:root {
    --primary-color: #4a6bff;
    --secondary-color: #f5f7ff;
    --text-color: #333;
    --light-gray: #f0f2f5;
    --radius-lg: 20px;
    --radius-md: 12px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'PingFang SC', sans-serif;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    width: 100%;
    background: #0a0e1a;
    color: #fff;
    overflow-x: hidden;
    position: relative;
}
button {
  outline: none;
}
/* ===== 全屏固定背景层 ===== */
.bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        #0a0e1a 0%,
        #0f172a 20%,
        #1e1b4b 40%,
        #0f172a 60%,
        #0a0e1a 80%,
        #1a103c 100%
    );
    background-size: 500% 500%;
    animation: gradientMove 20s ease infinite;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    25% { background-position: 50% 100%; }
    50% { background-position: 100% 50%; }
    75% { background-position: 50% 0%; }
    100% { background-position: 0% 50%; }
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.35;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.5), transparent 70%);
    top: -15%;
    left: -10%;
    animation: orbFloat1 25s ease-in-out infinite;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.4), transparent 70%);
    bottom: -20%;
    right: -15%;
    animation: orbFloat2 30s ease-in-out infinite;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.3), transparent 70%);
    top: 40%;
    left: 60%;
    animation: orbFloat3 22s ease-in-out infinite;
}

.orb-4 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.25), transparent 70%);
    top: 70%;
    left: 10%;
    animation: orbFloat4 28s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(120px, 100px) scale(1.15); }
    66% { transform: translate(60px, 180px) scale(0.9); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-100px, -80px) scale(1.1); }
    66% { transform: translate(-150px, 40px) scale(0.85); }
}

@keyframes orbFloat3 {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-30%, -70%) scale(1.25); }
}

@keyframes orbFloat4 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(80px, -60px) scale(1.2); }
}

.grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 80px 80px;
}

#particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ===== 可滚动内容层 ===== */
.content-wrap {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== 顶部导航 ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 14, 26, 0);
    backdrop-filter: blur(0px);
    transition: all 0.4s ease;
}

.nav.scrolled {
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-logo {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo span {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #38bdf8, #8b5cf6);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #38bdf8;
}

/* ===== 模拟器按钮 ===== */
.simulator-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: linear-gradient(135deg, rgba(56,189,248,0.15), rgba(139,92,246,0.15));
    border: 1px solid rgba(56,189,248,0.2);
    border-radius: 50px;
    color: #38bdf8;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.simulator-btn:hover {
    background: linear-gradient(135deg, rgba(56,189,248,0.25), rgba(139,92,246,0.25));
    border-color: rgba(56,189,248,0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(56,189,248,0.15);
}

.simulator-btn svg {
    width: 16px;
    height: 16px;
}

/* ===== 模拟器弹窗 - 左右布局 ===== */
.simulator-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(15px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.simulator-overlay.active {
    display: flex;
    opacity: 1;
}

.simulator-modal {
    width: 90%;
    max-width: 1200px;
    
    max-height: 85vh;
    background: rgba(20, 20, 40, 0.95);
    border-radius: 30px;
    padding: 0;
    box-shadow: 0 0 0 1px rgba(255,255,255,0.1), 0 30px 80px rgba(0,0,0,0.6);
    transform: scale(0.85) translateY(30px);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    border: 1px solid rgba(255,255,255,0.08);
}

.simulator-overlay.active .simulator-modal {
    transform: scale(1) translateY(0);
}

/* 左侧 - 模拟器 */
.simulator-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
    border-right: 1px solid rgba(255,255,255,0.06);
    position: relative;
}

.simulator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding: 0 5px;
}

.simulator-header h3 {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    font-weight: 500;
    letter-spacing: 1px;
}

.simulator-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.simulator-close:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    transform: rotate(90deg);
}

/* iPhone 模型 */
.iphone {
    width: 360px;
    height: calc(100% - 60px);
    background: #1a1a1a;
    border-radius: 45px;
    position: relative;
    box-shadow: 0 0 0 8px #2a2a2a, 0 0 0 9px #3a3a3a, 0 25px 60px rgba(0,0,0,0.5);
    margin: 0 auto;
    overflow: hidden;
    flex-shrink: 0;
}

.iphone::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 45%;
    height: 28px;
    background: #1a1a1a;
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 18px;
    z-index: 11;
}

.iphone::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: #333;
    border-radius: 4px;
}

.screen {
    width: 100%;
    height: calc(100vh - 227px);
    padding-bottom: 26px;
    background: #fff;
    border-radius: 45px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 0 15px rgba(0,0,0,0.1);
}

.status-bar {
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    font-size: 12px;
    color: #333;
    background: rgba(255,255,255,0.8);
}

.status-left {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
}

.status-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.signal-bars {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 12px;
}

.signal-bar {
    width: 3px;
    background: #333;
    border-radius: 1px;
}

.signal-bar:nth-child(1) { height: 4px; }
.signal-bar:nth-child(2) { height: 6px; }
.signal-bar:nth-child(3) { height: 8px; }
.signal-bar:nth-child(4) { height: 10px; }

.battery-icon {
    width: 22px;
    height: 10px;
    border: 1px solid #333;
    border-radius: 2px;
    position: relative;
    display: flex;
    align-items: center;
    padding: 1px;
}

.battery-icon::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 5px;
    background: #333;
    border-radius: 0 1px 1px 0;
}

.battery-level {
    width: 70%;
    height: 100%;
    background: #333;
    border-radius: 1px;
}

.iframe-container {
    width: 100%;
    height: calc(100% - 35px);
    border: none;
    margin-top: 35px;
    border-radius: 0 0 45px 45px;
    overflow: hidden;
    background: #f5f5f5;
}

/* 右侧 - 二维码 + 链接 */
.simulator-right {
    width: 380px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    background: rgba(255,255,255,0.02);
}

.qr-panel {
    text-align: center;
    width: 100%;
}

.qr-panel h4 {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
    letter-spacing: 1px;
    font-weight: 500;
}

.qr-box {
    width: 220px;
    height: 220px;
    background: #fff;
    border-radius: 20px;
    padding: 15px;
    margin: 0 auto 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
}

.qr-box img {
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

/* 扫描动画 */
.scan-line {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #38bdf8, transparent);
    animation: scanMove 2s ease-in-out infinite;
    border-radius: 2px;
}

@keyframes scanMove {
    0%, 100% { top: 15px; opacity: 1; }
    50% { top: calc(100% - 17px); opacity: 1; }
}

.qr-tip {
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    line-height: 1.6;
}

/* 链接面板 */
.link-panel {
    width: 100%;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 20px;
}

.link-panel h4 {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 15px;
    letter-spacing: 1px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.link-panel h4::before {
    content: '';
    width: 4px;
    height: 16px;
    background: linear-gradient(180deg, #38bdf8, #8b5cf6);
    border-radius: 2px;
}

.current-url {
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.15);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.current-url .url-text {
    flex: 1;
    font-size: 13px;
    color: #38bdf8;
    font-family: 'Courier New', monospace;
    word-break: break-all;
    line-height: 1.5;
}

.copy-btn {
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(56,189,248,0.2), rgba(139,92,246,0.2));
    border: 1px solid rgba(56,189,248,0.3);
    border-radius: 8px;
    color: #38bdf8;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
}

.copy-btn:hover {
    background: linear-gradient(135deg, rgba(56,189,248,0.3), rgba(139,92,246,0.3));
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(56,189,248,0.2);
}

.copy-btn.copied {
    background: linear-gradient(135deg, rgba(34,197,94,0.2), rgba(34,197,94,0.3));
    border-color: rgba(34,197,94,0.4);
    color: #22c55e;
}

.copy-btn svg {
    width: 14px;
    height: 14px;
}

/* ===== 英雄区 ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 80px;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 50px;
    font-size: 13px;
    color: #38bdf8;
    margin-bottom: 30px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #38bdf8;
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 6px;
    margin-bottom: 20px;
    line-height: 1.2;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.5s;
    text-shadow: 0 0 60px rgba(56, 189, 248, 0.2);
}

.hero h1 span {
    background: linear-gradient(135deg, #38bdf8, #8b5cf6, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.45);
    letter-spacing: 3px;
    font-weight: 300;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.7s;
}

.hero-sub {
    font-size: 14px;
    color: rgba(255,255,255,0.3);
    letter-spacing: 1px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.9s;
}

.scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeIn 1s ease forwards, bounce 2s ease infinite;
    animation-delay: 1.5s;
}

.scroll-hint span {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    letter-spacing: 2px;
}

.scroll-hint .arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid rgba(255,255,255,0.3);
    border-bottom: 2px solid rgba(255,255,255,0.3);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== 入口区 ===== */
.entries-section {
    padding: 100px 20px;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 4px;
    margin-bottom: 12px;
}

.section-title p {
    font-size: 15px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 2px;
}

.section-title .line {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #38bdf8, transparent);
    margin: 20px auto 0;
}

.entries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.entry-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 24px;
    padding: 40px 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(40px);
}

.entry-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.entry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
    transition: left 0.7s ease;
}

.entry-card:hover::before {
    left: 100%;
}

.entry-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(56, 189, 248, 0.2);
    box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 40px rgba(56,189,248,0.08);
    background: rgba(255,255,255,0.05);
}

.entry-icon-wrap {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 24px;
    position: relative;
}

.entry-icon-wrap::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 24px;
    opacity: 0.3;
    filter: blur(12px);
}

.icon-h5 { background: linear-gradient(135deg, rgba(56,189,248,0.15), rgba(56,189,248,0.03)); }
.icon-h5::after { background: rgba(56,189,248,0.3); }

.icon-mini { background: linear-gradient(135deg, rgba(34,197,94,0.15), rgba(34,197,94,0.03)); }
.icon-mini::after { background: rgba(34,197,94,0.3); }

.icon-android { background: linear-gradient(135deg, rgba(139,92,246,0.15), rgba(139,92,246,0.03)); }
.icon-android::after { background: rgba(139,92,246,0.3); }

.icon-ios { background: linear-gradient(135deg, rgba(236,72,153,0.15), rgba(236,72,153,0.03)); }
.icon-ios::after { background: rgba(236,72,153,0.3); }

.entry-card:hover .entry-icon-wrap {
    transform: scale(1.1) rotate(-5deg);
    transition: transform 0.4s ease;
}

.entry-name {
    font-size: 18px;
    font-weight: 600;
    color: rgba(255,255,255,0.95);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.entry-desc {
    font-size: 13px;
    color: rgba(255,255,255,0.35);
    line-height: 1.6;
}

.entry-action {
    margin-top: 24px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.entry-card:hover .entry-action {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.1);
}

.action-h5 { color: #38bdf8; }
.action-mini { color: #22c55e; }
.action-android { color: #8b5cf6; }
.action-ios { color: #ec4899; }

/* ===== 快速链接区 - 自定义数组样式 ===== */
.links-section {
    padding: 60px 20px;
    text-align: center;
}

.links-section h3 {
    font-size: 20px;
    font-weight: 600;
    color: rgba(255,255,255,0.7);
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.quick-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.quick-link-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 50px;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.quick-link-item:hover {
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.08);
    border-color: rgba(56, 189, 248, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(56,189,248,0.1);
}

.quick-link-item .icon {
    font-size: 16px;
}

.quick-links .sep {
    color: rgba(255,255,255,0.1);
    font-size: 10px;
}

/* ===== 兜底提示 ===== */
.fallback-tip {
    display: block;
    padding: 40px 20px;
    text-align: center;
}

.fallback-tip-inner {
    max-width: 600px;
    margin: 0 auto;
    padding: 30px;
    background: rgba(251, 191, 36, 0.05);
    border: 1px solid rgba(251, 191, 36, 0.15);
    border-radius: 16px;
}

.fallback-tip-inner p {
    color: rgba(251, 191, 36, 0.8);
    font-size: 14px;
    line-height: 1.8;
}

.fallback-tip-inner p:first-child {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

/* ===== 底部 ===== */
.footer {
    margin-top: auto;
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer p {
    color: rgba(255,255,255,0.2);
    font-size: 13px;
    letter-spacing: 1px;
    line-height: 2;
}

.footer a {
    color: rgba(255,255,255,0.25);
    transition: color 0.3s ease;
}

.footer a:hover {
    color: rgba(255,255,255,0.5);
}

.footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

/* ===== 动画定义 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
#think_page_trace_open , #think_page_trace{
    display: none;
}
/* 全屏加载遮罩层 */
.loading-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
/* 隐藏状态 */
.loading-mask.hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
/* 旋转加载动画 */
.loader {
    width: 50px;
    height: 50px;
    border: 5px solid #eee;
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}