/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 科技风配色 */
    --bg-dark: #0a0e27;
    --bg-card: #151932;
    --primary: #00d4ff;
    --primary-glow: rgba(0, 212, 255, 0.3);
    --secondary: #7b2cbf;
    --accent: #ff006e;
    --text-light: #e0e7ff;
    --text-dim: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif, 'Microsoft YaHei', '微软雅黑';
    line-height: 1.6;
    color: var(--text-light);
    background: var(--bg-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==================== 背景动画 ==================== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
    opacity: 0.3;
}

.bg-gradient {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, var(--primary-glow) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(123, 44, 191, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 20% 80%, rgba(255, 0, 110, 0.2) 0%, transparent 50%);
    animation: gradientRotate 15s ease-in-out infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

@keyframes gradientRotate {
    0%, 100% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(180deg);
    }
}

/* ==================== 导航栏 ==================== */
.navbar {
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px var(--primary-glow);
}

.lang-btn {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-btn:hover {
    background: var(--primary);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--primary-glow);
    transform: translateY(-2px);
}

/* ==================== Hero 区域 ==================== */
.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 6rem 0 4rem 0;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 3s ease-in-out infinite;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
    animation: fadeIn 1s ease-out 0.3s both;
}

@keyframes glow {
    0%, 100% {
        text-shadow: 0 0 20px var(--primary-glow);
    }
    50% {
        text-shadow: 0 0 40px var(--primary-glow);
    }
}

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

/* ==================== 搜索框 ==================== */
.search-container {
    max-width: 600px;
    margin: 2rem auto 0;
    animation: fadeIn 1s ease-out 0.5s both;
}

.search-box {
    position: relative;
    background: rgba(21, 25, 50, 0.6);
    border: 2px solid var(--border);
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 30px var(--primary-glow);
    background: rgba(21, 25, 50, 0.9);
}

.search-icon {
    color: var(--text-dim);
    flex-shrink: 0;
}

.search-input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-light);
    font-size: 1.1rem;
    padding: 0.8rem 0;
}

.search-input::placeholder {
    color: var(--text-dim);
}

/* ==================== 成交记录展示区 ==================== */
.records-showcase-section {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 4rem 0;
}

.records-showcase-section .container {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeIn 1s ease-out;
}

.records-carousel-wrapper {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.records-carousel {
    overflow: hidden;
    border-radius: 20px;
}

.records-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 2rem;
}

.record-card {
    flex: 0 0 calc(20% - 1.6rem);
    min-width: calc(20% - 1.6rem);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
}

.record-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 60px var(--primary-glow);
}

.record-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-glow), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

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

.record-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(255, 0, 255, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 3rem;
}

.record-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.record-content {
    padding: 1.5rem;
}

.record-salesman {
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.record-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--text-light);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.record-description {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 轮播按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    color: var(--text-light);
}

.carousel-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 30px var(--primary-glow);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn-prev {
    left: 0;
}

.carousel-btn-next {
    right: 0;
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

/* 轮播指示点 */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot:hover {
    background: var(--text-dim);
}

.carousel-dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: 5px;
}

/* ==================== 业务员卡片区域 ==================== */
.salesmen-section {
    min-height: 100vh;
    padding: 4rem 0;
    position: relative;
}

.salesmen-grid {
    column-count: 3;
    column-gap: 2rem;
    margin-top: 2rem;
}

.salesman-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    animation: cardFadeIn 0.6s ease-out both;
    break-inside: avoid;
    margin-bottom: 2rem;
    display: inline-block;
    width: 100%;
}

.salesman-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 20px 60px var(--primary-glow);
}

.salesman-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-glow), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

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

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card-avatar {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    font-weight: 900;
    color: white;
}

.card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-content {
    padding: 2rem;
}

.card-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, var(--primary), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-scopes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.card-scope {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid;
    transition: all 0.3s ease;
}

.card-scope.scope-primary {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    border-color: #00d4ff;
}

.card-scope.scope-secondary {
    background: rgba(138, 43, 226, 0.1);
    color: #8a2be2;
    border-color: #8a2be2;
}

.card-scope.scope-success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border-color: #10b981;
}

.card-scope.scope-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border-color: #f59e0b;
}

.card-scope.scope-info {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border-color: #3b82f6;
}

.card-scope.scope-purple {
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
    border-color: #a855f7;
}

.card-description {
    color: var(--text-dim);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.card-records {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.card-records svg {
    color: var(--primary);
}

.card-view-btn {
    background: var(--primary);
    color: var(--bg-dark);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.card-view-btn:hover {
    box-shadow: 0 0 20px var(--primary-glow);
    transform: translateX(5px);
}

/* ==================== 加载和空状态 ==================== */
.loading,
.no-results {
    text-align: center;
    padding: 4rem;
    color: var(--text-dim);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(0, 212, 255, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-more {
    text-align: center;
    padding: 2rem;
    color: var(--text-dim);
    display: none;
}

.loading-more.show {
    display: block;
}

.loading-more .loading-spinner {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

.no-more {
    text-align: center;
    padding: 2rem;
    color: var(--text-dim);
    font-size: 0.9rem;
    display: none;
}

.no-more.show {
    display: block;
}

.no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem 0;
}

.no-results svg {
    color: var(--text-dim);
    width: 48px;
    height: 48px;
}

.no-results p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* ==================== 联系表单 ==================== */
.contact-section {
    padding: 1rem 0 4rem;
    margin-top: -25rem;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3rem;
    max-width: 700px;
    margin: 0 auto;
    animation: fadeIn 0.6s ease-out;
}

.contact-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-title-zh,
.contact-title-en {
    display: block;
}

.lang-zh .contact-title-en,
.lang-en .contact-title-zh {
    display: none;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-light);
    font-size: 1rem;
}

.label-zh,
.label-en,
.btn-zh,
.btn-en,
.refresh-zh,
.refresh-en {
    display: inline;
}

.lang-zh .label-en,
.lang-zh .btn-en,
.lang-zh .refresh-en,
.lang-en .label-zh,
.lang-en .btn-zh,
.lang-en .refresh-zh {
    display: none;
}

.form-group select,
.form-group input,
.form-group textarea {
    padding: 0.8rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2300d4ff' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text-light);
    padding: 0.8rem;
    font-size: 1rem;
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    padding: 1rem 2rem;
    background: var(--primary);
    color: var(--bg-dark);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.submit-btn:hover {
    background: #0099cc;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px var(--primary-glow);
}

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

/* 验证码样式 */
.captcha-input-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.captcha-input-wrapper input {
    flex: 1;
    max-width: 150px;
}

.captcha-display {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.05));
    border: 2px solid var(--primary);
    border-radius: 8px;
    padding: 0.8rem 1.5rem;
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.3rem;
    color: var(--primary);
    text-align: center;
    min-width: 150px;
    font-family: 'Courier New', monospace;
    user-select: none;
    cursor: default;
}

.captcha-refresh-btn {
    padding: 0.8rem 1.5rem;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.captcha-refresh-btn:hover {
    background: var(--primary);
    color: var(--bg-dark);
    transform: translateY(-2px);
}

.form-message {
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    margin-top: 1rem;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ==================== 页脚 ==================== */
.footer {
    background: rgba(10, 14, 39, 0.8);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-dim);
    margin-top: 4rem;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .salesmen-grid {
        column-count: 2;
    }

    .record-card {
        flex: 0 0 calc(25% - 1.5rem);
        min-width: calc(25% - 1.5rem);
    }

    .records-carousel-wrapper {
        padding: 0 50px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .salesmen-grid {
        column-count: 1;
    }

    .section-title {
        font-size: 2rem;
    }

    .record-card {
        flex: 0 0 calc(50% - 1rem);
        min-width: calc(50% - 1rem);
    }

    .records-carousel-wrapper {
        padding: 0 40px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .record-image {
        height: 150px;
    }

    .record-content {
        padding: 1rem;
    }

    .record-title {
        font-size: 1rem;
    }

    .record-description {
        font-size: 0.85rem;
    }
}

    .container {
        padding: 0 1rem;
    }

    .nav-brand h1 {
        font-size: 1.4rem;
    }

    .lang-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .search-box {
        padding: 0.4rem 1rem;
    }

    .search-input {
        font-size: 1rem;
    }
}