/* 墨睿官网首页CSS - 与功能页导航样式完全统一 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: #0a0a0a;
    color: #f9fafb;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 多层蓝色径向光晕，缓慢漂移营造变化感（DeepSeek Harness 风） */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(620px 420px at 76% 10%, rgba(74,138,196,.26), transparent 70%),
        radial-gradient(720px 520px at 14% 32%, rgba(45,95,158,.22), transparent 70%),
        radial-gradient(820px 620px at 50% 105%, rgba(26,56,112,.32), transparent 70%);
    pointer-events: none;
    z-index: 0;
    animation: dsDrift 18s ease-in-out infinite alternate;
}

@keyframes dsDrift {
    0%   { background-position: 0% 0%, 0% 0%, 0% 0%; }
    100% { background-position: 7% 5%, -6% 7%, 4% -5%; }
}

/* ========== 导航栏 - 和功能页完全统一 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 48px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 0px;
  position: relative;
  overflow: hidden;
  
  /* 
     关键修改：
     1. background-image 接受逗号分隔的多个值。
     2. 第一个 url() 是 Logo 图片，第二个 linear-gradient 是背景渐变。
     3. 图片会显示在渐变之上。
  */
  background-image: url('logo.png');
  
  /* 控制 Logo 的大小和位置 */
  background-size: 36px 36px, cover; /* Logo大小设为20x20，渐变铺满 */
  background-position: center, center; /* 两者都居中 */
  background-repeat: no-repeat, no-repeat; /* 都不重复 */
}

.logo-icon::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: rgba(255,255,255,0.2);
}

.logo-icon svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff, #bfdbfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 导航菜单 + 下拉 */
.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-item {
    position: relative;
    color: rgba(255,255,255,0.8);
    font-size: 15px;
    cursor: pointer;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 0;
}

.nav-item:hover {
    color: #fff;
}

.nav-item .arrow {
    font-size: 10px;
    opacity: 0.6;
    transition: transform 0.2s;
}

.nav-item:hover .arrow {
    transform: rotate(180deg);
    opacity: 1;
}

/* 下拉菜单 */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 220px;
    background: rgba(20, 20, 30, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246,0.2);
    border-radius: 12px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
    display: block;
    padding: 10px 14px;
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
}

.nav-dropdown-item:hover {
    background: rgba(59, 130, 246,0.15);
    color: #fff;
}

.nav-dropdown-desc {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
    margin-top: 2px;
}

/* 右侧区域 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-switch {
    display: flex;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 4px;
    font-size: 13px;
}

.lang-item {
    padding: 4px 12px;
    border-radius: 16px;
    cursor: pointer;
    color: rgba(255,255,255,0.6);
    transition: all 0.2s;
}

.lang-item.active {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
}

.btn-outline:hover {
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.05);
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #3b82f6);
    color: #fff;
    box-shadow: 0 4px 20px rgba(59, 130, 246,0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(59, 130, 246,0.4);
}

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
    border-radius: 12px;
}

/* ========== 通用容器 ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    font-size: 13px;
    color: #88adf2;
    letter-spacing: 2px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 0%, #bfdbfe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.6);
    max-width: 600px;
    margin: 0 auto;
}

/* ========== Hero区域 ========== */
.hero {
    padding: 120px 0 60px;
    text-align: center;
}

.hero-subtitle-tag {
    font-size: 14px;
    color: #88adf2;
    letter-spacing: 3px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, #dbe7ff 50%, #fff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.6);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 24px;
}

.hero-note {
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

/* ========== AI中台架构图 ========== */
.arch-box {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(59, 130, 246,0.15);
    border-radius: 24px;
    padding: 48px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 32px;
    align-items: center;
    position: relative;
}

.arch-box::before {
 
    position: absolute;
    top: 50%;
    left: 28%;
    right: 28%;
    height: 2px;
    background: repeating-linear-gradient(90deg, rgba(59, 130, 246,0.4) 0, rgba(59, 130, 246,0.4) 8px, transparent 8px, transparent 16px);
}

.arch-side {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.arch-side-label {
    font-size: 11px;
    color: rgba(255,255,255,0.3);
    margin-bottom: 8px;
}

.arch-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 14px 20px;
    font-size: 15px;
    color: rgba(255,255,255,0.8);
    transition: all 0.3s;
}

.arch-card:hover {
    border-color: rgba(59, 130, 246,0.3);
    background: rgba(59, 130, 246,0.05);
}

.arch-center {
    background: linear-gradient(135deg, rgba(59, 130, 246,0.1), rgba(59,130,246,0.1));
    border: 1px solid rgba(59, 130, 246,0.4);
    border-radius: 20px;
    padding: 32px;
    text-align: center;
    box-shadow: 0 0 60px rgba(59, 130, 246,0.2);
    z-index: 2;
}

.arch-center-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.arch-center-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #3b82f6, #3b82f6);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.arch-center-sub {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 24px;
}

.arch-capabilities {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.arch-cap-item {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 12px 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.arch-cap-item:hover {
    border-color: rgba(59, 130, 246,0.4);
    background: rgba(59, 130, 246,0.08);
    transform: translateY(-2px);
}

.arch-side .arch-card {
    position: relative;
    padding-left: 32px;
}

.arch-side .arch-card::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: rgba(59, 130, 246,0.6);
}

/* ========== 核心技术卡片 ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: rgba(59, 130, 246,0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(59, 130, 246,0.2), rgba(59,130,246,0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 22px;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
}

/* ========== 产品矩阵 ========== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.product-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #3b82f6);
    opacity: 0;
    transition: opacity 0.3s;
}

.product-card:hover {
    border-color: rgba(59, 130, 246,0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(59, 130, 246,0.1);
}

.product-card:hover::before {
    opacity: 1;
}

.product-num {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    font-family: monospace;
}

.product-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 20px;
}

.product-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.product-desc {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 16px;
}

.product-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.product-tag {
    font-size: 11px;
    padding: 4px 10px;
    background: rgba(59, 130, 246,0.1);
    color: #88adf2;
    border-radius: 6px;
    border: 1px solid rgba(59, 130, 246,0.2);
}

.product-link {
    font-size: 13px;
    color: #88adf2;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s;
    cursor: pointer;
}

.product-link:hover {
    gap: 8px;
}

.product-layer {
    position: absolute;
    left: 12px;
    top: 12px;
    font-size: 10px;
    color: rgba(255,255,255,0.3);
    letter-spacing: 1px;
}

.product-card.layer1 .product-icon { background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(59, 130, 246,0.2)); color: #3b82f6; }
.product-card.layer2 .product-icon { background: linear-gradient(135deg, rgba(59, 130, 246,0.2), rgba(96, 165, 250,0.2)); color: #60a5fa; }
.product-card.layer3 .product-icon { background: linear-gradient(135deg, rgba(59, 130, 246,0.2), rgba(59, 130, 246,0.2)); color: #3b82f6; }

/* ========== CTA区域 ========== */
.cta-box {
    background: linear-gradient(135deg, rgba(59, 130, 246,0.15), rgba(59, 130, 246,0.1));
    border: 1px solid rgba(59, 130, 246,0.3);
    border-radius: 24px;
    padding: 64px;
    text-align: center;
}

.cta-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ========== 页脚 ========== */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: 64px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    margin: 16px 0;
    line-height: 1.7;
}

.footer-contact {
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    line-height: 2;
}

.footer-qrcodes {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.footer-qrcode {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: rgba(255,255,255,0.4);
    text-align: center;
}

.footer-col-title {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.footer-col-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col-link {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: color 0.2s;
    cursor: pointer;
}

.footer-col-link:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    text-align: center;
}

/* 响应式 */
@media (max-width: 1024px) {
    .nav-menu { display: none; }
    .hero-title { font-size: 48px; }
    .features-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .arch-box { grid-template-columns: 1fr; padding: 32px; }
    .arch-box::before { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hero-title { font-size: 36px; }
    .section-title { font-size: 28px; }
    .products-grid { grid-template-columns: 1fr; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .cta-box { padding: 40px 24px; }
    .cta-title { font-size: 28px; }
    .footer-grid { grid-template-columns: 1fr; }
}

/* ========== 邀请码弹窗样式 ========== */
.invite-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.invite-modal {
    background: rgba(20, 20, 30, 0.98);
    border: 1px solid rgba(59, 130, 246,0.3);
    border-radius: 20px;
    padding: 40px;
    width: 420px;
    max-width: 90vw;
    position: relative;
    box-shadow: 0 20px 60px rgba(59, 130, 246,0.2);
    animation: slideUp 0.3s ease;
}

.invite-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.invite-close:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.invite-title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #fff 0%, #bfdbfe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.invite-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 28px;
}

.invite-input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 12px;
    color: #fff;
    font-size: 15px;
    outline: none;
    transition: all 0.2s;
    margin-bottom: 12px;
}

.invite-input:focus {
    border-color: rgba(59, 130, 246,0.5);
    background: rgba(59, 130, 246,0.05);
    box-shadow: 0 0 0 3px rgba(59, 130, 246,0.1);
}

.invite-input::placeholder {
    color: rgba(255,255,255,0.3);
}

.invite-error {
    color: #f87171;
    font-size: 13px;
    margin-bottom: 20px;
    display: none;
}

.invite-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #3b82f6, #3b82f6);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 20px rgba(59, 130, 246,0.3);
}

.invite-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(59, 130, 246,0.4);
}

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

@media (max-width: 480px) {
    .invite-modal {
        padding: 32px 24px;
        margin: 20px;
    }
    .invite-title {
        font-size: 22px;
    }
}
/* 弹窗 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 20px;
}

.modal {
    background: #32323e;
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 24px;
    padding: 40px;
    max-width: 1000px;
    width: 100%;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.modal-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.modal-subtitle {
    color: rgba(255,255,255,0.5);
    font-size: 16px;
    margin-bottom: 32px;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.capability-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s;
}

.capability-card:hover:not(.disabled) {
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.05);
    transform: translateY(-4px);
}

.capability-card.active {
    border-color: rgba(59, 130, 246, 0.4);
}

.capability-card.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.cap-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #bfdbfe;
    margin-bottom: 16px;
}

.cap-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.cap-desc {
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    margin-bottom: 16px;
}

.cap-enter {
    color: #88adf2;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.cap-enter.coming-soon {
    color: rgba(255,255,255,0.4);
}

.modal-footer {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}

.link-primary {
    color: #88adf2;
    text-decoration: none;
    font-weight: 600;
}

.link-primary:hover {
    text-decoration: underline;
}
/* 登录弹窗 */
.login-modal {
    max-width: 440px;
    padding: 40px;
}

.login-tabs {
    display: flex;
    position: relative;
    margin-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.login-tab {
    flex: 1;
    text-align: center;
    padding: 16px 0;
    font-size: 22px;
    font-weight: 600;
    color: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: color 0.3s;
}

.login-tab.active {
    color: #fbbf24;
}

.login-tab-indicator {
    position: absolute;
    bottom: -1px;
    width: 100%;
    height: 3px;
    background: #fbbf24;
    border-radius: 2px;
    transition: left 0.3s;
    center: 100%;
}

.input-group {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    margin-bottom: 16px;
    padding: 0 16px;
}

.input-prefix {
    color: rgba(255,255,255,0.7);
    font-size: 16px;
    padding-right: 16px;
    border-right: 1px solid rgba(255,255,255,0.1);
    margin-right: 16px;
}

.input-group input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 16px;
    padding: 16px 0;
}

.input-group input::placeholder {
    color: rgba(255,255,255,0.4);
}

.btn-send-code {
    background: transparent;
    border: none;
    color: #d4a056;
    font-size: 15px;
    cursor: pointer;
    padding: 8px 0;
}

.btn-send-code:disabled {
    color: rgba(255,255,255,0.3);
    cursor: not-allowed;
}

.agreement {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    margin-bottom: 24px;
    cursor: pointer;
}

.agreement input {
    width: 18px;
    height: 18px;
    accent-color: #fbbf24;
}

.btn-login {
    width: 100%;
    padding: 16px;
    border-radius: 50px;
    background: linear-gradient(135deg, #fcd34d, #fbbf24);
    color: #000;
    font-size: 20px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.3);
}

.login-tip {
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    margin-top: 20px;
}
.contact-qr-grid {
    display: flex;
    gap: 24px;
    justify-content: center;
}
.contact-qr-item {
    text-align: center;
}
.contact-qr-img {
    width: 128px;
    height: 128px;
    border-radius: 12px;
    background: white;
    padding: 8px;
    margin-bottom: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}
.contact-qr-img img {
    width: 100%;
    height: 100%;
    border-radius: 6px;
    object-fit: cover;
    display: block;
}
.contact-qr-item span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}