/* ==================== 基础重置 ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #0C447C;
    --color-primary-light: #185FA5;
    --color-primary-dark: #042C53;
    --color-gold: #BA7517;
    --color-gold-light: #EF9F27;
    --color-bg: #f5f7fa;
    --color-bg-alt: #eef2f7;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-white: #ffffff;
    --color-border: #e0e5ec;
    --color-success: #2e9e5b;
    --color-danger: #d94a4a;
    --shadow-sm: 0 2px 8px rgba(12, 68, 124, 0.08);
    --shadow-md: 0 4px 20px rgba(12, 68, 124, 0.12);
    --shadow-lg: 0 8px 40px rgba(12, 68, 124, 0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== 顶部导航栏 ==================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(4, 44, 83, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

.site-header.scrolled {
    background: rgba(4, 44, 83, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.company-tag {
    font-size: 11px;
    color: var(--color-gold-light);
    letter-spacing: 1px;
}

.main-nav ul {
    display: flex;
    gap: 8px;
}

.main-nav li a {
    display: block;
    padding: 8px 16px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.main-nav li a:hover {
    color: var(--color-white);
    background: rgba(239, 159, 39, 0.15);
}

.main-nav li a.active {
    color: var(--color-white);
    background: var(--color-gold-light);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-toggle.open span:nth-child(2) {
    opacity: 0;
}
.mobile-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ==================== Banner 区域 ==================== */
.banner {
    position: relative;
    padding: 130px 0 100px;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(239, 159, 39, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(24, 95, 165, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: 2px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.banner-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    letter-spacing: 1px;
}

.banner-notice {
    max-width: 900px;
    margin: 0 auto 32px;
    padding: 24px 32px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(239, 159, 39, 0.3);
    border-radius: var(--radius-md);
    backdrop-filter: blur(5px);
}

.banner-notice p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 2;
    text-align: justify;
}

.banner-tags {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 6px 18px;
    font-size: 13px;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.tag-gold {
    background: var(--color-gold-light);
    color: var(--color-white);
}

.tag-blue {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.tag-outline {
    border: 1px solid rgba(239, 159, 39, 0.5);
    color: var(--color-gold-light);
    background: transparent;
}

.banner-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: var(--color-bg);
    clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 60%);
}

/* ==================== 通用 Section ==================== */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-gold-light);
    border-radius: 2px;
}

.section-desc {
    font-size: 15px;
    color: var(--color-text-light);
    margin-top: 16px;
}

/* ==================== 检索区域 ==================== */
.search-section {
    padding: 80px 0;
    background: var(--color-bg);
}

.search-box-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    gap: 12px;
    padding: 8px;
    background: var(--color-white);
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.search-box:focus-within {
    box-shadow: 0 4px 30px rgba(12, 68, 124, 0.2);
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    padding: 16px 24px;
    font-size: 16px;
    background: transparent;
    color: var(--color-text);
}

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

.search-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.search-btn:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(12, 68, 124, 0.3);
}

.search-hints {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.search-hints > span {
    font-size: 13px;
    color: var(--color-text-muted);
}

.hint-chip {
    padding: 5px 16px;
    font-size: 13px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition);
}

.hint-chip:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.search-results {
    max-width: 800px;
    margin: 40px auto 0;
}

.result-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 16px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    animation: fadeInUp 0.4s ease;
}

.result-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.result-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.result-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.5;
}

.result-badge {
    flex-shrink: 0;
    padding: 3px 12px;
    font-size: 12px;
    border-radius: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-l1 {
    background: rgba(46, 158, 91, 0.1);
    color: var(--color-success);
}

.badge-l2 {
    background: rgba(186, 117, 23, 0.1);
    color: var(--color-gold);
}

.result-summary {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 12px;
}

.result-meta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.result-source {
    font-size: 13px;
    color: var(--color-text-muted);
}

.result-link {
    font-size: 14px;
    color: var(--color-primary-light);
    font-weight: 600;
    margin-left: auto;
}

.result-link.locked {
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.search-empty {
    text-align: center;
    padding: 40px;
    color: var(--color-text-muted);
    font-size: 15px;
}

.search-loading {
    text-align: center;
    padding: 40px;
    color: var(--color-primary-light);
}

.search-loading .dots {
    display: inline-block;
}

.search-loading .dots::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0% { content: ''; }
    25% { content: '.'; }
    50% { content: '..'; }
    75% { content: '...'; }
    100% { content: ''; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== 资料库分类 ==================== */
.category-section {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.category-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-gold-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.category-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.cat-icon {
    margin-bottom: 20px;
}

.cat-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.cat-desc {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.cat-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.doc-count {
    font-size: 13px;
    color: var(--color-text-muted);
}

.cat-arrow {
    font-size: 20px;
    color: var(--color-gold-light);
    transition: var(--transition);
}

.category-card:hover .cat-arrow {
    transform: translateX(4px);
}

/* ==================== 会员区域 ==================== */
.member-section {
    padding: 80px 0;
    background: var(--color-bg);
}

.member-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.member-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    position: relative;
}

.member-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.member-vip {
    border-color: var(--color-gold-light);
    border-width: 2px;
}

.member-enterprise {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
}

.member-enterprise .member-tier {
    color: var(--color-white);
}

.member-enterprise .member-benefits li {
    color: rgba(255, 255, 255, 0.8);
}

.member-badge {
    display: inline-block;
    padding: 4px 16px;
    font-size: 12px;
    border-radius: 12px;
    background: rgba(12, 68, 124, 0.1);
    color: var(--color-primary);
    margin-bottom: 16px;
    font-weight: 600;
}

.badge-gold {
    background: rgba(239, 159, 39, 0.15);
    color: var(--color-gold);
}

.badge-dark {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-gold-light);
}

.member-tier {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.member-benefits {
    text-align: left;
    margin-bottom: 28px;
}

.member-benefits li {
    font-size: 14px;
    color: var(--color-text-light);
    padding: 6px 0;
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
}

.member-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-gold-light);
    font-weight: 700;
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-blue {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.btn-blue:hover {
    box-shadow: 0 4px 15px rgba(12, 68, 124, 0.3);
    transform: translateY(-1px);
}

.btn-gold {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    color: var(--color-white);
}

.btn-gold:hover {
    box-shadow: 0 4px 15px rgba(186, 117, 23, 0.3);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-link {
    background: transparent;
    color: var(--color-gold-light);
    text-decoration: underline;
    padding: 8px 16px;
}

.btn-full {
    width: 100%;
}

.btn-code {
    padding: 10px 16px;
    font-size: 13px;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}

.btn-code:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-code:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ==================== 商务咨询 ==================== */
.consult-section {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.consult-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.consult-info .section-title {
    text-align: left;
}

.consult-info .section-title::after {
    left: 0;
    transform: none;
}

.consult-desc {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 28px;
    line-height: 1.8;
}

.consult-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.consult-points li {
    font-size: 14px;
    color: var(--color-primary);
    padding-left: 20px;
    position: relative;
}

.consult-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-gold-light);
}

.consult-contact {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.consult-contact p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
}

.consult-contact strong {
    color: var(--color-primary);
    font-weight: 600;
}

.consult-form-wrapper {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-md);
}

.form-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.required {
    color: var(--color-danger);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(24, 95, 165, 0.1);
}

.code-group {
    display: flex;
    gap: 10px;
}

.code-group input {
    flex: 1;
}

.form-feedback {
    margin-top: 12px;
    font-size: 14px;
    text-align: center;
}

.form-feedback.success {
    color: var(--color-success);
}

.form-feedback.error {
    color: var(--color-danger);
}

/* ==================== 免责声明 ==================== */
.disclaimer-section {
    padding: 40px 0;
    background: var(--color-primary-dark);
}

.disclaimer-box {
    max-width: 1000px;
    margin: 0 auto;
    padding: 24px 32px;
    border: 1px solid rgba(239, 159, 39, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
}

.disclaimer-title {
    font-size: 15px;
    color: var(--color-gold-light);
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: 1px;
}

.disclaimer-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 2;
    text-align: justify;
}

/* ==================== 页脚 ==================== */
.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 12px;
}

.footer-desc {
    font-size: 13px;
    line-height: 1.8;
}

.footer-heading {
    font-size: 15px;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-links li {
    font-size: 13px;
    padding: 4px 0;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links li a:hover {
    color: var(--color-gold-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}

.footer-icp {
    font-size: 12px !important;
}

/* ==================== 弹窗 ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 44, 83, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-box {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 440px;
    width: 100%;
    position: relative;
    animation: slideUp 0.4s ease;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 28px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: var(--transition);
    line-height: 1;
}

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

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.modal-desc {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 28px;
}

.modal-form .form-group {
    margin-bottom: 18px;
}

.modal-tip {
    text-align: center;
    font-size: 14px;
    color: var(--color-text-light);
    margin-top: 20px;
}

.modal-tip a {
    color: var(--color-primary-light);
    font-weight: 600;
}

.modal-tip a:hover {
    text-decoration: underline;
}

.enterprise-info {
    margin-bottom: 24px;
}

.enterprise-info p {
    font-size: 14px;
    color: var(--color-text);
    margin-bottom: 10px;
}

.enterprise-info ul {
    margin-bottom: 16px;
    padding-left: 20px;
}

.enterprise-info li {
    font-size: 14px;
    color: var(--color-text-light);
    padding: 4px 0;
    list-style: disc;
}

.enterprise-note {
    font-size: 13px;
    color: var(--color-text-muted);
    padding: 12px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
}

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

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

/* ==================== 回到顶部 ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ==================== 响应式 ==================== */
@media (max-width: 968px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .consult-inner {
        grid-template-columns: 1fr;
    }

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

    .footer-about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(4, 44, 83, 0.98);
        padding: 20px;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

    .main-nav.open {
        transform: translateY(0);
    }

    .main-nav ul {
        flex-direction: column;
        gap: 4px;
    }

    .main-nav li a {
        display: block;
        padding: 14px 16px;
        font-size: 16px;
    }

    .mobile-toggle {
        display: flex;
    }

    .company-name {
        font-size: 14px;
    }

    .company-tag {
        font-size: 10px;
    }

    .banner {
        padding: 110px 0 80px;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-subtitle {
        font-size: 15px;
    }

    .banner-notice {
        padding: 16px 20px;
    }

    .banner-notice p {
        font-size: 12px;
    }

    .section-title {
        font-size: 26px;
    }

    .search-box {
        flex-direction: column;
        border-radius: var(--radius-md);
        padding: 12px;
    }

    .search-box input {
        padding: 14px 16px;
    }

    .search-btn {
        width: 100%;
        justify-content: center;
        border-radius: var(--radius-sm);
    }

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

    .consult-points {
        grid-template-columns: 1fr;
    }

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

    .modal-box {
        padding: 28px 20px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .banner-title {
        font-size: 26px;
    }

    .banner-tags {
        gap: 8px;
    }

    .tag {
        font-size: 12px;
        padding: 5px 14px;
    }

    .section-title {
        font-size: 22px;
    }

    .search-hints {
        flex-direction: column;
        gap: 6px;
    }

    .search-hints > span {
        font-size: 12px;
    }

    .hint-chip {
        font-size: 12px;
        padding: 4px 12px;
    }
}