:root {
    --bg: #f5f7fb;
    --hero-top: #2ab5ff;
    --hero-bottom: #0784f9;
    --accent: #46ffcb;
    --text-main: #172033;
    --text-sub: #7c8ba1;
    --card-radius: 30px;
    --card-border: #e6ecf4;
    font-family: "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: linear-gradient(180deg, #d8f0ff 0%, #eff5fb 280px, var(--bg) 100%);
    color: var(--text-main);
}

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

a {
    text-decoration: none;
}

.container {
    width: min(1200px, 100%);
    margin: 0 auto;
    padding: 0 24px;
}

.hero {
    background: linear-gradient(180deg, var(--hero-top), var(--hero-bottom));
    color: #fff;
    padding: 30px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("../img/global-CeTjHWh2.png");
    background-size: cover;
    opacity: 0.08;
}

.hero__content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.hero__text h1 {
    margin: 0;
    font-size: 1.8rem;
    letter-spacing: 1px;
}

.hero__logo {
    width: clamp(140px, 22vw, 160px);
    margin-bottom: 12px;
}

.hero__tagline {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 60px 0 8px;
}

.hero__desc {
    color: #def3ff;
    line-height: 1.8;
    margin: 0 0 24px;
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-width: 180px;
    padding: 14px 28px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    transition: transform 0.2s ease, background 0.2s ease;
}

.download-btn:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.1);
}

.hero__visual {
    width: min(500px, 100%);
    align-self: center;
}

.panel {
    background: #fff;
    border-radius: var(--card-radius);
    border: 1px solid var(--card-border);
    box-shadow: 0 30px 60px rgba(32, 72, 128, 0.08);
    padding: 36px 40px;
}

.panel + .panel {
    margin-top: 32px;
}

.panel--social {
    margin-top: -120px;
    padding: 48px 60px 160px;
    border-radius: 40px;
    border: 1px solid #e0e9f5;
    box-shadow: 0 40px 90px rgba(22, 64, 127, 0.12);
    position: relative;
    overflow: hidden;
    text-align: center;
    /*background: url("../img/global-CeTjHWh2.png") center bottom/cover no-repeat;*/
}

.panel--social {
    margin-top: -120px;
    padding: 50px 60px 200px;
    border-radius: 40px;
    border: 1px solid #e0e9f5;
    box-shadow: 0 40px 90px rgba(22, 64, 127, 0.12);
    position: relative;
    overflow: hidden;
    text-align: center;
    background-image: url('../img/global-CeTjHWh2.png'); /* 换成你的路径 */
    background-repeat: no-repeat;      /* 不重复 */
    background-size: 100% auto;        /* 宽度拉满，高度自适应 */
    background-position: center bottom;/* 靠底部居中 */
}

.panel--social::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0) 55%);
    pointer-events: none;
}

/*.panel--social::after {*/
/*  content: "";*/
/*  position: absolute;*/
/*  left: 0;*/
/*  right: 0;*/
/*  bottom: 0;*/
/*  height: 260px;*/
/*  background: url("../img/global-CeTjHWh2.png") center/cover no-repeat;*/
/*  opacity: 0.35;*/
/*  pointer-events: none;*/
/*}*/
.panel__title {
    position: relative;
    margin: 0 auto;
    font-size: 1.4rem;
    color: #0d6bff;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    width: fit-content;
}

.panel__title::before,
.panel__title::after {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 2px;
    background-color: #3c85ff80;
    transform: rotate(45deg);
    box-shadow: -10px 10px #3c85ff4d, -20px 20px #3c85ff1a;
}

.panel__title::after {
    box-shadow: 10px -10px #3c85ff4d, 20px -20px #3c85ff1a;
}

.panel__subtitle {
    position: relative;
    margin: 6px auto 0;
    text-align: center;
    color: var(--text-sub);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    width: fit-content;
    padding: 0 14px;
}

.panel__subtitle::before,
.panel__subtitle::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
}

.panel__subtitle::before {
    left: 0;
    transform: translate(calc(-100% - 4px), -50%);
    background: linear-gradient(270deg, #d5dceb, transparent);
}

.panel__subtitle::after {
    right: 0;
    transform: translate(calc(100% + 4px), -50%);
    background: linear-gradient(90deg, #d5dceb, transparent);
}

.social-strip {
    --icon-size: clamp(58px, 7.5vw, 80px);
    margin: 40px auto 0;
    width: min(1050px, 94vw);
    padding: 0 clamp(10px, 2vw, 30px);
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    gap: clamp(8px, 1.5vw, 18px);
    position: relative;
}

.social-icon {
    width: var(--icon-size);
    height: var(--icon-size);
    border-radius: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 18px 35px rgba(24, 51, 94, 0.18);
    border: 1px solid #e7edf7;
    overflow: hidden;
}

.social-icon span {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background-size: cover;
}

.social-icon:nth-child(1),
.social-icon:nth-child(10) {
    transform: translateY(30px);
}

.social-icon:nth-child(2),
.social-icon:nth-child(9) {
    transform: translateY(18px);
}

.social-icon:nth-child(3),
.social-icon:nth-child(8) {
    transform: translateY(14px);
}

.social-icon:nth-child(4),
.social-icon:nth-child(7) {
    transform: translateY(6px);
}

.social-icon:nth-child(5),
.social-icon:nth-child(6) {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .panel--social {
        padding: 48px 24px 80px;
    }

    .social-strip {
        width: 100%;
        padding: 0;
        gap: 12px;
        flex-wrap: wrap;
    }

    .social-strip::after {
        display: none;
    }

    .social-icon,
    .social-icon:nth-child(n) {
        transform: none;
        flex: 0 0 calc(20% - 10px);
        max-width: calc(20% - 10px);
        width: 100%;
        aspect-ratio: 1 / 1;
        height: auto;
    }
}

.icon-google span {
    background: linear-gradient(135deg, #fbbc05, #ea4335 40%, #34a853 80%, #4285f4);
}

.icon-gmail span {
    background: linear-gradient(135deg, #f44336, #fdd835);
}

.icon-youtube span {
    background: linear-gradient(135deg, #ff0000, #c20000);
}

.icon-facebook span {
    background: linear-gradient(135deg, #4dabff, #1877f2);
}

.icon-twitter span {
    background: linear-gradient(135deg, #1da1f2, #1a91da);
}

.icon-instagram span {
    background: linear-gradient(135deg, #feda75, #fa7e1e, #d62a89, #515bd4);
}

.icon-whatsapp span {
    background: linear-gradient(135deg, #5dd767, #25d366);
}

.icon-telegram span {
    background: linear-gradient(135deg, #64d2ff, #2aa7ff);
}

.icon-snapchat span {
    background: linear-gradient(135deg, #ffef5c, #ffd600);
}

.icon-netflix span {
    background: linear-gradient(135deg, #000, #111);
}

.feature-duo {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 28px;
}

.feature-card {
    border: 1px solid var(--card-border);
    border-radius: 26px;
    padding: 24px 28px;
    text-align: center;
}

.feature-card img {
    width: 56px;
    margin: 0 auto 12px;
}

.feature-card h3 {
    margin: 8px 0 6px;
    font-size: 1.1rem;
}

.feature-card p {
    margin: 0;
    color: var(--text-sub);
    line-height: 1.7;
}

.advantages-grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 18px;
}

.advantage-item {
    padding: 18px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    text-align: center;
}

.advantage-item img {
    width: 44px;
    margin: 0 auto 10px;
}

.advantage-item h4 {
    margin: 8px 0 6px;
    font-size: 1rem;
}

.advantage-item p {
    margin: 0;
    color: var(--text-sub);
    font-size: 0.9rem;
    line-height: 1.6;
}

footer {
    text-align: center;
    padding: 32px 20px;
    color: var(--text-sub);
    font-size: 0.85rem;
}

@media (min-width: 960px) {
    .hero__content {
        flex-direction: row;
        /*align-items: center;*/
        justify-content: space-between;
    }

    .hero__text {
        max-width: 520px;
    }

    .hero__visual {
        margin-right: 20px;
    }
}