/* ===== 基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

/* ===== 背景动效 ===== */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(72, 187, 255, 0.08) 0%, transparent 40%);
    animation: bgFloat 20s ease-in-out infinite;
    z-index: 0;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, 2%) rotate(1deg); }
    66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

/* ===== 容器 ===== */
.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 380px;
}

/* ===== 卡片 ===== */
.card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    animation: cardIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes cardIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 头像 ===== */
.avatar-wrapper {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
}

.avatar-glow {
    position: absolute;
    inset: -4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f77062 100%);
    border-radius: 50%;
    animation: glowRotate 4s linear infinite;
    filter: blur(8px);
    opacity: 0.6;
}

@keyframes glowRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.avatar {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.1);
    z-index: 1;
}

/* ===== 文字 ===== */
.greeting {
    font-size: 28px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
    margin-bottom: 32px;
}

/* ===== 链接按钮 ===== */
.links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 24px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 400;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.link-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.link-btn:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

.link-btn:hover::before {
    opacity: 1;
}

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

.link-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ===== 按钮主题色 ===== */
/* 微信 */
.link-btn.wechat {
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.2) 0%, rgba(7, 193, 96, 0.1) 100%);
    border-color: rgba(7, 193, 96, 0.3);
}

.link-btn.wechat:hover {
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.3) 0%, rgba(7, 193, 96, 0.15) 100%);
    border-color: rgba(7, 193, 96, 0.5);
}

/* 微信备用 */
.link-btn.wechat-backup {
    background: linear-gradient(135deg, rgba(100, 100, 100, 0.2) 0%, rgba(100, 100, 100, 0.1) 100%);
    border-color: rgba(150, 150, 150, 0.3);
}

.link-btn.wechat-backup:hover {
    background: linear-gradient(135deg, rgba(100, 100, 100, 0.3) 0%, rgba(100, 100, 100, 0.15) 100%);
    border-color: rgba(150, 150, 150, 0.5);
}

/* 邮箱 */
.link-btn.email {
    background: linear-gradient(135deg, rgba(234, 67, 53, 0.15) 0%, rgba(234, 67, 53, 0.08) 100%);
    border-color: rgba(234, 67, 53, 0.25);
}

.link-btn.email:hover {
    background: linear-gradient(135deg, rgba(234, 67, 53, 0.25) 0%, rgba(234, 67, 53, 0.12) 100%);
    border-color: rgba(234, 67, 53, 0.4);
}

/* 小红书 */
.link-btn.xiaohongshu {
    background: linear-gradient(135deg, rgba(255, 45, 85, 0.15) 0%, rgba(255, 45, 85, 0.08) 100%);
    border-color: rgba(255, 45, 85, 0.25);
}

.link-btn.xiaohongshu:hover {
    background: linear-gradient(135deg, rgba(255, 45, 85, 0.25) 0%, rgba(255, 45, 85, 0.12) 100%);
    border-color: rgba(255, 45, 85, 0.4);
}

/* Twitter */
.link-btn.twitter {
    background: linear-gradient(135deg, rgba(29, 161, 242, 0.15) 0%, rgba(29, 161, 242, 0.08) 100%);
    border-color: rgba(29, 161, 242, 0.25);
}

.link-btn.twitter:hover {
    background: linear-gradient(135deg, rgba(29, 161, 242, 0.25) 0%, rgba(29, 161, 242, 0.12) 100%);
    border-color: rgba(29, 161, 242, 0.4);
}

/* ===== 弹窗 ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                backdrop-filter 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                -webkit-backdrop-filter 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.modal-content {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.98) 0%, rgba(15, 52, 96, 0.95) 100%);
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 28px;
    text-align: center;
    max-width: 360px;
    width: 100%;
    transform: scale(0.85) translateY(40px);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6),
                0 0 0 1px rgba(255, 255, 255, 0.08) inset,
                0 0 60px rgba(102, 126, 234, 0.15);
}

.modal-overlay.show .modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.modal-title {
    color: #fff;
    font-size: 17px;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s 0.15s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.4s 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.show .modal-title {
    opacity: 1;
    transform: translateY(0);
}

.modal-title svg {
    width: 22px;
    height: 22px;
    color: #07c160;
}

.qr-wrapper {
    background: #fff;
    border-radius: 16px;
    padding: 12px;
    margin-bottom: 18px;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.4s 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.5s 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.modal-overlay.show .qr-wrapper {
    opacity: 1;
    transform: scale(1);
}

.qr-wrapper img {
    width: 100%;
    max-width: 280px;
    height: auto;
    display: block;
    border-radius: 8px;
}

.modal-hint {
    color: rgba(255, 255, 255, 0.55);
    font-size: 13px;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.4s 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.show .modal-hint {
    opacity: 1;
    transform: translateY(0);
}

.modal-close {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.9);
    padding: 12px 36px;
    border-radius: 14px;
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(10px);
}

.modal-overlay.show .modal-close {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.4s 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.4s 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.modal-close:active {
    transform: translateY(0);
}

/* ===== 入场动画 ===== */
.link-btn:nth-child(1) { animation: linkIn 0.5s 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }
.link-btn:nth-child(2) { animation: linkIn 0.5s 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }
.link-btn:nth-child(3) { animation: linkIn 0.5s 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }
.link-btn:nth-child(4) { animation: linkIn 0.5s 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }
.link-btn:nth-child(5) { animation: linkIn 0.5s 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }

@keyframes linkIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== 响应式 ===== */
@media (max-width: 420px) {
    .card { padding: 32px 24px; }
    .avatar-wrapper { width: 100px; height: 100px; }
    .avatar { width: 100px; height: 100px; }
    .greeting { font-size: 24px; }
    .modal-content { padding: 24px; }
}