/* =========================================================
   Aotastok Linktree & WhatsApp Landing Page Stylesheet
   Design: Modern Mobile-First Glassmorphism & High-Conversion UI
   ========================================================= */

:root {
    --bg-primary: #0a0d14;
    --bg-card: rgba(18, 24, 38, 0.75);
    --border-card: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --wa-green: #25D366;
    --wa-green-hover: #1ebd58;
    --wa-dark-bg: #128C7E;
    
    --btn-bg: rgba(30, 41, 59, 0.7);
    --btn-hover-bg: rgba(51, 65, 85, 0.85);
    --btn-border: rgba(255, 255, 255, 0.06);
    
    --accent-blue: #38bdf8;
    --accent-purple: #818cf8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 32px 16px;
    position: relative;
    overflow-x: hidden;
}

/* 顶部与底部环境光斑 */
.ambient-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.35;
}

.glow-top {
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
}

.glow-bottom {
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, #10b981 0%, transparent 70%);
    bottom: -150px;
    right: 10%;
}

/* 主体容器卡片 */
.card-container {
    width: 100%;
    max-width: 440px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 28px;
    padding: 36px 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.03);
    position: relative;
    z-index: 1;
    animation: fadeInCard 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInCard {
    from {
        opacity: 0;
        transform: translateY(18px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 头部个人/品牌资料 */
.profile-header {
    text-align: center;
    margin-bottom: 26px;
}

/* 头部主图/动态视频：横屏自适应宽高，完全替代旧版圆形icon头像 */
.header-banner-box {
    position: relative;
    width: 100%;
    margin: 0 auto 20px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 12px 28px -4px rgba(0, 0, 0, 0.45);
    background: rgba(15, 23, 42, 0.5);
    line-height: 0;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.header-banner-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px -4px rgba(0, 0, 0, 0.65);
}

.header-video-wrapper {
    position: relative;
    width: 100%;
    line-height: 0;
}

.header-banner-img,
.header-banner-video {
    width: 100%;
    height: auto;
    display: block;
    /* 保持原比例自适应宽高，无固定高度截断与拉伸变形 */
    object-fit: contain;
}

.header-banner-video {
    background: #000;
    cursor: pointer;
}

/* 视频专属：悬浮玻璃态声音控制按钮 (支持一键切换静音/开启声音) */
.video-sound-btn {
    position: absolute;
    bottom: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #f8fafc;
    border: 1px solid rgba(255, 255, 255, 0.22);
    padding: 7px 14px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.video-sound-btn:hover {
    background: rgba(30, 41, 59, 0.92);
    border-color: rgba(56, 189, 248, 0.5);
    color: #38bdf8;
    transform: scale(1.04);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.6);
}

.video-sound-btn:active {
    transform: scale(0.98);
}

.video-sound-btn.is-active {
    background: rgba(56, 189, 248, 0.2);
    border-color: #38bdf8;
    color: #38bdf8;
}

.video-sound-btn .sound-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 0;
}

.video-sound-btn .sound-text {
    font-size: 11px;
    letter-spacing: 0.02em;
}

.title-badge-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 6px;
}

.brand-name {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 30%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.verified-icon {
    flex-shrink: 0;
}

.brand-bio {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    padding: 0 10px;
}

/* 链接按钮组 */
.links-group {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.link-btn {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--btn-bg);
    border: 1px solid var(--btn-border);
    padding: 14px 18px;
    border-radius: 16px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.link-btn:hover {
    background: var(--btn-hover-bg);
    border-color: rgba(255, 255, 255, 0.16);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -8px rgba(0, 0, 0, 0.4);
}

.link-btn:active {
    transform: translateY(0) scale(0.985);
}

.btn-icon-wrap {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-right: 14px;
    color: #cbd5e1;
}

.btn-text-content {
    flex: 1;
    text-align: left;
    display: flex;
    flex-direction: column;
}

.btn-label {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.btn-sublabel {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.btn-chevron {
    color: var(--text-muted);
    font-size: 16px;
    transition: transform 0.2s ease, color 0.2s ease;
    margin-left: 8px;
}

.link-btn:hover .btn-chevron {
    transform: translateX(4px);
    color: #ffffff;
}

/* WhatsApp 重点转化按钮 (高亮 & 动态光效) */
.wa-primary-btn {
    background: linear-gradient(135deg, #25D366 0%, #1ea952 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #042410;
    box-shadow: 0 8px 24px -4px rgba(37, 211, 102, 0.45);
    position: relative;
}

.wa-primary-btn .wa-icon-box {
    background: rgba(0, 0, 0, 0.12);
    color: #042410;
}

.wa-primary-btn .btn-label {
    color: #042410;
    font-weight: 800;
}

.wa-primary-btn .btn-sublabel {
    color: #0f4a25;
    font-weight: 600;
}

.wa-primary-btn .btn-chevron {
    color: #042410;
    font-weight: bold;
}

.wa-primary-btn:hover {
    background: linear-gradient(135deg, #2ae26f 0%, #20b859 100%);
    box-shadow: 0 12px 28px -4px rgba(37, 211, 102, 0.65);
    transform: translateY(-2px);
}

/* 呼吸动画高亮光圈 */
.wa-primary-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    box-shadow: 0 0 16px rgba(37, 211, 102, 0.5);
    opacity: 0;
    animation: waPulse 2.8s infinite;
}

@keyframes waPulse {
    0% { opacity: 0; transform: scale(0.98); }
    50% { opacity: 0.8; transform: scale(1.02); }
    100% { opacity: 0; transform: scale(0.98); }
}

/* Messenger 重点客服按钮 (Facebook Messenger 经典渐变蓝紫与高质感光效) */
.ms-primary-btn {
    background: linear-gradient(135deg, #00B2FE 0%, #006AFF 50%, #7000FF 100%);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #ffffff;
    box-shadow: 0 8px 24px -4px rgba(0, 106, 255, 0.45);
    position: relative;
}

.ms-primary-btn .ms-icon-box {
    background: rgba(255, 255, 255, 0.16);
    color: #ffffff;
}

.ms-primary-btn .btn-label {
    color: #ffffff;
    font-weight: 800;
}

.ms-primary-btn .btn-sublabel {
    color: #e0e7ff;
    font-weight: 500;
}

.ms-primary-btn .btn-chevron {
    color: #ffffff;
    font-weight: bold;
}

.ms-primary-btn:hover {
    background: linear-gradient(135deg, #1ec0ff 0%, #1579ff 50%, #8215ff 100%);
    box-shadow: 0 12px 28px -4px rgba(0, 106, 255, 0.65);
    transform: translateY(-2px);
}

/* ==================== 四大信任背书徽章 (Trust Badges) ==================== */
.trust-badges-section {
    margin-top: 24px;
    width: 100%;
}

.trust-badges-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 14px;
}

.trust-divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
}

.trust-header-text {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.trust-badges-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.trust-badge-item {
    background: rgba(30, 41, 59, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 14px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.trust-badge-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    opacity: 0.6;
}

.trust-badge-item:hover {
    background: rgba(30, 41, 59, 0.7);
    border-color: rgba(255, 255, 255, 0.16);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -6px rgba(0, 0, 0, 0.45);
}

.badge-icon-box {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.trust-badge-item:hover .badge-icon-box {
    transform: scale(1.08);
}

.badge-icon-box.icon-cyan {
    background: rgba(6, 182, 212, 0.14);
    color: #38bdf8;
    border: 1px solid rgba(6, 182, 212, 0.28);
}

.badge-icon-box.icon-blue {
    background: rgba(99, 102, 241, 0.14);
    color: #818cf8;
    border: 1px solid rgba(99, 102, 241, 0.28);
}

.badge-icon-box.icon-green {
    background: rgba(34, 197, 94, 0.14);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.28);
}

.badge-icon-box.icon-amber {
    background: rgba(245, 158, 11, 0.14);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.28);
}

.badge-text-box {
    display: flex;
    flex-direction: column;
    gap: 3px;
    width: 100%;
}

.badge-title {
    font-size: 12.5px;
    font-weight: 700;
    color: #f8fafc;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.badge-desc {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.35;
    opacity: 0.9;
}

@media (max-width: 360px) {
    .trust-badges-grid {
        grid-template-columns: 1fr;
    }
}

/* 页脚区域 */
.page-footer {
    margin-top: 32px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
}

.copyright {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.legal-links {
    font-size: 12px;
    color: var(--text-secondary);
}

.legal-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.legal-links a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.separator {
    margin: 0 6px;
    color: var(--text-muted);
}

/* GDPR 法律声明模态框 */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}

.modal-backdrop.active {
    display: flex;
}

.modal-card {
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    max-width: 480px;
    width: 100%;
    padding: 24px;
    color: #cbd5e1;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
    animation: popUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes popUp {
    from { transform: scale(0.92); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-header h3 {
    color: #ffffff;
    font-size: 18px;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
}

.modal-close-btn:hover {
    color: #ffffff;
}

.modal-body {
    font-size: 13.5px;
    line-height: 1.6;
}

.modal-body h4 {
    color: #f1f5f9;
    margin: 12px 0 6px;
}

.modal-body p {
    margin-bottom: 10px;
}

/* =========================================================
   巴西市场左上角实时咨询社交证明弹窗 (Social Proof Notification)
   ========================================================= */

.toast-lead-notification {
    position: fixed;
    top: 24px;
    left: 24px;
    z-index: 999;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 12px 14px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 360px;
    min-width: 290px;
    box-shadow: 0 16px 36px -6px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.04);
    opacity: 0;
    transform: translateY(-24px) scale(0.96);
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.toast-lead-notification.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.toast-close {
    position: absolute;
    top: 6px;
    right: 8px;
    background: transparent;
    border: none;
    color: #64748b;
    font-size: 16px;
    cursor: pointer;
    line-height: 1;
    padding: 2px 5px;
    border-radius: 4px;
    transition: all 0.2s;
    z-index: 2;
}

.toast-close:hover {
    color: #f8fafc;
    background: rgba(255, 255, 255, 0.08);
}

.toast-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    color: #ffffff;
    position: relative;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.toast-wa-badge {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 17px;
    height: 17px;
    background: var(--wa-green);
    border: 2px solid #0f172a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 6px rgba(37, 211, 102, 0.6);
}

.toast-body {
    flex: 1;
    min-width: 0;
    text-align: left;
    padding-right: 14px;
}

.toast-title {
    font-size: 13px;
    color: #f8fafc;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.toast-title strong {
    color: #38bdf8;
    font-weight: 700;
}

.toast-desc {
    font-size: 11.5px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 3px;
    flex-wrap: nowrap;
}

.live-dot {
    width: 7px;
    height: 7px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 6px #22c55e;
    flex-shrink: 0;
    animation: blinkLive 1.4s infinite ease-in-out;
}

@keyframes blinkLive {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.35; transform: scale(0.85); }
}

.toast-time {
    color: #64748b;
    font-size: 11px;
    margin-left: auto;
    flex-shrink: 0;
    font-family: monospace;
}

.toast-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2.5px;
    background: linear-gradient(90deg, #25D366, #38bdf8);
    border-radius: 0 0 16px 16px;
    width: 100%;
    transform-origin: left;
}

@keyframes toastProgressAnim {
    0% { transform: scaleX(1); }
    100% { transform: scaleX(0); }
}

/* =========================================================
   响应式多端适配（手机端 + 平板 + 桌面端）
   ========================================================= */

/* 手机竖屏 (iPhone, Android 设备) */
@media (max-width: 640px) {
    body {
        padding: 20px 12px;
        align-items: flex-start;
    }

    .card-container {
        padding: 26px 16px;
        border-radius: 22px;
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
    }

    .header-banner-box {
        margin-bottom: 16px;
        border-radius: 14px;
    }

    .brand-name {
        font-size: 21px;
    }

    .brand-bio {
        font-size: 13.5px;
        margin-bottom: 22px;
    }

    .link-btn {
        padding: 12px 14px;
        border-radius: 14px;
        gap: 0;
    }

    .btn-icon-wrap {
        width: 36px;
        height: 36px;
        margin-right: 12px;
    }

    .btn-label {
        font-size: 14px;
    }

    .btn-sublabel {
        font-size: 11.5px;
    }

    /* 移动端弹窗调整到顶部居中，不遮挡主要操作 */
    .toast-lead-notification {
        top: 12px;
        left: 12px;
        right: 12px;
        max-width: calc(100% - 24px);
        min-width: unset;
        padding: 10px 12px 12px;
        border-radius: 14px;
    }

    .glow-top {
        width: 220px;
        height: 220px;
    }

    .glow-bottom {
        width: 240px;
        height: 240px;
    }
}

/* 电脑端及大屏 (1080p, 2K, 4K) */
@media (min-width: 641px) {
    .card-container {
        margin: auto;
        max-width: 440px;
    }

    .toast-lead-notification {
        top: 28px;
        left: 28px;
        max-width: 360px;
    }
}



/* ==================== 客服实时在线呼吸灯 (Online Status Pill) ==================== */
.online-status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 999px;
    padding: 6px 14px;
    margin: 0 auto 16px;
    width: fit-content;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}

.status-pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 8px #10b981;
}

.status-pulse-dot::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background-color: rgba(16, 185, 129, 0.4);
    animation: pulseDot 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulseDot {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.8);
        opacity: 0;
    }
}

.status-text {
    font-size: 12px;
    font-weight: 700;
    color: #34d399;
    letter-spacing: -0.01em;
}

.status-sep {
    font-size: 10px;
    color: rgba(52, 211, 153, 0.5);
}

.status-subtext {
    font-size: 11.5px;
    font-weight: 500;
    color: #a7f3d0;
}

/* ==================== 热门产品快捷直选标签组 (Quick Chips) ==================== */
.quick-chips-section {
    width: 100%;
    margin-bottom: 14px;
}

.quick-chips-label {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 6px;
}

.quick-chips-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.chip-item {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 6px 11px;
    font-size: 12px;
    font-weight: 600;
    color: #cbd5e1;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    user-select: none;
}

.chip-item:hover {
    background: rgba(51, 65, 85, 0.8);
    border-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    transform: translateY(-1px);
}

.chip-item.active {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.2) 0%, rgba(18, 140, 126, 0.25) 100%);
    border-color: rgba(37, 211, 102, 0.6);
    color: #4ade80;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
    font-weight: 700;
}

.chip-item .chip-dot {
    width: 6px;
    height: 6px;
    background: #4ade80;
    border-radius: 50%;
    display: inline-block;
}

/* ==================== FAQ 常见疑虑折叠手风琴 ==================== */
.faq-section {
    margin-top: 24px;
    width: 100%;
}

.faq-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 14px;
}

.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-item {
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.25s ease;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(30, 41, 59, 0.6);
}

.faq-item.active {
    background: rgba(30, 41, 59, 0.75);
    border-color: rgba(56, 189, 248, 0.35);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
    font-weight: 700;
    color: #f1f5f9;
    cursor: pointer;
    text-align: left;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: #38bdf8;
}

.faq-chevron {
    color: var(--text-muted);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s;
    flex-shrink: 0;
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    color: #38bdf8;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
    padding: 0 14px;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 14px 12px;
}

.faq-answer p {
    font-size: 12px;
    line-height: 1.55;
    color: var(--text-secondary);
}

/* ==================== 移动端向下滑动吸底常驻 CTA ==================== */
.sticky-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 99;
    padding: 10px 16px;
    background: rgba(10, 13, 20, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(120%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    justify-content: center;
}

.sticky-bottom-bar.visible {
    transform: translateY(0);
}

.sticky-wa-btn {
    width: 100%;
    max-width: 440px;
    background: linear-gradient(135deg, #25D366 0%, #1ea952 100%);
    color: #042410;
    text-decoration: none;
    border-radius: 14px;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 6px 20px -2px rgba(37, 211, 102, 0.5);
    transition: transform 0.2s ease;
}

.sticky-wa-btn:active {
    transform: scale(0.98);
}

.sticky-btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-right: 10px;
    color: #042410;
}

.sticky-btn-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.sticky-btn-title {
    font-size: 13.5px;
    font-weight: 800;
    color: #042410;
    letter-spacing: -0.01em;
}

.sticky-btn-sub {
    font-size: 11px;
    font-weight: 600;
    color: #0f4a25;
}

.sticky-chevron {
    font-size: 15px;
    font-weight: bold;
    color: #042410;
    margin-left: 6px;
}

/* ==================== 四大信任背书徽章 (Trust Badges) ==================== */
.trust-badges-section {
    margin-top: 22px;
    width: 100%;
}

.trust-badges-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 12px;
}

.trust-divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.trust-header-text {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
}

.trust-badges-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.trust-badge-item {
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.25s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.trust-badge-item:hover {
    background: rgba(30, 41, 59, 0.65);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.badge-icon-box {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.badge-icon-box.icon-cyan {
    background: rgba(6, 182, 212, 0.15);
    color: #22d3ee;
    border: 1px solid rgba(6, 182, 212, 0.25);
}

.badge-icon-box.icon-blue {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.badge-icon-box.icon-green {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-icon-box.icon-amber {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-text-box {
    text-align: left;
    min-width: 0;
}

.badge-title {
    font-size: 11.5px;
    font-weight: 700;
    color: #f1f5f9;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.badge-desc {
    font-size: 10px;
    color: #94a3b8;
    margin-top: 2px;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 380px) {
    .trust-badges-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== 落地页底部补充大图 ==================== */
.bottom-banner-box {
    margin-top: 18px;
    border-radius: 16px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 10px 30px -4px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    line-height: 0;
}

.bottom-banner-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px -4px rgba(0, 0, 0, 0.65);
}

.bottom-banner-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}