);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}
.phone-hero-img::before {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.13);
    border-radius: 50%;
    top: -15px;
    right: 25px;
}
.phone-hero-img::after {
    content: '';
    position: absolute;
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    bottom: 20px;
    left: 30px;
}
.phone-hero-img .mountain {
    position: absolute;
    bottom: 0;
    left: 15px;
    width: 0;
    height: 0;
    border-left: 45px solid transparent;
    border-right: 45px solid transparent;
    border-bottom: 55px solid rgba(255, 255, 255, 0.2);
}
.phone-hero-img .mountain2 {
    position: absolute;
    bottom: 0;
    right: 20px;
    width: 0;
    height: 0;
    border-left: 35px solid transparent;
    border-right: 35px solid transparent;
    border-bottom: 40px solid rgba(255, 255, 255, 0.15);
}
.phone-badge-row {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
}
.phone-badge-tag {
    font-size: 0.58rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    background: #e8f5f0;
    color: #2d8c72;
}
.phone-title {
    font-weight: 700;
    font-size: 0.88rem;
    color: #1c1c1e;
    letter-spacing: -0.2px;
    flex-shrink: 0;
}
.phone-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.68rem;
    color: #f07b3f;
    flex-shrink: 0;
}
.phone-rating span {
    color: #8e8e95;
}
/* 地图预览区 */
.phone-map {
    flex: 1;
    background: #eef1ef;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    min-height: 100px;
}
.phone-map-path {
    position: absolute;
    top: 25%;
    left: 18%;
    width: 55%;
    height: 35%;
    border: 2px dashed #3dab8e;
    border-radius: 50%;
    opacity: 0.6;
}
.phone-map-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #f07b3f;
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(240, 123, 63, 0.5);
}
.phone-map-dot.d1 {
    top: 30%;
    left: 35%;
}
.phone-map-dot.d2 {
    top: 48%;
    left: 55%;
}
.phone-map-dot.d3 {
    top: 38%;
    left: 62%;
}
.phone-map-pin {
    position: absolute;
    width: 14px;
    height: 14px;
    background: #e74c3c;
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    top: 42%;
    left: 50%;
    box-shadow: 0 2px 6px rgba(231, 76, 60, 0.4);
}
.phone-map-label {
    position: absolute;
    font-size: 0.55rem;
    color: #5c5c63;
    font-weight: 600;
    background: #fff;
    padding: 2px 6px;
    border-radius: 3px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    white-space: nowrap;
}
.phone-map-label.l1 {
    top: 18%;
    left: 28%;
}
.phone-map-label.l2 {
    top: 52%;
    left: 58%;
}
.phone-bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 6px 0 2px;
    flex-shrink: 0;
    border-top: 1px solid #eee;
    gap: 2px;
}
.phone-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 0.55rem;
    color: #8e8e95;
}
.phone-nav-item.active {
    color: #2d8c72;
}
.phone-nav-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #ccc;
}
.phone-nav-item.active .phone-nav-dot {
    background: #2d8c72;
}

.phone-decor-ring {
    position: absolute;
    width: 340px;
    height: 340px;
    border: 1.5px dashed rgba(45, 140, 114, 0.1);
    border-radius: 50%;
    z-index: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: spinSlow 28s linear infinite;
}
@keyframes spinSlow {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ============ 功能介绍 ============ */
.features {
    padding: 90px 28px;
    background: var(--bg-secondary);
    position: relative;
}
.section-header {
    text-align: center;
    margin-bottom: 50px;
}
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.section-title {
    font-size: clamp(1.7rem, 2.8vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -0.7px;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 440px;
    margin: 0 auto;
}
.features-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.contacts-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
}
.feature-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 30px 22px;
    box-shadow: var(--card-shadow);
    transition: all var(--transition);
    border: 1px solid transparent;
    text-align: center;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: #e4e8e6;
}
.feature-contact {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 10px 10px;
    box-shadow: var(--card-shadow);
    transition: all var(--transition);
    border: 1px solid transparent;
    text-align: center;
}
.feature-contact:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: #e4e8e6;
}
.feature-contact h3 {
        font-size: 0.9rem;
}

.feature-icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 1.5rem;
}
.feature-icon-circle.c1 {
    background: #e8f5f0;
    color: #2d8c72;
}
.feature-icon-circle.c2 {
    background: #fff4ed;
    color: #f07b3f;
}
.feature-icon-circle.c3 {
    background: #eef4ff;
    color: #4a7de0;
}
.feature-icon-circle.c4 {
    background: #fef9e7;
    color: #e0a830;
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.feature-card p {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
/* ============ faq ============ */
.faq {
    padding: 90px 28px;
    background: var(--bg-faq);
    position: relative;
}
.contact {
    padding: 90px 28px;
    background: var(--bg-contact);
    position: relative;
}
/* ============ 下载区域 ============ */
.download {
    padding: 90px 28px;
    background: var(--bg);
    position: relative;
    overflow: hidden;
}
.download::before {
    content: '';
    position: absolute;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(45, 140, 114, 0.04) 0%, transparent 70%);
    top: -8%;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}
.download-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.download-content h2 {
    font-size: clamp(1.7rem, 2.8vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -0.7px;
    margin-bottom: 14px;
}
.download-content>p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 28px;
}
.download-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}
.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 24px;
    background: #1c1c1e;
    color: #fff;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.88rem;
    transition: all 0.25s;
    box-shadow: 0 5px 18px rgba(28, 28, 30, 0.18);
    white-space: nowrap;
}
.store-btn:hover {
    background: #000;
    transform: translateY(-2px);
    box-shadow: 0 9px 28px rgba(28, 28, 30, 0.3);
}
.store-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    fill: currentColor;
}
.store-btn.android-btn {
    background: #fff;
    color: #1c1c1e;
    border: 1.5px solid #dddde3;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.store-btn.android-btn:hover {
    border-color: #b8bac2;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}
.download-tip {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.download-tip svg {
    width: 15px;
    height: 15px;
    color: #22c55e;
    flex-shrink: 0;
}
/* 二维码 */
.qr-wrapper {
    display: flex;
    justify-content: center;
}
.qr-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--card-shadow);
    text-align: center;
    border: 1px solid #f0f1f4;
}
.qr-code {
    width: 150px;
    height: 150px;
    margin: 0 auto 14px;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(7, 1fr);
    gap: 2px;
    padding: 10px;
    background: #fff;
    border-radius: 10px;
    border: 2px solid #eef0f4;
}
.qr-dot {
    background: #1c1c1e;
    border-radius: 2px;
}
.qr-dot.empty {
    background: transparent;
}
.qr-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}
.qr-card .qr-title-sm {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

/* ============ 动画 ============ */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .contacts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .hero-inner {
        gap: 36px;
    }
    .phone-device {
        width: 240px;
        height: 495px;
        border-radius: 32px;
        padding: 9px;
        z-index: 9;
    }
    .phone-screen {
        border-radius: 24px;
    }
    .phone-notch {
        width: 26px;
        height: 26px;
        border-radius: 14px;
        margin-top: 6px;
    }
    .phone-content {
        padding: 8px 10px;
        gap: 6px;
    }
    .phone-hero-img {
        height: 105px;
        border-radius: 12px;
    }
    .phone-map {
        border-radius: 10px;
        min-height: 80px;
    }
    .phone-title {
        font-size: 0.76rem;
    }
    .download-inner {
        gap: 36px;
    }
    .qr-code {
        width: 130px;
        height: 130px;
    }
}
@media (max-width: 768px) {
    .nav-links,
    .nav-social {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero {
        padding: 90px 20px 50px;
        min-height: auto;
    }
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
        order: 2;
    }
    .phonePreview {
        order: 1;
        animation: fadeInUp 0.7s ease-out 0.2s both;
    }
    .phone-device {
        width: 210px;
        height: 435px;
        border-radius: 28px;
        padding: 8px;
    }
    .phone-screen {
        border-radius: 21px;
    }
    .phone-notch {
        width: 26px;
        height: 26px;
        border-radius: 12px;
        margin-top: 5px;
    }
    .phone-content {
        padding: 6px 8px;
        gap: 5px;
    }
    .phone-hero-img {
        height: 90px;
        border-radius: 10px;
    }
    .phone-map {
        min-height: 65px;
        border-radius: 8px;
    }
    .phone-title {
        font-size: 0.7rem;
    }
    .phone-badge-tag {
        font-size: 0.5rem;
        padding: 2px 6px;
    }
    .phone-rating {
        font-size: 0.6rem;
    }
    .phone-bottom-nav {
        font-size: 0.5rem;
    }
    .phone-home-bar {
        width: 38px;
        height: 4px;
        margin-bottom: 7px;
    }
    .phone-decor-ring {
        width: 260px;
        height: 260px;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
        gap: 24px;
    }
    .hero-title {
        font-size: 1.8rem;
    }
    .features {
        padding: 55px 20px;
    }
    .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        max-width: 460px;
        margin: 0 auto;
    }
    .contacts-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        max-width: 460px;
        margin: 0 auto;
    }
    .feature-card {
        padding: 22px 14px;
    }
    .feature-contact {
        padding: 10px 10px;
    }
    .feature-contact h3 {
        font-size: 0.9rem;
    }
    .feature-icon-circle {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    .feature-card h3 {
        font-size: 0.9rem;
    }
    .feature-card p {
        font-size: 0.74rem;
    }
    .download {
        padding: 55px 20px;
    }
    .download-inner {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    .download-buttons {
        justify-content: center;
    }
    .download-tip {
        justify-content: center;
    }
    .qr-wrapper {
        order: -1;
    }
    .qr-code {
        width: 115px;
        height: 115px;
    }
    .stats-strip {
        padding: 28px 20px;
    }
    .stat-item h4 {
        font-size: 1.3rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
    .footer-links {
        justify-content: center;
    }
    .footer-social {
        justify-content: center;
    }
}
@media (max-width: 440px) {
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
    }
    .contacts-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
    }
    .hero-title {
        font-size: 1.55rem;
        letter-spacing: -0.5px;
    }
    .hero-desc {
        font-size: 0.9rem;
    }
    .btn {
        padding: 11px 20px;
        font-size: 0.8rem;
        gap: 6px;
    }
    .phone-device {
        width: 180px;
        height: 375px;
        border-radius: 24px;
        padding: 7px;
    }
    .phone-screen {
        border-radius: 18px;
    }
    .phone-notch {
        width: 26px;
        height: 26px;
        border-radius: 10px;
        margin-top: 4px;
    }
    .phone-content {
        padding: 5px 6px;
        gap: 4px;
    }
    .phone-hero-img {
        height: 72px;
        border-radius: 8px;
    }
    .phone-map {
        min-height: 50px;
        border-radius: 6px;
    }
    .phone-title {
        font-size: 0.62rem;
    }
    .phone-badge-tag {
        font-size: 0.45rem;
        padding: 1px 5px;
    }
    .phone-rating {
        font-size: 0.52rem;
    }
    .phone-bottom-nav {
        font-size: 0.45rem;
    }
    .phone-home-bar {
        width: 32px;
        height: 3px;
        margin-bottom: 6px;
    }
    .phone-decor-ring {
        width: 200px;
        height: 200px;
    }
    .hero-stats {
        gap: 16px;
    }
    .hero-stat-val {
        font-size: 1.1rem;
    }
    .hero-stat-lbl {
        font-size: 0.68rem;
    }
    .qr-code {
        width: 100px;
        height: 100px;
        padding: 8px;
        gap: 1.5px;
    }
    .store-btn {
        padding: 10px 18px;
        font-size: 0.78rem;
        gap: 7px;
    }
    .store-btn svg {
        width: 16px;
        height: 16px;
    }
}