* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}
body {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    color: #1a1a2e;
    line-height: 1.75;
    background-color: #f1f5f9;
    overflow-x: hidden; /* 新增：隐藏横向溢出，解决左右滚动条 */
}
section {
    padding: 48px 36px;
    margin: 40px 0;
    background: #ffffff;
    border-radius: 18px;
    box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
    border-bottom: none;
}
h1 {
    font-size: 44px;
    font-weight: 700;
    margin: 0 0 16px;
    color: #0f172a;
    line-height: 1.3;
}
h2 {
    font-size: 32px;
    margin: 0 0 24px;
    color: #0f172a;
    line-height: 1.35;
    padding-bottom: 12px;
    border-bottom: 2px solid #e2e8f0;
}
h3 {
    font-size: 24px;
    margin: 32px 0 14px;
    color: #1e293b;
}
h4 {
    font-size: 20px;
    margin: 12px 0;
    color: #0f172a;
}
p, li {
    font-size: 18px;
    margin: 10px 0;
    color: #334155;
}
ul {
    padding-left: 26px;
    margin: 16px 0;
}
.btn-main {
    display: block;
    width: 100%;
    padding: 18px 0;
    background: linear-gradient(135deg,#e6a000,#ffc107);
    color: #050505;
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    margin: 16px 0;
    box-shadow: 0 6px 18px rgba(255,179,0,0.28);
    transition: all 0.25s ease;
}
.btn-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(255,179,0.35);
}
.btn-sub {
    display: block;
    width: 100%;
    padding: 16px 0;
    background: #1d4ed8;
    color: #ffffff;
    text-align: center;
    font-size: 18px;
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 12px;
    transition: 0.2s;
}
.btn-sub:hover {
    background: #1e40af;
}
.img-block {
    width: 100%;
    border-radius: 14px;
    margin: 28px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.img-rounded {
    width: 100%;
    max-width: 720px;
    margin: 28px auto;
    display: block;
    border-radius: 16px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
.team-row {
    display: flex;
    gap: 32px;
    margin: 36px 0 12px;
    flex-wrap: wrap;
}
.team-card {
    flex: 1;
    min-width: 300px;
    text-align: center;
    background: #f8fafc;
    padding: 28px 20px;
    border-radius: 16px;
    box-shadow: 0 2px 14px rgba(0,0,0,0.05);
    border: 1px solid #e2e8f0;
}
.faq-box {
    margin: 20px 0;
    padding: 24px 28px;
    background: #f8fafc;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid #e2e8f0;
}
.trust-bar {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 12px;
    padding: 28px 16px;
    background: #f8fafc;
    border-radius: 14px;
    margin: 32px 0;
    border: 1px solid #e2e8f0;
}
.trust-item {
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #0f172a;
}
.review-wrap {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 28px;
}
.review-card {
    flex: 1;
    min-width: 280px;
    background: #f8fafc;
    padding: 26px;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    border: 1px solid #e2e8f0;
}
.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: #f8fafc;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 14px rgba(0,0,0,0.06);
    border: 1px solid #e2e8f0;
}
.compare-table th,
.compare-table td {
    padding: 18px 16px;
    border: 1px solid #e2e8f0;
}
.compare-table tr:nth-child(odd) {
    background: #ffffff;
}
.compare-table tr:first-child {
    background: #1d4ed8;
    color: #fff;
}
.disclaimer {
    margin: 60px 0 40px;
    padding: 24px 36px;
    background: #ffffff;
    border-radius: 14px;
    font-size: 14px;
    color: #64748b;
    line-height: 1.8;
    box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
}
.float-support-wrap {
    position: fixed;
    right: 24px;
    bottom: 40px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.float-fb-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #1877F2;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(24, 119, 242, 0.35);
    transition: all 0.25s ease;
}
.float-fb-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 22px rgba(24, 119, 242, 0.45);
}
.float-wa-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
    transition: all 0.25s ease;
}
.float-wa-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 22px rgba(37, 211, 102, 0.45);
}
.float-icon {
    width: 26px;
    height: 26px;
    fill: #fff;
}

/* 头部广告横幅外层容器 */
.hero-section {
    position: relative;
    padding: 0;
    margin: 40px 0;
    overflow: hidden;
    border-radius: 18px;
}

/* 横幅图片自适应：完整显示，不拉伸，不裁切关键内容 */
.hero-banner-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    object-position: center left;
}

/* 移动端适配：缩小内边距、缩小标题字号，整体紧凑 */
@media screen and (max-width: 768px) {
    .hero-section {
        margin: 24px 0;
    }
    .hero-overlay {
        padding: 32px 20px;
        background: linear-gradient(to bottom, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.35));
    }
    .hero-overlay h1 {
        font-size: 28px;
    }
    .hero-overlay h2 {
        font-size: 18px;
    }
}
/* 超小手机极致精简 */
@media screen and (max-width: 480px) {
    .hero-section {
        margin: 16px 0;
    }
    .hero-overlay h1 {
        font-size: 24px;
    }
    .hero-overlay h2 {
        font-size: 16px;
    }
}

/* 移动端全局适配，精简页面高度 */
@media screen and (max-width: 768px) {
    body {
        padding: 0 12px;
    }
    section {
        padding: 32px 20px;
        margin: 24px 0;
        border-radius: 14px;
    }
    h1 {
        font-size: 28px;
    }
    h2 {
        font-size: 24px;
        padding-bottom: 8px;
        margin-bottom: 16px;
    }
    h3 {
        font-size: 20px;
        margin-top: 24px;
    }
    h4 {
        font-size: 18px;
    }
    p, li {
        font-size: 16px;
    }
    .team-row {
        gap: 20px;
    }
    .team-card {
        min-width: 100%;
        padding: 20px 14px;
    }
    .review-wrap {
        gap: 16px;
    }
    .review-card {
        min-width: 100%;
        padding: 20px;
    }
    .trust-bar {
        padding: 20px 12px;
        gap: 8px;
    }
    .trust-item {
        font-size: 14px;
        width: 48%;
    }
    .faq-box {
        padding: 18px 20px;
    }
    .compare-table {
        display: block;
        overflow-x: auto;
    }
    .compare-table th, .compare-table td {
        padding: 12px 10px;
        font-size: 15px;
        min-width: 120px;
    }
    .img-block, .img-rounded {
        margin: 20px 0;
        border-radius: 12px;
    }
    .btn-main, .btn-sub {
        padding: 16px 0;
        font-size: 17px;
        border-radius: 10px;
    }
    .float-support-wrap {
        right: 16px;
        bottom: 24px;
        gap: 10px;
    }
    .float-fb-btn, .float-wa-btn {
        width: 48px;
        height: 48px;
    }
    .float-icon {
        width: 22px;
        height: 22px;
    }
    .disclaimer {
        padding: 18px 20px;
        margin: 40px 0 30px;
        font-size: 13px;
    }
}
/* 超小手机极致压缩 */
@media screen and (max-width: 480px) {
    h1 {
        font-size: 24px;
    }
    h2 {
        font-size: 21px;
    }
    .trust-item {
        width: 46%;
    }
    section {
        padding: 24px 16px;
        margin: 16px 0;
    }
}