/* ====== 盛唐名鉴 - 样式表 ====== */
:root {
    --tang-red: #8B1A1A;
    --tang-deep-red: #5C0A0A;
    --tang-gold: #C5A35A;
    --tang-light-gold: #E8D5A3;
    --tang-bright-gold: #FFD700;
    --tang-cream: #F5E6C8;
    --tang-brown: #3E2723;
    --tang-dark: #1A0A0A;
    --tang-text: #E8D5A3;
    --tang-muted: #B8A07A;
    --tang-border: rgba(197, 163, 90, 0.3);
    --tang-card-bg: rgba(62, 39, 35, 0.6);
    --font-brush: 'Ma Shan Zheng', cursive;
    --font-serif: 'Noto Serif SC', '宋体', serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-serif);
    background:
        radial-gradient(ellipse at 20% 10%, rgba(139, 26, 26, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 30%, rgba(197, 163, 90, 0.06) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 60%, rgba(92, 10, 10, 0.10) 0%, transparent 50%),
        radial-gradient(ellipse at 30% 90%, rgba(139, 26, 26, 0.08) 0%, transparent 45%),
        linear-gradient(180deg, #1C0E0A 0%, #18090A 40%, #150808 70%, #1A0C08 100%);
    color: var(--tang-text);
    line-height: 1.8;
    min-height: 100vh;
    position: relative;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ====== 导航栏 ====== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 10, 10, 0.95);
    border-bottom: 1px solid var(--tang-border);
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 65px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--tang-red), var(--tang-deep-red));
    color: var(--tang-bright-gold);
    font-family: var(--font-brush);
    font-size: 22px;
    border: 1px solid var(--tang-gold);
    border-radius: 4px;
}

.brand-text {
    font-family: var(--font-brush);
    font-size: 22px;
    color: var(--tang-gold);
    letter-spacing: 4px;
}

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

.nav-links a {
    color: var(--tang-muted);
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 2px;
    transition: color 0.3s;
}

.nav-links a:hover { color: var(--tang-gold); }

.mobile-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--tang-border);
    color: var(--tang-gold);
    font-size: 20px;
    padding: 5px 10px;
    cursor: pointer;
}

/* ====== 首页横幅 ====== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: transparent;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 100px,
            rgba(197, 163, 90, 0.025) 100px,
            rgba(197, 163, 90, 0.025) 101px
        ),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 100px,
            rgba(197, 163, 90, 0.03) 100px,
            rgba(197, 163, 90, 0.03) 101px
        );
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 40px 20px;
}

.hero-title {
    font-family: var(--font-brush);
    font-size: 64px;
    color: var(--tang-bright-gold);
    letter-spacing: 20px;
    margin-bottom: 20px;
    text-shadow: 0 0 40px rgba(255, 215, 0, 0.2);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--tang-gold);
    letter-spacing: 8px;
    margin-bottom: 15px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-desc {
    max-width: 600px;
    margin: 0 auto 40px;
    color: var(--tang-muted);
    font-size: 15px;
    letter-spacing: 1px;
    line-height: 2;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s both;
}

.tang-pattern {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 200px;
    height: 400px;
    opacity: 0.05;
    background: repeating-linear-gradient(
        45deg,
        var(--tang-gold),
        var(--tang-gold) 2px,
        transparent 2px,
        transparent 20px
    );
}

.tang-pattern.left { left: 5%; }
.tang-pattern.right { right: 5%; }

/* ====== 通用按钮 ====== */
.btn {
    display: inline-block;
    padding: 12px 36px;
    font-family: var(--font-serif);
    font-size: 15px;
    letter-spacing: 3px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--tang-red), var(--tang-deep-red));
    color: var(--tang-light-gold);
    border: 1px solid var(--tang-gold);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #A02020, var(--tang-red));
    box-shadow: 0 0 20px rgba(197, 163, 90, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--tang-gold);
    border: 1px solid var(--tang-gold);
}

.btn-secondary:hover {
    background: rgba(197, 163, 90, 0.1);
}

.btn-submit {
    display: block;
    width: 100%;
    padding: 16px;
    margin-top: 25px;
    background: linear-gradient(135deg, var(--tang-red), var(--tang-deep-red));
    color: var(--tang-light-gold);
    border: 1px solid var(--tang-gold);
    font-size: 16px;
    letter-spacing: 6px;
    cursor: pointer;
    font-family: var(--font-serif);
    transition: all 0.3s;
}

.btn-submit:hover {
    background: linear-gradient(135deg, #A02020, var(--tang-red));
    box-shadow: 0 0 25px rgba(197, 163, 90, 0.3);
}

/* ====== 通用区块 ====== */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-family: var(--font-brush);
    font-size: 36px;
    color: var(--tang-gold);
    letter-spacing: 8px;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--tang-muted);
    font-size: 14px;
    letter-spacing: 2px;
}

/* ====== 表单 ====== */
.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
    background: var(--tang-card-bg);
    border: 1px solid var(--tang-border);
    border-radius: 4px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 14px;
    color: var(--tang-gold);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.required { color: #E57373; }

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(26, 10, 10, 0.6);
    border: 1px solid var(--tang-border);
    color: var(--tang-text);
    font-size: 15px;
    font-family: var(--font-serif);
    border-radius: 3px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--tang-gold);
}

.form-group input::placeholder {
    color: rgba(184, 160, 122, 0.5);
}

.date-input {
    padding: 12px 16px;
    background: rgba(26, 10, 10, 0.6);
    border: 1px solid var(--tang-border);
    color: var(--tang-muted);
    font-size: 15px;
    cursor: pointer;
    border-radius: 3px;
    transition: border-color 0.3s;
    min-height: 46px;
    display: flex;
    align-items: center;
}

.date-input:hover { border-color: var(--tang-gold); }

.date-input.has-date {
    color: var(--tang-light-gold);
    border-color: var(--tang-gold);
}

/* ====== 模态框 ====== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-box {
    background: var(--tang-brown);
    border: 1px solid var(--tang-gold);
    border-radius: 6px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--tang-border);
}

.modal-header h3 {
    font-family: var(--font-brush);
    font-size: 22px;
    color: var(--tang-gold);
    letter-spacing: 4px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--tang-muted);
    font-size: 20px;
    cursor: pointer;
}

.modal-close:hover { color: var(--tang-gold); }

.modal-body { padding: 25px; }

.picker-section {
    margin-bottom: 20px;
}

.picker-section h4 {
    color: var(--tang-gold);
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.picker-scroll {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 150px;
    overflow-y: auto;
    padding: 5px;
}

.picker-item {
    padding: 6px 14px;
    background: rgba(26, 10, 10, 0.5);
    border: 1px solid rgba(197, 163, 90, 0.2);
    color: var(--tang-muted);
    font-size: 13px;
    cursor: pointer;
    border-radius: 3px;
    transition: all 0.2s;
}

.picker-item:hover {
    border-color: var(--tang-gold);
    color: var(--tang-gold);
}

.picker-item.active {
    background: var(--tang-red);
    border-color: var(--tang-gold);
    color: var(--tang-light-gold);
}

.modal-footer {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    padding: 15px 25px;
    border-top: 1px solid var(--tang-border);
}

/* ====== 结果区域 ====== */
.result-area {
    max-width: 900px;
    margin: 40px auto 0;
}

.loading {
    text-align: center;
    padding: 60px 20px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    border: 3px solid var(--tang-border);
    border-top-color: var(--tang-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading p {
    color: var(--tang-muted);
    font-size: 15px;
    letter-spacing: 2px;
}

.result-card {
    background: var(--tang-card-bg);
    border: 1px solid var(--tang-border);
    padding: 30px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.result-card h3 {
    font-family: var(--font-brush);
    font-size: 22px;
    color: var(--tang-gold);
    letter-spacing: 4px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--tang-border);
}

.result-card h4 {
    color: var(--tang-light-gold);
    font-size: 15px;
    letter-spacing: 2px;
    margin: 20px 0 10px;
}

/* 总评分 */
.total-score {
    text-align: center;
    padding: 35px;
    margin: 20px 0;
    border: 2px solid var(--tang-gold);
    background: rgba(139, 26, 26, 0.15);
    border-radius: 4px;
}

.total-score .number {
    font-family: var(--font-brush);
    font-size: 64px;
    color: var(--tang-bright-gold);
    line-height: 1;
}

.total-score .label {
    font-size: 14px;
    color: var(--tang-muted);
    margin-top: 8px;
    letter-spacing: 3px;
}

.total-score .level {
    display: inline-block;
    margin-top: 10px;
    padding: 4px 20px;
    font-size: 14px;
    letter-spacing: 3px;
    border: 1px solid var(--tang-gold);
    color: var(--tang-light-gold);
}

/* 五格展示 */
.wuge-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin: 20px 0;
}

.wuge-item {
    text-align: center;
    padding: 18px 10px;
    background: rgba(26, 10, 10, 0.5);
    border: 1px solid rgba(197, 163, 90, 0.15);
    border-radius: 4px;
}

.wuge-name {
    font-size: 13px;
    color: var(--tang-muted);
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.wuge-num {
    font-family: var(--font-brush);
    font-size: 32px;
    color: var(--tang-gold);
    line-height: 1.2;
}

.wuge-wuxing {
    font-size: 12px;
    color: var(--tang-light-gold);
    margin-top: 3px;
}

.wuge-lucky {
    display: inline-block;
    margin-top: 8px;
    padding: 2px 10px;
    font-size: 11px;
    border-radius: 2px;
    letter-spacing: 1px;
}

.wuge-lucky.da-ji { background: rgba(218, 165, 32, 0.3); color: #FFD700; border: 1px solid rgba(255, 215, 0, 0.5); }
.wuge-lucky.ji { background: rgba(76, 175, 80, 0.2); color: #81C784; border: 1px solid rgba(76, 175, 80, 0.4); }
.wuge-lucky.ban-ji { background: rgba(129, 199, 132, 0.15); color: #A5D6A7; border: 1px solid rgba(129, 199, 132, 0.3); }
.wuge-lucky.ping { background: rgba(158, 158, 158, 0.2); color: #BDBDBD; border: 1px solid rgba(158, 158, 158, 0.3); }
.wuge-lucky.xiong { background: rgba(244, 67, 54, 0.15); color: #E57373; border: 1px solid rgba(244, 67, 54, 0.3); }

.wuge-meaning {
    font-size: 12px;
    color: var(--tang-muted);
    margin-top: 5px;
    line-height: 1.5;
}

/* 评分 */
.score-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin: 20px 0;
}

.score-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: rgba(26, 10, 10, 0.5);
    border: 1px solid rgba(197, 163, 90, 0.15);
    border-radius: 3px;
}

.score-label {
    font-size: 13px;
    color: var(--tang-muted);
    min-width: 60px;
}

.score-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1s ease;
    background: linear-gradient(90deg, var(--tang-red), var(--tang-gold));
}

.score-value {
    font-size: 16px;
    color: var(--tang-gold);
    font-weight: 600;
    min-width: 30px;
    text-align: right;
}

/* 三才 */
.sancai-display {
    text-align: center;
    padding: 25px;
    margin: 15px 0;
    background: rgba(26, 10, 10, 0.4);
    border: 1px solid var(--tang-border);
    border-radius: 4px;
}

.sancai-config {
    font-family: var(--font-brush);
    font-size: 36px;
    color: var(--tang-bright-gold);
    letter-spacing: 15px;
}

.sancai-lucky {
    display: inline-block;
    margin: 10px 0;
    padding: 4px 20px;
    font-size: 14px;
    letter-spacing: 3px;
}

.sancai-desc {
    color: var(--tang-muted);
    font-size: 14px;
    line-height: 2;
    max-width: 600px;
    margin: 0 auto;
}

/* 信息行 */
.info-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 15px 0;
}

.info-item {
    padding: 8px 16px;
    background: rgba(139, 26, 26, 0.15);
    border: 1px solid rgba(197, 163, 90, 0.2);
    font-size: 14px;
    border-radius: 3px;
}

.info-item .label {
    color: var(--tang-muted);
    margin-right: 8px;
}

.info-item .value {
    color: var(--tang-light-gold);
}

/* 建议 */
.advice-list {
    list-style: none;
    margin: 15px 0;
}

.advice-list li {
    padding: 10px 0;
    padding-left: 20px;
    border-bottom: 1px solid rgba(197, 163, 90, 0.1);
    color: var(--tang-muted);
    font-size: 14px;
    position: relative;
    line-height: 1.8;
}

.advice-list li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--tang-gold);
    font-size: 8px;
    top: 14px;
}

/* 推荐结果卡片 */
.rec-card {
    background: var(--tang-card-bg);
    border: 1px solid var(--tang-border);
    padding: 25px;
    margin-bottom: 15px;
    border-radius: 4px;
    display: flex;
    gap: 25px;
    align-items: flex-start;
}

.rec-name {
    text-align: center;
    min-width: 120px;
}

.rec-name .full-name {
    font-family: var(--font-brush);
    font-size: 36px;
    color: var(--tang-bright-gold);
    letter-spacing: 6px;
}

.rec-name .score {
    font-size: 24px;
    color: var(--tang-gold);
    font-weight: 700;
    margin-top: 5px;
}

.rec-name .level-tag {
    display: inline-block;
    margin-top: 5px;
    padding: 2px 12px;
    font-size: 12px;
    border: 1px solid var(--tang-gold);
    color: var(--tang-light-gold);
    border-radius: 2px;
}

.rec-details {
    flex: 1;
}

.rec-details .rec-scores {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.rec-details .rec-score-item {
    padding: 4px 12px;
    background: rgba(26, 10, 10, 0.5);
    border: 1px solid rgba(197, 163, 90, 0.15);
    font-size: 12px;
    color: var(--tang-muted);
    border-radius: 2px;
}

.rec-details .rec-score-item span {
    color: var(--tang-gold);
    margin-left: 5px;
}

.rec-advice {
    color: var(--tang-muted);
    font-size: 13px;
    line-height: 1.8;
}

/* ====== 文化区块 ====== */
.culture-section {
    background:
        radial-gradient(ellipse at 50% 50%, rgba(139, 26, 26, 0.06) 0%, transparent 60%),
        transparent;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.culture-card {
    background: var(--tang-card-bg);
    border: 1px solid var(--tang-border);
    padding: 30px;
    border-radius: 4px;
}

.culture-card h3 {
    font-family: var(--font-brush);
    font-size: 22px;
    color: var(--tang-gold);
    letter-spacing: 3px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--tang-border);
}

.culture-card p {
    color: var(--tang-muted);
    font-size: 14px;
    line-height: 2;
    margin-bottom: 15px;
}

.culture-card ul {
    list-style: none;
}

.culture-card li {
    padding: 6px 0;
    color: var(--tang-muted);
    font-size: 13px;
    border-bottom: 1px solid rgba(197, 163, 90, 0.08);
}

.culture-card li:last-child { border-bottom: none; }
.culture-card li strong { color: var(--tang-light-gold); }

/* ====== 底部 ====== */
.footer {
    background: rgba(10, 5, 5, 0.8);
    border-top: 1px solid var(--tang-border);
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.footer-brand h3 {
    font-family: var(--font-brush);
    font-size: 24px;
    color: var(--tang-gold);
    letter-spacing: 4px;
    margin-bottom: 5px;
}

.footer-brand p {
    color: var(--tang-muted);
    font-size: 13px;
    letter-spacing: 2px;
}

.footer-links p {
    color: var(--tang-muted);
    font-size: 13px;
    text-align: right;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(197, 163, 90, 0.1);
}

.footer-bottom p {
    color: var(--tang-muted);
    font-size: 12px;
    letter-spacing: 1px;
}

/* ====== 动画 ====== */
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ====== 响应式 ====== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 65px;
        left: 0;
        right: 0;
        background: rgba(26, 10, 10, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-bottom: 1px solid var(--tang-border);
    }

    .nav-links.active { display: flex; }
    .mobile-menu-btn { display: block; }

    .hero-title { font-size: 40px; letter-spacing: 10px; }
    .hero-subtitle { font-size: 14px; letter-spacing: 4px; }
    .hero-actions { flex-direction: column; align-items: center; }

    .form-row { flex-direction: column; gap: 15px; }
    .form-wrapper { padding: 25px 20px; }

    .wuge-grid { grid-template-columns: repeat(3, 1fr); }

    .score-grid { grid-template-columns: 1fr; }

    .rec-card { flex-direction: column; text-align: center; }

    .footer-content { flex-direction: column; text-align: center; gap: 20px; }
    .footer-links p { text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 32px; letter-spacing: 8px; }
    .wuge-grid { grid-template-columns: repeat(2, 1fr); }
    .culture-grid { grid-template-columns: 1fr; }
}

/* ====== 测算区块背景 ====== */
.analyze-section {
    background:
        radial-gradient(ellipse at 30% 20%, rgba(139, 26, 26, 0.08) 0%, transparent 50%),
        transparent;
}

.recommend-section {
    background:
        radial-gradient(ellipse at 70% 50%, rgba(197, 163, 90, 0.06) 0%, transparent 50%),
        transparent;
}

/* 滚动条美化 */
.picker-scroll::-webkit-scrollbar {
    width: 6px;
}

.picker-scroll::-webkit-scrollbar-track {
    background: rgba(26, 10, 10, 0.5);
}

.picker-scroll::-webkit-scrollbar-thumb {
    background: var(--tang-border);
    border-radius: 3px;
}

.modal-box::-webkit-scrollbar {
    width: 6px;
}

.modal-box::-webkit-scrollbar-track {
    background: var(--tang-brown);
}

.modal-box::-webkit-scrollbar-thumb {
    background: var(--tang-border);
    border-radius: 3px;
}

/* ====== 全局背景层 ====== */
.bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -10;
    pointer-events: none;
    overflow: hidden;
}

/* 祥云暗纹底 */
.bg-clouds {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.03;
    background:
        radial-gradient(ellipse 80px 40px at 15% 20%, var(--tang-gold), transparent),
        radial-gradient(ellipse 60px 30px at 45% 45%, var(--tang-gold), transparent),
        radial-gradient(ellipse 90px 45px at 75% 30%, var(--tang-gold), transparent),
        radial-gradient(ellipse 70px 35px at 25% 70%, var(--tang-gold), transparent),
        radial-gradient(ellipse 85px 42px at 65% 75%, var(--tang-gold), transparent),
        radial-gradient(ellipse 55px 28px at 85% 60%, var(--tang-gold), transparent),
        radial-gradient(ellipse 75px 38px at 10% 85%, var(--tang-gold), transparent),
        radial-gradient(ellipse 65px 32px at 55% 15%, var(--tang-gold), transparent),
        radial-gradient(ellipse 80px 40px at 90% 90%, var(--tang-gold), transparent),
        radial-gradient(ellipse 50px 25px at 35% 55%, var(--tang-gold), transparent);
}

/* 回纹网格底 */
.bg-lattice {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.015;
    background:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 59px,
            var(--tang-gold) 59px,
            var(--tang-gold) 60px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 59px,
            var(--tang-gold) 59px,
            var(--tang-gold) 60px
        );
}

/* 晕影遮罩 */
.bg-vignette {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(10, 5, 3, 0.5) 100%);
}

/* ====== 浮动祥云装饰 ====== */
.deco-cloud {
    position: fixed;
    z-index: -5;
    pointer-events: none;
    opacity: 0.04;
}

.deco-cloud-1 {
    width: 400px;
    height: 200px;
    top: 10%;
    left: -5%;
    background: radial-gradient(ellipse, var(--tang-gold) 0%, transparent 70%);
    animation: floatCloud 25s ease-in-out infinite;
}

.deco-cloud-2 {
    width: 350px;
    height: 180px;
    top: 35%;
    right: -8%;
    background: radial-gradient(ellipse, var(--tang-red) 0%, transparent 70%);
    animation: floatCloud 30s ease-in-out infinite reverse;
}

.deco-cloud-3 {
    width: 500px;
    height: 250px;
    top: 60%;
    left: 10%;
    background: radial-gradient(ellipse, var(--tang-gold) 0%, transparent 70%);
    animation: floatCloud 35s ease-in-out infinite 5s;
}

.deco-cloud-4 {
    width: 300px;
    height: 150px;
    top: 80%;
    right: 5%;
    background: radial-gradient(ellipse, var(--tang-red) 0%, transparent 70%);
    animation: floatCloud 28s ease-in-out infinite 10s;
}

@keyframes floatCloud {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -15px) scale(1.05); }
    50% { transform: translate(-20px, 10px) scale(0.95); }
    75% { transform: translate(15px, 20px) scale(1.02); }
}

/* ====== 首页横幅增强 ====== */
.hero {
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        /* 回字纹暗底 */
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 100px,
            rgba(197, 163, 90, 0.025) 100px,
            rgba(197, 163, 90, 0.025) 101px
        ),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 100px,
            rgba(197, 163, 90, 0.025) 100px,
            rgba(197, 163, 90, 0.025) 101px
        ),
        /* 大面积红色渐变氛围 */
        radial-gradient(ellipse at 50% 30%, rgba(139, 26, 26, 0.2) 0%, transparent 60%),
        radial-gradient(ellipse at 20% 80%, rgba(197, 163, 90, 0.06) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 20%, rgba(92, 10, 10, 0.15) 0%, transparent 50%);
}

/* 山水剪影 */
.hero-mountain {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(175deg, transparent 40%,
            rgba(26, 10, 10, 0.3) 40%,
            rgba(26, 10, 10, 0.6) 60%,
            rgba(26, 10, 10, 0.9) 100%),
        /* 远山轮廓 */
        radial-gradient(ellipse 60% 80% at 15% 100%, rgba(92, 10, 10, 0.3) 0%, transparent 60%),
        radial-gradient(ellipse 50% 70% at 35% 100%, rgba(62, 39, 35, 0.25) 0%, transparent 55%),
        radial-gradient(ellipse 70% 90% at 55% 100%, rgba(92, 10, 10, 0.2) 0%, transparent 65%),
        radial-gradient(ellipse 45% 60% at 75% 100%, rgba(62, 39, 35, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse 55% 75% at 90% 100%, rgba(92, 10, 10, 0.2) 0%, transparent 60%);
}

/* 灯笼装饰 */
.hero-lanterns {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.lantern {
    position: absolute;
    border-radius: 50%;
    filter: blur(1px);
}

.lantern::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 20px;
    background: rgba(197, 163, 90, 0.3);
}

.lantern::after {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 200, 100, 0.4) 0%, rgba(200, 80, 30, 0.2) 60%, transparent 100%);
}

.lantern-1 {
    width: 30px;
    height: 40px;
    top: 15%;
    left: 12%;
    background: radial-gradient(ellipse, rgba(200, 60, 30, 0.6) 0%, rgba(139, 26, 26, 0.4) 60%, transparent 100%);
    animation: lanternSway 6s ease-in-out infinite;
    box-shadow: 0 0 30px rgba(200, 80, 30, 0.15), 0 0 60px rgba(200, 80, 30, 0.08);
}

.lantern-2 {
    width: 24px;
    height: 32px;
    top: 20%;
    right: 15%;
    background: radial-gradient(ellipse, rgba(200, 60, 30, 0.5) 0%, rgba(139, 26, 26, 0.3) 60%, transparent 100%);
    animation: lanternSway 7s ease-in-out infinite 1s;
    box-shadow: 0 0 25px rgba(200, 80, 30, 0.12), 0 0 50px rgba(200, 80, 30, 0.06);
}

.lantern-3 {
    width: 20px;
    height: 28px;
    top: 10%;
    right: 35%;
    background: radial-gradient(ellipse, rgba(200, 60, 30, 0.4) 0%, rgba(139, 26, 26, 0.25) 60%, transparent 100%);
    animation: lanternSway 8s ease-in-out infinite 2s;
    box-shadow: 0 0 20px rgba(200, 80, 30, 0.1), 0 0 40px rgba(200, 80, 30, 0.05);
}

@keyframes lanternSway {
    0%, 100% { transform: rotate(0deg) translateY(0); }
    25% { transform: rotate(3deg) translateY(-5px); }
    75% { transform: rotate(-3deg) translateY(3px); }
}

/* 主内容框 */
.hero-frame {
    position: relative;
    padding: 50px 60px;
    border: 1px solid rgba(197, 163, 90, 0.2);
    background: rgba(26, 10, 10, 0.3);
    backdrop-filter: blur(5px);
}

.hero-frame::before,
.hero-frame::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    border-color: var(--tang-gold);
    border-style: solid;
    opacity: 0.5;
}

.hero-frame::before {
    top: -1px;
    left: -1px;
    border-width: 2px 0 0 2px;
}

.hero-frame::after {
    bottom: -1px;
    right: -1px;
    border-width: 0 2px 2px 0;
}

/* 标题装饰线 */
.hero-ornament {
    width: 120px;
    height: 1px;
    margin: 15px auto 20px;
    background: linear-gradient(90deg, transparent, var(--tang-gold), transparent);
    position: relative;
}

.hero-ornament::before {
    content: '◆';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8px;
    color: var(--tang-gold);
    background: rgba(26, 10, 10, 0.8);
    padding: 0 10px;
}

/* 左右装饰纹样增强 */
.tang-pattern {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 180px;
    height: 500px;
    opacity: 0.04;
}

.tang-pattern.left {
    left: 3%;
    background:
        /* 回纹 */
        repeating-linear-gradient(
            0deg,
            var(--tang-gold) 0px,
            var(--tang-gold) 2px,
            transparent 2px,
            transparent 20px
        ),
        repeating-linear-gradient(
            90deg,
            var(--tang-gold) 0px,
            var(--tang-gold) 2px,
            transparent 2px,
            transparent 20px
        );
}

.tang-pattern.right {
    right: 3%;
    background:
        /* 祥云纹 */
        radial-gradient(circle 15px at 20px 20px, transparent 12px, var(--tang-gold) 12px, var(--tang-gold) 14px, transparent 14px),
        radial-gradient(circle 12px at 50px 35px, transparent 9px, var(--tang-gold) 9px, var(--tang-gold) 11px, transparent 11px),
        radial-gradient(circle 15px at 30px 60px, transparent 12px, var(--tang-gold) 12px, var(--tang-gold) 14px, transparent 14px);
    background-size: 70px 80px;
}

/* ====== 波浪分隔线 ====== */
.section-divider {
    height: 40px;
    position: relative;
    overflow: hidden;
    margin: 0;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(197, 163, 90, 0.15) 15%,
        rgba(197, 163, 90, 0.4) 50%,
        rgba(197, 163, 90, 0.15) 85%,
        transparent 100%
    );
}

.section-divider::after {
    content: '❖';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--tang-gold);
    font-size: 10px;
    opacity: 0.5;
    background: #18090A;
    padding: 0 20px;
    letter-spacing: 2px;
}

/* ====== 导航栏增强 ====== */
.navbar {
    background: rgba(26, 10, 10, 0.92);
    border-bottom: 1px solid var(--tang-border);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(197, 163, 90, 0.3) 20%,
        rgba(197, 163, 90, 0.5) 50%,
        rgba(197, 163, 90, 0.3) 80%,
        transparent
    );
}

/* ====== 底部增强 ====== */
.footer {
    background:
        linear-gradient(180deg, rgba(26, 10, 10, 0.6) 0%, rgba(10, 5, 5, 0.95) 100%);
    border-top: 1px solid var(--tang-border);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(197, 163, 90, 0.3) 20%,
        rgba(197, 163, 90, 0.5) 50%,
        rgba(197, 163, 90, 0.3) 80%,
        transparent
    );
}

/* ====== 表单卡片增强 ====== */
.form-wrapper {
    position: relative;
}

.form-wrapper::before,
.form-wrapper::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    border-color: rgba(197, 163, 90, 0.25);
    border-style: solid;
}

.form-wrapper::before {
    top: -1px;
    left: -1px;
    border-width: 2px 0 0 2px;
}

.form-wrapper::after {
    bottom: -1px;
    right: -1px;
    border-width: 0 2px 2px 0;
}

/* ====== 区块标题装饰 ====== */
.section-header h2 {
    position: relative;
    display: inline-block;
}

.section-header h2::before,
.section-header h2::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--tang-gold));
}

.section-header h2::before {
    right: calc(100% + 15px);
    background: linear-gradient(90deg, transparent, var(--tang-gold));
}

.section-header h2::after {
    left: calc(100% + 15px);
    background: linear-gradient(90deg, var(--tang-gold), transparent);
}

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

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ====== 响应式补充 ====== */
@media (max-width: 768px) {
    .hero-frame {
        padding: 30px 20px;
    }

    .deco-cloud { display: none; }

    .lantern { display: none; }

    .section-divider::after {
        padding: 0 10px;
    }

    .section-header h2::before,
    .section-header h2::after {
        width: 30px;
    }

    .tang-pattern { display: none; }

    .hero-mountain { height: 100px; }
}